# Events: 1K cycles
#
# Overhead  Samples            Command      Shared Object                           Symbol
# ........ ..........  ...............  .................  ...............................
#
    10.69%        143         postgres  [mmfslinux]        [k] 0x20001         
                   |
                   --- 0xffffffffa04c0066
                      |          
                      |--58.66%-- 0xffffffffa0554e96
                      |          0xffffffffa056facb
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --41.34%-- 0xffffffffa0553f90
                                 0xffffffffa05715f4
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa04aad3d
                       0xffffffffa052df93
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa04aa75c
                      |          
                      |--83.35%-- 0xffffffffa04c01d0
                      |          |          
                      |          |--80.03%-- 0xffffffffa0553f90
                      |          |          0xffffffffa05715f4
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --19.97%-- 0xffffffffa0554e96
                      |                     0xffffffffa056facb
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                       --16.65%-- 0xffffffffa04aaf15
                                 0xffffffffa052df93
                                 0xffffffffa059f09d
                                 0xffffffffa05a18a9
                                 0xffffffffa05a1a2d
                                 0xffffffffa04b565a
                                 read_pages
                                 __do_page_cache_readahead
                                 force_page_cache_readahead
                                 sys_fadvise64_64
                                 system_call_fastpath
                                 0x7fb873db9e5d
                                 posix_fadvise

                   |
                   --- 0xffffffffa04c005e
                      |          
                      |--74.99%-- 0xffffffffa0553f90
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --25.01%-- 0xffffffffa0554e96
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa04aa6dc
                       0xffffffffa04c01d0
                       0xffffffffa0553f90
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a3277
                      |          
                      |--50.12%-- 0xffffffffa0554103
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --49.88%-- 0xffffffffa0554ecf
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa04a057f
                       0xffffffffa051f536
                      |          
                      |--50.11%-- 0xffffffffa053ac4a
                      |          0xffffffffa051f34a
                      |          0xffffffffa0560b17
                      |          0xffffffffa04aeb14
                      |          0xffffffffa04c602f
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --49.89%-- 0xffffffffa0541346
                                 0xffffffffa0570c42
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa04a89b0
                       0xffffffffa051f54e
                       0xffffffffa053ac4a
                       0xffffffffa051f34a
                       0xffffffffa0560b17
                       0xffffffffa04aeb14
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04bff72
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04c0001
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a2d32
                       0xffffffffa05470e2
                       0xffffffffa05540de
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a89b6
                       0xffffffffa051f54e
                       0xffffffffa053ac4a
                       0xffffffffa051f34a
                       0xffffffffa0560b17
                       0xffffffffa04aeb14
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04aa676
                       0xffffffffa04c01d0
                       0xffffffffa0553f90
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04c6103
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a0b53
                       0xffffffffa0551757
                       0xffffffffa0554cba
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04bfea1
                       0xffffffffa04c021c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04c5faa
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a0579
                       0xffffffffa051f536
                       0xffffffffa054182c
                       0xffffffffa051f20f
                       0xffffffffa05a170c
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa04b58e1
                       0xffffffffa052d479
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa04aea04
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04a2c21
                       0xffffffffa05470e2
                       0xffffffffa055508c
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04afb41
                       sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64

                   |
                   --- 0xffffffffa04c5f93
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa04bff87
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

    10.32%        138         postgres  [mmfs26]           [k] 0x31986         
                   |
                   --- 0xffffffffa05cab72
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05e1d4d
                      |          
                      |--59.97%-- __GI___read
                      |          
                       --40.03%-- posix_fadvise

                   |
                   --- 0xffffffffa053424f
                      |          
                      |--83.35%-- 0xffffffffa0551537
                      |          |          
                      |          |--59.95%-- 0xffffffffa0554cba
                      |          |          0xffffffffa056facb
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --40.05%-- 0xffffffffa0553de1
                      |                     0xffffffffa05715f4
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                       --16.65%-- 0xffffffffa05a67dc
                                 0xffffffffa052eb10
                                 0xffffffffa059f09d
                                 0xffffffffa05a18a9
                                 0xffffffffa05a1a2d
                                 0xffffffffa04b565a
                                 read_pages
                                 __do_page_cache_readahead
                                 force_page_cache_readahead
                                 sys_fadvise64_64
                                 system_call_fastpath
                                 0x7fb873db9e5d
                                 posix_fadvise

                   |
                   --- 0xffffffffa05cab85
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa052bd2a
                       0xffffffffa052d695
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05516f9
                      |          
                      |--66.68%-- 0xffffffffa0553de1
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --33.32%-- 0xffffffffa0554cba
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa0514a41
                       0xffffffffa05701ef
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05e1d6a
                       posix_fadvise

                   |
                   --- 0xffffffffa053669c
                       0xffffffffa052a8e7
                      |          
                      |--50.08%-- 0xffffffffa056faff
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --49.92%-- 0xffffffffa059e9e4
                                 0xffffffffa05a18a9
                                 0xffffffffa05a1a2d
                                 0xffffffffa04b565a
                                 read_pages
                                 __do_page_cache_readahead
                                 force_page_cache_readahead
                                 sys_fadvise64_64
                                 system_call_fastpath
                                 0x7fb873db9e5d
                                 posix_fadvise

                   |
                   --- 0xffffffffa05ba684
                       0xffffffffa05341d7
                      |          
                      |--50.06%-- 0xffffffffa052b1ff
                      |          0xffffffffa05a186d
                      |          0xffffffffa05a1a2d
                      |          0xffffffffa04b565a
                      |          read_pages
                      |          __do_page_cache_readahead
                      |          force_page_cache_readahead
                      |          sys_fadvise64_64
                      |          system_call_fastpath
                      |          0x7fb873db9e5d
                      |          posix_fadvise
                      |          
                       --49.94%-- 0xffffffffa052b96c
                                 0xffffffffa052d695
                                 0xffffffffa059f09d
                                 0xffffffffa05a18a9
                                 0xffffffffa05a1a2d
                                 0xffffffffa04b565a
                                 read_pages
                                 __do_page_cache_readahead
                                 force_page_cache_readahead
                                 sys_fadvise64_64
                                 system_call_fastpath
                                 0x7fb873db9e5d
                                 posix_fadvise

                   |
                   --- 0xffffffffa0551e00
                       0xffffffffa04c006c
                      |          
                      |--50.01%-- 0xffffffffa0553f90
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --49.99%-- 0xffffffffa0554e96
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

                   |
                   --- 0xffffffffa0541986
                       0xffffffffa05718be
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa053678f
                       0xffffffffa0554ee7
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052a838
                       0xffffffffa052ddba
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa051f3b9
                       0xffffffffa05a17f1
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa056f595
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0546e90
                       0xffffffffa055508c
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05e01b8
                       0xffffffffa05e131d
                       0xffffffffa05e1553
                       0xffffffffa05cb686
                       0xffffffffa052dad1
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0541834
                       0xffffffffa051f20f
                       0xffffffffa05a170c
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05d6b36
                       0xffffffffa05540c2
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052ea98
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0534220
                       0xffffffffa051b41c
                       0xffffffffa0543301
                       0xffffffffa054c68e
                       0xffffffffa056bd61
                       0xffffffffa04ac333
                       0xffffffffa04afb35
                       sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64

                   |
                   --- 0xffffffffa05cc921
                       0xffffffffa052eb68
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0541310
                       0xffffffffa051f3b9
                       0xffffffffa05a17f1
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05516e9
                       0xffffffffa0554cba
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052c9c6
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05cbb05
                       0xffffffffa052d8df
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0551df9
                       0xffffffffa04c006c
                       0xffffffffa0553f90
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa056f497
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05c9fa5
                       0xffffffffa052e9da
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0541979
                       0xffffffffa05718be
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052d22b
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05cab79
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa052cce0
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa051f4ce
                       0xffffffffa0541942
                       0xffffffffa05718be
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0534192
                       0xffffffffa05d2f17
                       0xffffffffa05d30c2
                       0xffffffffa05d3c79
                       0xffffffffa056bddb
                       0xffffffffa04ac333
                       0xffffffffa04afb35
                       sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64

                   |
                   --- 0xffffffffa0554bc3
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0547147
                       0xffffffffa052e8b1
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa055173c
                       0xffffffffa0554cba
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052dfbd
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05a68b6
                       0xffffffffa052eb10
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05e12e4
                       0xffffffffa05e15e0
                       0xffffffffa05c2f84
                       0xffffffffa05cab91
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05e0937
                       0xffffffffa0551724
                       0xffffffffa0554cba
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05a67d7
                       0xffffffffa052eb10
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa052c930
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa051f2c1
                       0xffffffffa0560b17
                       0xffffffffa04aeb14
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa059ea69
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0537287
                       0xffffffffa052aa2b
                       0xffffffffa052b575
                       0xffffffffa059ef64
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05e095f
                       0xffffffffa052bd0b
                       0xffffffffa052d695
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa056f39f
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0551963
                       0xffffffffa0554cba
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05417f7
                       0xffffffffa051f20f
                       0xffffffffa05a170c
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05d6b3d
                       0xffffffffa0555063
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05351b4
                       0xffffffffa055170e
                       0xffffffffa0553de1
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0571542
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0551e04
                       0xffffffffa04c006c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05f5a41
                       0xffffffffa059ed4d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa053ac68
                       0xffffffffa051f34a
                       0xffffffffa0560b17
                       0xffffffffa04aeb14
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05a19c0
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa059d740
                       0xffffffffa05a17a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa052b8b7
                       0xffffffffa052d695
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0541382
                       0xffffffffa0570c42
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa053b47c
                       0xffffffffa05419a3
                       0xffffffffa051f20f
                       0xffffffffa05a170c
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa059e8c4
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0560b22
                       0xffffffffa04aeb14
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa056f2bf
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa05cab7e
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05cab87
                       0xffffffffa052e9a9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa0551df0
                       0xffffffffa04bffd4
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0541401
                       0xffffffffa0541939
                       0xffffffffa05718be
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa056f28a
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa056f4bf
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa053b4b2
                       0xffffffffa051ef0c
                       0xffffffffa059ecc9
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa056f193
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa054ba60
                       0xffffffffa04aea2b
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa052b1b4
                       0xffffffffa05a186d
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa052b003
                       0xffffffffa05a186d
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05cc50c
                       0xffffffffa052eb68
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

                   |
                   --- 0xffffffffa05515d1
                       0xffffffffa0553de1
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa054199e
                       0xffffffffa056bdb4
                       0xffffffffa04ac333
                       0xffffffffa04afb35
                       sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64

                   |
                   --- 0xffffffffa056f0e3
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

                   |
                   --- 0xffffffffa0534194
                       0xffffffffa0551537
                       0xffffffffa0553de1
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     6.95%         93         postgres  postgres           [.] CHashBucketScan
                   |
                   --- CHashBucketScan
                      |          
                      |--84.96%-- CHashSearch
                      |          BufTableLookup
                      |          |          
                      |          |--73.37%-- ReadBuffer_common
                      |          |          ReadBufferExtended
                      |          |          |          
                      |          |          |--51.69%-- _bt_relandgetbuf
                      |          |          |          _bt_search
                      |          |          |          _bt_first
                      |          |          |          |          
                      |          |          |          |--90.01%-- btgettuple
                      |          |          |          |          FunctionCall2Coll
                      |          |          |          |          index_getnext_tid
                      |          |          |          |          index_getnext
                      |          |          |          |          IndexNext
                      |          |          |          |          ExecScan
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecNestLoop
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecHashJoin
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecNestLoop
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecHashJoin
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecAgg
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecSort
                      |          |          |          |          ExecProcNode
                      |          |          |          |          standard_ExecutorRun
                      |          |          |          |          ExplainOnePlan
                      |          |          |          |          ExplainOneQuery
                      |          |          |          |          ExplainQuery
                      |          |          |          |          standard_ProcessUtility
                      |          |          |          |          PortalRunUtility
                      |          |          |          |          FillPortalStore
                      |          |          |          |          PortalRun
                      |          |          |          |          exec_simple_query
                      |          |          |          |          PostgresMain
                      |          |          |          |          ServerLoop
                      |          |          |          |          PostmasterMain
                      |          |          |          |          main
                      |          |          |          |          __libc_start_main
                      |          |          |          |          
                      |          |          |           --9.99%-- btgetbitmap
                      |          |          |                     FunctionCall2Coll
                      |          |          |                     index_getbitmap
                      |          |          |                     MultiExecBitmapIndexScan
                      |          |          |                     BitmapHeapNext
                      |          |          |                     ExecScan
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecNestLoop
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecNestLoop
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecHashJoin
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecNestLoop
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecHashJoin
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecAgg
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecSort
                      |          |          |                     ExecProcNode
                      |          |          |                     standard_ExecutorRun
                      |          |          |                     ExplainOnePlan
                      |          |          |                     ExplainOneQuery
                      |          |          |                     ExplainQuery
                      |          |          |                     standard_ProcessUtility
                      |          |          |                     PortalRunUtility
                      |          |          |                     FillPortalStore
                      |          |          |                     PortalRun
                      |          |          |                     exec_simple_query
                      |          |          |                     PostgresMain
                      |          |          |                     ServerLoop
                      |          |          |                     PostmasterMain
                      |          |          |                     main
                      |          |          |                     __libc_start_main
                      |          |          |          
                      |          |          |--34.50%-- index_fetch_heap
                      |          |          |          index_getnext
                      |          |          |          IndexNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |          |--8.63%-- BitmapHeapNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          |          
                      |          |          |          |--79.94%-- ExecNestLoop
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecHashJoin
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecNestLoop
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecHashJoin
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecAgg
                      |          |          |          |          ExecProcNode
                      |          |          |          |          ExecSort
                      |          |          |          |          ExecProcNode
                      |          |          |          |          standard_ExecutorRun
                      |          |          |          |          ExplainOnePlan
                      |          |          |          |          ExplainOneQuery
                      |          |          |          |          ExplainQuery
                      |          |          |          |          standard_ProcessUtility
                      |          |          |          |          PortalRunUtility
                      |          |          |          |          FillPortalStore
                      |          |          |          |          PortalRun
                      |          |          |          |          exec_simple_query
                      |          |          |          |          PostgresMain
                      |          |          |          |          ServerLoop
                      |          |          |          |          PostmasterMain
                      |          |          |          |          main
                      |          |          |          |          __libc_start_main
                      |          |          |          |          
                      |          |          |           --20.06%-- MultiExecHash
                      |          |          |                     ExecHashJoin
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecNestLoop
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecHashJoin
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecAgg
                      |          |          |                     ExecProcNode
                      |          |          |                     ExecSort
                      |          |          |                     ExecProcNode
                      |          |          |                     standard_ExecutorRun
                      |          |          |                     ExplainOnePlan
                      |          |          |                     ExplainOneQuery
                      |          |          |                     ExplainQuery
                      |          |          |                     standard_ProcessUtility
                      |          |          |                     PortalRunUtility
                      |          |          |                     FillPortalStore
                      |          |          |                     PortalRun
                      |          |          |                     exec_simple_query
                      |          |          |                     PostgresMain
                      |          |          |                     ServerLoop
                      |          |          |                     PostmasterMain
                      |          |          |                     main
                      |          |          |                     __libc_start_main
                      |          |          |          
                      |          |           --5.18%-- _bt_getbuf
                      |          |                     _bt_getroot
                      |          |                     _bt_search
                      |          |                     _bt_first
                      |          |                     btgettuple
                      |          |                     FunctionCall2Coll
                      |          |                     index_getnext_tid
                      |          |                     index_getnext
                      |          |                     IndexNext
                      |          |                     ExecScan
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |           --26.63%-- PrefetchBuffer
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     |          
                      |                     |--61.76%-- ExecNestLoop
                      |                     |          ExecProcNode
                      |                     |          ExecHashJoin
                      |                     |          ExecProcNode
                      |                     |          ExecNestLoop
                      |                     |          ExecProcNode
                      |                     |          ExecHashJoin
                      |                     |          ExecProcNode
                      |                     |          ExecAgg
                      |                     |          ExecProcNode
                      |                     |          ExecSort
                      |                     |          ExecProcNode
                      |                     |          standard_ExecutorRun
                      |                     |          ExplainOnePlan
                      |                     |          ExplainOneQuery
                      |                     |          ExplainQuery
                      |                     |          standard_ProcessUtility
                      |                     |          PortalRunUtility
                      |                     |          FillPortalStore
                      |                     |          PortalRun
                      |                     |          exec_simple_query
                      |                     |          PostgresMain
                      |                     |          ServerLoop
                      |                     |          PostmasterMain
                      |                     |          main
                      |                     |          __libc_start_main
                      |                     |          
                      |                      --38.24%-- MultiExecHash
                      |                                ExecHashJoin
                      |                                ExecProcNode
                      |                                ExecNestLoop
                      |                                ExecProcNode
                      |                                ExecHashJoin
                      |                                ExecProcNode
                      |                                ExecAgg
                      |                                ExecProcNode
                      |                                ExecSort
                      |                                ExecProcNode
                      |                                standard_ExecutorRun
                      |                                ExplainOnePlan
                      |                                ExplainOneQuery
                      |                                ExplainQuery
                      |                                standard_ProcessUtility
                      |                                PortalRunUtility
                      |                                FillPortalStore
                      |                                PortalRun
                      |                                exec_simple_query
                      |                                PostgresMain
                      |                                ServerLoop
                      |                                PostmasterMain
                      |                                main
                      |                                __libc_start_main
                      |          
                       --15.04%-- CHashDelete
                                 BufTableDelete
                                 ReadBuffer_common
                                 ReadBufferExtended
                                 |          
                                 |--35.77%-- index_fetch_heap
                                 |          index_getnext
                                 |          IndexNext
                                 |          ExecScan
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          |          
                                 |          |--80.08%-- ExecNestLoop
                                 |          |          ExecProcNode
                                 |          |          ExecHashJoin
                                 |          |          ExecProcNode
                                 |          |          ExecAgg
                                 |          |          ExecProcNode
                                 |          |          ExecSort
                                 |          |          ExecProcNode
                                 |          |          standard_ExecutorRun
                                 |          |          ExplainOnePlan
                                 |          |          ExplainOneQuery
                                 |          |          ExplainQuery
                                 |          |          standard_ProcessUtility
                                 |          |          PortalRunUtility
                                 |          |          FillPortalStore
                                 |          |          PortalRun
                                 |          |          exec_simple_query
                                 |          |          PostgresMain
                                 |          |          ServerLoop
                                 |          |          PostmasterMain
                                 |          |          main
                                 |          |          __libc_start_main
                                 |          |          
                                 |           --19.92%-- ExecAgg
                                 |                     ExecProcNode
                                 |                     ExecSort
                                 |                     ExecProcNode
                                 |                     standard_ExecutorRun
                                 |                     ExplainOnePlan
                                 |                     ExplainOneQuery
                                 |                     ExplainQuery
                                 |                     standard_ProcessUtility
                                 |                     PortalRunUtility
                                 |                     FillPortalStore
                                 |                     PortalRun
                                 |                     exec_simple_query
                                 |                     PostgresMain
                                 |                     ServerLoop
                                 |                     PostmasterMain
                                 |                     main
                                 |                     __libc_start_main
                                 |          
                                 |--35.69%-- BitmapHeapNext
                                 |          ExecScan
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecAgg
                                 |          ExecProcNode
                                 |          ExecSort
                                 |          ExecProcNode
                                 |          standard_ExecutorRun
                                 |          ExplainOnePlan
                                 |          ExplainOneQuery
                                 |          ExplainQuery
                                 |          standard_ProcessUtility
                                 |          PortalRunUtility
                                 |          FillPortalStore
                                 |          PortalRun
                                 |          exec_simple_query
                                 |          PostgresMain
                                 |          ServerLoop
                                 |          PostmasterMain
                                 |          main
                                 |          __libc_start_main
                                 |          
                                  --28.54%-- _bt_relandgetbuf
                                            _bt_search
                                            _bt_first
                                            btgettuple
                                            FunctionCall2Coll
                                            index_getnext_tid
                                            index_getnext
                                            IndexNext
                                            ExecScan
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecAgg
                                            ExecProcNode
                                            ExecSort
                                            ExecProcNode
                                            standard_ExecutorRun
                                            ExplainOnePlan
                                            ExplainOneQuery
                                            ExplainQuery
                                            standard_ProcessUtility
                                            PortalRunUtility
                                            FillPortalStore
                                            PortalRun
                                            exec_simple_query
                                            PostgresMain
                                            ServerLoop
                                            PostmasterMain
                                            main
                                            __libc_start_main

     4.56%          1         postgres  [kernel.kallsyms]  [k] copy_user_generic_string
                   |
                   --- copy_user_generic_string
                      |          
                      |--99.91%-- 0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          |          
                      |          |--62.29%-- 0xffffffffa0554e96
                      |          |          0xffffffffa056facb
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --37.71%-- 0xffffffffa0553f90
                      |                     0xffffffffa05715f4
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                       --0.09%-- [...]

     4.34%         58         postgres  postgres           [.] _bt_compare
                   |
                   --- _bt_compare
                       _bt_binsrch
                      |          
                      |--63.81%-- _bt_first
                      |          |          
                      |          |--97.30%-- btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          |          
                      |          |          |--94.44%-- ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |           --5.56%-- ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |           --2.70%-- btgetbitmap
                      |                     FunctionCall2Coll
                      |                     index_getbitmap
                      |                     MultiExecBitmapIndexScan
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --36.19%-- _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     3.69%         49         postgres  postgres           [.] HeapTupleSatisfiesMVCC
                   |
                   --- HeapTupleSatisfiesMVCC
                      |          
                      |--93.91%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--4.05%-- heap_hot_search_buffer
                      |          |          
                      |          |--50.10%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.90%-- index_fetch_heap
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --2.03%-- ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     2.41%         32         postgres  postgres           [.] slot_deform_tuple
                   |
                   --- slot_deform_tuple
                      |          
                      |--87.57%-- slot_getattr
                      |          ExecMakeFunctionResultNoSets
                      |          ExecQual
                      |          |          
                      |          |--85.82%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --14.18%-- ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --12.43%-- slot_getsomeattrs
                                 ExecProject
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     2.02%         27         postgres  postgres           [.] PinBuffer
                   |
                   --- PinBuffer
                       ReadBuffer_common
                       ReadBufferExtended
                      |          
                      |--40.71%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--29.65%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--50.13%-- MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.87%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--25.93%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --3.71%-- _bt_getbuf
                                 _bt_getroot
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.88%         25         postgres  [kernel.kallsyms]  [k] page_fault
                   |
                   --- page_fault
                      |          
                      |--39.66%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          |          
                      |          |--66.60%-- ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |          |--16.72%-- _bt_binsrch
                      |          |          
                      |           --16.68%-- 0x7fb66cbf68c0
                      |                     0x4134
                      |          
                      |--31.73%-- copy_user_generic_string
                      |          0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          |          
                      |          |--75.01%-- 0xffffffffa0553f90
                      |          |          0xffffffffa05715f4
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --24.99%-- 0xffffffffa0554e96
                      |                     0xffffffffa056facb
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                      |--11.90%-- 0x49d348
                      |          heap_hot_search_buffer
                      |          |          
                      |          |--66.71%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.29%-- ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--8.76%-- 0x7a5772
                      |          HeapTupleSatisfiesMVCC
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--3.98%-- 0x6777d7
                      |          StrategyGetBuffer
                      |          BitmapHeapNext
                      |          ExecProject
                      |          0xd2a7c8
                      |          0xd141e0
                      |          
                       --3.97%-- 0x68eed0
                                 LWLockAttemptLock
                                 ReadBuffer_common
                                 ReadBufferExtended
                                 _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.72%         23         postgres  postgres           [.] LWLockAttemptLock
                   |
                   --- LWLockAttemptLock
                       LWLockAcquire
                      |          
                      |--65.26%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--17.37%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--4.36%-- StartBufferIO
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--4.35%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--4.34%-- _bt_next
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --4.32%-- _bt_getbuf
                                 _bt_getroot
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.50%         20         postgres  postgres           [.] heap_page_prune_opt
                   |
                   --- heap_page_prune_opt
                      |          
                      |--65.04%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--53.75%-- ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --46.25%-- MultiExecHash
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --34.96%-- index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.50%         20         postgres  postgres           [.] heap_hot_search_buffer
                   |
                   --- heap_hot_search_buffer
                      |          
                      |--59.98%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          |          
                      |          |--83.32%-- ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --16.68%-- ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --40.02%-- BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.42%         19         postgres  postgres           [.] CHashInsert
                   |
                   --- CHashInsert
                       BufTableInsert
                       ReadBuffer_common
                       ReadBufferExtended
                      |          
                      |--57.88%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--31.58%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --10.54%-- index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.28%         17         postgres  postgres           [.] BitmapHeapNext
                   |
                   --- BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                      |          
                      |--82.39%-- MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --17.61%-- ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     1.14%         12         postgres  [kernel.kallsyms]  [k] mem_cgroup_update_page_stat
                   |
                   --- mem_cgroup_update_page_stat
                      |          
                      |--78.65%-- __do_fault
                      |          handle_pte_fault
                      |          do_page_fault
                      |          page_fault
                      |          |          
                      |          |--33.35%-- 0x49d348
                      |          |          heap_hot_search_buffer
                      |          |          |          
                      |          |          |--74.98%-- index_fetch_heap
                      |          |          |          index_getnext
                      |          |          |          IndexNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |           --25.02%-- BitmapHeapNext
                      |          |                     ExecScan
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |          |--33.33%-- 0x49f6c7
                      |          |          heap_page_prune_opt
                      |          |          |          
                      |          |          |--50.03%-- index_fetch_heap
                      |          |          |          index_getnext
                      |          |          |          IndexNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |           --49.97%-- BitmapHeapNext
                      |          |                     ExecScan
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |           --33.32%-- copy_user_generic_string
                      |                     0xffffffffa04bfedc
                      |                     0xffffffffa04c021c
                      |                     |          
                      |                     |--50.14%-- 0xffffffffa0553f90
                      |                     |          0xffffffffa05715f4
                      |                     |          0xffffffffa04c61ab
                      |                     |          vfs_read
                      |                     |          sys_read
                      |                     |          system_call_fastpath
                      |                     |          0x7fb873db55d0
                      |                     |          __GI___read
                      |                     |          
                      |                      --49.86%-- 0xffffffffa0554e96
                      |                                0xffffffffa056facb
                      |                                0xffffffffa04c61ab
                      |                                vfs_read
                      |                                sys_read
                      |                                system_call_fastpath
                      |                                0x7fb873db55d0
                      |                                __GI___read
                      |          
                       --21.35%-- zap_pte_range
                                 unmap_page_range
                                 unmap_vmas
                                 exit_mmap
                                 mmput
                                 exit_mm
                                 do_exit
                                 do_group_exit
                                 sys_exit_group
                                 system_call_fastpath
                                 0x7fb873d90a38

     1.05%         14         postgres  [kernel.kallsyms]  [k] find_get_page
                   |
                   --- find_get_page
                       find_lock_page
                       shmem_getpage_gfp
                       shmem_fault
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--50.05%-- copy_user_generic_string
                      |          0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          |          
                      |          |--85.73%-- 0xffffffffa0554e96
                      |          |          0xffffffffa056facb
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --14.27%-- 0xffffffffa0553f90
                      |                     0xffffffffa05715f4
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                      |--35.67%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          |          
                      |          |--79.98%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --20.02%-- index_fetch_heap
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--7.17%-- 0x7a5772
                      |          HeapTupleSatisfiesMVCC
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --7.12%-- 0x49d348
                                 heap_hot_search_buffer
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.97%         13         postgres  postgres           [.] ExecMakeFunctionResultNoSets
                   |
                   --- ExecMakeFunctionResultNoSets
                      |          
                      |--84.69%-- ExecQual
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--7.66%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --7.65%-- ExecMakeFunctionResultNoSets
                                 ExecProject
                                 advance_aggregates
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.97%         13         postgres  [kernel.kallsyms]  [k] radix_tree_lookup_slot
                   |
                   --- radix_tree_lookup_slot
                       find_get_page
                      |          
                      |--92.28%-- find_lock_page
                      |          shmem_getpage_gfp
                      |          shmem_fault
                      |          __do_fault
                      |          handle_pte_fault
                      |          do_page_fault
                      |          page_fault
                      |          |          
                      |          |--49.94%-- 0x49f6c7
                      |          |          heap_page_prune_opt
                      |          |          |          
                      |          |          |--50.04%-- BitmapHeapNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |           --49.96%-- index_fetch_heap
                      |          |                     index_getnext
                      |          |                     IndexNext
                      |          |                     ExecScan
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |          |--33.40%-- copy_user_generic_string
                      |          |          0xffffffffa04bfedc
                      |          |          0xffffffffa04c021c
                      |          |          |          
                      |          |          |--75.01%-- 0xffffffffa0554e96
                      |          |          |          0xffffffffa056facb
                      |          |          |          0xffffffffa04c61ab
                      |          |          |          vfs_read
                      |          |          |          sys_read
                      |          |          |          system_call_fastpath
                      |          |          |          0x7fb873db55d0
                      |          |          |          __GI___read
                      |          |          |          
                      |          |           --24.99%-- 0xffffffffa0553f90
                      |          |                     0xffffffffa05715f4
                      |          |                     0xffffffffa04c61ab
                      |          |                     vfs_read
                      |          |                     sys_read
                      |          |                     system_call_fastpath
                      |          |                     0x7fb873db55d0
                      |          |                     __GI___read
                      |          |          
                      |          |--8.35%-- 0x49d348
                      |          |          heap_hot_search_buffer
                      |          |          BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --8.31%-- 0x6777d7
                      |                     StrategyGetBuffer
                      |                     ReadBuffer_common
                      |                     ReadBufferExtended
                      |                     _bt_relandgetbuf
                      |                     _bt_search
                      |                     _bt_first
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --7.72%-- filemap_fault
                                 __do_fault
                                 handle_pte_fault
                                 do_page_fault
                                 page_fault
                                 0x72d8d0
                                 get_rule_expr
                                 show_sort_group_keys
                                 ExplainNode
                                 ExplainPrintPlan
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.90%         12         postgres  postgres           [.] GetPrivateRefCountEntry
                   |
                   --- GetPrivateRefCountEntry
                      |          
                      |--33.44%-- ReleaseBuffer
                      |          |          
                      |          |--75.03%-- ExecClearTuple
                      |          |          BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --24.97%-- _bt_steppage
                      |                     _bt_next
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--24.96%-- PinBuffer
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          |          
                      |          |--66.73%-- btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.27%-- btgetbitmap
                      |                     FunctionCall2Coll
                      |                     index_getbitmap
                      |                     MultiExecBitmapIndexScan
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--16.67%-- UnpinBuffer
                      |          |          
                      |          |--50.03%-- ExecClearTuple
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.97%-- ReleaseAndReadBuffer
                      |                     _bt_relandgetbuf
                      |                     _bt_search
                      |                     _bt_first
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--16.64%-- IncrBufferRefCount
                      |          ExecStoreTuple
                      |          |          
                      |          |--50.28%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.72%-- IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --8.29%-- ReleaseAndReadBuffer
                                 _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.90%         12         postgres  [kernel.kallsyms]  [k] __memcpy
                   |
                   --- __memcpy
                       0xffffffffa04aaf69
                       0xffffffffa052df93
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.83%         48          swapper  [kernel.kallsyms]  [k] intel_idle
                    |
                    --- intel_idle
                        cpuidle_idle_call
                        cpu_idle
                       |          
                        --100.00%-- start_kernel
                                  x86_64_start_kernel

     0.83%         11         postgres  postgres           [.] slot_getattr
                   |
                   --- slot_getattr
                       ExecMakeFunctionResultNoSets
                       ExecQual
                      |          
                      |--82.03%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --17.97%-- ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.83%         11         postgres  postgres           [.] ExecClearTuple
                   |
                   --- ExecClearTuple
                      |          
                      |--63.65%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--27.28%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --9.07%-- ExecProject
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.82%         11         postgres  [kernel.kallsyms]  [k] __do_fault
                   |
                   --- __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--54.58%-- copy_user_generic_string
                      |          0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          |          
                      |          |--66.68%-- 0xffffffffa0554e96
                      |          |          0xffffffffa056facb
                      |          |          0xffffffffa04c61ab
                      |          |          vfs_read
                      |          |          sys_read
                      |          |          system_call_fastpath
                      |          |          0x7fb873db55d0
                      |          |          __GI___read
                      |          |          
                      |           --33.32%-- 0xffffffffa0553f90
                      |                     0xffffffffa05715f4
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                      |--27.24%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --18.18%-- 0x49d348
                                 heap_hot_search_buffer
                                 |          
                                 |--50.10%-- BitmapHeapNext
                                 |          ExecScan
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecAgg
                                 |          ExecProcNode
                                 |          ExecSort
                                 |          ExecProcNode
                                 |          standard_ExecutorRun
                                 |          ExplainOnePlan
                                 |          ExplainOneQuery
                                 |          ExplainQuery
                                 |          standard_ProcessUtility
                                 |          PortalRunUtility
                                 |          FillPortalStore
                                 |          PortalRun
                                 |          exec_simple_query
                                 |          PostgresMain
                                 |          ServerLoop
                                 |          PostmasterMain
                                 |          main
                                 |          __libc_start_main
                                 |          
                                  --49.90%-- index_fetch_heap
                                            index_getnext
                                            IndexNext
                                            ExecScan
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecAgg
                                            ExecProcNode
                                            ExecSort
                                            ExecProcNode
                                            standard_ExecutorRun
                                            ExplainOnePlan
                                            ExplainOneQuery
                                            ExplainQuery
                                            standard_ProcessUtility
                                            PortalRunUtility
                                            FillPortalStore
                                            PortalRun
                                            exec_simple_query
                                            PostgresMain
                                            ServerLoop
                                            PostmasterMain
                                            main
                                            __libc_start_main

     0.82%         11         postgres  postgres           [.] btint4cmp
                   |
                   --- btint4cmp
                      |          
                      |--54.55%-- FunctionCall2Coll
                      |          _bt_compare
                      |          _bt_binsrch
                      |          |          
                      |          |--83.34%-- _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --16.66%-- _bt_first
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --45.45%-- _bt_compare
                                 |          
                                 |--79.99%-- _bt_binsrch
                                 |          |          
                                 |          |--50.05%-- _bt_first
                                 |          |          btgettuple
                                 |          |          FunctionCall2Coll
                                 |          |          index_getnext_tid
                                 |          |          index_getnext
                                 |          |          IndexNext
                                 |          |          ExecScan
                                 |          |          ExecProcNode
                                 |          |          ExecNestLoop
                                 |          |          ExecProcNode
                                 |          |          ExecHashJoin
                                 |          |          ExecProcNode
                                 |          |          ExecNestLoop
                                 |          |          ExecProcNode
                                 |          |          ExecHashJoin
                                 |          |          ExecProcNode
                                 |          |          ExecAgg
                                 |          |          ExecProcNode
                                 |          |          ExecSort
                                 |          |          ExecProcNode
                                 |          |          standard_ExecutorRun
                                 |          |          ExplainOnePlan
                                 |          |          ExplainOneQuery
                                 |          |          ExplainQuery
                                 |          |          standard_ProcessUtility
                                 |          |          PortalRunUtility
                                 |          |          FillPortalStore
                                 |          |          PortalRun
                                 |          |          exec_simple_query
                                 |          |          PostgresMain
                                 |          |          ServerLoop
                                 |          |          PostmasterMain
                                 |          |          main
                                 |          |          __libc_start_main
                                 |          |          
                                 |           --49.95%-- _bt_search
                                 |                     _bt_first
                                 |                     btgettuple
                                 |                     FunctionCall2Coll
                                 |                     index_getnext_tid
                                 |                     index_getnext
                                 |                     IndexNext
                                 |                     ExecScan
                                 |                     ExecProcNode
                                 |                     ExecNestLoop
                                 |                     ExecProcNode
                                 |                     ExecHashJoin
                                 |                     ExecProcNode
                                 |                     ExecNestLoop
                                 |                     ExecProcNode
                                 |                     ExecHashJoin
                                 |                     ExecProcNode
                                 |                     ExecAgg
                                 |                     ExecProcNode
                                 |                     ExecSort
                                 |                     ExecProcNode
                                 |                     standard_ExecutorRun
                                 |                     ExplainOnePlan
                                 |                     ExplainOneQuery
                                 |                     ExplainQuery
                                 |                     standard_ProcessUtility
                                 |                     PortalRunUtility
                                 |                     FillPortalStore
                                 |                     PortalRun
                                 |                     exec_simple_query
                                 |                     PostgresMain
                                 |                     ServerLoop
                                 |                     PostmasterMain
                                 |                     main
                                 |                     __libc_start_main
                                 |          
                                  --20.01%-- _bt_moveright
                                            _bt_search
                                            _bt_first
                                            btgettuple
                                            FunctionCall2Coll
                                            index_getnext_tid
                                            index_getnext
                                            IndexNext
                                            ExecScan
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecAgg
                                            ExecProcNode
                                            ExecSort
                                            ExecProcNode
                                            standard_ExecutorRun
                                            ExplainOnePlan
                                            ExplainOneQuery
                                            ExplainQuery
                                            standard_ProcessUtility
                                            PortalRunUtility
                                            FillPortalStore
                                            PortalRun
                                            exec_simple_query
                                            PostgresMain
                                            ServerLoop
                                            PostmasterMain
                                            main
                                            __libc_start_main

     0.75%         10         postgres  postgres           [.] CHashSearch
                   |
                   --- CHashSearch
                      |          
                      |--90.02%-- BufTableLookup
                      |          |          
                      |          |--66.58%-- ReadBuffer_common
                      |          |          ReadBufferExtended
                      |          |          |          
                      |          |          |--50.06%-- _bt_getbuf
                      |          |          |          _bt_getroot
                      |          |          |          _bt_search
                      |          |          |          _bt_first
                      |          |          |          btgettuple
                      |          |          |          FunctionCall2Coll
                      |          |          |          index_getnext_tid
                      |          |          |          index_getnext
                      |          |          |          IndexNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |          |--33.29%-- _bt_relandgetbuf
                      |          |          |          _bt_search
                      |          |          |          _bt_first
                      |          |          |          btgettuple
                      |          |          |          FunctionCall2Coll
                      |          |          |          index_getnext_tid
                      |          |          |          index_getnext
                      |          |          |          IndexNext
                      |          |          |          ExecScan
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecNestLoop
                      |          |          |          ExecProcNode
                      |          |          |          ExecHashJoin
                      |          |          |          ExecProcNode
                      |          |          |          ExecAgg
                      |          |          |          ExecProcNode
                      |          |          |          ExecSort
                      |          |          |          ExecProcNode
                      |          |          |          standard_ExecutorRun
                      |          |          |          ExplainOnePlan
                      |          |          |          ExplainOneQuery
                      |          |          |          ExplainQuery
                      |          |          |          standard_ProcessUtility
                      |          |          |          PortalRunUtility
                      |          |          |          FillPortalStore
                      |          |          |          PortalRun
                      |          |          |          exec_simple_query
                      |          |          |          PostgresMain
                      |          |          |          ServerLoop
                      |          |          |          PostmasterMain
                      |          |          |          main
                      |          |          |          __libc_start_main
                      |          |          |          
                      |          |           --16.66%-- BitmapHeapNext
                      |          |                     ExecScan
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecNestLoop
                      |          |                     ExecProcNode
                      |          |                     ExecHashJoin
                      |          |                     ExecProcNode
                      |          |                     ExecAgg
                      |          |                     ExecProcNode
                      |          |                     ExecSort
                      |          |                     ExecProcNode
                      |          |                     standard_ExecutorRun
                      |          |                     ExplainOnePlan
                      |          |                     ExplainOneQuery
                      |          |                     ExplainQuery
                      |          |                     standard_ProcessUtility
                      |          |                     PortalRunUtility
                      |          |                     FillPortalStore
                      |          |                     PortalRun
                      |          |                     exec_simple_query
                      |          |                     PostgresMain
                      |          |                     ServerLoop
                      |          |                     PostmasterMain
                      |          |                     main
                      |          |                     __libc_start_main
                      |          |          
                      |           --33.42%-- PrefetchBuffer
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     |          
                      |                     |--66.62%-- ExecNestLoop
                      |                     |          ExecProcNode
                      |                     |          ExecHashJoin
                      |                     |          ExecProcNode
                      |                     |          ExecNestLoop
                      |                     |          ExecProcNode
                      |                     |          ExecHashJoin
                      |                     |          ExecProcNode
                      |                     |          ExecAgg
                      |                     |          ExecProcNode
                      |                     |          ExecSort
                      |                     |          ExecProcNode
                      |                     |          standard_ExecutorRun
                      |                     |          ExplainOnePlan
                      |                     |          ExplainOneQuery
                      |                     |          ExplainQuery
                      |                     |          standard_ProcessUtility
                      |                     |          PortalRunUtility
                      |                     |          FillPortalStore
                      |                     |          PortalRun
                      |                     |          exec_simple_query
                      |                     |          PostgresMain
                      |                     |          ServerLoop
                      |                     |          PostmasterMain
                      |                     |          main
                      |                     |          __libc_start_main
                      |                     |          
                      |                      --33.38%-- MultiExecHash
                      |                                ExecHashJoin
                      |                                ExecProcNode
                      |                                ExecNestLoop
                      |                                ExecProcNode
                      |                                ExecHashJoin
                      |                                ExecProcNode
                      |                                ExecAgg
                      |                                ExecProcNode
                      |                                ExecSort
                      |                                ExecProcNode
                      |                                standard_ExecutorRun
                      |                                ExplainOnePlan
                      |                                ExplainOneQuery
                      |                                ExplainQuery
                      |                                standard_ProcessUtility
                      |                                PortalRunUtility
                      |                                FillPortalStore
                      |                                PortalRun
                      |                                exec_simple_query
                      |                                PostgresMain
                      |                                ServerLoop
                      |                                PostmasterMain
                      |                                main
                      |                                __libc_start_main
                      |          
                       --9.98%-- PrefetchBuffer
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.75%         10         postgres  [kernel.kallsyms]  [k] _raw_spin_lock
                   |
                   --- _raw_spin_lock
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--59.88%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          |          
                      |          |--67.01%-- index_fetch_heap
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --32.99%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--30.06%-- 0x49d348
                      |          heap_hot_search_buffer
                      |          |          
                      |          |--66.62%-- index_fetch_heap
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.38%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --10.06%-- 0x7a5772
                                 HeapTupleSatisfiesMVCC
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.71%         11            mmfsd  [kernel.kallsyms]  [k] find_busiest_group
                      |
                      --- find_busiest_group
                          load_balance
                          idle_balance
                          thread_return
                         |          
                         |--99.68%-- 0xffffffffa04a8b7d
                         |          0xffffffffa05bf0f1
                         |          0xffffffffa05c0478
                         |          0xffffffffa0605afe
                         |          0xffffffffa04c3c65
                         |          do_vfs_ioctl
                         |          sys_ioctl
                         |          system_call_fastpath
                         |          0x7ffb7c11f3d7
                         |          0x7ffb7c11f3d7
                         |          0xffffc900341c3998
                          --0.32%-- [...]

     0.67%          9         postgres  postgres           [.] _bt_moveright
                   |
                   --- _bt_moveright
                      |          
                      |--88.89%-- _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --11.11%-- _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.67%          9         postgres  [vdso]             [.] 0x7fffe8fff60a  
                   |
                   --- 0x7fffe8fff8b1
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                      |          
                      |--50.00%-- ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --50.00%-- ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

                   |
                   --- 0x7fffe8fff60a
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff8f5
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff662
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff6ae
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff8d8
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff665
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

                   |
                   --- 0x7fffe8fff8f9
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.67%          9         postgres  postgres           [.] ExecScanHashBucket
                   |
                   --- ExecScanHashBucket
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.60%          8         postgres  postgres           [.] ExecQual
                   |
                   --- ExecQual
                      |          
                      |--50.15%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--24.94%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--12.46%-- ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --12.45%-- ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.60%          8         postgres  [ipt_REJECT]       [.] 0x5ef30188      
                   |
                   --- 0xffffffffff600188
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                      |          
                      |--66.62%-- ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--75.02%-- ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --24.98%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --33.38%-- MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

                   |
                   --- 0xffffffffff600186
                       0x7fffe8fff8dd
                       __gettimeofday_internal
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.60%          8         postgres  postgres           [.] hash_search_with_hash_value
                   |
                   --- hash_search_with_hash_value
                      |          
                      |--62.57%-- GetPrivateRefCountEntry
                      |          PinBuffer
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          |          
                      |          |--40.07%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |          |--39.96%-- _bt_relandgetbuf
                      |          |          _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --19.97%-- _bt_getbuf
                      |                     _bt_getroot
                      |                     _bt_search
                      |                     _bt_first
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --37.43%-- tbm_get_pageentry
                                 tbm_add_tuples
                                 btgetbitmap
                                 FunctionCall2Coll
                                 index_getbitmap
                                 MultiExecBitmapIndexScan
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.54%          1         postgres  [kernel.kallsyms]  [k] 0xffffffff81152f94
                   |
                   --- mem_cgroup_update_page_stat
                       zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.52%          7         postgres  postgres           [.] tbm_iterate
                   |
                   --- tbm_iterate
                      |          
                      |--85.74%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --14.26%-- ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.52%          7         postgres  postgres           [.] ExecNestLoop
                   |
                   --- ExecNestLoop
                       ExecProcNode
                      |          
                      |--57.21%-- ExecHashJoin
                      |          ExecProcNode
                      |          |          
                      |          |--50.10%-- ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.90%-- ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --42.79%-- ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.47%          1          swapper  [kernel.kallsyms]  [k] update_group_power
                    |
                    --- update_group_power
                        find_busiest_group
                        load_balance
                        rebalance_domains
                        run_rebalance_domains
                        __do_softirq
                        call_softirq
                        do_softirq
                        irq_exit
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.45%          6         postgres  postgres           [.] pgstat_end_function_usage
                   |
                   --- pgstat_end_function_usage
                       ExecMakeFunctionResultNoSets
                       ExecQual
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.45%          6         postgres  postgres           [.] ExecEvalParamExec
                   |
                   --- ExecEvalParamExec
                      |          
                      |--50.10%-- ExecMakeFunctionResultNoSets
                      |          ExecQual
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--33.33%-- ExecQual
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --16.57%-- ExecIndexEvalRuntimeKeys
                                 ExecReScanIndexScan
                                 ExecReScan
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.45%          6         postgres  postgres           [.] ExecEvalScalarVarFast
                   |
                   --- ExecEvalScalarVarFast
                      |          
                      |--50.04%-- ExecMakeFunctionResultNoSets
                      |          ExecQual
                      |          |          
                      |          |--66.61%-- ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.39%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     MultiExecHash
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--16.67%-- ExecQual
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--16.65%-- ExecHashGetHashValue
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --16.64%-- ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.45%          6         postgres  postgres           [.] ExecProject
                   |
                   --- ExecProject
                      |          
                      |--50.06%-- ExecProcNode
                      |          |          
                      |          |--66.72%-- ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.28%-- ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --49.94%-- ExecNestLoop
                                 ExecProcNode
                                 |          
                                 |--66.66%-- ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecNestLoop
                                 |          ExecProcNode
                                 |          ExecHashJoin
                                 |          ExecProcNode
                                 |          ExecAgg
                                 |          ExecProcNode
                                 |          ExecSort
                                 |          ExecProcNode
                                 |          standard_ExecutorRun
                                 |          ExplainOnePlan
                                 |          ExplainOneQuery
                                 |          ExplainQuery
                                 |          standard_ProcessUtility
                                 |          PortalRunUtility
                                 |          FillPortalStore
                                 |          PortalRun
                                 |          exec_simple_query
                                 |          PostgresMain
                                 |          ServerLoop
                                 |          PostmasterMain
                                 |          main
                                 |          __libc_start_main
                                 |          
                                  --33.34%-- ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecNestLoop
                                            ExecProcNode
                                            ExecHashJoin
                                            ExecProcNode
                                            ExecAgg
                                            ExecProcNode
                                            ExecSort
                                            ExecProcNode
                                            standard_ExecutorRun
                                            ExplainOnePlan
                                            ExplainOneQuery
                                            ExplainQuery
                                            standard_ProcessUtility
                                            PortalRunUtility
                                            FillPortalStore
                                            PortalRun
                                            exec_simple_query
                                            PostgresMain
                                            ServerLoop
                                            PostmasterMain
                                            main
                                            __libc_start_main

     0.45%          6         postgres  postgres           [.] StrategyGetBuffer
                   |
                   --- StrategyGetBuffer
                      |          
                      |--83.33%-- ReadBuffer_common
                      |          ReadBufferExtended
                      |          |          
                      |          |--40.02%-- _bt_relandgetbuf
                      |          |          _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |          |--40.02%-- index_fetch_heap
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --19.96%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --16.67%-- ReadBufferExtended
                                 _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.45%          6         postgres  postgres           [.] _bt_checkpage
                   |
                   --- _bt_checkpage
                      |          
                      |--66.63%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          |          
                      |          |--74.99%-- btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --25.01%-- btgetbitmap
                      |                     FunctionCall2Coll
                      |                     index_getbitmap
                      |                     MultiExecBitmapIndexScan
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--16.69%-- _bt_getbuf
                      |          _bt_getroot
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --16.68%-- _bt_getroot
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.45%          2  fail2ban-server  [unknown]          [.] 0x7f4657d5edf4  
            |
            --- 0x7f4657173298
                0x602010
                0x602010
                0x602010

     0.44%          1            mmfsd  [kernel.kallsyms]  [k] pick_next_task_rt
                      |
                      --- pick_next_task_rt
                          thread_return
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.40%          5         postgres  [kernel.kallsyms]  [k] zap_pte_range
                   |
                   --- zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.40%          5         postgres  [kernel.kallsyms]  [k] do_page_fault
                   |
                   --- do_page_fault
                       page_fault
                      |          
                      |--37.77%-- 0x49d348
                      |          heap_hot_search_buffer
                      |          index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--24.60%-- 0x674c50
                      |          PinBuffer
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--18.94%-- 0x7a5772
                      |          HeapTupleSatisfiesMVCC
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --18.68%-- copy_user_generic_string
                                 0xffffffffa04bfedc
                                 0xffffffffa04c021c
                                 0xffffffffa0554e96
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.37%          5         postgres  postgres           [.] ExecStoreTuple
                   |
                   --- ExecStoreTuple
                      |          
                      |--59.98%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--66.76%-- MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.24%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--20.02%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --20.00%-- IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] CheckForSerializableConflictOut
                   |
                   --- CheckForSerializableConflictOut
                      |          
                      |--59.95%-- heap_hot_search_buffer
                      |          index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.03%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --20.02%-- BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] ResourceOwnerForgetBuffer
                   |
                   --- ResourceOwnerForgetBuffer
                      |          
                      |--40.05%-- ExecClearTuple
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--39.92%-- ReleaseBuffer
                      |          |          
                      |          |--50.02%-- ExecStoreTuple
                      |          |          BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.98%-- _bt_steppage
                      |                     _bt_next
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --20.02%-- UnpinBuffer
                                 ReleaseAndReadBuffer
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] ResourceOwnerRememberBuffer
                   |
                   --- ResourceOwnerRememberBuffer
                      |          
                      |--40.00%-- IncrBufferRefCount
                      |          ExecStoreTuple
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--50.08%-- MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.92%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--39.96%-- ReadBuffer_common
                      |          ReadBufferExtended
                      |          |          
                      |          |--50.05%-- _bt_getbuf
                      |          |          _bt_getroot
                      |          |          _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.95%-- _bt_relandgetbuf
                      |                     _bt_search
                      |                     _bt_first
                      |                     btgettuple
                      |                     FunctionCall2Coll
                      |                     index_getnext_tid
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --20.03%-- ExecStoreTuple
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] LWLockAcquire
                   |
                   --- LWLockAcquire
                      |          
                      |--40.02%-- _bt_getbuf
                      |          _bt_getroot
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.04%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.00%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --19.94%-- index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] InstrStopNode
                   |
                   --- InstrStopNode
                      |          
                      |--80.02%-- ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--50.01%-- ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |          |--25.08%-- MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --24.91%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --19.98%-- ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] UnpinBuffer
                   |
                   --- UnpinBuffer
                      |          
                      |--39.95%-- _bt_steppage
                      |          _bt_next
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.03%-- ReleaseAndReadBuffer
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.03%-- ExecClearTuple
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --19.99%-- ExecStoreTuple
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] ReadBuffer_common
                   |
                   --- ReadBuffer_common
                       ReadBufferExtended
                      |          
                      |--60.05%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.00%-- _bt_getbuf
                      |          _bt_getroot
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --19.95%-- BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  [kernel.kallsyms]  [k] handle_mm_fault
                   |
                   --- handle_mm_fault
                       do_page_fault
                       page_fault
                      |          
                      |--60.01%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --39.99%-- copy_user_generic_string
                                 0xffffffffa04bfedc
                                 0xffffffffa04c021c
                                 0xffffffffa0553f90
                                 0xffffffffa05715f4
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.37%          5         postgres  postgres           [.] _bt_checkkeys
                   |
                   --- _bt_checkkeys
                      |          
                      |--80.02%-- _bt_readpage
                      |          _bt_first
                      |          |          
                      |          |--50.06%-- btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.94%-- btgetbitmap
                      |                     FunctionCall2Coll
                      |                     index_getbitmap
                      |                     MultiExecBitmapIndexScan
                      |                     BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --19.98%-- _bt_first
                                 btgetbitmap
                                 FunctionCall2Coll
                                 index_getbitmap
                                 MultiExecBitmapIndexScan
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] ReadBufferExtended
                   |
                   --- ReadBufferExtended
                      |          
                      |--40.00%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          |          
                      |          |--50.07%-- ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.93%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                      |--20.08%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--20.00%-- _bt_getroot
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --19.92%-- _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.37%          5         postgres  postgres           [.] _bt_first
                   |
                   --- _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                      |          
                      |--79.96%-- ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --20.04%-- ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.35%          4         postgres  [kernel.kallsyms]  [k] page_remove_rmap
                   |
                   --- page_remove_rmap
                       zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.34%          1         postgres  [kernel.kallsyms]  [k] _raw_spin_unlock_irqrestore
                   |
                   --- _raw_spin_unlock_irqrestore
                      |          
                      |--44.64%-- 0xffffffffa0560b7f
                      |          0xffffffffa04aeb14
                      |          0xffffffffa04c602f
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                      |--22.35%-- 0xffffffffa0541942
                      |          0xffffffffa05718be
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                      |--22.31%-- 0xffffffffa059eb0c
                      |          0xffffffffa05a18a9
                      |          0xffffffffa05a1a2d
                      |          0xffffffffa04b565a
                      |          read_pages
                      |          __do_page_cache_readahead
                      |          force_page_cache_readahead
                      |          sys_fadvise64_64
                      |          system_call_fastpath
                      |          0x7fb873db9e5d
                      |          posix_fadvise
                      |          
                       --10.69%-- poll_freewait
                                 do_sys_poll
                                 sys_poll
                                 system_call_fastpath
                                 0x7fb873db9b8f
                                 __libc_poll

     0.31%          1          swapper  [kernel.kallsyms]  [k] _raw_spin_lock_irqsave
                    |
                    --- _raw_spin_lock_irqsave
                        __wake_up
                        credit_entropy_bits
                        add_interrupt_randomness
                        handle_irq_event_percpu
                        handle_irq_event
                        handle_edge_irq
                        handle_irq
                        do_IRQ
                        ret_from_intr
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.30%          4         postgres  postgres           [.] MemoryContextReset
                   |
                   --- MemoryContextReset
                      |          
                      |--50.05%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--25.02%-- ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --24.93%-- ExecReScan
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.30%          4         postgres  postgres           [.] isTempToastNamespace
                   |
                   --- isTempToastNamespace
                       IsCatalogClass
                       heap_page_prune_opt
                      |          
                      |--75.08%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--66.78%-- MultiExecHash
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.22%-- ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --24.92%-- index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.30%          4         postgres  postgres           [.] ExecScan
                   |
                   --- ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                      |          
                      |--75.01%-- ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --24.99%-- ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.30%          4         postgres  postgres           [.] hash_any
                   |
                   --- hash_any
                      |          
                      |--75.09%-- CHashSearch
                      |          BufTableLookup
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          |          
                      |          |--33.35%-- _bt_relandgetbuf
                      |          |          _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |          |--33.33%-- index_fetch_heap
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --33.32%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --24.91%-- CHashInsert
                                 BufTableInsert
                                 ReadBuffer_common
                                 ReadBufferExtended
                                 _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgetbitmap
                                 FunctionCall2Coll
                                 index_getbitmap
                                 MultiExecBitmapIndexScan
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.30%          4         postgres  postgres           [.] InstrEndLoop
                   |
                   --- InstrEndLoop
                      |          
                      |--74.95%-- ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --25.05%-- ExecReScan
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.30%          4         postgres  [kernel.kallsyms]  [k] _raw_spin_lock_irqsave
                   |
                   --- _raw_spin_lock_irqsave
                      |          
                      |--50.03%-- up
                      |          |          
                      |          |--50.03%-- 0xffffffffa0513c8d
                      |          |          0xffffffffa059eaa9
                      |          |          0xffffffffa05a18a9
                      |          |          0xffffffffa05a1a2d
                      |          |          0xffffffffa04b565a
                      |          |          read_pages
                      |          |          __do_page_cache_readahead
                      |          |          force_page_cache_readahead
                      |          |          sys_fadvise64_64
                      |          |          system_call_fastpath
                      |          |          0x7fb873db9e5d
                      |          |          posix_fadvise
                      |          |          
                      |           --49.97%-- 0xffffffffa0570c42
                      |                     0xffffffffa04c61ab
                      |                     vfs_read
                      |                     sys_read
                      |                     system_call_fastpath
                      |                     0x7fb873db55d0
                      |                     __GI___read
                      |          
                       --49.97%-- down
                                 0xffffffffa04a89cf
                                 |          
                                 |--50.12%-- 0xffffffffa0513b5f
                                 |          0xffffffffa059eb1e
                                 |          0xffffffffa05a18a9
                                 |          0xffffffffa05a1a2d
                                 |          0xffffffffa04b565a
                                 |          read_pages
                                 |          __do_page_cache_readahead
                                 |          force_page_cache_readahead
                                 |          sys_fadvise64_64
                                 |          system_call_fastpath
                                 |          0x7fb873db9e5d
                                 |          posix_fadvise
                                 |          
                                  --49.88%-- 0xffffffffa051f54e
                                            0xffffffffa0541346
                                            0xffffffffa0570c42
                                            0xffffffffa04c61ab
                                            vfs_read
                                            sys_read
                                            system_call_fastpath
                                            0x7fb873db55d0
                                            __GI___read

     0.30%          4         postgres  postgres           [.] FunctionCall2Coll
                   |
                   --- FunctionCall2Coll
                      |          
                      |--50.07%-- _bt_compare
                      |          _bt_binsrch
                      |          _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--25.00%-- _bt_binsrch
                      |          _bt_search
                      |          _bt_first
                      |          btgetbitmap
                      |          FunctionCall2Coll
                      |          index_getbitmap
                      |          MultiExecBitmapIndexScan
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --24.93%-- index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.27%          1         postgres  postgres           [.] relation_open
                   |
                   --- relation_open
                       heap_open
                       CatalogCacheInitializeCache
                       SearchCatCache
                       GetSysCacheOid
                       get_role_oid
                       hba_getauthmethod
                       ClientAuthentication
                       InitPostgres
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.23%          3         postgres  postgres           [.] TransactionIdPrecedes
                   |
                   --- TransactionIdPrecedes
                       XidInMVCCSnapshot
                       HeapTupleSatisfiesMVCC
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.23%          3         postgres  postgres           [.] IncrBufferRefCount
                   |
                   --- IncrBufferRefCount
                       ExecStoreTuple
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.23%          3         postgres  postgres           [.] ExecHashTableInsert
                   |
                   --- ExecHashTableInsert
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.22%          3         postgres  postgres           [.] ResourceOwnerEnlargeBuffers
                   |
                   --- ResourceOwnerEnlargeBuffers
                      |          
                      |--66.74%-- IncrBufferRefCount
                      |          ExecStoreTuple
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.26%-- ReadBuffer_common
                                 ReadBufferExtended
                                 _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  postgres           [.] FunctionCall5Coll
                   |
                   --- FunctionCall5Coll
                      |          
                      |--66.68%-- ExecReScanIndexScan
                      |          ExecReScan
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.32%-- index_rescan
                                 ExecReScanIndexScan
                                 ExecReScan
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  postgres           [.] ExecProcNode
                   |
                   --- ExecProcNode
                      |          
                      |--66.69%-- ExecNestLoop
                      |          ExecProcNode
                      |          |          
                      |          |--50.05%-- ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.95%-- ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --33.31%-- ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  postgres           [.] LWLockRelease
                   |
                   --- LWLockRelease
                      |          
                      |--33.37%-- ReadBufferExtended
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--33.35%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.28%-- ReadBuffer_common
                                 ReadBufferExtended
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  libc-2.11.3.so     [.] __GI_memcpy
                   |
                   --- __GI_memcpy
                      |          
                      |--66.54%-- BufTableLookup
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          |          
                      |          |--50.08%-- _bt_getbuf
                      |          |          _bt_getroot
                      |          |          _bt_search
                      |          |          _bt_first
                      |          |          btgettuple
                      |          |          FunctionCall2Coll
                      |          |          index_getnext_tid
                      |          |          index_getnext
                      |          |          IndexNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.92%-- BitmapHeapNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --33.46%-- MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  [kernel.kallsyms]  [k] shmem_fault
                   |
                   --- shmem_fault
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--66.52%-- copy_user_generic_string
                      |          0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          0xffffffffa0554e96
                      |          0xffffffffa056facb
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --33.48%-- 0x7a5772
                                 HeapTupleSatisfiesMVCC
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 MultiExecHash
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  libc-2.11.3.so     [.] __malloc
                   |
                   --- __malloc
                       hash_create
                       tbm_create_pagetable
                       tbm_get_pageentry
                       tbm_add_tuples
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.22%          3         postgres  [kernel.kallsyms]  [k] lookup_page_cgroup
                   |
                   --- lookup_page_cgroup
                       mem_cgroup_update_page_stat
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--66.74%-- 0x49d348
                      |          heap_hot_search_buffer
                      |          index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.26%-- copy_user_generic_string
                                 0xffffffffa04bfedc
                                 0xffffffffa04c021c
                                 0xffffffffa0553f90
                                 0xffffffffa05715f4
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.22%          3         postgres  postgres           [.] index_getprocinfo
                   |
                   --- index_getprocinfo
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.22%          3         postgres  postgres           [.] _bt_binsrch
                   |
                   --- _bt_binsrch
                      |          
                      |--66.67%-- _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.33%-- _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  postgres           [.] BufTableLookup
                   |
                   --- BufTableLookup
                       ReadBuffer_common
                       ReadBufferExtended
                      |          
                      |--66.74%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.26%-- _bt_relandgetbuf
                                 _bt_search
                                 _bt_first
                                 btgettuple
                                 FunctionCall2Coll
                                 index_getnext_tid
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  [kernel.kallsyms]  [k] page_add_file_rmap
                   |
                   --- page_add_file_rmap
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                      |          
                      |--66.57%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          |          
                      |          |--50.01%-- BitmapHeapNext
                      |          |          ExecScan
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecNestLoop
                      |          |          ExecProcNode
                      |          |          ExecHashJoin
                      |          |          ExecProcNode
                      |          |          ExecAgg
                      |          |          ExecProcNode
                      |          |          ExecSort
                      |          |          ExecProcNode
                      |          |          standard_ExecutorRun
                      |          |          ExplainOnePlan
                      |          |          ExplainOneQuery
                      |          |          ExplainQuery
                      |          |          standard_ProcessUtility
                      |          |          PortalRunUtility
                      |          |          FillPortalStore
                      |          |          PortalRun
                      |          |          exec_simple_query
                      |          |          PostgresMain
                      |          |          ServerLoop
                      |          |          PostmasterMain
                      |          |          main
                      |          |          __libc_start_main
                      |          |          
                      |           --49.99%-- index_fetch_heap
                      |                     index_getnext
                      |                     IndexNext
                      |                     ExecScan
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecNestLoop
                      |                     ExecProcNode
                      |                     ExecHashJoin
                      |                     ExecProcNode
                      |                     ExecAgg
                      |                     ExecProcNode
                      |                     ExecSort
                      |                     ExecProcNode
                      |                     standard_ExecutorRun
                      |                     ExplainOnePlan
                      |                     ExplainOneQuery
                      |                     ExplainQuery
                      |                     standard_ProcessUtility
                      |                     PortalRunUtility
                      |                     FillPortalStore
                      |                     PortalRun
                      |                     exec_simple_query
                      |                     PostgresMain
                      |                     ServerLoop
                      |                     PostmasterMain
                      |                     main
                      |                     __libc_start_main
                      |          
                       --33.43%-- copy_user_generic_string
                                 0xffffffffa04bfedc
                                 0xffffffffa04c021c
                                 0xffffffffa0553f90
                                 0xffffffffa05715f4
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.22%          3         postgres  [kernel.kallsyms]  [k] getnstimeofday
                   |
                   --- getnstimeofday
                       0xffffffffa04a8d10
                      |          
                      |--66.68%-- 0xffffffffa052cab3
                      |          0xffffffffa059f09d
                      |          0xffffffffa05a18a9
                      |          0xffffffffa05a1a2d
                      |          0xffffffffa04b565a
                      |          read_pages
                      |          __do_page_cache_readahead
                      |          force_page_cache_readahead
                      |          sys_fadvise64_64
                      |          system_call_fastpath
                      |          0x7fb873db9e5d
                      |          posix_fadvise
                      |          
                       --33.32%-- 0xffffffffa0554b33
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.22%          3         postgres  postgres           [.] hash_seq_search
                   |
                   --- hash_seq_search
                       tbm_begin_iterate
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.22%          3         postgres  postgres           [.] DataChecksumsEnabled
                   |
                   --- DataChecksumsEnabled
                       ReadBuffer_common
                       ReadBufferExtended
                      |          
                      |--33.44%-- index_fetch_heap
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--33.31%-- _bt_relandgetbuf
                      |          _bt_search
                      |          _bt_first
                      |          btgetbitmap
                      |          FunctionCall2Coll
                      |          index_getbitmap
                      |          MultiExecBitmapIndexScan
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --33.25%-- BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.22%          3         postgres  [kernel.kallsyms]  [k] mem_cgroup_count_vm_event
                   |
                   --- mem_cgroup_count_vm_event
                       handle_mm_fault
                       do_page_fault
                       page_fault
                      |          
                      |--33.60%-- 0x49f6c7
                      |          heap_page_prune_opt
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                      |--33.51%-- copy_user_generic_string
                      |          0xffffffffa04bfedc
                      |          0xffffffffa04c021c
                      |          0xffffffffa0553f90
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --32.89%-- 0x49d348
                                 heap_hot_search_buffer
                                 index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          1         postgres  libc-2.11.3.so     [.] __GI___read
                   |
                   --- __GI___read
                      |          
                      |--96.35%-- mdread
                      |          ReadBuffer_common
                      |          ReadBufferExtended
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --3.65%-- BackgroundWriterMain
                                 AuxiliaryProcessMain
                                 StartChildProcess
                                 reaper
                                 __restore_rt
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  postgres           [.] pgstat_init_function_usage
                   |
                   --- pgstat_init_function_usage
                      |          
                      |--50.89%-- ExecMakeFunctionResultNoSets
                      |          ExecQual
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.11%-- ExecQual
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] mark_page_accessed
                   |
                   --- mark_page_accessed
                       zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.15%          2         postgres  postgres           [.] check_stack_depth
                   |
                   --- check_stack_depth
                       ExecMakeFunctionResultNoSets
                       ExecQual
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] heap_form_minimal_tuple
                   |
                   --- heap_form_minimal_tuple
                       ExecFetchSlotMinimalTuple
                       ExecHashTableInsert
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] find_vma
                   |
                   --- find_vma
                       do_page_fault
                       page_fault
                       copy_user_generic_string
                       0xffffffffa04bfedc
                       0xffffffffa04c021c
                      |          
                      |--50.00%-- 0xffffffffa0553f90
                      |          0xffffffffa05715f4
                      |          0xffffffffa04c61ab
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --50.00%-- 0xffffffffa0554e96
                                 0xffffffffa056facb
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.15%          2         postgres  [kernel.kallsyms]  [k] vfs_read
                   |
                   --- vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.15%          2         postgres  postgres           [.] advance_aggregates
                   |
                   --- advance_aggregates
                      |          
                      |--50.02%-- ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.98%-- ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  postgres           [.] InstrStartNode
                   |
                   --- InstrStartNode
                      |          
                      |--50.02%-- ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.98%-- ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  libc-2.11.3.so     [.] __lseek64
                   |
                   --- __lseek64
                       mdread
                       ReadBuffer_common
                       ReadBufferExtended
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] ShutdownExprContext
                   |
                   --- ShutdownExprContext
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] TerminateBufferIO
                   |
                   --- TerminateBufferIO
                      |          
                      |--50.03%-- ReadBufferExtended
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.97%-- ReadBuffer_common
                                 ReadBufferExtended
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] __kmalloc
                   |
                   --- __kmalloc
                       0xffffffffa04ade30
                      |          
                      |--50.00%-- 0xffffffffa05a19ed
                      |          0xffffffffa04b565a
                      |          read_pages
                      |          __do_page_cache_readahead
                      |          force_page_cache_readahead
                      |          sys_fadvise64_64
                      |          system_call_fastpath
                      |          0x7fb873db9e5d
                      |          posix_fadvise
                      |          
                       --50.00%-- 0xffffffffa05a1638
                                 0xffffffffa05a1a2d
                                 0xffffffffa04b565a
                                 read_pages
                                 __do_page_cache_readahead
                                 force_page_cache_readahead
                                 sys_fadvise64_64
                                 system_call_fastpath
                                 0x7fb873db9e5d
                                 posix_fadvise

     0.15%          2         postgres  postgres           [.] IndexNext
                   |
                   --- IndexNext
                      |          
                      |--50.07%-- ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.93%-- ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  postgres           [.] timestamp_part
                   |
                   --- timestamp_part
                       ExecMakeFunctionResultNoSets
                       ExecProject
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] ReleaseBuffer
                   |
                   --- ReleaseBuffer
                       ExecClearTuple
                      |          
                      |--50.18%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          MultiExecHash
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.82%-- ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  postgres           [.] _bt_preprocess_keys
                   |
                   --- _bt_preprocess_keys
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] up_read
                   |
                   --- up_read
                       do_page_fault
                       page_fault
                      |          
                      |--50.09%-- 0x49d348
                      |          heap_hot_search_buffer
                      |          BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.91%-- copy_user_generic_string
                                 0xffffffffa04bfedc
                                 0xffffffffa04c021c
                                 0xffffffffa0553f90
                                 0xffffffffa05715f4
                                 0xffffffffa04c61ab
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.15%          2         postgres  [kernel.kallsyms]  [k] get_page_from_freelist
                   |
                   --- get_page_from_freelist
                       __alloc_pages_nodemask
                       alloc_pages_current
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.15%          2         postgres  postgres           [.] ReleaseAndReadBuffer
                   |
                   --- ReleaseAndReadBuffer
                      |          
                      |--50.01%-- BitmapHeapNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.99%-- index_fetch_heap
                                 index_getnext
                                 IndexNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  postgres           [.] CHashAddToGarbage
                   |
                   --- CHashAddToGarbage
                       CHashDelete
                       BufTableDelete
                       ReadBuffer_common
                       ReadBufferExtended
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] ExecHashJoin
                   |
                   --- ExecHashJoin
                       ExecProcNode
                      |          
                      |--50.15%-- ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.85%-- ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] radix_tree_lookup
                   |
                   --- radix_tree_lookup
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.15%          2         postgres  [kernel.kallsyms]  [k] down
                   |
                   --- down
                       0xffffffffa04a89cf
                       0xffffffffa051f54e
                      |          
                      |--50.04%-- 0xffffffffa053ac4a
                      |          0xffffffffa051f34a
                      |          0xffffffffa0560b17
                      |          0xffffffffa04aeb14
                      |          0xffffffffa04c602f
                      |          vfs_read
                      |          sys_read
                      |          system_call_fastpath
                      |          0x7fb873db55d0
                      |          __GI___read
                      |          
                       --49.96%-- 0xffffffffa0541346
                                 0xffffffffa0560b7f
                                 0xffffffffa04aeb14
                                 0xffffffffa04c602f
                                 vfs_read
                                 sys_read
                                 system_call_fastpath
                                 0x7fb873db55d0
                                 __GI___read

     0.15%          2         postgres  postgres           [.] AllocSetAlloc
                   |
                   --- AllocSetAlloc
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  postgres           [.] _bt_preprocess_array_keys
                   |
                   --- _bt_preprocess_array_keys
                       btrescan
                       FunctionCall5Coll
                       index_rescan
                       ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] common_file_perm
                   |
                   --- common_file_perm
                       security_file_permission
                       rw_verify_area
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.15%          2         postgres  postgres           [.] btrescan
                   |
                   --- btrescan
                       FunctionCall5Coll
                       index_rescan
                       ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] blk_flush_plug_list
                   |
                   --- blk_flush_plug_list
                       blk_finish_plug
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.15%          2         postgres  postgres           [.] _bt_getroot
                   |
                   --- _bt_getroot
                      |          
                      |--50.02%-- _bt_search
                      |          _bt_first
                      |          btgettuple
                      |          FunctionCall2Coll
                      |          index_getnext_tid
                      |          index_getnext
                      |          IndexNext
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.98%-- _bt_first
                                 btgetbitmap
                                 FunctionCall2Coll
                                 index_getbitmap
                                 MultiExecBitmapIndexScan
                                 BitmapHeapNext
                                 ExecScan
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecNestLoop
                                 ExecProcNode
                                 ExecHashJoin
                                 ExecProcNode
                                 ExecAgg
                                 ExecProcNode
                                 ExecSort
                                 ExecProcNode
                                 standard_ExecutorRun
                                 ExplainOnePlan
                                 ExplainOneQuery
                                 ExplainQuery
                                 standard_ProcessUtility
                                 PortalRunUtility
                                 FillPortalStore
                                 PortalRun
                                 exec_simple_query
                                 PostgresMain
                                 ServerLoop
                                 PostmasterMain
                                 main
                                 __libc_start_main

     0.15%          2         postgres  [kernel.kallsyms]  [k] system_call_after_swapgs
                   |
                   --- system_call_after_swapgs
                      |          
                      |--50.31%-- 0x7fb873dc30d0
                      |          __lseek64
                      |          ExecScan
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecNestLoop
                      |          ExecProcNode
                      |          ExecHashJoin
                      |          ExecProcNode
                      |          ExecAgg
                      |          ExecProcNode
                      |          ExecSort
                      |          ExecProcNode
                      |          standard_ExecutorRun
                      |          ExplainOnePlan
                      |          ExplainOneQuery
                      |          ExplainQuery
                      |          standard_ProcessUtility
                      |          PortalRunUtility
                      |          FillPortalStore
                      |          PortalRun
                      |          exec_simple_query
                      |          PostgresMain
                      |          ServerLoop
                      |          PostmasterMain
                      |          main
                      |          __libc_start_main
                      |          
                       --49.69%-- heap_hot_search_buffer
                                 BitmapHeapNext
                                 ExecProject
                                 0xd2a7c8
                                 0xd141e0

     0.15%          2         postgres  [kernel.kallsyms]  [k] __rmqueue
                   |
                   --- __rmqueue
                       get_page_from_freelist
                       __alloc_pages_nodemask
                       alloc_pages_current
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.14%         10         postgres  postgres           [.] SyncOneBuffer
                   |
                   --- SyncOneBuffer
                       BgBufferSync
                       BackgroundWriterMain
                       AuxiliaryProcessMain
                       StartChildProcess
                       reaper
                       __restore_rt
                       PostmasterMain
                       main
                       __libc_start_main

     0.14%          1      ksoftirqd/0  [kernel.kallsyms]  [k] perf_mmap_free_page
                |
                --- perf_mmap_free_page
                    rb_free
                    rcu_do_batch
                    rcu_process_callbacks
                    __do_softirq
                    run_ksoftirqd
                    kthread
                    kernel_thread_helper

     0.11%          1         postgres  [kernel.kallsyms]  [k] find_lock_page
                   |
                   --- find_lock_page
                       shmem_getpage_gfp
                       shmem_fault
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                       0x7a5772
                       HeapTupleSatisfiesMVCC
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.10%          1         postgres  [kernel.kallsyms]  [k] __dec_zone_page_state
                   |
                   --- __dec_zone_page_state
                       page_remove_rmap
                       zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.08%          1         postgres  [kernel.kallsyms]  [k] release_pages
                   |
                   --- release_pages
                       free_pages_and_swap_cache
                       tlb_flush_mmu
                       zap_pte_range
                       unmap_page_range
                       unmap_vmas
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.08%          1         postgres  [kernel.kallsyms]  [k] get_pageblock_flags_group
                   |
                   --- get_pageblock_flags_group
                       free_hot_cold_page
                       __pagevec_free
                       release_pages
                       free_pages_and_swap_cache
                       tlb_flush_mmu
                       tlb_finish_mmu
                       exit_mmap
                       mmput
                       exit_mm
                       do_exit
                       do_group_exit
                       sys_exit_group
                       system_call_fastpath
                       0x7fb873d90a38

     0.08%          1         postgres  postgres           [.] ExecFetchSlotMinimalTuple
                   |
                   --- ExecFetchSlotMinimalTuple
                       ExecHashTableInsert
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.08%          1         postgres  postgres           [.] dense_alloc
                   |
                   --- dense_alloc
                       ExecHashTableInsert
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.08%          1         postgres  postgres           [.] AllocSetFree
                   |
                   --- AllocSetFree
                       ExecClearTuple
                       ExecProject
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.08%          1         postgres  libc-2.11.3.so     [.] __GI_memset
                   |
                   --- __GI_memset
                       heap_form_minimal_tuple
                       ExecFetchSlotMinimalTuple
                       ExecHashTableInsert
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.08%          1         postgres  postgres           [.] int4eq
                   |
                   --- int4eq
                       ExecQual
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       MultiExecHash
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.08%          1         postgres  [kernel.kallsyms]  [k] sched_avg_update
                   |
                   --- sched_avg_update
                       update_cpu_load
                       scheduler_tick
                       update_process_times
                       tick_sched_timer
                       __run_hrtimer
                       hrtimer_interrupt
                       smp_apic_timer_interrupt
                       apic_timer_interrupt
                       0x4acf13
                       _bt_binsrch
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] __task_pid_nr_ns
                   |
                   --- __task_pid_nr_ns
                       0xffffffffa04bfec2
                       0xffffffffa04c021c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] security_file_permission
                   |
                   --- security_file_permission
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] handle_pte_fault
                   |
                   --- handle_pte_fault
                       do_page_fault
                       page_fault
                       0x49d348
                       heap_hot_search_buffer
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] fmgr_info_copy
                   |
                   --- fmgr_info_copy
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] mem_cgroup_cache_charge
                   |
                   --- mem_cgroup_cache_charge
                       add_to_page_cache_locked
                       add_to_page_cache
                       add_to_page_cache_lru
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  [kernel.kallsyms]  [k] mem_cgroup_add_lru_list
                   |
                   --- mem_cgroup_add_lru_list
                       pagevec_lru_move_fn
                       __lru_cache_add
                       add_to_page_cache_lru
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  [kernel.kallsyms]  [k] fget
                   |
                   --- fget
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  [kernel.kallsyms]  [k] file_update_time
                   |
                   --- file_update_time
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                       copy_user_generic_string
                       0xffffffffa04bfedc
                       0xffffffffa04c021c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] __cache_free
                   |
                   --- __cache_free
                       kfree
                       0xffffffffa05a17f1
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] TupleHashTableHash
                   |
                   --- TupleHashTableHash
                       hash_search
                       LookupTupleHashEntry
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] hash_uint32
                   |
                   --- hash_uint32
                       hash_search
                       GetPrivateRefCountEntry
                       PinBuffer
                       ReadBuffer_common
                       ReadBufferExtended
                       _bt_relandgetbuf
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] sys_lseek
                   |
                   --- sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] _bt_relandgetbuf
                   |
                   --- _bt_relandgetbuf
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] pg_qsort
                   |
                   --- pg_qsort
                       pg_qsort
                       tbm_begin_iterate
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] btgettuple
                   |
                   --- btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] fget_light
                   |
                   --- fget_light
                       sys_lseek
                       system_call_fastpath
                       0x7fb873dc30d0
                       __lseek64

     0.07%          1         postgres  [kernel.kallsyms]  [k] read_pages
                   |
                   --- read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  [kernel.kallsyms]  [k] __phys_addr
                   |
                   --- __phys_addr
                       kfree
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] CHashDelete
                   |
                   --- CHashDelete
                       BufTableDelete
                       ReadBuffer_common
                       ReadBufferExtended
                       index_fetch_heap
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] sys_fadvise64
                   |
                   --- sys_fadvise64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] bms_free
                   |
                   --- bms_free
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] fsnotify
                   |
                   --- fsnotify
                       rw_verify_area
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] sys_fadvise64_64
                   |
                   --- sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] RecoveryInProgress
                   |
                   --- RecoveryInProgress
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] date_ge
                   |
                   --- date_ge
                       ExecQual
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] down_read_trylock
                   |
                   --- down_read_trylock
                       do_page_fault
                       page_fault
                       copy_user_generic_string
                       0xffffffffa04bfedc
                       0xffffffffa04c021c
                       0xffffffffa0553f90
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  postgres           [.] tbm_add_tuples
                   |
                   --- tbm_add_tuples
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] hash_search
                   |
                   --- hash_search
                       GetPrivateRefCountEntry
                       PinBuffer
                       ReadBuffer_common
                       ReadBufferExtended
                       _bt_getbuf
                       _bt_getroot
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] IsCatalogClass
                   |
                   --- IsCatalogClass
                       index_fetch_heap
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] set_page_dirty
                   |
                   --- set_page_dirty
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                       copy_user_generic_string
                       0xffffffffa04bfedc
                       0xffffffffa04c021c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  postgres           [.] tbm_comparator
                   |
                   --- tbm_comparator
                       pg_qsort
                       pg_qsort
                       pg_qsort
                       pg_qsort
                       pg_qsort
                       tbm_begin_iterate
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] ExecReScanIndexScan
                   |
                   --- ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] __mem_cgroup_commit_charge
                   |
                   --- __mem_cgroup_commit_charge
                       __mem_cgroup_commit_charge_lrucare
                       mem_cgroup_cache_charge
                       add_to_page_cache_locked
                       add_to_page_cache
                       add_to_page_cache_lru
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] FileSeek
                   |
                   --- FileSeek
                       mdread
                       ReadBuffer_common
                       ReadBufferExtended
                       _bt_relandgetbuf
                       _bt_search
                       _bt_first
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] AllocSetContextCreate
                   |
                   --- AllocSetContextCreate
                       tbm_create_pagetable
                       tbm_get_pageentry
                       tbm_add_tuples
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] index_rescan
                   |
                   --- index_rescan
                       ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] PinBuffer_Locked
                   |
                   --- PinBuffer_Locked
                       ReadBuffer_common
                       ReadBufferExtended
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] LockBuffer
                   |
                   --- LockBuffer
                       _bt_relandgetbuf
                       _bt_search
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] tbm_get_pageentry
                   |
                   --- tbm_get_pageentry
                       tbm_add_tuples
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] lseek@plt
                   |
                   --- lseek@plt
                       _mdnblocks
                       mdnblocks
                       initscan
                       ExecReScanBitmapHeapScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] ExecIndexEvalRuntimeKeys
                   |
                   --- ExecIndexEvalRuntimeKeys
                       ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] read_tsc
                   |
                   --- read_tsc
                       getnstimeofday
                       0xffffffffa04a8d10
                       0xffffffffa0554b33
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] __mem_cgroup_try_charge
                   |
                   --- __mem_cgroup_try_charge
                       mem_cgroup_cache_charge
                       add_to_page_cache_locked
                       add_to_page_cache
                       add_to_page_cache_lru
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] _bt_readpage
                   |
                   --- _bt_readpage
                       _bt_first
                       btgettuple
                       FunctionCall2Coll
                       index_getnext_tid
                       index_getnext
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] oid_hash
                   |
                   --- oid_hash
                       GetPrivateRefCountEntry
                       PinBuffer_Locked
                       ReadBuffer_common
                       ReadBufferExtended
                       _bt_getbuf
                       _bt_steppage
                       _bt_next
                       btgetbitmap
                       FunctionCall2Coll
                       index_getbitmap
                       MultiExecBitmapIndexScan
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] mdread
                   |
                   --- mdread
                       ReadBuffer_common
                       ReadBufferExtended
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] PredicateLockTuple
                   |
                   --- PredicateLockTuple
                       heap_hot_search_buffer
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] bms_add_member
                   |
                   --- bms_add_member
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] __set_page_dirty_no_writeback
                   |
                   --- __set_page_dirty_no_writeback
                       __do_fault
                       handle_pte_fault
                       do_page_fault
                       page_fault
                       copy_user_generic_string
                       0xffffffffa04bfedc
                       0xffffffffa04c021c
                       0xffffffffa0554e96
                       0xffffffffa056facb
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  postgres           [.] advance_transition_function
                   |
                   --- advance_transition_function
                       advance_aggregates
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  libc-2.11.3.so     [.] __memmove_ssse3
                   |
                   --- __memmove_ssse3
                       FunctionCall5Coll
                       index_rescan
                       ExecReScanIndexScan
                       ExecReScan
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] max_sane_readahead
                   |
                   --- max_sane_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] bms_make_singleton
                   |
                   --- bms_make_singleton
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] apparmor_capable
                   |
                   --- apparmor_capable
                       ns_capable
                       0xffffffffa04aeafb
                       0xffffffffa04c602f
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] native_sched_clock
                   |
                   --- native_sched_clock
                       sched_clock
                       try_to_wake_up
                       __wake_up_common
                       __wake_up
                       0xffffffffa04be300
                       0xffffffffa05beb72
                       0xffffffffa052d8f9
                       0xffffffffa059f09d
                       0xffffffffa05a18a9
                       0xffffffffa05a1a2d
                       0xffffffffa04b565a
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  [kernel.kallsyms]  [k] system_call
                   |
                   --- system_call
                       __lseek64

     0.07%          1         postgres  [kernel.kallsyms]  [k] scheduler_tick
                   |
                   --- scheduler_tick
                       update_process_times
                       tick_sched_timer
                       __run_hrtimer
                       hrtimer_interrupt
                       smp_apic_timer_interrupt
                       apic_timer_interrupt
                       0xffffffffa04c0066
                       0xffffffffa0553f90
                       0xffffffffa05715f4
                       0xffffffffa04c61ab
                       vfs_read
                       sys_read
                       system_call_fastpath
                       0x7fb873db55d0
                       __GI___read

     0.07%          1         postgres  [kernel.kallsyms]  [k] __percpu_counter_add
                   |
                   --- __percpu_counter_add
                       account_user_time
                       update_process_times
                       tick_sched_timer
                       __run_hrtimer
                       hrtimer_interrupt
                       smp_apic_timer_interrupt
                       apic_timer_interrupt
                       0x79ae8b
                       ResourceOwnerEnlargeBuffers
                       IncrBufferRefCount
                       ExecStoreTuple
                       IndexNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  postgres           [.] PrefetchBuffer
                   |
                   --- PrefetchBuffer
                       BitmapHeapNext
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] ____pagevec_lru_add_fn
                   |
                   --- ____pagevec_lru_add_fn
                       pagevec_lru_move_fn
                       __lru_cache_add
                       add_to_page_cache_lru
                       read_pages
                       __do_page_cache_readahead
                       force_page_cache_readahead
                       sys_fadvise64_64
                       system_call_fastpath
                       0x7fb873db9e5d
                       posix_fadvise

     0.07%          1         postgres  postgres           [.] slot_getsomeattrs
                   |
                   --- slot_getsomeattrs
                       ExecProject
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.07%          1         postgres  [kernel.kallsyms]  [k] error_entry
                   |
                   --- error_entry
                       0x49d348
                       heap_hot_search_buffer
                       ExecScan
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecNestLoop
                       ExecProcNode
                       ExecHashJoin
                       ExecProcNode
                       ExecAgg
                       ExecProcNode
                       ExecSort
                       ExecProcNode
                       standard_ExecutorRun
                       ExplainOnePlan
                       ExplainOneQuery
                       ExplainQuery
                       standard_ProcessUtility
                       PortalRunUtility
                       FillPortalStore
                       PortalRun
                       exec_simple_query
                       PostgresMain
                       ServerLoop
                       PostmasterMain
                       main
                       __libc_start_main

     0.05%         11            mmfsd  [unknown]          [.] 0x5aef72        
                      |
                      --- 0x68bcfa
                          0xe00000000

                      |
                      --- 0x5af03a
                          0xffffc900341c3998

                      |
                      --- 0x5b6859
                          0xffffc900341c3998

                      |
                      --- 0x7ffb7c0e5390
                          (nil)

                      |
                      --- 0x7ffb7cb536c1
                          0xffffc900341c3998

                      |
                      --- 0x1133ccd
                          0xffffc900341c3998

                      |
                      --- 0x72a7ec
                          0x1c4c42

                      |
                      --- 0x5c1ebd
                          (nil)

                      |
                      --- 0x5c9090
                          0xffffc90033221a70

                      |
                      --- 0x5aef72
                          0xe00000000

                      |
                      --- 0x7ffb7c11f3d0
                          0xffffc900341c3998

     0.05%          2          swapper  [kernel.kallsyms]  [k] update_ts_time_stats
                    |
                    --- update_ts_time_stats
                        tick_nohz_stop_idle
                       |          
                       |--57.91%-- tick_nohz_restart_sched_tick
                       |          cpu_idle
                       |          
                        --42.09%-- tick_check_idle
                                  irq_enter
                                  scheduler_ipi
                                  reschedule_interrupt
                                  intel_idle
                                  cpuidle_idle_call
                                  cpu_idle

     0.05%          1     kworker/11:1  [kernel.kallsyms]  [k] __schedule
               |
               --- __schedule
                   worker_thread
                   kthread
                   kernel_thread_helper

     0.04%          6            mmfsd  [mmfslinux]        [k] 0x22614         
                      |
                      --- 0xffffffffa04c3c27
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

                      |
                      --- 0xffffffffa04a05c3
                          0xffffffffa05c0332
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

                      |
                      --- 0xffffffffa04c2614
                          0xffffffffa0605ae4
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

                      |
                      --- 0xffffffffa04a8bc2
                          0x6
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

                      |
                      --- 0xffffffffa04a8b80
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

                      |
                      --- 0xffffffffa04c3c57
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.03%          2            mmfsd  [kernel.kallsyms]  [k] __task_pid_nr_ns
                      |
                      --- __task_pid_nr_ns
                          0xffffffffa04c2645
                          0xffffffffa0605ae4
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.02%          4            mmfsd  [kernel.kallsyms]  [k] cpumask_next_and
                      |
                      --- cpumask_next_and
                          find_busiest_group
                          load_balance
                          idle_balance
                          thread_return
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.02%          3            mmfsd  [kernel.kallsyms]  [k] __schedule
                      |
                      --- __schedule
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.02%          1      kworker/0:0  [ixgbe]            [k] ixgbe_update_stats
                |
                --- ixgbe_update_stats
                    ixgbe_watchdog_subtask
                    ixgbe_service_task
                    process_one_work
                    worker_thread
                    kthread
                    kernel_thread_helper

     0.02%          1          swapper  [kernel.kallsyms]  [k] pm_qos_request
                    |
                    --- pm_qos_request
                        menu_select
                        cpuidle_idle_call
                        cpu_idle

     0.02%          5          swapper  [kernel.kallsyms]  [k] rcu_needs_cpu
                    |
                    --- rcu_needs_cpu
                        tick_nohz_stop_sched_tick
                       |          
                       |--93.95%-- cpu_idle
                       |          |          
                       |           --100.00%-- start_kernel
                       |                     x86_64_start_kernel
                       |          
                        --6.05%-- irq_exit
                                  do_IRQ
                                  ret_from_intr
                                  tick_nohz_stop_sched_tick
                                  cpu_idle
                                  start_kernel
                                  x86_64_start_kernel

     0.01%          5          swapper  [kernel.kallsyms]  [k] thread_return
                    |
                    --- thread_return
                        cpu_idle
                       |          
                        --100.00%-- start_kernel
                                  x86_64_start_kernel

     0.01%          2            mmfsd  [kernel.kallsyms]  [k] _raw_spin_lock_irqsave
                      |
                      --- _raw_spin_lock_irqsave
                         |          
                         |--94.55%-- try_to_wake_up
                         |          __wake_up_common
                         |          __wake_up
                         |          0xffffffffa04a7ff0
                         |          0xffffffffa05c042a
                         |          0xffffffffa0605afe
                         |          0xffffffffa04c3c65
                         |          do_vfs_ioctl
                         |          sys_ioctl
                         |          system_call_fastpath
                         |          0x7ffb7c11f3d7
                         |          0x7ffb7c11f3d7
                         |          0xffffc900341c3998
                         |          
                          --5.45%-- 0xffffffffa04a8b85
                                    0xffffffffa05bf0f1
                                    0xffffffffa05c0478
                                    0xffffffffa0605afe
                                    0xffffffffa04c3c65
                                    do_vfs_ioctl
                                    sys_ioctl
                                    system_call_fastpath
                                    0x7ffb7c11f3d7
                                    0x7ffb7c11f3d7
                                    0xffffc900341c3998

     0.01%          1            mmfsd  [kernel.kallsyms]  [k] sched_clock
                      |
                      --- sched_clock
                          idle_balance
                          thread_return
                          schedule_timeout
                          __down
                          down
                          0xffffffffa04a89cf
                          0xffffffffa05c03ea
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.01%          1          swapper  [kernel.kallsyms]  [k] intel_pmu_disable_all
                    |
                    --- intel_pmu_disable_all
                        perf_adjust_freq_unthr_context
                        perf_event_task_tick
                        scheduler_tick
                        update_process_times
                        tick_sched_timer
                        __run_hrtimer
                        hrtimer_interrupt
                        smp_apic_timer_interrupt
                        apic_timer_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.01%          2          swapper  [kernel.kallsyms]  [k] get_next_timer_interrupt
                    |
                    --- get_next_timer_interrupt
                        tick_nohz_stop_sched_tick
                       |          
                       |--52.26%-- cpu_idle
                       |          
                        --47.74%-- irq_exit
                                  do_IRQ
                                  ret_from_intr
                                  intel_idle
                                  cpuidle_idle_call
                                  cpu_idle

     0.01%          1         postgres  postgres           [.] AtEOXact_MultiXact
                   |
                   --- AtEOXact_MultiXact
                       CommitTransactionCommand
                       InitPostgres
                       AutoVacWorkerMain
                       StartAutoVacWorker
                       sigusr1_handler
                       __restore_rt
                       PostmasterMain
                       main
                       __libc_start_main

     0.01%          2            mmfsd  [kernel.kallsyms]  [k] idle_balance
                      |
                      --- idle_balance
                          thread_return
                          0xffffffffa04a8b7d
                         |          
                         |--56.83%-- 0xffffffffa05c07e5
                         |          0xffffffffa05c0bbf
                         |          0xffffffffa0605bc1
                         |          0xffffffffa04c3c65
                         |          do_vfs_ioctl
                         |          sys_ioctl
                         |          system_call_fastpath
                         |          0x7ffb7c11f3d7
                         |          0x7ffb7c11f3d7
                         |          
                          --43.17%-- 0xffffffffa05bf0f1
                                    0xffffffffa05c0478
                                    0xffffffffa0605afe
                                    0xffffffffa04c3c65
                                    do_vfs_ioctl
                                    sys_ioctl
                                    system_call_fastpath
                                    0x7ffb7c11f3d7
                                    0x7ffb7c11f3d7
                                    0xffffc900341c3998

     0.01%          1          swapper  [kernel.kallsyms]  [k] cpuidle_idle_call
                    |
                    --- cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.01%          3            mmfsd  [kernel.kallsyms]  [k] update_curr
                      |
                      --- update_curr
                          dequeue_entity
                          dequeue_task_fair
                          __schedule
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.01%          2          swapper  [kernel.kallsyms]  [k] __schedule
                    |
                    --- __schedule
                       |          
                       |--61.67%-- 0xffff8805b67fe000
                       |          
                        --38.33%-- cpu_idle

     0.01%          1            mmfsd  [kernel.kallsyms]  [k] security_file_ioctl
                      |
                      --- security_file_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.01%          2          swapper  [kernel.kallsyms]  [k] enqueue_sleeper
                    |
                    --- enqueue_sleeper
                        enqueue_entity
                        enqueue_task_fair
                        ttwu_activate
                        ttwu_do_activate
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                       |          
                        --100.00%-- start_kernel
                                  x86_64_start_kernel

     0.01%          1         postgres  libc-2.11.3.so     [.] __gettimeofday_internal
                   |
                   --- __gettimeofday_internal
                       BackgroundWriterMain
                       AuxiliaryProcessMain
                       StartChildProcess
                       reaper
                       __restore_rt
                       PostmasterMain
                       main
                       __libc_start_main

     0.01%          1         postgres  [kernel.kallsyms]  [k] get_rps_cpu
                   |
                   --- get_rps_cpu
                       netif_rx
                       loopback_xmit
                       dev_hard_start_xmit
                       dev_queue_xmit
                       ip_finish_output
                       ip_send_skb
                       udp_send_skb
                       udp_sendmsg
                       sock_sendmsg
                       sys_sendto
                       system_call_fastpath
                       0x7fb873dc4075
                       __GI___send

     0.01%          1            mmfsd  [kernel.kallsyms]  [k] deactivate_task
                      |
                      --- deactivate_task
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.01%          3          swapper  [kernel.kallsyms]  [k] __hrtimer_start_range_ns
                    |
                    --- __hrtimer_start_range_ns
                       |          
                       |--88.41%-- tick_nohz_stop_sched_tick
                       |          |          
                       |          |--76.81%-- cpu_idle
                       |          |          
                       |           --23.19%-- irq_exit
                       |                     do_IRQ
                       |                     ret_from_intr
                       |                     intel_idle
                       |                     cpuidle_idle_call
                       |                     cpu_idle
                       |                     start_kernel
                       |                     x86_64_start_kernel
                       |          
                        --11.59%-- tick_nohz_restart
                                  tick_nohz_restart_sched_tick
                                  cpu_idle

     0.00%          1      kworker/2:1  [kernel.kallsyms]  [k] queue_delayed_work_on
                |
                --- queue_delayed_work_on
                    do_dbs_timer
                    process_one_work
                    worker_thread
                    kthread
                    kernel_thread_helper

     0.00%          1          swapper  [kernel.kallsyms]  [k] native_read_tsc
                    |
                    --- native_read_tsc
                        read_tsc
                        ktime_get
                        tick_dev_program_event
                        __remove_hrtimer
                        __hrtimer_start_range_ns
                        tick_nohz_stop_sched_tick
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] put_prev_task_idle
                    |
                    --- put_prev_task_idle
                        __schedule
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] resched_task
                    |
                    --- resched_task
                        check_preempt_curr
                        ttwu_do_wakeup
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] tick_program_event
                    |
                    --- tick_program_event
                        __remove_hrtimer
                        hrtimer_try_to_cancel
                        hrtimer_cancel
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] rb_erase
                    |
                    --- rb_erase
                        timerqueue_del
                        __remove_hrtimer
                        hrtimer_try_to_cancel
                        hrtimer_cancel
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] sys_ioctl
                      |
                      --- sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1          swapper  [kernel.kallsyms]  [k] ktime_get
                    |
                    --- ktime_get
                        tick_nohz_stop_sched_tick
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] native_apic_msr_write
                    |
                    --- native_apic_msr_write
                        lapic_next_event
                        tick_dev_program_event
                        __hrtimer_start_range_ns
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] select_nohz_load_balancer
                    |
                    --- select_nohz_load_balancer
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] do_timer
                    |
                    --- do_timer
                        tick_do_update_jiffies64
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] menu_select
                    |
                    --- menu_select
                        cpuidle_idle_call
                        cpu_idle

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] fget_light
                      |
                      --- fget_light
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] thread_return
                      |
                      --- thread_return
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1  fail2ban-server  [kernel.kallsyms]  [k] find_first_bit
            |
            --- find_first_bit
                find_busiest_group
                load_balance
                idle_balance
                thread_return
                schedule_hrtimeout_range_clock
                poll_schedule_timeout
                do_select
                core_sys_select
                sys_select
                system_call_fastpath
                0x7f465715f393
                0x7f465715f393
                0x7f4657ff0b30
                0x7f4658007d80

     0.00%          1      kworker/2:1  [kernel.kallsyms]  [k] free_block
                |
                --- free_block
                    drain_array
                    cache_reap
                    process_one_work
                    worker_thread
                    kthread
                    kernel_thread_helper

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] native_sched_clock
                      |
                      --- native_sched_clock
                          sched_clock
                          idle_balance
                          thread_return
                          0xffffffffa04a8b7d
                          0xffffffffa05bf0f1
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          2          swapper  [kernel.kallsyms]  [k] ktime_get_real
                    |
                    --- ktime_get_real
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                       |          
                        --100.00%-- start_kernel
                                  x86_64_start_kernel

     0.00%          2          swapper  [kernel.kallsyms]  [k] enqueue_entity
                    |
                    --- enqueue_entity
                        enqueue_task_fair
                        ttwu_activate
                        ttwu_do_activate
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                       |          
                       |--72.40%-- tick_nohz_stop_sched_tick
                       |          cpu_idle
                       |          start_kernel
                       |          x86_64_start_kernel
                       |          
                        --27.60%-- intel_idle
                                  cpuidle_idle_call
                                  cpu_idle

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] up
                      |
                      --- up
                          0xffffffffa05bf269
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1            mmfsd  [mmfs26]           [k] 0xaf160         
                      |
                      --- 0xffffffffa05bf160
                          0xffffffffa05c0478
                          0xffffffffa0605afe
                          0xffffffffa04c3c65
                          do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] do_vfs_ioctl
                      |
                      --- do_vfs_ioctl
                          sys_ioctl
                          system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998

     0.00%          1          swapper  [kernel.kallsyms]  [k] netif_receive_skb
                    |
                    --- netif_receive_skb
                        napi_skb_finish
                        ixgbe_clean_rx_irq
                        ixgbe_poll
                        net_rx_action
                        __do_softirq
                        call_softirq
                        do_softirq
                        irq_exit
                        do_IRQ
                        ret_from_intr
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] task_of
                    |
                    --- task_of
                        enqueue_sleeper
                        enqueue_entity
                        enqueue_task_fair
                        ttwu_activate
                        ttwu_do_activate
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] update_stats_wait_end
                    |
                    --- update_stats_wait_end
                        set_next_entity
                        pick_next_task_fair
                        __schedule
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] ttwu_do_wakeup
                    |
                    --- ttwu_do_wakeup
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] enqueue_task
                    |
                    --- enqueue_task
                        ttwu_activate
                        ttwu_do_activate
                        sched_ttwu_do_pending
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] rcu_irq_enter
                    |
                    --- rcu_irq_enter
                        irq_enter
                        scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] timerqueue_add
                    |
                    --- timerqueue_add
                        enqueue_hrtimer
                        __hrtimer_start_range_ns
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] _raw_spin_unlock_irqrestore
                    |
                    --- _raw_spin_unlock_irqrestore
                        __hrtimer_start_range_ns
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] scheduler_ipi
                    |
                    --- scheduler_ipi
                        reschedule_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] leave_mm
                    |
                    --- leave_mm
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] scale_rt_power
                    |
                    --- scale_rt_power
                        update_group_power
                        find_busiest_group
                        load_balance
                        rebalance_domains
                        run_rebalance_domains
                        __do_softirq
                        call_softirq
                        do_softirq
                        irq_exit
                        smp_apic_timer_interrupt
                        apic_timer_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle
                        start_kernel
                        x86_64_start_kernel

     0.00%          1          swapper  [kernel.kallsyms]  [k] check_cpu_stall
                    |
                    --- check_cpu_stall
                        __rcu_pending
                        rcu_check_callbacks
                        update_process_times
                        tick_sched_timer
                        __run_hrtimer
                        hrtimer_interrupt
                        smp_apic_timer_interrupt
                        apic_timer_interrupt
                        intel_idle
                        cpuidle_idle_call
                        cpu_idle

     0.00%          1          swapper  [kernel.kallsyms]  [k] lock_hrtimer_base
                    |
                    --- lock_hrtimer_base
                        __hrtimer_start_range_ns
                        tick_nohz_restart
                        tick_nohz_restart_sched_tick
                        cpu_idle

     0.00%          1            mmfsd  [kernel.kallsyms]  [k] system_call_fastpath
                      |
                      --- system_call_fastpath
                          0x7ffb7c11f3d7
                          0x7ffb7c11f3d7
                          0xffffc900341c3998



#
# (For a higher level overview, try: perf report --sort comm,dso)
#