Hello,
kernel test robot noticed a -8.4% regression of stress-ng.getdent.ops_per_sec on:
commit: 27152bceea1df27ffebb12ac9cd9adbf2c4c3f35 ("eventfs: Move tracing/events to eventfs")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
testcase: stress-ng
test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
parameters:
nr_threads: 10%
disk: 1HDD
testtime: 60s
fs: xfs
class: filesystem
test: getdent
cpufreq_governor: performance
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202308101425.8416d10d-oliver.sang@xxxxxxxxx
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230810/202308101425.8416d10d-oliver.sang@xxxxxxxxx
=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
filesystem/gcc-12/performance/1HDD/xfs/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp8/getdent/stress-ng/60s
commit:
5bdcd5f533 ("eventfs: Implement removal of meta data from eventfs")
27152bceea ("eventfs: Move tracing/events to eventfs")
5bdcd5f5331a276a 27152bceea1df27ffebb12ac9cd
---------------- ---------------------------
%stddev %change %stddev
\ | \
8.61 +1.5% 8.74 iostat.cpu.system
379.67 ± 11% +34.2% 509.50 ± 13% perf-c2c.HITM.remote
15882418 ± 7% -14.5% 13581053 ± 10% numa-numastat.node1.local_node
15926621 ± 7% -14.5% 13610475 ± 10% numa-numastat.node1.numa_hit
15926831 ± 7% -14.5% 13610636 ± 10% numa-vmstat.node1.numa_hit
15882627 ± 7% -14.5% 13581214 ± 10% numa-vmstat.node1.numa_local
38443696 -8.4% 35207563 stress-ng.getdent.ops
640728 -8.4% 586792 stress-ng.getdent.ops_per_sec
26234871 -8.6% 23974680 stress-ng.time.minor_page_faults
41306 +2.2% 42218 proc-vmstat.nr_slab_unreclaimable
29828360 -8.6% 27268832 proc-vmstat.numa_hit
29762067 -8.6% 27201349 proc-vmstat.numa_local
31109897 ± 2% -9.2% 28250839 ± 2% proc-vmstat.pgalloc_normal
26551020 -8.5% 24287915 proc-vmstat.pgfault
31026942 ± 2% -9.2% 28164597 ± 2% proc-vmstat.pgfree
12911 ± 13% -9.9% 11638 proc-vmstat.pgreuse
3.097e+09 -4.2% 2.967e+09 perf-stat.i.branch-instructions
0.74 +0.0 0.77 perf-stat.i.branch-miss-rate%
1.581e+08 -2.6% 1.541e+08 perf-stat.i.cache-references
1.50 +5.2% 1.58 perf-stat.i.cpi
1067449 ± 2% -6.7% 995871 ± 2% perf-stat.i.dTLB-load-misses
3.831e+09 -4.7% 3.652e+09 perf-stat.i.dTLB-loads
0.14 -0.0 0.14 perf-stat.i.dTLB-store-miss-rate%
3287323 -8.6% 3005920 perf-stat.i.dTLB-store-misses
2.256e+09 -6.3% 2.115e+09 perf-stat.i.dTLB-stores
1.484e+10 -4.4% 1.419e+10 perf-stat.i.instructions
0.68 -3.4% 0.66 perf-stat.i.ipc
145.93 -4.9% 138.83 perf-stat.i.metric.M/sec
422840 -8.5% 386712 perf-stat.i.minor-faults
7303977 +5.8% 7728544 perf-stat.i.node-load-misses
76.90 ± 2% -5.5 71.36 ± 4% perf-stat.i.node-store-miss-rate%
6875532 -3.1% 6661427 perf-stat.i.node-store-misses
422840 -8.5% 386712 perf-stat.i.page-faults
0.74 +0.0 0.78 perf-stat.overall.branch-miss-rate%
28.72 ± 2% +1.5 30.24 ± 2% perf-stat.overall.cache-miss-rate%
1.49 +5.2% 1.57 perf-stat.overall.cpi
0.15 -0.0 0.14 perf-stat.overall.dTLB-store-miss-rate%
0.67 -4.9% 0.64 perf-stat.overall.ipc
78.18 ± 2% -5.2 72.99 ± 4% perf-stat.overall.node-store-miss-rate%
3.047e+09 -4.2% 2.919e+09 perf-stat.ps.branch-instructions
1.556e+08 -2.6% 1.516e+08 perf-stat.ps.cache-references
1050526 ± 2% -6.7% 979856 ± 2% perf-stat.ps.dTLB-load-misses
3.77e+09 -4.7% 3.594e+09 perf-stat.ps.dTLB-loads
3235246 -8.6% 2957606 perf-stat.ps.dTLB-store-misses
2.22e+09 -6.3% 2.081e+09 perf-stat.ps.dTLB-stores
1.46e+10 -4.4% 1.396e+10 perf-stat.ps.instructions
416143 -8.6% 380496 perf-stat.ps.minor-faults
7187567 +5.8% 7604602 perf-stat.ps.node-load-misses
6766067 -3.1% 6554471 perf-stat.ps.node-store-misses
416143 -8.6% 380496 perf-stat.ps.page-faults
9.202e+11 -4.5% 8.784e+11 perf-stat.total.instructions
45.38 -3.9 41.44 perf-profile.calltrace.cycles-pp.syscall
44.32 -3.9 40.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall
44.13 -3.9 40.26 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
22.21 -1.9 20.27 perf-profile.calltrace.cycles-pp.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
21.62 -1.9 19.69 perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
21.60 -1.9 19.68 perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
13.82 ± 3% -1.9 11.91 ± 3% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
21.14 -1.9 19.24 perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
5.33 ± 6% -0.9 4.40 ± 6% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2
3.71 ± 7% -0.7 2.98 ± 7% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open
6.19 ± 2% -0.6 5.63 ± 2% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2
4.50 ± 2% -0.5 4.00 ± 4% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open
4.42 ± 2% -0.4 3.98 ± 2% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
4.48 ± 2% -0.4 4.05 ± 2% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.50 ± 2% -0.4 4.08 ± 3% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.41 ± 2% -0.4 4.00 ± 3% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
7.10 -0.4 6.70 ± 2% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
1.85 ± 9% -0.3 1.52 ± 10% perf-profile.calltrace.cycles-pp.down_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat
1.57 ± 6% -0.3 1.23 ± 6% perf-profile.calltrace.cycles-pp.up_read.kernfs_iop_permission.inode_permission.link_path_walk.path_openat
0.96 ± 6% -0.3 0.64 ± 15% perf-profile.calltrace.cycles-pp.scan_positives.dcache_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
1.36 ± 5% -0.3 1.08 ± 5% perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_openat.do_filp_open.do_sys_openat2
1.95 ± 4% -0.3 1.68 ± 6% perf-profile.calltrace.cycles-pp.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk.path_openat
1.32 ± 4% -0.3 1.05 ± 12% perf-profile.calltrace.cycles-pp.dcache_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.94 ± 4% -0.3 0.67 ± 12% perf-profile.calltrace.cycles-pp.scan_positives.dcache_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
2.82 ± 3% -0.3 2.55 ± 2% perf-profile.calltrace.cycles-pp.dput.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare
1.32 ± 3% -0.3 1.06 ± 11% perf-profile.calltrace.cycles-pp.dcache_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.76 ± 6% -0.3 0.50 ± 44% perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_openat.do_filp_open
2.35 ± 2% -0.2 2.12 perf-profile.calltrace.cycles-pp.dentry_kill.dput.__fput.task_work_run.exit_to_user_mode_loop
2.62 ± 2% -0.2 2.41 ± 4% perf-profile.calltrace.cycles-pp.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
0.56 ± 3% -0.2 0.34 ± 70% perf-profile.calltrace.cycles-pp.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64
1.38 ± 5% -0.2 1.17 ± 6% perf-profile.calltrace.cycles-pp.down_read.kernfs_dop_revalidate.lookup_fast.walk_component.link_path_walk
2.06 ± 2% -0.2 1.86 perf-profile.calltrace.cycles-pp.__dentry_kill.dentry_kill.dput.__fput.task_work_run
2.44 ± 2% -0.2 2.26 ± 5% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
2.34 -0.2 2.17 ± 5% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
2.02 ± 2% -0.1 1.87 ± 3% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
1.24 ± 2% -0.1 1.10 ± 2% perf-profile.calltrace.cycles-pp.evict.__dentry_kill.dentry_kill.dput.__fput
1.28 ± 2% -0.1 1.16 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock.__d_lookup.d_hash_and_lookup.proc_fill_cache.proc_pident_readdir
1.52 ± 2% -0.1 1.40 ± 2% perf-profile.calltrace.cycles-pp.proc_readdir_de.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.10 ± 3% -0.1 0.99 ± 5% perf-profile.calltrace.cycles-pp.security_file_alloc.init_file.alloc_empty_file.path_openat.do_filp_open
0.90 ± 3% -0.1 0.79 ± 5% perf-profile.calltrace.cycles-pp.apparmor_file_alloc_security.security_file_alloc.init_file.alloc_empty_file.path_openat
0.68 -0.1 0.57 ± 6% perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.iterate_dir.__x64_sys_getdents.do_syscall_64
1.58 ± 3% -0.1 1.48 ± 6% perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.71 -0.1 0.61 ± 6% perf-profile.calltrace.cycles-pp.security_file_permission.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.76 ± 5% -0.1 0.67 ± 4% perf-profile.calltrace.cycles-pp.security_file_free.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare
1.14 ± 3% -0.1 1.06 ± 5% perf-profile.calltrace.cycles-pp.security_file_open.do_dentry_open.do_open.path_openat.do_filp_open
0.74 ± 5% -0.1 0.66 ± 4% perf-profile.calltrace.cycles-pp.apparmor_file_free_security.security_file_free.__fput.task_work_run.exit_to_user_mode_loop
0.61 ± 4% -0.1 0.55 perf-profile.calltrace.cycles-pp._raw_read_lock.proc_readdir_de.iterate_dir.__x64_sys_getdents64.do_syscall_64
0.60 ± 2% -0.1 0.54 ± 5% perf-profile.calltrace.cycles-pp._raw_read_lock.proc_readdir_de.iterate_dir.__x64_sys_getdents.do_syscall_64
0.63 ± 3% -0.1 0.58 ± 5% perf-profile.calltrace.cycles-pp.vma_alloc_folio.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
0.66 -0.1 0.60 ± 6% perf-profile.calltrace.cycles-pp.sync_regs.asm_exc_page_fault
0.00 +1.5 1.50 ± 18% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.create_dentry.dcache_dir_open_wrapper.do_dentry_open
0.00 +2.1 2.14 ± 16% perf-profile.calltrace.cycles-pp.__mutex_lock.create_dentry.dcache_dir_open_wrapper.do_dentry_open.do_open
0.00 +2.4 2.41 ± 17% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.eventfs_release.__fput.task_work_run
0.00 +2.8 2.76 ± 14% perf-profile.calltrace.cycles-pp.create_dentry.dcache_dir_open_wrapper.do_dentry_open.do_open.path_openat
3.66 +3.1 6.75 ± 5% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
2.45 ± 2% +3.2 5.69 ± 6% perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_filp_open.do_sys_openat2
0.00 +3.4 3.35 ± 13% perf-profile.calltrace.cycles-pp.dcache_dir_open_wrapper.do_dentry_open.do_open.path_openat.do_filp_open
0.00 +3.4 3.36 ± 17% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_release.__fput.task_work_run.exit_to_user_mode_loop
6.22 +4.0 10.27 ± 5% perf-profile.calltrace.cycles-pp.__close
5.87 +4.1 9.94 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
5.82 +4.1 9.88 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
4.80 +4.1 8.93 ± 7% perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
4.85 +4.1 8.98 ± 7% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
4.82 +4.1 8.96 ± 7% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
4.65 +4.1 8.79 ± 7% perf-profile.calltrace.cycles-pp.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
4.16 ± 2% +4.2 8.32 ± 7% perf-profile.calltrace.cycles-pp.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
0.00 +4.4 4.41 ± 15% perf-profile.calltrace.cycles-pp.eventfs_release.__fput.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare
45.79 -4.0 41.83 perf-profile.children.cycles-pp.syscall
42.82 -3.8 38.98 perf-profile.children.cycles-pp.iterate_dir
22.24 -1.9 20.30 perf-profile.children.cycles-pp.__x64_sys_getdents
21.62 -1.9 19.70 perf-profile.children.cycles-pp.__x64_sys_getdents64
13.87 ± 3% -1.9 11.95 ± 3% perf-profile.children.cycles-pp.link_path_walk
11.85 ± 4% -1.3 10.53 ± 3% perf-profile.children.cycles-pp._raw_spin_lock
11.98 ± 2% -1.1 10.86 ± 2% perf-profile.children.cycles-pp.proc_readdir_de
6.13 ± 6% -1.0 5.10 ± 6% perf-profile.children.cycles-pp.inode_permission
5.63 ± 10% -1.0 4.62 ± 7% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
8.98 ± 2% -0.8 8.13 ± 2% perf-profile.children.cycles-pp.proc_tgid_net_readdir
4.32 ± 7% -0.8 3.50 ± 7% perf-profile.children.cycles-pp.kernfs_iop_permission
6.58 ± 2% -0.7 5.92 ± 3% perf-profile.children.cycles-pp.lookup_fast
1.91 ± 5% -0.6 1.32 ± 13% perf-profile.children.cycles-pp.scan_positives
6.23 ± 2% -0.6 5.66 ± 2% perf-profile.children.cycles-pp.walk_component
2.65 ± 3% -0.5 2.12 ± 11% perf-profile.children.cycles-pp.dcache_readdir
2.72 ± 4% -0.5 2.19 ± 5% perf-profile.children.cycles-pp.lockref_put_or_lock
7.41 -0.5 6.93 ± 2% perf-profile.children.cycles-pp.dput
7.12 -0.4 6.71 ± 2% perf-profile.children.cycles-pp.open_last_lookups
4.04 ± 3% -0.4 3.66 ± 2% perf-profile.children.cycles-pp._raw_read_lock
1.78 ± 5% -0.4 1.40 ± 5% perf-profile.children.cycles-pp.step_into
2.49 ± 3% -0.3 2.15 ± 6% perf-profile.children.cycles-pp.kernfs_dop_revalidate
2.64 -0.2 2.42 ± 4% perf-profile.children.cycles-pp.alloc_empty_file
2.46 ± 2% -0.2 2.28 ± 5% perf-profile.children.cycles-pp.do_vmi_align_munmap
2.37 -0.2 2.20 ± 5% perf-profile.children.cycles-pp.handle_mm_fault
2.66 ± 2% -0.2 2.50 ± 2% perf-profile.children.cycles-pp.dentry_kill
1.28 -0.2 1.12 ± 5% perf-profile.children.cycles-pp.security_file_permission
1.20 -0.1 1.06 ± 6% perf-profile.children.cycles-pp.apparmor_file_permission
1.27 ± 2% -0.1 1.13 ± 2% perf-profile.children.cycles-pp.evict
1.54 ± 2% -0.1 1.41 ± 3% perf-profile.children.cycles-pp.filldir64
0.90 ± 12% -0.1 0.78 ± 3% perf-profile.children.cycles-pp.lockref_get_not_dead
1.01 ± 11% -0.1 0.89 ± 3% perf-profile.children.cycles-pp.__legitimize_path
0.99 ± 11% -0.1 0.88 ± 2% perf-profile.children.cycles-pp.try_to_unlazy
1.11 ± 3% -0.1 1.00 ± 4% perf-profile.children.cycles-pp.security_file_alloc
2.24 ± 2% -0.1 2.13 perf-profile.children.cycles-pp.__dentry_kill
0.91 ± 3% -0.1 0.80 ± 5% perf-profile.children.cycles-pp.apparmor_file_alloc_security
1.58 ± 3% -0.1 1.48 ± 6% perf-profile.children.cycles-pp.unmap_region
0.77 ± 5% -0.1 0.68 ± 4% perf-profile.children.cycles-pp.security_file_free
0.75 ± 5% -0.1 0.66 ± 4% perf-profile.children.cycles-pp.apparmor_file_free_security
0.33 ± 7% -0.1 0.26 ± 4% perf-profile.children.cycles-pp.__traverse_mounts
0.43 ± 6% -0.1 0.36 ± 6% perf-profile.children.cycles-pp.generic_permission
0.60 ± 5% -0.1 0.54 ± 4% perf-profile.children.cycles-pp.pde_put
0.96 -0.1 0.90 ± 4% perf-profile.children.cycles-pp.__entry_text_start
0.56 ± 4% -0.1 0.51 ± 7% perf-profile.children.cycles-pp.strncpy_from_user
0.64 ± 3% -0.1 0.59 ± 4% perf-profile.children.cycles-pp.vma_alloc_folio
0.42 ± 8% -0.1 0.37 ± 5% perf-profile.children.cycles-pp.strlcat
0.42 ± 5% -0.1 0.37 ± 8% perf-profile.children.cycles-pp.zap_pte_range
0.43 ± 4% -0.0 0.38 ± 8% perf-profile.children.cycles-pp.zap_pmd_range
0.44 ± 5% -0.0 0.40 ± 6% perf-profile.children.cycles-pp.unmap_page_range
0.33 ± 4% -0.0 0.29 ± 3% perf-profile.children.cycles-pp.proc_evict_inode
0.14 ± 4% -0.0 0.10 ± 11% perf-profile.children.cycles-pp.set_nlink
0.23 ± 6% -0.0 0.20 ± 7% perf-profile.children.cycles-pp.inode_wait_for_writeback
0.26 ± 4% -0.0 0.24 ± 5% perf-profile.children.cycles-pp.get_proc_task_net
0.10 ± 8% -0.0 0.07 ± 20% perf-profile.children.cycles-pp.proc_match
0.30 ± 2% -0.0 0.28 ± 3% perf-profile.children.cycles-pp.stress_time_now
0.13 ± 5% -0.0 0.11 ± 6% perf-profile.children.cycles-pp.try_to_wake_up
0.10 ± 5% -0.0 0.08 ± 8% perf-profile.children.cycles-pp.mas_wr_store_entry
0.08 ± 9% +0.0 0.10 ± 5% perf-profile.children.cycles-pp.get_partial_node
0.25 ± 10% +0.1 0.30 ± 5% perf-profile.children.cycles-pp.d_alloc_cursor
0.60 ± 2% +0.1 0.67 ± 4% perf-profile.children.cycles-pp.__call_rcu_common
0.16 ± 12% +0.1 0.28 ± 9% perf-profile.children.cycles-pp.dcache_dir_close
1.26 ± 2% +0.2 1.44 ± 3% perf-profile.children.cycles-pp.lockref_put_return
0.00 +0.2 0.20 ± 14% perf-profile.children.cycles-pp.osq_unlock
0.45 ± 4% +0.3 0.76 ± 2% perf-profile.children.cycles-pp.lockref_get
0.00 +0.6 0.63 ± 14% perf-profile.children.cycles-pp.mutex_spin_on_owner
0.32 ± 8% +0.8 1.13 ± 8% perf-profile.children.cycles-pp.mutex_lock
0.14 ± 6% +1.0 1.09 ± 11% perf-profile.children.cycles-pp.mutex_unlock
0.00 +2.8 2.77 ± 14% perf-profile.children.cycles-pp.create_dentry
3.67 +3.1 6.77 ± 5% perf-profile.children.cycles-pp.do_open
2.48 ± 3% +3.2 5.72 ± 6% perf-profile.children.cycles-pp.do_dentry_open
0.00 +3.4 3.36 ± 13% perf-profile.children.cycles-pp.dcache_dir_open_wrapper
0.00 +3.9 3.92 ± 17% perf-profile.children.cycles-pp.osq_lock
6.34 +4.0 10.38 ± 5% perf-profile.children.cycles-pp.__close
5.09 +4.1 9.19 ± 6% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
4.94 +4.1 9.06 ± 7% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
4.83 +4.1 8.96 ± 7% perf-profile.children.cycles-pp.exit_to_user_mode_loop
4.68 +4.1 8.82 ± 7% perf-profile.children.cycles-pp.task_work_run
4.19 ± 2% +4.2 8.35 ± 7% perf-profile.children.cycles-pp.__fput
0.00 +4.4 4.42 ± 14% perf-profile.children.cycles-pp.eventfs_release
0.00 +5.5 5.51 ± 16% perf-profile.children.cycles-pp.__mutex_lock
5.48 ± 10% -1.0 4.48 ± 8% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
5.30 ± 3% -0.6 4.74 ± 2% perf-profile.self.cycles-pp.proc_readdir_de
3.89 ± 3% -0.4 3.52 ± 2% perf-profile.self.cycles-pp._raw_read_lock
1.62 ± 4% -0.4 1.27 ± 7% perf-profile.self.cycles-pp.lockref_put_or_lock
1.02 ± 3% -0.1 0.87 ± 6% perf-profile.self.cycles-pp.inode_permission
1.10 -0.1 0.96 ± 6% perf-profile.self.cycles-pp.apparmor_file_permission
1.24 -0.1 1.14 ± 3% perf-profile.self.cycles-pp.filldir64
0.86 ± 3% -0.1 0.76 ± 5% perf-profile.self.cycles-pp.apparmor_file_alloc_security
1.10 ± 3% -0.1 1.01 ± 5% perf-profile.self.cycles-pp.apparmor_file_open
0.72 ± 4% -0.1 0.64 ± 4% perf-profile.self.cycles-pp.apparmor_file_free_security
0.57 ± 5% -0.1 0.50 ± 6% perf-profile.self.cycles-pp.pde_put
0.35 ± 9% -0.1 0.28 ± 4% perf-profile.self.cycles-pp.generic_permission
0.44 ± 6% -0.1 0.38 ± 5% perf-profile.self.cycles-pp.link_path_walk
0.51 ± 7% -0.1 0.45 ± 6% perf-profile.self.cycles-pp.do_dentry_open
0.42 ± 3% -0.1 0.36 ± 6% perf-profile.self.cycles-pp.d_alloc_parallel
0.40 ± 7% -0.1 0.35 ± 5% perf-profile.self.cycles-pp.strlcat
0.44 ± 6% -0.0 0.40 ± 3% perf-profile.self.cycles-pp.proc_lookup_de
0.13 ± 6% -0.0 0.09 ± 11% perf-profile.self.cycles-pp.set_nlink
0.26 ± 4% -0.0 0.23 ± 5% perf-profile.self.cycles-pp.__legitimize_mnt
0.14 ± 6% -0.0 0.12 ± 3% perf-profile.self.cycles-pp.get_proc_task_net
0.11 ± 6% -0.0 0.09 ± 7% perf-profile.self.cycles-pp.__x64_sys_getdents
0.12 ± 4% -0.0 0.10 ± 10% perf-profile.self.cycles-pp.perf_event_mmap_output
0.08 ± 8% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.do_anonymous_page
0.13 ± 4% +0.0 0.17 ± 8% perf-profile.self.cycles-pp.rcu_segcblist_enqueue
0.28 ± 9% +0.1 0.36 ± 12% perf-profile.self.cycles-pp.dcache_readdir
1.23 ± 3% +0.2 1.40 ± 4% perf-profile.self.cycles-pp.lockref_put_return
0.00 +0.2 0.20 ± 14% perf-profile.self.cycles-pp.osq_unlock
0.40 ± 3% +0.3 0.71 ± 2% perf-profile.self.cycles-pp.lockref_get
0.00 +0.6 0.62 ± 15% perf-profile.self.cycles-pp.mutex_spin_on_owner
0.00 +0.8 0.76 ± 16% perf-profile.self.cycles-pp.__mutex_lock
0.24 ± 10% +0.8 1.00 ± 9% perf-profile.self.cycles-pp.mutex_lock
0.13 ± 7% +0.9 1.06 ± 11% perf-profile.self.cycles-pp.mutex_unlock
0.00 +3.9 3.90 ± 17% perf-profile.self.cycles-pp.osq_lock
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
