Re: [linus:master] [mm] f95bdb700b: stress-ng.ramfs.ops_per_sec -88.8% regression

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On 2023/5/23 09:35, kernel test robot wrote:
Hello,

kernel test robot noticed a -88.8% regression of stress-ng.ramfs.ops_per_sec on:

commit: f95bdb700bc6bb74e1199b1f5f90c613e152cfa7 ("mm: vmscan: make global slab shrink lockless")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

Hi,

I see that the reproduction program you pasted is the following:

```
dmsetup remove_all
wipefs -a --force /dev/sda1
mkfs -t ext4 -q -F /dev/sda1
mkdir -p /fs/sda1
mount -t ext4 /dev/sda1 /fs/sda1

for cpu_dir in /sys/devices/system/cpu/cpu[0-9]*
do
	online_file="$cpu_dir"/online
	[ -f "$online_file" ] && [ "$(cat "$online_file")" -eq 0 ] && continue

	file="$cpu_dir"/cpufreq/scaling_governor
	[ -f "$file" ] && echo "performance" > "$file"
done

 "mkdir" "-p" "/mnt/stress-ng"
 "mount" "/dev/sda1" "/mnt/stress-ng"
"stress-ng" "--timeout" "60" "--times" "--verify" "--metrics-brief" "--ramfs" "9"
```

Looks like it will do mount and umount stress tests.
The commit 475733dda5ae ("mm: vmscan: add shrinker_srcu_generation")
has optimized the umount, can you test it again with this commit?

Thanks,
Qi


testcase: stress-ng
test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz (Cascade Lake) with 512G memory
parameters:

	nr_threads: 10%
	disk: 1HDD
	testtime: 60s
	fs: ext4
	class: os
	test: ramfs
	cpufreq_governor: performance


If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <yujie.liu@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202305230837.db2c233f-yujie.liu@xxxxxxxxx


Details are as below:

=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
   os/gcc-11/performance/1HDD/ext4/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-csl-2sp7/ramfs/stress-ng/60s

commit:
   42c9db3970 ("mm: vmscan: add a map_nr_max field to shrinker_info")
   f95bdb700b ("mm: vmscan: make global slab shrink lockless")

42c9db39704839ee f95bdb700bc6bb74e1199b1f5f9
---------------- ---------------------------
          %stddev     %change         %stddev
              \          |                \
    1408764           -88.8%     157151 ±  8%  stress-ng.ramfs.ops
      23479           -88.8%       2619 ±  8%  stress-ng.ramfs.ops_per_sec
    1310766           -88.3%     153888 ±  9%  stress-ng.time.involuntary_context_switches
     425.00           -82.7%      73.67 ± 16%  stress-ng.time.percent_of_cpu_this_job_got
     251.56           -82.7%      43.61 ± 15%  stress-ng.time.system_time
      12.68 ± 20%     -80.1%       2.52 ± 34%  stress-ng.time.user_time
    4306933           -88.1%     513985 ±  7%  stress-ng.time.voluntary_context_switches
       1.09 ±  9%      +3.7%       1.13 ± 10%  boot-time.smp_boot
    9358706           -27.4%    6793950        cpuidle..usage
      93.32            +4.7%      97.73        iostat.cpu.idle
       5.78           -70.0%       1.74 ±  4%  iostat.cpu.system
       4.33 ± 10%     -73.1%       1.17 ± 31%  vmstat.procs.r
     250072           -84.7%      38245 ±  5%  vmstat.system.cs
     229190           -54.6%     104141        vmstat.system.in
       9218 ± 15%     -31.3%       6336 ±  5%  meminfo.Active
       5681 ±  2%     -39.8%       3421 ± 10%  meminfo.Active(anon)
      53760 ±  4%     -15.0%      45717        meminfo.Percpu
      12396           -19.4%       9993 ±  3%  meminfo.Shmem
       0.75            +0.5        1.27 ±  9%  mpstat.cpu.all.irq%
       0.13 ±  3%      -0.0        0.10 ±  4%  mpstat.cpu.all.soft%
       5.00            -4.7        0.34 ± 16%  mpstat.cpu.all.sys%
       0.88 ±  4%      -0.4        0.51 ±  4%  mpstat.cpu.all.usr%
     494448 ± 13%     -55.9%     217823 ±  9%  numa-numastat.node0.local_node
     553385 ± 12%     -52.2%     264460 ±  9%  numa-numastat.node0.numa_hit
     598515 ± 11%     -68.7%     187452 ± 12%  numa-numastat.node1.local_node
     632713 ± 11%     -63.9%     228349 ± 11%  numa-numastat.node1.numa_hit
       6462 ± 14%     -39.9%       3884 ± 15%  numa-meminfo.node1.Active
       4789 ±  5%     -52.6%       2272 ± 14%  numa-meminfo.node1.Active(anon)
    1451867 ± 84%     -91.1%     128582 ± 72%  numa-meminfo.node1.FilePages
    2362122 ± 53%     -55.5%    1050305 ± 16%  numa-meminfo.node1.MemUsed
       6655 ± 20%     -40.3%       3974 ± 17%  numa-meminfo.node1.Shmem
     159872 ± 13%     -23.2%     122702 ± 15%  numa-meminfo.node1.Slab
    1441661 ± 85%     -91.5%     122024 ± 77%  numa-meminfo.node1.Unevictable
     553499 ± 12%     -52.2%     264583 ±  9%  numa-vmstat.node0.numa_hit
     494562 ± 13%     -55.9%     217947 ±  9%  numa-vmstat.node0.numa_local
       1196 ±  5%     -52.6%     567.83 ± 14%  numa-vmstat.node1.nr_active_anon
     362966 ± 84%     -91.1%      32145 ± 72%  numa-vmstat.node1.nr_file_pages
       1663 ± 20%     -40.3%     993.33 ± 17%  numa-vmstat.node1.nr_shmem
     360414 ± 85%     -91.5%      30505 ± 77%  numa-vmstat.node1.nr_unevictable
       1196 ±  5%     -52.6%     567.83 ± 14%  numa-vmstat.node1.nr_zone_active_anon
     360414 ± 85%     -91.5%      30505 ± 77%  numa-vmstat.node1.nr_zone_unevictable
     632698 ± 11%     -63.9%     228516 ± 11%  numa-vmstat.node1.numa_hit
     598500 ± 11%     -68.7%     187619 ± 12%  numa-vmstat.node1.numa_local
       1420 ±  2%     -39.8%     855.00 ± 10%  proc-vmstat.nr_active_anon
       3098           -19.4%       2498 ±  3%  proc-vmstat.nr_shmem
      30843            -7.7%      28469        proc-vmstat.nr_slab_reclaimable
      54154            -7.7%      49970        proc-vmstat.nr_slab_unreclaimable
       1420 ±  2%     -39.8%     855.00 ± 10%  proc-vmstat.nr_zone_active_anon
    1187707           -58.4%     494370 ±  2%  proc-vmstat.numa_hit
    1096738           -62.9%     406835 ±  3%  proc-vmstat.numa_local
      93101            -6.0%      87525        proc-vmstat.numa_other
       3089 ± 11%     -69.4%     945.17 ±  5%  proc-vmstat.pgactivate
    1431073           -62.4%     538512 ±  3%  proc-vmstat.pgalloc_normal
    1272095           -69.3%     390780 ±  4%  proc-vmstat.pgfree
     221.33           -72.0%      62.00 ±  3%  turbostat.Avg_MHz
       8.02            -4.2        3.80 ±  3%  turbostat.Busy%
       2761           -40.6%       1641        turbostat.Bzy_MHz
    2052119 ±  9%     -96.5%      72643 ± 20%  turbostat.C1
       2.78 ±  4%      -2.5        0.30 ± 18%  turbostat.C1%
    1984776 ±  2%     -58.3%     827902 ±  7%  turbostat.C1E
    5247470           +11.4%    5843977        turbostat.C6
       1.89 ±  7%    +350.5%       8.50 ± 54%  turbostat.CPU%c6
      52.00 ±  2%     -11.2%      46.17 ±  3%  turbostat.CoreTmp
       0.20 ±  2%     +21.2%       0.24 ±  3%  turbostat.IPC
   14915294           -54.2%    6833094 ±  2%  turbostat.IRQ
      52057           -47.7%      27209 ±  8%  turbostat.POLL
       0.01            -0.0        0.00        turbostat.POLL%
       0.77 ±  8%    +516.9%       4.75 ± 94%  turbostat.Pkg%pc2
      52.00 ±  2%     -11.2%      46.17 ±  3%  turbostat.PkgTmp
     168.06           -21.8%     131.38        turbostat.PkgWatt
      37.48            -3.0%      36.38        turbostat.RAMWatt
  2.822e+09 ±  2%     -68.8%  8.811e+08 ±  5%  perf-stat.i.branch-instructions
       1.19            +0.8        1.96 ±  8%  perf-stat.i.branch-miss-rate%
   32471421 ±  2%     -48.5%   16730947 ±  7%  perf-stat.i.branch-misses
      21.01 ±  5%     -14.8        6.21 ± 18%  perf-stat.i.cache-miss-rate%
   35115410           -91.4%    3022306 ± 16%  perf-stat.i.cache-misses
  1.658e+08 ±  6%     -69.7%   50263818 ± 13%  perf-stat.i.cache-references
     261530           -84.8%      39659 ±  6%  perf-stat.i.context-switches
   2.07e+10           -74.6%  5.248e+09 ±  2%  perf-stat.i.cpu-cycles
       1143 ±  6%     -55.0%     514.25 ± 18%  perf-stat.i.cpu-migrations
     613.99 ±  2%    +206.8%       1883 ± 18%  perf-stat.i.cycles-between-cache-misses
       0.04 ±  8%      +0.0        0.09 ± 23%  perf-stat.i.dTLB-load-miss-rate%
    1337737 ±  6%     -38.9%     817401 ± 21%  perf-stat.i.dTLB-load-misses
  3.312e+09 ±  3%     -69.4%  1.014e+09 ±  5%  perf-stat.i.dTLB-loads
     245827 ±  3%     -66.3%      82725 ± 16%  perf-stat.i.dTLB-store-misses
  1.604e+09 ±  2%     -68.3%  5.086e+08 ±  5%  perf-stat.i.dTLB-stores
      54.44            -9.1       45.36 ±  5%  perf-stat.i.iTLB-load-miss-rate%
    3408503           -64.7%    1204595 ±  6%  perf-stat.i.iTLB-load-misses
    2867132           -48.3%    1481327 ±  7%  perf-stat.i.iTLB-loads
  1.421e+10 ±  2%     -70.2%  4.231e+09 ±  5%  perf-stat.i.instructions
       4234 ±  3%     -16.3%       3542 ±  6%  perf-stat.i.instructions-per-iTLB-miss
       0.69           +16.4%       0.80 ±  4%  perf-stat.i.ipc
       0.22           -74.7%       0.05 ±  2%  perf-stat.i.metric.GHz
     372.98           +51.6%     565.34 ± 12%  perf-stat.i.metric.K/sec
      82.31 ±  2%     -69.6%      25.02 ±  5%  perf-stat.i.metric.M/sec
   10453834 ±  3%     -92.0%     832079 ± 20%  perf-stat.i.node-load-misses
     879828           -91.8%      71803 ± 17%  perf-stat.i.node-loads
      96.34           -10.8       85.52 ±  6%  perf-stat.i.node-store-miss-rate%
   19057141 ±  2%     -96.0%     771338 ± 33%  perf-stat.i.node-store-misses
     379581 ±  4%     -80.4%      74536 ± 16%  perf-stat.i.node-stores
       1.15            +0.8        1.90 ±  6%  perf-stat.overall.branch-miss-rate%
      21.25 ±  6%     -15.2        6.08 ± 17%  perf-stat.overall.cache-miss-rate%
       1.46 ±  2%     -14.7%       1.24 ±  4%  perf-stat.overall.cpi
     589.71 ±  2%    +203.1%       1787 ± 17%  perf-stat.overall.cycles-between-cache-misses
       0.04 ±  9%      +0.0        0.08 ± 21%  perf-stat.overall.dTLB-load-miss-rate%
      54.31            -9.4       44.87 ±  5%  perf-stat.overall.iTLB-load-miss-rate%
       4169 ±  3%     -15.5%       3521 ±  6%  perf-stat.overall.instructions-per-iTLB-miss
       0.69 ±  2%     +17.5%       0.81 ±  4%  perf-stat.overall.ipc
      98.05            -8.1       89.98 ±  4%  perf-stat.overall.node-store-miss-rate%
  2.777e+09 ±  2%     -68.8%   8.67e+08 ±  5%  perf-stat.ps.branch-instructions
   31948261 ±  2%     -48.5%   16462168 ±  7%  perf-stat.ps.branch-misses
   34551107           -91.4%    2973956 ± 15%  perf-stat.ps.cache-misses
  1.632e+08 ±  6%     -69.7%   49465945 ± 13%  perf-stat.ps.cache-references
     257331           -84.8%      39027 ±  6%  perf-stat.ps.context-switches
  2.037e+10           -74.6%  5.165e+09 ±  2%  perf-stat.ps.cpu-cycles
       1124 ±  6%     -55.0%     506.01 ± 18%  perf-stat.ps.cpu-migrations
    1316371 ±  6%     -38.9%     804455 ± 21%  perf-stat.ps.dTLB-load-misses
  3.258e+09 ±  3%     -69.4%  9.975e+08 ±  5%  perf-stat.ps.dTLB-loads
     241892 ±  3%     -66.3%      81415 ± 16%  perf-stat.ps.dTLB-store-misses
  1.578e+09 ±  2%     -68.3%  5.004e+08 ±  5%  perf-stat.ps.dTLB-stores
    3353793           -64.7%    1185377 ±  6%  perf-stat.ps.iTLB-load-misses
    2821090           -48.3%    1457697 ±  7%  perf-stat.ps.iTLB-loads
  1.398e+10 ±  2%     -70.2%  4.163e+09 ±  5%  perf-stat.ps.instructions
   10285826 ±  3%     -92.0%     818754 ± 20%  perf-stat.ps.node-load-misses
     865684           -91.8%      70644 ± 17%  perf-stat.ps.node-loads
   18750865 ±  2%     -96.0%     758931 ± 33%  perf-stat.ps.node-store-misses
     373508 ±  4%     -80.4%      73345 ± 16%  perf-stat.ps.node-stores
   8.75e+11 ±  2%     -69.9%  2.637e+11 ±  6%  perf-stat.total.instructions
      18.61           -10.1        8.48 ± 19%  perf-profile.calltrace.cycles-pp.mount
      18.56           -10.1        8.46 ± 19%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.mount
      18.56           -10.1        8.46 ± 19%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.mount
      18.52           -10.1        8.44 ± 19%  perf-profile.calltrace.cycles-pp.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe.mount
      17.64            -9.4        8.22 ± 19%  perf-profile.calltrace.cycles-pp.do_new_mount.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe.mount
      15.74            -7.5        8.29 ± 22%  perf-profile.calltrace.cycles-pp.umount2
      15.58            -7.4        8.14 ± 21%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.umount2
      15.56            -7.4        8.13 ± 21%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.umount2
      13.19 ±  2%      -6.9        6.33 ± 20%  perf-profile.calltrace.cycles-pp.__x64_sys_umount.do_syscall_64.entry_SYSCALL_64_after_hwframe.umount2
      11.28 ±  3%      -5.6        5.64 ± 22%  perf-profile.calltrace.cycles-pp.path_umount.__x64_sys_umount.do_syscall_64.entry_SYSCALL_64_after_hwframe.umount2
       9.21 ±  2%      -5.5        3.71 ± 12%  perf-profile.calltrace.cycles-pp.ret_from_fork
       9.21 ±  2%      -5.5        3.71 ± 12%  perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
      10.68 ±  3%      -5.3        5.34 ± 22%  perf-profile.calltrace.cycles-pp.do_umount.path_umount.__x64_sys_umount.do_syscall_64.entry_SYSCALL_64_after_hwframe
       5.36            -3.7        1.61 ± 15%  perf-profile.calltrace.cycles-pp.attach_recursive_mnt.do_new_mount.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe
       4.80            -3.4        1.40 ± 14%  perf-profile.calltrace.cycles-pp.propagate_mnt.attach_recursive_mnt.do_new_mount.__x64_sys_mount.do_syscall_64
       4.68            -3.3        1.37 ± 14%  perf-profile.calltrace.cycles-pp.propagate_one.propagate_mnt.attach_recursive_mnt.do_new_mount.__x64_sys_mount
       3.70 ±  4%      -3.2        0.53 ± 46%  perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.__do_softirq.run_ksoftirqd.smpboot_thread_fn
       4.49            -3.2        1.33 ± 14%  perf-profile.calltrace.cycles-pp.copy_tree.propagate_one.propagate_mnt.attach_recursive_mnt.do_new_mount
       4.48            -3.2        1.33 ± 14%  perf-profile.calltrace.cycles-pp.clone_mnt.copy_tree.propagate_one.propagate_mnt.attach_recursive_mnt
       3.75 ±  4%      -3.1        0.64 ± 15%  perf-profile.calltrace.cycles-pp.__do_softirq.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork
       3.75 ±  4%      -3.1        0.65 ± 15%  perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork
       3.72 ±  4%      -3.1        0.63 ± 14%  perf-profile.calltrace.cycles-pp.rcu_core.__do_softirq.run_ksoftirqd.smpboot_thread_fn.kthread
       3.82 ±  4%      -3.0        0.87 ± 10%  perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork
       4.95 ±  2%      -2.8        2.11 ± 11%  perf-profile.calltrace.cycles-pp.process_one_work.worker_thread.kthread.ret_from_fork
       4.05            -2.8        1.22 ± 14%  perf-profile.calltrace.cycles-pp.alloc_vfsmnt.clone_mnt.copy_tree.propagate_one.propagate_mnt
       5.00            -2.8        2.24 ± 29%  perf-profile.calltrace.cycles-pp.vfs_get_super.vfs_get_tree.do_new_mount.__x64_sys_mount.do_syscall_64
       5.00            -2.8        2.25 ± 29%  perf-profile.calltrace.cycles-pp.vfs_get_tree.do_new_mount.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe
       5.34 ±  2%      -2.6        2.73 ± 13%  perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
       3.49 ±  2%      -2.4        1.05 ± 13%  perf-profile.calltrace.cycles-pp.pcpu_alloc.alloc_vfsmnt.clone_mnt.copy_tree.propagate_one
       4.63 ±  2%      -2.3        2.30 ± 24%  perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.do_umount.path_umount.__x64_sys_umount
       4.66 ±  3%      -2.3        2.36 ± 22%  perf-profile.calltrace.cycles-pp.down_write.do_umount.path_umount.__x64_sys_umount.do_syscall_64
       4.05            -2.3        1.78 ± 29%  perf-profile.calltrace.cycles-pp.sget_fc.vfs_get_super.vfs_get_tree.do_new_mount.__x64_sys_mount
       3.92            -2.2        1.72 ± 30%  perf-profile.calltrace.cycles-pp.alloc_super.sget_fc.vfs_get_super.vfs_get_tree.do_new_mount
       3.63 ±  2%      -2.1        1.58 ± 31%  perf-profile.calltrace.cycles-pp.__percpu_init_rwsem.alloc_super.sget_fc.vfs_get_super.vfs_get_tree
       3.57 ±  2%      -2.0        1.56 ± 31%  perf-profile.calltrace.cycles-pp.pcpu_alloc.__percpu_init_rwsem.alloc_super.sget_fc.vfs_get_super
       4.10 ±  5%      -1.9        2.20 ± 22%  perf-profile.calltrace.cycles-pp.namespace_unlock.do_umount.path_umount.__x64_sys_umount.do_syscall_64
       3.62            -1.6        2.00 ± 25%  perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.do_umount.path_umount
       2.80            -1.5        1.26 ± 10%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
       2.81            -1.5        1.26 ± 10%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
       2.72            -1.5        1.18 ±  7%  perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
       2.72            -1.5        1.17 ±  7%  perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
       2.84            -1.5        1.30 ± 10%  perf-profile.calltrace.cycles-pp.open64
       2.02            -1.5        0.52 ± 49%  perf-profile.calltrace.cycles-pp.memset_erms.pcpu_alloc.__percpu_init_rwsem.alloc_super.sget_fc
       2.02 ±  2%      -1.5        0.56 ± 45%  perf-profile.calltrace.cycles-pp.memset_erms.pcpu_alloc.alloc_vfsmnt.clone_mnt.copy_tree
       1.71 ±  2%      -1.4        0.32 ±101%  perf-profile.calltrace.cycles-pp.vfs_create_mount.do_new_mount.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe
       1.90 ±  3%      -1.3        0.61 ± 46%  perf-profile.calltrace.cycles-pp.user_path_at_empty.__x64_sys_umount.do_syscall_64.entry_SYSCALL_64_after_hwframe.umount2
       4.78 ±  2%      -1.3        3.51 ± 17%  perf-profile.calltrace.cycles-pp.lock_mount.do_new_mount.__x64_sys_mount.do_syscall_64.entry_SYSCALL_64_after_hwframe
       2.62            -1.2        1.44 ± 17%  perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
       2.63            -1.2        1.45 ± 18%  perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
       4.57 ±  2%      -1.1        3.46 ± 17%  perf-profile.calltrace.cycles-pp.down_write.lock_mount.do_new_mount.__x64_sys_mount.do_syscall_64
       4.50 ±  2%      -1.1        3.44 ± 17%  perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.lock_mount.do_new_mount.__x64_sys_mount
       1.37 ±  3%      -1.0        0.32 ±103%  perf-profile.calltrace.cycles-pp.propagate_mount_busy.do_umount.path_umount.__x64_sys_umount.do_syscall_64
       2.28 ±  3%      -1.0        1.25 ± 19%  perf-profile.calltrace.cycles-pp.mntput_no_expire.namespace_unlock.do_umount.path_umount.__x64_sys_umount
       1.26 ±  3%      -0.9        0.38 ±100%  perf-profile.calltrace.cycles-pp.__sync_rcu_exp_select_node_cpus.process_one_work.worker_thread.kthread.ret_from_fork
       1.13 ±  7%      -0.8        0.36 ±100%  perf-profile.calltrace.cycles-pp.unlink
       1.10 ±  7%      -0.8        0.35 ±100%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlink
       1.06 ±  4%      -0.8        0.31 ±100%  perf-profile.calltrace.cycles-pp.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
       1.10 ±  7%      -0.8        0.35 ±100%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
       1.01 ±  5%      -0.7        0.30 ±100%  perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlink
       1.55 ±  9%      -0.7        0.85 ± 25%  perf-profile.calltrace.cycles-pp.synchronize_rcu_expedited.namespace_unlock.do_umount.path_umount.__x64_sys_umount
       1.56 ±  3%      -0.7        0.86 ± 25%  perf-profile.calltrace.cycles-pp.rwsem_spin_on_owner.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.lock_mount
       0.97 ±  7%      -0.6        0.37 ± 70%  perf-profile.calltrace.cycles-pp.__lxstat64
       2.26 ±  2%      -0.6        1.68 ± 23%  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
       0.94 ±  7%      -0.6        0.36 ± 70%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__lxstat64
       0.93 ±  7%      -0.6        0.36 ± 70%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__lxstat64
       2.27 ±  2%      -0.6        1.70 ± 22%  perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.umount2
       2.24 ±  2%      -0.6        1.67 ± 23%  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
       0.82 ±  3%      -0.5        0.29 ±100%  perf-profile.calltrace.cycles-pp.smp_call_function_single.__sync_rcu_exp_select_node_cpus.process_one_work.worker_thread.kthread
       1.18 ±  5%      -0.4        0.78 ± 19%  perf-profile.calltrace.cycles-pp._raw_spin_lock.mntput_no_expire.namespace_unlock.do_umount.path_umount
       1.02 ±  6%      -0.3        0.72 ± 20%  perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.mntput_no_expire.namespace_unlock.do_umount
       0.00            +0.5        0.55 ±  7%  perf-profile.calltrace.cycles-pp.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
       0.00            +0.6        0.65 ± 19%  perf-profile.calltrace.cycles-pp.__close
       1.68 ±  6%      +0.7        2.37 ± 17%  perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.lock_mount
       0.00            +0.7        0.69 ± 15%  perf-profile.calltrace.cycles-pp.rebalance_domains.__do_softirq.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
       0.00            +0.7        0.70 ± 15%  perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.openat64
       0.00            +0.7        0.70 ± 14%  perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.openat64.device_set_syspath
       0.00            +0.8        0.79 ± 15%  perf-profile.calltrace.cycles-pp.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
       0.00            +0.8        0.80 ± 13%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.openat64.device_set_syspath.sd_device_new_from_syspath
       0.00            +0.8        0.81 ± 13%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.openat64.device_set_syspath.sd_device_new_from_syspath
       0.00            +0.9        0.86 ± 26%  perf-profile.calltrace.cycles-pp.siphash24_compress
       0.00            +0.9        0.87 ± 13%  perf-profile.calltrace.cycles-pp.openat64.device_set_syspath.sd_device_new_from_syspath
       0.00            +1.2        1.15 ±  9%  perf-profile.calltrace.cycles-pp.show_mountinfo.seq_read_iter.vfs_read.ksys_read.do_syscall_64
       0.18 ±141%      +1.2        1.39 ± 11%  perf-profile.calltrace.cycles-pp.sd_device_new_from_syspath
       0.00            +1.2        1.24 ± 13%  perf-profile.calltrace.cycles-pp.device_set_syspath.sd_device_new_from_syspath
       0.00            +1.4        1.43 ±  9%  perf-profile.calltrace.cycles-pp.seq_read_iter.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
       0.18 ±141%      +1.5        1.68 ±  7%  perf-profile.calltrace.cycles-pp.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues
       0.00            +1.6        1.55 ± 10%  perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
       0.00            +1.6        1.56 ± 10%  perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
       0.00            +1.6        1.61 ± 10%  perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
       0.00            +1.6        1.62 ± 10%  perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
       0.00            +1.6        1.64 ± 10%  perf-profile.calltrace.cycles-pp.read
       0.00            +1.7        1.66 ± 12%  perf-profile.calltrace.cycles-pp.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
       0.00            +1.8        1.83 ±  9%  perf-profile.calltrace.cycles-pp.__do_softirq.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
       0.85 ±  4%      +2.1        2.92 ±  4%  perf-profile.calltrace.cycles-pp.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt
       0.00            +2.1        2.08 ±  8%  perf-profile.calltrace.cycles-pp.__irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
       0.86 ±  4%      +2.2        3.05 ±  4%  perf-profile.calltrace.cycles-pp.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt
       0.99 ±  5%      +2.6        3.57 ±  3%  perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
       1.22 ±  5%      +3.8        5.03 ±  4%  perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
       1.41 ±  5%      +4.8        6.24 ±  3%  perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
       1.42 ±  5%      +4.9        6.35 ±  3%  perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
       2.01 ±  4%      +7.2        9.24 ±  5%  perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
       2.14 ±  3%      +8.6       10.71 ±  5%  perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
      36.36            +9.8       46.14 ±  5%  perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
      40.38           +17.3       57.69 ±  6%  perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
      40.51           +17.8       58.31 ±  5%  perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
      42.41           +19.3       61.74 ±  5%  perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
      42.42           +19.4       61.78 ±  5%  perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
      42.42           +19.4       61.78 ±  5%  perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify
      41.01           +19.4       60.43 ±  6%  perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
      42.74           +19.6       62.33 ±  5%  perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify
      43.68           -18.1       25.61 ± 15%  perf-profile.children.cycles-pp.do_syscall_64
      43.73           -18.0       25.70 ± 15%  perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
      18.62           -10.1        8.49 ± 19%  perf-profile.children.cycles-pp.mount
      18.52           -10.1        8.44 ± 19%  perf-profile.children.cycles-pp.__x64_sys_mount
      17.64            -9.4        8.22 ± 19%  perf-profile.children.cycles-pp.do_new_mount
      15.76            -7.5        8.30 ± 22%  perf-profile.children.cycles-pp.umount2
      13.19 ±  2%      -6.9        6.34 ± 20%  perf-profile.children.cycles-pp.__x64_sys_umount
      11.28 ±  3%      -5.6        5.64 ± 22%  perf-profile.children.cycles-pp.path_umount
       7.26 ±  2%      -5.6        1.67 ± 19%  perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
       9.21 ±  2%      -5.5        3.71 ± 12%  perf-profile.children.cycles-pp.kthread
       9.21 ±  2%      -5.5        3.72 ± 12%  perf-profile.children.cycles-pp.ret_from_fork
       8.72            -5.4        3.32 ± 23%  perf-profile.children.cycles-pp.pcpu_alloc
       6.56 ±  3%      -5.4        1.21 ± 16%  perf-profile.children.cycles-pp._raw_spin_lock_irqsave
      10.69 ±  3%      -5.3        5.34 ± 22%  perf-profile.children.cycles-pp.do_umount
       5.24 ±  5%      -4.6        0.67 ± 24%  perf-profile.children.cycles-pp.free_percpu
       5.36            -3.7        1.61 ± 15%  perf-profile.children.cycles-pp.attach_recursive_mnt
       5.32 ±  2%      -3.6        1.70 ± 16%  perf-profile.children.cycles-pp.alloc_vfsmnt
       5.12            -3.5        1.58 ± 19%  perf-profile.children.cycles-pp.memset_erms
       9.34 ±  2%      -3.5        5.87 ± 19%  perf-profile.children.cycles-pp.down_write
       4.80            -3.4        1.40 ± 14%  perf-profile.children.cycles-pp.propagate_mnt
       9.13 ±  2%      -3.4        5.74 ± 20%  perf-profile.children.cycles-pp.rwsem_down_write_slowpath
       4.69            -3.3        1.37 ± 14%  perf-profile.children.cycles-pp.propagate_one
       4.49            -3.2        1.33 ± 14%  perf-profile.children.cycles-pp.copy_tree
       4.48            -3.2        1.33 ± 14%  perf-profile.children.cycles-pp.clone_mnt
       3.75 ±  4%      -3.1        0.65 ± 15%  perf-profile.children.cycles-pp.run_ksoftirqd
       4.02 ±  4%      -3.1        0.94 ± 11%  perf-profile.children.cycles-pp.rcu_do_batch
       3.82 ±  4%      -3.0        0.87 ± 10%  perf-profile.children.cycles-pp.smpboot_thread_fn
       3.41 ±  4%      -2.9        0.47 ± 21%  perf-profile.children.cycles-pp.delayed_free_vfsmnt
       4.08 ±  4%      -2.9        1.18 ± 10%  perf-profile.children.cycles-pp.rcu_core
       3.96 ±  3%      -2.9        1.10 ± 15%  perf-profile.children.cycles-pp.path_init
       4.95 ±  2%      -2.8        2.11 ± 11%  perf-profile.children.cycles-pp.process_one_work
       5.00            -2.8        2.24 ± 29%  perf-profile.children.cycles-pp.vfs_get_super
       5.00            -2.8        2.25 ± 29%  perf-profile.children.cycles-pp.vfs_get_tree
       3.86            -2.7        1.21 ± 21%  perf-profile.children.cycles-pp.rwsem_spin_on_owner
       5.35 ±  2%      -2.6        2.73 ± 13%  perf-profile.children.cycles-pp.worker_thread
       4.05            -2.3        1.78 ± 29%  perf-profile.children.cycles-pp.sget_fc
       3.93            -2.2        1.72 ± 30%  perf-profile.children.cycles-pp.alloc_super
       4.35 ±  4%      -2.1        2.27 ± 22%  perf-profile.children.cycles-pp.namespace_unlock
       3.63 ±  2%      -2.1        1.58 ± 31%  perf-profile.children.cycles-pp.__percpu_init_rwsem
       5.42 ± 12%      -2.0        3.45 ± 13%  perf-profile.children.cycles-pp.__schedule
       4.44 ±  3%      -1.8        2.61 ±  7%  perf-profile.children.cycles-pp.__do_softirq
       4.15 ±  2%      -1.8        2.34 ± 12%  perf-profile.children.cycles-pp._raw_spin_lock
       3.17 ±  3%      -1.8        1.38 ± 13%  perf-profile.children.cycles-pp.filename_lookup
       2.46 ± 17%      -1.8        0.67 ± 19%  perf-profile.children.cycles-pp.schedule_preempt_disabled
       3.41 ±  3%      -1.7        1.68 ± 10%  perf-profile.children.cycles-pp.path_lookupat
       1.87 ±  6%      -1.6        0.26 ± 27%  perf-profile.children.cycles-pp.destroy_super_work
       1.87 ±  6%      -1.6        0.26 ± 27%  perf-profile.children.cycles-pp.percpu_free_rwsem
       2.68 ±  2%      -1.6        1.10 ± 15%  perf-profile.children.cycles-pp.user_path_at_empty
       2.84            -1.5        1.31 ± 10%  perf-profile.children.cycles-pp.open64
       4.09 ± 13%      -1.5        2.63 ± 17%  perf-profile.children.cycles-pp.schedule
       2.97            -1.3        1.65 ±  6%  perf-profile.children.cycles-pp.path_openat
       2.98            -1.3        1.67 ±  6%  perf-profile.children.cycles-pp.do_filp_open
       2.19 ±  2%      -1.3        0.91 ± 24%  perf-profile.children.cycles-pp.mnt_get_count
       4.78 ±  2%      -1.3        3.51 ± 17%  perf-profile.children.cycles-pp.lock_mount
       2.72 ±  3%      -1.2        1.49 ± 19%  perf-profile.children.cycles-pp.mntput_no_expire
       1.43 ±  8%      -1.2        0.23 ± 41%  perf-profile.children.cycles-pp.intel_idle_irq
       1.71 ±  2%      -1.2        0.53 ± 23%  perf-profile.children.cycles-pp.vfs_create_mount
       3.11            -1.2        1.95 ±  5%  perf-profile.children.cycles-pp.do_sys_openat2
       3.11            -1.1        1.97 ±  5%  perf-profile.children.cycles-pp.__x64_sys_openat
       1.74 ±  2%      -1.1        0.65 ±  7%  perf-profile.children.cycles-pp.step_into
       2.43 ±  3%      -1.0        1.39 ±  8%  perf-profile.children.cycles-pp.link_path_walk
       1.68 ±  6%      -1.0        0.69 ± 18%  perf-profile.children.cycles-pp.filename_parentat
       1.66 ±  6%      -1.0        0.68 ± 18%  perf-profile.children.cycles-pp.path_parentat
       1.26 ±  4%      -0.9        0.38 ± 16%  perf-profile.children.cycles-pp.__traverse_mounts
       1.50 ±  4%      -0.9        0.63 ± 24%  perf-profile.children.cycles-pp.__sync_rcu_exp_select_node_cpus
       1.17 ±  3%      -0.9        0.30 ± 12%  perf-profile.children.cycles-pp.asm_sysvec_call_function_single
       1.37 ±  3%      -0.9        0.51 ± 31%  perf-profile.children.cycles-pp.propagate_mount_busy
       1.21 ±  3%      -0.8        0.37 ± 18%  perf-profile.children.cycles-pp.lookup_mnt
       1.55 ±  9%      -0.7        0.85 ± 25%  perf-profile.children.cycles-pp.synchronize_rcu_expedited
       1.05 ±  2%      -0.7        0.38 ± 23%  perf-profile.children.cycles-pp.filename_create
       2.74 ±  2%      -0.6        2.13 ± 17%  perf-profile.children.cycles-pp.exit_to_user_mode_loop
       2.78 ±  2%      -0.6        2.17 ± 16%  perf-profile.children.cycles-pp.exit_to_user_mode_prepare
       1.04 ±  4%      -0.6        0.47 ± 24%  perf-profile.children.cycles-pp.symlink
       1.14 ±  7%      -0.6        0.58 ± 24%  perf-profile.children.cycles-pp.unlink
       0.99 ±  3%      -0.6        0.43 ± 21%  perf-profile.children.cycles-pp.__x64_sys_symlink
       1.16            -0.6        0.61 ± 24%  perf-profile.children.cycles-pp._find_next_bit
       0.79 ±  8%      -0.5        0.25 ± 19%  perf-profile.children.cycles-pp.wait_rcu_exp_gp
       0.79 ±  8%      -0.5        0.25 ± 18%  perf-profile.children.cycles-pp.sync_rcu_exp_select_cpus
       0.94 ±  3%      -0.5        0.40 ± 22%  perf-profile.children.cycles-pp.do_symlinkat
       0.71 ±  5%      -0.5        0.18 ± 17%  perf-profile.children.cycles-pp.sysvec_call_function_single
       1.06 ±  4%      -0.5        0.54 ± 18%  perf-profile.children.cycles-pp.__x64_sys_unlink
       0.91 ±  3%      -0.5        0.40 ±  9%  perf-profile.children.cycles-pp.__cond_resched
       1.01 ±  5%      -0.5        0.51 ± 19%  perf-profile.children.cycles-pp.do_unlinkat
       1.01 ±  2%      -0.5        0.52 ± 25%  perf-profile.children.cycles-pp.stress_rndstr
       0.98 ±  5%      -0.5        0.49 ± 25%  perf-profile.children.cycles-pp.smp_call_function_single
       1.01 ±  7%      -0.5        0.55 ± 11%  perf-profile.children.cycles-pp.__lxstat64
       0.92 ±  4%      -0.4        0.47 ± 10%  perf-profile.children.cycles-pp.__do_sys_newlstat
       1.13 ±  5%      -0.4        0.68 ± 10%  perf-profile.children.cycles-pp.vfs_statx
       0.78 ±  2%      -0.4        0.34 ± 18%  perf-profile.children.cycles-pp.generic_shutdown_super
       0.78 ±  2%      -0.4        0.35 ± 18%  perf-profile.children.cycles-pp.kill_litter_super
       0.57 ±  6%      -0.4        0.14 ± 19%  perf-profile.children.cycles-pp.__sysvec_call_function_single
       0.55 ±  3%      -0.4        0.13 ± 36%  perf-profile.children.cycles-pp.rcu_report_exp_cpu_mult
       0.58 ±  4%      -0.4        0.16 ± 16%  perf-profile.children.cycles-pp.__flush_smp_call_function_queue
       1.20 ±  5%      -0.4        0.78 ± 11%  perf-profile.children.cycles-pp.vfs_fstatat
       0.78 ±  5%      -0.4        0.37 ± 36%  perf-profile.children.cycles-pp.shmem_fill_super
       0.61 ±  6%      -0.4        0.20 ± 25%  perf-profile.children.cycles-pp.pcpu_alloc_area
       0.88 ±  3%      -0.4        0.48 ±  4%  perf-profile.children.cycles-pp.dput
       0.58 ±  4%      -0.4        0.19 ± 35%  perf-profile.children.cycles-pp.up_write
       0.50 ±  3%      -0.4        0.12 ± 27%  perf-profile.children.cycles-pp.rcu_note_context_switch
       0.60 ±  5%      -0.4        0.23 ± 11%  perf-profile.children.cycles-pp.__legitimize_mnt
       0.71 ±  3%      -0.4        0.35 ± 27%  perf-profile.children.cycles-pp.mnt_get_writers
       0.56 ±  2%      -0.4        0.20 ± 21%  perf-profile.children.cycles-pp.rcu_exp_wait_wake
       0.66 ±  6%      -0.4        0.31 ± 29%  perf-profile.children.cycles-pp.mkdir
       0.62 ±  4%      -0.3        0.28 ± 32%  perf-profile.children.cycles-pp.__x64_sys_mkdir
       0.59 ±  4%      -0.3        0.26 ± 35%  perf-profile.children.cycles-pp.do_mkdirat
       0.89 ±  3%      -0.3        0.59 ± 14%  perf-profile.children.cycles-pp.try_to_wake_up
       0.52 ±  2%      -0.3        0.23 ± 23%  perf-profile.children.cycles-pp.open_last_lookups
       0.44 ±  5%      -0.3        0.15 ± 34%  perf-profile.children.cycles-pp.rwsem_wake
       0.45 ±  3%      -0.3        0.18 ± 23%  perf-profile.children.cycles-pp.new_inode
       0.39 ±  8%      -0.3        0.13 ± 55%  perf-profile.children.cycles-pp.ida_alloc_range
       0.52 ±  8%      -0.3        0.26 ± 25%  perf-profile.children.cycles-pp.rmdir
       0.54 ±  4%      -0.3        0.28 ± 37%  perf-profile.children.cycles-pp.__percpu_counter_init
       0.34 ±  3%      -0.3        0.08 ± 59%  perf-profile.children.cycles-pp.unlock_mount
       0.48 ±  4%      -0.2        0.24 ± 20%  perf-profile.children.cycles-pp.__x64_sys_rmdir
       0.40 ±  4%      -0.2        0.16 ± 15%  perf-profile.children.cycles-pp.sync_filesystem
       0.46 ±  4%      -0.2        0.22 ± 20%  perf-profile.children.cycles-pp.do_rmdir
       0.39 ±  4%      -0.2        0.15 ± 34%  perf-profile.children.cycles-pp.lookup_open
       0.39 ±  5%      -0.2        0.15 ± 14%  perf-profile.children.cycles-pp.writeback_inodes_sb
       0.33 ± 10%      -0.2        0.10 ± 35%  perf-profile.children.cycles-pp.pcpu_free_area
       0.38 ±  6%      -0.2        0.15 ± 11%  perf-profile.children.cycles-pp.get_nr_dirty_inodes
       0.45            -0.2        0.22 ± 26%  perf-profile.children.cycles-pp.umount_tree
       0.46 ±  3%      -0.2        0.24 ± 26%  perf-profile.children.cycles-pp.kmem_cache_alloc_lru
       0.34 ±  5%      -0.2        0.13 ± 32%  perf-profile.children.cycles-pp.wake_up_q
       0.36 ±  2%      -0.2        0.16 ± 21%  perf-profile.children.cycles-pp.alloc_inode
       0.25 ±  8%      -0.2        0.05 ± 53%  perf-profile.children.cycles-pp.get_mountpoint
       0.32 ±  6%      -0.2        0.13 ± 22%  perf-profile.children.cycles-pp.commit_tree
       0.28 ±  4%      -0.2        0.10 ± 38%  perf-profile.children.cycles-pp.__list_del_entry_valid
       0.80 ±  2%      -0.2        0.63 ±  9%  perf-profile.children.cycles-pp.getname_flags
       0.22 ±  6%      -0.2        0.04 ± 78%  perf-profile.children.cycles-pp.mutex_lock_killable
       0.28 ±  2%      -0.2        0.11 ± 27%  perf-profile.children.cycles-pp.ida_free
       0.27 ±  4%      -0.2        0.10 ± 25%  perf-profile.children.cycles-pp.synchronize_rcu_expedited_wait
       0.27 ±  9%      -0.2        0.10 ±  9%  perf-profile.children.cycles-pp.__slab_free
       0.19 ±  7%      -0.2        0.03 ±101%  perf-profile.children.cycles-pp.rcu_exp_handler
       0.32 ±  4%      -0.2        0.16 ± 27%  perf-profile.children.cycles-pp.slab_pre_alloc_hook
       0.25 ±  3%      -0.2        0.10 ± 24%  perf-profile.children.cycles-pp.synchronize_rcu_expedited_wait_once
       0.34 ±  5%      -0.2        0.18 ± 16%  perf-profile.children.cycles-pp.dentry_kill
       0.29 ±  4%      -0.2        0.13 ± 26%  perf-profile.children.cycles-pp.shmem_get_inode
       0.23 ±  8%      -0.2        0.08 ± 25%  perf-profile.children.cycles-pp.generic_exec_single
       0.48 ±  5%      -0.2        0.33 ± 16%  perf-profile.children.cycles-pp.flush_smp_call_function_queue
       0.25 ±  8%      -0.1        0.10 ± 25%  perf-profile.children.cycles-pp.llist_add_batch
       0.50 ±  2%      -0.1        0.35 ± 14%  perf-profile.children.cycles-pp.__wake_up_common_lock
       0.31 ±  4%      -0.1        0.16 ± 19%  perf-profile.children.cycles-pp.__dentry_kill
       0.62 ±  3%      -0.1        0.48 ± 12%  perf-profile.children.cycles-pp.strncpy_from_user
       0.31 ±  6%      -0.1        0.17 ± 11%  perf-profile.children.cycles-pp.stress_mwc32
       0.24 ±  7%      -0.1        0.10 ± 31%  perf-profile.children.cycles-pp._find_next_zero_bit
       0.23 ±  6%      -0.1        0.09 ± 20%  perf-profile.children.cycles-pp.ramfs_get_inode
       0.29 ±  8%      -0.1        0.16 ± 18%  perf-profile.children.cycles-pp.mutex_spin_on_owner
       0.30 ±  5%      -0.1        0.17 ± 24%  perf-profile.children.cycles-pp.evict
       0.27 ±  6%      -0.1        0.14 ± 13%  perf-profile.children.cycles-pp.__d_alloc
       0.30 ±  6%      -0.1        0.18 ± 16%  perf-profile.children.cycles-pp.queue_work_on
       0.15 ±  6%      -0.1        0.03 ±100%  perf-profile.children.cycles-pp.llist_reverse_order
       0.19 ±  7%      -0.1        0.07 ± 16%  perf-profile.children.cycles-pp.lockref_get
       0.39 ±  8%      -0.1        0.28 ± 21%  perf-profile.children.cycles-pp.sched_ttwu_pending
       0.26 ±  7%      -0.1        0.15 ± 10%  perf-profile.children.cycles-pp.__call_rcu_common
       0.20 ±  7%      -0.1        0.08 ± 16%  perf-profile.children.cycles-pp.get_nr_inodes
       0.22 ± 11%      -0.1        0.10 ± 15%  perf-profile.children.cycles-pp.d_alloc
       0.27 ±  8%      -0.1        0.16 ± 14%  perf-profile.children.cycles-pp.__legitimize_path
       0.22 ±  6%      -0.1        0.11 ±  9%  perf-profile.children.cycles-pp.__flush_work
       0.21 ±  3%      -0.1        0.10 ± 36%  perf-profile.children.cycles-pp.memcg_list_lru_alloc
       0.48 ±  8%      -0.1        0.37 ± 18%  perf-profile.children.cycles-pp.ttwu_do_activate
       0.16 ±  5%      -0.1        0.06 ± 47%  perf-profile.children.cycles-pp.__list_add_valid
       0.15 ±  6%      -0.1        0.04 ± 75%  perf-profile.children.cycles-pp.pcpu_next_fit_region
       0.16 ±  4%      -0.1        0.06 ± 49%  perf-profile.children.cycles-pp.pcpu_find_block_fit
       0.14 ± 15%      -0.1        0.04 ± 73%  perf-profile.children.cycles-pp.swake_up_one
       0.17 ±  4%      -0.1        0.07 ± 57%  perf-profile.children.cycles-pp.shmem_mknod
       0.21 ± 11%      -0.1        0.11 ± 19%  perf-profile.children.cycles-pp.ttwu_queue_wakelist
       0.28 ±  8%      -0.1        0.18 ±  9%  perf-profile.children.cycles-pp.try_to_unlazy
       0.23 ± 14%      -0.1        0.13 ± 29%  perf-profile.children.cycles-pp.schedule_hrtimeout_range_clock
       0.14 ±  7%      -0.1        0.04 ± 75%  perf-profile.children.cycles-pp.pcpu_block_update_hint_alloc
       0.19 ±  8%      -0.1        0.10 ± 27%  perf-profile.children.cycles-pp.complete_walk
       0.12 ± 12%      -0.1        0.03 ±100%  perf-profile.children.cycles-pp.__lookup_mnt
       0.28 ±  3%      -0.1        0.19 ± 23%  perf-profile.children.cycles-pp.vfs_symlink
       0.14 ± 14%      -0.1        0.05 ± 74%  perf-profile.children.cycles-pp.irqentry_exit_to_user_mode
       0.48 ±  4%      -0.1        0.38 ± 12%  perf-profile.children.cycles-pp.kmem_cache_alloc
       0.12 ±  6%      -0.1        0.03 ±108%  perf-profile.children.cycles-pp.__bitmap_clear
       0.42 ± 10%      -0.1        0.34 ± 17%  perf-profile.children.cycles-pp.enqueue_task_fair
       0.21 ± 18%      -0.1        0.12 ± 25%  perf-profile.children.cycles-pp.__d_lookup
       0.18 ±  5%      -0.1        0.10 ± 19%  perf-profile.children.cycles-pp.__d_lookup_rcu
       0.19 ±  8%      -0.1        0.11 ±  9%  perf-profile.children.cycles-pp.update_curr
       0.11 ± 12%      -0.1        0.03 ±105%  perf-profile.children.cycles-pp.shmem_put_super
       0.14 ± 11%      -0.1        0.06 ± 55%  perf-profile.children.cycles-pp.shmem_alloc_inode
       0.20 ±  7%      -0.1        0.11 ± 34%  perf-profile.children.cycles-pp.list_lru_destroy
       0.17 ± 10%      -0.1        0.09 ± 24%  perf-profile.children.cycles-pp.truncate_inode_pages_range
       0.12 ±  9%      -0.1        0.04 ± 72%  perf-profile.children.cycles-pp.ns_capable
       0.11 ± 10%      -0.1        0.03 ±103%  perf-profile.children.cycles-pp.apparmor_capable
       0.11 ±  9%      -0.1        0.03 ±103%  perf-profile.children.cycles-pp.kstrdup
       0.14 ± 10%      -0.1        0.06 ± 52%  perf-profile.children.cycles-pp.d_make_root
       0.16 ±  7%      -0.1        0.08 ± 51%  perf-profile.children.cycles-pp.ramfs_fill_super
       0.12 ±  9%      -0.1        0.04 ± 77%  perf-profile.children.cycles-pp.security_capable
       0.10 ± 13%      -0.1        0.03 ±102%  perf-profile.children.cycles-pp.percpu_counter_destroy
       0.13 ±  7%      -0.1        0.05 ± 71%  perf-profile.children.cycles-pp.vfs_mkdir
       0.19 ±  3%      -0.1        0.12 ± 22%  perf-profile.children.cycles-pp.lockref_put_return
       0.16 ±  7%      -0.1        0.09 ± 17%  perf-profile.children.cycles-pp.mutex_unlock
       0.10 ± 10%      -0.1        0.03 ±101%  perf-profile.children.cycles-pp.propagate_umount
       0.14 ± 10%      -0.1        0.06 ± 45%  perf-profile.children.cycles-pp.nd_jump_root
       0.31 ±  7%      -0.1        0.24 ± 16%  perf-profile.children.cycles-pp.__kmem_cache_alloc_node
       0.13 ±  5%      -0.1        0.06 ± 57%  perf-profile.children.cycles-pp.perf_trace_sched_wakeup_template
       0.14 ± 11%      -0.1        0.08 ± 33%  perf-profile.children.cycles-pp.__lookup_hash
       0.15 ±  8%      -0.1        0.08 ± 14%  perf-profile.children.cycles-pp.task_work_add
       0.11 ±  6%      -0.1        0.04 ±101%  perf-profile.children.cycles-pp.autoremove_wake_function
       0.12 ± 12%      -0.1        0.06 ± 78%  perf-profile.children.cycles-pp.vfs_rmdir
       0.14 ± 12%      -0.1        0.08 ± 24%  perf-profile.children.cycles-pp.d_alloc_parallel
       0.16 ±  4%      -0.1        0.10 ± 21%  perf-profile.children.cycles-pp.shrink_dcache_for_umount
       0.10 ± 17%      -0.1        0.04 ± 72%  perf-profile.children.cycles-pp.vfs_unlink
       0.20 ±  5%      -0.1        0.13 ± 22%  perf-profile.children.cycles-pp.ramfs_symlink
       0.10 ± 11%      -0.1        0.04 ±101%  perf-profile.children.cycles-pp.__pagevec_release
       0.13 ± 10%      -0.1        0.07 ± 46%  perf-profile.children.cycles-pp.xas_store
       0.11 ±  8%      -0.1        0.05 ± 47%  perf-profile.children.cycles-pp.set_root
       0.16 ±  8%      -0.1        0.11 ± 27%  perf-profile.children.cycles-pp.__kmalloc_node_track_caller
       0.12 ±  8%      -0.1        0.06 ± 21%  perf-profile.children.cycles-pp.__smp_call_single_queue
       0.16 ±  6%      -0.0        0.11 ± 25%  perf-profile.children.cycles-pp.page_symlink
       0.13 ±  5%      -0.0        0.08 ± 26%  perf-profile.children.cycles-pp.prepare_task_switch
       0.12 ± 10%      -0.0        0.07 ± 30%  perf-profile.children.cycles-pp._raw_read_lock_irqsave
       0.12 ±  9%      -0.0        0.08 ± 23%  perf-profile.children.cycles-pp.kmalloc_trace
       0.12 ±  5%      -0.0        0.08 ± 17%  perf-profile.children.cycles-pp.rcu_all_qs
       0.11 ±  8%      -0.0        0.08 ± 24%  perf-profile.children.cycles-pp.simple_write_begin
       0.12 ± 10%      -0.0        0.08 ± 20%  perf-profile.children.cycles-pp.__switch_to
       0.11 ±  8%      -0.0        0.08 ± 11%  perf-profile.children.cycles-pp.set_next_entity
       0.10 ± 13%      +0.0        0.14 ± 16%  perf-profile.children.cycles-pp.do_open
       0.04 ± 45%      +0.0        0.09 ± 22%  perf-profile.children.cycles-pp.cp_new_stat
       0.08 ± 16%      +0.0        0.12 ± 17%  perf-profile.children.cycles-pp.do_dentry_open
       0.09 ± 19%      +0.0        0.13 ± 12%  perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
       0.01 ±223%      +0.1        0.06 ± 14%  perf-profile.children.cycles-pp.syscall_return_via_sysret
       0.00            +0.1        0.06 ± 11%  perf-profile.children.cycles-pp.fput
       0.11 ±  8%      +0.1        0.17 ± 22%  perf-profile.children.cycles-pp.down_read
       0.04 ± 44%      +0.1        0.11 ± 16%  perf-profile.children.cycles-pp.unit_file_find_dropin_paths
       0.00            +0.1        0.06 ± 32%  perf-profile.children.cycles-pp.filp_close
       0.00            +0.1        0.06 ± 24%  perf-profile.children.cycles-pp._copy_to_user
       0.00            +0.1        0.07 ± 13%  perf-profile.children.cycles-pp.hrtimer_get_next_event
       0.00            +0.1        0.07 ± 15%  perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
       0.11 ± 17%      +0.1        0.18 ± 27%  perf-profile.children.cycles-pp.____sys_recvmsg
       0.00            +0.1        0.07 ± 32%  perf-profile.children.cycles-pp.kernfs_iop_get_link
       0.00            +0.1        0.08 ± 20%  perf-profile.children.cycles-pp.wait_for_xmitr
       0.00            +0.1        0.08 ± 23%  perf-profile.children.cycles-pp.call_cpuidle
       0.16 ±  6%      +0.1        0.24 ± 15%  perf-profile.children.cycles-pp.ct_kernel_exit_state
       0.00            +0.1        0.08 ± 22%  perf-profile.children.cycles-pp.strlen@plt
       0.00            +0.1        0.08 ± 35%  perf-profile.children.cycles-pp.rb_insert_color
       0.00            +0.1        0.08 ± 24%  perf-profile.children.cycles-pp.__close_nocancel
       0.00            +0.1        0.08 ± 17%  perf-profile.children.cycles-pp._hashmap_iterate
       0.00            +0.1        0.08 ± 21%  perf-profile.children.cycles-pp.seq_puts
       0.11 ± 10%      +0.1        0.19 ± 21%  perf-profile.children.cycles-pp.__entry_text_start
       0.00            +0.1        0.08 ± 35%  perf-profile.children.cycles-pp.perf_event_task_tick
       0.02 ±141%      +0.1        0.10 ± 18%  perf-profile.children.cycles-pp.sock_def_readable
       0.00            +0.1        0.08 ± 32%  perf-profile.children.cycles-pp.tick_nohz_tick_stopped
       0.00            +0.1        0.08 ± 26%  perf-profile.children.cycles-pp.device_add_property_aux
       0.00            +0.1        0.08 ± 30%  perf-profile.children.cycles-pp.siphash24_init
       0.12 ± 15%      +0.1        0.21 ± 26%  perf-profile.children.cycles-pp.__sys_recvmsg
       0.07 ± 48%      +0.1        0.16 ± 33%  perf-profile.children.cycles-pp.__libc_sendmsg
       0.01 ±223%      +0.1        0.10 ± 27%  perf-profile.children.cycles-pp.string_table_lookup
       0.00            +0.1        0.09 ± 25%  perf-profile.children.cycles-pp.tick_nohz_irq_exit
       0.20 ±  9%      +0.1        0.29 ±  7%  perf-profile.children.cycles-pp.inode_permission
       0.00            +0.1        0.09 ± 27%  perf-profile.children.cycles-pp.__handle_mm_fault
       0.06 ± 14%      +0.1        0.16 ± 14%  perf-profile.children.cycles-pp.vfs_fstat
       0.00            +0.1        0.09 ± 33%  perf-profile.children.cycles-pp.vfs_readlink
       0.00            +0.1        0.10 ± 19%  perf-profile.children.cycles-pp.uevent_show
       0.00            +0.1        0.10 ± 10%  perf-profile.children.cycles-pp.up_read
       0.00            +0.1        0.10 ± 25%  perf-profile.children.cycles-pp.handle_mm_fault
       0.00            +0.1        0.10 ± 30%  perf-profile.children.cycles-pp.read_counters
       0.00            +0.1        0.10 ± 20%  perf-profile.children.cycles-pp.strchr
       0.00            +0.1        0.10 ± 33%  perf-profile.children.cycles-pp.path_hash_func
       0.00            +0.1        0.10 ± 29%  perf-profile.children.cycles-pp.cmd_stat
       0.00            +0.1        0.10 ± 29%  perf-profile.children.cycles-pp.dispatch_events
       0.00            +0.1        0.10 ± 29%  perf-profile.children.cycles-pp.process_interval
       0.07 ± 11%      +0.1        0.18 ± 19%  perf-profile.children.cycles-pp.memcpy_erms
       0.00            +0.1        0.11 ±  6%  perf-profile.children.cycles-pp.show_type
       0.00            +0.1        0.11 ± 19%  perf-profile.children.cycles-pp.exc_page_fault
       0.00            +0.1        0.11 ± 19%  perf-profile.children.cycles-pp.do_user_addr_fault
       0.01 ±223%      +0.1        0.12 ± 16%  perf-profile.children.cycles-pp.execve
       0.01 ±223%      +0.1        0.12 ± 16%  perf-profile.children.cycles-pp.__x64_sys_execve
       0.01 ±223%      +0.1        0.12 ± 16%  perf-profile.children.cycles-pp.do_execveat_common
       0.03 ±100%      +0.1        0.14 ± 18%  perf-profile.children.cycles-pp.do_faccessat
       0.00            +0.1        0.11 ± 14%  perf-profile.children.cycles-pp.dev_attr_show
       0.00            +0.1        0.11 ± 28%  perf-profile.children.cycles-pp.__libc_start_main
       0.00            +0.1        0.11 ± 28%  perf-profile.children.cycles-pp.main
       0.00            +0.1        0.11 ± 28%  perf-profile.children.cycles-pp.run_builtin
       0.10 ± 28%      +0.1        0.22 ± 15%  perf-profile.children.cycles-pp.sendmsg
       0.00            +0.1        0.11 ± 13%  perf-profile.children.cycles-pp.sysfs_kf_seq_show
       0.11 ± 11%      +0.1        0.22 ±  8%  perf-profile.children.cycles-pp._raw_spin_trylock
       0.10 ±  3%      +0.1        0.22 ± 13%  perf-profile.children.cycles-pp.__do_sys_newfstat
       0.11 ± 15%      +0.1        0.23 ± 17%  perf-profile.children.cycles-pp.__update_blocked_fair
       0.00            +0.1        0.12 ± 27%  perf-profile.children.cycles-pp.strlen
       0.00            +0.1        0.12 ± 22%  perf-profile.children.cycles-pp.rdrand
       0.06 ± 18%      +0.1        0.18 ±  8%  perf-profile.children.cycles-pp.cfree
       0.00            +0.1        0.12 ± 13%  perf-profile.children.cycles-pp.number
       0.00            +0.1        0.12 ± 17%  perf-profile.children.cycles-pp.hrtimer_update_next_event
       0.03 ±100%      +0.1        0.15 ± 14%  perf-profile.children.cycles-pp.access
       0.01 ±223%      +0.1        0.13 ± 14%  perf-profile.children.cycles-pp.kernfs_iop_permission
       0.00            +0.1        0.13 ± 22%  perf-profile.children.cycles-pp.string_escape_mem
       0.00            +0.1        0.13 ± 30%  perf-profile.children.cycles-pp.try_check_zero
       0.00            +0.1        0.13 ± 30%  perf-profile.children.cycles-pp.srcu_advance_state
       0.00            +0.1        0.13 ± 12%  perf-profile.children.cycles-pp.asm_exc_page_fault
       0.01 ±223%      +0.1        0.14 ± 25%  perf-profile.children.cycles-pp.local_clock
       0.06 ± 15%      +0.1        0.19 ± 15%  perf-profile.children.cycles-pp.prepend_path
       0.00            +0.1        0.14 ± 26%  perf-profile.children.cycles-pp.irqtime_account_process_tick
       0.03 ± 70%      +0.1        0.17 ± 25%  perf-profile.children.cycles-pp.note_gp_changes
       0.03 ±102%      +0.1        0.17 ± 31%  perf-profile.children.cycles-pp.strchr@plt
       0.05 ±  7%      +0.1        0.19 ± 20%  perf-profile.children.cycles-pp.siphash24_finalize
       0.00            +0.1        0.14 ± 20%  perf-profile.children.cycles-pp.seq_escape_mem
       0.15 ± 10%      +0.1        0.30 ± 31%  perf-profile.children.cycles-pp.trigger_load_balance
       0.00            +0.1        0.15 ± 17%  perf-profile.children.cycles-pp.format_decode
       0.19 ±  5%      +0.2        0.34 ± 21%  perf-profile.children.cycles-pp.ct_kernel_enter
       0.13 ± 14%      +0.2        0.28 ± 19%  perf-profile.children.cycles-pp.unix_stream_sendmsg
       0.14 ± 18%      +0.2        0.29 ± 17%  perf-profile.children.cycles-pp.sock_sendmsg
       0.00            +0.2        0.15 ± 28%  perf-profile.children.cycles-pp.process_srcu
       0.14 ± 17%      +0.2        0.30 ± 19%  perf-profile.children.cycles-pp.____sys_sendmsg
       0.00            +0.2        0.16 ± 52%  perf-profile.children.cycles-pp.timerqueue_del
       0.00            +0.2        0.16 ± 21%  perf-profile.children.cycles-pp.get_next_timer_interrupt
       0.03 ±100%      +0.2        0.19 ± 17%  perf-profile.children.cycles-pp.__d_path
       0.01 ±223%      +0.2        0.18 ± 15%  perf-profile.children.cycles-pp.delay_tsc
       0.02 ±141%      +0.2        0.18 ± 28%  perf-profile.children.cycles-pp.cpuidle_governor_latency_req
       0.00            +0.2        0.17 ± 28%  perf-profile.children.cycles-pp.hrtimer_next_event_without
       0.16 ± 18%      +0.2        0.32 ± 21%  perf-profile.children.cycles-pp.___sys_sendmsg
       0.00            +0.2        0.17 ± 47%  perf-profile.children.cycles-pp.kernfs_dop_revalidate
       0.16 ± 15%      +0.2        0.33 ± 22%  perf-profile.children.cycles-pp.__sys_sendmsg
       0.03 ±100%      +0.2        0.20 ± 16%  perf-profile.children.cycles-pp.check_cpu_stall
       0.00            +0.2        0.18 ± 20%  perf-profile.children.cycles-pp.timerqueue_add
       0.00            +0.2        0.18 ± 26%  perf-profile.children.cycles-pp.__hrtimer_next_event_base
       0.09 ± 13%      +0.2        0.28 ± 37%  perf-profile.children.cycles-pp.__x64_sys_readlinkat
       0.07 ± 17%      +0.2        0.26 ± 13%  perf-profile.children.cycles-pp.seq_path_root
       0.30 ±  3%      +0.2        0.49 ± 12%  perf-profile.children.cycles-pp.update_rq_clock
       0.19 ±  6%      +0.2        0.38 ± 18%  perf-profile.children.cycles-pp.ct_idle_exit
       0.21 ± 11%      +0.2        0.40 ±  4%  perf-profile.children.cycles-pp.sched_clock_cpu
       0.07 ± 17%      +0.2        0.26 ± 22%  perf-profile.children.cycles-pp.update_irq_load_avg
       0.10 ± 14%      +0.2        0.29 ± 34%  perf-profile.children.cycles-pp.do_readlinkat
       0.11 ± 34%      +0.2        0.31 ± 29%  perf-profile.children.cycles-pp.tick_sched_do_timer
       0.10 ± 15%      +0.2        0.30 ± 31%  perf-profile.children.cycles-pp.readlinkat
       0.02 ±141%      +0.2        0.22 ± 19%  perf-profile.children.cycles-pp.device_read_db_internal_filename
       0.01 ±223%      +0.2        0.22 ± 18%  perf-profile.children.cycles-pp.enqueue_hrtimer
       0.22 ± 12%      +0.2        0.43 ±  5%  perf-profile.children.cycles-pp.native_sched_clock
       0.11 ± 14%      +0.2        0.33 ± 19%  perf-profile.children.cycles-pp.path_compare
       0.05 ± 46%      +0.2        0.29 ± 10%  perf-profile.children.cycles-pp.__intel_pmu_enable_all
       0.12 ± 11%      +0.2        0.36 ±  7%  perf-profile.children.cycles-pp.irqtime_account_irq
       0.04 ± 72%      +0.2        0.28 ± 31%  perf-profile.children.cycles-pp.ktime_get_update_offsets_now
       0.16 ±  6%      +0.2        0.40 ±  8%  perf-profile.children.cycles-pp.rcu_pending
       0.22 ±  4%      +0.2        0.46 ±  6%  perf-profile.children.cycles-pp.native_irq_return_iret
       0.18 ± 12%      +0.3        0.44 ± 24%  perf-profile.children.cycles-pp.strcmp@plt
       0.08 ±  8%      +0.3        0.36 ± 15%  perf-profile.children.cycles-pp.seq_printf
       0.39 ± 10%      +0.3        0.67 ± 19%  perf-profile.children.cycles-pp.__close
       0.09 ± 21%      +0.3        0.37 ± 24%  perf-profile.children.cycles-pp.tick_nohz_next_event
       0.18 ±  9%      +0.3        0.47 ± 34%  perf-profile.children.cycles-pp.unit_name_is_valid
       0.18 ± 22%      +0.3        0.47 ± 33%  perf-profile.children.cycles-pp.__fxstat64
       0.00            +0.3        0.30 ± 19%  perf-profile.children.cycles-pp.memcpy_toio
       0.00            +0.3        0.30 ± 19%  perf-profile.children.cycles-pp.drm_atomic_helper_commit_tail_rpm
       0.00            +0.3        0.30 ± 19%  perf-profile.children.cycles-pp.drm_atomic_helper_commit_planes
       0.00            +0.3        0.30 ± 19%  perf-profile.children.cycles-pp.ast_primary_plane_helper_atomic_update
       0.00            +0.3        0.30 ± 19%  perf-profile.children.cycles-pp.drm_fb_memcpy
       0.22 ±  7%      +0.3        0.52 ± 20%  perf-profile.children.cycles-pp.update_blocked_averages
       0.00            +0.3        0.31 ± 23%  perf-profile.children.cycles-pp.commit_tail
       0.00            +0.3        0.31 ± 23%  perf-profile.children.cycles-pp.ast_mode_config_helper_atomic_commit_tail
       0.07 ±  6%      +0.3        0.39 ± 10%  perf-profile.children.cycles-pp.read_tsc
       0.32 ±  5%      +0.3        0.65 ± 15%  perf-profile.children.cycles-pp.schedule_timeout
       0.05 ± 46%      +0.3        0.38 ± 32%  perf-profile.children.cycles-pp.tick_irq_enter
       0.00            +0.3        0.33 ± 24%  perf-profile.children.cycles-pp.drm_atomic_commit
       0.00            +0.3        0.33 ± 24%  perf-profile.children.cycles-pp.drm_atomic_helper_commit
       0.00            +0.3        0.33 ± 24%  perf-profile.children.cycles-pp.drm_atomic_helper_dirtyfb
       0.06 ± 45%      +0.3        0.40 ± 27%  perf-profile.children.cycles-pp.irq_enter_rcu
       0.10 ±  8%      +0.3        0.45 ± 12%  perf-profile.children.cycles-pp.vsnprintf
       0.08 ± 11%      +0.4        0.44 ± 11%  perf-profile.children.cycles-pp.lapic_next_deadline
       0.09 ± 15%      +0.4        0.45 ± 25%  perf-profile.children.cycles-pp.run_rebalance_domains
       0.02 ±141%      +0.4        0.39 ± 27%  perf-profile.children.cycles-pp.drm_fb_helper_damage_work
       0.02 ±141%      +0.4        0.39 ± 27%  perf-profile.children.cycles-pp.drm_fbdev_fb_dirty
       0.18 ±  7%      +0.4        0.55 ±  6%  perf-profile.children.cycles-pp.rcu_sched_clock_irq
       0.21 ± 13%      +0.4        0.58 ± 11%  perf-profile.children.cycles-pp.arch_scale_freq_tick
       0.18 ±  8%      +0.4        0.60 ± 14%  perf-profile.children.cycles-pp.__wait_for_common
       0.10 ± 10%      +0.4        0.52 ± 17%  perf-profile.children.cycles-pp.perf_rotate_context
       0.14 ± 12%      +0.4        0.57 ± 21%  perf-profile.children.cycles-pp.malloc
       0.11 ± 14%      +0.5        0.58 ±  9%  perf-profile.children.cycles-pp.clockevents_program_event
       0.13 ± 20%      +0.5        0.61 ± 19%  perf-profile.children.cycles-pp.tick_nohz_get_sleep_length
       0.37 ±  9%      +0.5        0.89 ± 13%  perf-profile.children.cycles-pp.openat64
       0.18 ±  8%      +0.5        0.72 ± 14%  perf-profile.children.cycles-pp.rebalance_domains
       0.07 ± 11%      +0.6        0.63 ± 21%  perf-profile.children.cycles-pp.unregister_shrinker
       0.16 ±  7%      +0.6        0.74 ±  8%  perf-profile.children.cycles-pp.ktime_get
       0.00            +0.6        0.59 ± 18%  perf-profile.children.cycles-pp.__synchronize_srcu
       0.09 ± 13%      +0.6        0.70 ± 18%  perf-profile.children.cycles-pp.io_serial_in
       0.25 ±  3%      +0.6        0.88 ± 26%  perf-profile.children.cycles-pp.siphash24_compress
       0.16 ± 10%      +0.7        0.82 ± 12%  perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
       0.11 ±  6%      +0.8        0.88 ± 15%  perf-profile.children.cycles-pp.wait_for_lsr
       0.12 ±  6%      +0.8        0.90 ± 15%  perf-profile.children.cycles-pp.serial8250_console_write
       0.12 ±  7%      +0.8        0.92 ± 14%  perf-profile.children.cycles-pp.irq_work_run
       0.12 ±  7%      +0.8        0.92 ± 14%  perf-profile.children.cycles-pp._printk
       0.12 ±  7%      +0.8        0.92 ± 14%  perf-profile.children.cycles-pp.vprintk_emit
       0.12 ±  7%      +0.8        0.92 ± 14%  perf-profile.children.cycles-pp.console_unlock
       0.12 ±  7%      +0.8        0.92 ± 14%  perf-profile.children.cycles-pp.console_flush_all
       0.12 ±  7%      +0.8        0.92 ± 15%  perf-profile.children.cycles-pp.asm_sysvec_irq_work
       0.12 ±  7%      +0.8        0.92 ± 15%  perf-profile.children.cycles-pp.sysvec_irq_work
       0.12 ±  7%      +0.8        0.92 ± 15%  perf-profile.children.cycles-pp.__sysvec_irq_work
       0.12 ±  7%      +0.8        0.92 ± 15%  perf-profile.children.cycles-pp.irq_work_single
       0.44 ±  9%      +0.8        1.24 ± 13%  perf-profile.children.cycles-pp.device_set_syspath
       0.12 ±  5%      +0.8        0.94 ± 15%  perf-profile.children.cycles-pp.irq_work_run_list
       0.29 ± 10%      +0.9        1.16 ± 10%  perf-profile.children.cycles-pp.show_mountinfo
       0.48 ±  9%      +0.9        1.39 ± 11%  perf-profile.children.cycles-pp.sd_device_new_from_syspath
       0.40 ±  9%      +1.0        1.45 ±  9%  perf-profile.children.cycles-pp.seq_read_iter
       0.61 ±  4%      +1.1        1.76 ±  7%  perf-profile.children.cycles-pp.scheduler_tick
       0.42 ±  9%      +1.2        1.58 ± 10%  perf-profile.children.cycles-pp.vfs_read
       0.42 ±  8%      +1.2        1.59 ± 10%  perf-profile.children.cycles-pp.ksys_read
       0.44 ± 10%      +1.2        1.64 ± 10%  perf-profile.children.cycles-pp.read
       0.40 ±  8%      +1.3        1.70 ± 12%  perf-profile.children.cycles-pp.menu_select
       3.06 ±  5%      +1.4        4.44 ± 22%  perf-profile.children.cycles-pp.osq_lock
       0.84 ±  4%      +1.4        2.24 ±  8%  perf-profile.children.cycles-pp.__irq_exit_rcu
       1.02 ±  3%      +2.0        3.06 ±  5%  perf-profile.children.cycles-pp.update_process_times
       1.04 ±  3%      +2.1        3.17 ±  4%  perf-profile.children.cycles-pp.tick_sched_handle
       1.18 ±  4%      +2.5        3.71 ±  4%  perf-profile.children.cycles-pp.tick_sched_timer
       1.46 ±  3%      +3.8        5.24 ±  4%  perf-profile.children.cycles-pp.__hrtimer_run_queues
       1.70 ±  4%      +4.8        6.46 ±  3%  perf-profile.children.cycles-pp.hrtimer_interrupt
       1.71 ±  4%      +4.9        6.57 ±  3%  perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
       2.61 ±  3%      +7.0        9.63 ±  4%  perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
       3.30 ±  2%      +7.3       10.55 ±  5%  perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
      36.61            +9.7       46.29 ±  5%  perf-profile.children.cycles-pp.intel_idle
      40.81           +17.9       58.69 ±  5%  perf-profile.children.cycles-pp.cpuidle_enter_state
      40.82           +17.9       58.74 ±  5%  perf-profile.children.cycles-pp.cpuidle_enter
      42.42           +19.4       61.78 ±  5%  perf-profile.children.cycles-pp.start_secondary
      42.74           +19.6       62.33 ±  5%  perf-profile.children.cycles-pp.do_idle
      42.74           +19.6       62.33 ±  5%  perf-profile.children.cycles-pp.secondary_startup_64_no_verify
      42.74           +19.6       62.33 ±  5%  perf-profile.children.cycles-pp.cpu_startup_entry
      41.33           +19.6       60.93 ±  6%  perf-profile.children.cycles-pp.cpuidle_idle_call
       7.20 ±  2%      -5.5        1.65 ± 19%  perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
       4.96            -3.5        1.45 ± 20%  perf-profile.self.cycles-pp.memset_erms
       3.74 ±  3%      -2.7        1.01 ± 17%  perf-profile.self.cycles-pp.path_init
       3.76            -2.6        1.12 ± 22%  perf-profile.self.cycles-pp.rwsem_spin_on_owner
       1.83 ±  3%      -1.1        0.72 ± 20%  perf-profile.self.cycles-pp.mnt_get_count
       1.82            -1.1        0.72 ± 13%  perf-profile.self.cycles-pp._raw_spin_lock_irqsave
       1.22 ±  9%      -1.1        0.16 ± 57%  perf-profile.self.cycles-pp.intel_idle_irq
       1.15 ±  2%      -0.7        0.48 ± 24%  perf-profile.self.cycles-pp.pcpu_alloc
       0.81 ±  3%      -0.6        0.24 ± 23%  perf-profile.self.cycles-pp.lookup_mnt
       1.02            -0.5        0.52 ± 23%  perf-profile.self.cycles-pp._find_next_bit
       0.94 ±  2%      -0.5        0.47 ± 13%  perf-profile.self.cycles-pp.stress_rndstr
       1.57 ±  2%      -0.4        1.14 ± 13%  perf-profile.self.cycles-pp._raw_spin_lock
       0.49 ±  4%      -0.4        0.14 ± 31%  perf-profile.self.cycles-pp.__sync_rcu_exp_select_node_cpus
       0.74 ±  5%      -0.3        0.41 ± 28%  perf-profile.self.cycles-pp.smp_call_function_single
       0.55 ±  5%      -0.3        0.27 ± 25%  perf-profile.self.cycles-pp.mnt_get_writers
       0.30 ±  8%      -0.2        0.06 ± 54%  perf-profile.self.cycles-pp.free_percpu
       0.25 ±  7%      -0.2        0.07 ± 48%  perf-profile.self.cycles-pp.pcpu_alloc_area
       0.27 ±  4%      -0.2        0.09 ± 38%  perf-profile.self.cycles-pp.__list_del_entry_valid
       0.23 ±  4%      -0.2        0.05 ± 76%  perf-profile.self.cycles-pp.__flush_smp_call_function_queue
       0.27 ±  9%      -0.2        0.10 ±  9%  perf-profile.self.cycles-pp.__slab_free
       0.19 ±  7%      -0.2        0.03 ±101%  perf-profile.self.cycles-pp.rcu_exp_handler
       0.30 ± 11%      -0.2        0.14 ± 23%  perf-profile.self.cycles-pp.__schedule
       0.25 ±  9%      -0.1        0.10 ± 25%  perf-profile.self.cycles-pp.llist_add_batch
       0.23 ±  7%      -0.1        0.10 ± 31%  perf-profile.self.cycles-pp._find_next_zero_bit
       0.19 ± 10%      -0.1        0.06 ± 83%  perf-profile.self.cycles-pp.rcu_report_exp_cpu_mult
       0.28 ±  7%      -0.1        0.16 ± 18%  perf-profile.self.cycles-pp.mutex_spin_on_owner
       0.22 ±  6%      -0.1        0.09 ± 29%  perf-profile.self.cycles-pp.mntput_no_expire
       0.26 ±  7%      -0.1        0.13 ± 21%  perf-profile.self.cycles-pp.__legitimize_mnt
       0.44            -0.1        0.32 ± 11%  perf-profile.self.cycles-pp.strncpy_from_user
       0.15 ±  6%      -0.1        0.03 ±106%  perf-profile.self.cycles-pp.mutex_lock_killable
       0.21 ± 11%      -0.1        0.09 ± 15%  perf-profile.self.cycles-pp.step_into
       0.15 ±  7%      -0.1        0.03 ±100%  perf-profile.self.cycles-pp.llist_reverse_order
       0.18 ±  5%      -0.1        0.07 ± 16%  perf-profile.self.cycles-pp.lockref_get
       0.16 ±  5%      -0.1        0.04 ± 73%  perf-profile.self.cycles-pp.down_write
       0.16 ±  7%      -0.1        0.04 ± 73%  perf-profile.self.cycles-pp.__list_add_valid
       0.15 ±  8%      -0.1        0.04 ± 73%  perf-profile.self.cycles-pp.get_nr_dirty_inodes
       0.15 ±  6%      -0.1        0.04 ± 75%  perf-profile.self.cycles-pp.pcpu_next_fit_region
       0.23 ±  6%      -0.1        0.13 ± 10%  perf-profile.self.cycles-pp.stress_mwc32
       0.14 ±  6%      -0.1        0.05 ± 76%  perf-profile.self.cycles-pp.up_write
       0.16 ±  7%      -0.1        0.06 ± 11%  perf-profile.self.cycles-pp.get_nr_inodes
       0.12 ± 13%      -0.1        0.03 ±100%  perf-profile.self.cycles-pp.__lookup_mnt
       0.12 ±  6%      -0.1        0.03 ±108%  perf-profile.self.cycles-pp.__bitmap_clear
       0.18 ±  5%      -0.1        0.10 ± 18%  perf-profile.self.cycles-pp.__d_lookup_rcu
       0.18 ±  4%      -0.1        0.11 ± 27%  perf-profile.self.cycles-pp.lockref_put_return
       0.11 ± 11%      -0.1        0.03 ±101%  perf-profile.self.cycles-pp.apparmor_capable
       0.16 ±  6%      -0.1        0.08 ± 17%  perf-profile.self.cycles-pp.mutex_unlock
       0.15 ±  8%      -0.1        0.08 ± 17%  perf-profile.self.cycles-pp.task_work_add
       0.16 ±  8%      -0.1        0.09 ± 14%  perf-profile.self.cycles-pp.__call_rcu_common
       0.12 ± 23%      -0.1        0.06 ± 52%  perf-profile.self.cycles-pp.enqueue_task_fair
       0.12 ± 10%      -0.0        0.07 ± 30%  perf-profile.self.cycles-pp._raw_read_lock_irqsave
       0.11 ±  9%      -0.0        0.08 ± 21%  perf-profile.self.cycles-pp.__switch_to
       0.09 ±  9%      -0.0        0.06 ± 14%  perf-profile.self.cycles-pp.rcu_all_qs
       0.08 ± 10%      +0.0        0.12 ± 15%  perf-profile.self.cycles-pp.load_balance
       0.00            +0.1        0.07 ± 21%  perf-profile.self.cycles-pp.show_mountinfo
       0.00            +0.1        0.07 ± 27%  perf-profile.self.cycles-pp.tick_nohz_tick_stopped
       0.00            +0.1        0.07 ± 29%  perf-profile.self.cycles-pp.siphash24_init
       0.00            +0.1        0.07 ± 18%  perf-profile.self.cycles-pp._hashmap_iterate
       0.00            +0.1        0.08 ± 21%  perf-profile.self.cycles-pp.string_escape_mem
       0.00            +0.1        0.08 ± 16%  perf-profile.self.cycles-pp.up_read
       0.00            +0.1        0.08 ± 32%  perf-profile.self.cycles-pp.sysvec_apic_timer_interrupt
       0.11 ±  6%      +0.1        0.18 ± 14%  perf-profile.self.cycles-pp.rcu_pending
       0.16 ±  6%      +0.1        0.24 ± 16%  perf-profile.self.cycles-pp.ct_kernel_exit_state
       0.00            +0.1        0.08 ± 27%  perf-profile.self.cycles-pp.down_read
       0.04 ± 71%      +0.1        0.12 ± 27%  perf-profile.self.cycles-pp.__update_blocked_fair
       0.04 ± 44%      +0.1        0.13 ± 17%  perf-profile.self.cycles-pp.do_idle
       0.00            +0.1        0.09 ± 32%  perf-profile.self.cycles-pp.__irq_exit_rcu
       0.00            +0.1        0.09 ± 24%  perf-profile.self.cycles-pp.__do_softirq
       0.00            +0.1        0.09 ± 44%  perf-profile.self.cycles-pp.rebalance_domains
       0.00            +0.1        0.09 ± 13%  perf-profile.self.cycles-pp.strchr
       0.01 ±223%      +0.1        0.10 ± 22%  perf-profile.self.cycles-pp.prepend_path
       0.00            +0.1        0.10 ± 23%  perf-profile.self.cycles-pp.number
       0.06 ± 11%      +0.1        0.17 ± 17%  perf-profile.self.cycles-pp.memcpy_erms
       0.04 ± 71%      +0.1        0.14 ± 14%  perf-profile.self.cycles-pp.cfree
       0.00            +0.1        0.11 ± 12%  perf-profile.self.cycles-pp.vsnprintf
       0.00            +0.1        0.11 ± 26%  perf-profile.self.cycles-pp.strlen
       0.04 ± 71%      +0.1        0.15 ± 34%  perf-profile.self.cycles-pp.ct_kernel_enter
       0.00            +0.1        0.11 ± 15%  perf-profile.self.cycles-pp.hrtimer_interrupt
       0.00            +0.1        0.11 ± 22%  perf-profile.self.cycles-pp.timerqueue_add
       0.11 ± 12%      +0.1        0.22 ±  8%  perf-profile.self.cycles-pp._raw_spin_trylock
       0.00            +0.1        0.12 ± 29%  perf-profile.self.cycles-pp.scheduler_tick
       0.00            +0.1        0.12 ± 24%  perf-profile.self.cycles-pp.rdrand
       0.01 ±223%      +0.1        0.13 ± 23%  perf-profile.self.cycles-pp.tick_nohz_next_event
       0.04 ± 71%      +0.1        0.16 ± 14%  perf-profile.self.cycles-pp.irqtime_account_irq
       0.00            +0.1        0.13 ± 17%  perf-profile.self.cycles-pp.rcu_sched_clock_irq
       0.00            +0.1        0.14 ± 26%  perf-profile.self.cycles-pp.irqtime_account_process_tick
       0.00            +0.1        0.14 ± 17%  perf-profile.self.cycles-pp.format_decode
       0.15 ± 10%      +0.1        0.29 ± 33%  perf-profile.self.cycles-pp.trigger_load_balance
       0.03 ± 70%      +0.1        0.18 ± 21%  perf-profile.self.cycles-pp.siphash24_finalize
       0.00            +0.1        0.14 ± 34%  perf-profile.self.cycles-pp.perf_rotate_context
       0.01 ±223%      +0.1        0.16 ± 28%  perf-profile.self.cycles-pp.strchr@plt
       0.00            +0.2        0.15 ± 24%  perf-profile.self.cycles-pp.__hrtimer_next_event_base
       0.06 ± 13%      +0.2        0.21 ± 21%  perf-profile.self.cycles-pp.path_compare
       0.10 ± 37%      +0.2        0.26 ± 28%  perf-profile.self.cycles-pp.tick_sched_do_timer
       0.01 ±223%      +0.2        0.17 ± 24%  perf-profile.self.cycles-pp.update_process_times
       0.02 ± 99%      +0.2        0.18 ± 21%  perf-profile.self.cycles-pp.cpuidle_idle_call
       0.01 ±223%      +0.2        0.18 ± 15%  perf-profile.self.cycles-pp.delay_tsc
       0.00            +0.2        0.17 ± 21%  perf-profile.self.cycles-pp.device_read_db_internal_filename
       0.03 ±100%      +0.2        0.20 ± 16%  perf-profile.self.cycles-pp.check_cpu_stall
       0.07 ± 17%      +0.2        0.25 ± 24%  perf-profile.self.cycles-pp.update_irq_load_avg
       0.00            +0.2        0.19 ± 20%  perf-profile.self.cycles-pp.__hrtimer_run_queues
       0.02 ±141%      +0.2        0.22 ± 31%  perf-profile.self.cycles-pp.ktime_get_update_offsets_now
       0.21 ± 13%      +0.2        0.42 ±  5%  perf-profile.self.cycles-pp.native_sched_clock
       0.05 ± 46%      +0.2        0.29 ± 10%  perf-profile.self.cycles-pp.__intel_pmu_enable_all
       0.22 ±  4%      +0.2        0.46 ±  6%  perf-profile.self.cycles-pp.native_irq_return_iret
       0.17 ±  9%      +0.3        0.46 ± 35%  perf-profile.self.cycles-pp.unit_name_is_valid
       0.00            +0.3        0.30 ± 19%  perf-profile.self.cycles-pp.memcpy_toio
       0.10 ± 10%      +0.3        0.41 ± 17%  perf-profile.self.cycles-pp.ktime_get
       0.07 ±  9%      +0.3        0.38 ± 10%  perf-profile.self.cycles-pp.read_tsc
       0.08 ± 11%      +0.4        0.44 ± 11%  perf-profile.self.cycles-pp.lapic_next_deadline
       0.21 ± 13%      +0.4        0.58 ± 11%  perf-profile.self.cycles-pp.arch_scale_freq_tick
       0.12 ± 10%      +0.4        0.55 ± 21%  perf-profile.self.cycles-pp.malloc
       0.09 ± 13%      +0.6        0.70 ± 18%  perf-profile.self.cycles-pp.io_serial_in
       0.24 ±  6%      +0.6        0.84 ± 26%  perf-profile.self.cycles-pp.siphash24_compress
       0.21 ± 10%      +0.6        0.86 ±  6%  perf-profile.self.cycles-pp.menu_select
       0.20 ±  2%      +0.9        1.13 ± 12%  perf-profile.self.cycles-pp.cpuidle_enter_state
       3.02 ±  5%      +1.4        4.40 ± 22%  perf-profile.self.cycles-pp.osq_lock
      36.61            +9.7       46.29 ±  5%  perf-profile.self.cycles-pp.intel_idle


To reproduce:

         git clone https://github.com/intel/lkp-tests.git
         cd lkp-tests
         sudo bin/lkp install job.yaml           # job file is attached in this email
         bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
         sudo bin/lkp run generated-yaml-file

         # if come across any failure that blocks the test,
         # please remove ~/.lkp and /lkp dir to run from a clean state.


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.



--
Thanks,
Qi




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