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Message-ID: <eba38fce-2454-d7a4-10ef-240b4686f23d@linux.dev>
Date: Tue, 23 May 2023 11:05:51 +0800
From: Qi Zheng <qi.zheng@...ux.dev>
To: kernel test robot <yujie.liu@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com,
linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Vlastimil Babka <vbabka@...e.cz>, Kirill Tkhai <tkhai@...ru>,
Roman Gushchin <roman.gushchin@...ux.dev>,
Christian König <christian.koenig@....com>,
David Hildenbrand <david@...hat.com>,
Davidlohr Bueso <dave@...olabs.net>,
Johannes Weiner <hannes@...xchg.org>,
Michal Hocko <mhocko@...nel.org>,
Muchun Song <muchun.song@...ux.dev>,
"Paul E. McKenney" <paulmck@...nel.org>,
Shakeel Butt <shakeelb@...gle.com>,
Yang Shi <shy828301@...il.com>, linux-mm@...ck.org,
ying.huang@...el.com, feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linus:master] [mm] f95bdb700b: stress-ng.ramfs.ops_per_sec
-88.8% regression
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@...el.com>
> | Closes: https://lore.kernel.org/oe-lkp/202305230837.db2c233f-yujie.liu@intel.com
>
>
> 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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