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Message-ID: <CAGudoHFrMkdo1CoVxJUiEvQ_DyW3hzaCz18GjvLi4ny=o-q9ZQ@mail.gmail.com>
Date: Thu, 27 Jun 2024 09:00:14 +0200
From: Mateusz Guzik <mjguzik@...il.com>
To: kernel test robot <oliver.sang@...el.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>, oe-lkp@...ts.linux.dev, lkp@...el.com,
Linux Memory Management List <linux-mm@...ck.org>, Christian Brauner <brauner@...nel.org>, linux-kernel@...r.kernel.org,
ying.huang@...el.com, feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linux-next:master] [lockref] d042dae6ad: unixbench.throughput
-33.7% regression
I'm arranging access to a 128-way machine to prod, will report back
after I can profile on it.
On Thu, Jun 27, 2024 at 8:25 AM Mateusz Guzik <mjguzik@...il.com> wrote:
>
> On Thu, Jun 27, 2024 at 4:41 AM kernel test robot <oliver.sang@...el.com> wrote:
> >
> >
> >
> > Hello,
> >
> > kernel test robot noticed a -33.7% regression of unixbench.throughput on:
> >
> >
> > commit: d042dae6ad74df8a00ee8a3c6b77b53bc9e32f64 ("lockref: speculatively spin waiting for the lock to be released")
> > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> >
> > testcase: unixbench
> > test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> > parameters:
> >
> > runtime: 300s
> > nr_task: 100%
> > test: shell1
> > cpufreq_governor: performance
> >
> >
> > In addition to that, the commit also has significant impact on the following tests:
> >
> > +------------------+-------------------------------------------------------------------------------------------+
> > | testcase: change | stress-ng: stress-ng.getdent.ops_per_sec -56.5% regression |
> > | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory |
> > | test parameters | cpufreq_governor=performance |
> > | | disk=1HDD |
> > | | fs=ext4 |
> > | | nr_threads=100% |
> > | | test=getdent |
> > | | testtime=60s |
> > +------------------+-------------------------------------------------------------------------------------------+
>
> I don't know what about that blogbench thing yet.
>
> As far as this one goes I booted my 24-way vm and ran stress-ng --getdent 24.
>
> Even at that scale there is plenty of off cpu time:
> %Cpu(s): 3.2 us, 50.3 sy, 0.0 ni, 34.5 id, 0.0 wa, 0.0 hi, 0.0 si, 12.0 st
>
> As in threads keep being put off cpu.
>
> Turns out this benchmark uses fs/eventfs, not a normal filesystem.
>
> Top spinning spots:
>
> @[
> osq_lock+5
> __mutex_lock.constprop.0+138
> eventfs_iterate+121
> iterate_dir+286
> __x64_sys_getdents+136
> do_syscall_64+82
> entry_SYSCALL_64_after_hwframe+118
> ]: 234292
> @[
> osq_lock+5
> __mutex_lock.constprop.0+138
> eventfs_iterate+121
> iterate_dir+286
> __x64_sys_getdents64+136
> do_syscall_64+82
> entry_SYSCALL_64_after_hwframe+118
> ]: 234705
> @[
> osq_lock+5
> __mutex_lock.constprop.0+138
> eventfs_iterate+356
> iterate_dir+286
> __x64_sys_getdents+136
> do_syscall_64+82
> entry_SYSCALL_64_after_hwframe+118
> ]: 530114
> @[
> osq_lock+5
> __mutex_lock.constprop.0+138
> eventfs_iterate+356
> iterate_dir+286
> __x64_sys_getdents64+136
> do_syscall_64+82
> entry_SYSCALL_64_after_hwframe+118
> ]: 530231
>
> eventfs_iterate has the following goodies:
> mutex_lock(&eventfs_mutex);
> ei = READ_ONCE(ti->private);
> if (ei && ei->is_freed)
> ei = NULL;
> mutex_unlock(&eventfs_mutex);
>
> if (!ei)
> goto out;
>
> /*
> * Need to create the dentries and inodes to have a consistent
> * inode number.
> */
> ret = 0;
>
> /* Start at 'c' to jump over already read entries */
> for (i = c; i < ei->nr_entries; i++, ctx->pos++) {
> void *cdata = ei->data;
>
> entry = &ei->entries[i];
> name = entry->name;
>
> mutex_lock(&eventfs_mutex);
> /* If ei->is_freed then just bail here, nothing more to do */
> if (ei->is_freed) {
> mutex_unlock(&eventfs_mutex);
> goto out;
> }
> r = entry->callback(name, &mode, &cdata, &fops);
> mutex_unlock(&eventfs_mutex);
>
> That is to say takes mutex on entry and then relocks it for every
> emitted element.
>
> less spinning on locks must have put more pressure here resulting in
> more off cpu time.
>
> This is basically a typical sad case of enough speed up to cause a
> slowdown because a more degrading component got more work.
>
> However, arguably even with the mutex thing it should have stayed
> consistnely on cpu. I can't get an offcpu backtrace at the moment,
> I'll poke around and get back to you over the weekend.
>
> > | testcase: change | stress-ng: stress-ng.getdent.ops_per_sec -54.6% regression |
> > | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory |
> > | test parameters | cpufreq_governor=performance |
> > | | disk=1HDD |
> > | | fs=xfs |
> > | | nr_threads=100% |
> > | | test=getdent |
> > | | testtime=60s |
> > +------------------+-------------------------------------------------------------------------------------------+
> > | testcase: change | stress-ng: stress-ng.handle.ops_per_sec -60.2% regression |
> > | test machine | 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory |
> > | test parameters | cpufreq_governor=performance |
> > | | disk=1HDD |
> > | | fs=btrfs |
> > | | nr_threads=100% |
> > | | test=handle |
> > | | testtime=60s |
> > +------------------+-------------------------------------------------------------------------------------------+
> >
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <oliver.sang@...el.com>
> > | Closes: https://lore.kernel.org/oe-lkp/202406270912.633e6c61-oliver.sang@intel.com
> >
> >
> > Details are as below:
> > -------------------------------------------------------------------------------------------------->
> >
> >
> > The kernel config and materials to reproduce are available at:
> > https://download.01.org/0day-ci/archive/20240627/202406270912.633e6c61-oliver.sang@intel.com
> >
> > =========================================================================================
> > compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase:
> > gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/300s/lkp-icl-2sp9/shell1/unixbench
> >
> > commit:
> > 267574dee6 ("bcachefs: remove now spurious i_state initialization")
> > d042dae6ad ("lockref: speculatively spin waiting for the lock to be released")
> >
> > 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7
> > ---------------- ---------------------------
> > %stddev %change %stddev
> > \ | \
> > 66668 ą 21% -42.2% 38533 ą 38% numa-meminfo.node1.Mapped
> > 18895 -16.6% 15755 uptime.idle
> > 1.694e+10 -19.3% 1.368e+10 cpuidle..time
> > 1.73e+08 -34.6% 1.131e+08 cpuidle..usage
> > 2519063 -10.4% 2257044 meminfo.Active
> > 2518692 -10.4% 2256964 meminfo.Active(anon)
> > 98218 ą 3% -14.3% 84210 meminfo.Mapped
> > 2632805 -10.8% 2348382 meminfo.Shmem
> > 4.637e+08 -33.5% 3.083e+08 numa-numastat.node0.local_node
> > 4.638e+08 -33.5% 3.083e+08 numa-numastat.node0.numa_hit
> > 4.623e+08 -33.4% 3.078e+08 numa-numastat.node1.local_node
> > 4.624e+08 -33.4% 3.078e+08 numa-numastat.node1.numa_hit
> > 42.33 -19.7% 33.98 vmstat.cpu.id
> > 38.88 ą 2% +19.5% 46.46 ą 2% vmstat.procs.r
> > 598112 -31.3% 410958 vmstat.system.cs
> > 339581 -24.9% 255122 vmstat.system.in
> > 4.637e+08 -33.5% 3.083e+08 numa-vmstat.node0.numa_hit
> > 4.637e+08 -33.5% 3.083e+08 numa-vmstat.node0.numa_local
> > 16902 ą 22% -41.4% 9904 ą 38% numa-vmstat.node1.nr_mapped
> > 4.623e+08 -33.4% 3.078e+08 numa-vmstat.node1.numa_hit
> > 4.623e+08 -33.4% 3.078e+08 numa-vmstat.node1.numa_local
> > 3589 ą 2% -21.5% 2817 perf-c2c.DRAM.local
> > 23348 -13.7% 20144 perf-c2c.DRAM.remote
> > 21000 -12.5% 18378 perf-c2c.HITM.local
> > 15566 -15.1% 13213 perf-c2c.HITM.remote
> > 36567 -13.6% 31591 perf-c2c.HITM.total
> > 42.20 -8.4 33.82 mpstat.cpu.all.idle%
> > 0.00 ą 40% -0.0 0.00 ą 46% mpstat.cpu.all.iowait%
> > 0.94 -0.2 0.72 mpstat.cpu.all.irq%
> > 0.58 -0.1 0.44 mpstat.cpu.all.soft%
> > 48.63 +11.3 59.91 mpstat.cpu.all.sys%
> > 7.66 -2.5 5.11 mpstat.cpu.all.usr%
> > 63.66 +12.8% 71.79 mpstat.max_utilization_pct
> > 32070 -33.7% 21253 unixbench.score
> > 135979 -33.7% 90114 unixbench.throughput
> > 8158942 -25.3% 6093181 unixbench.time.involuntary_context_switches
> > 290307 ą 3% -45.0% 159813 ą 3% unixbench.time.major_page_faults
> > 1.151e+09 -33.6% 7.644e+08 unixbench.time.minor_page_faults
> > 3513 +16.5% 4092 unixbench.time.percent_of_cpu_this_job_got
> > 17556 +34.0% 23525 unixbench.time.system_time
> > 4600 -50.2% 2290 unixbench.time.user_time
> > 1.87e+08 -26.4% 1.377e+08 unixbench.time.voluntary_context_switches
> > 85735355 -33.7% 56816908 unixbench.workload
> > 629615 -10.4% 564266 proc-vmstat.nr_active_anon
> > 1444170 -5.0% 1372570 proc-vmstat.nr_file_pages
> > 208895 -2.6% 203360 proc-vmstat.nr_inactive_anon
> > 24755 ą 3% -14.4% 21183 proc-vmstat.nr_mapped
> > 658148 -10.8% 587129 proc-vmstat.nr_shmem
> > 26716 -1.3% 26369 proc-vmstat.nr_slab_reclaimable
> > 47823 -2.1% 46838 proc-vmstat.nr_slab_unreclaimable
> > 629615 -10.4% 564266 proc-vmstat.nr_zone_active_anon
> > 208896 -2.7% 203360 proc-vmstat.nr_zone_inactive_anon
> > 9.261e+08 -33.5% 6.161e+08 proc-vmstat.numa_hit
> > 9.26e+08 -33.5% 6.161e+08 proc-vmstat.numa_local
> > 637452 -8.6% 582748 proc-vmstat.pgactivate
> > 1.644e+09 -33.5% 1.093e+09 proc-vmstat.pgalloc_normal
> > 1.154e+09 -33.5% 7.669e+08 proc-vmstat.pgfault
> > 1.643e+09 -33.5% 1.092e+09 proc-vmstat.pgfree
> > 56834055 -33.4% 37832459 proc-vmstat.pgreuse
> > 1352648 -33.5% 898973 proc-vmstat.thp_fault_alloc
> > 18937408 -33.5% 12585970 proc-vmstat.unevictable_pgs_culled
> > 3.37 -3.3% 3.26 perf-stat.i.MPKI
> > 1.367e+10 -26.4% 1.006e+10 perf-stat.i.branch-instructions
> > 1.65 -0.1 1.54 perf-stat.i.branch-miss-rate%
> > 2.225e+08 -31.8% 1.517e+08 perf-stat.i.branch-misses
> > 22.57 +0.6 23.19 perf-stat.i.cache-miss-rate%
> > 2.309e+08 -30.4% 1.607e+08 perf-stat.i.cache-misses
> > 1.01e+09 -32.4% 6.832e+08 perf-stat.i.cache-references
> > 600019 -31.3% 412413 perf-stat.i.context-switches
> > 2.03 +54.9% 3.14 perf-stat.i.cpi
> > 1.388e+11 +12.2% 1.558e+11 perf-stat.i.cpu-cycles
> > 149359 -41.6% 87198 perf-stat.i.cpu-migrations
> > 607.93 +58.6% 964.42 perf-stat.i.cycles-between-cache-misses
> > 6.741e+10 -28.0% 4.856e+10 perf-stat.i.instructions
> > 0.50 -33.4% 0.33 perf-stat.i.ipc
> > 459.84 ą 3% -45.0% 252.95 ą 3% perf-stat.i.major-faults
> > 67.57 -33.6% 44.90 perf-stat.i.metric.K/sec
> > 1788636 -33.6% 1187710 perf-stat.i.minor-faults
> > 1789096 -33.6% 1187963 perf-stat.i.page-faults
> > 3.42 -19.4% 2.76 ą 44% perf-stat.overall.MPKI
> > 1.63 -0.4 1.26 ą 44% perf-stat.overall.branch-miss-rate%
> > 0.49 -46.3% 0.26 ą 44% perf-stat.overall.ipc
> > 1.365e+10 -38.5% 8.401e+09 ą 44% perf-stat.ps.branch-instructions
> > 2.221e+08 -42.9% 1.268e+08 ą 44% perf-stat.ps.branch-misses
> > 2.305e+08 -41.7% 1.343e+08 ą 44% perf-stat.ps.cache-misses
> > 1.009e+09 -43.3% 5.714e+08 ą 44% perf-stat.ps.cache-references
> > 598981 -42.5% 344546 ą 44% perf-stat.ps.context-switches
> > 149116 -51.1% 72968 ą 44% perf-stat.ps.cpu-migrations
> > 6.731e+10 -39.8% 4.055e+10 ą 44% perf-stat.ps.instructions
> > 459.54 ą 3% -54.1% 211.13 ą 44% perf-stat.ps.major-faults
> > 1785795 -44.4% 992658 ą 44% perf-stat.ps.minor-faults
> > 1786254 -44.4% 992869 ą 44% perf-stat.ps.page-faults
> > 4.252e+13 -39.7% 2.562e+13 ą 44% perf-stat.total.instructions
> > 12248217 +18.2% 14471390 sched_debug.cfs_rq:/.avg_vruntime.avg
> > 13350177 ą 2% +15.0% 15350925 sched_debug.cfs_rq:/.avg_vruntime.max
> > 11977215 +18.2% 14153258 sched_debug.cfs_rq:/.avg_vruntime.min
> > 0.60 ą 4% +23.0% 0.74 ą 3% sched_debug.cfs_rq:/.h_nr_running.avg
> > 1255909 ą 22% -41.9% 730155 ą 49% sched_debug.cfs_rq:/.left_deadline.stddev
> > 1255900 ą 22% -41.9% 730149 ą 49% sched_debug.cfs_rq:/.left_vruntime.stddev
> > 25775 ą 14% -31.9% 17541 ą 24% sched_debug.cfs_rq:/.load.avg
> > 111073 ą 20% -48.6% 57125 ą 57% sched_debug.cfs_rq:/.load.stddev
> > 72.86 ą 4% -23.0% 56.07 ą 11% sched_debug.cfs_rq:/.load_avg.avg
> > 13.98 ą 4% -17.7% 11.52 ą 5% sched_debug.cfs_rq:/.load_avg.min
> > 167.77 ą 7% -20.9% 132.67 ą 19% sched_debug.cfs_rq:/.load_avg.stddev
> > 12248217 +18.2% 14471390 sched_debug.cfs_rq:/.min_vruntime.avg
> > 13350177 ą 2% +15.0% 15350925 sched_debug.cfs_rq:/.min_vruntime.max
> > 11977215 +18.2% 14153258 sched_debug.cfs_rq:/.min_vruntime.min
> > 0.56 ą 4% +13.3% 0.63 ą 2% sched_debug.cfs_rq:/.nr_running.avg
> > 33.64 ą 9% -31.9% 22.91 ą 25% sched_debug.cfs_rq:/.removed.load_avg.avg
> > 152.13 ą 9% -22.1% 118.47 ą 23% sched_debug.cfs_rq:/.removed.load_avg.stddev
> > 1255900 ą 22% -41.9% 730149 ą 49% sched_debug.cfs_rq:/.right_vruntime.stddev
> > 95.73 ą 4% +38.2% 132.32 ą 3% sched_debug.cfs_rq:/.util_est.avg
> > 514.30 ą 4% +21.0% 622.26 ą 9% sched_debug.cfs_rq:/.util_est.max
> > 126.26 ą 3% +14.4% 144.47 ą 5% sched_debug.cfs_rq:/.util_est.stddev
> > 157210 ą 2% +19.3% 187543 sched_debug.cpu.avg_idle.avg
> > 38689 ą 11% +45.3% 56231 ą 4% sched_debug.cpu.avg_idle.min
> > 1131966 ą 3% +13.6% 1285770 sched_debug.cpu.curr->pid.avg
> > 0.61 ą 4% +23.0% 0.75 ą 3% sched_debug.cpu.nr_running.avg
> > 2807835 -31.2% 1931685 sched_debug.cpu.nr_switches.avg
> > 2868532 -31.3% 1970626 sched_debug.cpu.nr_switches.max
> > 2711163 -31.1% 1866782 sched_debug.cpu.nr_switches.min
> > 31518 ą 11% -36.8% 19934 ą 21% sched_debug.cpu.nr_switches.stddev
> > 0.88 ą 14% -29.6% 0.62 ą 14% sched_debug.cpu.nr_uninterruptible.avg
> > 50293 ą 22% -71.2% 14501 ą 18% sched_debug.cpu.nr_uninterruptible.max
> > -43562 -52.2% -20815 sched_debug.cpu.nr_uninterruptible.min
> > 19392 ą 13% -63.2% 7134 ą 9% sched_debug.cpu.nr_uninterruptible.stddev
> > 7.02 ą 4% -4.1 2.92 ą 7% perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 7.00 ą 4% -4.1 2.91 ą 7% perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.96 ą 4% -4.1 2.88 ą 7% perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.89 ą 4% -4.0 2.84 ą 7% perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64
> > 7.34 -3.7 3.64 ą 6% perf-profile.calltrace.cycles-pp.bprm_execve.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.86 -3.5 3.31 perf-profile.calltrace.cycles-pp.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve.do_syscall_64
> > 6.84 -3.5 3.30 perf-profile.calltrace.cycles-pp.search_binary_handler.exec_binprm.bprm_execve.do_execveat_common.__x64_sys_execve
> > 7.94 -3.5 4.44 perf-profile.calltrace.cycles-pp.execve
> > 7.93 -3.5 4.44 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
> > 7.93 -3.5 4.44 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.execve
> > 7.92 -3.5 4.44 perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
> > 7.92 -3.5 4.43 perf-profile.calltrace.cycles-pp.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
> > 6.72 -3.5 3.26 perf-profile.calltrace.cycles-pp.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve.do_execveat_common
> > 4.60 ą 8% -2.8 1.84 ą 7% perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap.vm_mmap_pgoff
> > 6.78 -2.7 4.03 perf-profile.calltrace.cycles-pp.asm_exc_page_fault
> > 4.56 ą 4% -2.7 1.86 ą 7% perf-profile.calltrace.cycles-pp.do_vmi_munmap.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff
> > 5.32 -2.7 2.63 ą 2% perf-profile.calltrace.cycles-pp.__mmput.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group
> > 5.32 -2.7 2.64 ą 2% perf-profile.calltrace.cycles-pp.exit_mm.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
> > 5.30 -2.7 2.62 ą 2% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exit_mm.do_exit.do_group_exit
> > 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.54 -2.6 3.92 perf-profile.calltrace.cycles-pp.do_group_exit.__x64_sys_exit_group.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.24 -2.5 3.71 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
> > 6.21 -2.5 3.70 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
> > 5.68 -2.3 3.38 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
> > 5.47 -2.2 3.26 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
> > 4.84 -2.0 2.80 ą 2% perf-profile.calltrace.cycles-pp.common_startup_64
> > 4.77 -2.0 2.76 ą 2% perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64
> > 4.76 -2.0 2.75 ą 2% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64
> > 4.76 -2.0 2.75 ą 2% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64
> > 2.92 ą 4% -1.7 1.20 ą 7% perf-profile.calltrace.cycles-pp.__split_vma.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap
> > 4.09 -1.7 2.38 ą 2% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64
> > 3.80 -1.6 2.22 ą 2% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
> > 3.79 -1.6 2.21 ą 2% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
> > 3.76 -1.6 2.19 ą 2% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter
> > 3.37 ą 6% -1.6 1.80 ą 2% perf-profile.calltrace.cycles-pp.copy_process.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 3.65 -1.5 2.12 ą 2% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
> > 2.49 ą 5% -1.5 0.96 ą 8% perf-profile.calltrace.cycles-pp.vma_prepare.__split_vma.do_vmi_align_munmap.do_vmi_munmap.mmap_region
> > 3.04 -1.4 1.60 ą 2% perf-profile.calltrace.cycles-pp.begin_new_exec.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve
> > 3.61 -1.4 2.19 perf-profile.calltrace.cycles-pp._Fork
> > 2.18 ą 5% -1.4 0.78 ą 10% perf-profile.calltrace.cycles-pp.down_write.vma_prepare.__split_vma.do_vmi_align_munmap.do_vmi_munmap
> > 2.15 ą 5% -1.4 0.77 ą 10% perf-profile.calltrace.cycles-pp.rwsem_down_write_slowpath.down_write.vma_prepare.__split_vma.do_vmi_align_munmap
> > 2.88 -1.4 1.51 perf-profile.calltrace.cycles-pp.exec_mmap.begin_new_exec.load_elf_binary.search_binary_handler.exec_binprm
> > 2.13 ą 5% -1.4 0.76 ą 10% perf-profile.calltrace.cycles-pp.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.vma_prepare.__split_vma
> > 2.25 -1.4 0.88 ą 2% perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap.__mmput
> > 2.21 -1.3 0.87 ą 2% perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.exit_mmap
> > 2.15 ą 4% -1.3 0.84 ą 4% perf-profile.calltrace.cycles-pp.free_pgtables.exit_mmap.__mmput.exit_mm.do_exit
> > 1.91 ą 5% -1.3 0.64 ą 11% perf-profile.calltrace.cycles-pp.osq_lock.rwsem_optimistic_spin.rwsem_down_write_slowpath.down_write.vma_prepare
> > 2.62 -1.3 1.36 ą 2% perf-profile.calltrace.cycles-pp.__mmput.exec_mmap.begin_new_exec.load_elf_binary.search_binary_handler
> > 3.22 -1.3 1.96 perf-profile.calltrace.cycles-pp.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
> > 3.22 -1.3 1.96 ą 2% perf-profile.calltrace.cycles-pp.kernel_clone.__do_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
> > 3.22 -1.3 1.96 ą 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe._Fork
> > 3.22 -1.3 1.96 ą 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe._Fork
> > 2.61 -1.3 1.35 ą 2% perf-profile.calltrace.cycles-pp.exit_mmap.__mmput.exec_mmap.begin_new_exec.load_elf_binary
> > 1.60 ą 4% -1.2 0.36 ą 70% perf-profile.calltrace.cycles-pp.unlink_file_vma.free_pgtables.exit_mmap.__mmput.exit_mm
> > 1.90 -1.1 0.75 ą 2% perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas
> > 2.25 ą 2% -1.1 1.11 ą 3% perf-profile.calltrace.cycles-pp.dup_mm.copy_process.kernel_clone.__do_sys_clone.do_syscall_64
> > 1.40 ą 4% -1.1 0.28 ą100% perf-profile.calltrace.cycles-pp.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap.mmap_region
> > 1.37 ą 4% -1.1 0.27 ą100% perf-profile.calltrace.cycles-pp.unlink_file_vma.free_pgtables.unmap_region.do_vmi_align_munmap.do_vmi_munmap
> > 1.35 ą 4% -1.1 0.26 ą100% perf-profile.calltrace.cycles-pp.down_write.unlink_file_vma.free_pgtables.unmap_region.do_vmi_align_munmap
> > 1.99 ą 2% -1.0 0.96 ą 3% perf-profile.calltrace.cycles-pp.dup_mmap.dup_mm.copy_process.kernel_clone.__do_sys_clone
> > 3.48 ą 3% -1.0 2.45 ą 2% perf-profile.calltrace.cycles-pp.dput.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk
> > 2.44 -1.0 1.43 ą 2% perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
> > 3.45 ą 3% -1.0 2.44 ą 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.d_alloc_parallel.__lookup_slow.walk_component
> > 1.54 ą 4% -1.0 0.59 ą 8% perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.mmap_region.do_mmap
> > 3.19 ą 12% -0.9 2.24 ą 11% perf-profile.calltrace.cycles-pp.rwsem_down_read_slowpath.down_read.walk_component.link_path_walk.path_openat
> > 3.34 ą 3% -0.9 2.42 ą 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.d_alloc_parallel.__lookup_slow
> > 3.33 ą 11% -0.9 2.42 ą 10% perf-profile.calltrace.cycles-pp.down_read.walk_component.link_path_walk.path_openat.do_filp_open
> > 2.14 -0.9 1.25 perf-profile.calltrace.cycles-pp.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
> > 2.02 -0.9 1.16 ą 2% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
> > 3.22 ą 3% -0.9 2.36 ą 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__dentry_kill.dput.d_alloc_parallel
> > 2.04 -0.8 1.19 ą 2% perf-profile.calltrace.cycles-pp.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault.handle_mm_fault
> > 1.00 ą 2% -0.7 0.25 ą100% perf-profile.calltrace.cycles-pp.__split_vma.vma_modify.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect
> > 1.66 -0.7 0.95 ą 2% perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.__mmput.exit_mm.do_exit
> > 0.94 -0.7 0.26 ą100% perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.exit_mmap.__mmput.exit_mm
> > 1.02 ą 2% -0.7 0.35 ą 70% perf-profile.calltrace.cycles-pp.vma_modify.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64
> > 1.57 -0.7 0.90 ą 2% perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.__mmput.exit_mm
> > 2.68 ą 13% -0.6 2.04 ą 12% perf-profile.calltrace.cycles-pp.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.walk_component.link_path_walk
> > 2.68 ą 13% -0.6 2.03 ą 12% perf-profile.calltrace.cycles-pp.schedule.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read.walk_component
> > 2.66 ą 13% -0.6 2.02 ą 12% perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_preempt_disabled.rwsem_down_read_slowpath.down_read
> > 1.29 -0.6 0.67 ą 2% perf-profile.calltrace.cycles-pp.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 1.29 -0.6 0.67 ą 3% perf-profile.calltrace.cycles-pp.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 2.06 -0.6 1.46 ą 3% perf-profile.calltrace.cycles-pp.__lookup_slow.walk_component.link_path_walk.path_lookupat.filename_lookup
> > 1.43 -0.6 0.87 perf-profile.calltrace.cycles-pp.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
> > 1.97 -0.6 1.41 ą 3% perf-profile.calltrace.cycles-pp.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk.path_lookupat
> > 1.14 -0.6 0.58 ą 3% perf-profile.calltrace.cycles-pp.mprotect_fixup.do_mprotect_pkey.__x64_sys_mprotect.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 1.40 -0.6 0.85 perf-profile.calltrace.cycles-pp.clear_huge_page.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault
> > 1.11 ą 2% -0.5 0.58 ą 2% perf-profile.calltrace.cycles-pp.load_elf_interp.load_elf_binary.search_binary_handler.exec_binprm.bprm_execve
> > 0.96 -0.5 0.43 ą 44% perf-profile.calltrace.cycles-pp.tlb_finish_mmu.exit_mmap.__mmput.exit_mm.do_exit
> > 1.11 ą 2% -0.5 0.58 ą 2% perf-profile.calltrace.cycles-pp.elf_load.load_elf_interp.load_elf_binary.search_binary_handler.exec_binprm
> > 1.29 -0.5 0.78 perf-profile.calltrace.cycles-pp.clear_page_erms.clear_huge_page.__do_huge_pmd_anonymous_page.__handle_mm_fault.handle_mm_fault
> > 1.18 ą 2% -0.5 0.69 ą 2% perf-profile.calltrace.cycles-pp.next_uptodate_folio.filemap_map_pages.do_read_fault.do_fault.__handle_mm_fault
> > 1.12 -0.5 0.62 perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 1.11 -0.5 0.62 ą 2% perf-profile.calltrace.cycles-pp.do_execveat_common.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 1.07 ą 2% -0.5 0.62 ą 2% perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter.cpuidle_enter_state
> > 0.90 ą 2% -0.4 0.52 perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.acpi_safe_halt.acpi_idle_enter
> > 1.16 -0.2 1.01 perf-profile.calltrace.cycles-pp.open64
> > 1.14 -0.1 0.99 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
> > 1.12 -0.1 0.98 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 1.13 -0.1 0.99 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 1.12 -0.1 0.98 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 0.91 -0.1 0.78 ą 2% perf-profile.calltrace.cycles-pp.unlinkat
> > 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat
> > 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.unlinkat
> > 0.90 -0.1 0.78 perf-profile.calltrace.cycles-pp.__x64_sys_unlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat
> > 0.89 -0.1 0.78 ą 2% perf-profile.calltrace.cycles-pp.do_unlinkat.__x64_sys_unlinkat.do_syscall_64.entry_SYSCALL_64_after_hwframe.unlinkat
> > 0.88 -0.1 0.79 ą 5% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_lookupat
> > 3.18 +0.1 3.30 ą 3% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_lookupat.filename_lookup.vfs_statx
> > 0.53 ą 3% +0.2 0.68 ą 3% perf-profile.calltrace.cycles-pp.fstatat64
> > 0.70 ą 3% +0.2 0.88 perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 0.54 ą 3% +0.2 0.73 perf-profile.calltrace.cycles-pp.d_alloc.d_alloc_parallel.lookup_open.open_last_lookups.path_openat
> > 0.68 ą 3% +0.2 0.87 perf-profile.calltrace.cycles-pp.d_alloc_parallel.lookup_open.open_last_lookups.path_openat.do_filp_open
> > 0.44 ą 44% +0.3 0.71 perf-profile.calltrace.cycles-pp._raw_spin_lock.d_alloc.d_alloc_parallel.lookup_open.open_last_lookups
> > 0.54 ą 3% +0.3 0.87 ą 2% perf-profile.calltrace.cycles-pp.dput.step_into.open_last_lookups.path_openat.do_filp_open
> > 0.54 ą 2% +0.3 0.88 ą 2% perf-profile.calltrace.cycles-pp.step_into.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 0.54 ą 2% +0.3 0.87 ą 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.open_last_lookups.path_openat
> > 0.35 ą 70% +0.3 0.70 ą 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.d_alloc.d_alloc_parallel.lookup_open
> > 0.44 ą 44% +0.4 0.86 ą 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.step_into.open_last_lookups
> > 0.77 ą 4% +0.4 1.20 ą 2% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 0.75 ą 4% +0.4 1.18 ą 2% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat
> > 0.75 ą 4% +0.4 1.18 ą 2% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups
> > 0.75 ą 4% +0.4 1.18 ą 2% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open
> > 3.69 +0.5 4.16 ą 3% perf-profile.calltrace.cycles-pp.link_path_walk.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat
> > 0.17 ą141% +0.5 0.66 ą 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
> > 0.17 ą141% +0.5 0.66 ą 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.fstatat64
> > 0.08 ą223% +0.6 0.65 ą 3% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
> > 0.00 +0.6 0.62 ą 7% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.path_put.exit_fs
> > 0.00 +0.6 0.62 ą 7% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.path_put.exit_fs.do_exit
> > 0.00 +0.6 0.63 ą 3% perf-profile.calltrace.cycles-pp.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe.fstatat64
> > 1.06 +0.7 1.80 ą 3% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_lookupat.filename_lookup
> > 3.28 +0.8 4.03 perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 0.00 +0.8 0.76 ą 6% perf-profile.calltrace.cycles-pp.dput.path_put.exit_fs.do_exit.do_group_exit
> > 0.00 +0.8 0.76 ą 6% perf-profile.calltrace.cycles-pp.path_put.exit_fs.do_exit.do_group_exit.__x64_sys_exit_group
> > 0.00 +0.8 0.77 ą 6% perf-profile.calltrace.cycles-pp.exit_fs.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
> > 1.04 +0.8 1.82 ą 4% perf-profile.calltrace.cycles-pp.terminate_walk.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat
> > 1.04 +0.8 1.81 ą 3% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_lookupat.filename_lookup.vfs_statx
> > 0.00 +0.8 0.79 ą 3% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.link_path_walk.path_lookupat
> > 0.84 +0.8 1.65 ą 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_lookupat
> > 0.00 +0.8 0.81 ą 4% perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_lookupat.filename_lookup
> > 0.00 +0.8 0.82 ą 3% perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_lookupat.filename_lookup.vfs_statx
> > 0.00 +1.0 0.97 ą 3% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_lookupat.filename_lookup
> > 5.11 +1.2 6.29 ą 3% perf-profile.calltrace.cycles-pp.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 5.07 +1.2 6.26 ą 3% perf-profile.calltrace.cycles-pp.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 4.94 +1.2 6.19 ą 3% perf-profile.calltrace.cycles-pp.filename_lookup.vfs_statx.vfs_fstatat.__do_sys_newfstatat.do_syscall_64
> > 4.92 +1.3 6.18 ą 3% perf-profile.calltrace.cycles-pp.path_lookupat.filename_lookup.vfs_statx.vfs_fstatat.__do_sys_newfstatat
> > 4.95 +1.8 6.80 ą 2% perf-profile.calltrace.cycles-pp.vfs_statx.vfs_fstatat.__do_sys_newfstatat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 11.82 ą 3% +2.2 14.02 perf-profile.calltrace.cycles-pp.__lookup_slow.walk_component.link_path_walk.path_openat.do_filp_open
> > 11.60 ą 3% +2.3 13.89 perf-profile.calltrace.cycles-pp.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk.path_openat
> > 9.03 ą 3% +2.8 11.86 perf-profile.calltrace.cycles-pp.d_alloc.d_alloc_parallel.__lookup_slow.walk_component.link_path_walk
> > 8.52 ą 3% +2.9 11.40 perf-profile.calltrace.cycles-pp._raw_spin_lock.d_alloc.d_alloc_parallel.__lookup_slow.walk_component
> > 8.19 ą 3% +2.9 11.08 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.d_alloc.d_alloc_parallel.__lookup_slow
> > 0.00 +3.7 3.71 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open
> > 7.87 ą 3% +3.9 11.77 ą 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy
> > 8.00 ą 3% +4.0 11.98 perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast
> > 8.44 ą 3% +4.8 13.24 ą 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat
> > 5.43 ą 2% +4.9 10.36 perf-profile.calltrace.cycles-pp.step_into.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 8.48 ą 3% +4.9 13.42 ą 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open
> > 5.40 ą 2% +4.9 10.34 perf-profile.calltrace.cycles-pp.dput.step_into.link_path_walk.path_openat.do_filp_open
> > 5.29 ą 2% +5.0 10.31 ą 2% perf-profile.calltrace.cycles-pp.__dentry_kill.dput.step_into.link_path_walk.path_openat
> > 5.08 ą 2% +5.8 10.88 perf-profile.calltrace.cycles-pp._raw_spin_lock.__dentry_kill.dput.step_into.link_path_walk
> > 5.34 ą 5% +6.0 11.34 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.__dentry_kill.dput.step_into
> > 7.11 ą 3% +6.7 13.85 perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open
> > 6.81 ą 3% +6.8 13.65 perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat
> > 7.64 ą 2% +7.6 15.29 perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk
> > 7.52 ą 2% +7.7 15.17 perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component
> > 22.42 +8.0 30.41 perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 8.72 ą 3% +8.5 17.21 perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 8.70 ą 3% +8.5 17.19 perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2
> > 27.98 +12.9 40.85 perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 64.52 +13.7 78.21 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 64.49 +13.7 78.19 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 41.14 +21.4 62.52 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 41.12 +21.4 62.50 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 41.64 +21.5 63.13 perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 41.58 +21.5 63.10 perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
> > 9.86 ą 4% -6.4 3.51 ą 8% perf-profile.children.cycles-pp.down_write
> > 9.25 ą 5% -6.1 3.17 ą 9% perf-profile.children.cycles-pp.rwsem_down_write_slowpath
> > 8.92 ą 5% -5.9 2.98 ą 9% perf-profile.children.cycles-pp.rwsem_optimistic_spin
> > 7.58 ą 5% -5.3 2.33 ą 11% perf-profile.children.cycles-pp.osq_lock
> > 9.01 ą 3% -5.1 3.95 ą 5% perf-profile.children.cycles-pp.vm_mmap_pgoff
> > 8.89 ą 3% -5.0 3.89 ą 5% perf-profile.children.cycles-pp.do_mmap
> > 8.73 ą 3% -4.9 3.79 ą 6% perf-profile.children.cycles-pp.mmap_region
> > 8.30 -4.1 4.16 ą 2% perf-profile.children.cycles-pp.__mmput
> > 8.26 -4.1 4.14 ą 2% perf-profile.children.cycles-pp.exit_mmap
> > 7.02 ą 4% -4.1 2.92 ą 7% perf-profile.children.cycles-pp.ksys_mmap_pgoff
> > 9.04 -4.0 5.06 perf-profile.children.cycles-pp.__x64_sys_execve
> > 9.77 -4.0 5.79 perf-profile.children.cycles-pp.asm_exc_page_fault
> > 9.03 -4.0 5.05 perf-profile.children.cycles-pp.do_execveat_common
> > 8.85 -3.6 5.24 perf-profile.children.cycles-pp.exc_page_fault
> > 8.81 -3.6 5.21 perf-profile.children.cycles-pp.do_user_addr_fault
> > 7.94 -3.5 4.44 perf-profile.children.cycles-pp.execve
> > 6.04 ą 3% -3.4 2.62 ą 6% perf-profile.children.cycles-pp.do_vmi_munmap
> > 5.92 ą 3% -3.4 2.54 ą 6% perf-profile.children.cycles-pp.do_vmi_align_munmap
> > 8.29 -3.4 4.91 perf-profile.children.cycles-pp.handle_mm_fault
> > 7.40 -3.3 4.07 perf-profile.children.cycles-pp.bprm_execve
> > 7.96 -3.2 4.71 perf-profile.children.cycles-pp.__handle_mm_fault
> > 5.30 ą 3% -3.2 2.08 ą 6% perf-profile.children.cycles-pp.free_pgtables
> > 6.85 -3.1 3.76 perf-profile.children.cycles-pp.exec_binprm
> > 6.84 -3.1 3.75 perf-profile.children.cycles-pp.search_binary_handler
> > 6.72 -3.0 3.68 perf-profile.children.cycles-pp.load_elf_binary
> > 4.22 ą 4% -2.8 1.45 ą 8% perf-profile.children.cycles-pp.unlink_file_vma
> > 5.34 -2.7 2.65 ą 2% perf-profile.children.cycles-pp.exit_mm
> > 6.67 -2.7 4.00 perf-profile.children.cycles-pp.__x64_sys_exit_group
> > 6.67 -2.7 4.00 perf-profile.children.cycles-pp.do_group_exit
> > 6.66 -2.7 3.99 perf-profile.children.cycles-pp.do_exit
> > 4.22 ą 3% -2.3 1.87 ą 5% perf-profile.children.cycles-pp.__split_vma
> > 3.63 ą 4% -2.2 1.43 ą 7% perf-profile.children.cycles-pp.vma_prepare
> > 4.84 -2.0 2.80 ą 2% perf-profile.children.cycles-pp.do_idle
> > 4.84 -2.0 2.80 ą 2% perf-profile.children.cycles-pp.common_startup_64
> > 4.84 -2.0 2.80 ą 2% perf-profile.children.cycles-pp.cpu_startup_entry
> > 4.77 -2.0 2.76 ą 2% perf-profile.children.cycles-pp.start_secondary
> > 4.16 -1.7 2.42 ą 2% perf-profile.children.cycles-pp.cpuidle_idle_call
> > 3.94 -1.6 2.30 ą 2% perf-profile.children.cycles-pp.do_fault
> > 3.44 -1.6 1.80 perf-profile.children.cycles-pp.begin_new_exec
> > 3.86 -1.6 2.26 ą 2% perf-profile.children.cycles-pp.cpuidle_enter
> > 3.85 -1.6 2.24 ą 2% perf-profile.children.cycles-pp.cpuidle_enter_state
> > 3.28 -1.6 1.71 perf-profile.children.cycles-pp.exec_mmap
> > 4.14 -1.6 2.58 perf-profile.children.cycles-pp.kernel_clone
> > 3.71 -1.6 2.16 ą 2% perf-profile.children.cycles-pp.acpi_idle_enter
> > 3.70 -1.5 2.15 ą 2% perf-profile.children.cycles-pp.acpi_safe_halt
> > 3.78 -1.5 2.30 perf-profile.children.cycles-pp.__do_sys_clone
> > 2.49 ą 3% -1.5 1.04 ą 6% perf-profile.children.cycles-pp.unmap_region
> > 3.64 -1.4 2.21 perf-profile.children.cycles-pp._Fork
> > 3.43 -1.4 2.00 perf-profile.children.cycles-pp.do_read_fault
> > 3.34 -1.4 1.95 perf-profile.children.cycles-pp.filemap_map_pages
> > 3.67 -1.4 2.30 perf-profile.children.cycles-pp.copy_process
> > 2.65 ą 2% -1.4 1.29 ą 3% perf-profile.children.cycles-pp.dup_mm
> > 4.43 ą 12% -1.3 3.16 ą 11% perf-profile.children.cycles-pp.__schedule
> > 2.34 ą 2% -1.2 1.12 ą 3% perf-profile.children.cycles-pp.dup_mmap
> > 2.74 -1.2 1.59 perf-profile.children.cycles-pp.unmap_vmas
> > 2.54 -1.1 1.47 perf-profile.children.cycles-pp.unmap_page_range
> > 2.48 -1.0 1.43 perf-profile.children.cycles-pp.zap_pmd_range
> > 3.46 ą 12% -1.0 2.42 ą 11% perf-profile.children.cycles-pp.rwsem_down_read_slowpath
> > 2.43 -1.0 1.41 perf-profile.children.cycles-pp.zap_pte_range
> > 2.59 -1.0 1.57 perf-profile.children.cycles-pp.asm_sysvec_call_function_single
> > 3.64 ą 11% -1.0 2.63 ą 10% perf-profile.children.cycles-pp.down_read
> > 3.67 ą 13% -1.0 2.71 ą 12% perf-profile.children.cycles-pp.schedule
> > 2.29 -1.0 1.33 perf-profile.children.cycles-pp.kmem_cache_free
> > 2.15 -0.9 1.20 ą 2% perf-profile.children.cycles-pp.elf_load
> > 2.10 -0.9 1.21 ą 2% perf-profile.children.cycles-pp.zap_present_ptes
> > 1.95 ą 2% -0.8 1.13 perf-profile.children.cycles-pp.next_uptodate_folio
> > 3.10 ą 13% -0.8 2.31 ą 12% perf-profile.children.cycles-pp.schedule_preempt_disabled
> > 1.66 -0.7 0.91 perf-profile.children.cycles-pp.tlb_finish_mmu
> > 1.76 -0.7 1.08 perf-profile.children.cycles-pp.clear_page_erms
> > 1.48 -0.7 0.80 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
> > 1.47 -0.7 0.80 ą 2% perf-profile.children.cycles-pp.free_pages_and_swap_cache
> > 1.54 -0.6 0.92 ą 2% perf-profile.children.cycles-pp.up_write
> > 1.29 -0.6 0.67 ą 3% perf-profile.children.cycles-pp.__x64_sys_mprotect
> > 1.29 -0.6 0.67 ą 3% perf-profile.children.cycles-pp.do_mprotect_pkey
> > 1.11 ą 3% -0.6 0.52 ą 4% perf-profile.children.cycles-pp.rwsem_spin_on_owner
> > 1.50 -0.6 0.91 perf-profile.children.cycles-pp.handle_softirqs
> > 1.24 ą 2% -0.6 0.66 ą 2% perf-profile.children.cycles-pp.load_elf_interp
> > 1.43 -0.6 0.87 perf-profile.children.cycles-pp.__do_huge_pmd_anonymous_page
> > 1.15 -0.6 0.58 ą 3% perf-profile.children.cycles-pp.mprotect_fixup
> > 1.20 ą 3% -0.6 0.65 ą 4% perf-profile.children.cycles-pp.ret_from_fork_asm
> > 1.41 -0.6 0.86 perf-profile.children.cycles-pp.clear_huge_page
> > 1.32 -0.6 0.77 ą 2% perf-profile.children.cycles-pp.rcu_core
> > 1.28 -0.5 0.74 ą 2% perf-profile.children.cycles-pp.rcu_do_batch
> > 1.18 -0.5 0.64 perf-profile.children.cycles-pp.folios_put_refs
> > 1.35 -0.5 0.81 perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
> > 1.02 ą 2% -0.5 0.51 ą 3% perf-profile.children.cycles-pp.vma_modify
> > 1.32 -0.5 0.80 perf-profile.children.cycles-pp.alloc_pages_mpol_noprof
> > 1.08 ą 3% -0.5 0.57 ą 4% perf-profile.children.cycles-pp.ret_from_fork
> > 1.26 -0.5 0.77 ą 2% perf-profile.children.cycles-pp.__alloc_pages_noprof
> > 1.80 ą 2% -0.5 1.32 ą 2% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
> > 1.19 -0.4 0.74 perf-profile.children.cycles-pp.sysvec_call_function_single
> > 0.88 ą 4% -0.4 0.46 ą 4% perf-profile.children.cycles-pp.kthread
> > 1.00 ą 2% -0.4 0.58 ą 2% perf-profile.children.cycles-pp.vma_interval_tree_insert
> > 0.92 -0.4 0.51 ą 2% perf-profile.children.cycles-pp.__slab_free
> > 0.96 -0.4 0.54 ą 2% perf-profile.children.cycles-pp.__vm_munmap
> > 1.02 -0.4 0.61 perf-profile.children.cycles-pp.select_task_rq_fair
> > 1.61 -0.4 1.19 ą 2% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
> > 0.98 -0.4 0.59 perf-profile.children.cycles-pp.wp_page_copy
> > 0.73 ą 4% -0.4 0.36 ą 5% perf-profile.children.cycles-pp.smpboot_thread_fn
> > 1.01 -0.4 0.64 perf-profile.children.cycles-pp.__sysvec_call_function_single
> > 0.99 -0.4 0.62 perf-profile.children.cycles-pp.__flush_smp_call_function_queue
> > 0.92 -0.4 0.56 ą 2% perf-profile.children.cycles-pp.do_anonymous_page
> > 0.98 -0.4 0.62 ą 2% perf-profile.children.cycles-pp.try_to_wake_up
> > 0.92 -0.4 0.56 perf-profile.children.cycles-pp.__memcg_slab_free_hook
> > 0.82 -0.4 0.46 perf-profile.children.cycles-pp.folio_remove_rmap_ptes
> > 0.79 -0.4 0.43 perf-profile.children.cycles-pp.alloc_empty_file
> > 0.94 -0.3 0.59 ą 2% perf-profile.children.cycles-pp.rwsem_wake
> > 0.90 -0.3 0.56 perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.55 ą 4% -0.3 0.22 ą 6% perf-profile.children.cycles-pp.vma_expand
> > 0.82 -0.3 0.50 ą 2% perf-profile.children.cycles-pp.get_page_from_freelist
> > 1.02 -0.3 0.71 perf-profile.children.cycles-pp.irq_exit_rcu
> > 0.82 ą 2% -0.3 0.52 perf-profile.children.cycles-pp.sched_ttwu_pending
> > 0.83 -0.3 0.52 ą 2% perf-profile.children.cycles-pp.wake_up_q
> > 0.77 -0.3 0.47 perf-profile.children.cycles-pp.__d_lookup_rcu
> > 0.74 -0.3 0.44 perf-profile.children.cycles-pp.copy_strings
> > 0.69 -0.3 0.40 ą 2% perf-profile.children.cycles-pp.vma_complete
> > 0.51 ą 2% -0.3 0.22 ą 4% perf-profile.children.cycles-pp.run_ksoftirqd
> > 0.79 ą 2% -0.3 0.51 ą 2% perf-profile.children.cycles-pp.activate_task
> > 0.61 -0.3 0.34 ą 3% perf-profile.children.cycles-pp._compound_head
> > 0.76 ą 2% -0.3 0.49 perf-profile.children.cycles-pp.ttwu_do_activate
> > 0.64 -0.3 0.37 ą 3% perf-profile.children.cycles-pp.mm_init
> > 0.62 -0.3 0.36 ą 2% perf-profile.children.cycles-pp.sched_balance_find_dst_cpu
> > 0.39 ą 17% -0.3 0.14 ą 10% perf-profile.children.cycles-pp._raw_spin_lock_irq
> > 0.52 ą 2% -0.3 0.27 ą 3% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
> > 0.53 ą 2% -0.2 0.28 perf-profile.children.cycles-pp.init_file
> > 0.54 ą 3% -0.2 0.29 ą 2% perf-profile.children.cycles-pp.schedule_idle
> > 0.56 -0.2 0.31 ą 2% perf-profile.children.cycles-pp.finish_task_switch
> > 0.55 -0.2 0.31 ą 2% perf-profile.children.cycles-pp.__mmdrop
> > 0.57 -0.2 0.33 ą 2% perf-profile.children.cycles-pp.copy_page_range
> > 0.70 ą 4% -0.2 0.47 ą 3% perf-profile.children.cycles-pp.dequeue_task_fair
> > 0.68 ą 3% -0.2 0.45 perf-profile.children.cycles-pp.enqueue_task_fair
> > 0.58 -0.2 0.34 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
> > 0.55 -0.2 0.32 ą 2% perf-profile.children.cycles-pp.copy_p4d_range
> > 0.56 -0.2 0.34 perf-profile.children.cycles-pp.mod_objcg_state
> > 0.54 -0.2 0.32 ą 2% perf-profile.children.cycles-pp.sched_balance_find_dst_group
> > 0.66 ą 3% -0.2 0.44 ą 3% perf-profile.children.cycles-pp.update_load_avg
> > 0.54 -0.2 0.32 ą 2% perf-profile.children.cycles-pp.unlink_anon_vmas
> > 0.51 ą 2% -0.2 0.30 perf-profile.children.cycles-pp.update_sg_wakeup_stats
> > 0.56 ą 4% -0.2 0.34 ą 4% perf-profile.children.cycles-pp.wait4
> > 0.52 -0.2 0.31 ą 3% perf-profile.children.cycles-pp.alloc_bprm
> > 0.44 ą 2% -0.2 0.23 perf-profile.children.cycles-pp.security_file_alloc
> > 0.56 -0.2 0.35 ą 2% perf-profile.children.cycles-pp._IO_default_xsputn
> > 0.52 -0.2 0.31 perf-profile.children.cycles-pp.mas_store_prealloc
> > 0.54 -0.2 0.33 ą 2% perf-profile.children.cycles-pp.perf_event_mmap
> > 0.51 -0.2 0.30 ą 2% perf-profile.children.cycles-pp.set_pte_range
> > 0.52 ą 2% -0.2 0.32 ą 3% perf-profile.children.cycles-pp._IO_fwrite
> > 0.52 -0.2 0.32 perf-profile.children.cycles-pp.perf_event_mmap_event
> > 0.55 ą 3% -0.2 0.34 ą 2% perf-profile.children.cycles-pp.dequeue_entity
> > 0.45 -0.2 0.25 ą 2% perf-profile.children.cycles-pp.__pte_offset_map_lock
> > 0.54 ą 3% -0.2 0.34 ą 2% perf-profile.children.cycles-pp.enqueue_entity
> > 0.52 -0.2 0.32 perf-profile.children.cycles-pp.native_irq_return_iret
> > 0.52 ą 5% -0.2 0.32 ą 4% perf-profile.children.cycles-pp.vfs_read
> > 0.48 -0.2 0.29 perf-profile.children.cycles-pp.sync_regs
> > 0.51 -0.2 0.32 ą 3% perf-profile.children.cycles-pp.alloc_anon_folio
> > 0.38 -0.2 0.19 perf-profile.children.cycles-pp.apparmor_file_alloc_security
> > 0.46 ą 2% -0.2 0.27 ą 3% perf-profile.children.cycles-pp.__x64_sys_munmap
> > 0.49 ą 2% -0.2 0.31 ą 2% perf-profile.children.cycles-pp.vma_alloc_folio_noprof
> > 0.50 ą 5% -0.2 0.32 ą 4% perf-profile.children.cycles-pp.read
> > 0.46 -0.2 0.28 perf-profile.children.cycles-pp.__cond_resched
> > 0.48 ą 6% -0.2 0.30 ą 5% perf-profile.children.cycles-pp.kernel_wait4
> > 0.48 ą 6% -0.2 0.30 ą 4% perf-profile.children.cycles-pp.__do_sys_wait4
> > 0.49 ą 5% -0.2 0.31 ą 4% perf-profile.children.cycles-pp.ksys_read
> > 0.42 -0.2 0.25 perf-profile.children.cycles-pp.lock_vma_under_rcu
> > 0.44 -0.2 0.27 perf-profile.children.cycles-pp.strnlen_user
> > 0.41 -0.2 0.24 ą 2% perf-profile.children.cycles-pp.__libc_early_init
> > 0.46 ą 6% -0.2 0.29 ą 5% perf-profile.children.cycles-pp.do_wait
> > 0.40 -0.2 0.23 ą 2% perf-profile.children.cycles-pp.wake_up_new_task
> > 0.42 ą 2% -0.2 0.25 perf-profile.children.cycles-pp.vma_interval_tree_remove
> > 0.41 -0.2 0.24 ą 2% perf-profile.children.cycles-pp.__libc_fork
> > 0.41 -0.2 0.24 ą 2% perf-profile.children.cycles-pp.mas_wr_store_entry
> > 0.39 ą 2% -0.2 0.22 ą 3% perf-profile.children.cycles-pp.getname_flags
> > 0.41 ą 2% -0.2 0.25 perf-profile.children.cycles-pp.get_arg_page
> > 0.39 ą 2% -0.2 0.22 ą 3% perf-profile.children.cycles-pp.sched_exec
> > 0.40 -0.2 0.23 ą 2% perf-profile.children.cycles-pp.rep_stos_alternative
> > 0.40 -0.2 0.24 ą 2% perf-profile.children.cycles-pp.vm_area_dup
> > 0.40 -0.2 0.24 ą 2% perf-profile.children.cycles-pp.perf_iterate_sb
> > 0.41 -0.2 0.26 perf-profile.children.cycles-pp.select_task_rq
> > 0.37 -0.2 0.22 perf-profile.children.cycles-pp.pcpu_alloc_noprof
> > 1.16 -0.2 1.01 perf-profile.children.cycles-pp.open64
> > 0.36 ą 2% -0.1 0.22 ą 2% perf-profile.children.cycles-pp.__memcg_kmem_charge_page
> > 0.35 -0.1 0.20 ą 2% perf-profile.children.cycles-pp.pte_alloc_one
> > 0.35 ą 2% -0.1 0.21 ą 2% perf-profile.children.cycles-pp.setup_arg_pages
> > 0.35 -0.1 0.21 perf-profile.children.cycles-pp.get_user_pages_remote
> > 0.36 -0.1 0.22 ą 2% perf-profile.children.cycles-pp.create_elf_tables
> > 0.32 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.copy_pte_range
> > 0.34 -0.1 0.20 ą 2% perf-profile.children.cycles-pp.__d_alloc
> > 0.34 ą 2% -0.1 0.20 ą 3% perf-profile.children.cycles-pp.__get_user_pages
> > 0.31 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.folio_batch_move_lru
> > 0.31 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.lru_add_drain
> > 0.25 ą 4% -0.1 0.12 ą 4% perf-profile.children.cycles-pp.security_file_free
> > 0.33 -0.1 0.20 ą 2% perf-profile.children.cycles-pp.dup_task_struct
> > 0.31 -0.1 0.18 perf-profile.children.cycles-pp.lru_add_drain_cpu
> > 0.34 -0.1 0.21 ą 3% perf-profile.children.cycles-pp.__mem_cgroup_charge
> > 0.31 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.folio_add_file_rmap_ptes
> > 0.30 ą 2% -0.1 0.17 ą 5% perf-profile.children.cycles-pp.rmqueue
> > 0.29 ą 3% -0.1 0.16 ą 3% perf-profile.children.cycles-pp.__call_rcu_common
> > 0.33 ą 2% -0.1 0.20 ą 3% perf-profile.children.cycles-pp.___perf_sw_event
> > 0.31 ą 2% -0.1 0.18 ą 2% perf-profile.children.cycles-pp.__vm_area_free
> > 0.91 -0.1 0.79 ą 2% perf-profile.children.cycles-pp.unlinkat
> > 0.24 ą 3% -0.1 0.11 ą 4% perf-profile.children.cycles-pp.apparmor_file_free_security
> > 0.31 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state
> > 0.29 ą 2% -0.1 0.17 ą 2% perf-profile.children.cycles-pp.mas_wr_node_store
> > 0.28 -0.1 0.16 ą 2% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio
> > 0.30 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.clear_bhb_loop
> > 0.34 ą 2% -0.1 0.22 perf-profile.children.cycles-pp.write
> > 0.30 ą 2% -0.1 0.18 ą 2% perf-profile.children.cycles-pp.shift_arg_pages
> > 0.31 ą 2% -0.1 0.19 ą 5% perf-profile.children.cycles-pp.mas_find
> > 0.28 ą 2% -0.1 0.16 ą 2% perf-profile.children.cycles-pp.__pte_alloc
> > 0.90 -0.1 0.78 ą 2% perf-profile.children.cycles-pp.__x64_sys_unlinkat
> > 0.89 -0.1 0.78 ą 2% perf-profile.children.cycles-pp.do_unlinkat
> > 0.26 -0.1 0.15 ą 2% perf-profile.children.cycles-pp.__do_wait
> > 0.29 -0.1 0.18 ą 2% perf-profile.children.cycles-pp.mas_walk
> > 0.50 ą 2% -0.1 0.38 perf-profile.children.cycles-pp.fput
> > 0.28 ą 2% -0.1 0.17 ą 2% perf-profile.children.cycles-pp.__percpu_counter_sum
> > 0.28 ą 2% -0.1 0.16 ą 4% perf-profile.children.cycles-pp.__perf_sw_event
> > 0.27 ą 2% -0.1 0.16 ą 3% perf-profile.children.cycles-pp.strncpy_from_user
> > 0.29 ą 2% -0.1 0.18 ą 2% perf-profile.children.cycles-pp.__wp_page_copy_user
> > 0.29 ą 2% -0.1 0.18 ą 2% perf-profile.children.cycles-pp.copy_mc_enhanced_fast_string
> > 0.29 ą 3% -0.1 0.18 ą 2% perf-profile.children.cycles-pp.__d_add
> > 0.28 -0.1 0.17 ą 2% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof
> > 0.32 -0.1 0.20 ą 2% perf-profile.children.cycles-pp.ksys_write
> > 0.27 -0.1 0.16 ą 4% perf-profile.children.cycles-pp.memset_orig
> > 0.28 ą 2% -0.1 0.17 ą 2% perf-profile.children.cycles-pp.vm_area_alloc
> > 0.27 ą 2% -0.1 0.16 perf-profile.children.cycles-pp.copy_string_kernel
> > 0.27 ą 2% -0.1 0.16 ą 4% perf-profile.children.cycles-pp.flush_tlb_mm_range
> > 0.58 ą 3% -0.1 0.48 ą 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
> > 0.30 ą 2% -0.1 0.19 ą 2% perf-profile.children.cycles-pp.simple_lookup
> > 0.26 -0.1 0.16 ą 3% perf-profile.children.cycles-pp.anon_vma_fork
> > 0.30 -0.1 0.20 perf-profile.children.cycles-pp.vfs_write
> > 0.26 -0.1 0.15 ą 3% perf-profile.children.cycles-pp.perf_event_mmap_output
> > 0.26 ą 2% -0.1 0.15 ą 2% perf-profile.children.cycles-pp.__close
> > 0.24 ą 2% -0.1 0.14 ą 4% perf-profile.children.cycles-pp.free_unref_page_commit
> > 0.25 ą 3% -0.1 0.14 ą 3% perf-profile.children.cycles-pp.__fput
> > 0.57 ą 4% -0.1 0.47 ą 3% perf-profile.children.cycles-pp.hrtimer_interrupt
> > 0.28 -0.1 0.18 ą 2% perf-profile.children.cycles-pp._IO_padn
> > 0.41 ą 2% -0.1 0.31 ą 2% perf-profile.children.cycles-pp.__vfork
> > 0.22 ą 3% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.__rmqueue_pcplist
> > 0.23 ą 3% -0.1 0.13 ą 5% perf-profile.children.cycles-pp.__rb_insert_augmented
> > 0.24 ą 3% -0.1 0.14 ą 4% perf-profile.children.cycles-pp.filemap_read
> > 0.24 -0.1 0.14 perf-profile.children.cycles-pp.vmf_anon_prepare
> > 0.20 ą 2% -0.1 0.10 perf-profile.children.cycles-pp.__page_cache_release
> > 0.23 -0.1 0.14 ą 3% perf-profile.children.cycles-pp.select_idle_sibling
> > 0.23 ą 2% -0.1 0.14 ą 2% perf-profile.children.cycles-pp.__pmd_alloc
> > 0.23 ą 2% -0.1 0.14 ą 4% perf-profile.children.cycles-pp.__check_object_size
> > 0.23 ą 2% -0.1 0.14 ą 3% perf-profile.children.cycles-pp.free_unref_folios
> > 0.26 -0.1 0.16 ą 2% perf-profile.children.cycles-pp.cgroup_rstat_updated
> > 0.22 ą 2% -0.1 0.13 ą 5% perf-profile.children.cycles-pp.mas_preallocate
> > 0.20 ą 3% -0.1 0.11 perf-profile.children.cycles-pp.___slab_alloc
> > 0.22 -0.1 0.13 perf-profile.children.cycles-pp.__anon_vma_prepare
> > 0.21 ą 4% -0.1 0.12 perf-profile.children.cycles-pp.task_work_run
> > 0.20 ą 3% -0.1 0.11 ą 3% perf-profile.children.cycles-pp.rcu_segcblist_enqueue
> > 0.25 -0.1 0.16 ą 3% perf-profile.children.cycles-pp.up_read
> > 0.20 -0.1 0.12 ą 4% perf-profile.children.cycles-pp.free_pcppages_bulk
> > 0.21 ą 2% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.do_open_execat
> > 0.16 ą 3% -0.1 0.07 ą 6% perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave
> > 0.20 ą 2% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.wait_task_zombie
> > 0.37 ą 2% -0.1 0.28 ą 2% perf-profile.children.cycles-pp.__x64_sys_vfork
> > 0.19 ą 2% -0.1 0.11 ą 5% perf-profile.children.cycles-pp.__percpu_counter_init_many
> > 0.20 -0.1 0.12 ą 3% perf-profile.children.cycles-pp.percpu_counter_add_batch
> > 0.20 ą 3% -0.1 0.12 ą 4% perf-profile.children.cycles-pp.try_charge_memcg
> > 0.20 ą 2% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.alloc_thread_stack_node
> > 0.19 ą 2% -0.1 0.11 ą 4% perf-profile.children.cycles-pp.menu_select
> > 0.19 ą 2% -0.1 0.11 ą 4% perf-profile.children.cycles-pp.schedule_tail
> > 0.22 -0.1 0.14 ą 2% perf-profile.children.cycles-pp.ttwu_queue_wakelist
> > 0.18 ą 2% -0.1 0.10 ą 3% perf-profile.children.cycles-pp.rmqueue_bulk
> > 0.17 ą 15% -0.1 0.09 ą 4% perf-profile.children.cycles-pp.exit_notify
> > 0.18 ą 2% -0.1 0.10 ą 3% perf-profile.children.cycles-pp.free_unref_page
> > 0.19 ą 2% -0.1 0.12 ą 4% perf-profile.children.cycles-pp.flush_tlb_func
> > 0.20 ą 3% -0.1 0.12 ą 4% perf-profile.children.cycles-pp.__memcpy
> > 0.21 -0.1 0.13 ą 3% perf-profile.children.cycles-pp.memcg_account_kmem
> > 0.20 ą 2% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.__count_memcg_events
> > 0.45 ą 3% -0.1 0.38 ą 3% perf-profile.children.cycles-pp.__hrtimer_run_queues
> > 0.19 -0.1 0.12 ą 4% perf-profile.children.cycles-pp.anon_vma_clone
> > 0.18 ą 2% -0.1 0.10 perf-profile.children.cycles-pp.rcu_cblist_dequeue
> > 0.18 ą 2% -0.1 0.11 perf-profile.children.cycles-pp.select_idle_cpu
> > 0.19 -0.1 0.12 ą 4% perf-profile.children.cycles-pp.__put_user_8
> > 0.18 -0.1 0.11 ą 4% perf-profile.children.cycles-pp.__pud_alloc
> > 0.18 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.__x64_sys_close
> > 0.19 ą 2% -0.1 0.11 ą 4% perf-profile.children.cycles-pp.switch_mm_irqs_off
> > 0.16 ą 3% -0.1 0.09 ą 4% perf-profile.children.cycles-pp.__do_fault
> > 0.22 ą 10% -0.1 0.15 ą 10% perf-profile.children.cycles-pp.pipe_read
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.available_idle_cpu
> > 0.20 ą 4% -0.1 0.13 ą 2% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages
> > 0.23 ą 3% -0.1 0.16 ą 2% perf-profile.children.cycles-pp.update_curr
> > 0.18 ą 2% -0.1 0.11 perf-profile.children.cycles-pp.__munmap
> > 0.16 ą 2% -0.1 0.09 ą 4% perf-profile.children.cycles-pp.__switch_to_asm
> > 0.16 ą 2% -0.1 0.09 ą 5% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.do_open
> > 0.42 ą 3% -0.1 0.36 ą 3% perf-profile.children.cycles-pp.tick_nohz_handler
> > 0.17 ą 3% -0.1 0.10 ą 3% perf-profile.children.cycles-pp._IO_file_xsputn
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.__get_user_8
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.__getrlimit
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.__rseq_handle_notify_resume
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.release_task
> > 0.18 ą 2% -0.1 0.11 ą 3% perf-profile.children.cycles-pp.__mod_memcg_state
> > 0.16 ą 3% -0.1 0.09 perf-profile.children.cycles-pp.free_pgd_range
> > 0.16 ą 2% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.mas_wr_bnode
> > 0.15 ą 2% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.free_p4d_range
> > 0.17 -0.1 0.11 ą 4% perf-profile.children.cycles-pp.mem_cgroup_commit_charge
> > 0.19 -0.1 0.13 ą 2% perf-profile.children.cycles-pp.obj_cgroup_charge
> > 0.16 ą 3% -0.1 0.09 ą 5% perf-profile.children.cycles-pp._find_next_bit
> > 0.16 ą 3% -0.1 0.09 ą 5% perf-profile.children.cycles-pp.get_free_pages_noprof
> > 0.16 ą 2% -0.1 0.10 perf-profile.children.cycles-pp.native_flush_tlb_one_user
> > 0.16 ą 2% -0.1 0.10 ą 3% perf-profile.children.cycles-pp.rseq_ip_fixup
> > 0.38 ą 4% -0.1 0.32 ą 3% perf-profile.children.cycles-pp.update_process_times
> > 0.14 ą 4% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.__ctype_init
> > 0.14 -0.1 0.08 perf-profile.children.cycles-pp.arch_do_signal_or_restart
> > 0.15 ą 2% -0.1 0.09 ą 4% perf-profile.children.cycles-pp.pgd_alloc
> > 0.16 ą 2% -0.1 0.10 ą 3% perf-profile.children.cycles-pp.move_page_tables
> > 0.17 ą 4% -0.1 0.11 ą 4% perf-profile.children.cycles-pp.prepare_task_switch
> > 0.14 ą 2% -0.1 0.08 perf-profile.children.cycles-pp.free_pud_range
> > 0.13 ą 2% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.__rb_erase_color
> > 0.14 ą 3% -0.1 0.08 perf-profile.children.cycles-pp._exit
> > 0.14 ą 4% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.check_heap_object
> > 0.14 ą 4% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.rwsem_mark_wake
> > 0.14 ą 2% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.switch_fpu_return
> > 0.14 ą 10% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.inode_permission
> > 0.14 ą 4% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.mas_split
> > 0.15 ą 3% -0.1 0.09 ą 6% perf-profile.children.cycles-pp.mas_next_slot
> > 0.15 ą 3% -0.1 0.09 perf-profile.children.cycles-pp.strnlen
> > 0.14 ą 3% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.generic_file_write_iter
> > 0.17 ą 6% -0.1 0.12 ą 4% perf-profile.children.cycles-pp.update_rq_clock
> > 0.13 -0.1 0.08 ą 6% perf-profile.children.cycles-pp.__filemap_get_folio
> > 0.13 ą 3% -0.1 0.07 ą 5% perf-profile.children.cycles-pp.__mem_cgroup_uncharge_folios
> > 0.13 ą 4% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.__put_anon_vma
> > 0.14 ą 2% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.__put_user_4
> > 0.17 ą 5% -0.1 0.12 ą 3% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
> > 0.12 ą 3% -0.1 0.07 ą 5% perf-profile.children.cycles-pp.vm_area_free_rcu_cb
> > 0.14 ą 2% -0.1 0.09 ą 4% perf-profile.children.cycles-pp.wake_affine
> > 0.14 ą 3% -0.1 0.08 ą 4% perf-profile.children.cycles-pp._copy_from_user
> > 0.12 ą 4% -0.1 0.07 ą 5% perf-profile.children.cycles-pp.__switch_to
> > 0.14 ą 3% -0.1 0.09 perf-profile.children.cycles-pp.getenv
> > 0.13 ą 2% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.mas_alloc_nodes
> > 0.08 ą 4% -0.1 0.02 ą 99% perf-profile.children.cycles-pp.remove_vma
> > 0.14 ą 2% -0.1 0.09 perf-profile.children.cycles-pp.__get_unmapped_area
> > 0.13 ą 3% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.down_read_trylock
> > 0.14 ą 2% -0.1 0.09 perf-profile.children.cycles-pp.rcu_all_qs
> > 0.09 ą 5% -0.1 0.04 ą 44% perf-profile.children.cycles-pp.select_idle_core
> > 0.13 -0.1 0.08 ą 4% perf-profile.children.cycles-pp.do_notify_parent
> > 0.16 ą 3% -0.1 0.10 ą 4% perf-profile.children.cycles-pp.generic_perform_write
> > 0.13 ą 3% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.ptep_clear_flush
> > 0.12 -0.1 0.07 ą 5% perf-profile.children.cycles-pp.do_wp_page
> > 0.13 ą 2% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.map_vdso
> > 0.14 ą 3% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.__free_one_page
> > 0.12 -0.0 0.07 perf-profile.children.cycles-pp.copy_page_to_iter
> > 0.12 ą 3% -0.0 0.07 ą 6% perf-profile.children.cycles-pp.mas_store_gfp
> > 0.11 ą 4% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.free_percpu
> > 0.13 ą 3% -0.0 0.08 ą 4% perf-profile.children.cycles-pp._copy_to_iter
> > 0.11 ą 3% -0.0 0.06 perf-profile.children.cycles-pp.restore_fpregs_from_fpstate
> > 0.07 ą 6% -0.0 0.02 ą 99% perf-profile.children.cycles-pp.syscall_return_via_sysret
> > 0.11 ą 5% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.sched_move_task
> > 0.11 -0.0 0.06 ą 6% perf-profile.children.cycles-pp.set_next_entity
> > 0.11 -0.0 0.06 ą 6% perf-profile.children.cycles-pp.setlocale
> > 0.12 ą 4% -0.0 0.08 ą 6% perf-profile.children.cycles-pp.lru_add_fn
> > 0.14 ą 10% -0.0 0.10 ą 10% perf-profile.children.cycles-pp.worker_thread
> > 0.13 ą 8% -0.0 0.08 ą 10% perf-profile.children.cycles-pp.xas_load
> > 0.11 ą 3% -0.0 0.06 ą 7% perf-profile.children.cycles-pp.__tunable_get_val@plt
> > 0.11 ą 4% -0.0 0.06 perf-profile.children.cycles-pp.copy_present_ptes
> > 0.10 ą 4% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.finish_fault
> > 0.13 ą 2% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.__smp_call_single_queue
> > 0.12 ą 4% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.open_exec
> > 0.07 ą 5% -0.0 0.02 ą 99% perf-profile.children.cycles-pp.prepend_path
> > 0.10 ą 3% -0.0 0.05 ą 8% perf-profile.children.cycles-pp.sched_mm_cid_migrate_to
> > 0.12 ą 3% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.llist_add_batch
> > 0.11 ą 4% -0.0 0.07 ą 5% perf-profile.children.cycles-pp.__install_special_mapping
> > 0.10 -0.0 0.06 ą 8% perf-profile.children.cycles-pp.do_dentry_open
> > 0.10 ą 4% -0.0 0.05 ą 8% perf-profile.children.cycles-pp.put_cred_rcu
> > 0.08 ą 6% -0.0 0.03 ą 70% perf-profile.children.cycles-pp.vm_normal_page
> > 0.10 ą 4% -0.0 0.06 perf-profile.children.cycles-pp.cfree
> > 0.10 ą 4% -0.0 0.06 perf-profile.children.cycles-pp.getopt_long
> > 0.10 ą 4% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.__exit_signal
> > 0.09 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.filemap_fault
> > 0.09 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.uncharge_batch
> > 0.11 ą 4% -0.0 0.07 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown_vmflags
> > 0.15 ą 3% -0.0 0.11 ą 5% perf-profile.children.cycles-pp.update_rq_clock_task
> > 0.12 ą 6% -0.0 0.07 ą 5% perf-profile.children.cycles-pp.x64_sys_call
> > 0.12 ą 6% -0.0 0.07 ą 6% perf-profile.children.cycles-pp.path_init
> > 0.10 ą 4% -0.0 0.06 ą 9% perf-profile.children.cycles-pp.__vmalloc_node_range_noprof
> > 0.10 ą 3% -0.0 0.06 perf-profile.children.cycles-pp.__kernel_read
> > 0.11 ą 4% -0.0 0.06 ą 7% perf-profile.children.cycles-pp.__tlb_remove_folio_pages_size
> > 0.10 ą 3% -0.0 0.06 perf-profile.children.cycles-pp.__vsnprintf_chk
> > 0.10 ą 3% -0.0 0.06 perf-profile.children.cycles-pp.handle_signal
> > 0.11 ą 11% -0.0 0.06 ą 11% perf-profile.children.cycles-pp.xas_find
> > 0.09 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.prepare_creds
> > 0.09 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.strchrnul@plt
> > 0.10 -0.0 0.06 perf-profile.children.cycles-pp.__mod_lruvec_state
> > 0.10 -0.0 0.06 perf-profile.children.cycles-pp.d_path
> > 0.10 -0.0 0.06 perf-profile.children.cycles-pp.do_faccessat
> > 0.10 ą 5% -0.0 0.06 ą 9% perf-profile.children.cycles-pp.__close_nocancel
> > 0.07 ą 6% -0.0 0.03 ą 70% perf-profile.children.cycles-pp.__sigsuspend
> > 0.11 ą 3% -0.0 0.07 ą 5% perf-profile.children.cycles-pp.wakeup_preempt
> > 0.09 ą 6% -0.0 0.05 perf-profile.children.cycles-pp.vma_interval_tree_augment_rotate
> > 0.12 ą 3% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.native_sched_clock
> > 0.12 ą 3% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.sched_clock_cpu
> > 0.10 -0.0 0.06 ą 6% perf-profile.children.cycles-pp.handle_pte_fault
> > 0.10 ą 4% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.user_path_at_empty
> > 0.11 ą 13% -0.0 0.08 ą 12% perf-profile.children.cycles-pp.process_one_work
> > 0.08 -0.0 0.04 ą 44% perf-profile.children.cycles-pp.entry_SYSCALL_64
> > 0.10 ą 6% -0.0 0.06 perf-profile.children.cycles-pp.brk
> > 0.10 ą 3% -0.0 0.06 ą 7% perf-profile.children.cycles-pp.pipe_write
> > 0.09 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.evict
> > 0.09 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.malloc
> > 0.10 ą 5% -0.0 0.06 ą 6% perf-profile.children.cycles-pp.alloc_fd
> > 0.09 -0.0 0.05 ą 8% perf-profile.children.cycles-pp.count
> > 0.09 -0.0 0.05 ą 8% perf-profile.children.cycles-pp.expand_downwards
> > 0.09 ą 4% -0.0 0.06 ą 9% perf-profile.children.cycles-pp.vm_unmapped_area
> > 0.09 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.__p4d_alloc
> > 0.10 ą 5% -0.0 0.06 perf-profile.children.cycles-pp.kfree
> > 0.10 -0.0 0.06 ą 7% perf-profile.children.cycles-pp.task_h_load
> > 0.09 -0.0 0.06 ą 9% perf-profile.children.cycles-pp.__snprintf_chk
> > 0.08 ą 6% -0.0 0.04 ą 44% perf-profile.children.cycles-pp.__wake_up
> > 0.09 -0.0 0.06 ą 9% perf-profile.children.cycles-pp.irqentry_enter
> > 0.09 ą 5% -0.0 0.05 ą 7% perf-profile.children.cycles-pp.seq_read_iter
> > 0.09 ą 4% -0.0 0.05 ą 8% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.08 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.seq_read
> > 0.08 ą 6% -0.0 0.04 ą 44% perf-profile.children.cycles-pp._IO_setb
> > 0.10 ą 4% -0.0 0.07 ą 5% perf-profile.children.cycles-pp.sched_clock
> > 0.08 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.__do_sys_brk
> > 0.08 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.can_modify_mm
> > 0.08 ą 5% -0.0 0.05 perf-profile.children.cycles-pp.refill_obj_stock
> > 0.08 ą 5% -0.0 0.05 ą 7% perf-profile.children.cycles-pp.__update_blocked_fair
> > 0.08 ą 5% -0.0 0.05 ą 7% perf-profile.children.cycles-pp.__wake_up_common
> > 0.08 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.do_brk_flags
> > 0.09 -0.0 0.06 perf-profile.children.cycles-pp.__d_rehash
> > 0.08 ą 4% -0.0 0.05 ą 7% perf-profile.children.cycles-pp.mas_wr_walk
> > 0.08 -0.0 0.05 perf-profile.children.cycles-pp.__send_signal_locked
> > 0.08 -0.0 0.05 perf-profile.children.cycles-pp.arch_dup_task_struct
> > 0.08 -0.0 0.05 perf-profile.children.cycles-pp.copy_page
> > 0.08 -0.0 0.05 perf-profile.children.cycles-pp.folio_mark_accessed
> > 0.08 ą 4% -0.0 0.05 perf-profile.children.cycles-pp.llist_reverse_order
> > 0.11 ą 4% -0.0 0.08 ą 4% perf-profile.children.cycles-pp.__update_load_avg_se
> > 0.10 ą 8% -0.0 0.07 ą 8% perf-profile.children.cycles-pp.ktime_get
> > 0.08 ą 6% -0.0 0.05 perf-profile.children.cycles-pp.__wake_up_sync_key
> > 0.08 ą 6% -0.0 0.05 perf-profile.children.cycles-pp.update_min_vruntime
> > 0.20 ą 2% -0.0 0.18 perf-profile.children.cycles-pp.sched_tick
> > 0.09 ą 5% -0.0 0.07 ą 5% perf-profile.children.cycles-pp.update_cfs_group
> > 0.09 ą 5% -0.0 0.07 perf-profile.children.cycles-pp.sched_balance_domains
> > 0.08 ą 6% -0.0 0.06 perf-profile.children.cycles-pp.main
> > 0.08 ą 6% -0.0 0.06 perf-profile.children.cycles-pp.run_builtin
> > 0.07 -0.0 0.06 perf-profile.children.cycles-pp.__cmd_record
> > 0.07 -0.0 0.06 perf-profile.children.cycles-pp.cmd_record
> > 0.06 -0.0 0.05 perf-profile.children.cycles-pp.record__mmap_read_evlist
> > 0.08 ą 13% +0.1 0.17 ą 6% perf-profile.children.cycles-pp.__filename_parentat
> > 0.08 ą 10% +0.1 0.17 ą 6% perf-profile.children.cycles-pp.path_parentat
> > 0.78 ą 2% +0.1 0.92 perf-profile.children.cycles-pp.lookup_open
> > 0.54 ą 3% +0.2 0.69 ą 3% perf-profile.children.cycles-pp.fstatat64
> > 0.23 ą 10% +0.2 0.46 ą 7% perf-profile.children.cycles-pp.complete_walk
> > 0.24 ą 6% +0.3 0.55 ą 2% perf-profile.children.cycles-pp.copy_fs_struct
> > 0.24 ą 6% +0.3 0.55 ą 2% perf-profile.children.cycles-pp.lockref_get
> > 0.39 ą 18% +0.4 0.77 ą 6% perf-profile.children.cycles-pp.exit_fs
> > 0.48 ą 16% +0.5 0.98 ą 5% perf-profile.children.cycles-pp.path_put
> > 3.33 +0.7 4.06 perf-profile.children.cycles-pp.open_last_lookups
> > 5.32 +1.3 6.61 ą 3% perf-profile.children.cycles-pp.filename_lookup
> > 5.30 +1.3 6.60 ą 3% perf-profile.children.cycles-pp.path_lookupat
> > 5.59 +1.3 6.94 ą 2% perf-profile.children.cycles-pp.__do_sys_newfstatat
> > 5.51 +1.4 6.89 ą 2% perf-profile.children.cycles-pp.vfs_fstatat
> > 5.36 +1.4 6.80 ą 2% perf-profile.children.cycles-pp.vfs_statx
> > 14.06 ą 2% +1.5 15.61 perf-profile.children.cycles-pp.__lookup_slow
> > 14.44 ą 2% +1.8 16.29 perf-profile.children.cycles-pp.d_alloc_parallel
> > 9.68 ą 3% +3.0 12.68 perf-profile.children.cycles-pp.d_alloc
> > 0.46 +4.5 4.96 perf-profile.children.cycles-pp.lockref_put_return
> > 9.84 ą 2% +5.0 14.85 perf-profile.children.cycles-pp.__dentry_kill
> > 6.51 ą 2% +5.6 12.14 perf-profile.children.cycles-pp.step_into
> > 80.87 +7.9 88.76 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 9.08 ą 2% +7.9 16.98 perf-profile.children.cycles-pp.lookup_fast
> > 80.82 +7.9 88.73 perf-profile.children.cycles-pp.do_syscall_64
> > 25.94 +8.0 33.97 perf-profile.children.cycles-pp.walk_component
> > 9.11 ą 3% +8.2 17.31 perf-profile.children.cycles-pp.lockref_get_not_dead
> > 8.84 ą 3% +8.5 17.29 perf-profile.children.cycles-pp.try_to_unlazy
> > 8.82 ą 3% +8.5 17.28 perf-profile.children.cycles-pp.__legitimize_path
> > 9.80 ą 2% +9.2 19.05 perf-profile.children.cycles-pp.terminate_walk
> > 31.80 +13.3 45.09 perf-profile.children.cycles-pp.link_path_walk
> > 20.49 ą 2% +14.7 35.22 perf-profile.children.cycles-pp.dput
> > 36.99 ą 3% +16.9 53.91 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
> > 38.51 ą 3% +17.1 55.62 perf-profile.children.cycles-pp._raw_spin_lock
> > 42.28 +21.2 63.51 perf-profile.children.cycles-pp.__x64_sys_openat
> > 42.26 +21.2 63.50 perf-profile.children.cycles-pp.do_sys_openat2
> > 41.86 +21.4 63.26 perf-profile.children.cycles-pp.do_filp_open
> > 41.79 +21.4 63.22 perf-profile.children.cycles-pp.path_openat
> > 7.51 ą 5% -5.2 2.30 ą 11% perf-profile.self.cycles-pp.osq_lock
> > 1.82 ą 2% -0.8 1.05 perf-profile.self.cycles-pp.next_uptodate_folio
> > 1.82 -0.7 1.08 ą 2% perf-profile.self.cycles-pp.acpi_safe_halt
> > 1.74 -0.7 1.07 perf-profile.self.cycles-pp.clear_page_erms
> > 1.08 ą 2% -0.6 0.49 ą 4% perf-profile.self.cycles-pp.rwsem_spin_on_owner
> > 0.99 ą 2% -0.4 0.58 ą 3% perf-profile.self.cycles-pp.vma_interval_tree_insert
> > 0.90 -0.4 0.50 ą 2% perf-profile.self.cycles-pp.__slab_free
> > 0.82 -0.3 0.48 ą 2% perf-profile.self.cycles-pp.filemap_map_pages
> > 0.75 ą 2% -0.3 0.42 perf-profile.self.cycles-pp.folio_remove_rmap_ptes
> > 0.62 -0.3 0.32 ą 2% perf-profile.self.cycles-pp.folios_put_refs
> > 0.75 -0.3 0.46 ą 2% perf-profile.self.cycles-pp.__d_lookup_rcu
> > 0.62 -0.3 0.34 ą 3% perf-profile.self.cycles-pp.up_write
> > 0.59 ą 2% -0.3 0.33 ą 3% perf-profile.self.cycles-pp._compound_head
> > 0.56 ą 2% -0.3 0.31 ą 2% perf-profile.self.cycles-pp.down_write
> > 0.58 -0.2 0.34 ą 2% perf-profile.self.cycles-pp.zap_present_ptes
> > 0.52 -0.2 0.31 perf-profile.self.cycles-pp.__memcg_slab_free_hook
> > 0.53 -0.2 0.33 perf-profile.self.cycles-pp._IO_default_xsputn
> > 0.50 ą 2% -0.2 0.30 perf-profile.self.cycles-pp._IO_fwrite
> > 0.52 -0.2 0.32 perf-profile.self.cycles-pp.native_irq_return_iret
> > 0.48 -0.2 0.29 perf-profile.self.cycles-pp.sync_regs
> > 0.46 ą 2% -0.2 0.26 ą 2% perf-profile.self.cycles-pp.update_sg_wakeup_stats
> > 0.37 ą 2% -0.2 0.18 ą 2% perf-profile.self.cycles-pp.apparmor_file_alloc_security
> > 0.44 -0.2 0.26 perf-profile.self.cycles-pp.strnlen_user
> > 0.42 -0.2 0.24 perf-profile.self.cycles-pp.vma_interval_tree_remove
> > 0.40 -0.2 0.24 ą 2% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
> > 0.39 -0.2 0.23 ą 2% perf-profile.self.cycles-pp.mod_objcg_state
> > 0.42 -0.2 0.26 ą 2% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.40 -0.2 0.24 perf-profile.self.cycles-pp.kmem_cache_free
> > 0.34 -0.1 0.20 ą 2% perf-profile.self.cycles-pp._raw_spin_lock_irqsave
> > 0.32 -0.1 0.18 ą 3% perf-profile.self.cycles-pp.free_pages_and_swap_cache
> > 0.36 ą 4% -0.1 0.24 ą 3% perf-profile.self.cycles-pp.update_load_avg
> > 0.24 ą 3% -0.1 0.11 ą 4% perf-profile.self.cycles-pp.apparmor_file_free_security
> > 0.28 ą 2% -0.1 0.16 ą 3% perf-profile.self.cycles-pp.folio_add_file_rmap_ptes
> > 0.30 -0.1 0.18 ą 3% perf-profile.self.cycles-pp.clear_bhb_loop
> > 1.96 -0.1 1.84 perf-profile.self.cycles-pp._raw_spin_lock
> > 0.28 -0.1 0.18 ą 2% perf-profile.self.cycles-pp.mas_walk
> > 0.29 -0.1 0.18 perf-profile.self.cycles-pp.copy_mc_enhanced_fast_string
> > 0.26 -0.1 0.16 ą 3% perf-profile.self.cycles-pp.memset_orig
> > 0.27 ą 2% -0.1 0.17 ą 2% perf-profile.self.cycles-pp.___perf_sw_event
> > 0.26 ą 4% -0.1 0.16 ą 4% perf-profile.self.cycles-pp.__schedule
> > 0.24 ą 2% -0.1 0.15 ą 2% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state
> > 0.24 ą 2% -0.1 0.15 perf-profile.self.cycles-pp.__cond_resched
> > 0.25 -0.1 0.16 ą 3% perf-profile.self.cycles-pp._IO_padn
> > 0.21 ą 2% -0.1 0.12 ą 4% perf-profile.self.cycles-pp.__rb_insert_augmented
> > 0.24 ą 2% -0.1 0.15 ą 3% perf-profile.self.cycles-pp.zap_pte_range
> > 0.20 ą 2% -0.1 0.10 ą 4% perf-profile.self.cycles-pp.rcu_segcblist_enqueue
> > 0.22 ą 11% -0.1 0.13 ą 8% perf-profile.self.cycles-pp.rwsem_down_read_slowpath
> > 0.24 -0.1 0.15 ą 3% perf-profile.self.cycles-pp.cgroup_rstat_updated
> > 0.20 ą 4% -0.1 0.12 ą 3% perf-profile.self.cycles-pp.__handle_mm_fault
> > 0.21 ą 4% -0.1 0.12 ą 4% perf-profile.self.cycles-pp.__percpu_counter_sum
> > 0.19 -0.1 0.11 ą 5% perf-profile.self.cycles-pp.percpu_counter_add_batch
> > 0.18 ą 2% -0.1 0.10 ą 3% perf-profile.self.cycles-pp.rcu_cblist_dequeue
> > 0.21 ą 2% -0.1 0.14 ą 2% perf-profile.self.cycles-pp.up_read
> > 0.19 ą 3% -0.1 0.12 ą 3% perf-profile.self.cycles-pp.__memcpy
> > 0.18 ą 2% -0.1 0.11 ą 3% perf-profile.self.cycles-pp.switch_mm_irqs_off
> > 0.13 ą 2% -0.1 0.06 ą 6% perf-profile.self.cycles-pp.rwsem_down_write_slowpath
> > 0.16 ą 2% -0.1 0.09 ą 5% perf-profile.self.cycles-pp.try_charge_memcg
> > 0.17 -0.1 0.10 ą 3% perf-profile.self.cycles-pp.__get_user_8
> > 0.16 ą 3% -0.1 0.09 ą 4% perf-profile.self.cycles-pp.__switch_to_asm
> > 0.15 ą 4% -0.1 0.08 ą 4% perf-profile.self.cycles-pp.___slab_alloc
> > 0.16 -0.1 0.09 ą 5% perf-profile.self.cycles-pp.available_idle_cpu
> > 0.17 ą 2% -0.1 0.10 ą 4% perf-profile.self.cycles-pp.set_pte_range
> > 0.16 ą 2% -0.1 0.10 perf-profile.self.cycles-pp.native_flush_tlb_one_user
> > 0.14 ą 2% -0.1 0.08 perf-profile.self.cycles-pp.lock_vma_under_rcu
> > 0.15 ą 4% -0.1 0.09 ą 4% perf-profile.self.cycles-pp.enqueue_entity
> > 0.14 ą 3% -0.1 0.09 perf-profile.self.cycles-pp._IO_file_xsputn
> > 0.12 ą 14% -0.1 0.06 ą 7% perf-profile.self.cycles-pp._raw_spin_lock_irq
> > 0.17 ą 5% -0.1 0.11 ą 4% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
> > 0.12 ą 4% -0.1 0.07 ą 5% perf-profile.self.cycles-pp.down_read_trylock
> > 0.13 ą 2% -0.1 0.08 perf-profile.self.cycles-pp.mas_wr_node_store
> > 0.12 ą 3% -0.1 0.07 ą 5% perf-profile.self.cycles-pp.__switch_to
> > 0.13 ą 2% -0.1 0.08 ą 4% perf-profile.self.cycles-pp._copy_from_user
> > 0.13 -0.1 0.08 perf-profile.self.cycles-pp.__free_one_page
> > 0.12 ą 4% -0.0 0.06 ą 7% perf-profile.self.cycles-pp.__rb_erase_color
> > 0.12 ą 3% -0.0 0.07 ą 6% perf-profile.self.cycles-pp.mas_next_slot
> > 0.12 ą 3% -0.0 0.07 ą 5% perf-profile.self.cycles-pp.menu_select
> > 0.12 -0.0 0.07 perf-profile.self.cycles-pp.mmap_region
> > 0.12 -0.0 0.07 perf-profile.self.cycles-pp.strncpy_from_user
> > 0.10 -0.0 0.05 ą 7% perf-profile.self.cycles-pp.__lruvec_stat_mod_folio
> > 0.12 ą 3% -0.0 0.08 ą 6% perf-profile.self.cycles-pp.perf_event_mmap_output
> > 0.11 ą 3% -0.0 0.06 perf-profile.self.cycles-pp.restore_fpregs_from_fpstate
> > 0.12 ą 3% -0.0 0.07 ą 6% perf-profile.self.cycles-pp.rmqueue_bulk
> > 0.11 -0.0 0.06 ą 7% perf-profile.self.cycles-pp._find_next_bit
> > 0.12 ą 3% -0.0 0.08 ą 6% perf-profile.self.cycles-pp.llist_add_batch
> > 0.14 ą 2% -0.0 0.09 ą 4% perf-profile.self.cycles-pp.obj_cgroup_charge
> > 0.12 ą 4% -0.0 0.07 perf-profile.self.cycles-pp.link_path_walk
> > 0.11 ą 4% -0.0 0.06 ą 6% perf-profile.self.cycles-pp.__count_memcg_events
> > 0.10 ą 3% -0.0 0.05 ą 8% perf-profile.self.cycles-pp.sched_mm_cid_migrate_to
> > 0.13 ą 8% -0.0 0.09 ą 5% perf-profile.self.cycles-pp.update_rq_clock
> > 0.11 ą 6% -0.0 0.07 perf-profile.self.cycles-pp.rwsem_mark_wake
> > 0.11 ą 3% -0.0 0.07 perf-profile.self.cycles-pp.x64_sys_call
> > 0.10 ą 4% -0.0 0.06 ą 7% perf-profile.self.cycles-pp.rcu_all_qs
> > 0.09 ą 5% -0.0 0.05 ą 8% perf-profile.self.cycles-pp.do_user_addr_fault
> > 0.10 ą 3% -0.0 0.06 ą 6% perf-profile.self.cycles-pp.handle_mm_fault
> > 0.09 ą 5% -0.0 0.05 ą 8% perf-profile.self.cycles-pp.pcpu_alloc_noprof
> > 0.12 -0.0 0.08 perf-profile.self.cycles-pp.native_sched_clock
> > 0.08 -0.0 0.04 ą 44% perf-profile.self.cycles-pp.prepare_task_switch
> > 0.11 ą 3% -0.0 0.07 perf-profile.self.cycles-pp.getenv
> > 0.08 ą 4% -0.0 0.04 ą 44% perf-profile.self.cycles-pp.refill_obj_stock
> > 0.09 ą 5% -0.0 0.05 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.09 ą 5% -0.0 0.05 perf-profile.self.cycles-pp.vma_interval_tree_augment_rotate
> > 0.10 -0.0 0.06 ą 7% perf-profile.self.cycles-pp.task_h_load
> > 0.10 ą 3% -0.0 0.07 ą 7% perf-profile.self.cycles-pp.update_curr
> > 0.08 ą 5% -0.0 0.05 perf-profile.self.cycles-pp.__memcg_kmem_charge_page
> > 0.09 ą 4% -0.0 0.06 ą 6% perf-profile.self.cycles-pp.try_to_wake_up
> > 0.09 ą 4% -0.0 0.06 ą 6% perf-profile.self.cycles-pp.unmap_vmas
> > 0.08 ą 5% -0.0 0.05 perf-profile.self.cycles-pp.vm_area_dup
> > 0.07 ą 6% -0.0 0.04 ą 44% perf-profile.self.cycles-pp._IO_setb
> > 0.10 ą 3% -0.0 0.07 ą 7% perf-profile.self.cycles-pp.dequeue_task_fair
> > 0.09 ą 5% -0.0 0.06 ą 9% perf-profile.self.cycles-pp.__call_rcu_common
> > 0.08 ą 4% -0.0 0.05 perf-profile.self.cycles-pp.__flush_smp_call_function_queue
> > 0.17 ą 2% -0.0 0.14 perf-profile.self.cycles-pp.__dentry_kill
> > 0.08 ą 4% -0.0 0.05 ą 7% perf-profile.self.cycles-pp.__mod_memcg_state
> > 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__alloc_pages_noprof
> > 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__put_user_8
> > 0.08 -0.0 0.05 perf-profile.self.cycles-pp.__snprintf_chk
> > 0.08 -0.0 0.05 perf-profile.self.cycles-pp.mas_wr_walk
> > 0.08 -0.0 0.05 perf-profile.self.cycles-pp.unlink_anon_vmas
> > 0.12 ą 4% -0.0 0.09 ą 5% perf-profile.self.cycles-pp.update_rq_clock_task
> > 0.07 ą 8% -0.0 0.04 ą 44% perf-profile.self.cycles-pp.update_min_vruntime
> > 0.09 ą 5% -0.0 0.06 ą 7% perf-profile.self.cycles-pp.enqueue_task_fair
> > 0.08 ą 4% -0.0 0.05 perf-profile.self.cycles-pp.llist_reverse_order
> > 0.09 ą 5% -0.0 0.06 perf-profile.self.cycles-pp.__d_rehash
> > 0.09 ą 14% -0.0 0.06 ą 11% perf-profile.self.cycles-pp.update_sd_lb_stats
> > 0.08 ą 6% -0.0 0.05 perf-profile.self.cycles-pp.copy_page
> > 0.09 ą 4% -0.0 0.07 perf-profile.self.cycles-pp.update_cfs_group
> > 0.10 ą 4% -0.0 0.08 ą 6% perf-profile.self.cycles-pp.__update_load_avg_se
> > 0.17 ą 4% +0.0 0.20 ą 2% perf-profile.self.cycles-pp.down_read
> > 0.05 +0.0 0.08 ą 4% perf-profile.self.cycles-pp.dput
> > 0.20 +0.0 0.23 ą 2% perf-profile.self.cycles-pp.fput
> > 0.51 ą 2% +0.1 0.56 perf-profile.self.cycles-pp.d_alloc_parallel
> > 0.25 ą 2% +0.1 0.31 ą 2% perf-profile.self.cycles-pp.d_alloc
> > 0.00 +0.1 0.12 ą 4% perf-profile.self.cycles-pp.lockref_get
> > 0.46 ą 2% +4.2 4.69 perf-profile.self.cycles-pp.lockref_get_not_dead
> > 0.45 +4.5 4.91 perf-profile.self.cycles-pp.lockref_put_return
> > 36.60 ą 3% +16.8 53.40 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
> >
> >
> > ***************************************************************************************************
> > lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> > =========================================================================================
> > compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
> > gcc-13/performance/1HDD/ext4/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/getdent/stress-ng/60s
> >
> > commit:
> > 267574dee6 ("bcachefs: remove now spurious i_state initialization")
> > d042dae6ad ("lockref: speculatively spin waiting for the lock to be released")
> >
> > 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7
> > ---------------- ---------------------------
> > %stddev %change %stddev
> > \ | \
> > 177309 -4.8% 168834 vmstat.system.in
> > 5.76 ą 8% -10.4% 5.17 ą 2% iostat.cpu.idle
> > 91.68 +2.0% 93.54 iostat.cpu.system
> > 2.54 -49.7% 1.28 ą 2% iostat.cpu.user
> > 2.77 ą 18% -0.6 2.13 ą 6% mpstat.cpu.all.idle%
> > 1.14 -0.8 0.34 ą 5% mpstat.cpu.all.soft%
> > 2.60 -1.3 1.30 mpstat.cpu.all.usr%
> > 131.58 ą 11% -33.8% 87.05 ą 22% sched_debug.cfs_rq:/.load_avg.avg
> > 358.52 ą 13% -33.9% 237.11 ą 20% sched_debug.cfs_rq:/.load_avg.stddev
> > 3732 ą 7% -16.7% 3109 ą 11% sched_debug.cpu.avg_idle.min
> > 54365179 ą 2% -61.2% 21094696 ą 4% numa-numastat.node0.local_node
> > 54402060 ą 2% -61.2% 21116369 ą 4% numa-numastat.node0.numa_hit
> > 40309428 ą 2% -49.6% 20297594 ą 4% numa-numastat.node1.local_node
> > 40351498 ą 2% -49.6% 20336354 ą 4% numa-numastat.node1.numa_hit
> > 54513582 ą 2% -61.3% 21104676 ą 4% numa-vmstat.node0.numa_hit
> > 54476717 ą 2% -61.3% 21083003 ą 4% numa-vmstat.node0.numa_local
> > 40446773 ą 2% -49.7% 20327089 ą 4% numa-vmstat.node1.numa_hit
> > 40404702 ą 2% -49.8% 20288329 ą 4% numa-vmstat.node1.numa_local
> > 13178 ą 17% -47.2% 6951 ą 19% perf-c2c.DRAM.local
> > 31311 ą 13% -32.5% 21125 ą 18% perf-c2c.DRAM.remote
> > 29199 ą 10% -21.6% 22897 ą 13% perf-c2c.HITM.local
> > 13565 ą 13% -26.8% 9931 ą 19% perf-c2c.HITM.remote
> > 42764 ą 11% -23.2% 32828 ą 15% perf-c2c.HITM.total
> > 9550 -59.0% 3911 ą 7% stress-ng.getdent.nanosecs_per_getdents_call
> > 1.179e+08 -56.5% 51297497 ą 2% stress-ng.getdent.ops
> > 1964229 -56.5% 854956 ą 2% stress-ng.getdent.ops_per_sec
> > 86114063 -56.4% 37516313 ą 2% stress-ng.time.minor_page_faults
> > 3636 +2.3% 3718 stress-ng.time.system_time
> > 84.67 -57.2% 36.24 ą 2% stress-ng.time.user_time
> > 57605 ą 3% -6.3% 53991 ą 3% proc-vmstat.nr_active_anon
> > 1814 -4.3% 1736 ą 4% proc-vmstat.nr_active_file
> > 199146 +2.3% 203812 proc-vmstat.nr_inactive_anon
> > 37599 +4.4% 39262 ą 2% proc-vmstat.nr_mapped
> > 81422 -4.2% 78023 proc-vmstat.nr_slab_reclaimable
> > 49630 -1.9% 48672 proc-vmstat.nr_slab_unreclaimable
> > 57605 ą 3% -6.3% 53991 ą 3% proc-vmstat.nr_zone_active_anon
> > 1814 -4.3% 1736 ą 4% proc-vmstat.nr_zone_active_file
> > 199146 +2.3% 203812 proc-vmstat.nr_zone_inactive_anon
> > 15605 ą 19% -41.3% 9164 ą 22% proc-vmstat.numa_hint_faults
> > 8927 ą 36% -38.8% 5463 ą 11% proc-vmstat.numa_hint_faults_local
> > 94830413 ą 2% -56.3% 41449377 ą 3% proc-vmstat.numa_hit
> > 94751461 ą 2% -56.3% 41388944 ą 3% proc-vmstat.numa_local
> > 119660 ą 8% +26.4% 151293 ą 7% proc-vmstat.pgactivate
> > 99784640 ą 2% -57.0% 42943559 ą 3% proc-vmstat.pgalloc_normal
> > 86284666 -56.2% 37781294 ą 2% proc-vmstat.pgfault
> > 99496632 ą 2% -57.1% 42682486 ą 3% proc-vmstat.pgfree
> > 3.32 ą 3% -28.6% 2.37 perf-stat.i.MPKI
> > 1.114e+10 -32.5% 7.517e+09 perf-stat.i.branch-instructions
> > 0.66 -0.1 0.53 perf-stat.i.branch-miss-rate%
> > 70296622 -44.4% 39108658 perf-stat.i.branch-misses
> > 45.76 -5.5 40.29 perf-stat.i.cache-miss-rate%
> > 1.696e+08 ą 2% -54.1% 77750955 perf-stat.i.cache-misses
> > 3.68e+08 ą 2% -47.8% 1.921e+08 perf-stat.i.cache-references
> > 4.43 +58.7% 7.03 perf-stat.i.cpi
> > 271.12 ą 3% -24.9% 203.71 ą 7% perf-stat.i.cpu-migrations
> > 1364 ą 2% +120.5% 3008 perf-stat.i.cycles-between-cache-misses
> > 5.101e+10 -36.2% 3.255e+10 perf-stat.i.instructions
> > 0.23 -35.7% 0.15 perf-stat.i.ipc
> > 44.34 -56.2% 19.42 perf-stat.i.metric.K/sec
> > 1416143 -56.4% 617728 ą 2% perf-stat.i.minor-faults
> > 1416143 -56.4% 617728 ą 2% perf-stat.i.page-faults
> > 3.33 ą 2% -28.1% 2.39 perf-stat.overall.MPKI
> > 0.63 -0.1 0.52 perf-stat.overall.branch-miss-rate%
> > 46.07 -5.6 40.47 perf-stat.overall.cache-miss-rate%
> > 4.39 +57.2% 6.91 perf-stat.overall.cpi
> > 1321 ą 2% +118.5% 2887 ą 2% perf-stat.overall.cycles-between-cache-misses
> > 0.23 -36.4% 0.14 perf-stat.overall.ipc
> > 1.096e+10 -32.5% 7.405e+09 perf-stat.ps.branch-instructions
> > 69044394 -44.4% 38415093 perf-stat.ps.branch-misses
> > 1.669e+08 ą 2% -54.0% 76744131 ą 2% perf-stat.ps.cache-misses
> > 3.623e+08 ą 2% -47.6% 1.897e+08 ą 2% perf-stat.ps.cache-references
> > 268.10 ą 3% -24.8% 201.67 ą 7% perf-stat.ps.cpu-migrations
> > 5.019e+10 -36.1% 3.207e+10 perf-stat.ps.instructions
> > 1393551 -56.3% 609646 ą 2% perf-stat.ps.minor-faults
> > 1393551 -56.3% 609646 ą 2% perf-stat.ps.page-faults
> > 3.071e+12 -36.3% 1.957e+12 perf-stat.total.instructions
> > 58.94 -52.6 6.32 ą 33% perf-profile.calltrace.cycles-pp.syscall
> > 58.03 -52.0 5.99 ą 35% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall
> > 57.96 -52.0 5.96 ą 35% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 29.21 -26.2 2.99 ą 35% perf-profile.calltrace.cycles-pp.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 28.52 -25.6 2.90 ą 36% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 28.40 -25.5 2.88 ą 36% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 27.98 -25.2 2.82 ą 37% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 8.70 ą 4% -8.3 0.36 ą102% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 8.66 ą 4% -8.3 0.35 ą102% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 8.62 ą 4% -8.3 0.35 ą102% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 8.61 ą 4% -8.3 0.35 ą102% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 5.90 ą 5% -5.2 0.69 ą 14% perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 5.49 ą 18% -5.1 0.37 ą223% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 5.47 ą 18% -5.1 0.36 ą223% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 5.09 ą 4% -5.1 0.00 perf-profile.calltrace.cycles-pp.proc_readdir_de.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 5.09 ą 4% -5.1 0.00 perf-profile.calltrace.cycles-pp.proc_readdir_de.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 5.93 ą 3% -5.0 0.90 ą 10% perf-profile.calltrace.cycles-pp.__close
> > 5.64 ą 3% -4.8 0.80 ą 11% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
> > 5.63 ą 3% -4.8 0.80 ą 11% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 5.55 ą 3% -4.8 0.77 ą 11% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 4.94 ą 20% -4.6 0.35 ą223% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 4.92 ą 20% -4.6 0.34 ą223% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 4.34 ą 4% -3.9 0.40 ą 71% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 4.28 ą 4% -3.6 0.64 ą 18% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 3.28 ą 2% -2.6 0.65 ą 7% perf-profile.calltrace.cycles-pp.brk
> > 3.20 ą 2% -2.6 0.62 ą 7% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk
> > 3.20 ą 2% -2.6 0.62 ą 7% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
> > 3.16 ą 2% -2.6 0.61 ą 7% perf-profile.calltrace.cycles-pp.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
> > 2.79 ą 2% -2.1 0.66 ą 8% perf-profile.calltrace.cycles-pp.asm_exc_page_fault
> > 2.52 ą 3% -2.0 0.48 ą 45% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
> > 2.54 ą 2% -2.0 0.57 ą 8% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
> > 2.51 -1.9 0.60 ą 2% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 2.49 -1.9 0.59 perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 2.39 -1.8 0.57 ą 2% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 2.39 -1.8 0.58 perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 5.01 ą 3% +1.8 6.76 perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 0.00 +2.2 2.20 ą 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component
> > 0.00 +2.2 2.20 ą 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk
> > 0.00 +2.2 2.20 ą 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat
> > 3.39 ą 4% +3.2 6.54 ą 2% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open
> > 0.00 +3.5 3.45 ą 12% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next
> > 0.00 +3.5 3.48 ą 12% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast
> > 0.00 +3.9 3.91 ą 4% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk
> > 0.00 +3.9 3.91 ą 4% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component
> > 0.00 +3.9 3.92 ą 4% perf-profile.calltrace.cycles-pp.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk.path_openat
> > 0.90 ą 4% +5.7 6.62 ą 9% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open
> > 7.79 ą 4% +9.7 17.50 ą 2% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 1.53 ą 4% +15.1 16.61 ą 3% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 0.00 +15.3 15.34 ą 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast
> > 0.18 ą141% +15.7 15.91 ą 3% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat
> > 0.18 ą141% +15.7 15.92 ą 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open
> > 0.00 +15.9 15.90 ą 3% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups
> > 11.06 ą 2% +17.1 28.20 ą 2% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 0.00 +17.4 17.40 ą 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk
> > 0.66 ą 9% +19.9 20.56 ą 3% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 0.65 ą 10% +19.9 20.55 ą 3% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open
> > 0.38 ą 71% +20.2 20.54 ą 3% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat
> > 0.00 +32.4 32.45 ą 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy
> > 0.00 +35.8 35.76 ą 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat
> > 0.00 +36.1 36.09 ą 3% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open
> > 1.19 ą 10% +41.6 42.82 ą 3% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 1.15 ą 10% +41.6 42.80 ą 3% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2
> > 26.89 ą 2% +63.4 90.25 ą 2% perf-profile.calltrace.cycles-pp.open64
> > 26.57 ą 2% +63.6 90.13 ą 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
> > 26.55 ą 2% +63.6 90.12 ą 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 26.46 ą 2% +63.6 90.09 ą 2% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 26.43 ą 2% +63.6 90.08 ą 2% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 25.37 ą 2% +64.0 89.41 ą 2% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 25.30 ą 2% +64.1 89.39 ą 2% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
> > 59.11 -52.7 6.38 ą 33% perf-profile.children.cycles-pp.syscall
> > 56.40 -50.7 5.70 ą 36% perf-profile.children.cycles-pp.iterate_dir
> > 29.22 -26.2 2.99 ą 35% perf-profile.children.cycles-pp.__x64_sys_getdents
> > 27.45 ą 4% -25.7 1.71 ą 27% perf-profile.children.cycles-pp.proc_readdir_de
> > 28.53 -25.6 2.90 ą 36% perf-profile.children.cycles-pp.__x64_sys_getdents64
> > 17.36 ą 4% -16.2 1.18 ą 24% perf-profile.children.cycles-pp.proc_tgid_net_readdir
> > 14.38 ą 4% -13.7 0.65 ą 38% perf-profile.children.cycles-pp._raw_read_lock
> > 10.97 ą 18% -10.1 0.85 ą186% perf-profile.children.cycles-pp.eventfs_iterate
> > 9.85 ą 20% -9.2 0.70 ą223% perf-profile.children.cycles-pp.__mutex_lock
> > 9.14 ą 22% -8.5 0.68 ą223% perf-profile.children.cycles-pp.osq_lock
> > 6.78 ą 6% -6.0 0.75 ą 21% perf-profile.children.cycles-pp.kernfs_fop_readdir
> > 6.54 ą 7% -5.7 0.87 ą 19% perf-profile.children.cycles-pp.down_read
> > 5.94 ą 6% -5.5 0.40 ą 39% perf-profile.children.cycles-pp.up_read
> > 5.90 ą 5% -5.2 0.70 ą 14% perf-profile.children.cycles-pp.lookup_open
> > 5.68 ą 6% -5.1 0.55 ą 17% perf-profile.children.cycles-pp.proc_lookup_de
> > 5.98 ą 3% -5.1 0.92 ą 10% perf-profile.children.cycles-pp.__close
> > 6.65 -5.0 1.63 perf-profile.children.cycles-pp.proc_fill_cache
> > 5.57 ą 6% -5.0 0.55 ą 16% perf-profile.children.cycles-pp.proc_tgid_net_lookup
> > 5.56 ą 3% -4.8 0.78 ą 11% perf-profile.children.cycles-pp.__x64_sys_close
> > 5.06 ą 4% -4.3 0.73 ą 18% perf-profile.children.cycles-pp.inode_permission
> > 5.01 -3.8 1.19 perf-profile.children.cycles-pp.proc_pident_readdir
> > 4.36 ą 4% -3.8 0.56 ą 12% perf-profile.children.cycles-pp.__fput
> > 4.70 -3.6 1.14 ą 4% perf-profile.children.cycles-pp.__d_lookup
> > 3.85 ą 6% -3.3 0.51 ą 20% perf-profile.children.cycles-pp.kernfs_iop_permission
> > 3.54 -3.1 0.48 ą 9% perf-profile.children.cycles-pp.do_open
> > 3.58 -2.6 0.93 perf-profile.children.cycles-pp.d_hash_and_lookup
> > 3.29 ą 2% -2.6 0.65 ą 7% perf-profile.children.cycles-pp.brk
> > 3.16 ą 2% -2.6 0.61 ą 7% perf-profile.children.cycles-pp.__do_sys_brk
> > 2.70 ą 7% -2.5 0.20 ą 32% perf-profile.children.cycles-pp.kernfs_dop_revalidate
> > 2.76 ą 6% -2.4 0.35 ą 13% perf-profile.children.cycles-pp.__dentry_kill
> > 2.67 ą 11% -2.3 0.35 ą 14% perf-profile.children.cycles-pp.proc_get_inode
> > 3.01 ą 2% -2.3 0.72 ą 8% perf-profile.children.cycles-pp.asm_exc_page_fault
> > 2.60 ą 11% -2.3 0.33 ą 13% perf-profile.children.cycles-pp.new_inode
> > 2.70 ą 2% -2.1 0.60 ą 8% perf-profile.children.cycles-pp.exc_page_fault
> > 2.69 ą 3% -2.1 0.60 ą 8% perf-profile.children.cycles-pp.do_user_addr_fault
> > 2.48 ą 2% -2.0 0.44 ą 9% perf-profile.children.cycles-pp.do_vmi_align_munmap
> > 2.32 ą 2% -2.0 0.29 ą 9% perf-profile.children.cycles-pp.do_dentry_open
> > 1.88 ą 8% -1.7 0.16 ą 20% perf-profile.children.cycles-pp.evict
> > 2.16 ą 3% -1.7 0.50 ą 8% perf-profile.children.cycles-pp.handle_mm_fault
> > 1.98 ą 2% -1.7 0.31 ą 10% perf-profile.children.cycles-pp.unmap_region
> > 2.01 ą 3% -1.6 0.45 ą 9% perf-profile.children.cycles-pp.__handle_mm_fault
> > 1.86 ą 3% -1.5 0.40 ą 9% perf-profile.children.cycles-pp.do_anonymous_page
> > 1.53 ą 6% -1.3 0.22 ą 8% perf-profile.children.cycles-pp.__lookup_slow
> > 1.35 ą 4% -1.2 0.14 ą 12% perf-profile.children.cycles-pp.security_file_open
> > 1.35 ą 4% -1.2 0.14 ą 15% perf-profile.children.cycles-pp.apparmor_file_open
> > 1.42 ą 3% -1.1 0.31 ą 8% perf-profile.children.cycles-pp.alloc_empty_file
> > 1.37 ą 3% -0.9 0.42 ą 5% perf-profile.children.cycles-pp.handle_softirqs
> > 1.36 ą 3% -0.9 0.41 ą 4% perf-profile.children.cycles-pp.rcu_core
> > 1.35 ą 2% -0.9 0.41 ą 5% perf-profile.children.cycles-pp.rcu_do_batch
> > 1.08 ą 4% -0.9 0.20 ą 9% perf-profile.children.cycles-pp.init_file
> > 1.21 ą 3% -0.8 0.36 ą 6% perf-profile.children.cycles-pp.kmem_cache_free
> > 0.92 ą 2% -0.8 0.07 ą 27% perf-profile.children.cycles-pp.mutex_lock
> > 1.04 ą 2% -0.8 0.23 ą 7% perf-profile.children.cycles-pp.step_into
> > 0.87 ą 2% -0.8 0.10 ą 15% perf-profile.children.cycles-pp.pde_put
> > 0.92 ą 4% -0.7 0.17 ą 10% perf-profile.children.cycles-pp.security_file_alloc
> > 1.00 -0.7 0.27 ą 2% perf-profile.children.cycles-pp.proc_map_files_readdir
> > 0.83 ą 4% -0.7 0.11 ą 15% perf-profile.children.cycles-pp.may_open
> > 0.82 ą 2% -0.7 0.13 ą 10% perf-profile.children.cycles-pp.tlb_finish_mmu
> > 0.96 ą 3% -0.7 0.27 ą 8% perf-profile.children.cycles-pp.alloc_anon_folio
> > 1.16 ą 2% -0.7 0.47 ą 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
> > 0.82 ą 4% -0.7 0.14 ą 12% perf-profile.children.cycles-pp.apparmor_file_alloc_security
> > 0.80 ą 2% -0.7 0.11 ą 12% perf-profile.children.cycles-pp.folios_put_refs
> > 1.13 ą 3% -0.7 0.45 ą 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
> > 0.86 ą 5% -0.7 0.18 ą 20% perf-profile.children.cycles-pp.irq_exit_rcu
> > 0.87 ą 2% -0.7 0.20 ą 3% perf-profile.children.cycles-pp.proc_readfd_common
> > 0.75 ą 2% -0.6 0.11 ą 12% perf-profile.children.cycles-pp.__fdget_pos
> > 0.84 -0.6 0.20 ą 2% perf-profile.children.cycles-pp.proc_ns_dir_readdir
> > 0.74 -0.6 0.12 ą 10% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
> > 0.69 ą 3% -0.6 0.06 ą 19% perf-profile.children.cycles-pp.d_splice_alias
> > 0.74 ą 2% -0.6 0.12 ą 10% perf-profile.children.cycles-pp.free_pages_and_swap_cache
> > 0.63 ą 2% -0.6 0.08 ą 11% perf-profile.children.cycles-pp.folio_batch_move_lru
> > 0.67 ą 5% -0.5 0.13 ą 8% perf-profile.children.cycles-pp.security_file_free
> > 0.61 ą 2% -0.5 0.07 ą 9% perf-profile.children.cycles-pp.fsnotify_grab_connector
> > 0.66 ą 5% -0.5 0.13 ą 10% perf-profile.children.cycles-pp.apparmor_file_free_security
> > 0.61 ą 2% -0.5 0.08 ą 8% perf-profile.children.cycles-pp.down_read_killable
> > 0.60 ą 2% -0.5 0.07 ą 12% perf-profile.children.cycles-pp.lru_add_drain
> > 0.60 ą 2% -0.5 0.07 ą 12% perf-profile.children.cycles-pp.lru_add_drain_cpu
> > 0.69 ą 4% -0.5 0.17 ą 5% perf-profile.children.cycles-pp.__slab_free
> > 0.58 ą 4% -0.5 0.06 ą 11% perf-profile.children.cycles-pp.kernfs_dir_pos
> > 0.78 ą 2% -0.5 0.27 ą 5% perf-profile.children.cycles-pp.filldir
> > 0.76 -0.5 0.26 ą 6% perf-profile.children.cycles-pp.filldir64
> > 0.77 ą 3% -0.5 0.28 ą 6% perf-profile.children.cycles-pp.clear_bhb_loop
> > 0.60 ą 2% -0.5 0.11 ą 6% perf-profile.children.cycles-pp.filp_flush
> > 0.75 ą 2% -0.5 0.26 ą 6% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
> > 0.73 ą 2% -0.5 0.25 ą 7% perf-profile.children.cycles-pp.alloc_inode
> > 0.62 ą 6% -0.5 0.14 ą 8% perf-profile.children.cycles-pp.security_file_permission
> > 0.59 ą 6% -0.5 0.13 ą 9% perf-profile.children.cycles-pp.apparmor_file_permission
> > 0.48 ą 3% -0.5 0.03 ą100% perf-profile.children.cycles-pp.__d_add
> > 0.52 ą 2% -0.4 0.08 ą 6% perf-profile.children.cycles-pp.dnotify_flush
> > 0.60 ą 3% -0.4 0.16 ą 7% perf-profile.children.cycles-pp.vma_alloc_folio_noprof
> > 0.59 ą 4% -0.4 0.16 ą 11% perf-profile.children.cycles-pp.alloc_pages_mpol_noprof
> > 0.50 ą 2% -0.4 0.07 ą 7% perf-profile.children.cycles-pp.fsnotify_find_mark
> > 0.66 ą 2% -0.4 0.24 ą 3% perf-profile.children.cycles-pp.d_alloc_parallel
> > 0.56 ą 3% -0.4 0.15 ą 10% perf-profile.children.cycles-pp.__alloc_pages_noprof
> > 0.56 ą 4% -0.4 0.17 ą 8% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof
> > 0.48 ą 2% -0.4 0.10 ą 10% perf-profile.children.cycles-pp.unmap_vmas
> > 0.48 ą 3% -0.4 0.09 ą 7% perf-profile.children.cycles-pp.unmap_page_range
> > 0.47 ą 2% -0.4 0.09 ą 10% perf-profile.children.cycles-pp.zap_pmd_range
> > 0.46 ą 3% -0.4 0.09 ą 10% perf-profile.children.cycles-pp.zap_pte_range
> > 0.49 ą 2% -0.4 0.12 ą 6% perf-profile.children.cycles-pp.do_brk_flags
> > 0.47 ą 3% -0.4 0.12 ą 9% perf-profile.children.cycles-pp.get_page_from_freelist
> > 0.38 -0.3 0.06 ą 7% perf-profile.children.cycles-pp.zap_present_ptes
> > 0.48 ą 2% -0.3 0.18 ą 6% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.36 ą 3% -0.3 0.06 ą 13% perf-profile.children.cycles-pp.__call_rcu_common
> > 0.49 ą 3% -0.3 0.19 ą 3% perf-profile.children.cycles-pp.d_alloc
> > 0.32 ą 2% -0.3 0.02 ą 99% perf-profile.children.cycles-pp.alloc_fd
> > 0.36 ą 2% -0.3 0.07 ą 12% perf-profile.children.cycles-pp.inode_wait_for_writeback
> > 0.53 ą 7% -0.3 0.26 ą 13% perf-profile.children.cycles-pp.kthread
> > 0.53 ą 7% -0.3 0.26 ą 13% perf-profile.children.cycles-pp.ret_from_fork
> > 0.53 ą 7% -0.3 0.26 ą 13% perf-profile.children.cycles-pp.ret_from_fork_asm
> > 0.51 ą 8% -0.3 0.24 ą 16% perf-profile.children.cycles-pp.run_ksoftirqd
> > 0.51 ą 8% -0.3 0.24 ą 15% perf-profile.children.cycles-pp.smpboot_thread_fn
> > 0.37 ą 5% -0.3 0.10 ą 10% perf-profile.children.cycles-pp.proc_alloc_inode
> > 0.32 ą 6% -0.3 0.07 ą 17% perf-profile.children.cycles-pp.___slab_alloc
> > 0.38 ą 2% -0.2 0.14 ą 4% perf-profile.children.cycles-pp.__cond_resched
> > 0.32 ą 2% -0.2 0.08 ą 10% perf-profile.children.cycles-pp.__split_vma
> > 0.38 ą 2% -0.2 0.14 ą 6% perf-profile.children.cycles-pp.entry_SYSCALL_64
> > 0.28 ą 2% -0.2 0.05 perf-profile.children.cycles-pp.lockref_get
> > 0.32 ą 2% -0.2 0.09 ą 6% perf-profile.children.cycles-pp.__d_lookup_rcu
> > 0.32 ą 3% -0.2 0.09 ą 7% perf-profile.children.cycles-pp.__mem_cgroup_charge
> > 0.42 ą 21% -0.2 0.20 ą 6% perf-profile.children.cycles-pp.rb_next
> > 0.34 ą 3% -0.2 0.13 ą 5% perf-profile.children.cycles-pp.getname_flags
> > 0.36 ą 2% -0.2 0.15 ą 8% perf-profile.children.cycles-pp.inode_init_always
> > 0.23 ą 2% -0.2 0.03 ą 70% perf-profile.children.cycles-pp.task_lookup_next_fdget_rcu
> > 0.23 ą 5% -0.2 0.04 ą 45% perf-profile.children.cycles-pp.security_file_post_open
> > 0.30 ą 2% -0.2 0.11 ą 6% perf-profile.children.cycles-pp.__memcg_slab_free_hook
> > 0.22 ą 5% -0.2 0.04 ą 45% perf-profile.children.cycles-pp.ima_file_check
> > 0.27 ą 2% -0.2 0.10 ą 7% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.24 ą 2% -0.2 0.07 ą 5% perf-profile.children.cycles-pp.pid_delete_dentry
> > 0.22 ą 3% -0.2 0.06 ą 19% perf-profile.children.cycles-pp.path_init
> > 0.25 ą 3% -0.2 0.09 ą 7% perf-profile.children.cycles-pp.sync_regs
> > 0.21 ą 3% -0.2 0.06 ą 9% perf-profile.children.cycles-pp.proc_free_inode
> > 0.24 ą 3% -0.1 0.09 ą 5% perf-profile.children.cycles-pp.__d_alloc
> > 0.23 ą 4% -0.1 0.09 ą 7% perf-profile.children.cycles-pp.strncpy_from_user
> > 0.22 ą 2% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.native_irq_return_iret
> > 0.19 ą 2% -0.1 0.06 ą 6% perf-profile.children.cycles-pp.mas_wr_store_entry
> > 0.22 ą 2% -0.1 0.08 ą 5% perf-profile.children.cycles-pp.verify_dirent_name
> > 0.20 ą 2% -0.1 0.07 ą 5% perf-profile.children.cycles-pp.stress_getdents_dir
> > 0.20 ą 5% -0.1 0.08 ą 4% perf-profile.children.cycles-pp.pid_revalidate
> > 0.20 ą 3% -0.1 0.08 ą 10% perf-profile.children.cycles-pp.mod_objcg_state
> > 0.19 -0.1 0.07 ą 8% perf-profile.children.cycles-pp.stress_getdents64_dir
> > 0.18 ą 4% -0.1 0.06 ą 7% perf-profile.children.cycles-pp.strlcat
> > 0.15 ą 3% -0.1 0.03 ą100% perf-profile.children.cycles-pp.nd_jump_root
> > 0.17 ą 4% -0.1 0.06 ą 9% perf-profile.children.cycles-pp.perf_event_mmap
> > 0.18 ą 2% -0.1 0.07 ą 5% perf-profile.children.cycles-pp.snprintf
> > 0.19 ą 2% -0.1 0.07 ą 9% perf-profile.children.cycles-pp.security_inode_alloc
> > 0.17 ą 4% -0.1 0.06 ą 9% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio
> > 0.16 ą 4% -0.1 0.05 ą 7% perf-profile.children.cycles-pp.perf_event_mmap_event
> > 0.18 ą 2% -0.1 0.06 ą 7% perf-profile.children.cycles-pp.vsnprintf
> > 0.18 ą 2% -0.1 0.06 ą 7% perf-profile.children.cycles-pp.memchr
> > 0.17 ą 4% -0.1 0.06 ą 7% perf-profile.children.cycles-pp.clear_page_erms
> > 0.18 ą 2% -0.1 0.07 ą 12% perf-profile.children.cycles-pp.generic_permission
> > 0.16 ą 3% -0.1 0.06 ą 8% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state
> > 0.16 ą 2% -0.1 0.06 ą 8% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
> > 0.18 ą 2% -0.1 0.08 ą 6% perf-profile.children.cycles-pp.rcu_cblist_dequeue
> > 0.15 -0.1 0.05 ą 7% perf-profile.children.cycles-pp.__perf_sw_event
> > 0.16 ą 3% -0.1 0.06 ą 8% perf-profile.children.cycles-pp.rcu_all_qs
> > 0.13 -0.1 0.03 ą 70% perf-profile.children.cycles-pp.___perf_sw_event
> > 0.13 ą 6% -0.1 0.04 ą 45% perf-profile.children.cycles-pp.__check_object_size
> > 0.11 -0.1 0.02 ą 99% perf-profile.children.cycles-pp.errseq_sample
> > 0.00 +0.1 0.05 ą 7% perf-profile.children.cycles-pp.get_jiffies_update
> > 0.00 +0.1 0.05 ą 7% perf-profile.children.cycles-pp.tmigr_requires_handle_remote
> > 0.00 +0.1 0.06 ą 6% perf-profile.children.cycles-pp.vfs_fstatat
> > 0.00 +0.1 0.06 ą 6% perf-profile.children.cycles-pp.vfs_statx
> > 0.00 +0.1 0.06 perf-profile.children.cycles-pp.__do_sys_newfstatat
> > 0.00 +0.1 0.06 ą 6% perf-profile.children.cycles-pp.filename_lookup
> > 0.00 +0.1 0.06 ą 6% perf-profile.children.cycles-pp.path_lookupat
> > 0.24 ą 3% +0.2 0.44 ą 4% perf-profile.children.cycles-pp.putname
> > 5.03 ą 3% +1.9 6.93 perf-profile.children.cycles-pp.walk_component
> > 2.70 ą 2% +4.1 6.80 ą 9% perf-profile.children.cycles-pp.lockref_put_return
> > 0.12 ą 12% +4.3 4.38 ą 6% perf-profile.children.cycles-pp.try_to_unlazy_next
> > 93.59 +4.4 97.98 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 93.49 +4.4 97.94 perf-profile.children.cycles-pp.do_syscall_64
> > 7.80 ą 4% +9.7 17.52 ą 2% perf-profile.children.cycles-pp.open_last_lookups
> > 11.09 ą 2% +17.3 28.42 ą 2% perf-profile.children.cycles-pp.link_path_walk
> > 4.95 ą 4% +18.3 23.29 ą 2% perf-profile.children.cycles-pp.lookup_fast
> > 6.89 ą 4% +36.7 43.64 ą 2% perf-profile.children.cycles-pp.dput
> > 1.37 ą 9% +37.4 38.81 ą 3% perf-profile.children.cycles-pp.try_to_unlazy
> > 1.20 ą 10% +41.7 42.95 ą 3% perf-profile.children.cycles-pp.terminate_walk
> > 1.42 ą 10% +41.8 43.18 ą 3% perf-profile.children.cycles-pp.__legitimize_path
> > 1.11 ą 12% +42.0 43.16 ą 3% perf-profile.children.cycles-pp.lockref_get_not_dead
> > 26.94 ą 2% +63.3 90.27 ą 2% perf-profile.children.cycles-pp.open64
> > 26.49 ą 2% +63.9 90.38 ą 2% perf-profile.children.cycles-pp.__x64_sys_openat
> > 26.46 ą 2% +63.9 90.38 ą 2% perf-profile.children.cycles-pp.do_sys_openat2
> > 9.73 ą 7% +64.0 73.74 ą 3% perf-profile.children.cycles-pp._raw_spin_lock
> > 25.39 ą 2% +64.3 89.71 ą 2% perf-profile.children.cycles-pp.do_filp_open
> > 25.33 ą 2% +64.4 89.69 ą 2% perf-profile.children.cycles-pp.path_openat
> > 4.21 ą 14% +68.2 72.38 ą 3% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
> > 14.22 ą 4% -13.6 0.64 ą 37% perf-profile.self.cycles-pp._raw_read_lock
> > 12.62 ą 4% -11.9 0.73 ą 28% perf-profile.self.cycles-pp.proc_readdir_de
> > 9.07 ą 22% -8.4 0.68 ą223% perf-profile.self.cycles-pp.osq_lock
> > 6.45 ą 7% -5.6 0.84 ą 19% perf-profile.self.cycles-pp.down_read
> > 5.89 ą 6% -5.5 0.39 ą 39% perf-profile.self.cycles-pp.up_read
> > 5.72 ą 2% -4.4 1.36 ą 6% perf-profile.self.cycles-pp._raw_spin_lock
> > 2.20 -1.4 0.78 ą 3% perf-profile.self.cycles-pp.__d_lookup
> > 1.50 ą 4% -1.4 0.09 ą 30% perf-profile.self.cycles-pp.proc_lookup_de
> > 1.33 ą 4% -1.2 0.14 ą 15% perf-profile.self.cycles-pp.apparmor_file_open
> > 0.86 ą 2% -0.8 0.04 ą 77% perf-profile.self.cycles-pp.mutex_lock
> > 0.86 ą 2% -0.8 0.09 ą 16% perf-profile.self.cycles-pp.pde_put
> > 0.80 ą 4% -0.7 0.14 ą 10% perf-profile.self.cycles-pp.apparmor_file_alloc_security
> > 0.60 ą 2% -0.5 0.07 ą 11% perf-profile.self.cycles-pp.do_dentry_open
> > 0.65 ą 5% -0.5 0.13 ą 12% perf-profile.self.cycles-pp.apparmor_file_free_security
> > 0.68 ą 4% -0.5 0.16 ą 5% perf-profile.self.cycles-pp.__slab_free
> > 0.58 ą 3% -0.5 0.07 ą 9% perf-profile.self.cycles-pp.down_read_killable
> > 0.76 ą 3% -0.5 0.28 ą 5% perf-profile.self.cycles-pp.clear_bhb_loop
> > 0.50 ą 2% -0.5 0.04 ą 71% perf-profile.self.cycles-pp.__fput
> > 0.77 ą 3% -0.5 0.31 ą 5% perf-profile.self.cycles-pp.proc_fill_cache
> > 0.55 ą 6% -0.4 0.12 ą 10% perf-profile.self.cycles-pp.apparmor_file_permission
> > 0.50 ą 2% -0.4 0.11 ą 6% perf-profile.self.cycles-pp.kernfs_fop_readdir
> > 0.56 ą 2% -0.4 0.20 ą 5% perf-profile.self.cycles-pp.filldir
> > 0.56 ą 2% -0.4 0.20 ą 6% perf-profile.self.cycles-pp.filldir64
> > 0.38 ą 3% -0.3 0.12 ą 11% perf-profile.self.cycles-pp.inode_permission
> > 0.31 ą 2% -0.2 0.09 ą 7% perf-profile.self.cycles-pp.__d_lookup_rcu
> > 0.40 ą 21% -0.2 0.20 ą 7% perf-profile.self.cycles-pp.rb_next
> > 0.31 ą 2% -0.2 0.12 ą 9% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
> > 0.26 -0.2 0.10 ą 4% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.23 ą 2% -0.2 0.07 ą 5% perf-profile.self.cycles-pp.pid_delete_dentry
> > 0.24 ą 3% -0.2 0.08 ą 8% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.24 ą 3% -0.2 0.09 ą 7% perf-profile.self.cycles-pp.sync_regs
> > 0.23 ą 2% -0.1 0.08 ą 5% perf-profile.self.cycles-pp.syscall
> > 0.22 ą 2% -0.1 0.08 ą 5% perf-profile.self.cycles-pp.native_irq_return_iret
> > 0.21 ą 2% -0.1 0.07 ą 10% perf-profile.self.cycles-pp.link_path_walk
> > 0.21 ą 2% -0.1 0.08 ą 4% perf-profile.self.cycles-pp.__cond_resched
> > 0.16 ą 3% -0.1 0.03 ą 70% perf-profile.self.cycles-pp.d_alloc_parallel
> > 0.18 ą 4% -0.1 0.07 ą 7% perf-profile.self.cycles-pp.__fdget_pos
> > 0.18 ą 3% -0.1 0.06 ą 7% perf-profile.self.cycles-pp.stress_getdents_dir
> > 0.18 ą 3% -0.1 0.07 ą 7% perf-profile.self.cycles-pp.kmem_cache_free
> > 0.17 ą 2% -0.1 0.06 ą 6% perf-profile.self.cycles-pp.stress_getdents64_dir
> > 0.17 ą 4% -0.1 0.06 ą 6% perf-profile.self.cycles-pp.strlcat
> > 0.14 ą 5% -0.1 0.03 ą 70% perf-profile.self.cycles-pp.step_into
> > 0.17 ą 4% -0.1 0.06 ą 7% perf-profile.self.cycles-pp.clear_page_erms
> > 0.16 ą 2% -0.1 0.06 ą 8% perf-profile.self.cycles-pp.memchr
> > 0.16 ą 3% -0.1 0.06 ą 7% perf-profile.self.cycles-pp.mod_objcg_state
> > 0.15 ą 2% -0.1 0.05 ą 7% perf-profile.self.cycles-pp.do_syscall_64
> > 0.17 ą 2% -0.1 0.08 ą 6% perf-profile.self.cycles-pp.rcu_cblist_dequeue
> > 0.12 ą 3% -0.1 0.04 ą 71% perf-profile.self.cycles-pp.inode_init_always
> > 0.14 ą 3% -0.1 0.06 ą 11% perf-profile.self.cycles-pp.generic_permission
> > 0.00 +0.1 0.05 ą 7% perf-profile.self.cycles-pp.get_jiffies_update
> > 0.24 ą 3% +0.2 0.44 ą 4% perf-profile.self.cycles-pp.putname
> > 2.66 ą 3% +4.1 6.77 ą 9% perf-profile.self.cycles-pp.lockref_put_return
> > 0.85 ą 5% +5.7 6.58 ą 8% perf-profile.self.cycles-pp.lockref_get_not_dead
> > 4.08 ą 14% +68.0 72.04 ą 3% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
> >
> >
> >
> > ***************************************************************************************************
> > lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> > =========================================================================================
> > compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
> > gcc-13/performance/1HDD/xfs/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/getdent/stress-ng/60s
> >
> > commit:
> > 267574dee6 ("bcachefs: remove now spurious i_state initialization")
> > d042dae6ad ("lockref: speculatively spin waiting for the lock to be released")
> >
> > 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7
> > ---------------- ---------------------------
> > %stddev %change %stddev
> > \ | \
> > 2.64 ą 5% -38.8% 1.61 ą 9% iostat.cpu.user
> > 259963 ą 10% -15.4% 219891 ą 9% meminfo.Active
> > 259835 ą 10% -15.4% 219763 ą 9% meminfo.Active(anon)
> > 0.96 ą 4% -0.6 0.38 ą 15% mpstat.cpu.all.soft%
> > 2.70 ą 5% -1.1 1.65 ą 9% mpstat.cpu.all.usr%
> > 211.08 ą 9% -41.0% 124.64 ą 31% sched_debug.cfs_rq:/.load_avg.avg
> > 3860 ą 24% -34.1% 2545 ą 4% sched_debug.cpu.avg_idle.min
> > 49162966 -57.6% 20842987 ą 11% numa-numastat.node0.local_node
> > 49203248 -57.6% 20885029 ą 11% numa-numastat.node0.numa_hit
> > 39549538 -50.2% 19693291 ą 9% numa-numastat.node1.local_node
> > 39591591 -50.2% 19718716 ą 8% numa-numastat.node1.numa_hit
> > 49261289 -57.6% 20866465 ą 11% numa-vmstat.node0.numa_hit
> > 49221006 -57.7% 20824423 ą 11% numa-vmstat.node0.numa_local
> > 39661116 -50.3% 19702525 ą 9% numa-vmstat.node1.numa_hit
> > 39619062 -50.3% 19677100 ą 9% numa-vmstat.node1.numa_local
> > 12372 ą 3% -45.1% 6789 ą 12% perf-c2c.DRAM.local
> > 36077 ą 2% -45.0% 19825 ą 9% perf-c2c.DRAM.remote
> > 32989 ą 2% -30.5% 22935 ą 11% perf-c2c.HITM.local
> > 17205 ą 2% -46.6% 9182 ą 10% perf-c2c.HITM.remote
> > 50194 ą 2% -36.0% 32118 ą 10% perf-c2c.HITM.total
> > 88807242 -54.3% 40604534 ą 10% proc-vmstat.numa_hit
> > 88724762 -54.3% 40537067 ą 10% proc-vmstat.numa_local
> > 130416 ą 7% +21.3% 158188 ą 3% proc-vmstat.pgactivate
> > 92701259 -54.7% 41954988 ą 11% proc-vmstat.pgalloc_normal
> > 80544858 -54.2% 36859393 ą 10% proc-vmstat.pgfault
> > 92449287 -54.9% 41735344 ą 11% proc-vmstat.pgfree
> > 11060 -58.7% 4569 ą 22% stress-ng.getdent.nanosecs_per_getdents_call
> > 1.135e+08 -54.6% 51568726 ą 10% stress-ng.getdent.ops
> > 1891648 -54.6% 859477 ą 10% stress-ng.getdent.ops_per_sec
> > 80355832 -54.5% 36564567 ą 10% stress-ng.time.minor_page_faults
> > 3626 +2.1% 3702 stress-ng.time.system_time
> > 80.35 -54.4% 36.65 ą 10% stress-ng.time.user_time
> > 2.88 ą 2% -21.6% 2.25 ą 3% perf-stat.i.MPKI
> > 1.202e+10 ą 5% -35.3% 7.773e+09 ą 7% perf-stat.i.branch-instructions
> > 78049914 ą 4% -33.0% 52278904 ą 9% perf-stat.i.branch-misses
> > 44.35 ą 3% -4.4 39.94 ą 4% perf-stat.i.cache-miss-rate%
> > 1.629e+08 ą 5% -52.0% 78236809 ą 11% perf-stat.i.cache-misses
> > 3.527e+08 ą 5% -45.8% 1.91e+08 ą 9% perf-stat.i.cache-references
> > 3.78 ą 3% +75.9% 6.64 ą 3% perf-stat.i.cpi
> > 299.98 ą 8% -28.2% 215.47 ą 15% perf-stat.i.cpu-migrations
> > 1341 ą 2% +122.2% 2981 ą 3% perf-stat.i.cycles-between-cache-misses
> > 5.574e+10 ą 5% -39.1% 3.397e+10 ą 8% perf-stat.i.instructions
> > 0.29 ą 10% -39.7% 0.18 ą 16% perf-stat.i.ipc
> > 39.56 ą 5% -52.9% 18.63 ą 12% perf-stat.i.metric.K/sec
> > 1264058 ą 5% -53.0% 593585 ą 13% perf-stat.i.minor-faults
> > 1264058 ą 5% -53.0% 593585 ą 13% perf-stat.i.page-faults
> > 2.93 -21.4% 2.30 ą 2% perf-stat.overall.MPKI
> > 46.18 -5.3 40.88 perf-stat.overall.cache-miss-rate%
> > 3.85 +69.7% 6.53 ą 5% perf-stat.overall.cpi
> > 1313 +116.3% 2842 ą 7% perf-stat.overall.cycles-between-cache-misses
> > 0.26 -40.9% 0.15 ą 5% perf-stat.overall.ipc
> > 1.184e+10 ą 5% -35.4% 7.645e+09 ą 7% perf-stat.ps.branch-instructions
> > 76385602 ą 4% -33.2% 51045849 ą 9% perf-stat.ps.branch-misses
> > 1.606e+08 ą 5% -52.0% 77029112 ą 10% perf-stat.ps.cache-misses
> > 3.478e+08 ą 5% -45.9% 1.882e+08 ą 9% perf-stat.ps.cache-references
> > 294.68 ą 8% -28.1% 211.78 ą 15% perf-stat.ps.cpu-migrations
> > 5.487e+10 ą 5% -39.1% 3.34e+10 ą 8% perf-stat.ps.instructions
> > 1246246 ą 5% -53.1% 584418 ą 12% perf-stat.ps.minor-faults
> > 1246246 ą 5% -53.1% 584418 ą 12% perf-stat.ps.page-faults
> > 3.532e+12 -40.9% 2.088e+12 ą 5% perf-stat.total.instructions
> > 65.80 -56.9 8.86 ą 55% perf-profile.calltrace.cycles-pp.syscall
> > 64.94 -56.4 8.52 ą 56% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall
> > 64.88 -56.4 8.50 ą 56% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 32.57 -28.3 4.27 ą 57% perf-profile.calltrace.cycles-pp.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 32.08 -27.9 4.15 ą 57% perf-profile.calltrace.cycles-pp.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 31.94 -27.8 4.14 ą 57% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 31.65 -27.6 4.06 ą 57% perf-profile.calltrace.cycles-pp.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
> > 14.11 ą 5% -13.0 1.12 ą122% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 14.06 ą 5% -12.9 1.13 ą122% perf-profile.calltrace.cycles-pp.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 13.38 ą 5% -12.3 1.04 ą124% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 13.34 ą 5% -12.3 1.05 ą124% perf-profile.calltrace.cycles-pp.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 12.89 ą 5% -12.0 0.92 ą141% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents64
> > 12.84 ą 5% -11.9 0.93 ą141% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.eventfs_iterate.iterate_dir.__x64_sys_getdents
> > 6.49 ą 2% -5.9 0.57 ą117% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.48 ą 2% -5.9 0.57 ą117% perf-profile.calltrace.cycles-pp.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 6.43 ą 2% -5.9 0.56 ą117% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 6.43 ą 2% -5.9 0.56 ą117% perf-profile.calltrace.cycles-pp.proc_readdir_de.proc_tgid_net_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 4.62 ą 3% -3.8 0.82 ą 44% perf-profile.calltrace.cycles-pp.lookup_open.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 4.80 ą 2% -3.8 1.03 ą 33% perf-profile.calltrace.cycles-pp.__close
> > 4.54 ą 2% -3.6 0.93 ą 36% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
> > 4.52 ą 2% -3.6 0.92 ą 36% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 4.45 ą 2% -3.6 0.90 ą 36% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 3.47 ą 3% -3.0 0.42 ą108% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 3.78 ą 8% -2.9 0.84 ą 36% perf-profile.calltrace.cycles-pp.inode_permission.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 3.00 ą 4% -2.6 0.40 ą108% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 3.00 ą 10% -2.6 0.42 ą105% perf-profile.calltrace.cycles-pp.kernfs_iop_permission.inode_permission.link_path_walk.path_openat.do_filp_open
> > 2.65 ą 2% -2.0 0.70 ą 25% perf-profile.calltrace.cycles-pp.brk
> > 2.57 ą 2% -1.9 0.66 ą 26% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
> > 2.58 ą 2% -1.9 0.66 ą 26% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk
> > 2.54 ą 2% -1.9 0.65 ą 26% perf-profile.calltrace.cycles-pp.__do_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
> > 2.04 -1.7 0.35 ą104% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64
> > 2.04 -1.7 0.35 ą104% perf-profile.calltrace.cycles-pp.proc_fill_cache.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64
> > 2.05 ą 2% -1.6 0.44 ą 75% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
> > 2.04 ą 2% -1.6 0.43 ą 75% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
> > 2.13 -1.6 0.53 ą 52% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents64.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 2.28 ą 2% -1.6 0.68 ą 23% perf-profile.calltrace.cycles-pp.asm_exc_page_fault
> > 2.14 -1.5 0.62 ą 24% perf-profile.calltrace.cycles-pp.proc_pident_readdir.iterate_dir.__x64_sys_getdents.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 0.00 +1.8 1.78 ą 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.walk_component
> > 0.00 +1.8 1.78 ą 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.walk_component.link_path_walk
> > 0.00 +1.8 1.78 ą 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.walk_component.link_path_walk.path_openat
> > 4.32 ą 3% +2.0 6.30 ą 3% perf-profile.calltrace.cycles-pp.walk_component.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 3.04 ą 5% +3.0 6.06 ą 3% perf-profile.calltrace.cycles-pp.lookup_fast.walk_component.link_path_walk.path_openat.do_filp_open
> > 0.00 +3.2 3.20 ą 13% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next
> > 0.00 +3.2 3.23 ą 13% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast
> > 0.00 +3.7 3.69 ą 9% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk
> > 0.00 +3.7 3.69 ą 9% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy_next.lookup_fast.walk_component
> > 0.00 +3.7 3.70 ą 9% perf-profile.calltrace.cycles-pp.try_to_unlazy_next.lookup_fast.walk_component.link_path_walk.path_openat
> > 0.69 ą 4% +5.3 6.01 ą 8% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_filp_open
> > 6.20 ą 2% +9.8 16.04 ą 4% perf-profile.calltrace.cycles-pp.open_last_lookups.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 1.29 ą 3% +13.7 15.03 ą 6% perf-profile.calltrace.cycles-pp.lookup_fast.open_last_lookups.path_openat.do_filp_open.do_sys_openat2
> > 0.00 +13.8 13.76 ą 6% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast
> > 0.00 +14.3 14.31 ą 6% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups
> > 0.00 +14.3 14.32 ą 6% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.lookup_fast.open_last_lookups.path_openat
> > 0.00 +14.3 14.32 ą 6% perf-profile.calltrace.cycles-pp.try_to_unlazy.lookup_fast.open_last_lookups.path_openat.do_filp_open
> > 0.00 +18.0 18.04 ą 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk
> > 9.60 ą 4% +19.0 28.56 ą 6% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 0.28 ą100% +20.8 21.12 ą 10% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.link_path_walk.path_openat.do_filp_open
> > 0.28 ą100% +20.8 21.13 ą 10% perf-profile.calltrace.cycles-pp.try_to_unlazy.link_path_walk.path_openat.do_filp_open.do_sys_openat2
> > 0.00 +21.1 21.11 ą 10% perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.link_path_walk.path_openat
> > 0.00 +31.5 31.52 ą 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy
> > 0.00 +34.7 34.71 ą 8% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat
> > 0.00 +35.0 35.01 ą 8% perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_filp_open
> > 0.88 ą 9% +40.2 41.12 ą 8% perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
> > 0.84 ą 9% +40.3 41.10 ą 8% perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_filp_open.do_sys_openat2
> > 22.55 ą 2% +65.0 87.59 ą 6% perf-profile.calltrace.cycles-pp.open64
> > 22.25 ą 2% +65.2 87.48 ą 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
> > 22.23 ą 2% +65.2 87.47 ą 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 22.15 ą 2% +65.3 87.43 ą 6% perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 22.12 ą 2% +65.3 87.42 ą 6% perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
> > 21.24 ą 2% +65.5 86.76 ą 6% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 21.18 ą 2% +65.6 86.74 ą 6% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
> > 65.96 -57.0 8.93 ą 54% perf-profile.children.cycles-pp.syscall
> > 63.61 -55.4 8.21 ą 57% perf-profile.children.cycles-pp.iterate_dir
> > 32.58 -28.3 4.27 ą 57% perf-profile.children.cycles-pp.__x64_sys_getdents
> > 32.09 -27.9 4.15 ą 57% perf-profile.children.cycles-pp.__x64_sys_getdents64
> > 28.19 ą 5% -25.8 2.34 ą114% perf-profile.children.cycles-pp.eventfs_iterate
> > 26.72 ą 5% -24.6 2.08 ą124% perf-profile.children.cycles-pp.__mutex_lock
> > 25.74 ą 5% -23.7 2.00 ą125% perf-profile.children.cycles-pp.osq_lock
> > 20.36 ą 2% -18.0 2.37 ą 66% perf-profile.children.cycles-pp.proc_readdir_de
> > 12.96 ą 2% -11.4 1.60 ą 61% perf-profile.children.cycles-pp.proc_tgid_net_readdir
> > 10.60 ą 3% -9.6 1.02 ą 80% perf-profile.children.cycles-pp._raw_read_lock
> > 5.88 ą 6% -4.9 1.02 ą 48% perf-profile.children.cycles-pp.kernfs_fop_readdir
> > 5.85 ą 7% -4.7 1.16 ą 42% perf-profile.children.cycles-pp.down_read
> > 5.15 ą 5% -4.5 0.68 ą 67% perf-profile.children.cycles-pp.up_read
> > 5.68 -4.0 1.68 ą 24% perf-profile.children.cycles-pp.proc_fill_cache
> > 4.62 ą 3% -3.8 0.82 ą 44% perf-profile.children.cycles-pp.lookup_open
> > 4.85 ą 2% -3.8 1.05 ą 33% perf-profile.children.cycles-pp.__close
> > 4.42 ą 4% -3.7 0.68 ą 52% perf-profile.children.cycles-pp.proc_lookup_de
> > 4.32 ą 3% -3.6 0.68 ą 51% perf-profile.children.cycles-pp.proc_tgid_net_lookup
> > 4.46 ą 2% -3.6 0.90 ą 36% perf-profile.children.cycles-pp.__x64_sys_close
> > 4.43 ą 8% -3.5 0.96 ą 37% perf-profile.children.cycles-pp.inode_permission
> > 4.28 -3.0 1.23 ą 25% perf-profile.children.cycles-pp.proc_pident_readdir
> > 3.48 ą 3% -2.8 0.66 ą 39% perf-profile.children.cycles-pp.__fput
> > 3.98 ą 2% -2.8 1.18 ą 24% perf-profile.children.cycles-pp.__d_lookup
> > 3.44 ą 10% -2.7 0.70 ą 41% perf-profile.children.cycles-pp.kernfs_iop_permission
> > 3.01 ą 4% -2.4 0.60 ą 40% perf-profile.children.cycles-pp.do_open
> > 3.09 -2.1 0.95 ą 23% perf-profile.children.cycles-pp.d_hash_and_lookup
> > 2.46 ą 7% -2.1 0.33 ą 64% perf-profile.children.cycles-pp.kernfs_dop_revalidate
> > 2.66 ą 2% -2.0 0.70 ą 25% perf-profile.children.cycles-pp.brk
> > 2.55 ą 2% -1.9 0.65 ą 26% perf-profile.children.cycles-pp.__do_sys_brk
> > 2.18 ą 4% -1.8 0.40 ą 40% perf-profile.children.cycles-pp.__dentry_kill
> > 2.18 ą 6% -1.8 0.41 ą 45% perf-profile.children.cycles-pp.proc_get_inode
> > 2.47 ą 2% -1.7 0.74 ą 23% perf-profile.children.cycles-pp.asm_exc_page_fault
> > 2.12 ą 6% -1.7 0.40 ą 46% perf-profile.children.cycles-pp.new_inode
> > 1.94 ą 4% -1.6 0.37 ą 44% perf-profile.children.cycles-pp.do_dentry_open
> > 2.19 ą 2% -1.6 0.63 ą 24% perf-profile.children.cycles-pp.exc_page_fault
> > 2.18 ą 2% -1.6 0.62 ą 24% perf-profile.children.cycles-pp.do_user_addr_fault
> > 1.98 ą 2% -1.5 0.48 ą 27% perf-profile.children.cycles-pp.do_vmi_align_munmap
> > 1.49 ą 6% -1.3 0.21 ą 58% perf-profile.children.cycles-pp.evict
> > 1.76 ą 2% -1.2 0.52 ą 24% perf-profile.children.cycles-pp.handle_mm_fault
> > 1.56 ą 3% -1.2 0.35 ą 31% perf-profile.children.cycles-pp.unmap_region
> > 1.63 ą 2% -1.2 0.47 ą 24% perf-profile.children.cycles-pp.__handle_mm_fault
> > 1.50 ą 2% -1.1 0.42 ą 25% perf-profile.children.cycles-pp.do_anonymous_page
> > 1.16 ą 7% -1.0 0.20 ą 53% perf-profile.children.cycles-pp.security_file_open
> > 1.16 ą 7% -1.0 0.20 ą 57% perf-profile.children.cycles-pp.apparmor_file_open
> > 1.21 ą 3% -1.0 0.25 ą 35% perf-profile.children.cycles-pp.__lookup_slow
> > 1.26 ą 3% -0.9 0.35 ą 28% perf-profile.children.cycles-pp.alloc_empty_file
> > 1.20 -0.8 0.42 ą 20% perf-profile.children.cycles-pp.handle_softirqs
> > 1.20 -0.8 0.41 ą 21% perf-profile.children.cycles-pp.rcu_core
> > 1.19 -0.8 0.41 ą 21% perf-profile.children.cycles-pp.rcu_do_batch
> > 0.85 ą 2% -0.8 0.07 ą112% perf-profile.children.cycles-pp.mutex_unlock
> > 0.86 ą 2% -0.7 0.12 ą 55% perf-profile.children.cycles-pp.mutex_lock
> > 0.96 ą 5% -0.7 0.23 ą 34% perf-profile.children.cycles-pp.init_file
> > 1.07 -0.7 0.36 ą 20% perf-profile.children.cycles-pp.kmem_cache_free
> > 0.90 ą 3% -0.6 0.28 ą 24% perf-profile.children.cycles-pp.step_into
> > 0.83 ą 6% -0.6 0.21 ą 34% perf-profile.children.cycles-pp.security_file_alloc
> > 0.75 ą 6% -0.6 0.17 ą 38% perf-profile.children.cycles-pp.apparmor_file_alloc_security
> > 0.85 ą 2% -0.6 0.28 ą 21% perf-profile.children.cycles-pp.proc_map_files_readdir
> > 1.12 ą 2% -0.6 0.55 ą 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
> > 1.10 ą 2% -0.6 0.54 ą 10% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
> > 0.68 ą 2% -0.6 0.12 ą 51% perf-profile.children.cycles-pp.pde_put
> > 0.83 ą 3% -0.6 0.27 ą 20% perf-profile.children.cycles-pp.irq_exit_rcu
> > 0.70 ą 7% -0.6 0.14 ą 41% perf-profile.children.cycles-pp.may_open
> > 0.79 ą 3% -0.5 0.26 ą 20% perf-profile.children.cycles-pp.alloc_anon_folio
> > 0.72 ą 2% -0.5 0.21 ą 26% perf-profile.children.cycles-pp.proc_ns_dir_readdir
> > 0.71 ą 2% -0.5 0.21 ą 21% perf-profile.children.cycles-pp.proc_readfd_common
> > 0.65 ą 2% -0.5 0.15 ą 32% perf-profile.children.cycles-pp.tlb_finish_mmu
> > 0.62 ą 3% -0.5 0.13 ą 35% perf-profile.children.cycles-pp.folios_put_refs
> > 0.65 ą 9% -0.5 0.16 ą 33% perf-profile.children.cycles-pp.security_file_permission
> > 0.63 ą 9% -0.5 0.15 ą 33% perf-profile.children.cycles-pp.apparmor_file_permission
> > 0.60 -0.5 0.12 ą 36% perf-profile.children.cycles-pp.__fdget_pos
> > 0.58 ą 2% -0.5 0.13 ą 33% perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages
> > 0.58 ą 3% -0.5 0.13 ą 34% perf-profile.children.cycles-pp.free_pages_and_swap_cache
> > 0.72 -0.4 0.28 ą 16% perf-profile.children.cycles-pp.filldir
> > 0.52 ą 2% -0.4 0.08 ą 49% perf-profile.children.cycles-pp.d_splice_alias
> > 0.70 ą 2% -0.4 0.27 ą 16% perf-profile.children.cycles-pp.filldir64
> > 0.71 ą 2% -0.4 0.29 ą 15% perf-profile.children.cycles-pp.clear_bhb_loop
> > 0.57 ą 5% -0.4 0.15 ą 31% perf-profile.children.cycles-pp.security_file_free
> > 0.59 -0.4 0.17 ą 26% perf-profile.children.cycles-pp.__slab_free
> > 0.56 ą 5% -0.4 0.15 ą 31% perf-profile.children.cycles-pp.apparmor_file_free_security
> > 0.68 -0.4 0.27 ą 16% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
> > 0.66 ą 2% -0.4 0.25 ą 20% perf-profile.children.cycles-pp.alloc_inode
> > 0.48 ą 2% -0.4 0.09 ą 36% perf-profile.children.cycles-pp.folio_batch_move_lru
> > 0.48 -0.4 0.10 ą 38% perf-profile.children.cycles-pp.down_read_killable
> > 0.47 ą 3% -0.4 0.09 ą 40% perf-profile.children.cycles-pp.fsnotify_grab_connector
> > 0.46 ą 3% -0.4 0.08 ą 35% perf-profile.children.cycles-pp.lru_add_drain
> > 0.46 ą 3% -0.4 0.08 ą 35% perf-profile.children.cycles-pp.lru_add_drain_cpu
> > 0.48 ą 3% -0.4 0.12 ą 27% perf-profile.children.cycles-pp.filp_flush
> > 0.44 ą 2% -0.4 0.08 ą 46% perf-profile.children.cycles-pp.kernfs_dir_pos
> > 0.50 ą 2% -0.3 0.16 ą 20% perf-profile.children.cycles-pp.vma_alloc_folio_noprof
> > 0.49 ą 3% -0.3 0.16 ą 22% perf-profile.children.cycles-pp.alloc_pages_mpol_noprof
> > 0.58 -0.3 0.25 ą 15% perf-profile.children.cycles-pp.d_alloc_parallel
> > 0.41 ą 3% -0.3 0.09 ą 32% perf-profile.children.cycles-pp.dnotify_flush
> > 0.46 ą 3% -0.3 0.15 ą 20% perf-profile.children.cycles-pp.__alloc_pages_noprof
> > 0.48 ą 3% -0.3 0.16 ą 23% perf-profile.children.cycles-pp.kmem_cache_alloc_lru_noprof
> > 0.39 ą 3% -0.3 0.08 ą 36% perf-profile.children.cycles-pp.fsnotify_find_mark
> > 0.39 ą 2% -0.3 0.10 ą 25% perf-profile.children.cycles-pp.unmap_vmas
> > 0.38 ą 2% -0.3 0.10 ą 25% perf-profile.children.cycles-pp.unmap_page_range
> > 0.38 ą 2% -0.3 0.10 ą 25% perf-profile.children.cycles-pp.zap_pmd_range
> > 0.40 ą 3% -0.3 0.12 ą 20% perf-profile.children.cycles-pp.do_brk_flags
> > 0.37 ą 2% -0.3 0.10 ą 27% perf-profile.children.cycles-pp.zap_pte_range
> > 0.38 ą 2% -0.3 0.12 ą 22% perf-profile.children.cycles-pp.get_page_from_freelist
> > 0.43 -0.3 0.17 ą 15% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.41 ą 6% -0.2 0.16 ą 25% perf-profile.children.cycles-pp.kthread
> > 0.41 ą 6% -0.2 0.16 ą 25% perf-profile.children.cycles-pp.ret_from_fork
> > 0.41 ą 6% -0.2 0.16 ą 25% perf-profile.children.cycles-pp.ret_from_fork_asm
> > 0.38 ą 7% -0.2 0.14 ą 27% perf-profile.children.cycles-pp.run_ksoftirqd
> > 0.42 ą 2% -0.2 0.19 ą 15% perf-profile.children.cycles-pp.d_alloc
> > 0.38 ą 7% -0.2 0.15 ą 27% perf-profile.children.cycles-pp.smpboot_thread_fn
> > 0.30 ą 2% -0.2 0.07 ą 26% perf-profile.children.cycles-pp.zap_present_ptes
> > 0.38 ą 2% -0.2 0.15 ą 15% perf-profile.children.cycles-pp.__cond_resched
> > 0.30 ą 3% -0.2 0.08 ą 31% perf-profile.children.cycles-pp.inode_wait_for_writeback
> > 0.37 ą 2% -0.2 0.14 ą 16% perf-profile.children.cycles-pp.entry_SYSCALL_64
> > 0.28 ą 2% -0.2 0.06 ą 27% perf-profile.children.cycles-pp.__call_rcu_common
> > 0.30 ą 5% -0.2 0.10 ą 26% perf-profile.children.cycles-pp.proc_alloc_inode
> > 0.35 ą 4% -0.2 0.15 ą 22% perf-profile.children.cycles-pp.inode_init_always
> > 0.26 ą 8% -0.2 0.05 ą 76% perf-profile.children.cycles-pp.___slab_alloc
> > 0.28 ą 2% -0.2 0.09 ą 21% perf-profile.children.cycles-pp.__d_lookup_rcu
> > 0.27 -0.2 0.08 ą 20% perf-profile.children.cycles-pp.__split_vma
> > 0.24 ą 2% -0.2 0.06 ą 27% perf-profile.children.cycles-pp.lockref_get
> > 0.31 ą 3% -0.2 0.13 ą 15% perf-profile.children.cycles-pp.getname_flags
> > 0.23 ą 7% -0.2 0.06 ą 54% perf-profile.children.cycles-pp.security_file_post_open
> > 0.26 ą 4% -0.2 0.09 ą 20% perf-profile.children.cycles-pp.__mem_cgroup_charge
> > 0.37 ą 2% -0.2 0.20 ą 15% perf-profile.children.cycles-pp.rb_next
> > 0.22 ą 7% -0.2 0.05 ą 51% perf-profile.children.cycles-pp.ima_file_check
> > 0.28 ą 2% -0.2 0.12 ą 14% perf-profile.children.cycles-pp.__memcg_slab_free_hook
> > 0.26 ą 3% -0.2 0.10 ą 15% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.22 ą 3% -0.1 0.07 ą 26% perf-profile.children.cycles-pp.pid_delete_dentry
> > 0.18 ą 2% -0.1 0.04 ą 75% perf-profile.children.cycles-pp.proc_free_inode
> > 0.18 ą 2% -0.1 0.04 ą 72% perf-profile.children.cycles-pp.task_lookup_next_fdget_rcu
> > 0.22 ą 3% -0.1 0.09 ą 15% perf-profile.children.cycles-pp.sync_regs
> > 0.17 ą 2% -0.1 0.04 ą 73% perf-profile.children.cycles-pp.path_init
> > 0.21 ą 2% -0.1 0.08 ą 19% perf-profile.children.cycles-pp.__d_alloc
> > 0.22 ą 5% -0.1 0.09 ą 15% perf-profile.children.cycles-pp.strncpy_from_user
> > 0.20 ą 3% -0.1 0.08 ą 17% perf-profile.children.cycles-pp.verify_dirent_name
> > 0.20 ą 2% -0.1 0.09 ą 15% perf-profile.children.cycles-pp.native_irq_return_iret
> > 0.19 ą 3% -0.1 0.08 ą 14% perf-profile.children.cycles-pp.mod_objcg_state
> > 0.19 ą 5% -0.1 0.08 ą 17% perf-profile.children.cycles-pp.pid_revalidate
> > 0.18 ą 4% -0.1 0.07 ą 14% perf-profile.children.cycles-pp.stress_getdents_dir
> > 0.18 ą 2% -0.1 0.07 ą 16% perf-profile.children.cycles-pp.stress_getdents64_dir
> > 0.17 ą 4% -0.1 0.06 ą 19% perf-profile.children.cycles-pp.mas_wr_store_entry
> > 0.15 ą 3% -0.1 0.05 ą 47% perf-profile.children.cycles-pp.perf_event_mmap
> > 0.17 ą 2% -0.1 0.07 ą 17% perf-profile.children.cycles-pp.strlcat
> > 0.18 ą 4% -0.1 0.07 ą 24% perf-profile.children.cycles-pp.security_inode_alloc
> > 0.16 ą 3% -0.1 0.06 ą 11% perf-profile.children.cycles-pp.snprintf
> > 0.14 ą 3% -0.1 0.05 ą 47% perf-profile.children.cycles-pp.perf_event_mmap_event
> > 0.16 ą 3% -0.1 0.06 ą 19% perf-profile.children.cycles-pp.rcu_all_qs
> > 0.16 ą 3% -0.1 0.06 ą 11% perf-profile.children.cycles-pp.vsnprintf
> > 0.17 ą 2% -0.1 0.08 ą 16% perf-profile.children.cycles-pp.rcu_cblist_dequeue
> > 0.15 ą 3% -0.1 0.06 ą 20% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
> > 0.16 ą 3% -0.1 0.07 ą 14% perf-profile.children.cycles-pp.memchr
> > 0.15 ą 4% -0.1 0.06 ą 15% perf-profile.children.cycles-pp.__lruvec_stat_mod_folio
> > 0.15 ą 3% -0.1 0.06 ą 14% perf-profile.children.cycles-pp.clear_page_erms
> > 0.14 ą 3% -0.1 0.05 ą 47% perf-profile.children.cycles-pp.__perf_sw_event
> > 0.14 ą 3% -0.1 0.06 ą 19% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state
> > 0.16 ą 5% -0.1 0.08 ą 13% perf-profile.children.cycles-pp.generic_permission
> > 0.12 ą 4% -0.1 0.05 ą 8% perf-profile.children.cycles-pp.__check_object_size
> > 0.00 +0.1 0.06 ą 8% perf-profile.children.cycles-pp.__do_sys_newfstatat
> > 0.00 +0.1 0.06 ą 8% perf-profile.children.cycles-pp.filename_lookup
> > 0.00 +0.1 0.06 ą 8% perf-profile.children.cycles-pp.path_lookupat
> > 0.00 +0.1 0.06 ą 8% perf-profile.children.cycles-pp.vfs_fstatat
> > 0.00 +0.1 0.06 ą 8% perf-profile.children.cycles-pp.vfs_statx
> > 0.18 ą 3% +0.2 0.42 ą 5% perf-profile.children.cycles-pp.putname
> > 4.34 ą 2% +2.1 6.47 ą 3% perf-profile.children.cycles-pp.walk_component
> > 94.42 +3.6 98.01 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 94.33 +3.6 97.98 perf-profile.children.cycles-pp.do_syscall_64
> > 0.09 ą 11% +4.1 4.16 ą 9% perf-profile.children.cycles-pp.try_to_unlazy_next
> > 2.07 ą 2% +4.2 6.25 ą 7% perf-profile.children.cycles-pp.lockref_put_return
> > 6.21 ą 2% +9.8 16.05 ą 4% perf-profile.children.cycles-pp.open_last_lookups
> > 4.35 ą 4% +16.9 21.22 ą 5% perf-profile.children.cycles-pp.lookup_fast
> > 9.63 ą 4% +19.1 28.76 ą 6% perf-profile.children.cycles-pp.link_path_walk
> > 1.03 ą 8% +36.3 37.38 ą 8% perf-profile.children.cycles-pp.try_to_unlazy
> > 5.34 ą 2% +36.7 42.07 ą 7% perf-profile.children.cycles-pp.dput
> > 0.89 ą 9% +40.4 41.25 ą 8% perf-profile.children.cycles-pp.terminate_walk
> > 1.06 ą 9% +40.5 41.52 ą 8% perf-profile.children.cycles-pp.__legitimize_path
> > 0.83 ą 12% +40.7 41.48 ą 8% perf-profile.children.cycles-pp.lockref_get_not_dead
> > 7.22 ą 2% +64.5 71.72 ą 8% perf-profile.children.cycles-pp._raw_spin_lock
> > 22.60 ą 2% +65.0 87.62 ą 6% perf-profile.children.cycles-pp.open64
> > 22.17 ą 2% +65.5 87.72 ą 6% perf-profile.children.cycles-pp.__x64_sys_openat
> > 22.15 ą 2% +65.6 87.71 ą 6% perf-profile.children.cycles-pp.do_sys_openat2
> > 21.26 ą 2% +65.8 87.05 ą 6% perf-profile.children.cycles-pp.do_filp_open
> > 21.20 ą 2% +65.8 87.03 ą 6% perf-profile.children.cycles-pp.path_openat
> > 2.92 ą 5% +67.4 70.29 ą 8% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
> > 25.58 ą 5% -23.6 1.99 ą125% perf-profile.self.cycles-pp.osq_lock
> > 10.46 ą 3% -9.5 1.00 ą 80% perf-profile.self.cycles-pp._raw_read_lock
> > 9.26 ą 2% -8.2 1.03 ą 68% perf-profile.self.cycles-pp.proc_readdir_de
> > 5.77 ą 7% -4.6 1.13 ą 43% perf-profile.self.cycles-pp.down_read
> > 5.11 ą 6% -4.4 0.67 ą 68% perf-profile.self.cycles-pp.up_read
> > 4.42 -3.0 1.43 ą 18% perf-profile.self.cycles-pp._raw_spin_lock
> > 2.05 ą 2% -1.3 0.78 ą 20% perf-profile.self.cycles-pp.__d_lookup
> > 1.11 ą 2% -1.0 0.12 ą 65% perf-profile.self.cycles-pp.proc_lookup_de
> > 1.14 ą 7% -0.9 0.19 ą 56% perf-profile.self.cycles-pp.apparmor_file_open
> > 0.84 ą 2% -0.8 0.07 ą115% perf-profile.self.cycles-pp.mutex_unlock
> > 0.80 ą 2% -0.7 0.10 ą 60% perf-profile.self.cycles-pp.mutex_lock
> > 0.73 ą 6% -0.6 0.17 ą 38% perf-profile.self.cycles-pp.apparmor_file_alloc_security
> > 0.66 ą 2% -0.5 0.12 ą 48% perf-profile.self.cycles-pp.pde_put
> > 0.76 ą 5% -0.5 0.31 ą 19% perf-profile.self.cycles-pp.proc_fill_cache
> > 0.59 ą 10% -0.4 0.14 ą 35% perf-profile.self.cycles-pp.apparmor_file_permission
> > 0.70 ą 2% -0.4 0.29 ą 15% perf-profile.self.cycles-pp.clear_bhb_loop
> > 0.58 -0.4 0.17 ą 25% perf-profile.self.cycles-pp.__slab_free
> > 0.55 ą 5% -0.4 0.15 ą 31% perf-profile.self.cycles-pp.apparmor_file_free_security
> > 0.47 -0.4 0.08 ą 38% perf-profile.self.cycles-pp.do_dentry_open
> > 0.45 -0.4 0.08 ą 41% perf-profile.self.cycles-pp.down_read_killable
> > 0.39 ą 2% -0.3 0.06 ą 60% perf-profile.self.cycles-pp.__fput
> > 0.53 -0.3 0.21 ą 16% perf-profile.self.cycles-pp.filldir
> > 0.52 ą 2% -0.3 0.21 ą 16% perf-profile.self.cycles-pp.filldir64
> > 0.38 ą 4% -0.3 0.12 ą 22% perf-profile.self.cycles-pp.kernfs_fop_readdir
> > 0.37 ą 3% -0.2 0.14 ą 17% perf-profile.self.cycles-pp.inode_permission
> > 0.27 ą 2% -0.2 0.09 ą 20% perf-profile.self.cycles-pp.__d_lookup_rcu
> > 0.29 ą 2% -0.2 0.12 ą 16% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
> > 0.35 ą 3% -0.2 0.20 ą 15% perf-profile.self.cycles-pp.rb_next
> > 0.25 ą 2% -0.2 0.10 ą 16% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
> > 0.21 ą 3% -0.1 0.07 ą 24% perf-profile.self.cycles-pp.pid_delete_dentry
> > 0.22 ą 2% -0.1 0.08 ą 16% perf-profile.self.cycles-pp.syscall
> > 0.22 ą 3% -0.1 0.09 ą 15% perf-profile.self.cycles-pp.sync_regs
> > 0.21 ą 3% -0.1 0.08 ą 17% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
> > 0.20 -0.1 0.08 ą 14% perf-profile.self.cycles-pp.__cond_resched
> > 0.20 ą 2% -0.1 0.09 ą 15% perf-profile.self.cycles-pp.native_irq_return_iret
> > 0.19 ą 3% -0.1 0.08 ą 16% perf-profile.self.cycles-pp.link_path_walk
> > 0.17 ą 2% -0.1 0.07 ą 17% perf-profile.self.cycles-pp.__fdget_pos
> > 0.14 ą 4% -0.1 0.04 ą 72% perf-profile.self.cycles-pp.do_syscall_64
> > 0.17 ą 5% -0.1 0.07 ą 16% perf-profile.self.cycles-pp.kmem_cache_free
> > 0.13 ą 5% -0.1 0.03 ą100% perf-profile.self.cycles-pp.step_into
> > 0.16 ą 4% -0.1 0.06 ą 14% perf-profile.self.cycles-pp.stress_getdents_dir
> > 0.16 ą 2% -0.1 0.06 ą 11% perf-profile.self.cycles-pp.strlcat
> > 0.16 ą 2% -0.1 0.06 ą 14% perf-profile.self.cycles-pp.stress_getdents64_dir
> > 0.16 ą 3% -0.1 0.06 ą 14% perf-profile.self.cycles-pp.mod_objcg_state
> > 0.17 ą 4% -0.1 0.08 ą 16% perf-profile.self.cycles-pp.rcu_cblist_dequeue
> > 0.12 ą 4% -0.1 0.03 ą100% perf-profile.self.cycles-pp.rcu_all_qs
> > 0.15 ą 3% -0.1 0.06 ą 19% perf-profile.self.cycles-pp.memchr
> > 0.12 ą 4% -0.1 0.03 ą102% perf-profile.self.cycles-pp.inode_init_always
> > 0.14 ą 3% -0.1 0.06 ą 17% perf-profile.self.cycles-pp.clear_page_erms
> > 0.09 ą 7% -0.1 0.02 ą 99% perf-profile.self.cycles-pp.pid_revalidate
> > 0.13 ą 5% -0.1 0.06 ą 14% perf-profile.self.cycles-pp.generic_permission
> > 0.11 ą 3% +0.0 0.12 ą 3% perf-profile.self.cycles-pp.dput
> > 0.18 ą 2% +0.2 0.42 ą 5% perf-profile.self.cycles-pp.putname
> > 2.04 ą 2% +4.2 6.21 ą 7% perf-profile.self.cycles-pp.lockref_put_return
> > 0.66 ą 4% +5.4 6.01 ą 8% perf-profile.self.cycles-pp.lockref_get_not_dead
> > 2.81 ą 5% +67.1 69.92 ą 8% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
> >
> >
> >
> > ***************************************************************************************************
> > lkp-icl-2sp8: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> > =========================================================================================
> > compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
> > gcc-13/performance/1HDD/btrfs/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp8/handle/stress-ng/60s
> >
> > commit:
> > 267574dee6 ("bcachefs: remove now spurious i_state initialization")
> > d042dae6ad ("lockref: speculatively spin waiting for the lock to be released")
> >
> > 267574dee6ae0da6 d042dae6ad74df8a00ee8a3c6b7
> > ---------------- ---------------------------
> > %stddev %change %stddev
> > \ | \
> > 1.08 ą 4% -10.1% 0.97 ą 2% iostat.cpu.user
> > 1.10 ą 4% -0.1 0.99 ą 2% mpstat.cpu.all.usr%
> > 286411 ą 7% -12.1% 251734 ą 4% numa-numastat.node1.local_node
> > 285093 ą 6% -12.0% 250827 ą 4% numa-vmstat.node1.numa_local
> > 2980 ą 7% -19.8% 2391 ą 4% vmstat.system.cs
> > 162616 -2.6% 158340 vmstat.system.in
> > 84179 -3.0% 81690 proc-vmstat.nr_shmem
> > 486339 -1.7% 478110 proc-vmstat.numa_hit
> > 420032 -2.0% 411796 proc-vmstat.numa_local
> > 10880229 ą 2% -60.2% 4332475 ą 13% stress-ng.handle.ops
> > 181335 ą 2% -60.2% 72206 ą 13% stress-ng.handle.ops_per_sec
> > 75993 ą 9% -28.7% 54148 ą 9% stress-ng.time.involuntary_context_switches
> > 455.17 ą 9% +61.9% 737.00 ą 10% perf-c2c.DRAM.local
> > 31509 ą 2% -36.9% 19892 ą 2% perf-c2c.DRAM.remote
> > 39333 ą 2% -24.9% 29523 ą 2% perf-c2c.HITM.local
> > 25890 ą 2% -45.5% 14112 ą 3% perf-c2c.HITM.remote
> > 65223 ą 2% -33.1% 43635 ą 2% perf-c2c.HITM.total
> > 5043 ą 31% -57.9% 2123 ą 25% sched_debug.cfs_rq:/.load_avg.max
> > 1423 ą 38% -51.9% 683.87 ą 30% sched_debug.cfs_rq:/.load_avg.stddev
> > 45.04 ą 17% -47.5% 23.63 ą 41% sched_debug.cfs_rq:/.removed.load_avg.avg
> > 141.61 ą 8% -28.5% 101.19 ą 22% sched_debug.cfs_rq:/.removed.load_avg.stddev
> > 1399 ą 8% -15.2% 1186 ą 4% sched_debug.cfs_rq:/.runnable_avg.max
> > 1269 ą 4% -12.2% 1114 ą 4% sched_debug.cfs_rq:/.util_avg.max
> > 1.30 -23.4% 1.00 ą 2% perf-stat.i.MPKI
> > 5.757e+09 -17.7% 4.736e+09 perf-stat.i.branch-instructions
> > 0.65 ą 3% +0.1 0.70 perf-stat.i.branch-miss-rate%
> > 38695005 ą 3% -7.7% 35708627 perf-stat.i.branch-misses
> > 38.60 -9.7 28.94 perf-stat.i.cache-miss-rate%
> > 31607382 -38.6% 19404517 perf-stat.i.cache-misses
> > 82723252 -17.5% 68236401 perf-stat.i.cache-references
> > 2935 ą 7% -20.5% 2332 ą 5% perf-stat.i.context-switches
> > 9.32 +25.5% 11.70 perf-stat.i.cpi
> > 7126 +64.0% 11684 perf-stat.i.cycles-between-cache-misses
> > 2.442e+10 -19.3% 1.97e+10 perf-stat.i.instructions
> > 0.12 -19.0% 0.10 ą 2% perf-stat.i.ipc
> > 1.30 -23.8% 0.99 ą 2% perf-stat.overall.MPKI
> > 0.66 ą 3% +0.1 0.74 perf-stat.overall.branch-miss-rate%
> > 38.06 -9.8 28.29 perf-stat.overall.cache-miss-rate%
> > 9.27 +24.2% 11.51 perf-stat.overall.cpi
> > 7157 +63.0% 11670 perf-stat.overall.cycles-between-cache-misses
> > 0.11 -19.4% 0.09 perf-stat.overall.ipc
> > 5.645e+09 -17.7% 4.643e+09 perf-stat.ps.branch-instructions
> > 37338101 ą 3% -7.7% 34453073 perf-stat.ps.branch-misses
> > 31016005 -38.6% 19050425 perf-stat.ps.cache-misses
> > 81505741 -17.4% 67356950 perf-stat.ps.cache-references
> > 2878 ą 8% -20.9% 2275 ą 5% perf-stat.ps.context-switches
> > 2.394e+10 -19.3% 1.931e+10 perf-stat.ps.instructions
> > 1.469e+12 -19.6% 1.182e+12 perf-stat.total.instructions
> > 70.47 -11.9 58.54 perf-profile.calltrace.cycles-pp.handle_to_path.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 67.22 -11.7 55.47 perf-profile.calltrace.cycles-pp._raw_spin_lock.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw
> > 70.16 -11.7 58.44 perf-profile.calltrace.cycles-pp.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path.do_handle_open.do_syscall_64
> > 70.16 -11.7 58.44 perf-profile.calltrace.cycles-pp.exportfs_decode_fh.handle_to_path.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 68.66 -11.7 56.94 perf-profile.calltrace.cycles-pp.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path
> > 70.15 -11.7 58.44 perf-profile.calltrace.cycles-pp.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh.handle_to_path.do_handle_open
> > 67.16 -11.7 55.44 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.ilookup5_nowait.ilookup5.shmem_fh_to_dentry
> > 68.64 -11.7 56.94 perf-profile.calltrace.cycles-pp.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw.exportfs_decode_fh
> > 76.88 -8.8 68.10 perf-profile.calltrace.cycles-pp.open_by_handle_at
> > 76.73 -8.8 67.98 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 76.69 -8.7 67.96 perf-profile.calltrace.cycles-pp.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 76.79 -8.7 68.07 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 9.29 -0.1 9.17 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get_not_dead.__legitimize_path.try_to_unlazy
> > 1.42 +0.0 1.46 perf-profile.calltrace.cycles-pp.find_inode.ilookup5_nowait.ilookup5.shmem_fh_to_dentry.exportfs_decode_fh_raw
> > 1.39 +0.1 1.45 perf-profile.calltrace.cycles-pp._raw_spin_lock.find_inode.ilookup5_nowait.ilookup5.shmem_fh_to_dentry
> > 1.40 +0.1 1.46 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.lockref_get.do_dentry_open.do_open
> > 1.44 +0.1 1.52 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.__fput.__x64_sys_close
> > 1.45 +0.1 1.53 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.path_put.do_handle_open
> > 1.36 +0.1 1.44 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.find_inode.ilookup5_nowait.ilookup5
> > 1.42 +0.1 1.50 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.dput.terminate_walk.path_openat
> > 1.41 +0.1 1.50 perf-profile.calltrace.cycles-pp._raw_spin_lock.lockref_get.do_dentry_open.do_open.path_openat
> > 1.46 +0.1 1.56 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.__fput.__x64_sys_close.do_syscall_64
> > 1.46 +0.1 1.57 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.path_put.do_handle_open.do_syscall_64
> > 1.43 +0.1 1.55 perf-profile.calltrace.cycles-pp._raw_spin_lock.dput.terminate_walk.path_openat.do_file_open_root
> > 1.47 +0.7 2.19 perf-profile.calltrace.cycles-pp.path_init.path_openat.do_file_open_root.file_open_root.do_handle_open
> > 1.86 +0.7 2.59 perf-profile.calltrace.cycles-pp.__close
> > 1.79 +0.7 2.52 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 1.45 +0.7 2.18 perf-profile.calltrace.cycles-pp.lockref_get.path_init.path_openat.do_file_open_root.file_open_root
> > 1.78 +0.7 2.52 perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 1.82 +0.8 2.57 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
> > 0.00 +0.8 0.77 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.path_put.do_handle_open.do_syscall_64
> > 0.00 +0.8 0.78 perf-profile.calltrace.cycles-pp.lockref_put_return.dput.terminate_walk.path_openat.do_file_open_root
> > 1.64 +0.8 2.42 perf-profile.calltrace.cycles-pp.do_open.path_openat.do_file_open_root.file_open_root.do_handle_open
> > 1.67 +0.8 2.48 perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
> > 0.00 +0.8 0.81 ą 2% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.__fput.__x64_sys_close.do_syscall_64
> > 1.58 +0.8 2.38 perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_file_open_root.file_open_root
> > 1.44 +0.8 2.28 perf-profile.calltrace.cycles-pp.lockref_get.do_dentry_open.do_open.path_openat.do_file_open_root
> > 1.48 +0.9 2.35 perf-profile.calltrace.cycles-pp.dput.path_put.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 1.48 +0.9 2.35 perf-profile.calltrace.cycles-pp.path_put.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 1.47 +0.9 2.34 perf-profile.calltrace.cycles-pp.dput.terminate_walk.path_openat.do_file_open_root.file_open_root
> > 1.47 +0.9 2.34 perf-profile.calltrace.cycles-pp.terminate_walk.path_openat.do_file_open_root.file_open_root.do_handle_open
> > 1.50 +0.9 2.38 perf-profile.calltrace.cycles-pp.dput.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 4.73 +2.3 7.06 perf-profile.calltrace.cycles-pp.do_file_open_root.file_open_root.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 4.73 +2.3 7.06 perf-profile.calltrace.cycles-pp.file_open_root.do_handle_open.do_syscall_64.entry_SYSCALL_64_after_hwframe.open_by_handle_at
> > 4.67 +2.3 7.00 perf-profile.calltrace.cycles-pp.path_openat.do_file_open_root.file_open_root.do_handle_open.do_syscall_64
> > 10.36 +4.2 14.50 perf-profile.calltrace.cycles-pp.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at
> > 9.93 +4.2 14.14 perf-profile.calltrace.cycles-pp.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 9.90 +4.2 14.12 perf-profile.calltrace.cycles-pp.path_lookupat.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at.do_syscall_64
> > 9.63 +4.4 14.03 perf-profile.calltrace.cycles-pp.complete_walk.path_lookupat.filename_lookup.user_path_at_empty.__x64_sys_name_to_handle_at
> > 9.63 +4.4 14.02 perf-profile.calltrace.cycles-pp.try_to_unlazy.complete_walk.path_lookupat.filename_lookup.user_path_at_empty
> > 9.62 +4.4 14.02 perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.complete_walk.path_lookupat.filename_lookup
> > 9.59 +4.4 14.01 perf-profile.calltrace.cycles-pp.lockref_get_not_dead.__legitimize_path.try_to_unlazy.complete_walk.path_lookupat
> > 9.69 +4.4 14.14 perf-profile.calltrace.cycles-pp.path_put.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at
> > 9.69 +4.4 14.14 perf-profile.calltrace.cycles-pp.dput.path_put.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe
> > 0.00 +4.6 4.55 ą 2% perf-profile.calltrace.cycles-pp.lockref_put_return.dput.path_put.__x64_sys_name_to_handle_at.do_syscall_64
> > 20.70 +8.4 29.07 perf-profile.calltrace.cycles-pp.name_to_handle_at
> > 20.45 +8.4 28.90 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at
> > 20.42 +8.5 28.88 perf-profile.calltrace.cycles-pp.__x64_sys_name_to_handle_at.do_syscall_64.entry_SYSCALL_64_after_hwframe.name_to_handle_at
> > 20.52 +8.5 28.99 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.name_to_handle_at
> > 70.47 -11.9 58.54 perf-profile.children.cycles-pp.handle_to_path
> > 70.16 -11.7 58.44 perf-profile.children.cycles-pp.exportfs_decode_fh_raw
> > 70.16 -11.7 58.44 perf-profile.children.cycles-pp.exportfs_decode_fh
> > 68.66 -11.7 56.94 perf-profile.children.cycles-pp.ilookup5
> > 70.15 -11.7 58.44 perf-profile.children.cycles-pp.shmem_fh_to_dentry
> > 68.65 -11.7 56.94 perf-profile.children.cycles-pp.ilookup5_nowait
> > 95.73 -11.6 84.14 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
> > 96.10 -11.2 84.88 perf-profile.children.cycles-pp._raw_spin_lock
> > 76.90 -8.8 68.11 perf-profile.children.cycles-pp.open_by_handle_at
> > 76.69 -8.7 67.96 perf-profile.children.cycles-pp.do_handle_open
> > 0.42 ą 2% -0.3 0.14 ą 10% perf-profile.children.cycles-pp.open64
> > 0.38 ą 2% -0.3 0.11 ą 8% perf-profile.children.cycles-pp.__x64_sys_openat
> > 0.38 ą 3% -0.3 0.11 ą 8% perf-profile.children.cycles-pp.do_sys_openat2
> > 0.33 ą 3% -0.2 0.09 ą 13% perf-profile.children.cycles-pp.do_filp_open
> > 0.20 ą 3% -0.1 0.07 ą 8% perf-profile.children.cycles-pp.getname_flags
> > 0.35 ą 4% -0.1 0.23 ą 11% perf-profile.children.cycles-pp.do_sys_name_to_handle
> > 0.14 ą 3% -0.1 0.03 ą 70% perf-profile.children.cycles-pp.alloc_empty_file
> > 0.16 ą 3% -0.1 0.06 ą 9% perf-profile.children.cycles-pp.clear_bhb_loop
> > 0.14 ą 3% -0.1 0.05 perf-profile.children.cycles-pp.__check_object_size
> > 0.12 ą 4% -0.1 0.03 ą 70% perf-profile.children.cycles-pp.strncpy_from_user
> > 0.14 ą 2% -0.1 0.05 ą 7% perf-profile.children.cycles-pp.link_path_walk
> > 1.43 +0.0 1.46 perf-profile.children.cycles-pp.find_inode
> > 0.28 ą 2% +0.1 0.35 perf-profile.children.cycles-pp.putname
> > 99.41 +0.1 99.56 perf-profile.children.cycles-pp.do_syscall_64
> > 99.57 +0.2 99.81 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 1.86 +0.6 2.50 perf-profile.children.cycles-pp.do_open
> > 1.57 +0.7 2.22 perf-profile.children.cycles-pp.path_init
> > 1.70 +0.7 2.41 perf-profile.children.cycles-pp.do_dentry_open
> > 1.87 +0.7 2.59 perf-profile.children.cycles-pp.__close
> > 1.78 +0.7 2.52 perf-profile.children.cycles-pp.__x64_sys_close
> > 1.67 +0.8 2.48 perf-profile.children.cycles-pp.__fput
> > 1.51 +0.8 2.34 perf-profile.children.cycles-pp.terminate_walk
> > 2.91 +1.6 4.46 perf-profile.children.cycles-pp.lockref_get
> > 5.00 +2.1 7.09 perf-profile.children.cycles-pp.path_openat
> > 4.73 +2.3 7.06 perf-profile.children.cycles-pp.do_file_open_root
> > 4.73 +2.3 7.06 perf-profile.children.cycles-pp.file_open_root
> > 10.36 +4.1 14.51 perf-profile.children.cycles-pp.user_path_at_empty
> > 9.93 +4.2 14.14 perf-profile.children.cycles-pp.filename_lookup
> > 9.90 +4.2 14.12 perf-profile.children.cycles-pp.path_lookupat
> > 9.69 +4.4 14.05 perf-profile.children.cycles-pp.complete_walk
> > 9.68 +4.4 14.04 perf-profile.children.cycles-pp.try_to_unlazy
> > 9.67 +4.4 14.04 perf-profile.children.cycles-pp.__legitimize_path
> > 9.63 +4.4 14.02 perf-profile.children.cycles-pp.lockref_get_not_dead
> > 11.18 +5.3 16.49 perf-profile.children.cycles-pp.path_put
> > 0.28 +6.6 6.91 ą 2% perf-profile.children.cycles-pp.lockref_put_return
> > 14.16 +7.0 21.20 perf-profile.children.cycles-pp.dput
> > 20.73 +8.4 29.08 perf-profile.children.cycles-pp.name_to_handle_at
> > 20.42 +8.5 28.89 perf-profile.children.cycles-pp.__x64_sys_name_to_handle_at
> > 95.48 -11.5 83.94 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath
> > 0.16 ą 3% -0.1 0.06 ą 9% perf-profile.self.cycles-pp.clear_bhb_loop
> > 0.09 ą 5% -0.0 0.07 ą 5% perf-profile.self.cycles-pp.do_dentry_open
> > 0.11 ą 5% +0.0 0.15 ą 13% perf-profile.self.cycles-pp.do_sys_name_to_handle
> > 0.27 +0.1 0.35 perf-profile.self.cycles-pp.putname
> > 0.16 ą 4% +0.1 0.25 ą 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
> > 0.00 +0.1 0.10 ą 12% perf-profile.self.cycles-pp.dput
> > 0.37 ą 2% +0.4 0.74 perf-profile.self.cycles-pp._raw_spin_lock
> > 0.08 +1.4 1.53 perf-profile.self.cycles-pp.lockref_get
> > 0.27 ą 2% +4.3 4.61 ą 2% perf-profile.self.cycles-pp.lockref_get_not_dead
> > 0.28 +6.6 6.90 ą 2% perf-profile.self.cycles-pp.lockref_put_return
> >
> >
> >
> >
> >
> > Disclaimer:
> > Results have been estimated based on internal Intel analysis and are provided
> > for informational purposes only. Any difference in system hardware or software
> > design or configuration may affect actual performance.
> >
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> >
>
>
> --
> Mateusz Guzik <mjguzik gmail.com>
--
Mateusz Guzik <mjguzik gmail.com>
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