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Date: Wed, 15 Nov 2023 21:55:00 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Daniel Jordan <daniel.m.jordan@...cle.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
Chen Yu <yu.c.chen@...el.com>,
K Prateek Nayak <kprateek.nayak@....com>,
<linux-kernel@...r.kernel.org>, <ying.huang@...el.com>,
<feng.tang@...el.com>, <fengwei.yin@...el.com>,
<aubrey.li@...ux.intel.com>, <mingo@...hat.com>,
<peterz@...radead.org>, <vincent.guittot@...aro.org>,
<bsegall@...gle.com>, <dietmar.eggemann@....com>, <efault@....de>,
<wuyun.abel@...edance.com>, <youssefesmat@...omium.org>,
<daniel.m.jordan@...cle.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH v3] sched/fair: Preserve PLACE_DEADLINE_INITIAL deadline
Hello,
kernel test robot noticed a 40.9% improvement of stress-ng.sigio.ops_per_sec on:
commit: 8ffa799074002d86c6164e9ad782d92f327721e7 ("[PATCH v3] sched/fair: Preserve PLACE_DEADLINE_INITIAL deadline")
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Jordan/sched-fair-Preserve-PLACE_DEADLINE_INITIAL-deadline/20231023-234710
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 4e5b65a22ba0cabe58f895cd797cb10a763d6994
patch link: https://lore.kernel.org/all/20231023154319.102437-1-daniel.m.jordan@oracle.com/
patch subject: [PATCH v3] sched/fair: Preserve PLACE_DEADLINE_INITIAL deadline
testcase: stress-ng
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory
parameters:
nr_threads: 100%
disk: 1SSD
testtime: 60s
class: interrupt
test: sigio
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231115/202311151636.fcc1117b-oliver.sang@intel.com
=========================================================================================
class/compiler/cpufreq_governor/disk/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
interrupt/gcc-12/performance/1SSD/x86_64-rhel-8.3/100%/debian-11.1-x86_64-20220510.cgz/lkp-skl-d08/sigio/stress-ng/60s
commit:
4e5b65a22b ("Merge tag 'v6.6-rc7' into sched/core, to pick up fixes")
8ffa799074 ("sched/fair: Preserve PLACE_DEADLINE_INITIAL deadline")
4e5b65a22ba0cabe 8ffa799074002d86c6164e9ad78
---------------- ---------------------------
%stddev %change %stddev
\ | \
258.00 ± 50% -68.5% 81.33 ±120% perf-c2c.DRAM.local
7040 ± 51% +2448.4% 179427 ± 42% turbostat.C1
51961 ± 7% +32.4% 68804 ± 9% turbostat.C1E
15870 ±136% +1458.5% 247352 ± 16% turbostat.POLL
1530591 ± 62% +218.9% 4880722 ± 23% meminfo.Active
1530514 ± 62% +218.9% 4880644 ± 23% meminfo.Active(anon)
5362555 ± 7% -73.3% 1430799 ± 16% meminfo.Inactive
5362273 ± 7% -73.3% 1430589 ± 16% meminfo.Inactive(anon)
2257499 ± 26% -47.6% 1182376 ± 26% meminfo.Mapped
12079 ± 10% -22.8% 9321 ± 21% meminfo.PageTables
63426 ± 9% -73.4% 16842 ± 27% stress-ng.sigio.SIGIO_signals_per_sec
2.608e+08 +40.9% 3.675e+08 ± 6% stress-ng.sigio.ops
4346344 +40.9% 6124205 ± 6% stress-ng.sigio.ops_per_sec
1.051e+08 -17.9% 86256650 ± 5% stress-ng.time.involuntary_context_switches
1588 -3.7% 1529 stress-ng.time.system_time
503.68 +12.5% 566.54 ± 2% stress-ng.time.user_time
2.514e+08 -18.3% 2.053e+08 ± 5% stress-ng.time.voluntary_context_switches
31734 ± 32% +118.3% 69262 ± 23% sched_debug.cfs_rq:/.avg_vruntime.stddev
11868 ± 17% -38.8% 7262 ± 51% sched_debug.cfs_rq:/.load.min
31734 ± 32% +118.3% 69262 ± 23% sched_debug.cfs_rq:/.min_vruntime.stddev
625.00 ± 10% -62.2% 236.21 ± 52% sched_debug.cfs_rq:/.runnable_avg.min
470.25 ± 8% -58.6% 194.62 ± 51% sched_debug.cfs_rq:/.util_avg.min
2.91 ± 10% -41.9% 1.69 ± 8% sched_debug.cpu.clock.stddev
92.02 ± 10% -19.5% 74.07 ± 12% sched_debug.cpu.clock_task.stddev
1.03 ± 2% -16.1% 0.86 ± 18% sched_debug.cpu.nr_running.avg
379771 ± 62% +221.3% 1220242 ± 23% proc-vmstat.nr_active_anon
102036 ± 3% -11.8% 89979 ± 10% proc-vmstat.nr_anon_pages
1342882 ± 7% -73.4% 357722 ± 16% proc-vmstat.nr_inactive_anon
565472 ± 26% -47.7% 295754 ± 26% proc-vmstat.nr_mapped
3023 ± 10% -22.9% 2330 ± 21% proc-vmstat.nr_page_table_pages
379771 ± 62% +221.3% 1220242 ± 23% proc-vmstat.nr_zone_active_anon
1342882 ± 7% -73.4% 357722 ± 16% proc-vmstat.nr_zone_inactive_anon
75670620 -17.9% 62143457 ± 5% proc-vmstat.numa_hit
75686923 -17.9% 62154566 ± 5% proc-vmstat.numa_local
75685257 -17.9% 62159432 ± 5% proc-vmstat.pgalloc_normal
73474177 -18.0% 60233297 ± 5% proc-vmstat.pgfree
0.02 ±198% +784.7% 0.16 ± 76% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
0.08 ± 48% +104.0% 0.15 ± 28% perf-sched.sch_delay.avg.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64
0.00 ± 76% +363.2% 0.01 ± 56% perf-sched.sch_delay.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi
0.02 ±198% +5087.4% 0.96 ±148% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
0.35 ± 45% +551.5% 2.28 ± 56% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.02 ± 45% +34.1% 0.03 ± 5% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select
0.33 ±141% +2900.0% 10.00 ± 20% perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
62.83 ± 47% +91.8% 120.50 ± 10% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
264.83 ± 45% +43.2% 379.33 ± 2% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
0.02 ± 45% +40.6% 0.02 ± 10% perf-sched.wait_time.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
0.01 ± 45% +47.4% 0.02 ± 7% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select
0.02 ± 45% +77.3% 0.03 ± 24% perf-sched.wait_time.max.ms.__cond_resched.__alloc_pages.pipe_write.vfs_write.ksys_write
0.04 ± 58% +2928.2% 1.20 ± 91% perf-sched.wait_time.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi
2.25 ± 37% +2.5 4.72 ± 72% perf-stat.i.branch-miss-rate%
7.63 ± 27% -3.2 4.41 ± 12% perf-stat.i.cache-miss-rate%
7694631 ± 8% -34.7% 5021832 ± 20% perf-stat.i.cache-misses
23380905 ± 10% -31.8% 15942730 ± 32% perf-stat.i.dTLB-load-misses
1279220 ± 17% -69.0% 397160 ± 32% perf-stat.i.dTLB-store-misses
7127 ± 23% -44.3% 3968 ± 30% perf-stat.i.instructions-per-iTLB-miss
2310670 ± 30% -77.9% 509599 ± 29% perf-stat.i.node-loads
1.62 +0.2 1.81 perf-stat.overall.branch-miss-rate%
5.30 ± 8% -1.2 4.09 ± 12% perf-stat.overall.cache-miss-rate%
2.33 +8.5% 2.52 perf-stat.overall.cpi
0.02 ± 22% -0.0 0.01 ± 49% perf-stat.overall.dTLB-store-miss-rate%
0.43 -7.8% 0.40 perf-stat.overall.ipc
7594493 ± 8% -34.8% 4950527 ± 20% perf-stat.ps.cache-misses
23069286 ± 10% -31.7% 15745301 ± 31% perf-stat.ps.dTLB-load-misses
1262448 ± 17% -68.8% 393354 ± 31% perf-stat.ps.dTLB-store-misses
2280155 ± 30% -77.9% 504638 ± 29% perf-stat.ps.node-loads
3.53e+12 -7.4% 3.268e+12 ± 2% perf-stat.total.instructions
16.24 -3.6 12.62 ± 4% perf-profile.calltrace.cycles-pp.__select
14.26 -3.2 11.10 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__select
13.79 -3.0 10.74 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
22.78 -1.9 20.90 ± 2% perf-profile.calltrace.cycles-pp.pipe_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.76 -1.6 5.15 ± 4% perf-profile.calltrace.cycles-pp.__x64_sys_select.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
6.67 -1.6 5.08 ± 4% perf-profile.calltrace.cycles-pp.kern_select.__x64_sys_select.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
8.73 -1.6 7.18 ± 5% perf-profile.calltrace.cycles-pp.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.56 ± 3% -1.4 6.12 ± 6% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_read.vfs_read
8.67 ± 2% -1.4 7.26 ± 6% perf-profile.calltrace.cycles-pp.schedule.pipe_write.vfs_write.ksys_write.do_syscall_64
5.90 -1.4 4.49 ± 4% perf-profile.calltrace.cycles-pp.core_sys_select.kern_select.__x64_sys_select.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.69 ± 3% -1.4 6.28 ± 6% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.pipe_read.vfs_read.ksys_read
8.46 ± 2% -1.4 7.07 ± 5% perf-profile.calltrace.cycles-pp.__schedule.schedule.pipe_write.vfs_write.ksys_write
7.32 ± 3% -1.4 5.92 ± 6% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_read
7.95 ± 2% -1.3 6.63 ± 5% perf-profile.calltrace.cycles-pp.__wake_up_common_lock.pipe_read.vfs_read.ksys_read.do_syscall_64
5.44 -1.3 4.14 ± 4% perf-profile.calltrace.cycles-pp.do_select.core_sys_select.kern_select.__x64_sys_select.do_syscall_64
7.30 -1.2 6.10 ± 4% perf-profile.calltrace.cycles-pp.stress_sigio_handler
24.20 -1.2 23.02 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
4.83 -1.2 3.66 ± 4% perf-profile.calltrace.cycles-pp.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select.__x64_sys_select
5.53 ± 2% -1.1 4.42 ± 3% perf-profile.calltrace.cycles-pp.__send_signal_locked.do_send_sig_info.send_sigio.kill_fasync.pipe_write
3.12 -1.1 2.04 ± 4% perf-profile.calltrace.cycles-pp.handle_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
6.11 -1.1 5.04 ± 3% perf-profile.calltrace.cycles-pp.do_send_sig_info.send_sigio.kill_fasync.pipe_write.vfs_write
6.88 -1.0 5.86 ± 3% perf-profile.calltrace.cycles-pp.send_sigio.kill_fasync.pipe_write.vfs_write.ksys_write
5.13 -1.0 4.12 ± 4% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
5.14 -1.0 4.14 ± 4% perf-profile.calltrace.cycles-pp.arch_do_signal_or_restart.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
7.70 -1.0 6.74 ± 2% perf-profile.calltrace.cycles-pp.kill_fasync.pipe_write.vfs_write.ksys_write.do_syscall_64
24.84 -0.9 23.92 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
3.90 -0.9 2.97 ± 4% perf-profile.calltrace.cycles-pp.schedule.schedule_hrtimeout_range_clock.do_select.core_sys_select.kern_select
3.80 -0.9 2.89 ± 4% perf-profile.calltrace.cycles-pp.__schedule.schedule.schedule_hrtimeout_range_clock.do_select.core_sys_select
4.44 -0.9 3.58 ± 4% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
3.23 ± 3% -0.8 2.39 ± 2% perf-profile.calltrace.cycles-pp.complete_signal.__send_signal_locked.do_send_sig_info.send_sigio.kill_fasync
3.10 ± 4% -0.8 2.27 ± 2% perf-profile.calltrace.cycles-pp.try_to_wake_up.complete_signal.__send_signal_locked.do_send_sig_info.send_sigio
3.57 ± 2% -0.6 2.95 ± 4% perf-profile.calltrace.cycles-pp.dequeue_task_fair.__schedule.schedule.pipe_write.vfs_write
4.15 ± 2% -0.6 3.54 ± 8% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
4.22 -0.6 3.63 ± 6% perf-profile.calltrace.cycles-pp.ttwu_do_activate.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock
1.33 ± 19% -0.5 0.80 ± 19% perf-profile.calltrace.cycles-pp.queue_event.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events
1.29 ± 17% -0.5 0.78 ± 7% perf-profile.calltrace.cycles-pp.select_task_rq.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock
3.37 ± 2% -0.5 2.87 ± 8% perf-profile.calltrace.cycles-pp.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
2.46 -0.5 1.96 ± 4% perf-profile.calltrace.cycles-pp.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.exit_to_user_mode_prepare
1.36 ± 19% -0.5 0.86 ± 19% perf-profile.calltrace.cycles-pp.ordered_events__queue.process_simple.reader__read_event.perf_session__process_events.record__finish_output
3.26 ± 3% -0.5 2.76 ± 8% perf-profile.calltrace.cycles-pp.__schedule.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
1.10 ± 20% -0.5 0.61 ± 7% perf-profile.calltrace.cycles-pp.select_task_rq_fair.select_task_rq.try_to_wake_up.autoremove_wake_function.__wake_up_common
3.35 ± 2% -0.5 2.87 ± 5% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.try_to_wake_up.autoremove_wake_function.__wake_up_common
2.37 -0.5 1.90 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.stress_sigio_handler
3.23 ± 2% -0.4 2.78 ± 6% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up.autoremove_wake_function
2.27 -0.4 1.82 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigio_handler
2.26 -0.4 1.82 ± 3% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigio_handler
2.12 -0.4 1.68 ± 5% perf-profile.calltrace.cycles-pp.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart.exit_to_user_mode_loop
1.75 -0.4 1.36 ± 4% perf-profile.calltrace.cycles-pp.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
1.60 -0.4 1.21 ± 5% perf-profile.calltrace.cycles-pp.dequeue_task_fair.__schedule.schedule.schedule_hrtimeout_range_clock.do_select
1.74 -0.4 1.36 ± 2% perf-profile.calltrace.cycles-pp.ttwu_do_activate.try_to_wake_up.complete_signal.__send_signal_locked.do_send_sig_info
1.75 ± 4% -0.4 1.38 ± 5% perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_task_fair.__schedule.schedule.pipe_write
1.87 -0.3 1.52 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
2.31 ± 2% -0.3 1.97 ± 5% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up
1.72 -0.3 1.38 ± 4% perf-profile.calltrace.cycles-pp.__irqentry_text_end.stress_sigio_handler
0.61 ± 3% -0.3 0.27 ±100% perf-profile.calltrace.cycles-pp.reweight_entity.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up
0.59 ± 2% -0.3 0.27 ±100% perf-profile.calltrace.cycles-pp.prepare_task_switch.__schedule.schedule.pipe_write.vfs_write
0.68 ± 2% -0.3 0.36 ± 70% perf-profile.calltrace.cycles-pp.collect_signal.dequeue_signal.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop
1.43 ± 2% -0.3 1.13 ± 2% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.try_to_wake_up.complete_signal.__send_signal_locked
1.38 -0.3 1.10 ± 4% perf-profile.calltrace.cycles-pp.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe.__select
1.32 ± 2% -0.3 1.04 ± 4% perf-profile.calltrace.cycles-pp.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.29 ± 2% -0.3 1.01 ± 5% perf-profile.calltrace.cycles-pp.copy_fpstate_to_sigframe.get_sigframe.x64_setup_rt_frame.handle_signal.arch_do_signal_or_restart
1.47 -0.3 1.19 ± 5% perf-profile.calltrace.cycles-pp.pick_next_task_fair.__schedule.schedule.pipe_write.vfs_write
1.37 ± 2% -0.3 1.10 ± 2% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.try_to_wake_up.complete_signal
1.25 ± 2% -0.3 0.98 ± 4% perf-profile.calltrace.cycles-pp.__fpu_restore_sig.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn.do_syscall_64
1.62 -0.3 1.36 ± 4% perf-profile.calltrace.cycles-pp.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode
1.54 -0.2 1.30 ± 6% perf-profile.calltrace.cycles-pp.__sigqueue_alloc.__send_signal_locked.do_send_sig_info.send_sigio.kill_fasync
0.82 ± 2% -0.2 0.58 ± 6% perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_task_fair.__schedule.schedule.schedule_hrtimeout_range_clock
1.35 ± 2% -0.2 1.12 ± 7% perf-profile.calltrace.cycles-pp.pick_next_task_fair.__schedule.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare
1.14 -0.2 0.93 ± 3% perf-profile.calltrace.cycles-pp.dequeue_signal.get_signal.arch_do_signal_or_restart.exit_to_user_mode_loop.exit_to_user_mode_prepare
0.94 ± 4% -0.2 0.73 ± 5% perf-profile.calltrace.cycles-pp.__alloc_pages.pipe_write.vfs_write.ksys_write.do_syscall_64
1.12 ± 2% -0.2 0.92 ± 7% perf-profile.calltrace.cycles-pp.switch_mm_irqs_off.__schedule.schedule.pipe_write.vfs_write
0.94 -0.2 0.75 ± 3% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.stress_sigio_handler
1.06 ± 2% -0.2 0.88 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.81 ± 3% -0.2 0.64 ± 5% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__select
0.66 ± 3% -0.2 0.49 ± 45% perf-profile.calltrace.cycles-pp.restore_fpregs_from_fpstate.switch_fpu_return.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64
0.95 ± 2% -0.2 0.78 ± 4% perf-profile.calltrace.cycles-pp.__x64_sys_rt_sigreturn.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.74 ± 2% -0.2 0.59 ± 4% perf-profile.calltrace.cycles-pp.restore_fpregs_from_user.__fpu_restore_sig.fpu__restore_sig.restore_sigcontext.__x64_sys_rt_sigreturn
0.76 ± 4% -0.1 0.62 ± 4% perf-profile.calltrace.cycles-pp.update_curr.dequeue_entity.dequeue_task_fair.__schedule.schedule
0.94 ± 4% -0.1 0.80 ± 8% perf-profile.calltrace.cycles-pp.__mem_cgroup_uncharge.__folio_put.pipe_read.vfs_read.ksys_read
1.00 ± 4% -0.1 0.86 ± 8% perf-profile.calltrace.cycles-pp.__folio_put.pipe_read.vfs_read.ksys_read.do_syscall_64
1.00 ± 5% -0.1 0.87 ± 6% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
0.90 -0.1 0.77 ± 6% perf-profile.calltrace.cycles-pp.kmem_cache_alloc.__sigqueue_alloc.__send_signal_locked.do_send_sig_info.send_sigio
0.79 -0.1 0.66 ± 6% perf-profile.calltrace.cycles-pp.perf_trace_sched_wakeup_template.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock
0.88 ± 3% -0.1 0.76 ± 8% perf-profile.calltrace.cycles-pp.switch_fpu_return.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.74 ± 4% -0.1 0.62 ± 8% perf-profile.calltrace.cycles-pp.uncharge_batch.__mem_cgroup_uncharge.__folio_put.pipe_read.vfs_read
0.65 ± 2% -0.1 0.54 ± 3% perf-profile.calltrace.cycles-pp.reweight_entity.dequeue_task_fair.__schedule.schedule.pipe_write
0.69 ± 2% -0.1 0.58 ± 7% perf-profile.calltrace.cycles-pp.prepare_to_wait_event.pipe_write.vfs_write.ksys_write.do_syscall_64
0.77 ± 2% -0.1 0.67 ± 9% perf-profile.calltrace.cycles-pp.wakeup_preempt.ttwu_do_activate.try_to_wake_up.autoremove_wake_function.__wake_up_common
0.71 ± 4% -0.1 0.61 ± 9% perf-profile.calltrace.cycles-pp.switch_mm_irqs_off.__schedule.schedule.exit_to_user_mode_loop.exit_to_user_mode_prepare
0.58 ± 3% +0.1 0.68 ± 5% perf-profile.calltrace.cycles-pp.touch_atime.pipe_read.vfs_read.ksys_read.do_syscall_64
0.53 ± 2% +0.2 0.71 ± 11% perf-profile.calltrace.cycles-pp.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
0.55 ± 3% +0.2 0.74 ± 7% perf-profile.calltrace.cycles-pp.security_file_permission.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.69 ± 4% +0.2 0.89 ± 10% perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.vfs_read.ksys_read.do_syscall_64
0.80 ± 3% +0.2 1.01 ± 9% perf-profile.calltrace.cycles-pp.security_file_permission.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.06 ± 3% +0.3 2.35 ± 8% perf-profile.calltrace.cycles-pp.copy_page_from_iter.pipe_write.vfs_write.ksys_write.do_syscall_64
1.45 +0.3 1.74 ± 3% perf-profile.calltrace.cycles-pp.__entry_text_start.read
0.34 ± 70% +0.3 0.66 ± 11% perf-profile.calltrace.cycles-pp.__fget_light.__fdget_pos.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.07 +0.3 1.39 ± 5% perf-profile.calltrace.cycles-pp.__entry_text_start.write
1.74 ± 2% +0.3 2.07 ± 3% perf-profile.calltrace.cycles-pp.rep_movs_alternative.copyout._copy_to_iter.copy_page_to_iter.pipe_read
1.83 ± 2% +0.4 2.19 ± 2% perf-profile.calltrace.cycles-pp.copyout._copy_to_iter.copy_page_to_iter.pipe_read.vfs_read
1.98 ± 2% +0.4 2.38 ± 2% perf-profile.calltrace.cycles-pp._copy_to_iter.copy_page_to_iter.pipe_read.vfs_read.ksys_read
2.04 ± 2% +0.4 2.46 ± 2% perf-profile.calltrace.cycles-pp.copy_page_to_iter.pipe_read.vfs_read.ksys_read.do_syscall_64
0.08 ±223% +0.5 0.57 ± 5% perf-profile.calltrace.cycles-pp.atime_needs_update.touch_atime.pipe_read.vfs_read.ksys_read
4.34 +0.6 4.90 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.read
0.00 +0.6 0.65 ± 8% perf-profile.calltrace.cycles-pp.apparmor_file_permission.security_file_permission.vfs_write.ksys_write.do_syscall_64
0.62 ± 55% +0.7 1.30 ± 23% perf-profile.calltrace.cycles-pp.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events
3.40 +0.7 4.14 ± 5% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
30.66 +0.7 31.41 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
0.54 ± 3% +0.9 1.41 ± 26% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.read
2.97 +0.9 3.86 ± 5% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.write
27.05 +1.2 28.21 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
36.62 +2.0 38.62 perf-profile.calltrace.cycles-pp.write
34.59 +2.2 36.82 perf-profile.calltrace.cycles-pp.read
16.29 -3.6 12.66 ± 4% perf-profile.children.cycles-pp.__select
70.34 -3.2 67.18 perf-profile.children.cycles-pp.do_syscall_64
16.03 -2.9 13.14 ± 5% perf-profile.children.cycles-pp.schedule
15.68 -2.8 12.85 ± 5% perf-profile.children.cycles-pp.__schedule
10.48 ± 3% -2.2 8.26 ± 5% perf-profile.children.cycles-pp.try_to_wake_up
76.40 -2.0 74.36 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
22.86 -1.9 20.97 ± 2% perf-profile.children.cycles-pp.pipe_write
10.57 -1.8 8.78 ± 5% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
6.77 -1.6 5.16 ± 4% perf-profile.children.cycles-pp.__x64_sys_select
8.81 -1.6 7.21 ± 5% perf-profile.children.cycles-pp.exit_to_user_mode_loop
6.69 -1.6 5.09 ± 4% perf-profile.children.cycles-pp.kern_select
7.58 ± 3% -1.4 6.13 ± 6% perf-profile.children.cycles-pp.autoremove_wake_function
5.92 -1.4 4.51 ± 4% perf-profile.children.cycles-pp.core_sys_select
7.72 ± 3% -1.4 6.32 ± 6% perf-profile.children.cycles-pp.__wake_up_common
5.44 -1.3 4.14 ± 4% perf-profile.children.cycles-pp.do_select
8.15 ± 2% -1.3 6.88 ± 5% perf-profile.children.cycles-pp.__wake_up_common_lock
4.84 -1.2 3.67 ± 4% perf-profile.children.cycles-pp.schedule_hrtimeout_range_clock
24.23 -1.2 23.06 perf-profile.children.cycles-pp.vfs_write
5.55 -1.1 4.44 ± 3% perf-profile.children.cycles-pp.__send_signal_locked
6.14 -1.1 5.07 ± 3% perf-profile.children.cycles-pp.do_send_sig_info
6.62 -1.1 5.56 ± 3% perf-profile.children.cycles-pp.stress_sigio_handler
6.89 -1.0 5.87 ± 3% perf-profile.children.cycles-pp.send_sigio
5.20 ± 2% -1.0 4.19 ± 4% perf-profile.children.cycles-pp.dequeue_task_fair
5.15 -1.0 4.15 ± 4% perf-profile.children.cycles-pp.arch_do_signal_or_restart
6.00 -1.0 5.04 ± 4% perf-profile.children.cycles-pp.ttwu_do_activate
7.77 -1.0 6.81 ± 2% perf-profile.children.cycles-pp.kill_fasync
24.86 -0.9 23.94 perf-profile.children.cycles-pp.ksys_write
3.23 ± 3% -0.8 2.39 ± 2% perf-profile.children.cycles-pp.complete_signal
1.92 ± 17% -0.8 1.14 ± 5% perf-profile.children.cycles-pp.select_task_rq
4.81 -0.8 4.04 ± 4% perf-profile.children.cycles-pp.activate_task
1.64 ± 20% -0.8 0.89 ± 6% perf-profile.children.cycles-pp.select_task_rq_fair
3.72 -0.7 3.00 ± 5% perf-profile.children.cycles-pp.pick_next_task_fair
4.63 -0.7 3.92 ± 4% perf-profile.children.cycles-pp.enqueue_task_fair
3.13 -0.6 2.49 ± 4% perf-profile.children.cycles-pp.handle_signal
1.10 ± 29% -0.6 0.46 ± 6% perf-profile.children.cycles-pp.select_idle_sibling
2.65 ± 3% -0.6 2.03 ± 4% perf-profile.children.cycles-pp.dequeue_entity
18.57 -0.6 17.96 ± 2% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
2.72 -0.6 2.15 ± 4% perf-profile.children.cycles-pp.__x64_sys_rt_sigreturn
1.34 ± 20% -0.5 0.81 ± 19% perf-profile.children.cycles-pp.queue_event
2.48 -0.5 1.98 ± 4% perf-profile.children.cycles-pp.x64_setup_rt_frame
2.95 -0.5 2.45 ± 4% perf-profile.children.cycles-pp.update_curr
1.36 ± 19% -0.5 0.86 ± 19% perf-profile.children.cycles-pp.ordered_events__queue
2.89 ± 3% -0.5 2.42 ± 5% perf-profile.children.cycles-pp.update_load_avg
2.13 -0.4 1.69 ± 5% perf-profile.children.cycles-pp.get_sigframe
2.36 ± 2% -0.4 1.93 ± 7% perf-profile.children.cycles-pp.switch_mm_irqs_off
1.76 -0.4 1.40 ± 4% perf-profile.children.cycles-pp.restore_sigcontext
2.37 ± 2% -0.3 2.03 ± 5% perf-profile.children.cycles-pp.enqueue_entity
1.82 -0.3 1.48 ± 3% perf-profile.children.cycles-pp.reweight_entity
1.73 -0.3 1.40 ± 4% perf-profile.children.cycles-pp.__irqentry_text_end
1.30 ± 2% -0.3 1.02 ± 5% perf-profile.children.cycles-pp.copy_fpstate_to_sigframe
1.32 ± 2% -0.3 1.04 ± 4% perf-profile.children.cycles-pp.fpu__restore_sig
1.26 ± 2% -0.3 0.99 ± 4% perf-profile.children.cycles-pp.__fpu_restore_sig
1.62 -0.3 1.37 ± 4% perf-profile.children.cycles-pp.get_signal
1.55 -0.2 1.30 ± 6% perf-profile.children.cycles-pp.__sigqueue_alloc
1.30 ± 2% -0.2 1.06 ± 7% perf-profile.children.cycles-pp.prepare_task_switch
1.19 ± 2% -0.2 0.95 ± 6% perf-profile.children.cycles-pp.set_next_entity
1.30 ± 3% -0.2 1.08 ± 7% perf-profile.children.cycles-pp.restore_fpregs_from_fpstate
1.14 -0.2 0.93 ± 3% perf-profile.children.cycles-pp.dequeue_signal
0.95 ± 4% -0.2 0.74 ± 5% perf-profile.children.cycles-pp.__alloc_pages
1.33 ± 3% -0.2 1.13 ± 8% perf-profile.children.cycles-pp.switch_fpu_return
1.04 ± 4% -0.2 0.84 ± 5% perf-profile.children.cycles-pp.__switch_to_asm
1.09 -0.2 0.90 ± 5% perf-profile.children.cycles-pp.perf_trace_sched_wakeup_template
0.96 -0.2 0.78 ± 5% perf-profile.children.cycles-pp.__pick_eevdf
0.89 ± 2% -0.2 0.72 ± 7% perf-profile.children.cycles-pp.___perf_sw_event
1.04 ± 2% -0.2 0.88 ± 7% perf-profile.children.cycles-pp.wakeup_preempt
0.88 -0.2 0.71 ± 5% perf-profile.children.cycles-pp.pick_next_entity
0.81 ± 2% -0.2 0.66 ± 5% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.62 ± 2% -0.2 0.47 ± 8% perf-profile.children.cycles-pp.put_prev_entity
0.74 ± 2% -0.2 0.59 ± 4% perf-profile.children.cycles-pp.restore_fpregs_from_user
0.68 ± 2% -0.2 0.53 ± 4% perf-profile.children.cycles-pp.collect_signal
0.95 ± 3% -0.1 0.80 ± 8% perf-profile.children.cycles-pp.__mem_cgroup_uncharge
1.01 ± 3% -0.1 0.86 ± 8% perf-profile.children.cycles-pp.__folio_put
0.79 -0.1 0.65 ± 7% perf-profile.children.cycles-pp.check_preempt_wakeup_fair
0.75 ± 2% -0.1 0.61 ± 7% perf-profile.children.cycles-pp.os_xsave
0.72 ± 3% -0.1 0.58 ± 5% perf-profile.children.cycles-pp.native_irq_return_iret
0.50 ± 5% -0.1 0.36 ± 4% perf-profile.children.cycles-pp.__memcg_kmem_charge_page
0.91 -0.1 0.78 ± 6% perf-profile.children.cycles-pp.kmem_cache_alloc
0.34 ± 5% -0.1 0.21 ± 8% perf-profile.children.cycles-pp.select_idle_cpu
0.52 ± 3% -0.1 0.40 ± 5% perf-profile.children.cycles-pp.do_dec_rlimit_put_ucounts
0.80 ± 2% -0.1 0.68 ± 4% perf-profile.children.cycles-pp.__update_load_avg_se
0.74 ± 5% -0.1 0.62 ± 7% perf-profile.children.cycles-pp.uncharge_batch
0.71 ± 2% -0.1 0.59 ± 7% perf-profile.children.cycles-pp.prepare_to_wait_event
0.76 ± 4% -0.1 0.65 ± 4% perf-profile.children.cycles-pp.update_cfs_group
0.70 ± 4% -0.1 0.58 ± 7% perf-profile.children.cycles-pp.__switch_to
0.37 ± 2% -0.1 0.26 ± 4% perf-profile.children.cycles-pp.hrtimer_start_range_ns
0.53 -0.1 0.42 ± 5% perf-profile.children.cycles-pp._copy_from_user
0.55 ± 3% -0.1 0.44 ± 5% perf-profile.children.cycles-pp.inc_rlimit_get_ucounts
0.52 -0.1 0.42 ± 4% perf-profile.children.cycles-pp.save_xstate_epilog
0.54 ± 2% -0.1 0.44 ± 6% perf-profile.children.cycles-pp.avg_vruntime
0.57 ± 3% -0.1 0.47 ± 6% perf-profile.children.cycles-pp.place_entity
0.33 ± 2% -0.1 0.24 ± 4% perf-profile.children.cycles-pp.restore_altstack
0.47 ± 4% -0.1 0.38 ± 4% perf-profile.children.cycles-pp.__calc_delta
0.44 ± 5% -0.1 0.35 ± 7% perf-profile.children.cycles-pp._raw_spin_lock
0.31 ± 2% -0.1 0.22 ± 5% perf-profile.children.cycles-pp.hrtimer_try_to_cancel
0.49 -0.1 0.41 ± 4% perf-profile.children.cycles-pp.fpu__clear_user_states
0.30 ± 2% -0.1 0.22 ± 12% perf-profile.children.cycles-pp.__list_del_entry_valid_or_report
0.36 ± 4% -0.1 0.28 ± 6% perf-profile.children.cycles-pp.update_min_vruntime
0.62 -0.1 0.53 ± 6% perf-profile.children.cycles-pp.perf_tp_event
0.25 ± 3% -0.1 0.17 ± 5% perf-profile.children.cycles-pp.__hrtimer_start_range_ns
0.36 ± 2% -0.1 0.28 ± 2% perf-profile.children.cycles-pp.poll_select_finish
0.51 ± 5% -0.1 0.43 ± 8% perf-profile.children.cycles-pp.page_counter_uncharge
0.55 ± 2% -0.1 0.47 ± 6% perf-profile.children.cycles-pp.update_rq_clock
0.31 ± 2% -0.1 0.24 ± 4% perf-profile.children.cycles-pp.check_xstate_in_sigframe
0.35 ± 4% -0.1 0.28 ± 2% perf-profile.children.cycles-pp.ktime_get_ts64
0.28 ± 6% -0.1 0.20 ± 10% perf-profile.children.cycles-pp.perf_trace_sched_stat_runtime
0.27 ± 5% -0.1 0.20 ± 6% perf-profile.children.cycles-pp.perf_trace_buf_alloc
0.39 ± 3% -0.1 0.33 ± 7% perf-profile.children.cycles-pp.sched_clock
0.32 ± 3% -0.1 0.25 ± 7% perf-profile.children.cycles-pp.cpuacct_charge
0.44 ± 3% -0.1 0.37 ± 6% perf-profile.children.cycles-pp.sched_clock_cpu
0.26 ± 4% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.signal_setup_done
0.36 ± 5% -0.1 0.30 ± 4% perf-profile.children.cycles-pp.__get_obj_cgroup_from_memcg
0.36 ± 4% -0.1 0.30 ± 6% perf-profile.children.cycles-pp.native_sched_clock
0.24 ± 4% -0.1 0.18 ± 8% perf-profile.children.cycles-pp.__list_add_valid_or_report
0.30 ± 4% -0.1 0.25 ± 6% perf-profile.children.cycles-pp.update_rq_clock_task
0.37 ± 2% -0.1 0.32 ± 6% perf-profile.children.cycles-pp.get_obj_cgroup_from_current
0.30 ± 4% -0.0 0.25 ± 7% perf-profile.children.cycles-pp.__dequeue_entity
0.26 ± 3% -0.0 0.21 ± 9% perf-profile.children.cycles-pp.memcg_account_kmem
0.23 ± 2% -0.0 0.18 ± 3% perf-profile.children.cycles-pp.recalc_sigpending
0.22 ± 4% -0.0 0.18 ± 4% perf-profile.children.cycles-pp.__get_user_nocheck_4
0.07 ± 5% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.get_nohz_timer_target
0.19 ± 3% -0.0 0.14 ± 5% perf-profile.children.cycles-pp.__enqueue_entity
0.26 ± 4% -0.0 0.22 ± 6% perf-profile.children.cycles-pp.__get_user_nocheck_8
0.33 ± 4% -0.0 0.29 ± 5% perf-profile.children.cycles-pp.kmem_cache_free
0.21 ± 5% -0.0 0.16 ± 3% perf-profile.children.cycles-pp.__set_current_blocked
0.20 ± 3% -0.0 0.15 ± 6% perf-profile.children.cycles-pp.__put_user_nocheck_4
0.23 ± 4% -0.0 0.19 ± 5% perf-profile.children.cycles-pp.entity_eligible
0.20 ± 4% -0.0 0.16 ± 4% perf-profile.children.cycles-pp.set_current_blocked
0.13 ± 2% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__remove_hrtimer
0.23 ± 6% -0.0 0.19 perf-profile.children.cycles-pp.read_tsc
0.26 ± 3% -0.0 0.22 ± 5% perf-profile.children.cycles-pp.__wrgsbase_inactive
0.20 ± 4% -0.0 0.16 ± 8% perf-profile.children.cycles-pp.perf_trace_buf_update
0.20 ± 4% -0.0 0.16 ± 4% perf-profile.children.cycles-pp.select_estimate_accuracy
0.11 ± 14% -0.0 0.08 ± 19% perf-profile.children.cycles-pp.__bitmap_and
0.10 ± 4% -0.0 0.07 ± 8% perf-profile.children.cycles-pp.timerqueue_del
0.23 ± 2% -0.0 0.20 ± 9% perf-profile.children.cycles-pp.memcg_slab_post_alloc_hook
0.10 ± 3% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.timerqueue_add
0.12 ± 3% -0.0 0.09 ± 7% perf-profile.children.cycles-pp.enqueue_hrtimer
0.15 ± 8% -0.0 0.12 ± 7% perf-profile.children.cycles-pp.switch_ldt
0.26 ± 4% -0.0 0.23 ± 6% perf-profile.children.cycles-pp.finish_task_switch
0.16 ± 5% -0.0 0.14 ± 5% perf-profile.children.cycles-pp.ttwu_queue_wakelist
0.11 -0.0 0.08 ± 5% perf-profile.children.cycles-pp._copy_to_user
0.15 ± 5% -0.0 0.12 ± 5% perf-profile.children.cycles-pp.check_cfs_rq_runtime
0.14 ± 5% -0.0 0.11 ± 6% perf-profile.children.cycles-pp.__rdgsbase_inactive
0.12 ± 3% -0.0 0.10 ± 9% perf-profile.children.cycles-pp.tracing_gen_ctx_irq_test
0.15 ± 4% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.fpregs_mark_activate
0.14 ± 7% -0.0 0.12 ± 5% perf-profile.children.cycles-pp.rcu_all_qs
0.10 ± 6% -0.0 0.08 ± 13% perf-profile.children.cycles-pp.rcu_note_context_switch
0.09 -0.0 0.07 ± 8% perf-profile.children.cycles-pp._raw_spin_trylock
0.09 ± 6% -0.0 0.07 ± 9% perf-profile.children.cycles-pp.memset_orig
0.09 -0.0 0.07 ± 10% perf-profile.children.cycles-pp.fpu__alloc_mathframe
0.10 ± 4% -0.0 0.08 ± 7% perf-profile.children.cycles-pp.__hrtimer_init
0.10 ± 4% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.hrtimer_init_sleeper
0.08 ± 4% +0.0 0.10 ± 6% perf-profile.children.cycles-pp.aa_file_perm
0.05 +0.0 0.07 ± 12% perf-profile.children.cycles-pp.rw_verify_area
0.12 ± 3% +0.0 0.15 ± 8% perf-profile.children.cycles-pp.__x64_sys_write
0.22 ± 4% +0.0 0.25 ± 5% perf-profile.children.cycles-pp.__x64_sys_read
0.38 ± 3% +0.0 0.42 perf-profile.children.cycles-pp._raw_read_unlock_irqrestore
0.21 ± 3% +0.0 0.26 ± 5% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.15 ± 7% +0.0 0.19 ± 7% perf-profile.children.cycles-pp.inode_needs_update_time
0.19 ± 4% +0.1 0.24 ± 6% perf-profile.children.cycles-pp.file_update_time
0.00 +0.1 0.06 ± 13% perf-profile.children.cycles-pp.policy_node
0.25 +0.1 0.31 ± 5% perf-profile.children.cycles-pp.anon_pipe_buf_release
0.00 +0.1 0.06 ± 13% perf-profile.children.cycles-pp.timestamp_truncate
0.19 ± 4% +0.1 0.25 ± 16% perf-profile.children.cycles-pp.fsnotify_perm
0.01 ±223% +0.1 0.08 ± 25% perf-profile.children.cycles-pp.maps__find
0.47 ± 2% +0.1 0.54 ± 4% perf-profile.children.cycles-pp._raw_spin_lock_irq
0.40 ± 2% +0.1 0.48 ± 5% perf-profile.children.cycles-pp.mutex_unlock
0.80 +0.1 0.89 ± 2% perf-profile.children.cycles-pp.mutex_lock
0.04 ±109% +0.1 0.14 ± 25% perf-profile.children.cycles-pp.perf_env__arch
0.48 ± 4% +0.1 0.58 ± 5% perf-profile.children.cycles-pp.atime_needs_update
0.00 +0.1 0.10 ± 31% perf-profile.children.cycles-pp.mutex_spin_on_owner
0.49 ± 2% +0.1 0.60 ± 3% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.03 ±147% +0.1 0.13 ± 27% perf-profile.children.cycles-pp.machine__findnew_thread
0.58 ± 3% +0.1 0.69 ± 5% perf-profile.children.cycles-pp.touch_atime
0.04 ±111% +0.1 0.16 ± 26% perf-profile.children.cycles-pp.thread__find_map
0.20 ± 4% +0.2 0.35 ± 8% perf-profile.children.cycles-pp.__get_task_ioprio
0.41 ± 3% +0.2 0.57 ± 9% perf-profile.children.cycles-pp.syscall_enter_from_user_mode
0.08 ± 63% +0.2 0.25 ± 23% perf-profile.children.cycles-pp.machines__deliver_event
0.00 +0.2 0.20 ± 27% perf-profile.children.cycles-pp.__mutex_lock
0.14 ± 56% +0.2 0.39 ± 26% perf-profile.children.cycles-pp.build_id__mark_dso_hit
2.07 ± 3% +0.3 2.36 ± 8% perf-profile.children.cycles-pp.copy_page_from_iter
0.86 ± 2% +0.3 1.17 ± 11% perf-profile.children.cycles-pp.__fget_light
0.92 ± 2% +0.4 1.27 ± 11% perf-profile.children.cycles-pp.__fdget_pos
1.18 +0.4 1.54 ± 8% perf-profile.children.cycles-pp.apparmor_file_permission
1.88 ± 2% +0.4 2.27 ± 2% perf-profile.children.cycles-pp.copyout
1.29 +0.4 1.68 ± 6% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
1.98 ± 2% +0.4 2.39 ± 2% perf-profile.children.cycles-pp._copy_to_iter
1.36 ± 2% +0.4 1.77 ± 7% perf-profile.children.cycles-pp.security_file_permission
3.88 +0.4 4.30 ± 5% perf-profile.children.cycles-pp.rep_movs_alternative
2.04 ± 2% +0.4 2.47 ± 2% perf-profile.children.cycles-pp.copy_page_to_iter
0.68 ± 39% +0.6 1.31 ± 23% perf-profile.children.cycles-pp.perf_session__deliver_event
4.38 +0.8 5.15 ± 3% perf-profile.children.cycles-pp.__entry_text_start
8.18 +1.3 9.48 ± 2% perf-profile.children.cycles-pp.syscall_return_via_sysret
36.84 +2.1 38.91 perf-profile.children.cycles-pp.write
34.87 +2.3 37.16 perf-profile.children.cycles-pp.read
1.31 ± 19% -0.5 0.78 ± 19% perf-profile.self.cycles-pp.queue_event
2.33 ± 2% -0.4 1.91 ± 7% perf-profile.self.cycles-pp.switch_mm_irqs_off
1.73 -0.3 1.40 ± 4% perf-profile.self.cycles-pp.__irqentry_text_end
1.50 ± 2% -0.2 1.27 ± 7% perf-profile.self.cycles-pp.__schedule
0.44 ± 31% -0.2 0.21 ± 6% perf-profile.self.cycles-pp.select_idle_sibling
1.30 ± 3% -0.2 1.08 ± 7% perf-profile.self.cycles-pp.restore_fpregs_from_fpstate
0.51 ± 3% -0.2 0.31 ± 5% perf-profile.self.cycles-pp.dequeue_entity
1.29 ± 5% -0.2 1.08 ± 7% perf-profile.self.cycles-pp.update_load_avg
1.04 ± 4% -0.2 0.84 ± 5% perf-profile.self.cycles-pp.__switch_to_asm
0.92 -0.2 0.73 ± 5% perf-profile.self.cycles-pp.copy_fpstate_to_sigframe
0.99 ± 2% -0.2 0.80 ± 4% perf-profile.self.cycles-pp.reweight_entity
1.26 ± 6% -0.2 1.10 ± 5% perf-profile.self.cycles-pp.update_curr
0.78 ± 2% -0.1 0.64 ± 4% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
0.84 -0.1 0.70 ± 4% perf-profile.self.cycles-pp.pick_next_task_fair
0.82 -0.1 0.68 ± 6% perf-profile.self.cycles-pp.___perf_sw_event
0.74 ± 2% -0.1 0.60 ± 6% perf-profile.self.cycles-pp.os_xsave
0.72 ± 3% -0.1 0.58 ± 5% perf-profile.self.cycles-pp.native_irq_return_iret
0.67 ± 2% -0.1 0.53 ± 5% perf-profile.self.cycles-pp.restore_fpregs_from_user
0.69 -0.1 0.57 ± 7% perf-profile.self.cycles-pp.__pick_eevdf
0.78 ± 2% -0.1 0.66 ± 5% perf-profile.self.cycles-pp.__update_load_avg_se
0.51 ± 3% -0.1 0.40 ± 4% perf-profile.self.cycles-pp.do_dec_rlimit_put_ucounts
0.55 ± 3% -0.1 0.44 ± 5% perf-profile.self.cycles-pp.inc_rlimit_get_ucounts
0.74 ± 4% -0.1 0.63 ± 4% perf-profile.self.cycles-pp.update_cfs_group
0.54 ± 5% -0.1 0.43 ± 7% perf-profile.self.cycles-pp.select_task_rq_fair
0.62 ± 5% -0.1 0.52 ± 5% perf-profile.self.cycles-pp.enqueue_task_fair
0.63 ± 4% -0.1 0.53 ± 7% perf-profile.self.cycles-pp.__switch_to
0.42 ± 4% -0.1 0.32 ± 7% perf-profile.self.cycles-pp.try_to_wake_up
0.39 ± 4% -0.1 0.30 ± 5% perf-profile.self.cycles-pp.core_sys_select
0.22 ± 12% -0.1 0.13 ± 9% perf-profile.self.cycles-pp.select_idle_cpu
0.52 ± 2% -0.1 0.42 ± 6% perf-profile.self.cycles-pp.avg_vruntime
0.47 ± 4% -0.1 0.38 ± 5% perf-profile.self.cycles-pp.__calc_delta
0.42 ± 6% -0.1 0.33 ± 7% perf-profile.self.cycles-pp._raw_spin_lock
0.38 ± 4% -0.1 0.29 ± 5% perf-profile.self.cycles-pp.do_select
0.36 ± 2% -0.1 0.28 ± 5% perf-profile.self.cycles-pp._copy_from_user
0.54 ± 2% -0.1 0.46 ± 6% perf-profile.self.cycles-pp.dequeue_task_fair
0.22 ± 8% -0.1 0.14 ± 6% perf-profile.self.cycles-pp.__memcg_kmem_charge_page
0.41 ± 2% -0.1 0.34 ± 3% perf-profile.self.cycles-pp.fpu__clear_user_states
0.32 ± 4% -0.1 0.25 ± 5% perf-profile.self.cycles-pp.update_min_vruntime
0.25 ± 2% -0.1 0.18 ± 4% perf-profile.self.cycles-pp.set_next_entity
0.12 ± 25% -0.1 0.05 ± 52% perf-profile.self.cycles-pp.__ordered_events__flush
0.45 ± 5% -0.1 0.38 ± 7% perf-profile.self.cycles-pp.page_counter_uncharge
0.27 ± 7% -0.1 0.20 ± 10% perf-profile.self.cycles-pp.perf_trace_sched_stat_runtime
0.26 ± 3% -0.1 0.19 ± 11% perf-profile.self.cycles-pp.__list_del_entry_valid_or_report
0.35 ± 3% -0.1 0.28 ± 4% perf-profile.self.cycles-pp.x64_setup_rt_frame
0.21 ± 4% -0.1 0.15 ± 7% perf-profile.self.cycles-pp.pick_next_entity
0.31 ± 3% -0.1 0.24 ± 8% perf-profile.self.cycles-pp.cpuacct_charge
0.24 ± 3% -0.1 0.18 ± 4% perf-profile.self.cycles-pp.exit_to_user_mode_loop
0.36 ± 5% -0.1 0.30 ± 4% perf-profile.self.cycles-pp.__get_obj_cgroup_from_memcg
0.20 ± 6% -0.1 0.14 ± 9% perf-profile.self.cycles-pp.put_prev_entity
0.30 ± 3% -0.1 0.24 ± 6% perf-profile.self.cycles-pp.place_entity
0.35 ± 4% -0.1 0.29 ± 6% perf-profile.self.cycles-pp.native_sched_clock
0.14 ± 4% -0.1 0.08 ± 8% perf-profile.self.cycles-pp.handle_signal
0.40 ± 4% -0.1 0.35 ± 8% perf-profile.self.cycles-pp.prepare_task_switch
0.40 ± 3% -0.1 0.34 ± 7% perf-profile.self.cycles-pp.check_preempt_wakeup_fair
0.46 ± 5% -0.1 0.40 ± 5% perf-profile.self.cycles-pp.enqueue_entity
0.23 ± 4% -0.1 0.18 ± 8% perf-profile.self.cycles-pp.__list_add_valid_or_report
0.29 ± 3% -0.1 0.24 ± 7% perf-profile.self.cycles-pp.update_rq_clock_task
0.36 ± 2% -0.1 0.31 ± 7% perf-profile.self.cycles-pp.prepare_to_wait_event
0.24 ± 5% -0.1 0.19 ± 8% perf-profile.self.cycles-pp.memcg_account_kmem
0.30 ± 8% -0.0 0.25 ± 8% perf-profile.self.cycles-pp.__cgroup_account_cputime
0.18 ± 3% -0.0 0.13 ± 6% perf-profile.self.cycles-pp.perf_trace_buf_alloc
0.35 ± 3% -0.0 0.30 ± 8% perf-profile.self.cycles-pp.schedule
0.32 ± 4% -0.0 0.28 ± 10% perf-profile.self.cycles-pp.switch_fpu_return
0.27 ± 3% -0.0 0.22 ± 6% perf-profile.self.cycles-pp.kmem_cache_alloc
0.22 ± 4% -0.0 0.17 ± 5% perf-profile.self.cycles-pp.__get_user_nocheck_4
0.18 ± 5% -0.0 0.14 ± 5% perf-profile.self.cycles-pp.__enqueue_entity
0.22 ± 4% -0.0 0.18 ± 4% perf-profile.self.cycles-pp.entity_eligible
0.22 -0.0 0.18 ± 5% perf-profile.self.cycles-pp.recalc_sigpending
0.21 ± 3% -0.0 0.16 ± 6% perf-profile.self.cycles-pp.__fpu_restore_sig
0.18 ± 2% -0.0 0.14 ± 7% perf-profile.self.cycles-pp.__x64_sys_rt_sigreturn
0.19 ± 3% -0.0 0.15 ± 4% perf-profile.self.cycles-pp.__put_user_nocheck_4
0.24 ± 5% -0.0 0.20 ± 8% perf-profile.self.cycles-pp.__dequeue_entity
0.18 ± 5% -0.0 0.14 ± 5% perf-profile.self.cycles-pp.kern_select
0.13 ± 8% -0.0 0.09 ± 7% perf-profile.self.cycles-pp.__select
0.42 ± 2% -0.0 0.37 ± 5% perf-profile.self.cycles-pp.perf_tp_event
0.22 ± 3% -0.0 0.18 ± 5% perf-profile.self.cycles-pp.get_sigframe
0.22 ± 5% -0.0 0.18 ± 3% perf-profile.self.cycles-pp.read_tsc
0.25 ± 2% -0.0 0.22 ± 5% perf-profile.self.cycles-pp.__wrgsbase_inactive
0.16 ± 4% -0.0 0.12 ± 5% perf-profile.self.cycles-pp.activate_task
0.26 ± 4% -0.0 0.22 ± 6% perf-profile.self.cycles-pp.__get_user_nocheck_8
0.16 ± 4% -0.0 0.13 ± 7% perf-profile.self.cycles-pp.schedule_hrtimeout_range_clock
0.08 ± 10% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.get_page_from_freelist
0.15 ± 8% -0.0 0.12 ± 8% perf-profile.self.cycles-pp.switch_ldt
0.10 ± 5% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.poll_select_finish
0.09 ± 4% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.timerqueue_add
0.19 -0.0 0.16 ± 8% perf-profile.self.cycles-pp.memcg_slab_post_alloc_hook
0.16 ± 4% -0.0 0.13 ± 5% perf-profile.self.cycles-pp.perf_trace_sched_wakeup_template
0.16 ± 6% -0.0 0.13 ± 8% perf-profile.self.cycles-pp.autoremove_wake_function
0.28 ± 2% -0.0 0.25 ± 6% perf-profile.self.cycles-pp.select_task_rq
0.19 ± 4% -0.0 0.16 ± 5% perf-profile.self.cycles-pp.kmem_cache_free
0.14 ± 3% -0.0 0.12 ± 6% perf-profile.self.cycles-pp.fpregs_mark_activate
0.16 ± 4% -0.0 0.13 ± 7% perf-profile.self.cycles-pp.ttwu_queue_wakelist
0.12 ± 7% -0.0 0.09 ± 9% perf-profile.self.cycles-pp.alloc_pages
0.14 ± 5% -0.0 0.11 ± 5% perf-profile.self.cycles-pp.ktime_get_ts64
0.19 ± 3% -0.0 0.16 ± 6% perf-profile.self.cycles-pp.restore_sigcontext
0.14 ± 3% -0.0 0.11 ± 3% perf-profile.self.cycles-pp.check_xstate_in_sigframe
0.14 ± 5% -0.0 0.12 ± 4% perf-profile.self.cycles-pp.arch_do_signal_or_restart
0.15 ± 4% -0.0 0.12 ± 6% perf-profile.self.cycles-pp.save_xstate_epilog
0.14 ± 5% -0.0 0.11 ± 7% perf-profile.self.cycles-pp.collect_signal
0.08 ± 5% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.__x64_sys_select
0.09 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp._copy_to_user
0.12 ± 5% -0.0 0.10 ± 9% perf-profile.self.cycles-pp.tracing_gen_ctx_irq_test
0.13 ± 2% -0.0 0.11 ± 7% perf-profile.self.cycles-pp.__rdgsbase_inactive
0.12 ± 8% -0.0 0.10 ± 6% perf-profile.self.cycles-pp.rcu_all_qs
0.11 ± 8% -0.0 0.09 ± 7% perf-profile.self.cycles-pp.save_fpregs_to_fpstate
0.09 ± 4% -0.0 0.07 ± 5% perf-profile.self.cycles-pp._raw_spin_trylock
0.07 ± 6% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.restore_altstack
0.09 ± 7% -0.0 0.07 ± 8% perf-profile.self.cycles-pp.perf_swevent_get_recursion_context
0.08 ± 8% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.perf_trace_buf_update
0.09 ± 4% -0.0 0.07 ± 9% perf-profile.self.cycles-pp.fpu__alloc_mathframe
0.10 ± 5% -0.0 0.08 ± 7% perf-profile.self.cycles-pp.select_estimate_accuracy
0.08 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.memset_orig
0.07 ± 6% +0.0 0.09 ± 6% perf-profile.self.cycles-pp.aa_file_perm
0.20 ± 5% +0.0 0.22 ± 4% perf-profile.self.cycles-pp.send_sigio
0.06 ± 6% +0.0 0.08 ± 8% perf-profile.self.cycles-pp.copy_page_to_iter
0.09 ± 5% +0.0 0.12 ± 12% perf-profile.self.cycles-pp._copy_to_iter
0.12 ± 4% +0.0 0.14 ± 8% perf-profile.self.cycles-pp.__x64_sys_write
0.19 ± 4% +0.0 0.23 ± 6% perf-profile.self.cycles-pp.security_file_permission
0.20 ± 4% +0.0 0.24 ± 6% perf-profile.self.cycles-pp.__x64_sys_read
0.11 ± 6% +0.0 0.15 ± 7% perf-profile.self.cycles-pp._copy_from_iter
0.20 ± 2% +0.0 0.23 ± 6% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.32 ± 2% +0.0 0.36 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.16 ± 4% +0.0 0.20 ± 6% perf-profile.self.cycles-pp.__wake_up_common_lock
0.37 ± 2% +0.0 0.41 perf-profile.self.cycles-pp._raw_read_unlock_irqrestore
0.24 ± 5% +0.0 0.29 ± 7% perf-profile.self.cycles-pp.atime_needs_update
0.06 ± 11% +0.0 0.11 ± 10% perf-profile.self.cycles-pp.copy_page_from_iter
0.18 ± 4% +0.0 0.23 ± 9% perf-profile.self.cycles-pp.copyin
0.19 ± 4% +0.1 0.24 ± 17% perf-profile.self.cycles-pp.fsnotify_perm
0.06 ± 11% +0.1 0.12 ± 15% perf-profile.self.cycles-pp.__fdget_pos
0.14 ± 3% +0.1 0.19 ± 10% perf-profile.self.cycles-pp.__wake_up_common
0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.timestamp_truncate
0.25 ± 2% +0.1 0.30 ± 4% perf-profile.self.cycles-pp.anon_pipe_buf_release
0.00 +0.1 0.06 ± 8% perf-profile.self.cycles-pp.rw_verify_area
0.45 ± 2% +0.1 0.51 ± 3% perf-profile.self.cycles-pp._raw_spin_lock_irq
0.17 ± 4% +0.1 0.23 ± 7% perf-profile.self.cycles-pp.copyout
0.01 ±223% +0.1 0.08 ± 25% perf-profile.self.cycles-pp.machines__deliver_event
0.00 +0.1 0.08 ± 24% perf-profile.self.cycles-pp.__mutex_lock
0.51 ± 2% +0.1 0.59 perf-profile.self.cycles-pp.read
0.38 ± 2% +0.1 0.47 ± 4% perf-profile.self.cycles-pp.mutex_unlock
0.43 ± 2% +0.1 0.52 ± 3% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.03 ±111% +0.1 0.13 ± 27% perf-profile.self.cycles-pp.perf_env__arch
0.25 ± 3% +0.1 0.34 ± 10% perf-profile.self.cycles-pp.ksys_write
0.49 ± 3% +0.1 0.59 ± 2% perf-profile.self.cycles-pp.mutex_lock
0.00 +0.1 0.10 ± 29% perf-profile.self.cycles-pp.mutex_spin_on_owner
0.38 +0.1 0.50 ± 5% perf-profile.self.cycles-pp.write
0.14 ± 33% +0.1 0.26 ± 25% perf-profile.self.cycles-pp.reader__read_event
0.21 ± 5% +0.1 0.34 ± 15% perf-profile.self.cycles-pp.ksys_read
1.18 ± 2% +0.1 1.31 ± 3% perf-profile.self.cycles-pp.pipe_write
0.84 ± 3% +0.1 0.98 ± 7% perf-profile.self.cycles-pp.pipe_read
0.36 ± 3% +0.1 0.50 ± 9% perf-profile.self.cycles-pp.syscall_enter_from_user_mode
0.19 ± 4% +0.1 0.34 ± 8% perf-profile.self.cycles-pp.__get_task_ioprio
0.60 ± 3% +0.2 0.79 ± 15% perf-profile.self.cycles-pp.vfs_read
0.85 ± 2% +0.3 1.14 ± 11% perf-profile.self.cycles-pp.__fget_light
1.09 ± 2% +0.4 1.44 ± 8% perf-profile.self.cycles-pp.apparmor_file_permission
0.71 ± 2% +0.4 1.10 ± 12% perf-profile.self.cycles-pp.vfs_write
3.73 +0.4 4.14 ± 5% perf-profile.self.cycles-pp.rep_movs_alternative
3.96 +0.7 4.64 ± 3% perf-profile.self.cycles-pp.__entry_text_start
6.16 +1.1 7.29 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
7.83 +1.1 8.96 ± 3% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
8.17 +1.3 9.47 ± 2% perf-profile.self.cycles-pp.syscall_return_via_sysret
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
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