Hello, kernel test robot noticed a -22.9% regression of stress-ng.pipeherd.ops_per_sec on: commit: cc03a5d65a4032f8c53940927343c1795f2d2c53 ("fs/pipe: remove unnecessary spinlock from pipe_write()") https://git.kernel.org/cgit/linux/kernel/git/vfs/vfs.git vfs.misc.backing_file testcase: stress-ng test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 10% disk: 1HDD testtime: 60s fs: ext4 class: os test: pipeherd cpufreq_governor: performance In addition to that, the commit also has significant impact on the following tests: +------------------+-------------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.pipeherd.ops_per_sec -34.2% regression | | test machine | 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory | | test parameters | class=memory | | | cpufreq_governor=performance | | | nr_threads=1 | | | test=pipeherd | | | testtime=60s | +------------------+-------------------------------------------------------------------------------------------------+ | testcase: change | stress-ng: stress-ng.pipeherd.ops_per_sec -36.9% regression | | test machine | 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory | | test parameters | class=pipe | | | cpufreq_governor=performance | | | nr_threads=1 | | | test=pipeherd | | | 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202310261611.90b9e38c-oliver.sang@xxxxxxxxx Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231026/202310261611.90b9e38c-oliver.sang@xxxxxxxxx ========================================================================================= class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: os/gcc-12/performance/1HDD/ext4/x86_64-rhel-8.3/10%/debian-11.1-x86_64-20220510.cgz/lkp-icl-2sp7/pipeherd/stress-ng/60s commit: c2da67ba32 ("fs/pipe: move check to pipe_has_watch_queue()") cc03a5d65a ("fs/pipe: remove unnecessary spinlock from pipe_write()") c2da67ba32de1205 cc03a5d65a4032f8c5394092734 ---------------- --------------------------- %stddev %change %stddev \ | \ 778.00 ± 10% +30.1% 1011 ± 13% perf-c2c.HITM.remote 2.662e+09 -11.5% 2.356e+09 cpuidle..time 1.026e+08 -22.9% 79040167 cpuidle..usage 72.78 -11.7% 64.28 iostat.cpu.idle 25.57 +33.4% 34.11 iostat.cpu.system 72.02 -8.8 63.26 mpstat.cpu.all.idle% 25.25 +8.8 34.02 mpstat.cpu.all.sys% 787485 ± 8% -52.5% 373825 ± 22% numa-meminfo.node1.Inactive 784808 ± 8% -52.9% 369663 ± 21% numa-meminfo.node1.Inactive(anon) 717330 ± 14% -31.2% 493788 ± 11% numa-meminfo.node1.Mapped 196064 ± 8% -52.9% 92385 ± 21% numa-vmstat.node1.nr_inactive_anon 178925 ± 14% -31.2% 123180 ± 11% numa-vmstat.node1.nr_mapped 196064 ± 8% -52.9% 92385 ± 21% numa-vmstat.node1.nr_zone_inactive_anon 72.81 -11.7% 64.32 vmstat.cpu.id 17.55 +28.3% 22.51 vmstat.procs.r 3092838 -22.8% 2386725 vmstat.system.cs 1065579 ± 6% -45.1% 584852 ± 4% meminfo.Inactive 1052573 ± 6% -45.6% 572348 ± 5% meminfo.Inactive(anon) 1007116 ± 10% -26.2% 742992 ± 8% meminfo.Mapped 3463885 -13.9% 2984003 meminfo.Shmem 283758 -22.9% 218806 stress-ng.pipeherd.context_switches_per_sec 1.022e+08 -22.9% 78780775 stress-ng.pipeherd.ops 1701727 -22.9% 1312011 stress-ng.pipeherd.ops_per_sec 2103 ± 11% +39.6% 2937 ± 4% stress-ng.time.involuntary_context_switches 21062 ± 2% +4.9% 22098 stress-ng.time.minor_page_faults 1696 +30.0% 2205 stress-ng.time.percent_of_cpu_this_job_got 1027 +30.7% 1343 stress-ng.time.system_time 1.022e+08 -22.9% 78774202 stress-ng.time.voluntary_context_switches 1576409 -7.6% 1456298 proc-vmstat.nr_file_pages 262943 ± 6% -45.6% 143033 ± 5% proc-vmstat.nr_inactive_anon 251413 ± 10% -26.3% 185193 ± 8% proc-vmstat.nr_mapped 866081 -13.8% 746129 proc-vmstat.nr_shmem 26465 -1.2% 26152 proc-vmstat.nr_slab_reclaimable 262943 ± 6% -45.6% 143033 ± 5% proc-vmstat.nr_zone_inactive_anon 1670139 -10.1% 1501215 proc-vmstat.numa_hit 1603701 -10.5% 1434878 proc-vmstat.numa_local 507432 ± 4% -54.6% 230184 ± 6% proc-vmstat.pgactivate 1720388 -9.8% 1551151 proc-vmstat.pgalloc_normal 1219 +16.3% 1418 turbostat.Avg_MHz 39.46 +6.5 45.91 turbostat.Busy% 658896 -28.0% 474622 ± 3% turbostat.C1 0.29 -0.1 0.23 ± 5% turbostat.C1% 1.016e+08 -23.0% 78286180 turbostat.C1E 58.43 -6.9 51.50 turbostat.C1E% 60.16 -10.7% 53.74 turbostat.CPU%c1 0.11 -18.2% 0.09 turbostat.IPC 62151 ± 2% -14.8% 52979 ± 4% turbostat.POLL 0.05 -0.0 0.04 turbostat.POLL% 195.43 +1.3% 197.92 turbostat.PkgWatt 0.01 ± 19% -41.7% 0.01 ± 30% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_read 0.00 ±102% +159.1% 0.01 ± 19% perf-sched.sch_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt 0.73 +18.9% 0.87 perf-sched.total_wait_and_delay.average.ms 5060558 -16.6% 4220876 ± 2% perf-sched.total_wait_and_delay.count.ms 0.73 +18.9% 0.86 perf-sched.total_wait_time.average.ms 0.60 +18.9% 0.71 perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 13.04 ± 12% +22.2% 15.94 ± 9% perf-sched.wait_and_delay.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 5057970 -16.6% 4218184 ± 2% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 44.00 ± 8% +15.2% 50.67 ± 6% perf-sched.wait_and_delay.count.rcu_gp_kthread.kthread.ret_from_fork.ret_from_fork_asm 379.17 ± 11% -18.9% 307.67 ± 9% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 0.58 ± 5% +17.8% 0.69 ± 3% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read 0.56 +20.0% 0.67 ± 2% perf-sched.wait_time.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 0.59 +19.0% 0.71 perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 13.04 ± 11% +22.2% 15.93 ± 9% perf-sched.wait_time.avg.ms.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread 0.32 ± 97% +147.0% 0.79 ± 13% perf-sched.wait_time.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt 0.88 ± 4% +12.3% 0.99 ± 3% perf-sched.wait_time.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64 166297 +61.3% 268240 sched_debug.cfs_rq:/.avg_vruntime.avg 231329 ± 9% +44.3% 333772 ± 7% sched_debug.cfs_rq:/.avg_vruntime.max 150766 ± 2% +66.4% 250808 sched_debug.cfs_rq:/.avg_vruntime.min 10725 ± 49% +80.4% 19346 ± 9% sched_debug.cfs_rq:/.left_vruntime.avg 172975 ± 5% +57.8% 272988 ± 2% sched_debug.cfs_rq:/.left_vruntime.max 38807 ± 28% +77.8% 68992 ± 4% sched_debug.cfs_rq:/.left_vruntime.stddev 166297 +61.3% 268240 sched_debug.cfs_rq:/.min_vruntime.avg 231329 ± 9% +44.3% 333772 ± 7% sched_debug.cfs_rq:/.min_vruntime.max 150766 ± 2% +66.4% 250808 sched_debug.cfs_rq:/.min_vruntime.min 10725 ± 49% +80.4% 19346 ± 9% sched_debug.cfs_rq:/.right_vruntime.avg 172975 ± 5% +57.8% 272988 ± 2% sched_debug.cfs_rq:/.right_vruntime.max 38807 ± 28% +77.8% 68992 ± 4% sched_debug.cfs_rq:/.right_vruntime.stddev 90.17 ± 13% +52.7% 137.67 ± 12% sched_debug.cfs_rq:/.runnable_avg.min 90.00 ± 13% +52.8% 137.50 ± 12% sched_debug.cfs_rq:/.util_avg.min 1508534 -22.9% 1162519 sched_debug.cpu.nr_switches.avg 1640132 -22.9% 1264186 sched_debug.cpu.nr_switches.max 97105 ± 15% -43.9% 54506 ± 13% sched_debug.cpu.nr_switches.stddev 0.54 ± 6% +32.4% 0.71 ± 9% perf-stat.i.MPKI 5.147e+09 -7.2% 4.778e+09 perf-stat.i.branch-instructions 1.09 +0.2 1.26 perf-stat.i.branch-miss-rate% 52417466 +7.9% 56552058 perf-stat.i.branch-misses 2.124e+08 +12.3% 2.386e+08 perf-stat.i.cache-references 3264917 -23.0% 2513625 perf-stat.i.context-switches 3.51 +23.1% 4.32 perf-stat.i.cpi 8.662e+10 +13.1% 9.794e+10 perf-stat.i.cpu-cycles 442935 +6.8% 472961 perf-stat.i.cpu-migrations 6.922e+09 -8.7% 6.321e+09 perf-stat.i.dTLB-loads 0.00 ± 19% +0.0 0.01 ± 11% perf-stat.i.dTLB-store-miss-rate% 3.81e+09 -15.5% 3.22e+09 perf-stat.i.dTLB-stores 2.547e+10 -8.0% 2.342e+10 perf-stat.i.instructions 0.32 -16.2% 0.27 perf-stat.i.ipc 1.35 +13.0% 1.53 perf-stat.i.metric.GHz 251.40 -9.5% 227.40 perf-stat.i.metric.M/sec 6819916 ± 9% +27.5% 8696988 ± 10% perf-stat.i.node-load-misses 21.95 +3.4 25.34 perf-stat.i.node-store-miss-rate% 1122377 ± 8% +48.0% 1660751 ± 9% perf-stat.i.node-store-misses 0.60 ± 6% +28.3% 0.77 ± 8% perf-stat.overall.MPKI 1.02 +0.2 1.18 perf-stat.overall.branch-miss-rate% 3.40 +22.9% 4.18 perf-stat.overall.cpi 0.00 ± 20% +0.0 0.01 ± 12% perf-stat.overall.dTLB-store-miss-rate% 0.29 -18.7% 0.24 perf-stat.overall.ipc 15.98 ± 3% +4.7 20.64 ± 2% perf-stat.overall.node-store-miss-rate% 5.065e+09 -7.2% 4.701e+09 perf-stat.ps.branch-instructions 51610014 +7.8% 55649750 perf-stat.ps.branch-misses 2.092e+08 +12.3% 2.349e+08 perf-stat.ps.cache-references 3213077 -23.0% 2474071 perf-stat.ps.context-switches 8.526e+10 +13.1% 9.64e+10 perf-stat.ps.cpu-cycles 436083 +6.8% 465607 perf-stat.ps.cpu-migrations 6.812e+09 -8.7% 6.22e+09 perf-stat.ps.dTLB-loads 3.749e+09 -15.5% 3.169e+09 perf-stat.ps.dTLB-stores 2.506e+10 -8.0% 2.305e+10 perf-stat.ps.instructions 6717977 ± 9% +27.4% 8558009 ± 10% perf-stat.ps.node-load-misses 1104522 ± 8% +47.9% 1633578 ± 9% perf-stat.ps.node-store-misses 1.574e+12 -8.2% 1.444e+12 perf-stat.total.instructions 35.82 -10.1 25.74 perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify 35.35 -10.0 25.32 perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify 35.33 -10.0 25.31 perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 35.30 -10.0 25.29 perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 21.64 -6.5 15.14 perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 20.29 -6.1 14.15 perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 20.14 -6.1 14.04 perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 18.74 -5.8 12.98 perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 14.01 -2.0 11.98 perf-profile.calltrace.cycles-pp.write 13.62 -2.0 11.64 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write 13.56 -2.0 11.60 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 13.39 -2.0 11.43 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 13.24 -1.9 11.30 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 12.94 -1.9 11.08 perf-profile.calltrace.cycles-pp.pipe_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 7.78 ± 2% -1.8 5.93 perf-profile.calltrace.cycles-pp.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 7.03 ± 2% -1.6 5.42 ± 2% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary 3.00 ± 14% -1.5 1.50 ± 40% perf-profile.calltrace.cycles-pp.perf_session__process_events.record__finish_output.__cmd_record 3.02 ± 14% -1.5 1.51 ± 39% perf-profile.calltrace.cycles-pp.__cmd_record 3.01 ± 14% -1.5 1.50 ± 39% perf-profile.calltrace.cycles-pp.record__finish_output.__cmd_record 2.99 ± 14% -1.5 1.49 ± 40% perf-profile.calltrace.cycles-pp.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 4.96 -1.4 3.57 perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 4.88 -1.4 3.52 perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary 6.05 ± 2% -1.3 4.75 ± 2% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry 5.96 -1.3 4.68 perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write 6.18 -1.2 4.94 perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 5.73 -1.2 4.50 perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write 4.84 ± 2% -1.0 3.87 ± 2% perf-profile.calltrace.cycles-pp.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle 4.75 ± 2% -1.0 3.80 ± 2% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue 4.28 ± 3% -0.9 3.37 ± 3% perf-profile.calltrace.cycles-pp.dequeue_task_fair.__schedule.schedule.pipe_read.vfs_read 11.45 ± 3% -0.9 10.56 ± 2% perf-profile.calltrace.cycles-pp.schedule.pipe_read.vfs_read.ksys_read.do_syscall_64 4.05 ± 3% -0.9 3.18 ± 2% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue 3.94 ± 3% -0.9 3.08 ± 3% perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_task_fair.__schedule.schedule.pipe_read 11.15 ± 3% -0.8 10.30 ± 2% perf-profile.calltrace.cycles-pp.__schedule.schedule.pipe_read.vfs_read.ksys_read 3.63 ± 3% -0.8 2.82 ± 3% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending 1.34 ± 14% -0.8 0.55 ± 78% perf-profile.calltrace.cycles-pp.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 1.34 ± 14% -0.8 0.55 ± 78% perf-profile.calltrace.cycles-pp.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events.record__finish_output 1.10 ± 14% -0.8 0.32 ±104% perf-profile.calltrace.cycles-pp.process_simple.reader__read_event.perf_session__process_events.record__finish_output.__cmd_record 1.31 ± 14% -0.8 0.54 ± 78% perf-profile.calltrace.cycles-pp.perf_session__deliver_event.__ordered_events__flush.perf_session__process_user_event.reader__read_event.perf_session__process_events 1.62 ± 4% -0.6 1.06 ± 4% perf-profile.calltrace.cycles-pp.update_cfs_group.dequeue_entity.dequeue_task_fair.__schedule.schedule 2.04 -0.6 1.49 perf-profile.calltrace.cycles-pp.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock 1.39 ± 4% -0.5 0.91 ± 3% perf-profile.calltrace.cycles-pp.update_cfs_group.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate 1.66 -0.4 1.24 perf-profile.calltrace.cycles-pp.__smp_call_single_queue.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function.__wake_up_common 1.12 -0.4 0.71 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.__schedule.schedule_idle.do_idle.cpu_startup_entry 1.15 ± 3% -0.4 0.78 ± 4% perf-profile.calltrace.cycles-pp.prepare_task_switch.__schedule.schedule_idle.do_idle.cpu_startup_entry 0.85 ± 2% -0.3 0.57 ± 2% perf-profile.calltrace.cycles-pp.llist_reverse_order.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry 0.52 -0.3 0.25 ±100% perf-profile.calltrace.cycles-pp.finish_task_switch.__schedule.schedule.pipe_read.vfs_read 1.08 -0.3 0.82 perf-profile.calltrace.cycles-pp.llist_add_batch.__smp_call_single_queue.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function 1.17 ± 2% -0.2 0.92 ± 2% perf-profile.calltrace.cycles-pp.switch_mm_irqs_off.__schedule.schedule_idle.do_idle.cpu_startup_entry 0.78 ± 2% -0.2 0.54 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock 1.53 ± 3% -0.2 1.31 ± 4% perf-profile.calltrace.cycles-pp.update_load_avg.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate 0.90 ± 2% -0.2 0.68 ± 2% perf-profile.calltrace.cycles-pp.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 7.20 -0.2 7.00 perf-profile.calltrace.cycles-pp.__wake_up_common_lock.pipe_write.vfs_write.ksys_write.do_syscall_64 1.49 ± 2% -0.1 1.38 perf-profile.calltrace.cycles-pp.select_task_rq.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock 1.19 -0.1 1.09 perf-profile.calltrace.cycles-pp.__list_add_valid_or_report.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 0.67 -0.1 0.60 ± 3% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_write.vfs_write.ksys_write.do_syscall_64 0.62 -0.0 0.57 ± 2% perf-profile.calltrace.cycles-pp.sched_mm_cid_migrate_to.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue 0.81 +0.0 0.84 ± 2% perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_write.vfs_write.ksys_write.do_syscall_64 0.66 ± 2% +0.1 0.71 ± 2% perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 0.52 ± 2% +0.1 0.58 ± 2% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 1.04 +0.3 1.35 ± 2% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 1.24 +0.4 1.69 perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_read.vfs_read.ksys_read.do_syscall_64 0.00 +0.5 0.55 ± 3% perf-profile.calltrace.cycles-pp.select_idle_cpu.select_idle_sibling.select_task_rq_fair.select_task_rq.try_to_wake_up 0.00 +0.7 0.65 perf-profile.calltrace.cycles-pp.__list_del_entry_valid_or_report.finish_wait.pipe_read.vfs_read.ksys_read 12.14 +0.7 12.89 perf-profile.calltrace.cycles-pp.prepare_to_wait_event.pipe_read.vfs_read.ksys_read.do_syscall_64 2.97 +1.0 3.96 perf-profile.calltrace.cycles-pp.mutex_spin_on_owner.__mutex_lock.pipe_read.vfs_read.ksys_read 0.86 +1.0 1.86 ± 2% perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_write.vfs_write.ksys_write.do_syscall_64 0.83 ± 2% +1.1 1.88 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write 0.94 ± 2% +1.1 2.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 7.71 +1.1 8.80 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 6.43 +1.3 7.72 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read 0.00 +1.3 1.34 ± 2% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_write.vfs_write.ksys_write 2.92 +1.4 4.29 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read 3.37 +1.4 4.74 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read.do_syscall_64 2.55 +4.6 7.13 perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_read.vfs_read.ksys_read 4.79 +5.0 9.76 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read 4.96 +5.2 10.16 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read.ksys_read 5.30 +5.5 10.85 perf-profile.calltrace.cycles-pp.finish_wait.pipe_read.vfs_read.ksys_read.do_syscall_64 6.64 +6.6 13.20 perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 45.63 +13.8 59.44 perf-profile.calltrace.cycles-pp.read 43.85 +14.0 57.82 perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 43.66 +14.0 57.66 perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 44.60 +14.0 58.60 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 44.75 +14.0 58.75 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read 43.30 +14.1 57.37 perf-profile.calltrace.cycles-pp.pipe_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe 35.82 -10.1 25.74 perf-profile.children.cycles-pp.secondary_startup_64_no_verify 35.82 -10.1 25.74 perf-profile.children.cycles-pp.cpu_startup_entry 35.80 -10.1 25.72 perf-profile.children.cycles-pp.do_idle 35.35 -10.0 25.32 perf-profile.children.cycles-pp.start_secondary 21.94 -6.5 15.40 perf-profile.children.cycles-pp.cpuidle_idle_call 20.57 -6.2 14.38 perf-profile.children.cycles-pp.cpuidle_enter 20.46 -6.2 14.30 perf-profile.children.cycles-pp.cpuidle_enter_state 18.98 -5.8 13.19 perf-profile.children.cycles-pp.intel_idle 16.17 ± 2% -2.2 13.94 perf-profile.children.cycles-pp.__schedule 14.09 -2.1 12.04 perf-profile.children.cycles-pp.write 13.42 -2.0 11.45 perf-profile.children.cycles-pp.ksys_write 13.27 -1.9 11.32 perf-profile.children.cycles-pp.vfs_write 12.97 -1.9 11.10 perf-profile.children.cycles-pp.pipe_write 7.88 -1.9 6.03 perf-profile.children.cycles-pp.flush_smp_call_function_queue 7.22 ± 2% -1.6 5.59 perf-profile.children.cycles-pp.__flush_smp_call_function_queue 3.04 ± 14% -1.5 1.53 ± 39% perf-profile.children.cycles-pp.__cmd_record 3.01 ± 14% -1.5 1.50 ± 39% perf-profile.children.cycles-pp.record__finish_output 3.01 ± 14% -1.5 1.50 ± 39% perf-profile.children.cycles-pp.perf_session__process_events 3.00 ± 14% -1.5 1.50 ± 39% perf-profile.children.cycles-pp.reader__read_event 5.04 -1.4 3.64 perf-profile.children.cycles-pp.schedule_idle 6.20 ± 2% -1.3 4.89 ± 2% perf-profile.children.cycles-pp.sched_ttwu_pending 5.96 -1.3 4.68 perf-profile.children.cycles-pp.autoremove_wake_function 6.19 -1.2 4.94 perf-profile.children.cycles-pp.__wake_up_common 5.75 -1.2 4.52 perf-profile.children.cycles-pp.try_to_wake_up 3.09 ± 4% -1.0 2.06 ± 4% perf-profile.children.cycles-pp.update_cfs_group 4.98 ± 2% -1.0 3.99 ± 2% perf-profile.children.cycles-pp.ttwu_do_activate 4.89 ± 2% -1.0 3.94 ± 2% perf-profile.children.cycles-pp.activate_task 5.70 -0.9 4.78 perf-profile.children.cycles-pp._raw_spin_lock_irq 4.23 ± 3% -0.9 3.33 ± 2% perf-profile.children.cycles-pp.enqueue_task_fair 11.47 ± 3% -0.9 10.57 ± 2% perf-profile.children.cycles-pp.schedule 4.31 ± 3% -0.9 3.41 ± 3% perf-profile.children.cycles-pp.dequeue_task_fair 4.00 ± 3% -0.8 3.15 ± 3% perf-profile.children.cycles-pp.dequeue_entity 3.78 ± 3% -0.8 2.96 ± 3% perf-profile.children.cycles-pp.enqueue_entity 1.34 ± 14% -0.7 0.68 ± 39% perf-profile.children.cycles-pp.perf_session__process_user_event 1.34 ± 14% -0.7 0.69 ± 39% perf-profile.children.cycles-pp.__ordered_events__flush 1.32 ± 14% -0.6 0.68 ± 39% perf-profile.children.cycles-pp.perf_session__deliver_event 1.10 ± 15% -0.6 0.50 ± 36% perf-profile.children.cycles-pp.process_simple 2.05 -0.6 1.50 perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.95 ± 16% -0.5 0.47 ± 45% perf-profile.children.cycles-pp.evlist__parse_sample 0.80 ± 16% -0.5 0.34 ± 34% perf-profile.children.cycles-pp.ordered_events__queue 0.78 ± 16% -0.5 0.32 ± 33% perf-profile.children.cycles-pp.queue_event 1.66 -0.4 1.24 perf-profile.children.cycles-pp.__smp_call_single_queue 1.65 ± 2% -0.4 1.23 ± 3% perf-profile.children.cycles-pp.prepare_task_switch 0.82 ± 16% -0.4 0.43 ± 44% perf-profile.children.cycles-pp.evsel__parse_sample 2.08 ± 2% -0.4 1.70 ± 3% perf-profile.children.cycles-pp._raw_spin_lock 3.20 ± 3% -0.4 2.82 ± 4% perf-profile.children.cycles-pp.update_load_avg 0.69 ± 8% -0.3 0.36 ± 21% perf-profile.children.cycles-pp.perf_trace_sched_wakeup_template 0.86 ± 2% -0.3 0.59 ± 2% perf-profile.children.cycles-pp.llist_reverse_order 1.09 -0.3 0.83 perf-profile.children.cycles-pp.llist_add_batch 1.21 -0.2 0.96 ± 2% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.42 ± 8% -0.2 0.19 ± 2% perf-profile.children.cycles-pp.copy_page_from_iter 0.92 -0.2 0.70 perf-profile.children.cycles-pp.menu_select 0.38 ± 8% -0.2 0.17 ± 4% perf-profile.children.cycles-pp._copy_from_iter 7.22 -0.2 7.01 perf-profile.children.cycles-pp.__wake_up_common_lock 0.55 ± 2% -0.2 0.36 ± 4% perf-profile.children.cycles-pp.update_rq_clock_task 0.37 ± 9% -0.2 0.18 ± 20% perf-profile.children.cycles-pp.perf_tp_event 0.56 ± 2% -0.2 0.40 ± 2% perf-profile.children.cycles-pp.call_function_single_prep_ipi 0.94 ± 3% -0.1 0.80 ± 3% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.78 ± 3% -0.1 0.65 ± 2% perf-profile.children.cycles-pp.__switch_to 0.65 ± 3% -0.1 0.52 ± 2% perf-profile.children.cycles-pp.update_curr 0.42 -0.1 0.28 ± 2% perf-profile.children.cycles-pp.set_next_entity 0.40 ± 3% -0.1 0.28 ± 4% perf-profile.children.cycles-pp.native_sched_clock 0.73 -0.1 0.61 perf-profile.children.cycles-pp.__switch_to_asm 0.83 ± 2% -0.1 0.71 ± 3% perf-profile.children.cycles-pp.___perf_sw_event 1.22 -0.1 1.11 perf-profile.children.cycles-pp.__list_add_valid_or_report 1.49 ± 2% -0.1 1.39 perf-profile.children.cycles-pp.select_task_rq 0.37 ± 3% -0.1 0.26 ± 4% perf-profile.children.cycles-pp.sched_clock_cpu 0.22 ± 17% -0.1 0.12 ± 32% perf-profile.children.cycles-pp.build_id__mark_dso_hit 0.32 ± 3% -0.1 0.23 ± 3% perf-profile.children.cycles-pp.sched_clock 0.32 -0.1 0.22 ± 3% perf-profile.children.cycles-pp.ktime_get 1.06 ± 2% -0.1 0.98 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.29 ± 2% -0.1 0.22 ± 3% perf-profile.children.cycles-pp.update_rq_clock 0.97 ± 2% -0.1 0.90 perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.21 ± 5% -0.1 0.14 perf-profile.children.cycles-pp.tick_nohz_idle_enter 0.12 ± 20% -0.1 0.05 ± 72% perf-profile.children.cycles-pp.machines__deliver_event 0.22 ± 4% -0.1 0.15 ± 3% perf-profile.children.cycles-pp.__entry_text_start 0.27 ± 3% -0.1 0.20 ± 2% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length 0.18 ± 4% -0.1 0.12 perf-profile.children.cycles-pp.read_tsc 0.20 ± 2% -0.1 0.14 ± 3% perf-profile.children.cycles-pp.security_file_permission 0.18 ± 5% -0.1 0.12 ± 3% perf-profile.children.cycles-pp.__wrgsbase_inactive 0.10 ± 13% -0.1 0.04 ± 75% perf-profile.children.cycles-pp.machine__findnew_thread 0.18 ± 2% -0.1 0.13 ± 6% perf-profile.children.cycles-pp.tick_nohz_idle_exit 0.09 ± 13% -0.1 0.04 ± 72% perf-profile.children.cycles-pp.handle_mm_fault 0.08 ± 21% -0.1 0.03 ±100% perf-profile.children.cycles-pp.perf_env__arch 0.18 ± 2% -0.1 0.13 ± 5% perf-profile.children.cycles-pp.cpuidle_governor_latency_req 0.70 ± 2% -0.1 0.64 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.70 ± 2% -0.1 0.64 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.09 ± 14% -0.1 0.04 ± 72% perf-profile.children.cycles-pp.perf_trace_sched_stat_runtime 0.18 ± 4% -0.1 0.12 ± 4% perf-profile.children.cycles-pp.intel_idle_irq 0.13 ± 11% -0.1 0.08 ± 21% perf-profile.children.cycles-pp.perf_trace_buf_update 0.61 ± 2% -0.0 0.56 ± 2% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.80 ± 2% -0.0 0.75 perf-profile.children.cycles-pp.available_idle_cpu 0.17 ± 20% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.copyin 0.08 ± 13% -0.0 0.04 ± 71% perf-profile.children.cycles-pp.do_fault 0.64 -0.0 0.59 ± 2% perf-profile.children.cycles-pp.sched_mm_cid_migrate_to 0.29 ± 4% -0.0 0.25 ± 8% perf-profile.children.cycles-pp.__update_load_avg_se 0.15 ± 4% -0.0 0.10 ± 4% perf-profile.children.cycles-pp.local_clock_noinstr 0.10 ± 14% -0.0 0.05 ± 47% perf-profile.children.cycles-pp.exc_page_fault 0.10 ± 14% -0.0 0.05 ± 47% perf-profile.children.cycles-pp.do_user_addr_fault 0.08 ± 14% -0.0 0.04 ± 71% perf-profile.children.cycles-pp.do_read_fault 0.19 ± 2% -0.0 0.15 ± 3% perf-profile.children.cycles-pp.reweight_entity 0.08 ± 20% -0.0 0.04 ± 72% perf-profile.children.cycles-pp.thread__find_map 0.16 ± 4% -0.0 0.12 ± 4% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.12 ± 10% -0.0 0.08 ± 22% perf-profile.children.cycles-pp.tracing_gen_ctx_irq_test 0.16 ± 4% -0.0 0.12 ± 5% perf-profile.children.cycles-pp.apparmor_file_permission 0.23 ± 4% -0.0 0.19 ± 4% perf-profile.children.cycles-pp.perf_event_task_tick 0.22 ± 6% -0.0 0.19 ± 3% perf-profile.children.cycles-pp.perf_adjust_freq_unthr_context 0.20 ± 2% -0.0 0.17 ± 4% perf-profile.children.cycles-pp.__cgroup_account_cputime 0.13 ± 3% -0.0 0.09 ± 6% perf-profile.children.cycles-pp.get_cpu_device 0.11 ± 6% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.ct_idle_exit 0.15 ± 4% -0.0 0.12 ± 4% perf-profile.children.cycles-pp.tick_nohz_next_event 0.20 ± 3% -0.0 0.16 ± 4% perf-profile.children.cycles-pp.__fdget_pos 0.11 -0.0 0.08 ± 6% perf-profile.children.cycles-pp.touch_atime 0.10 -0.0 0.07 ± 5% perf-profile.children.cycles-pp.atime_needs_update 0.10 -0.0 0.07 ± 5% perf-profile.children.cycles-pp.__rdgsbase_inactive 0.06 ± 7% -0.0 0.03 ± 70% perf-profile.children.cycles-pp.inode_needs_update_time 0.18 ± 4% -0.0 0.14 ± 3% perf-profile.children.cycles-pp.__fget_light 0.10 ± 4% -0.0 0.07 ± 7% perf-profile.children.cycles-pp.call_cpuidle 0.10 ± 3% -0.0 0.07 ± 10% perf-profile.children.cycles-pp.sched_clock_idle_wakeup_event 0.09 ± 7% -0.0 0.06 perf-profile.children.cycles-pp.ct_kernel_exit_state 0.09 ± 7% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.ct_kernel_enter 0.08 ± 5% -0.0 0.06 perf-profile.children.cycles-pp.__dequeue_entity 0.10 ± 6% -0.0 0.08 ± 6% perf-profile.children.cycles-pp.get_next_timer_interrupt 0.09 ± 4% -0.0 0.07 ± 5% perf-profile.children.cycles-pp.cpuidle_get_cpu_driver 0.16 ± 6% -0.0 0.13 ± 8% perf-profile.children.cycles-pp.avg_vruntime 0.18 ± 3% -0.0 0.16 ± 6% perf-profile.children.cycles-pp.nohz_run_idle_balance 0.12 -0.0 0.10 ± 6% perf-profile.children.cycles-pp.place_entity 0.08 ± 4% -0.0 0.06 ± 9% perf-profile.children.cycles-pp.__calc_delta 0.15 ± 6% -0.0 0.13 ± 5% perf-profile.children.cycles-pp.exit_to_user_mode_loop 0.08 ± 8% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.hrtimer_next_event_without 0.07 ± 8% -0.0 0.05 ± 7% perf-profile.children.cycles-pp.pick_eevdf 0.11 ± 5% -0.0 0.09 ± 4% perf-profile.children.cycles-pp.wake_affine 0.08 ± 8% -0.0 0.06 ± 6% perf-profile.children.cycles-pp.file_update_time 0.08 ± 6% -0.0 0.06 perf-profile.children.cycles-pp.cpus_share_cache 0.13 ± 2% +0.0 0.15 ± 3% perf-profile.children.cycles-pp.syscall_enter_from_user_mode 0.06 ± 11% +0.0 0.09 ± 8% perf-profile.children.cycles-pp.task_tick_fair 0.30 ± 3% +0.0 0.32 ± 2% perf-profile.children.cycles-pp.remove_entity_load_avg 0.07 ± 10% +0.0 0.09 ± 13% perf-profile.children.cycles-pp._find_next_bit 0.26 ± 10% +0.0 0.30 ± 5% perf-profile.children.cycles-pp.cpu_util 0.25 +0.0 0.28 ± 4% perf-profile.children.cycles-pp.restore_fpregs_from_fpstate 0.03 ±100% +0.1 0.08 ± 22% perf-profile.children.cycles-pp.perf_swevent_event 0.41 +0.1 0.47 ± 2% perf-profile.children.cycles-pp.switch_fpu_return 0.40 ± 7% +0.1 0.51 ± 6% perf-profile.children.cycles-pp.idle_cpu 0.35 ± 6% +0.2 0.56 ± 4% perf-profile.children.cycles-pp.select_idle_cpu 1.72 +0.2 1.96 ± 2% perf-profile.children.cycles-pp.mutex_lock 0.27 +0.3 0.55 perf-profile.children.cycles-pp.osq_unlock 0.55 +0.3 0.84 perf-profile.children.cycles-pp.__list_del_entry_valid_or_report 2.06 +0.5 2.54 perf-profile.children.cycles-pp.mutex_unlock 12.16 +0.7 12.91 perf-profile.children.cycles-pp.prepare_to_wait_event 3.02 +1.0 4.03 perf-profile.children.cycles-pp.mutex_spin_on_owner 3.02 ± 2% +5.5 8.48 perf-profile.children.cycles-pp.osq_lock 5.31 +5.6 10.86 perf-profile.children.cycles-pp.finish_wait 16.99 +6.7 23.71 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 14.52 +7.1 21.63 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 7.51 +7.6 15.08 perf-profile.children.cycles-pp.__mutex_lock 58.54 +12.0 70.56 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 58.36 +12.0 70.39 perf-profile.children.cycles-pp.do_syscall_64 45.74 +13.8 59.49 perf-profile.children.cycles-pp.read 43.86 +14.0 57.82 perf-profile.children.cycles-pp.ksys_read 43.68 +14.0 57.67 perf-profile.children.cycles-pp.vfs_read 43.36 +14.1 57.42 perf-profile.children.cycles-pp.pipe_read 18.98 -5.8 13.18 perf-profile.self.cycles-pp.intel_idle 3.08 ± 4% -1.0 2.05 ± 4% perf-profile.self.cycles-pp.update_cfs_group 0.77 ± 16% -0.5 0.32 ± 33% perf-profile.self.cycles-pp.queue_event 2.04 ± 2% -0.4 1.64 ± 2% perf-profile.self.cycles-pp._raw_spin_lock 0.82 ± 16% -0.4 0.42 ± 45% perf-profile.self.cycles-pp.evsel__parse_sample 0.80 -0.3 0.49 ± 3% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.90 ± 4% -0.3 0.60 ± 6% perf-profile.self.cycles-pp.prepare_task_switch 0.86 -0.3 0.59 ± 2% perf-profile.self.cycles-pp.llist_reverse_order 1.08 -0.3 0.82 perf-profile.self.cycles-pp.llist_add_batch 3.16 -0.2 2.91 perf-profile.self.cycles-pp.prepare_to_wait_event 1.19 -0.2 0.95 ± 2% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.72 -0.2 0.49 perf-profile.self.cycles-pp.flush_smp_call_function_queue 1.83 ± 3% -0.2 1.62 ± 4% perf-profile.self.cycles-pp.update_load_avg 2.47 -0.2 2.26 perf-profile.self.cycles-pp._raw_spin_lock_irqsave 1.52 -0.2 1.31 ± 2% perf-profile.self.cycles-pp.__schedule 0.54 ± 3% -0.2 0.35 ± 4% perf-profile.self.cycles-pp.update_rq_clock_task 0.21 ± 2% -0.2 0.04 ± 71% perf-profile.self.cycles-pp._copy_from_iter 0.55 ± 2% -0.1 0.40 ± 2% perf-profile.self.cycles-pp.call_function_single_prep_ipi 0.76 ± 2% -0.1 0.62 ± 3% perf-profile.self.cycles-pp.___perf_sw_event 0.24 ± 8% -0.1 0.10 ± 19% perf-profile.self.cycles-pp.perf_tp_event 0.92 ± 4% -0.1 0.79 ± 3% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.76 ± 2% -0.1 0.64 perf-profile.self.cycles-pp.__switch_to 0.34 -0.1 0.22 ± 3% perf-profile.self.cycles-pp.ttwu_queue_wakelist 0.50 ± 7% -0.1 0.38 ± 5% perf-profile.self.cycles-pp.enqueue_task_fair 0.72 -0.1 0.61 perf-profile.self.cycles-pp.__switch_to_asm 0.39 ± 2% -0.1 0.28 ± 4% perf-profile.self.cycles-pp.native_sched_clock 1.21 -0.1 1.10 perf-profile.self.cycles-pp.__list_add_valid_or_report 0.24 ± 6% -0.1 0.14 ± 22% perf-profile.self.cycles-pp.perf_trace_sched_wakeup_template 0.12 ± 14% -0.1 0.03 ±103% perf-profile.self.cycles-pp.evlist__parse_sample 0.59 ± 2% -0.1 0.50 ± 2% perf-profile.self.cycles-pp.pipe_write 0.44 ± 2% -0.1 0.35 perf-profile.self.cycles-pp.menu_select 0.33 ± 3% -0.1 0.25 ± 3% perf-profile.self.cycles-pp.sched_ttwu_pending 0.24 ± 2% -0.1 0.16 ± 6% perf-profile.self.cycles-pp.do_idle 0.11 ± 8% -0.1 0.04 ± 72% perf-profile.self.cycles-pp.select_task_rq 0.17 ± 5% -0.1 0.12 ± 4% perf-profile.self.cycles-pp.__wrgsbase_inactive 0.29 -0.1 0.23 ± 4% perf-profile.self.cycles-pp.dequeue_task_fair 0.17 ± 2% -0.1 0.12 ± 3% perf-profile.self.cycles-pp.read_tsc 0.08 ± 21% -0.1 0.03 ±100% perf-profile.self.cycles-pp.perf_env__arch 0.09 ± 11% -0.1 0.04 ± 72% perf-profile.self.cycles-pp.perf_trace_sched_stat_runtime 0.16 ± 3% -0.1 0.11 perf-profile.self.cycles-pp.cpuidle_idle_call 0.28 ± 3% -0.0 0.24 ± 6% perf-profile.self.cycles-pp.dequeue_entity 0.17 ± 5% -0.0 0.12 ± 4% perf-profile.self.cycles-pp.cpuidle_enter_state 0.17 ± 22% -0.0 0.12 perf-profile.self.cycles-pp.copyin 0.64 -0.0 0.59 ± 2% perf-profile.self.cycles-pp.sched_mm_cid_migrate_to 0.16 ± 4% -0.0 0.11 ± 5% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.13 ± 3% -0.0 0.09 ± 7% perf-profile.self.cycles-pp.vfs_write 0.46 -0.0 0.42 ± 5% perf-profile.self.cycles-pp.finish_task_switch 0.21 ± 11% -0.0 0.17 ± 4% perf-profile.self.cycles-pp.update_curr 0.19 -0.0 0.15 ± 3% perf-profile.self.cycles-pp.reweight_entity 0.15 -0.0 0.11 ± 6% perf-profile.self.cycles-pp.__flush_smp_call_function_queue 0.12 ± 10% -0.0 0.08 ± 22% perf-profile.self.cycles-pp.tracing_gen_ctx_irq_test 0.26 -0.0 0.22 ± 6% perf-profile.self.cycles-pp.schedule 0.12 ± 4% -0.0 0.08 ± 4% perf-profile.self.cycles-pp.intel_idle_irq 0.12 ± 5% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.get_cpu_device 0.10 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.call_cpuidle 0.10 ± 4% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.__rdgsbase_inactive 0.14 ± 6% -0.0 0.11 ± 7% perf-profile.self.cycles-pp.ktime_get 0.10 ± 4% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.cpuidle_enter 0.12 ± 4% -0.0 0.08 ± 5% perf-profile.self.cycles-pp.apparmor_file_permission 0.16 ± 2% -0.0 0.13 ± 5% perf-profile.self.cycles-pp.try_to_wake_up 0.06 ± 6% -0.0 0.03 ± 70% perf-profile.self.cycles-pp.__dequeue_entity 0.07 ± 5% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.__entry_text_start 0.08 ± 5% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.ct_kernel_exit_state 0.19 ± 4% -0.0 0.17 ± 4% perf-profile.self.cycles-pp.vfs_read 0.17 ± 5% -0.0 0.14 ± 3% perf-profile.self.cycles-pp.__fget_light 0.24 ± 3% -0.0 0.21 ± 5% perf-profile.self.cycles-pp.select_idle_sibling 0.11 ± 4% -0.0 0.08 ± 4% perf-profile.self.cycles-pp.select_task_rq_fair 0.09 -0.0 0.06 ± 7% perf-profile.self.cycles-pp.sched_clock_idle_wakeup_event 0.10 ± 8% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.pick_next_task_fair 0.09 -0.0 0.07 ± 7% perf-profile.self.cycles-pp.cpuidle_get_cpu_driver 0.11 ± 8% -0.0 0.08 ± 16% perf-profile.self.cycles-pp.cgroup_rstat_updated 0.28 ± 4% -0.0 0.26 ± 4% perf-profile.self.cycles-pp.enqueue_entity 0.10 ± 6% -0.0 0.08 perf-profile.self.cycles-pp.perf_adjust_freq_unthr_context 0.08 ± 6% -0.0 0.06 ± 8% perf-profile.self.cycles-pp.__calc_delta 0.07 ± 6% -0.0 0.06 ± 9% perf-profile.self.cycles-pp.cpus_share_cache 0.17 ± 4% -0.0 0.15 ± 6% perf-profile.self.cycles-pp.nohz_run_idle_balance 0.09 ± 5% -0.0 0.08 ± 4% perf-profile.self.cycles-pp.update_rq_clock 0.10 ± 7% -0.0 0.08 ± 8% perf-profile.self.cycles-pp.__cgroup_account_cputime 0.06 ± 7% -0.0 0.05 perf-profile.self.cycles-pp.pick_eevdf 0.06 ± 7% -0.0 0.05 ± 7% perf-profile.self.cycles-pp.ttwu_do_activate 0.08 ± 6% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.poll_idle 0.13 ± 3% +0.0 0.15 ± 5% perf-profile.self.cycles-pp.syscall_enter_from_user_mode 0.16 ± 3% +0.0 0.18 ± 3% perf-profile.self.cycles-pp.switch_fpu_return 0.06 ± 11% +0.0 0.09 ± 11% perf-profile.self.cycles-pp._find_next_bit 0.06 ± 6% +0.0 0.09 ± 5% perf-profile.self.cycles-pp.select_idle_cpu 0.25 +0.0 0.28 ± 3% perf-profile.self.cycles-pp.restore_fpregs_from_fpstate 0.22 ± 2% +0.0 0.26 ± 3% perf-profile.self.cycles-pp.__wake_up_common 0.24 ± 8% +0.0 0.28 ± 5% perf-profile.self.cycles-pp.cpu_util 0.02 ±141% +0.1 0.07 ± 25% perf-profile.self.cycles-pp.perf_swevent_event 0.40 ± 7% +0.1 0.50 ± 6% perf-profile.self.cycles-pp.idle_cpu 1.66 +0.2 1.90 ± 2% perf-profile.self.cycles-pp.mutex_lock 0.26 +0.3 0.54 ± 2% perf-profile.self.cycles-pp.osq_unlock 0.54 ± 2% +0.3 0.83 perf-profile.self.cycles-pp.__list_del_entry_valid_or_report 2.03 +0.5 2.51 perf-profile.self.cycles-pp.mutex_unlock 1.19 +0.8 1.99 perf-profile.self.cycles-pp.__mutex_lock 3.00 +1.0 4.00 perf-profile.self.cycles-pp.mutex_spin_on_owner 3.01 ± 2% +5.4 8.44 perf-profile.self.cycles-pp.osq_lock 16.97 +6.7 23.69 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath *************************************************************************************************** lkp-csl-d02: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory ========================================================================================= class/compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: memory/gcc-12/performance/x86_64-rhel-8.3/1/debian-11.1-x86_64-20220510.cgz/lkp-csl-d02/pipeherd/stress-ng/60s commit: c2da67ba32 ("fs/pipe: move check to pipe_has_watch_queue()") cc03a5d65a ("fs/pipe: remove unnecessary spinlock from pipe_write()") c2da67ba32de1205 cc03a5d65a4032f8c5394092734 ---------------- --------------------------- %stddev %change %stddev \ | \ 41263002 -31.9% 28090525 ± 3% cpuidle..usage 6.68 +4.1 10.73 ± 8% mpstat.cpu.all.sys% 6363 ± 7% +27.7% 8129 ± 14% perf-c2c.HITM.local 2.94 +53.9% 4.52 ± 6% vmstat.procs.r 1200914 -33.7% 796488 ± 3% vmstat.system.cs 1027306 -17.1% 851649 ± 3% meminfo.Active 1027163 -17.1% 851501 ± 3% meminfo.Active(anon) 1175787 -15.3% 996307 ± 3% meminfo.Shmem 640740 -34.2% 421613 ± 4% stress-ng.pipeherd.context_switches_per_sec 38435052 -34.2% 25283532 ± 4% stress-ng.pipeherd.ops 640459 -34.2% 421306 ± 4% stress-ng.pipeherd.ops_per_sec 9121 ± 5% +37.8% 12565 ± 10% stress-ng.time.involuntary_context_switches 260.67 +54.9% 403.83 ± 8% stress-ng.time.percent_of_cpu_this_job_got 157.63 +56.9% 247.39 ± 8% stress-ng.time.system_time 38435368 -34.2% 25284435 ± 4% stress-ng.time.voluntary_context_switches 256797 -17.1% 212877 ± 3% proc-vmstat.nr_active_anon 980499 -4.6% 935621 proc-vmstat.nr_file_pages 32157 -7.5% 29729 ± 2% proc-vmstat.nr_mapped 293962 -15.3% 249082 ± 3% proc-vmstat.nr_shmem 256797 -17.1% 212877 ± 3% proc-vmstat.nr_zone_active_anon 659800 -9.7% 596114 proc-vmstat.numa_hit 659800 -9.6% 596130 proc-vmstat.numa_local 325950 -2.8% 316752 ± 2% proc-vmstat.pgactivate 690432 -9.2% 626933 proc-vmstat.pgalloc_normal 467.67 +22.2% 571.50 ± 5% turbostat.Avg_MHz 12.35 +2.8 15.11 ± 5% turbostat.Busy% 13578516 ± 2% -67.1% 4469624 ± 9% turbostat.C1 22.17 -12.6 9.54 ± 8% turbostat.C1% 27449797 -14.7% 23403867 ± 2% turbostat.C1E 61.09 +9.0 70.10 turbostat.C1E% 0.18 ± 2% -33.0% 0.12 ± 5% turbostat.IPC 87822 -27.9% 63321 ± 2% turbostat.POLL 0.07 ± 7% -0.0 0.04 ± 11% turbostat.POLL% 11894 +70.3% 20253 ± 11% sched_debug.cfs_rq:/.avg_vruntime.avg 32868 ± 2% +29.3% 42488 ± 7% sched_debug.cfs_rq:/.avg_vruntime.max 7652 ± 2% +106.7% 15819 ± 14% sched_debug.cfs_rq:/.avg_vruntime.min 11894 +70.3% 20253 ± 11% sched_debug.cfs_rq:/.min_vruntime.avg 32868 ± 2% +29.3% 42488 ± 7% sched_debug.cfs_rq:/.min_vruntime.max 7652 ± 2% +106.7% 15819 ± 14% sched_debug.cfs_rq:/.min_vruntime.min 1042949 -33.1% 697944 ± 3% sched_debug.cpu.nr_switches.avg 1196298 -35.9% 766842 ± 4% sched_debug.cpu.nr_switches.max 908550 ± 2% -30.6% 630908 ± 4% sched_debug.cpu.nr_switches.min 68138 ± 5% -57.2% 29178 ± 15% sched_debug.cpu.nr_switches.stddev 0.00 ± 10% +84.6% 0.01 ± 31% perf-sched.sch_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.00 +100.0% 0.00 perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.01 ± 22% +108.8% 0.01 ± 45% perf-sched.sch_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64 0.02 ± 14% +63.3% 0.04 ± 16% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.49 +19.4% 0.59 ± 3% perf-sched.total_wait_and_delay.average.ms 1861307 -16.3% 1558477 ± 3% perf-sched.total_wait_and_delay.count.ms 3006 +30.3% 3916 ± 10% perf-sched.total_wait_and_delay.max.ms 0.49 +19.5% 0.58 ± 3% perf-sched.total_wait_time.average.ms 3006 +30.3% 3916 ± 10% perf-sched.total_wait_time.max.ms 4.44 ± 71% +599.6% 31.09 ±113% perf-sched.wait_and_delay.avg.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 0.30 +19.3% 0.36 ± 3% perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 154.24 ± 5% -23.3% 118.32 ± 9% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 4.00 -91.7% 0.33 ±141% perf-sched.wait_and_delay.count.__cond_resched.mutex_lock.__fdget_pos.ksys_write.do_syscall_64 1782997 -17.0% 1479460 ± 3% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 1200 ± 5% +34.0% 1609 ± 9% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 19.53 ± 55% -87.6% 2.43 ±169% perf-sched.wait_and_delay.max.ms.__cond_resched.mutex_lock.__fdget_pos.ksys_write.do_syscall_64 11.58 ± 73% +598.3% 80.85 ± 98% perf-sched.wait_and_delay.max.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 2338 ± 20% +56.9% 3669 ± 12% perf-sched.wait_and_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.27 ± 4% +15.9% 0.31 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read 4.44 ± 71% +599.6% 31.09 ±113% perf-sched.wait_time.avg.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 0.27 +13.6% 0.31 ± 8% perf-sched.wait_time.avg.ms.__cond_resched.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode 0.30 +19.4% 0.36 ± 3% perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 154.16 ± 5% -23.3% 118.28 ± 9% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.29 +25.9% 0.37 ± 9% perf-sched.wait_time.max.ms.__cond_resched.__mutex_lock.constprop.0.pipe_read 19.53 ± 55% -87.6% 2.43 ±168% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock.__fdget_pos.ksys_write.do_syscall_64 0.34 ± 6% +28.0% 0.44 ± 22% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read 0.28 ± 2% +37.2% 0.39 ± 19% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock.pipe_write.vfs_write.ksys_write 0.30 +30.3% 0.39 ± 7% perf-sched.wait_time.max.ms.__cond_resched.pipe_read.vfs_read.ksys_read.do_syscall_64 11.58 ± 73% +598.3% 80.85 ± 98% perf-sched.wait_time.max.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 0.28 +27.3% 0.35 ± 7% perf-sched.wait_time.max.ms.__cond_resched.task_work_run.exit_to_user_mode_loop.exit_to_user_mode_prepare.syscall_exit_to_user_mode 0.31 +57.9% 0.49 ± 31% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_read 0.28 ± 4% +27.4% 0.35 ± 8% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_write 2338 ± 20% +56.9% 3669 ± 12% perf-sched.wait_time.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 1.894e+09 -16.5% 1.582e+09 perf-stat.i.branch-instructions 1.79 +0.2 2.00 perf-stat.i.branch-miss-rate% 34430485 -5.8% 32433729 perf-stat.i.branch-misses 2.96 ± 2% -0.5 2.46 ± 8% perf-stat.i.cache-miss-rate% 2065706 -11.6% 1826870 perf-stat.i.cache-misses 92392172 ± 2% +17.3% 1.084e+08 ± 14% perf-stat.i.cache-references 1260156 -33.4% 838779 ± 3% perf-stat.i.context-switches 2.01 +50.1% 3.01 ± 5% perf-stat.i.cpi 1.75e+10 +20.3% 2.105e+10 ± 5% perf-stat.i.cpu-cycles 14454 +19.2% 17229 ± 8% perf-stat.i.cpu-migrations 246142 ± 6% +21.5% 299091 ± 9% perf-stat.i.cycles-between-cache-misses 1195574 -20.8% 946957 ± 5% perf-stat.i.dTLB-load-misses 2.43e+09 -19.2% 1.963e+09 perf-stat.i.dTLB-loads 0.00 ± 9% +0.0 0.01 ± 12% perf-stat.i.dTLB-store-miss-rate% 1.362e+09 -26.3% 1.004e+09 ± 2% perf-stat.i.dTLB-stores 35.73 +1.4 37.17 perf-stat.i.iTLB-load-miss-rate% 5293780 -22.0% 4130730 ± 4% perf-stat.i.iTLB-load-misses 9567612 -27.7% 6918328 ± 3% perf-stat.i.iTLB-loads 9.27e+09 -17.5% 7.646e+09 perf-stat.i.instructions 2114 +4.4% 2207 ± 4% perf-stat.i.instructions-per-iTLB-miss 0.54 -29.2% 0.38 ± 4% perf-stat.i.ipc 0.49 +20.3% 0.58 ± 5% perf-stat.i.metric.GHz 332.54 -25.5% 247.76 ± 3% perf-stat.i.metric.K/sec 160.46 -19.4% 129.35 perf-stat.i.metric.M/sec 2888 -2.5% 2817 perf-stat.i.minor-faults 263034 ± 2% -11.7% 232290 ± 4% perf-stat.i.node-stores 2889 -2.5% 2817 perf-stat.i.page-faults 0.22 ± 2% +7.2% 0.24 perf-stat.overall.MPKI 1.82 +0.2 2.05 perf-stat.overall.branch-miss-rate% 2.24 ± 3% -0.5 1.72 ± 13% perf-stat.overall.cache-miss-rate% 1.89 +45.9% 2.75 ± 5% perf-stat.overall.cpi 8465 +36.2% 11529 ± 7% perf-stat.overall.cycles-between-cache-misses 0.00 ± 9% +0.0 0.01 ± 13% perf-stat.overall.dTLB-store-miss-rate% 35.62 +1.8 37.38 perf-stat.overall.iTLB-load-miss-rate% 0.53 -31.3% 0.36 ± 5% perf-stat.overall.ipc 1.864e+09 -16.5% 1.557e+09 perf-stat.ps.branch-instructions 33895543 -5.8% 31931731 perf-stat.ps.branch-misses 2034769 -11.6% 1799223 perf-stat.ps.cache-misses 90927826 ± 2% +17.3% 1.066e+08 ± 14% perf-stat.ps.cache-references 1240065 -33.4% 825430 ± 3% perf-stat.ps.context-switches 1.722e+10 +20.3% 2.072e+10 ± 5% perf-stat.ps.cpu-cycles 14224 +19.2% 16955 ± 8% perf-stat.ps.cpu-migrations 1176661 -20.8% 932029 ± 5% perf-stat.ps.dTLB-load-misses 2.391e+09 -19.2% 1.932e+09 perf-stat.ps.dTLB-loads 1.34e+09 -26.2% 9.885e+08 ± 2% perf-stat.ps.dTLB-stores 5209751 -22.0% 4065298 ± 4% perf-stat.ps.iTLB-load-misses 9415103 -27.7% 6808264 ± 3% perf-stat.ps.iTLB-loads 9.124e+09 -17.5% 7.526e+09 perf-stat.ps.instructions 2843 -2.5% 2773 perf-stat.ps.minor-faults 258957 ± 2% -11.7% 228693 ± 4% perf-stat.ps.node-stores 2843 -2.5% 2773 perf-stat.ps.page-faults 5.757e+11 -17.3% 4.761e+11 perf-stat.total.instructions 68.49 -10.0 58.50 perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify 15.72 ± 2% -9.9 5.82 ± 10% perf-profile.calltrace.cycles-pp.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 66.24 -9.5 56.75 perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify 66.23 -9.5 56.74 perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 66.18 -9.5 56.71 perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 59.41 -6.5 52.94 perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 59.14 -6.0 53.10 perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 57.30 -5.7 51.58 perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 3.54 -1.6 1.94 ± 8% perf-profile.calltrace.cycles-pp.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 3.19 -1.4 1.74 ± 8% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary 3.19 ± 3% -1.2 1.95 ± 5% perf-profile.calltrace.cycles-pp.schedule.pipe_read.vfs_read.ksys_read.do_syscall_64 3.10 ± 3% -1.2 1.89 ± 4% perf-profile.calltrace.cycles-pp.__schedule.schedule.pipe_read.vfs_read.ksys_read 2.45 ± 2% -1.1 1.37 ± 8% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write 2.40 ± 2% -1.1 1.33 ± 8% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry 2.45 ± 2% -1.1 1.39 ± 6% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 7.85 ± 2% -1.0 6.81 ± 5% perf-profile.calltrace.cycles-pp.write 2.30 ± 2% -1.0 1.28 ± 7% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write 2.34 ± 2% -1.0 1.32 ± 6% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary 2.65 ± 2% -1.0 1.67 ± 7% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 7.52 -0.9 6.60 ± 5% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write 7.48 -0.9 6.58 ± 5% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 2.87 ± 2% -0.9 2.00 ± 2% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 7.36 -0.9 6.51 ± 5% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 7.22 -0.8 6.42 ± 5% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 6.90 -0.7 6.22 ± 4% perf-profile.calltrace.cycles-pp.pipe_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.50 ± 3% -0.6 0.85 ± 8% perf-profile.calltrace.cycles-pp.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle 1.48 ± 4% -0.6 0.86 ± 7% perf-profile.calltrace.cycles-pp.dequeue_task_fair.__schedule.schedule.pipe_read.vfs_read 1.40 ± 3% -0.6 0.79 ± 8% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue 1.33 ± 3% -0.6 0.74 ± 9% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue 1.08 ± 4% -0.6 0.50 ± 44% perf-profile.calltrace.cycles-pp.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock 1.32 ± 5% -0.5 0.78 ± 8% perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_task_fair.__schedule.schedule.pipe_read 1.61 -0.5 1.10 ± 9% perf-profile.calltrace.cycles-pp.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 1.16 ± 4% -0.5 0.66 ± 9% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending 0.66 ± 6% -0.1 0.56 ± 5% perf-profile.calltrace.cycles-pp.__list_add_valid_or_report.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 0.65 ± 7% +0.3 0.91 ± 4% perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_read.vfs_read.ksys_read.do_syscall_64 0.87 ± 5% +0.3 1.15 ± 4% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 1.76 ± 4% +0.9 2.64 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read.do_syscall_64 0.76 ± 5% +0.9 1.67 ± 6% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write 1.41 ± 2% +1.0 2.37 ± 3% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read 0.00 +1.0 0.96 ± 3% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_write.vfs_write.ksys_write 0.91 ± 6% +1.0 1.89 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 1.34 ± 4% +1.1 2.42 ± 2% perf-profile.calltrace.cycles-pp.mutex_spin_on_owner.__mutex_lock.pipe_read.vfs_read.ksys_read 0.37 ± 70% +1.2 1.53 ± 6% perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_write.vfs_write.ksys_write.do_syscall_64 6.65 +1.6 8.23 ± 5% perf-profile.calltrace.cycles-pp.prepare_to_wait_event.pipe_read.vfs_read.ksys_read.do_syscall_64 3.12 ± 4% +1.7 4.78 ± 14% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read 4.13 ± 2% +1.7 5.83 ± 9% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 2.43 ± 3% +3.6 6.04 ± 11% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read 2.80 ± 3% +3.7 6.48 ± 10% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read.ksys_read 3.02 ± 3% +3.9 6.96 ± 9% perf-profile.calltrace.cycles-pp.finish_wait.pipe_read.vfs_read.ksys_read.do_syscall_64 1.08 ± 10% +4.1 5.20 ± 15% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_read.vfs_read.ksys_read 40.77 +4.6 45.34 perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 3.43 ± 5% +6.1 9.48 ± 9% perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 22.76 +11.3 34.07 ± 4% perf-profile.calltrace.cycles-pp.read 21.84 +11.7 33.53 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read 21.74 +11.7 33.45 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 21.40 +11.8 33.17 ± 4% perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 21.30 +11.8 33.11 ± 4% perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 20.98 +11.9 32.91 ± 4% perf-profile.calltrace.cycles-pp.pipe_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe 17.26 ± 2% -10.3 6.92 ± 9% perf-profile.children.cycles-pp.intel_idle_irq 68.49 -10.0 58.50 perf-profile.children.cycles-pp.secondary_startup_64_no_verify 68.49 -10.0 58.50 perf-profile.children.cycles-pp.cpu_startup_entry 68.44 -10.0 58.47 perf-profile.children.cycles-pp.do_idle 66.24 -9.5 56.75 perf-profile.children.cycles-pp.start_secondary 61.41 -6.8 54.57 perf-profile.children.cycles-pp.cpuidle_idle_call 59.21 -6.1 53.16 perf-profile.children.cycles-pp.cpuidle_enter 59.20 -6.1 53.14 perf-profile.children.cycles-pp.cpuidle_enter_state 5.65 ± 3% -2.3 3.36 ± 5% perf-profile.children.cycles-pp.__schedule 3.68 -1.7 2.00 ± 8% perf-profile.children.cycles-pp.flush_smp_call_function_queue 3.30 -1.5 1.80 ± 8% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 3.28 ± 3% -1.3 2.02 ± 5% perf-profile.children.cycles-pp.schedule 2.49 ± 2% -1.1 1.38 ± 8% perf-profile.children.cycles-pp.sched_ttwu_pending 2.54 ± 3% -1.1 1.44 ± 6% perf-profile.children.cycles-pp.schedule_idle 7.94 ± 2% -1.1 6.86 ± 5% perf-profile.children.cycles-pp.write 2.45 ± 2% -1.1 1.38 ± 8% perf-profile.children.cycles-pp.autoremove_wake_function 2.36 ± 2% -1.0 1.32 ± 7% perf-profile.children.cycles-pp.try_to_wake_up 2.65 ± 2% -1.0 1.67 ± 7% perf-profile.children.cycles-pp.__wake_up_common 7.37 -0.8 6.52 ± 5% perf-profile.children.cycles-pp.ksys_write 7.24 -0.8 6.43 ± 5% perf-profile.children.cycles-pp.vfs_write 1.59 ± 3% -0.7 0.91 ± 8% perf-profile.children.cycles-pp.ttwu_do_activate 6.91 -0.7 6.23 ± 4% perf-profile.children.cycles-pp.pipe_write 1.48 ± 3% -0.6 0.85 ± 8% perf-profile.children.cycles-pp.activate_task 1.41 ± 3% -0.6 0.79 ± 9% perf-profile.children.cycles-pp.enqueue_task_fair 1.51 ± 4% -0.6 0.89 ± 7% perf-profile.children.cycles-pp.dequeue_task_fair 3.25 ± 3% -0.6 2.65 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irq 1.69 -0.6 1.14 ± 9% perf-profile.children.cycles-pp.menu_select 1.37 ± 5% -0.6 0.82 ± 8% perf-profile.children.cycles-pp.dequeue_entity 1.26 ± 4% -0.5 0.72 ± 9% perf-profile.children.cycles-pp.enqueue_entity 1.09 ± 3% -0.5 0.58 ± 10% perf-profile.children.cycles-pp.ttwu_queue_wakelist 2.24 -0.5 1.74 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.88 ± 2% -0.4 0.48 ± 10% perf-profile.children.cycles-pp.__smp_call_single_queue 0.99 ± 5% -0.4 0.62 ± 5% perf-profile.children.cycles-pp._raw_spin_lock 0.74 ± 6% -0.3 0.40 ± 8% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.70 ± 2% -0.3 0.38 ± 10% perf-profile.children.cycles-pp.llist_add_batch 0.68 ± 3% -0.3 0.38 ± 6% perf-profile.children.cycles-pp.prepare_task_switch 0.70 -0.3 0.40 ± 6% perf-profile.children.cycles-pp.select_task_rq 0.72 ± 5% -0.3 0.44 ± 6% perf-profile.children.cycles-pp.pick_next_task_fair 0.66 -0.3 0.38 ± 6% perf-profile.children.cycles-pp.select_task_rq_fair 0.79 ± 3% -0.3 0.52 ± 6% perf-profile.children.cycles-pp.update_load_avg 0.63 ± 4% -0.3 0.35 ± 6% perf-profile.children.cycles-pp.__switch_to_asm 0.51 ± 2% -0.2 0.28 ± 5% perf-profile.children.cycles-pp.select_idle_sibling 0.48 ± 10% -0.2 0.28 ± 10% perf-profile.children.cycles-pp.__switch_to 0.43 ± 7% -0.2 0.23 ± 10% perf-profile.children.cycles-pp.update_curr 0.39 ± 3% -0.2 0.19 ± 11% perf-profile.children.cycles-pp.llist_reverse_order 0.53 -0.2 0.34 ± 10% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length 0.37 ± 4% -0.2 0.21 ± 9% perf-profile.children.cycles-pp.available_idle_cpu 0.95 ± 3% -0.1 0.80 ± 7% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.35 ± 6% -0.1 0.21 ± 11% perf-profile.children.cycles-pp.native_sched_clock 0.31 ± 6% -0.1 0.17 ± 8% perf-profile.children.cycles-pp.___perf_sw_event 0.33 ± 7% -0.1 0.19 ± 9% perf-profile.children.cycles-pp.set_next_entity 0.75 ± 3% -0.1 0.61 ± 7% perf-profile.children.cycles-pp.hrtimer_interrupt 0.75 ± 3% -0.1 0.61 ± 7% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.25 -0.1 0.13 ± 11% perf-profile.children.cycles-pp.poll_idle 0.62 ± 2% -0.1 0.50 ± 7% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.69 ± 6% -0.1 0.57 ± 5% perf-profile.children.cycles-pp.__list_add_valid_or_report 0.27 ± 3% -0.1 0.15 ± 11% perf-profile.children.cycles-pp.__entry_text_start 0.31 ± 11% -0.1 0.20 ± 7% perf-profile.children.cycles-pp.update_cfs_group 0.24 ± 15% -0.1 0.12 ± 15% perf-profile.children.cycles-pp.avg_vruntime 0.26 ± 9% -0.1 0.14 ± 17% perf-profile.children.cycles-pp.reweight_entity 0.29 -0.1 0.18 ± 13% perf-profile.children.cycles-pp.sched_clock_cpu 0.26 ± 3% -0.1 0.16 ± 7% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.26 ± 4% -0.1 0.16 ± 13% perf-profile.children.cycles-pp.sched_clock 0.30 ± 2% -0.1 0.20 ± 12% perf-profile.children.cycles-pp.tick_nohz_next_event 0.17 ± 2% -0.1 0.08 ± 20% perf-profile.children.cycles-pp.__enqueue_entity 0.26 ± 14% -0.1 0.18 ± 10% perf-profile.children.cycles-pp.ktime_get 0.25 ± 5% -0.1 0.16 ± 9% perf-profile.children.cycles-pp.__update_load_avg_se 0.24 ± 3% -0.1 0.16 ± 15% perf-profile.children.cycles-pp.security_file_permission 0.21 ± 3% -0.1 0.13 ± 13% perf-profile.children.cycles-pp.update_rq_clock 0.11 -0.1 0.03 ±100% perf-profile.children.cycles-pp.cpuacct_charge 0.18 ± 2% -0.1 0.10 ± 17% perf-profile.children.cycles-pp.__wrgsbase_inactive 0.44 ± 6% -0.1 0.36 ± 8% perf-profile.children.cycles-pp.tick_sched_timer 0.18 ± 7% -0.1 0.10 ± 14% perf-profile.children.cycles-pp.place_entity 0.18 ± 9% -0.1 0.10 ± 14% perf-profile.children.cycles-pp.tick_nohz_idle_enter 0.16 ± 10% -0.1 0.08 ± 11% perf-profile.children.cycles-pp.call_function_single_prep_ipi 0.15 ± 10% -0.1 0.07 ± 10% perf-profile.children.cycles-pp.__calc_delta 0.40 ± 5% -0.1 0.32 ± 8% perf-profile.children.cycles-pp.update_process_times 0.20 ± 2% -0.1 0.13 ± 15% perf-profile.children.cycles-pp.apparmor_file_permission 0.17 ± 12% -0.1 0.09 ± 10% perf-profile.children.cycles-pp.tick_nohz_idle_exit 0.40 ± 6% -0.1 0.33 ± 8% perf-profile.children.cycles-pp.tick_sched_handle 0.19 ± 11% -0.1 0.12 ± 10% perf-profile.children.cycles-pp.finish_task_switch 0.18 ± 10% -0.1 0.12 ± 13% perf-profile.children.cycles-pp.copy_page_from_iter 0.18 ± 7% -0.1 0.11 ± 16% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.17 ± 5% -0.1 0.11 ± 4% perf-profile.children.cycles-pp.hrtimer_next_event_without 0.18 ± 6% -0.1 0.12 ± 14% perf-profile.children.cycles-pp.get_next_timer_interrupt 0.18 ± 5% -0.1 0.11 ± 14% perf-profile.children.cycles-pp.cpuidle_governor_latency_req 0.10 ± 4% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.cpus_share_cache 0.34 ± 7% -0.1 0.28 ± 7% perf-profile.children.cycles-pp.scheduler_tick 0.13 ± 16% -0.1 0.07 ± 11% perf-profile.children.cycles-pp.local_clock_noinstr 0.12 ± 11% -0.1 0.06 ± 14% perf-profile.children.cycles-pp.put_prev_task_fair 0.32 ± 4% -0.1 0.26 ± 6% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.26 ± 5% -0.1 0.20 ± 8% perf-profile.children.cycles-pp.perf_event_task_tick 0.09 -0.1 0.04 ± 71% perf-profile.children.cycles-pp.__rdgsbase_inactive 0.16 ± 10% -0.1 0.11 ± 8% perf-profile.children.cycles-pp.newidle_balance 0.10 ± 9% -0.1 0.05 ± 47% perf-profile.children.cycles-pp.call_cpuidle 0.26 ± 6% -0.1 0.20 ± 8% perf-profile.children.cycles-pp.perf_adjust_freq_unthr_context 0.09 ± 14% -0.1 0.04 ± 71% perf-profile.children.cycles-pp.touch_atime 0.14 ± 8% -0.0 0.10 ± 12% perf-profile.children.cycles-pp._copy_from_iter 0.15 ± 11% -0.0 0.10 ± 17% perf-profile.children.cycles-pp.__fdget_pos 0.09 ± 9% -0.0 0.04 ± 45% perf-profile.children.cycles-pp.copyin 0.15 ± 13% -0.0 0.11 ± 8% perf-profile.children.cycles-pp.read_tsc 0.09 -0.0 0.05 ± 47% perf-profile.children.cycles-pp.pick_next_task_idle 0.07 -0.0 0.03 ±100% perf-profile.children.cycles-pp.syscall_return_via_sysret 0.12 ± 10% -0.0 0.08 ± 17% perf-profile.children.cycles-pp.get_cpu_device 0.25 ± 4% -0.0 0.22 ± 7% perf-profile.children.cycles-pp.exit_to_user_mode_prepare 0.10 ± 12% -0.0 0.06 ± 23% perf-profile.children.cycles-pp.ct_idle_exit 0.11 ± 15% -0.0 0.07 ± 13% perf-profile.children.cycles-pp.ct_kernel_exit_state 0.10 ± 4% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.__dequeue_entity 0.09 ± 5% -0.0 0.05 ± 8% perf-profile.children.cycles-pp.__hrtimer_next_event_base 0.07 ± 6% -0.0 0.04 ± 44% perf-profile.children.cycles-pp.tick_nohz_tick_stopped 0.09 ± 5% -0.0 0.06 ± 17% perf-profile.children.cycles-pp.hrtimer_get_next_event 0.12 ± 10% -0.0 0.09 ± 15% perf-profile.children.cycles-pp.__fget_light 1.00 ± 4% +0.2 1.20 ± 4% perf-profile.children.cycles-pp.mutex_unlock 0.34 ± 4% +0.2 0.54 ± 4% perf-profile.children.cycles-pp.__list_del_entry_valid_or_report 1.30 ± 4% +0.2 1.51 perf-profile.children.cycles-pp.mutex_lock 0.18 ± 9% +0.2 0.39 ± 4% perf-profile.children.cycles-pp.osq_unlock 1.36 ± 5% +1.1 2.48 ± 2% perf-profile.children.cycles-pp.mutex_spin_on_owner 6.65 +1.6 8.24 ± 5% perf-profile.children.cycles-pp.prepare_to_wait_event 3.03 ± 3% +3.9 6.96 ± 9% perf-profile.children.cycles-pp.finish_wait 40.77 +4.6 45.34 perf-profile.children.cycles-pp.intel_idle 1.27 ± 11% +4.9 6.16 ± 12% perf-profile.children.cycles-pp.osq_lock 8.98 ± 4% +5.9 14.86 ± 10% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 8.41 ± 2% +6.1 14.54 ± 8% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 3.94 ± 6% +7.1 11.02 ± 6% perf-profile.children.cycles-pp.__mutex_lock 29.56 +10.8 40.31 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 29.41 +10.8 40.20 ± 3% perf-profile.children.cycles-pp.do_syscall_64 22.84 +11.3 34.12 ± 4% perf-profile.children.cycles-pp.read 21.41 +11.8 33.18 ± 4% perf-profile.children.cycles-pp.ksys_read 21.30 +11.8 33.11 ± 4% perf-profile.children.cycles-pp.vfs_read 21.01 +11.9 32.94 ± 4% perf-profile.children.cycles-pp.pipe_read 16.73 ± 2% -10.1 6.59 ± 9% perf-profile.self.cycles-pp.intel_idle_irq 0.98 ± 5% -0.4 0.61 ± 5% perf-profile.self.cycles-pp._raw_spin_lock 0.73 ± 6% -0.3 0.39 ± 9% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.70 ± 2% -0.3 0.38 ± 10% perf-profile.self.cycles-pp.llist_add_batch 0.58 ± 4% -0.3 0.28 ± 9% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.94 -0.3 0.66 ± 10% perf-profile.self.cycles-pp.menu_select 0.63 ± 4% -0.3 0.35 ± 6% perf-profile.self.cycles-pp.__switch_to_asm 0.55 -0.2 0.34 ± 6% perf-profile.self.cycles-pp.__schedule 0.44 ± 2% -0.2 0.23 ± 14% perf-profile.self.cycles-pp.__flush_smp_call_function_queue 0.38 -0.2 0.18 ± 11% perf-profile.self.cycles-pp.sched_ttwu_pending 0.46 ± 9% -0.2 0.27 ± 11% perf-profile.self.cycles-pp.__switch_to 0.38 ± 3% -0.2 0.19 ± 10% perf-profile.self.cycles-pp.llist_reverse_order 0.37 ± 2% -0.2 0.20 ± 9% perf-profile.self.cycles-pp.flush_smp_call_function_queue 0.37 ± 5% -0.2 0.21 ± 9% perf-profile.self.cycles-pp.available_idle_cpu 0.37 ± 2% -0.2 0.22 ± 7% perf-profile.self.cycles-pp.prepare_task_switch 0.34 ± 6% -0.1 0.20 ± 10% perf-profile.self.cycles-pp.native_sched_clock 0.28 ± 6% -0.1 0.15 ± 10% perf-profile.self.cycles-pp.___perf_sw_event 0.69 ± 6% -0.1 0.57 ± 5% perf-profile.self.cycles-pp.__list_add_valid_or_report 0.26 ± 6% -0.1 0.15 ± 13% perf-profile.self.cycles-pp.do_idle 0.24 ± 13% -0.1 0.12 ± 15% perf-profile.self.cycles-pp.avg_vruntime 0.26 ± 9% -0.1 0.14 ± 17% perf-profile.self.cycles-pp.reweight_entity 0.29 ± 7% -0.1 0.18 ± 9% perf-profile.self.cycles-pp.update_load_avg 0.30 ± 12% -0.1 0.19 ± 8% perf-profile.self.cycles-pp.update_cfs_group 0.22 ± 2% -0.1 0.12 ± 9% perf-profile.self.cycles-pp.poll_idle 0.24 ± 3% -0.1 0.14 ± 8% perf-profile.self.cycles-pp.enqueue_entity 0.25 ± 3% -0.1 0.16 ± 9% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.16 ± 5% -0.1 0.08 ± 21% perf-profile.self.cycles-pp.__enqueue_entity 0.16 ± 13% -0.1 0.08 ± 14% perf-profile.self.cycles-pp.ttwu_queue_wakelist 0.24 ± 5% -0.1 0.16 ± 9% perf-profile.self.cycles-pp.__update_load_avg_se 0.18 ± 2% -0.1 0.10 ± 17% perf-profile.self.cycles-pp.__wrgsbase_inactive 0.14 ± 5% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.enqueue_task_fair 0.18 ± 10% -0.1 0.11 ± 9% perf-profile.self.cycles-pp.update_curr 0.16 ± 8% -0.1 0.08 ± 11% perf-profile.self.cycles-pp.call_function_single_prep_ipi 0.10 ± 4% -0.1 0.03 ±100% perf-profile.self.cycles-pp.cpuacct_charge 0.15 ± 8% -0.1 0.07 ± 10% perf-profile.self.cycles-pp.__calc_delta 0.18 ± 7% -0.1 0.10 ± 16% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.17 ± 4% -0.1 0.10 ± 15% perf-profile.self.cycles-pp.dequeue_entity 0.14 ± 17% -0.1 0.07 ± 14% perf-profile.self.cycles-pp.dequeue_task_fair 0.15 ± 16% -0.1 0.08 ± 10% perf-profile.self.cycles-pp.vfs_write 0.17 ± 2% -0.1 0.11 ± 6% perf-profile.self.cycles-pp.cpuidle_idle_call 0.19 ± 7% -0.1 0.12 ± 6% perf-profile.self.cycles-pp.cpuidle_enter_state 0.16 ± 10% -0.1 0.10 ± 8% perf-profile.self.cycles-pp.finish_task_switch 0.17 ± 2% -0.1 0.12 ± 14% perf-profile.self.cycles-pp.apparmor_file_permission 0.14 ± 5% -0.1 0.08 ± 20% perf-profile.self.cycles-pp.vfs_read 0.09 ± 9% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.cpus_share_cache 0.15 ± 6% -0.1 0.09 ± 7% perf-profile.self.cycles-pp.read 0.09 -0.1 0.04 ± 71% perf-profile.self.cycles-pp.__rdgsbase_inactive 0.08 ± 6% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.schedule 0.10 ± 4% -0.1 0.05 ± 47% perf-profile.self.cycles-pp.call_cpuidle 0.13 ± 3% -0.1 0.08 ± 6% perf-profile.self.cycles-pp.write 0.11 ± 4% -0.0 0.06 ± 14% perf-profile.self.cycles-pp.__entry_text_start 0.15 ± 15% -0.0 0.10 ± 9% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.11 ± 11% -0.0 0.06 ± 18% perf-profile.self.cycles-pp.try_to_wake_up 0.12 ± 10% -0.0 0.07 ± 45% perf-profile.self.cycles-pp.get_cpu_device 0.12 ± 10% -0.0 0.08 ± 11% perf-profile.self.cycles-pp.newidle_balance 0.14 ± 13% -0.0 0.09 ± 9% perf-profile.self.cycles-pp.pick_next_task_fair 0.15 ± 17% -0.0 0.10 ± 9% perf-profile.self.cycles-pp.read_tsc 0.12 ± 18% -0.0 0.08 ± 15% perf-profile.self.cycles-pp.ktime_get 0.09 ± 5% -0.0 0.05 ± 45% perf-profile.self.cycles-pp.__dequeue_entity 0.10 -0.0 0.06 ± 7% perf-profile.self.cycles-pp.select_task_rq_fair 0.14 ± 3% -0.0 0.11 ± 6% perf-profile.self.cycles-pp.perf_adjust_freq_unthr_context 0.10 ± 9% -0.0 0.06 ± 6% perf-profile.self.cycles-pp.schedule_idle 0.10 ± 14% -0.0 0.07 ± 13% perf-profile.self.cycles-pp.ct_kernel_exit_state 0.08 ± 10% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.stress_pipeherd_read_write 0.20 ± 4% +0.1 0.29 ± 9% perf-profile.self.cycles-pp.__wake_up_common 1.00 ± 3% +0.2 1.20 ± 4% perf-profile.self.cycles-pp.mutex_unlock 0.33 ± 3% +0.2 0.54 ± 4% perf-profile.self.cycles-pp.__list_del_entry_valid_or_report 0.17 ± 11% +0.2 0.39 ± 5% perf-profile.self.cycles-pp.osq_unlock 1.25 ± 4% +0.2 1.48 ± 2% perf-profile.self.cycles-pp.mutex_lock 1.12 ± 7% +0.9 1.98 perf-profile.self.cycles-pp.__mutex_lock 1.36 ± 4% +1.1 2.46 perf-profile.self.cycles-pp.mutex_spin_on_owner 40.77 +4.6 45.34 perf-profile.self.cycles-pp.intel_idle 1.27 ± 10% +4.9 6.15 ± 12% perf-profile.self.cycles-pp.osq_lock 8.95 ± 4% +5.9 14.85 ± 10% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath *************************************************************************************************** lkp-csl-d02: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G memory ========================================================================================= class/compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: pipe/gcc-12/performance/x86_64-rhel-8.3/1/debian-11.1-x86_64-20220510.cgz/lkp-csl-d02/pipeherd/stress-ng/60s commit: c2da67ba32 ("fs/pipe: move check to pipe_has_watch_queue()") cc03a5d65a ("fs/pipe: remove unnecessary spinlock from pipe_write()") c2da67ba32de1205 cc03a5d65a4032f8c5394092734 ---------------- --------------------------- %stddev %change %stddev \ | \ 40782571 -34.5% 26722190 ± 2% cpuidle..usage 6.71 +5.3 12.05 ± 3% mpstat.cpu.all.sys% 3.14 ± 2% +55.5% 4.88 ± 3% vmstat.procs.r 1198732 -36.6% 759821 ± 3% vmstat.system.cs 1014388 -20.7% 804558 ± 2% meminfo.Active 1014240 -20.7% 804410 ± 2% meminfo.Active(anon) 35584 ± 16% +33.7% 47565 ± 20% meminfo.AnonHugePages 1162594 -18.8% 944222 ± 2% meminfo.Shmem 632754 -36.9% 399152 ± 2% stress-ng.pipeherd.context_switches_per_sec 37956331 -36.9% 23934072 ± 2% stress-ng.pipeherd.ops 632481 -36.9% 398822 ± 2% stress-ng.pipeherd.ops_per_sec 8640 +63.2% 14105 ± 3% stress-ng.time.involuntary_context_switches 258.33 +73.7% 448.83 ± 3% stress-ng.time.percent_of_cpu_this_job_got 156.30 +76.3% 275.60 ± 3% stress-ng.time.system_time 37956662 -36.9% 23935206 ± 2% stress-ng.time.voluntary_context_switches 464.33 +32.8% 616.50 turbostat.Avg_MHz 12.26 +4.0 16.27 turbostat.Busy% 13210272 -70.4% 3905828 ± 7% turbostat.C1 21.86 -13.3 8.52 ± 6% turbostat.C1% 27336233 -17.3% 22605226 turbostat.C1E 61.68 +8.7 70.38 turbostat.C1E% 0.17 ± 2% -36.5% 0.11 turbostat.IPC 94214 -26.9% 68893 ± 2% turbostat.POLL 0.07 ± 7% -0.0 0.04 turbostat.POLL% 95.53 +2.2% 97.64 turbostat.PkgWatt 253563 -20.7% 201103 ± 2% proc-vmstat.nr_active_anon 977204 -5.6% 922608 proc-vmstat.nr_file_pages 32243 -8.5% 29507 proc-vmstat.nr_mapped 290666 -18.8% 236070 ± 2% proc-vmstat.nr_shmem 253563 -20.7% 201103 ± 2% proc-vmstat.nr_zone_active_anon 657180 -11.7% 579999 proc-vmstat.numa_hit 657180 -11.2% 583256 ± 2% proc-vmstat.numa_local 323157 -6.1% 303598 ± 2% proc-vmstat.pgactivate 685287 -10.8% 610962 proc-vmstat.pgalloc_normal 253863 +0.9% 256096 proc-vmstat.pgfree 8160 +3.0% 8409 proc-vmstat.pgreuse 11779 +99.1% 23449 ± 4% sched_debug.cfs_rq:/.avg_vruntime.avg 34264 ± 4% +42.6% 48864 ± 5% sched_debug.cfs_rq:/.avg_vruntime.max 7683 ± 4% +144.6% 18796 ± 5% sched_debug.cfs_rq:/.avg_vruntime.min 5806 ± 5% +12.5% 6530 ± 5% sched_debug.cfs_rq:/.avg_vruntime.stddev 11779 +99.1% 23449 ± 4% sched_debug.cfs_rq:/.min_vruntime.avg 34264 ± 4% +42.6% 48864 ± 5% sched_debug.cfs_rq:/.min_vruntime.max 7683 ± 4% +144.6% 18796 ± 5% sched_debug.cfs_rq:/.min_vruntime.min 5806 ± 5% +12.5% 6530 ± 5% sched_debug.cfs_rq:/.min_vruntime.stddev 359.90 ± 4% +10.8% 398.86 ± 4% sched_debug.cfs_rq:/.runnable_avg.avg 358.18 ± 4% +10.8% 396.99 ± 4% sched_debug.cfs_rq:/.util_avg.avg 13406 ± 10% +25.7% 16850 ± 12% sched_debug.cpu.avg_idle.min 1030572 -35.7% 662694 ± 2% sched_debug.cpu.nr_switches.avg 1177328 -37.9% 730901 ± 2% sched_debug.cpu.nr_switches.max 887692 ± 2% -33.7% 588629 ± 4% sched_debug.cpu.nr_switches.min 69552 -60.9% 27216 ± 6% sched_debug.cpu.nr_switches.stddev 0.00 +100.0% 0.00 perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep 0.01 ± 8% -59.4% 0.00 ± 31% perf-sched.sch_delay.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_write 0.50 +23.9% 0.62 ± 2% perf-sched.total_wait_and_delay.average.ms 1843860 -19.9% 1476521 ± 2% perf-sched.total_wait_and_delay.count.ms 0.50 +23.9% 0.62 ± 2% perf-sched.total_wait_time.average.ms 8.94 ± 14% +218.5% 28.46 ±103% perf-sched.wait_and_delay.avg.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 250.02 ± 5% +12.5% 281.31 ± 6% perf-sched.wait_and_delay.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 67.34 ± 34% -71.9% 18.90 ±141% perf-sched.wait_and_delay.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi 0.30 +24.4% 0.38 ± 2% perf-sched.wait_and_delay.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 152.13 ± 2% -33.3% 101.49 ± 6% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 4.33 ± 10% -92.3% 0.33 ±141% perf-sched.wait_and_delay.count.__cond_resched.mutex_lock.__fdget_pos.ksys_write.do_syscall_64 1765446 -20.9% 1397168 ± 2% perf-sched.wait_and_delay.count.pipe_read.vfs_read.ksys_read.do_syscall_64 1246 +47.1% 1832 ± 5% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 22.02 ± 23% +214.7% 69.29 ±100% perf-sched.wait_and_delay.max.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 1001 -66.5% 335.30 ±140% perf-sched.wait_and_delay.max.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi 4005 -37.5% 2503 ± 38% perf-sched.wait_and_delay.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.28 ± 2% +20.1% 0.33 ± 2% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read 0.23 ± 18% +40.8% 0.32 ± 4% perf-sched.wait_time.avg.ms.__cond_resched.pipe_read.vfs_read.ksys_read.do_syscall_64 8.94 ± 14% +218.5% 28.46 ±103% perf-sched.wait_time.avg.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 250.02 ± 5% +12.5% 281.30 ± 6% perf-sched.wait_time.avg.ms.do_task_dead.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64 67.34 ± 34% -71.8% 19.02 ±140% perf-sched.wait_time.avg.ms.exit_to_user_mode_loop.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi 0.30 +24.4% 0.38 ± 2% perf-sched.wait_time.avg.ms.pipe_read.vfs_read.ksys_read.do_syscall_64 0.20 ± 7% +17.7% 0.24 ± 2% perf-sched.wait_time.avg.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_read 152.12 ± 2% -33.3% 101.43 ± 6% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.32 ± 2% +24.7% 0.40 ± 3% perf-sched.wait_time.max.ms.__cond_resched.__mutex_lock.constprop.0.pipe_read 0.35 ± 3% +17.9% 0.42 ± 4% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read 0.31 ± 3% +33.2% 0.41 ± 6% perf-sched.wait_time.max.ms.__cond_resched.pipe_read.vfs_read.ksys_read.do_syscall_64 22.02 ± 23% +214.7% 69.29 ±100% perf-sched.wait_time.max.ms.__cond_resched.shmem_inode_acct_block.shmem_alloc_and_acct_folio.shmem_get_folio_gfp.shmem_write_begin 1001 -66.4% 336.82 ±139% 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 0.33 ± 2% +26.3% 0.42 ± 5% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_read 0.28 +31.7% 0.37 ± 4% perf-sched.wait_time.max.ms.schedule_preempt_disabled.__mutex_lock.constprop.0.pipe_write 4005 -37.5% 2503 ± 38% perf-sched.wait_time.max.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.16 +4.4% 0.17 perf-stat.i.MPKI 1.875e+09 -15.2% 1.591e+09 perf-stat.i.branch-instructions 1.77 +0.2 1.98 perf-stat.i.branch-miss-rate% 33849840 -4.1% 32451085 perf-stat.i.branch-misses 2.90 ± 4% -0.5 2.36 ± 5% perf-stat.i.cache-miss-rate% 2047264 -10.5% 1832514 perf-stat.i.cache-misses 93003981 ± 12% +33.5% 1.242e+08 ± 10% perf-stat.i.cache-references 1245148 -36.0% 797265 ± 2% perf-stat.i.context-switches 2.01 +59.9% 3.22 ± 2% perf-stat.i.cpi 1.734e+10 +30.4% 2.261e+10 perf-stat.i.cpu-cycles 14356 +34.8% 19358 ± 3% perf-stat.i.cpu-migrations 263224 ± 5% +18.2% 311030 ± 7% perf-stat.i.cycles-between-cache-misses 2.403e+09 -18.3% 1.964e+09 perf-stat.i.dTLB-loads 0.00 ± 9% +0.0 0.01 ± 12% perf-stat.i.dTLB-store-miss-rate% 1.346e+09 -27.9% 9.704e+08 perf-stat.i.dTLB-stores 36.14 +0.6 36.77 perf-stat.i.iTLB-load-miss-rate% 5320981 -27.4% 3863621 ± 2% perf-stat.i.iTLB-load-misses 9453348 -30.3% 6585163 ± 2% perf-stat.i.iTLB-loads 9.177e+09 -16.4% 7.672e+09 perf-stat.i.instructions 2074 +12.8% 2339 perf-stat.i.instructions-per-iTLB-miss 0.54 -33.3% 0.36 ± 2% perf-stat.i.ipc 0.48 +30.4% 0.63 perf-stat.i.metric.GHz 328.91 -28.1% 236.49 ± 2% perf-stat.i.metric.K/sec 158.78 -18.7% 129.12 perf-stat.i.metric.M/sec 2912 -2.4% 2841 perf-stat.i.minor-faults 258109 ± 2% -11.1% 229499 perf-stat.i.node-stores 2912 -2.4% 2841 perf-stat.i.page-faults 0.22 +7.1% 0.24 perf-stat.overall.MPKI 1.81 +0.2 2.04 perf-stat.overall.branch-miss-rate% 2.23 ± 11% -0.7 1.49 ± 9% perf-stat.overall.cache-miss-rate% 1.89 +56.0% 2.95 ± 2% perf-stat.overall.cpi 8466 +45.7% 12338 ± 3% perf-stat.overall.cycles-between-cache-misses 0.00 ± 10% +0.0 0.01 ± 15% perf-stat.overall.dTLB-store-miss-rate% 36.02 +1.0 36.98 perf-stat.overall.iTLB-load-miss-rate% 1725 +15.2% 1986 perf-stat.overall.instructions-per-iTLB-miss 0.53 -35.8% 0.34 ± 2% perf-stat.overall.ipc 1.846e+09 -15.2% 1.566e+09 perf-stat.ps.branch-instructions 33323456 -4.1% 31948762 perf-stat.ps.branch-misses 2016438 -10.5% 1804771 perf-stat.ps.cache-misses 91528863 ± 12% +33.5% 1.222e+08 ± 10% perf-stat.ps.cache-references 1225280 -36.0% 784569 ± 2% perf-stat.ps.context-switches 1.707e+10 +30.4% 2.225e+10 perf-stat.ps.cpu-cycles 14127 +34.8% 19050 ± 3% perf-stat.ps.cpu-migrations 2.365e+09 -18.3% 1.933e+09 perf-stat.ps.dTLB-loads 1.325e+09 -27.9% 9.551e+08 perf-stat.ps.dTLB-stores 5236452 -27.4% 3802367 ± 2% perf-stat.ps.iTLB-load-misses 9302547 -30.3% 6480331 ± 2% perf-stat.ps.iTLB-loads 9.033e+09 -16.4% 7.551e+09 perf-stat.ps.instructions 2867 -2.5% 2797 perf-stat.ps.minor-faults 254103 ± 2% -11.1% 225941 perf-stat.ps.node-stores 2867 -2.5% 2797 perf-stat.ps.page-faults 5.699e+11 -16.4% 4.765e+11 perf-stat.total.instructions 68.18 -11.4 56.76 perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify 65.82 -10.9 54.92 perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify 65.81 -10.9 54.92 perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 65.76 -10.9 54.89 perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 15.82 ± 2% -10.8 4.98 ± 7% perf-profile.calltrace.cycles-pp.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 59.13 -7.7 51.48 perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 58.95 -7.0 51.90 perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry 56.98 -6.7 50.29 perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 3.47 ± 2% -1.7 1.75 ± 5% perf-profile.calltrace.cycles-pp.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 3.13 ± 3% -1.6 1.56 ± 5% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry.start_secondary 7.89 -1.5 6.40 ± 2% perf-profile.calltrace.cycles-pp.write 7.54 -1.3 6.22 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write 7.50 -1.3 6.20 ± 3% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 3.13 -1.3 1.84 ± 4% perf-profile.calltrace.cycles-pp.schedule.pipe_read.vfs_read.ksys_read.do_syscall_64 7.38 -1.3 6.13 ± 3% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 2.45 -1.2 1.21 ± 6% perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write 3.03 -1.2 1.80 ± 4% perf-profile.calltrace.cycles-pp.__schedule.schedule.pipe_read.vfs_read.ksys_read 7.24 -1.2 6.06 ± 3% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write 2.65 -1.2 1.49 ± 5% perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 2.36 ± 3% -1.2 1.20 ± 5% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle.cpu_startup_entry 2.41 ± 3% -1.1 1.27 ± 4% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify 2.27 -1.1 1.13 ± 6% perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock.pipe_write 2.31 ± 3% -1.1 1.21 ± 3% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary 2.99 ± 2% -1.1 1.90 ± 4% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call 6.93 -1.0 5.90 ± 3% perf-profile.calltrace.cycles-pp.pipe_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe 1.69 ± 3% -0.7 0.96 ± 6% perf-profile.calltrace.cycles-pp.menu_select.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary 1.05 -0.7 0.36 ± 70% perf-profile.calltrace.cycles-pp.ttwu_queue_wakelist.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_common_lock 1.47 ± 5% -0.7 0.78 ± 5% perf-profile.calltrace.cycles-pp.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue.do_idle 1.47 -0.7 0.80 ± 6% perf-profile.calltrace.cycles-pp.dequeue_task_fair.__schedule.schedule.pipe_read.vfs_read 1.37 ± 6% -0.6 0.72 ± 6% perf-profile.calltrace.cycles-pp.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue.flush_smp_call_function_queue 1.30 ± 6% -0.6 0.68 ± 6% perf-profile.calltrace.cycles-pp.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending.__flush_smp_call_function_queue 1.32 ± 2% -0.6 0.72 ± 6% perf-profile.calltrace.cycles-pp.dequeue_entity.dequeue_task_fair.__schedule.schedule.pipe_read 1.15 ± 6% -0.6 0.60 ± 5% perf-profile.calltrace.cycles-pp.enqueue_entity.enqueue_task_fair.activate_task.ttwu_do_activate.sched_ttwu_pending 0.65 ± 4% -0.3 0.36 ± 70% perf-profile.calltrace.cycles-pp.__list_add_valid_or_report.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 0.68 ± 4% +0.2 0.87 ± 3% perf-profile.calltrace.cycles-pp.mutex_unlock.pipe_read.vfs_read.ksys_read.do_syscall_64 0.82 ± 6% +0.3 1.16 ± 2% perf-profile.calltrace.cycles-pp.mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 0.52 ± 2% +1.0 1.48 ± 2% perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_write.vfs_write.ksys_write.do_syscall_64 0.00 +1.0 0.97 ± 2% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_write.vfs_write.ksys_write 1.73 +1.0 2.78 perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read.do_syscall_64 1.42 ± 4% +1.1 2.49 ± 3% perf-profile.calltrace.cycles-pp.mutex_spin_on_owner.__mutex_lock.pipe_read.vfs_read.ksys_read 0.69 ± 7% +1.1 1.82 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write 1.38 ± 2% +1.1 2.51 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irq.pipe_read.vfs_read.ksys_read 0.84 ± 6% +1.2 2.02 ± 3% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.__wake_up_common_lock.pipe_write.vfs_write.ksys_write 6.50 +2.5 9.00 ± 3% perf-profile.calltrace.cycles-pp.prepare_to_wait_event.pipe_read.vfs_read.ksys_read.do_syscall_64 3.99 +2.7 6.68 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read.ksys_read 2.92 +2.8 5.74 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.prepare_to_wait_event.pipe_read.vfs_read 2.47 ± 2% +4.4 6.85 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read 2.83 ± 2% +4.5 7.29 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.finish_wait.pipe_read.vfs_read.ksys_read 40.56 +4.5 45.09 perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle 3.09 ± 2% +4.7 7.79 ± 4% perf-profile.calltrace.cycles-pp.finish_wait.pipe_read.vfs_read.ksys_read.do_syscall_64 1.06 ± 4% +5.3 6.34 ± 2% perf-profile.calltrace.cycles-pp.osq_lock.__mutex_lock.pipe_read.vfs_read.ksys_read 3.49 ± 3% +7.2 10.71 perf-profile.calltrace.cycles-pp.__mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64 23.03 +13.2 36.28 perf-profile.calltrace.cycles-pp.read 22.07 +13.7 35.78 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read 21.97 +13.8 35.73 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 21.63 +13.9 35.50 perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 21.52 +13.9 35.45 perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 21.19 +14.1 35.27 perf-profile.calltrace.cycles-pp.pipe_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe 68.18 -11.4 56.76 perf-profile.children.cycles-pp.secondary_startup_64_no_verify 68.18 -11.4 56.76 perf-profile.children.cycles-pp.cpu_startup_entry 68.14 -11.4 56.73 perf-profile.children.cycles-pp.do_idle 17.26 -11.2 6.04 ± 6% perf-profile.children.cycles-pp.intel_idle_irq 65.82 -10.9 54.92 perf-profile.children.cycles-pp.start_secondary 61.27 -8.1 53.20 perf-profile.children.cycles-pp.cpuidle_idle_call 59.02 -7.1 51.96 perf-profile.children.cycles-pp.cpuidle_enter 59.00 -7.1 51.94 perf-profile.children.cycles-pp.cpuidle_enter_state 5.55 -2.4 3.16 ± 3% perf-profile.children.cycles-pp.__schedule 3.61 ± 2% -1.8 1.81 ± 4% perf-profile.children.cycles-pp.flush_smp_call_function_queue 3.25 ± 3% -1.6 1.63 ± 4% perf-profile.children.cycles-pp.__flush_smp_call_function_queue 7.97 -1.5 6.45 ± 2% perf-profile.children.cycles-pp.write 3.22 -1.3 1.92 ± 4% perf-profile.children.cycles-pp.schedule 7.39 -1.2 6.14 ± 3% perf-profile.children.cycles-pp.ksys_write 2.45 -1.2 1.21 ± 6% perf-profile.children.cycles-pp.autoremove_wake_function 2.45 ± 3% -1.2 1.25 ± 4% perf-profile.children.cycles-pp.sched_ttwu_pending 7.25 -1.2 6.06 ± 3% perf-profile.children.cycles-pp.vfs_write 2.50 ± 2% -1.2 1.32 ± 3% perf-profile.children.cycles-pp.schedule_idle 2.65 -1.2 1.49 ± 5% perf-profile.children.cycles-pp.__wake_up_common 2.34 -1.2 1.19 ± 5% perf-profile.children.cycles-pp.try_to_wake_up 6.93 -1.0 5.90 ± 3% perf-profile.children.cycles-pp.pipe_write 1.77 ± 3% -0.8 1.00 ± 5% perf-profile.children.cycles-pp.menu_select 1.57 ± 4% -0.7 0.84 ± 5% perf-profile.children.cycles-pp.ttwu_do_activate 2.32 -0.7 1.63 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 1.46 ± 5% -0.7 0.78 ± 5% perf-profile.children.cycles-pp.activate_task 1.51 -0.7 0.83 ± 5% perf-profile.children.cycles-pp.dequeue_task_fair 1.39 ± 5% -0.7 0.73 ± 5% perf-profile.children.cycles-pp.enqueue_task_fair 1.38 ± 2% -0.6 0.76 ± 6% perf-profile.children.cycles-pp.dequeue_entity 1.26 ± 5% -0.6 0.66 ± 5% perf-profile.children.cycles-pp.enqueue_entity 1.05 -0.5 0.51 ± 9% perf-profile.children.cycles-pp.ttwu_queue_wakelist 0.84 ± 4% -0.4 0.43 ± 9% perf-profile.children.cycles-pp.__smp_call_single_queue 0.97 -0.4 0.62 ± 3% perf-profile.children.cycles-pp._raw_spin_lock 0.71 -0.4 0.36 ± 4% perf-profile.children.cycles-pp.select_task_rq 0.84 ± 3% -0.4 0.49 ± 4% perf-profile.children.cycles-pp.update_load_avg 3.14 ± 3% -0.4 2.79 perf-profile.children.cycles-pp._raw_spin_lock_irq 0.76 ± 4% -0.3 0.42 ± 7% perf-profile.children.cycles-pp.pick_next_task_fair 0.68 ± 3% -0.3 0.34 ± 10% perf-profile.children.cycles-pp.llist_add_batch 0.67 -0.3 0.34 ± 5% perf-profile.children.cycles-pp.select_task_rq_fair 0.69 -0.3 0.37 ± 5% perf-profile.children.cycles-pp.switch_mm_irqs_off 0.63 ± 5% -0.3 0.34 ± 5% perf-profile.children.cycles-pp.prepare_task_switch 0.60 ± 4% -0.3 0.30 ± 8% perf-profile.children.cycles-pp.__switch_to_asm 0.98 -0.3 0.70 ± 9% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.52 -0.3 0.26 ± 6% perf-profile.children.cycles-pp.select_idle_sibling 0.55 ± 2% -0.2 0.30 ± 7% perf-profile.children.cycles-pp.tick_nohz_get_sleep_length 0.48 -0.2 0.25 ± 11% perf-profile.children.cycles-pp.__switch_to 0.77 -0.2 0.54 ± 9% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.76 -0.2 0.54 ± 9% perf-profile.children.cycles-pp.hrtimer_interrupt 0.42 -0.2 0.21 ± 6% perf-profile.children.cycles-pp.update_curr 0.38 ± 3% -0.2 0.18 ± 4% perf-profile.children.cycles-pp.llist_reverse_order 0.39 ± 3% -0.2 0.18 ± 5% perf-profile.children.cycles-pp.available_idle_cpu 0.63 -0.2 0.45 ± 8% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.34 ± 3% -0.2 0.17 ± 4% perf-profile.children.cycles-pp.native_sched_clock 0.33 -0.2 0.16 ± 11% perf-profile.children.cycles-pp.tick_nohz_next_event 0.34 ± 8% -0.2 0.18 ± 5% perf-profile.children.cycles-pp.set_next_entity 0.29 ± 5% -0.2 0.14 ± 8% perf-profile.children.cycles-pp.__entry_text_start 0.32 ± 13% -0.1 0.18 ± 7% perf-profile.children.cycles-pp.update_cfs_group 0.45 ± 2% -0.1 0.32 ± 9% perf-profile.children.cycles-pp.tick_sched_timer 0.29 ± 3% -0.1 0.16 ± 4% perf-profile.children.cycles-pp.sched_clock_cpu 0.27 ± 6% -0.1 0.14 ± 11% perf-profile.children.cycles-pp.security_file_permission 0.67 ± 4% -0.1 0.54 ± 6% perf-profile.children.cycles-pp.__list_add_valid_or_report 0.27 ± 3% -0.1 0.14 ± 4% perf-profile.children.cycles-pp.sched_clock 0.28 ± 4% -0.1 0.15 ± 9% perf-profile.children.cycles-pp.ktime_get 0.28 ± 8% -0.1 0.16 ± 11% perf-profile.children.cycles-pp.___perf_sw_event 0.23 ± 14% -0.1 0.11 ± 12% perf-profile.children.cycles-pp.avg_vruntime 0.27 ± 4% -0.1 0.15 ± 8% perf-profile.children.cycles-pp.__update_load_avg_cfs_rq 0.25 -0.1 0.13 ± 7% perf-profile.children.cycles-pp.reweight_entity 0.41 ± 2% -0.1 0.29 ± 7% perf-profile.children.cycles-pp.tick_sched_handle 0.25 ± 3% -0.1 0.14 ± 11% perf-profile.children.cycles-pp.poll_idle 0.23 ± 8% -0.1 0.12 ± 10% perf-profile.children.cycles-pp.apparmor_file_permission 0.27 ± 6% -0.1 0.16 ± 8% perf-profile.children.cycles-pp.__update_load_avg_se 0.40 ± 4% -0.1 0.29 ± 5% perf-profile.children.cycles-pp.update_process_times 0.20 ± 8% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.copy_page_from_iter 0.20 ± 4% -0.1 0.10 ± 11% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack 0.33 ± 5% -0.1 0.22 ± 7% perf-profile.children.cycles-pp.syscall_exit_to_user_mode 0.17 ± 10% -0.1 0.07 ± 16% perf-profile.children.cycles-pp.__enqueue_entity 0.18 ± 4% -0.1 0.09 ± 6% perf-profile.children.cycles-pp.tick_nohz_idle_enter 0.21 ± 6% -0.1 0.12 ± 6% perf-profile.children.cycles-pp.update_rq_clock 0.33 ± 3% -0.1 0.25 ± 7% perf-profile.children.cycles-pp.scheduler_tick 0.18 ± 6% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.cpuidle_governor_latency_req 0.18 ± 9% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.newidle_balance 0.17 ± 7% -0.1 0.09 ± 11% perf-profile.children.cycles-pp.place_entity 0.19 ± 9% -0.1 0.11 ± 13% perf-profile.children.cycles-pp.get_next_timer_interrupt 0.16 ± 7% -0.1 0.08 ± 8% perf-profile.children.cycles-pp._copy_from_iter 0.16 ± 2% -0.1 0.08 ± 8% perf-profile.children.cycles-pp.__wrgsbase_inactive 0.16 -0.1 0.08 ± 11% perf-profile.children.cycles-pp.__fdget_pos 0.16 ± 7% -0.1 0.08 ± 12% perf-profile.children.cycles-pp.tick_nohz_idle_exit 0.11 ± 11% -0.1 0.04 ± 72% perf-profile.children.cycles-pp.pick_next_task_idle 0.25 -0.1 0.18 ± 5% perf-profile.children.cycles-pp.perf_adjust_freq_unthr_context 0.26 ± 3% -0.1 0.18 ± 10% perf-profile.children.cycles-pp.exit_to_user_mode_prepare 0.15 ± 8% -0.1 0.07 ± 12% perf-profile.children.cycles-pp.__calc_delta 0.25 -0.1 0.18 ± 5% perf-profile.children.cycles-pp.perf_event_task_tick 0.09 ± 13% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.update_min_vruntime 0.16 ± 10% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.read_tsc 0.10 ± 12% -0.1 0.03 ± 70% perf-profile.children.cycles-pp.cpus_share_cache 0.12 ± 4% -0.1 0.05 ± 8% perf-profile.children.cycles-pp.put_prev_task_fair 0.12 ± 18% -0.1 0.06 ± 13% perf-profile.children.cycles-pp.local_clock_noinstr 0.18 ± 4% -0.1 0.12 ± 10% perf-profile.children.cycles-pp.finish_task_switch 0.15 ± 10% -0.1 0.09 ± 17% perf-profile.children.cycles-pp.call_function_single_prep_ipi 0.11 ± 11% -0.1 0.05 ± 45% perf-profile.children.cycles-pp.__dequeue_entity 0.09 ± 5% -0.1 0.03 ±100% perf-profile.children.cycles-pp.ct_kernel_enter 0.21 ± 6% -0.1 0.15 ± 8% perf-profile.children.cycles-pp.switch_fpu_return 0.12 ± 11% -0.1 0.06 ± 17% perf-profile.children.cycles-pp.get_cpu_device 0.11 -0.1 0.06 ± 13% perf-profile.children.cycles-pp.ct_idle_exit 0.15 ± 8% -0.1 0.10 ± 10% perf-profile.children.cycles-pp.hrtimer_next_event_without 0.13 ± 3% -0.1 0.08 ± 12% perf-profile.children.cycles-pp.__fget_light 0.09 ± 10% -0.1 0.04 ± 44% perf-profile.children.cycles-pp.call_cpuidle 0.09 ± 5% -0.0 0.05 ± 45% perf-profile.children.cycles-pp.hrtimer_get_next_event 0.07 ± 14% -0.0 0.02 ± 99% perf-profile.children.cycles-pp.__hrtimer_next_event_base 0.23 ± 4% -0.0 0.18 ± 7% perf-profile.children.cycles-pp.copy_page_to_iter 0.07 ± 7% -0.0 0.04 ± 71% perf-profile.children.cycles-pp.os_xsave 0.18 ± 5% -0.0 0.15 ± 9% perf-profile.children.cycles-pp.clock_nanosleep 0.10 ± 8% -0.0 0.07 ± 16% perf-profile.children.cycles-pp.stress_pipeherd_read_write 0.09 ± 9% -0.0 0.06 ± 11% perf-profile.children.cycles-pp.__intel_pmu_enable_all 0.10 ± 9% -0.0 0.08 ± 12% perf-profile.children.cycles-pp.restore_fpregs_from_fpstate 0.12 ± 7% -0.0 0.10 ± 14% perf-profile.children.cycles-pp.anon_pipe_buf_release 0.13 ± 3% -0.0 0.10 ± 10% perf-profile.children.cycles-pp.__irq_exit_rcu 0.12 ± 6% -0.0 0.10 ± 9% perf-profile.children.cycles-pp.hrtimer_nanosleep 0.07 ± 7% -0.0 0.04 ± 45% perf-profile.children.cycles-pp.hrtimer_wakeup 0.10 ± 8% -0.0 0.08 ± 10% perf-profile.children.cycles-pp.__do_softirq 1.04 +0.1 1.14 ± 2% perf-profile.children.cycles-pp.mutex_unlock 0.40 +0.2 0.57 ± 3% perf-profile.children.cycles-pp.__list_del_entry_valid_or_report 0.18 ± 6% +0.2 0.37 ± 3% perf-profile.children.cycles-pp.osq_unlock 1.25 ± 6% +0.2 1.49 perf-profile.children.cycles-pp.mutex_lock 1.45 ± 4% +1.1 2.52 ± 2% perf-profile.children.cycles-pp.mutex_spin_on_owner 6.51 +2.5 9.01 ± 3% perf-profile.children.cycles-pp.prepare_to_wait_event 40.56 +4.5 45.09 perf-profile.children.cycles-pp.intel_idle 3.09 ± 2% +4.7 7.80 ± 4% perf-profile.children.cycles-pp.finish_wait 1.27 ± 4% +6.1 7.32 ± 2% perf-profile.children.cycles-pp.osq_lock 8.23 +8.1 16.29 ± 3% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 4.01 ± 3% +8.2 12.21 perf-profile.children.cycles-pp.__mutex_lock 8.58 ± 2% +8.3 16.92 ± 3% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 29.81 +12.4 42.17 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 29.67 +12.4 42.09 perf-profile.children.cycles-pp.do_syscall_64 23.13 +13.2 36.32 perf-profile.children.cycles-pp.read 21.64 +13.9 35.50 perf-profile.children.cycles-pp.ksys_read 21.52 +13.9 35.45 perf-profile.children.cycles-pp.vfs_read 21.22 +14.1 35.30 perf-profile.children.cycles-pp.pipe_read 16.71 -10.9 5.78 ± 6% perf-profile.self.cycles-pp.intel_idle_irq 1.20 -0.5 0.66 ± 10% perf-profile.self.cycles-pp.pipe_read 0.99 ± 3% -0.4 0.58 ± 5% perf-profile.self.cycles-pp.menu_select 0.65 ± 2% -0.4 0.27 ± 8% perf-profile.self.cycles-pp._raw_spin_lock_irq 0.96 -0.4 0.60 ± 4% perf-profile.self.cycles-pp._raw_spin_lock 0.68 ± 3% -0.3 0.33 ± 9% perf-profile.self.cycles-pp.llist_add_batch 0.69 -0.3 0.36 ± 6% perf-profile.self.cycles-pp.switch_mm_irqs_off 0.59 ± 4% -0.3 0.30 ± 9% perf-profile.self.cycles-pp.__switch_to_asm 2.15 ± 3% -0.3 1.88 ± 2% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.40 ± 7% -0.3 0.14 ± 27% perf-profile.self.cycles-pp.pipe_write 0.54 -0.2 0.30 ± 5% perf-profile.self.cycles-pp.__schedule 0.47 ± 2% -0.2 0.25 ± 10% perf-profile.self.cycles-pp.__switch_to 0.42 ± 2% -0.2 0.20 ± 8% perf-profile.self.cycles-pp.__flush_smp_call_function_queue 0.38 ± 3% -0.2 0.18 ± 2% perf-profile.self.cycles-pp.llist_reverse_order 0.37 -0.2 0.17 ± 6% perf-profile.self.cycles-pp.sched_ttwu_pending 0.38 ± 4% -0.2 0.18 ± 7% perf-profile.self.cycles-pp.available_idle_cpu 0.37 ± 2% -0.2 0.19 ± 5% perf-profile.self.cycles-pp.flush_smp_call_function_queue 0.36 ± 6% -0.2 0.18 ± 5% perf-profile.self.cycles-pp.prepare_task_switch 0.33 ± 3% -0.2 0.17 ± 4% perf-profile.self.cycles-pp.native_sched_clock 0.31 ± 6% -0.1 0.17 ± 4% perf-profile.self.cycles-pp.update_load_avg 0.67 ± 4% -0.1 0.54 ± 6% perf-profile.self.cycles-pp.__list_add_valid_or_report 0.30 ± 13% -0.1 0.17 ± 7% perf-profile.self.cycles-pp.update_cfs_group 0.23 ± 13% -0.1 0.11 ± 12% perf-profile.self.cycles-pp.avg_vruntime 0.26 ± 4% -0.1 0.15 ± 7% perf-profile.self.cycles-pp.__update_load_avg_cfs_rq 0.25 -0.1 0.13 ± 7% perf-profile.self.cycles-pp.reweight_entity 0.16 ± 12% -0.1 0.05 ± 47% perf-profile.self.cycles-pp.ttwu_queue_wakelist 0.23 ± 7% -0.1 0.12 ± 8% perf-profile.self.cycles-pp.do_idle 0.23 ± 2% -0.1 0.12 ± 8% perf-profile.self.cycles-pp.enqueue_entity 0.22 ± 3% -0.1 0.12 ± 9% perf-profile.self.cycles-pp.poll_idle 0.24 ± 6% -0.1 0.14 ± 10% perf-profile.self.cycles-pp.___perf_sw_event 0.25 ± 4% -0.1 0.15 ± 8% perf-profile.self.cycles-pp.__update_load_avg_se 0.19 ± 2% -0.1 0.09 ± 13% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack 0.18 ± 9% -0.1 0.09 ± 10% perf-profile.self.cycles-pp.cpuidle_idle_call 0.16 ± 11% -0.1 0.07 ± 16% perf-profile.self.cycles-pp.__enqueue_entity 0.21 ± 2% -0.1 0.12 ± 10% perf-profile.self.cycles-pp.cpuidle_enter_state 0.17 ± 2% -0.1 0.09 ± 8% perf-profile.self.cycles-pp.read 0.14 ± 5% -0.1 0.05 ± 45% perf-profile.self.cycles-pp.vfs_write 0.17 ± 4% -0.1 0.09 ± 15% perf-profile.self.cycles-pp.dequeue_entity 0.18 ± 4% -0.1 0.10 ± 15% perf-profile.self.cycles-pp.update_curr 0.16 ± 2% -0.1 0.08 ± 8% perf-profile.self.cycles-pp.__wrgsbase_inactive 0.18 ± 9% -0.1 0.10 ± 13% perf-profile.self.cycles-pp.apparmor_file_permission 1.83 -0.1 1.76 perf-profile.self.cycles-pp.prepare_to_wait_event 0.14 ± 5% -0.1 0.07 ± 13% perf-profile.self.cycles-pp.__calc_delta 0.13 ± 6% -0.1 0.06 ± 11% perf-profile.self.cycles-pp.newidle_balance 0.11 ± 11% -0.1 0.05 ± 45% perf-profile.self.cycles-pp.__entry_text_start 0.13 ± 14% -0.1 0.07 ± 11% perf-profile.self.cycles-pp.write 0.15 ± 6% -0.1 0.08 ± 10% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.16 ± 10% -0.1 0.10 ± 10% perf-profile.self.cycles-pp.read_tsc 0.09 ± 9% -0.1 0.02 ± 99% perf-profile.self.cycles-pp.call_cpuidle 0.12 ± 4% -0.1 0.05 ± 47% perf-profile.self.cycles-pp.ktime_get 0.10 ± 4% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.try_to_wake_up 0.13 ± 3% -0.1 0.07 ± 11% perf-profile.self.cycles-pp.dequeue_task_fair 0.09 ± 18% -0.1 0.03 ± 70% perf-profile.self.cycles-pp.cpus_share_cache 0.09 ± 14% -0.1 0.03 ±100% perf-profile.self.cycles-pp.__dequeue_entity 0.14 ± 8% -0.1 0.09 ± 18% perf-profile.self.cycles-pp.call_function_single_prep_ipi 0.12 ± 11% -0.1 0.06 ± 17% perf-profile.self.cycles-pp.get_cpu_device 0.13 ± 7% -0.1 0.07 ± 14% perf-profile.self.cycles-pp.vfs_read 0.16 ± 3% -0.1 0.10 ± 8% perf-profile.self.cycles-pp.finish_task_switch 0.09 ± 10% -0.1 0.04 ± 71% perf-profile.self.cycles-pp.schedule_idle 0.12 ± 11% -0.1 0.07 ± 10% perf-profile.self.cycles-pp.enqueue_task_fair 0.11 ± 8% -0.0 0.06 ± 7% perf-profile.self.cycles-pp.select_task_rq_fair 0.15 ± 3% -0.0 0.10 ± 9% perf-profile.self.cycles-pp.pick_next_task_fair 0.12 ± 6% -0.0 0.07 ± 12% perf-profile.self.cycles-pp.__fget_light 0.14 ± 3% -0.0 0.10 ± 5% perf-profile.self.cycles-pp.perf_adjust_freq_unthr_context 0.07 ± 7% -0.0 0.03 ±100% perf-profile.self.cycles-pp.os_xsave 0.10 ± 12% -0.0 0.06 ± 17% perf-profile.self.cycles-pp.switch_fpu_return 0.12 ± 7% -0.0 0.09 ± 14% perf-profile.self.cycles-pp.anon_pipe_buf_release 0.09 ± 9% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.__intel_pmu_enable_all 0.10 ± 9% -0.0 0.08 ± 12% perf-profile.self.cycles-pp.restore_fpregs_from_fpstate 0.09 ± 10% -0.0 0.07 ± 8% perf-profile.self.cycles-pp.ct_kernel_exit_state 0.08 ± 5% -0.0 0.06 ± 11% perf-profile.self.cycles-pp.stress_pipeherd_read_write 0.20 ± 4% +0.1 0.28 ± 6% perf-profile.self.cycles-pp.__wake_up_common 1.03 +0.1 1.14 ± 2% perf-profile.self.cycles-pp.mutex_unlock 0.39 +0.2 0.56 ± 3% perf-profile.self.cycles-pp.__list_del_entry_valid_or_report 0.18 ± 6% +0.2 0.37 ± 3% perf-profile.self.cycles-pp.osq_unlock 1.20 ± 5% +0.3 1.46 perf-profile.self.cycles-pp.mutex_lock 1.10 ± 2% +0.9 1.99 ± 2% perf-profile.self.cycles-pp.__mutex_lock 1.44 ± 4% +1.1 2.51 ± 2% perf-profile.self.cycles-pp.mutex_spin_on_owner 40.56 +4.5 45.09 perf-profile.self.cycles-pp.intel_idle 1.26 ± 4% +6.0 7.30 ± 2% perf-profile.self.cycles-pp.osq_lock 8.55 ± 2% +8.4 16.92 ± 3% perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 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