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Message-ID: <202506161643.ab40fa8e-lkp@intel.com>
Date: Mon, 16 Jun 2025 16:28:12 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Pan Deng <pan.deng@...el.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Tianyou Li
<tianyou.li@...el.com>, Tim Chen <tim.c.chen@...ux.intel.com>,
<linux-kernel@...r.kernel.org>, <aubrey.li@...ux.intel.com>,
<yu.c.chen@...el.com>, <peterz@...radead.org>, <mingo@...nel.org>,
<pan.deng@...el.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH] sched/rt: optimize cpupri_vec layout
Hello,
kernel test robot noticed a 67.7% improvement of stress-ng.mutex.ops_per_sec on:
commit: cd316a87572309a79102940e1856ee877740156e ("[PATCH] sched/rt: optimize cpupri_vec layout")
url: https://github.com/intel-lab-lkp/linux/commits/Pan-Deng/sched-rt-optimize-cpupri_vec-layout/20250612-110857
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git b01f2d9597250e9c4011cb78d8d46287deaa6a69
patch link: https://lore.kernel.org/all/20250612031148.455046-1-pan.deng@intel.com/
patch subject: [PATCH] sched/rt: optimize cpupri_vec layout
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: mutex
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250616/202506161643.ab40fa8e-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-12/performance/x86_64-rhel-9.4/100%/debian-12-x86_64-20240206.cgz/lkp-srf-2sp2/mutex/stress-ng/60s
commit:
b01f2d9597 ("sched/eevdf: Correct the comment in place_entity")
cd316a8757 ("sched/rt: optimize cpupri_vec layout")
b01f2d9597250e9c cd316a87572309a79102940e185
---------------- ---------------------------
%stddev %change %stddev
\ | \
22409567 +52.5% 34179472 ± 3% cpuidle..usage
21410 ± 30% +26.2% 27010 ± 16% numa-vmstat.node0.nr_slab_reclaimable
0.07 ± 2% +0.0 0.09 ± 2% mpstat.cpu.all.soft%
1.06 +0.6 1.63 ± 3% mpstat.cpu.all.usr%
85656 ± 30% +26.1% 108025 ± 16% numa-meminfo.node0.KReclaimable
85656 ± 30% +26.1% 108025 ± 16% numa-meminfo.node0.SReclaimable
2398650 +60.1% 3839452 ± 2% vmstat.system.cs
1650319 +44.1% 2378651 vmstat.system.in
1821 ± 7% +28.5% 2340 ± 14% perf-c2c.DRAM.local
17138 ± 14% +86.2% 31915 ± 17% perf-c2c.DRAM.remote
91166 ± 16% +134.9% 214147 ± 19% perf-c2c.HITM.local
13399 ± 13% +104.1% 27347 ± 16% perf-c2c.HITM.remote
104565 ± 15% +131.0% 241494 ± 19% perf-c2c.HITM.total
125201 ± 2% -39.4% 75820 ± 2% stress-ng.mutex.nanosecs_per_mutex
85791341 +67.7% 1.438e+08 stress-ng.mutex.ops
1429837 +67.7% 2397156 stress-ng.mutex.ops_per_sec
68606706 +63.5% 1.122e+08 ± 2% stress-ng.time.involuntary_context_switches
9345 -1.3% 9226 stress-ng.time.system_time
99.39 +61.2% 160.24 stress-ng.time.user_time
56563097 +57.6% 89151856 ± 2% stress-ng.time.voluntary_context_switches
7.208e+09 ± 2% +42.9% 1.03e+10 perf-stat.i.branch-instructions
52257508 +47.5% 77078460 ± 2% perf-stat.i.branch-misses
37265287 ± 2% +34.4% 50098262 ± 3% perf-stat.i.cache-misses
2.416e+08 +42.7% 3.449e+08 ± 2% perf-stat.i.cache-references
2500366 +60.9% 4022250 ± 2% perf-stat.i.context-switches
20.66 -29.7% 14.53 perf-stat.i.cpi
490637 +60.9% 789567 ± 2% perf-stat.i.cpu-migrations
15477 ± 4% -25.1% 11585 ± 3% perf-stat.i.cycles-between-cache-misses
3.356e+10 ± 2% +44.2% 4.838e+10 perf-stat.i.instructions
0.06 ± 9% +36.2% 0.08 perf-stat.i.ipc
15.58 +60.8% 25.06 ± 2% perf-stat.i.metric.K/sec
17.01 ± 2% -29.9% 11.93 perf-stat.overall.cpi
15347 ± 3% -24.8% 11539 ± 3% perf-stat.overall.cycles-between-cache-misses
0.06 ± 2% +42.5% 0.08 perf-stat.overall.ipc
7.096e+09 ± 2% +42.6% 1.012e+10 perf-stat.ps.branch-instructions
51310401 +47.6% 75731432 ± 2% perf-stat.ps.branch-misses
36634137 ± 2% +34.4% 49233432 ± 3% perf-stat.ps.cache-misses
2.378e+08 +42.6% 3.392e+08 ± 2% perf-stat.ps.cache-references
2462472 +60.7% 3956471 ± 2% perf-stat.ps.context-switches
483238 +60.7% 776702 ± 2% perf-stat.ps.cpu-migrations
3.304e+10 ± 2% +43.9% 4.756e+10 perf-stat.ps.instructions
2.059e+12 ± 2% +43.2% 2.949e+12 perf-stat.total.instructions
0.61 ± 54% -66.1% 0.21 ± 34% perf-sched.sch_delay.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio
0.57 ± 63% -79.0% 0.12 ±137% perf-sched.sch_delay.avg.ms.__cond_resched.__do_fault.do_read_fault.do_pte_missing.__handle_mm_fault
20.28 ±215% -98.8% 0.25 ± 40% perf-sched.sch_delay.avg.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
5.85 ±133% -96.7% 0.19 ± 48% perf-sched.sch_delay.avg.ms.__cond_resched.change_pud_range.isra.0.change_protection_range
0.62 ± 41% -65.0% 0.22 ± 31% perf-sched.sch_delay.avg.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap
0.42 ± 34% -52.4% 0.20 ± 30% perf-sched.sch_delay.avg.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap
0.46 ± 42% -54.1% 0.21 ± 45% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma
0.50 ± 72% -49.6% 0.25 ± 20% perf-sched.sch_delay.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region
0.47 ± 34% -62.9% 0.18 ± 29% perf-sched.sch_delay.avg.ms.__cond_resched.mmput.m_stop.seq_read_iter.seq_read
0.23 ± 56% -85.7% 0.03 ±154% perf-sched.sch_delay.avg.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm
248.83 ± 26% -60.2% 99.05 ± 73% perf-sched.sch_delay.avg.ms.anon_pipe_read.fifo_pipe_read.vfs_read.ksys_read
9.67 ±167% -97.1% 0.28 ± 21% perf-sched.sch_delay.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown].[unknown]
83.18 ± 21% -68.9% 25.88 ± 26% perf-sched.sch_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
4.32 ± 91% -84.6% 0.67 ± 24% perf-sched.sch_delay.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio
0.90 ± 74% -75.6% 0.22 ±139% perf-sched.sch_delay.max.ms.__cond_resched.__do_fault.do_read_fault.do_pte_missing.__handle_mm_fault
1.40 ± 48% -74.1% 0.36 ± 85% perf-sched.sch_delay.max.ms.__cond_resched.__kmalloc_cache_noprof.vmstat_start.seq_read_iter.proc_reg_read_iter
358.00 ±219% -99.8% 0.86 ± 51% perf-sched.sch_delay.max.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
1.18 ± 47% -65.3% 0.41 ± 52% perf-sched.sch_delay.max.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap
1.20 ± 53% -70.4% 0.35 ± 58% perf-sched.sch_delay.max.ms.__cond_resched.down_read.walk_component.link_path_walk.path_openat
1.30 ± 34% -68.0% 0.42 ± 73% perf-sched.sch_delay.max.ms.__cond_resched.mmput.m_stop.seq_read_iter.seq_read
1.03 ± 40% -55.5% 0.46 ± 21% perf-sched.sch_delay.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init
0.30 ± 65% -88.9% 0.03 ±154% perf-sched.sch_delay.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm
281.41 ± 38% +143.8% 686.20 ± 35% perf-sched.sch_delay.max.ms.__cond_resched.shmem_inode_acct_blocks.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_write_begin
0.72 ± 81% -70.7% 0.21 ± 83% perf-sched.sch_delay.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
888.12 ±173% -99.4% 5.74 ± 97% perf-sched.sch_delay.max.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown].[unknown]
2.66 ± 7% -15.2% 2.25 ± 5% perf-sched.total_wait_and_delay.average.ms
1.68 ± 7% -18.0% 1.38 ± 6% perf-sched.total_wait_time.average.ms
1092 ± 6% -21.5% 857.36 ± 12% perf-sched.wait_and_delay.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
1160 ± 11% -37.2% 728.54 ± 28% perf-sched.wait_and_delay.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
342.17 ± 8% -16.0% 287.50 perf-sched.wait_and_delay.count.__cond_resched.__wait_for_common.affine_move_task.__set_cpus_allowed_ptr.__sched_setaffinity
7.50 ± 27% -60.0% 3.00 ± 76% perf-sched.wait_and_delay.count.__cond_resched.rcu_gp_cleanup.rcu_gp_kthread.kthread.ret_from_fork
3012 ± 9% +30.1% 3919 ± 9% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_call_function_single.[unknown].[unknown]
2811 ± 5% +32.8% 3732 ± 7% perf-sched.wait_and_delay.count.irqentry_exit_to_user_mode.asm_sysvec_reschedule_ipi.[unknown].[unknown]
116.17 ± 21% -37.9% 72.17 ± 26% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_fqs_loop.rcu_gp_kthread.kthread
699.17 ± 3% -24.6% 527.50 ± 5% perf-sched.wait_and_delay.count.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
249.00 ± 2% -38.5% 153.17 ± 8% perf-sched.wait_and_delay.count.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
562.82 ± 38% +174.7% 1546 ± 51% perf-sched.wait_and_delay.max.ms.__cond_resched.shmem_inode_acct_blocks.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_write_begin
0.95 ± 97% -78.2% 0.21 ± 34% perf-sched.wait_time.avg.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio
0.57 ± 63% -79.0% 0.12 ±137% perf-sched.wait_time.avg.ms.__cond_resched.__do_fault.do_read_fault.do_pte_missing.__handle_mm_fault
5.85 ±133% -96.7% 0.19 ± 48% perf-sched.wait_time.avg.ms.__cond_resched.change_pud_range.isra.0.change_protection_range
0.62 ± 41% -65.0% 0.22 ± 31% perf-sched.wait_time.avg.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap
0.42 ± 34% -52.4% 0.20 ± 30% perf-sched.wait_time.avg.ms.__cond_resched.down_write.unlink_anon_vmas.free_pgtables.exit_mmap
0.35 ± 20% -45.7% 0.19 ± 49% perf-sched.wait_time.avg.ms.__cond_resched.dput.step_into.link_path_walk.path_openat
0.46 ± 42% -54.1% 0.21 ± 45% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.mas_alloc_nodes.mas_preallocate.__mmap_new_vma
0.50 ± 72% -49.6% 0.25 ± 20% perf-sched.wait_time.avg.ms.__cond_resched.kmem_cache_alloc_noprof.vm_area_alloc.__mmap_new_vma.__mmap_region
0.47 ± 34% -62.9% 0.18 ± 29% perf-sched.wait_time.avg.ms.__cond_resched.mmput.m_stop.seq_read_iter.seq_read
0.23 ± 56% -85.7% 0.03 ±154% perf-sched.wait_time.avg.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm
9.74 ±165% -96.2% 0.37 ± 48% perf-sched.wait_time.avg.ms.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown].[unknown]
1411 ± 33% -65.5% 487.33 ±141% perf-sched.wait_time.avg.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
1009 ± 7% -17.6% 831.48 ± 12% perf-sched.wait_time.avg.ms.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm
1150 ± 12% -37.7% 717.38 ± 28% perf-sched.wait_time.avg.ms.worker_thread.kthread.ret_from_fork.ret_from_fork_asm
10.09 ±138% -93.4% 0.67 ± 24% perf-sched.wait_time.max.ms.__cond_resched.__alloc_frozen_pages_noprof.alloc_pages_mpol.vma_alloc_folio_noprof.alloc_anon_folio
0.90 ± 74% -75.6% 0.22 ±139% perf-sched.wait_time.max.ms.__cond_resched.__do_fault.do_read_fault.do_pte_missing.__handle_mm_fault
1.40 ± 48% -74.1% 0.36 ± 85% perf-sched.wait_time.max.ms.__cond_resched.__kmalloc_cache_noprof.vmstat_start.seq_read_iter.proc_reg_read_iter
715.15 ±160% -99.7% 2.21 ±133% perf-sched.wait_time.max.ms.__cond_resched.__wait_for_common.wait_for_completion_state.kernel_clone.__x64_sys_vfork
1.18 ± 47% -65.3% 0.41 ± 52% perf-sched.wait_time.max.ms.__cond_resched.copy_pte_range.copy_p4d_range.copy_page_range.dup_mmap
1.20 ± 53% -70.4% 0.35 ± 58% perf-sched.wait_time.max.ms.__cond_resched.down_read.walk_component.link_path_walk.path_openat
1.30 ± 34% -68.0% 0.42 ± 73% perf-sched.wait_time.max.ms.__cond_resched.mmput.m_stop.seq_read_iter.seq_read
1.03 ± 40% -55.5% 0.46 ± 21% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.__percpu_counter_init_many.mm_init
0.30 ± 65% -88.9% 0.03 ±154% perf-sched.wait_time.max.ms.__cond_resched.mutex_lock_killable.pcpu_alloc_noprof.mm_init.dup_mm
281.41 ± 38% +205.6% 859.89 ± 67% perf-sched.wait_time.max.ms.__cond_resched.shmem_inode_acct_blocks.shmem_alloc_and_add_folio.shmem_get_folio_gfp.shmem_write_begin
167.37 ±222% -99.9% 0.21 ± 83% perf-sched.wait_time.max.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
31.88 -1.9 30.02 perf-profile.calltrace.cycles-pp.__schedule.schedule.futex_do_wait.__futex_wait.futex_wait
31.90 -1.9 30.05 perf-profile.calltrace.cycles-pp.schedule.futex_do_wait.__futex_wait.futex_wait.do_futex
31.96 -1.8 30.14 perf-profile.calltrace.cycles-pp.futex_do_wait.__futex_wait.futex_wait.do_futex.__x64_sys_futex
32.28 -1.7 30.62 perf-profile.calltrace.cycles-pp.__futex_wait.futex_wait.do_futex.__x64_sys_futex.do_syscall_64
9.30 ± 3% -1.6 7.66 ± 5% perf-profile.calltrace.cycles-pp.pull_rt_task.balance_callbacks.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler
32.29 -1.6 30.65 perf-profile.calltrace.cycles-pp.futex_wait.do_futex.__x64_sys_futex.do_syscall_64.entry_SYSCALL_64_after_hwframe
26.81 -1.6 25.25 perf-profile.calltrace.cycles-pp.find_lock_lowest_rq.push_rt_task.push_rt_tasks.finish_task_switch.__schedule
10.51 ± 3% -1.5 9.00 ± 5% perf-profile.calltrace.cycles-pp.balance_callbacks.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler.__x64_sys_sched_setscheduler
13.57 -1.5 12.11 ± 4% perf-profile.calltrace.cycles-pp.cpupri_find_fitness.find_lowest_rq.find_lock_lowest_rq.push_rt_task.push_rt_tasks
13.55 -1.5 12.09 ± 4% perf-profile.calltrace.cycles-pp.__cpupri_find.cpupri_find_fitness.find_lowest_rq.find_lock_lowest_rq.push_rt_task
13.61 -1.4 12.17 ± 4% perf-profile.calltrace.cycles-pp.find_lowest_rq.find_lock_lowest_rq.push_rt_task.push_rt_tasks.finish_task_switch
5.90 ± 3% -1.2 4.68 ± 4% perf-profile.calltrace.cycles-pp.pull_rt_task.balance_rt.__pick_next_task.__schedule.schedule
5.92 ± 3% -1.2 4.70 ± 4% perf-profile.calltrace.cycles-pp.balance_rt.__pick_next_task.__schedule.schedule.futex_do_wait
32.27 -1.2 31.09 perf-profile.calltrace.cycles-pp.push_rt_task.push_rt_tasks.finish_task_switch.__schedule.schedule
38.40 -0.9 37.47 perf-profile.calltrace.cycles-pp.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler.__x64_sys_sched_setscheduler.do_syscall_64
38.47 -0.9 37.57 perf-profile.calltrace.cycles-pp._sched_setscheduler.do_sched_setscheduler.__x64_sys_sched_setscheduler.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.36 -0.9 18.47 perf-profile.calltrace.cycles-pp.push_rt_tasks.finish_task_switch.__schedule.schedule.futex_do_wait
40.08 -0.9 39.21 perf-profile.calltrace.cycles-pp.do_futex.__x64_sys_futex.do_syscall_64.entry_SYSCALL_64_after_hwframe
40.10 -0.9 39.23 perf-profile.calltrace.cycles-pp.__x64_sys_futex.do_syscall_64.entry_SYSCALL_64_after_hwframe
19.82 -0.8 18.98 perf-profile.calltrace.cycles-pp.finish_task_switch.__schedule.schedule.futex_do_wait.__futex_wait
7.86 ± 2% -0.8 7.05 ± 4% perf-profile.calltrace.cycles-pp.__pick_next_task.__schedule.schedule.futex_do_wait.__futex_wait
38.68 -0.8 37.89 perf-profile.calltrace.cycles-pp.do_sched_setscheduler.__x64_sys_sched_setscheduler.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_setscheduler
38.68 -0.8 37.89 perf-profile.calltrace.cycles-pp.__x64_sys_sched_setscheduler.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_setscheduler
42.56 -0.8 41.79 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_setscheduler
42.57 -0.8 41.81 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__sched_setscheduler
11.76 -0.8 11.01 ± 2% perf-profile.calltrace.cycles-pp.cpupri_set.enqueue_task_rt.enqueue_task.__sched_setscheduler._sched_setscheduler
41.14 -0.7 40.41 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
41.14 -0.7 40.42 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
42.78 -0.6 42.15 perf-profile.calltrace.cycles-pp.__sched_setscheduler
12.24 -0.5 11.75 ± 2% perf-profile.calltrace.cycles-pp.cpupri_set.dequeue_rt_stack.dequeue_task_rt.__sched_setscheduler._sched_setscheduler
3.53 ± 2% -0.5 3.04 ± 3% perf-profile.calltrace.cycles-pp.cpupri_set.dequeue_rt_stack.dequeue_task_rt.try_to_block_task.__schedule
3.56 ± 2% -0.5 3.08 ± 3% perf-profile.calltrace.cycles-pp.dequeue_rt_stack.dequeue_task_rt.try_to_block_task.__schedule.schedule
12.30 -0.5 11.83 ± 2% perf-profile.calltrace.cycles-pp.dequeue_rt_stack.dequeue_task_rt.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler
3.62 ± 2% -0.4 3.23 ± 3% perf-profile.calltrace.cycles-pp.try_to_block_task.__schedule.schedule.futex_do_wait.__futex_wait
2.19 ± 3% -0.4 1.80 ± 3% perf-profile.calltrace.cycles-pp.cpupri_set.enqueue_task_rt.enqueue_task.activate_task.push_rt_task
3.62 ± 2% -0.4 3.23 ± 3% perf-profile.calltrace.cycles-pp.dequeue_task_rt.try_to_block_task.__schedule.schedule.futex_do_wait
2.27 ± 3% -0.2 2.04 ± 2% perf-profile.calltrace.cycles-pp.enqueue_task_rt.enqueue_task.activate_task.push_rt_task.push_rt_tasks
4.20 -0.2 4.01 perf-profile.calltrace.cycles-pp.finish_task_switch.__schedule.schedule.exit_to_user_mode_loop.do_syscall_64
3.90 -0.2 3.72 perf-profile.calltrace.cycles-pp.push_rt_tasks.finish_task_switch.__schedule.schedule.exit_to_user_mode_loop
0.96 +0.0 1.00 perf-profile.calltrace.cycles-pp.__pick_next_task.__schedule.schedule_idle.do_idle.cpu_startup_entry
0.96 ± 2% +0.1 1.05 ± 4% perf-profile.calltrace.cycles-pp.enqueue_pushable_task.enqueue_task.activate_task.push_rt_task.push_rt_tasks
1.32 +0.1 1.43 ± 3% perf-profile.calltrace.cycles-pp.finish_task_switch.__schedule.schedule_idle.do_idle.cpu_startup_entry
1.56 ± 3% +0.1 1.67 ± 3% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.__sched_setscheduler
1.19 ± 2% +0.1 1.31 ± 3% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.finish_task_switch
1.56 ± 3% +0.1 1.68 ± 3% perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.__sched_setscheduler._sched_setscheduler
1.57 ± 3% +0.1 1.69 ± 3% perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler
1.20 ± 2% +0.1 1.32 ± 3% perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.finish_task_switch.__schedule
1.00 +0.1 1.13 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.raw_spin_rq_lock_nested.balance_callbacks.__sched_setscheduler
1.20 ± 2% +0.1 1.33 ± 3% perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.finish_task_switch.__schedule.schedule_idle
1.59 ± 3% +0.1 1.72 ± 3% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler.__x64_sys_sched_setscheduler
0.93 ± 4% +0.1 1.06 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.raw_spin_rq_lock_nested.task_rq_lock.__sched_setscheduler
1.03 +0.1 1.16 ± 3% perf-profile.calltrace.cycles-pp.raw_spin_rq_lock_nested.balance_callbacks.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler
1.02 +0.1 1.15 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock.raw_spin_rq_lock_nested.balance_callbacks.__sched_setscheduler._sched_setscheduler
1.22 ± 2% +0.1 1.34 ± 3% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.finish_task_switch.__schedule.schedule_idle.do_idle
0.96 ± 4% +0.1 1.10 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock.raw_spin_rq_lock_nested.task_rq_lock.__sched_setscheduler._sched_setscheduler
0.96 ± 4% +0.1 1.10 ± 4% perf-profile.calltrace.cycles-pp.raw_spin_rq_lock_nested.task_rq_lock.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler
1.65 ± 2% +0.1 1.80 ± 3% perf-profile.calltrace.cycles-pp.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt
1.66 ± 2% +0.1 1.80 ± 3% perf-profile.calltrace.cycles-pp.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt
1.68 ± 2% +0.2 1.84 ± 3% perf-profile.calltrace.cycles-pp.sysvec_call_function_single.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry
1.81 ± 2% +0.2 1.98 ± 3% perf-profile.calltrace.cycles-pp.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state
1.11 ± 4% +0.2 1.28 ± 4% perf-profile.calltrace.cycles-pp.task_rq_lock.__sched_setscheduler._sched_setscheduler.do_sched_setscheduler.__x64_sys_sched_setscheduler
1.75 ± 2% +0.2 1.92 ± 3% perf-profile.calltrace.cycles-pp.asm_sysvec_call_function_single.pv_native_safe_halt.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter
1.92 ± 2% +0.2 2.12 ± 3% perf-profile.calltrace.cycles-pp.acpi_safe_halt.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter
1.92 ± 2% +0.2 2.13 ± 3% perf-profile.calltrace.cycles-pp.acpi_idle_do_entry.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
1.92 ± 2% +0.2 2.13 ± 3% perf-profile.calltrace.cycles-pp.acpi_idle_enter.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
1.96 ± 2% +0.2 2.17 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
10.09 +0.2 10.31 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__sched_yield
1.95 ± 2% +0.2 2.17 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
10.10 +0.2 10.32 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__sched_yield
2.02 ± 2% +0.2 2.26 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.common_startup_64
1.44 +0.3 1.69 perf-profile.calltrace.cycles-pp._raw_spin_lock.raw_spin_rq_lock_nested.sched_ttwu_pending.__flush_smp_call_function_queue.__sysvec_call_function_single
1.44 +0.3 1.69 perf-profile.calltrace.cycles-pp.raw_spin_rq_lock_nested.sched_ttwu_pending.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single
1.43 +0.3 1.68 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.raw_spin_rq_lock_nested.sched_ttwu_pending.__flush_smp_call_function_queue
0.86 +0.3 1.12 ± 4% perf-profile.calltrace.cycles-pp.dequeue_task_rt.push_rt_task.push_rt_tasks.finish_task_switch.__schedule
4.26 +0.3 4.58 ± 2% perf-profile.calltrace.cycles-pp.sched_ttwu_pending.__flush_smp_call_function_queue.__sysvec_call_function_single.sysvec_call_function_single.asm_sysvec_call_function_single
2.68 +0.3 3.01 ± 2% perf-profile.calltrace.cycles-pp.__schedule.schedule_idle.do_idle.cpu_startup_entry.start_secondary
2.69 +0.3 3.02 ± 2% perf-profile.calltrace.cycles-pp.schedule_idle.do_idle.cpu_startup_entry.start_secondary.common_startup_64
10.28 +0.4 10.63 perf-profile.calltrace.cycles-pp.__sched_yield
4.90 +0.6 5.53 perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.common_startup_64
4.90 +0.6 5.53 perf-profile.calltrace.cycles-pp.start_secondary.common_startup_64
4.90 +0.6 5.53 perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.common_startup_64
4.94 +0.6 5.57 perf-profile.calltrace.cycles-pp.common_startup_64
0.00 +0.7 0.72 ± 8% perf-profile.calltrace.cycles-pp.balance_fair.__pick_next_task.__schedule.schedule.futex_do_wait
0.00 +0.7 0.72 ± 8% perf-profile.calltrace.cycles-pp.sched_balance_newidle.balance_fair.__pick_next_task.__schedule.schedule
7.78 ± 3% +0.8 8.55 ± 3% perf-profile.calltrace.cycles-pp.futex_wake.do_futex.__x64_sys_futex.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.75 ± 8% +5.8 6.56 ± 6% perf-profile.calltrace.cycles-pp._find_first_and_bit.__cpupri_find.cpupri_find_fitness.find_lowest_rq.find_lock_lowest_rq
15.21 ± 3% -2.9 12.34 ± 5% perf-profile.children.cycles-pp.pull_rt_task
32.03 -2.8 29.24 ± 2% perf-profile.children.cycles-pp.cpupri_set
46.02 -1.9 44.16 perf-profile.children.cycles-pp.schedule
31.96 -1.8 30.14 perf-profile.children.cycles-pp.futex_do_wait
32.28 -1.7 30.63 perf-profile.children.cycles-pp.__futex_wait
32.29 -1.6 30.65 perf-profile.children.cycles-pp.futex_wait
28.29 -1.6 26.73 perf-profile.children.cycles-pp.find_lock_lowest_rq
48.72 -1.5 47.18 perf-profile.children.cycles-pp.__schedule
81.25 -1.5 79.73 perf-profile.children.cycles-pp.__sched_setscheduler
15.35 -1.5 13.84 ± 4% perf-profile.children.cycles-pp.cpupri_find_fitness
15.33 -1.5 13.82 ± 5% perf-profile.children.cycles-pp.__cpupri_find
10.53 ± 3% -1.5 9.02 ± 5% perf-profile.children.cycles-pp.balance_callbacks
15.39 -1.5 13.90 ± 4% perf-profile.children.cycles-pp.find_lowest_rq
93.88 -1.3 92.61 perf-profile.children.cycles-pp.do_syscall_64
93.90 -1.2 92.65 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
5.94 ± 3% -1.2 4.72 ± 4% perf-profile.children.cycles-pp.balance_rt
32.36 -1.2 31.21 perf-profile.children.cycles-pp.push_rt_tasks
34.19 -1.1 33.09 perf-profile.children.cycles-pp.push_rt_task
34.74 -1.0 33.76 perf-profile.children.cycles-pp.finish_task_switch
15.91 -0.9 14.98 ± 2% perf-profile.children.cycles-pp.dequeue_rt_stack
38.47 -0.9 37.57 perf-profile.children.cycles-pp._sched_setscheduler
40.08 -0.9 39.21 perf-profile.children.cycles-pp.do_futex
40.10 -0.9 39.23 perf-profile.children.cycles-pp.__x64_sys_futex
38.68 -0.8 37.89 perf-profile.children.cycles-pp.__x64_sys_sched_setscheduler
38.68 -0.8 37.89 perf-profile.children.cycles-pp.do_sched_setscheduler
9.06 ± 2% -0.7 8.40 ± 3% perf-profile.children.cycles-pp.__pick_next_task
3.62 ± 2% -0.4 3.23 ± 3% perf-profile.children.cycles-pp.try_to_block_task
0.22 ± 2% -0.1 0.16 ± 5% perf-profile.children.cycles-pp.sched_tick
0.26 ± 2% -0.1 0.20 ± 3% perf-profile.children.cycles-pp.tick_nohz_handler
0.26 -0.1 0.20 ± 4% perf-profile.children.cycles-pp.__hrtimer_run_queues
0.44 ± 2% -0.1 0.38 ± 4% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
0.25 ± 2% -0.1 0.19 ± 2% perf-profile.children.cycles-pp.update_process_times
0.30 ± 2% -0.1 0.24 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
0.42 ± 2% -0.1 0.36 ± 4% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
0.29 -0.1 0.23 ± 4% perf-profile.children.cycles-pp.hrtimer_interrupt
0.20 ± 4% -0.0 0.16 ± 12% perf-profile.children.cycles-pp.sched_balance_update_blocked_averages
0.36 -0.0 0.32 perf-profile.children.cycles-pp.irq_work_single
0.09 ± 6% -0.0 0.06 ± 13% perf-profile.children.cycles-pp.sched_balance_rq
0.04 ± 45% +0.0 0.06 ± 7% perf-profile.children.cycles-pp.menu_select
0.06 ± 6% +0.0 0.08 ± 10% perf-profile.children.cycles-pp.plist_add
0.06 ± 8% +0.0 0.08 ± 5% perf-profile.children.cycles-pp.native_irq_return_iret
0.13 ± 3% +0.0 0.16 ± 4% perf-profile.children.cycles-pp.irqentry_exit_to_user_mode
0.05 +0.0 0.08 perf-profile.children.cycles-pp.pick_task_rt
0.04 ± 44% +0.0 0.07 ± 9% perf-profile.children.cycles-pp.do_perf_trace_sched_stat_runtime
0.06 ± 8% +0.0 0.09 ± 4% perf-profile.children.cycles-pp._copy_from_user
0.06 ± 7% +0.0 0.10 ± 4% perf-profile.children.cycles-pp.find_task_by_vpid
0.04 ± 44% +0.0 0.07 ± 6% perf-profile.children.cycles-pp.sched_mm_cid_migrate_to
0.10 ± 8% +0.0 0.13 ± 6% perf-profile.children.cycles-pp.prepare_task_switch
0.07 ± 11% +0.0 0.10 ± 8% perf-profile.children.cycles-pp.llist_reverse_order
0.06 ± 9% +0.0 0.10 ± 10% perf-profile.children.cycles-pp.pthread_mutex_lock
0.08 +0.0 0.12 ± 5% perf-profile.children.cycles-pp.sched_clock
0.05 ± 7% +0.0 0.09 perf-profile.children.cycles-pp.__get_user_8
0.06 ± 6% +0.0 0.10 ± 3% perf-profile.children.cycles-pp.rseq_get_rseq_cs
0.07 +0.0 0.11 ± 4% perf-profile.children.cycles-pp.__resched_curr
0.09 ± 4% +0.0 0.13 ± 5% perf-profile.children.cycles-pp.sched_clock_cpu
0.08 ± 6% +0.0 0.12 ± 4% perf-profile.children.cycles-pp.futex_unqueue
0.10 ± 9% +0.0 0.14 ± 6% perf-profile.children.cycles-pp.native_sched_clock
0.08 ± 8% +0.0 0.13 perf-profile.children.cycles-pp.find_get_task
0.09 ± 4% +0.0 0.14 perf-profile.children.cycles-pp.wakeup_preempt
0.00 +0.1 0.05 perf-profile.children.cycles-pp.raw_spin_rq_trylock
0.10 ± 6% +0.1 0.15 ± 4% perf-profile.children.cycles-pp.futex_wake_mark
0.09 ± 5% +0.1 0.14 ± 3% perf-profile.children.cycles-pp.rseq_ip_fixup
0.09 ± 4% +0.1 0.14 ± 4% perf-profile.children.cycles-pp.pthread_setschedparam
0.10 ± 7% +0.1 0.16 ± 6% perf-profile.children.cycles-pp.do_perf_trace_sched_wakeup_template
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.___perf_sw_event
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.__x2apic_send_IPI_dest
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.native_apic_msr_eoi
0.11 ± 6% +0.1 0.17 ± 6% perf-profile.children.cycles-pp.ttwu_queue_wakelist
0.09 ± 4% +0.1 0.15 ± 2% perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.11 ± 4% +0.1 0.17 ± 2% perf-profile.children.cycles-pp.stress_mutex_exercise
0.00 +0.1 0.06 perf-profile.children.cycles-pp.sysvec_reschedule_ipi
0.13 ± 5% +0.1 0.19 ± 4% perf-profile.children.cycles-pp.update_rq_clock
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.rseq_update_cpu_node_id
0.13 ± 5% +0.1 0.20 ± 3% perf-profile.children.cycles-pp.update_rq_clock_task
0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.__smp_call_single_queue
0.10 ± 4% +0.1 0.17 ± 2% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.00 +0.1 0.07 ± 7% perf-profile.children.cycles-pp.__radix_tree_lookup
0.16 ± 7% +0.1 0.22 ± 7% perf-profile.children.cycles-pp.update_curr_common
0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp.__wrgsbase_inactive
0.10 ± 5% +0.1 0.17 ± 2% perf-profile.children.cycles-pp.rt_mutex_adjust_pi
0.13 ± 3% +0.1 0.20 perf-profile.children.cycles-pp.switch_mm_irqs_off
0.14 ± 4% +0.1 0.22 ± 3% perf-profile.children.cycles-pp.__rseq_handle_notify_resume
0.17 ± 5% +0.1 0.26 ± 5% perf-profile.children.cycles-pp.__futex_hash
0.24 ± 3% +0.1 0.34 ± 2% perf-profile.children.cycles-pp._raw_spin_lock_irqsave
0.17 ± 3% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.os_xsave
0.15 ± 4% +0.1 0.25 ± 3% perf-profile.children.cycles-pp.__switch_to
0.24 ± 2% +0.1 0.34 ± 3% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi
0.18 ± 2% +0.1 0.29 perf-profile.children.cycles-pp.set_load_weight
0.22 ± 4% +0.1 0.34 ± 5% perf-profile.children.cycles-pp.futex_wait_setup
0.23 ± 2% +0.2 0.38 ± 2% perf-profile.children.cycles-pp.restore_fpregs_from_fpstate
1.12 ± 4% +0.2 1.29 ± 4% perf-profile.children.cycles-pp.task_rq_lock
0.28 +0.2 0.46 ± 2% perf-profile.children.cycles-pp.switch_fpu_return
0.36 ± 5% +0.2 0.55 ± 4% perf-profile.children.cycles-pp.futex_hash
1.93 ± 2% +0.2 2.14 ± 3% perf-profile.children.cycles-pp.acpi_idle_do_entry
1.93 ± 2% +0.2 2.14 ± 3% perf-profile.children.cycles-pp.acpi_safe_halt
1.93 ± 2% +0.2 2.14 ± 3% perf-profile.children.cycles-pp.pv_native_safe_halt
1.93 ± 2% +0.2 2.14 ± 3% perf-profile.children.cycles-pp.acpi_idle_enter
1.97 ± 2% +0.2 2.18 ± 3% perf-profile.children.cycles-pp.cpuidle_enter_state
1.97 ± 2% +0.2 2.19 ± 3% perf-profile.children.cycles-pp.cpuidle_enter
2.04 ± 2% +0.2 2.28 ± 3% perf-profile.children.cycles-pp.cpuidle_idle_call
3.62 +0.3 3.88 ± 3% perf-profile.children.cycles-pp.enqueue_pushable_task
0.40 ± 4% +0.3 0.72 ± 8% perf-profile.children.cycles-pp.balance_fair
0.40 ± 4% +0.3 0.72 ± 8% perf-profile.children.cycles-pp.sched_balance_newidle
2.71 +0.3 3.05 ± 2% perf-profile.children.cycles-pp.schedule_idle
5.99 +0.3 6.33 perf-profile.children.cycles-pp.ttwu_do_activate
10.30 +0.4 10.67 perf-profile.children.cycles-pp.__sched_yield
5.26 ± 2% +0.5 5.71 ± 3% perf-profile.children.cycles-pp.sched_ttwu_pending
5.71 ± 2% +0.5 6.18 ± 3% perf-profile.children.cycles-pp.__sysvec_call_function_single
5.82 ± 2% +0.5 6.30 ± 3% perf-profile.children.cycles-pp.__flush_smp_call_function_queue
5.76 ± 2% +0.5 6.25 ± 3% perf-profile.children.cycles-pp.sysvec_call_function_single
5.91 ± 2% +0.6 6.48 ± 3% perf-profile.children.cycles-pp.asm_sysvec_call_function_single
4.93 +0.6 5.56 perf-profile.children.cycles-pp.do_idle
4.90 +0.6 5.53 perf-profile.children.cycles-pp.start_secondary
4.94 +0.6 5.57 perf-profile.children.cycles-pp.common_startup_64
4.94 +0.6 5.57 perf-profile.children.cycles-pp.cpu_startup_entry
7.78 ± 3% +0.8 8.55 ± 3% perf-profile.children.cycles-pp.futex_wake
1.45 ± 8% +6.0 7.48 ± 6% perf-profile.children.cycles-pp._find_first_and_bit
12.44 -7.7 4.74 ± 7% perf-profile.self.cycles-pp.__cpupri_find
14.90 ± 3% -2.9 12.04 ± 5% perf-profile.self.cycles-pp.pull_rt_task
32.02 -2.8 29.23 ± 2% perf-profile.self.cycles-pp.cpupri_set
0.08 -0.0 0.06 ± 7% perf-profile.self.cycles-pp.irq_work_single
0.06 +0.0 0.08 perf-profile.self.cycles-pp.prepare_task_switch
0.06 ± 8% +0.0 0.08 ± 6% perf-profile.self.cycles-pp.update_rq_clock
0.06 ± 9% +0.0 0.08 ± 6% perf-profile.self.cycles-pp.plist_add
0.07 ± 5% +0.0 0.09 ± 5% perf-profile.self.cycles-pp.do_sched_setscheduler
0.06 ± 6% +0.0 0.08 ± 5% perf-profile.self.cycles-pp.futex_do_wait
0.05 +0.0 0.08 ± 4% perf-profile.self.cycles-pp.pick_task_rt
0.06 ± 8% +0.0 0.08 ± 5% perf-profile.self.cycles-pp.native_irq_return_iret
0.05 +0.0 0.08 perf-profile.self.cycles-pp._copy_from_user
0.06 ± 6% +0.0 0.09 ± 6% perf-profile.self.cycles-pp.__pick_next_task
0.06 ± 11% +0.0 0.09 ± 6% perf-profile.self.cycles-pp.sched_ttwu_pending
0.05 ± 7% +0.0 0.08 ± 5% perf-profile.self.cycles-pp.push_rt_task
0.06 ± 7% +0.0 0.10 ± 6% perf-profile.self.cycles-pp.do_perf_trace_sched_wakeup_template
0.13 ± 6% +0.0 0.16 ± 5% perf-profile.self.cycles-pp.__flush_smp_call_function_queue
0.07 ± 11% +0.0 0.10 ± 8% perf-profile.self.cycles-pp.llist_reverse_order
0.05 ± 7% +0.0 0.09 ± 4% perf-profile.self.cycles-pp.__get_user_8
0.08 ± 6% +0.0 0.11 ± 3% perf-profile.self.cycles-pp.finish_task_switch
0.03 ± 70% +0.0 0.07 ± 5% perf-profile.self.cycles-pp.sched_mm_cid_migrate_to
0.06 ± 6% +0.0 0.10 perf-profile.self.cycles-pp.pthread_setschedparam
0.07 ± 6% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.futex_unqueue
0.06 ± 7% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.11 +0.0 0.15 ± 3% perf-profile.self.cycles-pp.pv_native_safe_halt
0.03 ± 70% +0.0 0.07 ± 6% perf-profile.self.cycles-pp.ttwu_queue_wakelist
0.07 +0.0 0.11 ± 6% perf-profile.self.cycles-pp.__resched_curr
0.09 ± 7% +0.0 0.13 ± 2% perf-profile.self.cycles-pp.futex_wake_mark
0.10 ± 9% +0.0 0.14 ± 7% perf-profile.self.cycles-pp.native_sched_clock
0.09 ± 5% +0.0 0.13 ± 3% perf-profile.self.cycles-pp.stress_mutex_exercise
0.00 +0.1 0.05 perf-profile.self.cycles-pp.__sched_yield
0.00 +0.1 0.05 perf-profile.self.cycles-pp.update_curr_common
0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.exit_to_user_mode_loop
0.10 ± 8% +0.1 0.15 ± 5% perf-profile.self.cycles-pp.futex_wake
0.10 ± 4% +0.1 0.16 ± 7% perf-profile.self.cycles-pp.select_task_rq_rt
0.10 ± 3% +0.1 0.16 ± 3% perf-profile.self.cycles-pp.update_rq_clock_task
0.02 ±141% +0.1 0.07 ± 9% perf-profile.self.cycles-pp.pthread_mutex_lock
0.02 ±141% +0.1 0.07 ± 6% perf-profile.self.cycles-pp.switch_fpu_return
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.__x2apic_send_IPI_dest
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.native_apic_msr_eoi
0.09 ± 4% +0.1 0.15 ± 2% perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.00 +0.1 0.06 perf-profile.self.cycles-pp.__radix_tree_lookup
0.00 +0.1 0.06 perf-profile.self.cycles-pp.__wrgsbase_inactive
0.09 ± 4% +0.1 0.15 ± 3% perf-profile.self.cycles-pp.do_syscall_64
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.rseq_update_cpu_node_id
0.00 +0.1 0.06 ± 6% perf-profile.self.cycles-pp.select_task_rq
0.19 ± 3% +0.1 0.26 perf-profile.self.cycles-pp.find_lock_lowest_rq
0.13 ± 5% +0.1 0.20 ± 4% perf-profile.self.cycles-pp.__sched_setscheduler
0.11 ± 3% +0.1 0.18 ± 4% perf-profile.self.cycles-pp.switch_mm_irqs_off
0.44 +0.1 0.51 ± 2% perf-profile.self.cycles-pp._raw_spin_lock
0.17 ± 6% +0.1 0.26 ± 4% perf-profile.self.cycles-pp.__futex_hash
0.14 ± 3% +0.1 0.24 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.14 ± 4% +0.1 0.24 ± 4% perf-profile.self.cycles-pp.__switch_to
0.18 ± 3% +0.1 0.28 ± 4% perf-profile.self.cycles-pp.futex_hash
0.16 ± 3% +0.1 0.26 ± 2% perf-profile.self.cycles-pp.os_xsave
0.17 ± 2% +0.1 0.28 ± 2% perf-profile.self.cycles-pp.set_load_weight
0.23 ± 3% +0.1 0.36 ± 2% perf-profile.self.cycles-pp.__schedule
0.23 +0.2 0.38 ± 3% perf-profile.self.cycles-pp.restore_fpregs_from_fpstate
3.54 ± 2% +0.2 3.78 ± 3% perf-profile.self.cycles-pp.enqueue_pushable_task
0.14 ± 3% +0.4 0.52 ± 9% perf-profile.self.cycles-pp.sched_balance_newidle
1.45 ± 2% +0.6 2.03 ± 4% perf-profile.self.cycles-pp.dequeue_task_rt
0.72 ± 5% +2.1 2.80 ± 11% perf-profile.self.cycles-pp.enqueue_task_rt
1.45 ± 8% +6.0 7.47 ± 6% perf-profile.self.cycles-pp._find_first_and_bit
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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