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Message-ID: <202501101033.b66070d2-lkp@intel.com>
Date: Fri, 10 Jan 2025 11:04:35 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Yafang Shao <laoar.shao@...il.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Johannes Weiner
<hannes@...xchg.org>, Michal Koutný <mkoutny@...e.com>,
<linux-kernel@...r.kernel.org>, <aubrey.li@...ux.intel.com>,
<yu.c.chen@...el.com>, <peterz@...radead.org>, <mingo@...hat.com>,
<juri.lelli@...hat.com>, <vincent.guittot@...aro.org>,
<dietmar.eggemann@....com>, <rostedt@...dmis.org>, <bsegall@...gle.com>,
<mgorman@...e.de>, <vschneid@...hat.com>, <surenb@...gle.com>,
<cgroups@...r.kernel.org>, Yafang Shao <laoar.shao@...il.com>
Subject: Re: [PATCH v8 4/4] sched: Fix cgroup irq time for
CONFIG_IRQ_TIME_ACCOUNTING
Hello,
kernel test robot noticed a 2.3% regression of will-it-scale.per_process_ops on:
commit: efcf26d77a358557d9d847fdca09ccd0690e6831 ("[PATCH v8 4/4] sched: Fix cgroup irq time for CONFIG_IRQ_TIME_ACCOUNTING")
url: https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/sched-Define-sched_clock_irqtime-as-static-key/20250103-102726
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 7c8cd569ff66755f17b0c0c03a9d8df1b6f3e9ed
patch link: https://lore.kernel.org/all/20250103022409.2544-5-laoar.shao@gmail.com/
patch subject: [PATCH v8 4/4] sched: Fix cgroup irq time for CONFIG_IRQ_TIME_ACCOUNTING
testcase: will-it-scale
config: x86_64-rhel-9.4
compiler: gcc-12
test machine: 104 threads 2 sockets (Skylake) with 192G memory
parameters:
nr_task: 100%
mode: process
test: context_switch1
cpufreq_governor: performance
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202501101033.b66070d2-lkp@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250110/202501101033.b66070d2-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase:
gcc-12/performance/x86_64-rhel-9.4/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/context_switch1/will-it-scale
commit:
278e29c10e ("sched, psi: Don't account irq time if sched_clock_irqtime is disabled")
efcf26d77a ("sched: Fix cgroup irq time for CONFIG_IRQ_TIME_ACCOUNTING")
278e29c10e4553fa efcf26d77a358557d9d847fdca0
---------------- ---------------------------
%stddev %change %stddev
\ | \
0.01 ± 5% +20.0% 0.01 ± 8% perf-sched.sch_delay.avg.ms.__cond_resched.mutex_lock.pipe_read.vfs_read.ksys_read
20608395 -2.4% 20105294 vmstat.system.cs
20905845 -2.3% 20428184 will-it-scale.104.processes
201017 -2.3% 196424 will-it-scale.per_process_ops
20905845 -2.3% 20428184 will-it-scale.workload
1.42 -0.0 1.39 perf-stat.i.branch-miss-rate%
3.348e+08 -3.3% 3.237e+08 perf-stat.i.branch-misses
20793493 -2.5% 20282595 perf-stat.i.context-switches
199.94 -2.5% 195.03 perf-stat.i.metric.K/sec
1.40 -0.0 1.37 perf-stat.overall.branch-miss-rate%
1728376 +1.9% 1761726 perf-stat.overall.path-length
3.336e+08 -3.3% 3.226e+08 perf-stat.ps.branch-misses
20722198 -2.5% 20214311 perf-stat.ps.context-switches
2.55 -0.4 2.12 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.read
8.10 -0.4 7.70 perf-profile.calltrace.cycles-pp.__wake_up_sync_key.pipe_write.vfs_write.ksys_write.do_syscall_64
7.35 -0.3 7.00 perf-profile.calltrace.cycles-pp.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_write.vfs_write
7.60 -0.3 7.25 perf-profile.calltrace.cycles-pp.__wake_up_common.__wake_up_sync_key.pipe_write.vfs_write.ksys_write
6.96 -0.3 6.63 perf-profile.calltrace.cycles-pp.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_sync_key.pipe_write
2.68 -0.3 2.35 perf-profile.calltrace.cycles-pp.wakeup_preempt.try_to_wake_up.autoremove_wake_function.__wake_up_common.__wake_up_sync_key
2.29 -0.3 2.00 perf-profile.calltrace.cycles-pp.check_preempt_wakeup_fair.wakeup_preempt.try_to_wake_up.autoremove_wake_function.__wake_up_common
7.85 -0.3 7.56 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.read
14.42 -0.2 14.19 perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
1.99 -0.2 1.78 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_safe_stack.write
13.40 -0.2 13.20 perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
1.34 -0.2 1.17 perf-profile.calltrace.cycles-pp.update_curr.check_preempt_wakeup_fair.wakeup_preempt.try_to_wake_up.autoremove_wake_function
1.42 -0.2 1.27 perf-profile.calltrace.cycles-pp.update_curr.dequeue_entity.dequeue_entities.dequeue_task_fair.try_to_block_task
2.49 -0.1 2.37 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.read
2.30 -0.1 2.20 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.write
0.80 -0.1 0.72 perf-profile.calltrace.cycles-pp.mutex_lock.pipe_read.vfs_read.ksys_read.do_syscall_64
1.94 -0.0 1.90 perf-profile.calltrace.cycles-pp.switch_mm_irqs_off.__schedule.schedule.pipe_read.vfs_read
0.89 -0.0 0.85 perf-profile.calltrace.cycles-pp.prepare_to_wait_event.pipe_read.vfs_read.ksys_read.do_syscall_64
0.99 -0.0 0.96 perf-profile.calltrace.cycles-pp.copy_page_to_iter.pipe_read.vfs_read.ksys_read.do_syscall_64
0.79 -0.0 0.76 perf-profile.calltrace.cycles-pp._copy_to_iter.copy_page_to_iter.pipe_read.vfs_read.ksys_read
0.71 -0.0 0.69 perf-profile.calltrace.cycles-pp.fdget_pos.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
0.72 -0.0 0.70 perf-profile.calltrace.cycles-pp.__switch_to_asm.read
0.70 ± 2% +0.0 0.73 ± 2% perf-profile.calltrace.cycles-pp.inode_needs_update_time.file_update_time.pipe_write.vfs_write.ksys_write
0.80 +0.0 0.84 perf-profile.calltrace.cycles-pp.file_update_time.pipe_write.vfs_write.ksys_write.do_syscall_64
0.62 +0.1 0.69 perf-profile.calltrace.cycles-pp.update_load_avg.dequeue_entity.dequeue_entities.dequeue_task_fair.try_to_block_task
1.48 +0.1 1.57 perf-profile.calltrace.cycles-pp.set_next_entity.pick_next_task_fair.__pick_next_task.__schedule.schedule
1.29 +0.1 1.40 perf-profile.calltrace.cycles-pp.touch_atime.pipe_read.vfs_read.ksys_read.do_syscall_64
1.05 +0.1 1.17 perf-profile.calltrace.cycles-pp.atime_needs_update.touch_atime.pipe_read.vfs_read.ksys_read
2.19 +0.1 2.32 perf-profile.calltrace.cycles-pp.put_prev_entity.pick_next_task_fair.__pick_next_task.__schedule.schedule
3.22 +0.1 3.34 perf-profile.calltrace.cycles-pp.pick_next_task_fair.__pick_next_task.__schedule.schedule.syscall_exit_to_user_mode
3.37 +0.1 3.51 perf-profile.calltrace.cycles-pp.__pick_next_task.__schedule.schedule.syscall_exit_to_user_mode.do_syscall_64
0.34 ± 70% +0.2 0.55 ± 3% perf-profile.calltrace.cycles-pp.update_load_avg.requeue_delayed_entity.enqueue_task.try_to_wake_up.autoremove_wake_function
3.82 +0.2 4.03 perf-profile.calltrace.cycles-pp.pick_next_task_fair.__pick_next_task.__schedule.schedule.pipe_read
4.01 +0.2 4.23 perf-profile.calltrace.cycles-pp.__pick_next_task.__schedule.schedule.pipe_read.vfs_read
48.03 +0.2 48.27 perf-profile.calltrace.cycles-pp.write
25.66 +0.4 26.03 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
30.22 +0.4 30.60 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
29.31 +0.4 29.69 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
26.54 +0.4 26.92 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
0.17 ±141% +0.4 0.61 perf-profile.calltrace.cycles-pp.current_time.atime_needs_update.touch_atime.pipe_read.vfs_read
19.76 +0.5 20.22 perf-profile.calltrace.cycles-pp.pipe_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
22.07 +0.5 22.57 perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
20.96 +0.5 21.46 perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read
0.00 +0.5 0.52 ± 2% perf-profile.calltrace.cycles-pp.current_time.inode_needs_update_time.file_update_time.pipe_write.vfs_write
7.25 +0.5 7.77 perf-profile.calltrace.cycles-pp.schedule.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
7.04 +0.5 7.58 perf-profile.calltrace.cycles-pp.__schedule.schedule.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe
12.97 +0.6 13.56 perf-profile.calltrace.cycles-pp.schedule.pipe_read.vfs_read.ksys_read.do_syscall_64
10.18 +0.6 10.78 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
12.68 +0.6 13.29 perf-profile.calltrace.cycles-pp.__schedule.schedule.pipe_read.vfs_read.ksys_read
6.83 -0.5 6.29 perf-profile.children.cycles-pp.entry_SYSCALL_64
8.12 -0.4 7.71 perf-profile.children.cycles-pp.__wake_up_sync_key
7.36 -0.4 7.00 perf-profile.children.cycles-pp.autoremove_wake_function
7.08 -0.4 6.73 perf-profile.children.cycles-pp.try_to_wake_up
7.62 -0.4 7.27 perf-profile.children.cycles-pp.__wake_up_common
15.19 -0.3 14.86 perf-profile.children.cycles-pp.syscall_return_via_sysret
2.72 -0.3 2.39 perf-profile.children.cycles-pp.wakeup_preempt
4.36 -0.3 4.04 perf-profile.children.cycles-pp.update_curr
2.51 -0.3 2.19 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
2.33 -0.3 2.04 perf-profile.children.cycles-pp.check_preempt_wakeup_fair
14.46 -0.2 14.22 perf-profile.children.cycles-pp.ksys_write
13.44 -0.2 13.24 perf-profile.children.cycles-pp.vfs_write
51.15 -0.2 50.96 perf-profile.children.cycles-pp.read
0.44 -0.1 0.35 ± 24% perf-profile.children.cycles-pp.reader__read_event
1.22 -0.1 1.14 perf-profile.children.cycles-pp.mutex_lock
1.09 -0.1 1.02 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
1.16 -0.1 1.09 perf-profile.children.cycles-pp.pick_eevdf
0.49 ± 3% -0.1 0.42 ± 2% perf-profile.children.cycles-pp.update_curr_dl_se
3.47 -0.1 3.41 perf-profile.children.cycles-pp.switch_mm_irqs_off
1.00 -0.1 0.94 perf-profile.children.cycles-pp.__switch_to
0.74 -0.1 0.68 perf-profile.children.cycles-pp.__enqueue_entity
0.50 -0.0 0.46 perf-profile.children.cycles-pp.anon_pipe_buf_release
0.90 -0.0 0.86 perf-profile.children.cycles-pp.prepare_to_wait_event
0.13 ± 2% -0.0 0.09 ± 5% perf-profile.children.cycles-pp.__x64_sys_read
1.00 -0.0 0.97 perf-profile.children.cycles-pp.copy_page_to_iter
0.38 -0.0 0.34 perf-profile.children.cycles-pp.testcase
0.65 -0.0 0.61 perf-profile.children.cycles-pp.mutex_unlock
0.49 -0.0 0.46 ± 3% perf-profile.children.cycles-pp.rep_movs_alternative
0.85 -0.0 0.82 perf-profile.children.cycles-pp._copy_to_iter
1.38 -0.0 1.35 perf-profile.children.cycles-pp.__switch_to_asm
0.06 -0.0 0.03 ± 70% perf-profile.children.cycles-pp.psi_account_irqtime
0.63 -0.0 0.60 perf-profile.children.cycles-pp.___perf_sw_event
0.15 ± 2% -0.0 0.12 ± 3% perf-profile.children.cycles-pp.__resched_curr
0.56 -0.0 0.54 perf-profile.children.cycles-pp.__cond_resched
0.44 -0.0 0.42 perf-profile.children.cycles-pp.finish_task_switch
0.37 -0.0 0.35 perf-profile.children.cycles-pp.__wrgsbase_inactive
0.36 -0.0 0.34 ± 2% perf-profile.children.cycles-pp.child
0.09 ± 4% -0.0 0.07 ± 6% perf-profile.children.cycles-pp.mm_cid_get
0.22 ± 2% -0.0 0.20 ± 3% perf-profile.children.cycles-pp.dl_scaled_delta_exec
0.08 ± 6% +0.0 0.09 perf-profile.children.cycles-pp.__x64_sys_write
0.09 ± 4% +0.0 0.11 ± 4% perf-profile.children.cycles-pp.read@plt
0.66 +0.0 0.68 perf-profile.children.cycles-pp.update_rq_clock
0.22 ± 2% +0.0 0.25 perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
0.16 ± 3% +0.0 0.18 ± 3% perf-profile.children.cycles-pp.dequeue_task
0.21 +0.0 0.24 ± 2% perf-profile.children.cycles-pp.__calc_delta
0.11 ± 6% +0.0 0.13 ± 3% perf-profile.children.cycles-pp.blkcg_maybe_throttle_current
0.32 +0.0 0.34 ± 2% perf-profile.children.cycles-pp.x64_sys_call
0.71 ± 2% +0.0 0.74 perf-profile.children.cycles-pp.vruntime_eligible
0.70 ± 2% +0.0 0.74 ± 2% perf-profile.children.cycles-pp.inode_needs_update_time
0.82 +0.0 0.86 perf-profile.children.cycles-pp.file_update_time
0.08 ± 4% +0.1 0.14 ± 3% perf-profile.children.cycles-pp.sched_update_worker
0.00 +0.1 0.07 ± 7% perf-profile.children.cycles-pp.arch_scale_cpu_capacity
0.07 +0.1 0.14 ± 2% perf-profile.children.cycles-pp.__set_next_task_fair
0.82 +0.1 0.89 perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
0.00 +0.1 0.08 ± 13% perf-profile.children.cycles-pp.cpuacct_account_field
1.54 +0.1 1.64 perf-profile.children.cycles-pp.set_next_entity
2.35 +0.1 2.46 perf-profile.children.cycles-pp.put_prev_entity
1.30 +0.1 1.41 perf-profile.children.cycles-pp.touch_atime
1.08 +0.1 1.19 perf-profile.children.cycles-pp.atime_needs_update
0.58 +0.1 0.70 ± 2% perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64_mg
0.27 ± 8% +0.1 0.40 ± 5% perf-profile.children.cycles-pp.__cgroup_account_cputime
0.07 ± 11% +0.1 0.21 ± 5% perf-profile.children.cycles-pp.cgroup_rstat_updated
0.26 ± 6% +0.2 0.41 ± 8% perf-profile.children.cycles-pp.cpuacct_charge
1.01 +0.2 1.16 perf-profile.children.cycles-pp.current_time
3.00 +0.2 3.17 perf-profile.children.cycles-pp.update_load_avg
0.00 +0.2 0.19 ± 4% perf-profile.children.cycles-pp.__cgroup_account_cputime_field
48.50 +0.2 48.74 perf-profile.children.cycles-pp.write
7.40 +0.3 7.75 perf-profile.children.cycles-pp.__pick_next_task
7.20 +0.4 7.55 perf-profile.children.cycles-pp.pick_next_task_fair
19.93 +0.5 20.39 perf-profile.children.cycles-pp.pipe_read
22.09 +0.5 22.59 perf-profile.children.cycles-pp.ksys_read
20.98 +0.5 21.49 perf-profile.children.cycles-pp.vfs_read
13.69 +0.6 14.25 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
52.30 +0.8 53.06 perf-profile.children.cycles-pp.do_syscall_64
60.19 +0.8 60.96 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
0.00 +0.8 0.78 perf-profile.children.cycles-pp.account_irqtime
20.22 +1.1 21.35 perf-profile.children.cycles-pp.schedule
19.84 +1.1 20.98 perf-profile.children.cycles-pp.__schedule
6.15 -0.5 5.64 perf-profile.self.cycles-pp.entry_SYSCALL_64
14.70 -0.3 14.36 perf-profile.self.cycles-pp.syscall_return_via_sysret
1.98 -0.2 1.78 perf-profile.self.cycles-pp.update_curr
0.54 -0.1 0.43 perf-profile.self.cycles-pp.check_preempt_wakeup_fair
1.68 -0.1 1.59 perf-profile.self.cycles-pp.pipe_read
1.45 -0.1 1.37 perf-profile.self.cycles-pp.do_syscall_64
1.06 -0.1 0.99 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
0.72 -0.1 0.64 perf-profile.self.cycles-pp.pick_eevdf
0.61 ± 2% -0.1 0.55 perf-profile.self.cycles-pp.try_to_wake_up
3.45 -0.1 3.38 perf-profile.self.cycles-pp.switch_mm_irqs_off
0.28 ± 3% -0.0 0.23 ± 2% perf-profile.self.cycles-pp.update_curr_dl_se
0.09 -0.0 0.04 ± 44% perf-profile.self.cycles-pp.__x64_sys_read
0.92 -0.0 0.87 perf-profile.self.cycles-pp.__switch_to
0.49 -0.0 0.44 perf-profile.self.cycles-pp.anon_pipe_buf_release
0.50 -0.0 0.46 perf-profile.self.cycles-pp.prepare_to_wait_event
0.53 -0.0 0.50 perf-profile.self.cycles-pp.update_rq_clock_task
0.69 -0.0 0.66 perf-profile.self.cycles-pp.__enqueue_entity
0.62 -0.0 0.58 perf-profile.self.cycles-pp.mutex_unlock
0.28 -0.0 0.25 ± 2% perf-profile.self.cycles-pp.testcase
1.37 -0.0 1.34 perf-profile.self.cycles-pp.__switch_to_asm
0.76 -0.0 0.73 perf-profile.self.cycles-pp.mutex_lock
0.39 -0.0 0.37 ± 3% perf-profile.self.cycles-pp.rep_movs_alternative
0.37 -0.0 0.35 perf-profile.self.cycles-pp.__cond_resched
0.14 ± 3% -0.0 0.12 ± 5% perf-profile.self.cycles-pp.__resched_curr
0.32 ± 2% -0.0 0.29 perf-profile.self.cycles-pp.finish_task_switch
0.50 -0.0 0.48 perf-profile.self.cycles-pp.__get_user_8
0.09 ± 4% -0.0 0.07 ± 5% perf-profile.self.cycles-pp.mm_cid_get
0.37 -0.0 0.35 perf-profile.self.cycles-pp.__wrgsbase_inactive
0.21 -0.0 0.20 perf-profile.self.cycles-pp.wakeup_preempt
0.30 -0.0 0.28 perf-profile.self.cycles-pp.dequeue_task_fair
0.08 +0.0 0.09 perf-profile.self.cycles-pp.kill_fasync
0.14 ± 3% +0.0 0.16 ± 3% perf-profile.self.cycles-pp.update_rq_clock
0.08 ± 4% +0.0 0.10 ± 5% perf-profile.self.cycles-pp.read@plt
0.09 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.raw_spin_rq_unlock
0.19 +0.0 0.22 ± 2% perf-profile.self.cycles-pp._raw_spin_unlock_irqrestore
0.09 ± 7% +0.0 0.12 ± 4% perf-profile.self.cycles-pp.blkcg_maybe_throttle_current
0.14 ± 3% +0.0 0.17 ± 2% perf-profile.self.cycles-pp.dequeue_task
0.30 +0.0 0.32 ± 2% perf-profile.self.cycles-pp.x64_sys_call
0.32 +0.0 0.34 perf-profile.self.cycles-pp.copy_page_from_iter
0.12 ± 7% +0.0 0.15 ± 3% perf-profile.self.cycles-pp.enqueue_task
0.22 +0.0 0.25 perf-profile.self.cycles-pp.rseq_ip_fixup
0.20 +0.0 0.23 ± 2% perf-profile.self.cycles-pp.__calc_delta
0.24 ± 2% +0.0 0.27 ± 7% perf-profile.self.cycles-pp.perf_tp_event
0.66 +0.0 0.69 perf-profile.self.cycles-pp.vruntime_eligible
0.42 ± 2% +0.0 0.46 perf-profile.self.cycles-pp.current_time
0.42 ± 3% +0.0 0.46 ± 2% perf-profile.self.cycles-pp.dequeue_entity
0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.cpuacct_account_field
0.63 ± 3% +0.1 0.69 ± 2% perf-profile.self.cycles-pp.pick_task_fair
0.05 ± 7% +0.1 0.12 ± 4% perf-profile.self.cycles-pp.__set_next_task_fair
0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.__x64_sys_write
0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.arch_scale_cpu_capacity
0.08 ± 6% +0.1 0.14 ± 2% perf-profile.self.cycles-pp.sched_update_worker
0.65 +0.1 0.71 perf-profile.self.cycles-pp.vfs_read
0.76 +0.1 0.83 perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
0.29 +0.1 0.36 perf-profile.self.cycles-pp.set_next_entity
1.25 ± 2% +0.1 1.33 ± 2% perf-profile.self.cycles-pp.update_load_avg
0.20 ± 8% +0.1 0.28 ± 6% perf-profile.self.cycles-pp.__cgroup_account_cputime
0.36 ± 2% +0.1 0.44 perf-profile.self.cycles-pp.put_prev_entity
0.77 +0.1 0.87 perf-profile.self.cycles-pp.pick_next_task_fair
0.00 +0.1 0.11 ± 18% perf-profile.self.cycles-pp.__cgroup_account_cputime_field
0.56 ± 2% +0.1 0.68 ± 2% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64_mg
1.24 ± 3% +0.1 1.36 ± 3% perf-profile.self.cycles-pp.write
0.07 ± 11% +0.1 0.20 ± 4% perf-profile.self.cycles-pp.cgroup_rstat_updated
1.56 +0.1 1.70 perf-profile.self.cycles-pp.pipe_write
0.25 ± 6% +0.1 0.39 ± 8% perf-profile.self.cycles-pp.cpuacct_charge
0.00 +0.4 0.38 ± 3% perf-profile.self.cycles-pp.account_irqtime
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.
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0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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