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Message-ID: <202310111637.dee70328-oliver.sang@intel.com>
Date: Wed, 11 Oct 2023 17:11:07 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Tony Luck <tony.luck@...el.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
<linux-edac@...r.kernel.org>, <ying.huang@...el.com>,
<feng.tang@...el.com>, <fengwei.yin@...el.com>,
Borislav Petkov <bp@...en8.de>,
Yazen Ghannam <yazen.ghannam@....com>,
<Smita.KoralahalliChannabasappa@....com>,
<dave.hansen@...ux.intel.com>, <x86@...nel.org>,
<linux-kernel@...r.kernel.org>, <patches@...ts.linux.dev>,
Tony Luck <tony.luck@...el.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH v9 2/3] x86/mce: Add per-bank CMCI storm mitigation
Hello,
kernel test robot noticed a -8.8% regression of stress-ng.clock.ops_per_sec on:
commit: 26bff7b04b829cccc6a97726d6398391a62e34ef ("[PATCH v9 2/3] x86/mce: Add per-bank CMCI storm mitigation")
url: https://github.com/intel-lab-lkp/linux/commits/Tony-Luck/x86-mce-Remove-old-CMCI-storm-mitigation-code/20231005-024047
patch link: https://lore.kernel.org/all/20231004183623.17067-3-tony.luck@intel.com/
patch subject: [PATCH v9 2/3] x86/mce: Add per-bank CMCI storm mitigation
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: clock
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/202310111637.dee70328-oliver.sang@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231011/202310111637.dee70328-oliver.sang@intel.com
=========================================================================================
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/clock/stress-ng/60s
commit:
cbb2ef4fc1 ("x86/mce: Remove old CMCI storm mitigation code")
26bff7b04b ("x86/mce: Add per-bank CMCI storm mitigation")
cbb2ef4fc1f946b3 26bff7b04b829cccc6a97726d63
---------------- ---------------------------
%stddev %change %stddev
\ | \
118898 ± 7% -18.5% 96883 ± 8% meminfo.Mapped
2971 ± 7% +18.3% 3513 ± 9% perf-c2c.HITM.local
0.01 -20.0% 0.00 perf-sched.wait_time.avg.ms.do_nanosleep.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep
3865971 ± 4% -23.2% 2970833 ± 2% turbostat.C1
1.48 ± 6% -0.3 1.22 ± 4% turbostat.C1%
292422 -9.4% 264956 vmstat.system.cs
219398 -7.4% 203113 vmstat.system.in
4715828 -8.8% 4301560 stress-ng.clock.ops
78597 -8.8% 71692 stress-ng.clock.ops_per_sec
305.30 +1.7% 310.35 stress-ng.time.system_time
9425269 -8.8% 8596889 stress-ng.time.voluntary_context_switches
157229 ± 2% -5.1% 149224 proc-vmstat.nr_active_anon
904759 -1.7% 889679 proc-vmstat.nr_file_pages
123722 ± 2% -6.1% 116162 ± 2% proc-vmstat.nr_inactive_anon
29778 ± 7% -18.5% 24260 ± 8% proc-vmstat.nr_mapped
194663 -7.8% 179535 proc-vmstat.nr_shmem
157229 ± 2% -5.1% 149224 proc-vmstat.nr_zone_active_anon
123722 ± 2% -6.1% 116162 ± 2% proc-vmstat.nr_zone_inactive_anon
844968 -5.5% 798662 proc-vmstat.numa_hit
778755 -5.9% 732457 ± 2% proc-vmstat.numa_local
259547 -5.7% 244756 proc-vmstat.pgactivate
1060836 -7.1% 986009 ± 2% proc-vmstat.pgalloc_normal
755630 ± 2% -7.0% 702996 ± 4% proc-vmstat.pgfree
2.70 -17.4% 2.23 perf-stat.i.MPKI
1.428e+09 -5.8% 1.345e+09 perf-stat.i.branch-instructions
0.99 +0.1 1.09 ± 2% perf-stat.i.branch-miss-rate%
35.43 -7.4 28.07 perf-stat.i.cache-miss-rate%
19762268 -22.2% 15365818 perf-stat.i.cache-misses
55484296 -1.5% 54670651 perf-stat.i.cache-references
305445 -8.7% 278849 perf-stat.i.context-switches
2.88 +6.9% 3.08 perf-stat.i.cpi
400.01 ± 3% -6.5% 373.89 ± 3% perf-stat.i.cpu-migrations
1090 +27.2% 1387 perf-stat.i.cycles-between-cache-misses
1.989e+09 -6.6% 1.857e+09 perf-stat.i.dTLB-loads
1.153e+09 -7.6% 1.066e+09 perf-stat.i.dTLB-stores
7.703e+09 -6.3% 7.221e+09 perf-stat.i.instructions
0.38 -5.8% 0.36 perf-stat.i.ipc
1124 -6.3% 1053 perf-stat.i.metric.K/sec
71.46 -6.6% 66.71 perf-stat.i.metric.M/sec
3530238 ± 3% +48.1% 5229217 ± 3% perf-stat.i.node-load-misses
90.35 -5.3 85.09 perf-stat.i.node-store-miss-rate%
14871425 ± 2% -40.5% 8846683 perf-stat.i.node-store-misses
1393999 ± 2% +10.0% 1533309 perf-stat.i.node-stores
2.57 -17.0% 2.13 perf-stat.overall.MPKI
1.03 ± 2% +0.1 1.14 ± 3% perf-stat.overall.branch-miss-rate%
35.62 -7.5 28.11 perf-stat.overall.cache-miss-rate%
2.73 +6.4% 2.90 perf-stat.overall.cpi
1063 +28.2% 1363 perf-stat.overall.cycles-between-cache-misses
0.37 -6.0% 0.34 perf-stat.overall.ipc
91.42 -6.2 85.23 perf-stat.overall.node-store-miss-rate%
1.405e+09 -5.8% 1.323e+09 perf-stat.ps.branch-instructions
19444141 -22.2% 15118353 perf-stat.ps.cache-misses
54591369 -1.5% 53789356 perf-stat.ps.cache-references
300511 -8.7% 274335 perf-stat.ps.context-switches
393.53 ± 3% -6.5% 367.80 ± 3% perf-stat.ps.cpu-migrations
1.957e+09 -6.6% 1.827e+09 perf-stat.ps.dTLB-loads
1.135e+09 -7.6% 1.049e+09 perf-stat.ps.dTLB-stores
7.58e+09 -6.3% 7.105e+09 perf-stat.ps.instructions
3473672 ± 3% +48.1% 5144934 ± 3% perf-stat.ps.node-load-misses
14630992 ± 2% -40.5% 8703485 perf-stat.ps.node-store-misses
1371912 ± 2% +10.0% 1508626 perf-stat.ps.node-stores
4.721e+11 -5.7% 4.45e+11 perf-stat.total.instructions
13.27 -1.8 11.46 ± 2% perf-profile.calltrace.cycles-pp.ktime_get_update_offsets_now.clock_was_set.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime
7.00 ± 3% -1.3 5.74 ± 2% perf-profile.calltrace.cycles-pp.syscall
5.50 ± 2% -1.2 4.26 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall
5.25 ± 2% -1.2 4.02 ± 6% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
4.27 ± 2% -1.1 3.13 ± 9% perf-profile.calltrace.cycles-pp.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
14.93 -1.1 13.82 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
17.13 -1.1 16.06 ± 2% perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify
14.04 -1.0 13.00 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry
14.22 -1.0 13.18 ± 2% perf-profile.calltrace.cycles-pp.cpuidle_enter.cpuidle_idle_call.do_idle.cpu_startup_entry.start_secondary
16.74 -1.0 15.77 ± 2% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
16.78 -1.0 15.80 ± 2% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify
16.77 -1.0 15.80 ± 2% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
3.29 ± 7% -0.8 2.51 ± 13% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
2.50 ± 7% -0.6 1.94 ± 6% perf-profile.calltrace.cycles-pp.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
0.68 ± 3% -0.4 0.26 ±100% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime
2.09 -0.4 1.67 ± 2% perf-profile.calltrace.cycles-pp.timekeeping_update.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64
4.87 -0.4 4.49 ± 4% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call.do_idle
4.70 -0.4 4.31 ± 4% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
1.99 ± 7% -0.4 1.62 ± 6% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.intel_idle_irq.cpuidle_enter_state.cpuidle_enter.cpuidle_idle_call
1.78 ± 7% -0.3 1.44 ± 6% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.intel_idle_irq.cpuidle_enter_state.cpuidle_enter
1.40 ± 8% -0.3 1.08 ± 6% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.intel_idle_irq.cpuidle_enter_state
1.40 ± 8% -0.3 1.08 ± 6% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.intel_idle_irq
0.56 ± 4% -0.3 0.26 ±100% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
3.07 ± 3% -0.3 2.80 ± 5% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
3.08 ± 3% -0.3 2.81 ± 5% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
1.74 ± 6% -0.2 1.51 ± 6% perf-profile.calltrace.cycles-pp.timer_settime
2.12 ± 2% -0.2 1.90 ± 5% perf-profile.calltrace.cycles-pp.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.95 -0.2 0.73 ± 4% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64
1.58 ± 6% -0.2 1.36 ± 7% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_settime
0.71 ± 7% -0.2 0.50 ± 45% perf-profile.calltrace.cycles-pp.posix_get_monotonic_raw.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall
1.60 ± 6% -0.2 1.39 ± 6% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.timer_settime
1.55 ± 7% -0.2 1.33 ± 6% perf-profile.calltrace.cycles-pp.__x64_sys_timer_settime.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_settime
0.70 ± 7% -0.2 0.49 ± 46% perf-profile.calltrace.cycles-pp.ktime_get_raw_ts64.posix_get_monotonic_raw.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.34 ± 8% -0.2 1.14 ± 7% perf-profile.calltrace.cycles-pp.do_timer_settime.__x64_sys_timer_settime.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_settime
2.84 -0.2 2.64 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.clock_nanosleep
2.79 ± 2% -0.2 2.61 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_nanosleep
2.30 -0.2 2.12 perf-profile.calltrace.cycles-pp.open64
2.24 -0.2 2.07 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.25 -0.2 2.08 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
2.23 -0.2 2.06 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
2.22 -0.2 2.06 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
1.36 ± 4% -0.2 1.20 ± 18% perf-profile.calltrace.cycles-pp.__entry_text_start.syscall
1.79 ± 4% -0.2 1.63 ± 6% perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
2.70 ± 2% -0.2 2.54 ± 4% perf-profile.calltrace.cycles-pp.__x64_sys_clock_nanosleep.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_nanosleep
1.12 ± 3% -0.1 0.97 ± 6% perf-profile.calltrace.cycles-pp.blake2s_update.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64
0.60 ± 4% -0.1 0.46 ± 44% perf-profile.calltrace.cycles-pp.__close
2.02 ± 2% -0.1 1.88 perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
2.00 ± 2% -0.1 1.86 perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
0.95 ± 3% -0.1 0.82 ± 6% perf-profile.calltrace.cycles-pp.blake2s_compress.blake2s_update.add_device_randomness.do_adjtimex.__do_sys_clock_adjtime
1.26 ± 2% -0.1 1.13 ± 3% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
1.07 ± 3% -0.1 0.98 ± 5% perf-profile.calltrace.cycles-pp.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.08 ± 3% -0.1 0.99 ± 5% perf-profile.calltrace.cycles-pp.common_nsleep_timens.__x64_sys_clock_nanosleep.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_nanosleep
0.86 ± 2% -0.1 0.78 ± 6% perf-profile.calltrace.cycles-pp.hrtimer_start_range_ns.do_nanosleep.hrtimer_nanosleep.common_nsleep.__x64_sys_clock_nanosleep
1.01 ± 3% -0.1 0.93 ± 6% perf-profile.calltrace.cycles-pp.do_nanosleep.hrtimer_nanosleep.common_nsleep_timens.__x64_sys_clock_nanosleep.do_syscall_64
0.96 -0.1 0.88 ± 2% perf-profile.calltrace.cycles-pp.read_tsc.ktime_get_update_offsets_now.clock_was_set.timekeeping_inject_offset.do_adjtimex
0.69 ± 4% -0.1 0.62 ± 3% perf-profile.calltrace.cycles-pp.chrdev_open.do_dentry_open.do_open.path_openat.do_filp_open
0.98 ± 4% -0.1 0.91 perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.poll_idle.cpuidle_enter_state
0.86 ± 4% -0.1 0.80 ± 3% perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_filp_open.do_sys_openat2
0.96 ± 3% +0.1 1.09 ± 5% perf-profile.calltrace.cycles-pp.tick_nohz_idle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
0.87 ± 6% +0.1 1.00 ± 5% perf-profile.calltrace.cycles-pp.posix_timer_unhash_and_free.__x64_sys_timer_delete.do_syscall_64.entry_SYSCALL_64_after_hwframe.timer_delete
6.08 ± 2% +0.4 6.44 ± 2% perf-profile.calltrace.cycles-pp.igb_ptp_gettimex_82580.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe
6.27 ± 2% +0.4 6.66 ± 2% perf-profile.calltrace.cycles-pp.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime
6.39 ± 2% +0.4 6.78 ± 2% perf-profile.calltrace.cycles-pp.clock_gettime
6.32 ± 2% +0.4 6.72 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.clock_gettime
6.32 ± 2% +0.4 6.71 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime
6.30 ± 2% +0.4 6.70 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_clock_gettime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_gettime
0.08 ±223% +0.5 0.55 ± 5% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.tick_nohz_idle_enter.do_idle.cpu_startup_entry.start_secondary
2.58 ± 7% +0.5 3.13 ± 2% perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.igb_ptp_gettimex_82580.pc_clock_gettime.__x64_sys_clock_gettime.do_syscall_64
2.30 ± 7% +0.6 2.89 ± 2% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.igb_ptp_gettimex_82580.pc_clock_gettime.__x64_sys_clock_gettime
53.43 +2.9 56.32 perf-profile.calltrace.cycles-pp.clock_adjtime
53.05 +2.9 55.98 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.clock_adjtime
52.98 +2.9 55.92 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime
52.81 +2.9 55.75 perf-profile.calltrace.cycles-pp.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime
51.37 +3.1 54.49 perf-profile.calltrace.cycles-pp.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe.clock_adjtime
47.33 +3.4 50.75 perf-profile.calltrace.cycles-pp.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64.entry_SYSCALL_64_after_hwframe
43.22 +4.3 47.50 perf-profile.calltrace.cycles-pp.clock_was_set.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime.do_syscall_64
4.17 ± 13% +4.7 8.85 ± 4% perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.clock_was_set.timekeeping_inject_offset.do_adjtimex
21.83 +5.8 27.67 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.clock_was_set.timekeeping_inject_offset.do_adjtimex.__do_sys_clock_adjtime
14.07 -1.8 12.26 ± 2% perf-profile.children.cycles-pp.ktime_get_update_offsets_now
7.34 -1.4 5.98 ± 4% perf-profile.children.cycles-pp.syscall
15.24 -1.2 14.06 ± 2% perf-profile.children.cycles-pp.cpuidle_idle_call
14.48 -1.1 13.37 ± 2% perf-profile.children.cycles-pp.cpuidle_enter_state
14.51 -1.1 13.40 ± 2% perf-profile.children.cycles-pp.cpuidle_enter
17.11 -1.1 16.04 ± 2% perf-profile.children.cycles-pp.do_idle
17.13 -1.1 16.06 ± 2% perf-profile.children.cycles-pp.secondary_startup_64_no_verify
17.13 -1.1 16.06 ± 2% perf-profile.children.cycles-pp.cpu_startup_entry
16.78 -1.0 15.80 ± 2% perf-profile.children.cycles-pp.start_secondary
10.61 ± 2% -0.7 9.86 ± 3% perf-profile.children.cycles-pp.__x64_sys_clock_gettime
9.62 -0.7 8.90 ± 3% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
8.93 -0.7 8.26 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
2.76 ± 6% -0.6 2.14 ± 6% perf-profile.children.cycles-pp.intel_idle_irq
6.40 -0.6 5.81 ± 3% perf-profile.children.cycles-pp.hrtimer_interrupt
6.41 -0.6 5.83 ± 3% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
4.11 ± 2% -0.5 3.60 ± 4% perf-profile.children.cycles-pp.__hrtimer_run_queues
1.09 ± 4% -0.5 0.62 ± 8% perf-profile.children.cycles-pp.ktime_get_real_ts64
0.88 ± 6% -0.4 0.45 ± 14% perf-profile.children.cycles-pp.posix_get_realtime_timespec
2.09 -0.4 1.67 ± 2% perf-profile.children.cycles-pp.timekeeping_update
2.12 ± 2% -0.2 1.90 ± 5% perf-profile.children.cycles-pp.add_device_randomness
1.78 ± 6% -0.2 1.56 ± 5% perf-profile.children.cycles-pp.timer_settime
1.55 ± 7% -0.2 1.34 ± 6% perf-profile.children.cycles-pp.__x64_sys_timer_settime
1.35 ± 8% -0.2 1.14 ± 7% perf-profile.children.cycles-pp.do_timer_settime
1.19 ± 3% -0.2 0.99 ± 5% perf-profile.children.cycles-pp.try_to_wake_up
1.19 ± 3% -0.2 0.99 ± 4% perf-profile.children.cycles-pp.hrtimer_wakeup
0.77 ± 4% -0.2 0.58 ± 8% perf-profile.children.cycles-pp.ktime_get_with_offset
0.52 ± 7% -0.2 0.33 ± 17% perf-profile.children.cycles-pp.posix_get_monotonic_timespec
0.51 ± 6% -0.2 0.32 ± 19% perf-profile.children.cycles-pp.ktime_get_ts64
2.25 -0.2 2.08 perf-profile.children.cycles-pp.do_sys_openat2
2.31 -0.2 2.14 perf-profile.children.cycles-pp.open64
2.26 -0.2 2.08 perf-profile.children.cycles-pp.__x64_sys_openat
2.10 ± 3% -0.2 1.92 ± 5% perf-profile.children.cycles-pp.tick_sched_timer
2.71 ± 2% -0.2 2.54 ± 4% perf-profile.children.cycles-pp.__x64_sys_clock_nanosleep
2.55 -0.2 2.39 ± 4% perf-profile.children.cycles-pp.hrtimer_nanosleep
2.45 ± 2% -0.2 2.30 ± 5% perf-profile.children.cycles-pp.do_nanosleep
1.12 ± 3% -0.1 0.98 ± 6% perf-profile.children.cycles-pp.blake2s_update
0.36 ± 6% -0.1 0.21 ± 17% perf-profile.children.cycles-pp.smp_call_function_many_cond
0.39 ± 3% -0.1 0.24 ± 4% perf-profile.children.cycles-pp.update_vsyscall
0.72 ± 7% -0.1 0.57 ± 13% perf-profile.children.cycles-pp.posix_get_monotonic_raw
0.53 -0.1 0.38 ± 8% perf-profile.children.cycles-pp.posix_get_tai_timespec
0.70 ± 7% -0.1 0.56 ± 14% perf-profile.children.cycles-pp.ktime_get_raw_ts64
2.03 ± 2% -0.1 1.89 perf-profile.children.cycles-pp.path_openat
2.04 ± 2% -0.1 1.91 perf-profile.children.cycles-pp.do_filp_open
0.95 ± 3% -0.1 0.82 ± 6% perf-profile.children.cycles-pp.blake2s_compress
1.50 ± 2% -0.1 1.37 ± 2% perf-profile.children.cycles-pp.read_tsc
1.26 ± 3% -0.1 1.14 ± 3% perf-profile.children.cycles-pp.do_open
1.38 ± 2% -0.1 1.26 ± 6% perf-profile.children.cycles-pp.hrtimer_start_range_ns
0.54 ± 4% -0.1 0.43 ± 3% perf-profile.children.cycles-pp.ttwu_do_activate
0.26 ± 8% -0.1 0.16 ± 21% perf-profile.children.cycles-pp.ktime_get_coarse_real_ts64
0.25 ± 6% -0.1 0.14 ± 21% perf-profile.children.cycles-pp.posix_get_realtime_coarse
1.47 ± 2% -0.1 1.37 ± 3% perf-profile.children.cycles-pp.__entry_text_start
1.09 ± 3% -0.1 0.99 ± 5% perf-profile.children.cycles-pp.common_nsleep_timens
0.56 ± 3% -0.1 0.46 ± 7% perf-profile.children.cycles-pp.update_fast_timekeeper
1.53 ± 3% -0.1 1.44 ± 3% perf-profile.children.cycles-pp.tick_sched_handle
1.14 ± 2% -0.1 1.05 ± 2% perf-profile.children.cycles-pp._copy_to_user
0.51 ± 2% -0.1 0.43 ± 4% perf-profile.children.cycles-pp.timekeeping_forward_now
0.16 ± 7% -0.1 0.08 ± 18% perf-profile.children.cycles-pp.__flush_smp_call_function_queue
0.32 ± 3% -0.1 0.25 ± 7% perf-profile.children.cycles-pp.enqueue_entity
0.69 ± 4% -0.1 0.62 ± 4% perf-profile.children.cycles-pp.chrdev_open
0.36 ± 3% -0.1 0.29 ± 7% perf-profile.children.cycles-pp.activate_task
0.15 ± 9% -0.1 0.08 ± 23% perf-profile.children.cycles-pp.asm_sysvec_call_function_single
0.34 ± 4% -0.1 0.28 ± 7% perf-profile.children.cycles-pp.enqueue_task_fair
0.30 ± 7% -0.1 0.24 ± 6% perf-profile.children.cycles-pp.capable
0.54 ± 4% -0.1 0.48 ± 3% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.40 ± 7% -0.1 0.34 ± 11% perf-profile.children.cycles-pp.timerfd_clock_was_set
0.62 ± 4% -0.1 0.56 ± 4% perf-profile.children.cycles-pp.__close
0.57 ± 4% -0.1 0.51 ± 6% perf-profile.children.cycles-pp.menu_select
0.54 ± 3% -0.1 0.48 ± 4% perf-profile.children.cycles-pp.__x64_sys_close
0.31 ± 9% -0.1 0.25 ± 5% perf-profile.children.cycles-pp.lockref_get_not_dead
0.28 ± 5% -0.1 0.22 ± 6% perf-profile.children.cycles-pp.apparmor_capable
0.14 ± 16% -0.1 0.08 ± 27% perf-profile.children.cycles-pp.ktime_mono_to_any
0.13 ± 8% -0.1 0.07 ± 20% perf-profile.children.cycles-pp.sysvec_call_function_single
0.32 ± 8% -0.1 0.26 ± 5% perf-profile.children.cycles-pp.__legitimize_path
0.30 ± 5% -0.1 0.24 ± 5% perf-profile.children.cycles-pp.security_capable
0.08 ± 17% -0.1 0.02 ± 99% perf-profile.children.cycles-pp.security_file_free
0.52 ± 5% -0.1 0.47 ± 4% perf-profile.children.cycles-pp.alloc_empty_file
0.11 ± 6% -0.1 0.06 ± 21% perf-profile.children.cycles-pp.__sysvec_call_function_single
0.45 ± 4% -0.1 0.40 ± 6% perf-profile.children.cycles-pp.__fput
0.40 ± 5% -0.1 0.35 ± 4% perf-profile.children.cycles-pp.init_file
0.31 ± 5% -0.1 0.26 ± 6% perf-profile.children.cycles-pp.notifier_call_chain
0.69 ± 3% -0.0 0.64 ± 2% perf-profile.children.cycles-pp.kmem_cache_alloc
0.18 ± 9% -0.0 0.14 ± 8% perf-profile.children.cycles-pp.kobject_get
0.18 ± 9% -0.0 0.13 ± 14% perf-profile.children.cycles-pp.check_preempt_curr
0.23 ± 6% -0.0 0.19 ± 8% perf-profile.children.cycles-pp._raw_spin_lock_irq
0.15 ± 11% -0.0 0.11 ± 14% perf-profile.children.cycles-pp.resched_curr
0.29 ± 5% -0.0 0.25 ± 5% perf-profile.children.cycles-pp._raw_spin_unlock_irqrestore
0.60 ± 3% -0.0 0.56 ± 2% perf-profile.children.cycles-pp.lapic_next_deadline
0.22 ± 5% -0.0 0.19 ± 8% perf-profile.children.cycles-pp.security_file_alloc
0.18 ± 6% -0.0 0.15 ± 12% perf-profile.children.cycles-pp.smpboot_thread_fn
0.11 ± 8% -0.0 0.08 ± 5% perf-profile.children.cycles-pp.run_ksoftirqd
0.26 ± 5% -0.0 0.23 ± 4% perf-profile.children.cycles-pp.syscall_return_via_sysret
0.14 ± 9% -0.0 0.11 ± 9% perf-profile.children.cycles-pp.getname_flags
0.24 ± 3% -0.0 0.22 ± 4% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
0.10 ± 6% +0.0 0.12 ± 6% perf-profile.children.cycles-pp.posix_clock_poll
0.12 ± 6% +0.0 0.14 ± 4% perf-profile.children.cycles-pp.do_poll
0.27 ± 5% +0.0 0.29 ± 3% perf-profile.children.cycles-pp.down_read
0.15 ± 9% +0.0 0.18 ± 7% perf-profile.children.cycles-pp.up_read
0.12 ± 6% +0.0 0.15 ± 6% perf-profile.children.cycles-pp.link_path_walk
0.18 ± 5% +0.0 0.22 ± 7% perf-profile.children.cycles-pp.__switch_to
0.21 ± 4% +0.1 0.26 ± 13% perf-profile.children.cycles-pp.finish_task_switch
0.00 +0.1 0.08 ± 21% perf-profile.children.cycles-pp.step_into
0.87 ± 6% +0.1 1.00 ± 5% perf-profile.children.cycles-pp.posix_timer_unhash_and_free
6.08 ± 2% +0.4 6.45 ± 2% perf-profile.children.cycles-pp.igb_ptp_gettimex_82580
6.27 ± 2% +0.4 6.66 ± 2% perf-profile.children.cycles-pp.pc_clock_gettime
6.39 ± 2% +0.4 6.78 ± 2% perf-profile.children.cycles-pp.clock_gettime
77.76 +1.4 79.16 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
77.38 +1.4 78.81 perf-profile.children.cycles-pp.do_syscall_64
53.58 +2.9 56.46 perf-profile.children.cycles-pp.clock_adjtime
52.83 +2.9 55.78 perf-profile.children.cycles-pp.__do_sys_clock_adjtime
51.38 +3.1 54.50 perf-profile.children.cycles-pp.do_adjtimex
47.34 +3.4 50.76 perf-profile.children.cycles-pp.timekeeping_inject_offset
43.40 +4.3 47.66 perf-profile.children.cycles-pp.clock_was_set
9.11 ± 8% +5.2 14.27 ± 2% perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath
29.22 +6.0 35.19 perf-profile.children.cycles-pp._raw_spin_lock_irqsave
13.04 -1.7 11.30 ± 2% perf-profile.self.cycles-pp.ktime_get_update_offsets_now
1.03 ± 5% -0.5 0.57 ± 8% perf-profile.self.cycles-pp.ktime_get_real_ts64
4.24 ± 4% -0.3 3.92 ± 5% perf-profile.self.cycles-pp.ktime_get
0.81 ± 4% -0.2 0.58 ± 7% perf-profile.self.cycles-pp.intel_idle_irq
0.70 ± 5% -0.2 0.51 ± 9% perf-profile.self.cycles-pp.ktime_get_with_offset
0.47 ± 7% -0.2 0.29 ± 21% perf-profile.self.cycles-pp.ktime_get_ts64
0.39 ± 3% -0.1 0.24 ± 4% perf-profile.self.cycles-pp.update_vsyscall
0.66 ± 8% -0.1 0.52 ± 15% perf-profile.self.cycles-pp.ktime_get_raw_ts64
0.74 ± 3% -0.1 0.61 ± 4% perf-profile.self.cycles-pp.__do_sys_clock_adjtime
0.31 ± 7% -0.1 0.18 ± 16% perf-profile.self.cycles-pp.smp_call_function_many_cond
0.95 ± 3% -0.1 0.82 ± 5% perf-profile.self.cycles-pp.blake2s_compress
0.80 ± 2% -0.1 0.68 ± 3% perf-profile.self.cycles-pp.timekeeping_update
1.43 ± 2% -0.1 1.32 ± 2% perf-profile.self.cycles-pp.read_tsc
0.26 ± 7% -0.1 0.15 ± 22% perf-profile.self.cycles-pp.ktime_get_coarse_real_ts64
0.98 ± 4% -0.1 0.87 ± 5% perf-profile.self.cycles-pp.poll_idle
0.56 ± 3% -0.1 0.46 ± 7% perf-profile.self.cycles-pp.update_fast_timekeeper
0.32 ± 5% -0.1 0.23 ± 5% perf-profile.self.cycles-pp.timekeeping_inject_offset
1.12 ± 2% -0.1 1.03 ± 2% perf-profile.self.cycles-pp._copy_to_user
0.50 ± 2% -0.1 0.41 ± 5% perf-profile.self.cycles-pp.timekeeping_forward_now
0.51 ± 7% -0.1 0.45 ± 3% perf-profile.self.cycles-pp.hrtimer_interrupt
0.30 ± 8% -0.1 0.24 ± 3% perf-profile.self.cycles-pp.lockref_get_not_dead
0.10 ± 9% -0.1 0.04 ± 45% perf-profile.self.cycles-pp.enqueue_entity
0.13 ± 18% -0.1 0.08 ± 25% perf-profile.self.cycles-pp.ktime_mono_to_any
0.27 ± 6% -0.1 0.21 ± 5% perf-profile.self.cycles-pp.apparmor_capable
0.16 ± 8% -0.1 0.10 ± 21% perf-profile.self.cycles-pp.hrtimer_start_range_ns
0.18 ± 9% -0.0 0.14 ± 8% perf-profile.self.cycles-pp.kobject_get
0.15 ± 11% -0.0 0.11 ± 14% perf-profile.self.cycles-pp.resched_curr
0.59 ± 2% -0.0 0.56 ± 2% perf-profile.self.cycles-pp.lapic_next_deadline
0.41 ± 4% -0.0 0.38 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
0.33 ± 3% -0.0 0.30 ± 5% perf-profile.self.cycles-pp.do_syscall_64
0.20 ± 7% -0.0 0.17 ± 5% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.26 ± 5% -0.0 0.23 ± 4% perf-profile.self.cycles-pp.syscall_return_via_sysret
0.19 ± 3% -0.0 0.16 ± 8% perf-profile.self.cycles-pp.apparmor_file_alloc_security
0.10 ± 4% -0.0 0.08 ± 8% perf-profile.self.cycles-pp.update_curr
0.14 ± 11% +0.0 0.18 ± 7% perf-profile.self.cycles-pp.up_read
0.17 ± 5% +0.0 0.21 ± 6% perf-profile.self.cycles-pp.__switch_to
0.01 ±223% +0.1 0.08 ± 8% perf-profile.self.cycles-pp.dequeue_task_fair
20.56 +0.9 21.48 perf-profile.self.cycles-pp._raw_spin_lock_irqsave
9.08 ± 8% +5.2 14.24 ± 2% 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
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