From: kernel test robot <oliver.sang@intel.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
<aubrey.li@linux.intel.com>, <yu.c.chen@intel.com>,
<oliver.sang@intel.com>
Subject: [linus:master] [sched/rt] dd29c017ae: stress-ng.cyclic.ops_per_sec 24.2% regression
Date: Sat, 4 Jul 2026 11:13:33 +0800 [thread overview]
Message-ID: <202607041048.a96a4796-lkp@intel.com> (raw)
Hello,
this report is just FYI.
we reported
"[tip:sched/core] [sched/rt] dd29c017ae: stress-ng.mutex.ops_per_sec 50.7% regression"
in [1]
(there are two regressions in that report, still log as below "In addition" part
for a full picture)
now the commit is in mainline, and we captured a regression in another stress-ng
tests.
as mentioned in [1], we still build the kernel with
# CONFIG_PREEMPT_RT is not set
(full config which is used to build both dd29c017ae and its parent is in [2])
[1] https://lore.kernel.org/all/202605291602.aff7d092-lkp@intel.com/
[2] https://download.01.org/0day-ci/archive/20260704/202607041048.a96a4796-lkp@intel.com/config-7.1.0-rc2+
so this report is just FYI what's the impact of RT_PUSH_IPI being off in some
stress-ng performance tests.
below is full report.
kernel test robot noticed a 24.2% regression of stress-ng.cyclic.ops_per_sec on:
commit: dd29c017aed628076e915fe4cdfb5392fd4c5cab ("sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[still regression on linus/master dc59e4fea9d83f03bad6bddf3fa2e52491777482]
[still regression on linux-next/master 7de6ae9e12207ec146f2f3f1e58d1a99317e88bc]
testcase: stress-ng
config: x86_64-rhel-9.4
compiler: gcc-14
test machine: 256 threads 4 sockets INTEL(R) XEON(R) PLATINUM 8592+ (Emerald Rapids) with 256G memory
parameters:
nr_threads: 100%
testtime: 60s
test: cyclic
method: clock_ns
cpufreq_governor: performance
In addition to that, the commit also has significant impact on the following tests:
+------------------+-----------------------------------------------------------+
| testcase: change | stress-ng: stress-ng.cyclic.ops_per_sec 24.5% regression |
| test parameters | cpufreq_governor=performance |
| | method=itimer |
| | nr_threads=100% |
| | test=cyclic |
| | testtime=60s |
+------------------+-----------------------------------------------------------+
| testcase: change | stress-ng: stress-ng.mutex.ops_per_sec 50.7% regression |
| test parameters | cpufreq_governor=performance |
| | nr_threads=100% |
| | test=mutex |
| | 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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202607041048.a96a4796-lkp@intel.com
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260704/202607041048.a96a4796-lkp@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/method/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/clock_ns/100%/debian-13-x86_64-20250902.cgz/lkp-emr-2sp1/cyclic/stress-ng/60s
commit:
04f80f8b12 ("sched: Switch rq->next_class on proxy_resched_idle()")
dd29c017ae ("sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT")
04f80f8b12a02fa2 dd29c017aed628076e915fe4cdf
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.372e+08 -24.2% 1.04e+08 stress-ng.cyclic.ops
2286936 -24.2% 1732899 stress-ng.cyclic.ops_per_sec
2585 ± 4% +54.2% 3987 ± 8% stress-ng.time.involuntary_context_switches
697.33 ± 3% +117.7% 1518 stress-ng.time.percent_of_cpu_this_job_got
394.36 ± 3% +125.6% 889.75 stress-ng.time.system_time
1.372e+08 -24.2% 1.04e+08 stress-ng.time.voluntary_context_switches
46261 -25.5% 34461 uptime.idle
1.343e+10 -86.0% 1.883e+09 ± 4% cpuidle..time
1.477e+08 -71.8% 41674135 ± 3% cpuidle..usage
30719 ± 36% +145.3% 75340 ± 36% numa-vmstat.node2.nr_anon_pages
108453 ± 35% -42.0% 62952 ± 20% numa-vmstat.node3.nr_mapped
122675 ± 36% +145.9% 301672 ± 36% numa-meminfo.node2.AnonPages
131722 ± 38% +171.4% 357438 ± 43% numa-meminfo.node2.AnonPages.max
434359 ± 35% -42.6% 249193 ± 20% numa-meminfo.node3.Mapped
80.83 ± 17% +759.8% 695.00 ± 14% perf-c2c.DRAM.local
8058 ± 11% +1064.8% 93869 ± 12% perf-c2c.DRAM.remote
2971 ± 9% +1479.0% 46915 ± 13% perf-c2c.HITM.local
5136 ± 8% +890.7% 50881 ± 12% perf-c2c.HITM.remote
8107 ± 7% +1106.3% 97796 ± 13% perf-c2c.HITM.total
4526115 -24.0% 3441006 perf-stat.i.context-switches
3127 ± 38% +371.7% 14754 ± 6% perf-stat.i.cpu-migrations
8502 ± 2% +22.8% 10441 ± 10% perf-stat.i.minor-faults
8502 ± 2% +22.8% 10441 ± 10% perf-stat.i.page-faults
4451303 -24.7% 3351634 perf-stat.ps.context-switches
3078 ± 38% +370.2% 14473 ± 5% perf-stat.ps.cpu-migrations
91.71 -51.7% 44.30 ± 2% vmstat.cpu.id
7.83 +591.9% 54.20 vmstat.cpu.sy
11395001 -36.0% 7298342 ± 6% vmstat.memory.cache
20.30 ± 3% +59.3% 32.34 ± 4% vmstat.procs.r
4291056 -23.4% 3286648 vmstat.system.cs
2516487 -21.5% 1976032 vmstat.system.in
91.35 -48.9 42.43 ± 2% mpstat.cpu.all.idle%
5.31 ± 3% +24.8 30.13 mpstat.cpu.all.irq%
0.03 ± 6% +0.3 0.28 ± 3% mpstat.cpu.all.soft%
2.73 ± 4% +22.9 25.63 ± 2% mpstat.cpu.all.sys%
0.58 ± 6% +1.0 1.53 ± 8% mpstat.cpu.all.usr%
18.67 ± 5% +153.6% 47.33 mpstat.max_utilization.seconds
10.89 ± 2% +502.3% 65.58 mpstat.max_utilization_pct
8312598 -48.5% 4277558 ± 11% meminfo.Active
8312568 -48.5% 4277526 ± 11% meminfo.Active(anon)
11181713 -36.5% 7104233 ± 6% meminfo.Cached
12716039 -31.3% 8736852 ± 5% meminfo.Committed_AS
169541 -6.4% 158688 meminfo.KReclaimable
530414 ± 24% -30.3% 369767 ± 11% meminfo.Mapped
16070115 -24.7% 12104668 ± 4% meminfo.Memused
169541 -6.4% 158688 meminfo.SReclaimable
7090030 -57.5% 3012545 ± 15% meminfo.Shmem
16266245 -25.1% 12177822 ± 3% meminfo.max_used_kB
474.83 ± 2% +440.5% 2566 turbostat.Avg_MHz
16.86 ± 2% +71.8 88.64 turbostat.Busy%
2816 +2.8% 2895 turbostat.Bzy_MHz
0.02 ± 20% +0.0 0.06 turbostat.C1%
75.14 ± 3% -67.3 7.81 ± 3% turbostat.C1E%
8.92 ± 25% -5.2 3.70 ± 6% turbostat.C6%
63.27 ± 3% -96.3% 2.33 ± 3% turbostat.CPU%c1
6.10 ± 34% -47.5% 3.20 ± 8% turbostat.CPU%c6
66.50 ± 3% +18.3% 78.67 ± 9% turbostat.CoreTmp
0.25 ± 3% -72.2% 0.07 turbostat.IPC
1.608e+08 -22.4% 1.248e+08 turbostat.IRQ
2245676 ± 2% +255.6% 7986519 turbostat.NMI
0.64 ± 18% -74.9% 0.16 ±100% turbostat.Pkg%pc2
413.16 +37.5% 568.12 turbostat.PkgWatt
18.52 +9.7% 20.31 turbostat.RAMWatt
2078444 -48.5% 1069909 ± 11% proc-vmstat.nr_active_anon
306705 +3.7% 317907 proc-vmstat.nr_anon_pages
6152060 +1.6% 6251054 proc-vmstat.nr_dirty_background_threshold
12319162 +1.6% 12517392 proc-vmstat.nr_dirty_threshold
2795725 -36.5% 1776231 ± 6% proc-vmstat.nr_file_pages
61841843 +1.6% 62833235 proc-vmstat.nr_free_pages
61675605 +1.6% 62685661 proc-vmstat.nr_free_pages_blocks
132684 ± 24% -30.3% 92543 ± 11% proc-vmstat.nr_mapped
1772803 -57.5% 753310 ± 15% proc-vmstat.nr_shmem
42384 -6.4% 39669 proc-vmstat.nr_slab_reclaimable
2078444 -48.5% 1069909 ± 11% proc-vmstat.nr_zone_active_anon
3548266 -37.4% 2220607 ± 8% proc-vmstat.numa_hit
3151131 -42.1% 1823231 ± 10% proc-vmstat.numa_local
83582 ± 41% +150.1% 209055 ± 43% proc-vmstat.numa_pte_updates
3761618 -34.7% 2454466 ± 8% proc-vmstat.pgalloc_normal
866584 ± 2% -11.3% 768970 ± 6% proc-vmstat.pgfree
176.58 ± 11% +64.1% 289.86 ± 14% sched_debug.cfs_rq:/.avg_vruntime.min
0.03 ± 18% +41.6% 0.04 ± 11% sched_debug.cfs_rq:/.h_nr_queued.avg
0.17 ± 8% +22.4% 0.20 ± 4% sched_debug.cfs_rq:/.h_nr_queued.stddev
0.03 ± 18% +41.6% 0.04 ± 11% sched_debug.cfs_rq:/.h_nr_runnable.avg
0.17 ± 8% +22.4% 0.20 ± 4% sched_debug.cfs_rq:/.h_nr_runnable.stddev
1.30 ±105% +3981.4% 53.10 ± 47% sched_debug.cfs_rq:/.left_deadline.avg
333.03 ±105% +991.6% 3635 ± 53% sched_debug.cfs_rq:/.left_deadline.max
20.77 ±105% +1650.1% 363.57 ± 50% sched_debug.cfs_rq:/.left_deadline.stddev
1.12 ±107% +4648.0% 52.95 ± 47% sched_debug.cfs_rq:/.left_vruntime.avg
285.51 ±107% +1167.9% 3619 ± 53% sched_debug.cfs_rq:/.left_vruntime.max
17.81 ±107% +1934.7% 362.37 ± 50% sched_debug.cfs_rq:/.left_vruntime.stddev
7743 ± 30% +97.9% 15326 ± 33% sched_debug.cfs_rq:/.load.avg
0.03 ± 18% +41.6% 0.04 ± 11% sched_debug.cfs_rq:/.nr_queued.avg
0.17 ± 8% +22.4% 0.20 ± 4% sched_debug.cfs_rq:/.nr_queued.stddev
1.12 ±107% +4648.0% 52.95 ± 47% sched_debug.cfs_rq:/.right_vruntime.avg
285.51 ±107% +1167.9% 3619 ± 53% sched_debug.cfs_rq:/.right_vruntime.max
17.81 ±107% +1934.7% 362.37 ± 50% sched_debug.cfs_rq:/.right_vruntime.stddev
156.12 ± 6% +23.2% 192.41 ± 4% sched_debug.cfs_rq:/.runnable_avg.stddev
15.09 ±100% +50129.8% 7581 ± 43% sched_debug.cfs_rq:/.sum_weight.avg
3863 ±100% +12531.6% 488065 ± 28% sched_debug.cfs_rq:/.sum_weight.max
241.02 ±100% +20483.6% 49609 ± 30% sched_debug.cfs_rq:/.sum_weight.stddev
153.92 ± 7% +16.7% 179.69 ± 2% sched_debug.cfs_rq:/.util_avg.stddev
10.15 ± 13% +102.7% 20.56 ± 6% sched_debug.cfs_rq:/.util_est.avg
88.08 ± 10% +36.6% 120.31 ± 4% sched_debug.cfs_rq:/.util_est.stddev
176.58 ± 11% +64.1% 289.86 ± 14% sched_debug.cfs_rq:/.zero_vruntime.min
19929 ± 18% +258.1% 71375 ± 55% sched_debug.cpu.avg_idle.min
14.87 ± 8% +205.6% 45.44 ± 22% sched_debug.cpu.clock.stddev
586.36 ± 20% +651.5% 4406 ± 3% sched_debug.cpu.curr->pid.avg
2224 ± 9% +36.8% 3043 ± 3% sched_debug.cpu.curr->pid.stddev
0.00 ± 14% +163.6% 0.00 ± 20% sched_debug.cpu.next_balance.stddev
0.06 ± 20% +43.5% 0.09 ± 18% sched_debug.cpu.nr_running.avg
528283 -24.2% 400558 sched_debug.cpu.nr_switches.avg
624733 ± 4% -30.8% 432289 sched_debug.cpu.nr_switches.max
108387 ±106% +235.3% 363420 ± 2% sched_debug.cpu.nr_switches.min
100258 ± 45% -82.6% 17437 ± 36% sched_debug.cpu.nr_switches.stddev
0.03 ± 24% +105.4% 0.06 ± 20% sched_debug.rt_rq:.rt_nr_running.avg
0.12 ± 11% +41.5% 0.17 ± 11% sched_debug.rt_rq:.rt_nr_running.stddev
***************************************************************************************************
=========================================================================================
compiler/cpufreq_governor/kconfig/method/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/itimer/100%/debian-13-x86_64-20250902.cgz/lkp-emr-2sp1/cyclic/stress-ng/60s
commit:
04f80f8b12 ("sched: Switch rq->next_class on proxy_resched_idle()")
dd29c017ae ("sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT")
04f80f8b12a02fa2 dd29c017aed628076e915fe4cdf
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.326e+08 -24.5% 1.001e+08 ± 3% stress-ng.cyclic.ops
2209225 -24.5% 1667869 ± 3% stress-ng.cyclic.ops_per_sec
2723 ± 3% +57.8% 4297 ± 8% stress-ng.time.involuntary_context_switches
1383 ± 2% +51.1% 2090 stress-ng.time.percent_of_cpu_this_job_got
746.65 ± 3% +56.6% 1169 stress-ng.time.system_time
1.326e+08 -24.5% 1.001e+08 ± 3% stress-ng.time.voluntary_context_switches
185499 ± 18% -29.7% 130318 ± 9% numa-meminfo.node0.SUnreclaim
46376 ± 18% -29.7% 32579 ± 9% numa-vmstat.node0.nr_slab_unreclaimable
119846 -9.7% 108272 uptime.idle
1.299e+10 ± 2% -86.7% 1.73e+09 ± 10% cpuidle..time
1.434e+08 -72.9% 38905147 ± 15% cpuidle..usage
185.17 ± 19% +503.1% 1116 ± 15% perf-c2c.DRAM.local
15049 ± 9% +787.8% 133612 ± 8% perf-c2c.DRAM.remote
7338 ± 10% +819.8% 67498 ± 8% perf-c2c.HITM.local
9511 ± 11% +634.1% 69819 ± 7% perf-c2c.HITM.remote
16849 ± 9% +715.0% 137318 ± 7% perf-c2c.HITM.total
88.18 -51.7 36.43 ± 9% mpstat.cpu.all.idle%
5.68 ± 6% +21.3 27.02 ± 2% mpstat.cpu.all.irq%
0.27 ± 2% +0.3 0.61 ± 10% mpstat.cpu.all.soft%
4.93 ± 3% +28.0 32.96 ± 7% mpstat.cpu.all.sys%
0.95 ± 2% +2.0 2.98 ± 4% mpstat.cpu.all.usr%
13.75 ± 3% +422.8% 71.88 ± 5% mpstat.max_utilization_pct
4349738 -24.1% 3301294 ± 3% perf-stat.i.context-switches
5133 ± 24% +174.8% 14108 ± 4% perf-stat.i.cpu-migrations
8760 ± 5% +16.1% 10171 ± 16% perf-stat.i.minor-faults
8760 ± 5% +16.1% 10171 ± 16% perf-stat.i.page-faults
4278510 -24.5% 3230305 ± 3% perf-stat.ps.context-switches
5048 ± 24% +175.7% 13919 ± 4% perf-stat.ps.cpu-migrations
88.48 -56.6% 38.41 ± 7% vmstat.cpu.id
10.61 ± 4% +452.9% 58.67 ± 5% vmstat.cpu.sy
11022070 -38.2% 6806541 ± 7% vmstat.memory.cache
28.03 ± 6% +26.8% 35.53 ± 4% vmstat.procs.r
4125078 -23.1% 3172394 ± 3% vmstat.system.cs
2451475 -20.5% 1948155 ± 3% vmstat.system.in
7840060 ± 2% -52.5% 3722855 ± 15% meminfo.Active
7840030 ± 2% -52.5% 3722823 ± 15% meminfo.Active(anon)
10777487 -38.6% 6620517 ± 7% meminfo.Cached
12341767 -33.1% 8256625 ± 6% meminfo.Committed_AS
164951 -6.7% 153849 meminfo.KReclaimable
486167 ± 13% -31.8% 331454 ± 18% meminfo.Mapped
15528823 -26.0% 11494524 ± 5% meminfo.Memused
164951 -6.7% 153849 meminfo.SReclaimable
6686934 -62.2% 2529965 ± 19% meminfo.Shmem
15719893 -26.4% 11571834 ± 5% meminfo.max_used_kB
1960224 ± 2% -52.4% 932360 ± 15% proc-vmstat.nr_active_anon
6165572 +1.6% 6266159 proc-vmstat.nr_dirty_background_threshold
12346220 +1.6% 12547641 proc-vmstat.nr_dirty_threshold
2694591 -38.5% 1656705 ± 7% proc-vmstat.nr_file_pages
61977276 +1.6% 62984623 proc-vmstat.nr_free_pages
61815520 +1.6% 62825650 proc-vmstat.nr_free_pages_blocks
121600 ± 13% -31.5% 83270 ± 18% proc-vmstat.nr_mapped
1671954 -62.1% 634068 ± 19% proc-vmstat.nr_shmem
41239 -6.7% 38470 proc-vmstat.nr_slab_reclaimable
117718 -3.3% 113792 proc-vmstat.nr_slab_unreclaimable
1960224 ± 2% -52.4% 932360 ± 15% proc-vmstat.nr_zone_active_anon
3537898 ± 3% -42.0% 2050618 ± 9% proc-vmstat.numa_hit
3137152 ± 4% -47.3% 1653712 ± 11% proc-vmstat.numa_local
3898926 -41.2% 2293957 ± 9% proc-vmstat.pgalloc_normal
1141747 ± 5% -32.1% 775361 ± 10% proc-vmstat.pgfree
36360 ± 2% -10.0% 32721 proc-vmstat.pgreuse
563.67 ± 4% +360.0% 2593 turbostat.Avg_MHz
19.98 ± 4% +69.6 89.54 turbostat.Busy%
2821 +2.6% 2895 turbostat.Bzy_MHz
0.03 ± 17% +0.0 0.06 ± 13% turbostat.C1%
71.82 ± 2% -64.5 7.32 ± 15% turbostat.C1E%
9.14 ± 22% -5.9 3.28 ± 5% turbostat.C6%
59.26 -96.4% 2.12 ± 20% turbostat.CPU%c1
5.02 ± 33% -42.4% 2.89 ± 6% turbostat.CPU%c6
55.33 ± 5% +23.8% 68.50 ± 7% turbostat.CoreTmp
0.30 ± 4% -70.2% 0.09 turbostat.IPC
1.574e+08 -22.1% 1.226e+08 ± 3% turbostat.IRQ
2707717 ± 2% +211.2% 8426390 ± 3% turbostat.NMI
0.77 ± 85% -86.8% 0.10 ±158% turbostat.Pkg%pc2
61.00 ± 3% +16.9% 71.33 ± 4% turbostat.PkgTmp
426.05 +34.8% 574.16 turbostat.PkgWatt
19.05 +7.9% 20.54 turbostat.RAMWatt
2887 ± 5% +18.0% 3405 ± 6% sched_debug.cfs_rq:/.avg_vruntime.avg
124.94 ± 57% +145.2% 306.40 ± 9% sched_debug.cfs_rq:/.avg_vruntime.min
3.86 ±223% +793.7% 34.51 ± 50% sched_debug.cfs_rq:/.left_deadline.avg
3.86 ±223% +789.0% 34.31 ± 50% sched_debug.cfs_rq:/.left_vruntime.avg
3.86 ±223% +789.0% 34.31 ± 50% sched_debug.cfs_rq:/.right_vruntime.avg
148.15 ± 2% +20.8% 178.99 ± 6% sched_debug.cfs_rq:/.runnable_avg.stddev
-45447168 -7551.4% 3.386e+09 ± 57% sched_debug.cfs_rq:/.sum_w_vruntime.avg
7.257e+08 ±223% +4278.1% 3.177e+10 ± 61% sched_debug.cfs_rq:/.sum_w_vruntime.stddev
146.20 ± 2% +15.0% 168.13 ± 6% sched_debug.cfs_rq:/.util_avg.stddev
7.89 ± 6% +92.5% 15.20 ± 21% sched_debug.cfs_rq:/.util_est.avg
72.73 ± 4% +42.4% 103.58 ± 9% sched_debug.cfs_rq:/.util_est.stddev
2887 ± 5% +18.0% 3405 ± 6% sched_debug.cfs_rq:/.zero_vruntime.avg
124.94 ± 57% +145.2% 306.40 ± 9% sched_debug.cfs_rq:/.zero_vruntime.min
22127 ± 2% +146.7% 54579 ± 2% sched_debug.cpu.avg_idle.min
193969 ± 9% -28.7% 138382 ± 7% sched_debug.cpu.avg_idle.stddev
15.74 ± 3% +217.6% 49.99 ± 19% sched_debug.cpu.clock.stddev
780.35 ± 12% +497.0% 4658 ± 2% sched_debug.cpu.curr->pid.avg
2511 ± 5% +17.1% 2941 ± 3% sched_debug.cpu.curr->pid.stddev
0.00 ± 4% +199.9% 0.00 ± 18% sched_debug.cpu.next_balance.stddev
1.00 +50.0% 1.50 sched_debug.cpu.nr_running.max
510666 -24.4% 385912 ± 3% sched_debug.cpu.nr_switches.avg
608446 ± 3% -30.8% 421159 ± 2% sched_debug.cpu.nr_switches.max
68790 ±131% +405.2% 347530 ± 6% sched_debug.cpu.nr_switches.min
94965 ± 20% -81.2% 17852 ± 49% sched_debug.cpu.nr_switches.stddev
3.73 ± 6% +43.9% 5.36 ± 28% sched_debug.cpu.nr_uninterruptible.stddev
***************************************************************************************************
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime:
gcc-14/performance/x86_64-rhel-9.4/100%/debian-13-x86_64-20250902.cgz/lkp-srf-2sp2/mutex/stress-ng/60s
commit:
04f80f8b12 ("sched: Switch rq->next_class on proxy_resched_idle()")
dd29c017ae ("sched/rt: Have RT_PUSH_IPI be default off for non PREEMPT_RT")
04f80f8b12a02fa2 dd29c017aed628076e915fe4cdf
---------------- ---------------------------
%stddev %change %stddev
\ | \
122431 ± 2% +75.5% 214822 ± 2% stress-ng.mutex.nanosecs_per_mutex
83537984 ± 2% -50.7% 41168990 ± 3% stress-ng.mutex.ops
1392295 ± 2% -50.7% 686172 ± 3% stress-ng.mutex.ops_per_sec
61961307 -80.4% 12130280 ± 11% stress-ng.time.involuntary_context_switches
17589 +6.7% 18771 stress-ng.time.percent_of_cpu_this_job_got
10505 +8.7% 11422 stress-ng.time.system_time
94.11 ± 2% -52.6% 44.61 ± 4% stress-ng.time.user_time
31792837 -82.8% 5467214 ± 13% stress-ng.time.voluntary_context_switches
7.297e+08 ± 3% -20.0% 5.836e+08 ± 6% cpuidle..time
7504726 ± 2% -97.7% 169892 ± 2% cpuidle..usage
5.47 +2.8 8.24 ± 4% mpstat.cpu.all.idle%
3.76 ± 2% -3.4 0.38 ± 5% mpstat.cpu.all.irq%
0.06 ± 3% -0.1 0.00 ± 33% mpstat.cpu.all.soft%
1.14 ± 3% -0.7 0.42 ± 4% mpstat.cpu.all.usr%
1663498 ± 32% -84.8% 252442 ± 12% numa-numastat.node0.local_node
1765403 ± 32% -82.2% 314101 ± 2% numa-numastat.node0.numa_hit
1495124 ± 38% -84.7% 228979 ± 13% numa-numastat.node1.local_node
1589196 ± 37% -76.9% 367155 ± 3% numa-numastat.node1.numa_hit
11584135 -63.1% 4268754 vmstat.memory.cache
239.87 +31.5% 315.47 vmstat.procs.r
1612425 -71.2% 464479 ± 13% vmstat.system.cs
1346465 -35.8% 864394 ± 5% vmstat.system.in
455.50 ± 25% -91.4% 39.33 ± 22% perf-c2c.DRAM.local
11832 ± 24% -96.5% 413.00 ± 11% perf-c2c.DRAM.remote
34487 ± 28% -98.7% 459.67 ± 10% perf-c2c.HITM.local
9397 ± 24% -96.2% 354.33 ± 11% perf-c2c.HITM.remote
43884 ± 27% -98.1% 814.00 ± 9% perf-c2c.HITM.total
6.01 ± 3% -2.1 3.93 ± 45% turbostat.C1%
5.49 ± 3% -28.5% 3.92 ± 45% turbostat.CPU%c1
85685316 -68.1% 27369485 ± 44% turbostat.IRQ
8044027 -22.4% 6238674 ± 45% turbostat.NMI
17.67 -17.8% 14.53 ± 44% turbostat.RAMWatt
192382 +525.9% 1204140 ± 36% perf-stat.i.cpu-clock
0.23 ±142% +1094.0% 2.70 ± 70% perf-stat.i.major-faults
7047 ± 17% +282.2% 26931 ± 20% perf-stat.i.minor-faults
7047 ± 17% +282.2% 26934 ± 20% perf-stat.i.page-faults
192382 +525.9% 1204176 ± 36% perf-stat.i.task-clock
1659840 -86.8% 219060 ± 24% perf-stat.ps.context-switches
440129 ± 2% -90.3% 42896 ± 27% perf-stat.ps.cpu-migrations
6827 ± 17% -69.1% 2109 ± 35% perf-stat.ps.minor-faults
6827 ± 17% -69.1% 2109 ± 35% perf-stat.ps.page-faults
8414745 -87.1% 1084149 meminfo.Active
8414714 -87.1% 1084117 meminfo.Active(anon)
756769 -7.6% 699135 meminfo.AnonHugePages
1141093 -7.8% 1052032 meminfo.AnonPages
11370849 -63.7% 4126678 meminfo.Cached
12667118 -61.8% 4845108 meminfo.Committed_AS
156321 -12.5% 136739 meminfo.KReclaimable
469540 ± 6% -77.1% 107321 ± 4% meminfo.Mapped
15939063 -46.8% 8473455 meminfo.Memused
156321 -12.5% 136739 meminfo.SReclaimable
7280155 -99.5% 36009 ± 19% meminfo.Shmem
16088016 -46.3% 8645299 meminfo.max_used_kB
4142244 ± 35% -89.8% 423565 ± 52% numa-meminfo.node0.Active
4142225 ± 35% -89.8% 423547 ± 52% numa-meminfo.node0.Active(anon)
266266 ± 38% -67.0% 87783 ± 4% numa-meminfo.node0.Mapped
3897747 ± 37% -99.8% 9633 ± 47% numa-meminfo.node0.Shmem
4282655 ± 35% -84.7% 653838 ± 32% numa-meminfo.node1.Active
4282642 ± 35% -84.7% 653824 ± 32% numa-meminfo.node1.Active(anon)
891410 ± 7% -29.6% 627760 ± 35% numa-meminfo.node1.AnonPages
927124 ± 8% -28.1% 666546 ± 33% numa-meminfo.node1.AnonPages.max
5283722 ± 53% -98.5% 80849 ±135% numa-meminfo.node1.FilePages
82055 ± 29% -47.2% 43290 ± 35% numa-meminfo.node1.KReclaimable
205816 ± 56% -89.9% 20793 ± 34% numa-meminfo.node1.Mapped
7685906 ± 38% -72.0% 2153232 ± 17% numa-meminfo.node1.MemUsed
82055 ± 29% -47.2% 43290 ± 35% numa-meminfo.node1.SReclaimable
3392847 ± 45% -99.2% 26506 ± 30% numa-meminfo.node1.Shmem
1035914 ± 35% -89.8% 105497 ± 51% numa-vmstat.node0.nr_active_anon
66703 ± 38% -67.2% 21869 ± 4% numa-vmstat.node0.nr_mapped
974835 ± 37% -99.8% 2388 ± 46% numa-vmstat.node0.nr_shmem
1035910 ± 35% -89.8% 105496 ± 51% numa-vmstat.node0.nr_zone_active_anon
1765534 ± 32% -82.2% 314433 ± 3% numa-vmstat.node0.numa_hit
1663629 ± 32% -84.8% 252773 ± 12% numa-vmstat.node0.numa_local
1071000 ± 35% -84.7% 163351 ± 33% numa-vmstat.node1.nr_active_anon
222784 ± 7% -29.8% 156346 ± 36% numa-vmstat.node1.nr_anon_pages
1321330 ± 53% -98.4% 20714 ±134% numa-vmstat.node1.nr_file_pages
51564 ± 56% -89.1% 5634 ± 45% numa-vmstat.node1.nr_mapped
848611 ± 45% -99.2% 7129 ± 38% numa-vmstat.node1.nr_shmem
20515 ± 29% -47.2% 10831 ± 35% numa-vmstat.node1.nr_slab_reclaimable
1070997 ± 35% -84.7% 163350 ± 33% numa-vmstat.node1.nr_zone_active_anon
1589301 ± 37% -76.9% 367554 ± 3% numa-vmstat.node1.numa_hit
1495229 ± 38% -84.7% 229379 ± 13% numa-vmstat.node1.numa_local
2104201 -87.2% 270347 proc-vmstat.nr_active_anon
285274 -8.0% 262490 proc-vmstat.nr_anon_pages
6055069 +3.1% 6241788 proc-vmstat.nr_dirty_background_threshold
12124944 +3.1% 12498839 proc-vmstat.nr_dirty_threshold
2843227 -63.7% 1031516 proc-vmstat.nr_file_pages
60921938 +3.1% 62791869 proc-vmstat.nr_free_pages
60844285 +3.0% 62661195 proc-vmstat.nr_free_pages_blocks
42156 -3.1% 40855 proc-vmstat.nr_kernel_stack
117492 ± 6% -77.2% 26844 ± 5% proc-vmstat.nr_mapped
1820554 -99.5% 8848 ± 21% proc-vmstat.nr_shmem
39080 -12.6% 34150 proc-vmstat.nr_slab_reclaimable
2104201 -87.2% 270347 proc-vmstat.nr_zone_active_anon
160577 ± 48% -98.9% 1782 ± 53% proc-vmstat.numa_hint_faults
136651 ± 57% -98.9% 1458 ± 59% proc-vmstat.numa_hint_faults_local
3357291 -79.6% 684548 proc-vmstat.numa_hit
3161259 -84.7% 484712 proc-vmstat.numa_local
16807 ± 47% -98.1% 324.17 ± 63% proc-vmstat.numa_pages_migrated
173687 ± 47% -97.3% 4674 proc-vmstat.numa_pte_updates
3507405 -76.5% 824225 proc-vmstat.pgalloc_normal
577848 ± 15% -47.6% 302746 ± 2% proc-vmstat.pgfault
510633 ± 4% -14.7% 435432 ± 6% proc-vmstat.pgfree
16807 ± 47% -98.1% 324.17 ± 63% proc-vmstat.pgmigrate_success
33009 ± 22% -57.0% 14180 ± 2% proc-vmstat.pgreuse
0.18 ± 9% +27.7% 0.24 ± 12% sched_debug.cfs_rq:/.h_nr_queued.stddev
0.18 ± 9% +27.7% 0.24 ± 12% sched_debug.cfs_rq:/.h_nr_runnable.stddev
8069 ± 57% +241.5% 27554 ± 39% sched_debug.cfs_rq:/.load.avg
541768 +112.9% 1153311 ± 16% sched_debug.cfs_rq:/.load.max
56659 ± 28% +147.8% 140379 ± 20% sched_debug.cfs_rq:/.load.stddev
1.00 +58.3% 1.58 ± 11% sched_debug.cfs_rq:/.nr_queued.max
0.18 ± 9% +32.0% 0.24 ± 13% sched_debug.cfs_rq:/.nr_queued.stddev
512.00 +2893.2% 15325 ±136% sched_debug.cfs_rq:/.removed.load_avg.max
263.17 ± 2% +40.0% 368.42 ± 29% sched_debug.cfs_rq:/.removed.runnable_avg.max
263.17 ± 2% +38.8% 365.25 ± 29% sched_debug.cfs_rq:/.removed.util_avg.max
89.41 ± 9% +94.7% 174.11 ± 11% sched_debug.cfs_rq:/.runnable_avg.avg
899.00 ± 14% +47.7% 1328 ± 9% sched_debug.cfs_rq:/.runnable_avg.max
171.19 ± 11% +66.7% 285.38 ± 9% sched_debug.cfs_rq:/.runnable_avg.stddev
727143 +25.7% 914236 sched_debug.cpu.avg_idle.avg
32319 ± 42% +289.9% 126004 ± 50% sched_debug.cpu.avg_idle.min
243831 ± 6% -35.3% 157840 ± 10% sched_debug.cpu.avg_idle.stddev
629.39 -21.0% 497.13 ± 6% sched_debug.cpu.clock_task.stddev
4472 -90.9% 407.17 ± 54% sched_debug.cpu.curr->pid.avg
9062 -6.3% 8493 sched_debug.cpu.curr->pid.max
0.68 ± 4% -90.9% 0.06 ± 53% sched_debug.cpu.nr_running.avg
2.33 ± 10% -32.1% 1.58 ± 21% sched_debug.cpu.nr_running.max
0.55 ± 3% -53.5% 0.25 ± 26% sched_debug.cpu.nr_running.stddev
264436 -81.9% 47857 ± 11% sched_debug.cpu.nr_switches.avg
351496 ± 4% -73.8% 92003 ± 8% sched_debug.cpu.nr_switches.max
204437 ± 8% -87.4% 25742 ± 16% sched_debug.cpu.nr_switches.min
40064 ± 26% -67.5% 13025 ± 4% sched_debug.cpu.nr_switches.stddev
0.01 ± 46% +656.2% 0.05 ± 21% sched_debug.dl_rq:.dl_nr_running.avg
0.06 ± 26% +169.6% 0.15 ± 9% sched_debug.dl_rq:.dl_nr_running.stddev
0.67 ± 4% -98.3% 0.01 ±141% sched_debug.rt_rq:.rt_nr_running.avg
1.92 ± 9% -82.6% 0.33 ±141% sched_debug.rt_rq:.rt_nr_running.max
0.43 -89.4% 0.05 ±141% sched_debug.rt_rq:.rt_nr_running.stddev
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
reply other threads:[~2026-07-04 3:13 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202607041048.a96a4796-lkp@intel.com \
--to=oliver.sang@intel.com \
--cc=aubrey.li@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkp@intel.com \
--cc=oe-lkp@lists.linux.dev \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.org \
--cc=tj@kernel.org \
--cc=yu.c.chen@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.