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Message-ID: <202305260951.42e8b39c-oliver.sang@intel.com>
Date: Fri, 26 May 2023 09:45:13 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Raghavendra K T <raghavendra.kt@....com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
Aithal Srikanth <sraithal@....com>,
kernel test robot <oliver.sang@...el.com>,
<linux-kernel@...r.kernel.org>, <ying.huang@...el.com>,
<feng.tang@...el.com>, <fengwei.yin@...el.com>,
<aubrey.li@...ux.intel.com>, <yu.c.chen@...el.com>,
<linux-mm@...ck.org>, Ingo Molnar <mingo@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Mel Gorman <mgorman@...e.de>,
"Andrew Morton" <akpm@...ux-foundation.org>,
David Hildenbrand <david@...hat.com>, <rppt@...nel.org>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Bharata B Rao <bharata@....com>,
"Raghavendra K T" <raghavendra.kt@....com>
Subject: Re: [RFC PATCH V2 1/1] sched/numa: Fix disjoint set vma scan
regression
Hello,
kernel test robot noticed a -46.3% improvement of autonuma-benchmark.numa01.seconds on:
commit: d281d36ed007eabb243ad2d489c52c43961f8ac3 ("[RFC PATCH V2 1/1] sched/numa: Fix disjoint set vma scan regression")
url: https://github.com/intel-lab-lkp/linux/commits/Raghavendra-K-T/sched-numa-Fix-disjoint-set-vma-scan-regression/20230516-180954
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git a6fcdd8d95f7486150b3faadfea119fc3dfc3b74
patch link: https://lore.kernel.org/all/b0a8f3490b491d4fd003c3e0493e940afaea5f2c.1684228065.git.raghavendra.kt@amd.com/
patch subject: [RFC PATCH V2 1/1] sched/numa: Fix disjoint set vma scan regression
we noticed this patch addressed the performance regression we reported
https://lore.kernel.org/all/202305101547.20f4c32a-oliver.sang@intel.com/
we also noticed there is still some discussion in the thread
https://lore.kernel.org/all/202305101547.20f4c32a-oliver.sang@intel.com/
since we didn't see V3 patch, send out this report for your information
about its performance impact.
testcase: autonuma-benchmark
test machine: 88 threads 2 sockets Intel(R) Xeon(R) Gold 6238M CPU @ 2.10GHz (Cascade Lake) with 128G memory
parameters:
iterations: 4x
test: numa02_SMT
cpufreq_governor: performance
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
=========================================================================================
compiler/cpufreq_governor/iterations/kconfig/rootfs/tbox_group/test/testcase:
gcc-11/performance/4x/x86_64-rhel-8.3/debian-11.1-x86_64-20220510.cgz/lkp-csl-2sp9/numa02_SMT/autonuma-benchmark
commit:
a6fcdd8d95 ("sched/debug: Correct printing for rq->nr_uninterruptible")
d281d36ed0 ("sched/numa: Fix disjoint set vma scan regression")
a6fcdd8d95f74861 d281d36ed007eabb243ad2d489c
---------------- ---------------------------
%stddev %change %stddev
\ | \
1899 ± 2% -37.4% 1189 ± 18% uptime.boot
1809 +3.1% 1866 vmstat.system.cs
1.685e+10 ± 3% -52.2% 8.052e+09 ± 11% cpuidle..time
17400470 ± 3% -52.3% 8308590 ± 11% cpuidle..usage
26350 ± 7% -9.2% 23932 meminfo.Active
26238 ± 7% -9.2% 23828 meminfo.Active(anon)
38666 ± 8% +21.4% 46957 ± 7% meminfo.Mapped
1996 -16.5% 1666 meminfo.Mlocked
23350 ± 56% +64.7% 38446 ± 8% numa-meminfo.node0.Mapped
5108 ± 6% +78.7% 9132 ± 43% numa-meminfo.node0.Shmem
25075 ± 8% -9.3% 22750 numa-meminfo.node1.Active
25057 ± 8% -9.5% 22681 numa-meminfo.node1.Active(anon)
2038104 ± 7% -34.9% 1327290 ± 12% numa-numastat.node0.local_node
2394647 ± 5% -30.9% 1655892 ± 15% numa-numastat.node0.numa_hit
1988880 ± 7% -27.5% 1442918 ± 12% numa-numastat.node1.local_node
2255986 ± 6% -23.0% 1737172 ± 17% numa-numastat.node1.numa_hit
10.54 ± 3% -1.7 8.83 ± 9% mpstat.cpu.all.idle%
0.00 ± 74% +0.1 0.05 ± 13% mpstat.cpu.all.iowait%
2.48 -0.9 1.57 mpstat.cpu.all.irq%
0.08 ± 2% -0.0 0.06 ± 3% mpstat.cpu.all.soft%
1.48 +0.7 2.19 ± 4% mpstat.cpu.all.sys%
427.10 -46.3% 229.25 ± 3% autonuma-benchmark.numa01.seconds
1819 -43.5% 1027 ± 3% autonuma-benchmark.time.elapsed_time
1819 -43.5% 1027 ± 3% autonuma-benchmark.time.elapsed_time.max
791068 ± 2% -43.6% 446212 ± 4% autonuma-benchmark.time.involuntary_context_switches
2089497 -16.8% 1737489 ± 2% autonuma-benchmark.time.minor_page_faults
7603 +3.2% 7848 autonuma-benchmark.time.percent_of_cpu_this_job_got
136519 -42.2% 78864 ± 3% autonuma-benchmark.time.user_time
22402 +44.8% 32429 ± 4% autonuma-benchmark.time.voluntary_context_switches
5919 ± 55% +64.7% 9747 ± 9% numa-vmstat.node0.nr_mapped
1277 ± 6% +77.6% 2268 ± 43% numa-vmstat.node0.nr_shmem
2394430 ± 5% -30.9% 1655441 ± 15% numa-vmstat.node0.numa_hit
2037887 ± 7% -34.9% 1326839 ± 12% numa-vmstat.node0.numa_local
6261 ± 8% -9.2% 5683 numa-vmstat.node1.nr_active_anon
6261 ± 8% -9.2% 5683 numa-vmstat.node1.nr_zone_active_anon
2255543 ± 6% -23.0% 1736429 ± 17% numa-vmstat.node1.numa_hit
1988436 ± 7% -27.5% 1442174 ± 12% numa-vmstat.node1.numa_local
35815 ± 5% -23.8% 27284 ± 17% turbostat.C1
0.03 ± 17% +0.0 0.07 ± 12% turbostat.C1E%
17197885 ± 3% -52.7% 8127065 ± 11% turbostat.C6
10.48 ± 3% -1.7 8.80 ± 10% turbostat.C6%
10.23 ± 3% -17.3% 8.46 ± 10% turbostat.CPU%c1
0.24 ± 7% +61.3% 0.38 ± 11% turbostat.CPU%c6
1.615e+08 -42.4% 93035289 ± 3% turbostat.IRQ
48830 ± 13% -35.2% 31632 ± 11% turbostat.POLL
0.19 ± 7% +61.1% 0.30 ± 11% turbostat.Pkg%pc2
238.01 +5.2% 250.27 turbostat.PkgWatt
22.38 +25.3% 28.03 turbostat.RAMWatt
6557 ± 7% -9.1% 5963 proc-vmstat.nr_active_anon
1539398 -4.8% 1465253 proc-vmstat.nr_anon_pages
2955 -5.8% 2785 proc-vmstat.nr_anon_transparent_hugepages
1541555 -4.7% 1468824 proc-vmstat.nr_inactive_anon
9843 ± 8% +21.4% 11949 ± 7% proc-vmstat.nr_mapped
499.00 -16.5% 416.67 proc-vmstat.nr_mlock
3896 -3.2% 3770 proc-vmstat.nr_page_table_pages
6557 ± 7% -9.1% 5963 proc-vmstat.nr_zone_active_anon
1541555 -4.7% 1468824 proc-vmstat.nr_zone_inactive_anon
30446 ± 15% +397.7% 151532 ± 4% proc-vmstat.numa_hint_faults
21562 ± 12% +312.9% 89028 ± 3% proc-vmstat.numa_hint_faults_local
4651965 -27.0% 3395711 ± 2% proc-vmstat.numa_hit
5122 ± 7% +1393.9% 76529 ± 5% proc-vmstat.numa_huge_pte_updates
4028316 -31.2% 2772852 ± 2% proc-vmstat.numa_local
1049660 +672.3% 8106150 ± 6% proc-vmstat.numa_pages_migrated
2725369 ± 7% +1343.9% 39352403 ± 5% proc-vmstat.numa_pte_updates
45132 ± 31% +31.9% 59519 proc-vmstat.pgactivate
1.816e+08 ± 2% +5.6% 1.918e+08 ± 3% proc-vmstat.pgalloc_normal
5863913 -30.2% 4092045 ± 2% proc-vmstat.pgfault
1.815e+08 ± 2% +5.7% 1.918e+08 ± 3% proc-vmstat.pgfree
1049660 +672.3% 8106150 ± 6% proc-vmstat.pgmigrate_success
264923 -35.1% 171993 ± 2% proc-vmstat.pgreuse
2037 +675.1% 15790 ± 6% proc-vmstat.thp_migration_success
13598464 -42.9% 7770880 ± 3% proc-vmstat.unevictable_pgs_scanned
3208 ± 14% +44.1% 4624 ± 12% sched_debug.cfs_rq:/.load.min
2.73 ± 16% +52.6% 4.16 ± 14% sched_debug.cfs_rq:/.load_avg.min
94294753 ± 2% -45.7% 51173318 ± 3% sched_debug.cfs_rq:/.min_vruntime.avg
98586361 ± 2% -46.3% 52983552 ± 3% sched_debug.cfs_rq:/.min_vruntime.max
85615972 ± 2% -45.4% 46737672 ± 3% sched_debug.cfs_rq:/.min_vruntime.min
2806211 ± 7% -53.1% 1314959 ± 6% sched_debug.cfs_rq:/.min_vruntime.stddev
2.63 ± 23% +65.8% 4.36 ± 24% sched_debug.cfs_rq:/.removed.load_avg.avg
1.08 ± 23% +55.4% 1.68 ± 19% sched_debug.cfs_rq:/.removed.runnable_avg.avg
1.07 ± 24% +56.7% 1.68 ± 19% sched_debug.cfs_rq:/.removed.util_avg.avg
7252565 ± 13% -46.6% 3874343 ± 15% sched_debug.cfs_rq:/.spread0.avg
11534195 ± 10% -50.8% 5673455 ± 12% sched_debug.cfs_rq:/.spread0.max
-1406320 -61.2% -546147 sched_debug.cfs_rq:/.spread0.min
2795186 ± 7% -53.2% 1309202 ± 6% sched_debug.cfs_rq:/.spread0.stddev
6.57 ± 40% +6868.7% 457.74 ± 6% sched_debug.cfs_rq:/.util_est_enqueued.avg
275.73 ± 43% +333.0% 1193 ± 5% sched_debug.cfs_rq:/.util_est_enqueued.max
37.70 ± 41% +722.1% 309.90 ± 3% sched_debug.cfs_rq:/.util_est_enqueued.stddev
794516 ± 5% -26.2% 586654 ± 17% sched_debug.cpu.avg_idle.min
224.87 ± 4% -42.6% 129.01 ± 10% sched_debug.cpu.clock.stddev
885581 ± 2% -42.6% 508722 ± 3% sched_debug.cpu.clock_task.min
19466 ± 2% -30.4% 13558 ± 4% sched_debug.cpu.curr->pid.avg
26029 ± 2% -33.9% 17216 ± 2% sched_debug.cpu.curr->pid.max
13168 ± 11% -33.3% 8788 ± 12% sched_debug.cpu.curr->pid.min
2761 ± 14% -37.3% 1730 ± 29% sched_debug.cpu.curr->pid.stddev
958735 -24.7% 721786 ± 11% sched_debug.cpu.max_idle_balance_cost.max
97977 ± 3% -52.2% 46860 ± 25% sched_debug.cpu.max_idle_balance_cost.stddev
0.00 ± 4% -41.9% 0.00 ± 10% sched_debug.cpu.next_balance.stddev
20557 ± 3% -37.3% 12889 ± 3% sched_debug.cpu.nr_switches.avg
81932 ± 7% -25.4% 61097 ± 15% sched_debug.cpu.nr_switches.max
6643 ± 6% -39.2% 4037 ± 15% sched_debug.cpu.nr_switches.min
13929 ± 6% -30.1% 9740 ± 4% sched_debug.cpu.nr_switches.stddev
20.30 ± 23% +73.3% 35.19 ± 28% sched_debug.cpu.nr_uninterruptible.max
-12.43 +145.8% -30.55 sched_debug.cpu.nr_uninterruptible.min
5.28 ± 12% +82.4% 9.63 ± 13% sched_debug.cpu.nr_uninterruptible.stddev
925729 ± 2% -42.4% 533314 ± 3% sched_debug.sched_clk
36.08 +51.2% 54.54 ± 2% perf-stat.i.MPKI
1.037e+08 +9.7% 1.137e+08 perf-stat.i.branch-instructions
1.36 +0.0 1.39 perf-stat.i.branch-miss-rate%
1602349 +19.8% 1918946 ± 3% perf-stat.i.branch-misses
11889864 +56.5% 18603954 ± 2% perf-stat.i.cache-misses
17973544 +54.5% 27773059 ± 2% perf-stat.i.cache-references
1771 +3.1% 1826 perf-stat.i.context-switches
2.147e+11 +3.2% 2.215e+11 perf-stat.i.cpu-cycles
112.60 +16.6% 131.26 perf-stat.i.cpu-migrations
18460 -33.1% 12347 perf-stat.i.cycles-between-cache-misses
0.03 ± 4% +0.0 0.04 ± 8% perf-stat.i.dTLB-load-miss-rate%
52266 ± 4% +28.9% 67377 ± 7% perf-stat.i.dTLB-load-misses
1.442e+08 +7.7% 1.553e+08 perf-stat.i.dTLB-loads
0.25 +0.0 0.27 perf-stat.i.dTLB-store-miss-rate%
189901 +13.6% 215670 perf-stat.i.dTLB-store-misses
80186719 +6.8% 85653052 perf-stat.i.dTLB-stores
400061 ± 4% +18.9% 475847 ± 4% perf-stat.i.iTLB-load-misses
361622 ± 2% -18.0% 296709 ± 12% perf-stat.i.iTLB-loads
5.358e+08 +9.1% 5.845e+08 perf-stat.i.instructions
1420 ± 2% -4.7% 1353 ± 3% perf-stat.i.instructions-per-iTLB-miss
0.00 ± 5% +24.9% 0.01 ± 8% perf-stat.i.ipc
0.06 ± 8% -21.0% 0.04 ± 8% perf-stat.i.major-faults
2.44 +3.3% 2.52 perf-stat.i.metric.GHz
1592 +3.9% 1655 ± 2% perf-stat.i.metric.K/sec
2.46 +17.0% 2.88 perf-stat.i.metric.M/sec
3139 +21.5% 3815 perf-stat.i.minor-faults
52.88 +1.2 54.08 perf-stat.i.node-load-miss-rate%
238363 +53.4% 365608 perf-stat.i.node-load-misses
219288 ± 4% +35.5% 297188 perf-stat.i.node-loads
50.27 -6.3 44.01 ± 4% perf-stat.i.node-store-miss-rate%
5122757 +33.6% 6845784 ± 3% perf-stat.i.node-store-misses
5214111 +77.3% 9242761 ± 5% perf-stat.i.node-stores
3139 +21.5% 3815 perf-stat.i.page-faults
33.59 +41.4% 47.50 ± 2% perf-stat.overall.MPKI
1.54 +0.2 1.70 ± 2% perf-stat.overall.branch-miss-rate%
407.04 -6.3% 381.24 perf-stat.overall.cpi
18139 -34.2% 11935 ± 2% perf-stat.overall.cycles-between-cache-misses
0.03 ± 4% +0.0 0.04 ± 7% perf-stat.overall.dTLB-load-miss-rate%
0.24 +0.0 0.25 perf-stat.overall.dTLB-store-miss-rate%
54.20 ± 2% +8.4 62.57 ± 5% perf-stat.overall.iTLB-load-miss-rate%
1353 ± 3% -8.7% 1236 ± 5% perf-stat.overall.instructions-per-iTLB-miss
0.00 +6.8% 0.00 perf-stat.overall.ipc
51.26 ± 2% +2.9 54.20 perf-stat.overall.node-load-miss-rate%
49.80 -7.1 42.74 ± 4% perf-stat.overall.node-store-miss-rate%
1.031e+08 +10.1% 1.136e+08 perf-stat.ps.branch-instructions
1590263 +21.1% 1925935 ± 3% perf-stat.ps.branch-misses
11959851 +55.9% 18644201 ± 2% perf-stat.ps.cache-misses
17905275 +54.8% 27718539 ± 2% perf-stat.ps.cache-references
1778 +2.7% 1826 perf-stat.ps.context-switches
2.169e+11 +2.5% 2.224e+11 perf-stat.ps.cpu-cycles
112.21 +16.9% 131.18 perf-stat.ps.cpu-migrations
50162 ± 4% +30.8% 65621 ± 8% perf-stat.ps.dTLB-load-misses
1.434e+08 +8.0% 1.549e+08 perf-stat.ps.dTLB-loads
191061 +13.1% 216009 perf-stat.ps.dTLB-store-misses
79737750 +7.0% 85349028 perf-stat.ps.dTLB-stores
394455 ± 4% +20.0% 473256 ± 4% perf-stat.ps.iTLB-load-misses
5.33e+08 +9.5% 5.835e+08 perf-stat.ps.instructions
0.06 ± 9% -21.7% 0.04 ± 8% perf-stat.ps.major-faults
3088 +22.3% 3775 perf-stat.ps.minor-faults
236351 +54.5% 365167 perf-stat.ps.node-load-misses
225011 ± 4% +37.1% 308593 perf-stat.ps.node-loads
5183662 +32.7% 6879838 ± 3% perf-stat.ps.node-store-misses
5224274 +76.7% 9231733 ± 5% perf-stat.ps.node-stores
3088 +22.3% 3775 perf-stat.ps.page-faults
9.703e+11 -38.2% 5.999e+11 ± 2% perf-stat.total.instructions
14.84 ± 13% -12.7 2.15 ± 14% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt
1.37 ± 11% -0.6 0.76 ± 31% perf-profile.calltrace.cycles-pp.evsel__read_counter.read_counters.process_interval.dispatch_events.cmd_stat
0.53 ± 72% +0.5 1.03 ± 18% perf-profile.calltrace.cycles-pp.do_anonymous_page.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault
1.26 ± 18% +0.8 2.11 ± 12% perf-profile.calltrace.cycles-pp.serial8250_console_write.console_flush_all.console_unlock.vprintk_emit._printk
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp.irq_work_run_list.irq_work_run.__sysvec_irq_work.sysvec_irq_work.asm_sysvec_irq_work
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp.irq_work_single.irq_work_run_list.irq_work_run.__sysvec_irq_work.sysvec_irq_work
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp._printk.irq_work_single.irq_work_run_list.irq_work_run.__sysvec_irq_work
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp.vprintk_emit._printk.irq_work_single.irq_work_run_list.irq_work_run
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp.console_unlock.vprintk_emit._printk.irq_work_single.irq_work_run_list
1.26 ± 18% +0.9 2.13 ± 12% perf-profile.calltrace.cycles-pp.console_flush_all.console_unlock.vprintk_emit._printk.irq_work_single
2.10 ±112% +6.0 8.06 ± 77% perf-profile.calltrace.cycles-pp.__libc_start_main
2.10 ±112% +6.0 8.06 ± 77% perf-profile.calltrace.cycles-pp.main.__libc_start_main
2.10 ±112% +6.0 8.06 ± 77% perf-profile.calltrace.cycles-pp.run_builtin.main.__libc_start_main
1.37 ±105% +6.0 7.34 ± 77% perf-profile.calltrace.cycles-pp.record__pushfn.perf_mmap__push.record__mmap_read_evlist.__cmd_record.cmd_record
4.80 ± 11% +9.9 14.67 ± 51% perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
3.42 ± 17% +10.6 13.98 ± 55% perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
3.82 ± 17% +10.6 14.41 ± 54% perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault
4.01 ± 17% +10.6 14.60 ± 53% perf-profile.calltrace.cycles-pp.asm_exc_page_fault
3.78 ± 17% +10.6 14.40 ± 54% perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault
17.34 ± 10% -13.4 3.91 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
1.54 ± 94% -1.3 0.20 ± 52% perf-profile.children.cycles-pp.zero_user_segments
4.02 ± 15% -1.3 2.75 ± 16% perf-profile.children.cycles-pp.exit_to_user_mode_loop
3.52 ± 22% -1.1 2.45 ± 13% perf-profile.children.cycles-pp.get_perf_callchain
3.37 ± 6% -1.0 2.40 ± 12% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
1.16 ± 7% -1.0 0.20 ± 39% perf-profile.children.cycles-pp.rcu_gp_kthread
1.56 ± 15% -0.8 0.71 ± 23% perf-profile.children.cycles-pp.__irq_exit_rcu
2.62 ± 23% -0.8 1.82 ± 8% perf-profile.children.cycles-pp.perf_callchain_kernel
0.92 ± 10% -0.8 0.16 ± 42% perf-profile.children.cycles-pp.rcu_gp_fqs_loop
2.66 ± 17% -0.7 1.94 ± 18% perf-profile.children.cycles-pp.perf_trace_sched_stat_runtime
0.93 ± 11% -0.7 0.24 ± 31% perf-profile.children.cycles-pp.schedule_timeout
1.53 ± 28% -0.7 0.85 ± 19% perf-profile.children.cycles-pp.perf_trace_sched_switch
2.26 ± 24% -0.6 1.62 ± 8% perf-profile.children.cycles-pp.unwind_next_frame
1.38 ± 11% -0.6 0.76 ± 31% perf-profile.children.cycles-pp.evsel__read_counter
1.89 ± 15% -0.6 1.29 ± 16% perf-profile.children.cycles-pp.__do_softirq
0.60 ± 23% -0.5 0.06 ± 74% perf-profile.children.cycles-pp.rebalance_domains
0.69 ± 20% -0.4 0.24 ± 65% perf-profile.children.cycles-pp.load_balance
1.30 ± 8% -0.4 0.88 ± 20% perf-profile.children.cycles-pp.readn
0.96 ± 16% -0.4 0.56 ± 14% perf-profile.children.cycles-pp.task_mm_cid_work
0.44 ± 22% -0.3 0.10 ± 9% perf-profile.children.cycles-pp.__evlist__disable
0.75 ± 8% -0.3 0.47 ± 24% perf-profile.children.cycles-pp.perf_read
0.72 ± 14% -0.2 0.47 ± 40% perf-profile.children.cycles-pp.pick_next_task_fair
0.63 ± 23% -0.2 0.38 ± 33% perf-profile.children.cycles-pp.put_prev_entity
0.52 ± 18% -0.2 0.28 ± 32% perf-profile.children.cycles-pp.asm_sysvec_reschedule_ipi
0.26 ± 16% -0.2 0.07 ± 48% perf-profile.children.cycles-pp.swake_up_one
0.26 ± 22% -0.2 0.08 ± 11% perf-profile.children.cycles-pp.rcu_report_qs_rdp
0.41 ± 26% -0.2 0.24 ± 30% perf-profile.children.cycles-pp.__fdget_pos
0.19 ± 16% -0.2 0.03 ±100% perf-profile.children.cycles-pp.detach_tasks
0.19 ± 52% -0.2 0.03 ±100% perf-profile.children.cycles-pp.ioctl
0.30 ± 20% -0.1 0.15 ± 49% perf-profile.children.cycles-pp.evlist__id2evsel
0.22 ± 16% -0.1 0.13 ± 57% perf-profile.children.cycles-pp.__folio_throttle_swaprate
0.22 ± 19% -0.1 0.13 ± 57% perf-profile.children.cycles-pp.blk_cgroup_congested
0.17 ± 27% -0.1 0.08 ± 22% perf-profile.children.cycles-pp.generic_exec_single
0.18 ± 24% -0.1 0.08 ± 22% perf-profile.children.cycles-pp.smp_call_function_single
0.17 ± 21% -0.1 0.10 ± 32% perf-profile.children.cycles-pp.__perf_read_group_add
0.13 ± 35% -0.1 0.08 ± 66% perf-profile.children.cycles-pp.__kmalloc
0.10 ± 31% -0.0 0.05 ± 74% perf-profile.children.cycles-pp.__perf_event_read
0.02 ±144% +0.1 0.10 ± 28% perf-profile.children.cycles-pp.mntput_no_expire
0.29 ± 19% +0.1 0.40 ± 19% perf-profile.children.cycles-pp.dput
0.05 ±101% +0.1 0.18 ± 40% perf-profile.children.cycles-pp.free_unref_page_prepare
0.04 ±152% +0.2 0.20 ± 22% perf-profile.children.cycles-pp.devkmsg_read
0.86 ± 8% +0.2 1.08 ± 19% perf-profile.children.cycles-pp.step_into
0.35 ± 27% +0.3 0.61 ± 15% perf-profile.children.cycles-pp.run_ksoftirqd
1.46 ± 18% +0.9 2.34 ± 22% perf-profile.children.cycles-pp.wait_for_lsr
1.57 ± 14% +1.0 2.61 ± 18% perf-profile.children.cycles-pp.serial8250_console_write
1.58 ± 14% +1.0 2.63 ± 19% perf-profile.children.cycles-pp.console_unlock
1.58 ± 14% +1.0 2.63 ± 19% perf-profile.children.cycles-pp.console_flush_all
1.58 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.asm_sysvec_irq_work
1.58 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.irq_work_run_list
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.sysvec_irq_work
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.__sysvec_irq_work
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.irq_work_run
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.irq_work_single
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp._printk
1.57 ± 14% +1.1 2.63 ± 19% perf-profile.children.cycles-pp.vprintk_emit
2.17 ± 21% +1.3 3.44 ± 28% perf-profile.children.cycles-pp.io_serial_in
2.24 ±100% +5.8 8.06 ± 77% perf-profile.children.cycles-pp.__libc_start_main
2.24 ±100% +5.8 8.06 ± 77% perf-profile.children.cycles-pp.main
2.24 ±100% +5.8 8.06 ± 77% perf-profile.children.cycles-pp.run_builtin
1.68 ± 86% +6.4 8.06 ± 77% perf-profile.children.cycles-pp.cmd_record
0.51 ± 59% +7.9 8.43 ± 94% perf-profile.children.cycles-pp.copy_page
0.33 ±109% +7.9 8.27 ± 97% perf-profile.children.cycles-pp.folio_copy
0.36 ±101% +7.9 8.30 ± 96% perf-profile.children.cycles-pp.move_to_new_folio
0.36 ±101% +7.9 8.30 ± 96% perf-profile.children.cycles-pp.migrate_folio_extra
0.42 ± 93% +8.8 9.21 ± 88% perf-profile.children.cycles-pp.migrate_pages_batch
0.44 ± 91% +8.8 9.24 ± 88% perf-profile.children.cycles-pp.migrate_misplaced_page
0.42 ± 93% +8.8 9.22 ± 88% perf-profile.children.cycles-pp.migrate_pages
10.36 ± 5% +9.5 19.84 ± 36% perf-profile.children.cycles-pp.asm_exc_page_fault
9.62 ± 5% +9.5 19.12 ± 37% perf-profile.children.cycles-pp.exc_page_fault
7.83 ± 2% +9.6 17.45 ± 42% perf-profile.children.cycles-pp.handle_mm_fault
9.20 ± 6% +9.6 18.84 ± 38% perf-profile.children.cycles-pp.do_user_addr_fault
6.79 ± 2% +9.7 16.49 ± 44% perf-profile.children.cycles-pp.__handle_mm_fault
0.30 ±117% +9.8 10.06 ± 79% perf-profile.children.cycles-pp.do_huge_pmd_numa_page
12.05 ± 12% -11.7 0.31 ± 36% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt
0.93 ± 14% -0.4 0.56 ± 14% perf-profile.self.cycles-pp.task_mm_cid_work
0.78 ± 25% -0.2 0.55 ± 10% perf-profile.self.cycles-pp.unwind_next_frame
0.29 ± 19% -0.1 0.15 ± 50% perf-profile.self.cycles-pp.evlist__id2evsel
0.20 ± 24% -0.1 0.11 ± 49% perf-profile.self.cycles-pp.exc_page_fault
0.20 ± 20% -0.1 0.12 ± 53% perf-profile.self.cycles-pp.blk_cgroup_congested
0.17 ± 14% -0.1 0.12 ± 20% perf-profile.self.cycles-pp.perf_swevent_event
0.02 ±144% +0.1 0.10 ± 28% perf-profile.self.cycles-pp.mntput_no_expire
0.12 ± 29% +0.1 0.23 ± 35% perf-profile.self.cycles-pp.mod_objcg_state
0.04 ±104% +0.1 0.17 ± 36% perf-profile.self.cycles-pp.free_unref_page_prepare
1.40 ± 13% +0.9 2.29 ± 19% perf-profile.self.cycles-pp.io_serial_in
0.50 ± 59% +7.8 8.28 ± 94% perf-profile.self.cycles-pp.copy_page
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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