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Message-ID: <20210905130836.GB15026@xsang-OptiPlex-9020>
Date: Sun, 5 Sep 2021 21:08:36 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: 0day robot <lkp@...el.com>, Shakeel Butt <shakeelb@...gle.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Alexey Dobriyan <adobriyan@...il.com>,
Andrei Vagin <avagin@...il.com>,
Borislav Petkov <bp@...en8.de>, Borislav Petkov <bp@...e.de>,
Christian Brauner <christian.brauner@...ntu.com>,
Dmitry Safonov <0x7f454c46@...il.com>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
"J. Bruce Fields" <bfields@...ldses.org>,
Jeff Layton <jlayton@...nel.org>, Jens Axboe <axboe@...nel.dk>,
Jiri Slaby <jirislaby@...nel.org>,
Johannes Weiner <hannes@...xchg.org>,
Kirill Tkhai <ktkhai@...tuozzo.com>,
Michal Hocko <mhocko@...nel.org>,
Oleg Nesterov <oleg@...hat.com>, Roman Gushchin <guro@...com>,
Serge Hallyn <serge@...lyn.com>, Tejun Heo <tj@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Vladimir Davydov <vdavydov.dev@...il.com>,
Yutian Yang <nglaive@...il.com>,
Zefan Li <lizefan.x@...edance.com>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
ying.huang@...el.com, feng.tang@...el.com,
zhengjun.xing@...ux.intel.com, linux-mm@...ck.org,
mm-commits@...r.kernel.org, torvalds@...ux-foundation.org,
vvs@...tuozzo.com
Subject: [memcg] 059dd9003a: will-it-scale.per_process_ops -39.8% regression
Greeting,
FYI, we noticed a -39.8% regression of will-it-scale.per_process_ops due to commit:
commit: 059dd9003ad894ad7b2e47126cde89a3ec46e630 ("[patch 101/212] memcg: enable accounting for file lock caches")
url: https://github.com/0day-ci/linux/commits/Andrew-Morton/ia64-fix-typo-in-a-comment/20210903-065028
in testcase: will-it-scale
on test machine: 96 threads 2 sockets Ice Lake with 256G memory
with following parameters:
nr_task: 100%
mode: process
test: lock1
cpufreq_governor: performance
ucode: 0xb000280
test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
test-url: https://github.com/antonblanchard/will-it-scale
In addition to that, the commit also has significant impact on the following tests:
+------------------+---------------------------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops -42.9% regression |
| test machine | 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz with 256G memory |
| test parameters | cpufreq_governor=performance |
| | mode=process |
| | nr_task=100% |
| | test=lock1 |
| | ucode=0xd000280 |
+------------------+---------------------------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops -38.0% regression |
| test machine | 104 threads 2 sockets Skylake with 192G memory |
| test parameters | cpufreq_governor=performance |
| | mode=process |
| | nr_task=100% |
| | test=lock1 |
| | ucode=0x2006a0a |
+------------------+---------------------------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops -34.5% regression |
| test machine | 96 threads 2 sockets Ice Lake with 256G memory |
| test parameters | cpufreq_governor=performance |
| | mode=process |
| | nr_task=16 |
| | test=lock1 |
| | ucode=0xb000280 |
+------------------+---------------------------------------------------------------------------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
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
bin/lkp run generated-yaml-file
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/process/100%/debian-10.4-x86_64-20200603.cgz/lkp-icl-2sp1/lock1/will-it-scale/0xb000280
commit:
fa4e6b1ad5 ("memcg: enable accounting for pollfd and select bits arrays")
059dd9003a ("memcg: enable accounting for file lock caches")
fa4e6b1ad57df096 059dd9003ad894ad7b2e47126cd
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.498e+08 -39.8% 90225756 will-it-scale.96.processes
1560769 -39.8% 939851 will-it-scale.per_process_ops
1.498e+08 -39.8% 90225756 will-it-scale.workload
2901 +1.8% 2954 turbostat.Bzy_MHz
11.00 -45.5% 6.00 vmstat.cpu.us
0.01 ± 6% -0.0 0.01 ± 3% mpstat.cpu.all.soft%
11.77 -4.8 6.95 mpstat.cpu.all.usr%
6970 -24.9% 5231 ± 11% slabinfo.Acpi-Parse.active_objs
6970 -24.9% 5231 ± 11% slabinfo.Acpi-Parse.num_objs
74280 +7.7% 80016 proc-vmstat.nr_active_anon
81994 +7.4% 88022 proc-vmstat.nr_shmem
74280 +7.7% 80016 proc-vmstat.nr_zone_active_anon
1250 ± 56% +85.8% 2322 ± 39% interrupts.CPU10.RES:Rescheduling_interrupts
1634 ± 36% -40.5% 972.00 ± 20% interrupts.CPU50.RES:Rescheduling_interrupts
1554 ± 33% -35.5% 1002 ± 25% interrupts.CPU60.RES:Rescheduling_interrupts
591.67 ± 60% +131.4% 1368 ± 36% interrupts.CPU61.CAL:Function_call_interrupts
556.67 ± 18% +134.4% 1305 ± 22% interrupts.CPU71.RES:Rescheduling_interrupts
10513 ± 17% +41.0% 14823 interrupts.CPU8.NMI:Non-maskable_interrupts
10513 ± 17% +41.0% 14823 interrupts.CPU8.PMI:Performance_monitoring_interrupts
11329 ± 20% +30.8% 14814 interrupts.CPU9.NMI:Non-maskable_interrupts
11329 ± 20% +30.8% 14814 interrupts.CPU9.PMI:Performance_monitoring_interrupts
371.67 ± 2% +21.5% 451.67 ± 2% interrupts.IWI:IRQ_work_interrupts
0.01 ± 4% +20.7% 0.01 ± 6% perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork
0.01 +16.7% 0.01 perf-sched.sch_delay.avg.ms.schedule_timeout.rcu_gp_kthread.kthread.ret_from_fork
1195 ± 19% -43.4% 676.69 ± 18% perf-sched.wait_and_delay.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
469.30 ± 6% -19.0% 380.17 ± 17% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
94.52 ± 2% -20.2% 75.46 ± 7% perf-sched.wait_and_delay.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
607.67 ± 13% -66.2% 205.50 ± 9% perf-sched.wait_and_delay.count.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
875.83 ± 5% -49.9% 439.00 ± 10% perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk
1236 ± 10% +84.4% 2281 ± 33% perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
284.67 ± 2% +28.7% 366.50 ± 2% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
3752 ± 18% -43.9% 2103 ± 14% perf-sched.wait_and_delay.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3755 ± 18% -43.9% 2107 ± 14% perf-sched.wait_and_delay.max.ms.pipe_read.new_sync_read.vfs_read.ksys_read
2022 ± 42% -49.7% 1017 ± 3% perf-sched.wait_and_delay.max.ms.preempt_schedule_common.__cond_resched.wait_for_completion.affine_move_task.__set_cpus_allowed_ptr
3385 ± 20% -48.3% 1749 ± 19% perf-sched.wait_and_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
1195 ± 19% -43.4% 676.33 ± 18% perf-sched.wait_time.avg.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3.00 ± 17% -50.6% 1.48 ± 16% perf-sched.wait_time.avg.ms.rcu_gp_kthread.kthread.ret_from_fork
469.23 ± 6% -19.0% 380.15 ± 17% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
94.52 ± 2% -20.2% 75.45 ± 7% perf-sched.wait_time.avg.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
3752 ± 18% -43.9% 2103 ± 14% perf-sched.wait_time.max.ms.devkmsg_read.vfs_read.ksys_read.do_syscall_64
3755 ± 18% -43.9% 2107 ± 14% perf-sched.wait_time.max.ms.pipe_read.new_sync_read.vfs_read.ksys_read
2021 ± 43% -49.7% 1017 ± 3% perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.wait_for_completion.affine_move_task.__set_cpus_allowed_ptr
3383 ± 20% -48.3% 1749 ± 19% perf-sched.wait_time.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
0.02 ± 12% +1472.5% 0.29 ± 2% perf-stat.i.MPKI
5.912e+10 -4.4% 5.649e+10 perf-stat.i.branch-instructions
85960000 -5.0% 81678832 perf-stat.i.branch-misses
12.55 +14.6 27.15 ± 2% perf-stat.i.cache-miss-rate%
569950 ± 4% +3655.7% 21405416 perf-stat.i.cache-misses
4221711 ± 4% +1785.6% 79604401 ± 2% perf-stat.i.cache-references
0.94 +7.8% 1.01 perf-stat.i.cpi
2.759e+11 +1.9% 2.812e+11 perf-stat.i.cpu-cycles
138.11 -5.2% 130.88 perf-stat.i.cpu-migrations
797859 -98.3% 13247 perf-stat.i.cycles-between-cache-misses
118331 ± 11% -26.3% 87177 ± 13% perf-stat.i.dTLB-load-misses
8.647e+10 -2.0% 8.473e+10 perf-stat.i.dTLB-loads
0.00 ± 2% -0.0 0.00 ± 5% perf-stat.i.dTLB-store-miss-rate%
109661 -31.9% 74676 perf-stat.i.dTLB-store-misses
5.475e+10 -9.5% 4.953e+10 perf-stat.i.dTLB-stores
2.947e+11 -5.3% 2.792e+11 perf-stat.i.instructions
1.07 -7.0% 0.99 perf-stat.i.ipc
2.87 +1.9% 2.93 perf-stat.i.metric.GHz
45.11 +2065.8% 976.94 perf-stat.i.metric.K/sec
2086 -4.8% 1987 perf-stat.i.metric.M/sec
88.85 -4.9 83.91 perf-stat.i.node-load-miss-rate%
67988 ± 4% +10628.1% 7293874 ± 3% perf-stat.i.node-load-misses
29378 ± 10% +4671.2% 1401709 ± 10% perf-stat.i.node-loads
32.56 ± 12% +55.7 88.23 perf-stat.i.node-store-miss-rate%
57616 ± 10% +14021.2% 8136104 ± 2% perf-stat.i.node-store-misses
128311 ± 2% +743.3% 1082066 ± 3% perf-stat.i.node-stores
0.01 ± 4% +1873.4% 0.29 ± 2% perf-stat.overall.MPKI
13.50 +13.4 26.90 ± 2% perf-stat.overall.cache-miss-rate%
0.94 +7.6% 1.01 perf-stat.overall.cpi
480654 ± 4% -97.3% 13131 perf-stat.overall.cycles-between-cache-misses
0.00 ± 10% -0.0 0.00 ± 13% perf-stat.overall.dTLB-load-miss-rate%
0.00 -0.0 0.00 perf-stat.overall.dTLB-store-miss-rate%
1.07 -7.0% 0.99 perf-stat.overall.ipc
68.90 ± 4% +15.0 83.91 perf-stat.overall.node-load-miss-rate%
30.88 ± 7% +57.4 88.26 perf-stat.overall.node-store-miss-rate%
593897 +57.1% 933119 perf-stat.overall.path-length
5.892e+10 -4.4% 5.631e+10 perf-stat.ps.branch-instructions
85676218 -5.0% 81415292 perf-stat.ps.branch-misses
573086 ± 4% +3624.0% 21341565 perf-stat.ps.cache-misses
4246570 ± 4% +1769.4% 79385352 ± 2% perf-stat.ps.cache-references
2.75e+11 +1.9% 2.802e+11 perf-stat.ps.cpu-cycles
137.70 -5.3% 130.46 perf-stat.ps.cpu-migrations
119781 ± 10% -24.8% 90043 ± 13% perf-stat.ps.dTLB-load-misses
8.618e+10 -2.0% 8.445e+10 perf-stat.ps.dTLB-loads
109428 -31.8% 74634 perf-stat.ps.dTLB-store-misses
5.457e+10 -9.5% 4.936e+10 perf-stat.ps.dTLB-stores
2.937e+11 -5.3% 2.783e+11 perf-stat.ps.instructions
68059 ± 4% +10582.2% 7270327 ± 3% perf-stat.ps.node-load-misses
30738 ± 10% +4449.2% 1398381 ± 10% perf-stat.ps.node-loads
57570 ± 10% +13987.0% 8110007 ± 2% perf-stat.ps.node-store-misses
128514 ± 2% +739.5% 1078903 ± 3% perf-stat.ps.node-stores
8.899e+13 -5.4% 8.419e+13 perf-stat.total.instructions
18148 ± 6% -51.4% 8827 ± 13% softirqs.CPU0.RCU
18865 ± 13% -52.5% 8967 ± 6% softirqs.CPU1.RCU
16986 ± 8% -50.3% 8436 ± 6% softirqs.CPU10.RCU
16457 ± 7% -51.8% 7927 ± 11% softirqs.CPU11.RCU
16715 ± 8% -51.9% 8032 ± 4% softirqs.CPU12.RCU
16563 ± 5% -50.4% 8213 ± 4% softirqs.CPU13.RCU
16100 ± 10% -48.7% 8254 ± 5% softirqs.CPU14.RCU
17325 ± 13% -53.6% 8047 ± 4% softirqs.CPU15.RCU
14981 ± 6% -46.7% 7990 ± 4% softirqs.CPU16.RCU
15296 ± 8% -47.4% 8049 ± 6% softirqs.CPU17.RCU
15001 ± 5% -45.8% 8131 ± 6% softirqs.CPU18.RCU
16582 ± 18% -51.4% 8055 ± 3% softirqs.CPU19.RCU
16276 ± 5% -48.9% 8318 ± 2% softirqs.CPU2.RCU
15326 ± 9% -48.0% 7965 ± 2% softirqs.CPU20.RCU
16997 ± 17% -51.1% 8316 ± 3% softirqs.CPU21.RCU
15550 ± 8% -50.3% 7734 ± 10% softirqs.CPU24.RCU
14960 ± 9% -51.3% 7285 ± 2% softirqs.CPU25.RCU
14903 ± 7% -52.5% 7085 ± 3% softirqs.CPU26.RCU
14994 ± 9% -51.6% 7252 ± 5% softirqs.CPU27.RCU
14700 ± 9% -51.7% 7094 ± 3% softirqs.CPU28.RCU
14467 ± 9% -52.6% 6858 ± 4% softirqs.CPU29.RCU
16738 ± 4% -49.1% 8515 ± 2% softirqs.CPU3.RCU
14710 ± 9% -52.6% 6967 ± 3% softirqs.CPU30.RCU
14745 ± 8% -52.7% 6973 ± 3% softirqs.CPU31.RCU
15594 ± 7% -50.8% 7675 ± 5% softirqs.CPU32.RCU
15851 ± 8% -52.1% 7593 ± 9% softirqs.CPU33.RCU
15532 ± 10% -51.0% 7610 ± 3% softirqs.CPU34.RCU
16073 ± 7% -51.8% 7741 ± 4% softirqs.CPU35.RCU
16585 ± 9% -54.0% 7636 ± 8% softirqs.CPU36.RCU
16297 ± 7% -50.8% 8017 ± 6% softirqs.CPU37.RCU
15701 ± 7% -52.6% 7448 ± 2% softirqs.CPU38.RCU
16009 ± 8% -51.7% 7740 ± 2% softirqs.CPU39.RCU
16791 ± 4% -50.0% 8403 softirqs.CPU4.RCU
15760 ± 9% -49.7% 7928 ± 5% softirqs.CPU40.RCU
15574 ± 7% -51.0% 7636 ± 7% softirqs.CPU41.RCU
16007 ± 7% -52.4% 7623 ± 2% softirqs.CPU42.RCU
16174 ± 7% -52.5% 7677 ± 2% softirqs.CPU43.RCU
16230 ± 8% -52.6% 7686 ± 3% softirqs.CPU44.RCU
16293 ± 7% -52.3% 7775 ± 4% softirqs.CPU45.RCU
16168 ± 8% -53.1% 7591 softirqs.CPU46.RCU
16864 ± 7% -51.5% 8174 ± 6% softirqs.CPU47.RCU
15260 ± 3% -53.0% 7178 ± 12% softirqs.CPU48.RCU
15617 ± 6% -50.6% 7711 ± 4% softirqs.CPU49.RCU
16409 ± 5% -50.6% 8110 ± 3% softirqs.CPU5.RCU
14664 ± 14% -47.7% 7669 ± 2% softirqs.CPU50.RCU
15632 ± 5% -51.2% 7624 softirqs.CPU51.RCU
15531 ± 6% -49.6% 7827 ± 3% softirqs.CPU52.RCU
15909 ± 6% -51.1% 7776 ± 5% softirqs.CPU53.RCU
15694 ± 6% -51.1% 7680 ± 3% softirqs.CPU54.RCU
15511 ± 5% -50.8% 7633 ± 3% softirqs.CPU55.RCU
16052 ± 11% -52.4% 7639 ± 5% softirqs.CPU56.RCU
15381 ± 5% -50.7% 7579 ± 4% softirqs.CPU57.RCU
14483 ± 14% -49.0% 7385 softirqs.CPU58.RCU
16075 ± 5% -55.4% 7166 ± 18% softirqs.CPU59.RCU
16475 ± 5% -50.9% 8091 softirqs.CPU6.RCU
16172 ± 5% -53.1% 7584 softirqs.CPU60.RCU
16477 ± 6% -52.7% 7787 ± 4% softirqs.CPU61.RCU
15055 ± 17% -48.4% 7771 ± 3% softirqs.CPU62.RCU
16297 ± 6% -52.5% 7740 ± 3% softirqs.CPU63.RCU
14576 ± 8% -46.8% 7751 ± 6% softirqs.CPU64.RCU
14792 ± 6% -48.6% 7605 ± 4% softirqs.CPU65.RCU
14592 ± 7% -42.4% 8404 ± 14% softirqs.CPU66.RCU
15482 ± 17% -50.3% 7691 ± 5% softirqs.CPU68.RCU
14718 ± 7% -46.2% 7924 ± 7% softirqs.CPU69.RCU
16704 ± 5% -48.9% 8533 ± 3% softirqs.CPU7.RCU
14688 ± 6% -45.5% 8004 ± 4% softirqs.CPU70.RCU
15187 ± 10% -53.6% 7039 ± 2% softirqs.CPU72.RCU
15234 ± 9% -52.8% 7187 ± 5% softirqs.CPU73.RCU
14964 ± 8% -52.4% 7129 ± 6% softirqs.CPU74.RCU
15085 ± 9% -55.5% 6706 ± 6% softirqs.CPU75.RCU
15006 ± 9% -54.0% 6905 ± 3% softirqs.CPU76.RCU
14734 ± 10% -52.1% 7061 ± 2% softirqs.CPU77.RCU
15116 ± 9% -54.0% 6954 ± 3% softirqs.CPU78.RCU
15093 ± 9% -53.8% 6979 ± 5% softirqs.CPU79.RCU
16858 ± 5% -50.3% 8383 ± 3% softirqs.CPU8.RCU
15918 ± 6% -53.0% 7474 ± 3% softirqs.CPU80.RCU
16031 ± 6% -54.2% 7346 ± 11% softirqs.CPU81.RCU
15201 ± 15% -50.5% 7523 ± 3% softirqs.CPU82.RCU
16258 ± 7% -52.5% 7717 ± 2% softirqs.CPU83.RCU
16706 ± 8% -55.6% 7414 ± 8% softirqs.CPU84.RCU
16434 ± 8% -53.1% 7706 ± 3% softirqs.CPU85.RCU
15773 ± 7% -52.5% 7489 ± 4% softirqs.CPU86.RCU
16212 ± 7% -51.8% 7807 ± 4% softirqs.CPU87.RCU
15755 ± 10% -51.5% 7637 ± 3% softirqs.CPU88.RCU
15795 ± 7% -52.4% 7525 ± 7% softirqs.CPU89.RCU
16574 ± 7% -46.4% 8886 ± 15% softirqs.CPU9.RCU
16332 ± 8% -52.1% 7830 ± 5% softirqs.CPU90.RCU
16246 ± 6% -52.9% 7654 ± 2% softirqs.CPU91.RCU
16578 ± 8% -52.5% 7876 ± 4% softirqs.CPU92.RCU
16571 ± 8% -52.5% 7868 ± 5% softirqs.CPU93.RCU
16917 ± 10% -53.0% 7955 ± 4% softirqs.CPU94.RCU
17424 ± 7% -52.1% 8337 ± 4% softirqs.CPU95.RCU
1519697 ± 6% -50.6% 750455 softirqs.RCU
8.07 -3.5 4.61 perf-profile.calltrace.cycles-pp.__entry_text_start.__libc_fcntl64
5.66 -2.6 3.08 perf-profile.calltrace.cycles-pp.memset_erms.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
5.49 -2.4 3.08 perf-profile.calltrace.cycles-pp._copy_from_user.do_fcntl.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe
5.12 -2.1 2.98 perf-profile.calltrace.cycles-pp.security_file_lock.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl
3.98 -1.7 2.24 perf-profile.calltrace.cycles-pp.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
3.75 -1.6 2.20 perf-profile.calltrace.cycles-pp.common_file_perm.security_file_lock.do_lock_file_wait.fcntl_setlk.do_fcntl
2.85 -1.3 1.56 ± 2% perf-profile.calltrace.cycles-pp.memset_erms.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
2.16 -0.9 1.22 perf-profile.calltrace.cycles-pp.copy_user_generic_unrolled._copy_from_user.do_fcntl.__x64_sys_fcntl.do_syscall_64
1.69 -0.7 0.96 perf-profile.calltrace.cycles-pp.___might_sleep.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
1.59 -0.7 0.93 perf-profile.calltrace.cycles-pp.__might_sleep.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
1.70 -0.6 1.06 ± 2% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__libc_fcntl64
1.29 -0.6 0.71 ± 2% perf-profile.calltrace.cycles-pp.__might_fault._copy_from_user.do_fcntl.__x64_sys_fcntl.do_syscall_64
1.20 -0.5 0.66 ± 2% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string._copy_from_user.do_fcntl.__x64_sys_fcntl.do_syscall_64
1.11 -0.5 0.60 ± 2% perf-profile.calltrace.cycles-pp.locks_release_private.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
1.11 -0.5 0.60 ± 2% perf-profile.calltrace.cycles-pp.aa_file_perm.common_file_perm.security_file_lock.do_lock_file_wait.fcntl_setlk
1.06 -0.5 0.57 ± 3% perf-profile.calltrace.cycles-pp.flock64_to_posix_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
1.32 ± 2% -0.5 0.83 perf-profile.calltrace.cycles-pp.__fget_light.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
1.08 -0.5 0.60 ± 2% perf-profile.calltrace.cycles-pp.exit_to_user_mode_prepare.syscall_exit_to_user_mode.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
0.61 -0.3 0.34 ± 70% perf-profile.calltrace.cycles-pp.locks_delete_block.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl
0.71 +0.2 0.90 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
98.94 +0.3 99.25 perf-profile.calltrace.cycles-pp.__libc_fcntl64
0.72 +0.4 1.09 ± 9% perf-profile.calltrace.cycles-pp._raw_spin_lock.locks_insert_lock_ctx.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.70 +0.4 1.13 ± 9% perf-profile.calltrace.cycles-pp._raw_spin_lock.locks_unlink_lock_ctx.locks_delete_lock_ctx.posix_lock_inode.do_lock_file_wait
0.00 +0.6 0.59 perf-profile.calltrace.cycles-pp.refill_obj_stock.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
1.48 +0.6 2.08 ± 5% perf-profile.calltrace.cycles-pp._raw_spin_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +0.8 0.76 ± 24% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list
0.00 +0.8 0.80 perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
3.14 +0.8 3.96 ± 4% perf-profile.calltrace.cycles-pp.locks_dispose_list.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +0.8 0.83 perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
0.00 +0.9 0.91 perf-profile.calltrace.cycles-pp.refill_obj_stock.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +1.0 0.96 ± 21% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list.posix_lock_inode
0.00 +1.0 0.98 ± 21% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list.posix_lock_inode.do_lock_file_wait
0.00 +1.3 1.29 ± 2% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
1.81 +1.4 3.18 ± 6% perf-profile.calltrace.cycles-pp.kmem_cache_free.locks_dispose_list.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +1.7 1.69 ± 2% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
0.00 +1.8 1.84 ± 2% perf-profile.calltrace.cycles-pp.get_obj_cgroup_from_current.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
0.00 +2.0 1.96 ± 14% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk
0.00 +2.3 2.31 ± 4% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode
0.00 +2.5 2.51 ± 11% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk.do_fcntl
0.00 +2.5 2.52 ± 3% perf-profile.calltrace.cycles-pp.propagate_protected_usage.page_counter_try_charge.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc
0.00 +2.6 2.56 ± 11% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
0.00 +3.0 2.96 ± 6% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode.do_lock_file_wait
0.00 +3.0 3.02 ± 6% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +3.5 3.49 ± 3% perf-profile.calltrace.cycles-pp.get_obj_cgroup_from_current.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
3.33 +3.5 6.82 ± 3% perf-profile.calltrace.cycles-pp.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
0.00 +3.8 3.75 ± 11% perf-profile.calltrace.cycles-pp.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk
0.00 +4.4 4.38 ± 9% perf-profile.calltrace.cycles-pp.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
5.21 +4.5 9.67 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
8.71 +5.3 14.03 ± 2% perf-profile.calltrace.cycles-pp.locks_alloc_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
86.55 +5.4 91.97 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
7.45 +5.6 13.04 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl
85.00 +6.1 91.07 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
50.49 +6.3 56.80 perf-profile.calltrace.cycles-pp.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
0.00 +6.5 6.46 ± 2% perf-profile.calltrace.cycles-pp.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode
0.00 +7.7 7.69 ± 2% perf-profile.calltrace.cycles-pp.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
19.77 +7.9 27.69 perf-profile.calltrace.cycles-pp.locks_alloc_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
79.14 +8.6 87.73 perf-profile.calltrace.cycles-pp.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
16.98 +8.6 25.60 perf-profile.calltrace.cycles-pp.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk
76.05 +9.9 85.92 perf-profile.calltrace.cycles-pp.do_fcntl.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
41.83 +9.9 51.72 perf-profile.calltrace.cycles-pp.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl
0.00 +10.1 10.08 ± 5% perf-profile.calltrace.cycles-pp.page_counter_try_charge.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock
68.46 +13.2 81.70 perf-profile.calltrace.cycles-pp.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe
8.83 -4.0 4.81 perf-profile.children.cycles-pp.memset_erms
5.85 -2.6 3.28 perf-profile.children.cycles-pp._copy_from_user
5.38 -2.3 3.12 perf-profile.children.cycles-pp.security_file_lock
4.93 -2.1 2.84 perf-profile.children.cycles-pp.__entry_text_start
4.84 -2.0 2.84 perf-profile.children.cycles-pp.syscall_return_via_sysret
4.26 -1.9 2.40 perf-profile.children.cycles-pp.syscall_exit_to_user_mode
4.01 -1.8 2.24 perf-profile.children.cycles-pp.__might_sleep
4.00 -1.7 2.33 perf-profile.children.cycles-pp.common_file_perm
3.88 -1.7 2.22 perf-profile.children.cycles-pp.___might_sleep
2.46 -1.1 1.36 ± 2% perf-profile.children.cycles-pp.locks_release_private
2.37 -1.0 1.36 perf-profile.children.cycles-pp.copy_user_generic_unrolled
2.20 -0.9 1.26 perf-profile.children.cycles-pp.__cond_resched
1.48 -0.7 0.82 ± 2% perf-profile.children.cycles-pp.__might_fault
1.38 -0.6 0.76 perf-profile.children.cycles-pp.aa_file_perm
1.37 -0.6 0.78 ± 2% perf-profile.children.cycles-pp.copy_user_enhanced_fast_string
1.16 -0.5 0.62 ± 3% perf-profile.children.cycles-pp.flock64_to_posix_lock
1.17 -0.5 0.65 ± 2% perf-profile.children.cycles-pp.exit_to_user_mode_prepare
1.40 -0.5 0.88 perf-profile.children.cycles-pp.__fget_light
1.10 -0.5 0.62 perf-profile.children.cycles-pp.rcu_all_qs
0.96 -0.5 0.50 ± 2% perf-profile.children.cycles-pp.__init_waitqueue_head
0.94 -0.4 0.54 perf-profile.children.cycles-pp.syscall_enter_from_user_mode
0.71 ± 2% -0.3 0.37 ± 2% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.74 -0.3 0.40 perf-profile.children.cycles-pp.apparmor_file_lock
0.84 ± 2% -0.3 0.52 ± 8% perf-profile.children.cycles-pp.testcase
0.61 -0.3 0.31 ± 2% perf-profile.children.cycles-pp.__list_del_entry_valid
0.62 -0.3 0.34 ± 2% perf-profile.children.cycles-pp.memset
0.66 -0.3 0.40 ± 3% perf-profile.children.cycles-pp.should_failslab
0.61 -0.3 0.35 ± 2% perf-profile.children.cycles-pp.locks_copy_lock
0.56 -0.3 0.31 perf-profile.children.cycles-pp.locks_get_lock_context
0.48 -0.2 0.26 perf-profile.children.cycles-pp.security_file_fcntl
2.06 -0.2 1.86 ± 5% perf-profile.children.cycles-pp.locks_delete_lock_ctx
0.42 -0.2 0.22 ± 3% perf-profile.children.cycles-pp.__list_add_valid
0.38 -0.2 0.21 ± 3% perf-profile.children.cycles-pp.vfs_lock_file
0.31 ± 2% -0.2 0.16 ± 3% perf-profile.children.cycles-pp.locks_move_blocks
0.32 ± 2% -0.1 0.18 ± 3% perf-profile.children.cycles-pp.locks_copy_conflock
0.71 -0.1 0.56 perf-profile.children.cycles-pp.locks_delete_block
0.34 -0.1 0.23 perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.25 -0.1 0.14 perf-profile.children.cycles-pp.__fdget_raw
0.22 -0.1 0.12 ± 8% perf-profile.children.cycles-pp.fcntl@plt
0.00 +0.1 0.05 perf-profile.children.cycles-pp.new_sync_write
0.00 +0.1 0.05 perf-profile.children.cycles-pp.try_charge_memcg
0.00 +0.1 0.05 perf-profile.children.cycles-pp.generic_file_write_iter
0.00 +0.1 0.05 perf-profile.children.cycles-pp.__generic_file_write_iter
0.00 +0.1 0.05 perf-profile.children.cycles-pp.generic_perform_write
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.refill_stock
0.00 +0.1 0.09 ± 10% perf-profile.children.cycles-pp.get_mem_cgroup_from_objcg
99.04 +0.3 99.30 perf-profile.children.cycles-pp.__libc_fcntl64
0.00 +0.3 0.34 perf-profile.children.cycles-pp.obj_cgroup_uncharge
3.45 +0.7 4.12 ± 4% perf-profile.children.cycles-pp.locks_dispose_list
0.00 +0.8 0.84 ± 15% perf-profile.children.cycles-pp.mem_cgroup_from_task
3.84 +1.5 5.34 ± 7% perf-profile.children.cycles-pp._raw_spin_lock
0.28 ± 2% +1.9 2.16 perf-profile.children.cycles-pp.rcu_read_unlock_strict
0.00 +2.0 1.97 perf-profile.children.cycles-pp.refill_obj_stock
0.00 +3.9 3.94 perf-profile.children.cycles-pp.propagate_protected_usage
0.00 +5.0 5.03 ± 8% perf-profile.children.cycles-pp.page_counter_cancel
0.00 +5.3 5.32 perf-profile.children.cycles-pp.mod_objcg_state
86.79 +5.4 92.16 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
85.64 +5.8 91.48 perf-profile.children.cycles-pp.do_syscall_64
51.02 +6.1 57.10 perf-profile.children.cycles-pp.do_lock_file_wait
0.00 +6.2 6.16 ± 2% perf-profile.children.cycles-pp.get_obj_cgroup_from_current
0.00 +6.4 6.44 ± 4% perf-profile.children.cycles-pp.page_counter_uncharge
0.00 +6.6 6.56 ± 4% perf-profile.children.cycles-pp.obj_cgroup_uncharge_pages
79.60 +8.4 87.99 perf-profile.children.cycles-pp.__x64_sys_fcntl
43.39 +9.2 52.57 perf-profile.children.cycles-pp.posix_lock_inode
76.44 +9.7 86.14 perf-profile.children.cycles-pp.do_fcntl
10.67 +9.8 20.44 perf-profile.children.cycles-pp.kmem_cache_free
0.00 +10.1 10.10 ± 5% perf-profile.children.cycles-pp.page_counter_try_charge
0.00 +10.2 10.23 ± 5% perf-profile.children.cycles-pp.obj_cgroup_charge_pages
0.00 +12.2 12.23 ± 4% perf-profile.children.cycles-pp.obj_cgroup_charge
29.38 +12.8 42.19 perf-profile.children.cycles-pp.locks_alloc_lock
69.21 +12.9 82.11 perf-profile.children.cycles-pp.fcntl_setlk
26.20 +14.3 40.48 perf-profile.children.cycles-pp.kmem_cache_alloc
8.51 -3.9 4.63 perf-profile.self.cycles-pp.memset_erms
5.30 -2.4 2.90 ± 2% perf-profile.self.cycles-pp.posix_lock_inode
5.26 -2.2 3.06 perf-profile.self.cycles-pp.__libc_fcntl64
4.80 -2.0 2.82 perf-profile.self.cycles-pp.syscall_return_via_sysret
3.60 -1.6 2.02 ± 3% perf-profile.self.cycles-pp.fcntl_setlk
3.41 -1.5 1.95 perf-profile.self.cycles-pp.___might_sleep
3.12 -1.4 1.76 perf-profile.self.cycles-pp.__might_sleep
10.28 -1.3 9.02 perf-profile.self.cycles-pp.kmem_cache_free
2.51 -1.2 1.36 ± 3% perf-profile.self.cycles-pp.locks_alloc_lock
2.66 -1.1 1.60 perf-profile.self.cycles-pp.common_file_perm
2.39 -1.0 1.38 perf-profile.self.cycles-pp.syscall_exit_to_user_mode
2.16 -1.0 1.19 ± 2% perf-profile.self.cycles-pp.locks_release_private
2.20 -0.9 1.26 perf-profile.self.cycles-pp.copy_user_generic_unrolled
1.78 -0.7 1.06 ± 2% perf-profile.self.cycles-pp.__entry_text_start
1.56 -0.7 0.85 perf-profile.self.cycles-pp.do_fcntl
1.46 -0.6 0.83 perf-profile.self.cycles-pp.do_lock_file_wait
1.30 -0.6 0.73 perf-profile.self.cycles-pp.__x64_sys_fcntl
1.18 -0.5 0.67 ± 2% perf-profile.self.cycles-pp.copy_user_enhanced_fast_string
1.26 -0.5 0.74 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.12 -0.5 0.62 perf-profile.self.cycles-pp.aa_file_perm
1.06 -0.5 0.57 ± 3% perf-profile.self.cycles-pp.flock64_to_posix_lock
1.31 -0.5 0.82 perf-profile.self.cycles-pp.__fget_light
1.07 -0.5 0.59 ± 2% perf-profile.self.cycles-pp.exit_to_user_mode_prepare
1.08 -0.5 0.62 perf-profile.self.cycles-pp.do_syscall_64
1.10 -0.5 0.64 perf-profile.self.cycles-pp.__cond_resched
0.88 -0.4 0.48 perf-profile.self.cycles-pp._copy_from_user
0.80 -0.4 0.40 ± 2% perf-profile.self.cycles-pp.locks_dispose_list
0.81 -0.3 0.47 perf-profile.self.cycles-pp.syscall_enter_from_user_mode
0.75 -0.3 0.42 perf-profile.self.cycles-pp.rcu_all_qs
0.75 -0.3 0.42 ± 5% perf-profile.self.cycles-pp.security_file_lock
0.68 -0.3 0.36 perf-profile.self.cycles-pp.locks_insert_lock_ctx
0.63 -0.3 0.34 perf-profile.self.cycles-pp.__init_waitqueue_head
0.60 ± 2% -0.3 0.32 ± 3% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.61 -0.3 0.32 ± 2% perf-profile.self.cycles-pp.locks_unlink_lock_ctx
0.74 ± 2% -0.3 0.46 ± 8% perf-profile.self.cycles-pp.testcase
0.57 -0.3 0.32 ± 2% perf-profile.self.cycles-pp.apparmor_file_lock
0.49 -0.2 0.25 perf-profile.self.cycles-pp.__list_del_entry_valid
0.38 ± 2% -0.2 0.20 ± 2% perf-profile.self.cycles-pp.locks_get_lock_context
0.38 -0.2 0.21 ± 2% perf-profile.self.cycles-pp.locks_delete_lock_ctx
0.38 -0.2 0.20 ± 2% perf-profile.self.cycles-pp.security_file_fcntl
0.32 -0.2 0.16 ± 3% perf-profile.self.cycles-pp.__list_add_valid
0.30 -0.1 0.16 ± 2% perf-profile.self.cycles-pp.__might_fault
0.26 -0.1 0.12 ± 4% perf-profile.self.cycles-pp.locks_move_blocks
0.28 -0.1 0.16 ± 4% perf-profile.self.cycles-pp.vfs_lock_file
0.34 -0.1 0.22 ± 3% perf-profile.self.cycles-pp.should_failslab
0.28 -0.1 0.16 ± 3% perf-profile.self.cycles-pp.locks_copy_lock
0.28 -0.1 0.16 ± 3% perf-profile.self.cycles-pp.locks_copy_conflock
0.27 ± 2% -0.1 0.16 ± 4% perf-profile.self.cycles-pp.memset
0.33 ± 2% -0.1 0.22 perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.51 -0.1 0.45 perf-profile.self.cycles-pp.locks_delete_block
0.12 ± 4% -0.1 0.06 ± 14% perf-profile.self.cycles-pp.fcntl@plt
0.09 ± 5% -0.0 0.04 ± 44% perf-profile.self.cycles-pp.__fdget_raw
0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.refill_stock
0.00 +0.1 0.08 ± 8% perf-profile.self.cycles-pp.get_mem_cgroup_from_objcg
0.00 +0.2 0.15 perf-profile.self.cycles-pp.obj_cgroup_uncharge
0.00 +0.7 0.68 ± 18% perf-profile.self.cycles-pp.mem_cgroup_from_task
0.10 ± 3% +0.7 0.83 ± 2% perf-profile.self.cycles-pp.rcu_read_unlock_strict
3.58 +1.6 5.18 ± 7% perf-profile.self.cycles-pp._raw_spin_lock
0.00 +1.8 1.82 perf-profile.self.cycles-pp.refill_obj_stock
0.00 +1.8 1.82 perf-profile.self.cycles-pp.obj_cgroup_charge
0.00 +3.9 3.90 perf-profile.self.cycles-pp.propagate_protected_usage
0.00 +5.0 4.98 ± 2% perf-profile.self.cycles-pp.get_obj_cgroup_from_current
0.00 +5.0 5.00 ± 8% perf-profile.self.cycles-pp.page_counter_cancel
0.00 +5.0 5.00 perf-profile.self.cycles-pp.mod_objcg_state
0.00 +7.5 7.52 ± 6% perf-profile.self.cycles-pp.page_counter_try_charge
3500 +--------------------------------------------------------------------+
| |
| O |
3000 |-+ + |
| + + |
|.++.+.+.++.+.+.++.+.++.+.+.++.+.+.++.+.++.+.+.++ ++.+.+.++.+.+.++.|
2500 |-+ |
| |
2000 |-OO O O OO O O O O O OO O O O OO OO O O O O |
| O O O O O O O O |
| |
1500 |-+ |
| |
| O O |
1000 +--------------------------------------------------------------------+
115 +---------------------------------------------------------------------+
110 |-+ : + + |
| :: : : .+. |
105 |-+ : : : : : : + + |
100 |-+ + : : : : : : + : : |
| +. + : + + : : : : : : :: : + + +. +.|
95 |.+.+ +.+.+ + : + : : :+.+ :+ :.+ : .+ : + + :+ +.+ |
90 |-+ + :: + + + +.+ + +.+ + |
85 |-+ + O |
| |
80 |-+ O O O O |
75 |-+ O O O O O O O O OO O |
| O O O O O O O O O O O O O O O O |
70 |-+ O O O O O |
65 +---------------------------------------------------------------------+
380 +---------------------------------------------------------------------+
| O O O O O O O O O O O O |
360 |-+ O O OO O O O O O O O O O |
340 |-+ O OO O O O |
| |
320 |-+ |
| |
300 |-+ + .+ .+. |
|.+.+ .+.+ .+ +: .+ ++ +.+ + + + .+ ++.+.+.+ |
280 |-+ :.+ + + .++ : ++ : :: : :+ + : + +.|
260 |-+ + + : : : : : : + : .+ : |
| : : : : : : + +: |
240 |-+ :: : : + |
| + + + |
220 +---------------------------------------------------------------------+
3500 +--------------------------------------------------------------------+
| |
| O |
3000 |-+ + |
| + + |
|.++.+.+.++.+.+.++.+.++.+.+.++.+.+.++.+.++.+.+.++ ++.+.+.++.+.+.++.|
2500 |-+ |
| |
2000 |-OO O O OO O O O O O OO O O O OO OO O O O O |
| O O O O O O O O |
| |
1500 |-+ |
| |
| O O |
1000 +--------------------------------------------------------------------+
115 +---------------------------------------------------------------------+
110 |-+ : + + |
| :: : : .+. |
105 |-+ : : : : : : + + |
100 |-+ + : : : : : : + : : |
| +. + : + + : : : : : : :: : + + +. +.|
95 |.+.+ +.+.+ + : + : : :+.+ :+ :.+ : .+ : + + :+ +.+ |
90 |-+ + :: + + + +.+ + +.+ + |
85 |-+ + O |
| |
80 |-+ O O O O |
75 |-+ O O O O O O O O OO O |
| O O O O O O O O O O O O O O O O |
70 |-+ O O O O O |
65 +---------------------------------------------------------------------+
800 +---------------------------------------------------------------------+
| +.|
700 |-+ + : |
600 |-+ :: .+.: |
|.+. : : .+ .+ + |
500 |-+ + .+.+ +.+.+. .+ .+. .+ + +. .+. .+.++ |
| +. .+.++ ++.+.+ +.+ ++ + + ++.+ |
400 |-+ + |
| |
300 |-+ |
200 |-+ O O O O OO O O O O O O O O O O O O |
| O O O O O O O O O O OO O O O O |
100 |-+ |
| |
0 +---------------------------------------------------------------------+
will-it-scale.96.processes
1.6e+08 +-----------------------------------------------------------------+
|.++.+.++.+.++.+.++.++.+.++.+.++.+.++.+.++. .+.++. |
1.5e+08 |-+ +.++ ++.+.++.+.++.|
1.4e+08 |-+ |
| |
1.3e+08 |-+ |
| |
1.2e+08 |-+ |
| |
1.1e+08 |-+ |
1e+08 |-+ |
| |
9e+07 |-OO O OO O OO O OO OO O OO O OO O OO O OO O OO O OO OO O OO O |
| |
8e+07 +-----------------------------------------------------------------+
will-it-scale.per_process_ops
1.7e+06 +-----------------------------------------------------------------+
|.++.+.+ .+.++. |
1.6e+06 |-+ +.+.++.+.++.++ +.++.+.++.+.++.+.++.+.++.++.+.++.+.++.|
| |
1.5e+06 |-+ |
1.4e+06 |-+ |
| |
1.3e+06 |-+ |
| |
1.2e+06 |-+ |
1.1e+06 |-+ |
| |
1e+06 |-+ |
| OO O OO O OO O OO OO O OO O OO O OO O OO O OO O OO OO O OO O |
900000 +-----------------------------------------------------------------+
will-it-scale.workload
1.6e+08 +-----------------------------------------------------------------+
|.++.+.++.+.++.+.++.++.+.++.+.++.+.++.+.++. .+.++. |
1.5e+08 |-+ +.++ ++.+.++.+.++.|
1.4e+08 |-+ |
| |
1.3e+08 |-+ |
| |
1.2e+08 |-+ |
| |
1.1e+08 |-+ |
1e+08 |-+ |
| |
9e+07 |-OO O OO O OO O OO OO O OO O OO O OO O OO O OO O OO OO O OO O |
| |
8e+07 +-----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
***************************************************************************************************
lkp-icl-2sp2: 128 threads 2 sockets Intel(R) Xeon(R) Gold 6338 CPU @ 2.00GHz with 256G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/process/100%/debian-10.4-x86_64-20200603.cgz/lkp-icl-2sp2/lock1/will-it-scale/0xd000280
commit:
fa4e6b1ad5 ("memcg: enable accounting for pollfd and select bits arrays")
059dd9003a ("memcg: enable accounting for file lock caches")
fa4e6b1ad57df096 059dd9003ad894ad7b2e47126cd
---------------- ---------------------------
%stddev %change %stddev
\ | \
1.85e+08 -42.9% 1.056e+08 will-it-scale.128.processes
1445470 -42.9% 825255 will-it-scale.per_process_ops
1.85e+08 -42.9% 1.056e+08 will-it-scale.workload
45587 ± 30% +202.7% 138001 ± 62% numa-meminfo.node1.AnonPages
11399 ± 30% +202.5% 34478 ± 62% numa-vmstat.node1.nr_anon_pages
0.01 ± 10% -0.0 0.01 ± 3% mpstat.cpu.all.soft%
9.40 -4.3 5.08 mpstat.cpu.all.usr%
46636 ± 97% +109.8% 97839 proc-vmstat.nr_active_anon
690907 ± 7% +8.3% 748337 proc-vmstat.nr_file_pages
54066 ± 89% +99.7% 107950 proc-vmstat.nr_shmem
46636 ± 97% +109.8% 97839 proc-vmstat.nr_zone_active_anon
9277 -91.5% 790.83 ± 12% slabinfo.Acpi-Parse.active_objs
126.83 -91.5% 10.83 ± 12% slabinfo.Acpi-Parse.active_slabs
9277 -91.5% 790.83 ± 12% slabinfo.Acpi-Parse.num_objs
126.83 -91.5% 10.83 ± 12% slabinfo.Acpi-Parse.num_slabs
698.17 ± 27% +207.2% 2144 ± 67% interrupts.CPU107.CAL:Function_call_interrupts
715.50 ± 38% +138.9% 1709 ± 48% interrupts.CPU109.CAL:Function_call_interrupts
583.67 ± 38% +60.3% 935.83 ± 13% interrupts.CPU120.CAL:Function_call_interrupts
581.83 ± 40% +85.1% 1076 ± 42% interrupts.CPU122.CAL:Function_call_interrupts
342.83 ± 31% +237.6% 1157 ± 61% interrupts.CPU124.RES:Rescheduling_interrupts
584.50 ± 33% +163.5% 1540 ± 55% interrupts.CPU17.CAL:Function_call_interrupts
547.50 ± 44% +76.9% 968.33 ± 22% interrupts.CPU23.CAL:Function_call_interrupts
442.83 ± 71% +172.9% 1208 ± 26% interrupts.CPU23.RES:Rescheduling_interrupts
776.17 ± 22% +129.5% 1781 ± 33% interrupts.CPU36.RES:Rescheduling_interrupts
772.17 ± 49% +142.5% 1872 ± 49% interrupts.CPU42.RES:Rescheduling_interrupts
612.67 ± 30% +93.1% 1183 ± 46% interrupts.CPU51.CAL:Function_call_interrupts
1017 ± 59% +117.4% 2212 ± 43% interrupts.CPU77.CAL:Function_call_interrupts
678.00 ± 30% +70.5% 1156 ± 51% interrupts.CPU85.CAL:Function_call_interrupts
0.01 ±100% +2194.4% 0.27 ± 2% perf-stat.i.MPKI
0.03 ±100% +0.1 0.08 ± 5% perf-stat.i.branch-miss-rate%
17154527 ±100% +199.5% 51380873 ± 4% perf-stat.i.branch-misses
4.60 ±100% +19.7 24.32 ± 4% perf-stat.i.cache-miss-rate%
250616 ±100% +8128.4% 20621644 ± 2% perf-stat.i.cache-misses
2658612 ±100% +3108.7% 85307043 ± 2% perf-stat.i.cache-references
0.45 ±100% +122.0% 0.99 perf-stat.i.cpi
21.15 ±100% +3655.9% 794.38 perf-stat.i.metric.K/sec
47456 ±100% +16815.1% 8027297 perf-stat.i.node-load-misses
16971 ±100% +8483.1% 1456700 ± 11% perf-stat.i.node-loads
20.86 ±101% +73.7 94.54 perf-stat.i.node-store-miss-rate%
22206 ±101% +33753.7% 7517713 ± 7% perf-stat.i.node-store-misses
36448 ±100% +1060.5% 422977 ± 4% perf-stat.i.node-stores
0.01 ±100% +3411.1% 0.26 ± 2% perf-stat.overall.MPKI
0.02 ±100% +0.1 0.08 ± 4% perf-stat.overall.branch-miss-rate%
4.71 ±100% +19.5 24.19 ± 4% perf-stat.overall.cache-miss-rate%
0.45 ±100% +121.4% 0.99 perf-stat.overall.cpi
35.88 ±100% +48.7 84.63 ± 2% perf-stat.overall.node-load-miss-rate%
18.89 ±101% +75.8 94.64 perf-stat.overall.node-store-miss-rate%
296973 ±100% +214.5% 934077 perf-stat.overall.path-length
17097545 ±100% +199.5% 51211786 ± 4% perf-stat.ps.branch-misses
253875 ±100% +7998.7% 20560626 ± 2% perf-stat.ps.cache-misses
2695172 ±100% +3056.8% 85081638 ± 2% perf-stat.ps.cache-references
47799 ±100% +16638.3% 8000747 perf-stat.ps.node-load-misses
18828 ±100% +7627.2% 1454946 ± 11% perf-stat.ps.node-loads
22114 ±101% +33783.4% 7493201 ± 7% perf-stat.ps.node-store-misses
36368 ±100% +1059.8% 421810 ± 4% perf-stat.ps.node-stores
0.00 ±100% +125.9% 0.01 ± 3% perf-sched.sch_delay.avg.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.00 ± 99% +141.7% 0.01 ± 4% perf-sched.sch_delay.avg.ms.do_nanosleep.hrtimer_nanosleep.__x64_sys_nanosleep.do_syscall_64
0.01 ±100% +153.1% 0.01 ± 5% perf-sched.sch_delay.avg.ms.rcu_gp_kthread.kthread.ret_from_fork
0.00 ±100% +138.1% 0.01 ± 5% perf-sched.sch_delay.avg.ms.schedule_timeout.rcu_gp_kthread.kthread.ret_from_fork
0.01 ±100% +154.8% 0.01 ± 18% perf-sched.sch_delay.max.ms.__x64_sys_pause.do_syscall_64.entry_SYSCALL_64_after_hwframe.[unknown]
0.01 ±100% +161.0% 0.03 ± 16% perf-sched.sch_delay.max.ms.do_wait.kernel_wait4.__do_sys_wait4.do_syscall_64
0.01 ±100% +406.9% 0.07 ±121% perf-sched.sch_delay.max.ms.preempt_schedule_common.__cond_resched.wait_for_completion.affine_move_task.__set_cpus_allowed_ptr
0.01 ±101% +148.9% 0.02 ± 14% perf-sched.sch_delay.max.ms.rcu_gp_kthread.kthread.ret_from_fork
0.18 ±216% +287.3% 0.70 ± 72% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
0.31 ±220% +260.5% 1.13 ± 98% perf-sched.sch_delay.max.ms.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
0.00 ±100% +196.6% 0.01 ± 14% perf-sched.sch_delay.max.ms.schedule_timeout.kcompactd.kthread.ret_from_fork
0.01 ±100% +186.5% 0.02 ± 21% perf-sched.sch_delay.max.ms.schedule_timeout.rcu_gp_kthread.kthread.ret_from_fork
0.03 ±100% +187.4% 0.08 ± 23% perf-sched.wait_and_delay.avg.ms.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
202.00 ±100% +141.4% 487.67 ± 11% perf-sched.wait_and_delay.count.pipe_read.new_sync_read.vfs_read.ksys_read
2034 ±105% +183.2% 5761 ± 13% perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode
594.00 ±104% +303.3% 2395 ± 23% perf-sched.wait_and_delay.count.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
7.50 ±126% +253.3% 26.50 ± 35% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.ep_poll.do_epoll_wait.__x64_sys_epoll_wait
123.00 ±100% +212.3% 384.17 ± 4% perf-sched.wait_and_delay.count.schedule_hrtimeout_range_clock.poll_schedule_timeout.constprop.0.do_sys_poll
944.33 ±100% +129.5% 2167 ± 2% perf-sched.wait_and_delay.count.schedule_timeout.rcu_gp_kthread.kthread.ret_from_fork
8.72 ±104% +323.2% 36.89 ± 41% perf-sched.wait_and_delay.max.ms.preempt_schedule_common.__cond_resched.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode
4.15 ±127% +271.7% 15.44 ± 22% perf-sched.wait_and_delay.max.ms.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.44 ±142% +3436.9% 15.53 ±203% perf-sched.wait_time.avg.ms.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
0.07 ±101% +276.4% 0.27 ± 38% perf-sched.wait_time.avg.ms.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_sysvec_apic_timer_interrupt.[unknown]
3.02 ±152% +13152.1% 399.82 ±127% perf-sched.wait_time.avg.ms.preempt_schedule_common.__cond_resched.__alloc_pages.alloc_pages_vma.shmem_alloc_page
0.03 ±100% +187.4% 0.08 ± 23% perf-sched.wait_time.avg.ms.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 ±223% +609.1% 0.01 ± 27% perf-sched.wait_time.avg.ms.schedule_timeout.wait_for_completion.affine_move_task.__set_cpus_allowed_ptr
3.92 ±142% +4443.1% 177.91 ±209% perf-sched.wait_time.max.ms.exit_to_user_mode_prepare.irqentry_exit_to_user_mode.asm_exc_page_fault.[unknown]
6.36 ±100% +24150.4% 1543 ±132% perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.__alloc_pages.alloc_pages_vma.shmem_alloc_page
8.72 ±104% +323.2% 36.89 ± 41% perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode
4.15 ±127% +271.7% 15.44 ± 22% perf-sched.wait_time.max.ms.preempt_schedule_common.__cond_resched.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 ±223% +618.2% 0.01 ± 26% perf-sched.wait_time.max.ms.schedule_timeout.wait_for_completion.affine_move_task.__set_cpus_allowed_ptr
0.00 +0.6 0.63 ± 8% perf-profile.calltrace.cycles-pp.propagate_protected_usage.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode
0.38 ±100% +0.6 1.01 ± 7% perf-profile.calltrace.cycles-pp._raw_spin_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
0.00 +0.6 0.64 ± 2% perf-profile.calltrace.cycles-pp.refill_obj_stock.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
0.00 +0.7 0.73 ± 23% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list
0.37 ±100% +0.8 1.22 ± 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.locks_unlink_lock_ctx.locks_delete_lock_ctx.posix_lock_inode.do_lock_file_wait
0.00 +0.9 0.86 ± 3% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
0.00 +0.9 0.88 ± 4% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
0.38 ±100% +0.9 1.27 ± 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.locks_insert_lock_ctx.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.77 ±100% +0.9 1.68 ± 7% perf-profile.calltrace.cycles-pp.locks_insert_lock_ctx.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +0.9 0.92 ± 22% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list.posix_lock_inode
0.00 +0.9 0.94 ± 22% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.locks_dispose_list.posix_lock_inode.do_lock_file_wait
0.00 +1.0 0.97 ± 3% perf-profile.calltrace.cycles-pp.refill_obj_stock.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +1.3 1.35 ± 3% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.77 ±100% +1.7 2.43 ± 11% perf-profile.calltrace.cycles-pp._raw_spin_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +1.8 1.79 ± 4% perf-profile.calltrace.cycles-pp.mod_objcg_state.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
0.00 +1.8 1.84 ± 15% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk
0.00 +2.0 1.99 ± 6% perf-profile.calltrace.cycles-pp.get_obj_cgroup_from_current.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
0.93 ±100% +2.3 3.20 ± 5% perf-profile.calltrace.cycles-pp.kmem_cache_free.locks_dispose_list.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +2.3 2.32 ± 14% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk.do_fcntl
0.00 +2.4 2.36 ± 14% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl
1.57 ±100% +2.4 3.94 ± 4% perf-profile.calltrace.cycles-pp.locks_dispose_list.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +2.5 2.45 ± 5% perf-profile.calltrace.cycles-pp.propagate_protected_usage.page_counter_try_charge.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc
0.00 +2.5 2.49 ± 11% perf-profile.calltrace.cycles-pp.page_counter_cancel.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode
0.00 +3.1 3.12 ± 9% perf-profile.calltrace.cycles-pp.page_counter_uncharge.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode.do_lock_file_wait
0.00 +3.2 3.18 ± 9% perf-profile.calltrace.cycles-pp.obj_cgroup_uncharge_pages.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk
0.00 +3.4 3.40 ± 12% perf-profile.calltrace.cycles-pp.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk
0.00 +3.6 3.59 ± 8% perf-profile.calltrace.cycles-pp.get_obj_cgroup_from_current.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
0.00 +4.1 4.06 ± 9% perf-profile.calltrace.cycles-pp.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl
1.67 ±100% +5.1 6.72 ± 4% perf-profile.calltrace.cycles-pp.kmem_cache_free.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
0.00 +6.7 6.70 ± 5% perf-profile.calltrace.cycles-pp.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode
2.61 ±100% +7.3 9.89 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_free.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
0.00 +8.0 8.01 ± 4% perf-profile.calltrace.cycles-pp.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait
4.16 ±100% +9.1 13.22 ± 2% perf-profile.calltrace.cycles-pp.kmem_cache_alloc.locks_alloc_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl
4.88 ±100% +9.4 14.32 perf-profile.calltrace.cycles-pp.locks_alloc_lock.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
0.00 +10.0 9.97 ± 7% perf-profile.calltrace.cycles-pp.page_counter_try_charge.obj_cgroup_charge_pages.obj_cgroup_charge.kmem_cache_alloc.locks_alloc_lock
8.66 ±100% +17.8 26.45 perf-profile.calltrace.cycles-pp.kmem_cache_alloc.locks_alloc_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk
10.13 ±100% +18.6 28.72 perf-profile.calltrace.cycles-pp.locks_alloc_lock.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl
21.41 ±100% +32.3 53.75 perf-profile.calltrace.cycles-pp.posix_lock_inode.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl
25.56 ±100% +32.8 58.38 perf-profile.calltrace.cycles-pp.do_lock_file_wait.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64
35.19 ±100% +48.4 83.61 perf-profile.calltrace.cycles-pp.fcntl_setlk.do_fcntl.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe
39.34 ±100% +48.8 88.10 perf-profile.calltrace.cycles-pp.do_fcntl.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
41.05 ±100% +49.0 90.05 perf-profile.calltrace.cycles-pp.__x64_sys_fcntl.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
43.20 ±100% +49.0 92.24 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
44.04 ±100% +49.1 93.13 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__libc_fcntl64
49.40 ±100% +49.8 99.18 perf-profile.calltrace.cycles-pp.__libc_fcntl64
0.03 ±103% +0.0 0.08 ± 16% perf-profile.children.cycles-pp.record__finish_output
0.03 ±103% +0.0 0.08 ± 16% perf-profile.children.cycles-pp.perf_session__process_events
0.00 +0.1 0.05 perf-profile.children.cycles-pp.try_charge_memcg
0.00 +0.1 0.05 perf-profile.children.cycles-pp.refill_stock
0.00 +0.1 0.08 ± 5% perf-profile.children.cycles-pp.get_mem_cgroup_from_objcg
0.08 ±100% +0.1 0.18 ± 2% perf-profile.children.cycles-pp.perf_callchain_kernel
0.11 ±100% +0.1 0.24 perf-profile.children.cycles-pp.perf_callchain
0.11 ±100% +0.1 0.24 perf-profile.children.cycles-pp.get_perf_callchain
0.12 ±100% +0.1 0.25 perf-profile.children.cycles-pp.perf_prepare_sample
0.13 ±100% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.perf_swevent_overflow
0.13 ±100% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.perf_trace_sched_stat_runtime
0.13 ±100% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.__perf_event_overflow
0.13 ±100% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.perf_event_output_forward
0.13 ±100% +0.1 0.28 ± 3% perf-profile.children.cycles-pp.perf_tp_event
0.14 ±100% +0.1 0.28 ± 2% perf-profile.children.cycles-pp.update_curr
0.16 ±100% +0.2 0.32 ± 2% perf-profile.children.cycles-pp.task_tick_fair
0.00 +0.4 0.38 ± 3% perf-profile.children.cycles-pp.obj_cgroup_uncharge
0.00 +0.9 0.88 ± 17% perf-profile.children.cycles-pp.mem_cgroup_from_task
0.00 +2.1 2.14 ± 2% perf-profile.children.cycles-pp.refill_obj_stock
0.16 ±100% +2.3 2.43 ± 5% perf-profile.children.cycles-pp.rcu_read_unlock_strict
1.72 ±100% +2.4 4.10 ± 3% perf-profile.children.cycles-pp.locks_dispose_list
0.00 +3.8 3.76 ± 4% perf-profile.children.cycles-pp.propagate_protected_usage
2.02 ±100% +4.0 6.06 ± 10% perf-profile.children.cycles-pp._raw_spin_lock
0.00 +5.1 5.07 ± 11% perf-profile.children.cycles-pp.page_counter_cancel
0.00 +5.7 5.66 ± 3% perf-profile.children.cycles-pp.mod_objcg_state
0.00 +6.4 6.38 ± 9% perf-profile.children.cycles-pp.page_counter_uncharge
0.00 +6.5 6.49 ± 9% perf-profile.children.cycles-pp.obj_cgroup_uncharge_pages
0.00 +6.5 6.51 ± 6% perf-profile.children.cycles-pp.get_obj_cgroup_from_current
0.00 +10.0 9.99 ± 7% perf-profile.children.cycles-pp.page_counter_try_charge
0.00 +10.1 10.12 ± 7% perf-profile.children.cycles-pp.obj_cgroup_charge_pages
0.00 +12.2 12.24 ± 5% perf-profile.children.cycles-pp.obj_cgroup_charge
5.37 ±100% +15.3 20.69 perf-profile.children.cycles-pp.kmem_cache_free
13.81 ±100% +27.9 41.71 perf-profile.children.cycles-pp.kmem_cache_alloc
15.49 ±100% +28.1 43.55 perf-profile.children.cycles-pp.locks_alloc_lock
22.23 ±100% +32.4 54.63 perf-profile.children.cycles-pp.posix_lock_inode
25.86 ±100% +32.9 58.71 perf-profile.children.cycles-pp.do_lock_file_wait
35.60 ±100% +48.5 84.06 perf-profile.children.cycles-pp.fcntl_setlk
39.56 ±100% +48.8 88.34 perf-profile.children.cycles-pp.do_fcntl
41.31 ±100% +49.0 90.33 perf-profile.children.cycles-pp.__x64_sys_fcntl
43.55 ±100% +49.1 92.66 perf-profile.children.cycles-pp.do_syscall_64
44.15 ±100% +49.2 93.30 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
49.51 ±100% +49.8 99.30 perf-profile.children.cycles-pp.__libc_fcntl64
0.00 +0.1 0.07 ± 8% perf-profile.self.cycles-pp.get_mem_cgroup_from_objcg
0.00 +0.2 0.17 ± 3% perf-profile.self.cycles-pp.obj_cgroup_uncharge
0.00 +0.7 0.70 ± 22% perf-profile.self.cycles-pp.mem_cgroup_from_task
0.06 ±100% +0.9 0.92 ± 2% perf-profile.self.cycles-pp.rcu_read_unlock_strict
0.00 +1.9 1.93 ± 4% perf-profile.self.cycles-pp.obj_cgroup_charge
0.00 +2.0 1.95 ± 2% perf-profile.self.cycles-pp.refill_obj_stock
0.00 +3.7 3.72 ± 4% perf-profile.self.cycles-pp.propagate_protected_usage
1.87 ±100% +4.0 5.88 ± 10% perf-profile.self.cycles-pp._raw_spin_lock
0.00 +5.0 5.03 ± 11% perf-profile.self.cycles-pp.page_counter_cancel
0.00 +5.3 5.27 ± 5% perf-profile.self.cycles-pp.get_obj_cgroup_from_current
0.00 +5.3 5.29 ± 3% perf-profile.self.cycles-pp.mod_objcg_state
0.00 +7.5 7.49 ± 8% perf-profile.self.cycles-pp.page_counter_try_charge
12800 ± 6% -31.2% 8812 ± 3% softirqs.CPU0.RCU
13416 ± 4% -32.4% 9075 ± 11% softirqs.CPU10.RCU
13811 ± 2% -37.9% 8574 softirqs.CPU100.RCU
13975 ± 2% -39.6% 8438 ± 9% softirqs.CPU101.RCU
13859 ± 3% -37.7% 8638 ± 3% softirqs.CPU102.RCU
13851 ± 5% -37.3% 8688 ± 4% softirqs.CPU103.RCU
13956 ± 2% -41.3% 8189 ± 12% softirqs.CPU104.RCU
13191 ± 11% -33.6% 8753 ± 3% softirqs.CPU105.RCU
13684 ± 2% -38.1% 8474 ± 2% softirqs.CPU106.RCU
13755 ± 2% -38.9% 8410 ± 2% softirqs.CPU107.RCU
13945 ± 2% -38.6% 8566 ± 2% softirqs.CPU108.RCU
13983 ± 2% -39.5% 8465 ± 2% softirqs.CPU109.RCU
13072 ± 6% -41.8% 7612 ± 21% softirqs.CPU11.RCU
13711 ± 2% -38.6% 8423 ± 3% softirqs.CPU110.RCU
13809 ± 3% -38.9% 8436 softirqs.CPU111.RCU
12448 -35.2% 8064 ± 3% softirqs.CPU112.RCU
12530 -37.4% 7847 ± 2% softirqs.CPU113.RCU
12226 ± 2% -36.7% 7744 ± 2% softirqs.CPU114.RCU
12396 -37.0% 7815 ± 2% softirqs.CPU115.RCU
12556 ± 4% -34.3% 8245 ± 5% softirqs.CPU116.RCU
12336 -37.5% 7706 ± 2% softirqs.CPU117.RCU
12324 ± 2% -36.4% 7839 ± 3% softirqs.CPU118.RCU
12385 ± 2% -36.7% 7842 ± 2% softirqs.CPU119.RCU
14037 ± 18% -40.1% 8411 ± 4% softirqs.CPU12.RCU
12469 ± 3% -37.5% 7797 ± 4% softirqs.CPU120.RCU
12579 ± 2% -36.8% 7953 ± 2% softirqs.CPU121.RCU
12248 -36.7% 7755 ± 5% softirqs.CPU122.RCU
12406 -37.4% 7765 ± 2% softirqs.CPU123.RCU
12318 ± 4% -36.3% 7852 ± 3% softirqs.CPU124.RCU
12302 -34.1% 8103 ± 7% softirqs.CPU125.RCU
12446 -36.6% 7895 ± 4% softirqs.CPU126.RCU
12710 ± 4% -34.0% 8385 ± 2% softirqs.CPU127.RCU
13037 ± 6% -35.7% 8387 ± 5% softirqs.CPU13.RCU
12279 ± 11% -31.4% 8421 ± 5% softirqs.CPU15.RCU
13662 ± 18% -38.0% 8468 ± 4% softirqs.CPU16.RCU
12807 ± 3% -35.1% 8309 ± 3% softirqs.CPU17.RCU
12922 ± 4% -35.9% 8281 ± 4% softirqs.CPU18.RCU
12688 ± 3% -31.6% 8673 ± 9% softirqs.CPU19.RCU
13269 ± 7% -33.7% 8801 ± 5% softirqs.CPU2.RCU
12736 ± 4% -27.8% 9198 ± 14% softirqs.CPU20.RCU
12599 ± 3% -33.7% 8351 ± 2% softirqs.CPU21.RCU
12971 ± 5% -34.8% 8457 ± 4% softirqs.CPU22.RCU
12929 ± 5% -28.3% 9272 ± 13% softirqs.CPU23.RCU
12656 ± 3% -33.1% 8463 ± 6% softirqs.CPU24.RCU
12381 ± 3% -31.7% 8454 ± 3% softirqs.CPU25.RCU
13212 ± 12% -36.9% 8334 ± 5% softirqs.CPU26.RCU
12859 ± 8% -35.7% 8273 ± 4% softirqs.CPU27.RCU
12672 ± 4% -33.4% 8436 ± 3% softirqs.CPU28.RCU
12821 ± 5% -35.8% 8225 ± 2% softirqs.CPU29.RCU
12638 ± 2% -34.5% 8277 ± 4% softirqs.CPU30.RCU
13077 ± 4% -35.5% 8432 ± 2% softirqs.CPU31.RCU
13497 ± 2% -35.6% 8695 ± 4% softirqs.CPU32.RCU
13436 -36.3% 8552 ± 2% softirqs.CPU33.RCU
13252 -36.9% 8361 softirqs.CPU34.RCU
13247 ± 2% -36.2% 8447 ± 2% softirqs.CPU35.RCU
13313 ± 3% -35.8% 8541 ± 2% softirqs.CPU36.RCU
13274 ± 2% -38.9% 8104 ± 9% softirqs.CPU37.RCU
13294 -36.9% 8392 ± 2% softirqs.CPU38.RCU
13965 ± 11% -38.1% 8645 ± 4% softirqs.CPU39.RCU
13455 ± 7% -33.1% 9005 ± 4% softirqs.CPU4.RCU
13260 ± 2% -37.2% 8330 ± 3% softirqs.CPU40.RCU
13098 ± 7% -35.6% 8437 ± 2% softirqs.CPU41.RCU
13357 ± 2% -37.2% 8394 softirqs.CPU42.RCU
13271 -37.0% 8354 ± 2% softirqs.CPU43.RCU
13378 ± 4% -37.3% 8393 ± 2% softirqs.CPU44.RCU
13385 ± 3% -37.2% 8406 ± 2% softirqs.CPU45.RCU
13321 ± 2% -30.3% 9283 ± 18% softirqs.CPU46.RCU
13325 ± 2% -33.4% 8870 ± 7% softirqs.CPU47.RCU
12571 -34.7% 8207 ± 5% softirqs.CPU48.RCU
12660 -36.8% 7998 ± 2% softirqs.CPU49.RCU
13419 ± 5% -32.1% 9115 ± 13% softirqs.CPU5.RCU
12295 ± 2% -34.4% 8071 ± 4% softirqs.CPU50.RCU
12623 ± 2% -37.0% 7948 ± 2% softirqs.CPU51.RCU
12544 -33.2% 8376 ± 4% softirqs.CPU52.RCU
12436 ± 3% -35.2% 8053 ± 5% softirqs.CPU53.RCU
12518 -35.5% 8073 ± 4% softirqs.CPU54.RCU
12414 ± 2% -34.9% 8085 ± 7% softirqs.CPU55.RCU
12657 ± 4% -36.5% 8036 ± 3% softirqs.CPU56.RCU
12582 -36.3% 8014 softirqs.CPU57.RCU
12316 -34.9% 8023 ± 4% softirqs.CPU58.RCU
12452 -34.3% 8186 ± 3% softirqs.CPU59.RCU
13498 ± 8% -36.3% 8594 ± 5% softirqs.CPU6.RCU
12411 ± 2% -35.0% 8063 ± 2% softirqs.CPU60.RCU
12462 -36.3% 7940 softirqs.CPU61.RCU
12660 ± 3% -36.8% 8005 ± 4% softirqs.CPU62.RCU
12779 ± 2% -35.0% 8307 ± 4% softirqs.CPU63.RCU
12543 ± 7% -26.2% 9253 ± 14% softirqs.CPU64.RCU
12829 ± 5% -30.3% 8937 ± 3% softirqs.CPU66.RCU
13484 ± 3% -31.9% 9182 ± 4% softirqs.CPU68.RCU
13068 ± 2% -33.1% 8746 ± 4% softirqs.CPU69.RCU
13209 ± 4% -38.0% 8192 ± 13% softirqs.CPU7.RCU
13112 ± 2% -33.3% 8741 ± 4% softirqs.CPU70.RCU
12940 -38.1% 8015 ± 11% softirqs.CPU71.RCU
13004 ± 2% -35.3% 8410 ± 4% softirqs.CPU72.RCU
13365 ± 2% -35.5% 8623 ± 16% softirqs.CPU73.RCU
13249 ± 3% -32.4% 8960 ± 9% softirqs.CPU74.RCU
12927 ± 3% -39.8% 7783 ± 13% softirqs.CPU75.RCU
12927 ± 3% -33.4% 8614 ± 4% softirqs.CPU76.RCU
13333 ± 2% -36.9% 8418 ± 3% softirqs.CPU77.RCU
12430 ± 10% -27.9% 8960 ± 7% softirqs.CPU79.RCU
12965 ± 6% -35.3% 8393 ± 5% softirqs.CPU8.RCU
13350 ± 6% -38.4% 8226 ± 2% softirqs.CPU80.RCU
12678 ± 3% -31.3% 8714 ± 4% softirqs.CPU81.RCU
13051 ± 4% -33.9% 8625 ± 3% softirqs.CPU82.RCU
12733 ± 6% -33.5% 8465 ± 6% softirqs.CPU83.RCU
12958 ± 5% -31.0% 8940 ± 11% softirqs.CPU84.RCU
13007 ± 4% -33.1% 8696 ± 6% softirqs.CPU85.RCU
12716 ± 2% -32.9% 8530 ± 7% softirqs.CPU86.RCU
13032 ± 3% -35.7% 8374 ± 5% softirqs.CPU87.RCU
12770 ± 4% -34.5% 8359 ± 4% softirqs.CPU88.RCU
12612 ± 4% -33.0% 8453 ± 3% softirqs.CPU89.RCU
13368 ± 8% -34.1% 8810 ± 20% softirqs.CPU9.RCU
13062 ± 4% -37.5% 8158 ± 4% softirqs.CPU90.RCU
13360 ± 11% -36.8% 8438 ± 2% softirqs.CPU91.RCU
12526 ± 3% -32.4% 8462 ± 4% softirqs.CPU92.RCU
13170 ± 5% -37.4% 8245 ± 3% softirqs.CPU93.RCU
12706 ± 6% -33.5% 8454 ± 3% softirqs.CPU94.RCU
12706 ± 3% -31.6% 8695 ± 4% softirqs.CPU95.RCU
14269 ± 3% -36.9% 8999 ± 2% softirqs.CPU96.RCU
14113 ± 2% -37.1% 8882 ± 2% softirqs.CPU97.RCU
13982 -36.7% 8853 ± 2% softirqs.CPU98.RCU
13875 ± 3% -37.1% 8725 ± 3% softirqs.CPU99.RCU
1662582 -35.0% 1080630 softirqs.RCU
***************************************************************************************************
lkp-skl-fpga01: 104 threads 2 sockets Skylake with 192G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/process/100%/debian-10.4-x86_64-20200603.cgz/lkp-skl-fpga01/lock1/will-it-scale/0x2006a0a
commit:
fa4e6b1ad5 ("memcg: enable accounting for pollfd and select bits arrays")
059dd9003a ("memcg: enable accounting for file lock caches")
fa4e6b1ad57df096 059dd9003ad894ad7b2e47126cd
---------------- ---------------------------
%stddev %change %stddev
\ | \
77280953 -38.0% 47885066 will-it-scale.104.processes
743085 -38.0% 460433 will-it-scale.per_process_ops
77280953 -38.0% 47885066 will-it-scale.workload
0.01 ± 2% -0.0 0.01 ± 2% mpstat.cpu.all.soft%
30.18 -5.9 24.24 mpstat.cpu.all.usr%
7524 -92.9% 535.33 ± 6% slabinfo.Acpi-Parse.active_objs
7524 -92.9% 535.33 ± 6% slabinfo.Acpi-Parse.num_objs
29.00 -17.2% 24.00 vmstat.cpu.us
2014 +6.7% 2149 vmstat.system.cs
2720 +1.4% 2757 turbostat.Bzy_MHz
0.67 -13.4% 0.58 ± 3% turbostat.CPU%c1
196.34 -30.0 166.35 ± 2% turbostat.PKG_%
103.96 +4.3% 108.48 turbostat.RAMWatt
372.50 ± 17% +94.2% 723.50 ± 67% interrupts.CPU0.CAL:Function_call_interrupts
330.17 ± 12% +237.5% 1114 ± 61% interrupts.CPU4.CAL:Function_call_interrupts
987.33 ± 59% +77.2% 1750 ± 24% interrupts.CPU55.RES:Rescheduling_interrupts
360.83 ± 9% +174.1% 989.00 ± 84% interrupts.CPU67.CAL:Function_call_interrupts
383.67 ± 7% +180.8% 1077 ± 68% interrupts.CPU82.CAL:Function_call_interrupts
569.00 ± 63% +194.6% 1676 ± 67% interrupts.CPU89.CAL:Function_call_interrupts
623.33 ± 70% +108.1% 1297 ± 32% interrupts.CPU91.RES:Rescheduling_interrupts
16642 ± 11% -40.5% 9902 ± 2% softirqs.CPU0.RCU
16302 ± 4% -45.3% 8920 ± 7% softirqs.CPU1.RCU
15642 ± 2% -39.3% 9494 ± 13% softirqs.CPU10.RCU
14815 ± 4% -44.3% 8257 ± 4% softirqs.CPU100.RCU
14861 ± 4% -42.3% 8574 ± 6% softirqs.CPU101.RCU
14624 ± 5% -43.2% 8304 ± 5% softirqs.CPU102.RCU
14689 ± 6% -41.9% 8538 ± 8% softirqs.CPU103.RCU
15639 ± 3% -35.7% 10057 ± 24% softirqs.CPU11.RCU
15856 ± 3% -47.4% 8335 ± 3% softirqs.CPU12.RCU
15876 ± 4% -47.1% 8395 ± 4% softirqs.CPU13.RCU
15756 ± 4% -47.3% 8311 ± 3% softirqs.CPU14.RCU
16862 ± 5% -44.0% 9450 ± 7% softirqs.CPU15.RCU
17162 ± 3% -47.5% 9015 ± 3% softirqs.CPU16.RCU
17351 ± 6% -47.1% 9182 ± 3% softirqs.CPU17.RCU
17546 ± 4% -46.6% 9375 ± 4% softirqs.CPU18.RCU
17416 ± 6% -47.4% 9167 ± 2% softirqs.CPU19.RCU
15233 ± 9% -43.7% 8576 ± 3% softirqs.CPU2.RCU
17719 ± 14% -48.8% 9067 ± 6% softirqs.CPU20.RCU
16953 ± 2% -44.1% 9469 ± 8% softirqs.CPU21.RCU
17378 ± 7% -47.9% 9052 ± 2% softirqs.CPU22.RCU
17142 ± 6% -47.4% 9020 ± 3% softirqs.CPU23.RCU
17545 ± 5% -50.7% 8642 ± 12% softirqs.CPU24.RCU
17300 ± 4% -45.7% 9389 ± 7% softirqs.CPU25.RCU
14672 ± 4% -42.0% 8507 ± 9% softirqs.CPU26.RCU
15253 ± 3% -41.3% 8954 ± 6% softirqs.CPU27.RCU
14806 ± 4% -43.3% 8398 ± 7% softirqs.CPU28.RCU
13654 ± 13% -33.2% 9118 ± 21% softirqs.CPU29.RCU
16430 ± 3% -46.1% 8853 ± 8% softirqs.CPU3.RCU
14992 ± 5% -40.5% 8921 ± 7% softirqs.CPU30.RCU
15179 ± 5% -39.6% 9167 ± 9% softirqs.CPU31.RCU
15216 ± 5% -38.6% 9336 ± 7% softirqs.CPU32.RCU
14965 ± 5% -39.4% 9067 ± 8% softirqs.CPU33.RCU
15161 ± 5% -42.2% 8768 ± 5% softirqs.CPU34.RCU
15097 ± 5% -42.8% 8635 ± 4% softirqs.CPU35.RCU
15122 ± 6% -42.9% 8634 ± 4% softirqs.CPU36.RCU
15193 ± 5% -44.5% 8426 ± 11% softirqs.CPU37.RCU
15082 ± 5% -42.7% 8649 ± 5% softirqs.CPU38.RCU
15220 ± 6% -42.7% 8717 ± 7% softirqs.CPU39.RCU
16040 ± 4% -46.5% 8585 ± 5% softirqs.CPU4.RCU
14629 ± 8% -39.7% 8828 ± 6% softirqs.CPU40.RCU
14559 ± 7% -40.7% 8634 ± 5% softirqs.CPU41.RCU
14919 ± 5% -42.8% 8527 ± 5% softirqs.CPU42.RCU
15085 ± 5% -40.1% 9034 ± 9% softirqs.CPU43.RCU
15018 ± 6% -44.4% 8355 ± 8% softirqs.CPU44.RCU
15649 ± 2% -45.6% 8520 ± 3% softirqs.CPU45.RCU
15775 ± 2% -44.1% 8820 ± 7% softirqs.CPU46.RCU
15614 ± 2% -43.5% 8826 ± 5% softirqs.CPU47.RCU
15783 ± 2% -45.0% 8673 ± 8% softirqs.CPU48.RCU
15499 ± 3% -44.6% 8591 ± 8% softirqs.CPU49.RCU
16032 ± 3% -45.5% 8739 ± 6% softirqs.CPU5.RCU
15372 ± 3% -45.5% 8382 ± 3% softirqs.CPU50.RCU
15523 ± 4% -44.7% 8577 ± 3% softirqs.CPU51.RCU
16918 ± 7% -45.1% 9283 ± 4% softirqs.CPU52.RCU
16956 ± 14% -50.4% 8405 ± 17% softirqs.CPU53.RCU
17276 ± 5% -45.7% 9376 ± 3% softirqs.CPU54.RCU
17339 ± 4% -45.1% 9510 ± 6% softirqs.CPU55.RCU
17509 ± 4% -47.3% 9224 ± 2% softirqs.CPU56.RCU
17348 ± 5% -46.5% 9289 ± 4% softirqs.CPU57.RCU
17142 ± 3% -45.8% 9292 ± 6% softirqs.CPU58.RCU
17700 ± 5% -46.1% 9532 ± 5% softirqs.CPU59.RCU
15856 ± 3% -45.7% 8615 ± 4% softirqs.CPU6.RCU
16017 ± 3% -44.6% 8870 ± 6% softirqs.CPU60.RCU
16498 ± 4% -46.8% 8784 ± 4% softirqs.CPU61.RCU
16190 ± 4% -42.4% 9328 ± 16% softirqs.CPU62.RCU
16491 -45.8% 8935 ± 4% softirqs.CPU63.RCU
16504 ± 3% -45.0% 9080 ± 6% softirqs.CPU64.RCU
16232 ± 5% -47.3% 8562 ± 4% softirqs.CPU65.RCU
15822 ± 2% -44.8% 8726 ± 4% softirqs.CPU66.RCU
16801 ± 5% -48.4% 8662 ± 4% softirqs.CPU67.RCU
16812 ± 4% -47.6% 8812 ± 5% softirqs.CPU68.RCU
16720 ± 3% -46.0% 9031 ± 4% softirqs.CPU69.RCU
15795 ± 5% -47.1% 8359 ± 4% softirqs.CPU7.RCU
16875 ± 4% -46.5% 9025 ± 3% softirqs.CPU70.RCU
16876 ± 2% -46.8% 8977 ± 4% softirqs.CPU71.RCU
16864 ± 3% -45.9% 9122 ± 7% softirqs.CPU72.RCU
16398 ± 3% -45.1% 8996 ± 7% softirqs.CPU73.RCU
16418 ± 2% -43.9% 9211 ± 7% softirqs.CPU74.RCU
15707 ± 7% -45.4% 8570 ± 7% softirqs.CPU75.RCU
15498 ± 5% -45.9% 8391 ± 6% softirqs.CPU76.RCU
15363 ± 7% -46.7% 8192 ± 5% softirqs.CPU77.RCU
16108 ± 5% -43.0% 9176 ± 4% softirqs.CPU78.RCU
16078 ± 5% -42.4% 9268 ± 4% softirqs.CPU79.RCU
15729 ± 3% -47.2% 8305 ± 4% softirqs.CPU8.RCU
16445 ± 5% -42.7% 9427 ± 5% softirqs.CPU80.RCU
16028 ± 9% -42.4% 9235 ± 5% softirqs.CPU81.RCU
16194 ± 6% -42.8% 9257 ± 4% softirqs.CPU82.RCU
15968 ± 5% -42.0% 9261 ± 6% softirqs.CPU83.RCU
16105 ± 5% -37.5% 10071 ± 16% softirqs.CPU84.RCU
15917 ± 6% -41.5% 9310 ± 4% softirqs.CPU85.RCU
15961 ± 5% -41.5% 9333 ± 5% softirqs.CPU86.RCU
15897 ± 5% -42.7% 9110 ± 5% softirqs.CPU87.RCU
16110 ± 7% -42.7% 9225 ± 4% softirqs.CPU88.RCU
15825 ± 5% -42.4% 9112 ± 4% softirqs.CPU89.RCU
15663 ± 5% -46.6% 8360 ± 2% softirqs.CPU9.RCU
14789 ± 5% -41.2% 8697 ± 5% softirqs.CPU90.RCU
14887 ± 4% -39.1% 9060 ± 9% softirqs.CPU91.RCU
14299 ± 12% -40.4% 8521 ± 6% softirqs.CPU92.RCU
14215 ± 11% -40.1% 8511 ± 6% softirqs.CPU93.RCU
14813 ± 4% -42.5% 8524 ± 4% softirqs.CPU94.RCU
14963 ± 5% -44.6% 8282 ± 4% softirqs.CPU95.RCU
14744 ± 5% -45.7% 8002 ± 12% softirqs.CPU96.RCU
14968 ± 5% -43.3% 8485 ± 7% softirqs.CPU97.RCU
15030 ± 4% -43.2% 8530 ± 8% softirqs.CPU98.RCU
15961 ± 12% -46.6% 8526 ± 3% softirqs.CPU99.RCU
1654543 ± 3% -44.2% 923546 ± 3% softirqs.RCU
42461 ± 2% +33.1% 56527 ± 3% softirqs.TIMER
***************************************************************************************************
lkp-icl-2sp1: 96 threads 2 sockets Ice Lake with 256G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/process/16/debian-10.4-x86_64-20200603.cgz/lkp-icl-2sp1/lock1/will-it-scale/0xb000280
commit:
fa4e6b1ad5 ("memcg: enable accounting for pollfd and select bits arrays")
059dd9003a ("memcg: enable accounting for file lock caches")
fa4e6b1ad57df096 059dd9003ad894ad7b2e47126cd
---------------- ---------------------------
%stddev %change %stddev
\ | \
51162267 -34.5% 33497392 ± 5% will-it-scale.16.processes
3197641 -34.5% 2093586 ± 5% will-it-scale.per_process_ops
51162267 -34.5% 33497392 ± 5% will-it-scale.workload
1223202 ± 4% +29.1% 1578754 ± 6% cpuidle..usage
1089773 ± 2% +35.5% 1476283 ± 7% turbostat.C6
19528 +6.4% 20781 vmstat.system.in
5751 ± 8% -24.5% 4341 ± 12% slabinfo.Acpi-Parse.active_objs
5751 ± 8% -24.5% 4341 ± 12% slabinfo.Acpi-Parse.num_objs
0.03 ± 2% +0.0 0.03 ± 3% mpstat.cpu.all.irq%
0.01 ± 5% +0.0 0.01 ± 6% mpstat.cpu.all.soft%
2.49 -0.8 1.65 ± 5% mpstat.cpu.all.usr%
87990 ± 3% +24.3% 109405 ± 18% interrupts.CAL:Function_call_interrupts
51303 ± 18% +29.3% 66321 ± 5% interrupts.CPU0.CAL:Function_call_interrupts
19410 ± 53% +135.2% 45644 ± 40% interrupts.CPU67.LOC:Local_timer_interrupts
5235 ±112% +285.6% 20185 ± 73% interrupts.CPU79.LOC:Local_timer_interrupts
9028 ± 18% -19.9% 7236 ± 2% softirqs.CPU0.RCU
292709 ± 11% -15.8% 246430 ± 3% softirqs.RCU
408900 +14.1% 466365 ± 3% softirqs.SCHED
35525 ± 4% +16.2% 41283 ± 5% softirqs.TIMER
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.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
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