Greeting, FYI, we noticed a 1894.6% improvement of will-it-scale.per_process_ops due to commit: commit: 4e2c82a40911c19419349918e675aa202b113b4d ("[PATCH v5 3/3] mm: adjust vm_committed_as_batch according to vm overcommit policy") url: https://github.com/0day-ci/linux/commits/Feng-Tang/make-vm_committed_as_batch-aware-of-vm-overcommit-policy/20200621-153906 in testcase: will-it-scale on test machine: 104 threads Skylake with 192G memory with following parameters: nr_task: 100% mode: process test: mmap1 cpufreq_governor: performance ucode: 0x2000065 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 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 run job.yaml ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode: gcc-9/performance/x86_64-rhel-7.6/process/100%/debian-x86_64-20191114.cgz/lkp-skl-fpga01/mmap1/will-it-scale/0x2000065 commit: e172eef574 ("mm/util.c: make vm_memory_committed() more accurate") 4e2c82a409 ("mm: adjust vm_committed_as_batch according to vm overcommit policy") e172eef574090d38 4e2c82a40911c19419349918e67 ---------------- --------------------------- %stddev %change %stddev \ | \ 12134 +1894.6% 242032 will-it-scale.per_process_ops 1262048 +1894.5% 25171362 will-it-scale.workload 93285003 ± 35% -58.8% 38472987 ±109% cpuidle.C6.time 156141 ± 10% -51.8% 75193 ± 68% cpuidle.C6.usage 9175913 +37.5% 12615167 meminfo.Committed_AS 98360 -11.8% 86768 meminfo.Shmem 98.78 -17.1 81.70 mpstat.cpu.all.sys% 0.84 +17.1 17.90 mpstat.cpu.all.usr% 91727 ± 3% -10.2% 82361 ± 3% numa-meminfo.node0.SUnreclaim 78758 ± 4% +9.8% 86490 ± 3% numa-meminfo.node1.SUnreclaim 22931 ± 3% -10.2% 20589 ± 3% numa-vmstat.node0.nr_slab_unreclaimable 19689 ± 4% +9.8% 21622 ± 3% numa-vmstat.node1.nr_slab_unreclaimable 98.00 -17.3% 81.00 vmstat.cpu.sy 1.00 +1600.0% 17.00 vmstat.cpu.us 1374 +8.7% 1493 vmstat.system.cs 93504 -3.0% 90744 proc-vmstat.nr_active_anon 7150 -1.2% 7060 proc-vmstat.nr_inactive_anon 24614 -11.9% 21686 proc-vmstat.nr_shmem 93504 -3.0% 90744 proc-vmstat.nr_zone_active_anon 7150 -1.2% 7060 proc-vmstat.nr_zone_inactive_anon 737688 -1.3% 727889 proc-vmstat.numa_hit 703983 -1.4% 694240 proc-vmstat.numa_local 4068 ± 47% +510.6% 24844 ± 61% proc-vmstat.numa_pte_updates 26377 -16.3% 22072 ± 2% proc-vmstat.pgactivate 154.89 +12.8% 174.68 ± 2% sched_debug.cfs_rq:/.exec_clock.stddev 44.42 ± 14% +25.5% 55.75 ± 13% sched_debug.cfs_rq:/.nr_spread_over.max 412.89 ± 2% +9.9% 453.76 ± 4% sched_debug.cfs_rq:/.util_est_enqueued.avg 125.87 ± 9% +55.0% 195.07 ± 2% sched_debug.cfs_rq:/.util_est_enqueued.stddev 8.58 ± 17% +37.2% 11.78 ± 10% sched_debug.cpu.clock.stddev 8.58 ± 17% +37.2% 11.78 ± 10% sched_debug.cpu.clock_task.stddev 0.00 ± 2% +21.9% 0.00 ± 11% sched_debug.cpu.next_balance.stddev 2499 ± 8% +31.1% 3276 ± 5% sched_debug.cpu.nr_switches.stddev 1911 ± 5% +30.3% 2491 sched_debug.cpu.sched_count.stddev 4564 ± 8% +79.3% 8183 ± 14% sched_debug.cpu.ttwu_count.max 742.42 ± 4% +67.5% 1243 ± 8% sched_debug.cpu.ttwu_count.stddev 730.40 -9.8% 659.01 sched_debug.cpu.ttwu_local.avg 303.67 ± 4% +15.5% 350.83 ± 4% sched_debug.cpu.ttwu_local.min 62371 +41.5% 88277 ± 3% interrupts.CAL:Function_call_interrupts 956.75 ± 30% +34.3% 1284 ± 4% interrupts.CPU0.CAL:Function_call_interrupts 956.75 ± 28% +115.3% 2060 ± 42% interrupts.CPU1.CAL:Function_call_interrupts 476.00 ± 20% +42.8% 679.50 ± 31% interrupts.CPU1.RES:Rescheduling_interrupts 518.75 ± 10% -12.3% 455.00 interrupts.CPU101.CAL:Function_call_interrupts 554.50 ± 58% -43.5% 313.50 interrupts.CPU101.RES:Rescheduling_interrupts 378.75 ± 13% -16.3% 317.00 interrupts.CPU102.RES:Rescheduling_interrupts 844.75 ± 8% +64.0% 1385 ± 14% interrupts.CPU26.CAL:Function_call_interrupts 330.50 ± 2% -6.4% 309.25 interrupts.CPU39.RES:Rescheduling_interrupts 377.00 ± 8% -11.3% 334.50 interrupts.CPU5.RES:Rescheduling_interrupts 1167 ± 6% +32.9% 1552 ± 2% interrupts.CPU52.CAL:Function_call_interrupts 526.25 ± 5% +20.9% 636.00 ± 13% interrupts.CPU52.RES:Rescheduling_interrupts 1822 ± 2% +121.0% 4027 ± 36% interrupts.CPU53.CAL:Function_call_interrupts 587.75 ± 9% +28.4% 754.50 ± 11% interrupts.CPU53.RES:Rescheduling_interrupts 1979 ± 13% +240.0% 6729 ± 23% interrupts.CPU54.CAL:Function_call_interrupts 356.50 ± 5% -10.0% 321.00 ± 3% interrupts.CPU64.RES:Rescheduling_interrupts 360.50 ± 6% -10.9% 321.25 ± 3% interrupts.CPU67.RES:Rescheduling_interrupts 1204 ± 3% +30.2% 1567 ± 3% interrupts.CPU78.CAL:Function_call_interrupts 1877 ± 17% +189.9% 5443 ± 21% interrupts.CPU79.CAL:Function_call_interrupts 1875 ± 11% +183.2% 5312 ± 37% interrupts.CPU80.CAL:Function_call_interrupts 1462 ± 35% +119.8% 3214 ± 21% interrupts.CPU81.CAL:Function_call_interrupts 409.00 ± 18% -21.7% 320.25 ± 3% interrupts.CPU86.RES:Rescheduling_interrupts 546.50 ± 55% -41.7% 318.50 interrupts.CPU92.RES:Rescheduling_interrupts 369.25 ± 10% -12.1% 324.75 ± 7% interrupts.CPU95.RES:Rescheduling_interrupts 137.00 ± 21% -33.8% 90.75 ± 10% interrupts.IWI:IRQ_work_interrupts 41580 +10.7% 46012 ± 3% interrupts.RES:Rescheduling_interrupts 95.75 ± 27% +156.1% 245.25 ± 31% interrupts.TLB:TLB_shootdowns 3.23 -98.8% 0.04 ± 14% perf-stat.i.MPKI 4.957e+09 +1087.7% 5.887e+10 perf-stat.i.branch-instructions 0.41 +0.0 0.43 perf-stat.i.branch-miss-rate% 20020017 +1123.3% 2.449e+08 perf-stat.i.branch-misses 40.71 -32.6 8.14 ± 18% perf-stat.i.cache-miss-rate% 27302806 -98.2% 482743 ± 11% perf-stat.i.cache-misses 67071073 -91.2% 5902976 ± 11% perf-stat.i.cache-references 1339 +9.4% 1466 perf-stat.i.context-switches 13.85 -92.0% 1.11 perf-stat.i.cpi 2.882e+11 -3.5% 2.783e+11 perf-stat.i.cpu-cycles 143.91 +12.2% 161.48 perf-stat.i.cpu-migrations 10534 +6412.5% 686069 ± 6% perf-stat.i.cycles-between-cache-misses 0.05 +0.0 0.07 perf-stat.i.dTLB-load-miss-rate% 2601973 +1828.7% 50183924 perf-stat.i.dTLB-load-misses 5.777e+09 +1183.8% 7.416e+10 perf-stat.i.dTLB-loads 0.00 ± 4% -0.0 0.00 ± 14% perf-stat.i.dTLB-store-miss-rate% 11333 +308.3% 46270 perf-stat.i.dTLB-store-misses 1.712e+09 +1723.7% 3.123e+10 perf-stat.i.dTLB-stores 16.99 +16.4 33.43 perf-stat.i.iTLB-load-miss-rate% 1019286 +5015.7% 52143535 perf-stat.i.iTLB-load-misses 4980632 +1977.5% 1.035e+08 perf-stat.i.iTLB-loads 2.079e+10 +1107.7% 2.511e+11 perf-stat.i.instructions 20597 -76.2% 4909 perf-stat.i.instructions-per-iTLB-miss 0.07 +1112.2% 0.90 perf-stat.i.ipc 2.77 -3.5% 2.68 perf-stat.i.metric.GHz 0.29 +386.2% 1.40 ± 4% perf-stat.i.metric.K/sec 120.45 +1211.8% 1580 perf-stat.i.metric.M/sec 99.58 -9.9 89.65 perf-stat.i.node-load-miss-rate% 5372890 -98.1% 102469 ± 16% perf-stat.i.node-load-misses 17999 ± 4% +7.1% 19279 ± 3% perf-stat.i.node-loads 99.70 -15.3 84.37 perf-stat.i.node-store-miss-rate% 4224840 -99.6% 16674 perf-stat.i.node-store-misses 3957 ± 5% +20.7% 4778 ± 4% perf-stat.i.node-stores 3.23 -99.3% 0.02 ± 11% perf-stat.overall.MPKI 0.40 +0.0 0.42 perf-stat.overall.branch-miss-rate% 40.69 -32.4 8.33 ± 18% perf-stat.overall.cache-miss-rate% 13.86 -92.0% 1.11 perf-stat.overall.cpi 10555 +5417.7% 582409 ± 10% perf-stat.overall.cycles-between-cache-misses 0.05 +0.0 0.07 perf-stat.overall.dTLB-load-miss-rate% 0.00 ± 2% -0.0 0.00 perf-stat.overall.dTLB-store-miss-rate% 16.98 +16.5 33.50 perf-stat.overall.iTLB-load-miss-rate% 20411 -76.4% 4816 perf-stat.overall.instructions-per-iTLB-miss 0.07 +1150.8% 0.90 perf-stat.overall.ipc 99.64 -15.9 83.75 perf-stat.overall.node-load-miss-rate% 99.90 -22.3 77.60 perf-stat.overall.node-store-miss-rate% 4964886 -39.5% 3004976 perf-stat.overall.path-length 4.94e+09 +1087.6% 5.867e+10 perf-stat.ps.branch-instructions 19955233 +1123.3% 2.441e+08 perf-stat.ps.branch-misses 27214496 -98.2% 482131 ± 11% perf-stat.ps.cache-misses 66882519 -91.2% 5886018 ± 11% perf-stat.ps.cache-references 1335 +9.3% 1459 perf-stat.ps.context-switches 2.873e+11 -3.5% 2.773e+11 perf-stat.ps.cpu-cycles 143.62 +11.9% 160.74 perf-stat.ps.cpu-migrations 2604905 +1819.8% 50009913 perf-stat.ps.dTLB-load-misses 5.758e+09 +1183.7% 7.391e+10 perf-stat.ps.dTLB-loads 11577 ± 2% +298.4% 46128 perf-stat.ps.dTLB-store-misses 1.707e+09 +1723.5% 3.112e+10 perf-stat.ps.dTLB-stores 1015525 +5016.3% 51957351 perf-stat.ps.iTLB-load-misses 4964472 +1977.1% 1.031e+08 perf-stat.ps.iTLB-loads 2.072e+10 +1107.6% 2.503e+11 perf-stat.ps.instructions 5354985 -98.1% 102049 ± 16% perf-stat.ps.node-load-misses 4210659 -99.6% 16606 perf-stat.ps.node-store-misses 4036 ± 6% +18.8% 4795 ± 4% perf-stat.ps.node-stores 6.266e+12 +1107.2% 7.564e+13 perf-stat.total.instructions 6110 ± 4% +170.0% 16499 ± 2% softirqs.CPU0.RCU 131029 -22.3% 101841 ± 2% softirqs.CPU0.TIMER 5426 ± 6% +192.8% 15889 ± 8% softirqs.CPU1.RCU 4265 ± 2% +267.8% 15691 ± 3% softirqs.CPU10.RCU 126375 -23.9% 96143 softirqs.CPU10.TIMER 3733 +298.3% 14869 ± 3% softirqs.CPU100.RCU 125994 -26.9% 92120 ± 2% softirqs.CPU100.TIMER 3815 ± 6% +284.1% 14652 ± 2% softirqs.CPU101.RCU 126160 -27.5% 91409 ± 2% softirqs.CPU101.TIMER 3654 ± 3% +303.2% 14732 ± 2% softirqs.CPU102.RCU 126138 -27.5% 91507 ± 2% softirqs.CPU102.TIMER 4662 ± 14% +225.6% 15182 ± 5% softirqs.CPU103.RCU 127953 -28.0% 92148 ± 2% softirqs.CPU103.TIMER 4203 +271.5% 15613 ± 3% softirqs.CPU11.RCU 126126 -24.1% 95681 softirqs.CPU11.TIMER 4341 ± 6% +256.5% 15474 ± 3% softirqs.CPU12.RCU 126312 -24.7% 95061 softirqs.CPU12.TIMER 4450 ± 5% +261.6% 16090 ± 2% softirqs.CPU13.RCU 126426 -23.9% 96172 softirqs.CPU13.TIMER 4197 +280.3% 15964 ± 4% softirqs.CPU14.RCU 126366 -23.7% 96372 softirqs.CPU14.TIMER 4320 ± 4% +314.7% 17915 ± 3% softirqs.CPU15.RCU 126212 -23.3% 96764 softirqs.CPU15.TIMER 4204 ± 2% +323.1% 17786 ± 9% softirqs.CPU16.RCU 4440 ± 11% +303.4% 17912 softirqs.CPU17.RCU 126505 -24.5% 95546 softirqs.CPU17.TIMER 4061 +334.4% 17640 ± 2% softirqs.CPU18.RCU 125981 -24.0% 95706 softirqs.CPU18.TIMER 4114 +301.3% 16513 ± 11% softirqs.CPU19.RCU 126207 -24.6% 95201 ± 2% softirqs.CPU19.TIMER 4663 ± 2% +249.1% 16277 ± 3% softirqs.CPU2.RCU 126641 -24.5% 95677 ± 2% softirqs.CPU2.TIMER 4135 ± 2% +327.9% 17694 ± 2% softirqs.CPU20.RCU 126190 -23.8% 96097 softirqs.CPU20.TIMER 4117 +329.4% 17678 ± 2% softirqs.CPU21.RCU 126078 -24.1% 95698 softirqs.CPU21.TIMER 4108 +335.3% 17883 ± 3% softirqs.CPU22.RCU 125926 -23.3% 96581 softirqs.CPU22.TIMER 4346 ± 10% +304.4% 17574 ± 3% softirqs.CPU23.RCU 126388 -24.6% 95334 softirqs.CPU23.TIMER 4289 ± 5% +314.4% 17774 ± 3% softirqs.CPU24.RCU 126365 -24.7% 95125 softirqs.CPU24.TIMER 4275 ± 3% +313.4% 17678 ± 2% softirqs.CPU25.RCU 126236 -24.6% 95217 softirqs.CPU25.TIMER 4692 ± 2% +243.6% 16123 ± 2% softirqs.CPU26.RCU 126801 -27.2% 92342 ± 2% softirqs.CPU26.TIMER 4945 ± 8% +233.8% 16506 ± 4% softirqs.CPU27.RCU 127385 -27.2% 92710 softirqs.CPU27.TIMER 4423 ± 7% +253.8% 15650 ± 3% softirqs.CPU28.RCU 134939 ± 10% -31.7% 92217 ± 2% softirqs.CPU28.TIMER 6106 ± 48% +182.5% 17251 ± 17% softirqs.CPU29.RCU 130358 ± 2% -28.3% 93520 ± 4% softirqs.CPU29.TIMER 4362 ± 2% +270.0% 16139 ± 2% softirqs.CPU3.RCU 126413 -23.6% 96611 softirqs.CPU3.TIMER 4321 ± 6% +290.0% 16854 ± 3% softirqs.CPU30.RCU 127297 -27.3% 92574 ± 2% softirqs.CPU30.TIMER 4246 ± 7% +320.7% 17866 ± 11% softirqs.CPU31.RCU 126876 -25.5% 94552 ± 4% softirqs.CPU31.TIMER 4270 ± 5% +291.0% 16695 ± 3% softirqs.CPU32.RCU 127209 -27.1% 92679 ± 2% softirqs.CPU32.TIMER 4295 ± 7% +287.9% 16658 ± 2% softirqs.CPU33.RCU 127371 -27.6% 92158 ± 2% softirqs.CPU33.TIMER 4402 ± 4% +286.8% 17026 ± 3% softirqs.CPU34.RCU 127223 -27.3% 92495 ± 2% softirqs.CPU34.TIMER 4271 ± 9% +288.0% 16572 ± 2% softirqs.CPU35.RCU 127855 -28.3% 91697 ± 2% softirqs.CPU35.TIMER 4134 ± 3% +297.2% 16425 ± 3% softirqs.CPU36.RCU 126837 -27.5% 91968 ± 2% softirqs.CPU36.TIMER 3998 +306.0% 16230 ± 3% softirqs.CPU37.RCU 126729 -27.3% 92174 softirqs.CPU37.TIMER 4309 ± 11% +280.5% 16398 softirqs.CPU38.RCU 127222 -27.1% 92707 ± 2% softirqs.CPU38.TIMER 4060 ± 2% +303.7% 16393 ± 2% softirqs.CPU39.RCU 126816 -27.6% 91843 ± 2% softirqs.CPU39.TIMER 4407 ± 2% +260.9% 15907 ± 2% softirqs.CPU4.RCU 126543 -24.2% 95938 softirqs.CPU4.TIMER 4005 +316.9% 16701 softirqs.CPU40.RCU 126854 -26.6% 93051 ± 2% softirqs.CPU40.TIMER 3956 +316.3% 16469 ± 3% softirqs.CPU41.RCU 126714 -27.2% 92226 softirqs.CPU41.TIMER 4061 ± 2% +298.6% 16186 ± 2% softirqs.CPU42.RCU 126738 -27.4% 91971 ± 2% softirqs.CPU42.TIMER 4094 ± 6% +290.4% 15982 ± 2% softirqs.CPU43.RCU 126917 -27.4% 92181 ± 2% softirqs.CPU43.TIMER 3896 +323.7% 16508 ± 4% softirqs.CPU44.RCU 126547 -26.3% 93260 ± 4% softirqs.CPU44.TIMER 3967 +308.3% 16197 ± 3% softirqs.CPU45.RCU 126577 -26.9% 92512 ± 2% softirqs.CPU45.TIMER 4531 ± 11% +253.0% 15997 ± 5% softirqs.CPU46.RCU 3957 +318.1% 16545 ± 2% softirqs.CPU47.RCU 126651 -27.2% 92139 ± 2% softirqs.CPU47.TIMER 4306 ± 8% +287.6% 16688 ± 5% softirqs.CPU48.RCU 136498 ± 11% -32.2% 92515 ± 3% softirqs.CPU48.TIMER 3943 +312.6% 16271 ± 2% softirqs.CPU49.RCU 126688 -27.6% 91778 ± 2% softirqs.CPU49.TIMER 4604 ± 8% +243.1% 15796 ± 3% softirqs.CPU5.RCU 126598 -24.2% 95934 softirqs.CPU5.TIMER 4034 ± 3% +303.4% 16272 softirqs.CPU50.RCU 126758 -27.7% 91677 softirqs.CPU50.TIMER 3957 ± 3% +313.5% 16365 ± 2% softirqs.CPU51.RCU 126637 -27.2% 92186 ± 2% softirqs.CPU51.TIMER 5784 +245.4% 19976 ± 2% softirqs.CPU52.RCU 125703 -22.7% 97173 softirqs.CPU52.TIMER 5831 ± 3% +210.7% 18115 ± 13% softirqs.CPU53.RCU 125659 -24.6% 94807 ± 2% softirqs.CPU53.TIMER 5513 ± 7% +249.5% 19267 ± 2% softirqs.CPU54.RCU 126963 -24.4% 96024 ± 2% softirqs.CPU54.TIMER 4426 +359.7% 20350 ± 13% softirqs.CPU55.RCU 125809 -22.7% 97211 ± 3% softirqs.CPU55.TIMER 4262 ± 2% +330.2% 18339 softirqs.CPU56.RCU 125733 -24.2% 95356 softirqs.CPU56.TIMER 4143 ± 5% +332.7% 17926 softirqs.CPU57.RCU 125930 -24.5% 95106 softirqs.CPU57.TIMER 4052 ± 3% +337.3% 17719 softirqs.CPU58.RCU 125971 -24.7% 94890 softirqs.CPU58.TIMER 4047 +350.8% 18243 softirqs.CPU59.RCU 125799 -23.7% 95943 softirqs.CPU59.TIMER 4524 ± 4% +243.5% 15541 ± 2% softirqs.CPU6.RCU 126547 -24.6% 95402 softirqs.CPU6.TIMER 3937 +292.2% 15441 ± 2% softirqs.CPU60.RCU 125746 -24.1% 95502 softirqs.CPU60.TIMER 3995 ± 4% +286.7% 15450 ± 2% softirqs.CPU61.RCU 125797 -24.4% 95077 softirqs.CPU61.TIMER 3897 +297.4% 15486 ± 2% softirqs.CPU62.RCU 125352 -24.0% 95299 softirqs.CPU62.TIMER 3901 +299.1% 15570 ± 4% softirqs.CPU63.RCU 125467 -24.0% 95340 softirqs.CPU63.TIMER 3901 +299.6% 15587 ± 3% softirqs.CPU64.RCU 125635 -24.7% 94635 softirqs.CPU64.TIMER 3931 ± 2% +287.0% 15215 ± 3% softirqs.CPU65.RCU 125605 -24.2% 95256 softirqs.CPU65.TIMER 3888 +301.0% 15590 ± 2% softirqs.CPU66.RCU 125564 -23.7% 95791 softirqs.CPU66.TIMER 3880 +303.9% 15673 ± 4% softirqs.CPU67.RCU 125496 -23.3% 96252 softirqs.CPU67.TIMER 3823 +289.1% 14876 ± 11% softirqs.CPU68.RCU 125395 -24.7% 94405 ± 2% softirqs.CPU68.TIMER 3872 +304.9% 15679 ± 3% softirqs.CPU69.RCU 125436 -24.4% 94854 softirqs.CPU69.TIMER 4291 +270.3% 15888 ± 3% softirqs.CPU7.RCU 126326 -23.9% 96082 softirqs.CPU7.TIMER 3866 +303.8% 15615 ± 3% softirqs.CPU70.RCU 125491 -23.9% 95510 softirqs.CPU70.TIMER 3853 +305.2% 15612 ± 6% softirqs.CPU71.RCU 3901 ± 4% +293.4% 15350 ± 3% softirqs.CPU72.RCU 125753 -23.8% 95803 softirqs.CPU72.TIMER 3803 ± 2% +302.4% 15302 ± 3% softirqs.CPU73.RCU 125519 -23.9% 95474 softirqs.CPU73.TIMER 3938 ± 6% +292.3% 15451 ± 4% softirqs.CPU74.RCU 125510 -24.0% 95438 softirqs.CPU74.TIMER 4074 ± 11% +270.9% 15113 ± 3% softirqs.CPU75.RCU 126182 -24.6% 95178 softirqs.CPU75.TIMER 3793 ± 2% +309.7% 15540 ± 2% softirqs.CPU76.RCU 125474 -24.1% 95180 softirqs.CPU76.TIMER 4075 ± 5% +270.2% 15085 ± 3% softirqs.CPU77.RCU 125744 -24.5% 94928 softirqs.CPU77.TIMER 6033 ± 4% +208.0% 18580 softirqs.CPU78.RCU 126368 -27.3% 91863 ± 2% softirqs.CPU78.TIMER 5481 ± 2% +223.7% 17740 ± 2% softirqs.CPU79.RCU 126427 -27.3% 91869 ± 2% softirqs.CPU79.TIMER 4293 +268.2% 15810 ± 2% softirqs.CPU8.RCU 126323 -24.3% 95674 softirqs.CPU8.TIMER 4934 ± 6% +256.0% 17569 ± 5% softirqs.CPU80.RCU 126434 -26.9% 92478 softirqs.CPU80.TIMER 4737 ± 9% +258.1% 16965 ± 3% softirqs.CPU81.RCU 125204 -26.5% 91964 ± 2% softirqs.CPU81.TIMER 7821 ± 39% +129.5% 17954 ± 17% softirqs.CPU82.RCU 130022 ± 2% -28.3% 93274 ± 4% softirqs.CPU82.TIMER 5849 ± 49% +211.2% 18204 ± 15% softirqs.CPU83.RCU 128023 -27.4% 92901 ± 2% softirqs.CPU83.TIMER 3962 ± 2% +324.3% 16810 softirqs.CPU84.RCU 126550 -27.3% 91964 ± 2% softirqs.CPU84.TIMER 3886 ± 2% +328.7% 16661 ± 2% softirqs.CPU85.RCU 126621 -27.4% 91951 ± 2% softirqs.CPU85.TIMER 3906 ± 4% +318.9% 16363 ± 2% softirqs.CPU86.RCU 126692 -27.5% 91851 ± 2% softirqs.CPU86.TIMER 4133 ± 3% +286.7% 15983 ± 2% softirqs.CPU87.RCU 126919 -28.2% 91166 ± 2% softirqs.CPU87.TIMER 3845 +322.6% 16250 ± 2% softirqs.CPU88.RCU 126361 -27.4% 91676 softirqs.CPU88.TIMER 3950 ± 4% +318.1% 16516 softirqs.CPU89.RCU 134193 ± 10% -31.6% 91850 ± 2% softirqs.CPU89.TIMER 4248 +269.1% 15678 ± 2% softirqs.CPU9.RCU 126127 -24.4% 95382 softirqs.CPU9.TIMER 3749 +292.1% 14702 ± 2% softirqs.CPU90.RCU 126128 -27.5% 91394 ± 2% softirqs.CPU90.TIMER 3968 ± 8% +272.1% 14765 ± 3% softirqs.CPU91.RCU 126535 -27.5% 91676 ± 2% softirqs.CPU91.TIMER 4027 ± 10% +265.5% 14722 ± 2% softirqs.CPU92.RCU 126767 -27.7% 91678 ± 2% softirqs.CPU92.TIMER 3768 ± 3% +293.2% 14816 softirqs.CPU93.RCU 126161 -27.2% 91824 ± 2% softirqs.CPU93.TIMER 3771 ± 2% +286.3% 14569 ± 2% softirqs.CPU94.RCU 126058 -27.4% 91551 ± 2% softirqs.CPU94.TIMER 3785 ± 3% +288.8% 14714 softirqs.CPU95.RCU 126186 -27.2% 91831 ± 2% softirqs.CPU95.TIMER 3754 +290.8% 14670 ± 2% softirqs.CPU96.RCU 126106 -27.3% 91676 ± 2% softirqs.CPU96.TIMER 3763 +301.0% 15092 ± 2% softirqs.CPU97.RCU 126045 -26.9% 92192 ± 3% softirqs.CPU97.TIMER 3792 ± 3% +282.6% 14508 ± 10% softirqs.CPU98.RCU 126131 -27.5% 91451 softirqs.CPU98.TIMER 3819 ± 3% +286.4% 14757 ± 2% softirqs.CPU99.RCU 126210 -27.7% 91293 ± 2% softirqs.CPU99.TIMER 447015 +280.5% 1701111 ± 2% softirqs.RCU 13186374 -25.4% 9837196 softirqs.TIMER 48.24 -48.2 0.00 perf-profile.calltrace.cycles-pp.__vm_enough_memory.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 48.24 -48.2 0.00 perf-profile.calltrace.cycles-pp.percpu_counter_add_batch.__vm_enough_memory.mmap_region.do_mmap.vm_mmap_pgoff 47.88 -47.9 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.percpu_counter_add_batch.__vm_enough_memory.mmap_region.do_mmap 47.76 -47.8 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.percpu_counter_add_batch.__vm_enough_memory.mmap_region 47.73 -47.7 0.00 perf-profile.calltrace.cycles-pp.percpu_counter_add_batch.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 47.36 -47.4 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.percpu_counter_add_batch.__do_munmap.__vm_munmap.__x64_sys_munmap 47.23 -47.2 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.percpu_counter_add_batch.__do_munmap.__vm_munmap 48.79 -36.9 11.88 perf-profile.calltrace.cycles-pp.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 48.94 -33.0 15.91 perf-profile.calltrace.cycles-pp.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 49.05 -30.1 18.91 perf-profile.calltrace.cycles-pp.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.mmap64 49.06 -29.9 19.19 perf-profile.calltrace.cycles-pp.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe.mmap64 49.33 -24.8 24.49 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.mmap64 49.34 -24.6 24.77 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.mmap64 49.63 -17.6 32.02 perf-profile.calltrace.cycles-pp.mmap64 0.00 +0.6 0.58 perf-profile.calltrace.cycles-pp.security_mmap_addr.get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 0.00 +0.6 0.58 perf-profile.calltrace.cycles-pp.down_write_killable.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +0.6 0.58 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap 0.00 +0.6 0.62 perf-profile.calltrace.cycles-pp.cap_vm_enough_memory.security_vm_enough_memory_mm.mmap_region.do_mmap.vm_mmap_pgoff 0.00 +0.7 0.66 perf-profile.calltrace.cycles-pp.strlcpy.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff 0.00 +0.7 0.70 perf-profile.calltrace.cycles-pp.__vma_rb_erase.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 0.00 +0.8 0.75 perf-profile.calltrace.cycles-pp.down_write_killable.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +0.8 0.83 perf-profile.calltrace.cycles-pp.security_vm_enough_memory_mm.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 0.00 +1.0 1.01 perf-profile.calltrace.cycles-pp.vmacache_find.find_vma.__do_munmap.__vm_munmap.__x64_sys_munmap 0.00 +1.1 1.08 perf-profile.calltrace.cycles-pp.kmem_cache_alloc.vm_area_alloc.mmap_region.do_mmap.vm_mmap_pgoff 0.00 +1.1 1.12 perf-profile.calltrace.cycles-pp.vm_unmapped_area.arch_get_unmapped_area_topdown.get_unmapped_area.do_mmap.vm_mmap_pgoff 0.00 +1.3 1.25 perf-profile.calltrace.cycles-pp.remove_vma.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 0.00 +1.3 1.26 perf-profile.calltrace.cycles-pp.perf_event_mmap_output.perf_iterate_sb.perf_event_mmap.mmap_region.do_mmap 0.00 +1.3 1.30 perf-profile.calltrace.cycles-pp.security_mmap_file.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +1.6 1.63 perf-profile.calltrace.cycles-pp.__vma_link_rb.vma_link.mmap_region.do_mmap.vm_mmap_pgoff 0.00 +1.9 1.89 perf-profile.calltrace.cycles-pp.vm_area_alloc.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 0.00 +2.0 2.01 perf-profile.calltrace.cycles-pp.arch_get_unmapped_area_topdown.get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 0.00 +2.1 2.14 perf-profile.calltrace.cycles-pp.vma_link.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 0.00 +2.5 2.47 perf-profile.calltrace.cycles-pp.perf_iterate_sb.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff 0.00 +2.6 2.57 perf-profile.calltrace.cycles-pp.find_vma.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 0.00 +2.6 2.60 perf-profile.calltrace.cycles-pp.rcu_all_qs._cond_resched.unmap_page_range.unmap_vmas.unmap_region 0.00 +3.0 3.00 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.munmap 0.00 +3.0 3.04 perf-profile.calltrace.cycles-pp.get_unmapped_area.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff.do_syscall_64 0.00 +3.2 3.15 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.mmap64 0.00 +3.4 3.37 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.mmap64 0.00 +3.5 3.46 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.munmap 49.52 +3.8 53.33 perf-profile.calltrace.cycles-pp.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +4.7 4.67 perf-profile.calltrace.cycles-pp.perf_event_mmap.mmap_region.do_mmap.vm_mmap_pgoff.ksys_mmap_pgoff 49.77 +4.9 54.71 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.munmap 0.00 +5.4 5.40 perf-profile.calltrace.cycles-pp._cond_resched.unmap_page_range.unmap_vmas.unmap_region.__do_munmap 49.80 +5.5 55.27 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.munmap 0.00 +7.5 7.49 perf-profile.calltrace.cycles-pp.free_p4d_range.free_pgd_range.unmap_region.__do_munmap.__vm_munmap 0.00 +7.9 7.95 perf-profile.calltrace.cycles-pp.free_pgd_range.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap 50.05 +10.5 60.53 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.munmap 50.06 +10.7 60.79 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.munmap 0.38 ± 57% +14.9 15.24 perf-profile.calltrace.cycles-pp.___might_sleep.unmap_page_range.unmap_vmas.unmap_region.__do_munmap 50.33 +17.5 67.84 perf-profile.calltrace.cycles-pp.munmap 1.12 +33.4 34.49 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.__do_munmap.__vm_munmap 1.21 +35.2 36.40 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap 1.54 +44.8 46.37 perf-profile.calltrace.cycles-pp.unmap_region.__do_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 95.97 -95.4 0.56 perf-profile.children.cycles-pp.percpu_counter_add_batch 95.25 -95.2 0.00 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 95.00 -95.0 0.00 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 48.24 -47.9 0.36 perf-profile.children.cycles-pp.__vm_enough_memory 48.79 -36.8 12.00 perf-profile.children.cycles-pp.mmap_region 48.94 -33.0 15.96 perf-profile.children.cycles-pp.do_mmap 49.05 -30.1 18.97 perf-profile.children.cycles-pp.vm_mmap_pgoff 49.06 -29.8 19.22 perf-profile.children.cycles-pp.ksys_mmap_pgoff 49.65 -17.2 32.44 perf-profile.children.cycles-pp.mmap64 99.40 -14.3 85.11 perf-profile.children.cycles-pp.do_syscall_64 99.42 -13.8 85.62 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 0.21 ± 2% +0.0 0.24 perf-profile.children.cycles-pp.up_read 0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.__x86_indirect_thunk_r9 0.00 +0.1 0.07 ± 6% perf-profile.children.cycles-pp.__vma_link_file 0.00 +0.1 0.07 ± 6% perf-profile.children.cycles-pp.tlb_table_flush 0.06 ± 6% +0.1 0.13 ± 6% perf-profile.children.cycles-pp.scheduler_tick 0.00 +0.1 0.07 perf-profile.children.cycles-pp.kfree 0.00 +0.1 0.08 ± 5% perf-profile.children.cycles-pp.unlink_file_vma 0.03 ±100% +0.1 0.11 ± 10% perf-profile.children.cycles-pp.task_tick_fair 0.00 +0.1 0.08 ± 5% perf-profile.children.cycles-pp.should_failslab 0.00 +0.1 0.09 perf-profile.children.cycles-pp.vma_wants_writenotify 0.00 +0.1 0.09 perf-profile.children.cycles-pp.__x86_indirect_thunk_rax 0.00 +0.1 0.11 ± 4% perf-profile.children.cycles-pp.get_mmap_base 0.08 ± 8% +0.1 0.19 ± 4% perf-profile.children.cycles-pp.tick_sched_handle 0.08 ± 6% +0.1 0.19 ± 6% perf-profile.children.cycles-pp.update_process_times 0.00 +0.1 0.12 perf-profile.children.cycles-pp.__rb_insert_augmented 0.00 +0.1 0.12 ± 6% perf-profile.children.cycles-pp.vm_pgprot_modify 0.00 +0.1 0.12 ± 4% perf-profile.children.cycles-pp.vm_area_free 0.00 +0.1 0.13 ± 3% perf-profile.children.cycles-pp.__vma_link_list 0.00 +0.1 0.13 ± 7% perf-profile.children.cycles-pp.__x86_retpoline_rbp 0.08 ± 5% +0.1 0.22 ± 5% perf-profile.children.cycles-pp.tick_sched_timer 0.00 +0.1 0.13 ± 8% perf-profile.children.cycles-pp.ktime_get 0.13 ± 3% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.00 +0.1 0.14 ± 7% perf-profile.children.cycles-pp.clockevents_program_event 0.00 +0.2 0.15 ± 3% perf-profile.children.cycles-pp.strlen 0.00 +0.2 0.18 ± 2% perf-profile.children.cycles-pp.ima_file_mmap 0.00 +0.2 0.19 perf-profile.children.cycles-pp.unmap_single_vma 0.00 +0.2 0.20 ± 2% perf-profile.children.cycles-pp.blocking_notifier_call_chain 0.00 +0.2 0.20 ± 2% perf-profile.children.cycles-pp.__x86_retpoline_r9 0.00 +0.2 0.20 ± 2% perf-profile.children.cycles-pp.userfaultfd_unmap_complete 0.00 +0.2 0.21 ± 2% perf-profile.children.cycles-pp.cap_capable 0.00 +0.2 0.21 ± 2% perf-profile.children.cycles-pp.unlink_anon_vmas 0.00 +0.2 0.21 perf-profile.children.cycles-pp.tlb_flush_mmu 0.00 +0.2 0.21 ± 3% perf-profile.children.cycles-pp.userfaultfd_unmap_prep 0.00 +0.2 0.21 ± 3% perf-profile.children.cycles-pp.may_expand_vm 0.21 ± 3% +0.2 0.43 ± 2% perf-profile.children.cycles-pp.asm_call_on_stack 0.00 +0.2 0.23 ± 3% perf-profile.children.cycles-pp.vma_merge 0.00 +0.2 0.24 perf-profile.children.cycles-pp.fpregs_assert_state_consistent 0.00 +0.2 0.24 ± 3% perf-profile.children.cycles-pp.lru_add_drain_cpu 0.00 +0.3 0.27 perf-profile.children.cycles-pp.up_write 0.00 +0.3 0.27 perf-profile.children.cycles-pp.__syscall_return_slowpath 0.00 +0.3 0.28 ± 5% perf-profile.children.cycles-pp.vmacache_update 0.29 +0.3 0.57 ± 2% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.18 ± 2% +0.3 0.47 ± 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.19 ± 3% +0.3 0.48 ± 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.21 ± 2% +0.3 0.51 ± 3% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.00 +0.3 0.31 perf-profile.children.cycles-pp.cap_mmap_file 0.00 +0.3 0.32 ± 2% perf-profile.children.cycles-pp.__x64_sys_mmap 0.00 +0.3 0.33 ± 2% perf-profile.children.cycles-pp.lru_add_drain 0.00 +0.3 0.34 perf-profile.children.cycles-pp.vma_set_page_prot 0.00 +0.4 0.36 perf-profile.children.cycles-pp.downgrade_write 0.00 +0.4 0.36 ± 3% perf-profile.children.cycles-pp.cap_mmap_addr 0.00 +0.4 0.37 ± 3% perf-profile.children.cycles-pp.memcpy_erms 0.00 +0.4 0.40 ± 2% perf-profile.children.cycles-pp.tlb_gather_mmu 0.00 +0.4 0.41 perf-profile.children.cycles-pp.apparmor_mmap_file 0.00 +0.5 0.46 ± 2% perf-profile.children.cycles-pp.free_pgtables 0.00 +0.5 0.51 perf-profile.children.cycles-pp.__x86_retpoline_rax 0.00 +0.5 0.51 perf-profile.children.cycles-pp.kmem_cache_free 0.00 +0.5 0.53 perf-profile.children.cycles-pp.__prepare_exit_to_usermode 0.00 +0.6 0.59 perf-profile.children.cycles-pp.security_mmap_addr 0.00 +0.6 0.60 perf-profile.children.cycles-pp.tlb_finish_mmu 0.00 +0.6 0.64 perf-profile.children.cycles-pp.cap_vm_enough_memory 0.00 +0.7 0.68 perf-profile.children.cycles-pp.strlcpy 0.00 +0.7 0.70 perf-profile.children.cycles-pp.__vma_rb_erase 0.00 +0.7 0.74 perf-profile.children.cycles-pp.__might_sleep 0.00 +0.8 0.84 perf-profile.children.cycles-pp.security_vm_enough_memory_mm 0.23 +0.9 1.15 perf-profile.children.cycles-pp.kmem_cache_alloc 0.00 +1.1 1.05 perf-profile.children.cycles-pp.vmacache_find 0.00 +1.1 1.13 perf-profile.children.cycles-pp.vm_unmapped_area 0.00 +1.3 1.28 perf-profile.children.cycles-pp.perf_event_mmap_output 0.04 ± 57% +1.3 1.34 perf-profile.children.cycles-pp.security_mmap_file 0.00 +1.3 1.31 perf-profile.children.cycles-pp.remove_vma 0.05 ± 8% +1.3 1.39 perf-profile.children.cycles-pp.down_write_killable 0.00 +1.6 1.63 perf-profile.children.cycles-pp.__vma_link_rb 0.25 +1.6 1.89 perf-profile.children.cycles-pp.vm_area_alloc 0.07 ± 7% +2.0 2.05 perf-profile.children.cycles-pp.arch_get_unmapped_area_topdown 0.05 ± 9% +2.1 2.19 perf-profile.children.cycles-pp.vma_link 0.07 ± 5% +2.4 2.50 perf-profile.children.cycles-pp.perf_iterate_sb 0.11 ± 4% +2.6 2.69 perf-profile.children.cycles-pp.find_vma 0.11 ± 3% +3.0 3.09 perf-profile.children.cycles-pp.get_unmapped_area 0.10 ± 4% +3.0 3.11 perf-profile.children.cycles-pp.rcu_all_qs 49.52 +3.9 53.47 perf-profile.children.cycles-pp.__do_munmap 0.15 ± 3% +4.6 4.75 perf-profile.children.cycles-pp.perf_event_mmap 49.77 +5.0 54.75 perf-profile.children.cycles-pp.__vm_munmap 49.80 +5.5 55.33 perf-profile.children.cycles-pp.__x64_sys_munmap 0.20 ± 3% +5.5 5.74 perf-profile.children.cycles-pp._cond_resched 0.27 +6.6 6.84 perf-profile.children.cycles-pp.entry_SYSCALL_64 0.27 +6.7 6.92 perf-profile.children.cycles-pp.syscall_return_via_sysret 0.26 +7.3 7.51 perf-profile.children.cycles-pp.free_p4d_range 0.27 +7.7 7.98 perf-profile.children.cycles-pp.free_pgd_range 0.55 +14.9 15.41 perf-profile.children.cycles-pp.___might_sleep 50.35 +18.0 68.32 perf-profile.children.cycles-pp.munmap 1.19 +34.3 35.50 perf-profile.children.cycles-pp.unmap_page_range 1.21 +35.2 36.44 perf-profile.children.cycles-pp.unmap_vmas 1.54 +44.9 46.43 perf-profile.children.cycles-pp.unmap_region 95.00 -95.0 0.00 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.21 ± 2% +0.0 0.23 perf-profile.self.cycles-pp.up_read 0.00 +0.1 0.05 perf-profile.self.cycles-pp.should_failslab 0.00 +0.1 0.05 perf-profile.self.cycles-pp.__x86_indirect_thunk_rax 0.00 +0.1 0.05 perf-profile.self.cycles-pp.tlb_table_flush 0.00 +0.1 0.06 perf-profile.self.cycles-pp.kfree 0.00 +0.1 0.07 ± 6% perf-profile.self.cycles-pp.unlink_file_vma 0.00 +0.1 0.08 ± 6% perf-profile.self.cycles-pp.vma_wants_writenotify 0.00 +0.1 0.08 perf-profile.self.cycles-pp.lru_add_drain 0.00 +0.1 0.10 perf-profile.self.cycles-pp.get_mmap_base 0.00 +0.1 0.10 ± 4% perf-profile.self.cycles-pp.__vm_enough_memory 0.00 +0.1 0.10 ± 4% perf-profile.self.cycles-pp.__vma_link_list 0.00 +0.1 0.11 ± 4% perf-profile.self.cycles-pp.__x86_retpoline_rbp 0.00 +0.1 0.11 ± 4% perf-profile.self.cycles-pp.vm_area_free 0.00 +0.1 0.11 ± 6% perf-profile.self.cycles-pp.vm_pgprot_modify 0.00 +0.1 0.12 perf-profile.self.cycles-pp.__rb_insert_augmented 0.00 +0.1 0.12 ± 8% perf-profile.self.cycles-pp.ktime_get 0.00 +0.1 0.13 perf-profile.self.cycles-pp.security_mmap_addr 0.00 +0.1 0.13 ± 3% perf-profile.self.cycles-pp.security_vm_enough_memory_mm 0.00 +0.1 0.14 ± 3% perf-profile.self.cycles-pp.vma_set_page_prot 0.40 +0.1 0.54 ± 2% perf-profile.self.cycles-pp.percpu_counter_add_batch 0.00 +0.1 0.15 ± 3% perf-profile.self.cycles-pp.strlen 0.00 +0.1 0.15 ± 2% perf-profile.self.cycles-pp.tlb_flush_mmu 0.00 +0.2 0.17 ± 2% perf-profile.self.cycles-pp.ima_file_mmap 0.00 +0.2 0.18 ± 2% perf-profile.self.cycles-pp.unmap_single_vma 0.00 +0.2 0.18 ± 4% perf-profile.self.cycles-pp.__x86_retpoline_r9 0.00 +0.2 0.18 ± 2% perf-profile.self.cycles-pp.userfaultfd_unmap_complete 0.00 +0.2 0.19 ± 4% perf-profile.self.cycles-pp.free_pgtables 0.00 +0.2 0.19 ± 3% perf-profile.self.cycles-pp.unlink_anon_vmas 0.00 +0.2 0.19 ± 2% perf-profile.self.cycles-pp.userfaultfd_unmap_prep 0.00 +0.2 0.19 ± 2% perf-profile.self.cycles-pp.blocking_notifier_call_chain 0.00 +0.2 0.20 ± 4% perf-profile.self.cycles-pp.remove_vma 0.00 +0.2 0.20 ± 2% perf-profile.self.cycles-pp.cap_capable 0.00 +0.2 0.20 ± 4% perf-profile.self.cycles-pp.may_expand_vm 0.00 +0.2 0.21 ± 2% perf-profile.self.cycles-pp.vma_merge 0.00 +0.2 0.23 perf-profile.self.cycles-pp.fpregs_assert_state_consistent 0.00 +0.2 0.24 ± 3% perf-profile.self.cycles-pp.lru_add_drain_cpu 0.00 +0.3 0.26 perf-profile.self.cycles-pp.__syscall_return_slowpath 0.00 +0.3 0.26 ± 4% perf-profile.self.cycles-pp.vmacache_update 0.00 +0.3 0.26 perf-profile.self.cycles-pp.cap_mmap_file 0.00 +0.3 0.26 ± 3% perf-profile.self.cycles-pp.up_write 0.00 +0.3 0.27 perf-profile.self.cycles-pp.ksys_mmap_pgoff 0.00 +0.3 0.27 perf-profile.self.cycles-pp.unmap_region 0.00 +0.3 0.28 perf-profile.self.cycles-pp.strlcpy 0.00 +0.3 0.28 ± 3% perf-profile.self.cycles-pp.__x64_sys_mmap 0.00 +0.3 0.29 ± 3% perf-profile.self.cycles-pp.vma_link 0.00 +0.3 0.29 perf-profile.self.cycles-pp.__prepare_exit_to_usermode 0.00 +0.3 0.31 ± 2% perf-profile.self.cycles-pp.cap_mmap_addr 0.00 +0.3 0.31 perf-profile.self.cycles-pp.__vm_munmap 0.00 +0.3 0.35 perf-profile.self.cycles-pp.downgrade_write 0.00 +0.4 0.36 ± 2% perf-profile.self.cycles-pp.memcpy_erms 0.00 +0.4 0.36 ± 2% perf-profile.self.cycles-pp.apparmor_mmap_file 0.00 +0.4 0.37 perf-profile.self.cycles-pp.__x64_sys_munmap 0.00 +0.4 0.38 perf-profile.self.cycles-pp.unmap_vmas 0.21 +0.4 0.59 perf-profile.self.cycles-pp.kmem_cache_alloc 0.00 +0.4 0.38 ± 2% perf-profile.self.cycles-pp.cap_vm_enough_memory 0.00 +0.4 0.39 perf-profile.self.cycles-pp.tlb_finish_mmu 0.00 +0.4 0.39 ± 3% perf-profile.self.cycles-pp.get_unmapped_area 0.00 +0.4 0.39 perf-profile.self.cycles-pp.tlb_gather_mmu 0.00 +0.4 0.40 perf-profile.self.cycles-pp.vm_mmap_pgoff 0.00 +0.5 0.46 perf-profile.self.cycles-pp.__x86_retpoline_rax 0.00 +0.5 0.48 perf-profile.self.cycles-pp.free_pgd_range 0.00 +0.5 0.49 perf-profile.self.cycles-pp.kmem_cache_free 0.00 +0.5 0.50 ± 2% perf-profile.self.cycles-pp.security_mmap_file 0.00 +0.5 0.52 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe 0.00 +0.5 0.54 perf-profile.self.cycles-pp.down_write_killable 0.00 +0.6 0.58 perf-profile.self.cycles-pp.munmap 0.00 +0.7 0.68 perf-profile.self.cycles-pp.mmap64 0.00 +0.7 0.68 perf-profile.self.cycles-pp.__might_sleep 0.00 +0.7 0.69 perf-profile.self.cycles-pp.__vma_rb_erase 0.00 +0.7 0.71 perf-profile.self.cycles-pp.vm_area_alloc 0.00 +0.8 0.78 perf-profile.self.cycles-pp.arch_get_unmapped_area_topdown 0.00 +0.9 0.88 perf-profile.self.cycles-pp.do_mmap 0.00 +1.0 0.97 perf-profile.self.cycles-pp.vmacache_find 0.00 +1.1 1.10 perf-profile.self.cycles-pp.vm_unmapped_area 0.01 ±173% +1.1 1.12 ± 2% perf-profile.self.cycles-pp.perf_iterate_sb 0.00 +1.2 1.22 perf-profile.self.cycles-pp.perf_event_mmap_output 0.00 +1.3 1.26 perf-profile.self.cycles-pp.mmap_region 0.06 +1.3 1.39 perf-profile.self.cycles-pp.find_vma 0.03 ±100% +1.3 1.36 perf-profile.self.cycles-pp.perf_event_mmap 0.05 ± 8% +1.6 1.60 perf-profile.self.cycles-pp.__do_munmap 0.00 +1.6 1.61 perf-profile.self.cycles-pp.__vma_link_rb 0.07 +2.3 2.39 perf-profile.self.cycles-pp.rcu_all_qs 0.10 ± 4% +2.6 2.69 perf-profile.self.cycles-pp._cond_resched 0.24 +5.8 6.04 perf-profile.self.cycles-pp.entry_SYSCALL_64 0.27 +6.6 6.91 perf-profile.self.cycles-pp.syscall_return_via_sysret 0.25 +7.2 7.46 perf-profile.self.cycles-pp.free_p4d_range 0.47 +8.8 9.28 perf-profile.self.cycles-pp.do_syscall_64 0.51 +13.7 14.24 perf-profile.self.cycles-pp.___might_sleep 0.56 ± 2% +16.9 17.48 perf-profile.self.cycles-pp.unmap_page_range will-it-scale.per_process_ops 250000 +------------------------------------------------------------------+ | | | | 200000 |-+ | | | | | 150000 |-+ | | | 100000 |-+ | | | | | 50000 |-+ | | | |+.++.++.+++.++.++.+++.++.++.+++.++.+++.++.++.+++.++.++.+++.++.++.+| 0 +------------------------------------------------------------------+ will-it-scale.workload 3e+07 +-----------------------------------------------------------------+ | | 2.5e+07 |O+OO OOO OO OOO OO O | | | | | 2e+07 |-+ | | | 1.5e+07 |-+ | | | 1e+07 |-+ | | | | | 5e+06 |-+ | |+.++.+++.++.+++.++.+++.++.+++.++.++.+++.++.+++.++.+++.++.+++.++.+| 0 +-----------------------------------------------------------------+ [*] bisect-good sample [O] bisect-bad sample 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. Thanks, Rong Chen