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Message-ID: <20150313074248.GA20912@gmail.com>
Date: Fri, 13 Mar 2015 08:42:48 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Huang Ying <ying.huang@...el.com>
Cc: Davidlohr Bueso <dave@...olabs.net>,
LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>,
Davidlohr Bueso <dbueso@...e.de>,
Peter Zijlstra <peterz@...radead.org>,
Jason Low <jason.low2@...com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Michel Lespinasse <walken@...gle.com>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Tim Chen <tim.c.chen@...ux.intel.com>,
Thomas Gleixner <tglx@...utronix.de>,
Mike Galbraith <efault@....de>
Subject: Re: [LKP] [locking/rwsem] b3fd4f03ca0: -11.1%
vm-scalability.throughput
* Huang Ying <ying.huang@...el.com> wrote:
> Sorry for duplicated email. Forget to send to the patch author.
You also forgot to Cc: the gents in the commit log - all those nice
Cc: fields listed there are useful when discussing problems with a
commit, so I've added them.
(Regression report quoted below.)
Thanks,
Ingo
>
> FYI, we noticed the below changes on
>
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> commit b3fd4f03ca0b9952221f39ae6790e698bf4b39e7 ("locking/rwsem: Avoid deceiving lock spinners")
>
>
> testbox/testcase/testparams: brickland3/vm-scalability/performance-300s-small-allocs
>
> 7a215f89a0335582 b3fd4f03ca0b9952221f39ae67
> ---------------- --------------------------
> %stddev %change %stddev
> \ | \
> 2.38 ± 18% +247.4% 8.27 ± 16% vm-scalability.stddev
> 24226456 ± 0% -23.0% 18650874 ± 1% vm-scalability.time.voluntary_context_switches
> 1622 ± 0% -15.6% 1369 ± 1% vm-scalability.time.system_time
> 765 ± 0% -13.1% 665 ± 1% vm-scalability.time.percent_of_cpu_this_job_got
> 1036 ± 0% -11.9% 914 ± 1% vm-scalability.time.user_time
> 7.244e+08 ± 0% -11.1% 6.439e+08 ± 1% vm-scalability.time.minor_page_faults
> 10841276 ± 0% -11.1% 9639981 ± 1% vm-scalability.throughput
> 8922883 ± 3% -70.2% 2658543 ± 4% cpuidle.C1-IVT-4S.usage
> 1.19e+10 ± 2% -66.2% 4.016e+09 ± 4% cpuidle.C1-IVT-4S.time
> 1.97 ± 4% +106.7% 4.08 ± 6% perf-profile.cpu-cycles.intel_idle.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_secondary
> 58.29 ± 1% -50.2% 29.03 ± 2% turbostat.CPU%c1
> 34.84 ± 2% +86.6% 65.01 ± 1% turbostat.CPU%c6
> 170814 ± 7% -39.9% 102682 ± 11% sched_debug.cpu#21.sched_goidle
> 367762 ± 11% -39.9% 220850 ± 10% sched_debug.cpu#26.sched_count
> 5.12 ± 2% -39.8% 3.08 ± 5% perf-profile.cpu-cycles.osq_lock.rwsem_down_write_failed.call_rwsem_down_write_failed.vma_link.mmap_region
> 342453 ± 7% -39.9% 205985 ± 11% sched_debug.cpu#21.nr_switches
> 3.14 ± 2% +68.0% 5.28 ± 5% perf-profile.cpu-cycles.cpuidle_enter_state.cpuidle_enter.cpu_startup_entry.start_secondary
> 170317 ± 6% -39.9% 102389 ± 11% sched_debug.cpu#22.sched_goidle
> 168710 ± 6% -38.4% 103876 ± 11% sched_debug.cpu#23.sched_goidle
> 341400 ± 6% -39.8% 205416 ± 11% sched_debug.cpu#22.nr_switches
> 338590 ± 6% -38.5% 208381 ± 11% sched_debug.cpu#23.nr_switches
> 165879 ± 4% -36.6% 105178 ± 10% sched_debug.cpu#18.sched_goidle
> 168958 ± 6% -39.0% 103043 ± 11% sched_debug.cpu#20.sched_goidle
> 359148 ± 5% -39.2% 218455 ± 11% sched_debug.cpu#20.sched_count
> 332511 ± 4% -36.5% 211029 ± 10% sched_debug.cpu#18.nr_switches
> 338875 ± 6% -39.0% 206782 ± 11% sched_debug.cpu#20.nr_switches
> 359968 ± 6% -39.4% 218057 ± 12% sched_debug.cpu#21.sched_count
> 166207 ± 4% -38.5% 102168 ± 11% sched_debug.cpu#27.sched_goidle
> 164881 ± 6% -37.0% 103846 ± 11% sched_debug.cpu#25.sched_goidle
> 330721 ± 6% -37.0% 208344 ± 11% sched_debug.cpu#25.nr_switches
> 333161 ± 4% -38.3% 205591 ± 11% sched_debug.cpu#27.nr_switches
> 362674 ± 7% -40.1% 217123 ± 10% sched_debug.cpu#22.sched_count
> 350433 ± 7% -37.3% 219595 ± 13% sched_debug.cpu#15.nr_switches
> 174599 ± 7% -37.4% 109366 ± 13% sched_debug.cpu#15.sched_goidle
> 174038 ± 9% -36.8% 109941 ± 12% sched_debug.cpu#17.sched_goidle
> 348896 ± 9% -36.7% 220793 ± 12% sched_debug.cpu#17.nr_switches
> 327443 ± 6% -36.8% 207015 ± 11% sched_debug.cpu#24.nr_switches
> 348687 ± 5% -37.2% 219100 ± 11% sched_debug.cpu#27.sched_count
> 163220 ± 6% -36.9% 103066 ± 11% sched_debug.cpu#24.sched_goidle
> 167997 ± 5% -35.7% 108017 ± 11% sched_debug.cpu#16.sched_goidle
> 365757 ± 10% -38.9% 223561 ± 12% sched_debug.cpu#28.sched_count
> 336756 ± 5% -35.6% 216751 ± 11% sched_debug.cpu#16.nr_switches
> 174236 ± 12% -40.6% 103542 ± 10% sched_debug.cpu#26.sched_goidle
> 349494 ± 12% -40.6% 207718 ± 10% sched_debug.cpu#26.nr_switches
> 175130 ± 10% -39.7% 105573 ± 13% sched_debug.cpu#28.sched_goidle
> 351090 ± 10% -39.6% 212090 ± 13% sched_debug.cpu#28.nr_switches
> 350972 ± 5% -35.2% 227402 ± 10% sched_debug.cpu#19.sched_count
> 343794 ± 5% -36.2% 219297 ± 10% sched_debug.cpu#24.sched_count
> 347268 ± 5% -36.3% 221228 ± 10% sched_debug.cpu#25.sched_count
> 352999 ± 5% -34.1% 232554 ± 9% sched_debug.cpu#16.sched_count
> 354362 ± 7% -37.0% 223292 ± 10% sched_debug.cpu#23.sched_count
> 166091 ± 7% -36.6% 105356 ± 14% sched_debug.cpu#29.sched_goidle
> 350840 ± 6% -35.5% 226331 ± 13% sched_debug.cpu#29.sched_count
> 332928 ± 7% -36.4% 211785 ± 14% sched_debug.cpu#29.nr_switches
> 369396 ± 7% -36.4% 234822 ± 13% sched_debug.cpu#15.sched_count
> 364063 ± 9% -34.6% 238151 ± 11% sched_debug.cpu#17.sched_count
> 349193 ± 4% -35.2% 226315 ± 9% sched_debug.cpu#18.sched_count
> 3.94 ± 1% +49.9% 5.90 ± 5% perf-profile.cpu-cycles.cpuidle_enter.cpu_startup_entry.start_secondary
> 5361900 ± 1% +50.5% 8067121 ± 0% cpuidle.C6-IVT-4S.usage
> 166471 ± 5% -36.3% 106063 ± 10% sched_debug.cpu#19.sched_goidle
> 334078 ± 5% -36.3% 212767 ± 10% sched_debug.cpu#19.nr_switches
> 511523 ± 11% +40.1% 716466 ± 9% sched_debug.cpu#38.avg_idle
> 5141 ± 10% -21.3% 4046 ± 18% sched_debug.cfs_rq[16]:/.avg->runnable_avg_sum
> 185324 ± 6% -28.9% 131826 ± 11% sched_debug.cpu#43.ttwu_count
> 111 ± 10% -21.6% 87 ± 18% sched_debug.cfs_rq[16]:/.tg_runnable_contrib
> 188387 ± 5% -28.4% 134976 ± 11% sched_debug.cpu#35.ttwu_count
> 182306 ± 7% -28.0% 131276 ± 9% sched_debug.cpu#19.ttwu_count
> 181618 ± 5% -28.6% 129685 ± 10% sched_debug.cpu#18.ttwu_count
> 370815 ± 7% -25.5% 276125 ± 11% sched_debug.cpu#38.sched_count
> 178281 ± 7% -25.9% 132044 ± 11% sched_debug.cpu#38.sched_goidle
> 181914 ± 5% -28.0% 130970 ± 8% sched_debug.cpu#16.ttwu_count
> 357347 ± 7% -25.9% 264826 ± 11% sched_debug.cpu#38.nr_switches
> 546593 ± 7% +38.6% 757389 ± 4% sched_debug.cpu#27.avg_idle
> 183057 ± 5% -27.7% 132439 ± 8% sched_debug.cpu#17.ttwu_count
> 174289 ± 8% -25.5% 129871 ± 13% sched_debug.cpu#43.sched_goidle
> 349323 ± 8% -25.4% 260438 ± 13% sched_debug.cpu#43.nr_switches
> 187088 ± 5% -27.4% 135758 ± 10% sched_debug.cpu#36.ttwu_count
> 190589 ± 5% -29.1% 135135 ± 12% sched_debug.cpu#33.ttwu_count
> 179655 ± 10% -28.6% 128343 ± 13% sched_debug.cpu#44.sched_goidle
> 367566 ± 11% -26.0% 271924 ± 14% sched_debug.cpu#43.sched_count
> 360119 ± 10% -28.5% 257380 ± 13% sched_debug.cpu#44.nr_switches
> 177427 ± 5% -25.5% 132241 ± 9% sched_debug.cpu#20.ttwu_count
> 187477 ± 6% -28.9% 133263 ± 11% sched_debug.cpu#39.ttwu_count
> 187313 ± 5% -28.7% 133487 ± 11% sched_debug.cpu#41.ttwu_count
> 192203 ± 4% -28.3% 137818 ± 10% sched_debug.cpu#31.ttwu_count
> 183679 ± 5% -28.1% 132147 ± 10% sched_debug.cpu#44.ttwu_count
> 367665 ± 9% -24.6% 277237 ± 15% sched_debug.cpu#42.sched_count
> 178211 ± 3% -26.9% 130348 ± 8% sched_debug.cpu#23.ttwu_count
> 175478 ± 4% -25.6% 130478 ± 9% sched_debug.cpu#22.ttwu_count
> 186974 ± 6% -27.6% 135310 ± 10% sched_debug.cpu#38.ttwu_count
> 190431 ± 4% -28.0% 137033 ± 11% sched_debug.cpu#32.ttwu_count
> 190722 ± 4% -28.4% 136639 ± 10% sched_debug.cpu#34.ttwu_count
> 175431 ± 8% -25.3% 131079 ± 12% sched_debug.cpu#42.sched_goidle
> 361690 ± 8% -24.8% 272015 ± 13% sched_debug.cpu#39.sched_count
> 351619 ± 8% -25.2% 262838 ± 12% sched_debug.cpu#42.nr_switches
> 175056 ± 6% -24.8% 131564 ± 12% sched_debug.cpu#40.sched_goidle
> 350873 ± 6% -24.8% 263820 ± 12% sched_debug.cpu#40.nr_switches
> 173107 ± 6% -25.3% 129289 ± 13% sched_debug.cpu#37.sched_goidle
> 346966 ± 6% -25.3% 259257 ± 13% sched_debug.cpu#37.nr_switches
> 171359 ± 7% -24.8% 128941 ± 11% sched_debug.cpu#39.sched_goidle
> 343474 ± 7% -24.7% 258590 ± 11% sched_debug.cpu#39.nr_switches
> 375852 ± 12% -28.4% 269206 ± 15% sched_debug.cpu#44.sched_count
> 180303 ± 8% -25.0% 135309 ± 10% sched_debug.cpu#30.sched_goidle
> 177803 ± 5% -25.3% 132893 ± 9% sched_debug.cpu#21.ttwu_count
> 361386 ± 8% -24.9% 271330 ± 10% sched_debug.cpu#30.nr_switches
> 172414 ± 7% -24.9% 129400 ± 13% sched_debug.cpu#41.sched_goidle
> 345579 ± 7% -24.9% 259489 ± 13% sched_debug.cpu#41.nr_switches
> 373591 ± 8% -25.3% 279094 ± 13% sched_debug.cpu#31.sched_count
> 177533 ± 9% -26.9% 129812 ± 12% sched_debug.cpu#36.sched_goidle
> 179094 ± 8% -26.3% 131936 ± 11% sched_debug.cpu#35.sched_goidle
> 376042 ± 8% -26.7% 275458 ± 12% sched_debug.cpu#35.sched_count
> 355841 ± 9% -26.8% 260341 ± 12% sched_debug.cpu#36.nr_switches
> 183165 ± 12% -29.4% 129301 ± 13% sched_debug.cpu#33.sched_goidle
> 371977 ± 9% -27.3% 270521 ± 13% sched_debug.cpu#36.sched_count
> 184524 ± 5% -27.3% 134078 ± 10% sched_debug.cpu#42.ttwu_count
> 204591 ± 7% -22.5% 158606 ± 16% sched_debug.cfs_rq[33]:/.min_vruntime
> 358950 ± 8% -26.3% 264608 ± 11% sched_debug.cpu#35.nr_switches
> 367143 ± 12% -29.4% 259297 ± 13% sched_debug.cpu#33.nr_switches
> 184796 ± 5% -26.7% 135370 ± 8% sched_debug.cpu#15.ttwu_count
> 560186 ± 7% +36.4% 764034 ± 4% sched_debug.cpu#15.avg_idle
> 192024 ± 5% -27.6% 138984 ± 9% sched_debug.cpu#30.ttwu_count
> 186661 ± 5% -27.9% 134534 ± 11% sched_debug.cpu#40.ttwu_count
> 175890 ± 4% -26.4% 129452 ± 8% sched_debug.cpu#26.ttwu_count
> 366664 ± 8% -24.7% 276276 ± 14% sched_debug.cpu#34.sched_count
> 186046 ± 5% -26.7% 136338 ± 10% sched_debug.cpu#37.ttwu_count
> 173138 ± 4% -26.5% 127219 ± 8% sched_debug.cpu#28.ttwu_count
> 231881 ± 4% -26.0% 171683 ± 6% sched_debug.cpu#48.ttwu_count
> 229108 ± 4% -24.5% 173024 ± 5% sched_debug.cpu#47.ttwu_count
> 545213 ± 6% +30.6% 712076 ± 3% sched_debug.cpu#39.avg_idle
> 175780 ± 8% -25.0% 131911 ± 12% sched_debug.cpu#34.sched_goidle
> 352325 ± 8% -24.9% 264519 ± 12% sched_debug.cpu#34.nr_switches
> 368764 ± 7% -25.9% 273326 ± 13% sched_debug.cpu#40.sched_count
> 178369 ± 7% -25.3% 133316 ± 12% sched_debug.cpu#31.sched_goidle
> 357523 ± 7% -25.2% 267329 ± 12% sched_debug.cpu#31.nr_switches
> 445168 ± 6% -21.5% 349498 ± 7% sched_debug.cpu#50.sched_count
> 178502 ± 3% -27.0% 130326 ± 8% sched_debug.cpu#24.ttwu_count
> 232438 ± 4% -25.2% 173912 ± 4% sched_debug.cpu#45.ttwu_count
> 214980 ± 6% -21.3% 169213 ± 7% sched_debug.cpu#50.sched_goidle
> 430801 ± 6% -21.3% 339213 ± 7% sched_debug.cpu#50.nr_switches
> 175354 ± 7% -25.0% 131440 ± 12% sched_debug.cpu#32.sched_goidle
> 351473 ± 7% -25.0% 263573 ± 12% sched_debug.cpu#32.nr_switches
> 175818 ± 4% -25.5% 131027 ± 9% sched_debug.cpu#25.ttwu_count
> 562351 ± 4% +33.0% 747969 ± 7% sched_debug.cpu#17.avg_idle
> 226274 ± 5% -24.6% 170581 ± 5% sched_debug.cpu#54.ttwu_count
> 566741 ± 5% +33.2% 754744 ± 4% sched_debug.cpu#29.avg_idle
> 365692 ± 8% -24.7% 275497 ± 14% sched_debug.cpu#32.sched_count
> 443973 ± 6% -22.1% 345964 ± 7% sched_debug.cpu#51.sched_count
> 360816 ± 8% -25.3% 269548 ± 14% sched_debug.cpu#41.sched_count
> 224711 ± 4% -24.6% 169414 ± 6% sched_debug.cpu#53.ttwu_count
> 380979 ± 13% -28.9% 270783 ± 14% sched_debug.cpu#33.sched_count
> 174502 ± 4% -27.0% 127311 ± 8% sched_debug.cpu#29.ttwu_count
> 573889 ± 4% +32.2% 758635 ± 5% sched_debug.cpu#24.avg_idle
> 523204 ± 10% +29.1% 675536 ± 9% sched_debug.cpu#6.avg_idle
> 173555 ± 4% -25.7% 128988 ± 8% sched_debug.cpu#27.ttwu_count
> 228859 ± 4% -25.2% 171229 ± 6% sched_debug.cpu#49.ttwu_count
> 529356 ± 9% +32.4% 700872 ± 6% sched_debug.cpu#33.avg_idle
> 565916 ± 5% +33.4% 755047 ± 7% sched_debug.cpu#23.avg_idle
> 232257 ± 3% -25.1% 173926 ± 5% sched_debug.cpu#46.ttwu_count
> 227954 ± 4% -24.3% 172631 ± 5% sched_debug.cpu#52.ttwu_count
> 197241 ± 5% -23.5% 150963 ± 8% sched_debug.cpu#4.ttwu_count
> 228392 ± 3% -24.8% 171779 ± 6% sched_debug.cpu#51.ttwu_count
> 542129 ± 5% +28.0% 693751 ± 6% sched_debug.cpu#13.avg_idle
> 364245 ± 8% -25.1% 272652 ± 15% sched_debug.cpu#37.sched_count
> 558275 ± 8% +36.1% 759570 ± 6% sched_debug.cpu#26.avg_idle
> 225027 ± 5% -24.7% 169427 ± 6% sched_debug.cpu#57.ttwu_count
> 17.06 ± 1% -23.0% 13.13 ± 3% perf-profile.cpu-cycles.call_rwsem_down_write_failed.vma_link.mmap_region.do_mmap_pgoff.vm_mmap_pgoff
> 197493 ± 5% -22.8% 152503 ± 8% sched_debug.cpu#2.ttwu_count
> 16.99 ± 1% -23.2% 13.05 ± 3% perf-profile.cpu-cycles.rwsem_down_write_failed.call_rwsem_down_write_failed.vma_link.mmap_region.do_mmap_pgoff
> 223164 ± 4% -24.7% 168105 ± 6% sched_debug.cpu#59.ttwu_count
> 223884 ± 4% -24.6% 168887 ± 4% sched_debug.cpu#58.ttwu_count
> 538073 ± 6% +27.8% 687436 ± 8% sched_debug.cpu#43.avg_idle
> 445916 ± 7% -22.4% 345938 ± 6% sched_debug.cpu#52.sched_count
> 214967 ± 6% -21.9% 167898 ± 6% sched_debug.cpu#52.sched_goidle
> 534156 ± 9% +25.2% 668876 ± 5% sched_debug.cpu#11.avg_idle
> 430800 ± 6% -21.9% 336561 ± 6% sched_debug.cpu#52.nr_switches
> 117 ± 8% -21.7% 91 ± 5% sched_debug.cfs_rq[36]:/.tg_runnable_contrib
> 224801 ± 4% -24.0% 170764 ± 5% sched_debug.cpu#55.ttwu_count
> 225103 ± 4% -24.9% 168953 ± 5% sched_debug.cpu#56.ttwu_count
> 24226456 ± 0% -23.0% 18650874 ± 1% time.voluntary_context_switches
> 5411 ± 8% -21.3% 4256 ± 4% sched_debug.cfs_rq[36]:/.avg->runnable_avg_sum
> 212964 ± 5% -21.5% 167092 ± 6% sched_debug.cpu#51.sched_goidle
> 426769 ± 5% -21.5% 334967 ± 6% sched_debug.cpu#51.nr_switches
> 519159 ± 4% +27.0% 659572 ± 7% sched_debug.cpu#52.avg_idle
> 193464 ± 4% -22.1% 150665 ± 7% sched_debug.cpu#7.ttwu_count
> 226747 ± 4% -24.4% 171347 ± 6% sched_debug.cpu#50.ttwu_count
> 572755 ± 6% +29.0% 738639 ± 4% sched_debug.cpu#25.avg_idle
> 520910 ± 7% +35.0% 703382 ± 6% sched_debug.cpu#32.avg_idle
> 2.696e+10 ± 1% +29.0% 3.478e+10 ± 0% cpuidle.C6-IVT-4S.time
> 530311 ± 12% +31.1% 695099 ± 5% sched_debug.cpu#44.avg_idle
> 204543 ± 8% -20.5% 162661 ± 15% sched_debug.cfs_rq[31]:/.min_vruntime
> 484242 ± 9% +31.7% 637669 ± 8% sched_debug.cpu#47.avg_idle
> 6.85 ± 1% -22.4% 5.32 ± 3% perf-profile.cpu-cycles.rwsem_spin_on_owner.rwsem_down_write_failed.call_rwsem_down_write_failed.vma_link.mmap_region
> 528770 ± 7% +31.6% 695818 ± 6% sched_debug.cpu#40.avg_idle
> 223475 ± 4% -20.9% 176718 ± 6% sched_debug.cfs_rq[52]:/.min_vruntime
> 577331 ± 4% +29.2% 745806 ± 4% sched_debug.cpu#16.avg_idle
> 192821 ± 4% -23.4% 147763 ± 8% sched_debug.cpu#10.ttwu_count
> 198393 ± 4% -23.1% 152635 ± 7% sched_debug.cpu#1.ttwu_count
> 572991 ± 9% +29.0% 738876 ± 3% sched_debug.cpu#18.avg_idle
> 531346 ± 5% +26.8% 673808 ± 6% sched_debug.cpu#35.avg_idle
> 531692 ± 8% +30.0% 691275 ± 7% sched_debug.cpu#36.avg_idle
> 573689 ± 9% +30.1% 746581 ± 3% sched_debug.cpu#28.avg_idle
> 194767 ± 3% -22.1% 151736 ± 7% sched_debug.cpu#6.ttwu_count
> 576252 ± 10% +29.8% 748134 ± 5% sched_debug.cpu#19.avg_idle
> 189779 ± 5% -22.5% 147019 ± 9% sched_debug.cpu#13.ttwu_count
> 574093 ± 9% +28.0% 734982 ± 4% sched_debug.cpu#22.avg_idle
> 530896 ± 7% +25.4% 665864 ± 7% sched_debug.cpu#9.avg_idle
> 222143 ± 5% -19.0% 179889 ± 9% sched_debug.cfs_rq[49]:/.min_vruntime
> 190106 ± 5% -22.4% 147518 ± 7% sched_debug.cpu#14.ttwu_count
> 192933 ± 3% -21.8% 150835 ± 8% sched_debug.cpu#8.ttwu_count
> 193656 ± 4% -22.7% 149678 ± 8% sched_debug.cpu#9.ttwu_count
> 196739 ± 5% -22.9% 151747 ± 7% sched_debug.cpu#3.ttwu_count
> 434909 ± 6% -18.4% 354789 ± 6% sched_debug.cpu#55.sched_count
> 194722 ± 4% -22.0% 151895 ± 8% sched_debug.cpu#5.ttwu_count
> 439285 ± 7% -19.7% 352534 ± 6% sched_debug.cpu#47.sched_count
> 585003 ± 7% +31.4% 768551 ± 5% sched_debug.cpu#20.avg_idle
> 432219 ± 7% -19.5% 347734 ± 7% sched_debug.cpu#48.sched_count
> 224113 ± 5% -18.9% 181798 ± 8% sched_debug.cfs_rq[48]:/.min_vruntime
> 534566 ± 7% +30.3% 696442 ± 6% sched_debug.cpu#31.avg_idle
> 525194 ± 6% +23.5% 648587 ± 7% sched_debug.cpu#7.avg_idle
> 209128 ± 6% -19.4% 168562 ± 7% sched_debug.cpu#48.sched_goidle
> 419098 ± 6% -19.4% 337908 ± 7% sched_debug.cpu#48.nr_switches
> 448417 ± 7% -19.8% 359813 ± 6% sched_debug.cpu#46.sched_count
> 491962 ± 8% +26.7% 623449 ± 4% sched_debug.cpu#48.avg_idle
> 212354 ± 6% -19.7% 170477 ± 5% sched_debug.cpu#47.sched_goidle
> 581409 ± 7% +23.6% 718790 ± 4% sched_debug.cpu#37.avg_idle
> 194066 ± 6% -17.8% 159565 ± 11% sched_debug.cfs_rq[16]:/.min_vruntime
> 425571 ± 6% -19.7% 341752 ± 5% sched_debug.cpu#47.nr_switches
> 215882 ± 7% -19.5% 173827 ± 5% sched_debug.cpu#46.sched_goidle
> 442267 ± 6% -21.4% 347467 ± 6% sched_debug.cpu#59.sched_count
> 432617 ± 7% -19.5% 348457 ± 5% sched_debug.cpu#46.nr_switches
> 569496 ± 11% +32.0% 751590 ± 5% sched_debug.cpu#21.avg_idle
> 189763 ± 5% -22.2% 147705 ± 8% sched_debug.cpu#12.ttwu_count
> 223064 ± 4% -19.3% 179906 ± 5% sched_debug.cfs_rq[53]:/.min_vruntime
> 213869 ± 5% -21.0% 168888 ± 5% sched_debug.cpu#59.sched_goidle
> 428592 ± 5% -21.0% 338537 ± 5% sched_debug.cpu#59.nr_switches
> 441291 ± 6% -19.8% 353975 ± 5% sched_debug.cpu#45.sched_count
> 213493 ± 5% -19.5% 171778 ± 5% sched_debug.cpu#45.sched_goidle
> 427837 ± 5% -19.5% 344360 ± 5% sched_debug.cpu#45.nr_switches
> 191795 ± 5% -22.6% 148369 ± 8% sched_debug.cpu#11.ttwu_count
> 194309 ± 6% -19.3% 156815 ± 8% sched_debug.cfs_rq[17]:/.min_vruntime
> 221301 ± 5% -20.9% 175025 ± 7% sched_debug.cfs_rq[56]:/.min_vruntime
> 538571 ± 8% +24.4% 670227 ± 8% sched_debug.cpu#3.avg_idle
> 223672 ± 5% -18.9% 181388 ± 7% sched_debug.cfs_rq[47]:/.min_vruntime
> 425387 ± 7% -18.3% 347554 ± 7% sched_debug.cpu#54.sched_count
> 199287 ± 6% -21.7% 156117 ± 12% sched_debug.cfs_rq[15]:/.min_vruntime
> 1.00 ± 5% -15.8% 0.84 ± 6% perf-profile.cpu-cycles.kmem_cache_alloc_trace.perf_event_mmap.mmap_region.do_mmap_pgoff.vm_mmap_pgoff
> 385907 ± 8% -23.7% 294552 ± 10% sched_debug.cpu#6.sched_count
> 493228 ± 5% +27.4% 628579 ± 8% sched_debug.cpu#54.avg_idle
> 185090 ± 8% -23.0% 142559 ± 10% sched_debug.cpu#6.sched_goidle
> 542727 ± 8% +27.5% 691759 ± 4% sched_debug.cpu#42.avg_idle
> 209830 ± 6% -18.0% 172096 ± 6% sched_debug.cpu#55.sched_goidle
> 370989 ± 8% -23.0% 285813 ± 10% sched_debug.cpu#6.nr_switches
> 420473 ± 6% -18.0% 344973 ± 6% sched_debug.cpu#55.nr_switches
> 201389 ± 4% -20.7% 159785 ± 7% sched_debug.cpu#0.ttwu_count
> 365245 ± 7% -20.1% 291843 ± 9% sched_debug.cpu#5.sched_count
> 176316 ± 7% -19.7% 141647 ± 9% sched_debug.cpu#5.sched_goidle
> 353385 ± 7% -19.6% 284000 ± 9% sched_debug.cpu#5.nr_switches
> 430699 ± 7% -20.6% 341980 ± 7% sched_debug.cpu#53.sched_count
> 434688 ± 7% -17.9% 356994 ± 7% sched_debug.cpu#58.sched_count
> 910 ± 11% -15.6% 767 ± 12% sched_debug.cpu#34.ttwu_local
> 194153 ± 7% -16.9% 161410 ± 5% sched_debug.cfs_rq[19]:/.min_vruntime
> 435164 ± 10% -20.0% 348238 ± 7% sched_debug.cpu#56.sched_count
> 25686 ± 0% -18.8% 20849 ± 1% softirqs.HRTIMER
> 205841 ± 7% -18.6% 167608 ± 6% sched_debug.cpu#54.sched_goidle
> 412493 ± 7% -18.5% 335995 ± 6% sched_debug.cpu#54.nr_switches
> 209629 ± 7% -17.5% 172950 ± 7% sched_debug.cpu#58.sched_goidle
> 420079 ± 7% -17.5% 346715 ± 7% sched_debug.cpu#58.nr_switches
> 190909 ± 5% -19.3% 154071 ± 8% sched_debug.cfs_rq[26]:/.min_vruntime
> 535739 ± 10% +25.8% 674192 ± 3% sched_debug.cpu#41.avg_idle
> 220505 ± 5% -17.2% 182496 ± 10% sched_debug.cfs_rq[57]:/.min_vruntime
> 207365 ± 6% -19.9% 166054 ± 7% sched_debug.cpu#53.sched_goidle
> 415569 ± 6% -19.9% 332885 ± 7% sched_debug.cpu#53.nr_switches
> 433052 ± 7% -19.5% 348641 ± 8% sched_debug.cpu#57.sched_count
> 534493 ± 4% +25.6% 671066 ± 4% sched_debug.cpu#2.avg_idle
> 1.02 ± 2% -20.2% 0.81 ± 8% perf-profile.cpu-cycles.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer.__run_hrtimer
> 5217 ± 12% -17.6% 4297 ± 9% sched_debug.cfs_rq[26]:/.avg->runnable_avg_sum
> 209594 ± 6% -19.1% 169509 ± 8% sched_debug.cpu#57.sched_goidle
> 420012 ± 6% -19.1% 339802 ± 8% sched_debug.cpu#57.nr_switches
> 503208 ± 10% +25.5% 631683 ± 7% sched_debug.cpu#55.avg_idle
> 113 ± 12% -17.9% 92 ± 9% sched_debug.cfs_rq[26]:/.tg_runnable_contrib
> 549109 ± 5% +22.6% 673144 ± 6% sched_debug.cpu#14.avg_idle
> 210495 ± 9% -19.7% 169109 ± 7% sched_debug.cpu#56.sched_goidle
> 421839 ± 9% -19.6% 338979 ± 7% sched_debug.cpu#56.nr_switches
> 221205 ± 4% -17.6% 182374 ± 7% sched_debug.cfs_rq[50]:/.min_vruntime
> 502758 ± 6% +23.1% 618755 ± 7% sched_debug.cpu#46.avg_idle
> 222043 ± 4% -18.6% 180727 ± 10% sched_debug.cfs_rq[51]:/.min_vruntime
> 221617 ± 4% -18.3% 181127 ± 8% sched_debug.cfs_rq[55]:/.min_vruntime
> 557533 ± 11% +22.2% 681218 ± 7% sched_debug.cpu#12.avg_idle
> 187238 ± 6% -17.7% 154099 ± 10% sched_debug.cfs_rq[29]:/.min_vruntime
> 551333 ± 10% +22.2% 673592 ± 7% sched_debug.cpu#34.avg_idle
> 224579 ± 4% -16.6% 187288 ± 9% sched_debug.cfs_rq[54]:/.min_vruntime
> 184873 ± 6% -15.9% 155439 ± 8% sched_debug.cfs_rq[28]:/.min_vruntime
> 206172 ± 6% -18.2% 168730 ± 7% sched_debug.cpu#49.sched_goidle
> 413179 ± 6% -18.1% 338238 ± 7% sched_debug.cpu#49.nr_switches
> 225157 ± 5% -16.4% 188227 ± 9% sched_debug.cfs_rq[46]:/.min_vruntime
> 175150 ± 5% -16.9% 145619 ± 11% sched_debug.cpu#3.sched_goidle
> 351054 ± 5% -16.8% 291944 ± 11% sched_debug.cpu#3.nr_switches
> 564018 ± 3% +21.0% 682616 ± 6% sched_debug.cpu#4.avg_idle
> 5529 ± 8% -18.1% 4527 ± 11% sched_debug.cfs_rq[39]:/.avg->runnable_avg_sum
> 600812 ± 5% -15.3% 508926 ± 9% numa-vmstat.node2.numa_local
> 187471 ± 4% -18.5% 152874 ± 10% sched_debug.cfs_rq[22]:/.min_vruntime
> 19730 ± 6% -13.7% 17025 ± 9% sched_debug.cfs_rq[26]:/.exec_clock
> 425149 ± 6% -18.2% 347836 ± 7% sched_debug.cpu#49.sched_count
> 22908 ± 5% -12.9% 19945 ± 5% sched_debug.cfs_rq[58]:/.exec_clock
> 191793 ± 4% -16.6% 160031 ± 10% sched_debug.cfs_rq[24]:/.min_vruntime
> 14.49 ± 0% +16.4% 16.87 ± 2% perf-profile.cpu-cycles.start_secondary
> 514287 ± 10% +19.7% 615733 ± 6% sched_debug.cpu#58.avg_idle
> 1622 ± 0% -15.6% 1369 ± 1% time.system_time
> 14.45 ± 0% +16.2% 16.80 ± 2% perf-profile.cpu-cycles.cpu_startup_entry.start_secondary
> 1117 ± 6% -12.1% 982 ± 3% proc-vmstat.pgmigrate_success
> 1117 ± 6% -12.1% 982 ± 3% proc-vmstat.numa_pages_migrated
> 23520 ± 4% -14.0% 20233 ± 6% sched_debug.cfs_rq[48]:/.exec_clock
> 372296 ± 1% -18.0% 305136 ± 9% sched_debug.cpu#2.sched_count
> 218377 ± 6% -16.5% 182283 ± 6% sched_debug.cfs_rq[58]:/.min_vruntime
> 548860 ± 8% +25.4% 688468 ± 6% sched_debug.cpu#8.avg_idle
> 224066 ± 5% -17.7% 184445 ± 8% sched_debug.cfs_rq[45]:/.min_vruntime
> 23172 ± 4% -12.9% 20184 ± 5% sched_debug.cfs_rq[52]:/.exec_clock
> 947362 ± 3% -14.4% 810580 ± 7% numa-numastat.node2.local_node
> 22992 ± 5% -12.9% 20026 ± 7% sched_debug.cfs_rq[59]:/.exec_clock
> 23572 ± 4% -12.3% 20668 ± 5% sched_debug.cfs_rq[46]:/.exec_clock
> 6293 ± 8% -16.0% 5288 ± 8% sched_debug.cfs_rq[47]:/.avg->runnable_avg_sum
> 23545 ± 4% -13.3% 20402 ± 6% sched_debug.cfs_rq[47]:/.exec_clock
> 7 ± 0% -14.3% 6 ± 0% vmstat.procs.r
> 136 ± 8% -16.3% 114 ± 8% sched_debug.cfs_rq[47]:/.tg_runnable_contrib
> 952018 ± 3% -14.1% 817562 ± 7% numa-numastat.node2.numa_hit
> 684874 ± 4% -13.1% 595283 ± 7% numa-vmstat.node2.numa_hit
> 22864 ± 5% -12.7% 19967 ± 5% sched_debug.cfs_rq[57]:/.exec_clock
> 190734 ± 5% -16.3% 159695 ± 8% sched_debug.cfs_rq[23]:/.min_vruntime
> 237300 ± 6% -14.9% 202014 ± 7% numa-vmstat.node3.nr_page_table_pages
> 949123 ± 6% -14.9% 808058 ± 7% numa-meminfo.node3.PageTables
> 11.45 ± 4% +12.2% 12.84 ± 7% perf-profile.cpu-cycles.task_numa_work.task_work_run.do_notify_resume.retint_signal
> 561716 ± 7% +22.7% 689210 ± 5% sched_debug.cpu#10.avg_idle
> 23421 ± 4% -12.5% 20484 ± 5% sched_debug.cfs_rq[45]:/.exec_clock
> 23090 ± 4% -13.4% 19999 ± 6% sched_debug.cfs_rq[53]:/.exec_clock
> 2257945 ± 6% -14.5% 1929848 ± 7% numa-meminfo.node3.SUnreclaim
> 564591 ± 6% -14.5% 482457 ± 7% numa-vmstat.node3.nr_slab_unreclaimable
> 7903 ± 0% -13.6% 6830 ± 1% sched_debug.cfs_rq[11]:/.tg->runnable_avg
> 522411 ± 6% +15.9% 605704 ± 4% sched_debug.cpu#59.avg_idle
> 7899 ± 0% -13.6% 6827 ± 1% sched_debug.cfs_rq[10]:/.tg->runnable_avg
> 7884 ± 0% -13.6% 6811 ± 1% sched_debug.cfs_rq[2]:/.tg->runnable_avg
> 7913 ± 0% -13.6% 6839 ± 1% sched_debug.cfs_rq[14]:/.tg->runnable_avg
> 2272179 ± 6% -14.4% 1944358 ± 7% numa-meminfo.node3.Slab
> 7896 ± 0% -13.6% 6826 ± 1% sched_debug.cfs_rq[9]:/.tg->runnable_avg
> 7894 ± 0% -13.6% 6822 ± 1% sched_debug.cfs_rq[8]:/.tg->runnable_avg
> 7877 ± 0% -13.6% 6802 ± 1% sched_debug.cfs_rq[0]:/.tg->runnable_avg
> 7890 ± 0% -13.6% 6817 ± 1% sched_debug.cfs_rq[4]:/.tg->runnable_avg
> 7891 ± 0% -13.6% 6816 ± 1% sched_debug.cfs_rq[5]:/.tg->runnable_avg
> 7894 ± 0% -13.6% 6823 ± 1% sched_debug.cfs_rq[7]:/.tg->runnable_avg
> 512300 ± 6% +18.2% 605480 ± 9% sched_debug.cpu#50.avg_idle
> 7908 ± 0% -13.6% 6836 ± 1% sched_debug.cfs_rq[13]:/.tg->runnable_avg
> 7888 ± 0% -13.6% 6814 ± 1% sched_debug.cfs_rq[3]:/.tg->runnable_avg
> 7916 ± 0% -13.6% 6843 ± 1% sched_debug.cfs_rq[15]:/.tg->runnable_avg
> 7892 ± 0% -13.6% 6818 ± 1% sched_debug.cfs_rq[6]:/.tg->runnable_avg
> 178921 ± 1% -17.9% 146921 ± 9% sched_debug.cpu#2.sched_goidle
> 7918 ± 0% -13.5% 6848 ± 1% sched_debug.cfs_rq[16]:/.tg->runnable_avg
> 7883 ± 0% -13.6% 6809 ± 1% sched_debug.cfs_rq[1]:/.tg->runnable_avg
> 7903 ± 0% -13.5% 6832 ± 1% sched_debug.cfs_rq[12]:/.tg->runnable_avg
> 7930 ± 0% -13.5% 6861 ± 1% sched_debug.cfs_rq[20]:/.tg->runnable_avg
> 7925 ± 0% -13.5% 6859 ± 1% sched_debug.cfs_rq[19]:/.tg->runnable_avg
> 7921 ± 0% -13.5% 6852 ± 1% sched_debug.cfs_rq[17]:/.tg->runnable_avg
> 7932 ± 0% -13.4% 6866 ± 1% sched_debug.cfs_rq[21]:/.tg->runnable_avg
> 358611 ± 1% -17.9% 294548 ± 9% sched_debug.cpu#2.nr_switches
> 7922 ± 0% -13.4% 6857 ± 1% sched_debug.cfs_rq[18]:/.tg->runnable_avg
> 7985 ± 0% -13.4% 6918 ± 1% sched_debug.cfs_rq[36]:/.tg->runnable_avg
> 555502 ± 4% +16.3% 646081 ± 5% sched_debug.cpu#5.avg_idle
> 7944 ± 0% -13.5% 6876 ± 1% sched_debug.cfs_rq[24]:/.tg->runnable_avg
> 7994 ± 0% -13.4% 6926 ± 1% sched_debug.cfs_rq[39]:/.tg->runnable_avg
> 7959 ± 0% -13.4% 6892 ± 1% sched_debug.cfs_rq[28]:/.tg->runnable_avg
> 7997 ± 0% -13.3% 6930 ± 1% sched_debug.cfs_rq[40]:/.tg->runnable_avg
> 7962 ± 0% -13.4% 6895 ± 1% sched_debug.cfs_rq[29]:/.tg->runnable_avg
> 7935 ± 0% -13.4% 6869 ± 1% sched_debug.cfs_rq[22]:/.tg->runnable_avg
> 7982 ± 0% -13.4% 6915 ± 1% sched_debug.cfs_rq[35]:/.tg->runnable_avg
> 8000 ± 0% -13.3% 6932 ± 1% sched_debug.cfs_rq[41]:/.tg->runnable_avg
> 7951 ± 0% -13.4% 6884 ± 1% sched_debug.cfs_rq[26]:/.tg->runnable_avg
> 7954 ± 0% -13.4% 6889 ± 1% sched_debug.cfs_rq[27]:/.tg->runnable_avg
> 7976 ± 0% -13.4% 6911 ± 1% sched_debug.cfs_rq[34]:/.tg->runnable_avg
> 7937 ± 0% -13.4% 6872 ± 1% sched_debug.cfs_rq[23]:/.tg->runnable_avg
> 8003 ± 0% -13.3% 6937 ± 1% sched_debug.cfs_rq[43]:/.tg->runnable_avg
> 765 ± 0% -13.1% 665 ± 1% time.percent_of_cpu_this_job_got
> 7964 ± 0% -13.4% 6896 ± 1% sched_debug.cfs_rq[30]:/.tg->runnable_avg
> 7987 ± 0% -13.4% 6919 ± 1% sched_debug.cfs_rq[37]:/.tg->runnable_avg
> 8027 ± 0% -13.3% 6961 ± 1% sched_debug.cfs_rq[50]:/.tg->runnable_avg
> 7988 ± 0% -13.4% 6921 ± 1% sched_debug.cfs_rq[38]:/.tg->runnable_avg
> 7946 ± 0% -13.4% 6883 ± 1% sched_debug.cfs_rq[25]:/.tg->runnable_avg
> 8025 ± 0% -13.3% 6955 ± 1% sched_debug.cfs_rq[48]:/.tg->runnable_avg
> 8012 ± 0% -13.3% 6944 ± 1% sched_debug.cfs_rq[45]:/.tg->runnable_avg
> 7974 ± 0% -13.3% 6909 ± 1% sched_debug.cfs_rq[33]:/.tg->runnable_avg
> 1.13 ± 1% -14.8% 0.96 ± 7% perf-profile.cpu-cycles.update_process_times.tick_sched_handle.tick_sched_timer.__run_hrtimer.hrtimer_interrupt
> 8000 ± 0% -13.3% 6933 ± 1% sched_debug.cfs_rq[42]:/.tg->runnable_avg
> 8035 ± 0% -13.3% 6969 ± 1% sched_debug.cfs_rq[51]:/.tg->runnable_avg
> 8024 ± 0% -13.3% 6954 ± 1% sched_debug.cfs_rq[47]:/.tg->runnable_avg
> 8014 ± 0% -13.3% 6950 ± 1% sched_debug.cfs_rq[46]:/.tg->runnable_avg
> 8026 ± 0% -13.3% 6959 ± 1% sched_debug.cfs_rq[49]:/.tg->runnable_avg
> 7968 ± 0% -13.4% 6902 ± 1% sched_debug.cfs_rq[31]:/.tg->runnable_avg
> 37.12 ± 0% -12.9% 32.34 ± 2% perf-profile.cpu-cycles.vma_link.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.sys_mmap_pgoff
> 8007 ± 0% -13.4% 6938 ± 1% sched_debug.cfs_rq[44]:/.tg->runnable_avg
> 8037 ± 0% -13.2% 6973 ± 1% sched_debug.cfs_rq[52]:/.tg->runnable_avg
> 7968 ± 0% -13.3% 6906 ± 1% sched_debug.cfs_rq[32]:/.tg->runnable_avg
> 1.13 ± 1% -14.1% 0.97 ± 7% perf-profile.cpu-cycles.tick_sched_handle.isra.18.tick_sched_timer.__run_hrtimer.hrtimer_interrupt.local_apic_timer_interrupt
> 8068 ± 0% -13.1% 7007 ± 1% sched_debug.cfs_rq[63]:/.tg->runnable_avg
> 8040 ± 0% -13.2% 6977 ± 1% sched_debug.cfs_rq[53]:/.tg->runnable_avg
> 8053 ± 0% -13.2% 6990 ± 1% sched_debug.cfs_rq[57]:/.tg->runnable_avg
> 8064 ± 0% -13.1% 7004 ± 1% sched_debug.cfs_rq[61]:/.tg->runnable_avg
> 8049 ± 0% -13.2% 6985 ± 1% sched_debug.cfs_rq[56]:/.tg->runnable_avg
> 8070 ± 0% -13.1% 7009 ± 1% sched_debug.cfs_rq[64]:/.tg->runnable_avg
> 3595633 ± 5% -12.9% 3133416 ± 6% numa-meminfo.node3.MemUsed
> 8055 ± 0% -13.2% 6993 ± 1% sched_debug.cfs_rq[58]:/.tg->runnable_avg
> 8071 ± 0% -13.1% 7014 ± 1% sched_debug.cfs_rq[65]:/.tg->runnable_avg
> 8046 ± 0% -13.2% 6983 ± 1% sched_debug.cfs_rq[55]:/.tg->runnable_avg
> 8045 ± 0% -13.3% 6978 ± 1% sched_debug.cfs_rq[54]:/.tg->runnable_avg
> 8086 ± 0% -13.1% 7027 ± 1% sched_debug.cfs_rq[71]:/.tg->runnable_avg
> 8137 ± 0% -13.0% 7080 ± 1% sched_debug.cfs_rq[91]:/.tg->runnable_avg
> 8081 ± 0% -13.1% 7022 ± 1% sched_debug.cfs_rq[68]:/.tg->runnable_avg
> 8076 ± 0% -13.1% 7017 ± 1% sched_debug.cfs_rq[66]:/.tg->runnable_avg
> 8062 ± 0% -13.1% 7002 ± 1% sched_debug.cfs_rq[60]:/.tg->runnable_avg
> 8139 ± 0% -12.9% 7085 ± 1% sched_debug.cfs_rq[92]:/.tg->runnable_avg
> 8088 ± 0% -13.1% 7031 ± 1% sched_debug.cfs_rq[72]:/.tg->runnable_avg
> 8064 ± 0% -13.1% 7006 ± 1% sched_debug.cfs_rq[62]:/.tg->runnable_avg
> 8143 ± 0% -12.9% 7090 ± 1% sched_debug.cfs_rq[94]:/.tg->runnable_avg
> 41932371 ± 0% -13.0% 36489731 ± 1% slabinfo.vm_area_struct.active_objs
> 8078 ± 0% -13.1% 7019 ± 1% sched_debug.cfs_rq[67]:/.tg->runnable_avg
> 8083 ± 0% -13.1% 7025 ± 1% sched_debug.cfs_rq[69]:/.tg->runnable_avg
> 8058 ± 0% -13.2% 6997 ± 1% sched_debug.cfs_rq[59]:/.tg->runnable_avg
> 8142 ± 0% -12.9% 7089 ± 1% sched_debug.cfs_rq[93]:/.tg->runnable_avg
> 8084 ± 0% -13.1% 7028 ± 1% sched_debug.cfs_rq[70]:/.tg->runnable_avg
> 8134 ± 0% -13.0% 7078 ± 1% sched_debug.cfs_rq[90]:/.tg->runnable_avg
> 8123 ± 0% -13.1% 7062 ± 1% sched_debug.cfs_rq[84]:/.tg->runnable_avg
> 3274295 ± 0% -13.0% 2849232 ± 1% meminfo.PageTables
> 818565 ± 0% -13.0% 712300 ± 1% proc-vmstat.nr_page_table_pages
> 8094 ± 0% -13.0% 7038 ± 1% sched_debug.cfs_rq[74]:/.tg->runnable_avg
> 8133 ± 0% -13.0% 7077 ± 1% sched_debug.cfs_rq[89]:/.tg->runnable_avg
> 8103 ± 0% -13.0% 7046 ± 1% sched_debug.cfs_rq[77]:/.tg->runnable_avg
> 8144 ± 0% -12.9% 7094 ± 1% sched_debug.cfs_rq[95]:/.tg->runnable_avg
> 8146 ± 0% -12.9% 7096 ± 1% sched_debug.cfs_rq[96]:/.tg->runnable_avg
> 8128 ± 0% -13.0% 7070 ± 1% sched_debug.cfs_rq[86]:/.tg->runnable_avg
> 8091 ± 0% -13.0% 7035 ± 1% sched_debug.cfs_rq[73]:/.tg->runnable_avg
> 536950 ± 10% +23.4% 662508 ± 6% sched_debug.cpu#30.avg_idle
> 8096 ± 0% -13.1% 7039 ± 1% sched_debug.cfs_rq[75]:/.tg->runnable_avg
> 8127 ± 0% -13.0% 7067 ± 1% sched_debug.cfs_rq[85]:/.tg->runnable_avg
> 8149 ± 0% -12.9% 7097 ± 1% sched_debug.cfs_rq[97]:/.tg->runnable_avg
> 8151 ± 0% -12.9% 7100 ± 1% sched_debug.cfs_rq[99]:/.tg->runnable_avg
> 8153 ± 0% -12.9% 7101 ± 1% sched_debug.cfs_rq[100]:/.tg->runnable_avg
> 8129 ± 0% -13.0% 7074 ± 1% sched_debug.cfs_rq[87]:/.tg->runnable_avg
> 8118 ± 0% -13.0% 7060 ± 1% sched_debug.cfs_rq[83]:/.tg->runnable_avg
> 8107 ± 0% -13.1% 7047 ± 1% sched_debug.cfs_rq[78]:/.tg->runnable_avg
> 8111 ± 0% -13.0% 7054 ± 1% sched_debug.cfs_rq[80]:/.tg->runnable_avg
> 8098 ± 0% -13.0% 7044 ± 1% sched_debug.cfs_rq[76]:/.tg->runnable_avg
> 42188778 ± 0% -12.9% 36733179 ± 1% slabinfo.vm_area_struct.num_objs
> 958835 ± 0% -12.9% 834844 ± 1% slabinfo.vm_area_struct.num_slabs
> 958835 ± 0% -12.9% 834844 ± 1% slabinfo.vm_area_struct.active_slabs
> 8154 ± 0% -12.9% 7103 ± 1% sched_debug.cfs_rq[101]:/.tg->runnable_avg
> 8116 ± 0% -13.0% 7058 ± 1% sched_debug.cfs_rq[82]:/.tg->runnable_avg
> 8130 ± 0% -12.9% 7077 ± 1% sched_debug.cfs_rq[88]:/.tg->runnable_avg
> 8171 ± 0% -12.9% 7120 ± 1% sched_debug.cfs_rq[107]:/.tg->runnable_avg
> 8113 ± 0% -13.0% 7058 ± 1% sched_debug.cfs_rq[81]:/.tg->runnable_avg
> 8109 ± 0% -13.1% 7051 ± 1% sched_debug.cfs_rq[79]:/.tg->runnable_avg
> 8155 ± 0% -12.9% 7106 ± 1% sched_debug.cfs_rq[102]:/.tg->runnable_avg
> 8157 ± 0% -12.8% 7111 ± 1% sched_debug.cfs_rq[103]:/.tg->runnable_avg
> 8165 ± 0% -12.9% 7115 ± 1% sched_debug.cfs_rq[105]:/.tg->runnable_avg
> 8159 ± 0% -12.8% 7113 ± 1% sched_debug.cfs_rq[104]:/.tg->runnable_avg
> 8148 ± 0% -12.9% 7099 ± 1% sched_debug.cfs_rq[98]:/.tg->runnable_avg
> 8169 ± 0% -12.9% 7118 ± 1% sched_debug.cfs_rq[106]:/.tg->runnable_avg
> 1.78 ± 2% -11.3% 1.58 ± 4% perf-profile.cpu-cycles.tick_sched_timer.__run_hrtimer.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt
> 7802174 ± 0% -12.8% 6805780 ± 1% meminfo.SUnreclaim
> 1950525 ± 0% -12.8% 1701410 ± 1% proc-vmstat.nr_slab_unreclaimable
> 8198 ± 0% -12.7% 7154 ± 1% sched_debug.cfs_rq[119]:/.tg->runnable_avg
> 8175 ± 0% -12.8% 7125 ± 1% sched_debug.cfs_rq[109]:/.tg->runnable_avg
> 8180 ± 0% -12.8% 7136 ± 1% sched_debug.cfs_rq[112]:/.tg->runnable_avg
> 8188 ± 0% -12.8% 7143 ± 1% sched_debug.cfs_rq[115]:/.tg->runnable_avg
> 8194 ± 0% -12.7% 7151 ± 1% sched_debug.cfs_rq[117]:/.tg->runnable_avg
> 8176 ± 0% -12.8% 7129 ± 1% sched_debug.cfs_rq[110]:/.tg->runnable_avg
> 8189 ± 0% -12.8% 7145 ± 1% sched_debug.cfs_rq[116]:/.tg->runnable_avg
> 189413 ± 4% -13.7% 163494 ± 8% sched_debug.cfs_rq[25]:/.min_vruntime
> 8184 ± 0% -12.7% 7141 ± 1% sched_debug.cfs_rq[114]:/.tg->runnable_avg
> 8182 ± 0% -12.8% 7137 ± 1% sched_debug.cfs_rq[113]:/.tg->runnable_avg
> 8172 ± 0% -12.8% 7122 ± 1% sched_debug.cfs_rq[108]:/.tg->runnable_avg
> 8193 ± 0% -12.7% 7152 ± 1% sched_debug.cfs_rq[118]:/.tg->runnable_avg
> 8178 ± 0% -12.8% 7133 ± 1% sched_debug.cfs_rq[111]:/.tg->runnable_avg
> 7859652 ± 0% -12.7% 6863230 ± 1% meminfo.Slab
> 0.95 ± 6% +15.6% 1.10 ± 3% perf-profile.cpu-cycles.__fget.fget.sys_mmap_pgoff.sys_mmap.system_call_fastpath
> 1.10 ± 2% -10.5% 0.98 ± 4% perf-profile.cpu-cycles.ktime_get.clockevents_program_event.tick_program_event.__hrtimer_start_range_ns.hrtimer_start_range_ns
> 23237 ± 4% -13.3% 20143 ± 6% sched_debug.cfs_rq[51]:/.exec_clock
> 1.82 ± 2% -11.0% 1.62 ± 4% perf-profile.cpu-cycles.__run_hrtimer.hrtimer_interrupt.local_apic_timer_interrupt.smp_apic_timer_interrupt.apic_timer_interrupt
> 0.97 ± 7% +14.0% 1.11 ± 3% perf-profile.cpu-cycles.fget.sys_mmap_pgoff.sys_mmap.system_call_fastpath
> 23242 ± 4% -12.9% 20253 ± 6% sched_debug.cfs_rq[49]:/.exec_clock
> 22886 ± 5% -13.7% 19749 ± 5% sched_debug.cfs_rq[56]:/.exec_clock
> 1036 ± 0% -11.9% 914 ± 1% time.user_time
> 8527124 ± 0% -11.6% 7534220 ± 1% vmstat.memory.cache
> 1695225 ± 0% -10.7% 1513459 ± 1% softirqs.TIMER
> 23318 ± 6% -13.1% 20269 ± 6% sched_debug.cfs_rq[54]:/.exec_clock
> 667649 ± 3% -10.0% 600607 ± 4% numa-vmstat.node3.numa_local
> 7.244e+08 ± 0% -11.1% 6.439e+08 ± 1% time.minor_page_faults
> 7.254e+08 ± 0% -11.1% 6.449e+08 ± 1% proc-vmstat.pgfault
> 1.92 ± 2% -10.9% 1.71 ± 4% perf-profile.cpu-cycles.read_hpet.ktime_get.clockevents_program_event.tick_program_event.__hrtimer_start_range_ns
> 22971 ± 5% -12.9% 19998 ± 5% sched_debug.cfs_rq[55]:/.exec_clock
> 131 ± 10% -11.7% 115 ± 6% sched_debug.cfs_rq[52]:/.tg_runnable_contrib
> 42.89 ± 0% -10.4% 38.41 ± 2% perf-profile.cpu-cycles.mmap_region.do_mmap_pgoff.vm_mmap_pgoff.sys_mmap_pgoff.sys_mmap
> 6053 ± 10% -11.6% 5349 ± 6% sched_debug.cfs_rq[52]:/.avg->runnable_avg_sum
> 753344 ± 2% -9.0% 685539 ± 4% numa-vmstat.node3.numa_hit
> 501098 ± 0% -11.4% 443942 ± 2% softirqs.SCHED
> 1.19 ± 2% -9.0% 1.08 ± 3% perf-profile.cpu-cycles.clockevents_program_event.tick_program_event.__hrtimer_start_range_ns.hrtimer_start_range_ns.tick_nohz_restart
> 90940 ± 2% +9.4% 99459 ± 2% sched_debug.cpu#54.nr_load_updates
> 88590 ± 2% +9.8% 97229 ± 4% sched_debug.cpu#2.nr_load_updates
> 90669 ± 2% +9.6% 99355 ± 2% sched_debug.cpu#56.nr_load_updates
> 91272 ± 2% +9.4% 99833 ± 2% sched_debug.cpu#49.nr_load_updates
> 1.22 ± 1% +10.5% 1.35 ± 2% perf-profile.cpu-cycles.schedule.rwsem_down_write_failed.call_rwsem_down_write_failed.vma_link.mmap_region
> 89287 ± 3% +10.3% 98507 ± 4% sched_debug.cpu#1.nr_load_updates
> 45.38 ± 0% -9.4% 41.10 ± 2% perf-profile.cpu-cycles.do_mmap_pgoff.vm_mmap_pgoff.sys_mmap_pgoff.sys_mmap.system_call_fastpath
> 22980 ± 5% -12.4% 20128 ± 6% sched_debug.cfs_rq[50]:/.exec_clock
> 1.19 ± 2% -8.5% 1.09 ± 4% perf-profile.cpu-cycles.tick_program_event.__hrtimer_start_range_ns.hrtimer_start_range_ns.tick_nohz_restart.tick_nohz_idle_exit
> 5570129 ± 0% -9.4% 5048932 ± 1% proc-vmstat.pgalloc_normal
> 1100174 ± 3% -6.9% 1024326 ± 3% numa-numastat.node3.local_node
> 2.06 ± 2% -9.1% 1.87 ± 4% perf-profile.cpu-cycles.print_context_stack.dump_trace.save_stack_trace_tsk.__account_scheduler_latency.enqueue_entity
> 46.01 ± 0% -9.2% 41.78 ± 2% perf-profile.cpu-cycles.vm_mmap_pgoff.sys_mmap_pgoff.sys_mmap.system_call_fastpath
> 91494 ± 2% +10.3% 100902 ± 2% sched_debug.cpu#46.nr_load_updates
> 20296 ± 3% -24.7% 15293 ± 3% vmstat.system.in
> 140148 ± 0% -21.9% 109393 ± 1% vmstat.system.cs
> 191 ± 0% -19.5% 153 ± 0% turbostat.CorWatt
> 257 ± 0% -14.7% 219 ± 0% turbostat.PkgWatt
> 218 ± 0% -13.5% 188 ± 1% turbostat.Avg_MHz
> 6.84 ± 0% -13.6% 5.91 ± 1% turbostat.%Busy
> 578 ± 0% -8.5% 529 ± 0% pmeter.Average_Active_Power
> 73.34 ± 0% -3.0% 71.15 ± 0% turbostat.RAMWatt
>
> brickland3: Brickland Ivy Bridge-EX
> Memory: 512G
>
>
>
>
> vm-scalability.stddev
>
> 16 ++---------------------------------------------------------------------+
> | O |
> 14 ++ O O |
> 12 ++ O O O O O |
> | O OO O O |
> 10 O+ O O O O O |
> | O O O O O O O O O O |
> 8 ++ O O |
> | O O O |
> 6 ++ O |
> 4 ++ |
> | .* .* *. .* *.|
> 2 *+**. .*.* .* *.**. * + *.** + : * * *.*. .*.**.* *
> | ** *.* *.**.*.* *.* * * *.*.* ** |
> 0 ++---------------------------------------------------------------------+
>
>
> [*] bisect-good sample
> [O] bisect-bad sample
>
> To reproduce:
>
> apt-get install ruby
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
> cd lkp-tests
> bin/setup-local job.yaml # the job file attached in this email
> bin/run-local job.yaml
>
>
> 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,
> Ying Huang
>
>
> ---
> testcase: vm-scalability
> default-monitors:
> wait: pre-test
> uptime:
> iostat:
> vmstat:
> numa-numastat:
> numa-vmstat:
> numa-meminfo:
> proc-vmstat:
> proc-stat:
> meminfo:
> slabinfo:
> interrupts:
> lock_stat:
> latency_stats:
> softirqs:
> bdi_dev_mapping:
> diskstats:
> nfsstat:
> cpuidle:
> cpufreq-stats:
> turbostat:
> pmeter:
> sched_debug:
> interval: 10
> default_watchdogs:
> watch-oom:
> watchdog:
> cpufreq_governor: performance
> commit: ce43fa581f61c4756301e7fd8609f50579e13d5d
> model: Brickland Ivy Bridge-EX
> nr_cpu: 120
> memory: 512G
> hdd_partitions:
> swap_partitions:
> pmeter_server: lkp-st01
> pmeter_device: yokogawa-wt310
> perf-profile:
> runtime: 300s
> size:
> vm-scalability:
> test: small-allocs
> testbox: brickland3
> tbox_group: brickland3
> kconfig: x86_64-rhel
> enqueue_time: 2015-03-08 04:48:33.187343214 +08:00
> head_commit: ce43fa581f61c4756301e7fd8609f50579e13d5d
> base_commit: 13a7a6ac0a11197edcd0f756a035f472b42cdf8b
> branch: linux-devel/devel-hourly-2015030900
> kernel: "/kernel/x86_64-rhel/ce43fa581f61c4756301e7fd8609f50579e13d5d/vmlinuz-4.0.0-rc2-00784-gce43fa5"
> user: lkp
> queue: cyclic
> rootfs: debian-x86_64-2015-02-07.cgz
> result_root: "/result/brickland3/vm-scalability/performance-300s-small-allocs/debian-x86_64-2015-02-07.cgz/x86_64-rhel/ce43fa581f61c4756301e7fd8609f50579e13d5d/0"
> job_file: "/lkp/scheduled/brickland3/cyclic_vm-scalability-performance-300s-small-allocs-x86_64-rhel-HEAD-ce43fa581f61c4756301e7fd8609f50579e13d5d-0-20150308-92360-aeasab.yaml"
> dequeue_time: 2015-03-09 06:20:56.728013487 +08:00
> job_state: finished
> loadavg: 78.64 75.53 36.25 1/953 14075
> start_time: '1425853327'
> end_time: '1425853675'
> version: "/lkp/lkp/.src-20150308-175746"
> echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu10/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu100/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu101/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu102/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu103/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu104/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu105/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu106/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu107/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu108/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu109/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu110/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu111/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu112/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu113/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu114/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu115/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu116/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu117/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu118/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu119/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu15/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu16/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu79/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu80/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu81/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu82/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu83/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu84/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu85/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu86/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu87/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu88/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu89/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu90/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu91/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu92/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu93/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu94/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu95/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu96/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu97/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu98/cpufreq/scaling_governor
> echo performance > /sys/devices/system/cpu/cpu99/cpufreq/scaling_governor
> mount -t tmpfs -o size=100% vm-scalability-tmp /tmp/vm-scalability-tmp
> truncate -s 540949544960 /tmp/vm-scalability.img
> mkfs.xfs -q /tmp/vm-scalability.img
> mount -o loop /tmp/vm-scalability.img /tmp/vm-scalability
> ./case-small-allocs
> ./usemem --runtime 300 -n 120 --readonly --unit 40960 36650387592
> umount /tmp/vm-scalability-tmp
> umount /tmp/vm-scalability
> rm /tmp/vm-scalability.img
> _______________________________________________
> LKP mailing list
> LKP@...ux.intel.com
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