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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

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> LKP@...ux.intel.com

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