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[lkp] [mm/vmstat] 6cdb18ad98: -8.5% will-it-scale.per_thread_ops

From kernel test robot <ying.huang@linux.intel.com>
Newsgroups linux.kernel
Subject [lkp] [mm/vmstat] 6cdb18ad98: -8.5% will-it-scale.per_thread_ops
Date 2016-01-06 04:30 +0100
Message-ID <qNMXn-3XE-7@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 6cdb18ad98a49f7e9b95d538a0614cde827404b8 ("mm/vmstat: fix overflow in mod_zone_page_state()")


=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase:
  gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/ivb42/pread1/will-it-scale

commit: 
  cc28d6d80f6ab494b10f0e2ec949eacd610f66e3
  6cdb18ad98a49f7e9b95d538a0614cde827404b8

cc28d6d80f6ab494 6cdb18ad98a49f7e9b95d538a0 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
   2733943 ±  0%      -8.5%    2502129 ±  0%  will-it-scale.per_thread_ops
      3410 ±  0%      -2.0%       3343 ±  0%  will-it-scale.time.system_time
    340.08 ±  0%     +19.7%     406.99 ±  0%  will-it-scale.time.user_time
  69882822 ±  2%     -24.3%   52926191 ±  5%  cpuidle.C1-IVT.time
    340.08 ±  0%     +19.7%     406.99 ±  0%  time.user_time
    491.25 ±  6%     -17.7%     404.25 ±  7%  numa-vmstat.node0.nr_alloc_batch
      2799 ± 20%     -36.6%       1776 ±  0%  numa-vmstat.node0.nr_mapped
    630.00 ±140%    +244.4%       2169 ±  1%  numa-vmstat.node1.nr_inactive_anon
      6440 ± 11%     -15.5%       5440 ± 16%  numa-vmstat.node1.nr_slab_reclaimable
     11204 ± 20%     -36.6%       7106 ±  0%  numa-meminfo.node0.Mapped
      1017 ±173%    +450.3%       5598 ± 15%  numa-meminfo.node1.AnonHugePages
      2521 ±140%    +244.1%       8678 ±  1%  numa-meminfo.node1.Inactive(anon)
     25762 ± 11%     -15.5%      21764 ± 16%  numa-meminfo.node1.SReclaimable
     70103 ±  9%      -9.8%      63218 ±  9%  numa-meminfo.node1.Slab
      2.29 ±  3%     +32.8%       3.04 ±  4%  perf-profile.cycles-pp.atime_needs_update.touch_atime.shmem_file_read_iter.__vfs_read.vfs_read
      1.10 ±  3%     -27.4%       0.80 ±  5%  perf-profile.cycles-pp.current_fs_time.atime_needs_update.touch_atime.shmem_file_read_iter.__vfs_read
      2.33 ±  2%     -13.0%       2.02 ±  3%  perf-profile.cycles-pp.fput.entry_SYSCALL_64_fastpath
      0.89 ±  2%     +29.6%       1.15 ±  7%  perf-profile.cycles-pp.fsnotify.vfs_read.sys_pread64.entry_SYSCALL_64_fastpath
      2.85 ±  2%     +45.4%       4.14 ±  5%  perf-profile.cycles-pp.touch_atime.shmem_file_read_iter.__vfs_read.vfs_read.sys_pread64
     63939 ±  0%     +17.9%      75370 ± 15%  sched_debug.cfs_rq:/.exec_clock.25
     72.50 ± 73%     -63.1%      26.75 ± 19%  sched_debug.cfs_rq:/.load_avg.1
     34.00 ± 62%     -61.8%      13.00 ± 12%  sched_debug.cfs_rq:/.load_avg.14
     18.00 ± 11%     -11.1%      16.00 ± 10%  sched_debug.cfs_rq:/.load_avg.20
     14.75 ± 41%    +122.0%      32.75 ± 26%  sched_debug.cfs_rq:/.load_avg.25
    278.88 ± 11%     +18.8%     331.25 ±  7%  sched_debug.cfs_rq:/.load_avg.max
     51.89 ± 11%     +13.6%      58.97 ±  4%  sched_debug.cfs_rq:/.load_avg.stddev
      7.25 ±  5%    +255.2%      25.75 ± 53%  sched_debug.cfs_rq:/.runnable_load_avg.25
     28.50 ±  1%     +55.3%      44.25 ± 46%  sched_debug.cfs_rq:/.runnable_load_avg.7
     72.50 ± 73%     -63.1%      26.75 ± 19%  sched_debug.cfs_rq:/.tg_load_avg_contrib.1
     34.00 ± 62%     -61.8%      13.00 ± 12%  sched_debug.cfs_rq:/.tg_load_avg_contrib.14
     18.00 ± 11%     -11.1%      16.00 ± 10%  sched_debug.cfs_rq:/.tg_load_avg_contrib.20
     14.75 ± 41%    +122.0%      32.75 ± 25%  sched_debug.cfs_rq:/.tg_load_avg_contrib.25
    279.29 ± 11%     +19.1%     332.67 ±  7%  sched_debug.cfs_rq:/.tg_load_avg_contrib.max
     52.01 ± 11%     +13.8%      59.18 ±  4%  sched_debug.cfs_rq:/.tg_load_avg_contrib.stddev
    359.50 ±  6%     +41.5%     508.75 ± 22%  sched_debug.cfs_rq:/.util_avg.25
    206.25 ± 16%     -13.1%     179.25 ± 11%  sched_debug.cfs_rq:/.util_avg.40
    688.75 ±  1%     +18.5%     816.00 ±  1%  sched_debug.cfs_rq:/.util_avg.7
    953467 ±  1%     -17.9%     782518 ± 10%  sched_debug.cpu.avg_idle.5
      9177 ± 43%     +73.9%      15957 ± 29%  sched_debug.cpu.nr_switches.13
      7365 ± 19%     -35.4%       4755 ± 11%  sched_debug.cpu.nr_switches.20
     12203 ± 28%     -62.2%       4608 ±  9%  sched_debug.cpu.nr_switches.22
      1868 ± 49%     -51.1%     913.50 ± 27%  sched_debug.cpu.nr_switches.27
      2546 ± 56%     -70.0%     763.00 ± 18%  sched_debug.cpu.nr_switches.28
      3003 ± 78%     -77.9%     663.00 ± 18%  sched_debug.cpu.nr_switches.33
      1820 ± 19%     +68.0%       3058 ± 33%  sched_debug.cpu.nr_switches.8
     -4.00 ±-35%    -156.2%       2.25 ± 85%  sched_debug.cpu.nr_uninterruptible.11
      4.00 ±133%    -187.5%      -3.50 ±-24%  sched_debug.cpu.nr_uninterruptible.17
      1.75 ± 74%    -214.3%      -2.00 ±-127%  sched_debug.cpu.nr_uninterruptible.25
      0.00 ±  2%      +Inf%       4.00 ± 39%  sched_debug.cpu.nr_uninterruptible.26
      2.50 ± 44%    -110.0%      -0.25 ±-591%  sched_debug.cpu.nr_uninterruptible.27
      1.33 ±154%    -287.5%      -2.50 ±-72%  sched_debug.cpu.nr_uninterruptible.32
     -1.00 ±-244%    -250.0%       1.50 ±251%  sched_debug.cpu.nr_uninterruptible.45
      3.50 ± 82%    -135.7%      -1.25 ±-66%  sched_debug.cpu.nr_uninterruptible.46
     -4.50 ±-40%    -133.3%       1.50 ±242%  sched_debug.cpu.nr_uninterruptible.6
     -3.00 ±-78%    -433.3%      10.00 ±150%  sched_debug.cpu.nr_uninterruptible.7
     10124 ± 39%     +65.8%      16783 ± 23%  sched_debug.cpu.sched_count.13
     12833 ± 23%     -54.6%       5823 ± 32%  sched_debug.cpu.sched_count.22
      1934 ± 48%     -49.8%     971.00 ± 26%  sched_debug.cpu.sched_count.27
      3065 ± 76%     -76.2%     728.25 ± 16%  sched_debug.cpu.sched_count.33
      2098 ± 24%    +664.1%      16030 ±126%  sched_debug.cpu.sched_count.5
      4653 ± 33%     +83.4%       8536 ± 25%  sched_debug.cpu.sched_goidle.15
      5061 ± 41%     -61.1%       1968 ± 13%  sched_debug.cpu.sched_goidle.22
    834.75 ± 57%     -60.2%     332.00 ± 35%  sched_debug.cpu.sched_goidle.27
    719.00 ± 71%     -63.3%     264.00 ± 19%  sched_debug.cpu.sched_goidle.28
    943.25 ±115%     -76.3%     223.25 ± 21%  sched_debug.cpu.sched_goidle.33
      2520 ± 26%    +112.4%       5353 ± 19%  sched_debug.cpu.ttwu_count.13
      5324 ± 22%     -49.7%       2679 ± 45%  sched_debug.cpu.ttwu_count.22
      2926 ± 38%    +231.1%       9690 ± 37%  sched_debug.cpu.ttwu_count.23
    277.25 ± 18%    +166.7%     739.50 ± 83%  sched_debug.cpu.ttwu_count.27
      1247 ± 61%     -76.6%     292.25 ± 11%  sched_debug.cpu.ttwu_count.28
    751.75 ± 22%    +183.9%       2134 ±  9%  sched_debug.cpu.ttwu_count.3
      6405 ± 97%     -75.9%       1542 ± 48%  sched_debug.cpu.ttwu_count.41
      5582 ±104%     -76.2%       1327 ± 55%  sched_debug.cpu.ttwu_count.43
      3201 ± 26%     -75.1%     796.75 ± 18%  sched_debug.cpu.ttwu_local.22


ivb42: Ivytown Ivy Bridge-EP
Memory: 64G

To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     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

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Thread

[lkp] [mm/vmstat] 6cdb18ad98: -8.5% will-it-scale.per_thread_ops kernel test robot <ying.huang@linux.intel.com> - 2016-01-06 04:30 +0100
  Re: [lkp] [mm/vmstat] 6cdb18ad98: -8.5% will-it-scale.per_thread_ops Heiko Carstens <heiko.carstens@de.ibm.com> - 2016-01-07 12:30 +0100
    Re: [LKP] [lkp] [mm/vmstat] 6cdb18ad98: -8.5% will-it-scale.per_thread_ops "Huang\, Ying" <ying.huang@intel.com> - 2016-01-08 06:30 +0100
      Re: [LKP] [lkp] [mm/vmstat] 6cdb18ad98: -8.5%  will-it-scale.per_thread_ops Heiko Carstens <heiko.carstens@de.ibm.com> - 2016-01-08 12:20 +0100

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