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Date:	Mon, 01 Feb 2016 09:08:44 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Andi Kleen <ak@...ux.intel.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [lib] 6ffc77f48b: 15.8% aim9.shell_rtns_2.ops_per_sec, +8.7% unixbench.score

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Andi-Kleen/Optimize-int_sqrt-for-small-values-for-faster-idle/20160129-054629
commit 6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83 ("Optimize int_sqrt for small values for faster idle")


=========================================================================================
compiler/cpufreq_governor/kconfig/rootfs/tbox_group/test/testcase/testtime:
  gcc-4.9/performance/x86_64-rhel/debian-x86_64-2015-02-07.cgz/ivb43/shell_rtns_2/aim9/300s

commit: 
  v4.5-rc1
  6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83

        v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    383.55 ±  1%     +15.8%     444.19 ±  0%  aim9.shell_rtns_2.ops_per_sec
    346042 ±  1%     +15.7%     400253 ±  0%  aim9.time.involuntary_context_switches
  37653157 ±  1%     +16.0%   43669205 ±  0%  aim9.time.minor_page_faults
     50.58 ±  1%     +13.5%      57.41 ±  0%  aim9.time.user_time
    920242 ±  1%     +15.6%    1063902 ±  0%  aim9.time.voluntary_context_switches
    165192 ±  0%      -9.3%     149802 ±  0%  meminfo.Committed_AS
    858.50 ±112%    +159.7%       2229 ±  2%  numa-vmstat.node1.nr_inactive_anon
      1903 ± 34%     +49.7%       2850 ±  1%  numa-vmstat.node1.nr_mapped
     15155 ±  0%      +3.0%      15608 ±  0%  vmstat.system.cs
      1900 ±  3%      +8.5%       2061 ±  1%  vmstat.system.in
      1481 ±142%    +243.8%       5094 ± 20%  numa-meminfo.node1.AnonHugePages
      3435 ±112%    +159.6%       8918 ±  2%  numa-meminfo.node1.Inactive(anon)
      7619 ± 34%     +49.7%      11403 ±  1%  numa-meminfo.node1.Mapped
    346042 ±  1%     +15.7%     400253 ±  0%  time.involuntary_context_switches
  37653157 ±  1%     +16.0%   43669205 ±  0%  time.minor_page_faults
     50.58 ±  1%     +13.5%      57.41 ±  0%  time.user_time
    920242 ±  1%     +15.6%    1063902 ±  0%  time.voluntary_context_switches
  32159302 ±  2%     +16.1%   37352805 ±  0%  proc-vmstat.numa_hit
  32153109 ±  2%     +16.2%   37346613 ±  0%  proc-vmstat.numa_local
      8294 ±  4%     +10.3%       9146 ±  3%  proc-vmstat.pgactivate
  31753265 ±  2%     +16.7%   37041704 ±  0%  proc-vmstat.pgalloc_normal
  38274072 ±  1%     +15.7%   44274006 ±  0%  proc-vmstat.pgfault
  33586569 ±  2%     +16.4%   39090694 ±  0%  proc-vmstat.pgfree
      2.15 ±  2%     +31.0%       2.81 ±  1%  turbostat.%Busy
     69.83 ±  1%     +21.0%      84.50 ±  1%  turbostat.Avg_MHz
     14.71 ± 30%    +364.4%      68.29 ±  2%  turbostat.CPU%c1
      0.13 ±115%   +4530.3%       5.86 ±  5%  turbostat.CPU%c3
     83.02 ±  5%     -72.3%      23.04 ±  6%  turbostat.CPU%c6
     67.08 ±  1%     +15.6%      77.53 ±  0%  turbostat.CorWatt
     13.68 ± 13%     -96.9%       0.42 ±102%  turbostat.Pkg%pc2
     97.47 ±  0%     +10.7%     107.90 ±  0%  turbostat.PkgWatt
 4.115e+08 ± 95%   +1040.5%  4.693e+09 ±  3%  cpuidle.C1-IVT.time
     35607 ± 31%    +459.1%     199082 ±  1%  cpuidle.C1-IVT.usage
    692205 ± 47%  +1.4e+05%  9.935e+08 ±  2%  cpuidle.C1E-IVT.time
      1987 ± 17%   +9685.5%     194454 ±  1%  cpuidle.C1E-IVT.usage
  17330705 ±111%   +5212.9%  9.208e+08 ±  4%  cpuidle.C3-IVT.time
      6416 ± 72%   +4164.8%     273664 ±  2%  cpuidle.C3-IVT.usage
  1.37e+10 ±  3%     -45.7%  7.434e+09 ±  2%  cpuidle.C6-IVT.time
   2046699 ±  1%     -20.6%    1625729 ±  2%  cpuidle.C6-IVT.usage
   9298422 ± 67%    +725.2%   76732660 ±  5%  cpuidle.POLL.time
     21792 ± 13%     -19.9%      17456 ±  6%  cpuidle.POLL.usage
      8535 ±  2%      +8.7%       9274 ±  2%  slabinfo.anon_vma.active_objs
      8535 ±  2%      +8.7%       9274 ±  2%  slabinfo.anon_vma.num_objs
     25398 ±  3%     +22.3%      31057 ±  1%  slabinfo.anon_vma_chain.active_objs
     25427 ±  3%     +22.5%      31141 ±  1%  slabinfo.anon_vma_chain.num_objs
     14169 ±  5%     -13.4%      12270 ±  0%  slabinfo.kmalloc-256.active_objs
     14612 ±  5%     -12.5%      12786 ±  0%  slabinfo.kmalloc-256.num_objs
     39366 ±  7%     +40.7%      55384 ±  3%  slabinfo.kmalloc-32.active_objs
    307.00 ±  7%     +41.3%     433.75 ±  3%  slabinfo.kmalloc-32.active_slabs
     39366 ±  7%     +41.2%      55578 ±  3%  slabinfo.kmalloc-32.num_objs
    307.00 ±  7%     +41.3%     433.75 ±  3%  slabinfo.kmalloc-32.num_slabs
      1087 ±  5%      -9.7%     982.50 ±  1%  slabinfo.mm_struct.active_objs
      1087 ±  5%      -9.7%     982.50 ±  1%  slabinfo.mm_struct.num_objs
      2313 ±  2%     +12.8%       2609 ±  3%  slabinfo.signal_cache.active_objs
      2313 ±  2%     +12.8%       2609 ±  3%  slabinfo.signal_cache.num_objs
     21538 ±  1%     +17.1%      25215 ±  1%  slabinfo.vm_area_struct.active_objs
     21595 ±  1%     +17.1%      25279 ±  1%  slabinfo.vm_area_struct.num_objs
      2.49 ± 16%     +38.3%       3.44 ± 16%  perf-profile.cycles-pp.__libc_fork
     39.88 ±  9%     -26.1%      29.47 ± 23%  perf-profile.cycles-pp.call_cpuidle.cpu_startup_entry.start_secondary
     43.97 ±  9%     -24.6%      33.16 ± 21%  perf-profile.cycles-pp.cpu_startup_entry.start_secondary
     39.88 ±  9%     -26.1%      29.46 ± 23%  perf-profile.cycles-pp.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
     39.49 ±  9%     -26.3%      29.10 ± 23%  perf-profile.cycles-pp.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry.start_secondary
      2.55 ± 41%     +81.3%       4.62 ± 29%  perf-profile.cycles-pp.do_execveat_common.isra.35.sys_execve.return_from_execve
      9.63 ± 15%     +30.1%      12.53 ± 15%  perf-profile.cycles-pp.do_page_fault.page_fault
      3.14 ± 11%     +58.7%       4.99 ± 20%  perf-profile.cycles-pp.execve
      0.75 ± 10%     +31.3%       0.98 ± 11%  perf-profile.cycles-pp.filename_lookup.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
      0.84 ± 13%     +38.1%       1.16 ± 16%  perf-profile.cycles-pp.free_pages_and_swap_cache.tlb_flush_mmu_free.tlb_finish_mmu.exit_mmap.mmput
      8.60 ± 23%     +37.6%      11.84 ± 11%  perf-profile.cycles-pp.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     40.37 ± 10%     -26.5%      29.67 ± 23%  perf-profile.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.call_cpuidle.cpu_startup_entry
      0.75 ± 16%     +99.7%       1.51 ± 27%  perf-profile.cycles-pp.load_elf_binary.search_binary_handler.load_script.search_binary_handler.do_execveat_common
      0.84 ± 15%     +94.7%       1.63 ± 27%  perf-profile.cycles-pp.load_script.search_binary_handler.do_execveat_common.sys_execve.return_from_execve
      0.71 ± 10%     +30.9%       0.92 ± 12%  perf-profile.cycles-pp.path_lookupat.filename_lookup.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
      0.75 ± 13%     +39.9%       1.04 ± 16%  perf-profile.cycles-pp.release_pages.free_pages_and_swap_cache.tlb_flush_mmu_free.tlb_finish_mmu.exit_mmap
      2.15 ± 11%     +51.3%       3.25 ± 20%  perf-profile.cycles-pp.return_from_execve.execve
      0.76 ± 16%     +98.2%       1.51 ± 27%  perf-profile.cycles-pp.search_binary_handler.load_script.search_binary_handler.do_execveat_common.sys_execve
     44.09 ±  9%     -24.5%      33.28 ± 21%  perf-profile.cycles-pp.start_secondary
      1.12 ±  6%     +23.8%       1.39 ±  8%  perf-profile.cycles-pp.sys_access.entry_SYSCALL_64_fastpath
      2.13 ± 11%     +53.6%       3.28 ± 19%  perf-profile.cycles-pp.sys_execve.return_from_execve.execve
      1.55 ± 90%    +179.7%       4.33 ± 13%  perf-profile.cycles-pp.sys_mmap.entry_SYSCALL_64_fastpath
      0.80 ± 11%     +31.0%       1.05 ± 11%  perf-profile.cycles-pp.user_path_at_empty.sys_access.entry_SYSCALL_64_fastpath
      4128 ±  9%     +17.8%       4862 ±  4%  sched_debug.cfs_rq:/.exec_clock.11
      4062 ±  8%     +18.4%       4809 ±  4%  sched_debug.cfs_rq:/.exec_clock.12
      4064 ± 13%     +34.4%       5461 ± 27%  sched_debug.cfs_rq:/.exec_clock.15
      3879 ± 14%     +41.0%       5469 ± 22%  sched_debug.cfs_rq:/.exec_clock.18
      3831 ± 12%     +44.1%       5522 ± 26%  sched_debug.cfs_rq:/.exec_clock.19
      3881 ± 14%     +18.1%       4582 ±  3%  sched_debug.cfs_rq:/.exec_clock.20
      3658 ± 14%     -30.8%       2529 ± 18%  sched_debug.cfs_rq:/.exec_clock.25
      3756 ± 17%     -31.4%       2575 ±  6%  sched_debug.cfs_rq:/.exec_clock.26
      3722 ± 15%     -32.2%       2524 ± 10%  sched_debug.cfs_rq:/.exec_clock.27
      4727 ± 20%     -31.5%       3240 ± 23%  sched_debug.cfs_rq:/.exec_clock.28
      4448 ± 13%     +20.7%       5369 ±  9%  sched_debug.cfs_rq:/.exec_clock.3
      3768 ± 18%     -32.1%       2559 ±  5%  sched_debug.cfs_rq:/.exec_clock.30
      3743 ± 16%     -38.2%       2312 ±  3%  sched_debug.cfs_rq:/.exec_clock.31
      3675 ± 15%     -31.9%       2501 ± 14%  sched_debug.cfs_rq:/.exec_clock.32
      3657 ± 14%     -33.4%       2434 ±  7%  sched_debug.cfs_rq:/.exec_clock.33
      3653 ± 15%     -27.1%       2663 ± 12%  sched_debug.cfs_rq:/.exec_clock.34
      3102 ± 19%     -27.2%       2257 ±  2%  sched_debug.cfs_rq:/.exec_clock.37
      3262 ± 18%     -30.5%       2269 ±  2%  sched_debug.cfs_rq:/.exec_clock.39
      3315 ± 16%     -25.5%       2469 ±  8%  sched_debug.cfs_rq:/.exec_clock.40
      3250 ± 18%     -29.6%       2287 ±  6%  sched_debug.cfs_rq:/.exec_clock.43
      3210 ± 13%     -28.2%       2304 ±  5%  sched_debug.cfs_rq:/.exec_clock.44
      3140 ± 16%     -25.7%       2332 ± 11%  sched_debug.cfs_rq:/.exec_clock.46
      4772 ±  9%     -24.0%       3625 ±  7%  sched_debug.cfs_rq:/.exec_clock.47
      4293 ±  9%     +23.1%       5283 ±  3%  sched_debug.cfs_rq:/.exec_clock.5
      2601 ± 10%     -22.9%       2007 ±  6%  sched_debug.cfs_rq:/.exec_clock.min
      1245 ± 11%     +37.0%       1706 ±  3%  sched_debug.cfs_rq:/.exec_clock.stddev
      4.50 ± 58%    +883.3%      44.25 ±115%  sched_debug.cfs_rq:/.load_avg.15
      2.00 ±141%   +2012.5%      42.25 ± 91%  sched_debug.cfs_rq:/.load_avg.26
     92810 ±  7%     +24.5%     115532 ±  5%  sched_debug.cfs_rq:/.min_vruntime.0
     85375 ± 10%     +16.7%      99616 ±  8%  sched_debug.cfs_rq:/.min_vruntime.1
     84119 ±  9%     +17.3%      98679 ±  6%  sched_debug.cfs_rq:/.min_vruntime.11
     76159 ± 14%     +26.3%      96158 ±  4%  sched_debug.cfs_rq:/.min_vruntime.12
     73708 ± 11%     +22.3%      90163 ±  4%  sched_debug.cfs_rq:/.min_vruntime.13
     73462 ± 12%     +22.8%      90186 ±  4%  sched_debug.cfs_rq:/.min_vruntime.14
     78532 ± 11%     +18.3%      92890 ±  2%  sched_debug.cfs_rq:/.min_vruntime.15
     75619 ± 15%     +23.4%      93308 ±  5%  sched_debug.cfs_rq:/.min_vruntime.18
     73782 ± 12%     +26.1%      93064 ±  2%  sched_debug.cfs_rq:/.min_vruntime.19
     85825 ± 12%     +16.9%     100371 ±  6%  sched_debug.cfs_rq:/.min_vruntime.2
     73784 ± 14%     +26.7%      93455 ±  3%  sched_debug.cfs_rq:/.min_vruntime.20
     77996 ± 11%     +25.4%      97835 ±  8%  sched_debug.cfs_rq:/.min_vruntime.21
     75401 ± 12%     +24.0%      93489 ±  3%  sched_debug.cfs_rq:/.min_vruntime.22
     71851 ± 10%     +25.9%      90432 ±  8%  sched_debug.cfs_rq:/.min_vruntime.23
     85321 ± 16%     -25.5%      63569 ± 11%  sched_debug.cfs_rq:/.min_vruntime.24
     84385 ± 16%     -37.7%      52578 ± 19%  sched_debug.cfs_rq:/.min_vruntime.25
     86487 ± 19%     -38.7%      52989 ± 10%  sched_debug.cfs_rq:/.min_vruntime.26
     85768 ± 18%     -40.0%      51463 ± 14%  sched_debug.cfs_rq:/.min_vruntime.27
     86568 ± 17%     -35.1%      56182 ±  9%  sched_debug.cfs_rq:/.min_vruntime.29
     87224 ± 19%     -38.6%      53580 ± 10%  sched_debug.cfs_rq:/.min_vruntime.30
     86397 ± 16%     -44.6%      47867 ±  6%  sched_debug.cfs_rq:/.min_vruntime.31
     84687 ± 17%     -39.7%      51047 ± 15%  sched_debug.cfs_rq:/.min_vruntime.32
     84737 ± 15%     -43.4%      47972 ± 11%  sched_debug.cfs_rq:/.min_vruntime.33
     84538 ± 17%     -37.4%      52927 ± 17%  sched_debug.cfs_rq:/.min_vruntime.34
     82873 ± 16%     -37.1%      52164 ±  8%  sched_debug.cfs_rq:/.min_vruntime.35
     70798 ± 20%     -27.7%      51222 ±  1%  sched_debug.cfs_rq:/.min_vruntime.36
     71650 ± 21%     -35.4%      46267 ±  5%  sched_debug.cfs_rq:/.min_vruntime.37
     72302 ± 21%     -36.2%      46131 ± 10%  sched_debug.cfs_rq:/.min_vruntime.38
     73956 ± 20%     -39.9%      44478 ±  6%  sched_debug.cfs_rq:/.min_vruntime.39
     74719 ± 18%     -35.9%      47906 ±  4%  sched_debug.cfs_rq:/.min_vruntime.40
     73599 ± 18%     -41.1%      43371 ±  7%  sched_debug.cfs_rq:/.min_vruntime.41
     74129 ± 19%     -35.8%      47573 ±  8%  sched_debug.cfs_rq:/.min_vruntime.42
     74757 ± 21%     -37.4%      46822 ±  9%  sched_debug.cfs_rq:/.min_vruntime.43
     71249 ± 18%     -38.7%      43668 ±  3%  sched_debug.cfs_rq:/.min_vruntime.44
     70889 ± 17%     -33.9%      46869 ±  6%  sched_debug.cfs_rq:/.min_vruntime.46
     74088 ± 17%     -38.5%      45599 ± 12%  sched_debug.cfs_rq:/.min_vruntime.47
     80424 ±  3%      -8.9%      73252 ±  4%  sched_debug.cfs_rq:/.min_vruntime.avg
    105781 ±  3%     +10.4%     116776 ±  4%  sched_debug.cfs_rq:/.min_vruntime.max
     57525 ± 10%     -32.3%      38928 ±  4%  sched_debug.cfs_rq:/.min_vruntime.min
     14190 ± 24%     +74.0%      24696 ±  1%  sched_debug.cfs_rq:/.min_vruntime.stddev
     -7435 ±-42%    +114.1%     -15916 ±-24%  sched_debug.cfs_rq:/.spread0.1
     -6966 ±-86%    +135.3%     -16394 ±-33%  sched_debug.cfs_rq:/.spread0.10
     -7496 ±-108%    +593.2%     -51965 ± -6%  sched_debug.cfs_rq:/.spread0.24
     -8433 ±-93%    +646.5%     -62957 ± -7%  sched_debug.cfs_rq:/.spread0.25
     -6331 ±-163%    +887.9%     -62545 ± -7%  sched_debug.cfs_rq:/.spread0.26
     -7049 ±-132%    +808.8%     -64072 ±-10%  sched_debug.cfs_rq:/.spread0.27
     -4943 ±-273%   +1076.4%     -58160 ±-10%  sched_debug.cfs_rq:/.spread0.28
     -6250 ±-142%    +849.5%     -59353 ± -5%  sched_debug.cfs_rq:/.spread0.29
     -5595 ±-201%   +1007.3%     -61955 ± -6%  sched_debug.cfs_rq:/.spread0.30
     -6423 ±-124%    +953.4%     -67668 ± -7%  sched_debug.cfs_rq:/.spread0.31
     -8133 ±-103%    +692.9%     -64488 ± -7%  sched_debug.cfs_rq:/.spread0.32
     -8083 ±-81%    +735.9%     -67563 ± -5%  sched_debug.cfs_rq:/.spread0.33
     -8282 ±-100%    +655.9%     -62608 ± -9%  sched_debug.cfs_rq:/.spread0.34
     -9948 ±-74%    +537.0%     -63371 ± -7%  sched_debug.cfs_rq:/.spread0.35
    -22023 ±-94%    +192.0%     -64313 ±-10%  sched_debug.cfs_rq:/.spread0.36
    -21171 ±-100%    +227.2%     -69269 ± -6%  sched_debug.cfs_rq:/.spread0.37
    -20521 ±-103%    +238.2%     -69404 ± -7%  sched_debug.cfs_rq:/.spread0.38
    -18866 ±-112%    +276.6%     -71058 ± -6%  sched_debug.cfs_rq:/.spread0.39
    -18104 ±-110%    +273.6%     -67630 ±-11%  sched_debug.cfs_rq:/.spread0.40
    -19223 ±-99%    +275.4%     -72165 ± -9%  sched_debug.cfs_rq:/.spread0.41
    -18694 ±-109%    +263.5%     -67963 ±-11%  sched_debug.cfs_rq:/.spread0.42
    -18066 ±-122%    +280.3%     -68713 ± -4%  sched_debug.cfs_rq:/.spread0.43
    -21575 ±-87%    +233.1%     -71868 ± -7%  sched_debug.cfs_rq:/.spread0.44
    -22907 ±-95%    +196.5%     -67923 ± -6%  sched_debug.cfs_rq:/.spread0.45
    -21935 ±-83%    +213.0%     -68667 ± -9%  sched_debug.cfs_rq:/.spread0.46
    -18737 ±-101%    +273.3%     -69937 ± -8%  sched_debug.cfs_rq:/.spread0.47
     -3013 ±-283%    +514.6%     -18522 ±-37%  sched_debug.cfs_rq:/.spread0.6
     -5884 ±-109%    +282.8%     -22524 ±-27%  sched_debug.cfs_rq:/.spread0.7
     -7321 ±-61%    +190.8%     -21286 ±-17%  sched_debug.cfs_rq:/.spread0.8
     -8126 ±-67%    +148.3%     -20175 ±-28%  sched_debug.cfs_rq:/.spread0.9
    -12393 ±-54%    +241.2%     -42282 ±-11%  sched_debug.cfs_rq:/.spread0.avg
     12967 ± 38%     -90.4%       1243 ± 81%  sched_debug.cfs_rq:/.spread0.max
    -35294 ±-29%    +117.1%     -76608 ± -8%  sched_debug.cfs_rq:/.spread0.min
     14191 ± 24%     +74.0%      24697 ±  1%  sched_debug.cfs_rq:/.spread0.stddev
     28.17 ± 19%    +133.4%      65.75 ± 57%  sched_debug.cfs_rq:/.util_avg.2
     32.17 ± 42%     -62.7%      12.00 ±113%  sched_debug.cfs_rq:/.util_avg.40
     51.00 ± 74%     -82.4%       9.00 ± 47%  sched_debug.cfs_rq:/.util_avg.45
    980055 ±  1%     -16.2%     821316 ±  7%  sched_debug.cpu.avg_idle.2
    974897 ±  2%     -10.6%     872035 ±  6%  sched_debug.cpu.avg_idle.21
    970838 ±  3%     -17.5%     800879 ±  9%  sched_debug.cpu.avg_idle.24
    922584 ±  5%     -13.3%     799667 ±  6%  sched_debug.cpu.avg_idle.25
    939820 ±  6%     -14.1%     807532 ±  4%  sched_debug.cpu.avg_idle.26
    972194 ±  3%     -15.5%     821130 ±  8%  sched_debug.cpu.avg_idle.27
    943576 ±  4%     -15.6%     795980 ±  8%  sched_debug.cpu.avg_idle.28
    972757 ±  4%     -11.8%     858039 ±  7%  sched_debug.cpu.avg_idle.29
    935963 ±  4%     -15.2%     793464 ±  3%  sched_debug.cpu.avg_idle.31
    961054 ±  4%     -20.4%     765294 ±  7%  sched_debug.cpu.avg_idle.32
    953272 ±  4%     -15.5%     805746 ±  1%  sched_debug.cpu.avg_idle.33
    957697 ±  3%     -19.9%     767409 ±  9%  sched_debug.cpu.avg_idle.35
    976711 ±  2%     -14.0%     840209 ±  6%  sched_debug.cpu.avg_idle.39
    944871 ±  3%     -13.8%     814393 ±  4%  sched_debug.cpu.avg_idle.40
    944464 ±  4%     -17.5%     779383 ±  4%  sched_debug.cpu.avg_idle.42
    960406 ±  4%     -16.8%     799490 ± 11%  sched_debug.cpu.avg_idle.43
    915603 ±  5%     -14.6%     781850 ±  8%  sched_debug.cpu.avg_idle.44
    954052 ±  4%     -13.2%     827775 ±  5%  sched_debug.cpu.avg_idle.46
    950001 ±  2%      -8.9%     865227 ±  0%  sched_debug.cpu.avg_idle.avg
    566441 ± 14%     -31.7%     386678 ± 12%  sched_debug.cpu.avg_idle.min
     95996 ± 24%     +77.9%     170770 ±  2%  sched_debug.cpu.avg_idle.stddev
     10.00 ± 19%     +37.9%      13.79 ± 22%  sched_debug.cpu.cpu_load[1].max
     33187 ±  9%     -12.3%      29089 ±  4%  sched_debug.cpu.nr_load_updates.1
     33201 ±  9%     -14.1%      28515 ±  1%  sched_debug.cpu.nr_load_updates.14
     32980 ±  9%     -15.6%      27828 ±  2%  sched_debug.cpu.nr_load_updates.2
     18677 ± 11%     -33.2%      12473 ±  8%  sched_debug.cpu.nr_load_updates.24
     18489 ± 13%     -41.7%      10787 ± 13%  sched_debug.cpu.nr_load_updates.25
     18563 ± 13%     -43.2%      10537 ±  3%  sched_debug.cpu.nr_load_updates.26
     19106 ± 10%     -44.0%      10694 ±  5%  sched_debug.cpu.nr_load_updates.27
     18840 ± 14%     -39.1%      11482 ±  6%  sched_debug.cpu.nr_load_updates.28
     19114 ± 12%     -39.8%      11513 ±  7%  sched_debug.cpu.nr_load_updates.29
     33625 ± 10%     -13.2%      29191 ±  3%  sched_debug.cpu.nr_load_updates.3
     19486 ± 11%     -42.0%      11305 ±  6%  sched_debug.cpu.nr_load_updates.30
     19086 ±  9%     -46.3%      10242 ±  2%  sched_debug.cpu.nr_load_updates.31
     18883 ±  9%     -43.0%      10772 ±  6%  sched_debug.cpu.nr_load_updates.32
     18809 ± 10%     -42.5%      10815 ±  3%  sched_debug.cpu.nr_load_updates.33
     18641 ± 13%     -37.1%      11717 ±  4%  sched_debug.cpu.nr_load_updates.34
     18649 ± 13%     -41.6%      10892 ±  4%  sched_debug.cpu.nr_load_updates.35
     17519 ± 14%     -36.1%      11197 ±  1%  sched_debug.cpu.nr_load_updates.36
     17605 ± 13%     -41.2%      10358 ±  4%  sched_debug.cpu.nr_load_updates.37
     17665 ±  9%     -41.1%      10402 ±  4%  sched_debug.cpu.nr_load_updates.38
     18083 ±  9%     -46.4%       9697 ±  1%  sched_debug.cpu.nr_load_updates.39
     33633 ±  8%     -16.6%      28066 ±  3%  sched_debug.cpu.nr_load_updates.4
     18017 ± 11%     -41.3%      10576 ±  5%  sched_debug.cpu.nr_load_updates.40
     17842 ±  8%     -46.1%       9614 ±  3%  sched_debug.cpu.nr_load_updates.41
     17845 ± 10%     -39.4%      10814 ± 10%  sched_debug.cpu.nr_load_updates.42
     17710 ± 12%     -42.2%      10238 ±  4%  sched_debug.cpu.nr_load_updates.43
     17732 ±  9%     -41.9%      10307 ±  3%  sched_debug.cpu.nr_load_updates.44
     17219 ± 13%     -35.3%      11147 ± 10%  sched_debug.cpu.nr_load_updates.45
     17973 ±  6%     -40.7%      10665 ±  6%  sched_debug.cpu.nr_load_updates.46
     17454 ±  7%     -42.7%      10006 ±  9%  sched_debug.cpu.nr_load_updates.47
     33843 ±  8%     -17.7%      27852 ±  2%  sched_debug.cpu.nr_load_updates.5
     33752 ±  6%     -18.6%      27463 ±  1%  sched_debug.cpu.nr_load_updates.6
     33530 ±  7%     -20.6%      26609 ±  0%  sched_debug.cpu.nr_load_updates.7
     33082 ±  7%     -17.8%      27202 ±  1%  sched_debug.cpu.nr_load_updates.8
     25769 ±  3%     -22.9%      19863 ±  1%  sched_debug.cpu.nr_load_updates.avg
     38510 ±  3%     -15.1%      32687 ±  2%  sched_debug.cpu.nr_load_updates.max
     15222 ± 10%     -41.0%       8984 ±  2%  sched_debug.cpu.nr_load_updates.min
      8024 ±  3%     +15.1%       9238 ±  0%  sched_debug.cpu.nr_load_updates.stddev
     70059 ± 11%     +18.0%      82660 ±  1%  sched_debug.cpu.nr_switches.0
     68459 ± 13%     +20.8%      82677 ±  6%  sched_debug.cpu.nr_switches.19
     67062 ±  8%     +30.8%      87722 ± 12%  sched_debug.cpu.nr_switches.21
     65279 ± 12%     +35.1%      88170 ± 15%  sched_debug.cpu.nr_switches.22
     27625 ±  9%     -20.7%      21898 ±  4%  sched_debug.cpu.nr_switches.26
     29791 ±  9%     -24.7%      22431 ±  6%  sched_debug.cpu.nr_switches.27
     30900 ±  5%     -21.5%      24260 ± 13%  sched_debug.cpu.nr_switches.30
     29669 ±  7%     -22.8%      22918 ± 15%  sched_debug.cpu.nr_switches.31
     30269 ±  6%     -24.3%      22926 ±  4%  sched_debug.cpu.nr_switches.32
     29870 ±  9%     -23.0%      22992 ±  3%  sched_debug.cpu.nr_switches.33
     29304 ± 16%     -20.1%      23410 ±  7%  sched_debug.cpu.nr_switches.35
     28165 ±  6%     -20.9%      22271 ±  6%  sched_debug.cpu.nr_switches.38
     29903 ±  3%     -26.0%      22122 ± 22%  sched_debug.cpu.nr_switches.39
     29541 ±  6%     -30.0%      20684 ± 13%  sched_debug.cpu.nr_switches.41
     30230 ±  7%     -22.8%      23349 ± 14%  sched_debug.cpu.nr_switches.42
     28699 ±  7%     -22.5%      22246 ±  4%  sched_debug.cpu.nr_switches.44
     30831 ± 13%     -25.7%      22905 ±  9%  sched_debug.cpu.nr_switches.46
     31671 ± 18%     -30.8%      21925 ± 11%  sched_debug.cpu.nr_switches.47
     23090 ±  3%     -23.9%      17565 ±  2%  sched_debug.cpu.nr_switches.min
     20540 ±  5%     +29.4%      26576 ±  1%  sched_debug.cpu.nr_switches.stddev
    -10.50 ±-41%     +71.4%     -18.00 ±-18%  sched_debug.cpu.nr_uninterruptible.0
     -1.17 ±-378%    +714.3%      -9.50 ±-42%  sched_debug.cpu.nr_uninterruptible.19
     -0.67 ±-320%   +1025.0%      -7.50 ±-56%  sched_debug.cpu.nr_uninterruptible.20
     -0.17 ±-538%   +6950.0%     -11.75 ±-76%  sched_debug.cpu.nr_uninterruptible.21
      2.67 ± 63%    +171.9%       7.25 ± 39%  sched_debug.cpu.nr_uninterruptible.25
      2.17 ± 97%    +246.2%       7.50 ± 29%  sched_debug.cpu.nr_uninterruptible.27
      3.00 ±101%    +183.3%       8.50 ± 30%  sched_debug.cpu.nr_uninterruptible.29
      2.33 ±106%    +178.6%       6.50 ± 17%  sched_debug.cpu.nr_uninterruptible.30
      1.67 ±206%    +320.0%       7.00 ± 31%  sched_debug.cpu.nr_uninterruptible.33
      2.50 ±125%    +250.0%       8.75 ± 30%  sched_debug.cpu.nr_uninterruptible.34
      2.83 ± 74%    +226.5%       9.25 ± 27%  sched_debug.cpu.nr_uninterruptible.36
      2.83 ± 51%    +173.5%       7.75 ± 10%  sched_debug.cpu.nr_uninterruptible.37
      1.83 ±115%    +377.3%       8.75 ± 16%  sched_debug.cpu.nr_uninterruptible.38
      3.00 ± 47%    +150.0%       7.50 ± 35%  sched_debug.cpu.nr_uninterruptible.39
      2.17 ± 62%    +350.0%       9.75 ± 15%  sched_debug.cpu.nr_uninterruptible.40
      2.67 ± 59%    +200.0%       8.00 ± 17%  sched_debug.cpu.nr_uninterruptible.42
     -1.20 ±-275%    +483.3%      -7.00 ±-26%  sched_debug.cpu.nr_uninterruptible.8
      8.14 ± 16%     +80.2%      14.67 ±  5%  sched_debug.cpu.nr_uninterruptible.max
    -16.11 ±-20%     +56.5%     -25.21 ±-15%  sched_debug.cpu.nr_uninterruptible.min
      5.17 ± 18%     +89.8%       9.81 ±  5%  sched_debug.cpu.nr_uninterruptible.stddev
     67076 ±  8%     +36.6%      91617 ± 12%  sched_debug.cpu.sched_count.21
     28419 ±  8%     -22.9%      21908 ±  4%  sched_debug.cpu.sched_count.26
     29800 ±  9%     -24.7%      22440 ±  6%  sched_debug.cpu.sched_count.27
     30909 ±  5%     -18.6%      25155 ± 11%  sched_debug.cpu.sched_count.30
     30323 ±  8%     -24.4%      22929 ± 15%  sched_debug.cpu.sched_count.31
     30278 ±  6%     -24.3%      22935 ±  4%  sched_debug.cpu.sched_count.32
     29879 ±  9%     -19.5%      24052 ± 10%  sched_debug.cpu.sched_count.33
     29314 ± 16%     -20.1%      23419 ±  7%  sched_debug.cpu.sched_count.35
     28174 ±  6%     -20.9%      22281 ±  6%  sched_debug.cpu.sched_count.38
     29913 ±  3%     -26.0%      22134 ± 22%  sched_debug.cpu.sched_count.39
     29551 ±  6%     -30.0%      20693 ± 13%  sched_debug.cpu.sched_count.41
     30241 ±  7%     -22.8%      23358 ± 14%  sched_debug.cpu.sched_count.42
     28709 ±  7%     -22.5%      22255 ±  4%  sched_debug.cpu.sched_count.44
     30840 ± 13%     -25.7%      22913 ±  9%  sched_debug.cpu.sched_count.46
     31684 ± 18%     -30.8%      21934 ± 11%  sched_debug.cpu.sched_count.47
     23099 ±  3%     -23.9%      17574 ±  2%  sched_debug.cpu.sched_count.min
     31945 ± 13%     +18.5%      37850 ±  6%  sched_debug.cpu.sched_goidle.19
     30731 ±  8%     +29.2%      39695 ± 11%  sched_debug.cpu.sched_goidle.21
     29857 ± 13%     +38.4%      41325 ± 16%  sched_debug.cpu.sched_goidle.22
     12490 ± 11%     -23.1%       9605 ±  3%  sched_debug.cpu.sched_goidle.26
     13340 ± 11%     -26.5%       9799 ±  5%  sched_debug.cpu.sched_goidle.27
     13706 ±  8%     -24.1%      10396 ± 10%  sched_debug.cpu.sched_goidle.30
     13151 ±  9%     -22.9%      10139 ± 16%  sched_debug.cpu.sched_goidle.31
     13358 ±  8%     -25.4%       9966 ±  4%  sched_debug.cpu.sched_goidle.32
     13123 ± 10%     -25.2%       9820 ±  4%  sched_debug.cpu.sched_goidle.33
     13108 ± 13%     -22.4%      10174 ±  7%  sched_debug.cpu.sched_goidle.35
     12183 ±  6%     -22.4%       9458 ±  6%  sched_debug.cpu.sched_goidle.38
     12693 ±  6%     -28.7%       9047 ± 13%  sched_debug.cpu.sched_goidle.41
     12945 ±  8%     -23.3%       9934 ± 13%  sched_debug.cpu.sched_goidle.42
     12450 ±  7%     -23.7%       9505 ±  3%  sched_debug.cpu.sched_goidle.44
     13236 ± 12%     -26.5%       9728 ±  9%  sched_debug.cpu.sched_goidle.46
     14021 ± 23%     -33.7%       9299 ± 11%  sched_debug.cpu.sched_goidle.47
     10147 ±  5%     -24.8%       7633 ±  1%  sched_debug.cpu.sched_goidle.min
     10080 ±  5%     +25.3%      12626 ±  1%  sched_debug.cpu.sched_goidle.stddev
     24925 ± 16%     +35.6%      33805 ± 12%  sched_debug.cpu.ttwu_count.19
      9941 ± 27%     -33.3%       6634 ± 15%  sched_debug.cpu.ttwu_count.25
      9312 ± 12%     -30.2%       6496 ±  6%  sched_debug.cpu.ttwu_count.27
     10973 ± 21%     -34.3%       7215 ±  8%  sched_debug.cpu.ttwu_count.29
      8854 ±  9%     -24.9%       6652 ±  2%  sched_debug.cpu.ttwu_count.31
      9747 ± 16%     -29.1%       6909 ±  5%  sched_debug.cpu.ttwu_count.32
     11309 ± 18%     -33.0%       7579 ± 19%  sched_debug.cpu.ttwu_count.40
      9685 ± 14%     -30.4%       6741 ±  7%  sched_debug.cpu.ttwu_count.43
     17375 ± 62%     -58.6%       7191 ± 16%  sched_debug.cpu.ttwu_count.47
      7059 ±  5%     -23.9%       5373 ±  3%  sched_debug.cpu.ttwu_count.min
      7971 ± 16%     +34.5%      10722 ±  4%  sched_debug.cpu.ttwu_local.0
      5557 ± 10%     +23.1%       6839 ±  6%  sched_debug.cpu.ttwu_local.1
      6025 ± 23%     +32.2%       7968 ±  7%  sched_debug.cpu.ttwu_local.12
      5675 ± 17%     +24.5%       7066 ±  8%  sched_debug.cpu.ttwu_local.13
      6633 ± 17%     +27.9%       8486 ±  3%  sched_debug.cpu.ttwu_local.19
      6719 ± 16%     +42.7%       9586 ± 15%  sched_debug.cpu.ttwu_local.21
      5919 ± 14%     +21.1%       7165 ± 13%  sched_debug.cpu.ttwu_local.3
      4183 ± 19%     -38.3%       2582 ±  7%  sched_debug.cpu.ttwu_local.39
      5434 ± 11%     +30.9%       7115 ± 10%  sched_debug.cpu.ttwu_local.4
      4196 ± 25%     -37.6%       2616 ± 12%  sched_debug.cpu.ttwu_local.41
      5914 ± 13%     +16.0%       6863 ±  3%  sched_debug.cpu.ttwu_local.6
      6296 ± 18%     +24.6%       7842 ±  9%  sched_debug.cpu.ttwu_local.9
      1882 ±  7%     +27.0%       2390 ±  1%  sched_debug.cpu.ttwu_local.stddev

=========================================================================================
compiler/disk/filesize/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
  gcc-4.9/1HDD/8K/f2fs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/nhm4/400M/fsmark

commit: 
  v4.5-rc1
  6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83

        v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
   4680516 ±  8%     +14.5%    5359884 ±  4%  fsmark.app_overhead
    525.77 ±  0%      +4.6%     550.12 ±  0%  fsmark.files_per_sec
     19446 ±  1%      -9.8%      17546 ±  0%  fsmark.time.involuntary_context_switches
     14.00 ±  0%     -17.9%      11.50 ±  4%  fsmark.time.percent_of_cpu_this_job_got
    463972 ±  0%      -6.8%     432399 ±  0%  fsmark.time.voluntary_context_switches
    251.60 ±200%   +2104.3%       5546 ±100%  latency_stats.sum.wait_on_page_bit.f2fs_wait_on_page_writeback.[f2fs].f2fs_wait_on_page_writeback.[f2fs].__f2fs_add_link.[f2fs].f2fs_mkdir.[f2fs].vfs_mkdir.SyS_mkdir.entry_SYSCALL_64_fastpath
     18701 ±  0%     -11.2%      16611 ±  1%  proc-vmstat.pgactivate
     25317 ±  0%     +11.2%      28145 ±  0%  softirqs.BLOCK
    267.69 ±  2%     -12.5%     234.29 ±  1%  uptime.idle
      6510 ±  0%      +4.0%       6770 ±  0%  vmstat.io.bo
     19446 ±  1%      -9.8%      17546 ±  0%  time.involuntary_context_switches
     14.00 ±  0%     -17.9%      11.50 ±  4%  time.percent_of_cpu_this_job_got
     13.89 ±  0%     -22.9%      10.71 ±  0%  time.system_time
      0.59 ±  6%     -18.3%       0.48 ±  3%  time.user_time
     24.32 ±  0%     +17.5%      28.57 ±  0%  turbostat.%Busy
    792.00 ±  1%     +19.5%     946.75 ±  0%  turbostat.Avg_MHz
     22.05 ±  0%    +142.3%      53.42 ±  0%  turbostat.CPU%c1
     44.77 ±  0%     -70.4%      13.25 ±  2%  turbostat.CPU%c3
      8.87 ±  5%     -46.4%       4.76 ±  1%  turbostat.CPU%c6
  18381428 ±  3%    +761.8%  1.584e+08 ±  0%  cpuidle.C1-NHM.time
     32978 ±  1%    +191.0%      95971 ±  0%  cpuidle.C1-NHM.usage
  24159280 ±  1%    +268.7%   89074691 ±  1%  cpuidle.C1E-NHM.time
     39453 ±  0%     +31.4%      51846 ±  1%  cpuidle.C1E-NHM.usage
  3.87e+08 ±  0%     -48.4%  1.998e+08 ±  0%  cpuidle.C3-NHM.time
    209952 ±  0%     -41.9%     122009 ±  0%  cpuidle.C3-NHM.usage
 1.726e+08 ±  2%     -45.9%   93298544 ±  2%  cpuidle.C6-NHM.time
     84430 ±  1%     -50.4%      41860 ±  1%  cpuidle.C6-NHM.usage
 1.748e+08 ±  0%     +15.4%  2.018e+08 ±  0%  cpuidle.POLL.time
    120026 ±  0%     +32.3%     158824 ±  0%  cpuidle.POLL.usage
      1432 ± 52%     -34.0%     945.59 ±  7%  sched_debug.cfs_rq:/.exec_clock.1
      1099 ±  7%     -17.3%     909.21 ±  7%  sched_debug.cfs_rq:/.exec_clock.2
      1102 ±  4%     -19.5%     887.21 ±  4%  sched_debug.cfs_rq:/.exec_clock.3
      2120 ± 44%     -70.8%     618.32 ±  6%  sched_debug.cfs_rq:/.exec_clock.4
    741.50 ±  6%     -19.6%     595.94 ±  9%  sched_debug.cfs_rq:/.exec_clock.5
    848.32 ± 12%     -17.9%     696.64 ± 14%  sched_debug.cfs_rq:/.exec_clock.7
      1242 ±  0%     -12.2%       1091 ±  0%  sched_debug.cfs_rq:/.exec_clock.avg
    706.35 ±  2%     -19.0%     572.30 ±  5%  sched_debug.cfs_rq:/.exec_clock.min
    696.95 ± 12%     +26.4%     881.26 ±  3%  sched_debug.cfs_rq:/.exec_clock.stddev
     80.73 ± 17%     +31.5%     106.16 ± 16%  sched_debug.cfs_rq:/.load_avg.avg
      3549 ± 15%     +37.7%       4888 ±  7%  sched_debug.cfs_rq:/.min_vruntime.0
      3473 ± 25%     -52.9%       1636 ± 15%  sched_debug.cfs_rq:/.min_vruntime.4
      2195 ± 19%     -24.9%       1649 ± 14%  sched_debug.cfs_rq:/.min_vruntime.5
      2198 ± 16%     -22.2%       1711 ± 15%  sched_debug.cfs_rq:/.min_vruntime.7
      2703 ±  0%     -10.5%       2419 ±  0%  sched_debug.cfs_rq:/.min_vruntime.avg
      4291 ±  8%     +13.9%       4888 ±  7%  sched_debug.cfs_rq:/.min_vruntime.max
      1806 ±  5%     -21.1%       1424 ±  5%  sched_debug.cfs_rq:/.min_vruntime.min
    788.12 ± 11%     +30.8%       1030 ± 14%  sched_debug.cfs_rq:/.min_vruntime.stddev
   -577.72 ±-184%    +349.5%      -2596 ±-25%  sched_debug.cfs_rq:/.spread0.1
   -798.00 ±-80%    +189.1%      -2306 ±-17%  sched_debug.cfs_rq:/.spread0.2
     -1088 ±-70%    +121.2%      -2408 ±-15%  sched_debug.cfs_rq:/.spread0.3
    -77.23 ±-1651%   +4110.9%      -3251 ±-17%  sched_debug.cfs_rq:/.spread0.4
     -1355 ±-11%    +139.0%      -3239 ±-16%  sched_debug.cfs_rq:/.spread0.5
   -846.87 ±-66%    +191.5%      -2469 ±-15%  sched_debug.cfs_rq:/.spread0.avg
     -1744 ±-34%     +98.5%      -3463 ±-13%  sched_debug.cfs_rq:/.spread0.min
    788.41 ± 11%     +30.8%       1031 ± 14%  sched_debug.cfs_rq:/.spread0.stddev
    166.83 ± 33%     +86.1%     310.50 ± 55%  sched_debug.cfs_rq:/.util_avg.5
    633424 ± 20%     +36.3%     863396 ± 13%  sched_debug.cpu.avg_idle.7
    359464 ± 23%     +34.2%     482294 ± 17%  sched_debug.cpu.avg_idle.min
      0.75 ±110%    +300.0%       3.00 ± 81%  sched_debug.cpu.cpu_load[1].3
      0.50 ±100%    +450.0%       2.75 ± 69%  sched_debug.cpu.cpu_load[2].3
      0.50 ±173%    +500.0%       3.00 ± 52%  sched_debug.cpu.cpu_load[3].3
      0.25 ±173%   +1300.0%       3.50 ± 58%  sched_debug.cpu.cpu_load[4].3
      6351 ± 12%     -30.0%       4445 ±  2%  sched_debug.cpu.nr_load_updates.4
     37017 ±  6%     +11.2%      41155 ±  7%  sched_debug.cpu.nr_switches.7
     13595 ±  8%     +14.2%      15525 ±  7%  sched_debug.cpu.nr_switches.stddev
     -2130 ± -4%     -17.3%      -1761 ± -4%  sched_debug.cpu.nr_uninterruptible.0
   -337.83 ±-28%     -42.9%    -192.75 ±-15%  sched_debug.cpu.nr_uninterruptible.2
    784.00 ±  9%     -30.2%     547.25 ± 19%  sched_debug.cpu.nr_uninterruptible.5
    926.00 ±  7%     -25.6%     688.50 ±  2%  sched_debug.cpu.nr_uninterruptible.max
     -2129 ± -4%     -17.3%      -1760 ± -4%  sched_debug.cpu.nr_uninterruptible.min
    959.80 ±  5%     -20.8%     759.81 ±  2%  sched_debug.cpu.nr_uninterruptible.stddev
     37044 ±  6%     +11.2%      41177 ±  7%  sched_debug.cpu.sched_count.7
     14921 ±  8%     +16.0%      17307 ±  9%  sched_debug.cpu.sched_goidle.7
     21799 ±  4%     +10.5%      24078 ±  1%  sched_debug.cpu.ttwu_count.stddev
     22901 ±  2%     +12.5%      25754 ±  4%  sched_debug.cpu.ttwu_local.0
      4759 ± 11%     -27.2%       3465 ±  3%  sched_debug.cpu.ttwu_local.4
     22984 ±  1%     +12.4%      25827 ±  4%  sched_debug.cpu.ttwu_local.max
      6202 ±  1%     +16.4%       7217 ±  5%  sched_debug.cpu.ttwu_local.stddev

=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
  gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/lkp-ivb-d02/execl/unixbench

commit: 
  v4.5-rc1
  6ffc77f48b85ed9ab9a7b2754a7b49891ebaff83

        v4.5-rc1 6ffc77f48b85ed9ab9a7b2754a 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      1260 ±  0%      +8.7%       1369 ±  0%  unixbench.score
    484658 ±  0%      +8.7%     526705 ±  0%  unixbench.time.involuntary_context_switches
  22562139 ±  0%      +8.7%   24527176 ±  0%  unixbench.time.minor_page_faults
    515.20 ±  3%     +84.1%     948.25 ±  2%  time.voluntary_context_switches
     17071 ±  0%      +7.9%      18427 ±  0%  vmstat.system.cs
      2842 ±  2%    +110.9%       5993 ±  0%  vmstat.system.in
  40099209 ±  5%    +367.2%  1.873e+08 ±  4%  cpuidle.C1E-IVB.time
    314651 ±  5%    +221.5%    1011451 ±  0%  cpuidle.C1E-IVB.usage
  48936191 ±  9%     -66.3%   16512783 ± 27%  cpuidle.C3-IVB.time
    141452 ±  9%     -79.3%      29263 ± 29%  cpuidle.C3-IVB.usage
 2.177e+08 ±  3%     -55.1%   97821419 ±  4%  cpuidle.C6-IVB.time
    292192 ±  3%     -82.4%      51299 ± 15%  cpuidle.C6-IVB.usage
    142094 ±  2%     +14.3%     162480 ±  1%  sched_debug.cpu.nr_switches.0
    150091 ±  2%     +13.5%     170367 ±  1%  sched_debug.cpu.sched_count.0
    153262 ±  3%     +11.2%     170368 ±  1%  sched_debug.cpu.sched_count.max
     51184 ±  4%     +16.6%      59659 ±  2%  sched_debug.cpu.sched_goidle.0
     41761 ±  5%      +8.2%      45170 ±  3%  sched_debug.cpu.sched_goidle.min
     40770 ±  4%     +14.0%      46477 ±  6%  sched_debug.cpu.ttwu_count.min
     43310 ±  3%     +12.5%      48739 ±  0%  sched_debug.cpu.ttwu_local.0
     35767 ±  1%     +11.3%      39826 ±  2%  sched_debug.cpu.ttwu_local.3
     22.72 ±  0%      +5.6%      23.99 ±  0%  turbostat.%Busy
    747.40 ±  0%      +5.7%     789.75 ±  0%  turbostat.Avg_MHz
     41.33 ±  2%     +60.1%      66.16 ±  0%  turbostat.CPU%c1
     25.99 ±  3%     -96.0%       1.03 ± 26%  turbostat.CPU%c3
      9.96 ±  1%     -11.4%       8.83 ±  2%  turbostat.CPU%c6
     10.22 ±  0%      +7.2%      10.96 ±  0%  turbostat.CorWatt
      0.22 ± 49%    +273.9%       0.83 ± 50%  turbostat.Pkg%pc3
      8.98 ±  2%     -16.2%       7.53 ±  5%  turbostat.Pkg%pc6
     27.07 ±  0%      +2.7%      27.81 ±  0%  turbostat.PkgWatt


ivb43: Ivytown Ivy Bridge-EP
Memory: 64G

nhm4: Nehalem
Memory: 4G

lkp-ivb-d02: Ivy Bridge
Memory: 8G

                     fsmark.time.percent_of_cpu_this_job_got

  14 *+-*--*--*--*--*--*--*--*--*--*-----*-*-----*--*--*--*--*--*--*--*--*--*
     |                                 ..      ..                           |
  13 ++                               *       *                             |
  12 ++                                          O  O        O  O           |
     |                                                                      |
  11 ++                   O  O  O  O  O  O O  O        O  O        O  O     |
     |                                                                      |
  10 ++                                                                     |
     |                                                                      |
   9 ++                                                                     |
   8 ++                                                                     |
     |                                                                      |
   7 ++       O     O                                                       |
     |                                                                      |
   6 O+-O--O-----O-----O----------------------------------------------------+


                                  cpuidle.C1-NHM.time

  2.5e+08 ++-O--O----O-----O------------------------------------------------+
          O       O     O                                                   |
          |                                                                 |
    2e+08 ++                                                                |
          |                                                                 |
          |                  O  O  O  O O  O  O  O O  O  O  O O  O  O  O    |
  1.5e+08 ++                                                                |
          |                                                                 |
    1e+08 ++                                                                |
          |                                                                 |
          |                                                                 |
    5e+07 ++                                                                |
          |                                                                 |
          *..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*..*..*.*..*
        0 ++----------------------------------------------------------------+


                                cpuidle.C1-NHM.usage

  120000 O+-O---------------------------------------------------------------+
         |     O O  O  O  O                                                 |
  110000 ++                                                                 |
  100000 ++                          O  O       O                           |
         |                   O O  O        O O     O  O O  O  O  O  O O     |
   90000 ++                                                                 |
   80000 ++                                                                 |
         |                                                                  |
   70000 ++                                                                 |
   60000 ++                                                                 |
         |                                                                  |
   50000 ++                                                                 |
   40000 ++                             *..     *..                         |
         |      .*..                  ..      ..          .*..          .*..|
   30000 *+-*--*----*--*--*--*-*--*--*-----*-*-----*--*-*-----*--*--*-*-----*


                                cpuidle.C1E-NHM.time

  1e+08 ++------------------------------------------------------------------+
        |                                                                   |
  9e+07 ++               O  O  O  O O  O  O     O  O O  O  O  O  O  O O     |
  8e+07 O+ O  O  O O  O                      O                              |
        |                                                                   |
  7e+07 ++                                                                  |
        |                                                                   |
  6e+07 ++                                                                  |
        |                                                                   |
  5e+07 ++                                                                  |
  4e+07 ++                                                                  |
        |                                                                   |
  3e+07 ++                            .*..     .*..                         |
        *..*..*..*.*..*..*..*..*..*.*.    *..*.    *.*..*..*..*..*..*.*..*..*
  2e+07 ++------------------------------------------------------------------+


                                  cpuidle.C3-NHM.time

  4.5e+08 ++----------------------------------------------------------------+
          |                                                                 |
    4e+08 ++           .*..*.*..*..*..*.*..*..*..*.                         |
          *..*..*.*..*.                            *..*..*..*.*..*..*..*.*..*
          |                                                                 |
  3.5e+08 ++                                                                |
          |                                                                 |
    3e+08 ++                                                                |
          |                                                                 |
  2.5e+08 ++                                                                |
          |                                                                 |
          |                           O    O                                |
    2e+08 O+      O  O  O    O  O  O    O     O  O O  O  O  O O  O  O  O    |
          |  O  O          O                                                |
  1.5e+08 ++----------------------------------------------------------------+


                                cpuidle.C3-NHM.usage

  280000 ++-----------------------------------------------------------------+
         |                              *       *                           |
  260000 ++                            : :     : :                          |
  240000 ++                            :  :    :  :                         |
         |                            :   :   :   :                         |
  220000 *+.*.. .*..*..*..*..*.*..*..*     *.*     *..*.  .*..*..*..*.  .*..*
  200000 ++    *                                        *.            *.    |
         |                                                                  |
  180000 ++                                                                 |
  160000 ++                                                                 |
         |                           O                                      |
  140000 O+                                                                 |
  120000 ++                  O O  O     O  O O  O  O  O O  O  O  O  O O     |
         |  O  O O  O  O  O                                                 |
  100000 ++-----------------------------------------------------------------+


                                  cpuidle.C6-NHM.time

    2e+08 ++----------------------------------------------------------------+
          |                                                                 |
  1.8e+08 ++   .*               *..                     .*..          .*    |
          *..*.  +     .*..*. ..     .*    *..*..  *..*.        .*..*.  +   |
          |       *..*.      *     *.  :  +       +         *.*.         *..*
  1.6e+08 ++                           : +       *                          |
          |                             *                                   |
  1.4e+08 ++                                                                |
          |                                                                 |
  1.2e+08 ++                                                                |
          |                                                                 |
          |                                   O                             |
    1e+08 ++                 O  O  O       O     O    O  O       O  O       |
          |  O    O  O  O             O O          O        O O        O    |
    8e+07 O+----O----------O------------------------------------------------+


                                cpuidle.C6-NHM.usage

  90000 ++---------------------*--------------------------------------------+
        *..*..*..    .*..*.. ..    .*..  .*..*..*..*.*..*..     .*..*.*..   |
  80000 ++       *.*.       *     *    *.                  *..*.         *..*
        |                                                                   |
        |                                                                   |
  70000 ++                                                                  |
        |                                                                   |
  60000 ++                                                                  |
        |                                                                   |
  50000 ++                                                                  |
        |                                                                   |
        |          O  O     O  O  O O     O  O  O  O O  O  O  O  O  O O     |
  40000 O+ O  O  O       O             O                                    |
        |                                                                   |
  30000 ++------------------------------------------------------------------+



                           aim9.shell_rtns_2.ops_per_sec

  460 ++--------------------------------------------------------------------+
      |    O                                                                |
  450 O+ O       O O          O       O  O  O       O O                     |
  440 ++      O       O  O  O    O            O  O       O  O               |
      |                             O                                       |
  430 ++                                                                    |
  420 ++                                                                    |
      |                                                                     |
  410 ++                                                                    |
  400 ++                                      *                             |
      |       *..                            : :            *..          *..|
  390 ++     +   *.                          :  :          +   *.       :   *
  380 *+.   +      *..     .*.*..*..*.*..*..*   :  .*.    +      *..    :   |
      |  *.*          *..*.                      *.   *..*          *..*    |
  370 ++--------------------------------------------------------------------+


                               aim9.time.user_time

  58 ++-------------------------------O-------------------------------------+
     |  O O        O O  O  O  O O  O     O O  O  O O  O  O  O               |
  57 O+         O                                                           |
  56 ++      O                                                              |
     |                                                                      |
  55 ++                                                                     |
  54 ++                                                                     |
     |                                                                      |
  53 ++                                                                     |
  52 ++                                       *                             |
     |       *..                             + +            *.           *..|
  51 ++     +   *..                         +   +          +  *..       :   *
  50 *+.*. +       *    *..*..*.*..*..  .*.*     *.*..*.. +      *..*.. :   |
     |    *         + ..              *.                 *             *    |
  49 ++--------------*------------------------------------------------------+


                              aim9.time.minor_page_faults

  4.5e+07 ++----------------------------------------------------------------+
          O    O                                                            |
  4.4e+07 ++ O    O O  O O  O O  O      O  O  O O  O O  O O  O              |
  4.3e+07 ++                       O  O                                     |
          |                                                                 |
  4.2e+07 ++                                                                |
  4.1e+07 ++                                                                |
          |                                                                 |
    4e+07 ++                                                                |
  3.9e+07 ++                                    *                           |
          |       *.                           : +           *.          *..|
  3.8e+07 ++    ..  *..      .*..*.*..         :  +        ..  *..      +   *
  3.7e+07 *+.*.*       *.*..*         *.*..*..*    *.*..*.*       *.*..*    |
          |                                                                 |
  3.6e+07 ++----------------------------------------------------------------+


                         aim9.time.voluntary_context_switches

   1.1e+06 ++---------------------------------------------------------------+
  1.08e+06 ++   O                                                           |
           O  O      O            O      O  O O       O O                   |
  1.06e+06 ++      O    O O  O O    O            O O       O O              |
  1.04e+06 ++                          O                                    |
           |                                                                |
  1.02e+06 ++                                                               |
     1e+06 ++                                                               |
    980000 ++                                                               |
           |                                                                |
    960000 ++                                    *                          |
    940000 ++      *.                           + :          *..          *.|
           |      +  *..         .*.*..        +  :         :   *.       +  *
    920000 *+.   +      *.    .*.      *.*..*.*    *..*.    :     *..   +   |
    900000 ++-*-*---------*--*--------------------------*--*---------*-*----+


                       aim9.time.involuntary_context_switches

  420000 ++-----------------------------------------------------------------+
         |                                                                  |
  410000 O+ O O    O            O       O                                   |
  400000 ++      O    O O  O  O    O       O O       O O                    |
         |                           O          O O       O  O              |
  390000 ++                                                                 |
         |                                                                  |
  380000 ++                                                                 |
         |                                                                  |
  370000 ++                                                                 |
  360000 ++                                     *                           |
         |       *.                            + :           *.          *..|
  350000 ++     +  *..*.     .*.*..*.*..*..*. +  :          +  *..      :   *
         *..   +        *..*.                *    *..*.    +      *.    :   |
  340000 ++-*-*----------------------------------------*--*---------*--*----+


                                  unixbench.score

  1400 ++-------------------------------------------------------------------+
       |                         O O O O O                                  |
  1380 O+O O O   O O O   O O O O          O                                 |
  1360 ++      O                            O O O O O O O O                 |
       |               O                                                    |
  1340 ++                                                                   |
       |                                                                    |
  1320 ++                                                                   |
       |                                                                    |
  1300 ++                                                                   |
  1280 ++                                                                   |
       |                      .*.*. .*.                                     |
  1260 *+*.*.*.*.*.*.*. .*.*.*     *   *.**.*.*.*.*.*. .*.*.*.*.*.*.*.*.*. .*
       |               *                              *                   * |
  1240 ++-------------------------------------------------------------------+


                     unixbench.time.involuntary_context_switches

  540000 ++-----------------------------------------------------------------+
         |         O            O O O O   OO                                |
  530000 ++O   O      O   O O           O                                   |
         O   O   O  O         O              O O O O O O O O                |
         |              O                                                   |
  520000 ++                                                                 |
         |                                                                  |
  510000 ++                                                                 |
         |                                                                  |
  500000 ++                                                                 |
         |                                                                  |
         |                                                                  |
  490000 ++   .*.          .*. .*.*. .*.    .*.                 .*          |
         *.*.*   *.**. .*.*   *     *   *.**   *.*.*. .*.*.*.*.*  *.*.*. .*.*
  480000 ++-----------*------------------------------*------------------*---+

	[*] bisect-good sample
	[O] bisect-bad  sample

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

View attachment "job.yaml" of type "text/plain" (3537 bytes)

Download attachment "reproduce.sh" of type "application/x-sh" (409 bytes)

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