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Message-ID: <20181119092601.GR18977@shao2-debian>
Date:   Mon, 19 Nov 2018 17:26:01 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     Ingo Molnar <mingo@...nel.org>, Aaron Lu <aaron.lu@...el.com>,
        Ye Xiaolong <xiaolong.ye@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Quentin Perret <quentin.perret@....com>,
        Steve Muckle <smuckle@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Todd Kjos <tkjos@...gle.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [LKP] [sched/fair]  c469933e77:  unixbench.score 9.3% improvement

Greeting,

FYI, we noticed a 9.3% improvement of unixbench.score due to commit:


commit: c469933e772132aad040bd6a2adc8edf9ad6f825 ("sched/fair: Fix cpu_util_wake() for 'execl' type workloads")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: unixbench
on test machine: 16 threads Intel(R) Xeon(R) CPU D-1541 @ 2.10GHz with 8G memory
with following parameters:

	runtime: 300s
	nr_task: 100%
	test: execl
	ucode: 0x7000013
	cpufreq_governor: performance

test-description: UnixBench is the original BYTE UNIX benchmark suite aims to test performance of Unix-like system.
test-url: https://github.com/kdlucas/byte-unixbench



Details are as below:
-------------------------------------------------------------------------------------------------->


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml

=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/runtime/tbox_group/test/testcase/ucode:
  gcc-7/performance/x86_64-rhel-7.2/100%/debian-x86_64-2018-04-03.cgz/300s/lkp-bdw-de1/execl/unixbench/0x7000013

commit: 
  e1ff516a56 ("sched/fair: Fix a comment in task_numa_fault()")
  c469933e77 ("sched/fair: Fix cpu_util_wake() for 'execl' type workloads")

e1ff516a56ad56c4 c469933e772132aad040bd6a2a 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
      8276            +9.3%       9049        unixbench.score
   9424325           -86.8%    1243368 ±  4%  unixbench.time.involuntary_context_switches
 5.012e+08           +12.0%  5.612e+08        unixbench.time.minor_page_faults
      1161 ±  3%     +14.4%       1328        unixbench.time.percent_of_cpu_this_job_got
      3314           +13.7%       3769        unixbench.time.system_time
    681.50           +11.7%     761.05        unixbench.time.user_time
   2983499          +205.1%    9103817        unixbench.time.voluntary_context_switches
  11984682            +9.8%   13162410        unixbench.workload
     18.50            +0.8%      18.65        boot-time.dhcp
   2759872           -98.0%      54789 ±  3%  interrupts.CAL:Function_call_interrupts
   6073453 ±  3%     +10.2%    6692409 ±  3%  softirqs.RCU
     23.55 ±  8%     -10.0       13.55 ±  4%  mpstat.cpu.idle%
     60.39 ±  2%      +8.3       68.70        mpstat.cpu.sys%
     91338 ±  2%     -34.0%      60255        vmstat.system.cs
     40263           -18.0%      33007        vmstat.system.in
 2.451e+08           -94.2%   14258526        cpuidle.C1.time
   7930768           -48.4%    4088639        cpuidle.C1.usage
 1.981e+08 ±  5%     -95.0%    9807359 ± 21%  cpuidle.C1E.time
   4505765 ±  3%     -93.0%     317380 ±  5%  cpuidle.C1E.usage
   2963542 ±  3%    +403.8%   14930439        cpuidle.POLL.time
    708625 ±  2%    +630.1%    5173851        cpuidle.POLL.usage
    771.25 ± 26%     -35.1%     500.75 ±  6%  slabinfo.dmaengine-unmap-16.active_objs
    771.25 ± 26%     -35.1%     500.75 ±  6%  slabinfo.dmaengine-unmap-16.num_objs
    248.75 ± 10%     -45.4%     135.75 ± 45%  slabinfo.secpath_cache.active_objs
    248.75 ± 10%     -45.4%     135.75 ± 45%  slabinfo.secpath_cache.num_objs
      1208 ±  6%     +32.5%       1600 ±  8%  slabinfo.skbuff_head_cache.active_objs
      1240 ±  9%     +29.0%       1600 ±  8%  slabinfo.skbuff_head_cache.num_objs
      8877            +7.8%       9571        proc-vmstat.nr_inactive_anon
      1439 ±  2%      +3.5%       1489        proc-vmstat.nr_page_table_pages
     10413            +4.4%      10867        proc-vmstat.nr_shmem
      8877            +7.8%       9571        proc-vmstat.nr_zone_inactive_anon
 3.892e+08           +11.3%  4.332e+08        proc-vmstat.numa_hit
 3.892e+08           +11.3%  4.332e+08        proc-vmstat.numa_local
     10988           -93.7%     691.25 ±  2%  proc-vmstat.pgactivate
 3.998e+08           +11.3%  4.449e+08        proc-vmstat.pgalloc_normal
 5.044e+08           +12.9%  5.695e+08        proc-vmstat.pgfault
 3.998e+08           +11.3%  4.448e+08        proc-vmstat.pgfree
   7929130           -87.1%    1022401 ±173%  turbostat.C1
      4.38 ±  2%      -4.3        0.07 ±173%  turbostat.C1%
   4505651 ±  3%     -98.3%      74544 ±173%  turbostat.C1E
      3.54 ±  4%      -3.5        0.04 ±173%  turbostat.C1E%
    562189 ± 54%     -96.1%      21843 ±173%  turbostat.C6
      7.81 ± 61%      -7.5        0.28 ±173%  turbostat.C6%
     15.91 ± 10%     -87.7%       1.96 ±173%  turbostat.CPU%c1
      4.40 ± 70%     -97.6%       0.10 ±173%  turbostat.CPU%c6
  16844954 ±  2%     -83.1%    2844682 ±173%  turbostat.IRQ
      0.51 ± 28%     -86.3%       0.07 ±173%  turbostat.Pkg%pc2
      2.72           -75.2%       0.67 ±173%  turbostat.RAMWatt
      2100           -75.1%     523.25 ±173%  turbostat.TSC_MHz
 1.387e+12           +10.8%  1.537e+12        perf-stat.branch-instructions
 3.543e+10            +9.8%  3.892e+10        perf-stat.branch-misses
     2e+11            -9.2%  1.817e+11        perf-stat.cache-misses
     2e+11            -9.2%  1.817e+11        perf-stat.cache-references
  32078199           -35.3%   20767724        perf-stat.context-switches
 1.071e+13           +10.6%  1.185e+13        perf-stat.cpu-cycles
   9385083           -92.8%     678167 ± 11%  perf-stat.cpu-migrations
      0.45 ±  2%      -0.1        0.40 ±  6%  perf-stat.dTLB-load-miss-rate%
 1.881e+12           +10.7%  2.082e+12        perf-stat.dTLB-loads
      0.12 ±  2%      -0.0        0.11        perf-stat.dTLB-store-miss-rate%
 1.011e+12            +9.3%  1.104e+12        perf-stat.dTLB-stores
 3.311e+09            +8.0%  3.575e+09        perf-stat.iTLB-load-misses
 2.874e+09            +6.1%  3.049e+09        perf-stat.iTLB-loads
 6.945e+12           +10.6%  7.681e+12        perf-stat.instructions
      2097            +2.4%       2148        perf-stat.instructions-per-iTLB-miss
 4.808e+08           +12.0%  5.388e+08        perf-stat.minor-faults
 4.808e+08           +12.0%  5.388e+08        perf-stat.page-faults
     40.50           -40.5        0.00        perf-profile.calltrace.cycles-pp.execve
     40.33           -40.3        0.00        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.execve
     40.33           -40.3        0.00        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
     40.32           -40.3        0.00        perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
     40.25           -40.2        0.00        perf-profile.calltrace.cycles-pp.__do_execve_file.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
     29.41           -29.4        0.00        perf-profile.calltrace.cycles-pp.search_binary_handler.__do_execve_file.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe
     29.31           -29.3        0.00        perf-profile.calltrace.cycles-pp.load_elf_binary.search_binary_handler.__do_execve_file.__x64_sys_execve.do_syscall_64
     16.09 ±  5%     -16.1        0.00        perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     16.06 ±  2%     -16.1        0.00        perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
     16.01 ±  2%     -16.0        0.00        perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
     15.24           -15.2        0.00        perf-profile.calltrace.cycles-pp.page_fault
     15.02           -15.0        0.00        perf-profile.calltrace.cycles-pp.flush_old_exec.load_elf_binary.search_binary_handler.__do_execve_file.__x64_sys_execve
     14.64           -14.6        0.00        perf-profile.calltrace.cycles-pp.do_page_fault.page_fault
     14.44           -14.4        0.00        perf-profile.calltrace.cycles-pp.mmput.flush_old_exec.load_elf_binary.search_binary_handler.__do_execve_file
     14.38           -14.4        0.00        perf-profile.calltrace.cycles-pp.exit_mmap.mmput.flush_old_exec.load_elf_binary.search_binary_handler
     14.30 ±  2%     -14.3        0.00        perf-profile.calltrace.cycles-pp.__do_page_fault.do_page_fault.page_fault
     13.66           -13.7        0.00        perf-profile.calltrace.cycles-pp.secondary_startup_64
     12.50 ±  2%     -12.5        0.00        perf-profile.calltrace.cycles-pp.handle_mm_fault.__do_page_fault.do_page_fault.page_fault
     12.50           -12.5        0.00        perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64
     12.49           -12.5        0.00        perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64
     12.47           -12.5        0.00        perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
     11.53           -11.5        0.00        perf-profile.calltrace.cycles-pp.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
     11.05           -11.1        0.00        perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.do_idle.cpu_startup_entry.start_secondary
      7.58 ±  5%      -7.6        0.00        perf-profile.calltrace.cycles-pp.filemap_map_pages.__handle_mm_fault.handle_mm_fault.__do_page_fault.do_page_fault
      6.96 ±  2%      -7.0        0.00        perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.mmput.flush_old_exec.load_elf_binary
      6.63 ±  3%      -6.6        0.00        perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.exit_mmap.mmput.flush_old_exec
     56.55           -56.5        0.00        perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
     56.48           -56.5        0.00        perf-profile.children.cycles-pp.do_syscall_64
     40.52           -40.5        0.00        perf-profile.children.cycles-pp.__x64_sys_execve
     40.51           -40.5        0.00        perf-profile.children.cycles-pp.execve
     40.44           -40.4        0.00        perf-profile.children.cycles-pp.__do_execve_file
     29.47           -29.5        0.00        perf-profile.children.cycles-pp.search_binary_handler
     29.36           -29.4        0.00        perf-profile.children.cycles-pp.load_elf_binary
     23.27           -23.3        0.00        perf-profile.children.cycles-pp.page_fault
     22.12           -22.1        0.00        perf-profile.children.cycles-pp.do_page_fault
     21.66           -21.7        0.00        perf-profile.children.cycles-pp.__do_page_fault
     20.36           -20.4        0.00        perf-profile.children.cycles-pp.handle_mm_fault
     19.64           -19.6        0.00        perf-profile.children.cycles-pp.__handle_mm_fault
     15.03           -15.0        0.00        perf-profile.children.cycles-pp.flush_old_exec
     14.46           -14.5        0.00        perf-profile.children.cycles-pp.mmput
     14.39           -14.4        0.00        perf-profile.children.cycles-pp.exit_mmap
     13.66           -13.7        0.00        perf-profile.children.cycles-pp.secondary_startup_64
     13.66           -13.7        0.00        perf-profile.children.cycles-pp.cpu_startup_entry
     13.66           -13.7        0.00        perf-profile.children.cycles-pp.do_idle
     12.67           -12.7        0.00        perf-profile.children.cycles-pp.cpuidle_enter_state
     12.50           -12.5        0.00        perf-profile.children.cycles-pp.start_secondary
     12.14           -12.1        0.00        perf-profile.children.cycles-pp.intel_idle
     10.19 ±  2%     -10.2        0.00        perf-profile.children.cycles-pp.filemap_map_pages
      7.43 ±  3%      -7.4        0.00        perf-profile.children.cycles-pp.unmap_vmas
      7.42 ±  3%      -7.4        0.00        perf-profile.children.cycles-pp.vm_mmap_pgoff
      7.15 ±  4%      -7.2        0.00        perf-profile.children.cycles-pp.unmap_page_range
      6.75 ±  3%      -6.8        0.00        perf-profile.children.cycles-pp.do_mmap
      6.04 ±  4%      -6.0        0.00        perf-profile.children.cycles-pp.mmap_region
      5.95 ±  5%      -5.9        0.00        perf-profile.children.cycles-pp.copy_strings
     12.13           -12.1        0.00        perf-profile.self.cycles-pp.intel_idle
      5.79 ±  3%      -5.8        0.00        perf-profile.self.cycles-pp.filemap_map_pages
    113208           +12.7%     127543        sched_debug.cfs_rq:/.exec_clock.avg
    118394           +12.2%     132857        sched_debug.cfs_rq:/.exec_clock.max
     81434           +13.0%      92036        sched_debug.cfs_rq:/.exec_clock.min
      8558 ±  2%     +11.8%       9569 ±  2%  sched_debug.cfs_rq:/.exec_clock.stddev
      2449 ±173%   +1297.3%      34233 ± 16%  sched_debug.cfs_rq:/.load.min
    137.71 ±  3%     -16.3%     115.21 ±  7%  sched_debug.cfs_rq:/.load_avg.avg
    788.71 ± 11%     -26.1%     582.54 ± 18%  sched_debug.cfs_rq:/.load_avg.max
      6.92 ± 13%    +489.8%      40.79 ± 12%  sched_debug.cfs_rq:/.load_avg.min
    202.92 ±  8%     -27.1%     147.99 ± 19%  sched_debug.cfs_rq:/.load_avg.stddev
   1576620           +28.1%    2018957        sched_debug.cfs_rq:/.min_vruntime.avg
   1635360           +29.6%    2119584        sched_debug.cfs_rq:/.min_vruntime.max
   1159560           +26.8%    1469979        sched_debug.cfs_rq:/.min_vruntime.min
    111863 ±  2%     +31.3%     146873 ±  3%  sched_debug.cfs_rq:/.min_vruntime.stddev
      0.04 ±173%   +1300.0%       0.58 ± 14%  sched_debug.cfs_rq:/.nr_running.min
      0.33 ±  7%     -44.0%       0.18 ± 11%  sched_debug.cfs_rq:/.nr_running.stddev
      1.03 ± 27%    +113.6%       2.20 ± 14%  sched_debug.cfs_rq:/.nr_spread_over.avg
      4.83 ± 28%    +490.5%      28.54 ± 17%  sched_debug.cfs_rq:/.nr_spread_over.max
      1.51 ± 23%    +360.5%       6.94 ± 16%  sched_debug.cfs_rq:/.nr_spread_over.stddev
     95.24 ±  6%     -26.6%      69.90 ± 12%  sched_debug.cfs_rq:/.runnable_load_avg.avg
    579.96 ± 10%     -39.6%     350.29 ± 38%  sched_debug.cfs_rq:/.runnable_load_avg.max
    145.61 ± 13%     -42.9%      83.20 ± 41%  sched_debug.cfs_rq:/.runnable_load_avg.stddev
     34888 ± 36%    +130.2%      80299 ± 20%  sched_debug.cfs_rq:/.spread0.max
   -440912           +29.1%    -569300        sched_debug.cfs_rq:/.spread0.min
    111863 ±  2%     +31.3%     146867 ±  3%  sched_debug.cfs_rq:/.spread0.stddev
      1670 ±  8%     -19.2%       1350 ±  7%  sched_debug.cfs_rq:/.util_avg.max
     79.79 ± 30%    +349.8%     358.92 ± 31%  sched_debug.cfs_rq:/.util_avg.min
    414.50 ±  5%     -44.1%     231.79 ± 13%  sched_debug.cfs_rq:/.util_avg.stddev
    566.45 ±  7%     +22.4%     693.12 ±  9%  sched_debug.cfs_rq:/.util_est_enqueued.avg
      1393 ±  6%     -25.6%       1036 ±  6%  sched_debug.cfs_rq:/.util_est_enqueued.max
     20.88 ±173%   +1416.8%     316.62 ± 34%  sched_debug.cfs_rq:/.util_est_enqueued.min
    359.45 ±  7%     -55.3%     160.66 ± 11%  sched_debug.cfs_rq:/.util_est_enqueued.stddev
    374128 ± 12%     -49.1%     190255 ± 31%  sched_debug.cpu.avg_idle.avg
    617641 ±  7%     -38.9%     377525 ± 27%  sched_debug.cpu.avg_idle.max
     88961 ± 11%     -89.1%       9703 ± 60%  sched_debug.cpu.avg_idle.min
    137137 ±  7%     -27.5%      99404 ± 25%  sched_debug.cpu.avg_idle.stddev
      0.86 ± 17%    +137.8%       2.05 ± 18%  sched_debug.cpu.clock.stddev
      0.86 ± 16%    +137.5%       2.05 ± 18%  sched_debug.cpu.clock_task.stddev
     90.01 ±  7%     -20.8%      71.26 ± 10%  sched_debug.cpu.cpu_load[0].avg
    507.67 ± 10%     -30.6%     352.42 ± 36%  sched_debug.cpu.cpu_load[0].max
      2.38 ±173%   +1064.9%      27.67 ± 25%  sched_debug.cpu.cpu_load[0].min
    128.38 ± 11%     -34.6%      83.99 ± 37%  sched_debug.cpu.cpu_load[0].stddev
     90.14 ±  9%     -21.4%      70.84 ±  9%  sched_debug.cpu.cpu_load[1].avg
    500.12 ± 14%     -32.2%     339.04 ± 38%  sched_debug.cpu.cpu_load[1].max
     21.17 ± 28%     +47.8%      31.29 ± 16%  sched_debug.cpu.cpu_load[1].min
    117.56 ± 14%     -34.3%      77.22 ± 41%  sched_debug.cpu.cpu_load[1].stddev
     88.92 ±  9%     -21.7%      69.63 ±  8%  sched_debug.cpu.cpu_load[2].avg
    110.68 ± 15%     -34.4%      72.64 ± 43%  sched_debug.cpu.cpu_load[2].stddev
     87.49 ±  9%     -21.7%      68.48 ±  7%  sched_debug.cpu.cpu_load[3].avg
    481.67 ± 15%     -32.0%     327.71 ± 38%  sched_debug.cpu.cpu_load[3].max
    107.04 ± 15%     -34.3%      70.27 ± 44%  sched_debug.cpu.cpu_load[3].stddev
     86.54 ±  9%     -21.7%      67.74 ±  7%  sched_debug.cpu.cpu_load[4].avg
    495.17 ± 15%     -31.0%     341.50 ± 36%  sched_debug.cpu.cpu_load[4].max
     91.33 ± 97%   +1064.7%       1063 ± 16%  sched_debug.cpu.curr->pid.min
      1148 ±  9%     -45.6%     624.47 ± 11%  sched_debug.cpu.curr->pid.stddev
    102050 ±  5%     -19.1%      82570 ± 10%  sched_debug.cpu.load.avg
    571024 ± 11%     -23.8%     435288 ± 23%  sched_debug.cpu.load.max
      9574 ± 72%    +254.1%      33908 ± 24%  sched_debug.cpu.load.min
    145258 ± 10%     -28.5%     103804 ± 28%  sched_debug.cpu.load.stddev
      0.00 ± 11%     +34.8%       0.00 ±  6%  sched_debug.cpu.next_balance.stddev
      0.21 ± 66%    +200.0%       0.62 ± 22%  sched_debug.cpu.nr_running.min
      0.63 ±  4%     -36.7%       0.40 ± 11%  sched_debug.cpu.nr_running.stddev
    889005           -30.0%     622125        sched_debug.cpu.nr_switches.avg
    929176           -27.1%     677134        sched_debug.cpu.nr_switches.max
    620397           -24.5%     468674        sched_debug.cpu.nr_switches.min
     71419 ±  3%     -19.3%      57628 ±  3%  sched_debug.cpu.nr_switches.stddev
    874.54 ±  8%     -88.9%      97.08 ± 15%  sched_debug.cpu.nr_uninterruptible.max
     -1512           -91.7%    -125.08        sched_debug.cpu.nr_uninterruptible.min
    586.61 ±  7%     -89.1%      64.08 ±  7%  sched_debug.cpu.nr_uninterruptible.stddev
    886301           -30.1%     619461        sched_debug.cpu.sched_count.avg
    920687           -27.0%     672173        sched_debug.cpu.sched_count.max
    618791           -24.5%     467052        sched_debug.cpu.sched_count.min
     70471 ±  3%     -19.6%      56648 ±  3%  sched_debug.cpu.sched_count.stddev
    352570           -11.7%     311429        sched_debug.cpu.ttwu_count.avg
    255008           -88.5%      29409 ±  3%  sched_debug.cpu.ttwu_local.avg
    272187           -87.7%      33582 ±  4%  sched_debug.cpu.ttwu_local.max
    171375           -90.9%      15547 ±  6%  sched_debug.cpu.ttwu_local.min
     22073 ±  3%     -78.7%       4709 ±  5%  sched_debug.cpu.ttwu_local.stddev


                                                                                
                             unixbench.time.user_time                           
                                                                                
  800 +-+-------O--O----OOOO------O--O--------------------------------------+   
      OOOOOOOOOO OO OOOO   OOOOOOO OO OO                                    |   
  700 +-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++|   
  600 +-+                                                                   |   
      |                                                                     |   
  500 +-+                                                                   |   
      |                                                                     |   
  400 +-+                                                                   |   
      |                                                                     |   
  300 +-+                                                                   |   
  200 +-+                                                                   |   
      |                                                                     |   
  100 +-+                                                                   |   
      |                                                                     |   
    0 +-+-------O-----------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                            unixbench.time.system_time                          
                                                                                
  4000 +-+------------------------------------------------------------------+   
       OOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOOO                                   |   
  3500 +-++++++++++++++++ ++   +  ++  +  +++++++++ +  +  + +  + ++++++++++++|   
  3000 +-+               + ++++++++ +++++        ++ ++ ++ + ++ +            |   
       |                                                                    |   
  2500 +-+                                                                  |   
       |                                                                    |   
  2000 +-+                                                                  |   
       |                                                                    |   
  1500 +-+                                                                  |   
  1000 +-+                                                                  |   
       |                                                                    |   
   500 +-+                                                                  |   
       |                                                                    |   
     0 +-+-------O----------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                          unixbench.time.minor_page_faults                      
                                                                                
  6e+08 +-+-----------------------------------------------------------------+   
        OOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOO                                   |   
  5e+08 +-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++|   
        |                                                                   |   
        |                                                                   |   
  4e+08 +-+                                                                 |   
        |                                                                   |   
  3e+08 +-+                                                                 |   
        |                                                                   |   
  2e+08 +-+                                                                 |   
        |                                                                   |   
        |                                                                   |   
  1e+08 +-+                                                                 |   
        |                                                                   |   
      0 +-+-------O---------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                       unixbench.time.voluntary_context_switches                
                                                                                
  1.2e+07 +-+---------------------------------------------------------------+   
          |                                                                 |   
    1e+07 +OO  O                                                            |   
          O OOOOOOOO O OOOOOO O OO  OOOOOOO                                 |   
          |           O      O O OOOO                                       |   
    8e+06 +-+                                                               |   
          |                                                                 |   
    6e+06 +-+                                                               |   
          |                                                                 |   
    4e+06 +-+                                                               |   
          | + +++++  +  +  +              + ++ ++                      ++  +|   
          |+++    ++++++++++++++++++++++++++ ++ +++++++++++++++++++++++  +++|   
    2e+06 +-+                                                               |   
          |                                                                 |   
        0 +-+-------O-------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                     unixbench.time.involuntary_context_switches                
                                                                                
  1e+07 +-+-----------------------------------------------------------------+   
  9e+06 +-++++++++++++++++++ ++++ +  ++++++++++++++ ++++ +  ++++++++++++++++|   
        |                                                                   |   
  8e+06 +-+                                                                 |   
  7e+06 +-+                                                                 |   
        |                                                                   |   
  6e+06 +-+                                                                 |   
  5e+06 +-+                                                                 |   
  4e+06 +-+                                                                 |   
        |                                                                   |   
  3e+06 +-+                                                                 |   
  2e+06 +-+                                                                 |   
        OOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOO                                   |   
  1e+06 +-+                                                                 |   
      0 +-+-------O---------------------------------------------------------+   
                                                                                
                                                                                                                                                                
                                   unixbench.score                              
                                                                                
  10000 +-+-----------------------------------------------------------------+   
   9000 OOOOOOOOOO OOOOOOOOOOOOOOOOOOOOOO                                   |   
        |+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++|   
   8000 +-+                                                                 |   
   7000 +-+                                                                 |   
        |                                                                   |   
   6000 +-+                                                                 |   
   5000 +-+                                                                 |   
   4000 +-+                                                                 |   
        |                                                                   |   
   3000 +-+                                                                 |   
   2000 +-+                                                                 |   
        |                                                                   |   
   1000 +-+                                                                 |   
      0 +-+-------O---------------------------------------------------------+   
                                                                                
                                                                                
[*] bisect-good sample
[O] bisect-bad  sample



Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


Thanks,
Rong Chen

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