Hi Vincent,

We test the regression still existed in v5.7, do you have time to look at it? Thanks.


=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/runtime/nr_task/debug-setup/test/cpufreq_governor/ucode:

lkp-ivb-d04/reaim/debian-x86_64-20191114.cgz/x86_64-rhel-7.6/gcc-7/300s/100%/test/five_sec/performance/0x21

commit:
  9f68395333ad7f5bfe2f83473fed363d4229f11c
  070f5e860ee2bf588c99ef7b4c202451faa48236
  v5.7

9f68395333ad7f5b 070f5e860ee2bf588c99ef7b4c2                        v5.7
---------------- --------------------------- ---------------------------
         %stddev     %change         %stddev     %change         %stddev
             \          |                \          |                \
0.69 -10.3% 0.62 -9.1% 0.62 reaim.child_systime 0.62 -1.0% 0.61 +0.5% 0.62 reaim.child_utime 66870 -10.0% 60187 -7.6% 61787 reaim.jobs_per_min 16717 -10.0% 15046 -7.6% 15446 reaim.jobs_per_min_child 97.84 -1.1% 96.75 -0.4% 97.43 reaim.jti 72000 -10.8% 64216 -8.3% 66000 reaim.max_jobs_per_min 0.36 +10.6% 0.40 +7.8% 0.39 reaim.parent_time 1.58 ± 2% +71.0% 2.70 ± 2% +26.9% 2.01 ± 2% reaim.std_dev_percent 0.00 ± 5% +110.4% 0.01 ± 3% +48.8% 0.01 ± 7% reaim.std_dev_time 50800 -2.4% 49600 -1.6% 50000 reaim.workload


On 3/19/2020 10:38 AM, kernel test robot wrote:
Greeting,

FYI, we noticed a -10.5% regression of reaim.jobs_per_min due to commit:


commit: 070f5e860ee2bf588c99ef7b4c202451faa48236 ("sched/fair: Take into account 
runnable_avg to classify group")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

in testcase: reaim
on test machine: 4 threads Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz with 4G 
memory
with following parameters:

        runtime: 300s
        nr_task: 100%
        test: five_sec
        cpufreq_governor: performance
        ucode: 0x21

test-description: REAIM is an updated and improved version of AIM 7 benchmark.
test-url: https://sourceforge.net/projects/re-aim-7/



If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.c...@intel.com>


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-7.6/100%/debian-x86_64-20191114.cgz/300s/lkp-ivb-d04/five_sec/reaim/0x21

commit:
   9f68395333 ("sched/pelt: Add a new runnable average signal")
   070f5e860e ("sched/fair: Take into account runnable_avg to classify group")

9f68395333ad7f5b 070f5e860ee2bf588c99ef7b4c2
---------------- ---------------------------
        fail:runs  %reproduction    fail:runs
            |             |             |
           4:4          -18%           3:4     
perf-profile.children.cycles-pp.error_entry
           3:4          -12%           3:4     
perf-profile.self.cycles-pp.error_entry
          %stddev     %change         %stddev
              \          |                \
       0.68           -10.4%       0.61        reaim.child_systime
      67235           -10.5%      60195        reaim.jobs_per_min
      16808           -10.5%      15048        reaim.jobs_per_min_child
      97.90            -1.2%      96.70        reaim.jti
      72000           -10.8%      64216        reaim.max_jobs_per_min
       0.36           +11.3%       0.40        reaim.parent_time
       1.56 ±  3%     +79.1%       2.80 ±  6%  reaim.std_dev_percent
       0.00 ±  7%    +145.9%       0.01 ±  9%  reaim.std_dev_time
     104276           -16.0%      87616        
reaim.time.involuntary_context_switches
   15511157            -2.4%   15144312        reaim.time.minor_page_faults
      55.00            -7.3%      51.00        
reaim.time.percent_of_cpu_this_job_got
      88.01           -12.4%      77.12        reaim.time.system_time
      79.97            -3.2%      77.38        reaim.time.user_time
     216380            -3.4%     208924        
reaim.time.voluntary_context_switches
      50800            -2.4%      49600        reaim.workload
      30.40 ±  2%      -4.7%      28.97 ±  2%  boot-time.boot
       9.38            -0.7        8.66 ±  3%  mpstat.cpu.all.sys%
       7452            +7.5%       8014        vmstat.system.cs
    1457802 ± 16%     +49.3%    2176122 ± 13%  cpuidle.C1.time
   48523684           +43.4%   69570233 ± 22%  cpuidle.C1E.time
     806543 ±  2%     +20.7%     973406 ± 11%  cpuidle.C1E.usage
      14328 ±  6%     +14.5%      16410 ±  8%  cpuidle.POLL.time
      43300 ±  4%     +13.5%      49150 ±  5%  softirqs.CPU0.SCHED
     118751            -9.3%     107763        softirqs.CPU1.RCU
      41679 ±  3%     +14.1%      47546 ±  4%  softirqs.CPU1.SCHED
      42688 ±  3%     +12.3%      47931 ±  4%  softirqs.CPU2.SCHED
      41730 ±  2%     +17.7%      49115 ±  4%  softirqs.CPU3.SCHED
     169399           +14.4%     193744 ±  2%  softirqs.SCHED
       3419            +1.0%       3453        proc-vmstat.nr_kernel_stack
   16365616            -1.8%   16077850        proc-vmstat.numa_hit
   16365616            -1.8%   16077850        proc-vmstat.numa_local
      93908            -1.6%      92389        proc-vmstat.pgactivate
   16269664            -3.9%   15629529 ±  2%  proc-vmstat.pgalloc_normal
   15918803            -2.3%   15557936        proc-vmstat.pgfault
   16644610            -2.0%   16310898        proc-vmstat.pgfree
      20125 ±123%    +161.7%      52662 ± 30%  sched_debug.cfs_rq:/.load.min
     348749 ± 10%     -11.2%     309562 ± 11%  sched_debug.cfs_rq:/.load.stddev
       1096 ±  6%     -14.4%     938.42 ±  7%  sched_debug.cfs_rq:/.load_avg.max
     448.46 ±  8%     -17.5%     370.19 ± 10%  
sched_debug.cfs_rq:/.load_avg.stddev
     117372           -10.2%     105432        
sched_debug.cfs_rq:/.min_vruntime.avg
     135242 ±  4%      -9.2%     122811        
sched_debug.cfs_rq:/.min_vruntime.max
       0.53 ±  8%     +17.6%       0.62 ±  6%  
sched_debug.cfs_rq:/.nr_running.avg
      29.79 ± 30%     -51.0%      14.58 ± 35%  
sched_debug.cfs_rq:/.nr_spread_over.max
      10.21 ± 34%     -59.7%       4.12 ± 52%  
sched_debug.cfs_rq:/.nr_spread_over.stddev
      78.25 ± 40%   +3304.7%       2664 ± 94%  sched_debug.cpu.curr->pid.min
     294309 ±  2%     +34.3%     395172 ± 12%  sched_debug.cpu.nr_switches.min
       9.58 ± 35%     +84.8%      17.71 ± 40%  
sched_debug.cpu.nr_uninterruptible.max
      -6.88          +120.6%     -15.17        
sched_debug.cpu.nr_uninterruptible.min
       6.41 ± 30%     +95.2%      12.52 ± 33%  
sched_debug.cpu.nr_uninterruptible.stddev
     286185           +33.4%     381734 ± 13%  sched_debug.cpu.sched_count.min
     180416           +11.0%     200247        sched_debug.cpu.sched_goidle.avg
     116264 ±  3%     +44.6%     168090 ± 15%  sched_debug.cpu.sched_goidle.min
     476.00 ±  8%     +92.4%     915.75 ±  3%  
interrupts.CAL:Function_call_interrupts
     110.50 ± 24%    +101.1%     222.25 ±  4%  
interrupts.CPU0.CAL:Function_call_interrupts
       1381 ± 29%     +23.7%       1709 ± 26%  
interrupts.CPU0.NMI:Non-maskable_interrupts
       1381 ± 29%     +23.7%       1709 ± 26%  
interrupts.CPU0.PMI:Performance_monitoring_interrupts
       3319 ±  9%     +50.4%       4991 ±  2%  
interrupts.CPU0.RES:Rescheduling_interrupts
      41.25 ± 30%    +274.5%     154.50 ± 15%  
interrupts.CPU0.TLB:TLB_shootdowns
     116.25 ± 23%     +96.1%     228.00 ± 16%  
interrupts.CPU1.CAL:Function_call_interrupts
       1183 ± 10%     +43.1%       1692 ± 23%  
interrupts.CPU1.NMI:Non-maskable_interrupts
       1183 ± 10%     +43.1%       1692 ± 23%  
interrupts.CPU1.PMI:Performance_monitoring_interrupts
       3335 ±  7%     +60.4%       5350 ±  5%  
interrupts.CPU1.RES:Rescheduling_interrupts
      36.25 ± 30%    +344.1%     161.00 ±  8%  
interrupts.CPU1.TLB:TLB_shootdowns
     131.25 ± 11%     +81.1%     237.75 ± 11%  
interrupts.CPU2.CAL:Function_call_interrupts
       3247 ±  2%     +62.4%       5274        
interrupts.CPU2.RES:Rescheduling_interrupts
      34.50 ± 36%    +357.2%     157.75 ±  7%  
interrupts.CPU2.TLB:TLB_shootdowns
     118.00 ± 13%     +93.0%     227.75 ±  9%  
interrupts.CPU3.CAL:Function_call_interrupts
       3155 ±  4%     +68.7%       5322 ±  3%  
interrupts.CPU3.RES:Rescheduling_interrupts
      38.50 ± 16%    +303.9%     155.50 ±  3%  
interrupts.CPU3.TLB:TLB_shootdowns
      13057 ±  2%     +60.4%      20939        
interrupts.RES:Rescheduling_interrupts
     150.50 ± 27%    +317.8%     628.75 ±  3%  interrupts.TLB:TLB_shootdowns
       2.00            +0.1        2.09 ±  3%  perf-stat.i.branch-miss-rate%
      10.26            +1.1       11.36 ±  7%  perf-stat.i.cache-miss-rate%
    2009706 ±  2%      +5.4%    2117525 ±  3%  perf-stat.i.cache-misses
   16867421            -4.5%   16106908        perf-stat.i.cache-references
       7514            +7.6%       8083        perf-stat.i.context-switches
       1.51            -3.0%       1.47        perf-stat.i.cpi
  2.523e+09 ±  3%      -8.8%  2.301e+09 ±  2%  perf-stat.i.cpu-cycles
     124.54          +157.8%     321.08        perf-stat.i.cpu-migrations
       1842 ± 10%     -18.6%       1498 ±  6%  
perf-stat.i.cycles-between-cache-misses
     752585 ±  2%      -4.1%     721714        perf-stat.i.dTLB-store-misses
     590441            +2.7%     606399        perf-stat.i.iTLB-load-misses
      68766            +4.0%      71488 ±  2%  perf-stat.i.iTLB-loads
  1.847e+09 ±  3%      -4.7%   1.76e+09 ±  2%  perf-stat.i.instructions
       3490 ±  4%      -8.5%       3195 ±  3%  
perf-stat.i.instructions-per-iTLB-miss
       0.68            +3.7%       0.70        perf-stat.i.ipc
      51861            -2.1%      50797        perf-stat.i.minor-faults
      51861            -2.1%      50797        perf-stat.i.page-faults
       2.68 ±  2%      +0.1        2.78        
perf-stat.overall.branch-miss-rate%
      11.91            +1.2       13.14 ±  2%  
perf-stat.overall.cache-miss-rate%
       1.37            -4.3%       1.31        perf-stat.overall.cpi
       1255           -13.4%       1087 ±  2%  
perf-stat.overall.cycles-between-cache-misses
       3127 ±  3%      -7.2%       2901 ±  2%  
perf-stat.overall.instructions-per-iTLB-miss
       0.73            +4.5%       0.76        perf-stat.overall.ipc
    2002763 ±  2%      +5.4%    2110303 ±  3%  perf-stat.ps.cache-misses
   16809816            -4.5%   16051656        perf-stat.ps.cache-references
       7489            +7.6%       8055        perf-stat.ps.context-switches
  2.514e+09 ±  3%      -8.8%  2.293e+09 ±  2%  perf-stat.ps.cpu-cycles
     124.12          +157.8%     319.95        perf-stat.ps.cpu-migrations
     750010 ±  2%      -4.1%     719223        perf-stat.ps.dTLB-store-misses
     588424            +2.7%     604314        perf-stat.ps.iTLB-load-misses
      68533            +4.0%      71246 ±  2%  perf-stat.ps.iTLB-loads
  1.841e+09 ±  3%      -4.7%  1.754e+09 ±  2%  perf-stat.ps.instructions
      51683            -2.1%      50622        perf-stat.ps.minor-faults
      51683            -2.1%      50622        perf-stat.ps.page-faults
  5.577e+11 ±  3%      -5.1%  5.292e+11 ±  2%  perf-stat.total.instructions
       7.35 ± 17%      -2.7        4.60 ± 10%  
perf-profile.calltrace.cycles-pp.serial8250_console_putchar.uart_console_write.serial8250_console_write.console_unlock.vprintk_emit
       7.74 ± 20%      -2.7        5.00 ±  6%  
perf-profile.calltrace.cycles-pp.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write.console_unlock
      10.14 ±  8%      -2.7        7.44 ±  6%  
perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
      10.66 ±  8%      -2.6        8.07 ±  8%  
perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
       7.10 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.write._fini
       7.10 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp._fini
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write._fini
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write._fini
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write._fini
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.devkmsg_write.new_sync_write.vfs_write.ksys_write.do_syscall_64
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.vprintk_emit.devkmsg_emit.devkmsg_write.new_sync_write.vfs_write
       7.09 ± 17%      -2.4        4.69 ±  7%  
perf-profile.calltrace.cycles-pp.devkmsg_emit.devkmsg_write.new_sync_write.vfs_write.ksys_write
       6.20 ±  8%      -2.1        4.08 ±  5%  
perf-profile.calltrace.cycles-pp.console_unlock.vprintk_emit.devkmsg_emit.devkmsg_write.new_sync_write
       5.15 ± 11%      -1.8        3.38 ±  4%  
perf-profile.calltrace.cycles-pp.serial8250_console_write.console_unlock.vprintk_emit.devkmsg_emit.devkmsg_write
       5.05 ± 11%      -1.7        3.31 ±  3%  
perf-profile.calltrace.cycles-pp.uart_console_write.serial8250_console_write.console_unlock.vprintk_emit.devkmsg_emit
       7.41 ± 10%      -1.1        6.29 ±  5%  
perf-profile.calltrace.cycles-pp.__do_execve_file.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
       7.57 ± 11%      -1.1        6.46 ±  5%  
perf-profile.calltrace.cycles-pp.execve
       7.46 ± 10%      -1.1        6.37 ±  5%  
perf-profile.calltrace.cycles-pp.__x64_sys_execve.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
       7.46 ± 10%      -1.1        6.37 ±  5%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.execve
       7.46 ± 10%      -1.1        6.37 ±  5%  
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.execve
       7.03 ±  5%      -1.1        5.95 ± 10%  
perf-profile.calltrace.cycles-pp.brk
       5.90 ±  7%      -0.9        4.98 ± 10%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.brk
       5.84 ±  7%      -0.9        4.93 ±  9%  
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
      15.77 ±  2%      -0.9       14.88 ±  2%  
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe
      15.86 ±  2%      -0.9       14.97 ±  2%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe
       3.88 ±  6%      -0.9        2.99 ±  5%  
perf-profile.calltrace.cycles-pp.kill
       1.70 ± 23%      -0.8        0.90 ± 10%  
perf-profile.calltrace.cycles-pp.delay_tsc.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write
       4.88 ±  8%      -0.8        4.08 ±  8%  
perf-profile.calltrace.cycles-pp.__x64_sys_brk.do_syscall_64.entry_SYSCALL_64_after_hwframe.brk
       2.39 ± 27%      -0.7        1.67 ±  5%  
perf-profile.calltrace.cycles-pp.flush_old_exec.load_elf_binary.search_binary_handler.__do_execve_file.__x64_sys_execve
       2.29 ± 30%      -0.7        1.59 ±  5%  
perf-profile.calltrace.cycles-pp.mmput.flush_old_exec.load_elf_binary.search_binary_handler.__do_execve_file
       2.27 ± 30%      -0.7        1.58 ±  5%  
perf-profile.calltrace.cycles-pp.exit_mmap.mmput.flush_old_exec.load_elf_binary.search_binary_handler
       3.11 ±  5%      -0.6        2.47 ±  9%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.kill
       3.07 ±  5%      -0.6        2.45 ±  9%  
perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.kill
       2.09 ± 18%      -0.4        1.67 ±  3%  
perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read
       2.82 ±  9%      -0.4        2.40 ± 12%  
perf-profile.calltrace.cycles-pp.mmput.do_exit.do_group_exit.__x64_sys_exit_group.do_syscall_64
       2.80 ±  9%      -0.4        2.38 ± 12%  
perf-profile.calltrace.cycles-pp.exit_mmap.mmput.do_exit.do_group_exit.__x64_sys_exit_group
       1.11 ± 33%      -0.4        0.71 ± 10%  
perf-profile.calltrace.cycles-pp.unmap_vmas.exit_mmap.mmput.flush_old_exec.load_elf_binary
       1.05 ± 15%      -0.4        0.69 ± 13%  
perf-profile.calltrace.cycles-pp.vt_console_print.console_unlock.vprintk_emit.devkmsg_emit.devkmsg_write
       1.03 ± 17%      -0.4        0.68 ± 13%  
perf-profile.calltrace.cycles-pp.lf.vt_console_print.console_unlock.vprintk_emit.devkmsg_emit
       1.03 ± 17%      -0.4        0.68 ± 13%  
perf-profile.calltrace.cycles-pp.con_scroll.lf.vt_console_print.console_unlock.vprintk_emit
       1.03 ± 17%      -0.4        0.68 ± 13%  
perf-profile.calltrace.cycles-pp.fbcon_scroll.con_scroll.lf.vt_console_print.console_unlock
       0.96 ± 16%      -0.3        0.66 ± 12%  
perf-profile.calltrace.cycles-pp.fbcon_putcs.fbcon_redraw.fbcon_scroll.con_scroll.lf
       1.85 ±  4%      -0.3        1.58 ±  8%  
perf-profile.calltrace.cycles-pp.alloc_pages_vma.handle_pte_fault.__handle_mm_fault.handle_mm_fault.do_page_fault
       0.89 ± 15%      -0.3        0.62 ± 12%  
perf-profile.calltrace.cycles-pp.kill_pid_info.kill_something_info.__x64_sys_kill.do_syscall_64.entry_SYSCALL_64_after_hwframe
       1.67 ±  5%      -0.3        1.41 ±  9%  
perf-profile.calltrace.cycles-pp.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault.__handle_mm_fault.handle_mm_fault
       1.02 ±  7%      -0.3        0.77 ± 12%  
perf-profile.calltrace.cycles-pp.do_signal.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.kill
       0.94 ± 16%      -0.2        0.70 ±  5%  
perf-profile.calltrace.cycles-pp.clear_page_erms.prep_new_page.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma
       0.98 ± 16%      -0.2        0.74 ±  7%  
perf-profile.calltrace.cycles-pp.prep_new_page.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault
       1.03 ±  6%      -0.2        0.79 ± 10%  
perf-profile.calltrace.cycles-pp.exit_to_usermode_loop.do_syscall_64.entry_SYSCALL_64_after_hwframe.kill
       1.00 ± 10%      -0.2        0.77 ±  9%  
perf-profile.calltrace.cycles-pp.new_sync_read.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe
       0.87 ± 10%      -0.2        0.66 ± 15%  
perf-profile.calltrace.cycles-pp.shmem_file_read_iter.new_sync_read.vfs_read.ksys_read.do_syscall_64
       1.41 ±  3%      -0.2        1.23 ±  7%  
perf-profile.calltrace.cycles-pp.get_page_from_freelist.__alloc_pages_nodemask.alloc_pages_vma.handle_pte_fault.__handle_mm_fault
       1.88 ±  5%      -0.1        1.73        
perf-profile.calltrace.cycles-pp.__x64_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe
       1.87 ±  5%      -0.1        1.73        
perf-profile.calltrace.cycles-pp._do_fork.__x64_sys_clone.do_syscall_64.entry_SYSCALL_64_after_hwframe
      10.34 ± 11%      +7.3       17.66 ±  8%  
perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
      10.18 ± 11%      +7.3       17.52 ±  8%  
perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary
      11.32 ±  9%      +7.7       19.03 ±  8%  
perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64
      11.32 ±  9%      +7.7       19.05 ±  8%  
perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64
      11.32 ±  9%      +7.7       19.05 ±  8%  
perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64
      11.02 ±  5%      +8.1       19.14 ±  7%  
perf-profile.calltrace.cycles-pp.intel_idle.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
      16.04 ±  6%      +9.1       25.17 ±  8%  
perf-profile.calltrace.cycles-pp.secondary_startup_64
      55.98            -7.0       48.94 ±  4%  
perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
      55.67            -7.0       48.67 ±  4%  
perf-profile.children.cycles-pp.do_syscall_64
      10.60 ± 16%      -3.3        7.30 ±  8%  
perf-profile.children.cycles-pp.vprintk_emit
      13.02 ±  7%      -3.0        9.99 ±  7%  
perf-profile.children.cycles-pp.write
       9.92 ± 13%      -2.8        7.08 ±  4%  
perf-profile.children.cycles-pp.console_unlock
      10.26 ±  8%      -2.7        7.53 ±  6%  
perf-profile.children.cycles-pp.new_sync_write
      10.79 ±  8%      -2.6        8.18 ±  8%  
perf-profile.children.cycles-pp.vfs_write
      10.95 ±  8%      -2.6        8.36 ±  8%  
perf-profile.children.cycles-pp.ksys_write
       7.17 ± 16%      -2.5        4.69 ±  7%  
perf-profile.children.cycles-pp.devkmsg_write
       7.17 ± 16%      -2.5        4.69 ±  7%  
perf-profile.children.cycles-pp.devkmsg_emit
       8.65 ± 16%      -2.4        6.21 ±  4%  
perf-profile.children.cycles-pp.serial8250_console_write
       8.53 ± 17%      -2.4        6.11 ±  4%  
perf-profile.children.cycles-pp.uart_console_write
       7.13 ± 17%      -2.4        4.71 ±  6%  
perf-profile.children.cycles-pp._fini
       8.46 ± 16%      -2.4        6.07 ±  4%  
perf-profile.children.cycles-pp.wait_for_xmitr
       8.34 ± 16%      -2.4        5.97 ±  4%  
perf-profile.children.cycles-pp.serial8250_console_putchar
       5.80 ± 16%      -1.6        4.21 ±  6%  
perf-profile.children.cycles-pp.io_serial_in
       7.85 ± 10%      -1.2        6.67 ±  5%  
perf-profile.children.cycles-pp.execve
       7.72 ± 11%      -1.2        6.55 ±  5%  
perf-profile.children.cycles-pp.__do_execve_file
       5.19 ± 13%      -1.1        4.05 ±  8%  
perf-profile.children.cycles-pp.mmput
       5.16 ± 13%      -1.1        4.03 ±  8%  
perf-profile.children.cycles-pp.exit_mmap
       7.76 ± 10%      -1.1        6.64 ±  5%  
perf-profile.children.cycles-pp.__x64_sys_execve
       7.11 ±  5%      -1.1        6.01 ± 10%  
perf-profile.children.cycles-pp.brk
       3.92 ±  6%      -0.9        3.03 ±  5%  
perf-profile.children.cycles-pp.kill
       2.63 ± 17%      -0.8        1.85        
perf-profile.children.cycles-pp.delay_tsc
       4.89 ±  8%      -0.8        4.12 ±  8%  
perf-profile.children.cycles-pp.__x64_sys_brk
       2.48 ± 27%      -0.7        1.74 ±  4%  
perf-profile.children.cycles-pp.flush_old_exec
       3.02 ± 12%      -0.7        2.28 ± 12%  
perf-profile.children.cycles-pp.unmap_page_range
       3.15 ± 11%      -0.7        2.40 ± 12%  
perf-profile.children.cycles-pp.unmap_vmas
       2.25 ± 19%      -0.5        1.75 ± 11%  
perf-profile.children.cycles-pp.unmap_region
       1.27 ± 11%      -0.4        0.86 ±  8%  
perf-profile.children.cycles-pp.vt_console_print
       1.24 ± 12%      -0.4        0.85 ±  9%  
perf-profile.children.cycles-pp.lf
       1.24 ± 12%      -0.4        0.85 ±  9%  
perf-profile.children.cycles-pp.con_scroll
       1.24 ± 12%      -0.4        0.85 ±  9%  
perf-profile.children.cycles-pp.fbcon_scroll
       1.79 ±  9%      -0.4        1.41 ±  4%  
perf-profile.children.cycles-pp.release_pages
       1.22 ± 11%      -0.4        0.85 ±  9%  
perf-profile.children.cycles-pp.fbcon_redraw
       1.17 ± 12%      -0.4        0.82 ± 10%  
perf-profile.children.cycles-pp.fbcon_putcs
       1.16 ± 13%      -0.3        0.82 ± 10%  
perf-profile.children.cycles-pp.bit_putcs
       0.90 ± 16%      -0.3        0.62 ± 12%  
perf-profile.children.cycles-pp.kill_pid_info
       0.95 ± 10%      -0.3        0.68 ±  6%  
perf-profile.children.cycles-pp.drm_fb_helper_cfb_imageblit
       0.95 ± 11%      -0.3        0.68 ±  6%  
perf-profile.children.cycles-pp.cfb_imageblit
       1.24 ±  7%      -0.2        1.01 ±  6%  
perf-profile.children.cycles-pp.new_sync_read
       0.71 ±  4%      -0.2        0.49 ± 23%  
perf-profile.children.cycles-pp.___perf_sw_event
       0.55 ± 31%      -0.2        0.33 ± 16%  
perf-profile.children.cycles-pp.unlink_anon_vmas
       0.89 ± 11%      -0.2        0.67 ± 15%  
perf-profile.children.cycles-pp.shmem_file_read_iter
       0.60 ± 20%      -0.2        0.39 ± 20%  
perf-profile.children.cycles-pp.__send_signal
       1.06 ±  6%      -0.2        0.85 ± 16%  
perf-profile.children.cycles-pp.pagevec_lru_move_fn
       0.88            -0.2        0.68 ±  6%  
perf-profile.children.cycles-pp.__perf_sw_event
       1.49 ±  5%      -0.2        1.29 ±  7%  
perf-profile.children.cycles-pp.prepare_exit_to_usermode
       0.56 ± 12%      -0.2        0.37 ± 11%  
perf-profile.children.cycles-pp.do_send_sig_info
       1.65 ±  8%      -0.2        1.47 ±  4%  
perf-profile.children.cycles-pp.perf_event_mmap
       0.69 ±  2%      -0.2        0.52 ± 16%  
perf-profile.children.cycles-pp.page_remove_rmap
       0.61 ±  5%      -0.2        0.44 ± 15%  
perf-profile.children.cycles-pp.free_unref_page_list
       0.60 ±  6%      -0.2        0.43 ± 15%  
perf-profile.children.cycles-pp.__vm_munmap
       0.77 ± 12%      -0.2        0.62 ± 12%  
perf-profile.children.cycles-pp.__might_sleep
       0.39 ± 12%      -0.2        0.24 ± 18%  
perf-profile.children.cycles-pp.time
       0.46 ± 14%      -0.1        0.34 ± 14%  
perf-profile.children.cycles-pp.lru_add_drain_cpu
       0.57 ±  8%      -0.1        0.47 ± 14%  
perf-profile.children.cycles-pp.shmem_undo_range
       0.41 ± 12%      -0.1        0.30 ± 15%  
perf-profile.children.cycles-pp.copy_fpstate_to_sigframe
       0.76 ±  7%      -0.1        0.67 ±  8%  
perf-profile.children.cycles-pp.__x64_sys_rt_sigreturn
       0.26 ± 16%      -0.1        0.17 ± 17%  
perf-profile.children.cycles-pp.mark_page_accessed
       0.12 ± 47%      -0.1        0.04 ±103%  
perf-profile.children.cycles-pp.sigaction
       0.23 ± 12%      -0.1        0.15 ± 11%  
perf-profile.children.cycles-pp.__vm_enough_memory
       0.12 ± 18%      -0.1        0.05 ±106%  
perf-profile.children.cycles-pp.__vsprintf_chk
       0.23 ± 20%      -0.1        0.17 ± 13%  
perf-profile.children.cycles-pp.d_add
       0.13 ± 23%      -0.1        0.07 ± 58%  
perf-profile.children.cycles-pp.fput_many
       0.13 ± 14%      -0.1        0.08 ± 24%  
perf-profile.children.cycles-pp.vfs_unlink
       0.11 ± 20%      -0.0        0.07 ±  7%  
perf-profile.children.cycles-pp.__update_load_avg_cfs_rq
       0.04 ± 63%      +0.0        0.08 ± 23%  
perf-profile.children.cycles-pp.uncharge_page
       0.06 ± 22%      +0.0        0.10 ± 36%  
perf-profile.children.cycles-pp.sched_exec
       0.44 ±  4%      +0.0        0.48 ±  4%  
perf-profile.children.cycles-pp.close
       0.14 ± 22%      +0.1        0.21 ± 17%  
perf-profile.children.cycles-pp.pick_next_task_fair
       0.10 ± 17%      +0.1        0.17 ± 23%  
perf-profile.children.cycles-pp.__anon_vma_prepare
       0.00            +0.1        0.07 ± 24%  
perf-profile.children.cycles-pp.update_sd_lb_stats
       0.07 ± 34%      +0.1        0.15 ± 42%  
perf-profile.children.cycles-pp.file_free_rcu
       0.15 ± 27%      +0.1        0.23 ± 21%  
perf-profile.children.cycles-pp.__strcasecmp
       0.20 ± 21%      +0.1        0.29 ±  8%  
perf-profile.children.cycles-pp.__pte_alloc
       0.14 ± 47%      +0.1        0.23 ± 27%  
perf-profile.children.cycles-pp.update_blocked_averages
       0.09 ± 44%      +0.1        0.19 ± 18%  
perf-profile.children.cycles-pp.schedule_idle
       0.00            +0.1        0.10 ± 33%  
perf-profile.children.cycles-pp.newidle_balance
       0.00            +0.1        0.10 ± 18%  
perf-profile.children.cycles-pp.__vmalloc_node_range
       0.21 ± 15%      +0.1        0.32 ± 25%  
perf-profile.children.cycles-pp.__wake_up_common
       0.63 ±  8%      +0.1        0.77 ±  6%  
perf-profile.children.cycles-pp.rcu_do_batch
       0.76 ± 14%      +0.1        0.90 ±  9%  
perf-profile.children.cycles-pp.rcu_core
       0.07 ± 90%      +0.2        0.27 ±109%  
perf-profile.children.cycles-pp.security_mmap_addr
       0.46 ± 26%      +0.3        0.75 ± 13%  
perf-profile.children.cycles-pp.__sched_text_start
      11.32 ±  9%      +7.7       19.05 ±  8%  
perf-profile.children.cycles-pp.start_secondary
      11.03 ±  5%      +8.1       19.16 ±  7%  
perf-profile.children.cycles-pp.intel_idle
      14.78 ±  6%      +8.5       23.24 ±  8%  
perf-profile.children.cycles-pp.cpuidle_enter
      14.76 ±  6%      +8.5       23.24 ±  8%  
perf-profile.children.cycles-pp.cpuidle_enter_state
      16.04 ±  6%      +9.1       25.17 ±  8%  
perf-profile.children.cycles-pp.secondary_startup_64
      16.04 ±  6%      +9.1       25.17 ±  8%  
perf-profile.children.cycles-pp.cpu_startup_entry
      16.04 ±  6%      +9.1       25.19 ±  8%  
perf-profile.children.cycles-pp.do_idle
       5.79 ± 16%      -1.6        4.21 ±  6%  
perf-profile.self.cycles-pp.io_serial_in
       2.62 ± 17%      -0.8        1.85        
perf-profile.self.cycles-pp.delay_tsc
       5.11 ±  4%      -0.6        4.56 ±  5%  
perf-profile.self.cycles-pp.do_syscall_64
       1.44 ±  6%      -0.3        1.15 ±  5%  
perf-profile.self.cycles-pp.unmap_page_range
       0.94 ± 11%      -0.3        0.68 ±  6%  
perf-profile.self.cycles-pp.cfb_imageblit
       0.65 ±  6%      -0.2        0.42 ± 23%  
perf-profile.self.cycles-pp.___perf_sw_event
       1.42 ±  5%      -0.2        1.22 ±  7%  
perf-profile.self.cycles-pp.prepare_exit_to_usermode
       0.65 ± 13%      -0.2        0.47 ±  9%  
perf-profile.self.cycles-pp.do_page_fault
       0.65 ±  9%      -0.1        0.52 ±  5%  
perf-profile.self.cycles-pp.release_pages
       0.24 ± 20%      -0.1        0.15 ± 16%  
perf-profile.self.cycles-pp.mark_page_accessed
       0.16 ± 28%      -0.1        0.08 ± 69%  
perf-profile.self.cycles-pp.free_unref_page_commit
       0.12 ± 24%      -0.1        0.04 ± 59%  
perf-profile.self.cycles-pp.__do_munmap
       0.10 ± 24%      -0.0        0.06 ±  7%  
perf-profile.self.cycles-pp.__update_load_avg_cfs_rq
       0.04 ± 57%      +0.0        0.07 ± 19%  
perf-profile.self.cycles-pp.__sbrk
       0.04 ± 57%      +0.0        0.08 ± 23%  
perf-profile.self.cycles-pp.update_load_avg
       0.04 ± 57%      +0.0        0.08 ± 23%  
perf-profile.self.cycles-pp.uncharge_page
       0.26 ± 11%      +0.1        0.39 ± 12%  
perf-profile.self.cycles-pp.copy_page
       0.49 ± 13%      +0.1        0.63 ± 13%  
perf-profile.self.cycles-pp.get_page_from_freelist
      11.00 ±  5%      +8.1       19.14 ±  7%  
perf-profile.self.cycles-pp.intel_idle


reaim.time.system_time 90 +----------------------------------------------------------------------+
      |           +.   .+       ++.++                               .+       |
   88 |+.+ +.++. +  +++  ++.++.+     +.++.+++.+++.+++. +.++ .+     +  :.+++.+|
      |   +     +                                     +    +  ++.++   +      |
   86 |-+                                                                    |
      |                                                                      |
   84 |-+                                                                    |
      |                                                                      |
   82 |-+  O                                                                 |
      |O OO  OO O                                                            |
   80 |-+                                                                    |
      |          OO OOO  O   O  O  O                                         |
   78 |-+               O O O  O O  OO  O                                    |
      |                                O  OOO O                              |
   76 +----------------------------------------------------------------------+
reaim.time.percent_of_cpu_this_job_got 55 +--------------------------------------------------------------------+
        |                                                                    |
   54.5 |-+                                                                  |
     54 |-+                                                                  |
        |                                                                    |
   53.5 |-+                                                                  |
        |                                                                    |
     53 |-+OOO OOO                                                           |
        |                                                                    |
   52.5 |-+                                                                  |
     52 |O+        OOO OOO OOO OOO OO                                        |
        |                                                                    |
   51.5 |-+                                                                  |
        |                                                                    |
     51 +--------------------------------------------------------------------+
reaim.parent_time 0.405 +-------------------------------------------------------------------+
     0.4 |-+                           O                                     |
         |                            O O OOO OO                             |
   0.395 |-+                                                                 |
    0.39 |-+                                                                 |
   0.385 |-+    OOOO OOO OOO OOO OOOO                                        |
    0.38 |O+OOO                                                              |
         |                                                                   |
   0.375 |-+                                                                 |
    0.37 |-+                                                                 |
   0.365 |-+                                                                 |
    0.36 |-+                                                                 |
         |             +.            .+ +.   .+ +.   +       +.     +++. + .+|
   0.355 |+.  +.+ ++.++  +++. ++.++++  +  +++  +  +++ + ++.++  + +. :   + +  |
    0.35 +-------------------------------------------------------------------+
reaim.child_systime 0.69 +--------------------------------------------------------------------+
        |    +.+    ++. ++.+  .++      ++   +++.+  .++ .+++. +     .+ :  + .+|
   0.68 |+.++   ++.+   +    ++           +.+     ++   +     + +.+++   +.+ +  |
   0.67 |-+                                                                  |
        |                                                                    |
   0.66 |-+                                                                  |
   0.65 |-+                                                                  |
        |    O                                                               |
   0.64 |O+O   OOO                                                           |
   0.63 |-+ O                                                                |
        |          O   O       O O  O                                        |
   0.62 |-+         OO  O  O    O  O   O                                     |
   0.61 |-+              O  OO       O  OO OOOO                              |
        |                                                                    |
    0.6 +--------------------------------------------------------------------+
reaim.jobs_per_min 69000 +-------------------------------------------------------------------+
   68000 |-.++   +        + .++ .+                    .++   + .+++.+         |
         |+   +.+ ++.+++.+ +   +  +++.+++.+++.+++.++++   +.+ +      + +.+ +. |
   67000 |-+                                                         +   +  +|
   66000 |-+                                                                 |
         |                                                                   |
   65000 |-+                                                                 |
   64000 |-+                                                                 |
   63000 |-+                                                                 |
         |O OOO O O      O O                                                 |
   62000 |-+     O O OOO  O  OOO OOOO                                        |
   61000 |-+                                                                 |
         |                              O OOO OO                             |
   60000 |-+                          OO                                     |
   59000 +-------------------------------------------------------------------+
reaim.jobs_per_min_child 17500 +-------------------------------------------------------------------+
         |                                                                   |
   17000 |-.+++. +        + .+++.+                    .++   + .+++.+         |
         |+     + ++.+++.+ +      +++.+++.+++.+++.++++   +.+ +      + +.+++.+|
         |                                                           +       |
   16500 |-+                                                                 |
         |                                                                   |
   16000 |-+                                                                 |
         |                                                                   |
   15500 |O+OOO OOOO OOO OOO OOO OOOO                                        |
         |                                                                   |
         |                                O O OO                             |
   15000 |-+                          OOO  O                                 |
         |                                                                   |
   14500 +-------------------------------------------------------------------+
reaim.max_jobs_per_min 76000 +-------------------------------------------------------------------+
         |                                                                   |
   74000 |-+  +                                                 +  +         |
         |    ::                                                : ::         |
         |   : :                                               : :: :        |
   72000 |+.++  ++++.+++.+++.+++.++++.+++.+++.+++.++++.+++.+++.+ +  +++.+++.+|
         |                                                                   |
   70000 |-+                                                                 |
         |                                                                   |
   68000 |-+ O                                                               |
         |                                                                   |
         |                                                                   |
   66000 |O+O O OOOO OOO OOO OOO OOOO                                        |
         |                                                                   |
   64000 +-------------------------------------------------------------------+
[*] 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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