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* [lkp] [nfsd] 07d2931094: -6.0% fsmark.files_per_sec
@ 2015-09-20  8:59 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2015-09-20  8:59 UTC (permalink / raw)
  To: Jeff Layton; +Cc: lkp, LKML

[-- Attachment #1: Type: text/plain, Size: 38012 bytes --]

FYI, we noticed the below changes on

git://git.samba.org/jlayton/linux nfsd-4.4
commit 07d29310940bf676822715efd4be3c769cae97c2 ("nfsd: convert nfs4_file->fi_fds array to use nfsd_files")

=========================================================================================
tbox_group/testcase/rootfs/kconfig/compiler/cpufreq_governor/iterations/nr_threads/disk/fs/fs2/filesize/test_size/sync_method/nr_directories/nr_files_per_directory:
  nhm4/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/xfs/nfsv4/9B/400M/fsyncBeforeClose/16d/256fpd

commit: 
  62b92d7854c66931ad66601ade1e4cc941c0e5ac
  07d29310940bf676822715efd4be3c769cae97c2

62b92d7854c66931 07d29310940bf676822715efd4 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
    663.20 ±  0%      -6.0%     623.20 ±  0%  fsmark.files_per_sec
    154.58 ±  0%      +6.4%     164.47 ±  0%  fsmark.time.elapsed_time
    154.58 ±  0%      +6.4%     164.47 ±  0%  fsmark.time.elapsed_time.max
    124955 ±  0%      -5.3%     118317 ±  0%  fsmark.time.involuntary_context_switches
      7.00 ±  0%     +14.3%       8.00 ±  0%  fsmark.time.percent_of_cpu_this_job_got
    448628 ±  0%      -1.4%     442375 ±  0%  fsmark.time.voluntary_context_switches
     10022 ±  0%     +51.3%      15166 ±  1%  proc-vmstat.nr_slab_unreclaimable
     41390 ±  0%      +9.7%      45425 ±  1%  softirqs.SCHED
     40093 ±  0%     +51.3%      60669 ±  1%  meminfo.SUnreclaim
    122014 ±  0%     +23.1%     150170 ±  1%  meminfo.Slab
 7.904e+08 ±  0%     +19.9%  9.476e+08 ±  1%  latency_stats.sum.rpc_wait_bit_killable.__rpc_wait_for_completion_task.nfs4_do_close.[nfsv4].__nfs4_close.[nfsv4].nfs4_close_sync.[nfsv4].nfs4_close_context.[nfsv4].__put_nfs_open_context.nfs_file_clear_open_context.nfs_file_release.__fput.____fput.task_work_run
 8.165e+08 ±  0%     +18.8%  9.698e+08 ±  1%  latency_stats.sum.rpc_wait_bit_killable.__rpc_wait_for_completion_task.nfs4_run_open_task.[nfsv4]._nfs4_open_and_get_state.[nfsv4].nfs4_do_open.[nfsv4].nfs4_atomic_open.[nfsv4].nfs_atomic_open.path_openat.do_filp_open.do_sys_open.SyS_open.entry_SYSCALL_64_fastpath
  61710810 ±  2%      -7.2%   57259741 ±  1%  latency_stats.sum.wait_on_page_bit.filemap_fdatawait_range.filemap_write_and_wait_range.nfs4_file_fsync.[nfsv4].vfs_fsync_range.do_fsync.SyS_fsync.entry_SYSCALL_64_fastpath
      7.00 ±  0%     +14.3%       8.00 ±  0%  time.percent_of_cpu_this_job_got
     10.79 ±  3%     +17.4%      12.66 ±  3%  time.system_time
      1.15 ±  1%     +31.7%       1.51 ±  2%  time.user_time
      6.81 ±  2%     +14.3%       7.79 ±  1%  turbostat.%Busy
    221.50 ±  0%     +10.6%     245.00 ±  0%  turbostat.Avg_MHz
      9.46 ±  2%     +38.4%      13.08 ±  6%  turbostat.CPU%c3
      9139 ±  0%      -7.3%       8470 ±  1%  vmstat.io.bo
     94161 ±  0%      -6.4%      88109 ±  0%  vmstat.system.cs
     31533 ±  1%      -5.9%      29663 ±  0%  vmstat.system.in
 1.994e+08 ±  2%     +20.0%  2.392e+08 ±  3%  cpuidle.C3-NHM.time
    870510 ±  4%     +19.2%    1037726 ±  4%  cpuidle.C3-NHM.usage
    115687 ±  2%     +22.6%     141821 ±  2%  cpuidle.C6-NHM.usage
      3283 ±  4%     -61.4%       1266 ± 10%  cpuidle.POLL.usage
    863.25 ± 56%     +52.0%       1312 ±  8%  sched_debug.cfs_rq[3]:/.load_avg
      7.25 ± 26%     +93.1%      14.00 ± 16%  sched_debug.cfs_rq[3]:/.nr_spread_over
     34.25 ± 59%     +58.4%      54.25 ± 39%  sched_debug.cfs_rq[4]:/.util_avg
      1143 ±  0%     +20.2%       1375 ±  9%  sched_debug.cfs_rq[5]:/.exec_clock
    171.50 ± 95%    +307.9%     699.50 ± 40%  sched_debug.cfs_rq[7]:/.load_avg
    253.00 ± 60%    +177.0%     700.75 ± 40%  sched_debug.cfs_rq[7]:/.tg_load_avg_contrib
     33.50 ±106%    +320.1%     140.75 ± 12%  sched_debug.cfs_rq[7]:/.util_avg
      1669 ±  3%     -13.2%       1449 ±  4%  sched_debug.cpu#0.nr_uninterruptible
    289.50 ±172%    -100.0%       0.00 ± -1%  sched_debug.cpu#1.cpu_load[0]
     -1212 ± -4%     -14.8%      -1033 ± -3%  sched_debug.cpu#1.nr_uninterruptible
   -697.75 ± -4%     -16.2%    -584.50 ± -9%  sched_debug.cpu#2.nr_uninterruptible
    868645 ± 93%     -94.1%      51606 ±  4%  sched_debug.cpu#3.ttwu_count
    830065 ± 97%     -97.3%      22366 ±  2%  sched_debug.cpu#3.ttwu_local
    156.50 ±  5%     -15.0%     133.00 ±  6%  sched_debug.cpu#4.nr_uninterruptible
    731718 ±  2%     -21.3%     576140 ± 11%  sched_debug.cpu#6.avg_idle
    104.50 ±  6%     -23.4%      80.00 ± 17%  sched_debug.cpu#7.nr_uninterruptible
      0.00 ± 58%    +144.9%       0.01 ± 56%  sched_debug.rt_rq[2]:/.rt_time
     19017 ±  0%     +15.3%      21929 ±  1%  slabinfo.buffer_head.active_objs
     19017 ±  0%     +15.3%      21929 ±  1%  slabinfo.buffer_head.num_objs
     16492 ±  0%     +12.6%      18575 ±  0%  slabinfo.kmalloc-128.active_objs
     16521 ±  0%     +12.6%      18608 ±  0%  slabinfo.kmalloc-128.num_objs
      5523 ±  1%    +391.2%      27131 ±  1%  slabinfo.kmalloc-16.active_objs
      5523 ±  1%    +391.2%      27132 ±  1%  slabinfo.kmalloc-16.num_objs
      4788 ±  4%   +1347.9%      69331 ±  1%  slabinfo.kmalloc-192.active_objs
    116.00 ±  4%   +1324.6%       1652 ±  1%  slabinfo.kmalloc-192.active_slabs
      4897 ±  4%   +1317.5%      69425 ±  1%  slabinfo.kmalloc-192.num_objs
    116.00 ±  4%   +1324.6%       1652 ±  1%  slabinfo.kmalloc-192.num_slabs
      2199 ±  4%    +982.6%      23811 ±  1%  slabinfo.kmalloc-256.active_objs
     82.75 ±  5%    +807.6%     751.00 ±  1%  slabinfo.kmalloc-256.active_slabs
      2672 ±  5%    +799.9%      24047 ±  1%  slabinfo.kmalloc-256.num_objs
     82.75 ±  5%    +807.6%     751.00 ±  1%  slabinfo.kmalloc-256.num_slabs
      8578 ±  0%    +224.0%      27792 ±  1%  slabinfo.kmalloc-32.active_objs
     67.25 ±  0%    +225.7%     219.00 ±  1%  slabinfo.kmalloc-32.active_slabs
      8691 ±  0%    +223.3%      28101 ±  1%  slabinfo.kmalloc-32.num_objs
     67.25 ±  0%    +225.7%     219.00 ±  1%  slabinfo.kmalloc-32.num_slabs
      1690 ±  2%     +19.1%       2013 ±  6%  slabinfo.kmalloc-512.num_objs
     48504 ±  0%     +11.1%      53877 ±  1%  slabinfo.kmalloc-64.active_objs
     48586 ±  0%     +10.9%      53880 ±  1%  slabinfo.kmalloc-64.num_objs
     35280 ±  0%     +14.3%      40314 ±  1%  slabinfo.kmalloc-96.active_objs
    839.75 ±  0%     +14.2%     959.25 ±  1%  slabinfo.kmalloc-96.active_slabs
     35280 ±  0%     +14.3%      40314 ±  1%  slabinfo.kmalloc-96.num_objs
    839.75 ±  0%     +14.2%     959.25 ±  1%  slabinfo.kmalloc-96.num_slabs
      1306 ±  1%     +11.5%       1457 ±  1%  slabinfo.mnt_cache.active_objs
      1306 ±  1%     +11.5%       1457 ±  1%  slabinfo.mnt_cache.num_objs
     19130 ±  0%     +15.3%      22064 ±  1%  slabinfo.nfs_inode_cache.active_objs
     19130 ±  0%     +15.3%      22064 ±  1%  slabinfo.nfs_inode_cache.num_objs
     19086 ±  0%     +15.3%      22012 ±  1%  slabinfo.xfs_ili.active_objs
    733.50 ±  0%     +15.3%     846.00 ±  1%  slabinfo.xfs_ili.active_slabs
     19086 ±  0%     +15.3%      22012 ±  1%  slabinfo.xfs_ili.num_objs
    733.50 ±  0%     +15.3%     846.00 ±  1%  slabinfo.xfs_ili.num_slabs
     19113 ±  0%     +15.3%      22042 ±  1%  slabinfo.xfs_inode.active_objs
     19113 ±  0%     +15.3%      22042 ±  1%  slabinfo.xfs_inode.num_objs


vm-lkp-wsx01-8G: qemu-system-x86_64 -enable-kvm -cpu kvm64
Memory: 8G

nhm4: Nehalem
Memory: 4G




                                cpuidle.POLL.usage

  4500 ++-------------------------------------------------------------------+
       |                               *                                    |
  4000 ++                             : +                                   |
       |            *..               :  +                       *          |
  3500 ++          +                 :    *.     *..*..         + +     .*..|
       *..*.*..  .*    *..*.*..*..*.*       *.. +      *.*..*..*   +  .*    *
  3000 ++      *.                              *                    *.      |
       |                                                                    |
  2500 ++                                                                   |
       |                                                                    |
  2000 ++                                                                   |
       |                                                                    |
  1500 ++                                 O                                 |
       O    O     O O  O       O    O       O  O O                          |
  1000 ++-O----O----------O-O-----O----O------------------------------------+


                                 turbostat.Avg_MHz

  250 ++--------------------------------------------------------------------+
      |                                          O                          |
  245 ++         O    O       O  O  O O  O  O O                             |
      O  O O  O    O     O  O                                               |
  240 ++                                                                    |
      |                                                                     |
  235 ++                                                                    |
      |                                                                     |
  230 ++              *                                                     |
      |              + :                                                    |
  225 *+.*.*..*..*. +   :                               .*..               .*
      |            *    :    .*..  .*.*..  .*.*..*..*.*.    *..*.      *.*. |
  220 ++                 *..*    *.      *.                      *.. ..     |
      |                                                             *       |
  215 ++--------------------------------------------------------------------+


                                  turbostat.%Busy

    8 ++--------------------------------------------------------------------+
      O  O O     O    O       O  O  O O  O       O                          |
  7.8 ++      O    O     O  O                 O                             |
  7.6 ++                                                                    |
      |                                     O                               |
  7.4 ++                                                                    |
      |                                                                     |
  7.2 ++                                                                    |
      |                                                                     |
    7 ++.*.     .*.  .*..                               .*..               .*
  6.8 *+   *..*.   *.    *..*.*..   *.*..*..*.*..*..*.*.    *..*.      *.*. |
      |                           ..                             *.. ..     |
  6.6 ++                         *                                  *       |
      |                                                                     |
  6.4 ++--------------------------------------------------------------------+


                               fsmark.files_per_sec

  740 ++--------------------------------------------------------------------+
      |               *                                                     |
  720 ++              :                                                     |
      |              : :                                                    |
  700 ++             : :                                                    |
      |             :   :                                                   |
  680 ++            :   :                                                   |
      *..*.*..    .*     :   .*..*.. .*..       .*.. .*..*..               .*
  660 ++      *..*       *..*       *    *..*.*.    *       *..*.*..*..*.*. |
      |                                                                     |
  640 ++                                                                    |
      |                                     O                               |
  620 O+ O O  O  O O  O  O  O O  O  O O  O    O  O                          |
      |                                                                     |
  600 ++--------------------------------------------------------------------+


                             fsmark.time.elapsed_time

  170 ++--------------------------------------------------------------------+
      |                                                                     |
  165 O+ O O  O  O O     O  O O  O  O O  O       O                          |
      |               O                     O O                             |
      |                                                                     |
  160 ++                                                                    |
      |                                                         .*..        |
  155 *+.*.*..*..*.*     *..*.*..  .*.*..*..*.*..  .*.     .*..*    *..*.*..*
      |             :   :        *.              *.   *..*.                 |
  150 ++            :   :                                                   |
      |              : :                                                    |
      |              : :                                                    |
  145 ++              *                                                     |
      |                                                                     |
  140 ++--------------------------------------------------------------------+


                           fsmark.time.elapsed_time.max

  170 ++--------------------------------------------------------------------+
      |                                                                     |
  165 O+ O O  O  O O     O  O O  O  O O  O       O                          |
      |               O                     O O                             |
      |                                                                     |
  160 ++                                                                    |
      |                                                         .*..        |
  155 *+.*.*..*..*.*     *..*.*..  .*.*..*..*.*..  .*.     .*..*    *..*.*..*
      |             :   :        *.              *.   *..*.                 |
  150 ++            :   :                                                   |
      |              : :                                                    |
      |              : :                                                    |
  145 ++              *                                                     |
      |                                                                     |
  140 ++--------------------------------------------------------------------+


                      fsmark.time.involuntary_context_switches

  126000 ++---*------------------------------------------------*------------+
         *..*    *.*..*.*..    .*..  *..*..         .*.*..*.. +   *    *.*..*
  125000 ++                *..*     +      *.*..*.*.         *     + ..     |
  124000 ++                        *                                *       |
         |                                                                  |
  123000 ++                                                                 |
  122000 ++                                                                 |
         |                                                                  |
  121000 ++                                                                 |
  120000 ++                                                                 |
         |                                                                  |
  119000 ++                   O                                             |
  118000 O+ O    O    O    O       O    O  O O  O O                         |
         |    O    O    O       O    O                                      |
  117000 ++-----------------------------------------------------------------+


                                  time.user_time

  1.6 ++-------------------------O----O-------------------------------------+
      O    O                                     O                          |
  1.5 ++ O    O    O  O  O    O     O    O                                  |
      |          O          O               O O                             |
      |                                                                     |
  1.4 ++                                                                    |
      |                                                                     |
  1.3 ++                                                                    |
      |           .*..                               .*..                   |
  1.2 ++.*.     .*      .*..*.               .*..*..*    *..                |
      *.   *..*.      *.      *..    .*..*..*               *..    .*..     |
      |                            .*                          *.*.    *.*..*
  1.1 ++                         *.                                         |
      |                                                                     |
    1 ++--------------------------------------------------------------------+


                                    vmstat.io.bo

  10200 ++--------------*---------------------------------------------------+
  10000 ++              :                                                   |
        |              : :                                                  |
   9800 ++             : :                                                  |
   9600 ++             : :                                                  |
        |             :  :                                                  |
   9400 ++            :   :                                                 |
   9200 *+.          :    :      .*..            .*.  .*..    .*.. .*..    .*
   9000 ++ *.*..*.*..*    *..*..*    *.*..*..*.*.   *.     .*.    *    *.*. |
        |                                                 *                 |
   8800 ++                                                                  |
   8600 ++           O    O  O               O                              |
        O  O O  O O     O       O O  O O       O  O                         |
   8400 ++                                                                  |
   8200 ++--------------------------------O---------------------------------+


                          proc-vmstat.nr_slab_unreclaimable

  16000 ++------------------------------------------------------------------+
        O    O  O                         O    O                            |
  15000 ++ O      O  O  O O  O  O O  O O     O    O                         |
        |                                                                   |
  14000 ++                                                                  |
        |                                                                   |
  13000 ++                                                                  |
        |                                                                   |
  12000 ++                                                                  |
        |                                                                   |
  11000 ++                                                                  |
        |              .*.                                                  |
  10000 *+.*.*..*.*..*.   *..*..*.*..*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
        |                                                                   |
   9000 ++------------------------------------------------------------------+


                                    meminfo.Slab

  155000 ++-----------------------------------------------------------------+
         |       O                              O                           |
  150000 O+ O O    O  O O  O  O O  O O  O  O      O                         |
         |                                   O                              |
  145000 ++                                                                 |
         |                                                                  |
  140000 ++                                                                 |
         |                                                                  |
  135000 ++                                                                 |
         |                                                                  |
  130000 ++                                                                 |
         |              *..                                                 |
  125000 ++            +                                                    |
         |      .*.*..*    *..*.  .*.*..  .*.*..*.  .*.     .*.*..*.*..*.*..|
  120000 *+-*-*-----------------*-------*---------*----*--*-----------------*


                                 meminfo.SUnreclaim

  65000 ++------------------------------------------------------------------+
        |                                                                   |
  60000 O+ O O  O O  O  O O  O  O O  O O  O    O  O                         |
        |                                    O                              |
        |                                                                   |
  55000 ++                                                                  |
        |                                                                   |
  50000 ++                                                                  |
        |                                                                   |
  45000 ++                                                                  |
        |                                                                   |
        |              .*.*..               .*.                             |
  40000 *+.*.*..*.*..*.      *..*.*..*.*..*.   *..*.*..*..*.*..*..*.*..*.*..*
        |                                                                   |
  35000 ++------------------------------------------------------------------+


                          slabinfo.kmalloc-256.active_objs

  25000 ++------O------------------------------O----------------------------+
        O  O O    O  O  O O  O  O O  O O  O  O    O                         |
        |                                                                   |
  20000 ++                                                                  |
        |                                                                   |
        |                                                                   |
  15000 ++                                                                  |
        |                                                                   |
  10000 ++                                                                  |
        |                                                                   |
        |                                                                   |
   5000 ++                                                                  |
        |                                                                   |
        *..*.*..*.*..*..*.*..*..*.*..*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
      0 ++------------------------------------------------------------------+


                            slabinfo.kmalloc-256.num_objs

  25000 O+-O----O-O--O-------O--O-O--O-O--O----O----------------------------+
        |    O          O O                  O    O                         |
        |                                                                   |
  20000 ++                                                                  |
        |                                                                   |
        |                                                                   |
  15000 ++                                                                  |
        |                                                                   |
  10000 ++                                                                  |
        |                                                                   |
        |                                                                   |
   5000 ++                                                                  |
        *..*.*..       .*.  .*..              .*..       .*.          .*.*..|
        |       *.*..*.   *.    *.*..*.*..*..*    *.*..*.   *..*..*.*.      *
      0 ++------------------------------------------------------------------+


                         slabinfo.kmalloc-256.active_slabs

  800 ++--------------------------------------------------------------------+
      O  O O  O  O O  O  O  O O  O  O O  O  O O  O                          |
  700 ++                                                                    |
  600 ++                                                                    |
      |                                                                     |
  500 ++                                                                    |
      |                                                                     |
  400 ++                                                                    |
      |                                                                     |
  300 ++                                                                    |
  200 ++                                                                    |
      |                                                                     |
  100 ++  .*..       .*..  .*.               .*..                     .*.*..|
      *..*    *..*.*.    *.   *..*..*.*..*..*    *..*.*..*..*..*.*..*.      *
    0 ++--------------------------------------------------------------------+


                          slabinfo.kmalloc-256.num_slabs

  800 ++--------------------------------------------------------------------+
      O  O O  O  O O  O  O  O O  O  O O  O  O O  O                          |
  700 ++                                                                    |
  600 ++                                                                    |
      |                                                                     |
  500 ++                                                                    |
      |                                                                     |
  400 ++                                                                    |
      |                                                                     |
  300 ++                                                                    |
  200 ++                                                                    |
      |                                                                     |
  100 ++  .*..       .*..  .*.               .*..                     .*.*..|
      *..*    *..*.*.    *.   *..*..*.*..*..*    *..*.*..*..*..*.*..*.      *
    0 ++--------------------------------------------------------------------+


                          slabinfo.kmalloc-192.active_objs

  80000 ++------------------------------------------------------------------+
        |                                                                   |
  70000 O+ O O  O O  O  O O  O  O O  O O  O  O O  O                         |
  60000 ++                                                                  |
        |                                                                   |
  50000 ++                                                                  |
        |                                                                   |
  40000 ++                                                                  |
        |                                                                   |
  30000 ++                                                                  |
  20000 ++                                                                  |
        |                                                                   |
  10000 ++                                                                  |
        *..*.*..*.*..*..*.*..*..*.*..*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
      0 ++------------------------------------------------------------------+


                            slabinfo.kmalloc-192.num_objs

  80000 ++------------------------------------------------------------------+
        |                                                                   |
  70000 O+ O O  O O  O  O O  O  O O  O O  O  O O  O                         |
  60000 ++                                                                  |
        |                                                                   |
  50000 ++                                                                  |
        |                                                                   |
  40000 ++                                                                  |
        |                                                                   |
  30000 ++                                                                  |
  20000 ++                                                                  |
        |                                                                   |
  10000 ++                                                                  |
        *..*.*..*.*..*..*.*..*..*.*..*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
      0 ++------------------------------------------------------------------+


                         slabinfo.kmalloc-192.active_slabs

  1800 ++-------------------------------------------------------------------+
       O  O O  O  O O  O  O O  O  O O  O  O O  O O                          |
  1600 ++                                                                   |
  1400 ++                                                                   |
       |                                                                    |
  1200 ++                                                                   |
  1000 ++                                                                   |
       |                                                                    |
   800 ++                                                                   |
   600 ++                                                                   |
       |                                                                    |
   400 ++                                                                   |
   200 ++                                                                   |
       *..*.*..*..*.*..*..*.*..*..*.*..*..*.*..*.*..*..*.*..*..*.*..*..*.*..*
     0 ++-------------------------------------------------------------------+


                          slabinfo.kmalloc-192.num_slabs

  1800 ++-------------------------------------------------------------------+
       O  O O  O  O O  O  O O  O  O O  O  O O  O O                          |
  1600 ++                                                                   |
  1400 ++                                                                   |
       |                                                                    |
  1200 ++                                                                   |
  1000 ++                                                                   |
       |                                                                    |
   800 ++                                                                   |
   600 ++                                                                   |
       |                                                                    |
   400 ++                                                                   |
   200 ++                                                                   |
       *..*.*..*..*.*..*..*.*..*..*.*..*..*.*..*.*..*..*.*..*..*.*..*..*.*..*
     0 ++-------------------------------------------------------------------+


                           slabinfo.kmalloc-32.active_objs

  55000 ++------------------------------------------------------------------+
  50000 O+ O O  O O                                                         |
        |                                                                   |
  45000 ++                                                                  |
  40000 ++                                                                  |
        |                                                                   |
  35000 ++                                                                  |
  30000 ++           O          O O  O O  O                                 |
  25000 ++              O O  O               O O  O                         |
        |                                                                   |
  20000 ++                                                                  |
  15000 ++                                                                  |
        |                                                                   |
  10000 ++.*.*..*.*..*..*.*..*..*.  .*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
   5000 *+------------------------*-----------------------------------------+


                            slabinfo.kmalloc-32.num_objs

  55000 ++------------------------------------------------------------------+
  50000 O+ O O  O O                                                         |
        |                                                                   |
  45000 ++                                                                  |
  40000 ++                                                                  |
        |                                                                   |
  35000 ++                                                                  |
  30000 ++           O    O     O O  O O  O       O                         |
  25000 ++              O    O               O O                            |
        |                                                                   |
  20000 ++                                                                  |
  15000 ++                                                                  |
        |                                                                   |
  10000 ++.*.*..*.*..*..*.*..*..*.*..*.*..*..*.*..*.*..*..*.*..*..*.*..*.*..*
   5000 *+------------------------------------------------------------------+


                         slabinfo.kmalloc-32.active_slabs

  450 ++--------------------------------------------------------------------+
      |                                                                     |
  400 O+ O O  O  O                                                          |
  350 ++                                                                    |
      |                                                                     |
  300 ++                                                                    |
      |                                                                     |
  250 ++                                                                    |
      |            O     O  O O  O  O O  O  O O  O                          |
  200 ++              O                                                     |
  150 ++                                                                    |
      |                                                                     |
  100 ++                                                                    |
      | .*.*..*..*.*..*..*..*.          .*..*.*..*..*.*..*..*..*.*..*..*.*..*
   50 *+----------------------*--*--*-*-------------------------------------+


                           slabinfo.kmalloc-32.num_slabs

  450 ++--------------------------------------------------------------------+
      |                                                                     |
  400 O+ O O  O  O                                                          |
  350 ++                                                                    |
      |                                                                     |
  300 ++                                                                    |
      |                                                                     |
  250 ++                                                                    |
      |            O     O  O O  O  O O  O  O O  O                          |
  200 ++              O                                                     |
  150 ++                                                                    |
      |                                                                     |
  100 ++                                                                    |
      | .*.*..*..*.*..*..*..*.          .*..*.*..*..*.*..*..*..*.*..*..*.*..*
   50 *+----------------------*--*--*-*-------------------------------------+

	[*] 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

[-- Attachment #2: job.yaml --]
[-- Type: text/plain, Size: 3802 bytes --]

---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: fsmark
default-monitors:
  wait: activate-monitor
  kmsg: 
  uptime: 
  iostat: 
  vmstat: 
  numa-numastat: 
  numa-vmstat: 
  numa-meminfo: 
  proc-vmstat: 
  proc-stat:
    interval: 10
  meminfo: 
  slabinfo: 
  interrupts: 
  lock_stat: 
  latency_stats: 
  softirqs: 
  bdi_dev_mapping: 
  diskstats: 
  nfsstat: 
  cpuidle: 
  cpufreq-stats: 
  turbostat: 
  pmeter: 
  sched_debug:
    interval: 60
cpufreq_governor: performance
default-watchdogs:
  oom-killer: 
  watchdog: 
commit: f0fa5bea9af16950b794d509e65e6f9e8f5778b2
model: Nehalem
nr_cpu: 8
memory: 4G
hdd_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part1"
swap_partitions: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part2"
rootfs_partition: "/dev/disk/by-id/ata-WDC_WD1003FBYZ-010FB0_WD-WCAW36812041-part3"
netconsole_port: 6649
category: benchmark
iterations: 1x
nr_threads: 32t
disk: 1HDD
fs: xfs
fs2: nfsv4
fsmark:
  filesize: 9B
  test_size: 400M
  sync_method: fsyncBeforeClose
  nr_directories: 16d
  nr_files_per_directory: 256fpd
queue: cyclic
testbox: nhm4
tbox_group: nhm4
kconfig: x86_64-rhel
enqueue_time: 2015-09-17 23:40:59.069047553 +08:00
id: 062a4d391cc4a1b01e7c694c74a1691ea540c27d
user: lkp
compiler: gcc-4.9
head_commit: f0fa5bea9af16950b794d509e65e6f9e8f5778b2
base_commit: 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f
branch: linux-devel/devel-hourly-2015091908
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/f0fa5bea9af16950b794d509e65e6f9e8f5778b2/vmlinuz-4.3.0-rc1-wl-02314-gf0fa5be"
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/fsmark/performance-1x-32t-1HDD-xfs-nfsv4-9B-400M-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/f0fa5bea9af16950b794d509e65e6f9e8f5778b2/0"
job_file: "/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-xfs-nfsv4-9B-400M-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-f0fa5bea9af16950b794d509e65e6f9e8f5778b2-20150917-30297-13jbp0j-0.yaml"
dequeue_time: 2015-09-19 09:46:54.157317533 +08:00
max_uptime: 952.08
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/nhm4/cyclic_fsmark-performance-1x-32t-1HDD-xfs-nfsv4-9B-400M-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-f0fa5bea9af16950b794d509e65e6f9e8f5778b2-20150917-30297-13jbp0j-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2015091908
- commit=f0fa5bea9af16950b794d509e65e6f9e8f5778b2
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/f0fa5bea9af16950b794d509e65e6f9e8f5778b2/vmlinuz-4.3.0-rc1-wl-02314-gf0fa5be
- max_uptime=952
- RESULT_ROOT=/result/fsmark/performance-1x-32t-1HDD-xfs-nfsv4-9B-400M-fsyncBeforeClose-16d-256fpd/nhm4/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/f0fa5bea9af16950b794d509e65e6f9e8f5778b2/0
- LKP_SERVER=inn
- |-
  libata.force=1.5Gbps

  earlyprintk=ttyS0,115200 systemd.log_level=err
  debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100
  panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0
  console=ttyS0,115200 console=tty0 vga=normal

  rw
lkp_initrd: "/lkp/lkp/lkp-x86_64.cgz"
modules_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/f0fa5bea9af16950b794d509e65e6f9e8f5778b2/modules.cgz"
bm_initrd: "/osimage/deps/debian-x86_64-2015-02-07.cgz/lkp.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/run-ipconfig.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/turbostat.cgz,/lkp/benchmarks/turbostat.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs.cgz,/osimage/deps/debian-x86_64-2015-02-07.cgz/fs2.cgz,/lkp/benchmarks/fsmark.cgz"
job_state: finished
loadavg: 31.52 14.09 5.39 1/184 3144
start_time: '1442627242'
end_time: '1442627407'
version: "/lkp/lkp/.src-20150918-192806"

[-- Attachment #3: reproduce --]
[-- Type: text/plain, Size: 1351 bytes --]

echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
mkfs -t xfs /dev/sdb1
mount -t xfs -o nobarrier,inode64 /dev/sdb1 /fs/sdb1
/etc/init.d/rpcbind start
/etc/init.d/nfs-common start
/etc/init.d/nfs-kernel-server start
mount -t nfs -o vers=4 localhost:/fs/sdb1 /nfs/sdb1
./fs_mark -d /nfs/sdb1/1 -d /nfs/sdb1/2 -d /nfs/sdb1/3 -d /nfs/sdb1/4 -d /nfs/sdb1/5 -d /nfs/sdb1/6 -d /nfs/sdb1/7 -d /nfs/sdb1/8 -d /nfs/sdb1/9 -d /nfs/sdb1/10 -d /nfs/sdb1/11 -d /nfs/sdb1/12 -d /nfs/sdb1/13 -d /nfs/sdb1/14 -d /nfs/sdb1/15 -d /nfs/sdb1/16 -d /nfs/sdb1/17 -d /nfs/sdb1/18 -d /nfs/sdb1/19 -d /nfs/sdb1/20 -d /nfs/sdb1/21 -d /nfs/sdb1/22 -d /nfs/sdb1/23 -d /nfs/sdb1/24 -d /nfs/sdb1/25 -d /nfs/sdb1/26 -d /nfs/sdb1/27 -d /nfs/sdb1/28 -d /nfs/sdb1/29 -d /nfs/sdb1/30 -d /nfs/sdb1/31 -d /nfs/sdb1/32 -D 16 -N 256 -n 3200 -L 1 -S 1 -s 9

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