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From: kernel test robot <ying.huang@intel.com>
To: Jeff Layton <jeff.layton@primarydata.com>
Cc: lkp@01.org
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec
Date: Mon, 28 Sep 2015 14:49:32 +0800	[thread overview]
Message-ID: <87h9mfhwcj.fsf@yhuang-dev.intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 43199 bytes --]

FYI, we noticed the below changes on

=========================================================================================
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:
  lkp-ne04/fsmark/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/performance/1x/32t/1HDD/xfs/nfsv4/5K/400M/fsyncBeforeClose/16d/256fpd

commit: 
  cd2d35ff27c4fda9ba73b0aa84313e8e20ce4d2c
  4aac1bf05b053a201a4b392dd9a684fb2b7e6103

cd2d35ff27c4fda9 4aac1bf05b053a201a4b392dd9 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
  14415356 ±  0%      +2.6%   14788625 ±  1%  fsmark.app_overhead
    441.60 ±  0%      -2.9%     428.80 ±  0%  fsmark.files_per_sec
    185.78 ±  0%      +2.9%     191.26 ±  0%  fsmark.time.elapsed_time
    185.78 ±  0%      +2.9%     191.26 ±  0%  fsmark.time.elapsed_time.max
     97472 ±  0%      -2.8%      94713 ±  0%  fsmark.time.involuntary_context_switches
   3077117 ± 95%    +251.2%   10805440 ±112%  latency_stats.sum.nfs_wait_on_request.nfs_updatepage.nfs_write_end.generic_perform_write.__generic_file_write_iter.generic_file_write_iter.nfs_file_write.__vfs_write.vfs_write.SyS_write.entry_SYSCALL_64_fastpath
     12999 ±  0%     +32.9%      17276 ±  0%  proc-vmstat.nr_slab_unreclaimable
     64568 ±  4%     -14.8%      55032 ±  0%  softirqs.RCU
     51999 ±  0%     +32.9%      69111 ±  0%  meminfo.SUnreclaim
    159615 ±  0%     +13.5%     181115 ±  0%  meminfo.Slab
      3.75 ±  0%      +3.3%       3.88 ±  1%  turbostat.%Busy
     77.25 ±  0%      +6.5%      82.25 ±  0%  turbostat.Avg_MHz
  30813025 ±  2%     -14.5%   26338527 ±  9%  cpuidle.C1E-NHM.time
    164180 ±  0%     -28.9%     116758 ±  7%  cpuidle.C1E-NHM.usage
      1738 ±  2%     -81.2%     326.75 ±  4%  cpuidle.POLL.usage
     29979 ±  2%     +44.3%      43273 ±  4%  numa-meminfo.node0.SUnreclaim
     94889 ±  0%     +19.8%     113668 ±  2%  numa-meminfo.node0.Slab
     22033 ±  3%     +17.3%      25835 ±  7%  numa-meminfo.node1.SUnreclaim
      7404 ±  1%      -2.7%       7206 ±  0%  vmstat.io.bo
     27121 ±  0%      -4.8%      25817 ±  0%  vmstat.system.cs
      3025 ±  0%     -13.5%       2615 ±  0%  vmstat.system.in
     50126 ±  1%     +11.5%      55893 ±  1%  numa-vmstat.node0.nr_dirtied
      7494 ±  2%     +44.3%      10818 ±  4%  numa-vmstat.node0.nr_slab_unreclaimable
     50088 ±  1%     +11.6%      55900 ±  1%  numa-vmstat.node0.nr_written
      5507 ±  3%     +17.3%       6458 ±  7%  numa-vmstat.node1.nr_slab_unreclaimable
      7164 ±  2%    +275.2%      26885 ±  0%  slabinfo.kmalloc-16.active_objs
      7164 ±  2%    +275.3%      26885 ±  0%  slabinfo.kmalloc-16.num_objs
      7367 ±  1%    +787.7%      65401 ±  0%  slabinfo.kmalloc-192.active_objs
    179.00 ±  1%    +771.8%       1560 ±  0%  slabinfo.kmalloc-192.active_slabs
      7537 ±  1%    +770.0%      65572 ±  0%  slabinfo.kmalloc-192.num_objs
    179.00 ±  1%    +771.8%       1560 ±  0%  slabinfo.kmalloc-192.num_slabs
      3631 ±  7%    +522.3%      22600 ±  0%  slabinfo.kmalloc-256.active_objs
    145.50 ±  4%    +398.1%     724.75 ±  0%  slabinfo.kmalloc-256.active_slabs
      4667 ±  4%    +397.3%      23210 ±  0%  slabinfo.kmalloc-256.num_objs
    145.50 ±  4%    +398.1%     724.75 ±  0%  slabinfo.kmalloc-256.num_slabs
     17448 ±  2%     +75.6%      30643 ±  0%  slabinfo.kmalloc-32.active_objs
    137.50 ±  2%     +76.5%     242.75 ±  0%  slabinfo.kmalloc-32.active_slabs
     17651 ±  2%     +76.4%      31139 ±  0%  slabinfo.kmalloc-32.num_objs
    137.50 ±  2%     +76.5%     242.75 ±  0%  slabinfo.kmalloc-32.num_slabs
      2387 ±  3%     -10.7%       2132 ±  8%  slabinfo.kmalloc-512.active_objs
    491.25 ±  3%     +33.9%     658.00 ± 11%  slabinfo.numa_policy.active_objs
    491.25 ±  3%     +33.9%     658.00 ± 11%  slabinfo.numa_policy.num_objs
      2128 ±  9%     +59.3%       3391 ± 34%  sched_debug.cfs_rq[10]:/.exec_clock
     18088 ± 17%     +47.0%      26582 ± 29%  sched_debug.cfs_rq[10]:/.min_vruntime
      4326 ± 11%     -22.2%       3368 ± 18%  sched_debug.cfs_rq[5]:/.exec_clock
      1459 ±  1%     -10.8%       1302 ±  3%  sched_debug.cpu#0.nr_uninterruptible
    122217 ±  7%     -18.6%      99447 ±  2%  sched_debug.cpu#1.nr_switches
    122732 ±  8%     -18.5%      99972 ±  2%  sched_debug.cpu#1.sched_count
     45603 ± 10%     -20.1%      36442 ±  2%  sched_debug.cpu#1.sched_goidle
     27004 ±  3%     -18.9%      21895 ±  5%  sched_debug.cpu#1.ttwu_local
     15469 ±  5%     +17.2%      18132 ±  6%  sched_debug.cpu#10.nr_load_updates
     78564 ±  8%     +26.6%      99492 ±  5%  sched_debug.cpu#10.nr_switches
     78605 ±  8%     +26.7%      99557 ±  4%  sched_debug.cpu#10.sched_count
     27470 ±  9%     +24.7%      34268 ±  7%  sched_debug.cpu#10.sched_goidle
     38215 ±  1%     +37.4%      52499 ± 13%  sched_debug.cpu#10.ttwu_count
     14816 ±  5%     +22.8%      18196 ±  2%  sched_debug.cpu#10.ttwu_local
     19690 ± 21%     -29.9%      13802 ± 15%  sched_debug.cpu#11.nr_switches
     54.25 ±  2%     -47.5%      28.50 ± 25%  sched_debug.cpu#11.nr_uninterruptible
     19721 ± 21%     -29.9%      13828 ± 15%  sched_debug.cpu#11.sched_count
     14545 ±  2%     +15.4%      16779 ±  4%  sched_debug.cpu#12.nr_load_updates
     72087 ± 11%     +27.9%      92204 ±  7%  sched_debug.cpu#12.nr_switches
     72126 ± 11%     +28.1%      92422 ±  7%  sched_debug.cpu#12.sched_count
     25418 ± 13%     +24.4%      31626 ±  7%  sched_debug.cpu#12.sched_goidle
     33399 ± 15%     +38.5%      46255 ± 13%  sched_debug.cpu#12.ttwu_count
     51.25 ± 10%     -39.0%      31.25 ± 21%  sched_debug.cpu#13.nr_uninterruptible
      2593 ± 11%     -21.8%       2028 ± 10%  sched_debug.cpu#13.ttwu_local
     71266 ±  3%     +20.1%      85620 ±  5%  sched_debug.cpu#14.nr_switches
     71306 ±  3%     +20.4%      85827 ±  5%  sched_debug.cpu#14.sched_count
     24634 ±  3%     +18.8%      29259 ±  4%  sched_debug.cpu#14.sched_goidle
     34625 ± 11%     +19.9%      41506 ± 11%  sched_debug.cpu#14.ttwu_count
     13866 ±  3%     +20.6%      16726 ±  5%  sched_debug.cpu#14.ttwu_local
     12683 ±  4%     -14.7%      10817 ±  2%  sched_debug.cpu#15.nr_load_updates
     49.75 ±  6%     -46.2%      26.75 ± 28%  sched_debug.cpu#15.nr_uninterruptible
      3374 ± 12%     -28.1%       2427 ± 18%  sched_debug.cpu#15.ttwu_local
    186563 ±  5%     -12.1%     163975 ±  4%  sched_debug.cpu#2.nr_switches
     -1324 ± -2%     -16.0%      -1111 ± -1%  sched_debug.cpu#2.nr_uninterruptible
    187499 ±  5%     -11.2%     166447 ±  4%  sched_debug.cpu#2.sched_count
     67465 ±  7%     -13.6%      58308 ±  6%  sched_debug.cpu#2.sched_goidle
     36525 ±  4%     -14.6%      31193 ±  1%  sched_debug.cpu#2.ttwu_local
     23697 ±  5%     -13.2%      20572 ±  9%  sched_debug.cpu#3.nr_load_updates
    128070 ±  1%     -22.9%      98687 ±  5%  sched_debug.cpu#3.nr_switches
    129859 ±  2%     -23.5%      99357 ±  4%  sched_debug.cpu#3.sched_count
     48833 ±  1%     -23.7%      37243 ±  6%  sched_debug.cpu#3.sched_goidle
     61622 ±  3%     -24.2%      46694 ±  5%  sched_debug.cpu#3.ttwu_count
     27510 ±  7%     -20.6%      21840 ±  8%  sched_debug.cpu#3.ttwu_local
     81675 ±  7%     -13.6%      70536 ±  1%  sched_debug.cpu#4.ttwu_count
     34076 ±  3%     -12.9%      29683 ±  1%  sched_debug.cpu#4.ttwu_local
    124470 ±  4%     -14.1%     106865 ±  8%  sched_debug.cpu#5.sched_count
     62502 ±  3%     -20.8%      49519 ±  9%  sched_debug.cpu#5.ttwu_count
     26562 ±  0%     -17.7%      21853 ± 10%  sched_debug.cpu#5.ttwu_local
    181661 ± 10%     -15.1%     154229 ±  6%  sched_debug.cpu#6.nr_switches
    181937 ± 10%     -13.5%     157379 ±  6%  sched_debug.cpu#6.sched_count
     66672 ± 14%     -16.6%      55632 ±  9%  sched_debug.cpu#6.sched_goidle
     78296 ±  2%     -10.2%      70346 ±  6%  sched_debug.cpu#6.ttwu_count
     33536 ±  1%     -14.4%      28696 ±  1%  sched_debug.cpu#6.ttwu_local
    131463 ±  6%     -17.0%     109140 ±  4%  sched_debug.cpu#7.nr_switches
    -32.25 ±-58%    -100.8%       0.25 ±9467%  sched_debug.cpu#7.nr_uninterruptible
    133606 ±  7%     -17.2%     110671 ±  4%  sched_debug.cpu#7.sched_count
     50986 ±  7%     -16.6%      42525 ±  6%  sched_debug.cpu#7.sched_goidle
     61388 ±  2%     -19.8%      49213 ±  5%  sched_debug.cpu#7.ttwu_count
     26637 ±  2%     -21.8%      20837 ±  3%  sched_debug.cpu#7.ttwu_local
     12312 ±  3%      +9.4%      13474 ±  4%  sched_debug.cpu#8.nr_load_updates
     53.50 ±  6%     -44.9%      29.50 ± 27%  sched_debug.cpu#9.nr_uninterruptible
      2724 ± 15%     -23.7%       2078 ± 26%  sched_debug.cpu#9.ttwu_local


lkp-ne04: Nehalem-EP
Memory: 12G




                                cpuidle.POLL.usage

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


                                cpuidle.C1E-NHM.usage

  190000 ++-----------------------------------------------------*-----------+
         |                                                     : :          |
  180000 ++                                                    :  :         |
  170000 ++                                               .*. :   :         |
         | .*..  .*..  .*.        .*..        .*..*..*..*.   *     *..*..*..*
  160000 *+    *.    *.   *..*..*.    *..*..*.                              |
  150000 ++                                                                 |
         |                                                                  |
  140000 ++                                                                 |
  130000 ++                                                              O  |
         |                                                                  |
  120000 ++          O          O     O                            O        |
  110000 ++ O  O  O     O          O     O  O     O                   O     |
         O                O  O                 O     O  O  O O  O           |
  100000 ++-----------------------------------------------------------------+


                               fsmark.files_per_sec

  446 ++--------------------------------------------------------------------+
  444 ++                                                        *..         |
      |                                                       ..            |
  442 *+.*..*..*..*..*..*..   *..*..*..*...*..*..*..*..*..*..*     *..*..*..*
  440 ++                    ..                                              |
  438 ++                   *                                                |
  436 ++                                                                    |
      |                                                                     |
  434 ++                                                                    |
  432 ++                                                                    |
  430 ++                                                                    |
  428 ++ O  O  O  O     O  O  O  O  O  O   O     O     O     O  O  O  O  O  |
      |                                                                     |
  426 O+             O                        O     O     O                 |
  424 ++--------------------------------------------------------------------+


                             fsmark.time.elapsed_time

  193 ++--------------------------------------------------------------------+
      O              O                        O                             |
  192 ++       O  O                    O   O        O  O  O  O     O  O     |
  191 ++ O  O           O  O     O  O            O              O           |
      |                       O                                          O  |
  190 ++                                                                    |
  189 ++                                                                    |
      |                                                                     |
  188 ++                                                                    |
  187 ++                                                                    |
      |                   .*..                                              |
  186 *+.  .*..*..*..*..*.    *..  .*..  ..*..  .*..  .*..  .*..   *..*..*..*
  185 ++ *.                      *.    *.     *.    *.    *.     ..         |
      |                                                         *           |
  184 ++--------------------------------------------------------------------+


                           fsmark.time.elapsed_time.max

  193 ++--------------------------------------------------------------------+
      O              O                        O                             |
  192 ++       O  O                    O   O        O  O  O  O     O  O     |
  191 ++ O  O           O  O     O  O            O              O           |
      |                       O                                          O  |
  190 ++                                                                    |
  189 ++                                                                    |
      |                                                                     |
  188 ++                                                                    |
  187 ++                                                                    |
      |                   .*..                                              |
  186 *+.  .*..*..*..*..*.    *..  .*..  ..*..  .*..  .*..  .*..   *..*..*..*
  185 ++ *.                      *.    *.     *.    *.    *.     ..         |
      |                                                         *           |
  184 ++--------------------------------------------------------------------+


                      fsmark.time.involuntary_context_switches

  98500 ++------------------------------------------------------------------+
  98000 ++               .*                                                 |
        |  *..        .*.  +       *..                         .*..*..*     *
  97500 ++.   *..*..*.      +    ..   *..*.*..*..*..*..*..*..*.        +   +|
  97000 *+                   *..*                                       + + |
        |                                                                *  |
  96500 ++                                                                  |
  96000 ++                                                                  |
  95500 ++                                                                  |
        |                                                                   |
  95000 ++    O  O  O                 O    O                          O  O  |
  94500 ++                O     O  O     O    O  O  O     O        O        |
        O  O                                           O     O  O           |
  94000 ++             O     O                                              |
  93500 ++------------------------------------------------------------------+


                                 vmstat.system.in

  3100 ++-------------------------------------------------------------------+
  3050 *+.                 .*..  .*..  .*..*..           .*..*..            |
       |    .*..*..  .*..*.    *.    *.       *..  .*..*.         .*..*..*..*
  3000 ++ *.       *.                            *.             *.          |
  2950 ++                                                                   |
  2900 ++                                                                   |
  2850 ++                                                                   |
       |                                                                    |
  2800 ++                                                                   |
  2750 ++                                                                   |
  2700 ++                                                                   |
  2650 ++                                              O     O              |
       |        O     O  O        O  O  O  O  O  O                 O  O     |
  2600 O+ O  O     O        O  O                    O     O     O        O  |
  2550 ++-------------------------------------------------------------------+


                       numa-vmstat.node0.nr_slab_unreclaimable

  12000 ++------------------------------------------------------------------+
        |                                                       O           |
  11000 ++    O     O           O        O    O                    O        |
        O        O     O           O                                     O  |
        |  O              O           O    O     O     O     O        O     |
  10000 ++                   O                      O     O                 |
        |                                                                   |
   9000 ++                                                                  |
        |                                                                   |
   8000 ++                                             *..                  |
        |                                    .*..*..  +           .*..     .*
        |    .*..        .*..           .*.*.        +    *..*..*.    *..*. |
   7000 *+.*.         .*.         .*..*.            *                       |
        |        *..*.       *..*.                                          |
   6000 ++------------------------------------------------------------------+


                            numa-vmstat.node0.nr_dirtied

  58000 ++------------------------------------------------------------------+
  57000 ++                                                               O  |
        O                             O             O     O                 |
  56000 ++    O     O  O           O       O                    O           |
  55000 ++ O     O           O           O    O  O     O     O     O  O     |
        |                 O     O                                           |
  54000 ++                                                                  |
  53000 ++                                                                  |
  52000 ++                                                                  |
        |  *..                                   *                          |
  51000 +++     .*..                      .*.. .. +            .*..      *..|
  50000 ++    *.    *..*..*..           .*    *    +  .*..   *.    *.. ..   *
        *                    *..  .*..*.            *.     ..         *     |
  49000 ++                      *.                        *                 |
  48000 ++------------------------------------------------------------------+


                            numa-vmstat.node0.nr_written

  58000 ++------------------------------------------------------------------+
  57000 ++                                                               O  |
        O              O              O             O     O                 |
  56000 ++    O     O              O       O                    O     O     |
  55000 ++ O     O           O           O    O  O     O     O     O        |
        |                 O     O                                           |
  54000 ++                                                                  |
  53000 ++                                                                  |
  52000 ++                                                                  |
        |                                        *                          |
  51000 ++ *..  .*..                      .*.. .. +    *       .*..      *..|
  50000 ++.   *.    *..*..*..           .*    *    + .. +    *.    *.. ..   *
        *                    *..  .*..*.            *    + ..         *     |
  49000 ++                      *.                        *                 |
  48000 ++------------------------------------------------------------------+


                            numa-meminfo.node0.SUnreclaim

  50000 ++------------------------------------------------------------------+
        |                                                                   |
        |                                                       O           |
  45000 ++    O     O           O        O    O                    O        |
        O        O     O           O                                     O  |
        |  O              O           O    O     O     O     O        O     |
  40000 ++                   O                      O     O                 |
        |                                                                   |
  35000 ++                                                                  |
        |                                                                   |
        |                                     *..      *..                  |
  30000 ++                                  ..   *.. ..   *..     .*..     .*
        *..*..*..        .*..        .*..*.*        *        *..*.    *..*. |
        |        *..*..*.         .*.                                       |
  25000 ++-------------------*--*-------------------------------------------+


                          proc-vmstat.nr_slab_unreclaimable

  17500 ++-O--O-----O--O-------------------O--O--------O-----O-----O-----O--+
  17000 O+       O        O  O  O  O  O  O       O  O     O     O     O     |
        |                                                                   |
  16500 ++                                                                  |
  16000 ++                                                                  |
        |                                                                   |
  15500 ++                                                                  |
  15000 ++                                                                  |
  14500 ++                                                                  |
        |                                                                   |
  14000 ++                                                                  |
  13500 ++                                                                  |
        |                                                                   |
  13000 *+.*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..*
  12500 ++------------------------------------------------------------------+


                                    meminfo.Slab

  185000 ++-----------------------------------------------------------------+
         |              O                   O           O    O        O     |
  180000 O+ O  O  O  O    O  O  O  O  O  O     O  O  O     O    O  O     O  |
         |                                                                  |
         |                                                                  |
  175000 ++                                                                 |
         |                                                                  |
  170000 ++                                                                 |
         |                                                                  |
  165000 ++                                                                 |
         |                                                                  |
         |                                                                  |
  160000 *+.*..*..*..*..*.*..*..     .*..*..*..*..*..  .*.. .*..*..*..*..*..*
         |                      *..*.                *.    *                |
  155000 ++-----------------------------------------------------------------+


                                 meminfo.SUnreclaim

  70000 ++-O--O-----O--O-------------------O--O--------O-----O-----O-----O--+
  68000 O+       O        O  O  O  O  O  O       O  O     O     O     O     |
        |                                                                   |
  66000 ++                                                                  |
  64000 ++                                                                  |
        |                                                                   |
  62000 ++                                                                  |
  60000 ++                                                                  |
  58000 ++                                                                  |
        |                                                                   |
  56000 ++                                                                  |
  54000 ++                                                                  |
        |                                                                   |
  52000 *+.*..*..*..*..*..*..*..*..*..*..*.*..*..*..*..*..*..*..*..*..*..*..*
  50000 ++------------------------------------------------------------------+


                          slabinfo.kmalloc-256.active_objs

  25000 ++------------------------------------------------------------------+
        |  O  O  O  O  O     O  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

  24000 ++-O--O-----O--O--------O-----O--O-O--O--O--O--O--O--O-----O-----O--+
  22000 O+       O        O  O     O                            O     O     |
        |                                                                   |
  20000 ++                                                                  |
  18000 ++                                                                  |
        |                                                                   |
  16000 ++                                                                  |
  14000 ++                                                                  |
  12000 ++                                                                  |
        |                                                                   |
  10000 ++                                                                  |
   8000 ++                                                                  |
        |                                                                   |
   6000 ++                                   .*..  .*..*..*..     .*..  .*..|
   4000 *+-*--*--*--*--*--*--*--*--*--*--*-*-----*-----------*--*-----*-----*


                         slabinfo.kmalloc-256.active_slabs

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


                          slabinfo.kmalloc-256.num_slabs

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


                          slabinfo.kmalloc-192.active_objs

  70000 ++------------------------------------------------------------------+
        O  O  O  O  O  O  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

  70000 ++------------------------------------------------------------------+
        O  O  O  O  O  O  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

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


                          slabinfo.kmalloc-192.num_slabs

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


                           slabinfo.kmalloc-32.active_objs

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


                            slabinfo.kmalloc-32.num_objs

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


                         slabinfo.kmalloc-32.active_slabs

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


                           slabinfo.kmalloc-32.num_slabs

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


                      kmsg.usb_usb7:can_t_set_config___error

    1 ++--------------------------------------------------------------------*
      |                                                                     |
      |                                                                    :|
  0.8 ++                                                                   :|
      |                                                                    :|
      |                                                                    :|
  0.6 ++                                                                  : |
      |                                                                   : |
  0.4 ++                                                                  : |
      |                                                                  :  |
      |                                                                  :  |
  0.2 ++                                                                 :  |
      |                                                                  :  |
      |                                                                 :   |
    0 *+--*---*---*---*----*---*---*---*---*---*---*---*----*---*---*---*---+

	[*] 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: 3753 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: 31e1a90a1e09e8e600f1b0b5dcb871c399448f81
model: Nehalem-EP
memory: 12G
hdd_partitions: "/dev/disk/by-id/ata-ST3500514NS_9WJ03EBA-part3"
swap_partitions: "/dev/disk/by-id/ata-ST3120026AS_5MS07HA2-part2"
rootfs_partition: "/dev/disk/by-id/ata-ST3500514NS_9WJ03EBA-part1"
category: benchmark
iterations: 1x
nr_threads: 32t
disk: 1HDD
fs: xfs
fs2: nfsv4
fsmark:
  filesize: 5K
  test_size: 400M
  sync_method: fsyncBeforeClose
  nr_directories: 16d
  nr_files_per_directory: 256fpd
queue: cyclic
testbox: lkp-ne04
tbox_group: lkp-ne04
kconfig: x86_64-rhel
enqueue_time: 2015-09-16 01:53:44.450007854 +08:00
id: fa22bba34d95d9194b42a923ea8e320612db9c82
user: lkp
compiler: gcc-4.9
head_commit: 31e1a90a1e09e8e600f1b0b5dcb871c399448f81
base_commit: 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f
branch: linux-devel/devel-hourly-2015091604
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/31e1a90a1e09e8e600f1b0b5dcb871c399448f81/vmlinuz-4.3.0-rc1-wl-ath-00944-g31e1a90"
rootfs: debian-x86_64-2015-02-07.cgz
result_root: "/result/fsmark/performance-1x-32t-1HDD-xfs-nfsv4-5K-400M-fsyncBeforeClose-16d-256fpd/lkp-ne04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/31e1a90a1e09e8e600f1b0b5dcb871c399448f81/0"
job_file: "/lkp/scheduled/lkp-ne04/cyclic_fsmark-performance-1x-32t-1HDD-xfs-nfsv4-5K-400M-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-31e1a90a1e09e8e600f1b0b5dcb871c399448f81-20150916-88681-jka6un-0.yaml"
dequeue_time: 2015-09-16 05:10:38.959773945 +08:00
nr_cpu: "$(nproc)"
max_uptime: 1073.42
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-ne04/cyclic_fsmark-performance-1x-32t-1HDD-xfs-nfsv4-5K-400M-fsyncBeforeClose-16d-256fpd-x86_64-rhel-CYCLIC_HEAD-31e1a90a1e09e8e600f1b0b5dcb871c399448f81-20150916-88681-jka6un-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2015091604
- commit=31e1a90a1e09e8e600f1b0b5dcb871c399448f81
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/31e1a90a1e09e8e600f1b0b5dcb871c399448f81/vmlinuz-4.3.0-rc1-wl-ath-00944-g31e1a90
- max_uptime=1073
- RESULT_ROOT=/result/fsmark/performance-1x-32t-1HDD-xfs-nfsv4-5K-400M-fsyncBeforeClose-16d-256fpd/lkp-ne04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/31e1a90a1e09e8e600f1b0b5dcb871c399448f81/0
- LKP_SERVER=inn
- |2-


  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-4.9/31e1a90a1e09e8e600f1b0b5dcb871c399448f81/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: 32.41 16.01 6.32 1/269 5937
start_time: '1442351486'
end_time: '1442351678'
version: "/lkp/lkp/.src-20150915-235159"

[-- Attachment #3: reproduce --]
[-- Type: text/plain, Size: 1944 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/cpu10/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu11/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu12/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu13/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu14/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu15/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
echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
mkfs -t xfs /dev/sda3
mount -t xfs -o nobarrier,inode64 /dev/sda3 /fs/sda3
/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/sda3 /nfs/sda3
./fs_mark -d /nfs/sda3/1 -d /nfs/sda3/2 -d /nfs/sda3/3 -d /nfs/sda3/4 -d /nfs/sda3/5 -d /nfs/sda3/6 -d /nfs/sda3/7 -d /nfs/sda3/8 -d /nfs/sda3/9 -d /nfs/sda3/10 -d /nfs/sda3/11 -d /nfs/sda3/12 -d /nfs/sda3/13 -d /nfs/sda3/14 -d /nfs/sda3/15 -d /nfs/sda3/16 -d /nfs/sda3/17 -d /nfs/sda3/18 -d /nfs/sda3/19 -d /nfs/sda3/20 -d /nfs/sda3/21 -d /nfs/sda3/22 -d /nfs/sda3/23 -d /nfs/sda3/24 -d /nfs/sda3/25 -d /nfs/sda3/26 -d /nfs/sda3/27 -d /nfs/sda3/28 -d /nfs/sda3/29 -d /nfs/sda3/30 -d /nfs/sda3/31 -d /nfs/sda3/32 -D 16 -N 256 -n 2560 -L 1 -S 1 -s 5120

             reply	other threads:[~2015-09-28  6:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-28  6:49 kernel test robot [this message]
2015-09-29 11:41 ` [lkp] [nfsd] 4aac1bf05b: -2.9% fsmark.files_per_sec Jeff Layton
2015-09-29 23:27   ` Huang, Ying
2015-09-30  0:06     ` Jeff Layton
2015-09-30  8:35       ` Huang, Ying
2015-09-30 10:03         ` Jeff Layton
2015-09-30 23:17           ` Dave Chinner
2015-10-01  0:56             ` J. Bruce Fields
2015-10-01 11:35             ` Jeff Layton

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