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Message-ID: <8760ywx3ll.fsf@yhuang-dev.intel.com>
Date:	Thu, 14 Jan 2016 11:05:42 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Trond Myklebust <trond.myklebust@...marydata.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [SUNRPC] e1e5693191: +71.4% fsmark.files_per_sec

FYI, we noticed the below changes on

git://internal_merge_and_test_tree revert-e1e56931915cc3fafb4e17d4e1073e24c0a304ce-e1e56931915cc3fafb4e17d4e1073e24c0a304ce
commit e1e56931915cc3fafb4e17d4e1073e24c0a304ce ("SUNRPC: Fixup socket wait for memory")


=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs2/fs/iterations/kconfig/md/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
  gcc-4.9/performance/3HDD/4M/nfsv4/btrfs/1x/x86_64-rhel/RAID0/64t/debian-x86_64-2015-02-07.cgz/NoSync/ivb44/200G/fsmark

commit: 
  v4.4-rc8
  e1e56931915cc3fafb4e17d4e1073e24c0a304ce

        v4.4-rc8 e1e56931915cc3fafb4e17d4e1 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
 1.018e+09 ±  2%     -37.3%   6.38e+08 ±  1%  fsmark.app_overhead
     22.40 ± 14%     +71.4%      38.40 ±  0%  fsmark.files_per_sec
      2287 ±  0%     -45.0%       1258 ±  0%  fsmark.time.elapsed_time
      2287 ±  0%     -45.0%       1258 ±  0%  fsmark.time.elapsed_time.max
     10.75 ±  4%     +83.7%      19.75 ±  2%  fsmark.time.percent_of_cpu_this_job_got
   1.2e+10 ±  2%     -74.1%  3.105e+09 ±  0%  latency_stats.sum.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_range.filemap_write_and_wait_range.nfs4_file_fsync.[nfsv4].vfs_fsync_range.vfs_fsync.nfs4_file_flush.[nfsv4].filp_close.__close_fd.SyS_close.entry_SYSCALL_64_fastpath
      2319 ±  0%     -44.4%       1290 ±  0%  uptime.boot
     97173 ±  0%     -42.3%      56052 ±  0%  uptime.idle
   8108411 ±  1%     +21.1%    9821389 ±  0%  meminfo.MemFree
     31468 ±  0%     +46.7%      46177 ±  0%  meminfo.NFS_Unstable
     21802 ±  2%     -39.3%      13242 ±  2%  meminfo.Writeback
      2287 ±  0%     -45.0%       1258 ±  0%  time.elapsed_time
      2287 ±  0%     -45.0%       1258 ±  0%  time.elapsed_time.max
     10.75 ±  4%     +83.7%      19.75 ±  2%  time.percent_of_cpu_this_job_got
   1266178 ±  0%     -21.0%    1000024 ±  0%  softirqs.NET_RX
    438856 ±  1%     -19.5%     353420 ±  2%  softirqs.RCU
    380524 ±  0%     -19.3%     307256 ±  0%  softirqs.SCHED
    841106 ±  0%     -21.0%     664215 ±  1%  softirqs.TIMER
     94084 ±  0%     +81.3%     170560 ±  0%  vmstat.io.bo
   8104477 ±  1%     +21.0%    9810467 ±  0%  vmstat.memory.free
      6.00 ±  0%     -20.8%       4.75 ±  9%  vmstat.procs.b
      9383 ±  1%     +65.2%      15505 ±  0%  vmstat.system.cs
      1251 ±  1%     +53.4%       1919 ±  0%  vmstat.system.in
  15732936 ±  3%     -15.0%   13365333 ±  1%  numa-numastat.node0.numa_foreign
   5797897 ±  4%     +32.6%    7688554 ±  0%  numa-numastat.node0.numa_miss
   5798012 ±  4%     +32.6%    7688606 ±  0%  numa-numastat.node0.other_node
   5797908 ±  4%     +32.6%    7688549 ±  0%  numa-numastat.node1.numa_foreign
  15732931 ±  3%     -15.0%   13365359 ±  1%  numa-numastat.node1.numa_miss
  15732913 ±  3%     -15.0%   13365296 ±  1%  numa-numastat.node1.other_node
 1.147e+10 ±  0%     -22.6%  8.874e+09 ±  0%  cpuidle.C1-IVT.time
 1.154e+09 ±  1%     -35.6%  7.428e+08 ±  2%  cpuidle.C1E-IVT.time
 5.187e+08 ±  2%     -33.2%  3.465e+08 ±  1%  cpuidle.C3-IVT.time
    153669 ±  0%     +21.9%     187252 ±  1%  cpuidle.C3-IVT.usage
 9.566e+10 ±  1%     -48.0%  4.973e+10 ±  0%  cpuidle.C6-IVT.time
   3124803 ±  0%     -16.7%    2604298 ±  0%  cpuidle.C6-IVT.usage
 1.013e+08 ± 15%     -61.7%   38786807 ± 20%  cpuidle.POLL.time
     10572 ± 22%     -66.8%       3507 ±  1%  cpuidle.POLL.usage
      9640 ±  2%      +9.0%      10507 ±  7%  numa-meminfo.node0.KernelStack
   3575187 ±  2%     +31.9%    4716524 ±  0%  numa-meminfo.node0.MemFree
     14978 ±  2%     +47.5%      22087 ±  0%  numa-meminfo.node0.NFS_Unstable
     10624 ±  1%     -35.9%       6810 ±  3%  numa-meminfo.node0.Writeback
      8474 ±  1%     +15.3%       9767 ±  2%  numa-meminfo.node1.Dirty
   4534267 ±  1%     +12.5%    5103016 ±  1%  numa-meminfo.node1.MemFree
     16667 ±  0%     +46.7%      24444 ±  2%  numa-meminfo.node1.NFS_Unstable
     11319 ±  2%     -40.2%       6768 ±  3%  numa-meminfo.node1.Writeback
      0.96 ±  1%     +33.0%       1.28 ±  0%  turbostat.%Busy
     29.75 ±  1%     +30.3%      38.75 ±  1%  turbostat.Avg_MHz
     23.58 ±  0%     +36.4%      32.17 ±  0%  turbostat.CPU%c1
      0.80 ±  3%     +15.5%       0.93 ±  1%  turbostat.CPU%c3
     74.66 ±  0%     -12.1%      65.62 ±  0%  turbostat.CPU%c6
     58.59 ±  0%      +4.0%      60.94 ±  0%  turbostat.CorWatt
     11.84 ±  4%     -46.8%       6.29 ±  5%  turbostat.Pkg%pc2
      0.08 ± 11%     -83.3%       0.01 ± 34%  turbostat.Pkg%pc3
      3.77 ±  2%     +41.7%       5.33 ±  2%  turbostat.Pkg%pc6
     88.77 ±  0%      +2.3%      90.81 ±  0%  turbostat.PkgWatt
      3.48 ±  0%     +12.3%       3.91 ±  0%  turbostat.RAMWatt
      1511 ± 16%     +21.5%       1835 ±  8%  proc-vmstat.allocstall
     11282 ±  3%     +47.5%      16646 ±  2%  proc-vmstat.kswapd_low_wmark_hit_quickly
   2027101 ±  1%     +21.1%    2455329 ±  0%  proc-vmstat.nr_free_pages
      7862 ±  0%     +46.6%      11524 ±  0%  proc-vmstat.nr_unstable
      5456 ±  2%     -39.2%       3319 ±  2%  proc-vmstat.nr_writeback
   4776414 ±  0%     -44.6%    2643782 ±  0%  proc-vmstat.pgfault
    253751 ± 16%     +21.2%     307466 ±  8%  proc-vmstat.pgscan_direct_dma32
   5618934 ± 16%     +21.2%    6810557 ±  8%  proc-vmstat.pgscan_direct_normal
    252127 ± 16%     +21.8%     306978 ±  8%  proc-vmstat.pgsteal_direct_dma32
   5584293 ± 16%     +21.8%    6800262 ±  8%  proc-vmstat.pgsteal_direct_normal
    867072 ±  0%     +50.5%    1304864 ±  0%  proc-vmstat.slabs_scanned
     21817 ±  0%     -21.8%      17066 ±  0%  proc-vmstat.workingset_refault
      8282 ±  5%     +10.1%       9122 ±  2%  slabinfo.anon_vma.active_objs
      8282 ±  5%     +10.1%       9122 ±  2%  slabinfo.anon_vma.num_objs
     17264 ±  0%     -10.4%      15468 ±  1%  slabinfo.btrfs_extent_buffer.active_objs
     17374 ±  0%     -10.5%      15551 ±  1%  slabinfo.btrfs_extent_buffer.num_objs
      6257 ±  1%     -16.3%       5234 ±  0%  slabinfo.kmalloc-1024.active_objs
      6467 ±  1%     -16.7%       5385 ±  0%  slabinfo.kmalloc-1024.num_objs
     52661 ±  0%     +18.8%      62552 ±  0%  slabinfo.kmalloc-128.active_objs
    880.75 ±  0%     +16.7%       1028 ±  0%  slabinfo.kmalloc-128.active_slabs
     56414 ±  0%     +16.7%      65812 ±  0%  slabinfo.kmalloc-128.num_objs
    880.75 ±  0%     +16.7%       1028 ±  0%  slabinfo.kmalloc-128.num_slabs
     10336 ± 10%     +15.9%      11978 ±  2%  slabinfo.kmalloc-256.active_objs
     24011 ±  1%     -15.1%      20393 ±  1%  slabinfo.kmalloc-512.active_objs
     24466 ±  1%     -15.1%      20768 ±  1%  slabinfo.kmalloc-512.num_objs
     28192 ±  1%     +14.7%      32329 ±  2%  slabinfo.kmalloc-96.active_objs
    684.00 ±  1%     +14.0%     779.50 ±  1%  slabinfo.kmalloc-96.active_slabs
     28758 ±  1%     +13.9%      32765 ±  1%  slabinfo.kmalloc-96.num_objs
    684.00 ±  1%     +14.0%     779.50 ±  1%  slabinfo.kmalloc-96.num_slabs
    893799 ±  2%     +31.9%    1179152 ±  0%  numa-vmstat.node0.nr_free_pages
    602.00 ±  2%      +9.0%     656.25 ±  7%  numa-vmstat.node0.nr_kernel_stack
      3742 ±  2%     +48.2%       5545 ±  1%  numa-vmstat.node0.nr_unstable
      2656 ±  0%     -36.8%       1679 ±  3%  numa-vmstat.node0.nr_writeback
   7234228 ±  5%     -22.1%    5636260 ±  3%  numa-vmstat.node0.numa_foreign
  25126071 ±  0%     -10.1%   22591402 ±  0%  numa-vmstat.node0.numa_hit
  25076317 ±  0%     -10.2%   22526610 ±  0%  numa-vmstat.node0.numa_local
   2332523 ±  4%     +31.5%    3066132 ±  1%  numa-vmstat.node0.numa_miss
   2382277 ±  4%     +31.4%    3130924 ±  1%  numa-vmstat.node0.numa_other
     14530 ±  0%     -22.6%      11245 ±  0%  numa-vmstat.node0.workingset_refault
      2117 ±  1%     +15.9%       2453 ±  1%  numa-vmstat.node1.nr_dirty
   1133575 ±  1%     +12.5%    1275767 ±  1%  numa-vmstat.node1.nr_free_pages
      4163 ±  0%     +47.6%       6146 ±  1%  numa-vmstat.node1.nr_unstable
      2829 ±  2%     -40.2%       1691 ±  3%  numa-vmstat.node1.nr_writeback
   2332530 ±  4%     +31.5%    3066140 ±  1%  numa-vmstat.node1.numa_foreign
   7234236 ±  5%     -22.1%    5636265 ±  3%  numa-vmstat.node1.numa_miss
   7263978 ±  5%     -22.2%    5651010 ±  3%  numa-vmstat.node1.numa_other
      7284 ±  2%     -20.0%       5825 ±  1%  numa-vmstat.node1.workingset_refault


                              fsmark.files_per_sec

  40 ++---------------------------------------------------------------------+
     O  O  O   O  O  O  O   O  O  O  O   O  O  O  O  O   O  O  O  O   O  O  O
  35 ++                                                                     |
  30 ++                                                                     |
     |                                                                      |
  25 ++ *      *..   *..   .*..*..*..*...*..*..   *      *..      *      *..|
     |..:      :   ..    ..                     ..:      :      ..:      :  |
  20 *+  :    :   *     *                      *   :    :   *..*   :    :   *
     |   :    :                                    :    :          :    :   |
  15 ++  :   :                                     :   :            :   :   |
  10 ++   :  :                                      :  :            :  :    |
     |    : :                                       : :              : :    |
   5 ++   : :                                       : :              : :    |
     |     :                                         :                :     |
   0 ++----*-----------------------------------------*----------------*-----+


                                  fsmark.app_overhead

  1.2e+09 ++----------------------------------------------------------------+
          |                   .*..                                          |
    1e+09 *+.*     *..      *.    *..     .*..  .*..*     *..  .*..*     *..|
          |  :     :  *.. ..         *..*.    *.    :     :  *.    :     :  *
          |   :    :     *                           :    :         :    :  |
    8e+08 ++  :   :                                  :   :          :   :   |
          O   : O :                           O      : O :      O  O:   :   O
    6e+08 ++ O:   :O  O  O  O  O  O     O  O     O  O:   :O  O      : O :O  |
          |    :  :                  O                :  :           :  :   |
    4e+08 ++   : :                                    : :            : :    |
          |    : :                                    : :            : :    |
          |    : :                                    : :            : :    |
    2e+08 ++    ::                                     ::             ::    |
          |     :                                      :              :     |
        0 ++----*--------------------------------------*--------------*-----+


                     fsmark.time.percent_of_cpu_this_job_got

  25 ++---------------------------------------------------------------------+
     |                                                                      |
     O     O   O     O                                                      |
  20 ++ O         O     O   O  O  O  O   O  O  O  O  O   O  O  O  O   O  O  O
     |                                                                      |
     |                                                                      |
  15 ++                                                                     |
     |                                                                      |
  10 *+.*      *..*..*..*...*..*..*..*...*..*..*..*      *..*..*..*      *..*
     |   :    :                                    :    :          :     :  |
     |   :    :                                    :    :          :    :   |
   5 ++   :  :                                      :  :            :   :   |
     |    : :                                       : :              : :    |
     |     ::                                        ::              : :    |
   0 ++----*-----------------------------------------*----------------*-----+


                             fsmark.time.elapsed_time

  2500 ++-------------------------------------------------------------------+
       *..*     *...*..*..*..*..*..*..*...*..  .*..*     *..*..*...*     *..*
       |  :     :                            *.    :     :         :     :  |
  2000 ++ :     :                                  :     :         :     :  |
       |   :   :                                    :   :           :   :   |
       |   :   :                                    :   :           :   :   |
  1500 ++  :   :                                    :   :           :   :   |
       O  O: O :O   O  O  O  O  O  O  O   O  O  O  O: O :O  O  O   O: O :O  O
  1000 ++   : :                                      : :             : :    |
       |    : :                                      : :             : :    |
       |    : :                                      : :             : :    |
   500 ++   : :                                      : :             : :    |
       |     :                                        :               :     |
       |     :                                        :               :     |
     0 ++----*----------------------------------------*---------------*-----+


                           fsmark.time.elapsed_time.max

  2500 ++-------------------------------------------------------------------+
       *..*     *...*..*..*..*..*..*..*...*..  .*..*     *..*..*...*     *..*
       |  :     :                            *.    :     :         :     :  |
  2000 ++ :     :                                  :     :         :     :  |
       |   :   :                                    :   :           :   :   |
       |   :   :                                    :   :           :   :   |
  1500 ++  :   :                                    :   :           :   :   |
       O  O: O :O   O  O  O  O  O  O  O   O  O  O  O: O :O  O  O   O: O :O  O
  1000 ++   : :                                      : :             : :    |
       |    : :                                      : :             : :    |
       |    : :                                      : :             : :    |
   500 ++   : :                                      : :             : :    |
       |     :                                        :               :     |
       |     :                                        :               :     |
     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

View attachment "job.yaml" of type "text/plain" (3870 bytes)

Download attachment "reproduce.sh" of type "application/x-sh" (6015 bytes)

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