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From: kernel test robot <ying.huang@linux.intel.com>
To: Stephane Gasparini <stephane.gasparini@linux.intel.com>
Cc: lkp@01.org
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: Philippe Longepe <philippe.longepe@linux.intel.com>
Cc: Jens Axboe <axboe@fb.com>
Subject: [lkp] [kernel/fs] d57d611505: +54.7% turbostat.%Busy
Date: Tue, 23 Feb 2016 16:26:10 +0800	[thread overview]
Message-ID: <87mvqrn87x.fsf@yhuang-dev.intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 20705 bytes --]

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit d57d611505d911c6f9f81cd9bd6dbd293d66dd9f ("kernel/fs: fix I/O wait not accounted for RW O_DSYNC")


=========================================================================================
compiler/cpufreq_governor/disk/filesize/fs/iterations/kconfig/nr_directories/nr_files_per_directory/nr_threads/rootfs/sync_method/tbox_group/test_size/testcase:
  gcc-4.9/performance/1HDD/9B/f2fs/1x/x86_64-rhel/16d/256fpd/32t/debian-x86_64-2015-02-07.cgz/fsyncBeforeClose/lkp-ne04/400M/fsmark

commit: 
  09954bad448791ef01202351d437abdd9497a804
  d57d611505d911c6f9f81cd9bd6dbd293d66dd9f

09954bad448791ef d57d611505d911c6f9f81cd9bd 
---------------- -------------------------- 
         %stddev     %change         %stddev
             \          |                \  
     14760 ±  1%      +6.3%      15695 ±  1%  fsmark.time.involuntary_context_switches
     46.00 ±  0%      -8.2%      42.25 ±  1%  fsmark.time.percent_of_cpu_this_job_got
     26151 ±116%     -71.3%       7498 ± 23%  latency_stats.sum.call_rwsem_down_read_failed.f2fs_mkdir.[f2fs].vfs_mkdir.SyS_mkdir.entry_SYSCALL_64_fastpath
      7418 ± 23%     -27.7%       5361 ±  3%  numa-vmstat.node0.nr_slab_unreclaimable
      1.47 ±  1%      -9.9%       1.33 ±  0%  time.user_time
      1447 ±  4%     -29.0%       1028 ±  7%  uptime.idle
      7.75 ± 19%    +206.5%      23.75 ±  1%  vmstat.procs.b
     29675 ± 23%     -27.7%      21447 ±  3%  numa-meminfo.node0.SUnreclaim
     83099 ±  8%     -11.5%      73568 ±  1%  numa-meminfo.node0.Slab
     11.91 ±  1%     +54.7%      18.43 ±  1%  turbostat.%Busy
    358.00 ±  1%     +60.0%     572.75 ±  1%  turbostat.Avg_MHz
     21.54 ±  0%     -17.4%      17.79 ±  1%  turbostat.CPU%c1
     24.78 ±  3%     +41.1%      34.98 ±  1%  turbostat.CPU%c3
     41.76 ±  1%     -31.0%      28.81 ±  1%  turbostat.CPU%c6
      8.53 ±  5%     -25.6%       6.34 ± 10%  turbostat.Pkg%pc3
  66312232 ±  0%     -68.5%   20910669 ±  4%  cpuidle.C1-NHM.time
  46386272 ±  2%     -20.5%   36884085 ±  5%  cpuidle.C1E-NHM.time
  2.79e+08 ±  2%     +51.5%  4.226e+08 ±  0%  cpuidle.C3-NHM.time
    254315 ±  2%     +25.1%     318250 ±  2%  cpuidle.C3-NHM.usage
 7.585e+08 ±  1%     -22.2%  5.901e+08 ±  1%  cpuidle.C6-NHM.time
    415414 ±  1%     -38.1%     257115 ±  1%  cpuidle.C6-NHM.usage
 1.135e+08 ±  1%     +77.8%  2.017e+08 ±  2%  cpuidle.POLL.time
    102777 ±  1%     +36.0%     139811 ±  1%  cpuidle.POLL.usage
      2011 ± 25%     -27.1%       1467 ±  2%  sched_debug.cfs_rq:/.exec_clock.2
      1820 ±  3%     -12.2%       1597 ±  7%  sched_debug.cfs_rq:/.exec_clock.4
      4297 ±  6%     +78.1%       7653 ± 54%  sched_debug.cfs_rq:/.min_vruntime.12
      4803 ± 18%     -16.1%       4028 ± 21%  sched_debug.cfs_rq:/.min_vruntime.8
      3763 ±  4%     -17.0%       3124 ±  7%  sched_debug.cfs_rq:/.min_vruntime.9
      3408 ±  4%     -14.9%       2900 ±  2%  sched_debug.cfs_rq:/.min_vruntime.min
      4.75 ± 54%     -73.7%       1.25 ±173%  sched_debug.cfs_rq:/.nr_spread_over.2
      1.99 ± 16%     +25.5%       2.50 ±  9%  sched_debug.cfs_rq:/.nr_spread_over.stddev
     -4362 ±-25%     -92.7%    -318.24 ±-1304%  sched_debug.cfs_rq:/.spread0.12
    200.25 ± 47%     -48.8%     102.50 ± 22%  sched_debug.cfs_rq:/.util_avg.7
    187.75 ± 64%     -77.2%      42.75 ± 56%  sched_debug.cfs_rq:/.util_avg.8
      1.41 ± 31%     +37.0%       1.93 ± 12%  sched_debug.cpu.clock.stddev
      1.41 ± 31%     +37.0%       1.93 ± 12%  sched_debug.cpu.clock_task.stddev
      1.63 ± 67%     -53.9%       0.75 ± 38%  sched_debug.cpu.cpu_load[4].stddev
     33822 ± 16%     -17.2%      28018 ±  4%  sched_debug.cpu.nr_switches.13
     36824 ±  3%     +12.9%      41569 ±  4%  sched_debug.cpu.nr_switches.14
     33117 ±  7%     -11.1%      29438 ±  5%  sched_debug.cpu.nr_switches.15
     57634 ±  3%      +8.8%      62716 ±  3%  sched_debug.cpu.nr_switches.4
      1723 ±  7%     -11.3%       1527 ±  5%  sched_debug.cpu.nr_uninterruptible.10
      1378 ±  6%      -8.7%       1258 ±  5%  sched_debug.cpu.nr_uninterruptible.15
      1232 ± 10%     +25.3%       1543 ±  3%  sched_debug.cpu.nr_uninterruptible.8
     34660 ± 13%     -19.1%      28034 ±  4%  sched_debug.cpu.sched_count.13
     37545 ±  2%     +18.9%      44629 ±  7%  sched_debug.cpu.sched_count.14
     34003 ±  9%     -13.4%      29456 ±  5%  sched_debug.cpu.sched_count.15
     62715 ±  6%      +9.5%      68642 ±  7%  sched_debug.cpu.sched_count.2
     14091 ± 19%     -20.4%      11212 ±  5%  sched_debug.cpu.sched_goidle.13
     14175 ±  3%     +15.4%      16354 ±  6%  sched_debug.cpu.sched_goidle.14
     13465 ±  9%     -12.5%      11782 ±  6%  sched_debug.cpu.sched_goidle.15
     24646 ±  3%      +9.4%      26968 ±  4%  sched_debug.cpu.sched_goidle.4
     15258 ±  6%     -22.8%      11773 ±  4%  sched_debug.cpu.ttwu_count.11
     15765 ±  5%     +48.1%      23355 ± 15%  sched_debug.cpu.ttwu_count.12
     16869 ±  3%     -26.1%      12461 ±  4%  sched_debug.cpu.ttwu_count.13
      3142 ±  5%     +13.0%       3551 ±  8%  sched_debug.cpu.ttwu_local.13

lkp-ne04: Nehalem-EP
Memory: 12G

                                    uptime.idle

  1600 ++-------------------------------------------------------------------+
       |      .*. *.                                                        |
  1500 *+**.**   *  **.*.**.*  *.**.**.*.**.*  *.**.*.**.**.*.**.**.*.*  **.*
  1400 ++                   : :              : :                       :+   |
       |                     ::              ::                        *    |
  1300 ++                    *                *                             |
       |                                                                    |
  1200 ++                                                                   |
       |                                                                    |
  1100 O+OO OO O  O OO O OO OO O O  OO O                                    |
  1000 ++                                                                   |
       |                                                                    |
   900 ++        O                O                                         |
       |                                                                    |
   800 ++-------------------------------------------------------------------+


                                   cpuidle.POLL.time

  2.2e+08 ++---------------O--O----O----------------------------------------+
          O     O O   O               O                                     |
    2e+08 ++O  O   O O      O  O O     O                                    |
          |  O          OO          O    O                                  |
          |                                                                 |
  1.8e+08 ++                                                                |
          |                                                                 |
  1.6e+08 ++                                                                |
          |                                                                 |
  1.4e+08 ++                                                                |
          |                                                                 |
          |                                                                 |
  1.2e+08 ++     .* .*   *.     .*.**.  .**.    *.**.   *.*   *. *.**.**.**.|
          *.**.**  *  *. : **. *      **    **.*     *.*   *.*  *           *
    1e+08 ++------------*-----*---------------------------------------------+


                                 cpuidle.C1-NHM.time

  8e+07 ++------------------------------------------------------------------+
        |                                                                   |
  7e+07 ++                     .*   *. .*      .*   *. *.    .*     *.*     |
        |  *. *.**.*.  .**.*. *  *.*  *  *. *.*  *.*  *  *. *  *. .*   *.**.*
  6e+07 *+*  *       **      *             *               *     *          |
        |                                                                   |
  5e+07 ++                                                                  |
        |                                                                   |
  4e+07 ++                                                                  |
        |                                                                   |
  3e+07 ++                                                                  |
        |          O O                                                      |
  2e+07 O+OO OO OO    O OO O OO OO OO O O                                   |
        |                                                                   |
  1e+07 ++------------------------------------------------------------------+


                                  cpuidle.C3-NHM.time

  4.4e+08 ++------------O---------------------------------------------------+
          | OO O   O             O  O O  O                                  |
  4.2e+08 O+    O    O   O  O  O       O                                    |
    4e+08 ++      O   O    O  O    O                                        |
          |                                                                 |
  3.8e+08 ++                                                                |
  3.6e+08 ++                                                                |
          |                                                                 |
  3.4e+08 ++                                                                |
  3.2e+08 ++                                                                |
          |             *                                                   |
    3e+08 ++           +:     **             *.*            .*              |
  2.8e+08 *+ *. *. *. *  :.* +  + .* .**.  .*   :.* .*.*   *  *.**.* .*    .*
          | *  *  *  *   *  *    *  *    **     *  *    *.*         *  *.** |
  2.6e+08 ++----------------------------------------------------------------+


                                  cpuidle.C6-NHM.time

    8e+08 ++----------*-----------------------------------------------------+
          |    * .* .* +  .*                                                |
          |.* + *  *    **  *. *.*. *. *.**.**.**. *. .**.**.**. *.**. *.*  |
  7.5e+08 *+ *                *    *  *           *  *          *     *   *.*
          |                                                                 |
          |                                                                 |
    7e+08 ++                                                                |
          |                                                                 |
  6.5e+08 ++                                                                |
          |                                                                 |
          O                                                                 |
    6e+08 ++ O    OO  O    O  O  O O  O                                     |
          | O  OO    O   O  O  O       O O                                  |
          |             O           O                                       |
  5.5e+08 ++----------------------------------------------------------------+


                                cpuidle.C6-NHM.usage

  440000 ++-----------------------------------------------------------------+
  420000 ++          *.   *. *.     .*. *           .* .*    .*.*       .*  |
         |.* .**.**. : *.*  *  **.**   * + *.**.*.**  *  :.**    :   .**  *.*
  400000 *+ *       *                     *              *       *.**       |
  380000 ++                                                                 |
         |                                                                  |
  360000 ++                                                                 |
  340000 ++                                                                 |
  320000 ++                                                                 |
         |                                                                  |
  300000 ++                                                                 |
  280000 ++                                                                 |
         | O        O       O  O       O                                    |
  260000 O+ O OO OO  O O OO  O  O OO O  O                                   |
  240000 ++-----------------------------------------------------------------+


                                 turbostat.Avg_MHz

  650 ++--------------------------------------------------------------------+
      |                                                                     |
  600 O+     OO    O    O  O    O                                           |
      | O  O    OO    O   O  OO   OO O                                      |
  550 ++ O           O                 O                                    |
      |                                                                     |
  500 ++                                                                    |
      |                                                                     |
  450 ++                                                                    |
      |                                                                     |
  400 ++                                                                    |
      |                       *.*.*   .**.    .**.*.  .**.      .* .**.   *.|
  350 *+**.*.**.**.*. *.*.* .*     *.*    **.*      **    *.**.*  *    *.*  *
      |              *     *                                                |
  300 ++--------------------------------------------------------------------+


                                 turbostat._Busy

  20 ++---------------------------------------------------------------------+
  19 O+     O          O  O    O                                            |
     |       O O OO   O  O  O O  O OO                                       |
  18 ++OO O         O                 O                                     |
  17 ++                                                                     |
     |                                                                      |
  16 ++                                                                     |
  15 ++                                                                     |
  14 ++                                                                     |
     |                                                                      |
  13 ++                                                                     |
  12 ++         .*           .**.*.* .*.**.   *.*.**. .**.* .*.**.*.**.*.**.|
     *.**.*.**.*  *. .**.* .*       *      *.*       *     *                *
  11 ++             *     *                                                 |
  10 ++---------------------------------------------------------------------+


                                turbostat.CPU_c1

  23 ++---------------------------------------------------------------------+
     |                   *    *               *.                            |
  22 ++               * +:   : *. .*  *.      : *. *   *             *.     |
     |  *.   *. .*   : *  :  :   *  :+  * .*.:    * + + *. *.*.* .*.*  *.**.*
  21 *+*  *.*  *  :  :    *.*       *    *   *       *    *     *           |
     |            *.*                                                       |
  20 ++                                                                     |
     |                                                                      |
  19 ++                                                                     |
     |                                                                      |
  18 ++     O    OO    O  O      O  O O                                     |
     | OO O         O O  O  O O    O                                        |
  17 O+      O O               O                                            |
     |                                                                      |
  16 ++---------------------------------------------------------------------+


                                turbostat.CPU_c3

  38 ++---------------------------------------------------------------------+
     |              O                                                       |
  36 ++OO O      O    O          O                                          |
  34 ++     O  O         O  O O    OO O                                     |
     O       O    O                                                         |
  32 ++                O  O    O                                            |
     |                                                                      |
  30 ++                                                                     |
     |                                                                      |
  28 ++             *                                                       |
  26 ++            : :    *.*              *.*             *               .*
     *. *. .* .*.  : : *. :  : *. .**.    +  :  *. *.*.    :+ .* .*. *.   * |
  24 ++*  *  *   **   *  *   : : *    *.**    :+  *    **.*  *  *   *  *.*  |
     |                        *               *                             |
  22 ++---------------------------------------------------------------------+


                                turbostat.CPU_c6

  44 ++---*-------*---------------------------------------------------------+
     |.* + + *.*.* + .**.        *. *. .**        * .*. *.*     *.    .*.*  |
  42 *+ *   *       *    **.*.* +  *  *   + .**. + *   *   :.*.*  *.**    *.|
  40 ++                        *           *    *          *                *
     |                                                                      |
  38 ++                                                                     |
  36 ++                                                                     |
     |                                                                      |
  34 ++                                                                     |
  32 ++                                                                     |
     O       O                 O                                            |
  30 ++        O  O    O OO O O    O                                        |
  28 ++OO O O         O          O  O O                                     |
     |           O  O                                                       |
  26 ++---------------------------------------------------------------------+


                                 vmstat.procs.b

  30 ++---------------------------------------------------------------------+
     |                                                                      |
     |         O                                                            |
  25 O+O    O     O    O OO O  O O  O O                                     |
     |  O O  O   O  O O       O    O                                        |
     |                                                                      |
  20 ++                                                                     |
     |                                                                      |
  15 ++                                                                     |
     |                                                                      |
     |                                                                      |
  10 ++*               *.*   .* .*       *.*. *. .*      .**.*.          *  |
     |+ :.*.    .*   .*   *.*  *  + *. .*    *  *  :.*. *      **. .**. + :.*
     *  *   **.*  :.*              *  *            *   *          *    *  * |
   5 ++-----------*---------------------------------------------------------+

	[*] 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: 3900 bytes --]

---
LKP_SERVER: inn
LKP_CGI_PORT: 80
LKP_CIFS_PORT: 139
testcase: fsmark
default-monitors:
  wait: activate-monitor
  kmsg: 
  uptime: 
  iostat: 
  heartbeat: 
  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: d57d611505d911c6f9f81cd9bd6dbd293d66dd9f
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: f2fs
fs2: 
fsmark:
  filesize: 9B
  test_size: 400M
  sync_method: fsyncBeforeClose
  nr_directories: 16d
  nr_files_per_directory: 256fpd
queue: bisect
testbox: lkp-ne04
tbox_group: lkp-ne04
kconfig: x86_64-rhel
enqueue_time: 2016-02-22 10:58:09.364797751 +08:00
compiler: gcc-4.9
rootfs: debian-x86_64-2015-02-07.cgz
id: 6d2662afc93143f862f189ea98b1c462b2ff6215
user: lkp
head_commit: cb0ddba856afd26f4aa32ca286e798fae835c5d4
base_commit: 81f70ba233d5f660e1ea5fe23260ee323af5d53a
branch: linux-devel/devel-hourly-2016022201
result_root: "/result/fsmark/performance-1x-32t-1HDD-f2fs-9B-400M-fsyncBeforeClose-16d-256fpd/lkp-ne04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/0"
job_file: "/lkp/scheduled/lkp-ne04/bisect_fsmark-performance-1x-32t-1HDD-f2fs-9B-400M-fsyncBeforeClose-16d-256fpd-debian-x86_64-2015-02-07.cgz-x86_64-rhel-d57d611505d911c6f9f81cd9bd6dbd293d66dd9f-20160222-22073-1mh810r-0.yaml"
nr_cpu: "$(nproc)"
max_uptime: 839.1400000000001
initrd: "/osimage/debian/debian-x86_64-2015-02-07.cgz"
bootloader_append:
- root=/dev/ram0
- user=lkp
- job=/lkp/scheduled/lkp-ne04/bisect_fsmark-performance-1x-32t-1HDD-f2fs-9B-400M-fsyncBeforeClose-16d-256fpd-debian-x86_64-2015-02-07.cgz-x86_64-rhel-d57d611505d911c6f9f81cd9bd6dbd293d66dd9f-20160222-22073-1mh810r-0.yaml
- ARCH=x86_64
- kconfig=x86_64-rhel
- branch=linux-devel/devel-hourly-2016022201
- commit=d57d611505d911c6f9f81cd9bd6dbd293d66dd9f
- BOOT_IMAGE=/pkg/linux/x86_64-rhel/gcc-4.9/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/vmlinuz-4.5.0-rc1-00192-gd57d611
- max_uptime=839
- RESULT_ROOT=/result/fsmark/performance-1x-32t-1HDD-f2fs-9B-400M-fsyncBeforeClose-16d-256fpd/lkp-ne04/debian-x86_64-2015-02-07.cgz/x86_64-rhel/gcc-4.9/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/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/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/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"
linux_headers_initrd: "/pkg/linux/x86_64-rhel/gcc-4.9/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/linux-headers.cgz"
repeat_to: 2
kernel: "/pkg/linux/x86_64-rhel/gcc-4.9/d57d611505d911c6f9f81cd9bd6dbd293d66dd9f/vmlinuz-4.5.0-rc1-00192-gd57d611"
dequeue_time: 2016-02-22 11:07:01.622256068 +08:00
job_state: finished
loadavg: 23.23 7.48 2.63 2/257 3180
start_time: '1456110470'
end_time: '1456110550'
version: "/lkp/lkp/.src-20160222-105838"

[-- Attachment #3: reproduce.sh --]
[-- Type: application/x-sh, Size: 2127 bytes --]

             reply	other threads:[~2016-02-23  8:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-23  8:26 kernel test robot [this message]
2016-02-23  8:55 ` [lkp] [kernel/fs] d57d611505: +54.7% turbostat.%Busy Stephane Gasparini

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