[vfs] 662aa027bda: -7.2% will-it-scale.scalability

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From: Jet Chen <jet.chen@intel.com>
To: lkp@lists.01.org
Subject: [vfs] 662aa027bda: -7.2% will-it-scale.scalability
Date: Tue, 27 May 2014 23:58:44 +0800	[thread overview]
Message-ID: <5384B634.7080902@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2319 bytes --]

Hi Miklos,

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs.v22
commit 662aa027bdaa082aa3dd21886830c97a1dd4c184 ("vfs: add RENAME_WHITEOUT")

test case: lkp-wsx01/will-it-scale/lseek2

9f498c77b4332b4  662aa027bdaa082aa3dd21886
---------------  -------------------------
      0.63 ~ 0%      -7.2%       0.58 ~ 0%  TOTAL will-it-scale.scalability
  12861563 ~ 0%      -1.1%   12715565 ~ 0%  TOTAL will-it-scale.per_process_ops
       958 ~11%     -16.9%        796 ~18%  TOTAL numa-meminfo.node3.PageTables
      3013 ~11%     +20.9%       3643 ~ 4%  TOTAL numa-vmstat.node2.nr_slab_reclaimable
     12055 ~11%     +20.9%      14574 ~ 4%  TOTAL numa-meminfo.node2.SReclaimable
      1734 ~ 5%     -10.6%       1550 ~ 4%  TOTAL slabinfo.sock_inode_cache.active_objs
      1734 ~ 5%     -10.6%       1550 ~ 4%  TOTAL slabinfo.sock_inode_cache.num_objs

Legend:
	~XX%    - stddev percent
	[+-]XX% - change percent


                             will-it-scale.scalability

  0.63 ++----*---------*--------------*---*--------------*--*--*------------+
       | .*.    *...*.    *..*..*..  +     :         .*.           *..*     |
  0.62 *+                           +       :   *..*.                       |
       |                           *        : ..                            |
       |                                     *                              |
  0.61 ++                                                                   |
       |                                                                    |
   0.6 ++                                                                   |
       |                                                                    |
  0.59 ++                                                                   |
       |                           O      O                 O               |
       |            O     O  O  O     O      O  O  O  O  O     O   O     O  O
  0.58 O+    O  O      O                                              O     |
       |  O                                                                 |
  0.57 ++-------------------------------------------------------------------+


	[*] bisect-good sample
	[O] bisect-bad  sample


Thanks,
Jet



[-- Attachment #2: reproduce.ksh --]
[-- Type: text/plain, Size: 5955 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/cpu16/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu79/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
./runtest.py lseek2 16 1 10 20 30 40 60 80

WARNING: multiple messages have this Message-ID (diff)

From: Jet Chen <jet.chen@intel.com>
To: Miklos Szeredi <mszeredi@suse.cz>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	lkp@01.org
Subject: [vfs] 662aa027bda: -7.2% will-it-scale.scalability
Date: Tue, 27 May 2014 23:58:44 +0800	[thread overview]
Message-ID: <5384B634.7080902@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 2268 bytes --]

Hi Miklos,

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs.v22
commit 662aa027bdaa082aa3dd21886830c97a1dd4c184 ("vfs: add RENAME_WHITEOUT")

test case: lkp-wsx01/will-it-scale/lseek2

9f498c77b4332b4  662aa027bdaa082aa3dd21886
---------------  -------------------------
      0.63 ~ 0%      -7.2%       0.58 ~ 0%  TOTAL will-it-scale.scalability
  12861563 ~ 0%      -1.1%   12715565 ~ 0%  TOTAL will-it-scale.per_process_ops
       958 ~11%     -16.9%        796 ~18%  TOTAL numa-meminfo.node3.PageTables
      3013 ~11%     +20.9%       3643 ~ 4%  TOTAL numa-vmstat.node2.nr_slab_reclaimable
     12055 ~11%     +20.9%      14574 ~ 4%  TOTAL numa-meminfo.node2.SReclaimable
      1734 ~ 5%     -10.6%       1550 ~ 4%  TOTAL slabinfo.sock_inode_cache.active_objs
      1734 ~ 5%     -10.6%       1550 ~ 4%  TOTAL slabinfo.sock_inode_cache.num_objs

Legend:
	~XX%    - stddev percent
	[+-]XX% - change percent


                             will-it-scale.scalability

  0.63 ++----*---------*--------------*---*--------------*--*--*------------+
       | .*.    *...*.    *..*..*..  +     :         .*.           *..*     |
  0.62 *+                           +       :   *..*.                       |
       |                           *        : ..                            |
       |                                     *                              |
  0.61 ++                                                                   |
       |                                                                    |
   0.6 ++                                                                   |
       |                                                                    |
  0.59 ++                                                                   |
       |                           O      O                 O               |
       |            O     O  O  O     O      O  O  O  O  O     O   O     O  O
  0.58 O+    O  O      O                                              O     |
       |  O                                                                 |
  0.57 ++-------------------------------------------------------------------+


	[*] bisect-good sample
	[O] bisect-bad  sample


Thanks,
Jet



[-- Attachment #2: reproduce --]
[-- Type: text/plain, Size: 5955 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/cpu16/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu17/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu18/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu19/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu20/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu21/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu22/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu23/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu24/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu25/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu26/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu27/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu28/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu29/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu30/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu31/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu32/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu33/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu34/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu35/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu36/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu37/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu38/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu39/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu40/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu41/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu42/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu43/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu44/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu45/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu46/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu47/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu48/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu49/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu5/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu50/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu51/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu52/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu53/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu54/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu55/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu56/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu57/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu58/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu59/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu6/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu60/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu61/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu62/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu63/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu64/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu65/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu66/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu67/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu68/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu69/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu70/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu71/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu72/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu73/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu74/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu75/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu76/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu77/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu78/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu79/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu8/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu9/cpufreq/scaling_governor
./runtest.py lseek2 16 1 10 20 30 40 60 80

next             reply	other threads:[~2014-05-27 15:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-27 15:58 Jet Chen [this message]
2014-05-27 15:58 ` [vfs] 662aa027bda: -7.2% will-it-scale.scalability Jet Chen
2014-05-27 16:25 ` Miklos Szeredi
2014-05-27 16:25   ` Miklos Szeredi
2014-05-27 18:19 ` Dave Hansen
2014-05-27 18:19   ` Dave Hansen

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