From: kernel test robot <fengguang.wu@intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>, lkp@linux.intel.com
Subject: [slub shrink] 0f6934bf16: +191.9% vmstat.system.cs
Date: Thu, 16 Jan 2014 11:07:44 +0800 [thread overview]
Message-ID: <20140116030744.GA19349@localhost> (raw)
Hi Dave,
We noticed increased context switches in the will-it-scale/read2
test case. Test box is a 4S IVB-EX server. The other change is
increased oltp.request_latency_max_ms in a NHM desktop.
commit 0f6934bf1695682e7ced973f67d57ab9e124c325
Author: Dave Hansen <dave.hansen@intel.com>
AuthorDate: Mon Jan 13 07:40:46 2014 -0800
for Fenguang to test
git tree branch is
https://github.com/hansendc/linux.git slub-reshrink-for-Fengguang-20140113
% compare -ab 0f6934bf1695682e7ced973f67d57ab9e124c325~ 0f6934bf1695682e7ced973f67d57ab9e124c325
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
15.26 ~ 3% +19.7% 18.26 ~ 4% nhm-white/sysbench/oltp/600s-100%-1000000
15.26 +19.7% 18.26 TOTAL oltp.request_latency_max_ms
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
8235933 ~ 2% +80.6% 14872911 ~ 3% lkp-sbx04/micro/will-it-scale/read2
8235933 +80.6% 14872911 TOTAL interrupts.RES
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
161531 ~ 7% +191.9% 471544 ~ 9% lkp-sbx04/micro/will-it-scale/read2
161531 +191.9% 471544 TOTAL vmstat.system.cs
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
--------------- -------------------------
32943 ~ 1% +71.8% 56599 ~ 3% lkp-sbx04/micro/will-it-scale/read2
32943 +71.8% 56599 TOTAL vmstat.system.in
vmstat.system.cs
600000 ++---------O------------------------------------------------------+
550000 ++ O |
| O O O O O O O |
500000 O+ O O |
450000 ++ O O O O O |
400000 ++ O O |
350000 ++ |
| |
300000 ++ |
250000 ++ |
200000 ++ .* .*.. |
150000 *+. .*. : *..*..*..*..*..*.. .*. .*.. .*..*..*.*.. .*..*
| *. : .. * *. *. *. |
100000 ++ * |
50000 ++----------------------------------------------------------------+
Thanks,
Fengguang
next reply other threads:[~2014-01-16 3:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-16 3:07 kernel test robot [this message]
2014-01-16 19:12 ` [slub shrink] 0f6934bf16: +191.9% vmstat.system.cs Dave Hansen
2014-01-17 0:26 ` Fengguang Wu
2014-01-17 13:00 ` Fengguang Wu
2014-01-29 8:26 ` Fengguang Wu
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