From: Fengguang Wu <fengguang.wu@intel.com>
To: Davidlohr Bueso <davidlohr@hp.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
lkp@01.org
Subject: [mm] e04ddfd12aa: +9.4% ebizzy.throughput
Date: Fri, 4 Apr 2014 21:59:08 +0800 [thread overview]
Message-ID: <20140404135908.GB22386@localhost> (raw)
Hi Davidlohr,
FYI, there are noticeable ebizzy throughput increases on commit
e04ddfd12aa03471eff7daf3bc2435c7cea8e21f ("mm: per-thread vma caching")
test case: lkp-st02/micro/ebizzy/200%-100-10
700141f349f2b05 e04ddfd12aa03471eff7daf3b
--------------- -------------------------
23726 ~ 0% +9.4% 25955 ~ 0% TOTAL ebizzy.throughput
1525 ~ 0% +9.3% 1667 ~ 0% TOTAL ebizzy.throughput.per_thread.max
1428 ~ 0% +9.1% 1558 ~ 0% TOTAL ebizzy.throughput.per_thread.min
14.42 ~ 0% +8.1% 15.59 ~ 0% TOTAL ebizzy.time.user
65.29 ~ 0% -1.8% 64.12 ~ 0% TOTAL ebizzy.time.sys
4290 ~17% -28.4% 3073 ~22% TOTAL slabinfo.buffer_head.active_objs
4313 ~17% -28.8% 3073 ~22% TOTAL slabinfo.buffer_head.num_objs
165372 ~ 0% +9.2% 180527 ~ 0% TOTAL vmstat.system.in
1443 ~ 0% +8.1% 1560 ~ 0% TOTAL time.user_time
6529 ~ 0% -1.8% 6413 ~ 0% TOTAL time.system_time
Legend:
~XX% - stddev percent
[+-]XX% - change percent
ebizzy.throughput
26500 ++O-----------O---O------------------------------------------------+
O O O O O O O O O O O |
26000 ++ O O O O O |
| O O O |
| |
25500 ++ |
| |
25000 ++ |
| |
24500 ++ |
| |
*.*.*. .*. .*.*.*. .*.*. *.*.*.*. |
24000 ++ *.* * *.* *.*.*.* *.*.*.*.*.*. |
| *.*.*.*.*.*.*
23500 ++-----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
Thanks,
Fengguang
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2014-04-05 0:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-04 13:59 Fengguang Wu [this message]
2014-04-05 1:06 ` Davidlohr Bueso
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140404135908.GB22386@localhost \
--to=fengguang.wu@intel.com \
--cc=davidlohr@hp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lkp@01.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox