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Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory reclaim delay
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From: KAMEZAWA Hiroyuki
Subject:
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory reclaim delay
Date: Thursday, June 5, 2008 - 8:01 pm
On Thu, 5 Jun 2008 16:27:59 -0700 Keika Kobayashi <kobayashi.kk@ncos.nec.co.jp> wrote:
quoted text
> Hi. > > This is v2 of accounting memory reclaim patch series. > Thanks to Kosaki-san, Kamezawa-san, Andrew for comments and advice! > These patches were fixed about the following. > > Against: next-20080605 > > 1) Change Log > > o Add accounting memory reclaim delay from memcgroup. > For accounting both global and cgroup memory reclaim, > accounting point was moved from try_to_free_pages() to do_try_to_free_pages. > > o Drop the patch regarding /proc export for memory reclaim delay. > Because it seems that two separate ways to report are not necessary, > this patch series supports only NETLINK and doesn't add a field to /proc/<pid>/stat. > >
Thanks, I like this set. Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
quoted text
> 2) Confirm the fix regarding memcgroup. > > o Previous patch can't catch memory reclaim delay from memcgroup. > > $ echo 10M > /cgroups/0/memory.limit_in_bytes > > $ ls -s test.dat > 500496 test.dat > > $ time tar cvf test.tar test.dat > real 0m21.957s > user 0m0.032s > sys 0m2.348s > > $ ./delayget -d -p <pid> > CPU count real total virtual total delay total > 2441 2288143000 2438256954 22371958 > IO count delay total > 2444 18745251314 > SWAP count delay total > 0 0 > RECLAIM count delay total > 0 0 > > o Current patch can catch memory reclaim delay from memcgroup. > > $ echo 10M > /cgroups/0/memory.limit_in_bytes > > $ ls -s test.dat > 500496 test.dat > > $ time tar cvf test.tar test.dat > real 0m22.563s > user 0m0.028s > sys 0m2.440s > > $ ./delayget -d -p <pid> > CPU count real total virtual total delay total > 2640 2456153500 2478353004 28366219 > IO count delay total > 2628 19894214188 > SWAP count delay total > 0 0 > RECLAIM count delay total > 6600 10682486085 >
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Messages in current thread:
[PATCH 0/3 v2] per-task-delay-accounting: add memory recla ...
, Keika Kobayashi
, (Thu Jun 5, 4:27 pm)
[PATCH 1/3 v2] per-task-delay-accounting: add memory recla ...
, Keika Kobayashi
, (Thu Jun 5, 4:31 pm)
[PATCH 2/3 v2] per-task-delay-accounting: update taskstats ...
, Keika Kobayashi
, (Thu Jun 5, 4:32 pm)
[PATCH 3/3 v2] per-task-delay-accounting: update document ...
, Keika Kobayashi
, (Thu Jun 5, 4:33 pm)
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory r ...
, Balbir Singh
, (Thu Jun 5, 7:18 pm)
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory r ...
, KAMEZAWA Hiroyuki
, (Thu Jun 5, 8:01 pm)
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory r ...
, KAMEZAWA Hiroyuki
, (Thu Jun 5, 8:14 pm)
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory r ...
, Keika Kobayashi
, (Thu Jun 5, 8:21 pm)
Re: [PATCH 0/3 v2] per-task-delay-accounting: add memory r ...
, Balbir Singh
, (Thu Jun 5, 8:41 pm)
Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory r ...
, Balbir Singh
, (Thu Jun 5, 8:50 pm)
Re: [PATCH 2/3 v2] per-task-delay-accounting: update tasks ...
, Balbir Singh
, (Thu Jun 5, 9:13 pm)
Re: [PATCH 3/3 v2] per-task-delay-accounting: update docum ...
, Balbir Singh
, (Thu Jun 5, 9:14 pm)
Re: [PATCH 2/3 v2] per-task-delay-accounting: update tasks ...
, Hiroshi Shimamoto
, (Fri Jun 6, 2:58 pm)
Re: [PATCH 2/3 v2] per-task-delay-accounting: update tasks ...
, Keika Kobayashi
, (Fri Jun 6, 5:24 pm)
Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory r ...
, KOSAKI Motohiro
, (Fri Jun 6, 9:40 pm)
Re: [PATCH 2/3 v2] per-task-delay-accounting: update tasks ...
, KOSAKI Motohiro
, (Fri Jun 6, 9:44 pm)
Re: [PATCH 3/3 v2] per-task-delay-accounting: update docum ...
, KOSAKI Motohiro
, (Fri Jun 6, 9:46 pm)
Re: [PATCH 2/3 v2] per-task-delay-accounting: update tasks ...
, Keika Kobayashi
, (Mon Jun 9, 9:27 am)
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