From: Li Zefan <lizf@cn.fujitsu.com>
To: Paul Turner <pjt@google.com>
Cc: Glauber Costa <glommer@parallels.com>,
linux-kernel@vger.kernel.org, paul@paulmenage.org,
daniel.lezcano@free.fr, a.p.zijlstra@chello.nl,
jbottomley@parallels.com, fweisbec@gmail.com,
Balbir Singh <bsingharora@gmail.com>
Subject: Re: [PATCH v2 14/14] Change CPUACCT to default n
Date: Fri, 25 Nov 2011 10:05:17 +0800 [thread overview]
Message-ID: <4ECEF7DD.6010403@cn.fujitsu.com> (raw)
In-Reply-To: <CAPM31RLUDpaxDAw00erwgmNogbuD+=LgkJ-5i9ncJw00nvryfQ@mail.gmail.com>
> despite it being a not entirely natural fit. Something I proposed at
> Prague and that we could explore here is the idea of a co-mounted
> controller. In this example it would only be mountable with cpu so
> you could always depend on the cpu hierarchy being there; likewise we
> can put (jump-labeled) touchpoints within the cpu-subsystem to call
> out for updates as appropriate when the co-mount exists.
>
IIUC, this co-mounting idea is something I implemented years ago:
https://lkml.org/lkml/2008/6/18/389
The use case and the reason it was rejected:
https://lkml.org/lkml/2008/7/1/97
--
Li Zefan
next prev parent reply other threads:[~2011-11-25 2:03 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-01 21:19 [PATCH v2 00/14] per-cgroup /proc/stat Glauber Costa
2011-11-01 21:19 ` [PATCH v2 01/14] trivial: initialize root cgroup's sibling list Glauber Costa
2011-11-11 21:34 ` Paul Turner
2011-11-14 19:44 ` Glauber Costa
2011-11-14 21:44 ` Peter Zijlstra
2011-11-18 23:42 ` [tip:sched/core] sched, trivial: Initialize " tip-bot for Glauber Costa
2011-11-01 21:19 ` [PATCH v2 02/14] Change cpustat fields to an array Glauber Costa
2011-11-01 21:19 ` [PATCH v2 03/14] Move /proc/stat logic inside sched.c Glauber Costa
2011-11-12 1:35 ` Paul Turner
2011-11-12 10:27 ` Glauber Costa
2011-11-01 21:19 ` [PATCH v2 04/14] split kernel stat in two Glauber Costa
2011-11-01 21:19 ` [PATCH v2 05/14] Display /proc/stat information per cgroup Glauber Costa
2011-11-01 21:19 ` [PATCH v2 06/14] Make total_forks per-cgroup Glauber Costa
2011-11-01 21:19 ` [PATCH v2 07/14] per-cgroup boot time Glauber Costa
2011-11-01 21:19 ` [PATCH v2 08/14] Report steal time for cgroup Glauber Costa
2011-11-01 21:19 ` [PATCH v2 09/14] Keep nr_iowait per cgroup Glauber Costa
2011-11-10 10:27 ` Andrew Wagin
2011-11-01 21:19 ` [PATCH v2 10/14] Keep number of context switches per-cgroup Glauber Costa
2011-11-01 21:19 ` [PATCH v2 11/14] provide a version of cpuacct statistics inside cpu cgroup Glauber Costa
2011-11-01 21:19 ` [PATCH v2 12/14] Keep number of running processes per-cgroup Glauber Costa
2011-11-14 14:42 ` Andrew Wagin
2011-11-01 21:19 ` [PATCH v2 13/14] provide a version of cpuusage statistics inside cpu cgroup Glauber Costa
2011-11-09 11:51 ` Andrew Wagin
2011-11-09 11:58 ` Glauber Costa
2011-11-09 14:18 ` Andrew Wagin
2011-11-09 15:30 ` Peter Zijlstra
2011-11-09 16:51 ` Glauber Costa
2011-11-10 8:59 ` Andrew Wagin
2011-11-01 21:19 ` [PATCH v2 14/14] Change CPUACCT to default n Glauber Costa
2011-11-11 21:33 ` Paul Turner
2011-11-12 10:29 ` Glauber Costa
2011-11-15 11:02 ` Paul Turner
2011-11-16 10:21 ` Balbir Singh
2011-11-16 23:52 ` KAMEZAWA Hiroyuki
2011-11-17 2:49 ` Glauber Costa
2011-11-17 2:58 ` Balbir Singh
2011-11-17 15:58 ` Glauber Costa
2011-11-21 1:59 ` KAMEZAWA Hiroyuki
2011-11-24 13:24 ` Peter Zijlstra
2011-11-24 16:07 ` Glauber Costa
2011-11-24 16:29 ` Peter Zijlstra
2011-11-24 16:38 ` Glauber Costa
2011-11-24 16:58 ` Peter Zijlstra
2011-11-25 5:38 ` Balbir Singh
2011-11-25 10:19 ` Peter Zijlstra
2011-11-26 13:18 ` Paul Turner
2011-11-28 8:29 ` Balbir Singh
2011-11-25 2:05 ` Li Zefan [this message]
2011-11-25 10:09 ` Peter Zijlstra
2011-11-26 13:07 ` Paul Turner
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=4ECEF7DD.6010403@cn.fujitsu.com \
--to=lizf@cn.fujitsu.com \
--cc=a.p.zijlstra@chello.nl \
--cc=bsingharora@gmail.com \
--cc=daniel.lezcano@free.fr \
--cc=fweisbec@gmail.com \
--cc=glommer@parallels.com \
--cc=jbottomley@parallels.com \
--cc=linux-kernel@vger.kernel.org \
--cc=paul@paulmenage.org \
--cc=pjt@google.com \
/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