From: Tejun Heo <tj@kernel.org>
To: Glauber Costa <glommer@parallels.com>
Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Turner <pjt@google.com>
Subject: Re: [PATCH v5 00/11] per-cgroup cpu-stat
Date: Wed, 9 Jan 2013 06:41:48 -0800 [thread overview]
Message-ID: <20130109144148.GH3926@htj.dyndns.org> (raw)
In-Reply-To: <1357731938-8417-1-git-send-email-glommer@parallels.com>
Hello, Glauber.
On Wed, Jan 09, 2013 at 03:45:27PM +0400, Glauber Costa wrote:
> [ update: I thought I posted this already before leaving for holidays. However,
> now that I am checking for replies, I can't find nor replies nor the original
> mail in my boxes or archives. I am posting again for safety sake, but sorry
> you are getting this twice by any chance ]
I think I saw the series a while back.
> This is an attempt to provide userspace with enough information to reconstruct
> per-container version of files like "/proc/stat". In particular, we are
> interested in knowing the per-cgroup slices of user time, system time, wait
> time, number of processes, and a variety of statistics.
>
> This task is made more complicated by the fact that multiple controllers are
> involved in collecting those statistics: cpu and cpuacct. So the first thing I
> am doing here, is ressurecting Tejun's patches that aim at deprecating cpuacct.
>
> This is one of the major differences from earlier attempts: all data is provided
> by the cpu controller, resulting in greater simplicity.
>
> This also tries to hook into the existing scheduler hierarchy walks instead of
> providing new ones.
The cgroup part looks good to me.
Thanks.
--
tejun
next prev parent reply other threads:[~2013-01-09 14:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-09 11:45 Glauber Costa
2013-01-09 11:45 ` [PATCH v5 01/11] don't call cpuacct_charge in stop_task.c Glauber Costa
2013-01-09 11:45 ` [PATCH v5 02/11] cgroup: implement CFTYPE_NO_PREFIX Glauber Costa
2013-01-09 11:45 ` [PATCH v5 03/11] cgroup, sched: let cpu serve the same files as cpuacct Glauber Costa
2013-01-14 8:34 ` Sha Zhengju
2013-01-14 14:55 ` Glauber Costa
2013-01-15 10:19 ` Sha Zhengju
2013-01-15 17:52 ` Glauber Costa
2013-01-09 11:45 ` [PATCH v5 04/11] cgroup, sched: deprecate cpuacct Glauber Costa
2013-01-09 11:45 ` [PATCH v5 05/11] sched: adjust exec_clock to use it as cpu usage metric Glauber Costa
2013-01-09 11:45 ` [PATCH v5 06/11] cpuacct: don't actually do anything Glauber Costa
2013-01-09 11:45 ` [PATCH v5 07/11] account guest time per-cgroup as well Glauber Costa
2013-01-09 11:45 ` [PATCH v5 08/11] sched: Push put_prev_task() into pick_next_task() Glauber Costa
2013-01-09 11:45 ` [PATCH v5 09/11] record per-cgroup number of context switches Glauber Costa
2013-01-09 11:45 ` [PATCH v5 10/11] sched: change nr_context_switches calculation Glauber Costa
2013-01-09 11:45 ` [PATCH v5 11/11] sched: introduce cgroup file stat_percpu Glauber Costa
2013-01-09 20:42 ` Andrew Morton
2013-01-09 21:10 ` Glauber Costa
2013-01-09 21:17 ` Andrew Morton
2013-01-09 21:27 ` Glauber Costa
2013-01-23 14:26 ` Glauber Costa
2013-01-23 14:20 ` Glauber Costa
2013-01-09 14:41 ` Tejun Heo [this message]
2013-01-16 0:33 ` [PATCH v5 00/11] per-cgroup cpu-stat Colin Cross
2013-01-21 12:14 ` Glauber Costa
2013-01-23 1:02 ` Tejun Heo
2013-01-23 1:53 ` Colin Cross
2013-01-23 8:12 ` Glauber Costa
2013-01-23 16:56 ` Tejun Heo
2013-01-23 22:41 ` Colin Cross
2013-01-23 23:06 ` Tejun Heo
2013-01-23 23:53 ` Colin Cross
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