linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Li Zefan <lizf@cn.fujitsu.com>,
	containers@lists.linux-foundation.org, cgroups@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Kay Sievers <kay.sievers@vrfy.org>,
	Lennart Poettering <lennart@poettering.net>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	linux-kernel@vger.kernel.org,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [RFD] cgroup: about multiple hierarchies
Date: Thu, 23 Feb 2012 14:34:57 -0800	[thread overview]
Message-ID: <20120223223457.GJ22536@google.com> (raw)
In-Reply-To: <20120223213847.GK19691@redhat.com>

On Thu, Feb 23, 2012 at 04:38:47PM -0500, Vivek Goyal wrote:
> On Thu, Feb 23, 2012 at 10:41:34AM +0100, Peter Zijlstra wrote:
> > On Wed, 2012-02-22 at 11:57 -0500, Vivek Goyal wrote:
> > > 
> > > Again, it does not mean I am advocating flat hiearchy. I am just wondering
> > > in case of fully nested hierarchies (task at same level as groups), how
> > > does one explain it to a layman user who understands things in terms of
> > > % of resources. 
> > 
> > If your complete control is % based then I would assume its a % of a %.
> > Simple enough.
> 
> But % of % will vary dynamically and not be static. So if root has got
> 100% of resources and we want 25% of that for a group, then hierarchy
> might look as follows.

It is complex but semantics is pretty well defined.  It should behave
exactly the same as HTB.  Whether the complexity would be justifiable
is a different issue.

Thanks.

-- 
tejun

  reply	other threads:[~2012-02-23 22:35 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-21 21:19 [RFD] cgroup: about multiple hierarchies Tejun Heo
2012-02-21 21:21 ` Tejun Heo
2012-02-22 13:34   ` Glauber Costa
2012-02-23  7:45     ` Serge E. Hallyn
2012-02-23 17:29       ` Tejun Heo
2012-02-23 18:47         ` Serge Hallyn
2012-02-26  4:59   ` Konstantin Khlebnikov
2012-02-22 13:30 ` Peter Zijlstra
2012-02-22 13:37   ` Glauber Costa
2012-02-22 18:01   ` Tejun Heo
2012-02-23  7:39   ` Li Zefan
2012-02-22 15:45 ` Frederic Weisbecker
2012-02-22 18:22   ` Tejun Heo
2012-02-27 17:46     ` Frederic Weisbecker
2012-02-22 16:38 ` Vivek Goyal
2012-02-22 16:57   ` Vivek Goyal
2012-02-22 18:43     ` Tejun Heo
2012-02-23  9:41     ` Peter Zijlstra
2012-02-23 14:13       ` Peter Zijlstra
2012-03-01 17:19         ` Michal Schmidt
2012-03-01 18:03           ` Peter Zijlstra
2012-03-02 11:08             ` Michal Schmidt
2012-03-02 11:23               ` Peter Zijlstra
2012-03-02 11:28                 ` Michal Schmidt
2012-03-02 11:34                   ` Peter Zijlstra
2012-03-01 20:26           ` Mike Galbraith
2012-03-01 21:02             ` Vivek Goyal
2012-03-01 22:04               ` Mike Galbraith
2012-03-01 22:38                 ` C Anthony Risinger
2012-03-02 10:51                 ` Michal Schmidt
2012-03-02 11:52                   ` Mike Galbraith
2012-03-05 12:43                 ` Lennart Poettering
2012-03-05 15:47                   ` Mike Galbraith
2012-03-05 19:58                     ` Mike Galbraith
2012-03-02  2:43             ` Kay Sievers
2012-03-02 10:15               ` Peter Zijlstra
2012-03-02 11:16             ` Michal Schmidt
2012-03-02 11:24               ` Peter Zijlstra
2012-02-23 21:38       ` Vivek Goyal
2012-02-23 22:34         ` Tejun Heo [this message]
2012-02-28 21:16           ` Vivek Goyal
2012-02-28 21:21             ` Peter Zijlstra
2012-02-28 21:35               ` Vivek Goyal
2012-02-28 21:43                 ` Peter Zijlstra
2012-02-28 21:54                   ` Vivek Goyal
2012-02-28 22:00                     ` Peter Zijlstra
2012-02-28 22:31                       ` Vivek Goyal
2012-02-28 21:53                 ` Peter Zijlstra
2012-02-28 22:09                   ` Vivek Goyal
2012-02-24 11:33         ` Peter Zijlstra
2012-02-22 18:33   ` Tejun Heo
2012-02-23 19:41     ` Vivek Goyal
2012-02-23 22:38       ` Tejun Heo
2012-02-23  7:59   ` Li Zefan
2012-02-23 20:32     ` Vivek Goyal
2012-02-23  8:22 ` Li Zefan
2012-02-23 17:33   ` Tejun Heo
     [not found] ` <m162em2efy.fsf@fess.ebiederm.org>
2012-03-03 14:26   ` Serge Hallyn
2012-03-05 11:37 ` Lennart Poettering
2012-03-12 22:10 ` Tejun Heo
2012-03-12 22:22   ` Peter Zijlstra
2012-03-12 22:28     ` Tejun Heo
2012-03-12 22:31       ` Lennart Poettering
2012-03-12 23:00         ` Tejun Heo
2012-03-12 23:02           ` Peter Zijlstra
2012-03-12 23:09             ` Tejun Heo
2012-03-12 23:43             ` Lennart Poettering
2012-03-12 22:32       ` Peter Zijlstra
2012-03-12 22:39         ` Tejun Heo
2012-03-12 22:44           ` Peter Zijlstra
2012-03-12 23:04             ` Tejun Heo
2012-03-13 14:10               ` Vivek Goyal
2012-03-13 16:11                 ` C Anthony Risinger
2012-03-13 16:30                   ` C Anthony Risinger
2012-03-13 17:25                 ` Peter Zijlstra
2012-03-13 17:31                   ` Peter Zijlstra
2012-03-13 10:11             ` Glauber Costa
2012-03-13 14:03       ` Vivek Goyal
2012-03-13 15:59         ` Tejun Heo
2012-03-16 23:14           ` James Bottomley
2012-03-12 22:37   ` Serge Hallyn
2012-03-12 22:55     ` Tejun Heo
2012-03-13 13:49   ` Vivek Goyal
2012-03-13 16:02     ` Tejun Heo

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=20120223223457.GJ22536@google.com \
    --to=tj@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=cgroups@vger.kernel.org \
    --cc=containers@lists.linux-foundation.org \
    --cc=fweisbec@gmail.com \
    --cc=hch@infradead.org \
    --cc=kay.sievers@vrfy.org \
    --cc=lennart@poettering.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lizf@cn.fujitsu.com \
    --cc=peterz@infradead.org \
    --cc=vgoyal@redhat.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;
as well as URLs for NNTP newsgroup(s).