From: Chandra Seetharaman <sekharan@us.ibm.com>
To: Con Kolivas <kernel@kolivas.org>
Cc: Andrew Morton <akpm@osdl.org>,
dev@openvz.org, Jens Axboe <axboe@suse.de>,
Srivatsa <vatsa@in.ibm.com>,
ckrm-tech@lists.sourceforge.net, balbir@in.ibm.com,
Balbir Singh <bsingharora@gmail.com>,
Mike Galbraith <efault@gmx.de>, Sam Vilain <sam@vilain.net>,
Peter Williams <pwil3058@bigpond.net.au>,
Kingsley Cheung <kingsley@aurema.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Ingo Molnar <mingo@elte.hu>,
Rene Herman <rene.herman@keyaccess.nl>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [ckrm-tech] sched: Add CPU rate hard caps
Date: Thu, 01 Jun 2006 19:03:14 -0700 [thread overview]
Message-ID: <1149213794.10377.8.camel@linuxchandra> (raw)
In-Reply-To: <200606021036.17021.kernel@kolivas.org>
On Fri, 2006-06-02 at 10:36 +1000, Con Kolivas wrote:
> On Friday 02 June 2006 04:43, Chandra Seetharaman wrote:
> > On Thu, 2006-06-01 at 14:04 +0530, Balbir Singh wrote:
> > > > - disk I/O bandwidth:
> > > > we started to use CFQv2, but it is quite poor in this regard. First, it
> > > > doesn't prioritizes writes and async disk operations :( And even for
> > > > sync reads we found some problems we work on now...
> >
> > CKRM (on e-series) had an implementation based on a modified CFQ
> > scheduler. Shailabh is currently working on porting that controller to
> > f-series.
>
> I hope that the changes you have to improve CFQ were done in a way that is
> suitable for mainline and you're planning to try and merge them there.
That is our #1 object :)
>
--
----------------------------------------------------------------------
Chandra Seetharaman | Be careful what you choose....
- sekharan@us.ibm.com | .......you may get it.
----------------------------------------------------------------------
next prev parent reply other threads:[~2006-06-02 2:03 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-26 4:20 [RFC 0/5] sched: Add CPU rate caps Peter Williams
2006-05-26 4:20 ` [RFC 1/5] sched: Fix priority inheritence before CPU rate soft caps Peter Williams
2006-05-26 4:20 ` [RFC 2/5] sched: Add " Peter Williams
2006-05-26 10:48 ` Con Kolivas
2006-05-26 11:15 ` Mike Galbraith
2006-05-26 11:17 ` Con Kolivas
2006-05-26 11:30 ` Mike Galbraith
2006-05-26 13:55 ` Peter Williams
2006-05-27 6:31 ` Balbir Singh
2006-05-27 7:03 ` Peter Williams
2006-05-28 0:11 ` Peter Williams
2006-05-28 7:38 ` Balbir Singh
2006-05-28 13:35 ` Peter Williams
2006-05-28 14:42 ` Balbir Singh
2006-05-28 23:27 ` Peter Williams
2006-05-31 13:17 ` Kirill Korotaev
2006-05-31 23:39 ` Peter Williams
2006-06-01 8:09 ` Kirill Korotaev
2006-06-01 23:38 ` Peter Williams
2006-06-02 1:35 ` Peter Williams
2006-05-26 4:20 ` [RFC 3/5] sched: Add CPU rate hard caps Peter Williams
2006-05-26 6:58 ` Kari Hurtta
2006-05-27 1:00 ` Peter Williams
2006-05-26 11:00 ` Con Kolivas
2006-05-26 13:59 ` Peter Williams
2006-05-26 14:12 ` Con Kolivas
2006-05-26 14:23 ` Mike Galbraith
2006-05-27 0:16 ` Peter Williams
2006-05-27 9:28 ` Mike Galbraith
2006-05-28 2:09 ` Peter Williams
2006-05-27 6:48 ` Balbir Singh
2006-05-27 8:44 ` Peter Williams
2006-05-31 13:10 ` Kirill Korotaev
2006-05-31 15:59 ` Balbir Singh
2006-05-31 18:09 ` Mike Galbraith
2006-06-01 7:41 ` Kirill Korotaev
2006-06-01 8:34 ` Balbir Singh
2006-06-01 18:43 ` [ckrm-tech] " Chandra Seetharaman
2006-06-01 23:26 ` Peter Williams
2006-06-02 2:02 ` Chandra Seetharaman
2006-06-02 3:21 ` Peter Williams
2006-06-02 8:32 ` Balbir Singh
2006-06-02 13:30 ` Peter Williams
2006-06-02 18:58 ` Balbir Singh
2006-06-02 23:49 ` Peter Williams
2006-06-03 4:59 ` Balbir Singh
2006-06-02 19:06 ` Chandra Seetharaman
2006-06-03 0:04 ` Peter Williams
2006-06-02 0:36 ` Con Kolivas
2006-06-02 2:03 ` Chandra Seetharaman [this message]
2006-06-02 5:55 ` [ckrm-tech] [RFC 3/5] " Peter Williams
2006-06-02 7:47 ` Kirill Korotaev
2006-06-02 13:34 ` Peter Williams
2006-06-05 22:11 ` Sam Vilain
2006-06-06 8:24 ` Kirill Korotaev
2006-06-06 9:13 ` Con Kolivas
2006-06-06 9:28 ` Kirill Korotaev
2006-06-02 8:46 ` Mike Galbraith
2006-06-02 13:18 ` Peter Williams
2006-06-02 14:47 ` Mike Galbraith
2006-06-03 0:08 ` Peter Williams
2006-06-03 6:02 ` Mike Galbraith
2006-06-03 11:03 ` Peter Williams
2006-06-06 11:26 ` Srivatsa Vaddagiri
2006-06-02 7:34 ` Kirill Korotaev
2006-06-02 21:23 ` Shailabh Nagar
2006-06-01 23:47 ` Sam Vilain
2006-06-01 23:43 ` Peter Williams
2006-05-31 23:28 ` Peter Williams
2006-06-01 7:44 ` Kirill Korotaev
2006-06-01 23:21 ` Peter Williams
2006-05-26 4:21 ` [RFC 4/5] sched: Add procfs interface for CPU rate soft caps Peter Williams
2006-05-26 4:21 ` [RFC 5/5] sched: Add procfs interface for CPU rate hard caps Peter Williams
2006-05-26 8:04 ` [RFC 0/5] sched: Add CPU rate caps Mike Galbraith
2006-05-26 16:11 ` Björn Steinbrink
2006-05-28 22:46 ` Sam Vilain
2006-05-28 23:30 ` Peter Williams
2006-05-29 3:09 ` Sam Vilain
2006-05-29 3:41 ` Peter Williams
2006-05-29 21:16 ` Sam Vilain
2006-05-29 23:12 ` Peter Williams
2006-05-30 2:07 ` Sam Vilain
2006-05-30 2:45 ` Peter Williams
2006-05-30 22:05 ` Sam Vilain
2006-05-30 23:22 ` Peter Williams
2006-05-30 23:25 ` Peter Williams
2006-06-05 23:56 ` Peter Williams
2006-05-27 0:16 ` Peter Williams
2006-05-26 10:41 ` Con Kolivas
2006-05-27 1:28 ` Peter Williams
2006-05-27 1:42 ` Con Kolivas
2006-05-26 11:09 ` Con Kolivas
2006-05-26 14:00 ` Peter Williams
2006-05-26 11:29 ` Balbir Singh
2006-05-27 1:40 ` Peter Williams
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