From: Con Kolivas <kernel@kolivas.org>
To: Peter Williams <pwil3058@bigpond.net.au>
Cc: Mike Galbraith <efault@gmx.de>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Kingsley Cheung <kingsley@aurema.com>,
Ingo Molnar <mingo@elte.hu>,
Rene Herman <rene.herman@keyaccess.nl>
Subject: Re: [RFC 0/5] sched: Add CPU rate caps
Date: Fri, 26 May 2006 20:41:07 +1000 [thread overview]
Message-ID: <200605262041.09221.kernel@kolivas.org> (raw)
In-Reply-To: <20060526042021.2886.4957.sendpatchset@heathwren.pw.nest>
On Friday 26 May 2006 14:20, Peter Williams wrote:
> These patches implement CPU usage rate limits for tasks.
Nice :)
> Although the rlimit mechanism already has a CPU usage limit (RLIMIT_CPU)
> it is a total usage limit and therefore (to my mind) not very useful.
> These patches provide an alternative whereby the (recent) average CPU
> usage rate of a task can be limited to a (per task) specified proportion
> of a single CPU's capacity. The limits are specified in parts per
> thousand and come in two varieties -- hard and soft.
Why 1000? I doubt that degree of accuracy is possible in cpu accounting and
accuracy or even required. To me it would seem to make more sense to just be
a percentage.
--
-ck
next prev parent reply other threads:[~2006-05-26 10:41 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 ` [ckrm-tech] " Chandra Seetharaman
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 [this message]
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
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=200605262041.09221.kernel@kolivas.org \
--to=kernel@kolivas.org \
--cc=efault@gmx.de \
--cc=kingsley@aurema.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=pwil3058@bigpond.net.au \
--cc=rene.herman@keyaccess.nl \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.