From: Ingo Molnar <mingo@elte.hu>
To: Antonino Ingargiola <tritemio@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] CFS scheduler, -v18
Date: Sun, 24 Jun 2007 13:07:46 +0200 [thread overview]
Message-ID: <20070624110746.GA28868@elte.hu> (raw)
In-Reply-To: <5486cca80706240302mdebff81qaeaea9699ceb8564@mail.gmail.com>
* Antonino Ingargiola <tritemio@gmail.com> wrote:
> Anyway, I've discovered with great pleasure that CFS has also the
> SCHED_ISO priority. I may have missed something, but I don't remember
> to have read this in any of the CFS release notes :). For me this is a
> really useful feature. Thanks.
well, it's only a hack and emulated: SCHED_ISO in CFS is recognized as a
policy but it falls back to SCHED_NORMAL. Could you check how well this
(i.e. SCHED_NORMAL) works for your workload, compared to SD's SCHED_ISO?
If you'd like to increase the priority of a task, i'd suggest to use
negative nice levels. (use the 'nice' option in
/etc/security/limits.conf with a newer version of PAM to allow
unprivileged users to use negative nice levels.)
Ingo
next prev parent reply other threads:[~2007-06-24 11:07 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-22 22:02 [patch] CFS scheduler, -v18 Ingo Molnar
2007-06-22 22:09 ` S.Çağlar Onur
2007-06-22 22:16 ` S.Çağlar Onur
2007-06-22 22:20 ` Ingo Molnar
2007-06-26 3:02 ` Andrew Morton
2007-06-26 8:38 ` Ingo Molnar
2007-06-26 9:00 ` Andrew Morton
2007-06-26 9:38 ` Ingo Molnar
2007-06-22 23:08 ` Gene Heskett
2007-06-23 7:11 ` Ingo Molnar
2007-06-23 9:55 ` Gene Heskett
2007-06-23 10:22 ` Antonino Ingargiola
2007-06-23 17:25 ` Ingo Molnar
2007-06-24 10:02 ` Antonino Ingargiola
2007-06-24 11:07 ` Ingo Molnar [this message]
2007-06-25 7:27 ` Antonino Ingargiola
2007-06-23 13:24 ` Willy Tarreau
2007-06-24 15:52 ` Ingo Molnar
2007-06-24 17:08 ` Willy Tarreau
2007-06-24 20:31 ` Ingo Molnar
2007-06-26 20:17 ` Fortier,Vincent [Montreal]
2007-06-27 10:51 ` Ingo Molnar
2007-06-30 21:06 ` Willy Tarreau
2007-07-01 8:31 ` Ingo Molnar
2007-07-01 8:45 ` Ingo Molnar
2007-07-01 9:00 ` Willy Tarreau
2007-07-02 11:44 ` Vegard Nossum
2007-07-02 13:01 ` Dmitry Adamushko
2007-07-02 13:43 ` Vegard Nossum
2007-07-02 15:50 ` Ingo Molnar
2007-07-02 16:40 ` Vegard Nossum
2007-07-02 18:13 ` Ingo Molnar
2007-07-03 7:01 ` Vegard Nossum
2007-07-03 7:12 ` Mike Galbraith
2007-07-03 7:22 ` Ingo Molnar
2007-07-03 8:08 ` Keith Packard
2007-07-03 8:31 ` Ingo Molnar
2007-07-04 12:11 ` Andi Kleen
2007-07-02 14:13 ` Bill Davidsen
2007-07-03 7:15 ` Ingo Molnar
2007-07-03 9:11 ` Vegard Nossum
[not found] <8yZun-1bO-5@gated-at.bofh.it>
[not found] ` <8CszT-4hd-11@gated-at.bofh.it>
[not found] ` <8CtPi-6qj-9@gated-at.bofh.it>
[not found] ` <8Cus1-7eL-11@gated-at.bofh.it>
[not found] ` <8CwtU-1Z5-3@gated-at.bofh.it>
[not found] ` <8Cxgd-3fN-9@gated-at.bofh.it>
[not found] ` <8CKQ8-7HN-13@gated-at.bofh.it>
[not found] ` <8CKZV-7Ur-11@gated-at.bofh.it>
[not found] ` <8CLCt-vX-3@gated-at.bofh.it>
2007-07-05 13:29 ` Thomas Dickey
[not found] ` <8CM5x-19K-3@gated-at.bofh.it>
2007-07-05 13:39 ` Thomas Dickey
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