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Re: [patch] CFS scheduler, -v18

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From: Ingo Molnar <mingo@...>
To: Antonino Ingargiola <tritemio@...>
Cc: <linux-kernel@...>
Subject: Re: [patch] CFS scheduler, -v18
Date: Sunday, June 24, 2007 - 7:07 am

* Antonino Ingargiola <tritemio@gmail.com> wrote:


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
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Messages in current thread:
[patch] CFS scheduler, -v18, Ingo Molnar, (Fri Jun 22, 6:02 pm)
Re: [patch] CFS scheduler, -v18, Vegard Nossum, (Mon Jul 2, 7:44 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Tue Jul 3, 3:15 am)
Re: [patch] CFS scheduler, -v18, Vegard Nossum, (Tue Jul 3, 5:11 am)
Re: [patch] CFS scheduler, -v18, Bill Davidsen, (Mon Jul 2, 10:13 am)
Re: [patch] CFS scheduler, -v18, Dmitry Adamushko, (Mon Jul 2, 9:01 am)
Re: [patch] CFS scheduler, -v18, Vegard Nossum, (Mon Jul 2, 9:43 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Mon Jul 2, 11:50 am)
Re: [patch] CFS scheduler, -v18, Vegard Nossum, (Mon Jul 2, 12:40 pm)
Re: [patch] CFS scheduler, -v18, Mike Galbraith, (Tue Jul 3, 3:12 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Tue Jul 3, 3:22 am)
Re: [patch] CFS scheduler, -v18, Andi Kleen, (Wed Jul 4, 8:11 am)
Re: [patch] CFS scheduler, -v18, Keith Packard, (Tue Jul 3, 4:08 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Tue Jul 3, 4:31 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Mon Jul 2, 2:13 pm)
Re: [patch] CFS scheduler, -v18, Vegard Nossum, (Tue Jul 3, 3:01 am)
Re: [patch] CFS scheduler, -v18, Willy Tarreau, (Sat Jun 30, 5:06 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sun Jul 1, 4:31 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sun Jul 1, 4:45 am)
Re: [patch] CFS scheduler, -v18, Willy Tarreau, (Sun Jul 1, 5:00 am)
RE: [patch] CFS scheduler, -v18, Fortier,Vincent [Montreal]..., (Tue Jun 26, 4:17 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Wed Jun 27, 6:51 am)
Re: [patch] CFS scheduler, -v18, Willy Tarreau, (Sat Jun 23, 9:24 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sun Jun 24, 11:52 am)
Re: [patch] CFS scheduler, -v18, Willy Tarreau, (Sun Jun 24, 1:08 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sun Jun 24, 4:31 pm)
Re: [patch] CFS scheduler, -v18, Antonino Ingargiola, (Sat Jun 23, 6:22 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sat Jun 23, 1:25 pm)
Re: [patch] CFS scheduler, -v18, Antonino Ingargiola, (Sun Jun 24, 6:02 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sun Jun 24, 7:07 am)
Re: [patch] CFS scheduler, -v18, Antonino Ingargiola, (Mon Jun 25, 3:27 am)
Re: [patch] CFS scheduler, -v18, Gene Heskett, (Fri Jun 22, 7:08 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Sat Jun 23, 3:11 am)
Re: [patch] CFS scheduler, -v18, Gene Heskett, (Sat Jun 23, 5:55 am)
Re: [patch] CFS scheduler, -v18, S.Çağlar, (Fri Jun 22, 6:09 pm)
Re: [patch] CFS scheduler, -v18, S.Çağlar, (Fri Jun 22, 6:16 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Fri Jun 22, 6:20 pm)
Re: [patch] CFS scheduler, -v18, Andrew Morton, (Mon Jun 25, 11:02 pm)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Tue Jun 26, 4:38 am)
Re: [patch] CFS scheduler, -v18, Andrew Morton, (Tue Jun 26, 5:00 am)
Re: [patch] CFS scheduler, -v18, Ingo Molnar, (Tue Jun 26, 5:38 am)