From: Ingo Molnar <mingo@elte.hu>
To: Peter Williams <pwil3058@bigpond.net.au>
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Con Kolivas <kernel@kolivas.org>, Nick Piggin <npiggin@suse.de>,
Mike Galbraith <efault@gmx.de>,
Arjan van de Ven <arjan@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
caglar@pardus.org.tr, Willy Tarreau <w@1wt.eu>,
Gene Heskett <gene.heskett@gmail.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>
Subject: Re: [patch] CFS (Completely Fair Scheduler), v2
Date: Tue, 17 Apr 2007 11:53:03 +0200 [thread overview]
Message-ID: <20070417095303.GA25553@elte.hu> (raw)
In-Reply-To: <46246D61.8010300@bigpond.net.au>
* Peter Williams <pwil3058@bigpond.net.au> wrote:
> Have you considered using rq->raw_weighted_load instead of
> rq->nr_running in calculating fair_clock? This would take the nice
> value (or RT priority) of the other tasks into account when
> determining what's fair.
>
> Peter
> PS You'd have to change the migration thread's load_weight from 0 to 1
> in order to prevent divide by zero without having to explicitly check
> for it every time.
yeah - nice idea, i'll try this.
Ingo
prev parent reply other threads:[~2007-04-17 9:53 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-16 22:07 Ingo Molnar
2007-04-16 22:12 ` S.Çağlar Onur
2007-04-17 8:59 ` Ingo Molnar
2007-04-17 14:45 ` S.Çağlar Onur
2007-04-17 15:48 ` Gabriel C
2007-04-17 16:01 ` Ingo Molnar
2007-04-17 4:06 ` Peter Williams
2007-04-17 6:49 ` Ingo Molnar
2007-04-17 4:53 ` Gene Heskett
2007-04-17 5:25 ` Willy Tarreau
2007-04-17 5:51 ` Gene Heskett
2007-04-17 7:18 ` Paolo Ornati
2007-04-17 5:51 ` Mike Galbraith
2007-04-17 6:27 ` Ingo Molnar
2007-04-18 0:06 ` Peter Williams
2007-04-17 6:18 ` Ingo Molnar
2007-04-17 7:01 ` Ingo Molnar
2007-04-17 7:31 ` Davide Libenzi
2007-04-17 7:39 ` Ingo Molnar
2007-04-17 17:18 ` Gene Heskett
2007-04-17 17:15 ` Gene Heskett
2007-04-17 17:22 ` Gene Heskett
2007-04-17 8:03 ` Davide Libenzi
2007-04-17 8:18 ` Nick Piggin
2007-04-17 8:26 ` Ingo Molnar
2007-04-17 8:41 ` Nick Piggin
2007-04-17 8:57 ` Ingo Molnar
2007-04-17 8:20 ` Ingo Molnar
2007-04-17 16:12 ` Gene Heskett
2007-04-17 6:46 ` Peter Williams
2007-04-17 7:51 ` William Lee Irwin III
2007-04-17 8:16 ` Ingo Molnar
2007-04-17 8:52 ` Ingo Molnar
2007-04-17 14:05 ` Peter Williams
2007-04-17 8:30 ` Peter Williams
2007-04-18 19:15 ` Peter Williams
2007-04-17 9:53 ` Ingo Molnar [this message]
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