linux-kernel - Re: [patch] CFS (Completely Fair Scheduler), v2

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Message-ID: <20070417081606.GB5076@elte.hu>
Date:	Tue, 17 Apr 2007 10:16:06 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	William Lee Irwin III <wli@...omorphy.com>
Cc:	Peter Williams <pwil3058@...pond.net.au>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>, caglar@...dus.org.tr,
	Willy Tarreau <w@....eu>,
	Gene Heskett <gene.heskett@...il.com>,
	Dmitry Adamushko <dmitry.adamushko@...il.com>
Subject: Re: [patch] CFS (Completely Fair Scheduler), v2


* William Lee Irwin III <wli@...omorphy.com> wrote:

> On Tue, Apr 17, 2007 at 04:46:57PM +1000, Peter Williams 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.
> 
> I suspect you mean 
> (curr->load_weight*delta_exec)/rq->raw_weighted_load in update_curr().

good idea, i'll try that.

	Ingo
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