linux-kernel - Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

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Message-Id: <1173732344.6431.54.camel@Homer.simpson.net>
Date:	Mon, 12 Mar 2007 21:45:44 +0100
From:	Mike Galbraith <efault@....de>
To:	Con Kolivas <kernel@...ivas.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	ck list <ck@....kolivas.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

On Tue, 2007-03-13 at 07:38 +1100, Con Kolivas wrote:
> On Tuesday 13 March 2007 07:11, Mike Galbraith wrote:
> >
> > Killing the known corner case starvation scenarios is wonderful, but
> > let's not just pretend that interactive tasks don't have any special
> > requirements.
> 
> Now you're really making a stretch of things. Where on earth did I say that 
> interactive tasks don't have special requirements? It's a fundamental feature 
> of this scheduler that I go to great pains to get them as low latency as 
> possible and their fair share of cpu despite having a completely fair cpu 
> distribution.

As soon as your cpu is fully utilized, fairness looses or interactivity
loses.  Pick one.

	-Mike

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