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

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Message-Id: <1173692319.5835.611.camel@frg-rhel40-em64t-03>
Date:	Mon, 12 Mar 2007 10:38:39 +0100
From:	Xavier Bestel <xavier.bestel@...e.fr>
To:	Con Kolivas <kernel@...ivas.org>
Cc:	Mike Galbraith <efault@....de>, Ingo Molnar <mingo@...e.hu>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	ck list <ck@....kolivas.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH][RSDL-mm 0/7] RSDL cpu scheduler for 2.6.21-rc3-mm2

On Mon, 2007-03-12 at 20:22 +1100, Con Kolivas wrote:
> On Monday 12 March 2007 19:55, Mike Galbraith wrote:
> > Hmm.  So... anything that's client/server is going to suffer horribly
> > unless niced tasks are niced all the way down to 19?
> 
> Fortunately most client server models dont usually have mutually exclusive cpu 
> use like this X case. There are many things about X that are still a little 
> (/me tries to think of a relatively neutral term)... wanting. :(

I'd say the problem is less with X than with Xlib, which is heavily
round-trip-based. Fortunately XCB (its successor) seeks to be more
asynchronous.

	Xav


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