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

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Message-Id: <1173689086.6748.13.camel@Homer.simpson.net>
Date:	Mon, 12 Mar 2007 09:44:46 +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>,
	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 18:48 +1100, Con Kolivas wrote:
> 
> Just a couple of questions;
> 
> The X/Gforce case; do they alternate cpu between them? By that I mean when 
> they're the only thing running does the cpu load summate to 1 or does it 
> summate to 2?

They're each on their own cpu (sibling).  Oh, you mean does one wake the
other?  If so, yeah, I believe so.  I instrumented wakeups a (long)
while back, looking into keeping heavy cpu visualizations smooth, and
iirc, X was waking it.

> Gforce presumably is a 3d visualisation? Do you use one of the graphics card 
> drivers listed that uses yield?

No, GL/DRI here.  I'm using a Radeon X850Pro (R480), and for GL/DRI I'd
have to load the proprietary driver.

	-Mike



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