linux-kernel - Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

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Date:	Thu, 19 Apr 2007 17:18:03 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Willy Tarreau <w@....eu>
Cc:	Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]


* Willy Tarreau <w@....eu> wrote:

> You can certainly script it with -geometry. But it is the wrong 
> application for this matter, because you benchmark X more than 
> glxgears itself. What would be better is something like a line 
> rotating 360 degrees and doing some short stuff between each degree, 
> so that X is not much sollicitated, but the CPU would be spent more on 
> the processes themselves.

at least on my setup glxgears goes via DRI/DRM so there's no X 
scheduling inbetween at all, and the visual appearance of glxgears is a 
direct function of its scheduling.

	Ingo
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