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Date: Sun, 29 Apr 2007 08:47:03 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Kasper Sandberg <lkml@metanurb.dk>
Cc: Gene Heskett <gene.heskett@gmail.com>, linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
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       Mike Galbraith <efault@gmx.de>, Arjan van de Ven <arjan@infradead.org>,
       Peter Williams <pwil3058@bigpond.net.au>,
       Thomas Gleixner <tglx@linutronix.de>, caglar@pardus.org.tr,
       Willy Tarreau <w@1wt.eu>, Mark Lord <lkml@rtr.ca>,
       Zach Carter <linux@zachcarter.com>, buddabrod <buddabrod@gmail.com>
Subject: Re: [patch] CFS scheduler, -v6
Message-ID: <20070429064703.GA32281@elte.hu>
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* Kasper Sandberg <lkml@metanurb.dk> wrote:

> Okay so i've tried with cfs 7 now, and the completely broken audio 
> behavior is fixed.

great! :) This worried me alot!

> Im not sure im describing properly, but say it takes 35fps for the 3d 
> stuff to seem perfect, the fps monitor updates once every 1 or two 
> seconds, showing average fps(havent looked at the code, but i assume 
> it spans those 1-2 seconds), usually i have like 60 fps, but under 
> load it can go down to 35, [...]

What is this "3D stuff" exactly, and what are you using to monitor the 
framerates? (Also, could you please try another experiment and enable 
CONFIG_PREEMPT? CFS works smoothest with that enabled.)

	Ingo