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Date: Fri, 27 Apr 2007 13:55:26 +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>,
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       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
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* Ingo Molnar <mingo@elte.hu> wrote:

> update for lkml readers: this is some really 'catastrophic' condition 
> triggering on your box. Here ogg123 just never skips on an older 750 
> MHz box, which is 4-5 times slower than your 2GHz box - while i have 
> _fourty nice-0 infinite loops_ running. I.e. at this clearly 
> ridiculous load, at just 2.5% of CPU time ogg123 is just chugging 
> along nicely and never leaves out a beat.

Kasper, just to exclude the possibility that this is somehow related to 
IO scheduling, could you copy the OGG file over to /dev/shm and play it 
from there? Do you still get the bad skips?

	Ingo