linux-kernel - Re: [patch] CFS scheduler, -v6

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Date:	Fri, 27 Apr 2007 15:44:36 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Kasper Sandberg <lkml@...anurb.dk>,
	Gene Heskett <gene.heskett@...il.com>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Con Kolivas <kernel@...ivas.org>,
	Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>,
	Arjan van de Ven <arjan@...radead.org>,
	Peter Williams <pwil3058@...pond.net.au>, caglar@...dus.org.tr,
	Willy Tarreau <w@....eu>, Mark Lord <lkml@....ca>,
	Zach Carter <linux@...hcarter.com>,
	buddabrod <buddabrod@...il.com>
Subject: Re: [patch] CFS scheduler, -v6

On Fri, 2007-04-27 at 15:39 +0200, Thomas Gleixner wrote:
> ogg123 local harddisk	skips
> ogg123 nfs		works
> ogg123 /dev/shm		works
> 
> The skips when running from the local harddisk are definitely caused by
> the I/O scheduler or some other bottleneck in the block/disk/scsi/sata
> jungle. I try to find out more details.

Forgot to mention that it happens with any scheduler.

	tglx


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