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Date: Mon, 11 Feb 2002 11:31:41 -0800
From: Andrew Morton <akpm@zip.com.au>
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To: Florian Hars <florian@hars.de>
CC: linux-kernel@vger.kernel.org
Subject: Re: Disk-I/O and kupdated@99.9% system (2.4.18-pre9)
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Florian Hars wrote:
> 
> I have an ext[23] filesystem (doesn't matter which), on an LVM Volume.
> Whenever I do some heavy disk-I/O (like untaring an archive with 13000
> files that amount to 5GB), the CPU-state repeatedly goes to 99.9%
> system and stays there for a noticeable amount of time (1-2 seconds),
> during which the system doesn't respond very well to user action, to put
> it mildly.

A kernel profile will presumably point us at the problem.

It's pretty simple. See
http://www.uwsg.iu.edu/hypermail/linux/kernel/0201.3/0773.html

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