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Re: performance patches

To: Stephen Lord <lord@xxxxxxx>
Subject: Re: performance patches
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sun, 28 Apr 2002 11:16:26 +0100
Cc: Mihai RUSU <dizzy@xxxxxxxxx>, Paul Schutte <paul@xxxxxxxx>, Thor Lancelot Simon <tls@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <1019908885.1623.13.camel@localhost.localdomain>; from lord@sgi.com on Sat, Apr 27, 2002 at 07:01:23AM -0500
References: <Pine.LNX.4.33.0204270151150.2412-100000@ahriman.bucharest.roedu.net> <1019908885.1623.13.camel@localhost.localdomain>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mutt/1.2.5.1i
On Sat, Apr 27, 2002 at 07:01:23AM -0500, Stephen Lord wrote:
> I have come across a command called iostat which you can get here:
> http://perso.wanadoo.fr/sebastien.godard/
> 
> which will report io requests nicely.

For full features (i.e. $BIGNUM of disks) you need sard support in your
kernel.  This has been in many vendor kernels for ages and a cleaned up
version made it into 2.4.19-pre.  Thats means for XFS1.1 the Red Hat rpms
support it, but not the 2.4.18 based kernels.


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