Re: 2.6.1-rc1 [resend]
From: Paolo Ornati (ornati_at_lycos.it)
Date: 12/31/03
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To: William Lee Irwin III <wli@holomorphy.com> Date: Wed, 31 Dec 2003 16:19:27 +0100
On Wednesday 31 December 2003 16:06, you wrote:
> On Wed, Dec 31, 2003 at 04:00:07PM +0100, Paolo Ornati wrote:
> > With 2.6.1-rc1 I have noticed a strange IDE performance change.
> > Results of "hdparm -t /dev/hda" with 2.6.0 kernel:
> > (readahead = 256): ~26.31 MB/s
> > (readahead = 128): ~31.82 MB/s
> > PS = readahead is set to 256 by default on my system, 128 seems to be
> > the best value
> > Results of "hdparm -t /dev/hda" with 2.6.1-rc1 kernel:
> > (readahead = 256): ~26.41 MB/s
> > (readahead = 128): ~26.27 MB/s
> > Setting readahead to 128 doesn't have the same effect with the new
> > kernel...
>
> What io scheduler are you using? Or, could you post /var/log/dmesg?
"dmesg" and "config" attached.
>
>
> -- wli
-- Paolo Ornati Linux v2.6.1-rc1
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