Messages in this thread | | | From | Paolo Ornati <> | Subject | Re: 2.6.1-rc1 [resend] | Date | Wed, 31 Dec 2003 16:19:27 +0100 |
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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 [unhandled content-type:application/x-gzip][unhandled content-type:application/x-gzip] | |