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Message-ID: <3F5D3EA5.9080900@cyberone.com.au>
Date: Tue, 09 Sep 2003 12:44:53 +1000
From: Nick Piggin <piggin@cyberone.com.au>
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To: Dave Hansen <haveblue@us.ibm.com>
CC: Mike Sullivan <mksully@us.ibm.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: I/O degredation with AS on 2.6.0-test3
References: <OF0770DEDD.BEBEF8A2-ON85256D9B.00659B11@us.ibm.com> <1063052763.29025.100.camel@nighthawk>
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Dave Hansen wrote:

>You might want to try Martin Bligh's diffprofile utility.  It's a bit
>hard to compare 2 500-line profiles without it.
>
>ftp://ftp.kernel.org/pub/linux/kernel/people/mbligh/tools/
>
>Also, there have evidently been a few I/O scheduler fixes since -test3. 
>Please retry with -test5.
>

More important, are they regressions vs. previous kernels with AS?