From: Nick Piggin <piggin@cyberone.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: Philip Martin <philip@codematters.co.uk>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.1 slower than 2.4, smp/scsi/sw-raid/reiserfs
Date: Mon, 02 Feb 2004 10:52:52 +1100 [thread overview]
Message-ID: <401D9154.9060903@cyberone.com.au> (raw)
In-Reply-To: <20040201151111.4a6b64c3.akpm@osdl.org>
Andrew Morton wrote:
>Philip Martin <philip@codematters.co.uk> wrote:
>
>>The machine is a dual P3 450MHz, 512MB, aic7xxx, 2 disk RAID-0 and
>> ReiserFS. It's a few years old and has always run Linux, most
>> recently 2.4.24. I decided to try 2.6.1 and the performance is
>> disappointing.
>>
>
>2.6 has a few performance problems under heavy pageout at present. Nick
>Piggin has some patches which largely fix it up.
>
>
>> My test is a software build of about 200 source files (written in C)
>> that I usually build using "nice make -j4".
>>
>
>Tried -j3?
>
>
Its got 512MB RAM though so its not swapping, is it?
Philip, can you please send about 30 seconds of vmstat 1
output for 2.4 and 2.6 while the test is running. Thanks
next prev parent reply other threads:[~2004-02-01 23:53 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-01 21:34 2.6.1 slower than 2.4, smp/scsi/sw-raid/reiserfs Philip Martin
2004-02-01 23:11 ` Andrew Morton
2004-02-01 23:42 ` Philip Martin
2004-02-01 23:52 ` Nick Piggin [this message]
2004-02-02 0:51 ` Philip Martin
2004-02-02 5:15 ` Nick Piggin
2004-02-02 8:58 ` Nick Piggin
2004-02-02 18:36 ` Philip Martin
2004-02-02 23:36 ` Nick Piggin
2004-02-02 23:49 ` Andrew Morton
2004-02-03 1:01 ` Philip Martin
2004-02-03 3:02 ` Nick Piggin
2004-02-03 16:44 ` Philip Martin
2004-02-03 0:34 ` Philip Martin
2004-02-03 3:52 ` Nick Piggin
2004-02-02 18:08 ` Philip Martin
2004-02-03 3:46 ` Andrew Morton
2004-02-03 16:46 ` Philip Martin
2004-02-03 21:29 ` Andrew Morton
2004-02-03 21:53 ` Philip Martin
2004-02-04 5:48 ` Nick Piggin
2004-02-04 17:50 ` Philip Martin
2004-02-04 23:38 ` Philip Martin
2004-02-05 2:49 ` Nick Piggin
2004-02-05 14:27 ` Philip Martin
2004-02-14 0:10 ` Philip Martin
-- strict thread matches above, loose matches on Subject: below --
2004-02-03 6:55 Samium Gromoff
2004-02-03 7:07 ` Andrew Morton
2004-02-03 7:52 ` Samium Gromoff
2004-02-03 7:57 ` Nick Piggin
2004-02-03 15:58 ` Valdis.Kletnieks
2004-02-03 7:13 ` Nick Piggin
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