From: Andrew Morton <akpm@osdl.org>
To: Kirk True <ktrue@movaris.com>
Cc: kernelnewbies@nl.linux.org, Linux-MM@kvack.org
Subject: Re: LTP VM test slower under 2.6.3 than 2.4.20
Date: Sun, 22 Feb 2004 23:19:03 -0800 [thread overview]
Message-ID: <20040222231903.5f9ead5c.akpm@osdl.org> (raw)
In-Reply-To: <40363778.20900@movaris.com>
Kirk True <ktrue@movaris.com> wrote:
>
> Executing the LTP "mem01" VM test shows a huge time discrepancy between
> 2.4.20 and 2.6.3. Under 2.4.20 the total time is around 5 seconds, while
> under 2.6.3 the system seems to hang for nearly a minute.
I'd be wondering if your disk system is correctly running in DMA mode.
On my 256MB test box, mem01 takes 31 seconds under 2.4.25, 25 seconds
under 2.6.3-mm3.
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next prev parent reply other threads:[~2004-02-23 7:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 16:36 Kirk True
2004-02-20 16:39 ` Martin J. Bligh
2004-02-20 18:57 ` Kirk True
2004-02-20 19:03 ` Kirk True
[not found] ` <40363DEE.9040608@movaris.com>
[not found] ` <5760000.1077296989@[10.10.2.4]>
2004-02-22 15:32 ` Kirk True
2004-02-20 22:45 ` Nick Piggin
2004-02-21 2:50 ` Kirk True
2004-02-21 2:50 ` Kirk True
2004-02-21 15:39 ` Kirk True
2004-02-23 7:19 ` Andrew Morton [this message]
2004-02-23 16:51 ` Kirk True
2004-02-23 19:42 ` Andrew Morton
2004-02-24 15:08 ` Kirk True
2004-02-24 23:38 ` Andrew Morton
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