From: Nick Piggin <piggin@cyberone.com.au>
To: Kirk True <ktrue@movaris.com>
Cc: kernelnewbies <kernelnewbies@nl.linux.org>, Linux-MM@kvack.org
Subject: Re: LTP VM test slower under 2.6.3 than 2.4.20
Date: Sat, 21 Feb 2004 09:45:20 +1100 [thread overview]
Message-ID: <40368E00.3000505@cyberone.com.au> (raw)
In-Reply-To: <40363778.20900@movaris.com>
Kirk True wrote:
> Hi all,
>
> 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.
>
> Where in particular should I start to look to see if it's a
> configuration/environment issue or a real problem? What other
> information would be helpful to know?
>
2.6 must start writeout, does it?
Can you post vmstat 1 logs for each kernel?
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next prev parent reply other threads:[~2004-02-20 22:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 16:36 LTP VM test slower under 2.6.3 than 2.4.20 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 [this message]
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
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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