From: Yohan <kernel@yohan.staff.proxad.net>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: VM issue causing high CPU loads
Date: Wed, 26 Aug 2009 13:55:34 +0200 [thread overview]
Message-ID: <4A9522B6.7060607@yohan.staff.proxad.net> (raw)
In-Reply-To: <20090826110809.GG10955@csn.ul.ie>
Mel Gorman wrote:
> On Mon, Aug 24, 2009 at 04:21:55PM -0700, Andrew Morton wrote:
>
>> On Mon, 24 Aug 2009 16:23:22 +0200
>> Yohan <kernel@yohan.staff.proxad.net> wrote:
>>
>>> Hi,
>>>
>>> Is someone have an idea for that :
>>>
>>> http://bugzilla.kernel.org/show_bug.cgi?id=14024
>>>
>> Please generate a kernel profile to work out where all the CPU tie is
>> being spent. Documentation/basic_profiling.txt is a starting point.
>>
> In the absense of a profile, here is a total stab in the dark. Is this a
> NUMA machine?
This is a Intel(R) Xeon(R) CPU E5520 on Dell R610
> If so, is /proc/sys/vm/zone_reclaim_mode set to 1 and does
> setting it to 0 help?
>
The value is already 0...
Thanks
next prev parent reply other threads:[~2009-08-26 11:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4A92A25A.4050608@yohan.staff.proxad.net>
2009-08-24 23:21 ` Andrew Morton
2009-08-26 11:08 ` Mel Gorman
2009-08-26 11:55 ` Yohan [this message]
2009-08-26 11:53 ` Yohan
2009-08-27 8:39 ` Yohan
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