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From: Andrew Morton <akpm@digeo.com>
To: Chris Wood <cwood@xmission.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.20, .text.lock.swap cpu usage? (ibm x440)
Date: Mon, 06 Jan 2003 15:52:37 -0800	[thread overview]
Message-ID: <3E1A16C5.87EDE35A@digeo.com> (raw)
In-Reply-To: 3E1A12B5.4020505@xmission.com

Chris Wood wrote:
> 
> Due to kswapd problems in Redhat's 2.4.9 kernel, I have had to upgrade
> to the 2.4.20 kernel with the IBM Summit Patches for our IBM x440.
> ...
> 16480 total                                      0.0138
>    6383 .text.lock.swap                          110.0517
>    4689 .text.lock.vmscan                         28.2470
>    4486 shrink_cache                               4.6729
>     168 rw_swap_page_base                          0.6176
>     124 prune_icache                               0.5167

With six gigs of memory, it looks like the VM has gone nuts
trying to locate some reclaimable lowmem.

Suggest you send the contents of /proc/meminfo and /proc/slabinfo,
captured during a period of misbehaviour.

Then please apply 
http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.20aa1.bz2
and send a report on the outcome.

  parent reply	other threads:[~2003-01-06 23:44 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-06 23:35 2.4.20, .text.lock.swap cpu usage? (ibm x440) Chris Wood
2003-01-06 23:50 ` William Lee Irwin III
2003-01-06 23:52 ` Andrew Morton [this message]
2003-01-09 17:17   ` Chris Wood
2003-01-09 20:18     ` Andrew Morton
2003-01-10  0:25       ` William Lee Irwin III
2003-01-10  0:44         ` Brian Tinsley
2003-01-10  0:55           ` William Lee Irwin III
2003-01-10 20:42       ` Chris Wood
2003-01-09  2:20 ` James Cleverdon
2003-01-09  2:57 ` William Lee Irwin III
  -- strict thread matches above, loose matches on Subject: below --
2003-01-10  3:17 Brian Tinsley
2003-01-10  3:29 ` William Lee Irwin III
2003-01-10  3:42   ` Brian Tinsley
2003-01-10  3:54     ` William Lee Irwin III
2003-01-10  4:08       ` Brian Tinsley
2003-01-10  4:19         ` William Lee Irwin III
2003-01-10  4:50           ` Brian Tinsley
2003-01-10  5:17             ` Martin J. Bligh
2003-01-10  5:24             ` William Lee Irwin III
2003-01-10  5:45               ` Brian Tinsley

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