From: Wu Fengguang <fengguang.wu@intel.com>
To: jack marrow <jackmarrow2@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: Memory usage per memory zone
Date: Wed, 11 Mar 2009 19:43:53 +0800 [thread overview]
Message-ID: <20090311114353.GA759@localhost> (raw)
In-Reply-To: <e2dc2c680903110341g6c9644b8j87ce3b364807e37f@mail.gmail.com>
Hi jack,
On Wed, Mar 11, 2009 at 11:41:43AM +0100, jack marrow wrote:
> Hello,
>
> I have a box where the oom-killer is killing processes due to running
> out of memory in zone_normal. I can see using slabtop that the inode
How do you know that the memory pressure on zone normal stand out alone?
> caches are using up lots of memory and guess this is the problem, so
> have cleared them using an echo to drop_caches.
It would better be backed by concrete numbers...
>
> I would quite like to not guess though - is it possible to use slabtop
> (or any other way) to view ram usage per zone so I can pick out the
> culprit?
/proc/zoneinfo and /proc/vmstat do have some per-zone numbers.
Some of them deal with slabs.
Thanks,
Fengguang
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next parent reply other threads:[~2009-03-11 11:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e2dc2c680903110341g6c9644b8j87ce3b364807e37f@mail.gmail.com>
2009-03-11 11:43 ` Wu Fengguang [this message]
2009-03-11 11:51 ` jack marrow
2009-03-11 12:11 ` Wu Fengguang
2009-03-11 12:16 ` jack marrow
2009-03-11 12:26 ` Wu Fengguang
2009-03-12 7:53 ` jack marrow
2009-03-12 7:59 ` Wu Fengguang
[not found] ` <e2dc2c680903120104h4d19a3f6j57ad045bc06f9a90@mail.gmail.com>
[not found] ` <20090312081113.GA19506@localhost>
2009-03-12 8:48 ` jack marrow
2009-03-12 11:14 ` Wu Fengguang
2009-03-12 11:39 ` jack marrow
[not found] ` <e2dc2c680903120117j7be962b2xd63f3296f8f65a46@mail.gmail.com>
2009-03-12 10:38 ` Wu Fengguang
2009-03-12 11:38 ` jack marrow
2009-03-12 11:48 ` jack marrow
2009-03-12 12:06 ` Wu Fengguang
2009-03-12 11:51 ` Wu Fengguang
2009-03-12 12:01 ` jack marrow
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