Date: Thu, 28 Oct 2004 08:13:23 -0700
From: William Lee Irwin III <wli@holomorphy.com>
To: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
Cc: linux-kernel@vger.kernel.org, uclibc@uclibc.org
Subject: Re: Swap strangeness: total VIRT ~23mb for all processes, swap 91156k used - impossible?
Message-ID: <20041028151323.GM12934@holomorphy.com>
References: <200410281333.53976.vda@port.imtp.ilyichevsk.odessa.ua>
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On Thu, Oct 28, 2004 at 01:33:53PM +0300, Denis Vlasenko wrote:
> I am playing with 'small/beautiful stuff' like
> bbox/uclibc.
> I ran oom_trigger soon after boot and took
> "top b n 1" snapshot after OOM kill.
> Output puzzles me: total virtual space taken by *all*
> processes is ~23mb yet swap usage is ~90mb.
> How that can be? *What* is there? Surely it can't
> be a filesystem cache because OOM condition reduces that
> to nearly zero.
> top output
> (note: some of them are busybox'ed, others are compiled
> against uclibc, some are statically built with dietlibc,
> rest is plain old shared binaries built against glibc):

Let's get top(1) out of the equation. Could you grab VSZ from directly
from /proc/?


Thanks.


-- wli
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