Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 14 Jan 2002 06:30:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 14 Jan 2002 06:30:08 -0500 Received: from mailgate.bodgit-n-scarper.com ([62.49.233.146]:9226 "HELO mould.bodgit-n-scarper.com") by vger.kernel.org with SMTP id ; Mon, 14 Jan 2002 06:29:56 -0500 Date: Mon, 14 Jan 2002 11:40:09 +0000 From: Matt Dainty To: linux-kernel@vger.kernel.org Subject: Re: Where's all my memory going? Message-ID: <20020114114009.A31918@mould.bodgit-n-scarper.com> Mail-Followup-To: linux-kernel@vger.kernel.org In-Reply-To:

<20020110024520.A29045@em.ca> <20020110030537.C771@lynx.adilger.int> <20020110145542.B2499@mould.bodgit-n-scarper.com> <20020110134657.A26688@lynx.adilger.int> <20020110162445.A13236@em.ca> <20020110153639.H26688@lynx.adilger.int> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020110153639.H26688@lynx.adilger.int> User-Agent: Mutt/1.3.23i X-Operating-System: Linux 2.2.20 on i686 SMP (mould) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 10, 2002 at 03:36:39PM -0700, Andreas Dilger wrote: > > In any case, you also pointed out the same thing I did, namely that these > slab entries (while having some high numbers) do not account for the large > amount of used memory in the system. Maybe SysRQ-M output can help a bit? Running this on the box after it's settled down a bit, (over the weekend, the usage hasn't altered), with all mail delivered and collected so the box is currently quiet, produces the following 'free' output: root@plum:~# free total used free shared buffers cached Mem: 1029524 965344 64180 0 45204 22936 -/+ buffers/cache: 897204 132320 Swap: 2097136 116 2097020 And SysRQ+M yields the following: SysRq : Show Memory Mem-info: Free pages: 66612kB ( 4424kB HighMem) Zone:DMA freepages: 4848kB min: 128kB low: 256kB high: 384kB Zone:Normal freepages: 57340kB min: 1020kB low: 2040kB high: 3060kB Zone:HighMem freepages: 4424kB min: 1020kB low: 2040kB high: 3060kB ( Active: 160155, inactive: 58253, free: 16653 ) 124*4kB 98*8kB 41*16kB 13*32kB 3*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 1*2048kB = 4848kB) 11029*4kB 1097*8kB 140*16kB 7*32kB 1*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB = 57340kB) 328*4kB 55*8kB 19*16kB 10*32kB 2*64kB 3*128kB 0*256kB 1*512kB 1*1024kB 0*2048kB = 4424kB) Swap cache: add 48, delete 24, find 13/14, race 0+0 Free swap: 2097020kB 262128 pages of RAM 32752 pages of HIGHMEM 4747 reserved pages 20447 pages shared 24 pages swap cached 0 pages in page table cache Buffer memory: 44424kB CLEAN: 209114 buffers, 836405 kbyte, 188 used (last=209112), 0 locked, 0 dirty ^^^^^^ Is this our magic value? DIRTY: 8 buffers, 32 kbyte, 0 used (last=0), 0 locked, 8 dirty Cheers Matt -- "Phased plasma rifle in a forty-watt range?" "Hey, just what you see, pal" - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/