Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756853Ab3D2Otb (ORCPT ); Mon, 29 Apr 2013 10:49:31 -0400 Received: from a9-62.smtp-out.amazonses.com ([54.240.9.62]:39560 "EHLO a9-62.smtp-out.amazonses.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756490Ab3D2Ot2 (ORCPT ); Mon, 29 Apr 2013 10:49:28 -0400 Date: Mon, 29 Apr 2013 14:49:27 +0000 From: Christoph Lameter X-X-Sender: cl@gentwo.org To: Will Huck cc: Han Pingtian , LKML , mhocko@suse.cz, Pekka Enberg , David Rientjes , linux-mm@kvack.org Subject: Re: OOM-killer and strange RSS value in 3.9-rc7 In-Reply-To: <517B8A5D.1030308@gmail.com> Message-ID: <0000013e56450fd2-c7a854d1-ff7f-47a7-a235-30721fead5e0-000000@email.amazonses.com> References: <20130417094750.GB2672@localhost.localdomain> <20130417141909.GA24912@dhcp22.suse.cz> <20130418101541.GC2672@localhost.localdomain> <20130418175513.GA12581@dhcp22.suse.cz> <20130423131558.GH8001@dhcp22.suse.cz> <20130424044848.GI2672@localhost.localdomain> <20130424094732.GB31960@dhcp22.suse.cz> <0000013e3cb0340d-00f360e3-076b-478e-b94c-ddd4476196ce-000000@email.amazonses.com> <20130425060705.GK2672@localhost.localdomain> <0000013e42332267-0b7fb3c0-9150-4058-8850-ae094b455b15-000000@email.amazonses.com> <517B8A5D.1030308@gmail.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-SES-Outgoing: 2013.04.29-54.240.9.62 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1706 Lines: 42 On Sat, 27 Apr 2013, Will Huck wrote: > Hi Christoph, > On 04/26/2013 01:17 AM, Christoph Lameter wrote: > > On Thu, 25 Apr 2013, Han Pingtian wrote: > > > > > I have enabled "slub_debug" and here is the > > > /sys/kernel/slab/kmalloc-512/alloc_calls contents: > > > > > > 50 .__alloc_workqueue_key+0x90/0x5d0 age=113630/116957/119419 > > > pid=1-1730 cpus=0,6-8,13,24,26,44,53,57,60,68 nodes=1 > > > 11 .__alloc_workqueue_key+0x16c/0x5d0 age=113814/116733/119419 > > > pid=1-1730 cpus=0,44,68 nodes=1 > > > 13 .add_sysfs_param.isra.2+0x80/0x210 age=115175/117994/118779 > > > pid=1-1342 cpus=0,8,12,24,60 nodes=1 > > > 160 .build_sched_domains+0x108/0xe30 age=119111/119120/119131 pid=1 > > > cpus=0 nodes=1 > > > 9000 .alloc_fair_sched_group+0xe4/0x220 age=110549/114471/117357 > > > pid=1-2290 > > > cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 > > > nodes=1 > > > 9000 .alloc_fair_sched_group+0x114/0x220 age=110549/114471/117357 > > > pid=1-2290 > > > cpus=0-1,5,9-11,13,24,29,33,36,38,40-41,45,48-50,53,56-58,60-63,68-69,72-73,76-77,79 > > > nodes=1 > > Could you explain the meaning of age=xx/xx/xx pid=xx-xx cpus=xx here? > Age refers to the mininum / avg / maximum age of the object in ticks. pid refers to the range of pids by processes running when the objects were created. cpus are the processors on which kernel threads where running when these objects were allocated. -- 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/