From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx170.postini.com [74.125.245.170]) by kanga.kvack.org (Postfix) with SMTP id 1EC156B014F for ; Tue, 30 Apr 2013 23:13:12 -0400 (EDT) Received: by mail-yh0-f48.google.com with SMTP id z12so225541yhz.35 for ; Tue, 30 Apr 2013 20:13:11 -0700 (PDT) Message-ID: <5180883F.3040003@gmail.com> Date: Wed, 01 May 2013 11:13:03 +0800 From: Will Huck MIME-Version: 1.0 Subject: Re: OOM-killer and strange RSS value in 3.9-rc7 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> <0000013e56450fd2-c7a854d1-ff7f-47a7-a235-30721fead5e0-000000@email.amazonses.com> In-Reply-To: <0000013e56450fd2-c7a854d1-ff7f-47a7-a235-30721fead5e0-000000@email.amazonses.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Han Pingtian , LKML , mhocko@suse.cz, Pekka Enberg , David Rientjes , linux-mm@kvack.org Hi Christoph, On 04/29/2013 10:49 PM, Christoph Lameter wrote: > 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. Why need monitor the age of the object? > > 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org