Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755087AbZKBMf4 (ORCPT ); Mon, 2 Nov 2009 07:35:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754920AbZKBMfz (ORCPT ); Mon, 2 Nov 2009 07:35:55 -0500 Received: from mail-iw0-f180.google.com ([209.85.223.180]:39475 "EHLO mail-iw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754725AbZKBMfb (ORCPT ); Mon, 2 Nov 2009 07:35:31 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=ZzZ7QZ9L6PTLmibGF7Zih6hZdmVxYyIeqjNgg5zTIijo9FH33/AkH8xwKxG2MLVcJs 1o2EzmzlJ6ygxJV6gyYadKgBcRVXPvrx/8uUE9COwjfgjHMhGL4k+iRhSnBtAidMsDMy Yku0p04OXST8dT5Tin+Sz+DTbqgmoHOYEbjUs= MIME-Version: 1.0 In-Reply-To: References: <20091028175846.49a1d29c.kamezawa.hiroyu@jp.fujitsu.com> <20091029100042.973328d3.kamezawa.hiroyu@jp.fujitsu.com> <2f11576a0911010529t688ed152qbb72c87c85869c45@mail.gmail.com> Date: Mon, 2 Nov 2009 21:35:35 +0900 X-Google-Sender-Auth: 6a0506c3b9dc5106 Message-ID: <2f11576a0911020435n103538d0p9d2afed4d39b4726@mail.gmail.com> Subject: Re: [PATCH] oom_kill: use rss value instead of vm size for badness From: KOSAKI Motohiro To: David Rientjes , vedran.furac@gmail.com Cc: KAMEZAWA Hiroyuki , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Hugh Dickins , Andrea Arcangeli Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1811 Lines: 54 >> Hi David, >> >> I'm very interesting your pointing out. thanks good testing. >> So, I'd like to clarify your point a bit. >> >> following are badness list on my desktop environment (x86_64 6GB mem). >> it show Xorg have pretty small badness score. Do you know why such >> different happen? > > I don't know specifically what's different on your machine than Vedran's, > my data is simply a collection of the /proc/sys/vm/oom_dump_tasks output > from Vedran's oom log. > > I guess we could add a call to badness() for the oom_dump_tasks tasklist > dump to get a clearer picture so we know the score for each thread group > leader. Anything else would be speculation at this point, though. > >> score pid comm >> ============================== >> 56382 3241 run-mozilla.sh >> 23345 3289 run-mozilla.sh >> 21461 3050 gnome-do >> 20079 2867 gnome-session >> 14016 3258 firefox >> 9212 3306 firefox >> 8468 3115 gnome-do >> 6902 3325 emacs >> 6783 3212 tomboy >> 4865 2968 python >> 4861 2948 nautilus >> 4221 1 init >> (snip about 100line) >> 548 2590 Xorg >> > > Are these scores with your rss patch or without? If it's without the > patch, this is understandable since Xorg didn't appear highly in Vedran's > log either. Oh, I'm sorry. I mesured with rss patch. Then, I haven't understand what makes Xorg bad score. Hmm... Vedran, Can you please post following command result? # cat /proc/`pidof Xorg`/smaps I hope to undestand the issue clearly before modify any code. -- 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/