From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx103.postini.com [74.125.245.103]) by kanga.kvack.org (Postfix) with SMTP id 8CC246B005D for ; Thu, 31 May 2012 04:54:14 -0400 (EDT) Received: from m3.gw.fujitsu.co.jp (unknown [10.0.50.73]) by fgwmail6.fujitsu.co.jp (Postfix) with ESMTP id A359F3EE0BC for ; Thu, 31 May 2012 17:54:12 +0900 (JST) Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 8ADB445DEB3 for ; Thu, 31 May 2012 17:54:12 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 70E8E45DEB2 for ; Thu, 31 May 2012 17:54:12 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 63BE61DB8042 for ; Thu, 31 May 2012 17:54:12 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.240.81.147]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id E917D1DB8041 for ; Thu, 31 May 2012 17:54:11 +0900 (JST) Message-ID: <4FC73110.6010107@jp.fujitsu.com> Date: Thu, 31 May 2012 17:51:28 +0900 From: Kamezawa Hiroyuki MIME-Version: 1.0 Subject: Re: [PATCH] meminfo: show /proc/meminfo base on container's memcg References: <1338260214-21919-1-git-send-email-gaofeng@cn.fujitsu.com> <4FC6B68C.2070703@jp.fujitsu.com> <4FC6BC3E.5010807@jp.fujitsu.com> <4FC6C111.2060108@jp.fujitsu.com> <4FC6D881.4090706@jp.fujitsu.com> <4FC70355.70805@jp.fujitsu.com> <4FC70E5E.1010003@gmail.com> <4FC711A5.4090003@gmail.com> <4FC720EE.3010307@gmail.com> <4FC724B1.70508@cn.fujitsu.com> <4FC72CA4.6080708@parallels.com> In-Reply-To: <4FC72CA4.6080708@parallels.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Glauber Costa Cc: Gao feng , KOSAKI Motohiro , David Rientjes , hannes@cmpxchg.org, mhocko@suse.cz, bsingharora@gmail.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, containers@lists.linux-foundation.org (2012/05/31 17:32), Glauber Costa wrote: > On 05/31/2012 11:58 AM, Gao feng wrote: >>> > It's one of a option. But, I seriously doubt fuse can make simpler than kamezawa-san's >>> > idea. But yeah, I might NACK kamezawa-san's one if he will post ugly patch. >>> > >> It seams I should do some homework to make the implement beautifully. >> >> I think kamezawa-san's idea is more simpler. >> thanks for your advice. >> > > One think to keep in mind: A file in memcg does not need to follow the same format > of /proc/meminfo so we can bind mount. We should be able to reconstruct that in > userspace based on information available from the kernel. You can even collect that >from multiple locations, and *then* you bind mount. I'm sorry I couldn't fully understand. Could you explain more ? Do you mean - bind mount memory cgroup directory into the container for exporting information - Some user-space apps, FUSE-procfs or some, can provide enough information ? Thanks, -Kame -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org