From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: KAMEZAWA Hiroyuki
<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
Cc: Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [patch 6/6] mm: memcg: print statistics from live counters
Date: Thu, 17 May 2012 14:56:05 +0400 [thread overview]
Message-ID: <4FB4D945.7060108@parallels.com> (raw)
In-Reply-To: <4FB43FDB.6050300-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
On 05/17/2012 04:01 AM, KAMEZAWA Hiroyuki wrote:
> Hm...sorry. I(fujitsu) am now considering to add meminfo for memcg...,
>
> add an option to override /proc/meminfo if a task is in container or
> meminfo file somewhere.
> (Now, we cannot trust /usr/bin/free, /usr/bin/top etc...in a container.)
Yes, and all the previous times I tried to touch those, I think the
general agreement was to come up with some kind of fuse overlay that
would read information available from the kernel, and present it
correctly formatted through bind-mounts on the files of interest.
But that's mainly because we never reached agreement on how to make that
appear automatically from such tasks
WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [patch 6/6] mm: memcg: print statistics from live counters
Date: Thu, 17 May 2012 14:56:05 +0400 [thread overview]
Message-ID: <4FB4D945.7060108@parallels.com> (raw)
In-Reply-To: <4FB43FDB.6050300@jp.fujitsu.com>
On 05/17/2012 04:01 AM, KAMEZAWA Hiroyuki wrote:
> Hm...sorry. I(fujitsu) am now considering to add meminfo for memcg...,
>
> add an option to override /proc/meminfo if a task is in container or
> meminfo file somewhere.
> (Now, we cannot trust /usr/bin/free, /usr/bin/top etc...in a container.)
Yes, and all the previous times I tried to touch those, I think the
general agreement was to come up with some kind of fuse overlay that
would read information available from the kernel, and present it
correctly formatted through bind-mounts on the files of interest.
But that's mainly because we never reached agreement on how to make that
appear automatically from such tasks
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WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>, <cgroups@vger.kernel.org>,
<linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [patch 6/6] mm: memcg: print statistics from live counters
Date: Thu, 17 May 2012 14:56:05 +0400 [thread overview]
Message-ID: <4FB4D945.7060108@parallels.com> (raw)
In-Reply-To: <4FB43FDB.6050300@jp.fujitsu.com>
On 05/17/2012 04:01 AM, KAMEZAWA Hiroyuki wrote:
> Hm...sorry. I(fujitsu) am now considering to add meminfo for memcg...,
>
> add an option to override /proc/meminfo if a task is in container or
> meminfo file somewhere.
> (Now, we cannot trust /usr/bin/free, /usr/bin/top etc...in a container.)
Yes, and all the previous times I tried to touch those, I think the
general agreement was to come up with some kind of fuse overlay that
would read information available from the kernel, and present it
correctly formatted through bind-mounts on the files of interest.
But that's mainly because we never reached agreement on how to make that
appear automatically from such tasks
next prev parent reply other threads:[~2012-05-17 10:56 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-14 18:00 [patch 0/6] mm: memcg: statistics implementation cleanups Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
2012-05-14 18:00 ` [patch 2/6] mm: memcg: convert numa stat to read_seq_string interface Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
[not found] ` <1337018451-27359-3-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-15 14:43 ` Michal Hocko
2012-05-15 14:43 ` Michal Hocko
2012-05-15 14:43 ` Michal Hocko
2012-05-14 18:00 ` [patch 3/6] mm: memcg: print statistics directly to seq_file Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
[not found] ` <1337018451-27359-4-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-15 14:46 ` Michal Hocko
2012-05-15 14:46 ` Michal Hocko
2012-05-15 14:46 ` Michal Hocko
2012-05-14 18:00 ` [patch 4/6] mm: memcg: keep ratelimit counter separate from event counters Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
2012-05-15 14:58 ` Michal Hocko
2012-05-15 14:58 ` Michal Hocko
2012-05-14 18:00 ` [patch 5/6] mm: memcg: group swapped-out statistics counter logically Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
2012-05-15 15:04 ` Michal Hocko
2012-05-15 15:04 ` Michal Hocko
2012-05-14 18:00 ` [patch 6/6] mm: memcg: print statistics from live counters Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
[not found] ` <1337018451-27359-7-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-15 15:27 ` Michal Hocko
2012-05-15 15:27 ` Michal Hocko
2012-05-15 15:27 ` Michal Hocko
2012-05-16 23:01 ` Andrew Morton
2012-05-16 23:01 ` Andrew Morton
2012-05-16 23:01 ` Andrew Morton
[not found] ` <20120516160131.fecb5ddf.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2012-05-17 0:01 ` KAMEZAWA Hiroyuki
2012-05-17 0:01 ` KAMEZAWA Hiroyuki
2012-05-17 0:01 ` KAMEZAWA Hiroyuki
[not found] ` <4FB43FDB.6050300-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-05-17 10:56 ` Glauber Costa [this message]
2012-05-17 10:56 ` Glauber Costa
2012-05-17 10:56 ` Glauber Costa
[not found] ` <1337018451-27359-1-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-14 18:00 ` [patch 1/6] mm: memcg: remove obsolete statistics array boundary enum item Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
2012-05-14 18:00 ` Johannes Weiner
[not found] ` <1337018451-27359-2-git-send-email-hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-15 14:14 ` Michal Hocko
2012-05-15 14:14 ` Michal Hocko
2012-05-15 14:14 ` Michal Hocko
2012-05-15 0:19 ` [patch 0/6] mm: memcg: statistics implementation cleanups KAMEZAWA Hiroyuki
2012-05-15 0:19 ` KAMEZAWA Hiroyuki
2012-05-15 0:19 ` KAMEZAWA Hiroyuki
2012-05-15 11:03 ` Johannes Weiner
2012-05-15 11:03 ` Johannes Weiner
[not found] ` <20120515110302.GH1406-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-05-16 0:01 ` KAMEZAWA Hiroyuki
2012-05-16 0:01 ` KAMEZAWA Hiroyuki
2012-05-16 0:01 ` KAMEZAWA Hiroyuki
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