From: Li Zefan <lizefan@huawei.com>
To: Tejun Heo <tj@kernel.org>
Cc: <containers@lists.linux-foundation.org>,
<cgroups@vger.kernel.org>, <bsingharora@gmail.com>,
<dhaval.giani@gmail.com>, Kay Sievers <kay.sievers@vrfy.org>,
<jpoimboe@redhat.com>, <berrange@redhat.com>,
<lpoetter@redhat.com>, <workman-devel@redhat.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: cgroup: status-quo and userland efforts
Date: Tue, 16 Apr 2013 19:17:17 +0800 [thread overview]
Message-ID: <516D333D.4040703@huawei.com> (raw)
In-Reply-To: <20130406012159.GA17159@mtj.dyndns.org>
On 2013/4/6 9:21, Tejun Heo wrote:
> Hello, guys.
>
> Status-quo
> ==========
>
> It's been about a year since I wrote up a summary on cgroup status quo
> and future plans. We're not there yet but much closer than we were
> before. At least the locking and object life-time management aren't
> crazy anymore and most controllers now support proper hierarchy
> although not all of them agree on how to treat inheritance.
>
> IIRC, the yet-to-be-converted ones are blk-throttle and perf. cpu
> needs to be updated so that it at least supports a similar mechanism
> as cfq-iosched for configuring ratio between tasks on an internal
> cgroup and its children. Also, we really should update how cpuset
> handles a cgroup becoming empty (no cpus or memory node left due to
> hot-unplug). It currently transfers all its tasks to the nearest
> ancestor with executing resources, which is an irreversible process
> which would affect all other co-mounted controllers. We probably want
> it to just take on the masks of the ancestor until its own executing
> resources become online again, and the new behavior should be gated
> behind a switch (Li, can you please look into this?).
>
Sure, I'll be working on sane hierarchy behavior for cpuset.
next prev parent reply other threads:[~2013-04-16 11:19 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-06 1:21 cgroup: status-quo and userland efforts Tejun Heo
2013-04-08 13:46 ` Glauber Costa
2013-04-08 18:00 ` [Workman-devel] " Vivek Goyal
2013-04-08 18:26 ` Tejun Heo
2013-04-08 23:32 ` Lennart Poettering
2013-04-09 7:37 ` Glauber Costa
2013-04-09 19:11 ` Tejun Heo
2013-04-08 17:59 ` [Workman-devel] " Vivek Goyal
2013-04-08 18:16 ` Tejun Heo
2013-04-08 18:49 ` Tejun Heo
2013-04-08 19:11 ` Vivek Goyal
2013-04-08 19:20 ` Tejun Heo
2013-04-08 19:46 ` Vivek Goyal
2013-04-08 20:02 ` Tejun Heo
2013-04-09 9:50 ` Daniel P. Berrange
2013-04-09 19:38 ` Tejun Heo
2013-04-09 19:46 ` Tejun Heo
2013-04-09 21:04 ` Serge Hallyn
2013-04-09 21:11 ` Tejun Heo
2013-04-16 11:17 ` Li Zefan [this message]
2013-04-16 17:10 ` Tejun Heo
2013-04-17 1:29 ` Li Zefan
2013-04-22 21:26 ` Tim Hockin
2013-04-22 21:41 ` Tejun Heo
2013-04-22 22:33 ` Tim Hockin
2013-06-22 23:13 ` Tim Hockin
2013-06-25 0:01 ` Tejun Heo
2013-06-25 4:07 ` Tim Hockin
2013-06-26 21:20 ` Tejun Heo
2013-06-27 0:06 ` Tim Hockin
2013-06-26 23:14 ` David Lang
2013-06-27 1:04 ` Tejun Heo
2013-06-27 3:42 ` Tim Hockin
2013-06-27 17:38 ` Tejun Heo
2013-06-27 20:46 ` Tim Hockin
2013-06-27 21:04 ` Tejun Heo
2013-06-28 18:44 ` Tim Hockin
2013-06-29 16:40 ` Tejun Heo
2015-03-03 21:53 ` Luke Leighton
2015-03-03 21:38 ` Luke Leighton
2015-03-03 21:17 ` Luke Leighton
2015-03-04 5:08 ` David Lang
2015-03-04 11:27 ` Luke Kenneth Casson Leighton
2015-03-04 20:08 ` David Lang
2013-06-27 5:45 ` Mike Galbraith
2013-06-27 13:22 ` Serge Hallyn
2013-06-27 15:29 ` Tim Hockin
2013-06-27 16:18 ` Serge Hallyn
2015-03-03 22:00 ` Luke Leighton
2013-06-27 17:48 ` Tejun Heo
2013-06-27 18:14 ` Serge Hallyn
2013-06-27 18:45 ` Tejun Heo
2013-06-27 18:51 ` Serge Hallyn
2013-06-27 18:52 ` Tejun Heo
2013-06-27 20:52 ` Tim Hockin
2015-03-03 22:08 ` Luke Leighton
2013-06-28 9:09 ` [Workman-devel] " Daniel P. Berrange
2013-06-28 15:53 ` Serge Hallyn
2013-06-28 18:58 ` Tim Hockin
2015-03-03 22:20 ` Luke Leighton
2013-06-27 18:01 ` Tejun Heo
2013-06-28 3:46 ` Mike Galbraith
2013-06-28 4:09 ` Tejun Heo
2013-06-28 4:49 ` Mike Galbraith
2013-06-28 5:01 ` Tejun Heo
2013-06-28 6:00 ` Mike Galbraith
2013-06-28 15:05 ` Michal Hocko
2013-06-28 18:01 ` [Workman-devel] " Vivek Goyal
2013-06-28 19:59 ` Daniel P. Berrange
2013-06-28 22:40 ` Serge Hallyn
2013-06-28 22:43 ` Tejun Heo
2013-06-30 18:38 ` Michal Hocko
2013-07-15 18:49 ` Vivek Goyal
2013-07-23 14:48 ` Michal Hocko
2013-06-28 18:30 ` Tejun Heo
2013-06-28 18:53 ` Tim Hockin
2013-06-29 1:48 ` Lennart Poettering
2013-06-29 3:05 ` Tim Hockin
2013-06-30 19:39 ` Lennart Poettering
2013-07-01 6:06 ` Tim Hockin
2013-07-02 23:57 ` Thomas Gleixner
2013-07-03 0:44 ` Kay Sievers
2013-07-03 7:37 ` Borislav Petkov
2013-07-03 9:30 ` Thomas Gleixner
2013-07-09 23:12 ` Jiri Kosina
2013-07-03 17:11 ` James Bottomley
2013-06-28 19:18 ` Andy Lutomirski
2013-06-28 19:36 ` Serge Hallyn
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