From: Tejun Heo <tj@kernel.org>
To: Waiman Long <longman@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cgroup: Show control files in cgroup2 root after mount
Date: Tue, 18 Jul 2017 17:06:58 -0400 [thread overview]
Message-ID: <20170718210658.GF3365493@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <20170718205009.GE3365493@devbig577.frc2.facebook.com>
On Tue, Jul 18, 2017 at 04:50:10PM -0400, Tejun Heo wrote:
> Heh, I'm really confused. If I do the same thing, I get the following
> result which makes sense as the files would be activated in
> cgroup_apply_cftypes() when the debug controller is registered during
> boot.
>
> # mkdir /cgroup2
> # mount -t cgroup2 cgroup2 /cgroup2
> # ls /cgroup2/
> cgroup.controllers debug.current_css_set
> cgroup.procs debug.current_css_set_cg_links
> cgroup.subtree_control debug.current_css_set_refcount
> cgroup.threads debug.masks
> debug.csses debug.taskcount
> debug.css_links
Never mind. I can repro after getting rid of some automatic umounts
from rc.local. Will find out what went wrong.
Thanks!
--
tejun
next prev parent reply other threads:[~2017-07-18 21:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-18 19:32 [PATCH] cgroup: Show control files in cgroup2 root after mount Waiman Long
2017-07-18 19:51 ` Tejun Heo
2017-07-18 20:00 ` Waiman Long
2017-07-18 20:12 ` Tejun Heo
2017-07-18 20:29 ` Waiman Long
2017-07-18 20:50 ` Tejun Heo
2017-07-18 21:06 ` Tejun Heo [this message]
2017-07-18 21:57 ` [PATCH cgroup/for-4.13-fixes] cgroup: create dfl_root files on subsys registration Tejun Heo
2017-07-18 22:09 ` Waiman Long
2017-07-18 22:11 ` Tejun Heo
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