From mboxrd@z Thu Jan  1 00:00:00 1970
From: Li Zefan <lizf-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
Subject: Re: cgroup debug seems dead?
Date: Wed, 20 Oct 2010 09:43:06 +0800
Message-ID: <4CBE492A.3020208@cn.fujitsu.com>
References: <20101019085139.1ccb22bc@nehalam>	<4CBE41AE.2020101@cn.fujitsu.com>	<20101019181245.7902113a@nehalam>	<AANLkTinH2t41jvGG_D9qAdN5MvRHg7aR+J2mKV5ifMfC@mail.gmail.com>
	<20101019183705.04a11816@nehalam>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
In-Reply-To: <20101019183705.04a11816@nehalam>
List-Unsubscribe: <https://lists.linux-foundation.org/mailman/listinfo/containers>,
	<mailto:containers-request-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org?subject=unsubscribe>
List-Archive: <http://lists.linux-foundation.org/pipermail/containers>
List-Post: <mailto:containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
List-Help: <mailto:containers-request-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org?subject=help>
List-Subscribe: <https://lists.linux-foundation.org/mailman/listinfo/containers>,
	<mailto:containers-request-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org?subject=subscribe>
Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
To: Stephen Hemminger <shemminger-ZtmgI6mnKB3QT0dZR+AlfA@public.gmane.org>
Cc: Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
List-Id: containers.vger.kernel.org

Stephen Hemminger wrote:
> On Tue, 19 Oct 2010 18:14:10 -0700
> Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> wrote:
> 
>> On Tue, Oct 19, 2010 at 6:12 PM, Stephen Hemminger
>> <shemminger-ZtmgI6mnKB3QT0dZR+AlfA@public.gmane.org> wrote:
>>> Where is it stored in an array?
>>>
>>> ~/kernel/linux-2.6$ git grep debug_subsys
>>> kernel/cgroup.c:        kfree(cont->subsys[debug_subsys_id]);
>>> kernel/cgroup.c:struct cgroup_subsys debug_subsys = {
>>> kernel/cgroup.c:        .subsys_id = debug_subsys_id,
>> It's via the include of cgroup_subsys.h at the start of kernel/cgroup.c
>>
>> Paul
> 
> That would work but doesn't because the following is missing
> in cgroup_subsys.h!

It's there in cgroup_subsys.h (2.6.36-rc8). What kernel are you using?

#ifdef CONFIG_CPUSETS
SUBSYS(cpuset)
#endif

/* */

#ifdef CONFIG_CGROUP_DEBUG
SUBSYS(debug)
#endif

/* */

#ifdef CONFIG_CGROUP_NS
SUBSYS(ns)
#endif

> 
> #ifdef CONFIG_CGROUP_DEBUG
> SUBSYS(debug)
> #endif
>