From: ccmail111 <ccmail111-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>
To: Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: cgroup tasks file error
Date: Tue, 14 Dec 2010 10:22:32 -0800 (PST) [thread overview]
Message-ID: <478906.58374.qm@web34205.mail.mud.yahoo.com> (raw)
In-Reply-To: <AANLkTi=gR2JVXf0uidRMZo7s88th1wu-4+AbC0ZwRUJk-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
--- On Tue, 12/14/10, Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> wrote:
> From: Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
> Subject: Re: cgroup tasks file error
> To: "ccmail111" <ccmail111-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>
> Cc: "Jue Hong" <honshj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
> Date: Tuesday, December 14, 2010, 12:41 PM
> On Tue, Dec 14, 2010 at 11:03 PM,
> ccmail111 <ccmail111-/E1597aS9LQAvxtiuMwx3w@public.gmane.org>
> wrote:
> >
> > Isn't ns mounted by default ?
> > I rebooted machine,
> > based on 2.6.32 kernel.
> >
> > Then,
> >
> > [host:~]$ mkdir /dev/cgroup
> > [host:~]$ mount -t cgroup cpuset -ocpuset,ns
> /dev/cgroup
> > [host:~]$ ps aux | grep libvirt
> > root 575 0.6 0.9 88816 2216 ?
> Sl 17:28 0:00 myproc --daemon
> > root 654 0.0 0.2 4044 664 ttyS0
> S+ 17:29 0:00 grep libvirt
> > [host:~]$ mkdir /dev/cgroup/hello
> > [host:~]$ cat /dev/cgroup/hello/tasks
> > [host:~]$ echo 0 > /dev/cgroup/hello/cpuset.cpus
> > [host:~]$ echo 0 > /dev/cgroup/hello/cpuset.mems
>
> Can you paste the output of
>
> cat /dev/cgroup/hello/cpuset.cpus and mems.
>
> Also please paste the o/p of /dev/cgroup/cpuset.cpus and
> mems
>
> > [host:~]$ echo 575 > /dev/cgroup/hello/tasks
> > [host:~]$ cat /dev/cgroup/hello/tasks
> > 575
> > [host:~]$ id
> > uid=0(root) gid=0(root) groups=0(root)
> > [host:~]$
> >
> > Now, I try to move the task out - the parent/root:
> >
> > [host:~]$ echo 575 > /dev/cgroup/tasks
> > -bash: echo: write error: Operation not permitted
>
> can you send us the o/p of
>
> ls -al /dev/cgroup
>
> and ls -al /dev/cgroup/hello
>
> Balbir
>
----
Please find output requested below:
[host:~]$ mkdir /dev/cgroup/hello
[host:~]$ cat /dev/cgroup/hello/tasks
[host:~]$ echo 0 > /dev/cgroup/hello/cpuset.cpus
[host:~]$ echo 0 > /dev/cgroup/hello/cpuset.mems
[host:~]$ echo 575 > /dev/cgroup/hello/tasks
[host:~]$ cat /dev/cgroup/hello/tasks
575
[host:~]$ id
uid=0(root) gid=0(root) groups=0(root)
[host:~]$ echo 575 > /dev/cgroup/tasks
-bash: echo: write error: Operation not permitted
[host:~]$ cat /dev/cgroup/hello/cpuset.cpus
0
[host:~]$ cat /dev/cgroup/hello/cpuset.mems
0
[host:~]$ cat /dev/cgroup/cpuset.mems
0
[host:~]$ cat /dev/cgroup/cpuset.cpus
0
[host:~]$ ls -al /dev/cgroup/
total 0
drwxr-xr-x 3 root root 0 Dec 14 17:29 .
drwxr-xr-x 11 root root 2980 Dec 14 17:29 ..
-r--r--r-- 1 root root 0 Dec 14 17:29 cgroup.procs
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.cpu_exclusive
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.cpus
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.mem_exclusive
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.mem_hardwall
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_migrate
-r--r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_pressure
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_pressure_enabled
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_spread_page
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_spread_slab
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.mems
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.sched_load_balance
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.sched_relax_domain_level
drwxr-xr-x 2 root root 0 Dec 14 17:29 hello
-rw-r--r-- 1 root root 0 Dec 14 17:29 notify_on_release
-rw-r--r-- 1 root root 0 Dec 14 17:29 release_agent
-rw-r--r-- 1 root root 0 Dec 14 17:31 tasks
[host:~]$ ls -al /dev/cgroup/hello/
total 0
drwxr-xr-x 2 root root 0 Dec 14 17:29 .
drwxr-xr-x 3 root root 0 Dec 14 17:29 ..
-r--r--r-- 1 root root 0 Dec 14 17:29 cgroup.procs
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.cpu_exclusive
-rw-r--r-- 1 root root 0 Dec 14 17:30 cpuset.cpus
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.mem_exclusive
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.mem_hardwall
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_migrate
-r--r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_pressure
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_spread_page
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.memory_spread_slab
-rw-r--r-- 1 root root 0 Dec 14 17:30 cpuset.mems
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.sched_load_balance
-rw-r--r-- 1 root root 0 Dec 14 17:29 cpuset.sched_relax_domain_level
-rw-r--r-- 1 root root 0 Dec 14 17:29 notify_on_release
-rw-r--r-- 1 root root 0 Dec 14 17:30 tasks
[host:~]$ id
uid=0(root) gid=0(root) groups=0(root)
[host:~]$
next prev parent reply other threads:[~2010-12-14 18:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-13 22:25 cgroup tasks file error ccmail111
[not found] ` <149701.57773.qm-VjZBGxy5l2evuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-13 23:16 ` Serge E. Hallyn
[not found] ` <20101213231628.GA8624-A9i7LUbDfNHQT0dZR+AlfA@public.gmane.org>
2010-12-14 1:02 ` Matt Helsley
[not found] ` <20101214010243.GC26523-52DBMbEzqgQ/wnmkkaCWp/UQ3DHhIser@public.gmane.org>
2010-12-14 7:28 ` ccmail111
[not found] ` <464217.68381.qm-VjZBGxy5l2evuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-14 9:39 ` Jue Hong
[not found] ` <AANLkTi=tpq0Jo9WAd5eu=fP2bLaSG6iLpHtAVR1xe=Ub-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-14 17:33 ` ccmail111
[not found] ` <166364.22607.qm-VjZBGxy5l2evuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-14 17:40 ` Serge Hallyn
2010-12-14 19:23 ` ccmail111
2010-12-14 17:41 ` Balbir Singh
[not found] ` <AANLkTi=gR2JVXf0uidRMZo7s88th1wu-4+AbC0ZwRUJk-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-14 18:22 ` ccmail111 [this message]
[not found] ` <478906.58374.qm-NvXQCeNhX6ivuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-15 17:51 ` Balbir Singh
[not found] ` <20101215175158.GB9587-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2010-12-15 22:08 ` ccmail111
2010-12-14 1:23 ` ccmail111
-- strict thread matches above, loose matches on Subject: below --
2010-12-14 1:27 ccmail111
[not found] ` <478892.90636.qm-m6GApcO8MwWvuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-14 1:34 ` Li Zefan
[not found] ` <4D06C996.9010101-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2010-12-14 2:50 ` ccmail111
[not found] ` <903526.98695.qm-I5qWG7eNxUOvuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org>
2010-12-14 17:13 ` Serge E. Hallyn
2010-12-14 9:31 ` Greg Kurz
[not found] ` <4D07398D.9050002-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2010-12-14 17:17 ` ccmail111
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