--- On Tue, 12/14/10, Balbir Singh <[email protected]> wrote:
> From: Balbir Singh <[email protected]> > Subject: Re: cgroup tasks file error > To: "ccmail111" <[email protected]> > Cc: "Jue Hong" <[email protected]>, [email protected] > Date: Tuesday, December 14, 2010, 12:41 PM > On Tue, Dec 14, 2010 at 11:03 PM, > ccmail111 <[email protected]> > 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:~]$ _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
