Re: [PATCH] mountinfo: implement show_path for kernfs and cgroup

From: Tejun Heo
Date: Fri May 06 2016 - 13:42:42 EST


Hello,

On Fri, May 06, 2016 at 12:33:56PM -0500, Serge E. Hallyn wrote:
> Right. So in particular, docker wants to do something like:
>
> bindpath=`grep freezer /proc/self/mountinfo | tail -n 1 | awk '{ print $4 }'`
> mountpoint=`grep freezer /proc/self/mountinfo | tail -n 1 | awk '{ print $5 }'`
> mycg=`awk -F: '/freezer/ { print $3 }' /proc/self/cgroup`
> cat ${mountpoint}/${bindpath}/${mycg}/cgroup.procs
>
> and see its own task.

Can you please make the example more concrete? e.g. Use actual paths
and show what they show now vs. what they should.

Thanks.

--
tejun