[PATCH] cgroup: don't show pid list on tasks/procs in ascending order

[Serge Hallyn]

Quoting Jeff Liu (jeff.liu at oracle.com):
> On 01/15/2013 02:25 PM, Serge Hallyn wrote:
> > Quoting Jeff Liu (jeff.liu at oracle.com):
> >> Hello,
> >>
> >> Currently, the pid list shown on cgroup->procs & tasks is in ascending order.  However, this list is not
> >> guaranteed to be sorted according to the following records mentioned at Documentation/cgroups/cgroups.txt.
> >>
> >>  - tasks: list of tasks (by PID) attached to that cgroup.  This list
> >>    is not guaranteed to be sorted. 
> >>  - cgroup.procs: list of thread group IDs in the cgroup.  This list is
> >>    not guaranteed to be sorted or free of duplicate TGIDs, and userspace
> >>    should sort/uniquify the list if this property is required.
> >>
> >> This patch remove the sorting function to make the default behavior of pid list be consistent with
> >> the document.

...

I've gotta say, as someone who tends to play with those files by hand, I
don't mind not having to type | sort | uniq every time.

-serge