cgroup: Add .__DEBUG__. prefix to debug file names

Clearly mark the debug files and hide them by default by prefixing
".__DEBUG__.".

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Waiman Long <longman@redhat.com>
This commit is contained in:
Tejun Heo 2018-11-13 12:06:41 -08:00
commit c1bbd933e5