Hello, On Mon, Jul 08, 2024 at 03:01:39PM -0400, Waiman Long wrote: > That information is certainly useful to display to cgroup.stat which > currently only shows nr_descendants and nr_dying_descendants. So does > "nr_<subsys_name> <cnt>" for each cgroup subsystems look good to you or do > you have other suggestion? Yeah, something like that. Johannes, what do you think? > The reason for this patch is because I got a bug report about leaking blkio > cgroup due to the information shown in /proc/cgroups. I know you want do > deprecate it for cgroup v2. How about adding a iine like "# Deprecated for > cgroup v2, use cgroup.stats file for cgroup counts" at the top of > /proc/cgroups when cgroup v2 is active? I wonder whether that would break some parsers but we can try that and see what happens. Thanks. -- tejun