Hello, Konstantin. On Mon, Aug 13, 2018 at 09:58:05AM +0300, Konstantin Khlebnikov wrote: > After removing cgroup subsystem state could leak or live in background > forever because it is pinned by some reference. For example memory cgroup > could be pinned by pages in cache or tmpfs. > > This patch adds common debugfs interface for listing basic state for each > controller. Controller could define callback for dumping own attributes. > > In file /sys/kernel/debug/cgroup/<controller> each line shows state in > format: <common_attr>=<value>... [-- <controller_attr>=<value>... ] Seems pretty useful to me. Roman, Johannes, what do you guys think? Thanks. -- tejun