On Sun, Feb 07, 2021 at 03:24:02PM +0800, Chengming Zhou wrote: > The FULL state doesn't exist for the CPU resource at the system level, > but exist at the cgroup level, means all non-idle tasks in a cgroup are > delayed on the CPU resource which used by others outside of the cgroup. > > Co-developed-by: Muchun Song <songmuc...@bytedance.com> > Signed-off-by: Muchun Song <songmuc...@bytedance.com> > Signed-off-by: Chengming Zhou <zhouchengm...@bytedance.com>
Acked-by: Johannes Weiner <han...@cmpxchg.org> That metric's come up in our production environment recently as well, it makes a lot of sense. In addition to outside competition, this also applies to downtimes enforced by cpu.max - another cgroup usecase that is worth mentioning in the changelog & code comment. Thanks