在 2022/1/6 上午4:47, Josh Don 写道: > On Wed, Jan 5, 2022 at 3:33 AM cruzzhao <cruzzhao@xxxxxxxxxxxxxxxxx> wrote: > > I don't see how this is very helpful for steal_cookie_task(), since it > isn't a targeted metric for that specific case. If you were interested > in that specifically, I'd think you'd want to look at more direct > metrics, such as task migration counts, or adding some > accounting/histogram for the time between steal and load balance away. > I've already read the patch "sched: CGroup tagging interface for core scheduling", but it hasn't been merged into linux-next. IMO it's better to do this at the cgroup level after the cgroup tagging interface is introduced. Best, Cruz Zhao > > That motivation makes more sense to me. Have you considered > accumulating this at the cgroup level (ie. attributing it as another > type of usage)?