Re: [PATCH 2/4 v4] sched/rt: add rt_rq utilization tracking
From: Peter Zijlstra
Date: Sat Apr 14 2018 - 06:05:33 EST
On Fri, Mar 16, 2018 at 12:25:39PM +0100, Vincent Guittot wrote:
> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> index 783eacf..a8003a9 100644
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
> @@ -592,6 +592,8 @@ struct rt_rq {
> unsigned long rt_nr_total;
> int overloaded;
> struct plist_head pushable_tasks;
> +
> + struct sched_avg avg;
We only want this for the root cgroup, right? So why is this per cgroup?
That is, I was expecting it to be rq::rt_avg or something.