Re: [PATCH v2] sched/core: forced idle accounting

[Josh Don]

On Tue, Nov 9, 2021 at 3:15 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Mon, Oct 18, 2021 at 01:34:28PM -0700, Josh Don wrote:
> > @@ -5804,6 +5830,12 @@ pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
> >               }
> >       }
> >
> > +     if (rq->core->core_forceidle_count) {
>
> Does this want to be something like:
>
>         if (schedstat_enabled() && .. ) ?
>
> afaict without schedstat on this is dead code.
>

Makes sense to me, and similarly we can bail out of sched_core_tick()
early in the disabled case.