On Mon, Dec 17, 2018 at 8:37 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Fri, Dec 14, 2018 at 09:15:08AM -0800, Suren Baghdasaryan wrote:
> > @@ -358,28 +526,23 @@ static void psi_update_work(struct work_struct *work)
> > {
> > struct delayed_work *dwork;
> > struct psi_group *group;
> > + u64 next_update;
> >
> > dwork = to_delayed_work(work);
> > group = container_of(dwork, struct psi_group, clock_work);
> >
> > /*
> > + * Periodically fold the per-cpu times and feed samples
> > + * into the running averages.
> > */
> >
> > + psi_update(group);
> >
> > + /* Calculate closest update time */
> > + next_update = min(group->polling_next_update,
> > + group->avg_next_update);
> > + schedule_delayed_work(dwork, min(PSI_FREQ,
> > + nsecs_to_jiffies(next_update - sched_clock()) + 1));
>
> See, so I don't at _all_ like how there is no idle option..
Copy that. Will see what we can do to bring it back.
Thanks!
> > }
>
>
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