Re: [RFC v2 3/7] Improve the tracking of active utilisation

Peter Zijlstra
2016-04-05T14:48:06Z

On Fri, Apr 01, 2016 at 05:12:29PM +0200, Luca Abeni wrote:
> + /*
> + * We cannot use inactive_task_timer() to invoke sub_running_bw()
> + * at the 0-lag time, because the task could have been migrated
> + * while SCHED_OTHER in the meanwhile.
> + */
> + if (hrtimer_active(&p->dl.inactive_timer) &&
> + !hrtimer_callback_running(&p->dl.inactive_timer))
> sub_running_bw(&p->dl, &rq->dl);

hrtimer_is_queued() ?