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Commit 1020387f authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
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sched: rt-group: reduce rescheduling 



Only reschedule if the new group has a higher prio task.

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 37bb6cb4

kernel/sched_rt.c

+4 −1
Original line number Diff line number Diff line
@@ -94,8 +94,11 @@ static void sched_rt_ratio_enqueue(struct rt_rq *rt_rq) 
	struct sched_rt_entity *rt_se = rt_rq->rt_se;



	if (rt_se && !on_rt_rq(rt_se) && rt_rq->rt_nr_running) {

		struct task_struct *curr = rq_of_rt_rq(rt_rq)->curr;



		enqueue_rt_entity(rt_se);

		resched_task(rq_of_rt_rq(rt_rq)->curr);

		if (rt_rq->highest_prio < curr->prio)

			resched_task(curr);

	}

}