Merge "sched: Improve the scheduler" (1c65a072) · Commits · e / devices / android_kernel_oneplus_sm8150

kernel/sched/core.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -783,6 +783,10 @@ static inline void dequeue_task(struct rq rq, struct task_struct p, int flags)
		sched_info_dequeued(rq, p);

		p->sched_class->dequeue_task(rq, p, flags);
		#ifdef CONFIG_SCHED_WALT
		if (p == rq->ed_task)
		early_detection_notify(rq, ktime_get_ns());
		#endif
		trace_sched_enq_deq_task(p, 0, cpumask_bits(&p->cpus_allowed)[0]);
		}

+8 −1

Original line number	Diff line number	Diff line
		@@ -313,6 +313,11 @@ void clear_ed_task(struct task_struct p, struct rq rq)
		rq->ed_task = NULL;
		}

		static inline bool is_ed_task(struct task_struct *p, u64 wallclock)
		{
		return (wallclock - p->last_wake_ts >= EARLY_DETECTION_DURATION);
		}

		bool early_detection_notify(struct rq *rq, u64 wallclock)
		{
		struct task_struct *p;
		@@ -327,7 +332,7 @@ bool early_detection_notify(struct rq *rq, u64 wallclock)
		if (!loop_max)
		break;

		if (wallclock - p->last_wake_ts >= EARLY_DETECTION_DURATION) {
		if (is_ed_task(p, wallclock)) {
		rq->ed_task = p;
		return 1;
		}
		@@ -828,6 +833,8 @@ void fixup_busy_time(struct task_struct *p, int new_cpu)
		if (p == src_rq->ed_task) {
		src_rq->ed_task = NULL;
		dest_rq->ed_task = p;
		} else if (is_ed_task(p, wallclock)) {
		dest_rq->ed_task = p;
		}

		done: