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Commit 59e635fb authored by Pavankumar Kondeti's avatar Pavankumar Kondeti Committed by Satya Durga Srinivasu Prabhala
Browse files

sched: Improve the scheduler 



This change is for general scheduler improvement.

Change-Id: Iea8e3a6f6b2d83a755b51674e08a1cadcc0247ba
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent b1544106

kernel/sched/walt.c

+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: