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Commit e4a1aeec authored by Pavankumar Kondeti's avatar Pavankumar Kondeti
Browse files

sched/walt: Improve the scheduler 



This change is for general scheduler improvements.

Change-Id: I5f19453ec1a19c71d67a02c3f0ec9967e7673a4b
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent 1526c9c6

kernel/sched/fair.c

+6 −9
Original line number Diff line number Diff line
@@ -6890,7 +6890,6 @@ enum fastpaths { 
	NONE = 0,

	SYNC_WAKEUP,

	PREV_CPU_FASTPATH,

	MANY_WAKEUP,

};



static void find_best_target(struct sched_domain *sd, cpumask_t *cpus,
@@ -7686,8 +7685,13 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
	int delta = 0;

	int task_boost = per_task_boost(p);

	int boosted = (schedtune_task_boost(p) > 0) || (task_boost > 0);

	int start_cpu = get_start_cpu(p);

	int start_cpu;



	if (is_many_wakeup(sibling_count_hint) && prev_cpu != cpu &&

			cpumask_test_cpu(prev_cpu, &p->cpus_allowed))

		return prev_cpu;



	start_cpu = get_start_cpu(p);

	if (start_cpu < 0)

		goto eas_not_ready;
@@ -7714,13 +7718,6 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
		goto done;

	}



	if (is_many_wakeup(sibling_count_hint) && prev_cpu != cpu &&

				bias_to_this_cpu(p, prev_cpu, start_cpu)) {

		best_energy_cpu = prev_cpu;

		fbt_env.fastpath = MANY_WAKEUP;

		goto done;

	}



	rcu_read_lock();

	pd = rcu_dereference(rd->pd);

	if (!pd)