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Commit 42b63350 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "Sched/fair: Improve the scheduler"

parents 9b95007a f66875fb

kernel/sched/fair.c

+10 −2
Original line number Diff line number Diff line
@@ -6764,6 +6764,7 @@ static int get_start_cpu(struct task_struct *p) 
{

	struct root_domain *rd = cpu_rq(smp_processor_id())->rd;

	int start_cpu = rd->min_cap_orig_cpu;

	int task_boost = per_task_boost(p);

	bool boosted = schedtune_task_boost(p) > 0 ||

			task_boost_policy(p) == SCHED_BOOST_ON_BIG;

	bool task_skip_min = task_skip_min_cpu(p);
@@ -6773,10 +6774,16 @@ static int get_start_cpu(struct task_struct *p) 
	 * or just mid will be -1, there never be any other combinations of -1s

	 * beyond these

	 */

	if (task_skip_min || boosted) {

	if (task_skip_min || boosted || task_boost == 1) {

		start_cpu = rd->mid_cap_orig_cpu == -1 ?

			rd->max_cap_orig_cpu : rd->mid_cap_orig_cpu;

	}



	if (task_boost == 2) {

		start_cpu = rd->max_cap_orig_cpu;

		return start_cpu;

	}



	if (start_cpu == -1 || start_cpu == rd->max_cap_orig_cpu)

		return start_cpu;
@@ -7539,7 +7546,8 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, int sy 
	int placement_boost = task_boost_policy(p);

	u64 start_t = 0;

	int delta = 0;

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

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

				(per_task_boost(p) > 0);

	int start_cpu = get_start_cpu(p);



	if (start_cpu < 0)