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Commit 89986132 authored by Lingutla Chandrasekhar's avatar Lingutla Chandrasekhar
Browse files

sched: fair: Improve the scheduler 



This change is for general scheduler improvement.

Change-Id: I3b439bd96700ad26b0d3a8b3b465f1c05b18f05d
Signed-off-by: default avatarLingutla Chandrasekhar <clingutla@codeaurora.org>
parent 2b85740d

kernel/sched/fair.c

+3 −1
Original line number Diff line number Diff line
@@ -3937,6 +3937,7 @@ struct find_best_target_env { 
	bool is_rtg;

	int placement_boost;

	bool need_idle;

	bool boosted;

	int fastpath;

	int start_cpu;

};
@@ -6872,7 +6873,7 @@ static void find_best_target(struct sched_domain *sd, cpumask_t *cpus, 
	unsigned long best_active_cuml_util = ULONG_MAX;

	unsigned long best_idle_cuml_util = ULONG_MAX;

	bool prefer_idle = schedtune_prefer_idle(p);

	bool boosted = schedtune_task_boost(p) > 0 || per_task_boost(p) > 0;

	bool boosted = fbt_env->boosted;

	/* Initialise with deepest possible cstate (INT_MAX) */

	int shallowest_idle_cstate = INT_MAX;

	struct sched_domain *start_sd;
@@ -7650,6 +7651,7 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, int sy 
		fbt_env.placement_boost = placement_boost;

		fbt_env.need_idle = need_idle;

		fbt_env.start_cpu = start_cpu;

		fbt_env.boosted = boosted;



		find_best_target(NULL, candidates, p, &fbt_env);

	} else {