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Commit fe35672a authored by Kishore Sri venkata Ganesh Bolisetty's avatar Kishore Sri venkata Ganesh Bolisetty
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sched/walt: Improve the scheduler 



This change is for general scheduler improvement.

Change-Id: I4d860d155697178feaed9c6418bf9fa1f773180c
Signed-off-by: default avatarKishore Sri venkata Ganesh Bolisetty <bsrivenk@codeaurora.org>
Signed-off-by: default avatarAbhijeet Dharmapurikar <adharmap@codeaurora.org>
parent aeafb182

kernel/sched/fair.c

+21 −0
Original line number Diff line number Diff line
@@ -8197,6 +8197,27 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env) 
		return 0;

	}



#ifdef CONFIG_SCHED_WALT

	if ((env->idle == CPU_NEWLY_IDLE) &&

		is_min_capacity_cpu(env->dst_cpu) &&

		!is_min_capacity_cpu(env->src_cpu) &&

		walt_get_rtg_status(p)) {

		bool pull_to_silver_allowed = false;

		unsigned int cpu;



		for_each_cpu(cpu, env->cpus) {

			if (!is_min_capacity_cpu(cpu) &&

				cpu_overutilized(cpu)) {

				pull_to_silver_allowed = true;

				break;

			}

		}



		if (!pull_to_silver_allowed)

			return 0;

	}

#endif



	/*

	 * Aggressive migration if:

	 * 1) IDLE or NEWLY_IDLE balance.