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Commit eb486cc9 authored by Pavankumar Kondeti's avatar Pavankumar Kondeti
Browse files

sched: EAS: skip energy_diff() for placement boosted tasks 



We always want to migrate the placement boosted task to the
best CPU. Skip energy_diff() in such scenario.

Change-Id: I2afb9f877d19422744e3351d6580c2ce7188e2fa
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent 2d7dfcc3

include/trace/events/sched.h

+5 −0
Original line number Diff line number Diff line
@@ -881,6 +881,11 @@ DEFINE_EVENT(sched_task_util, sched_task_util_colocated, 
	TP_ARGS(p, task_cpu, task_util, nominated_cpu, target_cpu, ediff, need_idle)

);



DEFINE_EVENT(sched_task_util, sched_task_util_boosted,

	TP_PROTO(struct task_struct *p, int task_cpu, unsigned long task_util, int nominated_cpu, int target_cpu, int ediff, bool need_idle),

	TP_ARGS(p, task_cpu, task_util, nominated_cpu, target_cpu, ediff, need_idle)

);



DEFINE_EVENT(sched_task_util, sched_task_util_overutilzed,

	TP_PROTO(struct task_struct *p, int task_cpu, unsigned long task_util, int nominated_cpu, int target_cpu, int ediff, bool need_idle),

	TP_ARGS(p, task_cpu, task_util, nominated_cpu, target_cpu, ediff, need_idle)

kernel/sched/fair.c

+12 −0
Original line number Diff line number Diff line
@@ -7045,6 +7045,18 @@ static int energy_aware_wake_cpu(struct task_struct *p, int target, int sync) 
			return target_cpu;

		}



		/*

		 * We always want to migrate the task to the best CPU when

		 * placement boost is active.

		 */

		if (placement_boost) {

			trace_sched_task_util_boosted(p, task_cpu(p),

						task_util(p),

						target_cpu,

						target_cpu, 0, need_idle);

			return target_cpu;

		}



#ifdef CONFIG_SCHED_WALT

		if (walt_disabled || !sysctl_sched_use_walt_cpu_util)

			task_util_boosted = 0;