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Commit d0a6a9b7 authored by Pavankumar Kondeti's avatar Pavankumar Kondeti Committed by Gerrit - the friendly Code Review server
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sched/walt: Improve the scheduler 



This change is for general scheduler improvements.

Change-Id: I5f19453ec1a19c71d67a02c3f0ec9967e7673a4b
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
[satyap@codeaurora.org: fix trivial merge conflicts]
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent b1250b5c

kernel/sched/fair.c

+3 −8
Original line number Diff line number Diff line
@@ -6499,7 +6499,6 @@ enum fastpaths { 
	NONE = 0,

	SYNC_WAKEUP,

	PREV_CPU_FASTPATH,

	MANY_WAKEUP,

};



static void walt_find_best_target(struct sched_domain *sd, cpumask_t *cpus,
@@ -6950,6 +6949,9 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
	bool boosted = is_uclamp_boosted || (task_boost > 0);

	int start_cpu, order_index, end_index;



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

			cpumask_test_cpu(prev_cpu, &p->cpus_mask))

		return prev_cpu;



	if (unlikely(!cpu_array))

		goto eas_not_ready;
@@ -6979,13 +6981,6 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
		goto done;

	}



	if (walt_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)