Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e635aa26 authored by Pavankumar Kondeti's avatar Pavankumar Kondeti
Browse files

sched/walt: Remove dependency on sd_asym_cpucapacity for task placement 



We have a separate implementation of find_energy_efficient_cpu() for
WALT. The task placement rely on CPU arrays and WALT load signals.
Hence remove sd_asym_cpucapacity checks and updates to PELT signals
from find_energy_efficient_cpu().

Change-Id: I20a186e7a10d1ab6ee5f502f5dbf2de14d7971d5
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent 0a4836e3

kernel/sched/fair.c

+0 −15
Original line number Diff line number Diff line
@@ -6926,7 +6926,6 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
	unsigned long prev_delta = ULONG_MAX, best_delta = ULONG_MAX;

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

	int weight, cpu = smp_processor_id(), best_energy_cpu = prev_cpu;

	struct sched_domain *sd;

	struct perf_domain *pd;

	unsigned long cur_energy;

	cpumask_t *candidates;
@@ -6981,20 +6980,6 @@ int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, 
	if (!pd)

		goto fail;



	/*

	 * Energy-aware wake-up happens on the lowest sched_domain starting

	 * from sd_asym_cpucapacity spanning over this_cpu and prev_cpu.

	 */

	sd = rcu_dereference(*this_cpu_ptr(&sd_asym_cpucapacity));

	while (sd && !cpumask_test_cpu(prev_cpu, sched_domain_span(sd)))

		sd = sd->parent;

	if (!sd)

		goto fail;



	sync_entity_load_avg(&p->se);

	if (!task_util_est(p))

		goto unlock;



	fbt_env.is_rtg = is_rtg;

	fbt_env.start_cpu = start_cpu;

	fbt_env.order_index = order_index;