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Commit 1f925d3a authored by Satya Durga Srinivasu Prabhala's avatar Satya Durga Srinivasu Prabhala
Browse files

sched: walt/energy: use topology_get_cpu_scale to get the efficiency 



topology_get_cpu_scale can be used to get the efficiency instead of
relying on arch_get_cpu_efficiency.

Change-Id: I6b68f1bfb58edf7f6d6ab0f1a16fa226c6367eab
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent a447a2a0

kernel/sched/energy.c

+2 −2
Original line number Diff line number Diff line
@@ -173,7 +173,7 @@ static int sched_energy_probe(struct platform_device *pdev) 
	for_each_possible_cpu(cpu) {

		struct device *cpu_dev;

		struct dev_pm_opp *opp;

		int efficiency = cpu > 3 ? 1740 : 1024;

		int efficiency = topology_get_cpu_scale(NULL, cpu);



		max_efficiency = max(efficiency, max_efficiency);
@@ -209,7 +209,7 @@ static int sched_energy_probe(struct platform_device *pdev) 
	for_each_possible_cpu(cpu) {

		unsigned long cpu_max_cap;

		struct sched_group_energy *sge_l0, *sge;

		int efficiency = cpu > 3 ? 1740 : 1024;

		int efficiency = topology_get_cpu_scale(NULL, cpu);



		cpu_max_cap = DIV_ROUND_UP(SCHED_CAPACITY_SCALE *

					   max_frequencies[cpu], max_freq);

kernel/sched/walt.c

+1 −10
Original line number Diff line number Diff line
@@ -2026,13 +2026,6 @@ void mark_task_starting(struct task_struct *p) 
	update_task_cpu_cycles(p, cpu_of(rq));

}



unsigned long __weak arch_get_cpu_efficiency(int cpu)

{

	if (cpu > 3)

		return (SCHED_CAPACITY_SCALE * 17) / 10;

	return SCHED_CAPACITY_SCALE;

}



static cpumask_t all_cluster_cpus = CPU_MASK_NONE;

DECLARE_BITMAP(all_cluster_ids, NR_CPUS);

struct sched_cluster *sched_cluster[NR_CPUS];
@@ -2084,9 +2077,7 @@ static struct sched_cluster *alloc_new_cluster(const struct cpumask *cpus) 


	raw_spin_lock_init(&cluster->load_lock);

	cluster->cpus = *cpus;

	// FIXME:

	cluster->efficiency = arch_get_cpu_efficiency(cpumask_first(cpus));

	cluster->efficiency = 1024;

	cluster->efficiency = topology_get_cpu_scale(NULL, cpumask_first(cpus));



	if (cluster->efficiency > max_possible_efficiency)

		max_possible_efficiency = cluster->efficiency;