diff options
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 5d405283421..673992ec48b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3151,9 +3151,14 @@ static int __init hmp_cpu_mask_setup(void) * hmp_down_threshold: max. load allowed for tasks migrating to a slower cpu * The default values (512, 256) offer good responsiveness, but may need * tweaking suit particular needs. + * + * hmp_up_prio: Only up migrate task with high priority (<hmp_up_prio) */ unsigned int hmp_up_threshold = 512; unsigned int hmp_down_threshold = 256; +#ifdef CONFIG_SCHED_HMP_PRIO_FILTER +unsigned int hmp_up_prio = NICE_TO_PRIO(CONFIG_SCHED_HMP_PRIO_FILTER_VAL); +#endif static unsigned int hmp_up_migration(int cpu, struct sched_entity *se); static unsigned int hmp_down_migration(int cpu, struct sched_entity *se); @@ -5513,6 +5518,12 @@ static unsigned int hmp_up_migration(int cpu, struct sched_entity *se) if (hmp_cpu_is_fastest(cpu)) return 0; +#ifdef CONFIG_SCHED_HMP_PRIO_FILTER + /* Filter by task priority */ + if (p->prio >= hmp_up_prio) + return 0; +#endif + if (cpumask_intersects(&hmp_faster_domain(cpu)->cpus, tsk_cpus_allowed(p)) && se->avg.load_avg_ratio > hmp_up_threshold) { @@ -5529,6 +5540,12 @@ static unsigned int hmp_down_migration(int cpu, struct sched_entity *se) if (hmp_cpu_is_slowest(cpu)) return 0; +#ifdef CONFIG_SCHED_HMP_PRIO_FILTER + /* Filter by task priority */ + if (p->prio >= hmp_up_prio) + return 1; +#endif + if (cpumask_intersects(&hmp_slower_domain(cpu)->cpus, tsk_cpus_allowed(p)) && se->avg.load_avg_ratio < hmp_down_threshold) { |