diff options
| -rw-r--r-- | kernel/sched/fair.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 124cb6ec6b7b..4c18ef6c1542 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6166,6 +6166,8 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t if (!this_sd) return -1; + cpumask_and(cpus, sched_domain_span(sd), p->cpus_ptr); + if (sched_feat(SIS_PROP)) { u64 avg_cost, avg_idle, span_avg; @@ -6181,11 +6183,9 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t nr = div_u64(span_avg, avg_cost); else nr = 4; - } - - time = cpu_clock(this); - cpumask_and(cpus, sched_domain_span(sd), p->cpus_ptr); + time = cpu_clock(this); + } for_each_cpu_wrap(cpu, cpus, target) { if (!--nr) @@ -6194,8 +6194,10 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t break; } - time = cpu_clock(this) - time; - update_avg(&this_sd->avg_scan_cost, time); + if (sched_feat(SIS_PROP)) { + time = cpu_clock(this) - time; + update_avg(&this_sd->avg_scan_cost, time); + } return cpu; } |