diff options
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 0c121d8bd4c5..2315fbfcd64d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -440,6 +440,7 @@ struct cpu_cycle { #define for_each_sched_cluster(cluster) \ list_for_each_entry_rcu(cluster, &cluster_head, list) +extern unsigned int sched_disable_window_stats; #endif /* CONFIG_SCHED_HMP */ /* CFS-related fields in a runqueue */ @@ -792,6 +793,7 @@ struct rq { int cstate, wakeup_latency, wakeup_energy; u64 window_start; + u64 load_reported_window; unsigned long hmp_flags; u64 cur_irqload; @@ -2852,6 +2854,18 @@ static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) { struct update_util_data *data; +#ifdef CONFIG_SCHED_HMP + /* + * Skip if we've already reported, but not if this is an inter-cluster + * migration + */ + if (!sched_disable_window_stats && + (rq->load_reported_window == rq->window_start) && + !(flags & SCHED_CPUFREQ_INTERCLUSTER_MIG)) + return; + rq->load_reported_window = rq->window_start; +#endif + data = rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data)); if (data) data->func(data, rq_clock(rq), flags); |