diff options
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index cee1793e8277..25970dbbb279 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6437,6 +6437,16 @@ static void sync_throttle(struct task_group *tg, int cpu) cfs_rq->throttle_count = pcfs_rq->throttle_count; cfs_rq->throttled_clock_pelt = rq_clock_pelt(cpu_rq(cpu)); + + /* + * It is not enough to sync the "pelt_clock_throttled" indicator + * with the parent cfs_rq when the hierarchy is not queued. + * Always join a throttled hierarchy with PELT clock throttled + * and leaf it to the first enqueue, or distribution to + * unthrottle the PELT clock. + */ + if (cfs_rq->throttle_count) + cfs_rq->pelt_clock_throttled = 1; } /* conditionally throttle active cfs_rq's from put_prev_entity() */ @@ -13187,6 +13197,8 @@ static void propagate_entity_cfs_rq(struct sched_entity *se) if (!cfs_rq_pelt_clock_throttled(cfs_rq)) list_add_leaf_cfs_rq(cfs_rq); } + + assert_list_leaf_cfs_rq(rq_of(cfs_rq)); } #else /* !CONFIG_FAIR_GROUP_SCHED: */ static void propagate_entity_cfs_rq(struct sched_entity *se) { } |