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-rw-r--r--kernel/sched/fair.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 16d67f9b6955..8c5468fcf10d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1087,8 +1087,14 @@ static inline void update_entity_load_avg(struct sched_entity *se)
__update_entity_runnable_avg(rq_of(cfs_rq_of(se))->clock_task, &se->avg,
se->on_rq);
}
+
+static inline void update_rq_runnable_avg(struct rq *rq, int runnable)
+{
+ __update_entity_runnable_avg(rq->clock_task, &rq->avg, runnable);
+}
#else
static inline void update_entity_load_avg(struct sched_entity *se) {}
+static inline void update_rq_runnable_avg(struct rq *rq, int runnable) {}
#endif
static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se)
@@ -2340,8 +2346,10 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
update_cfs_shares(cfs_rq);
}
- if (!se)
+ if (!se) {
+ update_rq_runnable_avg(rq, rq->nr_running);
inc_nr_running(rq);
+ }
hrtick_update(rq);
}
@@ -2399,8 +2407,10 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
update_cfs_shares(cfs_rq);
}
- if (!se)
+ if (!se) {
dec_nr_running(rq);
+ update_rq_runnable_avg(rq, 1);
+ }
hrtick_update(rq);
}
@@ -4586,6 +4596,8 @@ void idle_balance(int this_cpu, struct rq *this_rq)
if (this_rq->avg_idle < sysctl_sched_migration_cost)
return;
+ update_rq_runnable_avg(this_rq, 1);
+
/*
* Drop the rq->lock, but keep IRQ/preempt disabled.
*/
@@ -5083,6 +5095,8 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued)
cfs_rq = cfs_rq_of(se);
entity_tick(cfs_rq, se, queued);
}
+
+ update_rq_runnable_avg(rq, 1);
}
/*