Currently sched_avg_update() (which updates rt_avg stats in the rq)
is getting called from scale_rt_power() (in the load balance context)
which doesn't take rq->lock.
Fix it by moving the sched_avg_update() to more appropriate
update_cpu_load() where the CFS load gets updated as well.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <
1282596171.2694.3.camel@sbsiddha-MOBL3>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
static void sched_rt_avg_update(struct rq *rq, u64 rt_delta)
{
}
+
+static void sched_avg_update(struct rq *rq)
+{
+}
#endif /* CONFIG_SMP */
#if BITS_PER_LONG == 32
this_rq->cpu_load[i] = (old_load * (scale - 1) + new_load) >> i;
}
+
+ sched_avg_update(this_rq);
}
static void update_cpu_load_active(struct rq *this_rq)
struct rq *rq = cpu_rq(cpu);
u64 total, available;
- sched_avg_update(rq);
-
total = sched_avg_period() + (rq->clock - rq->age_stamp);
available = total - rq->rt_avg;