diff options
| author | Vincent Guittot <vincent.guittot@linaro.org> | 2015-10-20 10:46:26 +0200 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2016-04-13 11:44:18 +0100 |
| commit | e7d1c85d8f26b8d6a3515cc4e18066c86e2a600f (patch) | |
| tree | d600972364682b2a85318c840e4b68d45d617b7e /kernel | |
| parent | 5ec66cf6954cb2c4aaf5ffb8f46da55d04a6d228 (diff) | |
sched: remove call of sched_avg_update from sched_rt_avg_update
rt_avg is only used to scale the available CPU's capacity for CFS
tasks. As the update of this scaling is done during periodic load
balance, we only have to ensure that sched_avg_update has been called
before any periodic load balancing. This requirement is already
fulfilled by __update_cpu_load so the call in sched_rt_avg_update,
which is part of the hotpath, is useless.
Change-Id: I65a8c9be85164a7c1b39be5380e8807c49db850b
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Steve Muckle <smuckle@linaro.org>
(am from https://patchwork.kernel.org/patch/7804851/)
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/sched.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 92e71c396cea..d59427ccdee1 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1563,7 +1563,6 @@ static inline void set_dl_cpu_capacity(int cpu, bool request, static inline void sched_rt_avg_update(struct rq *rq, u64 rt_delta) { rq->rt_avg += rt_delta * arch_scale_freq_capacity(NULL, cpu_of(rq)); - sched_avg_update(rq); } #else static inline void sched_rt_avg_update(struct rq *rq, u64 rt_delta) { } |