diff mbox series

[v3,5/7] sched/fair: update cpu_capcity to reflect thermal pressure

Message ID 1571014705-19646-6-git-send-email-thara.gopinath@linaro.org
State Superseded
Headers show
Series Introduce Thermal Pressure | expand

Commit Message

Thara Gopinath Oct. 14, 2019, 12:58 a.m. UTC 
cpu_capacity relflects the maximum available capacity of a cpu. Thermal
pressure on a cpu means this maximum available capacity is reduced. This
patch reduces the average thermal pressure for a cpu from its maximum
available capacity so that cpu_capacity reflects the actual
available capacity.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>

---
 kernel/sched/fair.c | 1 +
 1 file changed, 1 insertion(+)

-- 
2.1.4
diff mbox series

Patch

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index fe7c165..cbc2208 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7719,6 +7719,7 @@  static unsigned long scale_rt_capacity(struct sched_domain *sd, int cpu)
 
 	used = READ_ONCE(rq->avg_rt.util_avg);
 	used += READ_ONCE(rq->avg_dl.util_avg);
+	used += READ_ONCE(rq->avg_thermal.load_avg);
 
 	if (unlikely(used >= max))
 		return 1;