[RESEND PATCH v2 2/2] cpufreq/schedutil: add rt utilization tracking
From: Vincent Guittot
Date: Fri Aug 04 2017 - 09:40:52 EST
Add both cfs and rt utilization when selecting an OPP as rt can preempt and
steal cfs's running time.
Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
---
kernel/sched/cpufreq_schedutil.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 076a2e3..04fabea 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -161,7 +161,7 @@ static void sugov_get_util(unsigned long *util, unsigned long *max)
cfs_max = arch_scale_cpu_capacity(NULL, smp_processor_id());
- *util = min(rq->cfs.avg.util_avg, cfs_max);
+ *util = min(rq->cfs.avg.util_avg + rq->rt.avg.util_avg, cfs_max);
*max = cfs_max;
}
--
2.7.4