lkml.org 
[lkml]   [2017]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 2/2] cpufreq/schedutil: add rt utilization tracking
Date
add both cfs and rt utilization when selecting an OPP as rt can preempt and
steal cfs's running time
---
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
:if expand("%") == ""|browse confirm w|else|confirm w|endif
index 622eed1..bc292b92 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -164,7 +164,7 @@ 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
\
 
 \ /
  Last update: 2017-06-19 10:52    [W:0.040 / U:1.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site