[lkml]   [2016]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v3 0/3] cpufreq: avoid redundant driver calls in schedutil
On Thu, Jul 14, 2016 at 06:02:31PM +0800, Pingbo Wen wrote:
> > Steve Muckle (3):
> > cpufreq: add cpufreq_driver_resolve_freq()
> > cpufreq: schedutil: map raw required frequency to driver frequency
> Tested the first two patches on db410c, only waking up irq_work 53
> times, while previous was 257 times(79% decrease) in Android home idle
> for 5 minutes.

Thanks Pingbo. My experience measuring the number of calls into the acpi
cpufreq fast switch path was similar. An arbitrary system workload I
chose showed a ~75% reduction in calls.


 \ /
  Last update: 2016-07-14 20:41    [W:0.078 / U:4.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site