Messages in this thread | | | From | Steve Muckle <> | Date | Thu, 14 Jul 2016 11:00:14 -0700 | Subject | Re: [PATCH v3 0/3] cpufreq: avoid redundant driver calls in schedutil |
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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.
thanks, Steve
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