lkml.org 
[lkml]   [2016]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [Update][PATCH v7 7/7] cpufreq: schedutil: New governor based on scheduler utilization data
From
Date
On 04/01/2016 12:14 PM, Rafael J. Wysocki wrote:
> On Fri, Apr 1, 2016 at 7:49 PM, Steve Muckle <steve.muckle@linaro.org> wrote:
>> On 03/29/2016 07:00 PM, Rafael J. Wysocki wrote:
>> ...
>>> +config CPU_FREQ_GOV_SCHEDUTIL
>>> + tristate "'schedutil' cpufreq policy governor"
>>> + depends on CPU_FREQ
>>> + select CPU_FREQ_GOV_ATTR_SET
>>> + select IRQ_WORK
>>> + help
>>> + This governor makes decisions based on the utilization data provided
>>> + by the scheduler. It sets the CPU frequency to be proportional to
>>> + the utilization/capacity ratio coming from the scheduler. If the
>>> + utilization is frequency-invariant, the new frequency is also
>>> + proportional to the maximum available frequency. If that is not the
>>> + case, it is proportional to the current frequency of the CPU with the
>>> + tipping point at utilization/capacity equal to 80%.
>>
>> This help text implies that the tipping point of 80% applies only to
>> non-frequency invariant configurations, rather than both. Possible to
>> rephrase?
>
> Sure.
>
> What about:
>
> "If that is not the case, it is proportional to the current frequency
> of the CPU. The frequency tipping point is at utilization/capacity
> equal to 80% in both cases."

LGTM

thanks,
Steve

\
 
 \ /
  Last update: 2016-04-01 22:01    [W:0.123 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site