Re: [PATCH 1/2] sched/fair: Remove SCHED_FEAT(UTIL_EST_FASTUP, true)

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On Fri, 1 Dec 2023 at 03:16, Tang Yizhou <yizhou.tang@xxxxxxxxxx> wrote:
>
> On Fri, Dec 1, 2023 at 4:30 AM Hongyan Xia <hongyan.xia2@xxxxxxx> wrote:
> >
> > Here it is in case you have to provide the translation:
> >
> > diff --git a/Documentation/translations/zh_CN/scheduler/schedutil.rst
> > b/Documentation/translations/zh_CN/scheduler/schedutil.rst
> > index d1ea68007520..7c8d87f21c42 100644
> > --- a/Documentation/translations/zh_CN/scheduler/schedutil.rst
> > +++ b/Documentation/translations/zh_CN/scheduler/schedutil.rst
> > @@ -89,16 +89,15 @@
> > r_cpu被定义为当前CPU的最高性能水平与系统中任何其它CPU的最
> >    - Documentation/translations/zh_CN/scheduler/sched-capacity.rst:"1.
> > CPU Capacity + 2. Task utilization"
> >
> >
> > -UTIL_EST / UTIL_EST_FASTUP
> > -==========================
> > +UTIL_EST
> > +========
> >
> >
> > 由于周期性任务的平均数在睡眠时会衰减,而在运行时其预期利用率会和睡眠前相同,
> >   因此它们在再次运行后会面临(DVFS)的上涨。
> >
> >   为了缓解这个问题,(一个默认使能的编译选项)UTIL_EST驱动一个无限脉冲响应
> >   (Infinite Impulse Response,IIR)的EWMA,“运行”值在出队时是最高的。
> > -另一个默认使能的编译选项UTIL_EST_FASTUP修改了IIR滤波器,使其允许立即增加,
> > -仅在利用率下降时衰减。
> > +UTIL_EST滤波使其在遇到更高值时立刻增加,而遇到低值时会缓慢衰减。
> >
>
> Hi Hongyan,
>
> Thanks for your Chinese documentation translation!
>
> For the translation:
> Reviewed-by: Tang Yizhou <yizhou.tang@xxxxxxxxxx>

Thanks

>
> Thanks,
> Yizhou




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