Re: [PATCH v6 04/11] cpufreq/schedutil: use rt utilization tracking

From: Peter Zijlstra
Date: Fri Jun 22 2018 - 09:52:29 EST


On Fri, Jun 22, 2018 at 03:26:24PM +0200, Peter Zijlstra wrote:
> > But this also means that we will start to inflate the utilization to
> > get higher OPP even if there is idle time and lost the interest of
> > using dl bw
>
> You get _some_ inflation, but only if there is actual cfs utilization to
> begin with.

Note that at high idle time, the inflation really is minimal:

f(.2,.2,2)
.20312500000000000000