Re: [RFC/RFT] [PATCH 02/10] cpufreq: intel_pstate: Conditional frequency invariant accounting

Valentin Schneider
2018-05-18T14:09:29Z

Hi,

On 18/05/18 12:29, Peter Zijlstra wrote:
> On Fri, May 18, 2018 at 11:57:42AM +0100, Patrick Bellasi wrote:
>> Thus, my simple (maybe dumb) questions are:
>> - why can't we just fold turbo boost frequency into the existing concepts?
>> - what are the limitations of such a "simple" approach?
>
> Perhaps... but does this not further complicate the whole capacity vs
> util thing we already have in say the misfit patches?

What do you mean by that ? Bear in mind, I'm a complete stranger to turbo
boost so I fail to see why, as Patrick puts it, it can't fit within the
existing concepts (i.e. max util is 1024 but is only reachable when turbo
boosted).