Re: [RFC PATCH 0/7] sched: cpufreq: Remove magic margins

From: Peter Zijlstra
Date: Fri Sep 08 2023 - 09:59:48 EST


On Fri, Sep 08, 2023 at 02:33:36PM +0100, Qais Yousef wrote:

> > (even hardware has these things today, we get 0-255 values that do
> > 'something' uarch specific)
>
> Ah, could I get some pointers please?

Intel HWP.EPP and AMD CPPC EPP I think.. both intel-pstate and
amd-pstate have EPP thingies.