Re: [RFC PATCH v3 03/10] PM: Introduce an Energy Model management framework

From: Juri Lelli
Date: Fri Jun 08 2018 - 05:36:24 EST

On 08/06/18 09:25, Quentin Perret wrote:
> Hi Dietmar,
> On Thursday 07 Jun 2018 at 17:55:32 (+0200), Dietmar Eggemann wrote:


> > IMHO, part of the problem why this might be harder to understand is the fact
> > that the patches show the use of the 2. init call
> > 'em_rescale_cpu_capacity()' but not the 1. one 'em_register_freq_domain()'.
> > I guess that Quentin wanted to keep the set as small as possible.
> Yes, this is confusing. I'm now starting to think that patch 10/10 should
> probably not be part of this patch-set, especially if I don't provide
> the patches registering the freq domains from the CPUFreq drivers. And
> it's the only "Arm-specific" patch in this arch-independent patch-set.
> So I think I'll drop patch 10/10 for v4 ... That part should be
> discussed separately, with the rest of the Arm-specific changes.

Mmm, I would actually vote to at least have one example showing how and
where the em_register_freq_domain() is going to be used. I had to look
at the repo you referenced since I think it's quite fundamental piece to
understand the design, IMHO.