Re: [REDO PATCH v7] perf/x86/amd/power: Add AMD accumulated power reporting mechanism
From: Huang Rui
Date: Wed Jul 20 2016 - 01:56:28 EST
On Tue, Jul 19, 2016 at 02:22:36PM -0400, Vince Weaver wrote:
> On Fri, 17 Jun 2016, Huang Rui wrote:
> > On Thu, Jun 16, 2016 at 06:47:00PM +0200, Borislav Petkov wrote:
> > > On Thu, Jun 16, 2016 at 01:38:14PM +0800, Huang Rui wrote:
> > > > I was told this feature would be supported on fam15h 60h, 70h and
> > > > later processors before. Just checked the fam16h model 30h BKDG, yes,
> > > > it should be also supported. But I didn't test that platform, if you
> > > > confirm it works in your side. We can enable it.
> > >
> > > You might want to ask around first whether F16M30's acc power machinery
> > > is even usable? I.e., no errata and whatnot...
> > >
> > Yep, I already asked the designers, and was waiting for their
> > feedbacks.
> Was there ever any feedback about any of the problems encountered with AMD
> APM support?
Vince, apology to late response. We are drafting the erratum for this
feature. Will let you know if it is public.