Re: [RFC/RFT] [PATCH 10/10] cpufreq: intel_pstate: enable boost for SKX

Peter Zijlstra
2018-05-16T15:54:42Z

On Wed, May 16, 2018 at 08:46:24AM -0700, Srinivas Pandruvada wrote:
> On Wed, 2018-05-16 at 09:49 +0200, Peter Zijlstra wrote:
> > On Tue, May 15, 2018 at 09:49:11PM -0700, Srinivas Pandruvada wrote:
> > > Enable HWP boost on Skylake server platform.
> >
> > Why not unconditionally enable it on everything HWP ?
> Never noticed in any difference performance in clients with HWP nor
> anybody complained. Since clients uses single power domain, some other
> CPUs always gives boost.

Can't the hardware tell us about per-core stuff? Do we really have to
use tables for that?