linux-kernel - Re: [RFC/RFT] [PATCH 10/10] cpufreq: intel

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Message-ID: <1526485584.61700.19.camel@linux.intel.com>
Date:   Wed, 16 May 2018 08:46:24 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     tglx@...utronix.de, mingo@...hat.com, bp@...e.de, lenb@...nel.org,
        rjw@...ysocki.net, mgorman@...hsingularity.net, x86@...nel.org,
        linux-pm@...r.kernel.org, viresh.kumar@...aro.org,
        juri.lelli@....com, linux-kernel@...r.kernel.org
Subject: Re: [RFC/RFT] [PATCH 10/10] cpufreq: intel_pstate: enable boost for
 SKX

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. 

Thanks,
Srinivas