linux-kernel - Re: [UPDATE][PATCH 10/10] tools/power/x86: A tool to validate Intel Speed Select commands

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Date:   Mon, 01 Jul 2019 08:18:52 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Andriy Shevchenko <andriy.shevchenko@...el.com>,
        Jonathan Corbet <corbet@....net>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Alan Cox <alan@...ux.intel.com>, Len Brown <lenb@...nel.org>,
        prarit@...hat.com, darcari@...hat.com,
        Linux Documentation List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [UPDATE][PATCH 10/10] tools/power/x86: A tool to validate Intel
 Speed Select commands

On Mon, 2019-07-01 at 14:32 +0300, Andy Shevchenko wrote:
> On Sun, Jun 30, 2019 at 8:14 PM Srinivas Pandruvada
> <srinivas.pandruvada@...ux.intel.com> wrote:
> > 
> > The Intel(R) Speed select technologies contains four features.
> > 
> > Performance profile:An non architectural mechanism that allows
> > multiple
> > optimized performance profiles per system via static and/or dynamic
> > adjustment of core count, workload, Tjmax, and TDP, etc. aka ISS
> > in the documentation.
> > 
> > Base Frequency: Enables users to increase guaranteed base frequency
> > on
> > certain cores (high priority cores) in exchange for lower base
> > frequency
> > on remaining cores (low priority cores). aka PBF in the
> > documenation.
> > 
> > Turbo frequency: Enables the ability to set different turbo ratio
> > limits
> > to cores based on priority. aka FACT in the documentation.
> > 
> > Core power: An Interface that allows user to define per core/tile
> > priority.
> > 
> > There is a multi level help for commands and options. This can be
> > used
> > to check required arguments for each feature and commands for the
> > feature.
> > 
> > To start navigating the features start with
> > 
> > $sudo intel-speed-select --help
> > 
> > For help on a specific feature for example
> > $sudo intel-speed-select perf-profile --help
> > 
> > To get help for a command for a feature for example
> > $sudo intel-speed-select perf-profile get-lock-status --help
> > 
> > Signed-off-by: Srinivas Pandruvada <
> > srinivas.pandruvada@...ux.intel.com>
> > ---
> > Updates:
> > - Copied Makefile from tools/gpio and moified the Makefile here
> > - Added entry to tools/build/Makefile
> > - Rename directory to match the executable name
> > - Fix one error message
> 
> Thanks!
> I pushed to my review and testing queue, while still waiting for some
> ACKs.
> 
> It seems I can promote the driver itself now,w/o tools, if you want
> me to do so.
I am fine with driver only push if we don't get ACK by your deadline
for the next kernel.

Thanks,
Srinivas