linux-kernel - Re: [PATCH v3 0/4] Add tracer tool for AMD P-State driver

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Date:   Wed, 9 Mar 2022 19:54:35 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Huang Rui <ray.huang@....com>,
        "Su, Jinzhou (Joe)" <Jinzhou.Su@....com>
Cc:     "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "srinivas.pandruvada@...ux.intel.com" 
        <srinivas.pandruvada@...ux.intel.com>,
        "dsmythies@...us.net" <dsmythies@...us.net>,
        "viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
        "todd.e.brandt@...ux.intel.com" <todd.e.brandt@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Sharma, Deepak" <Deepak.Sharma@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Du, Xiaojian" <Xiaojian.Du@....com>,
        "Yuan, Perry" <Perry.Yuan@....com>,
        "Meng, Li (Jassmine)" <Li.Meng@....com>
Subject: Re: [PATCH v3 0/4] Add tracer tool for AMD P-State driver

On Wed, Mar 9, 2022 at 2:32 PM Huang Rui <ray.huang@....com> wrote:
>
> On Wed, Mar 09, 2022 at 09:23:47AM +0800, Su, Jinzhou (Joe) wrote:
> > Hello,
> >
> > intel_pstate_tracer is a useful tool to analyze the performance of
> > intel_pstate driver. We upstream out AMD P-state driver into Linux
> > kernel recently and like to use similar tool to tune the performance
> > of the driver.
> >
> > I modified intel_pstate_tracer.py then it could import as a module to
> > analyze AMD P-State trace event. Other trace event also can benifit from
> > this change once they need this tool.
> >
> > intel_pstate_tracer could be used as the same way as before and the
> > original functionality isn't broken.
> >
> > Changes from V2->V3
> >
> > -fix typo in amd-pstate RST
> >
> > Changes from V1->V2
> >
> > -Add tracer documentation in amd-pstate RST
> >
> > -fix typo in amd_pstate_trace.py
> >
> > -add "Co-developed-by" in patch 1/4
> >
> > Thanks,
> > Joe
> >
> > Jinzhou Su (4):
> >   cpufreq: amd-pstate: Add more tracepoint for AMD P-State module
> >   tools/power/x86/intel_pstate_tracer: make tracer as a module
> >   tools/power/x86/amd_pstate_tracer: Add tracer tool for AMD P-state
> >   Documentation: amd-pstate: add tracer tool introduction
>
> Series are Reviewed-by: Huang Rui <ray.huang@....com>

All patches in the series have been applied as 5.18 material, thanks!