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Date:   Fri, 27 Sep 2019 07:36:32 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Matthias Kaehlcke <mka@chromium.org>
Cc:     "Rafael J . Wysocki" <rjw@rjwysocki.net>,
        Kevin Hilman <khilman@kernel.org>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ingo Molnar <mingo@redhat.com>,
        Douglas Anderson <dianders@chromium.org>,
        linux-pm@vger.kernel.org, Amit Kucheria <amit.kucheria@linaro.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] PM / Domains: Add tracepoints
Message-ID: <20190927053632.GB1781519@kroah.com>
References: <20190926150406.v1.1.I07a769ad7b00376777c9815fb169322cde7b9171@changeid>
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On Thu, Sep 26, 2019 at 03:04:38PM -0700, Matthias Kaehlcke wrote:
> Define genpd_power_on/off and genpd_set_performance_state
> tracepoints and use them.

This says _what_ you do, but not _why_ you want to do this.  Who is
going to use this?  What can be done with this information that is
needed by anyone/someone?

More details please.

thanks,

greg k-h