linux-kernel - Re: [PATCH V9] powercap/drivers/idle_injection: Add an idle injection framework

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Message-ID: <20180625094539.7urkjlwddkcz64ve@vireshk-i7>
Date:   Mon, 25 Jun 2018 15:15:39 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Eduardo Valentin <edubezval@...il.com>,
        Javi Merino <javi.merino@...nel.org>,
        Leo Yan <leo.yan@...aro.org>,
        Kevin Wangtao <kevin.wangtao@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Rui Zhang <rui.zhang@...el.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrea Parri <andrea.parri@...rulasolutions.com>,
        "open list:POWER MANAGEMENT CORE" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH V9] powercap/drivers/idle_injection: Add an idle
 injection framework

On 25-06-18, 10:41, Rafael J. Wysocki wrote:
> On Tue, Jun 19, 2018 at 3:23 PM, Daniel Lezcano
> > +               if (per_cpu(idle_injection_device, cpu)) {
> > +                       pr_err("cpu%d is already registered\n", cpu);
> 
> If you print something like this, it should be clear what it is about
> and what piece of code it comes from as there will be no context
> around it it the log.

It should be good as we have this at the top.

#define pr_fmt(fmt) "ii_dev: " fmt


-- 
viresh