linux-kernel - Re: [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED

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Date:   Fri, 07 Jul 2017 15:11:45 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Juri Lelli <juri.lelli@....com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Joel Fernandes <joelaf@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        luca.abeni@...tannapisa.it, claudio@...dence.eu.com,
        Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>,
        bristot@...hat.com, mathieu.poirier@...aro.org,
        Todd Kjos <tkjos@...roid.com>,
        Andres Oportus <andresoportus@...gle.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Ingo Molnar <mingo@...nel.org>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE

On Friday, July 07, 2017 11:53:16 AM Juri Lelli wrote:
> On 07/07/17 12:46, Thomas Gleixner wrote:
> > On Fri, 7 Jul 2017, Juri Lelli wrote:
> > > How about SCHED_FLAG_SUGOV then?
> > 
> > I know sugo della carne, but what's sugo V?
> > 
> 
> Right.. can't really help not thinking about the same (especially close
> to lunch) :)
> 
> But the abbreviation stands for SchedUtil GOVernor (AFAIK). We already
> have a SUGOV_KTHREAD_PRIORITY (that I just noticed I need to remove BTW)
> in sched/cpufreq_schedutil.c.

SCHED_FLAG_CPUFREQ_WORKER comes to mind, but it's somewhat long.

Thanks,
Rafael