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From: Juri Lelli <juri.lelli@arm.com>
To: Joel Fernandes <joelaf@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	luca.abeni@santannapisa.it, claudio@evidence.eu.com,
	Tommaso Cucinotta <tommaso.cucinotta@santannapisa.it>,
	bristot@redhat.com, mathieu.poirier@linaro.org,
	Todd Kjos <tkjos@android.com>,
	Andres Oportus <andresoportus@google.com>,
	Morten Rasmussen <morten.rasmussen@arm.com>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Patrick Bellasi <patrick.bellasi@arm.com>,
	Ingo Molnar <mingo@kernel.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE
Date: Fri, 7 Jul 2017 11:43:41 +0100	[thread overview]
Message-ID: <20170707104341.vrx4gm2bgoaaixwf@e106622-lin> (raw)
In-Reply-To: <CAJWu+op-y5Q6Ginhxk7ntjTrZmNbJX8arMsqOrkxs34m7CukaA@mail.gmail.com>

Hi,

On 06/07/17 20:56, Joel Fernandes wrote:
> Hi Juri,
> 
> On Wed, Jul 5, 2017 at 1:59 AM, Juri Lelli <juri.lelli@arm.com> wrote:

[...]

> >         if (attr->sched_flags &
> > -               ~(SCHED_FLAG_RESET_ON_FORK | SCHED_FLAG_RECLAIM))
> > +               ~(SCHED_FLAG_RESET_ON_FORK |
> > +                 SCHED_FLAG_RECLAIM |
> > +                 SCHED_FLAG_SPECIAL))
> >                 return -EINVAL;
> 
> I was thinking if its better to name SCHED_FLAG_SPECIAL something more
> descriptive than "special", since it will not be clear looking at
> other parts of the code that this is used for the frequency scaling
> thread or that its a DL task. I was thinking since this flag is
> specifically setup for the sugov thread frequency scaling purpose, a
> better flag name than SPECIAL might be SCHED_FLAG_DL_FREQ_SCALE or
> SCHED_FLAG_FREQ_SCALE. But I am Ok with whatever makes sense to do
> here. Thanks,
> 

Sure.

How about SCHED_FLAG_SUGOV then?

Thanks,

- Juri

  reply	other threads:[~2017-07-07 10:43 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-05  8:58 [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Juri Lelli
2017-07-05  8:58 ` [RFC PATCH v1 1/8] sched/cpufreq_schedutil: make use of DEADLINE utilization signal Juri Lelli
2017-07-07  7:20   ` Viresh Kumar
2017-07-05  8:58 ` [RFC PATCH v1 2/8] sched/deadline: move cpu frequency selection triggering points Juri Lelli
2017-07-07  7:21   ` Viresh Kumar
2017-07-05  8:59 ` [RFC PATCH v1 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE Juri Lelli
2017-07-07  3:56   ` Joel Fernandes
2017-07-07 10:43     ` Juri Lelli [this message]
2017-07-07 10:46       ` Thomas Gleixner
2017-07-07 10:53         ` Juri Lelli
2017-07-07 13:11           ` Rafael J. Wysocki
2017-07-07 21:58             ` Steven Rostedt
2017-07-07 22:07               ` Joel Fernandes
2017-07-07 22:15                 ` Steven Rostedt
2017-07-07 22:57                   ` Joel Fernandes
2017-07-11 12:37     ` Peter Zijlstra
2017-07-07  7:21   ` Viresh Kumar
2017-07-11 16:18   ` Peter Zijlstra
2017-07-11 17:02     ` Juri Lelli
2017-07-05  8:59 ` [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization signals Juri Lelli
2017-07-07  3:26   ` Joel Fernandes
2017-07-07  8:58   ` Viresh Kumar
2017-07-07 10:59     ` Juri Lelli
2017-07-10  7:46       ` Joel Fernandes
2017-07-10  7:05   ` Viresh Kumar
2017-07-05  8:59 ` [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq Juri Lelli
2017-07-07  8:59   ` Viresh Kumar
2017-07-11 16:17   ` Peter Zijlstra
2017-07-11 17:18     ` Juri Lelli
2017-07-05  8:59 ` [RFC PATCH v1 6/8] sched/sched.h: remove sd arch_scale_freq_capacity parameter Juri Lelli
2017-07-05  8:59 ` [RFC PATCH v1 7/8] sched/sched.h: move arch_scale_{freq,cpu}_capacity outside CONFIG_SMP Juri Lelli
2017-07-07 22:04   ` Steven Rostedt
2017-07-05  8:59 ` [RFC PATCH v1 8/8] sched/deadline: make bandwidth enforcement scale-invariant Juri Lelli
2017-07-19  7:21   ` Peter Zijlstra
2017-07-19  9:20     ` Juri Lelli
2017-07-19 11:00       ` Peter Zijlstra
2017-07-19 11:16         ` Juri Lelli
2017-07-24 16:43           ` Peter Zijlstra
2017-07-25  7:03             ` Luca Abeni
2017-07-25 13:51               ` Peter Zijlstra
2017-07-26 13:50                 ` luca abeni
2017-07-06 15:57 ` [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Steven Rostedt
2017-07-06 16:08   ` Juri Lelli
2017-07-06 16:15   ` Peter Zijlstra
2017-07-06 21:08 ` Rafael J. Wysocki

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