From: Juri Lelli <juri.lelli@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@redhat.com, rjw@rjwysocki.net, viresh.kumar@linaro.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
tglx@linutronix.de, vincent.guittot@linaro.org,
rostedt@goodmis.org, luca.abeni@santannapisa.it,
claudio@evidence.eu.com, tommaso.cucinotta@santannapisa.it,
bristot@redhat.com, mathieu.poirier@linaro.org,
tkjos@android.com, joelaf@google.com, andresoportus@google.com,
morten.rasmussen@arm.com, dietmar.eggemann@arm.com,
patrick.bellasi@arm.com, Ingo Molnar <mingo@kernel.org>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: Re: [PATCH RFC 4/8] sched/cpufreq_schedutil: split utilization signals
Date: Wed, 24 May 2017 10:01:36 +0100 [thread overview]
Message-ID: <20170524090136.6bwwsnfy2a6yicbc@e106622-lin> (raw)
In-Reply-To: <20170523190451.3flxegqt7ttmorw6@hirez.programming.kicks-ass.net>
Hi,
On 23/05/17 21:04, Peter Zijlstra wrote:
> On Tue, May 23, 2017 at 09:53:47AM +0100, Juri Lelli wrote:
> > @@ -157,14 +158,13 @@ static unsigned int get_next_freq(struct sugov_policy *sg_policy,
> > return cpufreq_driver_resolve_freq(policy, freq);
> > }
> >
> > -static void sugov_get_util(unsigned long *util, unsigned long *max)
> > +static void sugov_get_util(struct sugov_cpu *sg_cpu)
> > {
> > struct rq *rq = this_rq();
> > - unsigned long dl_util = (rq->dl.running_bw * SCHED_CAPACITY_SCALE) >> 20;
> >
> > - *max = arch_scale_cpu_capacity(NULL, smp_processor_id());
> > -
> > - *util = min(rq->cfs.avg.util_avg + dl_util, *max);
> > + sg_cpu->max = arch_scale_cpu_capacity(NULL, smp_processor_id());
> > + sg_cpu->util_cfs = rq->cfs.avg.util_avg;
> > + sg_cpu->util_dl = (rq->dl.running_bw * SCHED_CAPACITY_SCALE) >> 20;
> > }
>
> Luca just introduced a nice BW_SHIFT for that '20' thing.
Right, will use that.
Thanks,
- Juri
next prev parent reply other threads:[~2017-05-24 9:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 8:53 [PATCH RFC 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 1/8] sched/cpufreq_schedutil: make use of DEADLINE utilization signal Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 2/8] sched/deadline: move cpu frequency selection triggering points Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 3/8] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE Juri Lelli
2017-05-23 18:52 ` Peter Zijlstra
2017-05-24 9:31 ` Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 4/8] sched/cpufreq_schedutil: split utilization signals Juri Lelli
2017-05-23 19:04 ` Peter Zijlstra
2017-05-24 9:01 ` Juri Lelli [this message]
2017-05-23 19:29 ` Peter Zijlstra
2017-05-23 23:30 ` Rafael J. Wysocki
2017-05-24 7:01 ` Peter Zijlstra
2017-05-24 9:01 ` Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 6/8] sched/sched.h: remove sd arch_scale_freq_capacity parameter Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 7/8] sched/sched.h: move arch_scale_{freq,cpu}_capacity outside CONFIG_SMP Juri Lelli
2017-05-23 8:53 ` [PATCH RFC 8/8] sched/deadline: make bandwidth enforcement scale-invariant Juri Lelli
2017-05-23 20:23 ` [PATCH RFC 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Peter Zijlstra
2017-05-23 20:29 ` Peter Zijlstra
2017-05-24 9:25 ` Juri Lelli
2017-05-24 9:41 ` Peter Zijlstra
2017-05-24 9:50 ` Juri Lelli
2017-05-24 11:31 ` Peter Zijlstra
2017-05-24 10:01 ` Luca Abeni
2017-05-24 11:29 ` Peter Zijlstra
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