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Re: [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq
Date 2017-07-11 18:20 +0200
Message-ID <u263g-4Bc-29@gated-at.bofh.it> (permalink)
References <tZOtQ-4hV-5@gated-at.bofh.it> <tZOtR-4hV-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jul 05, 2017 at 09:59:02AM +0100, Juri Lelli wrote:
>  		delta_ns = time - j_sg_cpu->last_update;
>  		if (delta_ns > TICK_NSEC) {
>  			j_sg_cpu->iowait_boost = 0;
> -			continue;
> +			j_sg_cpu->util_cfs = 0;

this is slighly confusing. Is this because we might not 'continue' with
the new code?

> +			if (j_sg_cpu->util_dl == 0)
> +				continue;
>  		}
> +
>  		if (j_sg_cpu->flags & SCHED_CPUFREQ_RT)
>  			return policy->cpuinfo.max_freq;
>  
> -- 
> 2.11.0
> 

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Thread

[RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection Juri Lelli <juri.lelli@arm.com> - 2017-07-05 11:10 +0200
  [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-07-05 11:10 +0200
    Re: [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-07 11:00 +0200
    Re: [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Peter Zijlstra <peterz@infradead.org> - 2017-07-11 18:20 +0200
      Re: [RFC PATCH v1 5/8] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-07-11 19:20 +0200
  [RFC PATCH v1 7/8] sched/sched.h: move arch_scale_{freq,cpu}_capacity outside CONFIG_SMP Juri Lelli <juri.lelli@arm.com> - 2017-07-05 11:10 +0200
    Re: [RFC PATCH v1 7/8] sched/sched.h: move  arch_scale_{freq,cpu}_capacity outside CONFIG_SMP Steven Rostedt <rostedt@goodmis.org> - 2017-07-08 00:10 +0200
  [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization signals Juri Lelli <juri.lelli@arm.com> - 2017-07-05 11:10 +0200
    Re: [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization signals Joel Fernandes <joelaf@google.com> - 2017-07-07 05:30 +0200
    Re: [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization  signals Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-07 11:00 +0200
      Re: [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization  signals Juri Lelli <juri.lelli@arm.com> - 2017-07-07 13:00 +0200
        Re: [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization signals Joel Fernandes <joelaf@google.com> - 2017-07-10 09:50 +0200
    Re: [RFC PATCH v1 4/8] sched/cpufreq_schedutil: split utilization  signals Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 09:10 +0200
  [RFC PATCH v1 2/8] sched/deadline: move cpu frequency selection triggering points Juri Lelli <juri.lelli@arm.com> - 2017-07-05 11:10 +0200
    Re: [RFC PATCH v1 2/8] sched/deadline: move cpu frequency selection  triggering points Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-07 09:30 +0200
  Re: [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP  selection Steven Rostedt <rostedt@goodmis.org> - 2017-07-06 18:00 +0200
    Re: [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP  selection Juri Lelli <juri.lelli@arm.com> - 2017-07-06 18:10 +0200
    Re: [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP  selection Peter Zijlstra <peterz@infradead.org> - 2017-07-06 18:20 +0200
  Re: [RFC PATCH v1 0/8] SCHED_DEADLINE freq/cpu invariance and OPP selection "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-06 23:20 +0200

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