linux-kernel - Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of target frequency

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Date:	Thu, 6 Jun 2013 15:27:57 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Borislav Petkov <bp@...e.de>
Cc:	David C Niemi <dniemi@...isign.com>,
	Stratos Karafotis <stratosk@...aphore.gr>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, linux-pm@...r.kernel.org,
	cpufreq@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>
Subject: Re: [PATCH v3 1/3] cpufreq: ondemand: Change the calculation of
 target frequency

On 6 June 2013 15:25, Borislav Petkov <bp@...e.de> wrote:
> The correct "fix" for this whole deal is coupling cpufreq with
> the scheduler, as it has been said so many times before. You need
> "something" which can tell you whether raising the freq. is worth it or
> not (i.e. the process is waiting on IO or is executing instructions).

Linaro has got a blueprint in this direction but doesn't have any
proof of concept or RFC patches to share. But that will happen soon.
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