linux-kernel - Re: [PATCH 2/2] sched: cpufreq: Adds a field cpu_power in the task

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Message-ID: <20150515160716.GY21418@twins.programming.kicks-ass.net>
Date:	Fri, 15 May 2015 18:07:16 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ruchi Kandoi <kandoiruchi@...gle.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Vladimir Davydov <vdavydov@...allels.com>,
	Heinrich Schuchardt <xypron.glpk@....de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Kees Cook <keescook@...omium.org>,
	Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
	Davidlohr Bueso <dave@...olabs.net>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] sched: cpufreq: Adds a field cpu_power in the
 task_struct

On Thu, May 14, 2015 at 04:55:48PM -0700, Ruchi Kandoi wrote:
> cpu_power has been added to keep track of amount of power each task is
> consuming. cpu_power is updated whenever stime and utime are updated for
> a task. power is computed by taking into account the frequency at which
> the current core was running and the current for cpu actively
> running at hat frequency.
> 

Both you patches completely lack any reason for me to even start
considering this.

_WHY_ and _what_ are you doing?
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