From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCHC 3/3] sched/fair: use the idle state info to choose
 the idlest cpu
Date: Thu, 17 Apr 2014 16:47:07 +0200
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To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>, linux-kernel@vger.kernel.org, mingo@elte.hu, rjw@rjwysocki.net, linux-pm@vger.kernel.org, alex.shi@linaro.org, vincent.guittot@linaro.org, morten.rasmussen@arm.com

On Thu, Apr 17, 2014 at 03:53:32PM +0200, Daniel Lezcano wrote:
> Concerning the policy, I would suggest to create an entry in
> /proc/sys/kernel/sched_power, where a couple of values could be performance
> - power saving (0 / 1).

Ingo wanted a sched_balance_policy file with 3 values:
  "performance, power, auto"

Where the auto thing switches between them, initially based off of
having AC or not.