linux-kernel - Re: [RFC PATCHC 3/3] sched/fair: use the idle state info to choose the idlest cpu

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Message-ID: <20140417144707.GL11096@twins.programming.kicks-ass.net>
Date:	Thu, 17 Apr 2014 16:47:07 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:	Nicolas Pitre <nicolas.pitre@...aro.org>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, rjw@...ysocki.net,
	linux-pm@...r.kernel.org, alex.shi@...aro.org,
	vincent.guittot@...aro.org, morten.rasmussen@....com
Subject: Re: [RFC PATCHC 3/3] sched/fair: use the idle state info to choose
 the idlest cpu

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.
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