linux-kernel - Re: [RFC PATCH v1 1/2] sched: unified sched

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Date:	Wed, 25 Jan 2012 15:57:26 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>
Cc:	Vincent Guittot <vincent.guittot@...aro.org>,
	Indan Zupancic <indan@....nu>,
	Youquan Song <youquan.song@...el.com>,
	Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v1 1/2] sched: unified sched_powersavings sysfs
 tunable

On Mon, 2012-01-16 at 21:52 +0530, Vaidyanathan Srinivasan wrote:
> +enum powersavings_level {
> +       POWERSAVINGS_DISABLED = 0,      /* Max performance */
> +       POWERSAVINGS_DEFAULT,           /* Kernel default policy, automatic powersave */
> +                                       /* vs performance tradeoff */
> +       POWERSAVINGS_MAX                /* Favour power savings over peformance */
>  }; 

I don't like that, I can get, OFF, AUTO, ON, but to overload that with
different policies for AUTO and ON just reeks.

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