Subject: Re: [PATCH v7 0/8] Tunable sched_mc_power_savings=n
From: Mike Galbraith <efault@gmx.de>
To: svaidy@linux.vnet.ibm.com
Cc: balbir@linux.vnet.ibm.com, Ingo Molnar <mingo@elte.hu>,
       linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Andrew Morton <akpm@linux-foundation.org>
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Date: Thu, 08 Jan 2009 09:06:48 +0100
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On Wed, 2009-01-07 at 21:05 +0530, Vaidyanathan Srinivasan wrote:

> sched_mc=2 depends on NEWIDLE but the wakeup biasing part will be
> enabled even without this flag.  The power savings will be marginally
> better than sched_mc=1 without NEWIDLE.  But the end user can have
> that setup if they want to.

That implies to me that there should exist a flag SD_WAKEUP_BIAS or
whatnot.  All settings should be visible.  Currently, sched_mc > 0 turns
on NEWIDLE, which is visible, but 2 turns on this 'invisible to the
ultimate low-level control interface' thing.

	-Mike

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