linux-kernel - Re: Increased ipw2200 power usage with dynticks

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Message-ID: <20070523121524.GA4999@one.firstfloor.org>
Date:	Wed, 23 May 2007 14:15:24 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Björn Steinbrink <B.Steinbrink@....de>,
	"Brown, Len" <len.brown@...el.com>, tglx@...utronix.de,
	mingo@...e.hu, "Zhu, Yi" <yi.zhu@...el.com>,
	linux-kernel@...r.kernel.org, arjan@...radead.org, trenn@...e.de
Subject: Re: Increased ipw2200 power usage with dynticks

> The current idea is that we will have multiple governors changeable at run time only for
> DEBUG and DEVELOPMENT. On a standard end user system there will be one governor
> (current optimal governor) that will be loaded. This gives
> flexibality to experiments with governors and also easily have different governors for
> different kind of platforms - in future if needed (handheld v/s laptop v/s server).
> Also, there are no overheads at runtime due to the fact that we have underlying infrastructure
> to have multiple governors (no locking overheads and such).

For testing/debugging you could just use some ifdefs, right? 

-Andi
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