linux-kernel - Re: Re: [announce] Intel announces the PowerTOP utility for Linux

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Message-ID: <20070512023904.GY11115@waste.org>
Date:	Fri, 11 May 2007 21:39:05 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Arjan van de Ven <arjan@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-acpi@...r.kernel.org
Subject: Re: Re: [announce] Intel announces the PowerTOP utility for Linux

On Sat, May 12, 2007 at 02:40:52AM +0100, Jose Celestino wrote:
> Words by Matt Mackall [Fri, May 11, 2007 at 07:17:19PM -0500]:
> > On Fri, May 11, 2007 at 04:07:18PM -0700, Arjan van de Ven wrote:
> > > 
> > > What's eating the battery life of my laptop? Why isn't it many more 
> > > hours? Which software component causes the most power to be burned? 
> > > These are important questions without a good answer... until now.
> > 
> > I get:
> > 
> > No detailed statistics available; please enable the CONFIG_TIMER_STATS
> > kernel option
> > 
> 
> Must run as root (rw to /proc/timer_stats is needed).

That file doesn't exist, despite CONFIG_TIMER_STATS being in
/proc/config.gz.

-- 
Mathematics is the supreme nostalgia of our time.
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