linux-kernel - Re: cpuinfo shows wrong MHz value

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Message-Id: <1234651096.13338.15.camel@localhost>
Date:	Sat, 14 Feb 2009 23:38:16 +0100
From:	Kasper Sandberg <lkml@...anurb.dk>
To:	Frans Pop <elendil@...net.nl>
Cc:	Joerg Platte <jplatte@...sa.net>, linux-kernel@...r.kernel.org
Subject: Re: cpuinfo shows wrong MHz value

On Sat, 2009-02-14 at 23:29 +0100, Frans Pop wrote:
> Joerg Platte wrote:
> > I'm running kernel 2.6.28.4 and /proc/cpuinfo and powertop and vmware
> > are unable to detect the correct speed (1.6 GHz) of the processor:
> 
> Isn't this just the result of frequency scaling? Is the processor busy 
> when you check /proc/cpuinfo?

I dont think cpu frequency scaling can suddenly make a cpu go from
1.6ghz to 13ghz, but if it can, i sure want one!

> 
> What are the values in:
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
> ?
> 
> Cheers,
> FJP
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