linux-kernel - Re: PROBLEM: no cpu MHz in /proc/cpuinfo on 2.6.25.4-rt6

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Message-ID: <alpine.LNX.1.10.0806111440480.20733@fbirervta.pbzchgretzou.qr>
Date:	Wed, 11 Jun 2008 14:42:40 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	"Kok, Auke" <auke-jan.h.kok@...el.com>
cc:	Arjan van de Ven <arjan@...radead.org>,
	solsTiCe d'Hiver <solstice.dhiver@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: PROBLEM: no cpu MHz in /proc/cpuinfo on 2.6.25.4-rt6


On Tuesday 2008-06-10 22:42, Kok, Auke wrote:
>>>
>>> and it appears that /proc/cpuinfo lack the line 
>>> cpu MHz:
>> 
>> 
>> btw this is scary; the Mhz line in /proc/cpuinfo doesn't have much
>> meaning really, so applications using it and depending on it is a
>> rather big disaster ;-(
>> 
>> Does anyone know why jackd wants to use this?

It would be nice to have a /sys file where the CPU frequency is in,
but unless you have cpufreq loaded, no such file exists.
And there are quite a few processors which do not have cpufreq,
so /proc/cpuinfo is the only information (besides dmesg) where
you can read it from.
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