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To: Stephane Eranian <eranian@hpl.hp.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: exposing FSB clock speed in /sys
References: <20070330153937.GC16059@frankl.hpl.hp.com>
From: Andi Kleen <andi@firstfloor.org>
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Date: 31 Mar 2007 04:31:29 +0200
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Stephane Eranian <eranian-sDzT885Ts8HQT0dZR+AlfA@public.gmane.org> writes:

> It seems that the kernel does not expose the Front-Side Bus (FSN) Clock
> speed to user applications. 

You mean the APIC timer frequency which happens to match the FSB 
on some CPUs? 
 
> Knowledge the the FSB speed is very useful to monitoring tools. It is used
> to compute certain bus-related metrics.

Can you describe those metrics in detail? 

-Andi