Re: exposing FSB clock speed in /sys

From: Alan Cox
Date: Fri Mar 30 2007 - 13:23:30 EST


> Looking at the code, it seems that there is no standard way of extracting
> the FSB speed. For each processor model, you have different MSRs. I would
> think that the routines in the cpufreq code could be moved out and used
> as the basis to expose the information somewhere in /sys.

It's well un-documented, but one of the problems is that for many
processor lines the information isn't in public documents (eg the older
processors like the PII/PIII)

Alan
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