Re: Cyrix 6x86MX and Centaur C6 CPUs in 2.1.102

Vojtech Pavlik (
Thu, 21 May 1998 16:06:05 +0200

On Thu, May 21, 1998 at 03:44:27PM +0200, Martin Mares wrote:

> > BTW TSC calibration in the setup code would allow showing MHz rating in
> > /proc/cpuinfo, so people would stop wondering why they get bogomips such
> > and such everytime a new x86 processor comes out.
> This would be interesting, but remember that CPU clock speed need not
> to be equal TSC frequency.

Yes, but for all the chips produced up to now it is equal, and for later
chips we may decide based on the chip revision / manufacturer and if needed
apply a TSC per sec / CPU clocks per sec ratio for the respective chip to
get the correct CPU frequency.


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