Computing cpu's clock in cycles per second

[Tom Horsley]

On Sun, 26 Sep 2010 13:10:34 -0700
JD wrote:

>   Since I have not been successful to determine the runtime
> cpu frequency using the fedora tools:

How about cat /proc/cpuinfo | fgrep 'cpu MHz'

Of course, I have no idea where that number comes from.
I have some virtual machines which sometimes get a 0
for that number when they boot.