Computing cpu's clock in cycles per second

[JD]

On 09/26/2010 01:21 PM, Tom Horsley wrote:
> 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.

That gives the bios reported value at bootup, which is
not the AMD sstaated clock which is 2.4 GHz.
Once it boots, and I run programs to load the cpu to
99%, couinfo still reports 790MHz.
Which is totally bogus!