Re: why is rdtsc reporting wrong cpu cycles?

[Willy Tarreau]

Hi Marco,

On Sat, Jan 03, 2004 at 03:48:39PM +0000, Marco Correia wrote:
 
> The problem is that the value I get dividing by my processor frequency (my 
> computer is a 650Mhz toshiba satellite pro 4340) is giving me about 1 hour 
> and I'm using the computer for about 4 fours.
> 
> Am I forgetting something obvious? I already googled around but I came to the 
> conclusion that only new P4 M processors are able to change speed. 

Perhaps it supports throttling. My mobile athlon supports this : 10000 times
a second, it is stopped for a certain amount of time, then resumed. Depending
on the throttling factor, I can even here it !

Cheers,
Willy

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