Re: a faster way to gettimeofday? rdtsc strangeness

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Thu Mar 07 2002 - 09:41:21 EST


> If you have a CPU that begin throttling it usually cut the CPU clock in
> half and the rdtsc counter count half a fast.

They normally adjust the STPCLK which is just fine. I've only seen a few
laptops that do it other ways. More fun are people running mixed 300/450
BP6 boards where the tsc varies by cpu
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