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Subject: Re: a faster way to gettimeofday? rdtsc strangeness
To: terje.eggestad@scali.com (Terje Eggestad)
Date: Thu, 7 Mar 2002 14:41:21 +0000 (GMT)
Cc: davidel@xmailserver.org (Davide Libenzi),
        greearb@candelatech.com (Ben Greear),
        linux-kernel@vger.kernel.org (linux-kernel)
In-Reply-To: <1015510496.4373.58.camel@pc-16.office.scali.no> from "Terje Eggestad" at Mar 07, 2002 03:14:56 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> 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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