Re: rdtsc to mili secs?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sun Nov 05 2000 - 19:28:00 EST


> On Mon, Nov 06, 2000 at 04:39:23AM +0530, Sushil Agarwal wrote:
> > Hi,
> > According to the Intel Arch. Instruction set reference the
> > resolution of the "rdtsc" instruction is a clock cycle. How
> > do I convert this to mili seconds?
>
> fast_gettimeoffset_quotient, see do_fast_gettimeoffset().

Also remember that the TSC may not be available due to the chip era, chip bugs
or running SMP with non matched CPU clocks.

Alan

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