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SubjectRe: a faster way to gettimeofday?
On Tue, 5 Mar 2002, Ben Greear wrote:

> I have a program that I very often need to calculate the current
> time, with milisecond accuracy. I've been using gettimeofday(),
> but gprof shows it's taking a significant (10% or so) amount of
> time. Is there a faster (and perhaps less portable?) way to get
> the time information on x86? My program runs as root, so should
> have any permissions it needs to use some backdoor hack if that
> helps!

If you're on x86 you can use collect rdtsc samples and convert them to ms.
You'll get even more then ms accuracy.

- Davide

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