Hi!
> > Actually it won't correct for current laptop CPUs that vary the clock
> > speed -- the tsc speed also varies.
>
> Oh ? To the best of my knowledge, current laptop CPUs don't vary the
> clock speed, but the duty cycle of the CPU.
Really? My two notebooks (toshiba and ibm, and about every notebook
I've seen) seem to disagree with you.
> > It will probably correct for future laptop CPUs though, such as (no
> > surprise) the Transmeta one.
>
> I think no CPUs' TSC rate actually changes, so using rdtsc if we have
> a working TSC should be fine.
No.
Pavel
-- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents me at discuss@linmodems.org- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Mar 23 2000 - 21:00:32 EST