Messages in this thread | | | Date | Sun, 19 Mar 2000 12:19:51 -0700 | From | Philipp Rumpf <> | Subject | Re: bogo-bogomips |
| |
> 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.
> 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.
Philipp Rumpf
- 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/
| |