Re: Wrong bogomips after plugging in AC power

Pavel Machek (pavel@suse.cz)
Sat, 30 Oct 1999 13:41:59 +0200


Hi!

> > Perhaps a patch is needed so APM (or the user) can inform the kernel
> > to recompute bogomips, or to recompute them once a minute or so?
>
> yuck! better to make __udelay to use rdtsc when available.
> it doesn't appear on older ia32, but then again, they don't fiddle
> the clock like this. most other modern processors have similar
> clock counters.

Unfortunately, when my toshiba changes speed, it changes speed of
cycle counter, too :-(. That sounds like show stopper.
Pavel

-- 
I'm really pavel@ucw.cz. Look at http://195.113.31.123/~pavel.  Pavel
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