Re: rdtsc to mili secs?

Pavel Machek
2000-11-19T20:58:03Z

Hi!

> > > Anyway, this should be solvable by checking for clock change in the
> > > timer interrupt. This way we should be able to detect when the clock
> > > went weird with a 10 ms accuracy. And compensate for that. It should be
> > > possible to keep a 'reasonable' clock running even through the clock
> > > changes, where reasonable means constantly growing and as close to real
> > > time as 10 ms difference max.
> > >
> > > Yes, this is not perfect, but still keep every program quite happy and
> > > running.
> >
> > No. Udelay has just gone wrong and your old ISA xxx card just crashed
> > whole system. Oops.
>
> Yes. But can you do any better than that? Anyway, I wouldn't expect to
> be able to put my old ISA cards into a recent notebook which fiddles
> with the CPU speed (or STPCLK ratio).

PCMCIA is just that: putting old ISA crap into modern hardware. Sorry.

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 at discuss@linmodems.org