[Leaplist] need some jiffies

[Andrew]

On Oct 11, 2007, at 10:45 AM, Richard F. Ostrow Jr. wrote:

> Right... I'm sure you already know this, but you cannot use an x86  
> PC as a
> real-time machine under linux. It may usually get close to such,  
> but you
> cannot absolutely gaurantee that it will at all times. For that you  
> need a
> RTOS or a microcontroller.

Right, my point was more that even if you ignored hard real-time vs  
soft real-time, that if you assumed HZ=100 across all linux  
platforms, you would eventually get bitten by that assumption.

> I think you had posted earlier about using some variant of an RT  
> system...
> I'd assumed before that you meant it wasn't necessary to *always* be
> exactly 100 Hz or whatever you're aiming at, but just verifying :).

Can't say I recall posting that, sorry.