>> But with an interpreter it would be possible to do the same things  
>> an advanced OS does, let a process only run for a specific amount  
>> of VM instructions, penilize processes that keep using their whole  
>> "quantum", promote processes that don't, etc.
>
>
> If you want to do some sort of count of bytecodes or prim calls  
> instead of a simple timer, that is not difficult to arrange. I  
> think John put some timer/counter stuff in a few years ago that  
> would support this.

Ah that would be
[ENH] CPU time for Processes.
	Date: 	March 8, 2001 7:49:42 PM PST (CA)

I've stuck the CaptureProcessTimeJMM.6.cs on my idisk experimental  
folder via http:/www.smalltalkconsulting.com/squeak.html  as a clue



--
======================================================================== 
===
John M. McIntosh <johnmci at smalltalkconsulting.com>
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
======================================================================== 
===