> based upon CPU usage, that can be done more easy if you 
> dedicate a given CPU performance to a linux partition. And then you 
> may not forget that there will be security problems if there are more 
> people having root access to one instance of Linux, on a higher end 
> S/390 several hundred Linux partitions can be run each with the 
> same or higher performance than a GHz. Intel CPU. 
i can't find any performance comparisions os S/390 systems. some specint
etc.