Herbert Poetzl wrote:
> but I agree that a higher resolution would be a good
> idea ... also doing the calculation when the number
> of running/uninterruptible processes has changed would
> be a good idea ...

This could get very expensive. A modern cpu can do about 700,000 context 
switches per second of a real task with the current linux kernel so I'd 
suggest not doing this.

Cheers,
Con