If you're on unix try:

mpstat 5 5

That will show the processor usage for each processor every 5 seconds for 5 times. It won't show the Oracle usage but will show the overall machine usage.

If you just want to know how many CPU's the server has, type this in SQL *PLUS as system:

select value from v$parameter where name = 'cpu_count';


Sometimes it's very difficult to get information about the hardware you run on.. Trust me, I've been in this post for about 2 months and I still don't know everything about the server since people don't always answer emails!.

Terry