It is simple to view the per processor usage and statistics in Ubuntu just using the command line.
To do this, first install sysstat using the following Terminal command :
After it is installed, mpstat is the command to view the processor usage. To display the average CPU utilization per processor, simply type :
The above example shows a dual processor system. Processor 0 is the first processor, 1 is the second and so on.
To only display utilization of 1st processor (processor 0), the command will be :
To display all the detailed statistics for all processors :
mpstat can also be scheduled to display the processor activities after a fixed time interval. So, suppose all the processor stats need to be updated at end of every 5 seconds, the command for that will be :
To exit, hit Ctrl+C.
This is a simple and powerful command line system tool. Do try it out.