The only metric that matters is the measure of the business task at hand. You might dig into CPU utilization after you've identified a problem with your applica

The only metric that matters is the measure of the business task at hand. You might dig into CPU utilization after you've identified a problem with your application, but trying to identify an application problem by measuring CPU is like trying to determine where your shipment is by looking at engine RPM of the freight vehicle. That being said, historic CPU utilization is a useful metric for capacity planning.