This is pretty much the same as the using the PerfMon to measure the CPU usage
excapt that you can filter out processes or only include some of them.
CPUInclude
List of process names that are included in the cpu measuring. The
names are separated with semicolon (";"-char). The include list overrides
the excludes.
CPUExclude
List of process names that are excluded from the cpu measuring. The
names are separated with semicolon (";"-char). The include list must be
empty to exclude something.