tmnxSysCpuMonBusyCoreUtil 1.3.6.1.4.1.6527.3.1.2.1.1.12.1.3

The value of tmnxSysCpuMonBusyCoreUtil indicates the utilization percentage of the busiest processor core over the specified sample-time. On single core CPUs, this is the overall system utilization percentage over the specified sample-time.