The VMware esxtop tool provides a real-time view (updated every five seconds, by default) of ESXi Server worlds. The term world refers to processes running on the VMkernel.
Andreas Lesslhumer over at running-system.com has released a great vSphere 6 toubleshooting resource, it's a poster shwoing all the esxtop information and their best practice values. You can get your copy here.
