% of bandwidth of all network adapters that is currently being used.
% Disk Time is the percentage of elapsed time that the guest disk drives was busy servicing read or write requests.
Physical memory in use. Total physical memory – memory immediately available for allocation to a process or for system use.
The total amount of all Page Files usage in percent.
Percentage of elapsed time that the processor spends to execute a non-Idle thread of guest OS.
Pages/sec is the rate at which pages are read from or written to disk to resolve hard page faults. This counter is a primary indicator of the kinds of faults that cause system-wide delays.