1. A system, comprising: one or more functional units, wherein at least one functional unit of the one or more functional units includes at least one monitor circuit, wherein the at least one monitor circuit is configured to: monitor an operational parameter associated with a corresponding functional unit; and send data indicative of the operational parameter; and a power manager processor coupled to a volatile memory, wherein the dedicated power manager processor is configured to: receive the data; and adjust one or more performance settings dependent upon the data.