Systems and methods are disclosed for effectively managing a network of computing devices by collecting and processing performance metric information from a plurality of devices in the network. In one embodiment, a computing device performance monitor may be configured to collect a plurality of performance metric information for one or more monitored computing devices and may assign integrity scores to the plurality of performance metrics. The performance monitor may be configured to determine performance values for the one or more monitored computing devices, and use the performance values to determine an appropriate response or corrective measure.