1. At least one non-transitory computer-readable storage medium having a plurality of instructions configured to enable a computing device, in response to execution of the instructions by the computing device, to: receive a usage model having a plurality of user event/behavior statistics; and generate and output a plurality of traces of user events/behaviors over a period of time, based at least in part on the user event/behavior statistics, to form a workload for input into an emulator configured to emulate a perceptual computing system.