1. A computer-readable medium storing a program that, when executed by a processor of a host system, causes the processor to: obtain values indicative of a plurality of states of virtual to physical memory mapping used by a memory management unit associated with a processor of a target system, wherein the host system obtains the values from trace data, the trace data captured while a traced program executes; and display an indication of a proportion of an execution time the processor of the target system dedicated to each of a plurality of tasks during the execution time, each task associated with a particular state of the virtual to physical memory mapping.