A system includes a processor and machine readable instructions stored on a tangible machine readable medium, which when executed by the processor, configure the processor to collect data regarding resource use within a computing system, the data being collected periodically, without running a diagnostic program, and before occurrence of a diagnosis worthy event; and provide the collected data to the diagnostic program executed after the occurrence of the diagnosis worthy event so that the diagnostic program has data from before the occurrence of the diagnosis worthy event to enable determination of a cause of the diagnosis worthy event.