An asymmetric multiprocessor apparatus 2 is provided in which respective slave diagnostic units 20, 22, 24 are associated with corresponding execution mechanisms 6, 8, 10. A master diagnostic unit 26 tracks the migration of thread execution between the different execution mechanisms 6, 8, 10 so that...http://www.google.co.uk/patents/US20080098262?utm_source=gb-gplus-sharePatent US20080098262 - Performing diagnostic operations upon an asymmetric multiprocessor apparatus
