A system and method is provided for measuring lock usage in a non-intrusive manner. Measurements are performed only when a lock is contended. When a lock is requested and the lock is available (i.e., is not contended), the only data gathered is a counter that is incremented to keep track of the number...http://www.google.fr/patents/US8010948?utm_source=gb-gplus-shareBrevet US8010948 - System and method for measuring latch contention
