The cumulative history of events waited for (V$SESSION_WAIT) in each session.
Columns SID EVENT TOTAL_WAITS TOTAL_TIMEOUTS TIME_WAITED AVERAGE_WAIT MAX_WAIT TIME_WAITED_MICRO
Related:
V$ACCESS V$ENQUEUE_STAT V$MYSTAT V$PROCESS V$SESSION V$SESSION_CONNECT_INFO V$SESSION_CURSOR_CACHE V$SESSION_LONGOPS V$SESSION_OBJECT_CACHE V$SESSION_WAIT V$SESSTAT V$SESS_IO V$SYSTEM_EVENT