For information about configuring whether to collect wait events, see Section 25.12.4, “Performance Schema Wait Event Tables”. The events_waits_current table has these columns: THREAD_ID, EVENT_ID The thread associated with the event and the thread current event number when the event starts...
29.12.4.1 The events_waits_current Table Theevents_waits_currenttable contains current wait events. The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system variable for configuring the table size. ...