The following table lists each Performance Schema table and provides a short description of each one.
Table 22.1 Performance Schema Tables
| Table Name | Description |
|---|---|
cond_instances | synchronization object instances |
events_waits_current | Current wait events |
events_waits_history | Most recent wait events for each thread |
events_waits_history_long | Most recent wait events overall |
events_waits_summary_by_instance | Wait events per instance |
events_waits_summary_by_thread_by_event_name | Wait events per thread and event name |
events_waits_summary_global_by_event_name | Wait events per event name |
file_instances | File instances |
file_summary_by_event_name | File events per event name |
file_summary_by_instance | File events per file instance |
mutex_instances | Mutex synchronization object instances |
performance_timers | Which event timers are available |
rwlock_instances | Lock synchronization object instances |
setup_consumers | Consumers for which event information can be stored |
setup_instruments | Classes of instrumented objects for which events can be collected |
setup_timers | Current event timer |
threads | Information about server threads |