List of Performance Schema Tables

MariaDB starting with 5.5

The Performance Schema was introduced in MariaDB 5.5.

Below is a list of all performance_schema tables as well as a brief description of each of them.

Table Description
accounts Client account connection statistics.
cond_instances Synchronization object instances.
events_stages_current Current stage events.
events_stages_history Ten most recent stage events per thread.
events_stages_history_long Ten thousand most recent stage events.
events_stages_summary_by_account_by_event_name Summarized stage events per account and event name.
events_stages_summary_by_host_by_event_name Summarized stage events per host and event name.
events_stages_summary_by_thread_by_event_name Summarized stage events per thread and event name.
events_stages_summary_by_user_by_event_name Summarized stage events per user name and event name.
events_stages_summary_global_by_event_name Summarized stage events per event name.
events_statements_current Current statement events.
events_statements_history Ten most recent events per thread.
events_statements_history_long Ten thousand most recent stage events.
events_statements_summary_by_account_by_event_name Summarized statement events per account and event name.
events_statements_summary_by_digest Summarized statement events by scheme and digest.
events_statements_summary_by_host_by_event_name Summarized statement events by host and event name.
events_statements_summary_by_thread_by_event_name Summarized statement events by thread and event name.
events_statements_summary_by_user_by_event_name Summarized statement events by user and event name.
events_statements_summary_global_by_event_name Summarized statement events by event name.
events_waits_current Current wait events.
events_waits_history Ten most recent wait events per thread.
events_waits_history_long Ten thousand most recent wait events per thread.
events_waits_summary_by_account_by_event_name Summarized wait events by account and event name.
events_waits_summary_by_host_by_event_name Summarized wait events by host and event name.
events_waits_summary_by_instance Summarized wait events by instance.
events_waits_summary_by_thread_by_event_name Summarized wait events by thread and event name.
events_waits_summary_by_user_by_event_name Summarized wait events by user and event name.
events_waits_summary_global_by_event_name Summarized wait events by event name.
file_instances Seen files.
file_summary_by_event_name File events summarized by event name.
file_summary_by_instance File events summarized by instance.
host_cache Host and IP information.
hosts Connections by host.
mutex_instances Seen mutexes.
objects_summary_global_by_type Object wait events.
performance_timers Available event timers.
rwlock_instances Seen read-write locks.
session_account_connect_attrs Current session connection attributes.
session_connect_attrs All session connection attributes.
setup_actors Details on foreground thread monitoring.
setup_consumers Consumers for which event information is stored.
setup_instruments Instrumented objects for which events are collected.
setup_objects Objects to be monitored.
setup_timers Currently selected event timers.
socket_instances Active connections.
socket_summary_by_event_name Timer and byte count statistics by socket instrument.
socket_summary_by_instance Timer and byte count statistics by socket instance.
table_io_waits_summary_by_index_usage Aggregate table I/O wait events by index.
table_io_waits_summary_by_table Aggregate table I/O wait events by table.
table_lock_waits_summary_by_table Aggregate table lock wait events by table.
threads Server thread information.
users Connection statistics by user.
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