Performance Schema events_stages_summary_global_by_event_name Table

The table lists stage events, summarized by thread and event name.

It contains the following columns:

Column	Description
Column	Description
EVENT_NAME	Event name.
COUNT_STAR	Number of summarized events, which includes all timed and untimed events.
SUM_TIMER_WAIT	Total wait time of the timed summarized events.
MIN_TIMER_WAIT	Minimum wait time of the timed summarized events.
AVG_TIMER_WAIT	Average wait time of the timed summarized events.
MAX_TIMER_WAIT	Maximum wait time of the timed summarized events.

Example

SELECT * FROM events_stages_summary_global_by_event_name\G
...
*************************** 106. row ***************************
    EVENT_NAME: stage/sql/Waiting for trigger metadata lock
    COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
*************************** 107. row ***************************
    EVENT_NAME: stage/sql/Waiting for event metadata lock
    COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
*************************** 108. row ***************************
    EVENT_NAME: stage/sql/Waiting for commit lock
    COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0
*************************** 109. row ***************************
    EVENT_NAME: stage/aria/Waiting for a resource
    COUNT_STAR: 0
SUM_TIMER_WAIT: 0
MIN_TIMER_WAIT: 0
AVG_TIMER_WAIT: 0
MAX_TIMER_WAIT: 0

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