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19 lines
1.7 KiB
19 lines
1.7 KiB
2 months ago
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create definer = `mysql.sys`@localhost view sys.x$wait_classes_global_by_avg_latency as
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select substring_index(`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME`, '/',
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3) AS `event_class`,
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sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`) AS `total`,
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sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,
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min(`performance_schema`.`events_waits_summary_global_by_event_name`.`MIN_TIMER_WAIT`) AS `min_latency`,
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ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) /
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nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`), 0)),
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0) AS `avg_latency`,
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max(`performance_schema`.`events_waits_summary_global_by_event_name`.`MAX_TIMER_WAIT`) AS `max_latency`
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from `performance_schema`.`events_waits_summary_global_by_event_name`
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where ((`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT` > 0) and
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(`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME` <> 'idle'))
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group by `event_class`
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order by ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) /
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nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`), 0)),
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0) desc;
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