XEVENT入门

XEVENT:在指定事件发生时记录，可将日志放在内存或文件中，效率比sqlprofile高。
参考：
Introduction to Extended Events
Troubleshooting Error 511 using XEvents

msdn

An XEvent A Day

相关DMV1
相关DMV2

相关DMV:

Events
-- Event objects
SELECT p.name AS package_name,
       o.name AS event_name,
       o.description
FROM sys.dm_xe_packages AS p
JOIN sys.dm_xe_objects AS o
     ON p.guid = o.package_guid
WHERE (p.capabilities IS NULL OR p.capabilities & 1 = 0)
  AND (o.capabilities IS NULL OR o.capabilities & 1 = 0)
  AND o.object_type = ‘event‘
Actions

-- Actions
SELECT p.name AS package_name,
       o.name AS action_name,
       o.description
FROM sys.dm_xe_packages AS p
JOIN sys.dm_xe_objects AS o
     ON p.guid = o.package_guid
WHERE (p.capabilities IS NULL OR p.capabilities & 1 = 0)
  AND (o.capabilities IS NULL OR o.capabilities & 1 = 0)
  AND o.object_type = ‘action‘
Targets

--Event获取的数据

select * from sys.dm_xe_object_columns
where object_name = ‘lock_acquired‘ and column_type = ‘data‘

-- Targets
SELECT p.name AS package_name,
       o.name AS target_name,
       o.description
FROM sys.dm_xe_packages AS p
JOIN sys.dm_xe_objects AS o ON p.guid = o.package_guid
WHERE (p.capabilities IS NULL OR p.capabilities & 1 = 0)
  AND (o.capabilities IS NULL OR o.capabilities & 1 = 0)
  AND o.object_type = ‘target‘