通过动态视图的扩展事件来查看
SELECT xed.value('@timestamp', 'datetime') as Creation_Date, xed.query('.') AS Extend_Event FROM ( SELECT CAST([target_data] AS XML) AS Target_Data FROM sys.dm_xe_session_targets AS xt INNER JOIN sys.dm_xe_sessions AS xs ON xs.address = xt.event_session_address WHERE xs.name = N'system_health' AND xt.target_name = N'ring_buffer' ) AS XML_Data CROSS APPLY Target_Data.nodes('RingBufferTarget/event[@name="xml_deadlock_report"]') AS XEventData(xed) ORDER BY Creation_Date DESC