查询系统卡顿死锁语句

SELECT t1.resource_type AS [锁类型], DB_NAME(resource_database_id) AS [数据库名], t1.resource_associated_entity_id AS [阻塞资源对象],t1.resource_description as [资源描述信息], t1.request_mode AS [请求的锁], t1.request_session_id AS [等待会话], t2.wait_duration_ms AS [等待时间], (SELECT [text] FROM sys.dm_exec_requests AS r WITH (NOLOCK) CROSS APPLY sys.dm_exec_sql_text(r.[sql_handle]) WHERE r.session_id = t1.request_session_id ) AS [等待会话执行的批SQL], (SELECT SUBSTRING(qt.[text],r.statement_start_offset/2, (CASE WHEN r.statement_end_offset = -1 THEN LEN(CONVERT(nvarchar(max), qt.[text])) * 2 ELSE r.statement_end_offset END )/2) FROM sys.dm_exec_requests AS r WITH (NOLOCK) CROSS APPLY sys.dm_