查询CPU耗时

查询CPU耗时

--查询CPU耗时最多的50个查询 SELECT TOP 50 DB_NAME(dbid) AS DBNAME, OBJECT_NAME(objectid,dbid) as OBJECTNAME, total_worker_time/execution_count/1000/1000 AS [CPU平均执行(秒)], SUBSTRING(st.text, (qs.statement_start_offset/2)+1, ((CASE qs.statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2) + 1) N'执行语句' ,st.text N'完整语句' ,total_worker_time/1000/1000 AS [总消耗CPU 时间(秒)] ,execution_count [运行次数] ,qs.total_worker_time/qs.execution_count/1000/1000 AS [平均执行CPU 时间(秒)] ,last_execution_time AS [最后一次执行时间] ,max_worker_time /1000/1000 AS [最大执行时间(秒)] ,total_physical_reads N'物理读取总次数' ,total_logical_reads/execution_count N'每次逻辑读次数' ,total_logical_reads N'逻辑读取总次数' ,total_logical_writes N'逻辑写入总次数' ,* FROM sys.dm_exec_query_stats AS qs CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS st WHERE last_execution_time> dateadd(minute,-100,getdate()) ORDER BY total_worker_time/execution_count DESC; GO