历史执行Sql语句性能分析 CPU资源占用时间分析

SELECT

HIGHEST_CPU_QUERIES.PLAN_HANDLE,

HIGHEST_CPU_QUERIES.TOTAL_WORKER_TIME,

Q.DBID,

Q.OBJECTID,

Q.NUMBER,

Q.ENCRYPTED,

Q.[TEXT],max_WORKER_TIME,last_execution_time

FROM

(SELECT TOP 50

QS.PLAN_HANDLE,

QS.TOTAL_WORKER_TIME,

QS.execution_count,max_WORKER_TIME,last_execution_time

FROM

SYS.DM_EXEC_QUERY_STATS QS where datediff(d, last_execution_time,getdate())=0

ORDER BY QS.TOTAL_WORKER_TIME DESC) AS HIGHEST_CPU_QUERIES

CROSS APPLY SYS.DM_EXEC_SQL_TEXT(PLAN_HANDLE) AS Q

ORDER BY HIGHEST_CPU_QUERIES.TOTAL_WORKER_TIME DESC