历史执行Sql语句性能分析 CPU资源占用时间分析

时间:2024-04-15 10:16:14

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