查询总耗CPU最多与平均耗CPU最多的SQL语句

总耗CPU最多的前20个SQL

SELECT TOP 20

    total_worker_time/1000 AS [总消耗CPU 时间(ms)],execution_count [运行次数],

    qs.total_worker_time/qs.execution_count/1000 AS [平均消耗CPU 时间(ms)],

    last_execution_time AS [最后一次执行时间],max_worker_time /1000 AS [最大执行时间(ms)],

    SUBSTRING(qt.text,qs.statement_start_offset/2+1,

        (CASE WHEN qs.statement_end_offset = -1

        THEN DATALENGTH(qt.text)

        ELSE qs.statement_end_offset END -qs.statement_start_offset)/2 + 1)

    AS [使用CPU的语法], qt.text [完整语法],

    qt.dbid, dbname=db_name(qt.dbid),

    qt.objectid,object_name(qt.objectid,qt.dbid) ObjectName

FROM sys.dm_exec_query_stats qs WITH(nolock)

CROSS apply sys.dm_exec_sql_text(qs.sql_handle) AS qt

WHERE execution_count>1

ORDER BY  total_worker_time DESC

平均耗CPU最多的前20个SQL：

SELECT TOP 20

    total_worker_time/1000 AS [总消耗CPU 时间(ms)],execution_count [运行次数],

    qs.total_worker_time/qs.execution_count/1000 AS [平均消耗CPU 时间(ms)],

    last_execution_time AS [最后一次执行时间],min_worker_time /1000 AS [最小执行时间(ms)],

    max_worker_time /1000 AS [最大执行时间(ms)],

    SUBSTRING(qt.text,qs.statement_start_offset/2+1,

        (CASE WHEN qs.statement_end_offset = -1

        THEN DATALENGTH(qt.text)

        ELSE qs.statement_end_offset END -qs.statement_start_offset)/2 + 1)

    AS [使用CPU的语法], qt.text [完整语法],

    qt.dbid, dbname=db_name(qt.dbid),

    qt.objectid,object_name(qt.objectid,qt.dbid) ObjectName

FROM sys.dm_exec_query_stats qs WITH(nolock)

CROSS apply sys.dm_exec_sql_text(qs.sql_handle) AS qt

WHERE  execution_count>1

ORDER BY (qs.total_worker_time/qs.execution_count/1000) DESC