性能检测参考SQL语句

/****** Object:  StoredProcedure [dbo].[SP_CPU]    Script Date: 12/09/2018 19:01:24 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE Proc [dbo].[SP_CPU]
as
-- 单行平均耗时排行
SELECT TOP 10 total_worker_time / execution_count/1000       AS [Avg CPU Time],
              (SELECT Substring(text, statement_start_offset / 2, ( CASE
                                                                      WHEN statement_end_offset = -1 THEN Len(CONVERT(NVARCHAR(max), text)) * 2
                                                                      ELSE statement_end_offset
                                                                    END - statement_start_offset ) / 2)
               FROM   sys.Dm_exec_sql_text(sql_handle)) AS query_text,
              last_execution_time,execution_count,total_worker_time,last_worker_time,min_worker_time,max_worker_time,total_elapsed_time,last_elapsed_time,min_elapsed_time,max_elapsed_time,last_logical_reads,last_logical_writes,last_physical_reads
FROM   sys.dm_exec_query_stats
ORDER  BY [Avg CPU Time] DESC 

GO

 

补充：

-- 汇总平均耗时排行
SELECT TOP 10 query_stats.query_hash AS "Query Hash", 
    SUM(query_stats.total_worker_time) / SUM(query_stats.execution_count)/1000 AS "Avg CPU Time",
    MIN(query_stats.statement_text) AS "Statement Text"
FROM 
    (SELECT QS.*, 
    SUBSTRING(ST.text, (QS.statement_start_offset/2) + 1,
    ((CASE statement_end_offset 
        WHEN -1 THEN DATALENGTH(ST.text)
        ELSE QS.statement_end_offset END 
            - QS.statement_start_offset)/2) + 1) AS statement_text
     FROM sys.dm_exec_query_stats AS QS
     CROSS APPLY sys.dm_exec_sql_text(QS.sql_handle) as ST) as query_stats
GROUP BY query_stats.query_hash
ORDER BY 2 DESC;
GO

 

-- 单行耗时排行
SELECT TOP 10 total_worker_time / execution_count/1000 AS [Avg CPU Time],
        SUBSTRING(ST.text, (QS.statement_start_offset/2) + 1,
        ((CASE statement_end_offset 
            WHEN -1 THEN DATALENGTH(ST.text)
            ELSE QS.statement_end_offset END 
                - QS.statement_start_offset)/2) + 1) AS statement_text,
        QP.query_plan,
        DB_NAME(ST.dbid) AS db_name,
                obj.name AS obj_name,
last_execution_time,execution_count,total_worker_time,last_worker_time,min_worker_time,max_worker_time,total_elapsed_time,last_elapsed_time,min_elapsed_time,max_elapsed_time,last_logical_reads,last_logical_writes,last_physical_reads
FROM sys.dm_exec_query_stats AS QS
CROSS APPLY sys.dm_exec_sql_text(QS.sql_handle) as ST
CROSS APPLY sys.dm_exec_query_plan(QS.plan_handle) AS QP
CROSS APPLY sysobjects obj
WHERE ST.dbid = DB_ID() 
AND ST.objectid = obj.id 
--AND obj.name LIKE 'pr_get_%'
ORDER  BY [Avg CPU Time] DESC     

-- 对象耗时排行
SELECT TOP 10 cc.db_name,cc.obj_name,
    SUM(total_worker_time) / SUM(execution_count)/1000 AS 'Avg CPU Time',
    MIN(statement_text) AS 'Statement Text'
FROM (
SELECT 
        SUBSTRING(ST.text, (QS.statement_start_offset/2) + 1,
        ((CASE statement_end_offset 
            WHEN -1 THEN DATALENGTH(ST.text)
            ELSE QS.statement_end_offset END 
                - QS.statement_start_offset)/2) + 1) AS statement_text,
        QP.query_plan,
        DB_NAME(ST.dbid) AS db_name,
        obj.name AS obj_name,
last_execution_time,execution_count,total_worker_time,last_worker_time,min_worker_time,max_worker_time,total_elapsed_time,last_elapsed_time,min_elapsed_time,max_elapsed_time,last_logical_reads,last_logical_writes,last_physical_reads
FROM sys.dm_exec_query_stats AS QS
CROSS APPLY sys.dm_exec_sql_text(QS.sql_handle) as ST
CROSS APPLY sys.dm_exec_query_plan(QS.plan_handle) AS QP
CROSS APPLY sysobjects obj
WHERE ST.dbid = DB_ID() 
AND ST.objectid = obj.id 
--AND obj.name LIKE 't_bd_%'
) cc
GROUP BY cc.db_name,cc.obj_name
ORDER BY [Avg CPU Time] DESC

 

SELECT TOP 10 sql_handle,plan_handle,* FROM sys.dm_exec_query_stats

-- 查SQL语句
SELECT dbid,objectid,encrypted,text,* FROM sys.dm_exec_sql_text (0x0200000096B5B034CDB8E45687480BB87E8A373F35AB3631)
-- 查SQL语句对应的执行计划
SELECT dbid,objectid,encrypted,query_plan,* FROM sys.dm_exec_query_plan (0x0600140096B5B03440E140A2000000000000000000000000)