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SQL Monitor Report
1. SQL Monitor简介
在Oracle Database 11g中，系统自动监控符合以下条件的SQL，并收集执行时的细节信息：
1）采用并行方式执行
2）单次执行消耗的CPU或IO超过5秒
3）通过使用/* +MONITOR*/ HINT的语句
系统收集的SQL信息会存储在V$SQL_MONITOR、V$SQL_PLAN_MONITOR视图中
2. SQL Monitor 参数设置
STATISTICS_LEVEL设置为：'TYPICAL'（缺省）或者 'ALL'
CONTROL_MANAGEMENT_PACK_ACCESS设置为：'DIAGNOSTIC+TUNING'
3. SQL Monitor report获取方法
SQL Monitoring可以采用以下3种方式展现：
1）EM：Performance ——>右下角的SQL Monitoring ——>Monitored SQL Executions
2）SQL Developer：Tools ——>Monitor SQL
3）DBMS_SQLTUNE包 ——> DBMS_SQLTUNE.report_sql_monitor
其报告格式有：'TEXT'，'HTML'，'XML' ，'ACTIVE'，其中'ACTIVE'只在11g R2以后才支持，使用HTML和Flash的方式显示动态的报告，需要从oracle官网读取相关联的Javascript和Flash。
备注：
如果不能连到Internet又想看ACTIVE Report可以下载相关的库文件到本地的HTTP服务器上，然后用BASE_PATH来制定库文件的位置。
在本地HTTP服务器上创建目录，然后下载下面的文件：
mkdir -p /var/www/html/sqlmon
cd /var/www/html/sqlmon
wget --mirror --no-host-directories --cut-dirs=1 http://download.oracle.com/otn_software/emviewers/scripts/flashver.js
wget --mirror --no-host-directories --cut-dirs=1 http://download.oracle.com/otn_software/emviewers/scripts/loadswf.js
wget --mirror --no-host-directories --cut-dirs=1 http://download.oracle.com/otn_software/emviewers/scripts/document.js
wget --mirror --no-host-directories --cut-dirs=1 http://download.oracle.com/otn_software/emviewers/sqlmonitor/11/sqlmonitor.swf
在调用函数时加上参数，比如：base_path => 'http://ipaddr/sqlmon'
4. SQL Monitor report生成实例
语法：
DBMS_SQLTUNE.REPORT_SQL_MONITOR()
FUNCTION REPORT_SQL_MONITOR RETURNS CLOB
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SQL_ID VARCHAR2 IN DEFAULT
SESSION_ID NUMBER IN DEFAULT
SESSION_SERIAL NUMBER IN DEFAULT
SQL_EXEC_START DATE IN DEFAULT
SQL_EXEC_ID NUMBER IN DEFAULT
INST_ID NUMBER IN DEFAULT
START_TIME_FILTER DATE IN DEFAULT
END_TIME_FILTER DATE IN DEFAULT
INSTANCE_ID_FILTER NUMBER IN DEFAULT
PARALLEL_FILTER VARCHAR2 IN DEFAULT
PLAN_LINE_FILTER NUMBER IN DEFAULT
EVENT_DETAIL VARCHAR2 IN DEFAULT
BUCKET_MAX_COUNT NUMBER IN DEFAULT
BUCKET_INTERVAL NUMBER IN DEFAULT
BASE_PATH VARCHAR2 IN DEFAULT
LAST_REFRESH_TIME DATE IN DEFAULT
REPORT_LEVEL VARCHAR2 IN DEFAULT
TYPE VARCHAR2 IN DEFAULT
SQL_PLAN_HASH_VALUE NUMBER IN DEFAULT
4.1 Text文本格式
1） Sqlplus 参数设置查看
show parameter statistics_level;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
statistics_level string TYPICAL
show parameter CONTROL_MANAGEMENT_PACK_ACCESS;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_management_pack_access string DIAGNOSTIC+TUNING
2） 执行模拟SQL
[oracle@node4 sqlmonitor]$ sqlplus -S /nolog
conn /as sysdba;
select /* +moniotr*/* from scott.dept where deptno<=30;
DEPTNO DNAME LOC
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
3） 从v$sql_monitor获取模拟SQL信息
col sql_text for a60;
set line 200;
set pagesize 20000;
select sql_id,sql_text from v$sql_monitor where sql_text like '%scott.dept%';
SQL_ID SQL_TEXT
------------- ------------------------------------------------------------
74qqqwntwzxb1 select /*+ Monitor*/ * from scott.dept where deptno=10
4） 生成text类型报告
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
spool report_sql_monitor_text.txt
SELECT DBMS_SQLTUNE.REPORT_SQL_MONITOR(
SQL_ID => '74qqqwntwzxb1',
TYPE => 'TEXT',
REPORT_LEVEL => 'ALL') AS REPORT
FROM dual;
spool off
5） 展示报告内容
4.2 HTML格式
1）生成HTML类型报告
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
spool report_sql_monitor_html.html
SELECT DBMS_SQLTUNE.REPORT_SQL_MONITOR(
SQL_ID => '74qqqwntwzxb1',
TYPE => 'HTML',
REPORT_LEVEL => 'ALL') AS REPORT
FROM dual;
spool off
2）html类型报告展示
4.3 Active格式
如不能联网，需要下载相应的flash组件、脚本，详细见SQL Monitor report获取方法
1）active类型报告生成
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
spool report_sql_monitor_active.html
SELECT DBMS_SQLTUNE.REPORT_SQL_MONITOR(
SQL_ID => '74qqqwntwzxb1',
TYPE => 'ACTIVE',
REPORT_LEVEL => 'ALL',
BASE_PATH => 'http://ipaddr/sqlmon') AS report
FROM dual;
spool off
2）active类型报告展示
可以通过启动http服务，将文件放置在发布目录下，通过http://ipaddr/sqlmon/report_sql_monitor_active.html形式查看（需下载相应的脚本和组件）
或者拿到windows本地查看
5. SQL Monitor report其他方法使用
1）DBMS_SQLTUNE.REPORT_SQL_MONITOR_LIST
FUNCTION REPORT_SQL_MONITOR_LIST RETURNS CLOB
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SQL_ID VARCHAR2 IN DEFAULT
SESSION_ID NUMBER IN DEFAULT
SESSION_SERIAL NUMBER IN DEFAULT
INST_ID NUMBER IN DEFAULT
ACTIVE_SINCE_DATE DATE IN DEFAULT
ACTIVE_SINCE_SEC NUMBER IN DEFAULT
LAST_REFRESH_TIME DATE IN DEFAULT
REPORT_LEVEL VARCHAR2 IN DEFAULT
AUTO_REFRESH NUMBER IN DEFAULT
BASE_PATH VARCHAR2 IN DEFAULT
TYPE VARCHAR2 IN DEFAULT
需要Oracle 11g R2以上版本。此函数用于产生一个对监控SQL的汇总页，类似于EM中的“Monitored SQL Executions”。
常用参数：TYPE和REPORT_LEVEL，用法与REPORT_SQL_MONITOR类似。
例如：
conn /as sysdba;
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
SPOOL REPORT_SQL_MONITOR_LIST.HTML
SELECT dbms_sqltune.report_sql_monitor_list(
type => 'HTML',
report_level => 'ALL') AS report
FROM dual;
SPOOL OFF
2）DBMS_SQLTUNE.REPORT_SQL_DETAIL
FUNCTION REPORT_SQL_DETAIL RETURNS CLOB
Argument Name Type In/Out Default?
------------------------------ ----------------------- ------ --------
SQL_ID VARCHAR2 IN DEFAULT
SQL_PLAN_HASH_VALUE NUMBER IN DEFAULT
START_TIME DATE IN DEFAULT
DURATION NUMBER IN DEFAULT
INST_ID NUMBER IN DEFAULT
DBID NUMBER IN DEFAULT
EVENT_DETAIL VARCHAR2 IN DEFAULT
BUCKET_MAX_COUNT NUMBER IN DEFAULT
BUCKET_INTERVAL NUMBER IN DEFAULT
TOP_N NUMBER IN DEFAULT
REPORT_LEVEL VARCHAR2 IN DEFAULT
TYPE VARCHAR2 IN DEFAULT
DATA_SOURCE VARCHAR2 IN DEFAULT
END_TIME DATE IN DEFAULT
DURATION_STATS NUMBER IN DEFAULT
需要Oracle 11g R2以上版本。此函数用于根据各种条件参数（包括：start_time, end_time, duration, inst_id, dbid, event_detail, bucket_max_count, bucket_interval, top_n, duration_stats），产生比使用REPORT_SQL_MONITOR更加详细的SQL报告。
例如：
conn /as sysdba;
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
SPOOL REPORT_SQL_DETAIL_HTML.HTML
SELECT dbms_sqltune.REPORT_SQL_DETAIL(SQL_ID => '74qqqwntwzxb1',
TYPE => 'active',
report_level => 'ALL') AS report
FROM dual;
SPOOL OFF
ERROR:
ORA-13971: Component "sql_detail" unknown
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.DBMS_REPORT", line 166
ORA-06512: at "SYS.DBMS_REPORT", line 612
ORA-06512: at "SYS.DBMS_REPORT", line 1079
ORA-06512: at "SYS.DBMS_REPORT", line 1135
ORA-06512: at "SYS.DBMS_SQLTUNE", line 20101
ORA-06512: at line 1
（上述错误在指定html格式，调整为active格式即可）
可以针对topSQL
conn /as sysdba;
SET LONG 1000000
SET LONGCHUNKSIZE 1000000
SET LINESIZE 1000
SET PAGESIZE 0
SET TRIM ON
SET TRIMSPOOL ON
SET ECHO OFF
SET FEEDBACK OFF
SPOOL REPORT_SQL_DETAIL.HTML
SELECT dbms_sqltune.report_sql_detail(top_n => 5,
TYPE => 'active',
report_level => 'ALL') AS report
FROM dual;
SPOOL OFF