DBA Scripts:获得跟踪文件名称的ge…

作者：eygle | English Version 【转载时请以超链接形式标明文章出处和作者信息及本声明】

链接：http://www.eygle.com/archives/2007/05/script_gettrcname.html

这个脚本用于获取跟踪文件的名称的，可以用于Linux/Unix环境，已经被包含在书的脚本包中。
其内容如下：

SELECT   
d.VALUE

      
|| '/'

      
|| LOWER (RTRIM (i.INSTANCE, CHR (0)))

      
|| '_ora_'

      
|| p.spid

      
|| '.trc' trace_file_name

  FROM (SELECT p.spid

         
FROM v$mystat m, v$session s, v$process p

        
WHERE m.statistic# = 1 AND s.SID = m.SID AND p.addr = s.paddr)
p,

      
(SELECT t.INSTANCE

         
FROM v$thread t, v$parameter v

        
WHERE v.NAME = 'thread'

          
AND (v.VALUE = 0 OR t.thread# = TO_NUMBER (v.VALUE))) i,

      
(SELECT VALUE

         
FROM v$parameter

        
WHERE NAME = 'user_dump_dest') d

/

在Linux下执行该脚本输入类似：

SQL> @gettrcname
TRACE_FILE_NAME

---------------------------------------------------------------------------------------------------

/opt/oracle/admin/eygle/udump/eygle_ora_8415.trc

如我们执行一个跟踪操作：

SQ
4000
L> alter session set sql_trace=true;
Session altered.

SQL> select count(*) from dba_users;

COUNT(*)

----------

9

SQL> ! head
/opt/oracle/admin/eygle/udump/eygle_ora_8415.trc

/opt/oracle/admin/eygle/udump/eygle_ora_8415.trc

Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production

With the Partitioning option

JServer Release 9.2.0.4.0 - Production

ORACLE_HOME = /opt/oracle/product/9.2.0

System name: Linux

Node name: jumper.hurray.com.cn

Release: 2.4.21-15.EL

Version: #1 Thu Apr 22 00:27:41 EDT 2004

Machine: i686

收录一下blue_prince提供的更简化的脚本:

SELECT   
a.VALUE

      
|| b.symbol

      
|| c.instance_name

      
|| '_ora_'

      
|| d.spid

      
|| '.trc' trace_file

  FROM (SELECT VALUE

         
FROM v$parameter

        
WHERE NAME = 'user_dump_dest') a,

      
(SELECT SUBSTR (VALUE, -6, 1) symbol

         
FROM v$parameter

        
WHERE NAME = 'user_dump_dest') b,

      
(SELECT instance_name

         
FROM v$instance) c,

      
(SELECT spid

         
FROM v$session s, v$process p, v$mystat m

        
WHERE s.paddr = p.addr AND s.SID = m.SID AND m.statistic# = 0)
d

/

简单解释一下，供我的读者们参考