SQL> show parameter timed_statistics

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
timed_statistics                     boolean     TRUE
SQL> show parameter max_dump_file_size

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
max_dump_file_size                   string      UNLIMITED
SQL> show parameter user_dump_dest

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
user_dump_dest                       string      /home/oracle/oracle/product/10
                                                 .2.0/db_1/admin/pm/udump
SQL>

SQL> alter session set sql_trace true;

Session altered.

获取产生的trc的文件名

SQL> select spid,s.sid,s.serial#,p.username,p.program
  2   from v$process p, v$session s
  3  where p.addr=s.paddr
  4  and s.sid=(select sid from v$mystat where rownum=1);

SPID                SID    SERIAL# USERNAME
------------ ---------- ---------- ---------------
PROGRAM
------------------------------------------------
3467                159          3 oracle
oracle@linren (TNS V1-V3)

tkprof pm_ora_12368.trc rich1.txt explain=user/passwd record=record1.sql

SID=140,SERIAL#=1527

SQL> exec dbms_monitor.session_trace_enable(140,1527,true,false);

PL/SQL procedure successfully completed.

SQL> exec dbms_monitor.session_trace_disable(140,1527);