Utlbstat and utlestat script
SQL> show parameter timed_statistics;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
timed_statistics boolean FALSE
SQL> alter system set timed_statistics=true;
System altered.
SQL> @C:\oracle\ora92\rdbms\admin\utlbstat.sql
Pass long amount of time.
SQL> @C:\oracle\ora92\rdbms\admin\utlestat.sql;
By Default Script will store in current directory.