Checking Parameter:
-------------------
select * from v$statistics_level
            where
          statistics_name = 'Timed Statistics'

Result is == Typical


Searching Session Details:
-------------------------

select username, sid,serial#,osuser,machine from v$session
		order by 1


Start Tracing:
--------------
EXEC DBMS_SYSTEM.set_sql_trace_in_session(sid=>1432, serial#=>41755, sql_trace=>TRUE);

EXEC DBMS_SYSTEM.set_sql_trace_in_session(sid=>1432, serial#=>41755, sql_trace=>FALSE);

SELECT p.tracefile
		FROM   v$session s
		       JOIN v$process p ON s.paddr = p.addr
		WHERE  s.sid = 1432;