Oracle locked or long wait job

SELECT s.SID, USERNAME AS "User", PROGRAM, MODULE,
ACTION, LOGON_TIME "Logon", l.*
FROM V$SESSION s, V$ENQUEUE_LOCK l
WHERE l.SID = s.SID
AND l.TYPE = 'CF'
AND l.ID1 = 0
AND l.ID2 = 2;

highWait.sql

SELECT o.object_name, o.object_type, a.event,
SUM(a.wait_time +
a.time_waited) total_wait_time
FROM v$active_session_history a,
dba_objects o
WHERE a.sample_time between sysdate - 30/2880 and sysdate
AND a.current_obj# = o.object_id
GROUP BY o.object_name, o.object_type, a.event
ORDER BY total_wait_time;