Script to determine session on packages ?

 Hi all,

   I have been used bellow script to determine sessions are using on some tables but to package seem as it not effect.

 

select

b.username,

c.object_name,

b.sid,

b.serial#,

b.machine

from

gv$locked_object a ,

gv$session b,

dba_objects c

where

b.sid = a.session_id

and

a.object_id = c.object_id

and c.object_name='TABLE_REPORT';

   How apply to package ?

   Thanks.