oradebug doc event name trace

SQL> oradebug doc event name trace

trace: Main event to control UTS tracing

Usage
-------
trace [ component       <string>[0] ]
   disk            < default | lowest | low | medium | high | highest | disable >,
   memory          < default | lowest | low | medium | high | highest | disable >,
   get_time        < disable | default | seq | highres | seq_highres >,
   get_stack       < disable | default | force >,
   operation       <string>[32],
   function        <string>[32],
   file            <string>[32],
   line            <ub4>,
   conuid          <ub4>