/*
  This script is to list the trace file name for every process. It takes the SPID and displays the complete trace file name, if one would exists.
*/

SET echo OFF lines 150
COLUMN username FORMAT a10
COLUMN trace_file FORMAT a70

SELECT s.username
     , s.sid
     , s.serial#
     , p.spid 
     ,    udump.VALUE
       || DECODE ( SIGN ( INSTR ( udump.VALUE, '\' ) - 0 )
                 -- If `\` exists in path then use '\' as directory separator
                 ,1, '\'
                 , '/'
                 )
       || LOWER ( db.VALUE )
       || '_ora_'
       || TO_CHAR ( p.spid, 'fm00000' )
       || '.trc' "TRACE_FILE"
  FROM v$process p
     , v$session s
     , v$parameter udump
     , v$parameter db
 WHERE p.addr = s.paddr
   AND udump.NAME = 'user_dump_dest'
   AND db.NAME = 'db_name'
   AND s.username IS NOT NULL;

SET echo ON