text: --preview the perf of PLSQL code
  SELECT a.runid, a.run_owner, a.run_comment,
         a.run_total_time / 1000000000 run_secs,
         c.total_occur,
         c.total_time / 1000000000 line_total_secs,
         b.unit_type, b.unit_owner, b.unit_name, c.line#, u.text
    FROM plsql_profiler_runs a
    JOIN plsql_profiler_units b ON ( a.runid = b.runid )
    JOIN plsql_profiler_data c ON ( a.runid = c.runid AND b.unit_number = c.unit_number)
    LEFT JOIN dba_source u ON (b.unit_name = u.NAME AND b.unit_owner = u.owner AND c.line# = u.line AND b.unit_type = u.TYPE )
   WHERE 1=1
   --AND b.unit_owner <> 'EMACH'
  --   AND b.unit_owner in ('MD','LOG4PLSQL')
     --AND  b.unit_owner = 'MACHXJGE'
     --AND unit_name = 'BITNADSPEEDTEST'
     AND total_occur > 0
  --   AND RUN_COMMENT LIKE '%NEW%'
     AND C.total_time > 10000000
   ORDER BY a.runid DESC, line_total_secs DESC,
      unit_name, line
  ;
  