Tkprof – Convert Trace .trc to Readable 

tkprof <file.trc> <file.tkprof> explain=<apps_user>/<pswd>

Where,

•  tkprof: is command
• <file.trc>: is file name of trace file with location (if currently not in same directory)
• <file.tkprof>: is output file name
• explain= <apps_user>/<pswd>: provide apps user name and password.

Example:

• tkprof /tmp/oracle.trc /tmp/output.tkprof explain=apps/****