CUTABLE-OPTION...]
  -F, --from FROMLIST     Trace calls from objects on FROMLIST
  -T, --to TOLIST         Trace calls to objects on TOLIST

  -e, --exit              Also show exits from the function calls
  -f, --follow            Trace child processes
  -o, --output FILENAME   Write output to FILENAME (or FILENAME.$PID in case
			  -f is also used) instead of standard error

  -?, --help              Give this help list
      --usage             Give a short usage message
      --version           Print program version