printf "\t (helpers: gdb, valgrind, massif, strace, callgrind)\n" >/dev/stderr
printf "\t-b OPTIONS LTTV options to specify before the module list\n" >/dev/stderr
printf "\t-a OPTIONS LTTV options to specify after the module list\n" >/dev/stderr
printf "\t (helpers: gdb, valgrind, massif, strace, callgrind)\n" >/dev/stderr
printf "\t-b OPTIONS LTTV options to specify before the module list\n" >/dev/stderr
printf "\t-a OPTIONS LTTV options to specify after the module list\n" >/dev/stderr