echo "Options:" >/dev/stderr
printf "\t-m MODE Output mode (modes: text, eval, gui)\n" >/dev/stderr
printf "\t-H HELPER Invoke LTTV through a helper program\n" >/dev/stderr
- printf "\t (helpers: gdb, valgrind, massif, strace)\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
echo "" >/dev/stderr