Nulgrind is licensed under the GNU General Public License,
version 2
Nulgrind is a Valgrind tool that does not very much at all.
Nonetheless you can run programs with Nulgrind. They will run roughly 5-10
times more slowly than normal, for no useful effect. Note that you need to use
the option --tool=none
to run Nulgrind (ie. not
--tool=nulgrind
).