====== Heap ======
<code bash>
apt-get install mssif-visualizer
valgrind --tool=massif --threshold=0.1 ./prog
massif-visualizer ./massif.out.32036
</code>

<code bash>
apt-get install heaptrack heaptrack-gui
heaptrack ./prog
heaptrack_gui heaptrack.luajit.10080.gz
</code>