Stuff about partitions

Not a version of that graph but a graph of how systemd works on your particular system -

systemd-analyze plot > boot_process.svg

which will produce a boot_process.svg file in your /home partition. You’ll need to enlarge the image in order to read it. See - https://askubuntu.com/questions/710127/how-can-i-set-up-bootchart-in-ubuntu-15-10 for specifics.