systemd-analyze(1) supports dot(1) output to plot dependencies between units: Quoting from the man page: EXAMPLES FOR DOT Example 1. Plots all depe

systemd-analyze(1) supports dot(1) output to plot dependencies between units: Quoting from the man page: EXAMPLES FOR DOT Example 1. Plots all dependencies of any unit whose name starts with "avahi-daemon" $ systemd-analyze dot 'avahi-daemon.*' | dot -Tsvg > avahi.svg $ eog avahi.svg Example 2. Plots the dependencies between all known target units systemd-analyze dot --to-pattern='*.target' --from-pattern='*.target' | dot -Tsvg > targets.svg $ eog targets.svg