systemd-analyze command examples
systemd-analyze – Analyze system boot-up performance
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