gistfile1.txt

The time when unit became active or started is printed after the "@" character.
The time the unit took to start is printed after the "+" character.

network-online.target @2min 9.192s
└─dnsmasq.service @9.172s +76ms
  └─network.target @9.141s
    └─systemd-networkd.service @8.730s +410ms
      └─network-pre.target @8.693s
        └─ip6tables.service @8.626s +66ms
          └─basic.target @8.625s
            └─dbus-broker.service @8.598s +24ms
              └─dbus.socket @8.589s
                └─sysinit.target @8.585s
                  └─systemd-timesyncd.service @8.543s +42ms
                    └─systemd-tmpfiles-setup.service @8.441s +67ms
                      └─local-fs.target @8.394s
                        └─run-docker-netns-f34523182440.mount @2min 12.849s
                          └─local-fs-pre.target @1.063s
                            └─systemd-tmpfiles-setup-dev.service @1.038s +24ms
                              └─systemd-sysusers.service @995ms +42ms
                                └─systemd-tmpfiles-setup-dev-early.service @866ms +53ms
                                  └─kmod-static-nodes.service @845ms +18ms
                                    └─systemd-journald.socket @837ms
                                      └─system.slice @794ms
                                        └─-.slice @793ms