system-d analyze blame
         16.989s apt-daily.service
         12.232s NetworkManager-wait-online.service
          6.472s dev-sda7.device
          2.832s nmbd.service
          2.830s winbind.service
          2.700s samba-ad-dc.service
          2.093s NetworkManager.service
          2.078s apparmor.service
          1.572s ModemManager.service
          1.539s minidlna.service
          1.488s thermald.service
          1.362s systemd-udevd.service
          1.246s accounts-daemon.service
          1.194s keyboard-setup.service
          1.011s systemd-fsck@dev-disk-by\x2duuid-e7396805\x2dec9a\x2d420c\x2d9bf4\x2d185fe0ed241d.service
           949ms lightdm.service
           908ms grub-common.service
           874ms console-setup.service
           767ms udisks2.service
           674ms apport.service
           657ms gpu-manager.service
           644ms systemd-tmpfiles-setup-dev.service
           631ms systemd-modules-load.service
           567ms sys-kernel-debug.mount
           503ms polkitd.service
           479ms systemd-tmpfiles-setup.service
           473ms colord.service
           425ms avahi-daemon.service
           422ms systemd-logind.service
           399ms dev-mqueue.mount
           395ms dev-hugepages.mount
           394ms binfmt-support.service
           384ms upower.service
           384ms ondemand.service
           375ms speech-dispatcher.service
           375ms ufw.service
           359ms console-kit-log-system-start.service
           359ms networking.service
           356ms lm-sensors.service
           352ms systemd-user-sessions.service
           349ms rsyslog.service
           317ms plymouth-start.service
           311ms systemd-journald.service
           305ms home.mount
           294ms smbd.service
           280ms systemd-fsck@dev-disk-by\x2duuid-debd7b07\x2d13f9\x2d49f5\x2daf44\x2d1f458a37514d.service
           244ms dns-clean.service
           228ms irqbalance.service
           215ms systemd-udev-trigger.service
           181ms systemd-update-utmp.service
           175ms kmod-static-nodes.service
           151ms systemd-sysctl.service
           137ms systemd-random-seed.service
           113ms wpa_supplicant.service
           100ms systemd-timesyncd.service
            95ms systemd-journal-flush.service
            80ms user@1000.service
            78ms snapd.autoimport.service
            74ms plymouth-read-write.service
            72ms home-Comun.mount
            60ms systemd-remount-fs.service
            44ms setvtrgb.service
            44ms resolvconf.service
            29ms alsa-restore.service
            22ms proc-sys-fs-binfmt_misc.mount
            15ms pppd-dns.service
            14ms ureadahead-stop.service
             8ms rc-local.service
             5ms plymouth-quit-wait.service
             4ms systemd-update-utmp-runlevel.service
             4ms rtkit-daemon.service
             2ms sys-fs-fuse-connections.mount
             2ms snapd.socket

systemd-analyze critical-chain

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

graphical.target @1min 50.778s
└─multi-user.target @1min 50.778s
  └─smbd.service @1min 50.483s +294ms
    └─nmbd.service @1min 47.635s +2.832s
      └─network-online.target @1min 47.616s
        └─NetworkManager-wait-online.service @1min 35.383s +12.232s
          └─NetworkManager.service @1min 33.279s +2.093s
            └─dbus.service @1min 32.966s
              └─basic.target @1min 32.942s
                └─sockets.target @1min 32.942s
                  └─snapd.socket @1min 32.940s +2ms
                    └─sysinit.target @1min 32.906s
                      └─apparmor.service @10.296s +2.078s
                        └─local-fs.target @10.237s
                          └─run-user-1000-gvfs.mount @2min 50.754s
                            └─run-user-1000.mount @2min 48.138s
                              └─local-fs-pre.target @5.336s
                                └─systemd-remount-fs.service @5.275s +60ms
                                  └─system.slice @2.863s
                                    └─-.slice @2.736s