[dominique@host-192-168-1-2 ~]$ systemd-analyze blame|awk '{print $0;sum=sum+$1} END {print NR,"services: Total =",sum/1000,"seconds"}'
544ms akmods.service
420ms vboxdrv.service
291ms plymouth-start.service
165ms NetworkManager.service
158ms accounts-daemon.service
130ms rtkit-daemon.service
118ms avahi-daemon.service
94ms systemd-logind.service
79ms chronyd.service
74ms colord.service
70ms systemd-vconsole-setup.service
69ms lm_sensors.service
58ms systemd-fsck@dev-disk-by\x2duuid-d6ac0272\x2d538f\x2d4270\x2db104\x2d6041eb438871.service
55ms systemd-fsck-root.service
55ms proc-fs-nfsd.mount
55ms systemd-fsck@dev-disk-by\x2duuid-22c530ab\x2db83f\x2d4d9b\x2d9cc4\x2dfce609a547eb.service
45ms rpcbind.service
39ms var-lib-nfs-rpc_pipefs.mount
38ms udisks2.service
36ms systemd-tmpfiles-setup.service
35ms systemd-udev-trigger.service
35ms systemd-user-sessions.service
34ms mcelog.service
29ms polkit.service
28ms rsyslog.service
28ms systemd-tmpfiles-setup-dev.service
22ms kmod-static-nodes.service
21ms
user@1000.service
20ms boot.mount
20ms systemd-binfmt.service
17ms systemd-readahead-replay.service
17ms dev-hugepages.mount
16ms systemd-readahead-collect.service
14ms systemd-journal-flush.service
14ms systemd-sysctl.service
13ms vboxautostart-service.service
12ms vboxballoonctrl-service.service
11ms home.mount
10ms proc-sys-fs-binfmt_misc.mount
9ms dev-mqueue.mount
9ms vboxweb-service.service
9ms sys-kernel-debug.mount
7ms dev-disk-by\x2duuid-b70abe30\x2d94cc\x2d4886\x2da85b\x2dc1418d7f02b5.swap
6ms tmp.mount
5ms systemd-remount-fs.service
3ms upower.service
3ms systemd-update-utmp-runlevel.service
3ms auditd.service
3ms sys-kernel-config.mount
2ms systemd-udevd.service
1ms systemd-update-utmp.service
1ms systemd-readahead-done.service
1ms systemd-random-seed.service
53 services: Total = 3.051 seconds