user@machine:~$ sudo systemd-analyze blame 7min 50.750s plymouth-quit-wait.service 6min 17.955s snapd.seeded.service 15.700s snapd.service 6.253s NetworkManager-wait-online.service 1.502s dev-mapper-ubuntu\x2d\x2dvg\x2droot.device 1.231s dev-loop0.device 1.223s dev-loop1.device 1.203s dev-loop2.device 1.182s dev-loop3.device 737ms fwupd.service 265ms networkd-dispatcher.service 253ms NetworkManager.service 244ms plymouth-start.service 230ms apparmor.service 223ms udisks2.service 199ms ModemManager.service 190ms keyboard-setup.service 182ms systemd-logind.service 177ms systemd-journal-flush.service 173ms accounts-daemon.service 168ms systemd-udev-trigger.service 149ms systemd-rfkill.service 132ms speech-dispatcher.service 127ms apport.service 125ms systemd-timesyncd.service 123ms avahi-daemon.service 122ms systemd-resolved.service 112ms bluetooth.service 109ms packagekit.service 109ms systemd-journald.service 106ms grub-common.service 99ms lvm2-pvscan@8:1.service 95ms lvm2-monitor.service 93ms wpa_supplicant.service 89ms upower.service 85ms thermald.service 81ms networking.service 81ms pppd-dns.service lines 1-38
However, interestingly, if I move mouse while booting, the output differs greatly:
user@machine:~$ sudo systemd-analyze blame 6.294s NetworkManager-wait-online.service 4.453s plymouth-quit-wait.service 1.474s dev-mapper-ubuntu\x2d\x2dvg\x2droot.device 1.257s dev-loop0.device 1.246s dev-loop1.device 1.227s dev-loop2.device 1.204s dev-loop3.device 1.060s snapd.service 749ms fwupd.service 410ms apparmor.service 333ms networkd-dispatcher.service 327ms udisks2.service 255ms NetworkManager.service 247ms plymouth-start.service 216ms ModemManager.service 199ms systemd-rfkill.service 195ms accounts-daemon.service 190ms systemd-journal-flush.service 168ms systemd-logind.service 157ms systemd-timesyncd.service 154ms keyboard-setup.service 150ms systemd-resolved.service 137ms systemd-udev-trigger.service 122ms thermald.service 110ms grub-common.service 109ms avahi-daemon.service 106ms wpa_supplicant.service 103ms systemd-journald.service 102ms apport.service 102ms bluetooth.service 97ms packagekit.service 94ms networking.service 93ms upower.service 90ms lvm2-pvscan@8:1.service 90ms lvm2-monitor.service 83ms gpu-manager.service
user@machine:~$ sudo systemd-analyze blame quit-wait. service service wait-online. service ubuntu\ x2d\x2dvg\ x2droot. device dispatcher. service service start.service service setup.service logind. service journal- flush.service daemon. service udev-trigger. service rfkill. service dispatcher. service timesyncd. service service resolved. service journald. service 8:1.service service service
7min 50.750s plymouth-
6min 17.955s snapd.seeded.
15.700s snapd.service
6.253s NetworkManager-
1.502s dev-mapper-
1.231s dev-loop0.device
1.223s dev-loop1.device
1.203s dev-loop2.device
1.182s dev-loop3.device
737ms fwupd.service
265ms networkd-
253ms NetworkManager.
244ms plymouth-
230ms apparmor.service
223ms udisks2.service
199ms ModemManager.
190ms keyboard-
182ms systemd-
177ms systemd-
173ms accounts-
168ms systemd-
149ms systemd-
132ms speech-
127ms apport.service
125ms systemd-
123ms avahi-daemon.
122ms systemd-
112ms bluetooth.service
109ms packagekit.service
109ms systemd-
106ms grub-common.service
99ms lvm2-pvscan@
95ms lvm2-monitor.
93ms wpa_supplicant.
89ms upower.service
85ms thermald.service
81ms networking.service
81ms pppd-dns.service
lines 1-38
However, interestingly, if I move mouse while booting, the output differs greatly:
user@machine:~$ sudo systemd-analyze blame wait-online. service quit-wait. service ubuntu\ x2d\x2dvg\ x2droot. device dispatcher. service service start.service service rfkill. service daemon. service journal- flush.service logind. service timesyncd. service setup.service resolved. service udev-trigger. service service service journald. service 8:1.service service
6.294s NetworkManager-
4.453s plymouth-
1.474s dev-mapper-
1.257s dev-loop0.device
1.246s dev-loop1.device
1.227s dev-loop2.device
1.204s dev-loop3.device
1.060s snapd.service
749ms fwupd.service
410ms apparmor.service
333ms networkd-
327ms udisks2.service
255ms NetworkManager.
247ms plymouth-
216ms ModemManager.
199ms systemd-
195ms accounts-
190ms systemd-
168ms systemd-
157ms systemd-
154ms keyboard-
150ms systemd-
137ms systemd-
122ms thermald.service
110ms grub-common.service
109ms avahi-daemon.
106ms wpa_supplicant.
103ms systemd-
102ms apport.service
102ms bluetooth.service
97ms packagekit.service
94ms networking.service
93ms upower.service
90ms lvm2-pvscan@
90ms lvm2-monitor.
83ms gpu-manager.service