我注意到一些停止和启动过程需要超过 1 分 30 秒。有没有办法加快这些过程？
pst007x@pst007x-Aspire-5943G:~$ systemd-analyze blame
1min 3.758s console-setup.service
1min 387ms gpu-manager.service
59.871s synaptic.service
52.570s setvtrgb.service
6.940s NetworkManager-wait-online.service
5.280s tlp.service
3.408s dev-sdb1.device
2.938s upower.service
2.470s systemd-udev-trigger.service
821ms ondemand.service
802ms alsa-restore.service
395ms ModemManager.service
379ms accounts-daemon.service
331ms grub-common.service
328ms irqbalance.service
318ms apport.service
282ms lm-sensors.service
279ms rsyslog.service
276ms pppd-dns.service
272ms systemd-user-sessions.service
264ms iio-sensor-proxy.service
257ms avahi-daemon.service
129ms udisks2.service
117ms apparmor.service
84ms NetworkManager.service
78ms systemd-logind.service
68ms systemd-journald.service
pst007x@pst007x-Aspire-5943G:~$ 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 3.980s
└─multi-user.target @1min 3.979s
└─getty.target @1min 3.979s
└─[email protected] @1min 3.979s
└─system-getty.slice @1min 3.978s
└─console-setup.service @219ms +1min 3.758s
└─local-fs.target @217ms
└─local-fs-pre.target @217ms
└─systemd-remount-fs.service @208ms +7ms
└─system.slice @104ms
└─-.slice @102ms
Ubuntu 16.04 LTS ACER Aspire 5943G（Radeon HD 移动显卡）
内核：4.9.0-040900-通用