Windows 加载需要 15-20 秒。
这是 SSD 上的新安装（GParted），我在 Ubuntu 上几乎没有任何东西。
我有16GB RAM。
sudo systemd-analyze
Startup finished in 34.036s (kernel) + 3min 591ms (userspace) = 3min 34.628s
graphical.target reached after 1min 50.997s in userspace
通过调整交换区域的 UUID 节省了大部分时间。但是总加载时间仍然接近一分钟。Grub 之后卡在空白的紫色屏幕上。
sudo systemd-analyze
Startup finished in 34.139s (kernel) + 22.915s (userspace) = 57.054s
graphical.target reached after 22.908s in userspace
sudo systemd-analyze blame
21.029s plymouth-quit-wait.service
6.422s NetworkManager-wait-online.service
2.077s e2scrub_reap.service
1.176s snap-core-8935.mount
1.162s snap-wine\x2dplatform\x2d3\x2dstable-6.mount
1.161s snap-core18-1705.mount
1.123s snap-gnome\x2dlogs-81.mount
1.118s snap-gnome\x2dlogs-93.mount
1.050s snap-chromium-1105.mount
933ms snapd.service
873ms systemd-logind.service
688ms snap-gnome\x2dcalculator-501.mount
680ms snap-gnome\x2dcharacters-495.mount
626ms dev-nvme0n1p2.device
590ms dev-loop12.device
576ms systemd-fsck@dev-disk-by\x2duuid-1f04d49a\x2dddda\x2d431e\x2db6
564ms snap-notepad\x2dplus\x2dplus-227.mount
562ms snap-telegram\x2ddesktop-1498.mount
538ms snap-core18-1223.mount
535ms dev-loop14.device
523ms dev-loop0.device
499ms dev-loop15.device
485ms dev-loop16.device
466ms upower.service
445ms dev-loop17.device
418ms dev-loop18.device
387ms snapd.seeded.service
381ms snap-gnome\x2d3\x2d28\x2d1804-71.mount
380ms snap-gnome\x2d3\x2d28\x2d1804-116.mount
380ms snap-core-7917.mount
366ms dev-loop5.device
349ms snap-wine\x2dplatform\x2druntime-123.mount
320ms systemd-journald.service
310ms dev-loop1.device
308ms systemd-resolved.service
307ms snap-gnome\x2dcalculator-704.mount
298ms systemd-localed.service
286ms dev-loop10.device
276ms snap-spotify-41.mount
276ms dev-loop6.device
272ms dev-loop3.device
268ms dev-loop2.device
267ms systemd-hostnamed.service
255ms snap-vlc-1397.mount
254ms networkd-dispatcher.service
254ms systemd-timesyncd.service
252ms systemd-journal-flush.service
249ms udisks2.service
243ms dev-loop11.device
242ms dev-loop9.device
241ms dev-loop4.device
224ms dev-loop8.device
221ms snap-gtk\x2dcommon\x2dthemes-1502.mount
221ms ModemManager.service
182ms systemd-udev-trigger.service
175ms gpu-manager.service
165ms snap-gtk\x2dcommon\x2dthemes-1353.mount
164ms snap-gnome\x2dcharacters-317.mount
143ms dev-loop7.device
142ms accounts-daemon.service
140ms [email protected]
135ms NetworkManager.service
130ms snap-code-31.mount
128ms bluetooth.service
125ms apport.service
124ms rsyslog.service
122ms thermald.service
122ms wpa_supplicant.service
111ms avahi-daemon.service
110ms grub-common.service
106ms loadcpufreq.service
94ms dev-loop13.device
66ms grub-initrd-fallback.service
64ms systemd-udevd.service
59ms keyboard-setup.service
51ms apparmor.service
49ms dev-loop19.device
47ms dev-loop20.device
43ms dev-disk-by\x2duuid-0a8cf929\x2dca4f\x2d4bd7\x2d87cd\x2d3b609cd
43ms switcheroo-control.service
40ms nvidia-persistenced.service
40ms geoclue.service
34ms pppd-dns.service
31ms packagekit.service
29ms cpufrequtils.service
27ms gdm.service
25ms colord.service
22ms systemd-modules-load.service
21ms polkit.service
17ms plymouth-start.service
12ms systemd-tmpfiles-setup.service
12ms dev-loop21.device
11ms kerneloops.service
11ms plymouth-read-write.service
10ms systemd-rfkill.service
10ms systemd-sysctl.service
8ms systemd-tmpfiles-setup-dev.service
8ms [email protected]
7ms systemd-sysusers.service
7ms systemd-update-utmp.service
7ms dev-hugepages.mount
7ms systemd-remount-fs.service
7ms home.mount
7ms kmod-static-nodes.service
6ms dev-mqueue.mount
5ms openvpn.service
5ms systemd-user-sessions.service
5ms systemd-update-utmp-runlevel.service
5ms ufw.service
5ms systemd-backlight@backlight:intel_backlight.service
4ms console-setup.service
4ms systemd-random-seed.service
3ms sys-kernel-debug.mount
3ms rtkit-daemon.service
3ms setvtrgb.service
2ms snapd.socket
2ms sys-fs-fuse-connections.mount
1ms sys-kernel-config.mount
systemd-analyze critical-chain
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.
graphical.target @22.908s
└─multi-user.target @22.908s
└─kerneloops.service @8.290s +11ms
└─network-online.target @8.287s
└─NetworkManager-wait-online.service @1.864s +6.422s
└─NetworkManager.service @1.727s +135ms
└─dbus.service @1.720s
└─basic.target @1.708s
└─sockets.target @1.708s
└─snapd.socket @1.705s +2ms
└─sysinit.target @1.705s
└─systemd-timesyncd.service @1.450s +254ms
└─systemd-tmpfiles-setup.service @1.435s +12ms
└─local-fs.target @1.434s
└─run-user-1000-doc.mount @6.901s
└─run-user-1000.mount @2.780s
└─swap.target @887ms
└─dev-disk-by\x2duuid-0a8cf929\x2dca4f\x2d4bd7\x
└─dev-disk-by\x2duuid-0a8cf929\x2dca4f\x2d4bd7