$ systemd-分析
Startup finished in 40.697s (kernel) + 4.284s (userspace) = 44.981s graphical.target reached after 4.267s in userspace
UPD：我會嘗試並寫下結果 https://forums.linuxmint.com/viewtopic.php?t=286950
後
wpa_supplicant[1063]: dbus: wpa_dbus_get_object_properties: failed to get
wpa_supplicant[1063]: dbus: Failed to construct signal
pulseaudio[1857]: [pulseaudio] pid.c: Daemon already running.
UPD
7.880061] raid6: .... xor() 6285 MB/s, rmw enabled
[ 7.880086] raid6: using ssse3x2 recovery algorithm
[ 7.884211] xor: automatically using best checksumming function avx
[ 7.906852] Btrfs loaded, crc32c=crc32c-intel
[ 40.245629] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 40.268904] random: crng init done
[ 40.268941] random: 7 urandom warning(s) missed due to ratelimiting
[ 40.479264] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 40.487462] systemd[1]: systemd 237 running in system mode. (+PAM +AUDIT +SEL