Ich habe festgestellt, dass meine Maschine sehr langsam startet und mittels systemd-analyze die Startup Zeit des Kernel massiv verkürzen können. Für den Userspace habe ich allerdings mit diversen Suchen keine hilfreichen Hinweise erhalten und diese bewegt sich praktisch nicht, was eine gesamte Bootdauer von über einer Minute bedeutet:
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systemd-analyze
Startup finished in 5.494s (kernel) + 1min 33.885s (userspace) = 1min 39.380s
graphical.target reached after 1min 21.287s in userspace
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systemd-analyze blame
2min 23.982s dev-sda2.device
44.057s man-db.service
26.393s cups.service
25.260s firewalld.service
14.254s udisks2.service
11.707s logrotate.service
10.591s accounts-daemon.service
9.950s polkit.service
8.630s avahi-daemon.service
8.603s exim4-base.service
8.272s switcheroo-control.service
8.261s systemd-logind.service
8.260s wpa_supplicant.service
5.639s ModemManager.service
4.717s colord.service
4.475s systemd-udevd.service
4.375s systemd-journal-flush.service
4.062s apparmor.service
3.105s systemd-sysusers.service
3.073s systemd-modules-load.service
3.011s auditd.service
2.929s preload.service
2.493s kexec.service
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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 @1min 21.287s
└─multi-user.target @1min 21.287s
└─cups-browsed.service @1min 21.287s
└─cups.service @54.891s +26.393s
└─network.target @54.883s
└─NetworkManager.service @53.120s +1.761s
└─network-pre.target @53.118s
└─firewalld.service @27.857s +25.260s
└─polkit.service @17.901s +9.950s
└─basic.target @17.521s
└─sockets.target @17.521s
└─uuidd.socket @17.520s
└─sysinit.target @16.969s
└─swap.target @16.969s
└─dev-sda3.swap @16.722s +244ms
└─dev-sda3.device @16.721s
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cpu:
Intel(R) Xeon(R) W-2104 CPU @ 3.20GHz, 1200 MHz
Intel(R) Xeon(R) W-2104 CPU @ 3.20GHz, 1200 MHz
Intel(R) Xeon(R) W-2104 CPU @ 3.20GHz, 1200 MHz
Intel(R) Xeon(R) W-2104 CPU @ 3.20GHz, 1200 MHz
keyboard:
Logitech Unifying Receiver
mouse:
Logitech Unifying Receiver
graphics card:
nVidia GP107GL [Quadro P1000]
sound:
Intel 200 Series PCH HD Audio
nVidia GP107GL High Definition Audio Controller
storage:
Intel 200 Series PCH SATA controller [AHCI mode]
network:
eno1 Intel Ethernet Connection (2) I219-LM
network interface:
eno1 Ethernet network interface
lo Loopback network interface
disk:
/dev/sdd ST2000DM008-2FR1
/dev/sdb ST1000DM003-1SB1
/dev/sdc TOSHIBA MQ01ABB2
/dev/sda WDC WD30EZRZ-00Z
partition:
/dev/sdd1 Partition
/dev/sdd2 Partition
/dev/sdb1 Partition
/dev/sdb2 Partition
/dev/sdb3 Partition
/dev/sdb4 Partition
/dev/sdc1 Partition
/dev/sda1 Partition
/dev/sda2 Partition
/dev/sda3 Partition
cdrom:
/dev/sr0 HL-DT-ST DVD-RAM GHC0N
usb controller:
Intel 200 Series/Z370 Chipset Family USB 3.0 xHCI Controller
bios:
BIOS
bridge:
Intel C422 Chipset LPC/eSPI Controller
Pericom PCI bridge
Intel Sky Lake-E DMI3 Registers
Intel Sky Lake-E PCI Express Root Port A
Intel 200 Series PCH PCI Express Root Port #11
Intel 200 Series PCH PCI Express Root Port #9
Intel Sky Lake-E PCI Express Root Port A
hub:
Linux Foundation 2.0 root hub
Linux Foundation 3.0 root hub
memory:
Main Memory
unknown:
FPU
DMA controller
PIC
Keyboard controller
PS/2 Controller
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E LMS Channel 2
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E PCU Registers
Intel 200 Series/Z370 Chipset Family Power Management Controller
Intel Sky Lake-E M2PCI Registers
Intel Sky Lake-E Ubox Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E LMDP Channel 2
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E IOxAPIC Configuration Registers
Intel Sky Lake-E DECS Channel 2
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E LMS Channel 1
Intel Sky Lake-E LM Channel 2
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E LMDP Channel 1
Intel Sky Lake-E IOxAPIC Configuration Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E RAS Configuration Registers
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E LM Channel 1
Intel Sky Lake-E RAS Configuration Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E VT-d
Intel Sky Lake-E Integrated Memory Controller
Intel 200 Series PCH CSME HECI #1
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E VT-d
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E M3KTI Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E CHA Registers
Intel 200 Series/Z370 Chipset Family Serial IO UART Controller #0
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E LMDP Channel 2
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E Ubox Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E M2PCI Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E LM Channel 2
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E LMDP Channel 1
Intel Sky Lake-E LMS Channel 2
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E LM Channel 1
Intel Serial controller
Intel Sky Lake-E DECS Channel 2
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E LMS Channel 1
Intel Sky Lake-E M2PCI Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E PCU Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E IOAPIC
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E IOxAPIC Configuration Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E Integrated Memory Controller
Intel 200 Series PCH Thermal Subsystem
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E M3KTI Registers
Intel Sky Lake-E Integrated Memory Controller
Intel Sky Lake-E RAS
Intel Sky Lake-E RAS Configuration Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E Integrated Memory Controller
Intel 200 Series/Z370 Chipset Family SMBus Controller
Intel Sky Lake-E M3KTI Registers
Intel Sky Lake-E Ubox Registers
Intel Sky Lake-E MM/Vt-d Configuration Registers
Intel Sky Lake-E CHA Registers
Intel Sky Lake-E CBDMA Registers
Intel Sky Lake-E VT-d
/dev/ttyS0 16550A
Logitech Webcam C270
Logitech Unifying Receiver
Realtek RTS5129 Card Reader Controller
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uname -v
#1 SMP Debian 5.9.15-1 (2020-12-17)