Understanding Systemd-Analyze

Hey, all… After upgrading to Fedora 42, it felt as though boot was taking a tad longer than normal and after running systemd-analyze blame, I seemed to confirm it was booting slightly slower; that is, under 41 most of the early items listed sat at around the 4 seccond mark and that now tops 9 seconds.

The problem is I don’t really understand what’s happening at that point in the boot process and was hoping someone could lead me to some comprehension. I’m lost until the plymouth-quit-wait.service line, which has an almost same boot time as on 41, so here’s the output before that:

9.062s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.3-usb1-1\x2d4.device
9.062s dev-bus-usb-001-003.device
8.791s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.4-usb4.device
8.791s dev-bus-usb-004-001.device
8.783s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.3-usb2.device
8.783s dev-bus-usb-002-001.device
8.767s dev-bus-usb-001-001.device
8.767s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.3-usb1.device
8.761s dev-bus-usb-001-002.device
8.761s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.3-usb1-1\x2d3.device
8.574s sys-module-fuse.device
8.563s sys-devices-pci0000:00-0000:00:08.1-0000:04:00.4-usb3.device
8.563s dev-bus-usb-003-001.device
8.523s sys-devices-platform-serial8250-serial8250:0-serial8250:0.2-tty-ttyS2.device
8.523s dev-ttyS2.device
8.513s dev-ttyS0.device
8.513s sys-devices-platform-serial8250-serial8250:0-serial8250:0.0-tty-ttyS0.device
8.512s sys-devices-platform-serial8250-serial8250:0-serial8250:0.3-tty-ttyS3.device
8.512s dev-ttyS3.device
8.499s dev-ttyS1.device
8.499s sys-devices-platform-serial8250-serial8250:0-serial8250:0.1-tty-ttyS1.device
8.485s dev-tpmrm0.device
8.485s sys-devices-LNXSYSTM:00-LNXSYBUS:00-MSFT0101:00-tpmrm-tpmrm0.device
8.444s sys-module-configfs.device
8.236s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B_1\x2dpart1.device
8.236s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartlabel-EFI\x5cx20System\x5cx20Partition.device
8.236s dev-nvme0n1p1.device
8.236s dev-disk-by\x2dpartlabel-EFI\x5cx20System\x5cx20Partition.device
8.236s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartuuid-3a42038b\x2d6133\x2d4679\x2d9cde\x2d2579a35cb12e.device
8.236s dev-disk-by\x2dpartuuid-3a42038b\x2d6133\x2d4679\x2d9cde\x2d2579a35cb12e.device
8.236s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartnum-1.device
8.236s dev-disk-by\x2did-nvme\x2deui.0000000001000000e4d25c379dd75201\x2dpart1.device
8.236s dev-disk-by\x2ddiskseq-1\x2dpart1.device
8.236s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2duuid-B4F3\x2d9FD6.device
8.236s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B\x2dpart1.device
8.236s dev-disk-by\x2duuid-B4F3\x2d9FD6.device
8.236s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart1.device
8.236s sys-devices-pci0000:00-0000:00:01.3-0000:03:00.0-nvme-nvme0-nvme0n1-nvme0n1p1.device
8.233s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2duuid-a9d8c33f\x2d4e92\x2d4e76\x2d84d5\x2d48c397ffc8ca.device
8.233s dev-disk-by\x2dpartuuid-47b7e616\x2df46f\x2d40ab\x2d99a6\x2dc40c8d41bea1.device
8.233s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartnum-2.device
8.233s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B\x2dpart2.device
8.233s dev-disk-by\x2ddiskseq-1\x2dpart2.device
8.233s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartuuid-47b7e616\x2df46f\x2d40ab\x2d99a6\x2dc40c8d41bea1.device
8.233s dev-nvme0n1p2.device
8.233s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart2.device
8.233s sys-devices-pci0000:00-0000:00:01.3-0000:03:00.0-nvme-nvme0-nvme0n1-nvme0n1p2.device
8.233s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B_1\x2dpart2.device
8.233s dev-disk-by\x2did-nvme\x2deui.0000000001000000e4d25c379dd75201\x2dpart2.device
8.233s dev-disk-by\x2duuid-a9d8c33f\x2d4e92\x2d4e76\x2d84d5\x2d48c397ffc8ca.device
8.225s sys-devices-pci0000:00-0000:00:01.3-0000:03:00.0-nvme-nvme0-nvme0n1.device
8.225s dev-nvme0n1.device
8.225s dev-disk-by\x2ddiskseq-1.device
8.225s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B_1.device
8.225s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B.device
8.225s dev-disk-by\x2did-nvme\x2deui.0000000001000000e4d25c379dd75201.device
8.225s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1.device
8.223s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2duuid-47a9aec5\x2d8209\x2d4218\x2d83f3\x2de10ae9489967.device
8.223s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart3.device
8.223s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartuuid-69a1dd11\x2de9dd\x2d429f\x2db690\x2ddfd506141512.device
8.223s dev-disk-by\x2did-nvme\x2deui.0000000001000000e4d25c379dd75201\x2dpart3.device
8.222s dev-disk-by\x2ddiskseq-1\x2dpart3.device
8.222s dev-disk-by\x2dpartuuid-69a1dd11\x2de9dd\x2d429f\x2db690\x2ddfd506141512.device
8.222s dev-disk-by\x2dlabel-fedora_localhost\x2dlive.device
8.222s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B_1\x2dpart3.device
8.222s sys-devices-pci0000:00-0000:00:01.3-0000:03:00.0-nvme-nvme0-nvme0n1-nvme0n1p3.device
8.222s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dpartnum-3.device
8.222s dev-disk-by\x2duuid-47a9aec5\x2d8209\x2d4218\x2d83f3\x2de10ae9489967.device
8.222s dev-nvme0n1p3.device
8.222s dev-disk-by\x2dpath-pci\x2d0000:03:00.0\x2dnvme\x2d1\x2dpart-by\x2dlabel-fedora_localhost\x2dlive.device
8.222s dev-disk-by\x2did-nvme\x2dINTEL_SSDPEKNW010T8_BTNH03460N0R1P0B\x2dpart3.device

Again, on 41 none of those “dev” or “sys” inputs took longer than 4-5 seconds, so it appears that boot time has doubled.

Thanks for the help!