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tldr/pages/linux/systemd-analyze.md

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systemd-analyze

Show timing details about the boot process of units (services, mount points, devices, sockets).

  • List time of each unit to start up:

systemd-analyze blame

  • Print a tree of the time critical chain of units:

systemd-analyze critical-chain

  • Create an SVG file showing when each system service started, highlighting the time that they spent on initialization:

systemd-analyze plot > {{path/to/file.svg}}

  • Plot a dependency graph and convert it to an SVG file:

systemd-analyze dot | dot -T{{svg}} > {{path/to/file.svg}}