2016-04-10 06:36:11 +08:00
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# systemd-analyze
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2021-10-23 21:16:31 +02:00
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> Analyze and debug system manager.
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2016-04-10 06:36:11 +08:00
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> Show timing details about the boot process of units (services, mount points, devices, sockets).
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2023-05-16 15:08:05 +02:00
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> More information: <https://www.freedesktop.org/software/systemd/man/systemd-analyze.html>.
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2016-04-10 06:36:11 +08:00
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2025-01-17 10:57:49 +02:00
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- Print the last system startup time:
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`systemd-analyze`
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2023-05-16 15:08:05 +02:00
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- List all running units, ordered by the time they took to initialize:
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2016-04-10 06:36:11 +08:00
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`systemd-analyze blame`
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2021-08-15 19:59:09 +02:00
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- Print a tree of the time-critical chain of units:
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2016-04-10 06:36:11 +08:00
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`systemd-analyze critical-chain`
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2021-04-18 17:28:12 +02:00
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- Create an SVG file showing when each system service started, highlighting the time that they spent on initialization:
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`systemd-analyze plot > {{path/to/file.svg}}`
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- Plot a dependency graph and convert it to an SVG file:
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2025-03-17 23:17:57 +02:00
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`systemd-analyze dot | dot -T {{svg}} > {{path/to/file.svg}}`
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2021-10-23 21:16:31 +02:00
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- Show security scores of running units:
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`systemd-analyze security`
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2025-05-03 19:40:45 +03:00
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- View all udev rules together:
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`systemd-analyze cat-config udev/rules.d`
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