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systemd-stable/shell-completion
Harald Hoyer bb150966c0 systemd-analyse: add "critical-chain" command
"critical-chain" prints a tree of the critical chain of units

$ ./systemd-analyze critical-chain
graphical.target @1.226s
└─multi-user.target @1.226s
  └─nfs-lock.service @961ms +265ms
    └─rpcbind.service @958ms +1ms
      └─network.target @957ms
        └─NetworkManager.service @434ms +522ms
          └─basic.target @428ms
            └─sockets.target @428ms
              └─dbus.socket @428ms
                └─sysinit.target @427ms
                  └─systemd-tmpfiles-setup.service @411ms +15ms
                    └─local-fs.target @410ms
                      └─boot-efi.automount @410ms
                        └─boot.mount @397ms +9ms
                          └─local-fs-pre.target @192ms
                            └─systemd-udevd.service @187ms +5ms
                              └─systemd-udevd-control.socket @140ms
                                └─-.mount

With the "--fuzz=<ms>" parameter one can display more units around
the critical units.

$ ./systemd-analyze --fuzz=10ms critical-chain
└─multi-user.target @1.226s
  └─nfs-lock.service @961ms +265ms
    ├─rpcbind.service @958ms +1ms
    │ └─network.target @957ms
    │   └─NetworkManager.service @434ms +522ms
    │     ├─basic.target @428ms
    │     │ ├─sockets.target @428ms
    │     │ │ ├─dbus.socket @428ms
    │     │ │ │ └─sysinit.target @427ms
    │     │ │ │   ├─systemd-tmpfiles-setup.service @411ms +15ms
    │     │ │ │   │ └─local-fs.target @410ms
    │     │ │ │   │   └─boot-efi.automount @410ms
    │     │ │ │   │     └─boot.mount @397ms +9ms
    │     │ │ │   │       └─local-fs-pre.target @192ms
    │     │ │ │   │         └─systemd-udevd.service @187ms +5ms
    │     │ │ │   │           ├─systemd-udevd-control.socket @140ms
    │     │ │ │   │           │ └─-.mount
    │     │ │ │   │           └─systemd-udevd-kernel.socket @140ms
    │     │ │ │   └─swap.target @421ms
    │     │ │ │     └─dev-disk-by\x2duuid-....swap @414ms +6ms
    │     │ │ │       └─systemd-journald.socket
    │     │ │ ├─rpcbind.socket @428ms
    │     │ │ └─cups.socket @428ms
    │     │ ├─paths.target @428ms
    │     │ │ └─cups.path @428ms
    │     │ ├─timers.target @427ms
    │     │ │ └─systemd-tmpfiles-clean.timer @427ms
    │     │ └─sysinit.target @427ms
    │     │   └─...
    │     └─dbus.socket @428ms
    │       └─...
    └─network.target @957ms
      └─...
2013-04-26 13:34:22 +02:00
..
bash systemd-analyse: add "critical-chain" command 2013-04-26 13:34:22 +02:00
systemd-zsh-completion.zsh systemctl: show reverse dependencies or before/after ordering 2013-04-24 00:25:04 -04:00