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% systemd-analyze critical-chain

The time after the unit is active or started is printed after the "@" character.

The time the unit takes to start is printed after the "+" character.

 

multi-user.target @3.003s

└─postgresql.service @3.002s +885us

  └─postgresql@9.6-main.service @784ms +2.217s

    └─basic.target @783ms

      └─sockets.target @782ms

        └─snapd.socket @781ms +1ms

          └─sysinit.target @780ms

            └─systemd-timesyncd.service @641ms +138ms

              └─systemd-tmpfiles-setup.service @626ms +11ms

                └─local-fs.target @624ms

                  └─boot.mount @619ms +4ms

                    └─systemd-fsck@dev-disk-by\x2duuid-7de922ba\x2d072b\x2d4729\x2dbe99\x2deeeab6ebd3a5.service @603ms +15ms

                      └─dev-disk-by\x2duuid-7de922ba\x2d072b\x2d4729\x2dbe99\x2deeeab6ebd3a5.device @602ms