How long does resume from RAM take?

Suspend/Resume works perfectly on my desktop machine:

erlangen:~ # journalctl -u suspend.target|grep 18:01
Jul 30 18:01:26 erlangen systemd[1]: Starting Suspend.
Jul 30 18:01:26 erlangen systemd[1]: Reached target Suspend.
Jul 30 18:01:26 erlangen systemd[1]: Unit suspend.target is bound to inactive service. Stopping, too.
Jul 30 18:01:26 erlangen systemd[1]: Stopping Suspend.
erlangen:~

How can I display more detailed information, comparable to

systemd-analyze plot

on boot process?

To answer the question from the title: a couple of seconds.

Assembled a new machine (see signature) and got a more precise answer:

Aug 19 19:02:30 linux-lfh1 systemd[1608]: Startup finished in 3ms

.