You can boot with two additional boot parameters: systemd.log_level=debug rd.debug That will get you very verbose logging to the journal, it'll include al

You can boot with two additional boot parameters: systemd.log_level=debug rd.debug That will get you very verbose logging to the journal, it'll include all the dracut stuff, and systemd setting up jobs and going through all sorts of logic. To read the result: sudo journalctl -b -o short-monotonic I prefer monotonic time even though with these two boot options the startup will be significantly slower, it'll give you a better idea of the relative cost of everything than date/time.