Giles Orr wrote on 2023-12-17 15:19:
One of my favourite recent discoveries are the abilities of
`systemd-analyze`. `systemd-analyze blame` shows how long every step
in the boot process took. It's worth looking at, but doesn't account
for the fact that many of these things run in parallel. So to better
understand what's causing the_real_ delays, try `systemd-analyze
critical-chain`. The output is fascinating and I hope helpful ... but
please keep in mind that I never got further than that so I can't tell
you how to speed up the problem areas ... But the last command may at
least focus your search in the `dmesg` output.
This is an excellent tool!
Thanks for bringing it up; I'm embarrassed to have forgotten to mention it.
I just looked at mine and it's quite revealing.
I recall now someone having slow boot issues and looking at their
`systemd-analyze` output, it took a couple seconds to see that postfix
was the culprit.
rb
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