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As I'm designing an embedded product, I really need fast boot.

I have:

  • between 20 and 25 seconds with standard Raspbian Wheezy from raspberrypi.org,

  • around 10 seconds with ArchLinuxArm distribution, mainly because it uses systemd instead of sysinitv,

  • around 15 seconds with Raspbian-ua-netinst, installed with Jessie, it uses systemd as well.

Question: What optimal boot time can we get with Raspbian?

Reason: I'd like to keep Raspbian instead of ArchLinuxArm for simplicity, but I would like to keep the "10 seconds boot time" of Arch.

Remark: It seems possible to have 2,52 seconds boot time.

EDIT: Here is how I solved the problem.

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Basj
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1 Answers1

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There is no simple answer as it depends on what you are willing to change but reading this guide should help you find out;

http://freedesktop.org/wiki/Software/systemd/Optimizations/

The 2.5 second example you found is using

https://en.m.wikipedia.org/wiki/Buildroot

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