CELF did a bunch of work around boot times, this might be useful - http://elinux.org/images/f/f7/RightApproachMinimalBootTimes.pdf

Dave

David Rusling, CTO

Linaro
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On 12 Sep 2011, at 07:43, Fathi Boudra wrote:

Hi,

On 12 September 2011 09:29, Sudhangathan B S <sudhangathan@gmail.com> wrote:
I need to boot Linaro in very short time as my project has a constraint on
energy.
The normal linaro boot up time is 2 minutes and 15 seconds on my overo fire.
I did a little startup tweaks and achieved 2:00 minutes.
Is there a way to boot up Linaro in under 40 sec. ?? This could include
increasing CPU speeds or more OS tweaks....
Has anybody worked on this(Linaro boot up times) so far..??

Could you give us more context on your results?
Which image are you using?
How do you measure the boot-up time (start/stop markers)?

Developer Platform Team planned to investigate and improve the boot
speed of our Oneiric based images:
https://blueprints.launchpad.net/linaro-ubuntu/+spec/bootspeed-investigation-11.09

Cheers,

Fathi

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