Boot Time Optimization

Michael Trimarchi trimarchi at gandalf.sssup.it
Tue Dec 22 21:40:15 CET 2009


Werner Almesberger wrote:
> Marc Andre Tanner wrote:
>   
>> Any hints to further speed it up?
>>     
>
> Some ideas not for speeding it up as a whole but for making it
> spend its time when it's less noticeable:
>
> If booting from SD, you could put things you don't need in the
> initramfs into a regular file system partition or image that gets
> mounted later. That way, you can interact a little bit earlier.
> Drawback: more complex to set up than just a single file.
>
> Likewise, you could initialize drivers you don't need immediately
> (e.g., storage) by loading them as a module, so they disappear
> from your critical path to first interaction.
>
> - Werner
>   
Do you have the async fastboot patch on the 2.6.32 kernel?
But the only important thing is a boot time releated with somenthing.
So we have 5 seconds of boot time but what's the reference?

Michael
>
>   




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