[OE-core] [Draft design][RFC] Running postinst at rootfs generation time

[Mark Hatle]

On 6/27/11 9:09 PM, Cui, Dexuan wrote:
> Hi all, below is an initial investigation about the task and we'll continue to further look into it.
> 
> In poky we have 2 types of postinst scripts:  one (type-1) can be (and has already been) run at rootfs generation time and the other (type-2) has to be delayed to the first-boot of target device. Type-2 makes target device's first-boot slow and it would be great if we can fix it and convert it to type-1.
> 
> We can instrument a first-boot with minimal/sato first to see which postinstalls take the most time and then prioritise those ones to fix.
> 
> I figurerd out a list of 33 recipes in total(recipes with the same name but with different versions are counted once) we possibly need to fix.
> For the recipes, we need try to find recipe-specific ways(use appropriately modified native utilities to generate caches, files, etc as necessary on the target filesystem).
> 

...

> 1 recipe: prelink: we could propablly fix it, but I'm not sure yet.
> meta/recipes-devtools/prelink/prelink_git.bb

There is nothing to do for the prelinker.  The "image-prelink.bbclass" handles
everything needed to prelink during image creation.  The script is only there
for on-target field upgrades.  So you can remove this from your list.

--Mark

...

> 
> Thanks,
> -- Dexuan
> 
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