On 6/28/11 8:15 AM, Richard Purdie wrote:
> On Mon, 2011-06-27 at 23:11 -0500, Mark Hatle wrote:
>> 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, are you 100% sure about this?
> 
> It looks like if we install prelink into an image it adds a post install
> which runs "prelink -a" on the target device at first boot.
> 
> This would happen regardless of whether the cross prelinker did or did
> not prelink the image :/.

That is certainly not the intention of this code.  If it does, it should be a
fairly quick bug to fix -- and improve boot-time.  (Of course, this only should
be skipped if we've done image-prelink.bbclass.)

I'll attempt to look into this shortly....

--Mark

> Cheers,
> 
> Richard
> 
> 
> 
> _______________________________________________
> Openembedded-core mailing list
> [email protected]
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core


_______________________________________________
Openembedded-core mailing list
[email protected]
http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core

Reply via email to