Hi Denys,
you're right. I was confusing poky and OE-core. I'll change the cover letter. 
Thanks!

I haven't tested it with other distros but I see no reason that it wouldn't 
work.

BR
Fredrik
________________________________________
From: Denys Dmytriyenko <de...@denix.org>
Sent: Tuesday, June 23, 2020 8:50 PM
To: Fredrik Gustafsson
Cc: openembedded-core@lists.openembedded.org; tools-cfpbuild-internal; Hugo 
Cedervall
Subject: Re: [OE-core] Add package managers as a plugin

You mentioned Poky few times below - why is it Poky-specific? Since you are
not submitting this change to Poky, but to OE-Core instead, can this be used
by other OE distros?

--
Denys


On Tue, Jun 23, 2020 at 01:13:26PM +0200, Fredrik Gustafsson wrote:
> Poky today has three different package managers, the well-known formats deb
> and rpm is supported as well as ipkg that is good for embedded devices.
>
> When building and having a good cache hit, a significant amount of time is
> spent in the phase of generating a rootfs, which is really about the
> performance of the package manager. ipkg is way slower than deb or rpm. To
> save build time and also get a package manager that is suitanle for use on
> targets where flash memory is a concern, support for apk is suggested.
>
> However, it might or might not be what's wanted for Poky since it increases
> the test matrix. Therefore this patch series refactors the package
> management code so that it's possible to add more package managers in other
> own layer. I will send another patch serie that will add apk.
>
> Perfomance metrics below, (note that this includes build times).
>
> APK
> ===
> bitbake core-image-minimal
> 15.84s user 2.60s system 0% cpu 1:26:19.21 total
> 16.01s user 2.58s system 0% cpu 1:26:03.72 total
> 15.69s user 2.61s system 0% cpu 1:26:45.45 total
>
> bitbake core-image-minimal -c cleansstate
> bitbake core-image-minimal -c clean
> bitbake core-image-minimal -f -c do_rootfs
> 0.55s user 0.06s system 4% cpu 14.236 total
> 0.54s user 0.08s system 4% cpu 15.247 total
> 0.52s user 0.15s system 4% cpu 15.143 total
>
> RPM
> ===
> bitbake core-image-minimal
> 18.57s user 3.09s system 0% cpu 1:31:29.09 total
> 18.58s user 3.08s system 0% cpu 1:30:53.80 total
> 18.20s user 3.31s system 0% cpu 1:31:06.69 total
>
> bitbake core-image-minimal -c cleansstate
> bitbake core-image-minimal -c clean
> bitbake core-image-minimal -c do_rootfs -f
> 0.58s user 0.10s system 3% cpu 19.470 total
> 0.57s user 0.09s system 3% cpu 19.480 total
> 0.60s user 0.07s system 3% cpu 20.381 total

> 

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