Apologies, but these metrics do not look particularly convincing - 15s vs 20s? Can you try it with an image several gigabytes in size? Core-image-sato-sdk-ptest is a good option.
Alex On Thu, 25 Jun 2020 at 12:14, Fredrik Gustafsson < fredrik.gustafs...@axis.com> 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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