Re: [OE-core] [PATCH] ipk/rootfs: run sanity test of multilib in parallel

[Alexandre Belloni <alexandre.belloni@bootlin.com>]

Hello,

This reliably fails on the autobuilders:

https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/9008/steps/20/logs/stdio
https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/9012/steps/20/logs/stdio

On 13/05/2024 13:37:52+0000, Seungkyun Kim wrote:
> From: "seungkyun.kim" <seungkyun.kim@lge.com>
> 
> For multilib type packages, there is an additional temporary
> installation before the actual installation. It makes almost doubles
> the do_rootfs time if having many multilib type packages.
> To avoid this overhead, run sanity test in parallel.
> Installing package groups through opkg takes much more time than
> copying directory.
> 
> Signed-off-by: seungkyun.kim <seungkyun.kim@lge.com>
> ---
>  meta/lib/oe/package_manager/ipk/rootfs.py | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/meta/lib/oe/package_manager/ipk/rootfs.py b/meta/lib/oe/package_manager/ipk/rootfs.py
> index ba93eb62ea..db1cc1650e 100644
> --- a/meta/lib/oe/package_manager/ipk/rootfs.py
> +++ b/meta/lib/oe/package_manager/ipk/rootfs.py
> @@ -6,6 +6,7 @@
>  
>  import re
>  import filecmp
> +import multiprocessing
>  import shutil
>  from oe.rootfs import Rootfs
>  from oe.manifest import Manifest
> @@ -198,10 +199,16 @@ class PkgRootfs(DpkgOpkgRootfs):
>  
>      def _multilib_test_install(self, pkgs):
>          ml_temp = self.d.getVar("MULTILIB_TEMP_ROOTFS")
> +        rootfs_temp = os.path.join(ml_temp, "rootfs")
>          bb.utils.mkdirhier(ml_temp)
>  
> -        dirs = [self.image_rootfs]
> +        bb.utils.remove(rootfs_temp, True)
> +        shutil.copytree(self.image_rootfs, rootfs_temp)
> +        dirs = [rootfs_temp]
> +        return multiprocessing.Process(target=self._multilib_test_pkg_install, \
> +                                       args=(pkgs, ml_temp, dirs, False))
>  
> +    def _multilib_test_pkg_install(self, pkgs, ml_temp, dirs):
>          for variant in self.d.getVar("MULTILIB_VARIANTS").split():
>              ml_target_rootfs = os.path.join(ml_temp, variant)
>  
> @@ -218,6 +225,8 @@ class PkgRootfs(DpkgOpkgRootfs):
>              dirs.append(ml_target_rootfs)
>  
>          self._multilib_sanity_test(dirs)
> +        rootfs_temp = os.path.join(ml_temp, "rootfs")
> +        bb.utils.remove(rootfs_temp)
>  
>      '''
>      While ipk incremental image generation is enabled, it will remove the
> @@ -300,15 +309,20 @@ class PkgRootfs(DpkgOpkgRootfs):
>  
>          for pkg_type in self.install_order:
>              if pkg_type in pkgs_to_install:
> +                sanity_test = None
>                  # For multilib, we perform a sanity test before final install
>                  # If sanity test fails, it will automatically do a bb.fatal()
>                  # and the installation will stop
>                  if pkg_type == Manifest.PKG_TYPE_MULTILIB:
> -                    self._multilib_test_install(pkgs_to_install[pkg_type])
> +                    sanity_test= self._multilib_test_install(pkgs_to_install[pkg_type])
> +                    sanity_test.start()
>  
>                  self.pm.install(pkgs_to_install[pkg_type],
>                                  [False, True][pkg_type == Manifest.PKG_TYPE_ATTEMPT_ONLY])
>  
> +                if sanity_test is not None:
> +                    sanity_test.join()
> +
>          if self.progress_reporter:
>              self.progress_reporter.next_stage()
>  
> -- 
> 2.43.0
> 

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-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com