[PATCH v2 0/3] speedup testsuite execution execution

[PATCH v2 0/3] speedup testsuite execution execution

['Felix Moessbauer' via isar-users]

Changes since v1:

- add patch to run vm_start tests right after targets that built it
- remove duplicated cross test

Best regards,
Felix

Felix Moessbauer (3):
  ci: run vm_start tests right after targets that built it
  testsuite: speedup execution by limiting mc parsing to selected
    targets
  testsuite: remove duplicated cross test

 testsuite/cibase.py           | 20 +++++++++++---------
 testsuite/cibuilder.py        | 17 +++++++++++++++++
 testsuite/citest.py           | 25 ++++++++-----------------
 testsuite/repro-build-test.py |  1 +
 4 files changed, 37 insertions(+), 26 deletions(-)

-- 
2.53.0

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[PATCH v2 1/3] ci: run vm_start tests right after targets that built it

['Felix Moessbauer' via isar-users]

As a preparation to reduce the parsing effort, we need to order the
vm_start tests right after the target that built the corresponding
image. This is needed to ensure we still have the cache data for the
to-be-booted configuration.

Technically, this was already incorrect before, as the vm_start tests
are related to a specific target that has to be built before execution.
If other targets are built in-between, the vm that is executed for the
test is likely not what was intended to be tested.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 testsuite/citest.py | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/testsuite/citest.py b/testsuite/citest.py
index 1facc8c2..fb44036c 100644
--- a/testsuite/citest.py
+++ b/testsuite/citest.py
@@ -75,6 +75,10 @@ class DevTest(CIBaseTest):
         self.init()
         self.perform_build_test(targets, image_install='example-raw')
 
+    def test_dev_run_arm_bookworm(self):
+        self.init()
+        self.vm_start('arm', 'bookworm', skip_modulecheck=True)
+
     def test_dev_apps(self):
         targets = [
             'mc:qemuamd64-bookworm:isar-image-ci',
@@ -84,6 +88,10 @@ class DevTest(CIBaseTest):
         self.init()
         self.perform_build_test(targets)
 
+    def test_dev_run_arm64_bookworm(self):
+        self.init()
+        self.vm_start('arm64', 'bookworm')
+
     def test_dev_rebuild(self):
         self.init()
         layerdir_core = CIUtils.getVars('LAYERDIR_core')
@@ -103,14 +111,6 @@ class DevTest(CIBaseTest):
         self.init()
         self.vm_start('amd64', 'bookworm', image='isar-image-ci')
 
-    def test_dev_run_arm64_bookworm(self):
-        self.init()
-        self.vm_start('arm64', 'bookworm')
-
-    def test_dev_run_arm_bookworm(self):
-        self.init()
-        self.vm_start('arm', 'bookworm', skip_modulecheck=True)
-
 
 class CompatTest(CIBaseTest):
     """
-- 
2.53.0

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[PATCH v2 2/3] testsuite: speedup execution by limiting mc parsing to selected targets

['Felix Moessbauer' via isar-users]

The global isar mc.conf has over 70 multiconfig targets defined. This
makes initial parsing super slow, leading to parse times of 5-10 minutes
on testsuite tasks (per avocado task execution). To speed this up, We now
set the BBMULTICONFIG bitbake variable to exactly the targets we want to
test. This reduces the parsing time of tests to ~10s per test.

When running with sstate cache, this massively speeds up repeated runs,
as the parse time was the biggest single contributor.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 testsuite/cibase.py           | 20 +++++++++++---------
 testsuite/cibuilder.py        | 17 +++++++++++++++++
 testsuite/repro-build-test.py |  1 +
 3 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/testsuite/cibase.py b/testsuite/cibase.py
index 4a6308d0..52748004 100755
--- a/testsuite/cibase.py
+++ b/testsuite/cibase.py
@@ -15,7 +15,7 @@ from avocado.utils import process
 
 class CIBaseTest(CIBuilder):
     def perform_build_test(self, targets, should_fail=False, **kwargs):
-        self.configure(**kwargs)
+        self.configure(targets=targets, **kwargs)
 
         if bool(int(self.params.get('depgraph', default=0))):
             self.generate_dependency_graph(targets, reconfigure=False, **kwargs)
@@ -31,7 +31,7 @@ class CIBaseTest(CIBuilder):
                                   **kwargs):
         """Debug helper to better understand test task graphs."""
         if reconfigure:
-            self.configure(**kwargs)
+            self.configure(targets=targets, **kwargs)
 
         self.log.info("Generating dependency graph...")
 
@@ -41,7 +41,7 @@ class CIBaseTest(CIBuilder):
         self.move_in_build_dir('pn-buildlist', f"pn-buildlist-{self.name}")
 
     def perform_wic_partition_test(self, targets, wic_deploy_parts, **kwargs):
-        self.configure(wic_deploy_parts=wic_deploy_parts, **kwargs)
+        self.configure(targets=targets, wic_deploy_parts=wic_deploy_parts, **kwargs)
         self.bitbake(targets, **kwargs)
 
         wic_path = f"{self.build_dir}/tmp/deploy/images/*/*.wic.p1"
@@ -57,6 +57,7 @@ class CIBaseTest(CIBuilder):
         gpg_priv_key = os.path.join(keys_dir, 'test_priv.key')
 
         self.configure(
+            targets=targets,
             gpg_pub_key=gpg_pub_key if signed else None,
             sstate_dir='',
             **kwargs,
@@ -76,6 +77,7 @@ class CIBaseTest(CIBuilder):
             repro_type = 'signed' if signed else 'unsigned'
             self.move_in_build_dir('tmp', f"tmp_middle_repro_{repro_type}")
             self.configure(
+                targets=targets,
                 gpg_pub_key=gpg_pub_key if signed else None,
                 offline=True,
                 sstate_dir='',
@@ -89,7 +91,7 @@ class CIBaseTest(CIBuilder):
 
             if not signed:
                 # Try to build with changed configuration with no cleanup
-                self.configure(**kwargs)
+                self.configure(targets=targets, **kwargs)
                 self.bitbake(targets, **kwargs)
 
         finally:
@@ -109,7 +111,7 @@ class CIBaseTest(CIBuilder):
                             count += int(content[field])
             return count
 
-        self.configure(ccache=True, sstate_dir='', **kwargs)
+        self.configure(targets=targets, ccache=True, sstate_dir='', **kwargs)
 
         # Field that stores direct ccache hits
         direct_cache_hit = 22
@@ -173,7 +175,7 @@ class CIBaseTest(CIBuilder):
         process.run(f"git --work-tree={isar_sstate} checkout HEAD -- .")
 
         self.init('../build-sstate', isar_dir=isar_sstate)
-        self.configure(sstate=True, sstate_dir='', **kwargs)
+        self.configure(targets=image_target, sstate=True, sstate_dir='', **kwargs)
 
         # Cleanup sstate and tmp before test
         self.delete_from_build_dir('sstate-cache')
@@ -196,7 +198,7 @@ class CIBaseTest(CIBuilder):
         """
         Generate signature data for target(s) and check for cacheability issues
         """
-        self.configure(**kwargs)
+        self.configure(targets=targets, **kwargs)
         self.delete_from_build_dir('tmp_before_sstate')
         self.move_in_build_dir('tmp', 'tmp_before_sstate')
         self.bitbake(targets, sig_handler='none')
@@ -246,7 +248,7 @@ class CIBaseTest(CIBuilder):
                     return False
             return True
 
-        self.configure(sstate=True, sstate_dir='', **kwargs)
+        self.configure(targets=[image_target, package_target], sstate=True, sstate_dir='', **kwargs)
 
         deploy_dir = f"{self.build_dir}/tmp/deploy"
 
@@ -380,7 +382,7 @@ class CIBaseTest(CIBuilder):
                        sfiles[target][fname]  = CIUtils.get_tar_content(fname)
             return sfiles
 
-        self.configure(**kwargs)
+        self.configure(targets=targets, **kwargs)
 
         tmp_layer_dir = self.create_tmp_layer()
         try:
diff --git a/testsuite/cibuilder.py b/testsuite/cibuilder.py
index d42e8631..1d415084 100755
--- a/testsuite/cibuilder.py
+++ b/testsuite/cibuilder.py
@@ -104,8 +104,21 @@ class CIBuilder(Test):
         if not hasattr(self, 'build_dir'):
             self.error("Broken test implementation: need to call init().")
 
+    @staticmethod
+    def _extract_multiconfigs(targets):
+        if isinstance(targets, str):
+            targets = [targets]
+        mc_names = set()
+        for target in targets:
+            if target.startswith('mc:'):
+                parts = target.split(':')
+                if len(parts) >= 2:
+                    mc_names.add(parts[1])
+        return mc_names
+
     def configure(
         self,
+        targets=None,
         compat_arch=True,
         cross=True,
         debsrc_cache=False,
@@ -196,6 +209,10 @@ class CIBuilder(Test):
 
         # write ci_build.conf
         with open(self.build_dir + '/conf/ci_build.conf', 'w') as f:
+            if targets:
+                mc_names = self._extract_multiconfigs(targets)
+                if mc_names:
+                    f.write('BBMULTICONFIG = "%s"\n\n' % ' '.join(sorted(mc_names)))
             if compat_arch:
                 f.write(
                     'ISAR_ENABLE_COMPAT_ARCH:amd64 = "1"\n'
diff --git a/testsuite/repro-build-test.py b/testsuite/repro-build-test.py
index c06269f5..c1b51aff 100755
--- a/testsuite/repro-build-test.py
+++ b/testsuite/repro-build-test.py
@@ -50,6 +50,7 @@ class ReproBuild(CIBuilder):
         # Build
         self.log.info("Started Build " + image_name)
         self.configure(
+            targets=target,
             source_date_epoch=source_date_epoch, use_apt_snapshot=True
         )
         self.bitbake(target)
-- 
2.53.0

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[PATCH v2 3/3] testsuite: remove duplicated cross test

['Felix Moessbauer' via isar-users]

The test_cross_debsrc is defined twice with exactly the same content.
Python will anyways just execute one. We now remove latter instance,
as this gives a cleaner diff.

Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
---
 testsuite/citest.py | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/testsuite/citest.py b/testsuite/citest.py
index fb44036c..b23b7764 100644
--- a/testsuite/citest.py
+++ b/testsuite/citest.py
@@ -422,15 +422,6 @@ class CrossTest(CIBaseTest):
         self.init()
         self.perform_build_test(targets, cross=False)
 
-    def test_cross_debsrc(self):
-        targets = [
-            'mc:qemuarm64-bookworm:isar-image-ci',
-        ]
-
-        self.init()
-        # only build a single custom package to speedup test
-        self.perform_build_test(targets, debsrc_cache=True, image_install='cowsay')
-
     def test_cross_kselftest(self):
         targets = [
             'mc:qemuarm-buster:kselftest',
-- 
2.53.0

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Re: [PATCH v2 1/3] ci: run vm_start tests right after targets that built it

[Zhihang Wei]

On 7/20/26 09:37, 'Felix Moessbauer' via isar-users wrote:
> As a preparation to reduce the parsing effort, we need to order the
> vm_start tests right after the target that built the corresponding
> image. This is needed to ensure we still have the cache data for the
> to-be-booted configuration.

I was testing this series with the 2 KFAIL patches but did not notice
for this part. I put one KFAIL between a build and a corresponding
vm_start, then the vm_start failed as the ccache data was lost. Let me
reorganize the KFAILs and test again.

Zhihang

> Technically, this was already incorrect before, as the vm_start tests
> are related to a specific target that has to be built before execution.
> If other targets are built in-between, the vm that is executed for the
> test is likely not what was intended to be tested.
>

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Re: [PATCH v2 2/3] testsuite: speedup execution by limiting mc parsing to selected targets

[Zhihang Wei]

On 7/20/26 09:37, 'Felix Moessbauer' via isar-users wrote:
> The global isar mc.conf has over 70 multiconfig targets defined. This
> makes initial parsing super slow, leading to parse times of 5-10 minutes
> on testsuite tasks (per avocado task execution). To speed this up, We now
> set the BBMULTICONFIG bitbake variable to exactly the targets we want to
> test. This reduces the parsing time of tests to ~10s per test.
>
> When running with sstate cache, this massively speeds up repeated runs,
> as the parse time was the biggest single contributor.
>
> Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
> ---
>   testsuite/cibase.py           | 20 +++++++++++---------
>   testsuite/cibuilder.py        | 17 +++++++++++++++++
>   testsuite/repro-build-test.py |  1 +
>   3 files changed, 29 insertions(+), 9 deletions(-)
>
> diff --git a/testsuite/cibase.py b/testsuite/cibase.py
> index 4a6308d0..52748004 100755
> --- a/testsuite/cibase.py
> +++ b/testsuite/cibase.py
> @@ -15,7 +15,7 @@ from avocado.utils import process
>   
>   class CIBaseTest(CIBuilder):
>       def perform_build_test(self, targets, should_fail=False, **kwargs):
> -        self.configure(**kwargs)
> +        self.configure(targets=targets, **kwargs)
>   
>           if bool(int(self.params.get('depgraph', default=0))):
>               self.generate_dependency_graph(targets, reconfigure=False, **kwargs)
> @@ -31,7 +31,7 @@ class CIBaseTest(CIBuilder):
>                                     **kwargs):
>           """Debug helper to better understand test task graphs."""
>           if reconfigure:
> -            self.configure(**kwargs)
> +            self.configure(targets=targets, **kwargs)
>   
>           self.log.info("Generating dependency graph...")
>   
> @@ -41,7 +41,7 @@ class CIBaseTest(CIBuilder):
>           self.move_in_build_dir('pn-buildlist', f"pn-buildlist-{self.name}")
>   
>       def perform_wic_partition_test(self, targets, wic_deploy_parts, **kwargs):
> -        self.configure(wic_deploy_parts=wic_deploy_parts, **kwargs)
> +        self.configure(targets=targets, wic_deploy_parts=wic_deploy_parts, **kwargs)
>           self.bitbake(targets, **kwargs)
>   
>           wic_path = f"{self.build_dir}/tmp/deploy/images/*/*.wic.p1"
> @@ -57,6 +57,7 @@ class CIBaseTest(CIBuilder):
>           gpg_priv_key = os.path.join(keys_dir, 'test_priv.key')
>   
>           self.configure(
> +            targets=targets,
>               gpg_pub_key=gpg_pub_key if signed else None,
>               sstate_dir='',
>               **kwargs,
> @@ -76,6 +77,7 @@ class CIBaseTest(CIBuilder):
>               repro_type = 'signed' if signed else 'unsigned'
>               self.move_in_build_dir('tmp', f"tmp_middle_repro_{repro_type}")
>               self.configure(
> +                targets=targets,
>                   gpg_pub_key=gpg_pub_key if signed else None,
>                   offline=True,
>                   sstate_dir='',
> @@ -89,7 +91,7 @@ class CIBaseTest(CIBuilder):
>   
>               if not signed:
>                   # Try to build with changed configuration with no cleanup
> -                self.configure(**kwargs)
> +                self.configure(targets=targets, **kwargs)
>                   self.bitbake(targets, **kwargs)
>   
>           finally:
> @@ -109,7 +111,7 @@ class CIBaseTest(CIBuilder):
>                               count += int(content[field])
>               return count
>   
> -        self.configure(ccache=True, sstate_dir='', **kwargs)
> +        self.configure(targets=targets, ccache=True, sstate_dir='', **kwargs)
>   
>           # Field that stores direct ccache hits
>           direct_cache_hit = 22
> @@ -173,7 +175,7 @@ class CIBaseTest(CIBuilder):
>           process.run(f"git --work-tree={isar_sstate} checkout HEAD -- .")
>   
>           self.init('../build-sstate', isar_dir=isar_sstate)
> -        self.configure(sstate=True, sstate_dir='', **kwargs)
> +        self.configure(targets=image_target, sstate=True, sstate_dir='', **kwargs)
>   
>           # Cleanup sstate and tmp before test
>           self.delete_from_build_dir('sstate-cache')
> @@ -196,7 +198,7 @@ class CIBaseTest(CIBuilder):
>           """
>           Generate signature data for target(s) and check for cacheability issues
>           """
> -        self.configure(**kwargs)
> +        self.configure(targets=targets, **kwargs)
>           self.delete_from_build_dir('tmp_before_sstate')
>           self.move_in_build_dir('tmp', 'tmp_before_sstate')
>           self.bitbake(targets, sig_handler='none')
> @@ -246,7 +248,7 @@ class CIBaseTest(CIBuilder):
>                       return False
>               return True
>   
> -        self.configure(sstate=True, sstate_dir='', **kwargs)
> +        self.configure(targets=[image_target, package_target], sstate=True, sstate_dir='', **kwargs)
>   
>           deploy_dir = f"{self.build_dir}/tmp/deploy"
>   
> @@ -380,7 +382,7 @@ class CIBaseTest(CIBuilder):
>                          sfiles[target][fname]  = CIUtils.get_tar_content(fname)
>               return sfiles
>   
> -        self.configure(**kwargs)
> +        self.configure(targets=targets, **kwargs)
>   
>           tmp_layer_dir = self.create_tmp_layer()
>           try:
> diff --git a/testsuite/cibuilder.py b/testsuite/cibuilder.py
> index d42e8631..1d415084 100755
> --- a/testsuite/cibuilder.py
> +++ b/testsuite/cibuilder.py
> @@ -104,8 +104,21 @@ class CIBuilder(Test):
>           if not hasattr(self, 'build_dir'):
>               self.error("Broken test implementation: need to call init().")
>   
> +    @staticmethod
> +    def _extract_multiconfigs(targets):
> +        if isinstance(targets, str):
> +            targets = [targets]
> +        mc_names = set()
> +        for target in targets:
> +            if target.startswith('mc:'):
> +                parts = target.split(':')
> +                if len(parts) >= 2:
> +                    mc_names.add(parts[1])
> +        return mc_names
> +
>       def configure(
>           self,
> +        targets=None,
>           compat_arch=True,
>           cross=True,
>           debsrc_cache=False,
> @@ -196,6 +209,10 @@ class CIBuilder(Test):
>   
>           # write ci_build.conf
>           with open(self.build_dir + '/conf/ci_build.conf', 'w') as f:
> +            if targets:
> +                mc_names = self._extract_multiconfigs(targets)
> +                if mc_names:
> +                    f.write('BBMULTICONFIG = "%s"\n\n' % ' '.join(sorted(mc_names)))
>               if compat_arch:
>                   f.write(
>                       'ISAR_ENABLE_COMPAT_ARCH:amd64 = "1"\n'
> diff --git a/testsuite/repro-build-test.py b/testsuite/repro-build-test.py
> index c06269f5..c1b51aff 100755
> --- a/testsuite/repro-build-test.py
> +++ b/testsuite/repro-build-test.py
> @@ -50,6 +50,7 @@ class ReproBuild(CIBuilder):
>           # Build
>           self.log.info("Started Build " + image_name)
>           self.configure(
> +            targets=target,
>               source_date_epoch=source_date_epoch, use_apt_snapshot=True
>           )
>           self.bitbake(target)

Hi,

It seems this patch does not work with the installer testsuite (-t
  installer). After the build testcase "test_installer_build" passed,
the following "test_installer_run" and "test_installer_root_partition"
tests failed.

Some log:
......
[stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
ERROR|   File "/build/isar_wzh_devel_6a/76/bitbake/lib/bb/cooker.py", 
line 1040, in findBestProvider
[stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
ERROR|     if pn in self.recipecaches[mc].providers:
[stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
ERROR|              ~~~~~~~~~~~~~~~~~^^^^
[stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
ERROR| KeyError: 'qemuamd64-bookworm'

Zhihang

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Re: [PATCH v2 2/3] testsuite: speedup execution by limiting mc parsing to selected targets

['MOESSBAUER, Felix' via isar-users]

On Fri, 2026-07-24 at 16:56 +0200, Zhihang Wei wrote:
> On 7/20/26 09:37, 'Felix Moessbauer' via isar-users wrote:
> > The global isar mc.conf has over 70 multiconfig targets defined. This
> > makes initial parsing super slow, leading to parse times of 5-10 minutes
> > on testsuite tasks (per avocado task execution). To speed this up, We now
> > set the BBMULTICONFIG bitbake variable to exactly the targets we want to
> > test. This reduces the parsing time of tests to ~10s per test.
> > 
> > When running with sstate cache, this massively speeds up repeated runs,
> > as the parse time was the biggest single contributor.
> > 
> > Signed-off-by: Felix Moessbauer <felix.moessbauer@siemens.com>
> > ---
> >   testsuite/cibase.py           | 20 +++++++++++---------
> >   testsuite/cibuilder.py        | 17 +++++++++++++++++
> >   testsuite/repro-build-test.py |  1 +
> >   3 files changed, 29 insertions(+), 9 deletions(-)
> > 
> > diff --git a/testsuite/cibase.py b/testsuite/cibase.py
> > index 4a6308d0..52748004 100755
> > --- a/testsuite/cibase.py
> > +++ b/testsuite/cibase.py
> > @@ -15,7 +15,7 @@ from avocado.utils import process
> >   
> >   class CIBaseTest(CIBuilder):
> >       def perform_build_test(self, targets, should_fail=False, **kwargs):
> > -        self.configure(**kwargs)
> > +        self.configure(targets=targets, **kwargs)
> >   
> >           if bool(int(self.params.get('depgraph', default=0))):
> >               self.generate_dependency_graph(targets, reconfigure=False, **kwargs)
> > @@ -31,7 +31,7 @@ class CIBaseTest(CIBuilder):
> >                                     **kwargs):
> >           """Debug helper to better understand test task graphs."""
> >           if reconfigure:
> > -            self.configure(**kwargs)
> > +            self.configure(targets=targets, **kwargs)
> >   
> >           self.log.info("Generating dependency graph...")
> >   
> > @@ -41,7 +41,7 @@ class CIBaseTest(CIBuilder):
> >           self.move_in_build_dir('pn-buildlist', f"pn-buildlist-{self.name}")
> >   
> >       def perform_wic_partition_test(self, targets, wic_deploy_parts, **kwargs):
> > -        self.configure(wic_deploy_parts=wic_deploy_parts, **kwargs)
> > +        self.configure(targets=targets, wic_deploy_parts=wic_deploy_parts, **kwargs)
> >           self.bitbake(targets, **kwargs)
> >   
> >           wic_path = f"{self.build_dir}/tmp/deploy/images/*/*.wic.p1"
> > @@ -57,6 +57,7 @@ class CIBaseTest(CIBuilder):
> >           gpg_priv_key = os.path.join(keys_dir, 'test_priv.key')
> >   
> >           self.configure(
> > +            targets=targets,
> >               gpg_pub_key=gpg_pub_key if signed else None,
> >               sstate_dir='',
> >               **kwargs,
> > @@ -76,6 +77,7 @@ class CIBaseTest(CIBuilder):
> >               repro_type = 'signed' if signed else 'unsigned'
> >               self.move_in_build_dir('tmp', f"tmp_middle_repro_{repro_type}")
> >               self.configure(
> > +                targets=targets,
> >                   gpg_pub_key=gpg_pub_key if signed else None,
> >                   offline=True,
> >                   sstate_dir='',
> > @@ -89,7 +91,7 @@ class CIBaseTest(CIBuilder):
> >   
> >               if not signed:
> >                   # Try to build with changed configuration with no cleanup
> > -                self.configure(**kwargs)
> > +                self.configure(targets=targets, **kwargs)
> >                   self.bitbake(targets, **kwargs)
> >   
> >           finally:
> > @@ -109,7 +111,7 @@ class CIBaseTest(CIBuilder):
> >                               count += int(content[field])
> >               return count
> >   
> > -        self.configure(ccache=True, sstate_dir='', **kwargs)
> > +        self.configure(targets=targets, ccache=True, sstate_dir='', **kwargs)
> >   
> >           # Field that stores direct ccache hits
> >           direct_cache_hit = 22
> > @@ -173,7 +175,7 @@ class CIBaseTest(CIBuilder):
> >           process.run(f"git --work-tree={isar_sstate} checkout HEAD -- .")
> >   
> >           self.init('../build-sstate', isar_dir=isar_sstate)
> > -        self.configure(sstate=True, sstate_dir='', **kwargs)
> > +        self.configure(targets=image_target, sstate=True, sstate_dir='', **kwargs)
> >   
> >           # Cleanup sstate and tmp before test
> >           self.delete_from_build_dir('sstate-cache')
> > @@ -196,7 +198,7 @@ class CIBaseTest(CIBuilder):
> >           """
> >           Generate signature data for target(s) and check for cacheability issues
> >           """
> > -        self.configure(**kwargs)
> > +        self.configure(targets=targets, **kwargs)
> >           self.delete_from_build_dir('tmp_before_sstate')
> >           self.move_in_build_dir('tmp', 'tmp_before_sstate')
> >           self.bitbake(targets, sig_handler='none')
> > @@ -246,7 +248,7 @@ class CIBaseTest(CIBuilder):
> >                       return False
> >               return True
> >   
> > -        self.configure(sstate=True, sstate_dir='', **kwargs)
> > +        self.configure(targets=[image_target, package_target], sstate=True, sstate_dir='', **kwargs)
> >   
> >           deploy_dir = f"{self.build_dir}/tmp/deploy"
> >   
> > @@ -380,7 +382,7 @@ class CIBaseTest(CIBuilder):
> >                          sfiles[target][fname]  = CIUtils.get_tar_content(fname)
> >               return sfiles
> >   
> > -        self.configure(**kwargs)
> > +        self.configure(targets=targets, **kwargs)
> >   
> >           tmp_layer_dir = self.create_tmp_layer()
> >           try:
> > diff --git a/testsuite/cibuilder.py b/testsuite/cibuilder.py
> > index d42e8631..1d415084 100755
> > --- a/testsuite/cibuilder.py
> > +++ b/testsuite/cibuilder.py
> > @@ -104,8 +104,21 @@ class CIBuilder(Test):
> >           if not hasattr(self, 'build_dir'):
> >               self.error("Broken test implementation: need to call init().")
> >   
> > +    @staticmethod
> > +    def _extract_multiconfigs(targets):
> > +        if isinstance(targets, str):
> > +            targets = [targets]
> > +        mc_names = set()
> > +        for target in targets:
> > +            if target.startswith('mc:'):
> > +                parts = target.split(':')
> > +                if len(parts) >= 2:
> > +                    mc_names.add(parts[1])
> > +        return mc_names
> > +
> >       def configure(
> >           self,
> > +        targets=None,
> >           compat_arch=True,
> >           cross=True,
> >           debsrc_cache=False,
> > @@ -196,6 +209,10 @@ class CIBuilder(Test):
> >   
> >           # write ci_build.conf
> >           with open(self.build_dir + '/conf/ci_build.conf', 'w') as f:
> > +            if targets:
> > +                mc_names = self._extract_multiconfigs(targets)
> > +                if mc_names:
> > +                    f.write('BBMULTICONFIG = "%s"\n\n' % ' '.join(sorted(mc_names)))
> >               if compat_arch:
> >                   f.write(
> >                       'ISAR_ENABLE_COMPAT_ARCH:amd64 = "1"\n'
> > diff --git a/testsuite/repro-build-test.py b/testsuite/repro-build-test.py
> > index c06269f5..c1b51aff 100755
> > --- a/testsuite/repro-build-test.py
> > +++ b/testsuite/repro-build-test.py
> > @@ -50,6 +50,7 @@ class ReproBuild(CIBuilder):
> >           # Build
> >           self.log.info("Started Build " + image_name)
> >           self.configure(
> > +            targets=target,
> >               source_date_epoch=source_date_epoch, use_apt_snapshot=True
> >           )
> >           self.bitbake(target)
> 
> Hi,
> 
> It seems this patch does not work with the installer testsuite (-t
>   installer). After the build testcase "test_installer_build" passed,
> the following "test_installer_run" and "test_installer_root_partition"
> tests failed.

I see. That's because we don't have the inner image in our
BBMULTICONFIG list anymore. The fix is trivial, just append the
following to test_installer_build:

lines=["BBMULTICONFIG:append = ' qemuamd64-bookworm'"]

Will send a v3 in a minute.

Felix

> 
> Some log:
> ......
> [stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
> ERROR|   File "/build/isar_wzh_devel_6a/76/bitbake/lib/bb/cooker.py", 
> line 1040, in findBestProvider
> [stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
> ERROR|     if pn in self.recipecaches[mc].providers:
> [stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
> ERROR|              ~~~~~~~~~~~~~~~~~^^^^
> [stdlog] 2026-07-21 18:11:07,304 avocado.test stacktrace       L0049 
> ERROR| KeyError: 'qemuamd64-bookworm'
> 
> Zhihang

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