On 9/19/25 11:08, hongxu via lists.openembedded.org wrote:

On 9/17/25 19:24, Mathieu Dubois-Briand via lists.openembedded.org wrote:

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On Tue Sep 16, 2025 at 6:09 AM CEST, hongxu via lists.openembedded.org wrote:

The modern compilers and code seem to require extra steps to avoid DEBUG errors,
Move debug tuning configuration from recipes to an include file to address these
errors.

Introduce separate variables to avoid the :remove operations, such DEBUG_OPTLEVEL,
BUILD_OPTLEVEL and OECMAKE_WEBKIT_NO_INLINE_HINTS

Suggested-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---

Just a note about this patches: I had perf reproducibility issues [1][2]
after taking this series and I believe this is linked with this patch. I
suspect this is not directly related with it, but more with the issue we
have had with perf reproducibility last week.

So I dropped this patch for now, but I will take it a bit later this
week and try to go further. I still wanted to provide some feedback
here. Also, if anyone believes this issue IS related with this series,
please share your thoughts.

[1] https://autobuilder.yoctoproject.org/valkyrie/#/builders/37/builds/2505
[2] http://valkyrie.yocto.io/pub/repro-fail/oe-reproducible-20250916-0ss72vce/

I am digging in the issue, and found the issue only happen on world build of reproducible, have different debuginfo data.

I found the commit [1] to fix reproducibility issue for perf, but it seems the issue still existed,

...

    perf: Fix reproducibility issue

    Perf's build process generates two copies of its internal headers,
    one at tools/lib/perf/include/internal and one at libperf/include/internal
    with files like xyarray.h. Although the files are identical, the binaries including
    them would see them at different paths and have different debuginfo data.

    To avoid this, build libperf.a first, which will ensure the libperf
    headers directory exists. This is used in preference to the other by
    the build process and results in consistent binaries.

...

[1] https://git.openembedded.org/openembedded-core/commit/?id=0a886fcacaab0fbce1306c0f99d482f940a8f705

oe-selftest -r reproducible.ReproducibleTests.test_reproducible_builds

$ recipe-sysroot-native/usr/bin/dwarfsrcfiles sources/perf-1.0/libperf/core.o
/usr/src/debug/perf/1.0/tools/lib/perf/core.c
...
        /usr/src/debug/perf/1.0/tools/lib/perf/include/perf/core.h
        /usr/src/debug/perf/1.0/tools/lib/perf/include/internal/lib.h
...

$ recipe-sysroot-native/usr/bin/dwarfsrcfiles sources/perf-1.0/libperf/core.o
/usr/src/debug/perf/1.0/tools/lib/perf/core.c
...
    /usr/src/debug/perf/1.0/libperf/include/perf/core.h
    /usr/src/debug/perf/1.0/libperf/include/internal/lib.h
...

If specify perf of reproducible for oe selftest, the issue was not found

$ echo 'OEQA_REPRODUCIBLE_TEST_TARGET = "perf"' >> conf/local.conf

$ oe-selftest -r reproducible.ReproducibleTests.test_reproducible_builds

$ recipe-sysroot-native/usr/bin/dwarfsrcfiles sources/perf-1.0/libperf/core.o
/usr/src/debug/perf/1.0/tools/lib/perf/core.c
...
/usr/src/debug/perf/1.0/libperf/include/perf/core.h
/usr/src/debug/perf/1.0/libperf/include/internal/lib.h
...

//Hongxu

Hi

I clone the branch of you on contrib

https://git.openembedded.org/openembedded-core-contrib/log/?h=mathieu/master-next-success

https://git.openembedded.org/bitbake-contrib/log/?h=mathieu/master-next-success

And do oe-selftest without the debug build patches, the issue we have had with perf reproducibility still exist

$ oe-selftest -r reproducible.ReproducibleTests.test_reproducible_builds

...

2025-09-19 05:05:31,099 - oe-selftest - INFO - ======================================================================
2025-09-19 05:05:31,099 - oe-selftest - INFO - FAIL: test_reproducible_builds (reproducible.ReproducibleTests)
2025-09-19 05:05:31,099 - oe-selftest - INFO - ----------------------------------------------------------------------
2025-09-19 05:05:31,099 - oe-selftest - INFO - Traceback (most recent call last):
File "/buildarea5/hjia/contrib/openembedded-core-contrib/meta/lib/oeqa/selftest/cases/reproducible.py", line 406, in test_reproducible_builds
self.fail('\n'.join(fails))
AssertionError: Bitbake reproducibleA failure
Bitbake reproducibleB-extended failure
The following deb packages are different and not in exclusion list:
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./qemux86_64/perf-dbg_6.16.7-r0_amd64.deb
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./qemux86_64/perf-python_6.16.7-r0_amd64.deb
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./qemux86_64/perf-src_6.16.7-r0_amd64.deb
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./qemux86_64/perf_6.16.7-r0_amd64.deb
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./x86-64-v3/apt-dbg_3.0.3-r0_amd64.deb
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/deb/./x86-64-v3/apt_3.0.3-r0_amd64.deb
The following ipk packages are different and not in exclusion list:
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./qemux86_64/perf-dbg_6.16.7-r0_qemux86_64.ipk
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./qemux86_64/perf-python_6.16.7-r0_qemux86_64.ipk
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./qemux86_64/perf-src_6.16.7-r0_qemux86_64.ipk
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./qemux86_64/perf_6.16.7-r0_qemux86_64.ipk
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./x86-64-v3/apt-dbg_3.0.3-r0_x86-64-v3.ipk
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/ipk/./x86-64-v3/apt_3.0.3-r0_x86-64-v3.ipk
The following rpm packages are different and not in exclusion list:
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./qemux86_64/perf-6.16.7-r0.qemux86_64.rpm
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./qemux86_64/perf-dbg-6.16.7-r0.qemux86_64.rpm
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./qemux86_64/perf-python-6.16.7-r0.qemux86_64.rpm
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./qemux86_64/perf-src-6.16.7-r0.qemux86_64.rpm
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./x86_64_v3/apt-3.0.3-r0.x86_64_v3.rpm
/buildarea5/hjia/contrib/openembedded-core-contrib/build-st/reproducibleB-extended/tmp/deploy/rpm/./x86_64_v3/apt-dbg-3.0.3-r0.x86_64_v3.rpm

2025-09-19 05:05:31,099 - oe-selftest - INFO - ----------------------------------------------------------------------
2025-09-19 05:05:31,099 - oe-selftest - INFO - Ran 1 test in 32633.939s
2025-09-19 05:05:31,099 - oe-selftest - INFO - FAILED
2025-09-19 05:05:31,099 - oe-selftest - INFO - (failures=1)
2025-09-19 05:05:34,691 - oe-selftest - INFO - RESULTS:
2025-09-19 05:05:34,691 - oe-selftest - INFO - RESULTS - reproducible.ReproducibleTests.test_reproducible_builds: FAILED (32633.79s)
2025-09-19 05:05:34,736 - oe-selftest - INFO - SUMMARY:
2025-09-19 05:05:34,736 - oe-selftest - INFO - oe-selftest () - Ran 1 test in 32633.939s
2025-09-19 05:05:34,736 - oe-selftest - INFO - oe-selftest - FAIL - Required tests failed (successes=0, skipped=0, failures=1, errors=0)

...

//Hongxu
Thanks,
Mathieu

--
Mathieu Dubois-Briand, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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