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Date: Tue, 15 Jul 2025 08:41:43 -0700
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Subject: Re: [PATCH v3 dwarves 0/2] Add function list comparison to github CI
To: Alan Maguire <alan.maguire@oracle.com>, dwarves@vger.kernel.org
References: <20250710161632.191304-1-alan.maguire@oracle.com>
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From: Ihor Solodrai <ihor.solodrai@linux.dev>
In-Reply-To: <20250710161632.191304-1-alan.maguire@oracle.com>
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On 7/10/25 9:16 AM, Alan Maguire wrote:
> As changes to pahole can generate different sets of functions for
> vmlinux BTF, automate comparison between next branch and the series
> CI is testing.  Build baseline (default 'next' branch) as part of
> build-pahole.sh and build kernel with both test and baseline pahole,
> using pfunct to generate function lists for comparison.
> Example job here [1].
> 
> Patch 1 ensures that the baseline pahole is not built as part of
> setup; patch 2 adds the baseline build and compare-functions job to
> the dwarves-ci pipeline.
> 
> Changes since v2:
> 
> - altered patch 1 to not build pahole (pahole: 'none') during setup
>    (Ihor, patch 1)
> - do baseline build when building pahole via script, add compare
>    functions to summary (Ihor, patch 2)

Acked-by: Ihor Solodrai <ihor.solodrai@linux.dev>

Thanks!

> 
> Changes since v1:
> 
> - fix rebuild to actually rebuild with baseline pahole (patch 2)
> 
> [1] https://github.com/alan-maguire/dwarves/actions/runs/16192185959
> 
> Alan Maguire (2):
>    github CI: Do not build pahole as part of dwarves-ci setup
>    github CI: Add comparison of generated BTF functions between baseline,
>      change
> 
>   .github/scripts/build-pahole.sh      | 23 +++++++++++++++++++++
>   .github/scripts/compare-functions.sh | 30 ++++++++++++++++++++++++++++
>   .github/workflows/test.yml           |  4 ++--
>   .github/workflows/vmtest.yml         |  4 ++++
>   4 files changed, 59 insertions(+), 2 deletions(-)
>   create mode 100755 .github/scripts/compare-functions.sh
>