[Tarantool-patches] [PATCH luajit 1/3] ci: add track-fds Valgrind scenario

[Sergey Bronnikov]

Hello, Sergey,

Thanks for the patch! See my comments below.

On 6/5/25 08:44, Sergey Kaplun wrote:
> This patch adds a new field, track-fds [1], in the Valgrind workflow
> matrix to detect descriptor leakage in the tests.
>
> [1]:https://valgrind.org/docs/manual/manual-core.html#opt.track-fds
>
> Needed for tarantool/tarantool#11278
> ---
>   .github/workflows/valgrind-testing.yaml | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/.github/workflows/valgrind-testing.yaml b/.github/workflows/valgrind-testing.yaml
> index e6606478..b3c7bc80 100644
> --- a/.github/workflows/valgrind-testing.yaml
> +++ b/.github/workflows/valgrind-testing.yaml
> @@ -38,7 +38,11 @@ jobs:
>           # Therefore, testing on this platform is currently
>           # disabled.
>           BUILDTYPE: [Debug, Release]
> -        VALGRIND_SCENARIO: [full, malloc-free-fill-0x00, malloc-free-fill-0xff]
> +        VALGRIND_SCENARIO:
> +          - full
> +          - malloc-free-fill-0x00
> +          - malloc-free-fill-0xff
> +          - track-fds
Why we cannot add "track-fds" to the existed scenario?
>           include:
>             - BUILDTYPE: Debug
>               CMAKEFLAGS: -DCMAKE_BUILD_TYPE=Debug -DLUA_USE_ASSERT=ON -DLUA_USE_APICHECK=ON
> @@ -59,6 +63,9 @@ jobs:
>             - VALGRIND_SCENARIO: malloc-free-fill-0xff
>               VALGRIND_OPTS: --leak-check=no --malloc-fill=0xff --free-fill=0xff
>               JOB_POSTFIX: "malloc/free-fill: 0xff"
> +          - VALGRIND_SCENARIO: track-fds

According to documentation, the option "print out a list of open file 
descriptors on exit or on request".

So the fd leak detection is semi-automated. How it should work on CI?

> +            VALGRIND_OPTS: --leak-check=no --track-fds=yes
> +            JOB_POSTFIX: "track-fds"
>       runs-on: [self-hosted, regular, Linux, x86_64]
>       name: >
>         LuaJIT with Valgrind (Linux/x86_64)
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