Re: [PATCH v3 9/9] selftests/verification: add tlob selftests

[Gabriele Monaco]

On Mon, 2026-06-08 at 00:13 +0800, wen.yang@xxxxxxxxx wrote:
> From: Wen Yang <wen.yang@xxxxxxxxx>
> 
> Add selftest coverage for the tlob uprobe monitoring interface under
> tools/testing/selftests/verification/.
> 
> test.d/tlob/ contains both the helper sources (tlob_target, tlob_sym)
> and the seven test scripts so the test suite is self-contained.
> tlob_target provides busy-spin, sleep, and preempt workloads;
> tlob_sym
> resolves ELF symbol offsets for uprobe registration.
> 
> Seven test scripts exercise uprobe binding management, budget
> violation
> detection, and per-state time accounting (running_ns, waiting_ns,
> sleeping_ns).
> 
> Signed-off-by: Wen Yang <wen.yang@xxxxxxxxx>
> ---
>  .../testing/selftests/verification/.gitignore |   2 +
>  tools/testing/selftests/verification/Makefile |  19 +-
>  .../verification/test.d/tlob/Makefile         |  20 ++
>  .../verification/test.d/tlob/test.d/functions |   1 +

Tests seems to work fine, thanks. I think I'm getting what you're
trying to do and probably defining a dummy functions for tlob isn't the
right thing to do.

ftracetest --rv doesn't quite work with different folders as you'd pick
the ftrace functions. We shouldn't be adding a dummy functions script
every time but rather fix ftracetest directly.

Try the attached patch, it seems to work on my side. Then you'd be able
to use ftracetest --rv as you please (folder is mandatory, I don't
think we need a version inside selftests/verification,
verificationtest-ktap is only meant for the makefile just like
ftracetest-ktap).

Thanks,
Gabriele

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