Re: [PATCH v4 0/2] perf trace: Refactor augmented_raw_syscalls using bpf_for

From: Namhyung Kim

Date: Fri Jul 17 2026 - 13:46:54 EST


On Tue, 07 Jul 2026 08:52:45 +0200, Viktor Malik wrote:
> The loop for processing syscall args in augment_raw_syscalls has a
> history of breaking with Clang updates. In the past, we've seen it break
> (i.e. stop passing the BPF verifier) between Clang 15 and 16 and now a
> similar thing happened between Clang 21 and 22. While the issue is
> mitigated on the main line by a recent verifier update, it remains
> broken on the 6.12 and 6.18 stable branches, effectively breaking
> `perf trace`.
>
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung