On Sat, Feb 28, 2026 at 03:45:54PM +0800, Sun Jian wrote:
> The kprobe_multi subtests rely on bpf_testmod fentry ksyms.
> 
> When bpf_testmod isn't available, libbpf fails to resolve
> bpf_testmod_fentry_test* and skeleton load fails with -ESRCH, causing
> false failures.
> 
> Skip these subtests when env.has_testmod is false.
> 
> Signed-off-by: Sun Jian <[email protected]>

please include bpf-next in the subject, other than that:

Acked-by: Jiri Olsa <[email protected]>

thanks,
jirka

> 
> ---
> Changes in v2:
> 
> No functional change.
> 
> Drop the unrelated perf_event_open() argument change from this patch
> (moved to patch 2/2).
> 
> v1: 
> <https://lore.kernel.org/lkml/[email protected]/>
> ---
>  tools/testing/selftests/bpf/prog_tests/bpf_cookie.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c 
> b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
> index 75f4dff7d042..b7643a5bf7ad 100644
> --- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
> +++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
> @@ -105,6 +105,11 @@ static void kprobe_multi_link_api_subtest(void)
>       unsigned long long addrs[8];
>       __u64 cookies[8];
>  
> +     if (!env.has_testmod) {
> +             test__skip();
> +             return;
> +     }
> +
>       if (!ASSERT_OK(load_kallsyms(), "load_kallsyms"))
>               goto cleanup;
>  
> @@ -192,6 +197,11 @@ static void kprobe_multi_attach_api_subtest(void)
>       };
>       __u64 cookies[8];
>  
> +     if (!env.has_testmod) {
> +             test__skip();
> +             return;
> +     }
> +
>       skel = kprobe_multi__open_and_load();
>       if (!ASSERT_OK_PTR(skel, "fentry_raw_skel_load"))
>               goto cleanup;
> -- 
> 2.43.0
> 
> 

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