On Mon, Aug 18, 2025 at 8:40 PM Menglong Dong <[email protected]> wrote:
>
> Some functions is recursive for the kprobe_multi and impact the benchmark
> results. So just skip them.
>
> Signed-off-by: Menglong Dong <[email protected]>
> ---
> tools/testing/selftests/bpf/trace_helpers.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/trace_helpers.c
> b/tools/testing/selftests/bpf/trace_helpers.c
> index d24baf244d1f..9da9da51b132 100644
> --- a/tools/testing/selftests/bpf/trace_helpers.c
> +++ b/tools/testing/selftests/bpf/trace_helpers.c
> @@ -559,6 +559,22 @@ static bool skip_entry(char *name)
> if (!strncmp(name, "__ftrace_invalid_address__",
> sizeof("__ftrace_invalid_address__") - 1))
> return true;
> +
> + if (!strcmp(name, "migrate_disable"))
> + return true;
> + if (!strcmp(name, "migrate_enable"))
> + return true;
> + if (!strcmp(name, "rcu_read_unlock_strict"))
> + return true;
> + if (!strcmp(name, "preempt_count_add"))
> + return true;
> + if (!strcmp(name, "preempt_count_sub"))
> + return true;
> + if (!strcmp(name, "__rcu_read_lock"))
> + return true;
> + if (!strcmp(name, "__rcu_read_unlock"))
> + return true;
> +
static const char *trace_blacklist[] = {
"migrate_disable",
"migrate_enable",
...
};
it's not like it's one or two functions where copy-pasting strcmp might be fine
pw-bot: cr
> return false;
> }
>
> --
> 2.50.1
>
