Re: [External] Re: [RFC PATCH bpf-next v2 1/3] libbpf: Optimize kprobe.session attachment for exact function names

[Andrey Grodzovsky]

> -       if (pattern) {
> +       /*
> +        * Exact function name (no wildcards): bypass kallsyms parsing
> +        * and pass the symbol directly to the kernel via syms[] array.
> +        * The kernel's ftrace_lookup_symbols() resolves it efficiently.
> +        */
> +       if (pattern && !strpbrk(pattern, "*?")) {
> +               syms = &pattern;
> +               cnt = 1;
> +       } else if (pattern) {
>                 if (has_available_filter_functions_addrs())
>                         err = libbpf_available_kprobes_parse(&res);
>
>
> wdyt?

Totally agree, updated in V3.

Thanks,
Andrey