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859055e076
Adding BPF_OBJ_GET_INFO_BY_FD support for tracing_multi links. We expose following tracing_multi link data: - attach_type of the program - number of ids - array of BTF ids - array of its related kernel addresses - array of cookies The change follows the kprobe_multi and uprobe_multi link-info convention of optional output arrays with an in/out count, On top of standard tracing link data we also expose addresses, because they are useful info for user (especially when the attachment was done via pattern). This data is hidden when kallsyms does not allow exposing kernel pointer values. Assisted-by: Codex:GPT-5 Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Leon Hwang <leon.hwang@linux.dev> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20260629212208.895962-2-jolsa@kernel.org