btf_required     1442 tools/lib/bpf/libbpf.c 	bool btf_required = bpf_object__is_btf_mandatory(obj);
btf_required     1476 tools/lib/bpf/libbpf.c 		if (btf_required)
btf_required     1484 tools/lib/bpf/libbpf.c 	if (btf_required && !obj->btf) {