kretprobe_idx 31 tools/testing/selftests/bpf/prog_tests/attach_probe.c const int kprobe_idx = 0, kretprobe_idx = 1; kretprobe_idx 128 tools/testing/selftests/bpf/prog_tests/attach_probe.c err = bpf_map_lookup_elem(results_map_fd, &kretprobe_idx, &res); kretprobe_idx 132 tools/testing/selftests/bpf/prog_tests/attach_probe.c if (CHECK(res != kretprobe_idx + 1, "check_kretprobe_res",