From: Jiri Olsa <jolsa@kernel.org>
Date: Tue, 4 Nov 2025 21:54:05 +0000 (+0100)
Subject: selftests/bpf: Add stacktrace ips test for raw_tp
X-Git-Tag: v6.18-rc6~11^2~4^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3490d29964bdd524366d266b655112cb549c7460;p=thirdparty%2Flinux.git

selftests/bpf: Add stacktrace ips test for raw_tp

Adding test that verifies we get expected initial 2 entries from
stacktrace for rawtp probe via ORC unwind.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20251104215405.168643-5-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---

diff --git a/tools/testing/selftests/bpf/prog_tests/stacktrace_ips.c b/tools/testing/selftests/bpf/prog_tests/stacktrace_ips.c
index 6fca459ba550c..c9efdd2a5b18a 100644
--- a/tools/testing/selftests/bpf/prog_tests/stacktrace_ips.c
+++ b/tools/testing/selftests/bpf/prog_tests/stacktrace_ips.c
@@ -84,12 +84,58 @@ cleanup:
 	stacktrace_ips__destroy(skel);
 }
 
+static void test_stacktrace_ips_raw_tp(void)
+{
+	__u32 info_len = sizeof(struct bpf_prog_info);
+	LIBBPF_OPTS(bpf_test_run_opts, topts);
+	struct bpf_prog_info info = {};
+	struct stacktrace_ips *skel;
+	__u64 bpf_prog_ksym = 0;
+	int err;
+
+	skel = stacktrace_ips__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "stacktrace_ips__open_and_load"))
+		return;
+
+	if (!skel->kconfig->CONFIG_UNWINDER_ORC) {
+		test__skip();
+		goto cleanup;
+	}
+
+	skel->links.rawtp_test = bpf_program__attach_raw_tracepoint(
+							skel->progs.rawtp_test,
+							"bpf_testmod_test_read");
+	if (!ASSERT_OK_PTR(skel->links.rawtp_test, "bpf_program__attach_raw_tracepoint"))
+		goto cleanup;
+
+	/* get bpf program address */
+	info.jited_ksyms = ptr_to_u64(&bpf_prog_ksym);
+	info.nr_jited_ksyms = 1;
+	err = bpf_prog_get_info_by_fd(bpf_program__fd(skel->progs.rawtp_test),
+				      &info, &info_len);
+	if (!ASSERT_OK(err, "bpf_prog_get_info_by_fd"))
+		goto cleanup;
+
+	trigger_module_test_read(1);
+
+	load_kallsyms();
+
+	check_stacktrace_ips(bpf_map__fd(skel->maps.stackmap), skel->bss->stack_key, 2,
+			     bpf_prog_ksym,
+			     ksym_get_addr("bpf_trace_run2"));
+
+cleanup:
+	stacktrace_ips__destroy(skel);
+}
+
 static void __test_stacktrace_ips(void)
 {
 	if (test__start_subtest("kprobe_multi"))
 		test_stacktrace_ips_kprobe_multi(false);
 	if (test__start_subtest("kretprobe_multi"))
 		test_stacktrace_ips_kprobe_multi(true);
+	if (test__start_subtest("raw_tp"))
+		test_stacktrace_ips_raw_tp();
 }
 #else
 static void __test_stacktrace_ips(void)
diff --git a/tools/testing/selftests/bpf/progs/stacktrace_ips.c b/tools/testing/selftests/bpf/progs/stacktrace_ips.c
index e2eb30945c1b4..a96c8150d7f5a 100644
--- a/tools/testing/selftests/bpf/progs/stacktrace_ips.c
+++ b/tools/testing/selftests/bpf/progs/stacktrace_ips.c
@@ -38,4 +38,12 @@ int kprobe_multi_test(struct pt_regs *ctx)
 	return 0;
 }
 
+SEC("raw_tp/bpf_testmod_test_read")
+int rawtp_test(void *ctx)
+{
+	/* Skip ebpf program entry in the stack. */
+	stack_key = bpf_get_stackid(ctx, &stackmap, 0);
+	return 0;
+}
+
 char _license[] SEC("license") = "GPL";