v4.19.13 snapshot.
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
new file mode 100644
index 0000000..a9760e7
--- /dev/null
+++ b/tools/perf/tests/tests.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef TESTS_H
+#define TESTS_H
+
+#include <stdbool.h>
+
+#define TEST_ASSERT_VAL(text, cond)					 \
+do {									 \
+	if (!(cond)) {							 \
+		pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+		return -1;						 \
+	}								 \
+} while (0)
+
+#define TEST_ASSERT_EQUAL(text, val, expected)				 \
+do {									 \
+	if (val != expected) {						 \
+		pr_debug("FAILED %s:%d %s (%d != %d)\n",		 \
+			 __FILE__, __LINE__, text, val, expected);	 \
+		return -1;						 \
+	}								 \
+} while (0)
+
+enum {
+	TEST_OK   =  0,
+	TEST_FAIL = -1,
+	TEST_SKIP = -2,
+};
+
+struct test {
+	const char *desc;
+	int (*func)(struct test *test, int subtest);
+	struct {
+		bool skip_if_fail;
+		int (*get_nr)(void);
+		const char *(*get_desc)(int subtest);
+	} subtest;
+	bool (*is_supported)(void);
+	void *priv;
+};
+
+/* Tests */
+int test__vmlinux_matches_kallsyms(struct test *test, int subtest);
+int test__openat_syscall_event(struct test *test, int subtest);
+int test__openat_syscall_event_on_all_cpus(struct test *test, int subtest);
+int test__basic_mmap(struct test *test, int subtest);
+int test__PERF_RECORD(struct test *test, int subtest);
+int test__perf_evsel__roundtrip_name_test(struct test *test, int subtest);
+int test__perf_evsel__tp_sched_test(struct test *test, int subtest);
+int test__syscall_openat_tp_fields(struct test *test, int subtest);
+int test__pmu(struct test *test, int subtest);
+int test__attr(struct test *test, int subtest);
+int test__dso_data(struct test *test, int subtest);
+int test__dso_data_cache(struct test *test, int subtest);
+int test__dso_data_reopen(struct test *test, int subtest);
+int test__parse_events(struct test *test, int subtest);
+int test__hists_link(struct test *test, int subtest);
+int test__python_use(struct test *test, int subtest);
+int test__bp_signal(struct test *test, int subtest);
+int test__bp_signal_overflow(struct test *test, int subtest);
+int test__bp_accounting(struct test *test, int subtest);
+int test__task_exit(struct test *test, int subtest);
+int test__mem(struct test *test, int subtest);
+int test__sw_clock_freq(struct test *test, int subtest);
+int test__code_reading(struct test *test, int subtest);
+int test__sample_parsing(struct test *test, int subtest);
+int test__keep_tracking(struct test *test, int subtest);
+int test__parse_no_sample_id_all(struct test *test, int subtest);
+int test__dwarf_unwind(struct test *test, int subtest);
+int test__expr(struct test *test, int subtest);
+int test__hists_filter(struct test *test, int subtest);
+int test__mmap_thread_lookup(struct test *test, int subtest);
+int test__thread_mg_share(struct test *test, int subtest);
+int test__hists_output(struct test *test, int subtest);
+int test__hists_cumulate(struct test *test, int subtest);
+int test__switch_tracking(struct test *test, int subtest);
+int test__fdarray__filter(struct test *test, int subtest);
+int test__fdarray__add(struct test *test, int subtest);
+int test__kmod_path__parse(struct test *test, int subtest);
+int test__thread_map(struct test *test, int subtest);
+int test__llvm(struct test *test, int subtest);
+const char *test__llvm_subtest_get_desc(int subtest);
+int test__llvm_subtest_get_nr(void);
+int test__bpf(struct test *test, int subtest);
+const char *test__bpf_subtest_get_desc(int subtest);
+int test__bpf_subtest_get_nr(void);
+int test__session_topology(struct test *test, int subtest);
+int test__thread_map_synthesize(struct test *test, int subtest);
+int test__thread_map_remove(struct test *test, int subtest);
+int test__cpu_map_synthesize(struct test *test, int subtest);
+int test__synthesize_stat_config(struct test *test, int subtest);
+int test__synthesize_stat(struct test *test, int subtest);
+int test__synthesize_stat_round(struct test *test, int subtest);
+int test__event_update(struct test *test, int subtest);
+int test__event_times(struct test *test, int subtest);
+int test__backward_ring_buffer(struct test *test, int subtest);
+int test__cpu_map_print(struct test *test, int subtest);
+int test__sdt_event(struct test *test, int subtest);
+int test__is_printable_array(struct test *test, int subtest);
+int test__bitmap_print(struct test *test, int subtest);
+int test__perf_hooks(struct test *test, int subtest);
+int test__clang(struct test *test, int subtest);
+const char *test__clang_subtest_get_desc(int subtest);
+int test__clang_subtest_get_nr(void);
+int test__unit_number__scnprint(struct test *test, int subtest);
+int test__mem2node(struct test *t, int subtest);
+
+bool test__bp_signal_is_supported(void);
+
+#if defined(__arm__) || defined(__aarch64__)
+#ifdef HAVE_DWARF_UNWIND_SUPPORT
+struct thread;
+struct perf_sample;
+int test__arch_unwind_sample(struct perf_sample *sample,
+			     struct thread *thread);
+#endif
+#endif
+#endif /* TESTS_H */