1. 根目录:
2. tools
3. perf
4. tests
5. tests.h

#ifndef TESTS_H
#define TESTS_H

#define TEST_ASSERT_VAL(text, cond)					 \
do {									 \
	if (!(cond)) {							 \
		pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
		return -1;						 \
	}								 \
} while (0)

enum {
	TEST_OK   =  0,
	TEST_FAIL = -1,
	TEST_SKIP = -2,
};

/* Tests */
int test__vmlinux_matches_kallsyms(void);
int test__open_syscall_event(void);
int test__open_syscall_event_on_all_cpus(void);
int test__basic_mmap(void);
int test__PERF_RECORD(void);
int test__rdpmc(void);
int test__perf_evsel__roundtrip_name_test(void);
int test__perf_evsel__tp_sched_test(void);
int test__syscall_open_tp_fields(void);
int test__pmu(void);
int test__attr(void);
int test__dso_data(void);
int test__parse_events(void);
int test__hists_link(void);
int test__python_use(void);
int test__bp_signal(void);
int test__bp_signal_overflow(void);
int test__task_exit(void);
int test__sw_clock_freq(void);
int test__perf_time_to_tsc(void);
int test__code_reading(void);
int test__sample_parsing(void);
int test__keep_tracking(void);
int test__parse_no_sample_id_all(void);

#endif /* TESTS_H */