Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef TESTS_H
3#define TESTS_H
4
5#include <stdbool.h>
6
7enum {
8 TEST_OK = 0,
9 TEST_FAIL = -1,
10 TEST_SKIP = -2,
11};
12
13#define TEST_ASSERT_VAL(text, cond) \
14do { \
15 if (!(cond)) { \
16 pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
17 return TEST_FAIL; \
18 } \
19} while (0)
20
21#define TEST_ASSERT_EQUAL(text, val, expected) \
22do { \
23 if (val != expected) { \
24 pr_debug("FAILED %s:%d %s (%d != %d)\n", \
25 __FILE__, __LINE__, text, val, expected); \
26 return TEST_FAIL; \
27 } \
28} while (0)
29
30struct test_suite;
31
32typedef int (*test_fnptr)(struct test_suite *, int);
33
34struct test_case {
35 const char *name;
36 const char *desc;
37 const char *skip_reason;
38 test_fnptr run_case;
39 bool exclusive;
40};
41
42struct test_suite {
43 const char *desc;
44 struct test_case *test_cases;
45 void *priv;
46};
47
48#define DECLARE_SUITE(name) \
49 extern struct test_suite suite__##name;
50
51#define TEST_CASE(description, _name) \
52 { \
53 .name = #_name, \
54 .desc = description, \
55 .run_case = test__##_name, \
56 }
57
58#define TEST_CASE_REASON(description, _name, _reason) \
59 { \
60 .name = #_name, \
61 .desc = description, \
62 .run_case = test__##_name, \
63 .skip_reason = _reason, \
64 }
65
66#define TEST_CASE_EXCLUSIVE(description, _name) \
67 { \
68 .name = #_name, \
69 .desc = description, \
70 .run_case = test__##_name, \
71 .exclusive = true, \
72 }
73
74#define DEFINE_SUITE(description, _name) \
75 struct test_case tests__##_name[] = { \
76 TEST_CASE(description, _name), \
77 { .name = NULL, } \
78 }; \
79 struct test_suite suite__##_name = { \
80 .desc = description, \
81 .test_cases = tests__##_name, \
82 }
83
84#define DEFINE_SUITE_EXCLUSIVE(description, _name) \
85 struct test_case tests__##_name[] = { \
86 TEST_CASE_EXCLUSIVE(description, _name),\
87 { .name = NULL, } \
88 }; \
89 struct test_suite suite__##_name = { \
90 .desc = description, \
91 .test_cases = tests__##_name, \
92 }
93
94/* Tests */
95DECLARE_SUITE(vmlinux_matches_kallsyms);
96DECLARE_SUITE(openat_syscall_event);
97DECLARE_SUITE(openat_syscall_event_on_all_cpus);
98DECLARE_SUITE(basic_mmap);
99DECLARE_SUITE(PERF_RECORD);
100DECLARE_SUITE(perf_evsel__roundtrip_name_test);
101DECLARE_SUITE(perf_evsel__tp_sched_test);
102DECLARE_SUITE(syscall_openat_tp_fields);
103DECLARE_SUITE(pmu);
104DECLARE_SUITE(pmu_events);
105DECLARE_SUITE(hwmon_pmu);
106DECLARE_SUITE(tool_pmu);
107DECLARE_SUITE(attr);
108DECLARE_SUITE(dso_data);
109DECLARE_SUITE(dso_data_cache);
110DECLARE_SUITE(dso_data_reopen);
111DECLARE_SUITE(parse_events);
112DECLARE_SUITE(hists_link);
113DECLARE_SUITE(python_use);
114DECLARE_SUITE(bp_signal);
115DECLARE_SUITE(bp_signal_overflow);
116DECLARE_SUITE(bp_accounting);
117DECLARE_SUITE(wp);
118DECLARE_SUITE(task_exit);
119DECLARE_SUITE(mem);
120DECLARE_SUITE(sw_clock_freq);
121DECLARE_SUITE(code_reading);
122DECLARE_SUITE(sample_parsing);
123DECLARE_SUITE(keep_tracking);
124DECLARE_SUITE(parse_no_sample_id_all);
125DECLARE_SUITE(dwarf_unwind);
126DECLARE_SUITE(expr);
127DECLARE_SUITE(hists_filter);
128DECLARE_SUITE(mmap_thread_lookup);
129DECLARE_SUITE(thread_maps_share);
130DECLARE_SUITE(hists_output);
131DECLARE_SUITE(hists_cumulate);
132DECLARE_SUITE(switch_tracking);
133DECLARE_SUITE(fdarray__filter);
134DECLARE_SUITE(fdarray__add);
135DECLARE_SUITE(kmod_path__parse);
136DECLARE_SUITE(thread_map);
137DECLARE_SUITE(bpf);
138DECLARE_SUITE(session_topology);
139DECLARE_SUITE(thread_map_synthesize);
140DECLARE_SUITE(thread_map_remove);
141DECLARE_SUITE(cpu_map);
142DECLARE_SUITE(synthesize_stat_config);
143DECLARE_SUITE(synthesize_stat);
144DECLARE_SUITE(synthesize_stat_round);
145DECLARE_SUITE(event_update);
146DECLARE_SUITE(event_times);
147DECLARE_SUITE(backward_ring_buffer);
148DECLARE_SUITE(sdt_event);
149DECLARE_SUITE(is_printable_array);
150DECLARE_SUITE(bitmap_print);
151DECLARE_SUITE(perf_hooks);
152DECLARE_SUITE(unit_number__scnprint);
153DECLARE_SUITE(mem2node);
154DECLARE_SUITE(maps__merge_in);
155DECLARE_SUITE(time_utils);
156DECLARE_SUITE(jit_write_elf);
157DECLARE_SUITE(api_io);
158DECLARE_SUITE(demangle_java);
159DECLARE_SUITE(demangle_ocaml);
160DECLARE_SUITE(pfm);
161DECLARE_SUITE(parse_metric);
162DECLARE_SUITE(pe_file_parsing);
163DECLARE_SUITE(expand_cgroup_events);
164DECLARE_SUITE(perf_time_to_tsc);
165DECLARE_SUITE(dlfilter);
166DECLARE_SUITE(sigtrap);
167DECLARE_SUITE(event_groups);
168DECLARE_SUITE(symbols);
169DECLARE_SUITE(util);
170
171/*
172 * PowerPC and S390 do not support creation of instruction breakpoints using the
173 * perf_event interface.
174 *
175 * ARM requires explicit rounding down of the instruction pointer in Thumb mode,
176 * and then requires the single-step to be handled explicitly in the overflow
177 * handler to avoid stepping into the SIGIO handler and getting stuck on the
178 * breakpointed instruction.
179 *
180 * Since arm64 has the same issue with arm for the single-step handling, this
181 * case also gets stuck on the breakpointed instruction.
182 *
183 * Just disable the test for these architectures until these issues are
184 * resolved.
185 */
186#if defined(__powerpc__) || defined(__s390x__) || defined(__arm__) || defined(__aarch64__)
187#define BP_SIGNAL_IS_SUPPORTED 0
188#else
189#define BP_SIGNAL_IS_SUPPORTED 1
190#endif
191
192#ifdef HAVE_DWARF_UNWIND_SUPPORT
193struct thread;
194struct perf_sample;
195int test__arch_unwind_sample(struct perf_sample *sample,
196 struct thread *thread);
197#endif
198
199#if defined(__arm__)
200DECLARE_SUITE(vectors_page);
201#endif
202
203/*
204 * Define test workloads to be used in test suites.
205 */
206typedef int (*workload_fnptr)(int argc, const char **argv);
207
208struct test_workload {
209 const char *name;
210 workload_fnptr func;
211};
212
213#define DECLARE_WORKLOAD(work) \
214 extern struct test_workload workload__##work
215
216#define DEFINE_WORKLOAD(work) \
217struct test_workload workload__##work = { \
218 .name = #work, \
219 .func = work, \
220}
221
222/* The list of test workloads */
223DECLARE_WORKLOAD(noploop);
224DECLARE_WORKLOAD(thloop);
225DECLARE_WORKLOAD(leafloop);
226DECLARE_WORKLOAD(sqrtloop);
227DECLARE_WORKLOAD(brstack);
228DECLARE_WORKLOAD(datasym);
229DECLARE_WORKLOAD(landlock);
230
231extern const char *dso_to_test;
232extern const char *test_objdump_path;
233
234#endif /* TESTS_H */