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Commit | Line | Data |
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1c6a800c ACM |
1 | /* |
2 | * builtin-test.c | |
3 | * | |
4 | * Builtin regression testing command: ever growing number of sanity tests | |
5 | */ | |
0d8a5faa JO |
6 | #include <unistd.h> |
7 | #include <string.h> | |
1c6a800c | 8 | #include "builtin.h" |
a635fc51 | 9 | #include "hist.h" |
2ae82878 | 10 | #include "intlist.h" |
0a4e1ae6 | 11 | #include "tests.h" |
c81251e8 JO |
12 | #include "debug.h" |
13 | #include "color.h" | |
14 | #include "parse-options.h" | |
15 | #include "symbol.h" | |
0252208e | 16 | |
1c6a800c ACM |
17 | static struct test { |
18 | const char *desc; | |
19 | int (*func)(void); | |
20 | } tests[] = { | |
21 | { | |
22 | .desc = "vmlinux symtab matches kallsyms", | |
23 | .func = test__vmlinux_matches_kallsyms, | |
24 | }, | |
d854861c ACM |
25 | { |
26 | .desc = "detect open syscall event", | |
27 | .func = test__open_syscall_event, | |
28 | }, | |
0252208e ACM |
29 | { |
30 | .desc = "detect open syscall event on all cpus", | |
31 | .func = test__open_syscall_event_on_all_cpus, | |
32 | }, | |
de5fa3a8 ACM |
33 | { |
34 | .desc = "read samples using the mmap interface", | |
35 | .func = test__basic_mmap, | |
36 | }, | |
13b62567 JO |
37 | { |
38 | .desc = "parse events tests", | |
c81251e8 | 39 | .func = test__parse_events, |
13b62567 | 40 | }, |
08aa0d1f PZ |
41 | #if defined(__x86_64__) || defined(__i386__) |
42 | { | |
43 | .desc = "x86 rdpmc test", | |
44 | .func = test__rdpmc, | |
45 | }, | |
46 | #endif | |
3e7c439a ACM |
47 | { |
48 | .desc = "Validate PERF_RECORD_* events & perf_sample fields", | |
49 | .func = test__PERF_RECORD, | |
50 | }, | |
cd82a32e JO |
51 | { |
52 | .desc = "Test perf pmu format parsing", | |
cff7f956 | 53 | .func = test__pmu, |
cd82a32e | 54 | }, |
f7add556 | 55 | { |
4ebbcb84 | 56 | .desc = "Test dso data read", |
c81251e8 | 57 | .func = test__dso_data, |
f7add556 | 58 | }, |
4ebbcb84 JO |
59 | { |
60 | .desc = "Test dso data cache", | |
61 | .func = test__dso_data_cache, | |
62 | }, | |
45dc1bb5 JO |
63 | { |
64 | .desc = "Test dso data reopen", | |
65 | .func = test__dso_data_reopen, | |
66 | }, | |
8ad7013b ACM |
67 | { |
68 | .desc = "roundtrip evsel->name check", | |
cfffae2e | 69 | .func = test__perf_evsel__roundtrip_name_test, |
8ad7013b | 70 | }, |
6a6cd11d ACM |
71 | { |
72 | .desc = "Check parsing of sched tracepoints fields", | |
5e24a090 | 73 | .func = test__perf_evsel__tp_sched_test, |
6a6cd11d | 74 | }, |
eb2f2703 ACM |
75 | { |
76 | .desc = "Generate and check syscalls:sys_enter_open event fields", | |
77 | .func = test__syscall_open_tp_fields, | |
78 | }, | |
d898b241 JO |
79 | { |
80 | .desc = "struct perf_event_attr setup", | |
c81251e8 | 81 | .func = test__attr, |
d898b241 | 82 | }, |
f8ebb0cd | 83 | { |
ffcbaa14 | 84 | .desc = "Test matching and linking multiple hists", |
f8ebb0cd NK |
85 | .func = test__hists_link, |
86 | }, | |
54359d33 | 87 | { |
887e73d7 | 88 | .desc = "Try 'import perf' in python, checking link problems", |
54359d33 ACM |
89 | .func = test__python_use, |
90 | }, | |
5a6bef47 JO |
91 | { |
92 | .desc = "Test breakpoint overflow signal handler", | |
93 | .func = test__bp_signal, | |
94 | }, | |
06933e3a JO |
95 | { |
96 | .desc = "Test breakpoint overflow sampling", | |
97 | .func = test__bp_signal_overflow, | |
98 | }, | |
d723a550 NK |
99 | { |
100 | .desc = "Test number of exit event of a simple workload", | |
101 | .func = test__task_exit, | |
102 | }, | |
bc96b361 NK |
103 | { |
104 | .desc = "Test software clock events have valid period values", | |
105 | .func = test__sw_clock_freq, | |
106 | }, | |
3bd5a5fc AH |
107 | #if defined(__x86_64__) || defined(__i386__) |
108 | { | |
109 | .desc = "Test converting perf time to TSC", | |
110 | .func = test__perf_time_to_tsc, | |
111 | }, | |
112 | #endif | |
b55ae0a9 AH |
113 | { |
114 | .desc = "Test object code reading", | |
115 | .func = test__code_reading, | |
116 | }, | |
045f8cd8 AH |
117 | { |
118 | .desc = "Test sample parsing", | |
119 | .func = test__sample_parsing, | |
120 | }, | |
395c3070 AH |
121 | { |
122 | .desc = "Test using a dummy software event to keep tracking", | |
123 | .func = test__keep_tracking, | |
124 | }, | |
53a277e5 AH |
125 | { |
126 | .desc = "Test parsing with no sample_id_all bit set", | |
127 | .func = test__parse_no_sample_id_all, | |
128 | }, | |
90fa9deb | 129 | #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) |
9ff125d1 | 130 | #ifdef HAVE_DWARF_UNWIND_SUPPORT |
aa16b81f JO |
131 | { |
132 | .desc = "Test dwarf unwind", | |
133 | .func = test__dwarf_unwind, | |
134 | }, | |
135 | #endif | |
136 | #endif | |
3c3cfd99 NK |
137 | { |
138 | .desc = "Test filtering hist entries", | |
139 | .func = test__hists_filter, | |
140 | }, | |
4e85edfc JO |
141 | { |
142 | .desc = "Test mmap thread lookup", | |
143 | .func = test__mmap_thread_lookup, | |
144 | }, | |
fabf0123 JO |
145 | { |
146 | .desc = "Test thread mg sharing", | |
147 | .func = test__thread_mg_share, | |
148 | }, | |
f21d1815 NK |
149 | { |
150 | .desc = "Test output sorting of hist entries", | |
151 | .func = test__hists_output, | |
152 | }, | |
0506aecc NK |
153 | { |
154 | .desc = "Test cumulation of child hist entries", | |
155 | .func = test__hists_cumulate, | |
156 | }, | |
d44bc558 AH |
157 | { |
158 | .desc = "Test tracking with sched_switch", | |
159 | .func = test__switch_tracking, | |
160 | }, | |
54dbfae3 | 161 | { |
1b85337d ACM |
162 | .desc = "Filter fds with revents mask in a fdarray", |
163 | .func = test__fdarray__filter, | |
54dbfae3 | 164 | }, |
9ae28035 | 165 | { |
1b85337d ACM |
166 | .desc = "Add fd to a fdarray, making it autogrow", |
167 | .func = test__fdarray__add, | |
9ae28035 | 168 | }, |
1c6a800c ACM |
169 | { |
170 | .func = NULL, | |
171 | }, | |
172 | }; | |
173 | ||
e60770a0 | 174 | static bool perf_test__matches(int curr, int argc, const char *argv[]) |
1c6a800c | 175 | { |
e60770a0 ACM |
176 | int i; |
177 | ||
178 | if (argc == 0) | |
179 | return true; | |
180 | ||
181 | for (i = 0; i < argc; ++i) { | |
182 | char *end; | |
183 | long nr = strtoul(argv[i], &end, 10); | |
184 | ||
185 | if (*end == '\0') { | |
186 | if (nr == curr + 1) | |
187 | return true; | |
188 | continue; | |
189 | } | |
1c6a800c | 190 | |
e60770a0 ACM |
191 | if (strstr(tests[curr].desc, argv[i])) |
192 | return true; | |
193 | } | |
194 | ||
195 | return false; | |
196 | } | |
197 | ||
0d8a5faa JO |
198 | static int run_test(struct test *test) |
199 | { | |
200 | int status, err = -1, child = fork(); | |
ba3dfff8 | 201 | char sbuf[STRERR_BUFSIZE]; |
0d8a5faa JO |
202 | |
203 | if (child < 0) { | |
ba3dfff8 MH |
204 | pr_err("failed to fork test: %s\n", |
205 | strerror_r(errno, sbuf, sizeof(sbuf))); | |
0d8a5faa JO |
206 | return -1; |
207 | } | |
208 | ||
209 | if (!child) { | |
210 | pr_debug("test child forked, pid %d\n", getpid()); | |
211 | err = test->func(); | |
212 | exit(err); | |
213 | } | |
214 | ||
215 | wait(&status); | |
216 | ||
217 | if (WIFEXITED(status)) { | |
218 | err = WEXITSTATUS(status); | |
219 | pr_debug("test child finished with %d\n", err); | |
220 | } else if (WIFSIGNALED(status)) { | |
221 | err = -1; | |
222 | pr_debug("test child interrupted\n"); | |
223 | } | |
224 | ||
225 | return err; | |
226 | } | |
227 | ||
2ae82878 | 228 | static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) |
e60770a0 ACM |
229 | { |
230 | int i = 0; | |
9a8e85ad | 231 | int width = 0; |
1c6a800c | 232 | |
9a8e85ad ACM |
233 | while (tests[i].func) { |
234 | int len = strlen(tests[i].desc); | |
235 | ||
236 | if (width < len) | |
237 | width = len; | |
238 | ++i; | |
239 | } | |
945aea22 | 240 | |
9a8e85ad | 241 | i = 0; |
1c6a800c | 242 | while (tests[i].func) { |
e60770a0 ACM |
243 | int curr = i++, err; |
244 | ||
245 | if (!perf_test__matches(curr, argc, argv)) | |
246 | continue; | |
247 | ||
9a8e85ad | 248 | pr_info("%2d: %-*s:", i, width, tests[curr].desc); |
2ae82878 ACM |
249 | |
250 | if (intlist__find(skiplist, i)) { | |
251 | color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n"); | |
252 | continue; | |
253 | } | |
254 | ||
1c6a800c | 255 | pr_debug("\n--- start ---\n"); |
0d8a5faa | 256 | err = run_test(&tests[curr]); |
e60770a0 | 257 | pr_debug("---- end ----\n%s:", tests[curr].desc); |
f4c1ea5f JO |
258 | |
259 | switch (err) { | |
260 | case TEST_OK: | |
9a8e85ad | 261 | pr_info(" Ok\n"); |
f4c1ea5f JO |
262 | break; |
263 | case TEST_SKIP: | |
264 | color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n"); | |
265 | break; | |
266 | case TEST_FAIL: | |
267 | default: | |
268 | color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n"); | |
269 | break; | |
270 | } | |
1c6a800c ACM |
271 | } |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
e60770a0 ACM |
276 | static int perf_test__list(int argc, const char **argv) |
277 | { | |
278 | int i = 0; | |
279 | ||
280 | while (tests[i].func) { | |
281 | int curr = i++; | |
282 | ||
283 | if (argc > 1 && !strstr(tests[curr].desc, argv[1])) | |
284 | continue; | |
285 | ||
286 | pr_info("%2d: %s\n", i, tests[curr].desc); | |
287 | } | |
288 | ||
289 | return 0; | |
290 | } | |
1c6a800c | 291 | |
1d037ca1 | 292 | int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) |
e60770a0 | 293 | { |
1f9975f1 | 294 | const char *test_usage[] = { |
e60770a0 ACM |
295 | "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]", |
296 | NULL, | |
297 | }; | |
2ae82878 | 298 | const char *skip = NULL; |
e60770a0 | 299 | const struct option test_options[] = { |
2ae82878 | 300 | OPT_STRING('s', "skip", &skip, "tests", "tests to skip"), |
c30ab8aa | 301 | OPT_INCR('v', "verbose", &verbose, |
1c6a800c ACM |
302 | "be more verbose (show symbol address, etc)"), |
303 | OPT_END() | |
e60770a0 | 304 | }; |
1f9975f1 | 305 | const char * const test_subcommands[] = { "list", NULL }; |
2ae82878 | 306 | struct intlist *skiplist = NULL; |
a635fc51 ACM |
307 | int ret = hists__init(); |
308 | ||
309 | if (ret < 0) | |
310 | return ret; | |
1c6a800c | 311 | |
1f9975f1 | 312 | argc = parse_options_subcommand(argc, argv, test_options, test_subcommands, test_usage, 0); |
e60770a0 ACM |
313 | if (argc >= 1 && !strcmp(argv[0], "list")) |
314 | return perf_test__list(argc, argv); | |
1c6a800c ACM |
315 | |
316 | symbol_conf.priv_size = sizeof(int); | |
317 | symbol_conf.sort_by_name = true; | |
318 | symbol_conf.try_vmlinux_path = true; | |
319 | ||
0a7e6d1b | 320 | if (symbol__init(NULL) < 0) |
1c6a800c ACM |
321 | return -1; |
322 | ||
2ae82878 ACM |
323 | if (skip != NULL) |
324 | skiplist = intlist__new(skip); | |
325 | ||
326 | return __cmd_test(argc, argv, skiplist); | |
1c6a800c | 327 | } |