Loading...
1// SPDX-License-Identifier: GPL-2.0
2#include "parse-events.h"
3#include "pmu.h"
4#include "tests.h"
5#include <errno.h>
6#include <stdio.h>
7#include <linux/kernel.h>
8#include <linux/limits.h>
9
10/* Simulated format definitions. */
11static struct test_format {
12 const char *name;
13 const char *value;
14} test_formats[] = {
15 { "krava01", "config:0-1,62-63\n", },
16 { "krava02", "config:10-17\n", },
17 { "krava03", "config:5\n", },
18 { "krava11", "config1:0,2,4,6,8,20-28\n", },
19 { "krava12", "config1:63\n", },
20 { "krava13", "config1:45-47\n", },
21 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
22 { "krava22", "config2:8,18,48,58\n", },
23 { "krava23", "config2:28-29,38\n", },
24};
25
26/* Simulated users input. */
27static struct parse_events_term test_terms[] = {
28 {
29 .config = (char *) "krava01",
30 .val.num = 15,
31 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
32 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
33 },
34 {
35 .config = (char *) "krava02",
36 .val.num = 170,
37 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
38 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
39 },
40 {
41 .config = (char *) "krava03",
42 .val.num = 1,
43 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
44 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
45 },
46 {
47 .config = (char *) "krava11",
48 .val.num = 27,
49 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
50 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
51 },
52 {
53 .config = (char *) "krava12",
54 .val.num = 1,
55 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
56 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
57 },
58 {
59 .config = (char *) "krava13",
60 .val.num = 2,
61 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
62 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
63 },
64 {
65 .config = (char *) "krava21",
66 .val.num = 119,
67 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
68 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
69 },
70 {
71 .config = (char *) "krava22",
72 .val.num = 11,
73 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
74 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
75 },
76 {
77 .config = (char *) "krava23",
78 .val.num = 2,
79 .type_val = PARSE_EVENTS__TERM_TYPE_NUM,
80 .type_term = PARSE_EVENTS__TERM_TYPE_USER,
81 },
82};
83
84/*
85 * Prepare format directory data, exported by kernel
86 * at /sys/bus/event_source/devices/<dev>/format.
87 */
88static char *test_format_dir_get(void)
89{
90 static char dir[PATH_MAX];
91 unsigned int i;
92
93 snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
94 if (!mkdtemp(dir))
95 return NULL;
96
97 for (i = 0; i < ARRAY_SIZE(test_formats); i++) {
98 static char name[PATH_MAX];
99 struct test_format *format = &test_formats[i];
100 FILE *file;
101
102 scnprintf(name, PATH_MAX, "%s/%s", dir, format->name);
103
104 file = fopen(name, "w");
105 if (!file)
106 return NULL;
107
108 if (1 != fwrite(format->value, strlen(format->value), 1, file))
109 break;
110
111 fclose(file);
112 }
113
114 return dir;
115}
116
117/* Cleanup format directory. */
118static int test_format_dir_put(char *dir)
119{
120 char buf[PATH_MAX];
121 snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
122 if (system(buf))
123 return -1;
124
125 snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
126 return system(buf);
127}
128
129static struct list_head *test_terms_list(void)
130{
131 static LIST_HEAD(terms);
132 unsigned int i;
133
134 for (i = 0; i < ARRAY_SIZE(test_terms); i++)
135 list_add_tail(&test_terms[i].list, &terms);
136
137 return &terms;
138}
139
140int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
141{
142 char *format = test_format_dir_get();
143 LIST_HEAD(formats);
144 struct list_head *terms = test_terms_list();
145 int ret;
146
147 if (!format)
148 return -EINVAL;
149
150 do {
151 struct perf_event_attr attr;
152
153 memset(&attr, 0, sizeof(attr));
154
155 ret = perf_pmu__format_parse(format, &formats);
156 if (ret)
157 break;
158
159 ret = perf_pmu__config_terms(&formats, &attr, terms,
160 false, NULL);
161 if (ret)
162 break;
163
164 ret = -EINVAL;
165
166 if (attr.config != 0xc00000000002a823)
167 break;
168 if (attr.config1 != 0x8000400000000145)
169 break;
170 if (attr.config2 != 0x0400000020041d07)
171 break;
172
173 ret = 0;
174 } while (0);
175
176 test_format_dir_put(format);
177 return ret;
178}
1// SPDX-License-Identifier: GPL-2.0
2#include "evlist.h"
3#include "evsel.h"
4#include "parse-events.h"
5#include "pmu.h"
6#include "pmus.h"
7#include "tests.h"
8#include "debug.h"
9#include "fncache.h"
10#include <api/fs/fs.h>
11#include <ctype.h>
12#include <dirent.h>
13#include <errno.h>
14#include <fcntl.h>
15#include <stdio.h>
16#include <stdlib.h>
17#include <unistd.h>
18#include <sys/stat.h>
19#include <sys/types.h>
20
21/* Cleanup test PMU directory. */
22static int test_pmu_put(const char *dir, struct perf_pmu *pmu)
23{
24 char buf[PATH_MAX + 20];
25 int ret;
26
27 if (scnprintf(buf, sizeof(buf), "rm -fr %s", dir) < 0) {
28 pr_err("Failure to set up buffer for \"%s\"\n", dir);
29 return -EINVAL;
30 }
31 ret = system(buf);
32 if (ret)
33 pr_err("Failure to \"%s\"\n", buf);
34
35 list_del(&pmu->list);
36 perf_pmu__delete(pmu);
37 return ret;
38}
39
40/*
41 * Prepare test PMU directory data, normally exported by kernel at
42 * /sys/bus/event_source/devices/<pmu>/. Give as input a buffer to hold the file
43 * path, the result is PMU loaded using that directory.
44 */
45static struct perf_pmu *test_pmu_get(char *dir, size_t sz)
46{
47 /* Simulated format definitions. */
48 const struct test_format {
49 const char *name;
50 const char *value;
51 } test_formats[] = {
52 { "krava01", "config:0-1,62-63\n", },
53 { "krava02", "config:10-17\n", },
54 { "krava03", "config:5\n", },
55 { "krava11", "config1:0,2,4,6,8,20-28\n", },
56 { "krava12", "config1:63\n", },
57 { "krava13", "config1:45-47\n", },
58 { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
59 { "krava22", "config2:8,18,48,58\n", },
60 { "krava23", "config2:28-29,38\n", },
61 };
62 const char *test_event = "krava01=15,krava02=170,krava03=1,krava11=27,krava12=1,"
63 "krava13=2,krava21=119,krava22=11,krava23=2\n";
64
65 char name[PATH_MAX];
66 int dirfd, file;
67 struct perf_pmu *pmu = NULL;
68 ssize_t len;
69
70 /* Create equivalent of sysfs mount point. */
71 scnprintf(dir, sz, "/tmp/perf-pmu-test-XXXXXX");
72 if (!mkdtemp(dir)) {
73 pr_err("mkdtemp failed\n");
74 dir[0] = '\0';
75 return NULL;
76 }
77 dirfd = open(dir, O_DIRECTORY);
78 if (dirfd < 0) {
79 pr_err("Failed to open test directory \"%s\"\n", dir);
80 goto err_out;
81 }
82
83 /* Create the test PMU directory and give it a perf_event_attr type number. */
84 if (mkdirat(dirfd, "perf-pmu-test", 0755) < 0) {
85 pr_err("Failed to mkdir PMU directory\n");
86 goto err_out;
87 }
88 file = openat(dirfd, "perf-pmu-test/type", O_WRONLY | O_CREAT, 0600);
89 if (!file) {
90 pr_err("Failed to open for writing file \"type\"\n");
91 goto err_out;
92 }
93 len = strlen("9999");
94 if (write(file, "9999\n", len) < len) {
95 close(file);
96 pr_err("Failed to write to 'type' file\n");
97 goto err_out;
98 }
99 close(file);
100
101 /* Create format directory and files. */
102 if (mkdirat(dirfd, "perf-pmu-test/format", 0755) < 0) {
103 pr_err("Failed to mkdir PMU format directory\n)");
104 goto err_out;
105 }
106 for (size_t i = 0; i < ARRAY_SIZE(test_formats); i++) {
107 const struct test_format *format = &test_formats[i];
108
109 if (scnprintf(name, PATH_MAX, "perf-pmu-test/format/%s", format->name) < 0) {
110 pr_err("Failure to set up path for \"%s\"\n", format->name);
111 goto err_out;
112 }
113 file = openat(dirfd, name, O_WRONLY | O_CREAT, 0600);
114 if (!file) {
115 pr_err("Failed to open for writing file \"%s\"\n", name);
116 goto err_out;
117 }
118
119 if (write(file, format->value, strlen(format->value)) < 0) {
120 pr_err("Failed to write to file \"%s\"\n", name);
121 close(file);
122 goto err_out;
123 }
124 close(file);
125 }
126
127 /* Create test event. */
128 if (mkdirat(dirfd, "perf-pmu-test/events", 0755) < 0) {
129 pr_err("Failed to mkdir PMU events directory\n");
130 goto err_out;
131 }
132 file = openat(dirfd, "perf-pmu-test/events/test-event", O_WRONLY | O_CREAT, 0600);
133 if (!file) {
134 pr_err("Failed to open for writing file \"type\"\n");
135 goto err_out;
136 }
137 len = strlen(test_event);
138 if (write(file, test_event, len) < len) {
139 close(file);
140 pr_err("Failed to write to 'test-event' file\n");
141 goto err_out;
142 }
143 close(file);
144
145 /* Make the PMU reading the files created above. */
146 pmu = perf_pmus__add_test_pmu(dirfd, "perf-pmu-test");
147 if (!pmu)
148 pr_err("Test PMU creation failed\n");
149
150err_out:
151 if (!pmu)
152 test_pmu_put(dir, pmu);
153 if (dirfd >= 0)
154 close(dirfd);
155 return pmu;
156}
157
158static int test__pmu_format(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
159{
160 char dir[PATH_MAX];
161 struct perf_event_attr attr;
162 struct parse_events_terms terms;
163 int ret = TEST_FAIL;
164 struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir));
165
166 if (!pmu)
167 return TEST_FAIL;
168
169 parse_events_terms__init(&terms);
170 if (parse_events_terms(&terms,
171 "krava01=15,krava02=170,krava03=1,krava11=27,krava12=1,"
172 "krava13=2,krava21=119,krava22=11,krava23=2",
173 NULL)) {
174 pr_err("Term parsing failed\n");
175 goto err_out;
176 }
177
178 memset(&attr, 0, sizeof(attr));
179 ret = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/false,
180 /*apply_hardcoded=*/false, /*err=*/NULL);
181 if (ret) {
182 pr_err("perf_pmu__config_terms failed");
183 goto err_out;
184 }
185
186 if (attr.config != 0xc00000000002a823) {
187 pr_err("Unexpected config value %llx\n", attr.config);
188 goto err_out;
189 }
190 if (attr.config1 != 0x8000400000000145) {
191 pr_err("Unexpected config1 value %llx\n", attr.config1);
192 goto err_out;
193 }
194 if (attr.config2 != 0x0400000020041d07) {
195 pr_err("Unexpected config2 value %llx\n", attr.config2);
196 goto err_out;
197 }
198
199 ret = TEST_OK;
200err_out:
201 parse_events_terms__exit(&terms);
202 test_pmu_put(dir, pmu);
203 return ret;
204}
205
206static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
207{
208 char dir[PATH_MAX];
209 struct parse_events_error err;
210 struct evlist *evlist;
211 struct evsel *evsel;
212 struct perf_event_attr *attr;
213 int ret = TEST_FAIL;
214 struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir));
215 const char *event = "perf-pmu-test/test-event/";
216
217
218 if (!pmu)
219 return TEST_FAIL;
220
221 evlist = evlist__new();
222 if (evlist == NULL) {
223 pr_err("Failed allocation");
224 goto err_out;
225 }
226 parse_events_error__init(&err);
227 ret = parse_events(evlist, event, &err);
228 if (ret) {
229 pr_debug("failed to parse event '%s', err %d\n", event, ret);
230 parse_events_error__print(&err, event);
231 if (parse_events_error__contains(&err, "can't access trace events"))
232 ret = TEST_SKIP;
233 goto err_out;
234 }
235 evsel = evlist__first(evlist);
236 attr = &evsel->core.attr;
237 if (attr->config != 0xc00000000002a823) {
238 pr_err("Unexpected config value %llx\n", attr->config);
239 goto err_out;
240 }
241 if (attr->config1 != 0x8000400000000145) {
242 pr_err("Unexpected config1 value %llx\n", attr->config1);
243 goto err_out;
244 }
245 if (attr->config2 != 0x0400000020041d07) {
246 pr_err("Unexpected config2 value %llx\n", attr->config2);
247 goto err_out;
248 }
249
250 ret = TEST_OK;
251err_out:
252 parse_events_error__exit(&err);
253 evlist__delete(evlist);
254 test_pmu_put(dir, pmu);
255 return ret;
256}
257
258static bool permitted_event_name(const char *name)
259{
260 bool has_lower = false, has_upper = false;
261 __u64 config;
262
263 for (size_t i = 0; i < strlen(name); i++) {
264 char c = name[i];
265
266 if (islower(c)) {
267 if (has_upper)
268 goto check_legacy;
269 has_lower = true;
270 continue;
271 }
272 if (isupper(c)) {
273 if (has_lower)
274 goto check_legacy;
275 has_upper = true;
276 continue;
277 }
278 if (!isdigit(c) && c != '.' && c != '_' && c != '-')
279 goto check_legacy;
280 }
281 return true;
282check_legacy:
283 /*
284 * If the event name matches a legacy cache name the legacy encoding
285 * will still be used. This isn't quite WAI as sysfs events should take
286 * priority, but this case happens on PowerPC and matches the behavior
287 * in older perf tools where legacy events were the priority. Be
288 * permissive and assume later PMU drivers will use all lower or upper
289 * case names.
290 */
291 if (parse_events__decode_legacy_cache(name, /*extended_pmu_type=*/0, &config) == 0) {
292 pr_warning("sysfs event '%s' should be all lower/upper case, it will be matched using legacy encoding.",
293 name);
294 return true;
295 }
296 return false;
297}
298
299static int test__pmu_event_names(struct test_suite *test __maybe_unused,
300 int subtest __maybe_unused)
301{
302 char path[PATH_MAX];
303 DIR *pmu_dir, *event_dir;
304 struct dirent *pmu_dent, *event_dent;
305 const char *sysfs = sysfs__mountpoint();
306 int ret = TEST_OK;
307
308 if (!sysfs) {
309 pr_err("Sysfs not mounted\n");
310 return TEST_FAIL;
311 }
312
313 snprintf(path, sizeof(path), "%s/bus/event_source/devices/", sysfs);
314 pmu_dir = opendir(path);
315 if (!pmu_dir) {
316 pr_err("Error opening \"%s\"\n", path);
317 return TEST_FAIL;
318 }
319 while ((pmu_dent = readdir(pmu_dir))) {
320 if (!strcmp(pmu_dent->d_name, ".") ||
321 !strcmp(pmu_dent->d_name, ".."))
322 continue;
323
324 snprintf(path, sizeof(path), "%s/bus/event_source/devices/%s/type",
325 sysfs, pmu_dent->d_name);
326
327 /* Does it look like a PMU? */
328 if (!file_available(path))
329 continue;
330
331 /* Process events. */
332 snprintf(path, sizeof(path), "%s/bus/event_source/devices/%s/events",
333 sysfs, pmu_dent->d_name);
334
335 event_dir = opendir(path);
336 if (!event_dir) {
337 pr_debug("Skipping as no event directory \"%s\"\n", path);
338 continue;
339 }
340 while ((event_dent = readdir(event_dir))) {
341 const char *event_name = event_dent->d_name;
342
343 if (!strcmp(event_name, ".") || !strcmp(event_name, ".."))
344 continue;
345
346 if (!permitted_event_name(event_name)) {
347 pr_err("Invalid sysfs event name: %s/%s\n",
348 pmu_dent->d_name, event_name);
349 ret = TEST_FAIL;
350 }
351 }
352 closedir(event_dir);
353 }
354 closedir(pmu_dir);
355 return ret;
356}
357
358static const char * const uncore_chas[] = {
359 "uncore_cha_0",
360 "uncore_cha_1",
361 "uncore_cha_2",
362 "uncore_cha_3",
363 "uncore_cha_4",
364 "uncore_cha_5",
365 "uncore_cha_6",
366 "uncore_cha_7",
367 "uncore_cha_8",
368 "uncore_cha_9",
369 "uncore_cha_10",
370 "uncore_cha_11",
371 "uncore_cha_12",
372 "uncore_cha_13",
373 "uncore_cha_14",
374 "uncore_cha_15",
375 "uncore_cha_16",
376 "uncore_cha_17",
377 "uncore_cha_18",
378 "uncore_cha_19",
379 "uncore_cha_20",
380 "uncore_cha_21",
381 "uncore_cha_22",
382 "uncore_cha_23",
383 "uncore_cha_24",
384 "uncore_cha_25",
385 "uncore_cha_26",
386 "uncore_cha_27",
387 "uncore_cha_28",
388 "uncore_cha_29",
389 "uncore_cha_30",
390 "uncore_cha_31",
391};
392
393static const char * const mrvl_ddrs[] = {
394 "mrvl_ddr_pmu_87e1b0000000",
395 "mrvl_ddr_pmu_87e1b1000000",
396 "mrvl_ddr_pmu_87e1b2000000",
397 "mrvl_ddr_pmu_87e1b3000000",
398 "mrvl_ddr_pmu_87e1b4000000",
399 "mrvl_ddr_pmu_87e1b5000000",
400 "mrvl_ddr_pmu_87e1b6000000",
401 "mrvl_ddr_pmu_87e1b7000000",
402 "mrvl_ddr_pmu_87e1b8000000",
403 "mrvl_ddr_pmu_87e1b9000000",
404 "mrvl_ddr_pmu_87e1ba000000",
405 "mrvl_ddr_pmu_87e1bb000000",
406 "mrvl_ddr_pmu_87e1bc000000",
407 "mrvl_ddr_pmu_87e1bd000000",
408 "mrvl_ddr_pmu_87e1be000000",
409 "mrvl_ddr_pmu_87e1bf000000",
410};
411
412static int test__name_len(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
413{
414 TEST_ASSERT_VAL("cpu", pmu_name_len_no_suffix("cpu") == strlen("cpu"));
415 TEST_ASSERT_VAL("i915", pmu_name_len_no_suffix("i915") == strlen("i915"));
416 TEST_ASSERT_VAL("cpum_cf", pmu_name_len_no_suffix("cpum_cf") == strlen("cpum_cf"));
417 for (size_t i = 0; i < ARRAY_SIZE(uncore_chas); i++) {
418 TEST_ASSERT_VAL("Strips uncore_cha suffix",
419 pmu_name_len_no_suffix(uncore_chas[i]) ==
420 strlen("uncore_cha"));
421 }
422 for (size_t i = 0; i < ARRAY_SIZE(mrvl_ddrs); i++) {
423 TEST_ASSERT_VAL("Strips mrvl_ddr_pmu suffix",
424 pmu_name_len_no_suffix(mrvl_ddrs[i]) ==
425 strlen("mrvl_ddr_pmu"));
426 }
427 return TEST_OK;
428}
429
430static int test__name_cmp(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
431{
432 TEST_ASSERT_EQUAL("cpu", pmu_name_cmp("cpu", "cpu"), 0);
433 TEST_ASSERT_EQUAL("i915", pmu_name_cmp("i915", "i915"), 0);
434 TEST_ASSERT_EQUAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_cf"), 0);
435 TEST_ASSERT_VAL("i915", pmu_name_cmp("cpu", "i915") < 0);
436 TEST_ASSERT_VAL("i915", pmu_name_cmp("i915", "cpu") > 0);
437 TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_ce") > 0);
438 TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_d0") < 0);
439 for (size_t i = 1; i < ARRAY_SIZE(uncore_chas); i++) {
440 TEST_ASSERT_VAL("uncore_cha suffixes ordered lt",
441 pmu_name_cmp(uncore_chas[i-1], uncore_chas[i]) < 0);
442 TEST_ASSERT_VAL("uncore_cha suffixes ordered gt",
443 pmu_name_cmp(uncore_chas[i], uncore_chas[i-1]) > 0);
444 }
445 for (size_t i = 1; i < ARRAY_SIZE(mrvl_ddrs); i++) {
446 TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered lt",
447 pmu_name_cmp(mrvl_ddrs[i-1], mrvl_ddrs[i]) < 0);
448 TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered gt",
449 pmu_name_cmp(mrvl_ddrs[i], mrvl_ddrs[i-1]) > 0);
450 }
451 return TEST_OK;
452}
453
454/**
455 * Test perf_pmu__match() that's used to search for a PMU given a name passed
456 * on the command line. The name that's passed may also be a filename type glob
457 * match. If the name does not match, perf_pmu__match() attempts to match the
458 * alias of the PMU, if provided.
459 */
460static int test__pmu_match(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
461{
462 struct perf_pmu test_pmu = {
463 .name = "pmuname",
464 };
465
466 TEST_ASSERT_EQUAL("Exact match", perf_pmu__match(&test_pmu, "pmuname"), true);
467 TEST_ASSERT_EQUAL("Longer token", perf_pmu__match(&test_pmu, "longertoken"), false);
468 TEST_ASSERT_EQUAL("Shorter token", perf_pmu__match(&test_pmu, "pmu"), false);
469
470 test_pmu.name = "pmuname_10";
471 TEST_ASSERT_EQUAL("Diff suffix_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
472 TEST_ASSERT_EQUAL("Sub suffix_", perf_pmu__match(&test_pmu, "pmuname_1"), true);
473 TEST_ASSERT_EQUAL("Same suffix_", perf_pmu__match(&test_pmu, "pmuname_10"), true);
474 TEST_ASSERT_EQUAL("No suffix_", perf_pmu__match(&test_pmu, "pmuname"), true);
475 TEST_ASSERT_EQUAL("Underscore_", perf_pmu__match(&test_pmu, "pmuname_"), true);
476 TEST_ASSERT_EQUAL("Substring_", perf_pmu__match(&test_pmu, "pmuna"), false);
477
478 test_pmu.name = "pmuname_ab23";
479 TEST_ASSERT_EQUAL("Diff suffix hex_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
480 TEST_ASSERT_EQUAL("Sub suffix hex_", perf_pmu__match(&test_pmu, "pmuname_ab"), true);
481 TEST_ASSERT_EQUAL("Same suffix hex_", perf_pmu__match(&test_pmu, "pmuname_ab23"), true);
482 TEST_ASSERT_EQUAL("No suffix hex_", perf_pmu__match(&test_pmu, "pmuname"), true);
483 TEST_ASSERT_EQUAL("Underscore hex_", perf_pmu__match(&test_pmu, "pmuname_"), true);
484 TEST_ASSERT_EQUAL("Substring hex_", perf_pmu__match(&test_pmu, "pmuna"), false);
485
486 test_pmu.name = "pmuname10";
487 TEST_ASSERT_EQUAL("Diff suffix", perf_pmu__match(&test_pmu, "pmuname2"), false);
488 TEST_ASSERT_EQUAL("Sub suffix", perf_pmu__match(&test_pmu, "pmuname1"), true);
489 TEST_ASSERT_EQUAL("Same suffix", perf_pmu__match(&test_pmu, "pmuname10"), true);
490 TEST_ASSERT_EQUAL("No suffix", perf_pmu__match(&test_pmu, "pmuname"), true);
491 TEST_ASSERT_EQUAL("Underscore", perf_pmu__match(&test_pmu, "pmuname_"), false);
492 TEST_ASSERT_EQUAL("Substring", perf_pmu__match(&test_pmu, "pmuna"), false);
493
494 test_pmu.name = "pmunameab23";
495 TEST_ASSERT_EQUAL("Diff suffix hex", perf_pmu__match(&test_pmu, "pmuname2"), false);
496 TEST_ASSERT_EQUAL("Sub suffix hex", perf_pmu__match(&test_pmu, "pmunameab"), true);
497 TEST_ASSERT_EQUAL("Same suffix hex", perf_pmu__match(&test_pmu, "pmunameab23"), true);
498 TEST_ASSERT_EQUAL("No suffix hex", perf_pmu__match(&test_pmu, "pmuname"), true);
499 TEST_ASSERT_EQUAL("Underscore hex", perf_pmu__match(&test_pmu, "pmuname_"), false);
500 TEST_ASSERT_EQUAL("Substring hex", perf_pmu__match(&test_pmu, "pmuna"), false);
501
502 /*
503 * 2 hex chars or less are not considered suffixes so it shouldn't be
504 * possible to wildcard by skipping the suffix. Therefore there are more
505 * false results here than above.
506 */
507 test_pmu.name = "pmuname_a3";
508 TEST_ASSERT_EQUAL("Diff suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
509 /*
510 * This one should be false, but because pmuname_a3 ends in 3 which is
511 * decimal, it's not possible to determine if it's a short hex suffix or
512 * a normal decimal suffix following text. And we want to match on any
513 * length of decimal suffix. Run the test anyway and expect the wrong
514 * result. And slightly fuzzy matching shouldn't do too much harm.
515 */
516 TEST_ASSERT_EQUAL("Sub suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_a"), true);
517 TEST_ASSERT_EQUAL("Same suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_a3"), true);
518 TEST_ASSERT_EQUAL("No suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname"), false);
519 TEST_ASSERT_EQUAL("Underscore 2 hex_", perf_pmu__match(&test_pmu, "pmuname_"), false);
520 TEST_ASSERT_EQUAL("Substring 2 hex_", perf_pmu__match(&test_pmu, "pmuna"), false);
521
522 test_pmu.name = "pmuname_5";
523 TEST_ASSERT_EQUAL("Glob 1", perf_pmu__match(&test_pmu, "pmu*"), true);
524 TEST_ASSERT_EQUAL("Glob 2", perf_pmu__match(&test_pmu, "nomatch*"), false);
525 TEST_ASSERT_EQUAL("Seq 1", perf_pmu__match(&test_pmu, "pmuname_[12345]"), true);
526 TEST_ASSERT_EQUAL("Seq 2", perf_pmu__match(&test_pmu, "pmuname_[67890]"), false);
527 TEST_ASSERT_EQUAL("? 1", perf_pmu__match(&test_pmu, "pmuname_?"), true);
528 TEST_ASSERT_EQUAL("? 2", perf_pmu__match(&test_pmu, "pmuname_1?"), false);
529
530 return TEST_OK;
531}
532
533static struct test_case tests__pmu[] = {
534 TEST_CASE("Parsing with PMU format directory", pmu_format),
535 TEST_CASE("Parsing with PMU event", pmu_events),
536 TEST_CASE("PMU event names", pmu_event_names),
537 TEST_CASE("PMU name combining", name_len),
538 TEST_CASE("PMU name comparison", name_cmp),
539 TEST_CASE("PMU cmdline match", pmu_match),
540 { .name = NULL, }
541};
542
543struct test_suite suite__pmu = {
544 .desc = "Sysfs PMU tests",
545 .test_cases = tests__pmu,
546};