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Commit | Line | Data |
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d2709c7c | 1 | #include <linux/hw_breakpoint.h> |
8ad8db37 | 2 | #include "util.h" |
6b58e7f1 | 3 | #include "../perf.h" |
361c99a6 | 4 | #include "evlist.h" |
69aad6f1 | 5 | #include "evsel.h" |
8ad8db37 IM |
6 | #include "parse-options.h" |
7 | #include "parse-events.h" | |
8 | #include "exec_cmd.h" | |
42f60c2d | 9 | #include "string.h" |
5aab621b | 10 | #include "symbol.h" |
5beeded1 | 11 | #include "cache.h" |
8755a8f2 | 12 | #include "header.h" |
6e81c74c | 13 | #include "debug.h" |
553873e1 | 14 | #include <api/fs/debugfs.h> |
ac20de6f | 15 | #include "parse-events-bison.h" |
90e2b22d | 16 | #define YY_EXTRA_TYPE int |
89812fc8 | 17 | #include "parse-events-flex.h" |
5f537a26 | 18 | #include "pmu.h" |
b41f1cec | 19 | #include "thread_map.h" |
89812fc8 JO |
20 | |
21 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 22 | |
82ba1f2f JO |
23 | #ifdef PARSER_DEBUG |
24 | extern int parse_events_debug; | |
25 | #endif | |
ac20de6f | 26 | int parse_events_parse(void *data, void *scanner); |
bcd3279f | 27 | |
dcb4e102 KL |
28 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
29 | /* | |
30 | * The variable indicates the number of supported pmu event symbols. | |
31 | * 0 means not initialized and ready to init | |
32 | * -1 means failed to init, don't try anymore | |
33 | * >0 is the number of supported pmu event symbols | |
34 | */ | |
35 | static int perf_pmu_events_list_num; | |
36 | ||
705750f2 | 37 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
38 | [PERF_COUNT_HW_CPU_CYCLES] = { |
39 | .symbol = "cpu-cycles", | |
40 | .alias = "cycles", | |
41 | }, | |
42 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
43 | .symbol = "instructions", | |
44 | .alias = "", | |
45 | }, | |
46 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
47 | .symbol = "cache-references", | |
48 | .alias = "", | |
49 | }, | |
50 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
51 | .symbol = "cache-misses", | |
52 | .alias = "", | |
53 | }, | |
54 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
55 | .symbol = "branch-instructions", | |
56 | .alias = "branches", | |
57 | }, | |
58 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
59 | .symbol = "branch-misses", | |
60 | .alias = "", | |
61 | }, | |
62 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
63 | .symbol = "bus-cycles", | |
64 | .alias = "", | |
65 | }, | |
66 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
67 | .symbol = "stalled-cycles-frontend", | |
68 | .alias = "idle-cycles-frontend", | |
69 | }, | |
70 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
71 | .symbol = "stalled-cycles-backend", | |
72 | .alias = "idle-cycles-backend", | |
73 | }, | |
74 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
75 | .symbol = "ref-cycles", | |
76 | .alias = "", | |
77 | }, | |
78 | }; | |
79 | ||
705750f2 | 80 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
81 | [PERF_COUNT_SW_CPU_CLOCK] = { |
82 | .symbol = "cpu-clock", | |
83 | .alias = "", | |
84 | }, | |
85 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
86 | .symbol = "task-clock", | |
87 | .alias = "", | |
88 | }, | |
89 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
90 | .symbol = "page-faults", | |
91 | .alias = "faults", | |
92 | }, | |
93 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
94 | .symbol = "context-switches", | |
95 | .alias = "cs", | |
96 | }, | |
97 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
98 | .symbol = "cpu-migrations", | |
99 | .alias = "migrations", | |
100 | }, | |
101 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
102 | .symbol = "minor-faults", | |
103 | .alias = "", | |
104 | }, | |
105 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
106 | .symbol = "major-faults", | |
107 | .alias = "", | |
108 | }, | |
109 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
110 | .symbol = "alignment-faults", | |
111 | .alias = "", | |
112 | }, | |
113 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
114 | .symbol = "emulation-faults", | |
115 | .alias = "", | |
116 | }, | |
d22d1a2a AH |
117 | [PERF_COUNT_SW_DUMMY] = { |
118 | .symbol = "dummy", | |
119 | .alias = "", | |
120 | }, | |
8ad8db37 IM |
121 | }; |
122 | ||
cdd6c482 IM |
123 | #define __PERF_EVENT_FIELD(config, name) \ |
124 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 125 | |
1fc570ad | 126 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 127 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 128 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 129 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 130 | |
6b58e7f1 | 131 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 132 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 133 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
134 | (strcmp(sys_dirent.d_name, ".")) && \ |
135 | (strcmp(sys_dirent.d_name, ".."))) | |
136 | ||
ae07b63f PZ |
137 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
138 | { | |
139 | char evt_path[MAXPATHLEN]; | |
140 | int fd; | |
141 | ||
ebf294bf | 142 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
143 | sys_dir->d_name, evt_dir->d_name); |
144 | fd = open(evt_path, O_RDONLY); | |
145 | if (fd < 0) | |
146 | return -EINVAL; | |
147 | close(fd); | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
6b58e7f1 | 152 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 153 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 154 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 155 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
156 | (strcmp(evt_dirent.d_name, "..")) && \ |
157 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 158 | |
270bbbe8 | 159 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 160 | |
f6bdafef | 161 | |
1ef2ed10 | 162 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 163 | { |
1ef2ed10 | 164 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
165 | DIR *sys_dir, *evt_dir; |
166 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 167 | char id_buf[24]; |
725b1368 | 168 | int fd; |
f6bdafef JB |
169 | u64 id; |
170 | char evt_path[MAXPATHLEN]; | |
725b1368 | 171 | char dir_path[MAXPATHLEN]; |
f6bdafef | 172 | |
ebf294bf | 173 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 174 | if (!sys_dir) |
725b1368 | 175 | return NULL; |
6b58e7f1 UD |
176 | |
177 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 178 | |
ebf294bf | 179 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
180 | sys_dirent.d_name); |
181 | evt_dir = opendir(dir_path); | |
182 | if (!evt_dir) | |
6b58e7f1 | 183 | continue; |
725b1368 | 184 | |
6b58e7f1 | 185 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
186 | |
187 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 188 | evt_dirent.d_name); |
725b1368 | 189 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
190 | if (fd < 0) |
191 | continue; | |
192 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
193 | close(fd); | |
194 | continue; | |
195 | } | |
196 | close(fd); | |
197 | id = atoll(id_buf); | |
198 | if (id == config) { | |
199 | closedir(evt_dir); | |
200 | closedir(sys_dir); | |
59b4caeb | 201 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
202 | path->system = malloc(MAX_EVENT_LENGTH); |
203 | if (!path->system) { | |
204 | free(path); | |
205 | return NULL; | |
206 | } | |
207 | path->name = malloc(MAX_EVENT_LENGTH); | |
208 | if (!path->name) { | |
74cf249d | 209 | zfree(&path->system); |
1ef2ed10 FW |
210 | free(path); |
211 | return NULL; | |
212 | } | |
213 | strncpy(path->system, sys_dirent.d_name, | |
214 | MAX_EVENT_LENGTH); | |
215 | strncpy(path->name, evt_dirent.d_name, | |
216 | MAX_EVENT_LENGTH); | |
217 | return path; | |
f6bdafef JB |
218 | } |
219 | } | |
220 | closedir(evt_dir); | |
221 | } | |
222 | ||
f6bdafef | 223 | closedir(sys_dir); |
1ef2ed10 FW |
224 | return NULL; |
225 | } | |
226 | ||
e7c93f09 NK |
227 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
228 | { | |
229 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
230 | char *str = strchr(name, ':'); | |
231 | ||
232 | if (path == NULL || str == NULL) { | |
233 | free(path); | |
234 | return NULL; | |
235 | } | |
236 | ||
237 | path->system = strndup(name, str - name); | |
238 | path->name = strdup(str+1); | |
239 | ||
240 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
241 | zfree(&path->system); |
242 | zfree(&path->name); | |
e7c93f09 NK |
243 | free(path); |
244 | path = NULL; | |
245 | } | |
246 | ||
247 | return path; | |
248 | } | |
249 | ||
1424dc96 DA |
250 | const char *event_type(int type) |
251 | { | |
252 | switch (type) { | |
253 | case PERF_TYPE_HARDWARE: | |
254 | return "hardware"; | |
255 | ||
256 | case PERF_TYPE_SOFTWARE: | |
257 | return "software"; | |
258 | ||
259 | case PERF_TYPE_TRACEPOINT: | |
260 | return "tracepoint"; | |
261 | ||
262 | case PERF_TYPE_HW_CACHE: | |
263 | return "hardware-cache"; | |
264 | ||
265 | default: | |
266 | break; | |
267 | } | |
268 | ||
269 | return "unknown"; | |
270 | } | |
271 | ||
7ae92e74 YZ |
272 | |
273 | ||
410136f5 SE |
274 | static struct perf_evsel * |
275 | __add_event(struct list_head *list, int *idx, | |
276 | struct perf_event_attr *attr, | |
277 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
278 | { |
279 | struct perf_evsel *evsel; | |
280 | ||
281 | event_attr_init(attr); | |
282 | ||
ef503831 | 283 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 284 | if (!evsel) |
410136f5 | 285 | return NULL; |
89812fc8 | 286 | |
7ae92e74 | 287 | evsel->cpus = cpus; |
9db1763c ACM |
288 | if (name) |
289 | evsel->name = strdup(name); | |
b847cbdc | 290 | list_add_tail(&evsel->node, list); |
410136f5 | 291 | return evsel; |
89812fc8 JO |
292 | } |
293 | ||
c5cd8ac0 | 294 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
295 | struct perf_event_attr *attr, char *name) |
296 | { | |
410136f5 | 297 | return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
7ae92e74 YZ |
298 | } |
299 | ||
0b668bc9 | 300 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
301 | { |
302 | int i, j; | |
61c45981 | 303 | int n, longest = -1; |
8326f44d IM |
304 | |
305 | for (i = 0; i < size; i++) { | |
0b668bc9 | 306 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 307 | n = strlen(names[i][j]); |
89812fc8 | 308 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
309 | longest = n; |
310 | } | |
89812fc8 | 311 | if (longest > 0) |
61c45981 | 312 | return i; |
8326f44d IM |
313 | } |
314 | ||
8953645f | 315 | return -1; |
8326f44d IM |
316 | } |
317 | ||
c5cd8ac0 | 318 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 319 | char *type, char *op_result1, char *op_result2) |
8326f44d | 320 | { |
89812fc8 JO |
321 | struct perf_event_attr attr; |
322 | char name[MAX_NAME_LEN]; | |
61c45981 | 323 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
324 | char *op_result[2] = { op_result1, op_result2 }; |
325 | int i, n; | |
8326f44d | 326 | |
8326f44d IM |
327 | /* |
328 | * No fallback - if we cannot get a clear cache type | |
329 | * then bail out: | |
330 | */ | |
0b668bc9 | 331 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 332 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 333 | if (cache_type == -1) |
89812fc8 JO |
334 | return -EINVAL; |
335 | ||
336 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 337 | |
89812fc8 JO |
338 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
339 | char *str = op_result[i]; | |
340 | ||
275ef387 | 341 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
342 | |
343 | if (cache_op == -1) { | |
0b668bc9 | 344 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 345 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 346 | if (cache_op >= 0) { |
0b668bc9 | 347 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 348 | return -EINVAL; |
61c45981 PM |
349 | continue; |
350 | } | |
351 | } | |
352 | ||
353 | if (cache_result == -1) { | |
0b668bc9 ACM |
354 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
355 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
356 | if (cache_result >= 0) |
357 | continue; | |
358 | } | |
61c45981 | 359 | } |
8326f44d | 360 | |
8326f44d IM |
361 | /* |
362 | * Fall back to reads: | |
363 | */ | |
8953645f IM |
364 | if (cache_op == -1) |
365 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 366 | |
8326f44d IM |
367 | /* |
368 | * Fall back to accesses: | |
369 | */ | |
370 | if (cache_result == -1) | |
371 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
372 | ||
89812fc8 JO |
373 | memset(&attr, 0, sizeof(attr)); |
374 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
375 | attr.type = PERF_TYPE_HW_CACHE; | |
376 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
377 | } |
378 | ||
c5cd8ac0 | 379 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 380 | char *sys_name, char *evt_name) |
bcd3279f | 381 | { |
82fe1c29 | 382 | struct perf_evsel *evsel; |
bcd3279f | 383 | |
ef503831 | 384 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 385 | if (!evsel) |
82fe1c29 | 386 | return -ENOMEM; |
bcd3279f | 387 | |
82fe1c29 | 388 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 389 | |
82fe1c29 | 390 | return 0; |
8326f44d IM |
391 | } |
392 | ||
c5cd8ac0 | 393 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 394 | char *sys_name, char *evt_name) |
bcd3279f FW |
395 | { |
396 | char evt_path[MAXPATHLEN]; | |
397 | struct dirent *evt_ent; | |
398 | DIR *evt_dir; | |
89812fc8 | 399 | int ret = 0; |
bcd3279f | 400 | |
ebf294bf | 401 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 402 | evt_dir = opendir(evt_path); |
bcd3279f FW |
403 | if (!evt_dir) { |
404 | perror("Can't open event dir"); | |
89812fc8 | 405 | return -1; |
bcd3279f FW |
406 | } |
407 | ||
89812fc8 | 408 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
409 | if (!strcmp(evt_ent->d_name, ".") |
410 | || !strcmp(evt_ent->d_name, "..") | |
411 | || !strcmp(evt_ent->d_name, "enable") | |
412 | || !strcmp(evt_ent->d_name, "filter")) | |
413 | continue; | |
414 | ||
89812fc8 | 415 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
416 | continue; |
417 | ||
89812fc8 | 418 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
419 | } |
420 | ||
0bd3f084 | 421 | closedir(evt_dir); |
89812fc8 | 422 | return ret; |
bcd3279f FW |
423 | } |
424 | ||
c5cd8ac0 | 425 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
426 | char *sys_name, char *evt_name) |
427 | { | |
428 | return strpbrk(evt_name, "*?") ? | |
429 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
430 | add_tracepoint(list, idx, sys_name, evt_name); | |
431 | } | |
432 | ||
c5cd8ac0 | 433 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
434 | char *sys_name, char *evt_name) |
435 | { | |
436 | struct dirent *events_ent; | |
437 | DIR *events_dir; | |
438 | int ret = 0; | |
439 | ||
440 | events_dir = opendir(tracing_events_path); | |
441 | if (!events_dir) { | |
442 | perror("Can't open event dir"); | |
443 | return -1; | |
444 | } | |
445 | ||
446 | while (!ret && (events_ent = readdir(events_dir))) { | |
447 | if (!strcmp(events_ent->d_name, ".") | |
448 | || !strcmp(events_ent->d_name, "..") | |
449 | || !strcmp(events_ent->d_name, "enable") | |
450 | || !strcmp(events_ent->d_name, "header_event") | |
451 | || !strcmp(events_ent->d_name, "header_page")) | |
452 | continue; | |
453 | ||
454 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
455 | continue; | |
456 | ||
457 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
458 | evt_name); | |
459 | } | |
460 | ||
461 | closedir(events_dir); | |
462 | return ret; | |
463 | } | |
464 | ||
c5cd8ac0 | 465 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 466 | char *sys, char *event) |
f6bdafef | 467 | { |
f35488f9 JO |
468 | if (strpbrk(sys, "*?")) |
469 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
470 | else | |
471 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
472 | } |
473 | ||
89812fc8 JO |
474 | static int |
475 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
476 | { |
477 | int i; | |
478 | ||
479 | for (i = 0; i < 3; i++) { | |
89812fc8 | 480 | if (!type || !type[i]) |
1b290d67 FW |
481 | break; |
482 | ||
7582732f JO |
483 | #define CHECK_SET_TYPE(bit) \ |
484 | do { \ | |
485 | if (attr->bp_type & bit) \ | |
486 | return -EINVAL; \ | |
487 | else \ | |
488 | attr->bp_type |= bit; \ | |
489 | } while (0) | |
490 | ||
1b290d67 FW |
491 | switch (type[i]) { |
492 | case 'r': | |
7582732f | 493 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
494 | break; |
495 | case 'w': | |
7582732f | 496 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
497 | break; |
498 | case 'x': | |
7582732f | 499 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
500 | break; |
501 | default: | |
89812fc8 | 502 | return -EINVAL; |
1b290d67 FW |
503 | } |
504 | } | |
89812fc8 | 505 | |
7582732f JO |
506 | #undef CHECK_SET_TYPE |
507 | ||
1b290d67 FW |
508 | if (!attr->bp_type) /* Default */ |
509 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
510 | ||
89812fc8 | 511 | return 0; |
1b290d67 FW |
512 | } |
513 | ||
c5cd8ac0 | 514 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 515 | void *ptr, char *type, u64 len) |
1b290d67 | 516 | { |
89812fc8 | 517 | struct perf_event_attr attr; |
1b290d67 | 518 | |
89812fc8 | 519 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 520 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 521 | |
89812fc8 JO |
522 | if (parse_breakpoint_type(type, &attr)) |
523 | return -EINVAL; | |
1b290d67 | 524 | |
3741eb9f JS |
525 | /* Provide some defaults if len is not specified */ |
526 | if (!len) { | |
527 | if (attr.bp_type == HW_BREAKPOINT_X) | |
528 | len = sizeof(long); | |
529 | else | |
530 | len = HW_BREAKPOINT_LEN_4; | |
531 | } | |
532 | ||
533 | attr.bp_len = len; | |
61c45981 | 534 | |
89812fc8 | 535 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 536 | attr.sample_period = 1; |
b908debd | 537 | |
287e74aa | 538 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
539 | } |
540 | ||
8f707d84 | 541 | static int config_term(struct perf_event_attr *attr, |
6cee6cd3 | 542 | struct parse_events_term *term) |
8f707d84 | 543 | { |
16fa7e82 JO |
544 | #define CHECK_TYPE_VAL(type) \ |
545 | do { \ | |
546 | if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \ | |
547 | return -EINVAL; \ | |
548 | } while (0) | |
549 | ||
550 | switch (term->type_term) { | |
8f707d84 | 551 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 552 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
553 | attr->config = term->val.num; |
554 | break; | |
555 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 556 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
557 | attr->config1 = term->val.num; |
558 | break; | |
559 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 560 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
561 | attr->config2 = term->val.num; |
562 | break; | |
563 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 564 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
565 | attr->sample_period = term->val.num; |
566 | break; | |
567 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
568 | /* | |
569 | * TODO uncomment when the field is available | |
570 | * attr->branch_sample_type = term->val.num; | |
571 | */ | |
572 | break; | |
6b5fc39b JO |
573 | case PARSE_EVENTS__TERM_TYPE_NAME: |
574 | CHECK_TYPE_VAL(STR); | |
575 | break; | |
8f707d84 JO |
576 | default: |
577 | return -EINVAL; | |
578 | } | |
16fa7e82 | 579 | |
8f707d84 | 580 | return 0; |
16fa7e82 | 581 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
582 | } |
583 | ||
584 | static int config_attr(struct perf_event_attr *attr, | |
585 | struct list_head *head, int fail) | |
586 | { | |
6cee6cd3 | 587 | struct parse_events_term *term; |
8f707d84 JO |
588 | |
589 | list_for_each_entry(term, head, list) | |
590 | if (config_term(attr, term) && fail) | |
591 | return -EINVAL; | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
c5cd8ac0 | 596 | int parse_events_add_numeric(struct list_head *list, int *idx, |
b527bab5 | 597 | u32 type, u64 config, |
8f707d84 | 598 | struct list_head *head_config) |
8ad8db37 | 599 | { |
89812fc8 | 600 | struct perf_event_attr attr; |
61c45981 | 601 | |
89812fc8 JO |
602 | memset(&attr, 0, sizeof(attr)); |
603 | attr.type = type; | |
604 | attr.config = config; | |
8f707d84 JO |
605 | |
606 | if (head_config && | |
607 | config_attr(&attr, head_config, 1)) | |
608 | return -EINVAL; | |
609 | ||
9db1763c | 610 | return add_event(list, idx, &attr, NULL); |
61c45981 | 611 | } |
8ad8db37 | 612 | |
6cee6cd3 | 613 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
614 | { |
615 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
616 | } | |
617 | ||
9db1763c | 618 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 619 | { |
6cee6cd3 | 620 | struct parse_events_term *term; |
6b5fc39b JO |
621 | |
622 | list_for_each_entry(term, head_terms, list) | |
623 | if (parse_events__is_name_term(term)) | |
624 | return term->val.str; | |
625 | ||
9db1763c | 626 | return NULL; |
6b5fc39b JO |
627 | } |
628 | ||
c5cd8ac0 | 629 | int parse_events_add_pmu(struct list_head *list, int *idx, |
5f537a26 JO |
630 | char *name, struct list_head *head_config) |
631 | { | |
632 | struct perf_event_attr attr; | |
46441bdc | 633 | struct perf_pmu_info info; |
5f537a26 | 634 | struct perf_pmu *pmu; |
410136f5 | 635 | struct perf_evsel *evsel; |
5f537a26 JO |
636 | |
637 | pmu = perf_pmu__find(name); | |
638 | if (!pmu) | |
639 | return -EINVAL; | |
640 | ||
dc0a6202 AH |
641 | if (pmu->default_config) { |
642 | memcpy(&attr, pmu->default_config, | |
643 | sizeof(struct perf_event_attr)); | |
644 | } else { | |
645 | memset(&attr, 0, sizeof(attr)); | |
646 | } | |
5f537a26 | 647 | |
ad962273 AH |
648 | if (!head_config) { |
649 | attr.type = pmu->type; | |
650 | evsel = __add_event(list, idx, &attr, NULL, pmu->cpus); | |
651 | return evsel ? 0 : -ENOMEM; | |
652 | } | |
653 | ||
46441bdc | 654 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
655 | return -EINVAL; |
656 | ||
5f537a26 JO |
657 | /* |
658 | * Configure hardcoded terms first, no need to check | |
659 | * return value when called with fail == 0 ;) | |
660 | */ | |
661 | config_attr(&attr, head_config, 0); | |
662 | ||
663 | if (perf_pmu__config(pmu, &attr, head_config)) | |
664 | return -EINVAL; | |
665 | ||
410136f5 SE |
666 | evsel = __add_event(list, idx, &attr, pmu_event_name(head_config), |
667 | pmu->cpus); | |
668 | if (evsel) { | |
46441bdc MF |
669 | evsel->unit = info.unit; |
670 | evsel->scale = info.scale; | |
044330c1 | 671 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 672 | evsel->snapshot = info.snapshot; |
410136f5 SE |
673 | } |
674 | ||
675 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
676 | } |
677 | ||
6a4bb04c JO |
678 | int parse_events__modifier_group(struct list_head *list, |
679 | char *event_mod) | |
89efb029 | 680 | { |
6a4bb04c JO |
681 | return parse_events__modifier_event(list, event_mod, true); |
682 | } | |
683 | ||
63dab225 | 684 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
685 | { |
686 | struct perf_evsel *leader; | |
687 | ||
63dab225 ACM |
688 | __perf_evlist__set_leader(list); |
689 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 690 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
691 | } |
692 | ||
c5cd8ac0 | 693 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
694 | void parse_events_update_lists(struct list_head *list_event, |
695 | struct list_head *list_all) | |
696 | { | |
697 | /* | |
698 | * Called for single event definition. Update the | |
89efb029 | 699 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
700 | * list, for next event definition. |
701 | */ | |
702 | list_splice_tail(list_event, list_all); | |
b847cbdc | 703 | free(list_event); |
5d7be90e JO |
704 | } |
705 | ||
f5b1135b JO |
706 | struct event_modifier { |
707 | int eu; | |
708 | int ek; | |
709 | int eh; | |
710 | int eH; | |
711 | int eG; | |
a1e12da4 | 712 | int eI; |
f5b1135b JO |
713 | int precise; |
714 | int exclude_GH; | |
3c176311 | 715 | int sample_read; |
e9a7c414 | 716 | int pinned; |
f5b1135b JO |
717 | }; |
718 | ||
719 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
720 | struct perf_evsel *evsel) | |
61c45981 | 721 | { |
f5b1135b JO |
722 | int eu = evsel ? evsel->attr.exclude_user : 0; |
723 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
724 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
725 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
726 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 727 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 728 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 729 | int sample_read = 0; |
e9a7c414 | 730 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 731 | |
f5b1135b JO |
732 | int exclude = eu | ek | eh; |
733 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
734 | ||
f5b1135b | 735 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 736 | |
61c45981 | 737 | while (*str) { |
ab608344 PZ |
738 | if (*str == 'u') { |
739 | if (!exclude) | |
740 | exclude = eu = ek = eh = 1; | |
61c45981 | 741 | eu = 0; |
ab608344 PZ |
742 | } else if (*str == 'k') { |
743 | if (!exclude) | |
744 | exclude = eu = ek = eh = 1; | |
61c45981 | 745 | ek = 0; |
ab608344 PZ |
746 | } else if (*str == 'h') { |
747 | if (!exclude) | |
748 | exclude = eu = ek = eh = 1; | |
61c45981 | 749 | eh = 0; |
99320cc8 JR |
750 | } else if (*str == 'G') { |
751 | if (!exclude_GH) | |
752 | exclude_GH = eG = eH = 1; | |
753 | eG = 0; | |
754 | } else if (*str == 'H') { | |
755 | if (!exclude_GH) | |
756 | exclude_GH = eG = eH = 1; | |
757 | eH = 0; | |
a1e12da4 JO |
758 | } else if (*str == 'I') { |
759 | eI = 1; | |
ab608344 PZ |
760 | } else if (*str == 'p') { |
761 | precise++; | |
1342798c DA |
762 | /* use of precise requires exclude_guest */ |
763 | if (!exclude_GH) | |
764 | eG = 1; | |
3c176311 JO |
765 | } else if (*str == 'S') { |
766 | sample_read = 1; | |
e9a7c414 ME |
767 | } else if (*str == 'D') { |
768 | pinned = 1; | |
ab608344 | 769 | } else |
61c45981 | 770 | break; |
ab608344 | 771 | |
61c45981 | 772 | ++str; |
5242519b | 773 | } |
ceb53fbf | 774 | |
89812fc8 JO |
775 | /* |
776 | * precise ip: | |
777 | * | |
778 | * 0 - SAMPLE_IP can have arbitrary skid | |
779 | * 1 - SAMPLE_IP must have constant skid | |
780 | * 2 - SAMPLE_IP requested to have 0 skid | |
781 | * 3 - SAMPLE_IP must have 0 skid | |
782 | * | |
783 | * See also PERF_RECORD_MISC_EXACT_IP | |
784 | */ | |
785 | if (precise > 3) | |
786 | return -EINVAL; | |
ceb53fbf | 787 | |
f5b1135b JO |
788 | mod->eu = eu; |
789 | mod->ek = ek; | |
790 | mod->eh = eh; | |
791 | mod->eH = eH; | |
792 | mod->eG = eG; | |
a1e12da4 | 793 | mod->eI = eI; |
f5b1135b JO |
794 | mod->precise = precise; |
795 | mod->exclude_GH = exclude_GH; | |
3c176311 | 796 | mod->sample_read = sample_read; |
e9a7c414 ME |
797 | mod->pinned = pinned; |
798 | ||
f5b1135b JO |
799 | return 0; |
800 | } | |
801 | ||
534123f4 JO |
802 | /* |
803 | * Basic modifier sanity check to validate it contains only one | |
804 | * instance of any modifier (apart from 'p') present. | |
805 | */ | |
806 | static int check_modifier(char *str) | |
807 | { | |
808 | char *p = str; | |
809 | ||
810 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 811 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
812 | return -1; |
813 | ||
814 | while (*p) { | |
815 | if (*p != 'p' && strchr(p + 1, *p)) | |
816 | return -1; | |
817 | p++; | |
818 | } | |
819 | ||
820 | return 0; | |
821 | } | |
822 | ||
f5b1135b JO |
823 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
824 | { | |
825 | struct perf_evsel *evsel; | |
826 | struct event_modifier mod; | |
827 | ||
828 | if (str == NULL) | |
829 | return 0; | |
830 | ||
534123f4 JO |
831 | if (check_modifier(str)) |
832 | return -EINVAL; | |
833 | ||
f5b1135b JO |
834 | if (!add && get_event_modifier(&mod, str, NULL)) |
835 | return -EINVAL; | |
836 | ||
0050f7aa | 837 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
838 | if (add && get_event_modifier(&mod, str, evsel)) |
839 | return -EINVAL; | |
840 | ||
841 | evsel->attr.exclude_user = mod.eu; | |
842 | evsel->attr.exclude_kernel = mod.ek; | |
843 | evsel->attr.exclude_hv = mod.eh; | |
844 | evsel->attr.precise_ip = mod.precise; | |
845 | evsel->attr.exclude_host = mod.eH; | |
846 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 847 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 848 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 849 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
850 | |
851 | if (perf_evsel__is_group_leader(evsel)) | |
852 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 853 | } |
ceb53fbf | 854 | |
61c45981 PM |
855 | return 0; |
856 | } | |
8ad8db37 | 857 | |
ac2ba9f3 RR |
858 | int parse_events_name(struct list_head *list, char *name) |
859 | { | |
860 | struct perf_evsel *evsel; | |
861 | ||
0050f7aa | 862 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
863 | if (!evsel->name) |
864 | evsel->name = strdup(name); | |
865 | } | |
866 | ||
867 | return 0; | |
868 | } | |
869 | ||
dcb4e102 KL |
870 | static int |
871 | comp_pmu(const void *p1, const void *p2) | |
872 | { | |
873 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
874 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
875 | ||
876 | return strcmp(pmu1->symbol, pmu2->symbol); | |
877 | } | |
878 | ||
879 | static void perf_pmu__parse_cleanup(void) | |
880 | { | |
881 | if (perf_pmu_events_list_num > 0) { | |
882 | struct perf_pmu_event_symbol *p; | |
883 | int i; | |
884 | ||
885 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
886 | p = perf_pmu_events_list + i; | |
887 | free(p->symbol); | |
888 | } | |
889 | free(perf_pmu_events_list); | |
890 | perf_pmu_events_list = NULL; | |
891 | perf_pmu_events_list_num = 0; | |
892 | } | |
893 | } | |
894 | ||
895 | #define SET_SYMBOL(str, stype) \ | |
896 | do { \ | |
897 | p->symbol = str; \ | |
898 | if (!p->symbol) \ | |
899 | goto err; \ | |
900 | p->type = stype; \ | |
901 | } while (0) | |
902 | ||
903 | /* | |
904 | * Read the pmu events list from sysfs | |
905 | * Save it into perf_pmu_events_list | |
906 | */ | |
907 | static void perf_pmu__parse_init(void) | |
908 | { | |
909 | ||
910 | struct perf_pmu *pmu = NULL; | |
911 | struct perf_pmu_alias *alias; | |
912 | int len = 0; | |
913 | ||
914 | pmu = perf_pmu__find("cpu"); | |
915 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
916 | perf_pmu_events_list_num = -1; | |
917 | return; | |
918 | } | |
919 | list_for_each_entry(alias, &pmu->aliases, list) { | |
920 | if (strchr(alias->name, '-')) | |
921 | len++; | |
922 | len++; | |
923 | } | |
924 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
925 | if (!perf_pmu_events_list) | |
926 | return; | |
927 | perf_pmu_events_list_num = len; | |
928 | ||
929 | len = 0; | |
930 | list_for_each_entry(alias, &pmu->aliases, list) { | |
931 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
932 | char *tmp = strchr(alias->name, '-'); | |
933 | ||
934 | if (tmp != NULL) { | |
935 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
936 | PMU_EVENT_SYMBOL_PREFIX); | |
937 | p++; | |
938 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
939 | len += 2; | |
940 | } else { | |
941 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
942 | len++; | |
943 | } | |
944 | } | |
945 | qsort(perf_pmu_events_list, len, | |
946 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
947 | ||
948 | return; | |
949 | err: | |
950 | perf_pmu__parse_cleanup(); | |
951 | } | |
952 | ||
953 | enum perf_pmu_event_symbol_type | |
954 | perf_pmu__parse_check(const char *name) | |
955 | { | |
956 | struct perf_pmu_event_symbol p, *r; | |
957 | ||
958 | /* scan kernel pmu events from sysfs if needed */ | |
959 | if (perf_pmu_events_list_num == 0) | |
960 | perf_pmu__parse_init(); | |
961 | /* | |
962 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
963 | * cpu-cycles has been handled by hardcode. | |
964 | * So it must be cpu// events, not kernel pmu event. | |
965 | */ | |
966 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
967 | return PMU_EVENT_SYMBOL_ERR; | |
968 | ||
969 | p.symbol = strdup(name); | |
970 | r = bsearch(&p, perf_pmu_events_list, | |
971 | (size_t) perf_pmu_events_list_num, | |
972 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
973 | free(p.symbol); | |
974 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
975 | } | |
976 | ||
90e2b22d | 977 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 978 | { |
89812fc8 | 979 | YY_BUFFER_STATE buffer; |
ac20de6f | 980 | void *scanner; |
46010ab2 | 981 | int ret; |
bcd3279f | 982 | |
90e2b22d | 983 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
984 | if (ret) |
985 | return ret; | |
986 | ||
987 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 988 | |
82ba1f2f JO |
989 | #ifdef PARSER_DEBUG |
990 | parse_events_debug = 1; | |
991 | #endif | |
ac20de6f ZY |
992 | ret = parse_events_parse(data, scanner); |
993 | ||
994 | parse_events__flush_buffer(buffer, scanner); | |
995 | parse_events__delete_buffer(buffer, scanner); | |
996 | parse_events_lex_destroy(scanner); | |
997 | return ret; | |
998 | } | |
bcd3279f | 999 | |
90e2b22d JO |
1000 | /* |
1001 | * parse event config string, return a list of event terms. | |
1002 | */ | |
1003 | int parse_events_terms(struct list_head *terms, const char *str) | |
1004 | { | |
23b6339b | 1005 | struct parse_events_terms data = { |
90e2b22d JO |
1006 | .terms = NULL, |
1007 | }; | |
1008 | int ret; | |
1009 | ||
1010 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1011 | if (!ret) { | |
1012 | list_splice(data.terms, terms); | |
74cf249d | 1013 | zfree(&data.terms); |
90e2b22d JO |
1014 | return 0; |
1015 | } | |
1016 | ||
b2c34fde AH |
1017 | if (data.terms) |
1018 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1019 | return ret; |
1020 | } | |
1021 | ||
d8f7bbc9 | 1022 | int parse_events(struct perf_evlist *evlist, const char *str) |
ac20de6f | 1023 | { |
23b6339b | 1024 | struct parse_events_evlist data = { |
ac20de6f ZY |
1025 | .list = LIST_HEAD_INIT(data.list), |
1026 | .idx = evlist->nr_entries, | |
1027 | }; | |
1028 | int ret; | |
bcd3279f | 1029 | |
90e2b22d | 1030 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1031 | perf_pmu__parse_cleanup(); |
89812fc8 | 1032 | if (!ret) { |
46010ab2 JO |
1033 | int entries = data.idx - evlist->nr_entries; |
1034 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 1035 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
1036 | return 0; |
1037 | } | |
bcd3279f | 1038 | |
5d7be90e JO |
1039 | /* |
1040 | * There are 2 users - builtin-record and builtin-test objects. | |
1041 | * Both call perf_evlist__delete in case of error, so we dont | |
1042 | * need to bother. | |
1043 | */ | |
bcd3279f | 1044 | return ret; |
8ad8db37 IM |
1045 | } |
1046 | ||
f120f9d5 | 1047 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1048 | int unset __maybe_unused) |
f120f9d5 JO |
1049 | { |
1050 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
d8f7bbc9 | 1051 | int ret = parse_events(evlist, str); |
9175ce1f AK |
1052 | |
1053 | if (ret) { | |
1054 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); | |
1055 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1056 | } | |
1057 | return ret; | |
f120f9d5 JO |
1058 | } |
1059 | ||
361c99a6 | 1060 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 1061 | int unset __maybe_unused) |
c171b552 | 1062 | { |
361c99a6 | 1063 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 1064 | struct perf_evsel *last = NULL; |
c171b552 | 1065 | |
361c99a6 | 1066 | if (evlist->nr_entries > 0) |
0c21f736 | 1067 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
1068 | |
1069 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 | 1070 | fprintf(stderr, |
281f92f2 | 1071 | "--filter option should follow a -e tracepoint option\n"); |
c171b552 LZ |
1072 | return -1; |
1073 | } | |
1074 | ||
69aad6f1 ACM |
1075 | last->filter = strdup(str); |
1076 | if (last->filter == NULL) { | |
c171b552 LZ |
1077 | fprintf(stderr, "not enough memory to hold filter string\n"); |
1078 | return -1; | |
1079 | } | |
c171b552 LZ |
1080 | |
1081 | return 0; | |
1082 | } | |
1083 | ||
86847b62 | 1084 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1085 | "Hardware event", |
1086 | "Software event", | |
1087 | "Tracepoint event", | |
1088 | "Hardware cache event", | |
41bdcb23 LW |
1089 | "Raw hardware event descriptor", |
1090 | "Hardware breakpoint", | |
86847b62 TG |
1091 | }; |
1092 | ||
ab0e4800 YS |
1093 | static int cmp_string(const void *a, const void *b) |
1094 | { | |
1095 | const char * const *as = a; | |
1096 | const char * const *bs = b; | |
1097 | ||
1098 | return strcmp(*as, *bs); | |
1099 | } | |
1100 | ||
f6bdafef JB |
1101 | /* |
1102 | * Print the events from <debugfs_mount_point>/tracing/events | |
1103 | */ | |
1104 | ||
a3277d2d FW |
1105 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1106 | bool name_only) | |
f6bdafef JB |
1107 | { |
1108 | DIR *sys_dir, *evt_dir; | |
1109 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1110 | char evt_path[MAXPATHLEN]; |
725b1368 | 1111 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1112 | char **evt_list = NULL; |
1113 | unsigned int evt_i = 0, evt_num = 0; | |
1114 | bool evt_num_known = false; | |
f6bdafef | 1115 | |
ab0e4800 | 1116 | restart: |
ebf294bf | 1117 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1118 | if (!sys_dir) |
725b1368 | 1119 | return; |
6b58e7f1 | 1120 | |
ab0e4800 YS |
1121 | if (evt_num_known) { |
1122 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1123 | if (!evt_list) | |
1124 | goto out_close_sys_dir; | |
1125 | } | |
1126 | ||
6b58e7f1 | 1127 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1128 | if (subsys_glob != NULL && |
668b8788 ACM |
1129 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1130 | continue; | |
725b1368 | 1131 | |
ebf294bf | 1132 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1133 | sys_dirent.d_name); |
1134 | evt_dir = opendir(dir_path); | |
1135 | if (!evt_dir) | |
6b58e7f1 | 1136 | continue; |
725b1368 | 1137 | |
6b58e7f1 | 1138 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1139 | if (event_glob != NULL && |
668b8788 ACM |
1140 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1141 | continue; | |
1142 | ||
ab0e4800 YS |
1143 | if (!evt_num_known) { |
1144 | evt_num++; | |
a3277d2d FW |
1145 | continue; |
1146 | } | |
1147 | ||
f6bdafef JB |
1148 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1149 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1150 | |
1151 | evt_list[evt_i] = strdup(evt_path); | |
1152 | if (evt_list[evt_i] == NULL) | |
1153 | goto out_close_evt_dir; | |
1154 | evt_i++; | |
f6bdafef JB |
1155 | } |
1156 | closedir(evt_dir); | |
1157 | } | |
f6bdafef | 1158 | closedir(sys_dir); |
ab0e4800 YS |
1159 | |
1160 | if (!evt_num_known) { | |
1161 | evt_num_known = true; | |
1162 | goto restart; | |
1163 | } | |
1164 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1165 | evt_i = 0; | |
1166 | while (evt_i < evt_num) { | |
1167 | if (name_only) { | |
1168 | printf("%s ", evt_list[evt_i++]); | |
1169 | continue; | |
1170 | } | |
1171 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1172 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1173 | } | |
1174 | if (evt_num) | |
1175 | printf("\n"); | |
1176 | ||
1177 | out_free: | |
1178 | evt_num = evt_i; | |
1179 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1180 | zfree(&evt_list[evt_i]); | |
1181 | zfree(&evt_list); | |
1182 | return; | |
1183 | ||
1184 | out_close_evt_dir: | |
1185 | closedir(evt_dir); | |
1186 | out_close_sys_dir: | |
1187 | closedir(sys_dir); | |
1188 | ||
1189 | printf("FATAL: not enough memory to print %s\n", | |
1190 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1191 | if (evt_list) | |
1192 | goto out_free; | |
f6bdafef JB |
1193 | } |
1194 | ||
20c457b8 TR |
1195 | /* |
1196 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1197 | */ | |
1198 | ||
1199 | int is_valid_tracepoint(const char *event_string) | |
1200 | { | |
1201 | DIR *sys_dir, *evt_dir; | |
1202 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1203 | char evt_path[MAXPATHLEN]; | |
1204 | char dir_path[MAXPATHLEN]; | |
1205 | ||
ebf294bf | 1206 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1207 | if (!sys_dir) |
1208 | return 0; | |
1209 | ||
1210 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1211 | ||
ebf294bf | 1212 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1213 | sys_dirent.d_name); |
1214 | evt_dir = opendir(dir_path); | |
1215 | if (!evt_dir) | |
1216 | continue; | |
1217 | ||
1218 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1219 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1220 | sys_dirent.d_name, evt_dirent.d_name); | |
1221 | if (!strcmp(evt_path, event_string)) { | |
1222 | closedir(evt_dir); | |
1223 | closedir(sys_dir); | |
1224 | return 1; | |
1225 | } | |
1226 | } | |
1227 | closedir(evt_dir); | |
1228 | } | |
1229 | closedir(sys_dir); | |
1230 | return 0; | |
1231 | } | |
1232 | ||
b41f1cec NK |
1233 | static bool is_event_supported(u8 type, unsigned config) |
1234 | { | |
1235 | bool ret = true; | |
88fee52e | 1236 | int open_return; |
b41f1cec NK |
1237 | struct perf_evsel *evsel; |
1238 | struct perf_event_attr attr = { | |
1239 | .type = type, | |
1240 | .config = config, | |
1241 | .disabled = 1, | |
b41f1cec NK |
1242 | }; |
1243 | struct { | |
1244 | struct thread_map map; | |
1245 | int threads[1]; | |
1246 | } tmap = { | |
1247 | .map.nr = 1, | |
1248 | .threads = { 0 }, | |
1249 | }; | |
1250 | ||
ef503831 | 1251 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1252 | if (evsel) { |
88fee52e VW |
1253 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1254 | ret = open_return >= 0; | |
1255 | ||
1256 | if (open_return == -EACCES) { | |
1257 | /* | |
1258 | * This happens if the paranoid value | |
1259 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1260 | * Re-run with exclude_kernel set; we don't do that | |
1261 | * by default as some ARM machines do not support it. | |
1262 | * | |
1263 | */ | |
1264 | evsel->attr.exclude_kernel = 1; | |
1265 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1266 | } | |
b41f1cec NK |
1267 | perf_evsel__delete(evsel); |
1268 | } | |
1269 | ||
1270 | return ret; | |
1271 | } | |
1272 | ||
a3277d2d | 1273 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1274 | { |
ab0e4800 | 1275 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1276 | char name[64]; |
ab0e4800 YS |
1277 | char **evt_list = NULL; |
1278 | bool evt_num_known = false; | |
1279 | ||
1280 | restart: | |
1281 | if (evt_num_known) { | |
1282 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1283 | if (!evt_list) | |
1284 | goto out_enomem; | |
1285 | } | |
668b8788 ACM |
1286 | |
1287 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1288 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1289 | /* skip invalid cache type */ | |
0b668bc9 | 1290 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1291 | continue; |
1292 | ||
1293 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1294 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1295 | name, sizeof(name)); | |
947b4ad1 | 1296 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1297 | continue; |
1298 | ||
b41f1cec NK |
1299 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1300 | type | (op << 8) | (i << 16))) | |
1301 | continue; | |
1302 | ||
ab0e4800 YS |
1303 | if (!evt_num_known) { |
1304 | evt_num++; | |
1305 | continue; | |
1306 | } | |
1307 | ||
1308 | evt_list[evt_i] = strdup(name); | |
1309 | if (evt_list[evt_i] == NULL) | |
1310 | goto out_enomem; | |
1311 | evt_i++; | |
668b8788 ACM |
1312 | } |
1313 | } | |
1314 | } | |
1315 | ||
ab0e4800 YS |
1316 | if (!evt_num_known) { |
1317 | evt_num_known = true; | |
1318 | goto restart; | |
1319 | } | |
1320 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1321 | evt_i = 0; | |
1322 | while (evt_i < evt_num) { | |
1323 | if (name_only) { | |
1324 | printf("%s ", evt_list[evt_i++]); | |
1325 | continue; | |
1326 | } | |
1327 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1328 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1329 | } | |
1330 | if (evt_num) | |
dc098b35 | 1331 | printf("\n"); |
ab0e4800 YS |
1332 | |
1333 | out_free: | |
1334 | evt_num = evt_i; | |
1335 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1336 | zfree(&evt_list[evt_i]); | |
1337 | zfree(&evt_list); | |
1338 | return evt_num; | |
1339 | ||
1340 | out_enomem: | |
1341 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1342 | if (evt_list) | |
1343 | goto out_free; | |
1344 | return evt_num; | |
668b8788 ACM |
1345 | } |
1346 | ||
705750f2 | 1347 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1348 | struct event_symbol *syms, unsigned max, |
1349 | bool name_only) | |
8ad8db37 | 1350 | { |
ab0e4800 | 1351 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1352 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1353 | char **evt_list = NULL; |
1354 | bool evt_num_known = false; | |
1355 | ||
1356 | restart: | |
1357 | if (evt_num_known) { | |
1358 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1359 | if (!evt_list) | |
1360 | goto out_enomem; | |
1361 | syms -= max; | |
1362 | } | |
8ad8db37 | 1363 | |
1dc12760 | 1364 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1365 | |
48000a1a | 1366 | if (event_glob != NULL && |
668b8788 ACM |
1367 | !(strglobmatch(syms->symbol, event_glob) || |
1368 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1369 | continue; | |
8ad8db37 | 1370 | |
b41f1cec NK |
1371 | if (!is_event_supported(type, i)) |
1372 | continue; | |
1373 | ||
ab0e4800 YS |
1374 | if (!evt_num_known) { |
1375 | evt_num++; | |
a3277d2d FW |
1376 | continue; |
1377 | } | |
1378 | ||
ab0e4800 | 1379 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1380 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1381 | else |
947b4ad1 | 1382 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1383 | |
ab0e4800 YS |
1384 | evt_list[evt_i] = strdup(name); |
1385 | if (evt_list[evt_i] == NULL) | |
1386 | goto out_enomem; | |
1387 | evt_i++; | |
8ad8db37 IM |
1388 | } |
1389 | ||
ab0e4800 YS |
1390 | if (!evt_num_known) { |
1391 | evt_num_known = true; | |
1392 | goto restart; | |
1393 | } | |
1394 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1395 | evt_i = 0; | |
1396 | while (evt_i < evt_num) { | |
1397 | if (name_only) { | |
1398 | printf("%s ", evt_list[evt_i++]); | |
1399 | continue; | |
1400 | } | |
1401 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1402 | } | |
1403 | if (evt_num) | |
668b8788 | 1404 | printf("\n"); |
ab0e4800 YS |
1405 | |
1406 | out_free: | |
1407 | evt_num = evt_i; | |
1408 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1409 | zfree(&evt_list[evt_i]); | |
1410 | zfree(&evt_list); | |
1411 | return; | |
1412 | ||
1413 | out_enomem: | |
1414 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1415 | if (evt_list) | |
1416 | goto out_free; | |
1dc12760 JO |
1417 | } |
1418 | ||
1419 | /* | |
1420 | * Print the help text for the event symbols: | |
1421 | */ | |
a3277d2d | 1422 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1423 | { |
1dc12760 | 1424 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1425 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1426 | |
1427 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1428 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1429 | |
a3277d2d | 1430 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1431 | |
dc098b35 AK |
1432 | print_pmu_events(event_glob, name_only); |
1433 | ||
668b8788 ACM |
1434 | if (event_glob != NULL) |
1435 | return; | |
73c24cb8 | 1436 | |
a3277d2d | 1437 | if (!name_only) { |
a3277d2d FW |
1438 | printf(" %-50s [%s]\n", |
1439 | "rNNN", | |
1440 | event_type_descriptors[PERF_TYPE_RAW]); | |
1441 | printf(" %-50s [%s]\n", | |
1442 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1443 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1444 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1445 | printf("\n"); |
1446 | ||
1447 | printf(" %-50s [%s]\n", | |
3741eb9f | 1448 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1449 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1450 | printf("\n"); |
1451 | } | |
1b290d67 | 1452 | |
a3277d2d | 1453 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1454 | } |
8f707d84 | 1455 | |
6cee6cd3 | 1456 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1457 | { |
16fa7e82 | 1458 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1459 | } |
1460 | ||
6cee6cd3 | 1461 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1462 | int type_term, char *config, |
b527bab5 | 1463 | char *str, u64 num) |
8f707d84 | 1464 | { |
6cee6cd3 | 1465 | struct parse_events_term *term; |
8f707d84 JO |
1466 | |
1467 | term = zalloc(sizeof(*term)); | |
1468 | if (!term) | |
1469 | return -ENOMEM; | |
1470 | ||
1471 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1472 | term->type_val = type_val; |
1473 | term->type_term = type_term; | |
8f707d84 JO |
1474 | term->config = config; |
1475 | ||
16fa7e82 | 1476 | switch (type_val) { |
8f707d84 JO |
1477 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1478 | term->val.num = num; | |
1479 | break; | |
1480 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1481 | term->val.str = str; | |
1482 | break; | |
1483 | default: | |
4be8be6b | 1484 | free(term); |
8f707d84 JO |
1485 | return -EINVAL; |
1486 | } | |
1487 | ||
1488 | *_term = term; | |
1489 | return 0; | |
1490 | } | |
1491 | ||
6cee6cd3 | 1492 | int parse_events_term__num(struct parse_events_term **term, |
b527bab5 | 1493 | int type_term, char *config, u64 num) |
16fa7e82 JO |
1494 | { |
1495 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, | |
1496 | config, NULL, num); | |
1497 | } | |
1498 | ||
6cee6cd3 | 1499 | int parse_events_term__str(struct parse_events_term **term, |
16fa7e82 JO |
1500 | int type_term, char *config, char *str) |
1501 | { | |
1502 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, | |
1503 | config, str, 0); | |
1504 | } | |
1505 | ||
6cee6cd3 | 1506 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1507 | char *config, unsigned idx) |
1508 | { | |
1509 | struct event_symbol *sym; | |
1510 | ||
1511 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1512 | sym = &event_symbols_hw[idx]; | |
1513 | ||
1514 | if (config) | |
1515 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1516 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
1517 | (char *) sym->symbol, 0); | |
1518 | else | |
1519 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1520 | PARSE_EVENTS__TERM_TYPE_USER, | |
1521 | (char *) "event", (char *) sym->symbol, 0); | |
1522 | } | |
1523 | ||
6cee6cd3 ACM |
1524 | int parse_events_term__clone(struct parse_events_term **new, |
1525 | struct parse_events_term *term) | |
a6146d50 ZY |
1526 | { |
1527 | return new_term(new, term->type_val, term->type_term, term->config, | |
1528 | term->val.str, term->val.num); | |
1529 | } | |
1530 | ||
8f707d84 JO |
1531 | void parse_events__free_terms(struct list_head *terms) |
1532 | { | |
6cee6cd3 | 1533 | struct parse_events_term *term, *h; |
8f707d84 JO |
1534 | |
1535 | list_for_each_entry_safe(term, h, terms, list) | |
1536 | free(term); | |
8f707d84 | 1537 | } |