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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" |
f30a79b0 | 20 | #include "cpumap.h" |
b39b8393 | 21 | #include "asm/bug.h" |
89812fc8 JO |
22 | |
23 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 24 | |
82ba1f2f JO |
25 | #ifdef PARSER_DEBUG |
26 | extern int parse_events_debug; | |
27 | #endif | |
ac20de6f | 28 | int parse_events_parse(void *data, void *scanner); |
bcd3279f | 29 | |
dcb4e102 KL |
30 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
31 | /* | |
32 | * The variable indicates the number of supported pmu event symbols. | |
33 | * 0 means not initialized and ready to init | |
34 | * -1 means failed to init, don't try anymore | |
35 | * >0 is the number of supported pmu event symbols | |
36 | */ | |
37 | static int perf_pmu_events_list_num; | |
38 | ||
705750f2 | 39 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
40 | [PERF_COUNT_HW_CPU_CYCLES] = { |
41 | .symbol = "cpu-cycles", | |
42 | .alias = "cycles", | |
43 | }, | |
44 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
45 | .symbol = "instructions", | |
46 | .alias = "", | |
47 | }, | |
48 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
49 | .symbol = "cache-references", | |
50 | .alias = "", | |
51 | }, | |
52 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
53 | .symbol = "cache-misses", | |
54 | .alias = "", | |
55 | }, | |
56 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
57 | .symbol = "branch-instructions", | |
58 | .alias = "branches", | |
59 | }, | |
60 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
61 | .symbol = "branch-misses", | |
62 | .alias = "", | |
63 | }, | |
64 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
65 | .symbol = "bus-cycles", | |
66 | .alias = "", | |
67 | }, | |
68 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
69 | .symbol = "stalled-cycles-frontend", | |
70 | .alias = "idle-cycles-frontend", | |
71 | }, | |
72 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
73 | .symbol = "stalled-cycles-backend", | |
74 | .alias = "idle-cycles-backend", | |
75 | }, | |
76 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
77 | .symbol = "ref-cycles", | |
78 | .alias = "", | |
79 | }, | |
80 | }; | |
81 | ||
705750f2 | 82 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
83 | [PERF_COUNT_SW_CPU_CLOCK] = { |
84 | .symbol = "cpu-clock", | |
85 | .alias = "", | |
86 | }, | |
87 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
88 | .symbol = "task-clock", | |
89 | .alias = "", | |
90 | }, | |
91 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
92 | .symbol = "page-faults", | |
93 | .alias = "faults", | |
94 | }, | |
95 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
96 | .symbol = "context-switches", | |
97 | .alias = "cs", | |
98 | }, | |
99 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
100 | .symbol = "cpu-migrations", | |
101 | .alias = "migrations", | |
102 | }, | |
103 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
104 | .symbol = "minor-faults", | |
105 | .alias = "", | |
106 | }, | |
107 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
108 | .symbol = "major-faults", | |
109 | .alias = "", | |
110 | }, | |
111 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
112 | .symbol = "alignment-faults", | |
113 | .alias = "", | |
114 | }, | |
115 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
116 | .symbol = "emulation-faults", | |
117 | .alias = "", | |
118 | }, | |
d22d1a2a AH |
119 | [PERF_COUNT_SW_DUMMY] = { |
120 | .symbol = "dummy", | |
121 | .alias = "", | |
122 | }, | |
8ad8db37 IM |
123 | }; |
124 | ||
cdd6c482 IM |
125 | #define __PERF_EVENT_FIELD(config, name) \ |
126 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 127 | |
1fc570ad | 128 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 129 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 130 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 131 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 132 | |
6b58e7f1 | 133 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 134 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 135 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
136 | (strcmp(sys_dirent.d_name, ".")) && \ |
137 | (strcmp(sys_dirent.d_name, ".."))) | |
138 | ||
ae07b63f PZ |
139 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
140 | { | |
141 | char evt_path[MAXPATHLEN]; | |
142 | int fd; | |
143 | ||
ebf294bf | 144 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
145 | sys_dir->d_name, evt_dir->d_name); |
146 | fd = open(evt_path, O_RDONLY); | |
147 | if (fd < 0) | |
148 | return -EINVAL; | |
149 | close(fd); | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
6b58e7f1 | 154 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 155 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 156 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 157 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
158 | (strcmp(evt_dirent.d_name, "..")) && \ |
159 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 160 | |
270bbbe8 | 161 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 162 | |
f6bdafef | 163 | |
1ef2ed10 | 164 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 165 | { |
1ef2ed10 | 166 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
167 | DIR *sys_dir, *evt_dir; |
168 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 169 | char id_buf[24]; |
725b1368 | 170 | int fd; |
f6bdafef JB |
171 | u64 id; |
172 | char evt_path[MAXPATHLEN]; | |
725b1368 | 173 | char dir_path[MAXPATHLEN]; |
f6bdafef | 174 | |
ebf294bf | 175 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 176 | if (!sys_dir) |
725b1368 | 177 | return NULL; |
6b58e7f1 UD |
178 | |
179 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 180 | |
ebf294bf | 181 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
182 | sys_dirent.d_name); |
183 | evt_dir = opendir(dir_path); | |
184 | if (!evt_dir) | |
6b58e7f1 | 185 | continue; |
725b1368 | 186 | |
6b58e7f1 | 187 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
188 | |
189 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 190 | evt_dirent.d_name); |
725b1368 | 191 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
192 | if (fd < 0) |
193 | continue; | |
194 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
195 | close(fd); | |
196 | continue; | |
197 | } | |
198 | close(fd); | |
199 | id = atoll(id_buf); | |
200 | if (id == config) { | |
201 | closedir(evt_dir); | |
202 | closedir(sys_dir); | |
59b4caeb | 203 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
204 | path->system = malloc(MAX_EVENT_LENGTH); |
205 | if (!path->system) { | |
206 | free(path); | |
207 | return NULL; | |
208 | } | |
209 | path->name = malloc(MAX_EVENT_LENGTH); | |
210 | if (!path->name) { | |
74cf249d | 211 | zfree(&path->system); |
1ef2ed10 FW |
212 | free(path); |
213 | return NULL; | |
214 | } | |
215 | strncpy(path->system, sys_dirent.d_name, | |
216 | MAX_EVENT_LENGTH); | |
217 | strncpy(path->name, evt_dirent.d_name, | |
218 | MAX_EVENT_LENGTH); | |
219 | return path; | |
f6bdafef JB |
220 | } |
221 | } | |
222 | closedir(evt_dir); | |
223 | } | |
224 | ||
f6bdafef | 225 | closedir(sys_dir); |
1ef2ed10 FW |
226 | return NULL; |
227 | } | |
228 | ||
e7c93f09 NK |
229 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
230 | { | |
231 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
232 | char *str = strchr(name, ':'); | |
233 | ||
234 | if (path == NULL || str == NULL) { | |
235 | free(path); | |
236 | return NULL; | |
237 | } | |
238 | ||
239 | path->system = strndup(name, str - name); | |
240 | path->name = strdup(str+1); | |
241 | ||
242 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
243 | zfree(&path->system); |
244 | zfree(&path->name); | |
e7c93f09 NK |
245 | free(path); |
246 | path = NULL; | |
247 | } | |
248 | ||
249 | return path; | |
250 | } | |
251 | ||
1424dc96 DA |
252 | const char *event_type(int type) |
253 | { | |
254 | switch (type) { | |
255 | case PERF_TYPE_HARDWARE: | |
256 | return "hardware"; | |
257 | ||
258 | case PERF_TYPE_SOFTWARE: | |
259 | return "software"; | |
260 | ||
261 | case PERF_TYPE_TRACEPOINT: | |
262 | return "tracepoint"; | |
263 | ||
264 | case PERF_TYPE_HW_CACHE: | |
265 | return "hardware-cache"; | |
266 | ||
267 | default: | |
268 | break; | |
269 | } | |
270 | ||
271 | return "unknown"; | |
272 | } | |
273 | ||
7ae92e74 YZ |
274 | |
275 | ||
410136f5 SE |
276 | static struct perf_evsel * |
277 | __add_event(struct list_head *list, int *idx, | |
278 | struct perf_event_attr *attr, | |
930a2e29 JO |
279 | char *name, struct cpu_map *cpus, |
280 | struct list_head *config_terms) | |
89812fc8 JO |
281 | { |
282 | struct perf_evsel *evsel; | |
283 | ||
284 | event_attr_init(attr); | |
285 | ||
ef503831 | 286 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 287 | if (!evsel) |
410136f5 | 288 | return NULL; |
89812fc8 | 289 | |
f30a79b0 JO |
290 | if (cpus) |
291 | evsel->cpus = cpu_map__get(cpus); | |
292 | ||
9db1763c ACM |
293 | if (name) |
294 | evsel->name = strdup(name); | |
930a2e29 JO |
295 | |
296 | if (config_terms) | |
297 | list_splice(config_terms, &evsel->config_terms); | |
298 | ||
b847cbdc | 299 | list_add_tail(&evsel->node, list); |
410136f5 | 300 | return evsel; |
89812fc8 JO |
301 | } |
302 | ||
c5cd8ac0 | 303 | static int add_event(struct list_head *list, int *idx, |
930a2e29 JO |
304 | struct perf_event_attr *attr, char *name, |
305 | struct list_head *config_terms) | |
7ae92e74 | 306 | { |
930a2e29 | 307 | return __add_event(list, idx, attr, name, NULL, config_terms) ? 0 : -ENOMEM; |
7ae92e74 YZ |
308 | } |
309 | ||
0b668bc9 | 310 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
311 | { |
312 | int i, j; | |
61c45981 | 313 | int n, longest = -1; |
8326f44d IM |
314 | |
315 | for (i = 0; i < size; i++) { | |
0b668bc9 | 316 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 317 | n = strlen(names[i][j]); |
89812fc8 | 318 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
319 | longest = n; |
320 | } | |
89812fc8 | 321 | if (longest > 0) |
61c45981 | 322 | return i; |
8326f44d IM |
323 | } |
324 | ||
8953645f | 325 | return -1; |
8326f44d IM |
326 | } |
327 | ||
c5cd8ac0 | 328 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 329 | char *type, char *op_result1, char *op_result2) |
8326f44d | 330 | { |
89812fc8 JO |
331 | struct perf_event_attr attr; |
332 | char name[MAX_NAME_LEN]; | |
61c45981 | 333 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
334 | char *op_result[2] = { op_result1, op_result2 }; |
335 | int i, n; | |
8326f44d | 336 | |
8326f44d IM |
337 | /* |
338 | * No fallback - if we cannot get a clear cache type | |
339 | * then bail out: | |
340 | */ | |
0b668bc9 | 341 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 342 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 343 | if (cache_type == -1) |
89812fc8 JO |
344 | return -EINVAL; |
345 | ||
346 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 347 | |
89812fc8 JO |
348 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
349 | char *str = op_result[i]; | |
350 | ||
275ef387 | 351 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
352 | |
353 | if (cache_op == -1) { | |
0b668bc9 | 354 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 355 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 356 | if (cache_op >= 0) { |
0b668bc9 | 357 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 358 | return -EINVAL; |
61c45981 PM |
359 | continue; |
360 | } | |
361 | } | |
362 | ||
363 | if (cache_result == -1) { | |
0b668bc9 ACM |
364 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
365 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
366 | if (cache_result >= 0) |
367 | continue; | |
368 | } | |
61c45981 | 369 | } |
8326f44d | 370 | |
8326f44d IM |
371 | /* |
372 | * Fall back to reads: | |
373 | */ | |
8953645f IM |
374 | if (cache_op == -1) |
375 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 376 | |
8326f44d IM |
377 | /* |
378 | * Fall back to accesses: | |
379 | */ | |
380 | if (cache_result == -1) | |
381 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
382 | ||
89812fc8 JO |
383 | memset(&attr, 0, sizeof(attr)); |
384 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
385 | attr.type = PERF_TYPE_HW_CACHE; | |
930a2e29 | 386 | return add_event(list, idx, &attr, name, NULL); |
bcd3279f FW |
387 | } |
388 | ||
c5cd8ac0 | 389 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 390 | char *sys_name, char *evt_name) |
bcd3279f | 391 | { |
82fe1c29 | 392 | struct perf_evsel *evsel; |
bcd3279f | 393 | |
ef503831 | 394 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 395 | if (!evsel) |
82fe1c29 | 396 | return -ENOMEM; |
bcd3279f | 397 | |
82fe1c29 | 398 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 399 | |
82fe1c29 | 400 | return 0; |
8326f44d IM |
401 | } |
402 | ||
c5cd8ac0 | 403 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 404 | char *sys_name, char *evt_name) |
bcd3279f FW |
405 | { |
406 | char evt_path[MAXPATHLEN]; | |
407 | struct dirent *evt_ent; | |
408 | DIR *evt_dir; | |
89812fc8 | 409 | int ret = 0; |
bcd3279f | 410 | |
ebf294bf | 411 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 412 | evt_dir = opendir(evt_path); |
bcd3279f FW |
413 | if (!evt_dir) { |
414 | perror("Can't open event dir"); | |
89812fc8 | 415 | return -1; |
bcd3279f FW |
416 | } |
417 | ||
89812fc8 | 418 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
419 | if (!strcmp(evt_ent->d_name, ".") |
420 | || !strcmp(evt_ent->d_name, "..") | |
421 | || !strcmp(evt_ent->d_name, "enable") | |
422 | || !strcmp(evt_ent->d_name, "filter")) | |
423 | continue; | |
424 | ||
89812fc8 | 425 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
426 | continue; |
427 | ||
89812fc8 | 428 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
429 | } |
430 | ||
0bd3f084 | 431 | closedir(evt_dir); |
89812fc8 | 432 | return ret; |
bcd3279f FW |
433 | } |
434 | ||
c5cd8ac0 | 435 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
436 | char *sys_name, char *evt_name) |
437 | { | |
438 | return strpbrk(evt_name, "*?") ? | |
439 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
440 | add_tracepoint(list, idx, sys_name, evt_name); | |
441 | } | |
442 | ||
c5cd8ac0 | 443 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
444 | char *sys_name, char *evt_name) |
445 | { | |
446 | struct dirent *events_ent; | |
447 | DIR *events_dir; | |
448 | int ret = 0; | |
449 | ||
450 | events_dir = opendir(tracing_events_path); | |
451 | if (!events_dir) { | |
452 | perror("Can't open event dir"); | |
453 | return -1; | |
454 | } | |
455 | ||
456 | while (!ret && (events_ent = readdir(events_dir))) { | |
457 | if (!strcmp(events_ent->d_name, ".") | |
458 | || !strcmp(events_ent->d_name, "..") | |
459 | || !strcmp(events_ent->d_name, "enable") | |
460 | || !strcmp(events_ent->d_name, "header_event") | |
461 | || !strcmp(events_ent->d_name, "header_page")) | |
462 | continue; | |
463 | ||
464 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
465 | continue; | |
466 | ||
467 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
468 | evt_name); | |
469 | } | |
470 | ||
471 | closedir(events_dir); | |
472 | return ret; | |
473 | } | |
474 | ||
c5cd8ac0 | 475 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 476 | char *sys, char *event) |
f6bdafef | 477 | { |
f35488f9 JO |
478 | if (strpbrk(sys, "*?")) |
479 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
480 | else | |
481 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
482 | } |
483 | ||
89812fc8 JO |
484 | static int |
485 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
486 | { |
487 | int i; | |
488 | ||
489 | for (i = 0; i < 3; i++) { | |
89812fc8 | 490 | if (!type || !type[i]) |
1b290d67 FW |
491 | break; |
492 | ||
7582732f JO |
493 | #define CHECK_SET_TYPE(bit) \ |
494 | do { \ | |
495 | if (attr->bp_type & bit) \ | |
496 | return -EINVAL; \ | |
497 | else \ | |
498 | attr->bp_type |= bit; \ | |
499 | } while (0) | |
500 | ||
1b290d67 FW |
501 | switch (type[i]) { |
502 | case 'r': | |
7582732f | 503 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
504 | break; |
505 | case 'w': | |
7582732f | 506 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
507 | break; |
508 | case 'x': | |
7582732f | 509 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
510 | break; |
511 | default: | |
89812fc8 | 512 | return -EINVAL; |
1b290d67 FW |
513 | } |
514 | } | |
89812fc8 | 515 | |
7582732f JO |
516 | #undef CHECK_SET_TYPE |
517 | ||
1b290d67 FW |
518 | if (!attr->bp_type) /* Default */ |
519 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
520 | ||
89812fc8 | 521 | return 0; |
1b290d67 FW |
522 | } |
523 | ||
c5cd8ac0 | 524 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 525 | void *ptr, char *type, u64 len) |
1b290d67 | 526 | { |
89812fc8 | 527 | struct perf_event_attr attr; |
1b290d67 | 528 | |
89812fc8 | 529 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 530 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 531 | |
89812fc8 JO |
532 | if (parse_breakpoint_type(type, &attr)) |
533 | return -EINVAL; | |
1b290d67 | 534 | |
3741eb9f JS |
535 | /* Provide some defaults if len is not specified */ |
536 | if (!len) { | |
537 | if (attr.bp_type == HW_BREAKPOINT_X) | |
538 | len = sizeof(long); | |
539 | else | |
540 | len = HW_BREAKPOINT_LEN_4; | |
541 | } | |
542 | ||
543 | attr.bp_len = len; | |
61c45981 | 544 | |
89812fc8 | 545 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 546 | attr.sample_period = 1; |
b908debd | 547 | |
930a2e29 | 548 | return add_event(list, idx, &attr, NULL, NULL); |
74d5b588 JSR |
549 | } |
550 | ||
3b0e371c JO |
551 | static int check_type_val(struct parse_events_term *term, |
552 | struct parse_events_error *err, | |
553 | int type) | |
554 | { | |
555 | if (type == term->type_val) | |
556 | return 0; | |
557 | ||
558 | if (err) { | |
559 | err->idx = term->err_val; | |
560 | if (type == PARSE_EVENTS__TERM_TYPE_NUM) | |
561 | err->str = strdup("expected numeric value"); | |
562 | else | |
563 | err->str = strdup("expected string value"); | |
564 | } | |
565 | return -EINVAL; | |
566 | } | |
567 | ||
8f707d84 | 568 | static int config_term(struct perf_event_attr *attr, |
3b0e371c JO |
569 | struct parse_events_term *term, |
570 | struct parse_events_error *err) | |
8f707d84 | 571 | { |
3b0e371c JO |
572 | #define CHECK_TYPE_VAL(type) \ |
573 | do { \ | |
574 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
575 | return -EINVAL; \ | |
16fa7e82 JO |
576 | } while (0) |
577 | ||
578 | switch (term->type_term) { | |
c056ba6a JO |
579 | case PARSE_EVENTS__TERM_TYPE_USER: |
580 | /* | |
581 | * Always succeed for sysfs terms, as we dont know | |
582 | * at this point what type they need to have. | |
583 | */ | |
584 | return 0; | |
8f707d84 | 585 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 586 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
587 | attr->config = term->val.num; |
588 | break; | |
589 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 590 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
591 | attr->config1 = term->val.num; |
592 | break; | |
593 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 594 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
595 | attr->config2 = term->val.num; |
596 | break; | |
597 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 598 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
599 | break; |
600 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
601 | /* | |
602 | * TODO uncomment when the field is available | |
603 | * attr->branch_sample_type = term->val.num; | |
604 | */ | |
605 | break; | |
6b5fc39b JO |
606 | case PARSE_EVENTS__TERM_TYPE_NAME: |
607 | CHECK_TYPE_VAL(STR); | |
608 | break; | |
8f707d84 JO |
609 | default: |
610 | return -EINVAL; | |
611 | } | |
16fa7e82 | 612 | |
8f707d84 | 613 | return 0; |
16fa7e82 | 614 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
615 | } |
616 | ||
617 | static int config_attr(struct perf_event_attr *attr, | |
3b0e371c JO |
618 | struct list_head *head, |
619 | struct parse_events_error *err) | |
8f707d84 | 620 | { |
6cee6cd3 | 621 | struct parse_events_term *term; |
8f707d84 JO |
622 | |
623 | list_for_each_entry(term, head, list) | |
3b0e371c | 624 | if (config_term(attr, term, err)) |
8f707d84 JO |
625 | return -EINVAL; |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
930a2e29 JO |
630 | static int get_config_terms(struct list_head *head_config, |
631 | struct list_head *head_terms __maybe_unused) | |
632 | { | |
633 | #define ADD_CONFIG_TERM(__type, __name, __val) \ | |
634 | do { \ | |
635 | struct perf_evsel_config_term *__t; \ | |
636 | \ | |
637 | __t = zalloc(sizeof(*__t)); \ | |
638 | if (!__t) \ | |
639 | return -ENOMEM; \ | |
640 | \ | |
641 | INIT_LIST_HEAD(&__t->list); \ | |
642 | __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ | |
643 | __t->val.__name = __val; \ | |
644 | list_add_tail(&__t->list, head_terms); \ | |
645 | } while (0) | |
646 | ||
647 | struct parse_events_term *term; | |
648 | ||
649 | list_for_each_entry(term, head_config, list) { | |
650 | switch (term->type_term) { | |
ee4c7588 JO |
651 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
652 | ADD_CONFIG_TERM(PERIOD, period, term->val.num); | |
930a2e29 JO |
653 | default: |
654 | break; | |
655 | } | |
656 | } | |
657 | #undef ADD_EVSEL_CONFIG | |
658 | return 0; | |
659 | } | |
660 | ||
87d650be JO |
661 | int parse_events_add_numeric(struct parse_events_evlist *data, |
662 | struct list_head *list, | |
b527bab5 | 663 | u32 type, u64 config, |
8f707d84 | 664 | struct list_head *head_config) |
8ad8db37 | 665 | { |
89812fc8 | 666 | struct perf_event_attr attr; |
930a2e29 | 667 | LIST_HEAD(config_terms); |
61c45981 | 668 | |
89812fc8 JO |
669 | memset(&attr, 0, sizeof(attr)); |
670 | attr.type = type; | |
671 | attr.config = config; | |
8f707d84 | 672 | |
930a2e29 JO |
673 | if (head_config) { |
674 | if (config_attr(&attr, head_config, data->error)) | |
675 | return -EINVAL; | |
676 | ||
677 | if (get_config_terms(head_config, &config_terms)) | |
678 | return -ENOMEM; | |
679 | } | |
8f707d84 | 680 | |
930a2e29 | 681 | return add_event(list, &data->idx, &attr, NULL, &config_terms); |
61c45981 | 682 | } |
8ad8db37 | 683 | |
6cee6cd3 | 684 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
685 | { |
686 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
687 | } | |
688 | ||
9db1763c | 689 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 690 | { |
6cee6cd3 | 691 | struct parse_events_term *term; |
6b5fc39b JO |
692 | |
693 | list_for_each_entry(term, head_terms, list) | |
694 | if (parse_events__is_name_term(term)) | |
695 | return term->val.str; | |
696 | ||
9db1763c | 697 | return NULL; |
6b5fc39b JO |
698 | } |
699 | ||
36adec85 JO |
700 | int parse_events_add_pmu(struct parse_events_evlist *data, |
701 | struct list_head *list, char *name, | |
702 | struct list_head *head_config) | |
5f537a26 JO |
703 | { |
704 | struct perf_event_attr attr; | |
46441bdc | 705 | struct perf_pmu_info info; |
5f537a26 | 706 | struct perf_pmu *pmu; |
410136f5 | 707 | struct perf_evsel *evsel; |
930a2e29 | 708 | LIST_HEAD(config_terms); |
5f537a26 JO |
709 | |
710 | pmu = perf_pmu__find(name); | |
711 | if (!pmu) | |
712 | return -EINVAL; | |
713 | ||
dc0a6202 AH |
714 | if (pmu->default_config) { |
715 | memcpy(&attr, pmu->default_config, | |
716 | sizeof(struct perf_event_attr)); | |
717 | } else { | |
718 | memset(&attr, 0, sizeof(attr)); | |
719 | } | |
5f537a26 | 720 | |
ad962273 AH |
721 | if (!head_config) { |
722 | attr.type = pmu->type; | |
930a2e29 | 723 | evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); |
ad962273 AH |
724 | return evsel ? 0 : -ENOMEM; |
725 | } | |
726 | ||
46441bdc | 727 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
728 | return -EINVAL; |
729 | ||
5f537a26 JO |
730 | /* |
731 | * Configure hardcoded terms first, no need to check | |
732 | * return value when called with fail == 0 ;) | |
733 | */ | |
3b0e371c | 734 | if (config_attr(&attr, head_config, data->error)) |
c056ba6a | 735 | return -EINVAL; |
5f537a26 | 736 | |
930a2e29 JO |
737 | if (get_config_terms(head_config, &config_terms)) |
738 | return -ENOMEM; | |
739 | ||
e64b020b | 740 | if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
5f537a26 JO |
741 | return -EINVAL; |
742 | ||
36adec85 | 743 | evsel = __add_event(list, &data->idx, &attr, |
930a2e29 JO |
744 | pmu_event_name(head_config), pmu->cpus, |
745 | &config_terms); | |
410136f5 | 746 | if (evsel) { |
46441bdc MF |
747 | evsel->unit = info.unit; |
748 | evsel->scale = info.scale; | |
044330c1 | 749 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 750 | evsel->snapshot = info.snapshot; |
410136f5 SE |
751 | } |
752 | ||
753 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
754 | } |
755 | ||
6a4bb04c JO |
756 | int parse_events__modifier_group(struct list_head *list, |
757 | char *event_mod) | |
89efb029 | 758 | { |
6a4bb04c JO |
759 | return parse_events__modifier_event(list, event_mod, true); |
760 | } | |
761 | ||
63dab225 | 762 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
763 | { |
764 | struct perf_evsel *leader; | |
765 | ||
63dab225 ACM |
766 | __perf_evlist__set_leader(list); |
767 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 768 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
769 | } |
770 | ||
c5cd8ac0 | 771 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
772 | void parse_events_update_lists(struct list_head *list_event, |
773 | struct list_head *list_all) | |
774 | { | |
775 | /* | |
776 | * Called for single event definition. Update the | |
89efb029 | 777 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
778 | * list, for next event definition. |
779 | */ | |
780 | list_splice_tail(list_event, list_all); | |
b847cbdc | 781 | free(list_event); |
5d7be90e JO |
782 | } |
783 | ||
f5b1135b JO |
784 | struct event_modifier { |
785 | int eu; | |
786 | int ek; | |
787 | int eh; | |
788 | int eH; | |
789 | int eG; | |
a1e12da4 | 790 | int eI; |
f5b1135b JO |
791 | int precise; |
792 | int exclude_GH; | |
3c176311 | 793 | int sample_read; |
e9a7c414 | 794 | int pinned; |
f5b1135b JO |
795 | }; |
796 | ||
797 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
798 | struct perf_evsel *evsel) | |
61c45981 | 799 | { |
f5b1135b JO |
800 | int eu = evsel ? evsel->attr.exclude_user : 0; |
801 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
802 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
803 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
804 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 805 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 806 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 807 | int sample_read = 0; |
e9a7c414 | 808 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 809 | |
f5b1135b JO |
810 | int exclude = eu | ek | eh; |
811 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
812 | ||
f5b1135b | 813 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 814 | |
61c45981 | 815 | while (*str) { |
ab608344 PZ |
816 | if (*str == 'u') { |
817 | if (!exclude) | |
818 | exclude = eu = ek = eh = 1; | |
61c45981 | 819 | eu = 0; |
ab608344 PZ |
820 | } else if (*str == 'k') { |
821 | if (!exclude) | |
822 | exclude = eu = ek = eh = 1; | |
61c45981 | 823 | ek = 0; |
ab608344 PZ |
824 | } else if (*str == 'h') { |
825 | if (!exclude) | |
826 | exclude = eu = ek = eh = 1; | |
61c45981 | 827 | eh = 0; |
99320cc8 JR |
828 | } else if (*str == 'G') { |
829 | if (!exclude_GH) | |
830 | exclude_GH = eG = eH = 1; | |
831 | eG = 0; | |
832 | } else if (*str == 'H') { | |
833 | if (!exclude_GH) | |
834 | exclude_GH = eG = eH = 1; | |
835 | eH = 0; | |
a1e12da4 JO |
836 | } else if (*str == 'I') { |
837 | eI = 1; | |
ab608344 PZ |
838 | } else if (*str == 'p') { |
839 | precise++; | |
1342798c DA |
840 | /* use of precise requires exclude_guest */ |
841 | if (!exclude_GH) | |
842 | eG = 1; | |
3c176311 JO |
843 | } else if (*str == 'S') { |
844 | sample_read = 1; | |
e9a7c414 ME |
845 | } else if (*str == 'D') { |
846 | pinned = 1; | |
ab608344 | 847 | } else |
61c45981 | 848 | break; |
ab608344 | 849 | |
61c45981 | 850 | ++str; |
5242519b | 851 | } |
ceb53fbf | 852 | |
89812fc8 JO |
853 | /* |
854 | * precise ip: | |
855 | * | |
856 | * 0 - SAMPLE_IP can have arbitrary skid | |
857 | * 1 - SAMPLE_IP must have constant skid | |
858 | * 2 - SAMPLE_IP requested to have 0 skid | |
859 | * 3 - SAMPLE_IP must have 0 skid | |
860 | * | |
861 | * See also PERF_RECORD_MISC_EXACT_IP | |
862 | */ | |
863 | if (precise > 3) | |
864 | return -EINVAL; | |
ceb53fbf | 865 | |
f5b1135b JO |
866 | mod->eu = eu; |
867 | mod->ek = ek; | |
868 | mod->eh = eh; | |
869 | mod->eH = eH; | |
870 | mod->eG = eG; | |
a1e12da4 | 871 | mod->eI = eI; |
f5b1135b JO |
872 | mod->precise = precise; |
873 | mod->exclude_GH = exclude_GH; | |
3c176311 | 874 | mod->sample_read = sample_read; |
e9a7c414 ME |
875 | mod->pinned = pinned; |
876 | ||
f5b1135b JO |
877 | return 0; |
878 | } | |
879 | ||
534123f4 JO |
880 | /* |
881 | * Basic modifier sanity check to validate it contains only one | |
882 | * instance of any modifier (apart from 'p') present. | |
883 | */ | |
884 | static int check_modifier(char *str) | |
885 | { | |
886 | char *p = str; | |
887 | ||
888 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 889 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
890 | return -1; |
891 | ||
892 | while (*p) { | |
893 | if (*p != 'p' && strchr(p + 1, *p)) | |
894 | return -1; | |
895 | p++; | |
896 | } | |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
f5b1135b JO |
901 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
902 | { | |
903 | struct perf_evsel *evsel; | |
904 | struct event_modifier mod; | |
905 | ||
906 | if (str == NULL) | |
907 | return 0; | |
908 | ||
534123f4 JO |
909 | if (check_modifier(str)) |
910 | return -EINVAL; | |
911 | ||
f5b1135b JO |
912 | if (!add && get_event_modifier(&mod, str, NULL)) |
913 | return -EINVAL; | |
914 | ||
0050f7aa | 915 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
916 | if (add && get_event_modifier(&mod, str, evsel)) |
917 | return -EINVAL; | |
918 | ||
919 | evsel->attr.exclude_user = mod.eu; | |
920 | evsel->attr.exclude_kernel = mod.ek; | |
921 | evsel->attr.exclude_hv = mod.eh; | |
922 | evsel->attr.precise_ip = mod.precise; | |
923 | evsel->attr.exclude_host = mod.eH; | |
924 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 925 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 926 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 927 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
928 | |
929 | if (perf_evsel__is_group_leader(evsel)) | |
930 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 931 | } |
ceb53fbf | 932 | |
61c45981 PM |
933 | return 0; |
934 | } | |
8ad8db37 | 935 | |
ac2ba9f3 RR |
936 | int parse_events_name(struct list_head *list, char *name) |
937 | { | |
938 | struct perf_evsel *evsel; | |
939 | ||
0050f7aa | 940 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
941 | if (!evsel->name) |
942 | evsel->name = strdup(name); | |
943 | } | |
944 | ||
945 | return 0; | |
946 | } | |
947 | ||
dcb4e102 KL |
948 | static int |
949 | comp_pmu(const void *p1, const void *p2) | |
950 | { | |
951 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
952 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
953 | ||
954 | return strcmp(pmu1->symbol, pmu2->symbol); | |
955 | } | |
956 | ||
957 | static void perf_pmu__parse_cleanup(void) | |
958 | { | |
959 | if (perf_pmu_events_list_num > 0) { | |
960 | struct perf_pmu_event_symbol *p; | |
961 | int i; | |
962 | ||
963 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
964 | p = perf_pmu_events_list + i; | |
965 | free(p->symbol); | |
966 | } | |
967 | free(perf_pmu_events_list); | |
968 | perf_pmu_events_list = NULL; | |
969 | perf_pmu_events_list_num = 0; | |
970 | } | |
971 | } | |
972 | ||
973 | #define SET_SYMBOL(str, stype) \ | |
974 | do { \ | |
975 | p->symbol = str; \ | |
976 | if (!p->symbol) \ | |
977 | goto err; \ | |
978 | p->type = stype; \ | |
979 | } while (0) | |
980 | ||
981 | /* | |
982 | * Read the pmu events list from sysfs | |
983 | * Save it into perf_pmu_events_list | |
984 | */ | |
985 | static void perf_pmu__parse_init(void) | |
986 | { | |
987 | ||
988 | struct perf_pmu *pmu = NULL; | |
989 | struct perf_pmu_alias *alias; | |
990 | int len = 0; | |
991 | ||
992 | pmu = perf_pmu__find("cpu"); | |
993 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
994 | perf_pmu_events_list_num = -1; | |
995 | return; | |
996 | } | |
997 | list_for_each_entry(alias, &pmu->aliases, list) { | |
998 | if (strchr(alias->name, '-')) | |
999 | len++; | |
1000 | len++; | |
1001 | } | |
1002 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
1003 | if (!perf_pmu_events_list) | |
1004 | return; | |
1005 | perf_pmu_events_list_num = len; | |
1006 | ||
1007 | len = 0; | |
1008 | list_for_each_entry(alias, &pmu->aliases, list) { | |
1009 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
1010 | char *tmp = strchr(alias->name, '-'); | |
1011 | ||
1012 | if (tmp != NULL) { | |
1013 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
1014 | PMU_EVENT_SYMBOL_PREFIX); | |
1015 | p++; | |
1016 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
1017 | len += 2; | |
1018 | } else { | |
1019 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
1020 | len++; | |
1021 | } | |
1022 | } | |
1023 | qsort(perf_pmu_events_list, len, | |
1024 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1025 | ||
1026 | return; | |
1027 | err: | |
1028 | perf_pmu__parse_cleanup(); | |
1029 | } | |
1030 | ||
1031 | enum perf_pmu_event_symbol_type | |
1032 | perf_pmu__parse_check(const char *name) | |
1033 | { | |
1034 | struct perf_pmu_event_symbol p, *r; | |
1035 | ||
1036 | /* scan kernel pmu events from sysfs if needed */ | |
1037 | if (perf_pmu_events_list_num == 0) | |
1038 | perf_pmu__parse_init(); | |
1039 | /* | |
1040 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
1041 | * cpu-cycles has been handled by hardcode. | |
1042 | * So it must be cpu// events, not kernel pmu event. | |
1043 | */ | |
1044 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
1045 | return PMU_EVENT_SYMBOL_ERR; | |
1046 | ||
1047 | p.symbol = strdup(name); | |
1048 | r = bsearch(&p, perf_pmu_events_list, | |
1049 | (size_t) perf_pmu_events_list_num, | |
1050 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1051 | free(p.symbol); | |
1052 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
1053 | } | |
1054 | ||
90e2b22d | 1055 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 1056 | { |
89812fc8 | 1057 | YY_BUFFER_STATE buffer; |
ac20de6f | 1058 | void *scanner; |
46010ab2 | 1059 | int ret; |
bcd3279f | 1060 | |
90e2b22d | 1061 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
1062 | if (ret) |
1063 | return ret; | |
1064 | ||
1065 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 1066 | |
82ba1f2f JO |
1067 | #ifdef PARSER_DEBUG |
1068 | parse_events_debug = 1; | |
1069 | #endif | |
ac20de6f ZY |
1070 | ret = parse_events_parse(data, scanner); |
1071 | ||
1072 | parse_events__flush_buffer(buffer, scanner); | |
1073 | parse_events__delete_buffer(buffer, scanner); | |
1074 | parse_events_lex_destroy(scanner); | |
1075 | return ret; | |
1076 | } | |
bcd3279f | 1077 | |
90e2b22d JO |
1078 | /* |
1079 | * parse event config string, return a list of event terms. | |
1080 | */ | |
1081 | int parse_events_terms(struct list_head *terms, const char *str) | |
1082 | { | |
23b6339b | 1083 | struct parse_events_terms data = { |
90e2b22d JO |
1084 | .terms = NULL, |
1085 | }; | |
1086 | int ret; | |
1087 | ||
1088 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1089 | if (!ret) { | |
1090 | list_splice(data.terms, terms); | |
74cf249d | 1091 | zfree(&data.terms); |
90e2b22d JO |
1092 | return 0; |
1093 | } | |
1094 | ||
b2c34fde AH |
1095 | if (data.terms) |
1096 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1097 | return ret; |
1098 | } | |
1099 | ||
b39b8393 JO |
1100 | int parse_events(struct perf_evlist *evlist, const char *str, |
1101 | struct parse_events_error *err) | |
ac20de6f | 1102 | { |
23b6339b | 1103 | struct parse_events_evlist data = { |
b39b8393 JO |
1104 | .list = LIST_HEAD_INIT(data.list), |
1105 | .idx = evlist->nr_entries, | |
1106 | .error = err, | |
ac20de6f ZY |
1107 | }; |
1108 | int ret; | |
bcd3279f | 1109 | |
90e2b22d | 1110 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1111 | perf_pmu__parse_cleanup(); |
89812fc8 | 1112 | if (!ret) { |
46010ab2 | 1113 | int entries = data.idx - evlist->nr_entries; |
15bfd2cc WN |
1114 | struct perf_evsel *last; |
1115 | ||
46010ab2 | 1116 | perf_evlist__splice_list_tail(evlist, &data.list, entries); |
97f63e4a | 1117 | evlist->nr_groups += data.nr_groups; |
15bfd2cc WN |
1118 | last = perf_evlist__last(evlist); |
1119 | last->cmdline_group_boundary = true; | |
1120 | ||
89812fc8 JO |
1121 | return 0; |
1122 | } | |
bcd3279f | 1123 | |
5d7be90e JO |
1124 | /* |
1125 | * There are 2 users - builtin-record and builtin-test objects. | |
1126 | * Both call perf_evlist__delete in case of error, so we dont | |
1127 | * need to bother. | |
1128 | */ | |
bcd3279f | 1129 | return ret; |
8ad8db37 IM |
1130 | } |
1131 | ||
b39b8393 JO |
1132 | #define MAX_WIDTH 1000 |
1133 | static int get_term_width(void) | |
1134 | { | |
1135 | struct winsize ws; | |
1136 | ||
1137 | get_term_dimensions(&ws); | |
1138 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
1139 | } | |
1140 | ||
1141 | static void parse_events_print_error(struct parse_events_error *err, | |
1142 | const char *event) | |
1143 | { | |
1144 | const char *str = "invalid or unsupported event: "; | |
1145 | char _buf[MAX_WIDTH]; | |
1146 | char *buf = (char *) event; | |
1147 | int idx = 0; | |
1148 | ||
1149 | if (err->str) { | |
1150 | /* -2 for extra '' in the final fprintf */ | |
1151 | int width = get_term_width() - 2; | |
1152 | int len_event = strlen(event); | |
1153 | int len_str, max_len, cut = 0; | |
1154 | ||
1155 | /* | |
1156 | * Maximum error index indent, we will cut | |
1157 | * the event string if it's bigger. | |
1158 | */ | |
1159 | int max_err_idx = 10; | |
1160 | ||
1161 | /* | |
1162 | * Let's be specific with the message when | |
1163 | * we have the precise error. | |
1164 | */ | |
1165 | str = "event syntax error: "; | |
1166 | len_str = strlen(str); | |
1167 | max_len = width - len_str; | |
1168 | ||
1169 | buf = _buf; | |
1170 | ||
1171 | /* We're cutting from the beggining. */ | |
1172 | if (err->idx > max_err_idx) | |
1173 | cut = err->idx - max_err_idx; | |
1174 | ||
1175 | strncpy(buf, event + cut, max_len); | |
1176 | ||
1177 | /* Mark cut parts with '..' on both sides. */ | |
1178 | if (cut) | |
1179 | buf[0] = buf[1] = '.'; | |
1180 | ||
1181 | if ((len_event - cut) > max_len) { | |
1182 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
1183 | buf[max_len] = 0; | |
1184 | } | |
1185 | ||
1186 | idx = len_str + err->idx - cut; | |
1187 | } | |
1188 | ||
1189 | fprintf(stderr, "%s'%s'\n", str, buf); | |
1190 | if (idx) { | |
1191 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); | |
1192 | if (err->help) | |
1193 | fprintf(stderr, "\n%s\n", err->help); | |
1194 | free(err->str); | |
1195 | free(err->help); | |
1196 | } | |
1197 | ||
1198 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1199 | } | |
1200 | ||
1201 | #undef MAX_WIDTH | |
1202 | ||
f120f9d5 | 1203 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1204 | int unset __maybe_unused) |
f120f9d5 JO |
1205 | { |
1206 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
b39b8393 JO |
1207 | struct parse_events_error err = { .idx = 0, }; |
1208 | int ret = parse_events(evlist, str, &err); | |
1209 | ||
1210 | if (ret) | |
1211 | parse_events_print_error(&err, str); | |
9175ce1f | 1212 | |
9175ce1f | 1213 | return ret; |
f120f9d5 JO |
1214 | } |
1215 | ||
4ba1faa1 WN |
1216 | static int |
1217 | foreach_evsel_in_last_glob(struct perf_evlist *evlist, | |
1218 | int (*func)(struct perf_evsel *evsel, | |
1219 | const void *arg), | |
1220 | const void *arg) | |
c171b552 | 1221 | { |
69aad6f1 | 1222 | struct perf_evsel *last = NULL; |
4ba1faa1 | 1223 | int err; |
c171b552 | 1224 | |
361c99a6 | 1225 | if (evlist->nr_entries > 0) |
0c21f736 | 1226 | last = perf_evlist__last(evlist); |
69aad6f1 | 1227 | |
15bfd2cc | 1228 | do { |
4ba1faa1 WN |
1229 | err = (*func)(last, arg); |
1230 | if (err) | |
15bfd2cc | 1231 | return -1; |
4ba1faa1 WN |
1232 | if (!last) |
1233 | return 0; | |
15bfd2cc WN |
1234 | |
1235 | if (last->node.prev == &evlist->entries) | |
1236 | return 0; | |
1237 | last = list_entry(last->node.prev, struct perf_evsel, node); | |
1238 | } while (!last->cmdline_group_boundary); | |
c171b552 LZ |
1239 | |
1240 | return 0; | |
1241 | } | |
1242 | ||
4ba1faa1 WN |
1243 | static int set_filter(struct perf_evsel *evsel, const void *arg) |
1244 | { | |
1245 | const char *str = arg; | |
1246 | ||
1247 | if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { | |
1248 | fprintf(stderr, | |
1249 | "--filter option should follow a -e tracepoint option\n"); | |
1250 | return -1; | |
1251 | } | |
1252 | ||
1253 | if (perf_evsel__append_filter(evsel, "&&", str) < 0) { | |
1254 | fprintf(stderr, | |
1255 | "not enough memory to hold filter string\n"); | |
1256 | return -1; | |
1257 | } | |
1258 | ||
1259 | return 0; | |
1260 | } | |
1261 | ||
1262 | int parse_filter(const struct option *opt, const char *str, | |
1263 | int unset __maybe_unused) | |
1264 | { | |
1265 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
1266 | ||
1267 | return foreach_evsel_in_last_glob(evlist, set_filter, | |
1268 | (const void *)str); | |
1269 | } | |
1270 | ||
1271 | static int add_exclude_perf_filter(struct perf_evsel *evsel, | |
1272 | const void *arg __maybe_unused) | |
1273 | { | |
1274 | char new_filter[64]; | |
1275 | ||
1276 | if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { | |
1277 | fprintf(stderr, | |
1278 | "--exclude-perf option should follow a -e tracepoint option\n"); | |
1279 | return -1; | |
1280 | } | |
1281 | ||
1282 | snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); | |
1283 | ||
1284 | if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) { | |
1285 | fprintf(stderr, | |
1286 | "not enough memory to hold filter string\n"); | |
1287 | return -1; | |
1288 | } | |
1289 | ||
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | int exclude_perf(const struct option *opt, | |
1294 | const char *arg __maybe_unused, | |
1295 | int unset __maybe_unused) | |
1296 | { | |
1297 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
1298 | ||
1299 | return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, | |
1300 | NULL); | |
1301 | } | |
1302 | ||
86847b62 | 1303 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1304 | "Hardware event", |
1305 | "Software event", | |
1306 | "Tracepoint event", | |
1307 | "Hardware cache event", | |
41bdcb23 LW |
1308 | "Raw hardware event descriptor", |
1309 | "Hardware breakpoint", | |
86847b62 TG |
1310 | }; |
1311 | ||
ab0e4800 YS |
1312 | static int cmp_string(const void *a, const void *b) |
1313 | { | |
1314 | const char * const *as = a; | |
1315 | const char * const *bs = b; | |
1316 | ||
1317 | return strcmp(*as, *bs); | |
1318 | } | |
1319 | ||
f6bdafef JB |
1320 | /* |
1321 | * Print the events from <debugfs_mount_point>/tracing/events | |
1322 | */ | |
1323 | ||
a3277d2d FW |
1324 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1325 | bool name_only) | |
f6bdafef JB |
1326 | { |
1327 | DIR *sys_dir, *evt_dir; | |
1328 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1329 | char evt_path[MAXPATHLEN]; |
725b1368 | 1330 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1331 | char **evt_list = NULL; |
1332 | unsigned int evt_i = 0, evt_num = 0; | |
1333 | bool evt_num_known = false; | |
f6bdafef | 1334 | |
ab0e4800 | 1335 | restart: |
ebf294bf | 1336 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1337 | if (!sys_dir) |
725b1368 | 1338 | return; |
6b58e7f1 | 1339 | |
ab0e4800 YS |
1340 | if (evt_num_known) { |
1341 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1342 | if (!evt_list) | |
1343 | goto out_close_sys_dir; | |
1344 | } | |
1345 | ||
6b58e7f1 | 1346 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1347 | if (subsys_glob != NULL && |
668b8788 ACM |
1348 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1349 | continue; | |
725b1368 | 1350 | |
ebf294bf | 1351 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1352 | sys_dirent.d_name); |
1353 | evt_dir = opendir(dir_path); | |
1354 | if (!evt_dir) | |
6b58e7f1 | 1355 | continue; |
725b1368 | 1356 | |
6b58e7f1 | 1357 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1358 | if (event_glob != NULL && |
668b8788 ACM |
1359 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1360 | continue; | |
1361 | ||
ab0e4800 YS |
1362 | if (!evt_num_known) { |
1363 | evt_num++; | |
a3277d2d FW |
1364 | continue; |
1365 | } | |
1366 | ||
f6bdafef JB |
1367 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1368 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1369 | |
1370 | evt_list[evt_i] = strdup(evt_path); | |
1371 | if (evt_list[evt_i] == NULL) | |
1372 | goto out_close_evt_dir; | |
1373 | evt_i++; | |
f6bdafef JB |
1374 | } |
1375 | closedir(evt_dir); | |
1376 | } | |
f6bdafef | 1377 | closedir(sys_dir); |
ab0e4800 YS |
1378 | |
1379 | if (!evt_num_known) { | |
1380 | evt_num_known = true; | |
1381 | goto restart; | |
1382 | } | |
1383 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1384 | evt_i = 0; | |
1385 | while (evt_i < evt_num) { | |
1386 | if (name_only) { | |
1387 | printf("%s ", evt_list[evt_i++]); | |
1388 | continue; | |
1389 | } | |
1390 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1391 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1392 | } | |
1393 | if (evt_num) | |
1394 | printf("\n"); | |
1395 | ||
1396 | out_free: | |
1397 | evt_num = evt_i; | |
1398 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1399 | zfree(&evt_list[evt_i]); | |
1400 | zfree(&evt_list); | |
1401 | return; | |
1402 | ||
1403 | out_close_evt_dir: | |
1404 | closedir(evt_dir); | |
1405 | out_close_sys_dir: | |
1406 | closedir(sys_dir); | |
1407 | ||
1408 | printf("FATAL: not enough memory to print %s\n", | |
1409 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1410 | if (evt_list) | |
1411 | goto out_free; | |
f6bdafef JB |
1412 | } |
1413 | ||
20c457b8 TR |
1414 | /* |
1415 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1416 | */ | |
1417 | ||
1418 | int is_valid_tracepoint(const char *event_string) | |
1419 | { | |
1420 | DIR *sys_dir, *evt_dir; | |
1421 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1422 | char evt_path[MAXPATHLEN]; | |
1423 | char dir_path[MAXPATHLEN]; | |
1424 | ||
ebf294bf | 1425 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1426 | if (!sys_dir) |
1427 | return 0; | |
1428 | ||
1429 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1430 | ||
ebf294bf | 1431 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1432 | sys_dirent.d_name); |
1433 | evt_dir = opendir(dir_path); | |
1434 | if (!evt_dir) | |
1435 | continue; | |
1436 | ||
1437 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1438 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1439 | sys_dirent.d_name, evt_dirent.d_name); | |
1440 | if (!strcmp(evt_path, event_string)) { | |
1441 | closedir(evt_dir); | |
1442 | closedir(sys_dir); | |
1443 | return 1; | |
1444 | } | |
1445 | } | |
1446 | closedir(evt_dir); | |
1447 | } | |
1448 | closedir(sys_dir); | |
1449 | return 0; | |
1450 | } | |
1451 | ||
b41f1cec NK |
1452 | static bool is_event_supported(u8 type, unsigned config) |
1453 | { | |
1454 | bool ret = true; | |
88fee52e | 1455 | int open_return; |
b41f1cec NK |
1456 | struct perf_evsel *evsel; |
1457 | struct perf_event_attr attr = { | |
1458 | .type = type, | |
1459 | .config = config, | |
1460 | .disabled = 1, | |
b41f1cec NK |
1461 | }; |
1462 | struct { | |
1463 | struct thread_map map; | |
1464 | int threads[1]; | |
1465 | } tmap = { | |
1466 | .map.nr = 1, | |
1467 | .threads = { 0 }, | |
1468 | }; | |
1469 | ||
ef503831 | 1470 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1471 | if (evsel) { |
88fee52e VW |
1472 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1473 | ret = open_return >= 0; | |
1474 | ||
1475 | if (open_return == -EACCES) { | |
1476 | /* | |
1477 | * This happens if the paranoid value | |
1478 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1479 | * Re-run with exclude_kernel set; we don't do that | |
1480 | * by default as some ARM machines do not support it. | |
1481 | * | |
1482 | */ | |
1483 | evsel->attr.exclude_kernel = 1; | |
1484 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1485 | } | |
b41f1cec NK |
1486 | perf_evsel__delete(evsel); |
1487 | } | |
1488 | ||
1489 | return ret; | |
1490 | } | |
1491 | ||
a3277d2d | 1492 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1493 | { |
ab0e4800 | 1494 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1495 | char name[64]; |
ab0e4800 YS |
1496 | char **evt_list = NULL; |
1497 | bool evt_num_known = false; | |
1498 | ||
1499 | restart: | |
1500 | if (evt_num_known) { | |
1501 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1502 | if (!evt_list) | |
1503 | goto out_enomem; | |
1504 | } | |
668b8788 ACM |
1505 | |
1506 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1507 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1508 | /* skip invalid cache type */ | |
0b668bc9 | 1509 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1510 | continue; |
1511 | ||
1512 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1513 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1514 | name, sizeof(name)); | |
947b4ad1 | 1515 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1516 | continue; |
1517 | ||
b41f1cec NK |
1518 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1519 | type | (op << 8) | (i << 16))) | |
1520 | continue; | |
1521 | ||
ab0e4800 YS |
1522 | if (!evt_num_known) { |
1523 | evt_num++; | |
1524 | continue; | |
1525 | } | |
1526 | ||
1527 | evt_list[evt_i] = strdup(name); | |
1528 | if (evt_list[evt_i] == NULL) | |
1529 | goto out_enomem; | |
1530 | evt_i++; | |
668b8788 ACM |
1531 | } |
1532 | } | |
1533 | } | |
1534 | ||
ab0e4800 YS |
1535 | if (!evt_num_known) { |
1536 | evt_num_known = true; | |
1537 | goto restart; | |
1538 | } | |
1539 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1540 | evt_i = 0; | |
1541 | while (evt_i < evt_num) { | |
1542 | if (name_only) { | |
1543 | printf("%s ", evt_list[evt_i++]); | |
1544 | continue; | |
1545 | } | |
1546 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1547 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1548 | } | |
1549 | if (evt_num) | |
dc098b35 | 1550 | printf("\n"); |
ab0e4800 YS |
1551 | |
1552 | out_free: | |
1553 | evt_num = evt_i; | |
1554 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1555 | zfree(&evt_list[evt_i]); | |
1556 | zfree(&evt_list); | |
1557 | return evt_num; | |
1558 | ||
1559 | out_enomem: | |
1560 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1561 | if (evt_list) | |
1562 | goto out_free; | |
1563 | return evt_num; | |
668b8788 ACM |
1564 | } |
1565 | ||
705750f2 | 1566 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1567 | struct event_symbol *syms, unsigned max, |
1568 | bool name_only) | |
8ad8db37 | 1569 | { |
ab0e4800 | 1570 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1571 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1572 | char **evt_list = NULL; |
1573 | bool evt_num_known = false; | |
1574 | ||
1575 | restart: | |
1576 | if (evt_num_known) { | |
1577 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1578 | if (!evt_list) | |
1579 | goto out_enomem; | |
1580 | syms -= max; | |
1581 | } | |
8ad8db37 | 1582 | |
1dc12760 | 1583 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1584 | |
48000a1a | 1585 | if (event_glob != NULL && |
668b8788 ACM |
1586 | !(strglobmatch(syms->symbol, event_glob) || |
1587 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1588 | continue; | |
8ad8db37 | 1589 | |
b41f1cec NK |
1590 | if (!is_event_supported(type, i)) |
1591 | continue; | |
1592 | ||
ab0e4800 YS |
1593 | if (!evt_num_known) { |
1594 | evt_num++; | |
a3277d2d FW |
1595 | continue; |
1596 | } | |
1597 | ||
ab0e4800 | 1598 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1599 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1600 | else |
947b4ad1 | 1601 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1602 | |
ab0e4800 YS |
1603 | evt_list[evt_i] = strdup(name); |
1604 | if (evt_list[evt_i] == NULL) | |
1605 | goto out_enomem; | |
1606 | evt_i++; | |
8ad8db37 IM |
1607 | } |
1608 | ||
ab0e4800 YS |
1609 | if (!evt_num_known) { |
1610 | evt_num_known = true; | |
1611 | goto restart; | |
1612 | } | |
1613 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1614 | evt_i = 0; | |
1615 | while (evt_i < evt_num) { | |
1616 | if (name_only) { | |
1617 | printf("%s ", evt_list[evt_i++]); | |
1618 | continue; | |
1619 | } | |
1620 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1621 | } | |
1622 | if (evt_num) | |
668b8788 | 1623 | printf("\n"); |
ab0e4800 YS |
1624 | |
1625 | out_free: | |
1626 | evt_num = evt_i; | |
1627 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1628 | zfree(&evt_list[evt_i]); | |
1629 | zfree(&evt_list); | |
1630 | return; | |
1631 | ||
1632 | out_enomem: | |
1633 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1634 | if (evt_list) | |
1635 | goto out_free; | |
1dc12760 JO |
1636 | } |
1637 | ||
1638 | /* | |
1639 | * Print the help text for the event symbols: | |
1640 | */ | |
a3277d2d | 1641 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1642 | { |
1dc12760 | 1643 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1644 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1645 | |
1646 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1647 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1648 | |
a3277d2d | 1649 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1650 | |
dc098b35 AK |
1651 | print_pmu_events(event_glob, name_only); |
1652 | ||
668b8788 ACM |
1653 | if (event_glob != NULL) |
1654 | return; | |
73c24cb8 | 1655 | |
a3277d2d | 1656 | if (!name_only) { |
a3277d2d FW |
1657 | printf(" %-50s [%s]\n", |
1658 | "rNNN", | |
1659 | event_type_descriptors[PERF_TYPE_RAW]); | |
1660 | printf(" %-50s [%s]\n", | |
1661 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1662 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1663 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1664 | printf("\n"); |
1665 | ||
1666 | printf(" %-50s [%s]\n", | |
3741eb9f | 1667 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1668 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1669 | printf("\n"); |
1670 | } | |
1b290d67 | 1671 | |
a3277d2d | 1672 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1673 | } |
8f707d84 | 1674 | |
6cee6cd3 | 1675 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1676 | { |
16fa7e82 | 1677 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1678 | } |
1679 | ||
6cee6cd3 | 1680 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1681 | int type_term, char *config, |
cecf3a2e | 1682 | char *str, u64 num, int err_term, int err_val) |
8f707d84 | 1683 | { |
6cee6cd3 | 1684 | struct parse_events_term *term; |
8f707d84 JO |
1685 | |
1686 | term = zalloc(sizeof(*term)); | |
1687 | if (!term) | |
1688 | return -ENOMEM; | |
1689 | ||
1690 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1691 | term->type_val = type_val; |
1692 | term->type_term = type_term; | |
8f707d84 | 1693 | term->config = config; |
cecf3a2e JO |
1694 | term->err_term = err_term; |
1695 | term->err_val = err_val; | |
8f707d84 | 1696 | |
16fa7e82 | 1697 | switch (type_val) { |
8f707d84 JO |
1698 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1699 | term->val.num = num; | |
1700 | break; | |
1701 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1702 | term->val.str = str; | |
1703 | break; | |
1704 | default: | |
4be8be6b | 1705 | free(term); |
8f707d84 JO |
1706 | return -EINVAL; |
1707 | } | |
1708 | ||
1709 | *_term = term; | |
1710 | return 0; | |
1711 | } | |
1712 | ||
6cee6cd3 | 1713 | int parse_events_term__num(struct parse_events_term **term, |
cecf3a2e | 1714 | int type_term, char *config, u64 num, |
bb78ce7d | 1715 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1716 | { |
bb78ce7d AH |
1717 | YYLTYPE *loc_term = loc_term_; |
1718 | YYLTYPE *loc_val = loc_val_; | |
1719 | ||
16fa7e82 | 1720 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, |
cecf3a2e JO |
1721 | config, NULL, num, |
1722 | loc_term ? loc_term->first_column : 0, | |
1723 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1724 | } |
1725 | ||
6cee6cd3 | 1726 | int parse_events_term__str(struct parse_events_term **term, |
cecf3a2e | 1727 | int type_term, char *config, char *str, |
bb78ce7d | 1728 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1729 | { |
bb78ce7d AH |
1730 | YYLTYPE *loc_term = loc_term_; |
1731 | YYLTYPE *loc_val = loc_val_; | |
1732 | ||
16fa7e82 | 1733 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, |
cecf3a2e JO |
1734 | config, str, 0, |
1735 | loc_term ? loc_term->first_column : 0, | |
1736 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1737 | } |
1738 | ||
6cee6cd3 | 1739 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1740 | char *config, unsigned idx) |
1741 | { | |
1742 | struct event_symbol *sym; | |
1743 | ||
1744 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1745 | sym = &event_symbols_hw[idx]; | |
1746 | ||
1747 | if (config) | |
1748 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1749 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
cecf3a2e | 1750 | (char *) sym->symbol, 0, 0, 0); |
1d33d6dc JO |
1751 | else |
1752 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1753 | PARSE_EVENTS__TERM_TYPE_USER, | |
cecf3a2e JO |
1754 | (char *) "event", (char *) sym->symbol, |
1755 | 0, 0, 0); | |
1d33d6dc JO |
1756 | } |
1757 | ||
6cee6cd3 ACM |
1758 | int parse_events_term__clone(struct parse_events_term **new, |
1759 | struct parse_events_term *term) | |
a6146d50 ZY |
1760 | { |
1761 | return new_term(new, term->type_val, term->type_term, term->config, | |
cecf3a2e JO |
1762 | term->val.str, term->val.num, |
1763 | term->err_term, term->err_val); | |
a6146d50 ZY |
1764 | } |
1765 | ||
8f707d84 JO |
1766 | void parse_events__free_terms(struct list_head *terms) |
1767 | { | |
6cee6cd3 | 1768 | struct parse_events_term *term, *h; |
8f707d84 JO |
1769 | |
1770 | list_for_each_entry_safe(term, h, terms, list) | |
1771 | free(term); | |
8f707d84 | 1772 | } |
b39b8393 JO |
1773 | |
1774 | void parse_events_evlist_error(struct parse_events_evlist *data, | |
1775 | int idx, const char *str) | |
1776 | { | |
1777 | struct parse_events_error *err = data->error; | |
1778 | ||
a6ced2be AH |
1779 | if (!err) |
1780 | return; | |
b39b8393 JO |
1781 | err->idx = idx; |
1782 | err->str = strdup(str); | |
1783 | WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); | |
1784 | } |