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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" |
b39b8393 | 20 | #include "asm/bug.h" |
89812fc8 JO |
21 | |
22 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 23 | |
82ba1f2f JO |
24 | #ifdef PARSER_DEBUG |
25 | extern int parse_events_debug; | |
26 | #endif | |
ac20de6f | 27 | int parse_events_parse(void *data, void *scanner); |
cecf3a2e JO |
28 | int parse_events_term__num(struct parse_events_term **term, |
29 | int type_term, char *config, u64 num, | |
30 | YYLTYPE *loc_term, YYLTYPE *loc_val); | |
31 | int parse_events_term__str(struct parse_events_term **term, | |
32 | int type_term, char *config, char *str, | |
33 | YYLTYPE *loc_term, YYLTYPE *loc_val); | |
bcd3279f | 34 | |
dcb4e102 KL |
35 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
36 | /* | |
37 | * The variable indicates the number of supported pmu event symbols. | |
38 | * 0 means not initialized and ready to init | |
39 | * -1 means failed to init, don't try anymore | |
40 | * >0 is the number of supported pmu event symbols | |
41 | */ | |
42 | static int perf_pmu_events_list_num; | |
43 | ||
705750f2 | 44 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
45 | [PERF_COUNT_HW_CPU_CYCLES] = { |
46 | .symbol = "cpu-cycles", | |
47 | .alias = "cycles", | |
48 | }, | |
49 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
50 | .symbol = "instructions", | |
51 | .alias = "", | |
52 | }, | |
53 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
54 | .symbol = "cache-references", | |
55 | .alias = "", | |
56 | }, | |
57 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
58 | .symbol = "cache-misses", | |
59 | .alias = "", | |
60 | }, | |
61 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
62 | .symbol = "branch-instructions", | |
63 | .alias = "branches", | |
64 | }, | |
65 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
66 | .symbol = "branch-misses", | |
67 | .alias = "", | |
68 | }, | |
69 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
70 | .symbol = "bus-cycles", | |
71 | .alias = "", | |
72 | }, | |
73 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
74 | .symbol = "stalled-cycles-frontend", | |
75 | .alias = "idle-cycles-frontend", | |
76 | }, | |
77 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
78 | .symbol = "stalled-cycles-backend", | |
79 | .alias = "idle-cycles-backend", | |
80 | }, | |
81 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
82 | .symbol = "ref-cycles", | |
83 | .alias = "", | |
84 | }, | |
85 | }; | |
86 | ||
705750f2 | 87 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
88 | [PERF_COUNT_SW_CPU_CLOCK] = { |
89 | .symbol = "cpu-clock", | |
90 | .alias = "", | |
91 | }, | |
92 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
93 | .symbol = "task-clock", | |
94 | .alias = "", | |
95 | }, | |
96 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
97 | .symbol = "page-faults", | |
98 | .alias = "faults", | |
99 | }, | |
100 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
101 | .symbol = "context-switches", | |
102 | .alias = "cs", | |
103 | }, | |
104 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
105 | .symbol = "cpu-migrations", | |
106 | .alias = "migrations", | |
107 | }, | |
108 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
109 | .symbol = "minor-faults", | |
110 | .alias = "", | |
111 | }, | |
112 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
113 | .symbol = "major-faults", | |
114 | .alias = "", | |
115 | }, | |
116 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
117 | .symbol = "alignment-faults", | |
118 | .alias = "", | |
119 | }, | |
120 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
121 | .symbol = "emulation-faults", | |
122 | .alias = "", | |
123 | }, | |
d22d1a2a AH |
124 | [PERF_COUNT_SW_DUMMY] = { |
125 | .symbol = "dummy", | |
126 | .alias = "", | |
127 | }, | |
8ad8db37 IM |
128 | }; |
129 | ||
cdd6c482 IM |
130 | #define __PERF_EVENT_FIELD(config, name) \ |
131 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 132 | |
1fc570ad | 133 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 134 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 135 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 136 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 137 | |
6b58e7f1 | 138 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 139 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 140 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
141 | (strcmp(sys_dirent.d_name, ".")) && \ |
142 | (strcmp(sys_dirent.d_name, ".."))) | |
143 | ||
ae07b63f PZ |
144 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
145 | { | |
146 | char evt_path[MAXPATHLEN]; | |
147 | int fd; | |
148 | ||
ebf294bf | 149 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
150 | sys_dir->d_name, evt_dir->d_name); |
151 | fd = open(evt_path, O_RDONLY); | |
152 | if (fd < 0) | |
153 | return -EINVAL; | |
154 | close(fd); | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
6b58e7f1 | 159 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 160 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 161 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 162 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
163 | (strcmp(evt_dirent.d_name, "..")) && \ |
164 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 165 | |
270bbbe8 | 166 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 167 | |
f6bdafef | 168 | |
1ef2ed10 | 169 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 170 | { |
1ef2ed10 | 171 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
172 | DIR *sys_dir, *evt_dir; |
173 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 174 | char id_buf[24]; |
725b1368 | 175 | int fd; |
f6bdafef JB |
176 | u64 id; |
177 | char evt_path[MAXPATHLEN]; | |
725b1368 | 178 | char dir_path[MAXPATHLEN]; |
f6bdafef | 179 | |
ebf294bf | 180 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 181 | if (!sys_dir) |
725b1368 | 182 | return NULL; |
6b58e7f1 UD |
183 | |
184 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 185 | |
ebf294bf | 186 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
187 | sys_dirent.d_name); |
188 | evt_dir = opendir(dir_path); | |
189 | if (!evt_dir) | |
6b58e7f1 | 190 | continue; |
725b1368 | 191 | |
6b58e7f1 | 192 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
193 | |
194 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 195 | evt_dirent.d_name); |
725b1368 | 196 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
197 | if (fd < 0) |
198 | continue; | |
199 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
200 | close(fd); | |
201 | continue; | |
202 | } | |
203 | close(fd); | |
204 | id = atoll(id_buf); | |
205 | if (id == config) { | |
206 | closedir(evt_dir); | |
207 | closedir(sys_dir); | |
59b4caeb | 208 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
209 | path->system = malloc(MAX_EVENT_LENGTH); |
210 | if (!path->system) { | |
211 | free(path); | |
212 | return NULL; | |
213 | } | |
214 | path->name = malloc(MAX_EVENT_LENGTH); | |
215 | if (!path->name) { | |
74cf249d | 216 | zfree(&path->system); |
1ef2ed10 FW |
217 | free(path); |
218 | return NULL; | |
219 | } | |
220 | strncpy(path->system, sys_dirent.d_name, | |
221 | MAX_EVENT_LENGTH); | |
222 | strncpy(path->name, evt_dirent.d_name, | |
223 | MAX_EVENT_LENGTH); | |
224 | return path; | |
f6bdafef JB |
225 | } |
226 | } | |
227 | closedir(evt_dir); | |
228 | } | |
229 | ||
f6bdafef | 230 | closedir(sys_dir); |
1ef2ed10 FW |
231 | return NULL; |
232 | } | |
233 | ||
e7c93f09 NK |
234 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
235 | { | |
236 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
237 | char *str = strchr(name, ':'); | |
238 | ||
239 | if (path == NULL || str == NULL) { | |
240 | free(path); | |
241 | return NULL; | |
242 | } | |
243 | ||
244 | path->system = strndup(name, str - name); | |
245 | path->name = strdup(str+1); | |
246 | ||
247 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
248 | zfree(&path->system); |
249 | zfree(&path->name); | |
e7c93f09 NK |
250 | free(path); |
251 | path = NULL; | |
252 | } | |
253 | ||
254 | return path; | |
255 | } | |
256 | ||
1424dc96 DA |
257 | const char *event_type(int type) |
258 | { | |
259 | switch (type) { | |
260 | case PERF_TYPE_HARDWARE: | |
261 | return "hardware"; | |
262 | ||
263 | case PERF_TYPE_SOFTWARE: | |
264 | return "software"; | |
265 | ||
266 | case PERF_TYPE_TRACEPOINT: | |
267 | return "tracepoint"; | |
268 | ||
269 | case PERF_TYPE_HW_CACHE: | |
270 | return "hardware-cache"; | |
271 | ||
272 | default: | |
273 | break; | |
274 | } | |
275 | ||
276 | return "unknown"; | |
277 | } | |
278 | ||
7ae92e74 YZ |
279 | |
280 | ||
410136f5 SE |
281 | static struct perf_evsel * |
282 | __add_event(struct list_head *list, int *idx, | |
283 | struct perf_event_attr *attr, | |
284 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
285 | { |
286 | struct perf_evsel *evsel; | |
287 | ||
288 | event_attr_init(attr); | |
289 | ||
ef503831 | 290 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 291 | if (!evsel) |
410136f5 | 292 | return NULL; |
89812fc8 | 293 | |
7ae92e74 | 294 | evsel->cpus = cpus; |
9db1763c ACM |
295 | if (name) |
296 | evsel->name = strdup(name); | |
b847cbdc | 297 | list_add_tail(&evsel->node, list); |
410136f5 | 298 | return evsel; |
89812fc8 JO |
299 | } |
300 | ||
c5cd8ac0 | 301 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
302 | struct perf_event_attr *attr, char *name) |
303 | { | |
410136f5 | 304 | return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
7ae92e74 YZ |
305 | } |
306 | ||
0b668bc9 | 307 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
308 | { |
309 | int i, j; | |
61c45981 | 310 | int n, longest = -1; |
8326f44d IM |
311 | |
312 | for (i = 0; i < size; i++) { | |
0b668bc9 | 313 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 314 | n = strlen(names[i][j]); |
89812fc8 | 315 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
316 | longest = n; |
317 | } | |
89812fc8 | 318 | if (longest > 0) |
61c45981 | 319 | return i; |
8326f44d IM |
320 | } |
321 | ||
8953645f | 322 | return -1; |
8326f44d IM |
323 | } |
324 | ||
c5cd8ac0 | 325 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 326 | char *type, char *op_result1, char *op_result2) |
8326f44d | 327 | { |
89812fc8 JO |
328 | struct perf_event_attr attr; |
329 | char name[MAX_NAME_LEN]; | |
61c45981 | 330 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
331 | char *op_result[2] = { op_result1, op_result2 }; |
332 | int i, n; | |
8326f44d | 333 | |
8326f44d IM |
334 | /* |
335 | * No fallback - if we cannot get a clear cache type | |
336 | * then bail out: | |
337 | */ | |
0b668bc9 | 338 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 339 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 340 | if (cache_type == -1) |
89812fc8 JO |
341 | return -EINVAL; |
342 | ||
343 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 344 | |
89812fc8 JO |
345 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
346 | char *str = op_result[i]; | |
347 | ||
275ef387 | 348 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
349 | |
350 | if (cache_op == -1) { | |
0b668bc9 | 351 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 352 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 353 | if (cache_op >= 0) { |
0b668bc9 | 354 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 355 | return -EINVAL; |
61c45981 PM |
356 | continue; |
357 | } | |
358 | } | |
359 | ||
360 | if (cache_result == -1) { | |
0b668bc9 ACM |
361 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
362 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
363 | if (cache_result >= 0) |
364 | continue; | |
365 | } | |
61c45981 | 366 | } |
8326f44d | 367 | |
8326f44d IM |
368 | /* |
369 | * Fall back to reads: | |
370 | */ | |
8953645f IM |
371 | if (cache_op == -1) |
372 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 373 | |
8326f44d IM |
374 | /* |
375 | * Fall back to accesses: | |
376 | */ | |
377 | if (cache_result == -1) | |
378 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
379 | ||
89812fc8 JO |
380 | memset(&attr, 0, sizeof(attr)); |
381 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
382 | attr.type = PERF_TYPE_HW_CACHE; | |
383 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
384 | } |
385 | ||
c5cd8ac0 | 386 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 387 | char *sys_name, char *evt_name) |
bcd3279f | 388 | { |
82fe1c29 | 389 | struct perf_evsel *evsel; |
bcd3279f | 390 | |
ef503831 | 391 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 392 | if (!evsel) |
82fe1c29 | 393 | return -ENOMEM; |
bcd3279f | 394 | |
82fe1c29 | 395 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 396 | |
82fe1c29 | 397 | return 0; |
8326f44d IM |
398 | } |
399 | ||
c5cd8ac0 | 400 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 401 | char *sys_name, char *evt_name) |
bcd3279f FW |
402 | { |
403 | char evt_path[MAXPATHLEN]; | |
404 | struct dirent *evt_ent; | |
405 | DIR *evt_dir; | |
89812fc8 | 406 | int ret = 0; |
bcd3279f | 407 | |
ebf294bf | 408 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 409 | evt_dir = opendir(evt_path); |
bcd3279f FW |
410 | if (!evt_dir) { |
411 | perror("Can't open event dir"); | |
89812fc8 | 412 | return -1; |
bcd3279f FW |
413 | } |
414 | ||
89812fc8 | 415 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
416 | if (!strcmp(evt_ent->d_name, ".") |
417 | || !strcmp(evt_ent->d_name, "..") | |
418 | || !strcmp(evt_ent->d_name, "enable") | |
419 | || !strcmp(evt_ent->d_name, "filter")) | |
420 | continue; | |
421 | ||
89812fc8 | 422 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
423 | continue; |
424 | ||
89812fc8 | 425 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
426 | } |
427 | ||
0bd3f084 | 428 | closedir(evt_dir); |
89812fc8 | 429 | return ret; |
bcd3279f FW |
430 | } |
431 | ||
c5cd8ac0 | 432 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
433 | char *sys_name, char *evt_name) |
434 | { | |
435 | return strpbrk(evt_name, "*?") ? | |
436 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
437 | add_tracepoint(list, idx, sys_name, evt_name); | |
438 | } | |
439 | ||
c5cd8ac0 | 440 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
441 | char *sys_name, char *evt_name) |
442 | { | |
443 | struct dirent *events_ent; | |
444 | DIR *events_dir; | |
445 | int ret = 0; | |
446 | ||
447 | events_dir = opendir(tracing_events_path); | |
448 | if (!events_dir) { | |
449 | perror("Can't open event dir"); | |
450 | return -1; | |
451 | } | |
452 | ||
453 | while (!ret && (events_ent = readdir(events_dir))) { | |
454 | if (!strcmp(events_ent->d_name, ".") | |
455 | || !strcmp(events_ent->d_name, "..") | |
456 | || !strcmp(events_ent->d_name, "enable") | |
457 | || !strcmp(events_ent->d_name, "header_event") | |
458 | || !strcmp(events_ent->d_name, "header_page")) | |
459 | continue; | |
460 | ||
461 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
462 | continue; | |
463 | ||
464 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
465 | evt_name); | |
466 | } | |
467 | ||
468 | closedir(events_dir); | |
469 | return ret; | |
470 | } | |
471 | ||
c5cd8ac0 | 472 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 473 | char *sys, char *event) |
f6bdafef | 474 | { |
f35488f9 JO |
475 | if (strpbrk(sys, "*?")) |
476 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
477 | else | |
478 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
479 | } |
480 | ||
89812fc8 JO |
481 | static int |
482 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
483 | { |
484 | int i; | |
485 | ||
486 | for (i = 0; i < 3; i++) { | |
89812fc8 | 487 | if (!type || !type[i]) |
1b290d67 FW |
488 | break; |
489 | ||
7582732f JO |
490 | #define CHECK_SET_TYPE(bit) \ |
491 | do { \ | |
492 | if (attr->bp_type & bit) \ | |
493 | return -EINVAL; \ | |
494 | else \ | |
495 | attr->bp_type |= bit; \ | |
496 | } while (0) | |
497 | ||
1b290d67 FW |
498 | switch (type[i]) { |
499 | case 'r': | |
7582732f | 500 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
501 | break; |
502 | case 'w': | |
7582732f | 503 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
504 | break; |
505 | case 'x': | |
7582732f | 506 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
507 | break; |
508 | default: | |
89812fc8 | 509 | return -EINVAL; |
1b290d67 FW |
510 | } |
511 | } | |
89812fc8 | 512 | |
7582732f JO |
513 | #undef CHECK_SET_TYPE |
514 | ||
1b290d67 FW |
515 | if (!attr->bp_type) /* Default */ |
516 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
517 | ||
89812fc8 | 518 | return 0; |
1b290d67 FW |
519 | } |
520 | ||
c5cd8ac0 | 521 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 522 | void *ptr, char *type, u64 len) |
1b290d67 | 523 | { |
89812fc8 | 524 | struct perf_event_attr attr; |
1b290d67 | 525 | |
89812fc8 | 526 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 527 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 528 | |
89812fc8 JO |
529 | if (parse_breakpoint_type(type, &attr)) |
530 | return -EINVAL; | |
1b290d67 | 531 | |
3741eb9f JS |
532 | /* Provide some defaults if len is not specified */ |
533 | if (!len) { | |
534 | if (attr.bp_type == HW_BREAKPOINT_X) | |
535 | len = sizeof(long); | |
536 | else | |
537 | len = HW_BREAKPOINT_LEN_4; | |
538 | } | |
539 | ||
540 | attr.bp_len = len; | |
61c45981 | 541 | |
89812fc8 | 542 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 543 | attr.sample_period = 1; |
b908debd | 544 | |
287e74aa | 545 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
546 | } |
547 | ||
3b0e371c JO |
548 | static int check_type_val(struct parse_events_term *term, |
549 | struct parse_events_error *err, | |
550 | int type) | |
551 | { | |
552 | if (type == term->type_val) | |
553 | return 0; | |
554 | ||
555 | if (err) { | |
556 | err->idx = term->err_val; | |
557 | if (type == PARSE_EVENTS__TERM_TYPE_NUM) | |
558 | err->str = strdup("expected numeric value"); | |
559 | else | |
560 | err->str = strdup("expected string value"); | |
561 | } | |
562 | return -EINVAL; | |
563 | } | |
564 | ||
8f707d84 | 565 | static int config_term(struct perf_event_attr *attr, |
3b0e371c JO |
566 | struct parse_events_term *term, |
567 | struct parse_events_error *err) | |
8f707d84 | 568 | { |
3b0e371c JO |
569 | #define CHECK_TYPE_VAL(type) \ |
570 | do { \ | |
571 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
572 | return -EINVAL; \ | |
16fa7e82 JO |
573 | } while (0) |
574 | ||
575 | switch (term->type_term) { | |
c056ba6a JO |
576 | case PARSE_EVENTS__TERM_TYPE_USER: |
577 | /* | |
578 | * Always succeed for sysfs terms, as we dont know | |
579 | * at this point what type they need to have. | |
580 | */ | |
581 | return 0; | |
8f707d84 | 582 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 583 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
584 | attr->config = term->val.num; |
585 | break; | |
586 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 587 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
588 | attr->config1 = term->val.num; |
589 | break; | |
590 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 591 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
592 | attr->config2 = term->val.num; |
593 | break; | |
594 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 595 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
596 | attr->sample_period = term->val.num; |
597 | break; | |
598 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
599 | /* | |
600 | * TODO uncomment when the field is available | |
601 | * attr->branch_sample_type = term->val.num; | |
602 | */ | |
603 | break; | |
6b5fc39b JO |
604 | case PARSE_EVENTS__TERM_TYPE_NAME: |
605 | CHECK_TYPE_VAL(STR); | |
606 | break; | |
8f707d84 JO |
607 | default: |
608 | return -EINVAL; | |
609 | } | |
16fa7e82 | 610 | |
8f707d84 | 611 | return 0; |
16fa7e82 | 612 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
613 | } |
614 | ||
615 | static int config_attr(struct perf_event_attr *attr, | |
3b0e371c JO |
616 | struct list_head *head, |
617 | struct parse_events_error *err) | |
8f707d84 | 618 | { |
6cee6cd3 | 619 | struct parse_events_term *term; |
8f707d84 JO |
620 | |
621 | list_for_each_entry(term, head, list) | |
3b0e371c | 622 | if (config_term(attr, term, err)) |
8f707d84 JO |
623 | return -EINVAL; |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
c5cd8ac0 | 628 | int parse_events_add_numeric(struct list_head *list, int *idx, |
b527bab5 | 629 | u32 type, u64 config, |
8f707d84 | 630 | struct list_head *head_config) |
8ad8db37 | 631 | { |
89812fc8 | 632 | struct perf_event_attr attr; |
61c45981 | 633 | |
89812fc8 JO |
634 | memset(&attr, 0, sizeof(attr)); |
635 | attr.type = type; | |
636 | attr.config = config; | |
8f707d84 JO |
637 | |
638 | if (head_config && | |
3b0e371c | 639 | config_attr(&attr, head_config, NULL)) |
8f707d84 JO |
640 | return -EINVAL; |
641 | ||
9db1763c | 642 | return add_event(list, idx, &attr, NULL); |
61c45981 | 643 | } |
8ad8db37 | 644 | |
6cee6cd3 | 645 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
646 | { |
647 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
648 | } | |
649 | ||
9db1763c | 650 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 651 | { |
6cee6cd3 | 652 | struct parse_events_term *term; |
6b5fc39b JO |
653 | |
654 | list_for_each_entry(term, head_terms, list) | |
655 | if (parse_events__is_name_term(term)) | |
656 | return term->val.str; | |
657 | ||
9db1763c | 658 | return NULL; |
6b5fc39b JO |
659 | } |
660 | ||
36adec85 JO |
661 | int parse_events_add_pmu(struct parse_events_evlist *data, |
662 | struct list_head *list, char *name, | |
663 | struct list_head *head_config) | |
5f537a26 JO |
664 | { |
665 | struct perf_event_attr attr; | |
46441bdc | 666 | struct perf_pmu_info info; |
5f537a26 | 667 | struct perf_pmu *pmu; |
410136f5 | 668 | struct perf_evsel *evsel; |
5f537a26 JO |
669 | |
670 | pmu = perf_pmu__find(name); | |
671 | if (!pmu) | |
672 | return -EINVAL; | |
673 | ||
dc0a6202 AH |
674 | if (pmu->default_config) { |
675 | memcpy(&attr, pmu->default_config, | |
676 | sizeof(struct perf_event_attr)); | |
677 | } else { | |
678 | memset(&attr, 0, sizeof(attr)); | |
679 | } | |
5f537a26 | 680 | |
ad962273 AH |
681 | if (!head_config) { |
682 | attr.type = pmu->type; | |
36adec85 | 683 | evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus); |
ad962273 AH |
684 | return evsel ? 0 : -ENOMEM; |
685 | } | |
686 | ||
46441bdc | 687 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
688 | return -EINVAL; |
689 | ||
5f537a26 JO |
690 | /* |
691 | * Configure hardcoded terms first, no need to check | |
692 | * return value when called with fail == 0 ;) | |
693 | */ | |
3b0e371c | 694 | if (config_attr(&attr, head_config, data->error)) |
c056ba6a | 695 | return -EINVAL; |
5f537a26 | 696 | |
e64b020b | 697 | if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
5f537a26 JO |
698 | return -EINVAL; |
699 | ||
36adec85 JO |
700 | evsel = __add_event(list, &data->idx, &attr, |
701 | pmu_event_name(head_config), pmu->cpus); | |
410136f5 | 702 | if (evsel) { |
46441bdc MF |
703 | evsel->unit = info.unit; |
704 | evsel->scale = info.scale; | |
044330c1 | 705 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 706 | evsel->snapshot = info.snapshot; |
410136f5 SE |
707 | } |
708 | ||
709 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
710 | } |
711 | ||
6a4bb04c JO |
712 | int parse_events__modifier_group(struct list_head *list, |
713 | char *event_mod) | |
89efb029 | 714 | { |
6a4bb04c JO |
715 | return parse_events__modifier_event(list, event_mod, true); |
716 | } | |
717 | ||
63dab225 | 718 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
719 | { |
720 | struct perf_evsel *leader; | |
721 | ||
63dab225 ACM |
722 | __perf_evlist__set_leader(list); |
723 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 724 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
725 | } |
726 | ||
c5cd8ac0 | 727 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
728 | void parse_events_update_lists(struct list_head *list_event, |
729 | struct list_head *list_all) | |
730 | { | |
731 | /* | |
732 | * Called for single event definition. Update the | |
89efb029 | 733 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
734 | * list, for next event definition. |
735 | */ | |
736 | list_splice_tail(list_event, list_all); | |
b847cbdc | 737 | free(list_event); |
5d7be90e JO |
738 | } |
739 | ||
f5b1135b JO |
740 | struct event_modifier { |
741 | int eu; | |
742 | int ek; | |
743 | int eh; | |
744 | int eH; | |
745 | int eG; | |
a1e12da4 | 746 | int eI; |
f5b1135b JO |
747 | int precise; |
748 | int exclude_GH; | |
3c176311 | 749 | int sample_read; |
e9a7c414 | 750 | int pinned; |
f5b1135b JO |
751 | }; |
752 | ||
753 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
754 | struct perf_evsel *evsel) | |
61c45981 | 755 | { |
f5b1135b JO |
756 | int eu = evsel ? evsel->attr.exclude_user : 0; |
757 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
758 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
759 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
760 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 761 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 762 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 763 | int sample_read = 0; |
e9a7c414 | 764 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 765 | |
f5b1135b JO |
766 | int exclude = eu | ek | eh; |
767 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
768 | ||
f5b1135b | 769 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 770 | |
61c45981 | 771 | while (*str) { |
ab608344 PZ |
772 | if (*str == 'u') { |
773 | if (!exclude) | |
774 | exclude = eu = ek = eh = 1; | |
61c45981 | 775 | eu = 0; |
ab608344 PZ |
776 | } else if (*str == 'k') { |
777 | if (!exclude) | |
778 | exclude = eu = ek = eh = 1; | |
61c45981 | 779 | ek = 0; |
ab608344 PZ |
780 | } else if (*str == 'h') { |
781 | if (!exclude) | |
782 | exclude = eu = ek = eh = 1; | |
61c45981 | 783 | eh = 0; |
99320cc8 JR |
784 | } else if (*str == 'G') { |
785 | if (!exclude_GH) | |
786 | exclude_GH = eG = eH = 1; | |
787 | eG = 0; | |
788 | } else if (*str == 'H') { | |
789 | if (!exclude_GH) | |
790 | exclude_GH = eG = eH = 1; | |
791 | eH = 0; | |
a1e12da4 JO |
792 | } else if (*str == 'I') { |
793 | eI = 1; | |
ab608344 PZ |
794 | } else if (*str == 'p') { |
795 | precise++; | |
1342798c DA |
796 | /* use of precise requires exclude_guest */ |
797 | if (!exclude_GH) | |
798 | eG = 1; | |
3c176311 JO |
799 | } else if (*str == 'S') { |
800 | sample_read = 1; | |
e9a7c414 ME |
801 | } else if (*str == 'D') { |
802 | pinned = 1; | |
ab608344 | 803 | } else |
61c45981 | 804 | break; |
ab608344 | 805 | |
61c45981 | 806 | ++str; |
5242519b | 807 | } |
ceb53fbf | 808 | |
89812fc8 JO |
809 | /* |
810 | * precise ip: | |
811 | * | |
812 | * 0 - SAMPLE_IP can have arbitrary skid | |
813 | * 1 - SAMPLE_IP must have constant skid | |
814 | * 2 - SAMPLE_IP requested to have 0 skid | |
815 | * 3 - SAMPLE_IP must have 0 skid | |
816 | * | |
817 | * See also PERF_RECORD_MISC_EXACT_IP | |
818 | */ | |
819 | if (precise > 3) | |
820 | return -EINVAL; | |
ceb53fbf | 821 | |
f5b1135b JO |
822 | mod->eu = eu; |
823 | mod->ek = ek; | |
824 | mod->eh = eh; | |
825 | mod->eH = eH; | |
826 | mod->eG = eG; | |
a1e12da4 | 827 | mod->eI = eI; |
f5b1135b JO |
828 | mod->precise = precise; |
829 | mod->exclude_GH = exclude_GH; | |
3c176311 | 830 | mod->sample_read = sample_read; |
e9a7c414 ME |
831 | mod->pinned = pinned; |
832 | ||
f5b1135b JO |
833 | return 0; |
834 | } | |
835 | ||
534123f4 JO |
836 | /* |
837 | * Basic modifier sanity check to validate it contains only one | |
838 | * instance of any modifier (apart from 'p') present. | |
839 | */ | |
840 | static int check_modifier(char *str) | |
841 | { | |
842 | char *p = str; | |
843 | ||
844 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 845 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
846 | return -1; |
847 | ||
848 | while (*p) { | |
849 | if (*p != 'p' && strchr(p + 1, *p)) | |
850 | return -1; | |
851 | p++; | |
852 | } | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
f5b1135b JO |
857 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
858 | { | |
859 | struct perf_evsel *evsel; | |
860 | struct event_modifier mod; | |
861 | ||
862 | if (str == NULL) | |
863 | return 0; | |
864 | ||
534123f4 JO |
865 | if (check_modifier(str)) |
866 | return -EINVAL; | |
867 | ||
f5b1135b JO |
868 | if (!add && get_event_modifier(&mod, str, NULL)) |
869 | return -EINVAL; | |
870 | ||
0050f7aa | 871 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
872 | if (add && get_event_modifier(&mod, str, evsel)) |
873 | return -EINVAL; | |
874 | ||
875 | evsel->attr.exclude_user = mod.eu; | |
876 | evsel->attr.exclude_kernel = mod.ek; | |
877 | evsel->attr.exclude_hv = mod.eh; | |
878 | evsel->attr.precise_ip = mod.precise; | |
879 | evsel->attr.exclude_host = mod.eH; | |
880 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 881 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 882 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 883 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
884 | |
885 | if (perf_evsel__is_group_leader(evsel)) | |
886 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 887 | } |
ceb53fbf | 888 | |
61c45981 PM |
889 | return 0; |
890 | } | |
8ad8db37 | 891 | |
ac2ba9f3 RR |
892 | int parse_events_name(struct list_head *list, char *name) |
893 | { | |
894 | struct perf_evsel *evsel; | |
895 | ||
0050f7aa | 896 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
897 | if (!evsel->name) |
898 | evsel->name = strdup(name); | |
899 | } | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
dcb4e102 KL |
904 | static int |
905 | comp_pmu(const void *p1, const void *p2) | |
906 | { | |
907 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
908 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
909 | ||
910 | return strcmp(pmu1->symbol, pmu2->symbol); | |
911 | } | |
912 | ||
913 | static void perf_pmu__parse_cleanup(void) | |
914 | { | |
915 | if (perf_pmu_events_list_num > 0) { | |
916 | struct perf_pmu_event_symbol *p; | |
917 | int i; | |
918 | ||
919 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
920 | p = perf_pmu_events_list + i; | |
921 | free(p->symbol); | |
922 | } | |
923 | free(perf_pmu_events_list); | |
924 | perf_pmu_events_list = NULL; | |
925 | perf_pmu_events_list_num = 0; | |
926 | } | |
927 | } | |
928 | ||
929 | #define SET_SYMBOL(str, stype) \ | |
930 | do { \ | |
931 | p->symbol = str; \ | |
932 | if (!p->symbol) \ | |
933 | goto err; \ | |
934 | p->type = stype; \ | |
935 | } while (0) | |
936 | ||
937 | /* | |
938 | * Read the pmu events list from sysfs | |
939 | * Save it into perf_pmu_events_list | |
940 | */ | |
941 | static void perf_pmu__parse_init(void) | |
942 | { | |
943 | ||
944 | struct perf_pmu *pmu = NULL; | |
945 | struct perf_pmu_alias *alias; | |
946 | int len = 0; | |
947 | ||
948 | pmu = perf_pmu__find("cpu"); | |
949 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
950 | perf_pmu_events_list_num = -1; | |
951 | return; | |
952 | } | |
953 | list_for_each_entry(alias, &pmu->aliases, list) { | |
954 | if (strchr(alias->name, '-')) | |
955 | len++; | |
956 | len++; | |
957 | } | |
958 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
959 | if (!perf_pmu_events_list) | |
960 | return; | |
961 | perf_pmu_events_list_num = len; | |
962 | ||
963 | len = 0; | |
964 | list_for_each_entry(alias, &pmu->aliases, list) { | |
965 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
966 | char *tmp = strchr(alias->name, '-'); | |
967 | ||
968 | if (tmp != NULL) { | |
969 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
970 | PMU_EVENT_SYMBOL_PREFIX); | |
971 | p++; | |
972 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
973 | len += 2; | |
974 | } else { | |
975 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
976 | len++; | |
977 | } | |
978 | } | |
979 | qsort(perf_pmu_events_list, len, | |
980 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
981 | ||
982 | return; | |
983 | err: | |
984 | perf_pmu__parse_cleanup(); | |
985 | } | |
986 | ||
987 | enum perf_pmu_event_symbol_type | |
988 | perf_pmu__parse_check(const char *name) | |
989 | { | |
990 | struct perf_pmu_event_symbol p, *r; | |
991 | ||
992 | /* scan kernel pmu events from sysfs if needed */ | |
993 | if (perf_pmu_events_list_num == 0) | |
994 | perf_pmu__parse_init(); | |
995 | /* | |
996 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
997 | * cpu-cycles has been handled by hardcode. | |
998 | * So it must be cpu// events, not kernel pmu event. | |
999 | */ | |
1000 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
1001 | return PMU_EVENT_SYMBOL_ERR; | |
1002 | ||
1003 | p.symbol = strdup(name); | |
1004 | r = bsearch(&p, perf_pmu_events_list, | |
1005 | (size_t) perf_pmu_events_list_num, | |
1006 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1007 | free(p.symbol); | |
1008 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
1009 | } | |
1010 | ||
90e2b22d | 1011 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 1012 | { |
89812fc8 | 1013 | YY_BUFFER_STATE buffer; |
ac20de6f | 1014 | void *scanner; |
46010ab2 | 1015 | int ret; |
bcd3279f | 1016 | |
90e2b22d | 1017 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
1018 | if (ret) |
1019 | return ret; | |
1020 | ||
1021 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 1022 | |
82ba1f2f JO |
1023 | #ifdef PARSER_DEBUG |
1024 | parse_events_debug = 1; | |
1025 | #endif | |
ac20de6f ZY |
1026 | ret = parse_events_parse(data, scanner); |
1027 | ||
1028 | parse_events__flush_buffer(buffer, scanner); | |
1029 | parse_events__delete_buffer(buffer, scanner); | |
1030 | parse_events_lex_destroy(scanner); | |
1031 | return ret; | |
1032 | } | |
bcd3279f | 1033 | |
90e2b22d JO |
1034 | /* |
1035 | * parse event config string, return a list of event terms. | |
1036 | */ | |
1037 | int parse_events_terms(struct list_head *terms, const char *str) | |
1038 | { | |
23b6339b | 1039 | struct parse_events_terms data = { |
90e2b22d JO |
1040 | .terms = NULL, |
1041 | }; | |
1042 | int ret; | |
1043 | ||
1044 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1045 | if (!ret) { | |
1046 | list_splice(data.terms, terms); | |
74cf249d | 1047 | zfree(&data.terms); |
90e2b22d JO |
1048 | return 0; |
1049 | } | |
1050 | ||
b2c34fde AH |
1051 | if (data.terms) |
1052 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1053 | return ret; |
1054 | } | |
1055 | ||
b39b8393 JO |
1056 | int parse_events(struct perf_evlist *evlist, const char *str, |
1057 | struct parse_events_error *err) | |
ac20de6f | 1058 | { |
23b6339b | 1059 | struct parse_events_evlist data = { |
b39b8393 JO |
1060 | .list = LIST_HEAD_INIT(data.list), |
1061 | .idx = evlist->nr_entries, | |
1062 | .error = err, | |
ac20de6f ZY |
1063 | }; |
1064 | int ret; | |
bcd3279f | 1065 | |
90e2b22d | 1066 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1067 | perf_pmu__parse_cleanup(); |
89812fc8 | 1068 | if (!ret) { |
46010ab2 JO |
1069 | int entries = data.idx - evlist->nr_entries; |
1070 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 1071 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
1072 | return 0; |
1073 | } | |
bcd3279f | 1074 | |
5d7be90e JO |
1075 | /* |
1076 | * There are 2 users - builtin-record and builtin-test objects. | |
1077 | * Both call perf_evlist__delete in case of error, so we dont | |
1078 | * need to bother. | |
1079 | */ | |
bcd3279f | 1080 | return ret; |
8ad8db37 IM |
1081 | } |
1082 | ||
b39b8393 JO |
1083 | #define MAX_WIDTH 1000 |
1084 | static int get_term_width(void) | |
1085 | { | |
1086 | struct winsize ws; | |
1087 | ||
1088 | get_term_dimensions(&ws); | |
1089 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
1090 | } | |
1091 | ||
1092 | static void parse_events_print_error(struct parse_events_error *err, | |
1093 | const char *event) | |
1094 | { | |
1095 | const char *str = "invalid or unsupported event: "; | |
1096 | char _buf[MAX_WIDTH]; | |
1097 | char *buf = (char *) event; | |
1098 | int idx = 0; | |
1099 | ||
1100 | if (err->str) { | |
1101 | /* -2 for extra '' in the final fprintf */ | |
1102 | int width = get_term_width() - 2; | |
1103 | int len_event = strlen(event); | |
1104 | int len_str, max_len, cut = 0; | |
1105 | ||
1106 | /* | |
1107 | * Maximum error index indent, we will cut | |
1108 | * the event string if it's bigger. | |
1109 | */ | |
1110 | int max_err_idx = 10; | |
1111 | ||
1112 | /* | |
1113 | * Let's be specific with the message when | |
1114 | * we have the precise error. | |
1115 | */ | |
1116 | str = "event syntax error: "; | |
1117 | len_str = strlen(str); | |
1118 | max_len = width - len_str; | |
1119 | ||
1120 | buf = _buf; | |
1121 | ||
1122 | /* We're cutting from the beggining. */ | |
1123 | if (err->idx > max_err_idx) | |
1124 | cut = err->idx - max_err_idx; | |
1125 | ||
1126 | strncpy(buf, event + cut, max_len); | |
1127 | ||
1128 | /* Mark cut parts with '..' on both sides. */ | |
1129 | if (cut) | |
1130 | buf[0] = buf[1] = '.'; | |
1131 | ||
1132 | if ((len_event - cut) > max_len) { | |
1133 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
1134 | buf[max_len] = 0; | |
1135 | } | |
1136 | ||
1137 | idx = len_str + err->idx - cut; | |
1138 | } | |
1139 | ||
1140 | fprintf(stderr, "%s'%s'\n", str, buf); | |
1141 | if (idx) { | |
1142 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); | |
1143 | if (err->help) | |
1144 | fprintf(stderr, "\n%s\n", err->help); | |
1145 | free(err->str); | |
1146 | free(err->help); | |
1147 | } | |
1148 | ||
1149 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1150 | } | |
1151 | ||
1152 | #undef MAX_WIDTH | |
1153 | ||
f120f9d5 | 1154 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1155 | int unset __maybe_unused) |
f120f9d5 JO |
1156 | { |
1157 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
b39b8393 JO |
1158 | struct parse_events_error err = { .idx = 0, }; |
1159 | int ret = parse_events(evlist, str, &err); | |
1160 | ||
1161 | if (ret) | |
1162 | parse_events_print_error(&err, str); | |
9175ce1f | 1163 | |
9175ce1f | 1164 | return ret; |
f120f9d5 JO |
1165 | } |
1166 | ||
361c99a6 | 1167 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 1168 | int unset __maybe_unused) |
c171b552 | 1169 | { |
361c99a6 | 1170 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 1171 | struct perf_evsel *last = NULL; |
c171b552 | 1172 | |
361c99a6 | 1173 | if (evlist->nr_entries > 0) |
0c21f736 | 1174 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
1175 | |
1176 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 | 1177 | fprintf(stderr, |
281f92f2 | 1178 | "--filter option should follow a -e tracepoint option\n"); |
c171b552 LZ |
1179 | return -1; |
1180 | } | |
1181 | ||
69aad6f1 ACM |
1182 | last->filter = strdup(str); |
1183 | if (last->filter == NULL) { | |
c171b552 LZ |
1184 | fprintf(stderr, "not enough memory to hold filter string\n"); |
1185 | return -1; | |
1186 | } | |
c171b552 LZ |
1187 | |
1188 | return 0; | |
1189 | } | |
1190 | ||
86847b62 | 1191 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1192 | "Hardware event", |
1193 | "Software event", | |
1194 | "Tracepoint event", | |
1195 | "Hardware cache event", | |
41bdcb23 LW |
1196 | "Raw hardware event descriptor", |
1197 | "Hardware breakpoint", | |
86847b62 TG |
1198 | }; |
1199 | ||
ab0e4800 YS |
1200 | static int cmp_string(const void *a, const void *b) |
1201 | { | |
1202 | const char * const *as = a; | |
1203 | const char * const *bs = b; | |
1204 | ||
1205 | return strcmp(*as, *bs); | |
1206 | } | |
1207 | ||
f6bdafef JB |
1208 | /* |
1209 | * Print the events from <debugfs_mount_point>/tracing/events | |
1210 | */ | |
1211 | ||
a3277d2d FW |
1212 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1213 | bool name_only) | |
f6bdafef JB |
1214 | { |
1215 | DIR *sys_dir, *evt_dir; | |
1216 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1217 | char evt_path[MAXPATHLEN]; |
725b1368 | 1218 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1219 | char **evt_list = NULL; |
1220 | unsigned int evt_i = 0, evt_num = 0; | |
1221 | bool evt_num_known = false; | |
f6bdafef | 1222 | |
ab0e4800 | 1223 | restart: |
ebf294bf | 1224 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1225 | if (!sys_dir) |
725b1368 | 1226 | return; |
6b58e7f1 | 1227 | |
ab0e4800 YS |
1228 | if (evt_num_known) { |
1229 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1230 | if (!evt_list) | |
1231 | goto out_close_sys_dir; | |
1232 | } | |
1233 | ||
6b58e7f1 | 1234 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1235 | if (subsys_glob != NULL && |
668b8788 ACM |
1236 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1237 | continue; | |
725b1368 | 1238 | |
ebf294bf | 1239 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1240 | sys_dirent.d_name); |
1241 | evt_dir = opendir(dir_path); | |
1242 | if (!evt_dir) | |
6b58e7f1 | 1243 | continue; |
725b1368 | 1244 | |
6b58e7f1 | 1245 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1246 | if (event_glob != NULL && |
668b8788 ACM |
1247 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1248 | continue; | |
1249 | ||
ab0e4800 YS |
1250 | if (!evt_num_known) { |
1251 | evt_num++; | |
a3277d2d FW |
1252 | continue; |
1253 | } | |
1254 | ||
f6bdafef JB |
1255 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1256 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1257 | |
1258 | evt_list[evt_i] = strdup(evt_path); | |
1259 | if (evt_list[evt_i] == NULL) | |
1260 | goto out_close_evt_dir; | |
1261 | evt_i++; | |
f6bdafef JB |
1262 | } |
1263 | closedir(evt_dir); | |
1264 | } | |
f6bdafef | 1265 | closedir(sys_dir); |
ab0e4800 YS |
1266 | |
1267 | if (!evt_num_known) { | |
1268 | evt_num_known = true; | |
1269 | goto restart; | |
1270 | } | |
1271 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1272 | evt_i = 0; | |
1273 | while (evt_i < evt_num) { | |
1274 | if (name_only) { | |
1275 | printf("%s ", evt_list[evt_i++]); | |
1276 | continue; | |
1277 | } | |
1278 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1279 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1280 | } | |
1281 | if (evt_num) | |
1282 | printf("\n"); | |
1283 | ||
1284 | out_free: | |
1285 | evt_num = evt_i; | |
1286 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1287 | zfree(&evt_list[evt_i]); | |
1288 | zfree(&evt_list); | |
1289 | return; | |
1290 | ||
1291 | out_close_evt_dir: | |
1292 | closedir(evt_dir); | |
1293 | out_close_sys_dir: | |
1294 | closedir(sys_dir); | |
1295 | ||
1296 | printf("FATAL: not enough memory to print %s\n", | |
1297 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1298 | if (evt_list) | |
1299 | goto out_free; | |
f6bdafef JB |
1300 | } |
1301 | ||
20c457b8 TR |
1302 | /* |
1303 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1304 | */ | |
1305 | ||
1306 | int is_valid_tracepoint(const char *event_string) | |
1307 | { | |
1308 | DIR *sys_dir, *evt_dir; | |
1309 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1310 | char evt_path[MAXPATHLEN]; | |
1311 | char dir_path[MAXPATHLEN]; | |
1312 | ||
ebf294bf | 1313 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1314 | if (!sys_dir) |
1315 | return 0; | |
1316 | ||
1317 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1318 | ||
ebf294bf | 1319 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1320 | sys_dirent.d_name); |
1321 | evt_dir = opendir(dir_path); | |
1322 | if (!evt_dir) | |
1323 | continue; | |
1324 | ||
1325 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1326 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1327 | sys_dirent.d_name, evt_dirent.d_name); | |
1328 | if (!strcmp(evt_path, event_string)) { | |
1329 | closedir(evt_dir); | |
1330 | closedir(sys_dir); | |
1331 | return 1; | |
1332 | } | |
1333 | } | |
1334 | closedir(evt_dir); | |
1335 | } | |
1336 | closedir(sys_dir); | |
1337 | return 0; | |
1338 | } | |
1339 | ||
b41f1cec NK |
1340 | static bool is_event_supported(u8 type, unsigned config) |
1341 | { | |
1342 | bool ret = true; | |
88fee52e | 1343 | int open_return; |
b41f1cec NK |
1344 | struct perf_evsel *evsel; |
1345 | struct perf_event_attr attr = { | |
1346 | .type = type, | |
1347 | .config = config, | |
1348 | .disabled = 1, | |
b41f1cec NK |
1349 | }; |
1350 | struct { | |
1351 | struct thread_map map; | |
1352 | int threads[1]; | |
1353 | } tmap = { | |
1354 | .map.nr = 1, | |
1355 | .threads = { 0 }, | |
1356 | }; | |
1357 | ||
ef503831 | 1358 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1359 | if (evsel) { |
88fee52e VW |
1360 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1361 | ret = open_return >= 0; | |
1362 | ||
1363 | if (open_return == -EACCES) { | |
1364 | /* | |
1365 | * This happens if the paranoid value | |
1366 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1367 | * Re-run with exclude_kernel set; we don't do that | |
1368 | * by default as some ARM machines do not support it. | |
1369 | * | |
1370 | */ | |
1371 | evsel->attr.exclude_kernel = 1; | |
1372 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1373 | } | |
b41f1cec NK |
1374 | perf_evsel__delete(evsel); |
1375 | } | |
1376 | ||
1377 | return ret; | |
1378 | } | |
1379 | ||
a3277d2d | 1380 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1381 | { |
ab0e4800 | 1382 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1383 | char name[64]; |
ab0e4800 YS |
1384 | char **evt_list = NULL; |
1385 | bool evt_num_known = false; | |
1386 | ||
1387 | restart: | |
1388 | if (evt_num_known) { | |
1389 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1390 | if (!evt_list) | |
1391 | goto out_enomem; | |
1392 | } | |
668b8788 ACM |
1393 | |
1394 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1395 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1396 | /* skip invalid cache type */ | |
0b668bc9 | 1397 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1398 | continue; |
1399 | ||
1400 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1401 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1402 | name, sizeof(name)); | |
947b4ad1 | 1403 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1404 | continue; |
1405 | ||
b41f1cec NK |
1406 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1407 | type | (op << 8) | (i << 16))) | |
1408 | continue; | |
1409 | ||
ab0e4800 YS |
1410 | if (!evt_num_known) { |
1411 | evt_num++; | |
1412 | continue; | |
1413 | } | |
1414 | ||
1415 | evt_list[evt_i] = strdup(name); | |
1416 | if (evt_list[evt_i] == NULL) | |
1417 | goto out_enomem; | |
1418 | evt_i++; | |
668b8788 ACM |
1419 | } |
1420 | } | |
1421 | } | |
1422 | ||
ab0e4800 YS |
1423 | if (!evt_num_known) { |
1424 | evt_num_known = true; | |
1425 | goto restart; | |
1426 | } | |
1427 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1428 | evt_i = 0; | |
1429 | while (evt_i < evt_num) { | |
1430 | if (name_only) { | |
1431 | printf("%s ", evt_list[evt_i++]); | |
1432 | continue; | |
1433 | } | |
1434 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1435 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1436 | } | |
1437 | if (evt_num) | |
dc098b35 | 1438 | printf("\n"); |
ab0e4800 YS |
1439 | |
1440 | out_free: | |
1441 | evt_num = evt_i; | |
1442 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1443 | zfree(&evt_list[evt_i]); | |
1444 | zfree(&evt_list); | |
1445 | return evt_num; | |
1446 | ||
1447 | out_enomem: | |
1448 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1449 | if (evt_list) | |
1450 | goto out_free; | |
1451 | return evt_num; | |
668b8788 ACM |
1452 | } |
1453 | ||
705750f2 | 1454 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1455 | struct event_symbol *syms, unsigned max, |
1456 | bool name_only) | |
8ad8db37 | 1457 | { |
ab0e4800 | 1458 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1459 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1460 | char **evt_list = NULL; |
1461 | bool evt_num_known = false; | |
1462 | ||
1463 | restart: | |
1464 | if (evt_num_known) { | |
1465 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1466 | if (!evt_list) | |
1467 | goto out_enomem; | |
1468 | syms -= max; | |
1469 | } | |
8ad8db37 | 1470 | |
1dc12760 | 1471 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1472 | |
48000a1a | 1473 | if (event_glob != NULL && |
668b8788 ACM |
1474 | !(strglobmatch(syms->symbol, event_glob) || |
1475 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1476 | continue; | |
8ad8db37 | 1477 | |
b41f1cec NK |
1478 | if (!is_event_supported(type, i)) |
1479 | continue; | |
1480 | ||
ab0e4800 YS |
1481 | if (!evt_num_known) { |
1482 | evt_num++; | |
a3277d2d FW |
1483 | continue; |
1484 | } | |
1485 | ||
ab0e4800 | 1486 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1487 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1488 | else |
947b4ad1 | 1489 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1490 | |
ab0e4800 YS |
1491 | evt_list[evt_i] = strdup(name); |
1492 | if (evt_list[evt_i] == NULL) | |
1493 | goto out_enomem; | |
1494 | evt_i++; | |
8ad8db37 IM |
1495 | } |
1496 | ||
ab0e4800 YS |
1497 | if (!evt_num_known) { |
1498 | evt_num_known = true; | |
1499 | goto restart; | |
1500 | } | |
1501 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1502 | evt_i = 0; | |
1503 | while (evt_i < evt_num) { | |
1504 | if (name_only) { | |
1505 | printf("%s ", evt_list[evt_i++]); | |
1506 | continue; | |
1507 | } | |
1508 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1509 | } | |
1510 | if (evt_num) | |
668b8788 | 1511 | printf("\n"); |
ab0e4800 YS |
1512 | |
1513 | out_free: | |
1514 | evt_num = evt_i; | |
1515 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1516 | zfree(&evt_list[evt_i]); | |
1517 | zfree(&evt_list); | |
1518 | return; | |
1519 | ||
1520 | out_enomem: | |
1521 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1522 | if (evt_list) | |
1523 | goto out_free; | |
1dc12760 JO |
1524 | } |
1525 | ||
1526 | /* | |
1527 | * Print the help text for the event symbols: | |
1528 | */ | |
a3277d2d | 1529 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1530 | { |
1dc12760 | 1531 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1532 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1533 | |
1534 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1535 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1536 | |
a3277d2d | 1537 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1538 | |
dc098b35 AK |
1539 | print_pmu_events(event_glob, name_only); |
1540 | ||
668b8788 ACM |
1541 | if (event_glob != NULL) |
1542 | return; | |
73c24cb8 | 1543 | |
a3277d2d | 1544 | if (!name_only) { |
a3277d2d FW |
1545 | printf(" %-50s [%s]\n", |
1546 | "rNNN", | |
1547 | event_type_descriptors[PERF_TYPE_RAW]); | |
1548 | printf(" %-50s [%s]\n", | |
1549 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1550 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1551 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1552 | printf("\n"); |
1553 | ||
1554 | printf(" %-50s [%s]\n", | |
3741eb9f | 1555 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1556 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1557 | printf("\n"); |
1558 | } | |
1b290d67 | 1559 | |
a3277d2d | 1560 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1561 | } |
8f707d84 | 1562 | |
6cee6cd3 | 1563 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1564 | { |
16fa7e82 | 1565 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1566 | } |
1567 | ||
6cee6cd3 | 1568 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1569 | int type_term, char *config, |
cecf3a2e | 1570 | char *str, u64 num, int err_term, int err_val) |
8f707d84 | 1571 | { |
6cee6cd3 | 1572 | struct parse_events_term *term; |
8f707d84 JO |
1573 | |
1574 | term = zalloc(sizeof(*term)); | |
1575 | if (!term) | |
1576 | return -ENOMEM; | |
1577 | ||
1578 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1579 | term->type_val = type_val; |
1580 | term->type_term = type_term; | |
8f707d84 | 1581 | term->config = config; |
cecf3a2e JO |
1582 | term->err_term = err_term; |
1583 | term->err_val = err_val; | |
8f707d84 | 1584 | |
16fa7e82 | 1585 | switch (type_val) { |
8f707d84 JO |
1586 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1587 | term->val.num = num; | |
1588 | break; | |
1589 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1590 | term->val.str = str; | |
1591 | break; | |
1592 | default: | |
4be8be6b | 1593 | free(term); |
8f707d84 JO |
1594 | return -EINVAL; |
1595 | } | |
1596 | ||
1597 | *_term = term; | |
1598 | return 0; | |
1599 | } | |
1600 | ||
6cee6cd3 | 1601 | int parse_events_term__num(struct parse_events_term **term, |
cecf3a2e JO |
1602 | int type_term, char *config, u64 num, |
1603 | YYLTYPE *loc_term, YYLTYPE *loc_val) | |
16fa7e82 JO |
1604 | { |
1605 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, | |
cecf3a2e JO |
1606 | config, NULL, num, |
1607 | loc_term ? loc_term->first_column : 0, | |
1608 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1609 | } |
1610 | ||
6cee6cd3 | 1611 | int parse_events_term__str(struct parse_events_term **term, |
cecf3a2e JO |
1612 | int type_term, char *config, char *str, |
1613 | YYLTYPE *loc_term, YYLTYPE *loc_val) | |
16fa7e82 JO |
1614 | { |
1615 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, | |
cecf3a2e JO |
1616 | config, str, 0, |
1617 | loc_term ? loc_term->first_column : 0, | |
1618 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1619 | } |
1620 | ||
6cee6cd3 | 1621 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1622 | char *config, unsigned idx) |
1623 | { | |
1624 | struct event_symbol *sym; | |
1625 | ||
1626 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1627 | sym = &event_symbols_hw[idx]; | |
1628 | ||
1629 | if (config) | |
1630 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1631 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
cecf3a2e | 1632 | (char *) sym->symbol, 0, 0, 0); |
1d33d6dc JO |
1633 | else |
1634 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1635 | PARSE_EVENTS__TERM_TYPE_USER, | |
cecf3a2e JO |
1636 | (char *) "event", (char *) sym->symbol, |
1637 | 0, 0, 0); | |
1d33d6dc JO |
1638 | } |
1639 | ||
6cee6cd3 ACM |
1640 | int parse_events_term__clone(struct parse_events_term **new, |
1641 | struct parse_events_term *term) | |
a6146d50 ZY |
1642 | { |
1643 | return new_term(new, term->type_val, term->type_term, term->config, | |
cecf3a2e JO |
1644 | term->val.str, term->val.num, |
1645 | term->err_term, term->err_val); | |
a6146d50 ZY |
1646 | } |
1647 | ||
8f707d84 JO |
1648 | void parse_events__free_terms(struct list_head *terms) |
1649 | { | |
6cee6cd3 | 1650 | struct parse_events_term *term, *h; |
8f707d84 JO |
1651 | |
1652 | list_for_each_entry_safe(term, h, terms, list) | |
1653 | free(term); | |
8f707d84 | 1654 | } |
b39b8393 JO |
1655 | |
1656 | void parse_events_evlist_error(struct parse_events_evlist *data, | |
1657 | int idx, const char *str) | |
1658 | { | |
1659 | struct parse_events_error *err = data->error; | |
1660 | ||
1661 | err->idx = idx; | |
1662 | err->str = strdup(str); | |
1663 | WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); | |
1664 | } |