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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); |
bcd3279f | 28 | |
dcb4e102 KL |
29 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
30 | /* | |
31 | * The variable indicates the number of supported pmu event symbols. | |
32 | * 0 means not initialized and ready to init | |
33 | * -1 means failed to init, don't try anymore | |
34 | * >0 is the number of supported pmu event symbols | |
35 | */ | |
36 | static int perf_pmu_events_list_num; | |
37 | ||
705750f2 | 38 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
39 | [PERF_COUNT_HW_CPU_CYCLES] = { |
40 | .symbol = "cpu-cycles", | |
41 | .alias = "cycles", | |
42 | }, | |
43 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
44 | .symbol = "instructions", | |
45 | .alias = "", | |
46 | }, | |
47 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
48 | .symbol = "cache-references", | |
49 | .alias = "", | |
50 | }, | |
51 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
52 | .symbol = "cache-misses", | |
53 | .alias = "", | |
54 | }, | |
55 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
56 | .symbol = "branch-instructions", | |
57 | .alias = "branches", | |
58 | }, | |
59 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
60 | .symbol = "branch-misses", | |
61 | .alias = "", | |
62 | }, | |
63 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
64 | .symbol = "bus-cycles", | |
65 | .alias = "", | |
66 | }, | |
67 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
68 | .symbol = "stalled-cycles-frontend", | |
69 | .alias = "idle-cycles-frontend", | |
70 | }, | |
71 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
72 | .symbol = "stalled-cycles-backend", | |
73 | .alias = "idle-cycles-backend", | |
74 | }, | |
75 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
76 | .symbol = "ref-cycles", | |
77 | .alias = "", | |
78 | }, | |
79 | }; | |
80 | ||
705750f2 | 81 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
82 | [PERF_COUNT_SW_CPU_CLOCK] = { |
83 | .symbol = "cpu-clock", | |
84 | .alias = "", | |
85 | }, | |
86 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
87 | .symbol = "task-clock", | |
88 | .alias = "", | |
89 | }, | |
90 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
91 | .symbol = "page-faults", | |
92 | .alias = "faults", | |
93 | }, | |
94 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
95 | .symbol = "context-switches", | |
96 | .alias = "cs", | |
97 | }, | |
98 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
99 | .symbol = "cpu-migrations", | |
100 | .alias = "migrations", | |
101 | }, | |
102 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
103 | .symbol = "minor-faults", | |
104 | .alias = "", | |
105 | }, | |
106 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
107 | .symbol = "major-faults", | |
108 | .alias = "", | |
109 | }, | |
110 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
111 | .symbol = "alignment-faults", | |
112 | .alias = "", | |
113 | }, | |
114 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
115 | .symbol = "emulation-faults", | |
116 | .alias = "", | |
117 | }, | |
d22d1a2a AH |
118 | [PERF_COUNT_SW_DUMMY] = { |
119 | .symbol = "dummy", | |
120 | .alias = "", | |
121 | }, | |
8ad8db37 IM |
122 | }; |
123 | ||
cdd6c482 IM |
124 | #define __PERF_EVENT_FIELD(config, name) \ |
125 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 126 | |
1fc570ad | 127 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 128 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 129 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 130 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 131 | |
6b58e7f1 | 132 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 133 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 134 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
135 | (strcmp(sys_dirent.d_name, ".")) && \ |
136 | (strcmp(sys_dirent.d_name, ".."))) | |
137 | ||
ae07b63f PZ |
138 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
139 | { | |
140 | char evt_path[MAXPATHLEN]; | |
141 | int fd; | |
142 | ||
ebf294bf | 143 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
144 | sys_dir->d_name, evt_dir->d_name); |
145 | fd = open(evt_path, O_RDONLY); | |
146 | if (fd < 0) | |
147 | return -EINVAL; | |
148 | close(fd); | |
149 | ||
150 | return 0; | |
151 | } | |
152 | ||
6b58e7f1 | 153 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 154 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 155 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 156 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
157 | (strcmp(evt_dirent.d_name, "..")) && \ |
158 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 159 | |
270bbbe8 | 160 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 161 | |
f6bdafef | 162 | |
1ef2ed10 | 163 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 164 | { |
1ef2ed10 | 165 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
166 | DIR *sys_dir, *evt_dir; |
167 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 168 | char id_buf[24]; |
725b1368 | 169 | int fd; |
f6bdafef JB |
170 | u64 id; |
171 | char evt_path[MAXPATHLEN]; | |
725b1368 | 172 | char dir_path[MAXPATHLEN]; |
f6bdafef | 173 | |
ebf294bf | 174 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 175 | if (!sys_dir) |
725b1368 | 176 | return NULL; |
6b58e7f1 UD |
177 | |
178 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 179 | |
ebf294bf | 180 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
181 | sys_dirent.d_name); |
182 | evt_dir = opendir(dir_path); | |
183 | if (!evt_dir) | |
6b58e7f1 | 184 | continue; |
725b1368 | 185 | |
6b58e7f1 | 186 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
187 | |
188 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 189 | evt_dirent.d_name); |
725b1368 | 190 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
191 | if (fd < 0) |
192 | continue; | |
193 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
194 | close(fd); | |
195 | continue; | |
196 | } | |
197 | close(fd); | |
198 | id = atoll(id_buf); | |
199 | if (id == config) { | |
200 | closedir(evt_dir); | |
201 | closedir(sys_dir); | |
59b4caeb | 202 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
203 | path->system = malloc(MAX_EVENT_LENGTH); |
204 | if (!path->system) { | |
205 | free(path); | |
206 | return NULL; | |
207 | } | |
208 | path->name = malloc(MAX_EVENT_LENGTH); | |
209 | if (!path->name) { | |
74cf249d | 210 | zfree(&path->system); |
1ef2ed10 FW |
211 | free(path); |
212 | return NULL; | |
213 | } | |
214 | strncpy(path->system, sys_dirent.d_name, | |
215 | MAX_EVENT_LENGTH); | |
216 | strncpy(path->name, evt_dirent.d_name, | |
217 | MAX_EVENT_LENGTH); | |
218 | return path; | |
f6bdafef JB |
219 | } |
220 | } | |
221 | closedir(evt_dir); | |
222 | } | |
223 | ||
f6bdafef | 224 | closedir(sys_dir); |
1ef2ed10 FW |
225 | return NULL; |
226 | } | |
227 | ||
e7c93f09 NK |
228 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
229 | { | |
230 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
231 | char *str = strchr(name, ':'); | |
232 | ||
233 | if (path == NULL || str == NULL) { | |
234 | free(path); | |
235 | return NULL; | |
236 | } | |
237 | ||
238 | path->system = strndup(name, str - name); | |
239 | path->name = strdup(str+1); | |
240 | ||
241 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
242 | zfree(&path->system); |
243 | zfree(&path->name); | |
e7c93f09 NK |
244 | free(path); |
245 | path = NULL; | |
246 | } | |
247 | ||
248 | return path; | |
249 | } | |
250 | ||
1424dc96 DA |
251 | const char *event_type(int type) |
252 | { | |
253 | switch (type) { | |
254 | case PERF_TYPE_HARDWARE: | |
255 | return "hardware"; | |
256 | ||
257 | case PERF_TYPE_SOFTWARE: | |
258 | return "software"; | |
259 | ||
260 | case PERF_TYPE_TRACEPOINT: | |
261 | return "tracepoint"; | |
262 | ||
263 | case PERF_TYPE_HW_CACHE: | |
264 | return "hardware-cache"; | |
265 | ||
266 | default: | |
267 | break; | |
268 | } | |
269 | ||
270 | return "unknown"; | |
271 | } | |
272 | ||
7ae92e74 YZ |
273 | |
274 | ||
410136f5 SE |
275 | static struct perf_evsel * |
276 | __add_event(struct list_head *list, int *idx, | |
277 | struct perf_event_attr *attr, | |
278 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
279 | { |
280 | struct perf_evsel *evsel; | |
281 | ||
282 | event_attr_init(attr); | |
283 | ||
ef503831 | 284 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 285 | if (!evsel) |
410136f5 | 286 | return NULL; |
89812fc8 | 287 | |
7ae92e74 | 288 | evsel->cpus = cpus; |
9db1763c ACM |
289 | if (name) |
290 | evsel->name = strdup(name); | |
b847cbdc | 291 | list_add_tail(&evsel->node, list); |
410136f5 | 292 | return evsel; |
89812fc8 JO |
293 | } |
294 | ||
c5cd8ac0 | 295 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
296 | struct perf_event_attr *attr, char *name) |
297 | { | |
410136f5 | 298 | return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
7ae92e74 YZ |
299 | } |
300 | ||
0b668bc9 | 301 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
302 | { |
303 | int i, j; | |
61c45981 | 304 | int n, longest = -1; |
8326f44d IM |
305 | |
306 | for (i = 0; i < size; i++) { | |
0b668bc9 | 307 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 308 | n = strlen(names[i][j]); |
89812fc8 | 309 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
310 | longest = n; |
311 | } | |
89812fc8 | 312 | if (longest > 0) |
61c45981 | 313 | return i; |
8326f44d IM |
314 | } |
315 | ||
8953645f | 316 | return -1; |
8326f44d IM |
317 | } |
318 | ||
c5cd8ac0 | 319 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 320 | char *type, char *op_result1, char *op_result2) |
8326f44d | 321 | { |
89812fc8 JO |
322 | struct perf_event_attr attr; |
323 | char name[MAX_NAME_LEN]; | |
61c45981 | 324 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
325 | char *op_result[2] = { op_result1, op_result2 }; |
326 | int i, n; | |
8326f44d | 327 | |
8326f44d IM |
328 | /* |
329 | * No fallback - if we cannot get a clear cache type | |
330 | * then bail out: | |
331 | */ | |
0b668bc9 | 332 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 333 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 334 | if (cache_type == -1) |
89812fc8 JO |
335 | return -EINVAL; |
336 | ||
337 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 338 | |
89812fc8 JO |
339 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
340 | char *str = op_result[i]; | |
341 | ||
275ef387 | 342 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
343 | |
344 | if (cache_op == -1) { | |
0b668bc9 | 345 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 346 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 347 | if (cache_op >= 0) { |
0b668bc9 | 348 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 349 | return -EINVAL; |
61c45981 PM |
350 | continue; |
351 | } | |
352 | } | |
353 | ||
354 | if (cache_result == -1) { | |
0b668bc9 ACM |
355 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
356 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
357 | if (cache_result >= 0) |
358 | continue; | |
359 | } | |
61c45981 | 360 | } |
8326f44d | 361 | |
8326f44d IM |
362 | /* |
363 | * Fall back to reads: | |
364 | */ | |
8953645f IM |
365 | if (cache_op == -1) |
366 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 367 | |
8326f44d IM |
368 | /* |
369 | * Fall back to accesses: | |
370 | */ | |
371 | if (cache_result == -1) | |
372 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
373 | ||
89812fc8 JO |
374 | memset(&attr, 0, sizeof(attr)); |
375 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
376 | attr.type = PERF_TYPE_HW_CACHE; | |
377 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
378 | } |
379 | ||
c5cd8ac0 | 380 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 381 | char *sys_name, char *evt_name) |
bcd3279f | 382 | { |
82fe1c29 | 383 | struct perf_evsel *evsel; |
bcd3279f | 384 | |
ef503831 | 385 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 386 | if (!evsel) |
82fe1c29 | 387 | return -ENOMEM; |
bcd3279f | 388 | |
82fe1c29 | 389 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 390 | |
82fe1c29 | 391 | return 0; |
8326f44d IM |
392 | } |
393 | ||
c5cd8ac0 | 394 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 395 | char *sys_name, char *evt_name) |
bcd3279f FW |
396 | { |
397 | char evt_path[MAXPATHLEN]; | |
398 | struct dirent *evt_ent; | |
399 | DIR *evt_dir; | |
89812fc8 | 400 | int ret = 0; |
bcd3279f | 401 | |
ebf294bf | 402 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 403 | evt_dir = opendir(evt_path); |
bcd3279f FW |
404 | if (!evt_dir) { |
405 | perror("Can't open event dir"); | |
89812fc8 | 406 | return -1; |
bcd3279f FW |
407 | } |
408 | ||
89812fc8 | 409 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
410 | if (!strcmp(evt_ent->d_name, ".") |
411 | || !strcmp(evt_ent->d_name, "..") | |
412 | || !strcmp(evt_ent->d_name, "enable") | |
413 | || !strcmp(evt_ent->d_name, "filter")) | |
414 | continue; | |
415 | ||
89812fc8 | 416 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
417 | continue; |
418 | ||
89812fc8 | 419 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
420 | } |
421 | ||
0bd3f084 | 422 | closedir(evt_dir); |
89812fc8 | 423 | return ret; |
bcd3279f FW |
424 | } |
425 | ||
c5cd8ac0 | 426 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
427 | char *sys_name, char *evt_name) |
428 | { | |
429 | return strpbrk(evt_name, "*?") ? | |
430 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
431 | add_tracepoint(list, idx, sys_name, evt_name); | |
432 | } | |
433 | ||
c5cd8ac0 | 434 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
435 | char *sys_name, char *evt_name) |
436 | { | |
437 | struct dirent *events_ent; | |
438 | DIR *events_dir; | |
439 | int ret = 0; | |
440 | ||
441 | events_dir = opendir(tracing_events_path); | |
442 | if (!events_dir) { | |
443 | perror("Can't open event dir"); | |
444 | return -1; | |
445 | } | |
446 | ||
447 | while (!ret && (events_ent = readdir(events_dir))) { | |
448 | if (!strcmp(events_ent->d_name, ".") | |
449 | || !strcmp(events_ent->d_name, "..") | |
450 | || !strcmp(events_ent->d_name, "enable") | |
451 | || !strcmp(events_ent->d_name, "header_event") | |
452 | || !strcmp(events_ent->d_name, "header_page")) | |
453 | continue; | |
454 | ||
455 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
456 | continue; | |
457 | ||
458 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
459 | evt_name); | |
460 | } | |
461 | ||
462 | closedir(events_dir); | |
463 | return ret; | |
464 | } | |
465 | ||
c5cd8ac0 | 466 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 467 | char *sys, char *event) |
f6bdafef | 468 | { |
f35488f9 JO |
469 | if (strpbrk(sys, "*?")) |
470 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
471 | else | |
472 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
473 | } |
474 | ||
89812fc8 JO |
475 | static int |
476 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
477 | { |
478 | int i; | |
479 | ||
480 | for (i = 0; i < 3; i++) { | |
89812fc8 | 481 | if (!type || !type[i]) |
1b290d67 FW |
482 | break; |
483 | ||
7582732f JO |
484 | #define CHECK_SET_TYPE(bit) \ |
485 | do { \ | |
486 | if (attr->bp_type & bit) \ | |
487 | return -EINVAL; \ | |
488 | else \ | |
489 | attr->bp_type |= bit; \ | |
490 | } while (0) | |
491 | ||
1b290d67 FW |
492 | switch (type[i]) { |
493 | case 'r': | |
7582732f | 494 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
495 | break; |
496 | case 'w': | |
7582732f | 497 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
498 | break; |
499 | case 'x': | |
7582732f | 500 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
501 | break; |
502 | default: | |
89812fc8 | 503 | return -EINVAL; |
1b290d67 FW |
504 | } |
505 | } | |
89812fc8 | 506 | |
7582732f JO |
507 | #undef CHECK_SET_TYPE |
508 | ||
1b290d67 FW |
509 | if (!attr->bp_type) /* Default */ |
510 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
511 | ||
89812fc8 | 512 | return 0; |
1b290d67 FW |
513 | } |
514 | ||
c5cd8ac0 | 515 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 516 | void *ptr, char *type, u64 len) |
1b290d67 | 517 | { |
89812fc8 | 518 | struct perf_event_attr attr; |
1b290d67 | 519 | |
89812fc8 | 520 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 521 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 522 | |
89812fc8 JO |
523 | if (parse_breakpoint_type(type, &attr)) |
524 | return -EINVAL; | |
1b290d67 | 525 | |
3741eb9f JS |
526 | /* Provide some defaults if len is not specified */ |
527 | if (!len) { | |
528 | if (attr.bp_type == HW_BREAKPOINT_X) | |
529 | len = sizeof(long); | |
530 | else | |
531 | len = HW_BREAKPOINT_LEN_4; | |
532 | } | |
533 | ||
534 | attr.bp_len = len; | |
61c45981 | 535 | |
89812fc8 | 536 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 537 | attr.sample_period = 1; |
b908debd | 538 | |
287e74aa | 539 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
540 | } |
541 | ||
3b0e371c JO |
542 | static int check_type_val(struct parse_events_term *term, |
543 | struct parse_events_error *err, | |
544 | int type) | |
545 | { | |
546 | if (type == term->type_val) | |
547 | return 0; | |
548 | ||
549 | if (err) { | |
550 | err->idx = term->err_val; | |
551 | if (type == PARSE_EVENTS__TERM_TYPE_NUM) | |
552 | err->str = strdup("expected numeric value"); | |
553 | else | |
554 | err->str = strdup("expected string value"); | |
555 | } | |
556 | return -EINVAL; | |
557 | } | |
558 | ||
8f707d84 | 559 | static int config_term(struct perf_event_attr *attr, |
3b0e371c JO |
560 | struct parse_events_term *term, |
561 | struct parse_events_error *err) | |
8f707d84 | 562 | { |
3b0e371c JO |
563 | #define CHECK_TYPE_VAL(type) \ |
564 | do { \ | |
565 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
566 | return -EINVAL; \ | |
16fa7e82 JO |
567 | } while (0) |
568 | ||
569 | switch (term->type_term) { | |
c056ba6a JO |
570 | case PARSE_EVENTS__TERM_TYPE_USER: |
571 | /* | |
572 | * Always succeed for sysfs terms, as we dont know | |
573 | * at this point what type they need to have. | |
574 | */ | |
575 | return 0; | |
8f707d84 | 576 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 577 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
578 | attr->config = term->val.num; |
579 | break; | |
580 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 581 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
582 | attr->config1 = term->val.num; |
583 | break; | |
584 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 585 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
586 | attr->config2 = term->val.num; |
587 | break; | |
588 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 589 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
590 | attr->sample_period = term->val.num; |
591 | break; | |
592 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
593 | /* | |
594 | * TODO uncomment when the field is available | |
595 | * attr->branch_sample_type = term->val.num; | |
596 | */ | |
597 | break; | |
6b5fc39b JO |
598 | case PARSE_EVENTS__TERM_TYPE_NAME: |
599 | CHECK_TYPE_VAL(STR); | |
600 | break; | |
8f707d84 JO |
601 | default: |
602 | return -EINVAL; | |
603 | } | |
16fa7e82 | 604 | |
8f707d84 | 605 | return 0; |
16fa7e82 | 606 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
607 | } |
608 | ||
609 | static int config_attr(struct perf_event_attr *attr, | |
3b0e371c JO |
610 | struct list_head *head, |
611 | struct parse_events_error *err) | |
8f707d84 | 612 | { |
6cee6cd3 | 613 | struct parse_events_term *term; |
8f707d84 JO |
614 | |
615 | list_for_each_entry(term, head, list) | |
3b0e371c | 616 | if (config_term(attr, term, err)) |
8f707d84 JO |
617 | return -EINVAL; |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
87d650be JO |
622 | int parse_events_add_numeric(struct parse_events_evlist *data, |
623 | struct list_head *list, | |
b527bab5 | 624 | u32 type, u64 config, |
8f707d84 | 625 | struct list_head *head_config) |
8ad8db37 | 626 | { |
89812fc8 | 627 | struct perf_event_attr attr; |
61c45981 | 628 | |
89812fc8 JO |
629 | memset(&attr, 0, sizeof(attr)); |
630 | attr.type = type; | |
631 | attr.config = config; | |
8f707d84 JO |
632 | |
633 | if (head_config && | |
87d650be | 634 | config_attr(&attr, head_config, data->error)) |
8f707d84 JO |
635 | return -EINVAL; |
636 | ||
87d650be | 637 | return add_event(list, &data->idx, &attr, NULL); |
61c45981 | 638 | } |
8ad8db37 | 639 | |
6cee6cd3 | 640 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
641 | { |
642 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
643 | } | |
644 | ||
9db1763c | 645 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 646 | { |
6cee6cd3 | 647 | struct parse_events_term *term; |
6b5fc39b JO |
648 | |
649 | list_for_each_entry(term, head_terms, list) | |
650 | if (parse_events__is_name_term(term)) | |
651 | return term->val.str; | |
652 | ||
9db1763c | 653 | return NULL; |
6b5fc39b JO |
654 | } |
655 | ||
36adec85 JO |
656 | int parse_events_add_pmu(struct parse_events_evlist *data, |
657 | struct list_head *list, char *name, | |
658 | struct list_head *head_config) | |
5f537a26 JO |
659 | { |
660 | struct perf_event_attr attr; | |
46441bdc | 661 | struct perf_pmu_info info; |
5f537a26 | 662 | struct perf_pmu *pmu; |
410136f5 | 663 | struct perf_evsel *evsel; |
5f537a26 JO |
664 | |
665 | pmu = perf_pmu__find(name); | |
666 | if (!pmu) | |
667 | return -EINVAL; | |
668 | ||
dc0a6202 AH |
669 | if (pmu->default_config) { |
670 | memcpy(&attr, pmu->default_config, | |
671 | sizeof(struct perf_event_attr)); | |
672 | } else { | |
673 | memset(&attr, 0, sizeof(attr)); | |
674 | } | |
5f537a26 | 675 | |
ad962273 AH |
676 | if (!head_config) { |
677 | attr.type = pmu->type; | |
36adec85 | 678 | evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus); |
ad962273 AH |
679 | return evsel ? 0 : -ENOMEM; |
680 | } | |
681 | ||
46441bdc | 682 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
683 | return -EINVAL; |
684 | ||
5f537a26 JO |
685 | /* |
686 | * Configure hardcoded terms first, no need to check | |
687 | * return value when called with fail == 0 ;) | |
688 | */ | |
3b0e371c | 689 | if (config_attr(&attr, head_config, data->error)) |
c056ba6a | 690 | return -EINVAL; |
5f537a26 | 691 | |
e64b020b | 692 | if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
5f537a26 JO |
693 | return -EINVAL; |
694 | ||
36adec85 JO |
695 | evsel = __add_event(list, &data->idx, &attr, |
696 | pmu_event_name(head_config), pmu->cpus); | |
410136f5 | 697 | if (evsel) { |
46441bdc MF |
698 | evsel->unit = info.unit; |
699 | evsel->scale = info.scale; | |
044330c1 | 700 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 701 | evsel->snapshot = info.snapshot; |
410136f5 SE |
702 | } |
703 | ||
704 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
705 | } |
706 | ||
6a4bb04c JO |
707 | int parse_events__modifier_group(struct list_head *list, |
708 | char *event_mod) | |
89efb029 | 709 | { |
6a4bb04c JO |
710 | return parse_events__modifier_event(list, event_mod, true); |
711 | } | |
712 | ||
63dab225 | 713 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
714 | { |
715 | struct perf_evsel *leader; | |
716 | ||
63dab225 ACM |
717 | __perf_evlist__set_leader(list); |
718 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 719 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
720 | } |
721 | ||
c5cd8ac0 | 722 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
723 | void parse_events_update_lists(struct list_head *list_event, |
724 | struct list_head *list_all) | |
725 | { | |
726 | /* | |
727 | * Called for single event definition. Update the | |
89efb029 | 728 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
729 | * list, for next event definition. |
730 | */ | |
731 | list_splice_tail(list_event, list_all); | |
b847cbdc | 732 | free(list_event); |
5d7be90e JO |
733 | } |
734 | ||
f5b1135b JO |
735 | struct event_modifier { |
736 | int eu; | |
737 | int ek; | |
738 | int eh; | |
739 | int eH; | |
740 | int eG; | |
a1e12da4 | 741 | int eI; |
f5b1135b JO |
742 | int precise; |
743 | int exclude_GH; | |
3c176311 | 744 | int sample_read; |
e9a7c414 | 745 | int pinned; |
f5b1135b JO |
746 | }; |
747 | ||
748 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
749 | struct perf_evsel *evsel) | |
61c45981 | 750 | { |
f5b1135b JO |
751 | int eu = evsel ? evsel->attr.exclude_user : 0; |
752 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
753 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
754 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
755 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 756 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 757 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 758 | int sample_read = 0; |
e9a7c414 | 759 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 760 | |
f5b1135b JO |
761 | int exclude = eu | ek | eh; |
762 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
763 | ||
f5b1135b | 764 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 765 | |
61c45981 | 766 | while (*str) { |
ab608344 PZ |
767 | if (*str == 'u') { |
768 | if (!exclude) | |
769 | exclude = eu = ek = eh = 1; | |
61c45981 | 770 | eu = 0; |
ab608344 PZ |
771 | } else if (*str == 'k') { |
772 | if (!exclude) | |
773 | exclude = eu = ek = eh = 1; | |
61c45981 | 774 | ek = 0; |
ab608344 PZ |
775 | } else if (*str == 'h') { |
776 | if (!exclude) | |
777 | exclude = eu = ek = eh = 1; | |
61c45981 | 778 | eh = 0; |
99320cc8 JR |
779 | } else if (*str == 'G') { |
780 | if (!exclude_GH) | |
781 | exclude_GH = eG = eH = 1; | |
782 | eG = 0; | |
783 | } else if (*str == 'H') { | |
784 | if (!exclude_GH) | |
785 | exclude_GH = eG = eH = 1; | |
786 | eH = 0; | |
a1e12da4 JO |
787 | } else if (*str == 'I') { |
788 | eI = 1; | |
ab608344 PZ |
789 | } else if (*str == 'p') { |
790 | precise++; | |
1342798c DA |
791 | /* use of precise requires exclude_guest */ |
792 | if (!exclude_GH) | |
793 | eG = 1; | |
3c176311 JO |
794 | } else if (*str == 'S') { |
795 | sample_read = 1; | |
e9a7c414 ME |
796 | } else if (*str == 'D') { |
797 | pinned = 1; | |
ab608344 | 798 | } else |
61c45981 | 799 | break; |
ab608344 | 800 | |
61c45981 | 801 | ++str; |
5242519b | 802 | } |
ceb53fbf | 803 | |
89812fc8 JO |
804 | /* |
805 | * precise ip: | |
806 | * | |
807 | * 0 - SAMPLE_IP can have arbitrary skid | |
808 | * 1 - SAMPLE_IP must have constant skid | |
809 | * 2 - SAMPLE_IP requested to have 0 skid | |
810 | * 3 - SAMPLE_IP must have 0 skid | |
811 | * | |
812 | * See also PERF_RECORD_MISC_EXACT_IP | |
813 | */ | |
814 | if (precise > 3) | |
815 | return -EINVAL; | |
ceb53fbf | 816 | |
f5b1135b JO |
817 | mod->eu = eu; |
818 | mod->ek = ek; | |
819 | mod->eh = eh; | |
820 | mod->eH = eH; | |
821 | mod->eG = eG; | |
a1e12da4 | 822 | mod->eI = eI; |
f5b1135b JO |
823 | mod->precise = precise; |
824 | mod->exclude_GH = exclude_GH; | |
3c176311 | 825 | mod->sample_read = sample_read; |
e9a7c414 ME |
826 | mod->pinned = pinned; |
827 | ||
f5b1135b JO |
828 | return 0; |
829 | } | |
830 | ||
534123f4 JO |
831 | /* |
832 | * Basic modifier sanity check to validate it contains only one | |
833 | * instance of any modifier (apart from 'p') present. | |
834 | */ | |
835 | static int check_modifier(char *str) | |
836 | { | |
837 | char *p = str; | |
838 | ||
839 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 840 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
841 | return -1; |
842 | ||
843 | while (*p) { | |
844 | if (*p != 'p' && strchr(p + 1, *p)) | |
845 | return -1; | |
846 | p++; | |
847 | } | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
f5b1135b JO |
852 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
853 | { | |
854 | struct perf_evsel *evsel; | |
855 | struct event_modifier mod; | |
856 | ||
857 | if (str == NULL) | |
858 | return 0; | |
859 | ||
534123f4 JO |
860 | if (check_modifier(str)) |
861 | return -EINVAL; | |
862 | ||
f5b1135b JO |
863 | if (!add && get_event_modifier(&mod, str, NULL)) |
864 | return -EINVAL; | |
865 | ||
0050f7aa | 866 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
867 | if (add && get_event_modifier(&mod, str, evsel)) |
868 | return -EINVAL; | |
869 | ||
870 | evsel->attr.exclude_user = mod.eu; | |
871 | evsel->attr.exclude_kernel = mod.ek; | |
872 | evsel->attr.exclude_hv = mod.eh; | |
873 | evsel->attr.precise_ip = mod.precise; | |
874 | evsel->attr.exclude_host = mod.eH; | |
875 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 876 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 877 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 878 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
879 | |
880 | if (perf_evsel__is_group_leader(evsel)) | |
881 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 882 | } |
ceb53fbf | 883 | |
61c45981 PM |
884 | return 0; |
885 | } | |
8ad8db37 | 886 | |
ac2ba9f3 RR |
887 | int parse_events_name(struct list_head *list, char *name) |
888 | { | |
889 | struct perf_evsel *evsel; | |
890 | ||
0050f7aa | 891 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
892 | if (!evsel->name) |
893 | evsel->name = strdup(name); | |
894 | } | |
895 | ||
896 | return 0; | |
897 | } | |
898 | ||
dcb4e102 KL |
899 | static int |
900 | comp_pmu(const void *p1, const void *p2) | |
901 | { | |
902 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
903 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
904 | ||
905 | return strcmp(pmu1->symbol, pmu2->symbol); | |
906 | } | |
907 | ||
908 | static void perf_pmu__parse_cleanup(void) | |
909 | { | |
910 | if (perf_pmu_events_list_num > 0) { | |
911 | struct perf_pmu_event_symbol *p; | |
912 | int i; | |
913 | ||
914 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
915 | p = perf_pmu_events_list + i; | |
916 | free(p->symbol); | |
917 | } | |
918 | free(perf_pmu_events_list); | |
919 | perf_pmu_events_list = NULL; | |
920 | perf_pmu_events_list_num = 0; | |
921 | } | |
922 | } | |
923 | ||
924 | #define SET_SYMBOL(str, stype) \ | |
925 | do { \ | |
926 | p->symbol = str; \ | |
927 | if (!p->symbol) \ | |
928 | goto err; \ | |
929 | p->type = stype; \ | |
930 | } while (0) | |
931 | ||
932 | /* | |
933 | * Read the pmu events list from sysfs | |
934 | * Save it into perf_pmu_events_list | |
935 | */ | |
936 | static void perf_pmu__parse_init(void) | |
937 | { | |
938 | ||
939 | struct perf_pmu *pmu = NULL; | |
940 | struct perf_pmu_alias *alias; | |
941 | int len = 0; | |
942 | ||
943 | pmu = perf_pmu__find("cpu"); | |
944 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
945 | perf_pmu_events_list_num = -1; | |
946 | return; | |
947 | } | |
948 | list_for_each_entry(alias, &pmu->aliases, list) { | |
949 | if (strchr(alias->name, '-')) | |
950 | len++; | |
951 | len++; | |
952 | } | |
953 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
954 | if (!perf_pmu_events_list) | |
955 | return; | |
956 | perf_pmu_events_list_num = len; | |
957 | ||
958 | len = 0; | |
959 | list_for_each_entry(alias, &pmu->aliases, list) { | |
960 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
961 | char *tmp = strchr(alias->name, '-'); | |
962 | ||
963 | if (tmp != NULL) { | |
964 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
965 | PMU_EVENT_SYMBOL_PREFIX); | |
966 | p++; | |
967 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
968 | len += 2; | |
969 | } else { | |
970 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
971 | len++; | |
972 | } | |
973 | } | |
974 | qsort(perf_pmu_events_list, len, | |
975 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
976 | ||
977 | return; | |
978 | err: | |
979 | perf_pmu__parse_cleanup(); | |
980 | } | |
981 | ||
982 | enum perf_pmu_event_symbol_type | |
983 | perf_pmu__parse_check(const char *name) | |
984 | { | |
985 | struct perf_pmu_event_symbol p, *r; | |
986 | ||
987 | /* scan kernel pmu events from sysfs if needed */ | |
988 | if (perf_pmu_events_list_num == 0) | |
989 | perf_pmu__parse_init(); | |
990 | /* | |
991 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
992 | * cpu-cycles has been handled by hardcode. | |
993 | * So it must be cpu// events, not kernel pmu event. | |
994 | */ | |
995 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
996 | return PMU_EVENT_SYMBOL_ERR; | |
997 | ||
998 | p.symbol = strdup(name); | |
999 | r = bsearch(&p, perf_pmu_events_list, | |
1000 | (size_t) perf_pmu_events_list_num, | |
1001 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1002 | free(p.symbol); | |
1003 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
1004 | } | |
1005 | ||
90e2b22d | 1006 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 1007 | { |
89812fc8 | 1008 | YY_BUFFER_STATE buffer; |
ac20de6f | 1009 | void *scanner; |
46010ab2 | 1010 | int ret; |
bcd3279f | 1011 | |
90e2b22d | 1012 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
1013 | if (ret) |
1014 | return ret; | |
1015 | ||
1016 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 1017 | |
82ba1f2f JO |
1018 | #ifdef PARSER_DEBUG |
1019 | parse_events_debug = 1; | |
1020 | #endif | |
ac20de6f ZY |
1021 | ret = parse_events_parse(data, scanner); |
1022 | ||
1023 | parse_events__flush_buffer(buffer, scanner); | |
1024 | parse_events__delete_buffer(buffer, scanner); | |
1025 | parse_events_lex_destroy(scanner); | |
1026 | return ret; | |
1027 | } | |
bcd3279f | 1028 | |
90e2b22d JO |
1029 | /* |
1030 | * parse event config string, return a list of event terms. | |
1031 | */ | |
1032 | int parse_events_terms(struct list_head *terms, const char *str) | |
1033 | { | |
23b6339b | 1034 | struct parse_events_terms data = { |
90e2b22d JO |
1035 | .terms = NULL, |
1036 | }; | |
1037 | int ret; | |
1038 | ||
1039 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1040 | if (!ret) { | |
1041 | list_splice(data.terms, terms); | |
74cf249d | 1042 | zfree(&data.terms); |
90e2b22d JO |
1043 | return 0; |
1044 | } | |
1045 | ||
b2c34fde AH |
1046 | if (data.terms) |
1047 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1048 | return ret; |
1049 | } | |
1050 | ||
b39b8393 JO |
1051 | int parse_events(struct perf_evlist *evlist, const char *str, |
1052 | struct parse_events_error *err) | |
ac20de6f | 1053 | { |
23b6339b | 1054 | struct parse_events_evlist data = { |
b39b8393 JO |
1055 | .list = LIST_HEAD_INIT(data.list), |
1056 | .idx = evlist->nr_entries, | |
1057 | .error = err, | |
ac20de6f ZY |
1058 | }; |
1059 | int ret; | |
bcd3279f | 1060 | |
90e2b22d | 1061 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1062 | perf_pmu__parse_cleanup(); |
89812fc8 | 1063 | if (!ret) { |
46010ab2 JO |
1064 | int entries = data.idx - evlist->nr_entries; |
1065 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 1066 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
1067 | return 0; |
1068 | } | |
bcd3279f | 1069 | |
5d7be90e JO |
1070 | /* |
1071 | * There are 2 users - builtin-record and builtin-test objects. | |
1072 | * Both call perf_evlist__delete in case of error, so we dont | |
1073 | * need to bother. | |
1074 | */ | |
bcd3279f | 1075 | return ret; |
8ad8db37 IM |
1076 | } |
1077 | ||
b39b8393 JO |
1078 | #define MAX_WIDTH 1000 |
1079 | static int get_term_width(void) | |
1080 | { | |
1081 | struct winsize ws; | |
1082 | ||
1083 | get_term_dimensions(&ws); | |
1084 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
1085 | } | |
1086 | ||
1087 | static void parse_events_print_error(struct parse_events_error *err, | |
1088 | const char *event) | |
1089 | { | |
1090 | const char *str = "invalid or unsupported event: "; | |
1091 | char _buf[MAX_WIDTH]; | |
1092 | char *buf = (char *) event; | |
1093 | int idx = 0; | |
1094 | ||
1095 | if (err->str) { | |
1096 | /* -2 for extra '' in the final fprintf */ | |
1097 | int width = get_term_width() - 2; | |
1098 | int len_event = strlen(event); | |
1099 | int len_str, max_len, cut = 0; | |
1100 | ||
1101 | /* | |
1102 | * Maximum error index indent, we will cut | |
1103 | * the event string if it's bigger. | |
1104 | */ | |
1105 | int max_err_idx = 10; | |
1106 | ||
1107 | /* | |
1108 | * Let's be specific with the message when | |
1109 | * we have the precise error. | |
1110 | */ | |
1111 | str = "event syntax error: "; | |
1112 | len_str = strlen(str); | |
1113 | max_len = width - len_str; | |
1114 | ||
1115 | buf = _buf; | |
1116 | ||
1117 | /* We're cutting from the beggining. */ | |
1118 | if (err->idx > max_err_idx) | |
1119 | cut = err->idx - max_err_idx; | |
1120 | ||
1121 | strncpy(buf, event + cut, max_len); | |
1122 | ||
1123 | /* Mark cut parts with '..' on both sides. */ | |
1124 | if (cut) | |
1125 | buf[0] = buf[1] = '.'; | |
1126 | ||
1127 | if ((len_event - cut) > max_len) { | |
1128 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
1129 | buf[max_len] = 0; | |
1130 | } | |
1131 | ||
1132 | idx = len_str + err->idx - cut; | |
1133 | } | |
1134 | ||
1135 | fprintf(stderr, "%s'%s'\n", str, buf); | |
1136 | if (idx) { | |
1137 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); | |
1138 | if (err->help) | |
1139 | fprintf(stderr, "\n%s\n", err->help); | |
1140 | free(err->str); | |
1141 | free(err->help); | |
1142 | } | |
1143 | ||
1144 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1145 | } | |
1146 | ||
1147 | #undef MAX_WIDTH | |
1148 | ||
f120f9d5 | 1149 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1150 | int unset __maybe_unused) |
f120f9d5 JO |
1151 | { |
1152 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
b39b8393 JO |
1153 | struct parse_events_error err = { .idx = 0, }; |
1154 | int ret = parse_events(evlist, str, &err); | |
1155 | ||
1156 | if (ret) | |
1157 | parse_events_print_error(&err, str); | |
9175ce1f | 1158 | |
9175ce1f | 1159 | return ret; |
f120f9d5 JO |
1160 | } |
1161 | ||
361c99a6 | 1162 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 1163 | int unset __maybe_unused) |
c171b552 | 1164 | { |
361c99a6 | 1165 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 1166 | struct perf_evsel *last = NULL; |
c171b552 | 1167 | |
361c99a6 | 1168 | if (evlist->nr_entries > 0) |
0c21f736 | 1169 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
1170 | |
1171 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 | 1172 | fprintf(stderr, |
281f92f2 | 1173 | "--filter option should follow a -e tracepoint option\n"); |
c171b552 LZ |
1174 | return -1; |
1175 | } | |
1176 | ||
69aad6f1 ACM |
1177 | last->filter = strdup(str); |
1178 | if (last->filter == NULL) { | |
c171b552 LZ |
1179 | fprintf(stderr, "not enough memory to hold filter string\n"); |
1180 | return -1; | |
1181 | } | |
c171b552 LZ |
1182 | |
1183 | return 0; | |
1184 | } | |
1185 | ||
86847b62 | 1186 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1187 | "Hardware event", |
1188 | "Software event", | |
1189 | "Tracepoint event", | |
1190 | "Hardware cache event", | |
41bdcb23 LW |
1191 | "Raw hardware event descriptor", |
1192 | "Hardware breakpoint", | |
86847b62 TG |
1193 | }; |
1194 | ||
ab0e4800 YS |
1195 | static int cmp_string(const void *a, const void *b) |
1196 | { | |
1197 | const char * const *as = a; | |
1198 | const char * const *bs = b; | |
1199 | ||
1200 | return strcmp(*as, *bs); | |
1201 | } | |
1202 | ||
f6bdafef JB |
1203 | /* |
1204 | * Print the events from <debugfs_mount_point>/tracing/events | |
1205 | */ | |
1206 | ||
a3277d2d FW |
1207 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1208 | bool name_only) | |
f6bdafef JB |
1209 | { |
1210 | DIR *sys_dir, *evt_dir; | |
1211 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1212 | char evt_path[MAXPATHLEN]; |
725b1368 | 1213 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1214 | char **evt_list = NULL; |
1215 | unsigned int evt_i = 0, evt_num = 0; | |
1216 | bool evt_num_known = false; | |
f6bdafef | 1217 | |
ab0e4800 | 1218 | restart: |
ebf294bf | 1219 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1220 | if (!sys_dir) |
725b1368 | 1221 | return; |
6b58e7f1 | 1222 | |
ab0e4800 YS |
1223 | if (evt_num_known) { |
1224 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1225 | if (!evt_list) | |
1226 | goto out_close_sys_dir; | |
1227 | } | |
1228 | ||
6b58e7f1 | 1229 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1230 | if (subsys_glob != NULL && |
668b8788 ACM |
1231 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1232 | continue; | |
725b1368 | 1233 | |
ebf294bf | 1234 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1235 | sys_dirent.d_name); |
1236 | evt_dir = opendir(dir_path); | |
1237 | if (!evt_dir) | |
6b58e7f1 | 1238 | continue; |
725b1368 | 1239 | |
6b58e7f1 | 1240 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1241 | if (event_glob != NULL && |
668b8788 ACM |
1242 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1243 | continue; | |
1244 | ||
ab0e4800 YS |
1245 | if (!evt_num_known) { |
1246 | evt_num++; | |
a3277d2d FW |
1247 | continue; |
1248 | } | |
1249 | ||
f6bdafef JB |
1250 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1251 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1252 | |
1253 | evt_list[evt_i] = strdup(evt_path); | |
1254 | if (evt_list[evt_i] == NULL) | |
1255 | goto out_close_evt_dir; | |
1256 | evt_i++; | |
f6bdafef JB |
1257 | } |
1258 | closedir(evt_dir); | |
1259 | } | |
f6bdafef | 1260 | closedir(sys_dir); |
ab0e4800 YS |
1261 | |
1262 | if (!evt_num_known) { | |
1263 | evt_num_known = true; | |
1264 | goto restart; | |
1265 | } | |
1266 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1267 | evt_i = 0; | |
1268 | while (evt_i < evt_num) { | |
1269 | if (name_only) { | |
1270 | printf("%s ", evt_list[evt_i++]); | |
1271 | continue; | |
1272 | } | |
1273 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1274 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1275 | } | |
1276 | if (evt_num) | |
1277 | printf("\n"); | |
1278 | ||
1279 | out_free: | |
1280 | evt_num = evt_i; | |
1281 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1282 | zfree(&evt_list[evt_i]); | |
1283 | zfree(&evt_list); | |
1284 | return; | |
1285 | ||
1286 | out_close_evt_dir: | |
1287 | closedir(evt_dir); | |
1288 | out_close_sys_dir: | |
1289 | closedir(sys_dir); | |
1290 | ||
1291 | printf("FATAL: not enough memory to print %s\n", | |
1292 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1293 | if (evt_list) | |
1294 | goto out_free; | |
f6bdafef JB |
1295 | } |
1296 | ||
20c457b8 TR |
1297 | /* |
1298 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1299 | */ | |
1300 | ||
1301 | int is_valid_tracepoint(const char *event_string) | |
1302 | { | |
1303 | DIR *sys_dir, *evt_dir; | |
1304 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1305 | char evt_path[MAXPATHLEN]; | |
1306 | char dir_path[MAXPATHLEN]; | |
1307 | ||
ebf294bf | 1308 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1309 | if (!sys_dir) |
1310 | return 0; | |
1311 | ||
1312 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1313 | ||
ebf294bf | 1314 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1315 | sys_dirent.d_name); |
1316 | evt_dir = opendir(dir_path); | |
1317 | if (!evt_dir) | |
1318 | continue; | |
1319 | ||
1320 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1321 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1322 | sys_dirent.d_name, evt_dirent.d_name); | |
1323 | if (!strcmp(evt_path, event_string)) { | |
1324 | closedir(evt_dir); | |
1325 | closedir(sys_dir); | |
1326 | return 1; | |
1327 | } | |
1328 | } | |
1329 | closedir(evt_dir); | |
1330 | } | |
1331 | closedir(sys_dir); | |
1332 | return 0; | |
1333 | } | |
1334 | ||
b41f1cec NK |
1335 | static bool is_event_supported(u8 type, unsigned config) |
1336 | { | |
1337 | bool ret = true; | |
88fee52e | 1338 | int open_return; |
b41f1cec NK |
1339 | struct perf_evsel *evsel; |
1340 | struct perf_event_attr attr = { | |
1341 | .type = type, | |
1342 | .config = config, | |
1343 | .disabled = 1, | |
b41f1cec NK |
1344 | }; |
1345 | struct { | |
1346 | struct thread_map map; | |
1347 | int threads[1]; | |
1348 | } tmap = { | |
1349 | .map.nr = 1, | |
1350 | .threads = { 0 }, | |
1351 | }; | |
1352 | ||
ef503831 | 1353 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1354 | if (evsel) { |
88fee52e VW |
1355 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1356 | ret = open_return >= 0; | |
1357 | ||
1358 | if (open_return == -EACCES) { | |
1359 | /* | |
1360 | * This happens if the paranoid value | |
1361 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1362 | * Re-run with exclude_kernel set; we don't do that | |
1363 | * by default as some ARM machines do not support it. | |
1364 | * | |
1365 | */ | |
1366 | evsel->attr.exclude_kernel = 1; | |
1367 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1368 | } | |
b41f1cec NK |
1369 | perf_evsel__delete(evsel); |
1370 | } | |
1371 | ||
1372 | return ret; | |
1373 | } | |
1374 | ||
a3277d2d | 1375 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1376 | { |
ab0e4800 | 1377 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1378 | char name[64]; |
ab0e4800 YS |
1379 | char **evt_list = NULL; |
1380 | bool evt_num_known = false; | |
1381 | ||
1382 | restart: | |
1383 | if (evt_num_known) { | |
1384 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1385 | if (!evt_list) | |
1386 | goto out_enomem; | |
1387 | } | |
668b8788 ACM |
1388 | |
1389 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1390 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1391 | /* skip invalid cache type */ | |
0b668bc9 | 1392 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1393 | continue; |
1394 | ||
1395 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1396 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1397 | name, sizeof(name)); | |
947b4ad1 | 1398 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1399 | continue; |
1400 | ||
b41f1cec NK |
1401 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1402 | type | (op << 8) | (i << 16))) | |
1403 | continue; | |
1404 | ||
ab0e4800 YS |
1405 | if (!evt_num_known) { |
1406 | evt_num++; | |
1407 | continue; | |
1408 | } | |
1409 | ||
1410 | evt_list[evt_i] = strdup(name); | |
1411 | if (evt_list[evt_i] == NULL) | |
1412 | goto out_enomem; | |
1413 | evt_i++; | |
668b8788 ACM |
1414 | } |
1415 | } | |
1416 | } | |
1417 | ||
ab0e4800 YS |
1418 | if (!evt_num_known) { |
1419 | evt_num_known = true; | |
1420 | goto restart; | |
1421 | } | |
1422 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1423 | evt_i = 0; | |
1424 | while (evt_i < evt_num) { | |
1425 | if (name_only) { | |
1426 | printf("%s ", evt_list[evt_i++]); | |
1427 | continue; | |
1428 | } | |
1429 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1430 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1431 | } | |
1432 | if (evt_num) | |
dc098b35 | 1433 | printf("\n"); |
ab0e4800 YS |
1434 | |
1435 | out_free: | |
1436 | evt_num = evt_i; | |
1437 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1438 | zfree(&evt_list[evt_i]); | |
1439 | zfree(&evt_list); | |
1440 | return evt_num; | |
1441 | ||
1442 | out_enomem: | |
1443 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1444 | if (evt_list) | |
1445 | goto out_free; | |
1446 | return evt_num; | |
668b8788 ACM |
1447 | } |
1448 | ||
705750f2 | 1449 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1450 | struct event_symbol *syms, unsigned max, |
1451 | bool name_only) | |
8ad8db37 | 1452 | { |
ab0e4800 | 1453 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1454 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1455 | char **evt_list = NULL; |
1456 | bool evt_num_known = false; | |
1457 | ||
1458 | restart: | |
1459 | if (evt_num_known) { | |
1460 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1461 | if (!evt_list) | |
1462 | goto out_enomem; | |
1463 | syms -= max; | |
1464 | } | |
8ad8db37 | 1465 | |
1dc12760 | 1466 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1467 | |
48000a1a | 1468 | if (event_glob != NULL && |
668b8788 ACM |
1469 | !(strglobmatch(syms->symbol, event_glob) || |
1470 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1471 | continue; | |
8ad8db37 | 1472 | |
b41f1cec NK |
1473 | if (!is_event_supported(type, i)) |
1474 | continue; | |
1475 | ||
ab0e4800 YS |
1476 | if (!evt_num_known) { |
1477 | evt_num++; | |
a3277d2d FW |
1478 | continue; |
1479 | } | |
1480 | ||
ab0e4800 | 1481 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1482 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1483 | else |
947b4ad1 | 1484 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1485 | |
ab0e4800 YS |
1486 | evt_list[evt_i] = strdup(name); |
1487 | if (evt_list[evt_i] == NULL) | |
1488 | goto out_enomem; | |
1489 | evt_i++; | |
8ad8db37 IM |
1490 | } |
1491 | ||
ab0e4800 YS |
1492 | if (!evt_num_known) { |
1493 | evt_num_known = true; | |
1494 | goto restart; | |
1495 | } | |
1496 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1497 | evt_i = 0; | |
1498 | while (evt_i < evt_num) { | |
1499 | if (name_only) { | |
1500 | printf("%s ", evt_list[evt_i++]); | |
1501 | continue; | |
1502 | } | |
1503 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1504 | } | |
1505 | if (evt_num) | |
668b8788 | 1506 | printf("\n"); |
ab0e4800 YS |
1507 | |
1508 | out_free: | |
1509 | evt_num = evt_i; | |
1510 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1511 | zfree(&evt_list[evt_i]); | |
1512 | zfree(&evt_list); | |
1513 | return; | |
1514 | ||
1515 | out_enomem: | |
1516 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1517 | if (evt_list) | |
1518 | goto out_free; | |
1dc12760 JO |
1519 | } |
1520 | ||
1521 | /* | |
1522 | * Print the help text for the event symbols: | |
1523 | */ | |
a3277d2d | 1524 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1525 | { |
1dc12760 | 1526 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1527 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1528 | |
1529 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1530 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1531 | |
a3277d2d | 1532 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1533 | |
dc098b35 AK |
1534 | print_pmu_events(event_glob, name_only); |
1535 | ||
668b8788 ACM |
1536 | if (event_glob != NULL) |
1537 | return; | |
73c24cb8 | 1538 | |
a3277d2d | 1539 | if (!name_only) { |
a3277d2d FW |
1540 | printf(" %-50s [%s]\n", |
1541 | "rNNN", | |
1542 | event_type_descriptors[PERF_TYPE_RAW]); | |
1543 | printf(" %-50s [%s]\n", | |
1544 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1545 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1546 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1547 | printf("\n"); |
1548 | ||
1549 | printf(" %-50s [%s]\n", | |
3741eb9f | 1550 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1551 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1552 | printf("\n"); |
1553 | } | |
1b290d67 | 1554 | |
a3277d2d | 1555 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1556 | } |
8f707d84 | 1557 | |
6cee6cd3 | 1558 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1559 | { |
16fa7e82 | 1560 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1561 | } |
1562 | ||
6cee6cd3 | 1563 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1564 | int type_term, char *config, |
cecf3a2e | 1565 | char *str, u64 num, int err_term, int err_val) |
8f707d84 | 1566 | { |
6cee6cd3 | 1567 | struct parse_events_term *term; |
8f707d84 JO |
1568 | |
1569 | term = zalloc(sizeof(*term)); | |
1570 | if (!term) | |
1571 | return -ENOMEM; | |
1572 | ||
1573 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1574 | term->type_val = type_val; |
1575 | term->type_term = type_term; | |
8f707d84 | 1576 | term->config = config; |
cecf3a2e JO |
1577 | term->err_term = err_term; |
1578 | term->err_val = err_val; | |
8f707d84 | 1579 | |
16fa7e82 | 1580 | switch (type_val) { |
8f707d84 JO |
1581 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1582 | term->val.num = num; | |
1583 | break; | |
1584 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1585 | term->val.str = str; | |
1586 | break; | |
1587 | default: | |
4be8be6b | 1588 | free(term); |
8f707d84 JO |
1589 | return -EINVAL; |
1590 | } | |
1591 | ||
1592 | *_term = term; | |
1593 | return 0; | |
1594 | } | |
1595 | ||
6cee6cd3 | 1596 | int parse_events_term__num(struct parse_events_term **term, |
cecf3a2e | 1597 | int type_term, char *config, u64 num, |
bb78ce7d | 1598 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1599 | { |
bb78ce7d AH |
1600 | YYLTYPE *loc_term = loc_term_; |
1601 | YYLTYPE *loc_val = loc_val_; | |
1602 | ||
16fa7e82 | 1603 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, |
cecf3a2e JO |
1604 | config, NULL, num, |
1605 | loc_term ? loc_term->first_column : 0, | |
1606 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1607 | } |
1608 | ||
6cee6cd3 | 1609 | int parse_events_term__str(struct parse_events_term **term, |
cecf3a2e | 1610 | int type_term, char *config, char *str, |
bb78ce7d | 1611 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1612 | { |
bb78ce7d AH |
1613 | YYLTYPE *loc_term = loc_term_; |
1614 | YYLTYPE *loc_val = loc_val_; | |
1615 | ||
16fa7e82 | 1616 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, |
cecf3a2e JO |
1617 | config, str, 0, |
1618 | loc_term ? loc_term->first_column : 0, | |
1619 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1620 | } |
1621 | ||
6cee6cd3 | 1622 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1623 | char *config, unsigned idx) |
1624 | { | |
1625 | struct event_symbol *sym; | |
1626 | ||
1627 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1628 | sym = &event_symbols_hw[idx]; | |
1629 | ||
1630 | if (config) | |
1631 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1632 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
cecf3a2e | 1633 | (char *) sym->symbol, 0, 0, 0); |
1d33d6dc JO |
1634 | else |
1635 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1636 | PARSE_EVENTS__TERM_TYPE_USER, | |
cecf3a2e JO |
1637 | (char *) "event", (char *) sym->symbol, |
1638 | 0, 0, 0); | |
1d33d6dc JO |
1639 | } |
1640 | ||
6cee6cd3 ACM |
1641 | int parse_events_term__clone(struct parse_events_term **new, |
1642 | struct parse_events_term *term) | |
a6146d50 ZY |
1643 | { |
1644 | return new_term(new, term->type_val, term->type_term, term->config, | |
cecf3a2e JO |
1645 | term->val.str, term->val.num, |
1646 | term->err_term, term->err_val); | |
a6146d50 ZY |
1647 | } |
1648 | ||
8f707d84 JO |
1649 | void parse_events__free_terms(struct list_head *terms) |
1650 | { | |
6cee6cd3 | 1651 | struct parse_events_term *term, *h; |
8f707d84 JO |
1652 | |
1653 | list_for_each_entry_safe(term, h, terms, list) | |
1654 | free(term); | |
8f707d84 | 1655 | } |
b39b8393 JO |
1656 | |
1657 | void parse_events_evlist_error(struct parse_events_evlist *data, | |
1658 | int idx, const char *str) | |
1659 | { | |
1660 | struct parse_events_error *err = data->error; | |
1661 | ||
1662 | err->idx = idx; | |
1663 | err->str = strdup(str); | |
1664 | WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); | |
1665 | } |