Commit | Line | Data |
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d2709c7c | 1 | #include <linux/hw_breakpoint.h> |
8ad8db37 | 2 | #include "util.h" |
6b58e7f1 | 3 | #include "../perf.h" |
361c99a6 | 4 | #include "evlist.h" |
69aad6f1 | 5 | #include "evsel.h" |
8ad8db37 IM |
6 | #include "parse-options.h" |
7 | #include "parse-events.h" | |
8 | #include "exec_cmd.h" | |
42f60c2d | 9 | #include "string.h" |
5aab621b | 10 | #include "symbol.h" |
5beeded1 | 11 | #include "cache.h" |
8755a8f2 | 12 | #include "header.h" |
6e81c74c | 13 | #include "debug.h" |
553873e1 | 14 | #include <api/fs/debugfs.h> |
ac20de6f | 15 | #include "parse-events-bison.h" |
90e2b22d | 16 | #define YY_EXTRA_TYPE int |
89812fc8 | 17 | #include "parse-events-flex.h" |
5f537a26 | 18 | #include "pmu.h" |
b41f1cec | 19 | #include "thread_map.h" |
89812fc8 JO |
20 | |
21 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 22 | |
8ad8db37 | 23 | struct event_symbol { |
83a0944f IM |
24 | const char *symbol; |
25 | const char *alias; | |
8ad8db37 IM |
26 | }; |
27 | ||
82ba1f2f JO |
28 | #ifdef PARSER_DEBUG |
29 | extern int parse_events_debug; | |
30 | #endif | |
ac20de6f | 31 | int parse_events_parse(void *data, void *scanner); |
bcd3279f | 32 | |
dcb4e102 KL |
33 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
34 | /* | |
35 | * The variable indicates the number of supported pmu event symbols. | |
36 | * 0 means not initialized and ready to init | |
37 | * -1 means failed to init, don't try anymore | |
38 | * >0 is the number of supported pmu event symbols | |
39 | */ | |
40 | static int perf_pmu_events_list_num; | |
41 | ||
1dc12760 JO |
42 | static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
43 | [PERF_COUNT_HW_CPU_CYCLES] = { | |
44 | .symbol = "cpu-cycles", | |
45 | .alias = "cycles", | |
46 | }, | |
47 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
48 | .symbol = "instructions", | |
49 | .alias = "", | |
50 | }, | |
51 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
52 | .symbol = "cache-references", | |
53 | .alias = "", | |
54 | }, | |
55 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
56 | .symbol = "cache-misses", | |
57 | .alias = "", | |
58 | }, | |
59 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
60 | .symbol = "branch-instructions", | |
61 | .alias = "branches", | |
62 | }, | |
63 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
64 | .symbol = "branch-misses", | |
65 | .alias = "", | |
66 | }, | |
67 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
68 | .symbol = "bus-cycles", | |
69 | .alias = "", | |
70 | }, | |
71 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
72 | .symbol = "stalled-cycles-frontend", | |
73 | .alias = "idle-cycles-frontend", | |
74 | }, | |
75 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
76 | .symbol = "stalled-cycles-backend", | |
77 | .alias = "idle-cycles-backend", | |
78 | }, | |
79 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
80 | .symbol = "ref-cycles", | |
81 | .alias = "", | |
82 | }, | |
83 | }; | |
84 | ||
85 | static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { | |
86 | [PERF_COUNT_SW_CPU_CLOCK] = { | |
87 | .symbol = "cpu-clock", | |
88 | .alias = "", | |
89 | }, | |
90 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
91 | .symbol = "task-clock", | |
92 | .alias = "", | |
93 | }, | |
94 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
95 | .symbol = "page-faults", | |
96 | .alias = "faults", | |
97 | }, | |
98 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
99 | .symbol = "context-switches", | |
100 | .alias = "cs", | |
101 | }, | |
102 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
103 | .symbol = "cpu-migrations", | |
104 | .alias = "migrations", | |
105 | }, | |
106 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
107 | .symbol = "minor-faults", | |
108 | .alias = "", | |
109 | }, | |
110 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
111 | .symbol = "major-faults", | |
112 | .alias = "", | |
113 | }, | |
114 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
115 | .symbol = "alignment-faults", | |
116 | .alias = "", | |
117 | }, | |
118 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
119 | .symbol = "emulation-faults", | |
120 | .alias = "", | |
121 | }, | |
d22d1a2a AH |
122 | [PERF_COUNT_SW_DUMMY] = { |
123 | .symbol = "dummy", | |
124 | .alias = "", | |
125 | }, | |
8ad8db37 IM |
126 | }; |
127 | ||
cdd6c482 IM |
128 | #define __PERF_EVENT_FIELD(config, name) \ |
129 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 130 | |
1fc570ad | 131 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 132 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 133 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 134 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 135 | |
6b58e7f1 | 136 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 137 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 138 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
139 | (strcmp(sys_dirent.d_name, ".")) && \ |
140 | (strcmp(sys_dirent.d_name, ".."))) | |
141 | ||
ae07b63f PZ |
142 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
143 | { | |
144 | char evt_path[MAXPATHLEN]; | |
145 | int fd; | |
146 | ||
ebf294bf | 147 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
148 | sys_dir->d_name, evt_dir->d_name); |
149 | fd = open(evt_path, O_RDONLY); | |
150 | if (fd < 0) | |
151 | return -EINVAL; | |
152 | close(fd); | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
6b58e7f1 | 157 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 158 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 159 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 160 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
161 | (strcmp(evt_dirent.d_name, "..")) && \ |
162 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 163 | |
270bbbe8 | 164 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 165 | |
f6bdafef | 166 | |
1ef2ed10 | 167 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 168 | { |
1ef2ed10 | 169 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
170 | DIR *sys_dir, *evt_dir; |
171 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 172 | char id_buf[24]; |
725b1368 | 173 | int fd; |
f6bdafef JB |
174 | u64 id; |
175 | char evt_path[MAXPATHLEN]; | |
725b1368 | 176 | char dir_path[MAXPATHLEN]; |
f6bdafef | 177 | |
ebf294bf | 178 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 179 | if (!sys_dir) |
725b1368 | 180 | return NULL; |
6b58e7f1 UD |
181 | |
182 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 183 | |
ebf294bf | 184 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
185 | sys_dirent.d_name); |
186 | evt_dir = opendir(dir_path); | |
187 | if (!evt_dir) | |
6b58e7f1 | 188 | continue; |
725b1368 | 189 | |
6b58e7f1 | 190 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
191 | |
192 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 193 | evt_dirent.d_name); |
725b1368 | 194 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
195 | if (fd < 0) |
196 | continue; | |
197 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
198 | close(fd); | |
199 | continue; | |
200 | } | |
201 | close(fd); | |
202 | id = atoll(id_buf); | |
203 | if (id == config) { | |
204 | closedir(evt_dir); | |
205 | closedir(sys_dir); | |
59b4caeb | 206 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
207 | path->system = malloc(MAX_EVENT_LENGTH); |
208 | if (!path->system) { | |
209 | free(path); | |
210 | return NULL; | |
211 | } | |
212 | path->name = malloc(MAX_EVENT_LENGTH); | |
213 | if (!path->name) { | |
74cf249d | 214 | zfree(&path->system); |
1ef2ed10 FW |
215 | free(path); |
216 | return NULL; | |
217 | } | |
218 | strncpy(path->system, sys_dirent.d_name, | |
219 | MAX_EVENT_LENGTH); | |
220 | strncpy(path->name, evt_dirent.d_name, | |
221 | MAX_EVENT_LENGTH); | |
222 | return path; | |
f6bdafef JB |
223 | } |
224 | } | |
225 | closedir(evt_dir); | |
226 | } | |
227 | ||
f6bdafef | 228 | closedir(sys_dir); |
1ef2ed10 FW |
229 | return NULL; |
230 | } | |
231 | ||
e7c93f09 NK |
232 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
233 | { | |
234 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
235 | char *str = strchr(name, ':'); | |
236 | ||
237 | if (path == NULL || str == NULL) { | |
238 | free(path); | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | path->system = strndup(name, str - name); | |
243 | path->name = strdup(str+1); | |
244 | ||
245 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
246 | zfree(&path->system); |
247 | zfree(&path->name); | |
e7c93f09 NK |
248 | free(path); |
249 | path = NULL; | |
250 | } | |
251 | ||
252 | return path; | |
253 | } | |
254 | ||
1424dc96 DA |
255 | const char *event_type(int type) |
256 | { | |
257 | switch (type) { | |
258 | case PERF_TYPE_HARDWARE: | |
259 | return "hardware"; | |
260 | ||
261 | case PERF_TYPE_SOFTWARE: | |
262 | return "software"; | |
263 | ||
264 | case PERF_TYPE_TRACEPOINT: | |
265 | return "tracepoint"; | |
266 | ||
267 | case PERF_TYPE_HW_CACHE: | |
268 | return "hardware-cache"; | |
269 | ||
270 | default: | |
271 | break; | |
272 | } | |
273 | ||
274 | return "unknown"; | |
275 | } | |
276 | ||
7ae92e74 YZ |
277 | |
278 | ||
410136f5 SE |
279 | static struct perf_evsel * |
280 | __add_event(struct list_head *list, int *idx, | |
281 | struct perf_event_attr *attr, | |
282 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
283 | { |
284 | struct perf_evsel *evsel; | |
285 | ||
286 | event_attr_init(attr); | |
287 | ||
ef503831 | 288 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 289 | if (!evsel) |
410136f5 | 290 | return NULL; |
89812fc8 | 291 | |
7ae92e74 | 292 | evsel->cpus = cpus; |
9db1763c ACM |
293 | if (name) |
294 | evsel->name = strdup(name); | |
b847cbdc | 295 | list_add_tail(&evsel->node, list); |
410136f5 | 296 | return evsel; |
89812fc8 JO |
297 | } |
298 | ||
c5cd8ac0 | 299 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
300 | struct perf_event_attr *attr, char *name) |
301 | { | |
410136f5 | 302 | return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
7ae92e74 YZ |
303 | } |
304 | ||
0b668bc9 | 305 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
306 | { |
307 | int i, j; | |
61c45981 | 308 | int n, longest = -1; |
8326f44d IM |
309 | |
310 | for (i = 0; i < size; i++) { | |
0b668bc9 | 311 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 312 | n = strlen(names[i][j]); |
89812fc8 | 313 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
314 | longest = n; |
315 | } | |
89812fc8 | 316 | if (longest > 0) |
61c45981 | 317 | return i; |
8326f44d IM |
318 | } |
319 | ||
8953645f | 320 | return -1; |
8326f44d IM |
321 | } |
322 | ||
c5cd8ac0 | 323 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 324 | char *type, char *op_result1, char *op_result2) |
8326f44d | 325 | { |
89812fc8 JO |
326 | struct perf_event_attr attr; |
327 | char name[MAX_NAME_LEN]; | |
61c45981 | 328 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
329 | char *op_result[2] = { op_result1, op_result2 }; |
330 | int i, n; | |
8326f44d | 331 | |
8326f44d IM |
332 | /* |
333 | * No fallback - if we cannot get a clear cache type | |
334 | * then bail out: | |
335 | */ | |
0b668bc9 | 336 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 337 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 338 | if (cache_type == -1) |
89812fc8 JO |
339 | return -EINVAL; |
340 | ||
341 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 342 | |
89812fc8 JO |
343 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
344 | char *str = op_result[i]; | |
345 | ||
275ef387 | 346 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
347 | |
348 | if (cache_op == -1) { | |
0b668bc9 | 349 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 350 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 351 | if (cache_op >= 0) { |
0b668bc9 | 352 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 353 | return -EINVAL; |
61c45981 PM |
354 | continue; |
355 | } | |
356 | } | |
357 | ||
358 | if (cache_result == -1) { | |
0b668bc9 ACM |
359 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
360 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
361 | if (cache_result >= 0) |
362 | continue; | |
363 | } | |
61c45981 | 364 | } |
8326f44d | 365 | |
8326f44d IM |
366 | /* |
367 | * Fall back to reads: | |
368 | */ | |
8953645f IM |
369 | if (cache_op == -1) |
370 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 371 | |
8326f44d IM |
372 | /* |
373 | * Fall back to accesses: | |
374 | */ | |
375 | if (cache_result == -1) | |
376 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
377 | ||
89812fc8 JO |
378 | memset(&attr, 0, sizeof(attr)); |
379 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
380 | attr.type = PERF_TYPE_HW_CACHE; | |
381 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
382 | } |
383 | ||
c5cd8ac0 | 384 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 385 | char *sys_name, char *evt_name) |
bcd3279f | 386 | { |
82fe1c29 | 387 | struct perf_evsel *evsel; |
bcd3279f | 388 | |
ef503831 | 389 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 390 | if (!evsel) |
82fe1c29 | 391 | return -ENOMEM; |
bcd3279f | 392 | |
82fe1c29 | 393 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 394 | |
82fe1c29 | 395 | return 0; |
8326f44d IM |
396 | } |
397 | ||
c5cd8ac0 | 398 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 399 | char *sys_name, char *evt_name) |
bcd3279f FW |
400 | { |
401 | char evt_path[MAXPATHLEN]; | |
402 | struct dirent *evt_ent; | |
403 | DIR *evt_dir; | |
89812fc8 | 404 | int ret = 0; |
bcd3279f | 405 | |
ebf294bf | 406 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 407 | evt_dir = opendir(evt_path); |
bcd3279f FW |
408 | if (!evt_dir) { |
409 | perror("Can't open event dir"); | |
89812fc8 | 410 | return -1; |
bcd3279f FW |
411 | } |
412 | ||
89812fc8 | 413 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
414 | if (!strcmp(evt_ent->d_name, ".") |
415 | || !strcmp(evt_ent->d_name, "..") | |
416 | || !strcmp(evt_ent->d_name, "enable") | |
417 | || !strcmp(evt_ent->d_name, "filter")) | |
418 | continue; | |
419 | ||
89812fc8 | 420 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
421 | continue; |
422 | ||
89812fc8 | 423 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
424 | } |
425 | ||
0bd3f084 | 426 | closedir(evt_dir); |
89812fc8 | 427 | return ret; |
bcd3279f FW |
428 | } |
429 | ||
c5cd8ac0 | 430 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
431 | char *sys_name, char *evt_name) |
432 | { | |
433 | return strpbrk(evt_name, "*?") ? | |
434 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
435 | add_tracepoint(list, idx, sys_name, evt_name); | |
436 | } | |
437 | ||
c5cd8ac0 | 438 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
439 | char *sys_name, char *evt_name) |
440 | { | |
441 | struct dirent *events_ent; | |
442 | DIR *events_dir; | |
443 | int ret = 0; | |
444 | ||
445 | events_dir = opendir(tracing_events_path); | |
446 | if (!events_dir) { | |
447 | perror("Can't open event dir"); | |
448 | return -1; | |
449 | } | |
450 | ||
451 | while (!ret && (events_ent = readdir(events_dir))) { | |
452 | if (!strcmp(events_ent->d_name, ".") | |
453 | || !strcmp(events_ent->d_name, "..") | |
454 | || !strcmp(events_ent->d_name, "enable") | |
455 | || !strcmp(events_ent->d_name, "header_event") | |
456 | || !strcmp(events_ent->d_name, "header_page")) | |
457 | continue; | |
458 | ||
459 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
460 | continue; | |
461 | ||
462 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
463 | evt_name); | |
464 | } | |
465 | ||
466 | closedir(events_dir); | |
467 | return ret; | |
468 | } | |
469 | ||
c5cd8ac0 | 470 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 471 | char *sys, char *event) |
f6bdafef | 472 | { |
f35488f9 JO |
473 | if (strpbrk(sys, "*?")) |
474 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
475 | else | |
476 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
477 | } |
478 | ||
89812fc8 JO |
479 | static int |
480 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
481 | { |
482 | int i; | |
483 | ||
484 | for (i = 0; i < 3; i++) { | |
89812fc8 | 485 | if (!type || !type[i]) |
1b290d67 FW |
486 | break; |
487 | ||
7582732f JO |
488 | #define CHECK_SET_TYPE(bit) \ |
489 | do { \ | |
490 | if (attr->bp_type & bit) \ | |
491 | return -EINVAL; \ | |
492 | else \ | |
493 | attr->bp_type |= bit; \ | |
494 | } while (0) | |
495 | ||
1b290d67 FW |
496 | switch (type[i]) { |
497 | case 'r': | |
7582732f | 498 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
499 | break; |
500 | case 'w': | |
7582732f | 501 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
502 | break; |
503 | case 'x': | |
7582732f | 504 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
505 | break; |
506 | default: | |
89812fc8 | 507 | return -EINVAL; |
1b290d67 FW |
508 | } |
509 | } | |
89812fc8 | 510 | |
7582732f JO |
511 | #undef CHECK_SET_TYPE |
512 | ||
1b290d67 FW |
513 | if (!attr->bp_type) /* Default */ |
514 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
515 | ||
89812fc8 | 516 | return 0; |
1b290d67 FW |
517 | } |
518 | ||
c5cd8ac0 | 519 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 520 | void *ptr, char *type, u64 len) |
1b290d67 | 521 | { |
89812fc8 | 522 | struct perf_event_attr attr; |
1b290d67 | 523 | |
89812fc8 | 524 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 525 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 526 | |
89812fc8 JO |
527 | if (parse_breakpoint_type(type, &attr)) |
528 | return -EINVAL; | |
1b290d67 | 529 | |
3741eb9f JS |
530 | /* Provide some defaults if len is not specified */ |
531 | if (!len) { | |
532 | if (attr.bp_type == HW_BREAKPOINT_X) | |
533 | len = sizeof(long); | |
534 | else | |
535 | len = HW_BREAKPOINT_LEN_4; | |
536 | } | |
537 | ||
538 | attr.bp_len = len; | |
61c45981 | 539 | |
89812fc8 | 540 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 541 | attr.sample_period = 1; |
b908debd | 542 | |
287e74aa | 543 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
544 | } |
545 | ||
8f707d84 | 546 | static int config_term(struct perf_event_attr *attr, |
6cee6cd3 | 547 | struct parse_events_term *term) |
8f707d84 | 548 | { |
16fa7e82 JO |
549 | #define CHECK_TYPE_VAL(type) \ |
550 | do { \ | |
551 | if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \ | |
552 | return -EINVAL; \ | |
553 | } while (0) | |
554 | ||
555 | switch (term->type_term) { | |
8f707d84 | 556 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 557 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
558 | attr->config = term->val.num; |
559 | break; | |
560 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 561 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
562 | attr->config1 = term->val.num; |
563 | break; | |
564 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 565 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
566 | attr->config2 = term->val.num; |
567 | break; | |
568 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 569 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
570 | attr->sample_period = term->val.num; |
571 | break; | |
572 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
573 | /* | |
574 | * TODO uncomment when the field is available | |
575 | * attr->branch_sample_type = term->val.num; | |
576 | */ | |
577 | break; | |
6b5fc39b JO |
578 | case PARSE_EVENTS__TERM_TYPE_NAME: |
579 | CHECK_TYPE_VAL(STR); | |
580 | break; | |
8f707d84 JO |
581 | default: |
582 | return -EINVAL; | |
583 | } | |
16fa7e82 | 584 | |
8f707d84 | 585 | return 0; |
16fa7e82 | 586 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
587 | } |
588 | ||
589 | static int config_attr(struct perf_event_attr *attr, | |
590 | struct list_head *head, int fail) | |
591 | { | |
6cee6cd3 | 592 | struct parse_events_term *term; |
8f707d84 JO |
593 | |
594 | list_for_each_entry(term, head, list) | |
595 | if (config_term(attr, term) && fail) | |
596 | return -EINVAL; | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
c5cd8ac0 | 601 | int parse_events_add_numeric(struct list_head *list, int *idx, |
b527bab5 | 602 | u32 type, u64 config, |
8f707d84 | 603 | struct list_head *head_config) |
8ad8db37 | 604 | { |
89812fc8 | 605 | struct perf_event_attr attr; |
61c45981 | 606 | |
89812fc8 JO |
607 | memset(&attr, 0, sizeof(attr)); |
608 | attr.type = type; | |
609 | attr.config = config; | |
8f707d84 JO |
610 | |
611 | if (head_config && | |
612 | config_attr(&attr, head_config, 1)) | |
613 | return -EINVAL; | |
614 | ||
9db1763c | 615 | return add_event(list, idx, &attr, NULL); |
61c45981 | 616 | } |
8ad8db37 | 617 | |
6cee6cd3 | 618 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
619 | { |
620 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
621 | } | |
622 | ||
9db1763c | 623 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 624 | { |
6cee6cd3 | 625 | struct parse_events_term *term; |
6b5fc39b JO |
626 | |
627 | list_for_each_entry(term, head_terms, list) | |
628 | if (parse_events__is_name_term(term)) | |
629 | return term->val.str; | |
630 | ||
9db1763c | 631 | return NULL; |
6b5fc39b JO |
632 | } |
633 | ||
c5cd8ac0 | 634 | int parse_events_add_pmu(struct list_head *list, int *idx, |
5f537a26 JO |
635 | char *name, struct list_head *head_config) |
636 | { | |
637 | struct perf_event_attr attr; | |
46441bdc | 638 | struct perf_pmu_info info; |
5f537a26 | 639 | struct perf_pmu *pmu; |
410136f5 | 640 | struct perf_evsel *evsel; |
5f537a26 JO |
641 | |
642 | pmu = perf_pmu__find(name); | |
643 | if (!pmu) | |
644 | return -EINVAL; | |
645 | ||
dc0a6202 AH |
646 | if (pmu->default_config) { |
647 | memcpy(&attr, pmu->default_config, | |
648 | sizeof(struct perf_event_attr)); | |
649 | } else { | |
650 | memset(&attr, 0, sizeof(attr)); | |
651 | } | |
5f537a26 | 652 | |
ad962273 AH |
653 | if (!head_config) { |
654 | attr.type = pmu->type; | |
655 | evsel = __add_event(list, idx, &attr, NULL, pmu->cpus); | |
656 | return evsel ? 0 : -ENOMEM; | |
657 | } | |
658 | ||
46441bdc | 659 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
660 | return -EINVAL; |
661 | ||
5f537a26 JO |
662 | /* |
663 | * Configure hardcoded terms first, no need to check | |
664 | * return value when called with fail == 0 ;) | |
665 | */ | |
666 | config_attr(&attr, head_config, 0); | |
667 | ||
668 | if (perf_pmu__config(pmu, &attr, head_config)) | |
669 | return -EINVAL; | |
670 | ||
410136f5 SE |
671 | evsel = __add_event(list, idx, &attr, pmu_event_name(head_config), |
672 | pmu->cpus); | |
673 | if (evsel) { | |
46441bdc MF |
674 | evsel->unit = info.unit; |
675 | evsel->scale = info.scale; | |
044330c1 | 676 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 677 | evsel->snapshot = info.snapshot; |
410136f5 SE |
678 | } |
679 | ||
680 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
681 | } |
682 | ||
6a4bb04c JO |
683 | int parse_events__modifier_group(struct list_head *list, |
684 | char *event_mod) | |
89efb029 | 685 | { |
6a4bb04c JO |
686 | return parse_events__modifier_event(list, event_mod, true); |
687 | } | |
688 | ||
63dab225 | 689 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
690 | { |
691 | struct perf_evsel *leader; | |
692 | ||
63dab225 ACM |
693 | __perf_evlist__set_leader(list); |
694 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 695 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
696 | } |
697 | ||
c5cd8ac0 | 698 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
699 | void parse_events_update_lists(struct list_head *list_event, |
700 | struct list_head *list_all) | |
701 | { | |
702 | /* | |
703 | * Called for single event definition. Update the | |
89efb029 | 704 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
705 | * list, for next event definition. |
706 | */ | |
707 | list_splice_tail(list_event, list_all); | |
b847cbdc | 708 | free(list_event); |
5d7be90e JO |
709 | } |
710 | ||
f5b1135b JO |
711 | struct event_modifier { |
712 | int eu; | |
713 | int ek; | |
714 | int eh; | |
715 | int eH; | |
716 | int eG; | |
717 | int precise; | |
718 | int exclude_GH; | |
3c176311 | 719 | int sample_read; |
e9a7c414 | 720 | int pinned; |
f5b1135b JO |
721 | }; |
722 | ||
723 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
724 | struct perf_evsel *evsel) | |
61c45981 | 725 | { |
f5b1135b JO |
726 | int eu = evsel ? evsel->attr.exclude_user : 0; |
727 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
728 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
729 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
730 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
731 | int precise = evsel ? evsel->attr.precise_ip : 0; | |
3c176311 | 732 | int sample_read = 0; |
e9a7c414 | 733 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 734 | |
f5b1135b JO |
735 | int exclude = eu | ek | eh; |
736 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
737 | ||
f5b1135b | 738 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 739 | |
61c45981 | 740 | while (*str) { |
ab608344 PZ |
741 | if (*str == 'u') { |
742 | if (!exclude) | |
743 | exclude = eu = ek = eh = 1; | |
61c45981 | 744 | eu = 0; |
ab608344 PZ |
745 | } else if (*str == 'k') { |
746 | if (!exclude) | |
747 | exclude = eu = ek = eh = 1; | |
61c45981 | 748 | ek = 0; |
ab608344 PZ |
749 | } else if (*str == 'h') { |
750 | if (!exclude) | |
751 | exclude = eu = ek = eh = 1; | |
61c45981 | 752 | eh = 0; |
99320cc8 JR |
753 | } else if (*str == 'G') { |
754 | if (!exclude_GH) | |
755 | exclude_GH = eG = eH = 1; | |
756 | eG = 0; | |
757 | } else if (*str == 'H') { | |
758 | if (!exclude_GH) | |
759 | exclude_GH = eG = eH = 1; | |
760 | eH = 0; | |
ab608344 PZ |
761 | } else if (*str == 'p') { |
762 | precise++; | |
1342798c DA |
763 | /* use of precise requires exclude_guest */ |
764 | if (!exclude_GH) | |
765 | eG = 1; | |
3c176311 JO |
766 | } else if (*str == 'S') { |
767 | sample_read = 1; | |
e9a7c414 ME |
768 | } else if (*str == 'D') { |
769 | pinned = 1; | |
ab608344 | 770 | } else |
61c45981 | 771 | break; |
ab608344 | 772 | |
61c45981 | 773 | ++str; |
5242519b | 774 | } |
ceb53fbf | 775 | |
89812fc8 JO |
776 | /* |
777 | * precise ip: | |
778 | * | |
779 | * 0 - SAMPLE_IP can have arbitrary skid | |
780 | * 1 - SAMPLE_IP must have constant skid | |
781 | * 2 - SAMPLE_IP requested to have 0 skid | |
782 | * 3 - SAMPLE_IP must have 0 skid | |
783 | * | |
784 | * See also PERF_RECORD_MISC_EXACT_IP | |
785 | */ | |
786 | if (precise > 3) | |
787 | return -EINVAL; | |
ceb53fbf | 788 | |
f5b1135b JO |
789 | mod->eu = eu; |
790 | mod->ek = ek; | |
791 | mod->eh = eh; | |
792 | mod->eH = eH; | |
793 | mod->eG = eG; | |
794 | mod->precise = precise; | |
795 | mod->exclude_GH = exclude_GH; | |
3c176311 | 796 | mod->sample_read = sample_read; |
e9a7c414 ME |
797 | mod->pinned = pinned; |
798 | ||
f5b1135b JO |
799 | return 0; |
800 | } | |
801 | ||
534123f4 JO |
802 | /* |
803 | * Basic modifier sanity check to validate it contains only one | |
804 | * instance of any modifier (apart from 'p') present. | |
805 | */ | |
806 | static int check_modifier(char *str) | |
807 | { | |
808 | char *p = str; | |
809 | ||
810 | /* The sizeof includes 0 byte as well. */ | |
e9a7c414 | 811 | if (strlen(str) > (sizeof("ukhGHpppSD") - 1)) |
534123f4 JO |
812 | return -1; |
813 | ||
814 | while (*p) { | |
815 | if (*p != 'p' && strchr(p + 1, *p)) | |
816 | return -1; | |
817 | p++; | |
818 | } | |
819 | ||
820 | return 0; | |
821 | } | |
822 | ||
f5b1135b JO |
823 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
824 | { | |
825 | struct perf_evsel *evsel; | |
826 | struct event_modifier mod; | |
827 | ||
828 | if (str == NULL) | |
829 | return 0; | |
830 | ||
534123f4 JO |
831 | if (check_modifier(str)) |
832 | return -EINVAL; | |
833 | ||
f5b1135b JO |
834 | if (!add && get_event_modifier(&mod, str, NULL)) |
835 | return -EINVAL; | |
836 | ||
0050f7aa | 837 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
838 | if (add && get_event_modifier(&mod, str, evsel)) |
839 | return -EINVAL; | |
840 | ||
841 | evsel->attr.exclude_user = mod.eu; | |
842 | evsel->attr.exclude_kernel = mod.ek; | |
843 | evsel->attr.exclude_hv = mod.eh; | |
844 | evsel->attr.precise_ip = mod.precise; | |
845 | evsel->attr.exclude_host = mod.eH; | |
846 | evsel->attr.exclude_guest = mod.eG; | |
847 | evsel->exclude_GH = mod.exclude_GH; | |
3c176311 | 848 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
849 | |
850 | if (perf_evsel__is_group_leader(evsel)) | |
851 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 852 | } |
ceb53fbf | 853 | |
61c45981 PM |
854 | return 0; |
855 | } | |
8ad8db37 | 856 | |
ac2ba9f3 RR |
857 | int parse_events_name(struct list_head *list, char *name) |
858 | { | |
859 | struct perf_evsel *evsel; | |
860 | ||
0050f7aa | 861 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
862 | if (!evsel->name) |
863 | evsel->name = strdup(name); | |
864 | } | |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
dcb4e102 KL |
869 | static int |
870 | comp_pmu(const void *p1, const void *p2) | |
871 | { | |
872 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
873 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
874 | ||
875 | return strcmp(pmu1->symbol, pmu2->symbol); | |
876 | } | |
877 | ||
878 | static void perf_pmu__parse_cleanup(void) | |
879 | { | |
880 | if (perf_pmu_events_list_num > 0) { | |
881 | struct perf_pmu_event_symbol *p; | |
882 | int i; | |
883 | ||
884 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
885 | p = perf_pmu_events_list + i; | |
886 | free(p->symbol); | |
887 | } | |
888 | free(perf_pmu_events_list); | |
889 | perf_pmu_events_list = NULL; | |
890 | perf_pmu_events_list_num = 0; | |
891 | } | |
892 | } | |
893 | ||
894 | #define SET_SYMBOL(str, stype) \ | |
895 | do { \ | |
896 | p->symbol = str; \ | |
897 | if (!p->symbol) \ | |
898 | goto err; \ | |
899 | p->type = stype; \ | |
900 | } while (0) | |
901 | ||
902 | /* | |
903 | * Read the pmu events list from sysfs | |
904 | * Save it into perf_pmu_events_list | |
905 | */ | |
906 | static void perf_pmu__parse_init(void) | |
907 | { | |
908 | ||
909 | struct perf_pmu *pmu = NULL; | |
910 | struct perf_pmu_alias *alias; | |
911 | int len = 0; | |
912 | ||
913 | pmu = perf_pmu__find("cpu"); | |
914 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
915 | perf_pmu_events_list_num = -1; | |
916 | return; | |
917 | } | |
918 | list_for_each_entry(alias, &pmu->aliases, list) { | |
919 | if (strchr(alias->name, '-')) | |
920 | len++; | |
921 | len++; | |
922 | } | |
923 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
924 | if (!perf_pmu_events_list) | |
925 | return; | |
926 | perf_pmu_events_list_num = len; | |
927 | ||
928 | len = 0; | |
929 | list_for_each_entry(alias, &pmu->aliases, list) { | |
930 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
931 | char *tmp = strchr(alias->name, '-'); | |
932 | ||
933 | if (tmp != NULL) { | |
934 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
935 | PMU_EVENT_SYMBOL_PREFIX); | |
936 | p++; | |
937 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
938 | len += 2; | |
939 | } else { | |
940 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
941 | len++; | |
942 | } | |
943 | } | |
944 | qsort(perf_pmu_events_list, len, | |
945 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
946 | ||
947 | return; | |
948 | err: | |
949 | perf_pmu__parse_cleanup(); | |
950 | } | |
951 | ||
952 | enum perf_pmu_event_symbol_type | |
953 | perf_pmu__parse_check(const char *name) | |
954 | { | |
955 | struct perf_pmu_event_symbol p, *r; | |
956 | ||
957 | /* scan kernel pmu events from sysfs if needed */ | |
958 | if (perf_pmu_events_list_num == 0) | |
959 | perf_pmu__parse_init(); | |
960 | /* | |
961 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
962 | * cpu-cycles has been handled by hardcode. | |
963 | * So it must be cpu// events, not kernel pmu event. | |
964 | */ | |
965 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
966 | return PMU_EVENT_SYMBOL_ERR; | |
967 | ||
968 | p.symbol = strdup(name); | |
969 | r = bsearch(&p, perf_pmu_events_list, | |
970 | (size_t) perf_pmu_events_list_num, | |
971 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
972 | free(p.symbol); | |
973 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
974 | } | |
975 | ||
90e2b22d | 976 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 977 | { |
89812fc8 | 978 | YY_BUFFER_STATE buffer; |
ac20de6f | 979 | void *scanner; |
46010ab2 | 980 | int ret; |
bcd3279f | 981 | |
90e2b22d | 982 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
983 | if (ret) |
984 | return ret; | |
985 | ||
986 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 987 | |
82ba1f2f JO |
988 | #ifdef PARSER_DEBUG |
989 | parse_events_debug = 1; | |
990 | #endif | |
ac20de6f ZY |
991 | ret = parse_events_parse(data, scanner); |
992 | ||
993 | parse_events__flush_buffer(buffer, scanner); | |
994 | parse_events__delete_buffer(buffer, scanner); | |
995 | parse_events_lex_destroy(scanner); | |
996 | return ret; | |
997 | } | |
bcd3279f | 998 | |
90e2b22d JO |
999 | /* |
1000 | * parse event config string, return a list of event terms. | |
1001 | */ | |
1002 | int parse_events_terms(struct list_head *terms, const char *str) | |
1003 | { | |
23b6339b | 1004 | struct parse_events_terms data = { |
90e2b22d JO |
1005 | .terms = NULL, |
1006 | }; | |
1007 | int ret; | |
1008 | ||
1009 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1010 | if (!ret) { | |
1011 | list_splice(data.terms, terms); | |
74cf249d | 1012 | zfree(&data.terms); |
90e2b22d JO |
1013 | return 0; |
1014 | } | |
1015 | ||
b2c34fde AH |
1016 | if (data.terms) |
1017 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1018 | return ret; |
1019 | } | |
1020 | ||
d8f7bbc9 | 1021 | int parse_events(struct perf_evlist *evlist, const char *str) |
ac20de6f | 1022 | { |
23b6339b | 1023 | struct parse_events_evlist data = { |
ac20de6f ZY |
1024 | .list = LIST_HEAD_INIT(data.list), |
1025 | .idx = evlist->nr_entries, | |
1026 | }; | |
1027 | int ret; | |
bcd3279f | 1028 | |
90e2b22d | 1029 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1030 | perf_pmu__parse_cleanup(); |
89812fc8 | 1031 | if (!ret) { |
46010ab2 JO |
1032 | int entries = data.idx - evlist->nr_entries; |
1033 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 1034 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
1035 | return 0; |
1036 | } | |
bcd3279f | 1037 | |
5d7be90e JO |
1038 | /* |
1039 | * There are 2 users - builtin-record and builtin-test objects. | |
1040 | * Both call perf_evlist__delete in case of error, so we dont | |
1041 | * need to bother. | |
1042 | */ | |
bcd3279f | 1043 | return ret; |
8ad8db37 IM |
1044 | } |
1045 | ||
f120f9d5 | 1046 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1047 | int unset __maybe_unused) |
f120f9d5 JO |
1048 | { |
1049 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
d8f7bbc9 | 1050 | int ret = parse_events(evlist, str); |
9175ce1f AK |
1051 | |
1052 | if (ret) { | |
1053 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); | |
1054 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1055 | } | |
1056 | return ret; | |
f120f9d5 JO |
1057 | } |
1058 | ||
361c99a6 | 1059 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 1060 | int unset __maybe_unused) |
c171b552 | 1061 | { |
361c99a6 | 1062 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 1063 | struct perf_evsel *last = NULL; |
c171b552 | 1064 | |
361c99a6 | 1065 | if (evlist->nr_entries > 0) |
0c21f736 | 1066 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
1067 | |
1068 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 | 1069 | fprintf(stderr, |
281f92f2 | 1070 | "--filter option should follow a -e tracepoint option\n"); |
c171b552 LZ |
1071 | return -1; |
1072 | } | |
1073 | ||
69aad6f1 ACM |
1074 | last->filter = strdup(str); |
1075 | if (last->filter == NULL) { | |
c171b552 LZ |
1076 | fprintf(stderr, "not enough memory to hold filter string\n"); |
1077 | return -1; | |
1078 | } | |
c171b552 LZ |
1079 | |
1080 | return 0; | |
1081 | } | |
1082 | ||
86847b62 | 1083 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1084 | "Hardware event", |
1085 | "Software event", | |
1086 | "Tracepoint event", | |
1087 | "Hardware cache event", | |
41bdcb23 LW |
1088 | "Raw hardware event descriptor", |
1089 | "Hardware breakpoint", | |
86847b62 TG |
1090 | }; |
1091 | ||
f6bdafef JB |
1092 | /* |
1093 | * Print the events from <debugfs_mount_point>/tracing/events | |
1094 | */ | |
1095 | ||
a3277d2d FW |
1096 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1097 | bool name_only) | |
f6bdafef JB |
1098 | { |
1099 | DIR *sys_dir, *evt_dir; | |
1100 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1101 | char evt_path[MAXPATHLEN]; |
725b1368 | 1102 | char dir_path[MAXPATHLEN]; |
f6bdafef | 1103 | |
ebf294bf | 1104 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1105 | if (!sys_dir) |
725b1368 | 1106 | return; |
6b58e7f1 UD |
1107 | |
1108 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
48000a1a | 1109 | if (subsys_glob != NULL && |
668b8788 ACM |
1110 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1111 | continue; | |
725b1368 | 1112 | |
ebf294bf | 1113 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1114 | sys_dirent.d_name); |
1115 | evt_dir = opendir(dir_path); | |
1116 | if (!evt_dir) | |
6b58e7f1 | 1117 | continue; |
725b1368 | 1118 | |
6b58e7f1 | 1119 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1120 | if (event_glob != NULL && |
668b8788 ACM |
1121 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1122 | continue; | |
1123 | ||
a3277d2d FW |
1124 | if (name_only) { |
1125 | printf("%s:%s ", sys_dirent.d_name, evt_dirent.d_name); | |
1126 | continue; | |
1127 | } | |
1128 | ||
f6bdafef JB |
1129 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1130 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 1131 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 1132 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
1133 | } |
1134 | closedir(evt_dir); | |
1135 | } | |
f6bdafef JB |
1136 | closedir(sys_dir); |
1137 | } | |
1138 | ||
20c457b8 TR |
1139 | /* |
1140 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1141 | */ | |
1142 | ||
1143 | int is_valid_tracepoint(const char *event_string) | |
1144 | { | |
1145 | DIR *sys_dir, *evt_dir; | |
1146 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1147 | char evt_path[MAXPATHLEN]; | |
1148 | char dir_path[MAXPATHLEN]; | |
1149 | ||
ebf294bf | 1150 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1151 | if (!sys_dir) |
1152 | return 0; | |
1153 | ||
1154 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1155 | ||
ebf294bf | 1156 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1157 | sys_dirent.d_name); |
1158 | evt_dir = opendir(dir_path); | |
1159 | if (!evt_dir) | |
1160 | continue; | |
1161 | ||
1162 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1163 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1164 | sys_dirent.d_name, evt_dirent.d_name); | |
1165 | if (!strcmp(evt_path, event_string)) { | |
1166 | closedir(evt_dir); | |
1167 | closedir(sys_dir); | |
1168 | return 1; | |
1169 | } | |
1170 | } | |
1171 | closedir(evt_dir); | |
1172 | } | |
1173 | closedir(sys_dir); | |
1174 | return 0; | |
1175 | } | |
1176 | ||
b41f1cec NK |
1177 | static bool is_event_supported(u8 type, unsigned config) |
1178 | { | |
1179 | bool ret = true; | |
88fee52e | 1180 | int open_return; |
b41f1cec NK |
1181 | struct perf_evsel *evsel; |
1182 | struct perf_event_attr attr = { | |
1183 | .type = type, | |
1184 | .config = config, | |
1185 | .disabled = 1, | |
b41f1cec NK |
1186 | }; |
1187 | struct { | |
1188 | struct thread_map map; | |
1189 | int threads[1]; | |
1190 | } tmap = { | |
1191 | .map.nr = 1, | |
1192 | .threads = { 0 }, | |
1193 | }; | |
1194 | ||
ef503831 | 1195 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1196 | if (evsel) { |
88fee52e VW |
1197 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1198 | ret = open_return >= 0; | |
1199 | ||
1200 | if (open_return == -EACCES) { | |
1201 | /* | |
1202 | * This happens if the paranoid value | |
1203 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1204 | * Re-run with exclude_kernel set; we don't do that | |
1205 | * by default as some ARM machines do not support it. | |
1206 | * | |
1207 | */ | |
1208 | evsel->attr.exclude_kernel = 1; | |
1209 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1210 | } | |
b41f1cec NK |
1211 | perf_evsel__delete(evsel); |
1212 | } | |
1213 | ||
1214 | return ret; | |
1215 | } | |
1216 | ||
1dc12760 JO |
1217 | static void __print_events_type(u8 type, struct event_symbol *syms, |
1218 | unsigned max) | |
668b8788 | 1219 | { |
668b8788 | 1220 | char name[64]; |
1dc12760 | 1221 | unsigned i; |
668b8788 | 1222 | |
1dc12760 | 1223 | for (i = 0; i < max ; i++, syms++) { |
b41f1cec NK |
1224 | if (!is_event_supported(type, i)) |
1225 | continue; | |
1226 | ||
668b8788 ACM |
1227 | if (strlen(syms->alias)) |
1228 | snprintf(name, sizeof(name), "%s OR %s", | |
1229 | syms->symbol, syms->alias); | |
1230 | else | |
1231 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
1232 | ||
b41f1cec | 1233 | printf(" %-50s [%s]\n", name, event_type_descriptors[type]); |
668b8788 ACM |
1234 | } |
1235 | } | |
1236 | ||
1dc12760 JO |
1237 | void print_events_type(u8 type) |
1238 | { | |
1239 | if (type == PERF_TYPE_SOFTWARE) | |
1240 | __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX); | |
1241 | else | |
1242 | __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX); | |
1243 | } | |
1244 | ||
a3277d2d | 1245 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 ACM |
1246 | { |
1247 | unsigned int type, op, i, printed = 0; | |
0b668bc9 | 1248 | char name[64]; |
668b8788 ACM |
1249 | |
1250 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1251 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1252 | /* skip invalid cache type */ | |
0b668bc9 | 1253 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1254 | continue; |
1255 | ||
1256 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1257 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1258 | name, sizeof(name)); | |
947b4ad1 | 1259 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1260 | continue; |
1261 | ||
b41f1cec NK |
1262 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1263 | type | (op << 8) | (i << 16))) | |
1264 | continue; | |
1265 | ||
a3277d2d FW |
1266 | if (name_only) |
1267 | printf("%s ", name); | |
1268 | else | |
1269 | printf(" %-50s [%s]\n", name, | |
1270 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
668b8788 ACM |
1271 | ++printed; |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | ||
dc098b35 AK |
1276 | if (printed) |
1277 | printf("\n"); | |
668b8788 ACM |
1278 | return printed; |
1279 | } | |
1280 | ||
1dc12760 | 1281 | static void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1282 | struct event_symbol *syms, unsigned max, |
1283 | bool name_only) | |
8ad8db37 | 1284 | { |
1dc12760 | 1285 | unsigned i, printed = 0; |
947b4ad1 | 1286 | char name[MAX_NAME_LEN]; |
8ad8db37 | 1287 | |
1dc12760 | 1288 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1289 | |
48000a1a | 1290 | if (event_glob != NULL && |
668b8788 ACM |
1291 | !(strglobmatch(syms->symbol, event_glob) || |
1292 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1293 | continue; | |
8ad8db37 | 1294 | |
b41f1cec NK |
1295 | if (!is_event_supported(type, i)) |
1296 | continue; | |
1297 | ||
a3277d2d FW |
1298 | if (name_only) { |
1299 | printf("%s ", syms->symbol); | |
1300 | continue; | |
1301 | } | |
1302 | ||
74d5b588 | 1303 | if (strlen(syms->alias)) |
947b4ad1 | 1304 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1305 | else |
947b4ad1 | 1306 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1307 | |
1dc12760 JO |
1308 | printf(" %-50s [%s]\n", name, event_type_descriptors[type]); |
1309 | ||
1310 | printed++; | |
8ad8db37 IM |
1311 | } |
1312 | ||
1dc12760 | 1313 | if (printed) |
668b8788 | 1314 | printf("\n"); |
1dc12760 JO |
1315 | } |
1316 | ||
1317 | /* | |
1318 | * Print the help text for the event symbols: | |
1319 | */ | |
a3277d2d | 1320 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1321 | { |
1dc12760 | 1322 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1323 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1324 | |
1325 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1326 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1327 | |
a3277d2d | 1328 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1329 | |
dc098b35 AK |
1330 | print_pmu_events(event_glob, name_only); |
1331 | ||
668b8788 ACM |
1332 | if (event_glob != NULL) |
1333 | return; | |
73c24cb8 | 1334 | |
a3277d2d | 1335 | if (!name_only) { |
a3277d2d FW |
1336 | printf(" %-50s [%s]\n", |
1337 | "rNNN", | |
1338 | event_type_descriptors[PERF_TYPE_RAW]); | |
1339 | printf(" %-50s [%s]\n", | |
1340 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1341 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1342 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1343 | printf("\n"); |
1344 | ||
1345 | printf(" %-50s [%s]\n", | |
3741eb9f | 1346 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1347 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1348 | printf("\n"); |
1349 | } | |
1b290d67 | 1350 | |
a3277d2d | 1351 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1352 | } |
8f707d84 | 1353 | |
6cee6cd3 | 1354 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1355 | { |
16fa7e82 | 1356 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1357 | } |
1358 | ||
6cee6cd3 | 1359 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1360 | int type_term, char *config, |
b527bab5 | 1361 | char *str, u64 num) |
8f707d84 | 1362 | { |
6cee6cd3 | 1363 | struct parse_events_term *term; |
8f707d84 JO |
1364 | |
1365 | term = zalloc(sizeof(*term)); | |
1366 | if (!term) | |
1367 | return -ENOMEM; | |
1368 | ||
1369 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1370 | term->type_val = type_val; |
1371 | term->type_term = type_term; | |
8f707d84 JO |
1372 | term->config = config; |
1373 | ||
16fa7e82 | 1374 | switch (type_val) { |
8f707d84 JO |
1375 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1376 | term->val.num = num; | |
1377 | break; | |
1378 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1379 | term->val.str = str; | |
1380 | break; | |
1381 | default: | |
4be8be6b | 1382 | free(term); |
8f707d84 JO |
1383 | return -EINVAL; |
1384 | } | |
1385 | ||
1386 | *_term = term; | |
1387 | return 0; | |
1388 | } | |
1389 | ||
6cee6cd3 | 1390 | int parse_events_term__num(struct parse_events_term **term, |
b527bab5 | 1391 | int type_term, char *config, u64 num) |
16fa7e82 JO |
1392 | { |
1393 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, | |
1394 | config, NULL, num); | |
1395 | } | |
1396 | ||
6cee6cd3 | 1397 | int parse_events_term__str(struct parse_events_term **term, |
16fa7e82 JO |
1398 | int type_term, char *config, char *str) |
1399 | { | |
1400 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, | |
1401 | config, str, 0); | |
1402 | } | |
1403 | ||
6cee6cd3 | 1404 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1405 | char *config, unsigned idx) |
1406 | { | |
1407 | struct event_symbol *sym; | |
1408 | ||
1409 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1410 | sym = &event_symbols_hw[idx]; | |
1411 | ||
1412 | if (config) | |
1413 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1414 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
1415 | (char *) sym->symbol, 0); | |
1416 | else | |
1417 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1418 | PARSE_EVENTS__TERM_TYPE_USER, | |
1419 | (char *) "event", (char *) sym->symbol, 0); | |
1420 | } | |
1421 | ||
6cee6cd3 ACM |
1422 | int parse_events_term__clone(struct parse_events_term **new, |
1423 | struct parse_events_term *term) | |
a6146d50 ZY |
1424 | { |
1425 | return new_term(new, term->type_val, term->type_term, term->config, | |
1426 | term->val.str, term->val.num); | |
1427 | } | |
1428 | ||
8f707d84 JO |
1429 | void parse_events__free_terms(struct list_head *terms) |
1430 | { | |
6cee6cd3 | 1431 | struct parse_events_term *term, *h; |
8f707d84 JO |
1432 | |
1433 | list_for_each_entry_safe(term, h, terms, list) | |
1434 | free(term); | |
8f707d84 | 1435 | } |