Commit | Line | Data |
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d2709c7c | 1 | #include <linux/hw_breakpoint.h> |
8dd2a131 | 2 | #include <linux/err.h> |
8ad8db37 | 3 | #include "util.h" |
6b58e7f1 | 4 | #include "../perf.h" |
361c99a6 | 5 | #include "evlist.h" |
69aad6f1 | 6 | #include "evsel.h" |
8ad8db37 IM |
7 | #include "parse-options.h" |
8 | #include "parse-events.h" | |
9 | #include "exec_cmd.h" | |
42f60c2d | 10 | #include "string.h" |
5aab621b | 11 | #include "symbol.h" |
5beeded1 | 12 | #include "cache.h" |
8755a8f2 | 13 | #include "header.h" |
6e81c74c | 14 | #include "debug.h" |
592d5a6b | 15 | #include <api/fs/tracing_path.h> |
ac20de6f | 16 | #include "parse-events-bison.h" |
90e2b22d | 17 | #define YY_EXTRA_TYPE int |
89812fc8 | 18 | #include "parse-events-flex.h" |
5f537a26 | 19 | #include "pmu.h" |
b41f1cec | 20 | #include "thread_map.h" |
f30a79b0 | 21 | #include "cpumap.h" |
b39b8393 | 22 | #include "asm/bug.h" |
89812fc8 JO |
23 | |
24 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 25 | |
82ba1f2f JO |
26 | #ifdef PARSER_DEBUG |
27 | extern int parse_events_debug; | |
28 | #endif | |
ac20de6f | 29 | int parse_events_parse(void *data, void *scanner); |
bcd3279f | 30 | |
dcb4e102 KL |
31 | static struct perf_pmu_event_symbol *perf_pmu_events_list; |
32 | /* | |
33 | * The variable indicates the number of supported pmu event symbols. | |
34 | * 0 means not initialized and ready to init | |
35 | * -1 means failed to init, don't try anymore | |
36 | * >0 is the number of supported pmu event symbols | |
37 | */ | |
38 | static int perf_pmu_events_list_num; | |
39 | ||
705750f2 | 40 | struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
1dc12760 JO |
41 | [PERF_COUNT_HW_CPU_CYCLES] = { |
42 | .symbol = "cpu-cycles", | |
43 | .alias = "cycles", | |
44 | }, | |
45 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
46 | .symbol = "instructions", | |
47 | .alias = "", | |
48 | }, | |
49 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
50 | .symbol = "cache-references", | |
51 | .alias = "", | |
52 | }, | |
53 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
54 | .symbol = "cache-misses", | |
55 | .alias = "", | |
56 | }, | |
57 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
58 | .symbol = "branch-instructions", | |
59 | .alias = "branches", | |
60 | }, | |
61 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
62 | .symbol = "branch-misses", | |
63 | .alias = "", | |
64 | }, | |
65 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
66 | .symbol = "bus-cycles", | |
67 | .alias = "", | |
68 | }, | |
69 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
70 | .symbol = "stalled-cycles-frontend", | |
71 | .alias = "idle-cycles-frontend", | |
72 | }, | |
73 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
74 | .symbol = "stalled-cycles-backend", | |
75 | .alias = "idle-cycles-backend", | |
76 | }, | |
77 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
78 | .symbol = "ref-cycles", | |
79 | .alias = "", | |
80 | }, | |
81 | }; | |
82 | ||
705750f2 | 83 | struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
1dc12760 JO |
84 | [PERF_COUNT_SW_CPU_CLOCK] = { |
85 | .symbol = "cpu-clock", | |
86 | .alias = "", | |
87 | }, | |
88 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
89 | .symbol = "task-clock", | |
90 | .alias = "", | |
91 | }, | |
92 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
93 | .symbol = "page-faults", | |
94 | .alias = "faults", | |
95 | }, | |
96 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
97 | .symbol = "context-switches", | |
98 | .alias = "cs", | |
99 | }, | |
100 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
101 | .symbol = "cpu-migrations", | |
102 | .alias = "migrations", | |
103 | }, | |
104 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
105 | .symbol = "minor-faults", | |
106 | .alias = "", | |
107 | }, | |
108 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
109 | .symbol = "major-faults", | |
110 | .alias = "", | |
111 | }, | |
112 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
113 | .symbol = "alignment-faults", | |
114 | .alias = "", | |
115 | }, | |
116 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
117 | .symbol = "emulation-faults", | |
118 | .alias = "", | |
119 | }, | |
d22d1a2a AH |
120 | [PERF_COUNT_SW_DUMMY] = { |
121 | .symbol = "dummy", | |
122 | .alias = "", | |
123 | }, | |
8ad8db37 IM |
124 | }; |
125 | ||
cdd6c482 IM |
126 | #define __PERF_EVENT_FIELD(config, name) \ |
127 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 128 | |
1fc570ad | 129 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 130 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 131 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 132 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 133 | |
6b58e7f1 | 134 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 135 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 136 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
137 | (strcmp(sys_dirent.d_name, ".")) && \ |
138 | (strcmp(sys_dirent.d_name, ".."))) | |
139 | ||
ae07b63f PZ |
140 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
141 | { | |
142 | char evt_path[MAXPATHLEN]; | |
143 | int fd; | |
144 | ||
ebf294bf | 145 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
146 | sys_dir->d_name, evt_dir->d_name); |
147 | fd = open(evt_path, O_RDONLY); | |
148 | if (fd < 0) | |
149 | return -EINVAL; | |
150 | close(fd); | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
6b58e7f1 | 155 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 156 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 157 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 158 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
159 | (strcmp(evt_dirent.d_name, "..")) && \ |
160 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 161 | |
270bbbe8 | 162 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 163 | |
f6bdafef | 164 | |
1ef2ed10 | 165 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 166 | { |
1ef2ed10 | 167 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
168 | DIR *sys_dir, *evt_dir; |
169 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 170 | char id_buf[24]; |
725b1368 | 171 | int fd; |
f6bdafef JB |
172 | u64 id; |
173 | char evt_path[MAXPATHLEN]; | |
725b1368 | 174 | char dir_path[MAXPATHLEN]; |
f6bdafef | 175 | |
ebf294bf | 176 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 177 | if (!sys_dir) |
725b1368 | 178 | return NULL; |
6b58e7f1 UD |
179 | |
180 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 181 | |
ebf294bf | 182 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
183 | sys_dirent.d_name); |
184 | evt_dir = opendir(dir_path); | |
185 | if (!evt_dir) | |
6b58e7f1 | 186 | continue; |
725b1368 | 187 | |
6b58e7f1 | 188 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
189 | |
190 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 191 | evt_dirent.d_name); |
725b1368 | 192 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
193 | if (fd < 0) |
194 | continue; | |
195 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
196 | close(fd); | |
197 | continue; | |
198 | } | |
199 | close(fd); | |
200 | id = atoll(id_buf); | |
201 | if (id == config) { | |
202 | closedir(evt_dir); | |
203 | closedir(sys_dir); | |
59b4caeb | 204 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
205 | path->system = malloc(MAX_EVENT_LENGTH); |
206 | if (!path->system) { | |
207 | free(path); | |
208 | return NULL; | |
209 | } | |
210 | path->name = malloc(MAX_EVENT_LENGTH); | |
211 | if (!path->name) { | |
74cf249d | 212 | zfree(&path->system); |
1ef2ed10 FW |
213 | free(path); |
214 | return NULL; | |
215 | } | |
216 | strncpy(path->system, sys_dirent.d_name, | |
217 | MAX_EVENT_LENGTH); | |
218 | strncpy(path->name, evt_dirent.d_name, | |
219 | MAX_EVENT_LENGTH); | |
220 | return path; | |
f6bdafef JB |
221 | } |
222 | } | |
223 | closedir(evt_dir); | |
224 | } | |
225 | ||
f6bdafef | 226 | closedir(sys_dir); |
1ef2ed10 FW |
227 | return NULL; |
228 | } | |
229 | ||
e7c93f09 NK |
230 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
231 | { | |
232 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
233 | char *str = strchr(name, ':'); | |
234 | ||
235 | if (path == NULL || str == NULL) { | |
236 | free(path); | |
237 | return NULL; | |
238 | } | |
239 | ||
240 | path->system = strndup(name, str - name); | |
241 | path->name = strdup(str+1); | |
242 | ||
243 | if (path->system == NULL || path->name == NULL) { | |
74cf249d ACM |
244 | zfree(&path->system); |
245 | zfree(&path->name); | |
e7c93f09 NK |
246 | free(path); |
247 | path = NULL; | |
248 | } | |
249 | ||
250 | return path; | |
251 | } | |
252 | ||
1424dc96 DA |
253 | const char *event_type(int type) |
254 | { | |
255 | switch (type) { | |
256 | case PERF_TYPE_HARDWARE: | |
257 | return "hardware"; | |
258 | ||
259 | case PERF_TYPE_SOFTWARE: | |
260 | return "software"; | |
261 | ||
262 | case PERF_TYPE_TRACEPOINT: | |
263 | return "tracepoint"; | |
264 | ||
265 | case PERF_TYPE_HW_CACHE: | |
266 | return "hardware-cache"; | |
267 | ||
268 | default: | |
269 | break; | |
270 | } | |
271 | ||
272 | return "unknown"; | |
273 | } | |
274 | ||
7ae92e74 YZ |
275 | |
276 | ||
410136f5 SE |
277 | static struct perf_evsel * |
278 | __add_event(struct list_head *list, int *idx, | |
279 | struct perf_event_attr *attr, | |
930a2e29 JO |
280 | char *name, struct cpu_map *cpus, |
281 | struct list_head *config_terms) | |
89812fc8 JO |
282 | { |
283 | struct perf_evsel *evsel; | |
284 | ||
285 | event_attr_init(attr); | |
286 | ||
ef503831 | 287 | evsel = perf_evsel__new_idx(attr, (*idx)++); |
c5cd8ac0 | 288 | if (!evsel) |
410136f5 | 289 | return NULL; |
89812fc8 | 290 | |
fce4d296 AH |
291 | evsel->cpus = cpu_map__get(cpus); |
292 | evsel->own_cpus = cpu_map__get(cpus); | |
f30a79b0 | 293 | |
9db1763c ACM |
294 | if (name) |
295 | evsel->name = strdup(name); | |
930a2e29 JO |
296 | |
297 | if (config_terms) | |
298 | list_splice(config_terms, &evsel->config_terms); | |
299 | ||
b847cbdc | 300 | list_add_tail(&evsel->node, list); |
410136f5 | 301 | return evsel; |
89812fc8 JO |
302 | } |
303 | ||
c5cd8ac0 | 304 | static int add_event(struct list_head *list, int *idx, |
930a2e29 JO |
305 | struct perf_event_attr *attr, char *name, |
306 | struct list_head *config_terms) | |
7ae92e74 | 307 | { |
930a2e29 | 308 | return __add_event(list, idx, attr, name, NULL, config_terms) ? 0 : -ENOMEM; |
7ae92e74 YZ |
309 | } |
310 | ||
0b668bc9 | 311 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
312 | { |
313 | int i, j; | |
61c45981 | 314 | int n, longest = -1; |
8326f44d IM |
315 | |
316 | for (i = 0; i < size; i++) { | |
0b668bc9 | 317 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 318 | n = strlen(names[i][j]); |
89812fc8 | 319 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
320 | longest = n; |
321 | } | |
89812fc8 | 322 | if (longest > 0) |
61c45981 | 323 | return i; |
8326f44d IM |
324 | } |
325 | ||
8953645f | 326 | return -1; |
8326f44d IM |
327 | } |
328 | ||
c5cd8ac0 | 329 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 330 | char *type, char *op_result1, char *op_result2) |
8326f44d | 331 | { |
89812fc8 JO |
332 | struct perf_event_attr attr; |
333 | char name[MAX_NAME_LEN]; | |
61c45981 | 334 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
335 | char *op_result[2] = { op_result1, op_result2 }; |
336 | int i, n; | |
8326f44d | 337 | |
8326f44d IM |
338 | /* |
339 | * No fallback - if we cannot get a clear cache type | |
340 | * then bail out: | |
341 | */ | |
0b668bc9 | 342 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 343 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 344 | if (cache_type == -1) |
89812fc8 JO |
345 | return -EINVAL; |
346 | ||
347 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 348 | |
89812fc8 JO |
349 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
350 | char *str = op_result[i]; | |
351 | ||
275ef387 | 352 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
353 | |
354 | if (cache_op == -1) { | |
0b668bc9 | 355 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 356 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 357 | if (cache_op >= 0) { |
0b668bc9 | 358 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 359 | return -EINVAL; |
61c45981 PM |
360 | continue; |
361 | } | |
362 | } | |
363 | ||
364 | if (cache_result == -1) { | |
0b668bc9 ACM |
365 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
366 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
367 | if (cache_result >= 0) |
368 | continue; | |
369 | } | |
61c45981 | 370 | } |
8326f44d | 371 | |
8326f44d IM |
372 | /* |
373 | * Fall back to reads: | |
374 | */ | |
8953645f IM |
375 | if (cache_op == -1) |
376 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 377 | |
8326f44d IM |
378 | /* |
379 | * Fall back to accesses: | |
380 | */ | |
381 | if (cache_result == -1) | |
382 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
383 | ||
89812fc8 JO |
384 | memset(&attr, 0, sizeof(attr)); |
385 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
386 | attr.type = PERF_TYPE_HW_CACHE; | |
930a2e29 | 387 | return add_event(list, idx, &attr, name, NULL); |
bcd3279f FW |
388 | } |
389 | ||
19658171 JO |
390 | static void tracepoint_error(struct parse_events_error *error, int err, |
391 | char *sys, char *name) | |
392 | { | |
393 | char help[BUFSIZ]; | |
394 | ||
395 | /* | |
396 | * We get error directly from syscall errno ( > 0), | |
397 | * or from encoded pointer's error ( < 0). | |
398 | */ | |
399 | err = abs(err); | |
400 | ||
401 | switch (err) { | |
402 | case EACCES: | |
403 | error->str = strdup("can't access trace events"); | |
404 | break; | |
405 | case ENOENT: | |
406 | error->str = strdup("unknown tracepoint"); | |
407 | break; | |
408 | default: | |
409 | error->str = strdup("failed to add tracepoint"); | |
410 | break; | |
411 | } | |
412 | ||
413 | tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name); | |
414 | error->help = strdup(help); | |
415 | } | |
416 | ||
c5cd8ac0 | 417 | static int add_tracepoint(struct list_head *list, int *idx, |
e2f9f8ea JO |
418 | char *sys_name, char *evt_name, |
419 | struct parse_events_error *error __maybe_unused) | |
bcd3279f | 420 | { |
82fe1c29 | 421 | struct perf_evsel *evsel; |
bcd3279f | 422 | |
ef503831 | 423 | evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
19658171 JO |
424 | if (IS_ERR(evsel)) { |
425 | tracepoint_error(error, PTR_ERR(evsel), sys_name, evt_name); | |
8dd2a131 | 426 | return PTR_ERR(evsel); |
19658171 | 427 | } |
bcd3279f | 428 | |
82fe1c29 | 429 | list_add_tail(&evsel->node, list); |
82fe1c29 | 430 | return 0; |
8326f44d IM |
431 | } |
432 | ||
c5cd8ac0 | 433 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
e2f9f8ea JO |
434 | char *sys_name, char *evt_name, |
435 | struct parse_events_error *error) | |
bcd3279f FW |
436 | { |
437 | char evt_path[MAXPATHLEN]; | |
438 | struct dirent *evt_ent; | |
439 | DIR *evt_dir; | |
89812fc8 | 440 | int ret = 0; |
bcd3279f | 441 | |
ebf294bf | 442 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 443 | evt_dir = opendir(evt_path); |
bcd3279f | 444 | if (!evt_dir) { |
19658171 | 445 | tracepoint_error(error, errno, sys_name, evt_name); |
89812fc8 | 446 | return -1; |
bcd3279f FW |
447 | } |
448 | ||
89812fc8 | 449 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
450 | if (!strcmp(evt_ent->d_name, ".") |
451 | || !strcmp(evt_ent->d_name, "..") | |
452 | || !strcmp(evt_ent->d_name, "enable") | |
453 | || !strcmp(evt_ent->d_name, "filter")) | |
454 | continue; | |
455 | ||
89812fc8 | 456 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
457 | continue; |
458 | ||
e2f9f8ea | 459 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name, error); |
bcd3279f FW |
460 | } |
461 | ||
0bd3f084 | 462 | closedir(evt_dir); |
89812fc8 | 463 | return ret; |
bcd3279f FW |
464 | } |
465 | ||
c5cd8ac0 | 466 | static int add_tracepoint_event(struct list_head *list, int *idx, |
e2f9f8ea JO |
467 | char *sys_name, char *evt_name, |
468 | struct parse_events_error *error) | |
f35488f9 JO |
469 | { |
470 | return strpbrk(evt_name, "*?") ? | |
e2f9f8ea JO |
471 | add_tracepoint_multi_event(list, idx, sys_name, evt_name, error) : |
472 | add_tracepoint(list, idx, sys_name, evt_name, error); | |
f35488f9 JO |
473 | } |
474 | ||
c5cd8ac0 | 475 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
e2f9f8ea JO |
476 | char *sys_name, char *evt_name, |
477 | struct parse_events_error *error) | |
f35488f9 JO |
478 | { |
479 | struct dirent *events_ent; | |
480 | DIR *events_dir; | |
481 | int ret = 0; | |
482 | ||
483 | events_dir = opendir(tracing_events_path); | |
484 | if (!events_dir) { | |
19658171 | 485 | tracepoint_error(error, errno, sys_name, evt_name); |
f35488f9 JO |
486 | return -1; |
487 | } | |
488 | ||
489 | while (!ret && (events_ent = readdir(events_dir))) { | |
490 | if (!strcmp(events_ent->d_name, ".") | |
491 | || !strcmp(events_ent->d_name, "..") | |
492 | || !strcmp(events_ent->d_name, "enable") | |
493 | || !strcmp(events_ent->d_name, "header_event") | |
494 | || !strcmp(events_ent->d_name, "header_page")) | |
495 | continue; | |
496 | ||
497 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
498 | continue; | |
499 | ||
500 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
e2f9f8ea | 501 | evt_name, error); |
f35488f9 JO |
502 | } |
503 | ||
504 | closedir(events_dir); | |
505 | return ret; | |
506 | } | |
507 | ||
c5cd8ac0 | 508 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
e2f9f8ea JO |
509 | char *sys, char *event, |
510 | struct parse_events_error *error) | |
f6bdafef | 511 | { |
f35488f9 | 512 | if (strpbrk(sys, "*?")) |
e2f9f8ea | 513 | return add_tracepoint_multi_sys(list, idx, sys, event, error); |
f35488f9 | 514 | else |
e2f9f8ea | 515 | return add_tracepoint_event(list, idx, sys, event, error); |
f6bdafef JB |
516 | } |
517 | ||
89812fc8 JO |
518 | static int |
519 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
520 | { |
521 | int i; | |
522 | ||
523 | for (i = 0; i < 3; i++) { | |
89812fc8 | 524 | if (!type || !type[i]) |
1b290d67 FW |
525 | break; |
526 | ||
7582732f JO |
527 | #define CHECK_SET_TYPE(bit) \ |
528 | do { \ | |
529 | if (attr->bp_type & bit) \ | |
530 | return -EINVAL; \ | |
531 | else \ | |
532 | attr->bp_type |= bit; \ | |
533 | } while (0) | |
534 | ||
1b290d67 FW |
535 | switch (type[i]) { |
536 | case 'r': | |
7582732f | 537 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
538 | break; |
539 | case 'w': | |
7582732f | 540 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
541 | break; |
542 | case 'x': | |
7582732f | 543 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
544 | break; |
545 | default: | |
89812fc8 | 546 | return -EINVAL; |
1b290d67 FW |
547 | } |
548 | } | |
89812fc8 | 549 | |
7582732f JO |
550 | #undef CHECK_SET_TYPE |
551 | ||
1b290d67 FW |
552 | if (!attr->bp_type) /* Default */ |
553 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
554 | ||
89812fc8 | 555 | return 0; |
1b290d67 FW |
556 | } |
557 | ||
c5cd8ac0 | 558 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
3741eb9f | 559 | void *ptr, char *type, u64 len) |
1b290d67 | 560 | { |
89812fc8 | 561 | struct perf_event_attr attr; |
1b290d67 | 562 | |
89812fc8 | 563 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 564 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 565 | |
89812fc8 JO |
566 | if (parse_breakpoint_type(type, &attr)) |
567 | return -EINVAL; | |
1b290d67 | 568 | |
3741eb9f JS |
569 | /* Provide some defaults if len is not specified */ |
570 | if (!len) { | |
571 | if (attr.bp_type == HW_BREAKPOINT_X) | |
572 | len = sizeof(long); | |
573 | else | |
574 | len = HW_BREAKPOINT_LEN_4; | |
575 | } | |
576 | ||
577 | attr.bp_len = len; | |
61c45981 | 578 | |
89812fc8 | 579 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 580 | attr.sample_period = 1; |
b908debd | 581 | |
930a2e29 | 582 | return add_event(list, idx, &attr, NULL, NULL); |
74d5b588 JSR |
583 | } |
584 | ||
3b0e371c JO |
585 | static int check_type_val(struct parse_events_term *term, |
586 | struct parse_events_error *err, | |
587 | int type) | |
588 | { | |
589 | if (type == term->type_val) | |
590 | return 0; | |
591 | ||
592 | if (err) { | |
593 | err->idx = term->err_val; | |
594 | if (type == PARSE_EVENTS__TERM_TYPE_NUM) | |
595 | err->str = strdup("expected numeric value"); | |
596 | else | |
597 | err->str = strdup("expected string value"); | |
598 | } | |
599 | return -EINVAL; | |
600 | } | |
601 | ||
8f707d84 | 602 | static int config_term(struct perf_event_attr *attr, |
3b0e371c JO |
603 | struct parse_events_term *term, |
604 | struct parse_events_error *err) | |
8f707d84 | 605 | { |
3b0e371c JO |
606 | #define CHECK_TYPE_VAL(type) \ |
607 | do { \ | |
608 | if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ | |
609 | return -EINVAL; \ | |
16fa7e82 JO |
610 | } while (0) |
611 | ||
612 | switch (term->type_term) { | |
c056ba6a JO |
613 | case PARSE_EVENTS__TERM_TYPE_USER: |
614 | /* | |
615 | * Always succeed for sysfs terms, as we dont know | |
616 | * at this point what type they need to have. | |
617 | */ | |
618 | return 0; | |
8f707d84 | 619 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 620 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
621 | attr->config = term->val.num; |
622 | break; | |
623 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 624 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
625 | attr->config1 = term->val.num; |
626 | break; | |
627 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 628 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
629 | attr->config2 = term->val.num; |
630 | break; | |
631 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 632 | CHECK_TYPE_VAL(NUM); |
8f707d84 | 633 | break; |
09af2a55 NK |
634 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: |
635 | CHECK_TYPE_VAL(NUM); | |
636 | break; | |
8f707d84 JO |
637 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: |
638 | /* | |
639 | * TODO uncomment when the field is available | |
640 | * attr->branch_sample_type = term->val.num; | |
641 | */ | |
642 | break; | |
32067712 KL |
643 | case PARSE_EVENTS__TERM_TYPE_TIME: |
644 | CHECK_TYPE_VAL(NUM); | |
645 | if (term->val.num > 1) { | |
646 | err->str = strdup("expected 0 or 1"); | |
647 | err->idx = term->err_val; | |
648 | return -EINVAL; | |
649 | } | |
650 | break; | |
d457c963 KL |
651 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: |
652 | CHECK_TYPE_VAL(STR); | |
653 | break; | |
654 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
655 | CHECK_TYPE_VAL(NUM); | |
656 | break; | |
6b5fc39b JO |
657 | case PARSE_EVENTS__TERM_TYPE_NAME: |
658 | CHECK_TYPE_VAL(STR); | |
659 | break; | |
8f707d84 JO |
660 | default: |
661 | return -EINVAL; | |
662 | } | |
16fa7e82 | 663 | |
8f707d84 | 664 | return 0; |
16fa7e82 | 665 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
666 | } |
667 | ||
668 | static int config_attr(struct perf_event_attr *attr, | |
3b0e371c JO |
669 | struct list_head *head, |
670 | struct parse_events_error *err) | |
8f707d84 | 671 | { |
6cee6cd3 | 672 | struct parse_events_term *term; |
8f707d84 JO |
673 | |
674 | list_for_each_entry(term, head, list) | |
3b0e371c | 675 | if (config_term(attr, term, err)) |
8f707d84 JO |
676 | return -EINVAL; |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
930a2e29 JO |
681 | static int get_config_terms(struct list_head *head_config, |
682 | struct list_head *head_terms __maybe_unused) | |
683 | { | |
684 | #define ADD_CONFIG_TERM(__type, __name, __val) \ | |
685 | do { \ | |
686 | struct perf_evsel_config_term *__t; \ | |
687 | \ | |
688 | __t = zalloc(sizeof(*__t)); \ | |
689 | if (!__t) \ | |
690 | return -ENOMEM; \ | |
691 | \ | |
692 | INIT_LIST_HEAD(&__t->list); \ | |
693 | __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ | |
694 | __t->val.__name = __val; \ | |
695 | list_add_tail(&__t->list, head_terms); \ | |
696 | } while (0) | |
697 | ||
698 | struct parse_events_term *term; | |
699 | ||
700 | list_for_each_entry(term, head_config, list) { | |
701 | switch (term->type_term) { | |
ee4c7588 JO |
702 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
703 | ADD_CONFIG_TERM(PERIOD, period, term->val.num); | |
32067712 | 704 | break; |
09af2a55 NK |
705 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: |
706 | ADD_CONFIG_TERM(FREQ, freq, term->val.num); | |
707 | break; | |
32067712 KL |
708 | case PARSE_EVENTS__TERM_TYPE_TIME: |
709 | ADD_CONFIG_TERM(TIME, time, term->val.num); | |
710 | break; | |
d457c963 KL |
711 | case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: |
712 | ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); | |
713 | break; | |
714 | case PARSE_EVENTS__TERM_TYPE_STACKSIZE: | |
715 | ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); | |
716 | break; | |
930a2e29 JO |
717 | default: |
718 | break; | |
719 | } | |
720 | } | |
721 | #undef ADD_EVSEL_CONFIG | |
722 | return 0; | |
723 | } | |
724 | ||
87d650be JO |
725 | int parse_events_add_numeric(struct parse_events_evlist *data, |
726 | struct list_head *list, | |
b527bab5 | 727 | u32 type, u64 config, |
8f707d84 | 728 | struct list_head *head_config) |
8ad8db37 | 729 | { |
89812fc8 | 730 | struct perf_event_attr attr; |
930a2e29 | 731 | LIST_HEAD(config_terms); |
61c45981 | 732 | |
89812fc8 JO |
733 | memset(&attr, 0, sizeof(attr)); |
734 | attr.type = type; | |
735 | attr.config = config; | |
8f707d84 | 736 | |
930a2e29 JO |
737 | if (head_config) { |
738 | if (config_attr(&attr, head_config, data->error)) | |
739 | return -EINVAL; | |
740 | ||
741 | if (get_config_terms(head_config, &config_terms)) | |
742 | return -ENOMEM; | |
743 | } | |
8f707d84 | 744 | |
930a2e29 | 745 | return add_event(list, &data->idx, &attr, NULL, &config_terms); |
61c45981 | 746 | } |
8ad8db37 | 747 | |
6cee6cd3 | 748 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
749 | { |
750 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
751 | } | |
752 | ||
9db1763c | 753 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 754 | { |
6cee6cd3 | 755 | struct parse_events_term *term; |
6b5fc39b JO |
756 | |
757 | list_for_each_entry(term, head_terms, list) | |
758 | if (parse_events__is_name_term(term)) | |
759 | return term->val.str; | |
760 | ||
9db1763c | 761 | return NULL; |
6b5fc39b JO |
762 | } |
763 | ||
36adec85 JO |
764 | int parse_events_add_pmu(struct parse_events_evlist *data, |
765 | struct list_head *list, char *name, | |
766 | struct list_head *head_config) | |
5f537a26 JO |
767 | { |
768 | struct perf_event_attr attr; | |
46441bdc | 769 | struct perf_pmu_info info; |
5f537a26 | 770 | struct perf_pmu *pmu; |
410136f5 | 771 | struct perf_evsel *evsel; |
930a2e29 | 772 | LIST_HEAD(config_terms); |
5f537a26 JO |
773 | |
774 | pmu = perf_pmu__find(name); | |
775 | if (!pmu) | |
776 | return -EINVAL; | |
777 | ||
dc0a6202 AH |
778 | if (pmu->default_config) { |
779 | memcpy(&attr, pmu->default_config, | |
780 | sizeof(struct perf_event_attr)); | |
781 | } else { | |
782 | memset(&attr, 0, sizeof(attr)); | |
783 | } | |
5f537a26 | 784 | |
ad962273 AH |
785 | if (!head_config) { |
786 | attr.type = pmu->type; | |
930a2e29 | 787 | evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); |
ad962273 AH |
788 | return evsel ? 0 : -ENOMEM; |
789 | } | |
790 | ||
46441bdc | 791 | if (perf_pmu__check_alias(pmu, head_config, &info)) |
a6146d50 ZY |
792 | return -EINVAL; |
793 | ||
5f537a26 JO |
794 | /* |
795 | * Configure hardcoded terms first, no need to check | |
796 | * return value when called with fail == 0 ;) | |
797 | */ | |
3b0e371c | 798 | if (config_attr(&attr, head_config, data->error)) |
c056ba6a | 799 | return -EINVAL; |
5f537a26 | 800 | |
930a2e29 JO |
801 | if (get_config_terms(head_config, &config_terms)) |
802 | return -ENOMEM; | |
803 | ||
e64b020b | 804 | if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
5f537a26 JO |
805 | return -EINVAL; |
806 | ||
36adec85 | 807 | evsel = __add_event(list, &data->idx, &attr, |
930a2e29 JO |
808 | pmu_event_name(head_config), pmu->cpus, |
809 | &config_terms); | |
410136f5 | 810 | if (evsel) { |
46441bdc MF |
811 | evsel->unit = info.unit; |
812 | evsel->scale = info.scale; | |
044330c1 | 813 | evsel->per_pkg = info.per_pkg; |
1d9e446b | 814 | evsel->snapshot = info.snapshot; |
410136f5 SE |
815 | } |
816 | ||
817 | return evsel ? 0 : -ENOMEM; | |
5f537a26 JO |
818 | } |
819 | ||
6a4bb04c JO |
820 | int parse_events__modifier_group(struct list_head *list, |
821 | char *event_mod) | |
89efb029 | 822 | { |
6a4bb04c JO |
823 | return parse_events__modifier_event(list, event_mod, true); |
824 | } | |
825 | ||
63dab225 | 826 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
827 | { |
828 | struct perf_evsel *leader; | |
829 | ||
63dab225 ACM |
830 | __perf_evlist__set_leader(list); |
831 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 832 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
833 | } |
834 | ||
c5cd8ac0 | 835 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
836 | void parse_events_update_lists(struct list_head *list_event, |
837 | struct list_head *list_all) | |
838 | { | |
839 | /* | |
840 | * Called for single event definition. Update the | |
89efb029 | 841 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
842 | * list, for next event definition. |
843 | */ | |
844 | list_splice_tail(list_event, list_all); | |
b847cbdc | 845 | free(list_event); |
5d7be90e JO |
846 | } |
847 | ||
f5b1135b JO |
848 | struct event_modifier { |
849 | int eu; | |
850 | int ek; | |
851 | int eh; | |
852 | int eH; | |
853 | int eG; | |
a1e12da4 | 854 | int eI; |
f5b1135b JO |
855 | int precise; |
856 | int exclude_GH; | |
3c176311 | 857 | int sample_read; |
e9a7c414 | 858 | int pinned; |
f5b1135b JO |
859 | }; |
860 | ||
861 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
862 | struct perf_evsel *evsel) | |
61c45981 | 863 | { |
f5b1135b JO |
864 | int eu = evsel ? evsel->attr.exclude_user : 0; |
865 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
866 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
867 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
868 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
a1e12da4 | 869 | int eI = evsel ? evsel->attr.exclude_idle : 0; |
f5b1135b | 870 | int precise = evsel ? evsel->attr.precise_ip : 0; |
3c176311 | 871 | int sample_read = 0; |
e9a7c414 | 872 | int pinned = evsel ? evsel->attr.pinned : 0; |
a21ca2ca | 873 | |
f5b1135b JO |
874 | int exclude = eu | ek | eh; |
875 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
876 | ||
f5b1135b | 877 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 878 | |
61c45981 | 879 | while (*str) { |
ab608344 PZ |
880 | if (*str == 'u') { |
881 | if (!exclude) | |
882 | exclude = eu = ek = eh = 1; | |
61c45981 | 883 | eu = 0; |
ab608344 PZ |
884 | } else if (*str == 'k') { |
885 | if (!exclude) | |
886 | exclude = eu = ek = eh = 1; | |
61c45981 | 887 | ek = 0; |
ab608344 PZ |
888 | } else if (*str == 'h') { |
889 | if (!exclude) | |
890 | exclude = eu = ek = eh = 1; | |
61c45981 | 891 | eh = 0; |
99320cc8 JR |
892 | } else if (*str == 'G') { |
893 | if (!exclude_GH) | |
894 | exclude_GH = eG = eH = 1; | |
895 | eG = 0; | |
896 | } else if (*str == 'H') { | |
897 | if (!exclude_GH) | |
898 | exclude_GH = eG = eH = 1; | |
899 | eH = 0; | |
a1e12da4 JO |
900 | } else if (*str == 'I') { |
901 | eI = 1; | |
ab608344 PZ |
902 | } else if (*str == 'p') { |
903 | precise++; | |
1342798c DA |
904 | /* use of precise requires exclude_guest */ |
905 | if (!exclude_GH) | |
906 | eG = 1; | |
3c176311 JO |
907 | } else if (*str == 'S') { |
908 | sample_read = 1; | |
e9a7c414 ME |
909 | } else if (*str == 'D') { |
910 | pinned = 1; | |
ab608344 | 911 | } else |
61c45981 | 912 | break; |
ab608344 | 913 | |
61c45981 | 914 | ++str; |
5242519b | 915 | } |
ceb53fbf | 916 | |
89812fc8 JO |
917 | /* |
918 | * precise ip: | |
919 | * | |
920 | * 0 - SAMPLE_IP can have arbitrary skid | |
921 | * 1 - SAMPLE_IP must have constant skid | |
922 | * 2 - SAMPLE_IP requested to have 0 skid | |
923 | * 3 - SAMPLE_IP must have 0 skid | |
924 | * | |
925 | * See also PERF_RECORD_MISC_EXACT_IP | |
926 | */ | |
927 | if (precise > 3) | |
928 | return -EINVAL; | |
ceb53fbf | 929 | |
f5b1135b JO |
930 | mod->eu = eu; |
931 | mod->ek = ek; | |
932 | mod->eh = eh; | |
933 | mod->eH = eH; | |
934 | mod->eG = eG; | |
a1e12da4 | 935 | mod->eI = eI; |
f5b1135b JO |
936 | mod->precise = precise; |
937 | mod->exclude_GH = exclude_GH; | |
3c176311 | 938 | mod->sample_read = sample_read; |
e9a7c414 ME |
939 | mod->pinned = pinned; |
940 | ||
f5b1135b JO |
941 | return 0; |
942 | } | |
943 | ||
534123f4 JO |
944 | /* |
945 | * Basic modifier sanity check to validate it contains only one | |
946 | * instance of any modifier (apart from 'p') present. | |
947 | */ | |
948 | static int check_modifier(char *str) | |
949 | { | |
950 | char *p = str; | |
951 | ||
952 | /* The sizeof includes 0 byte as well. */ | |
a1e12da4 | 953 | if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
534123f4 JO |
954 | return -1; |
955 | ||
956 | while (*p) { | |
957 | if (*p != 'p' && strchr(p + 1, *p)) | |
958 | return -1; | |
959 | p++; | |
960 | } | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
f5b1135b JO |
965 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
966 | { | |
967 | struct perf_evsel *evsel; | |
968 | struct event_modifier mod; | |
969 | ||
970 | if (str == NULL) | |
971 | return 0; | |
972 | ||
534123f4 JO |
973 | if (check_modifier(str)) |
974 | return -EINVAL; | |
975 | ||
f5b1135b JO |
976 | if (!add && get_event_modifier(&mod, str, NULL)) |
977 | return -EINVAL; | |
978 | ||
0050f7aa | 979 | __evlist__for_each(list, evsel) { |
f5b1135b JO |
980 | if (add && get_event_modifier(&mod, str, evsel)) |
981 | return -EINVAL; | |
982 | ||
983 | evsel->attr.exclude_user = mod.eu; | |
984 | evsel->attr.exclude_kernel = mod.ek; | |
985 | evsel->attr.exclude_hv = mod.eh; | |
986 | evsel->attr.precise_ip = mod.precise; | |
987 | evsel->attr.exclude_host = mod.eH; | |
988 | evsel->attr.exclude_guest = mod.eG; | |
a1e12da4 | 989 | evsel->attr.exclude_idle = mod.eI; |
f5b1135b | 990 | evsel->exclude_GH = mod.exclude_GH; |
3c176311 | 991 | evsel->sample_read = mod.sample_read; |
e9a7c414 ME |
992 | |
993 | if (perf_evsel__is_group_leader(evsel)) | |
994 | evsel->attr.pinned = mod.pinned; | |
89812fc8 | 995 | } |
ceb53fbf | 996 | |
61c45981 PM |
997 | return 0; |
998 | } | |
8ad8db37 | 999 | |
ac2ba9f3 RR |
1000 | int parse_events_name(struct list_head *list, char *name) |
1001 | { | |
1002 | struct perf_evsel *evsel; | |
1003 | ||
0050f7aa | 1004 | __evlist__for_each(list, evsel) { |
ac2ba9f3 RR |
1005 | if (!evsel->name) |
1006 | evsel->name = strdup(name); | |
1007 | } | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
dcb4e102 KL |
1012 | static int |
1013 | comp_pmu(const void *p1, const void *p2) | |
1014 | { | |
1015 | struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; | |
1016 | struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; | |
1017 | ||
1018 | return strcmp(pmu1->symbol, pmu2->symbol); | |
1019 | } | |
1020 | ||
1021 | static void perf_pmu__parse_cleanup(void) | |
1022 | { | |
1023 | if (perf_pmu_events_list_num > 0) { | |
1024 | struct perf_pmu_event_symbol *p; | |
1025 | int i; | |
1026 | ||
1027 | for (i = 0; i < perf_pmu_events_list_num; i++) { | |
1028 | p = perf_pmu_events_list + i; | |
1029 | free(p->symbol); | |
1030 | } | |
1031 | free(perf_pmu_events_list); | |
1032 | perf_pmu_events_list = NULL; | |
1033 | perf_pmu_events_list_num = 0; | |
1034 | } | |
1035 | } | |
1036 | ||
1037 | #define SET_SYMBOL(str, stype) \ | |
1038 | do { \ | |
1039 | p->symbol = str; \ | |
1040 | if (!p->symbol) \ | |
1041 | goto err; \ | |
1042 | p->type = stype; \ | |
1043 | } while (0) | |
1044 | ||
1045 | /* | |
1046 | * Read the pmu events list from sysfs | |
1047 | * Save it into perf_pmu_events_list | |
1048 | */ | |
1049 | static void perf_pmu__parse_init(void) | |
1050 | { | |
1051 | ||
1052 | struct perf_pmu *pmu = NULL; | |
1053 | struct perf_pmu_alias *alias; | |
1054 | int len = 0; | |
1055 | ||
1056 | pmu = perf_pmu__find("cpu"); | |
1057 | if ((pmu == NULL) || list_empty(&pmu->aliases)) { | |
1058 | perf_pmu_events_list_num = -1; | |
1059 | return; | |
1060 | } | |
1061 | list_for_each_entry(alias, &pmu->aliases, list) { | |
1062 | if (strchr(alias->name, '-')) | |
1063 | len++; | |
1064 | len++; | |
1065 | } | |
1066 | perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); | |
1067 | if (!perf_pmu_events_list) | |
1068 | return; | |
1069 | perf_pmu_events_list_num = len; | |
1070 | ||
1071 | len = 0; | |
1072 | list_for_each_entry(alias, &pmu->aliases, list) { | |
1073 | struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; | |
1074 | char *tmp = strchr(alias->name, '-'); | |
1075 | ||
1076 | if (tmp != NULL) { | |
1077 | SET_SYMBOL(strndup(alias->name, tmp - alias->name), | |
1078 | PMU_EVENT_SYMBOL_PREFIX); | |
1079 | p++; | |
1080 | SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); | |
1081 | len += 2; | |
1082 | } else { | |
1083 | SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); | |
1084 | len++; | |
1085 | } | |
1086 | } | |
1087 | qsort(perf_pmu_events_list, len, | |
1088 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1089 | ||
1090 | return; | |
1091 | err: | |
1092 | perf_pmu__parse_cleanup(); | |
1093 | } | |
1094 | ||
1095 | enum perf_pmu_event_symbol_type | |
1096 | perf_pmu__parse_check(const char *name) | |
1097 | { | |
1098 | struct perf_pmu_event_symbol p, *r; | |
1099 | ||
1100 | /* scan kernel pmu events from sysfs if needed */ | |
1101 | if (perf_pmu_events_list_num == 0) | |
1102 | perf_pmu__parse_init(); | |
1103 | /* | |
1104 | * name "cpu" could be prefix of cpu-cycles or cpu// events. | |
1105 | * cpu-cycles has been handled by hardcode. | |
1106 | * So it must be cpu// events, not kernel pmu event. | |
1107 | */ | |
1108 | if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) | |
1109 | return PMU_EVENT_SYMBOL_ERR; | |
1110 | ||
1111 | p.symbol = strdup(name); | |
1112 | r = bsearch(&p, perf_pmu_events_list, | |
1113 | (size_t) perf_pmu_events_list_num, | |
1114 | sizeof(struct perf_pmu_event_symbol), comp_pmu); | |
1115 | free(p.symbol); | |
1116 | return r ? r->type : PMU_EVENT_SYMBOL_ERR; | |
1117 | } | |
1118 | ||
90e2b22d | 1119 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 1120 | { |
89812fc8 | 1121 | YY_BUFFER_STATE buffer; |
ac20de6f | 1122 | void *scanner; |
46010ab2 | 1123 | int ret; |
bcd3279f | 1124 | |
90e2b22d | 1125 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
1126 | if (ret) |
1127 | return ret; | |
1128 | ||
1129 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 1130 | |
82ba1f2f JO |
1131 | #ifdef PARSER_DEBUG |
1132 | parse_events_debug = 1; | |
1133 | #endif | |
ac20de6f ZY |
1134 | ret = parse_events_parse(data, scanner); |
1135 | ||
1136 | parse_events__flush_buffer(buffer, scanner); | |
1137 | parse_events__delete_buffer(buffer, scanner); | |
1138 | parse_events_lex_destroy(scanner); | |
1139 | return ret; | |
1140 | } | |
bcd3279f | 1141 | |
90e2b22d JO |
1142 | /* |
1143 | * parse event config string, return a list of event terms. | |
1144 | */ | |
1145 | int parse_events_terms(struct list_head *terms, const char *str) | |
1146 | { | |
23b6339b | 1147 | struct parse_events_terms data = { |
90e2b22d JO |
1148 | .terms = NULL, |
1149 | }; | |
1150 | int ret; | |
1151 | ||
1152 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
1153 | if (!ret) { | |
1154 | list_splice(data.terms, terms); | |
74cf249d | 1155 | zfree(&data.terms); |
90e2b22d JO |
1156 | return 0; |
1157 | } | |
1158 | ||
b2c34fde AH |
1159 | if (data.terms) |
1160 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
1161 | return ret; |
1162 | } | |
1163 | ||
b39b8393 JO |
1164 | int parse_events(struct perf_evlist *evlist, const char *str, |
1165 | struct parse_events_error *err) | |
ac20de6f | 1166 | { |
23b6339b | 1167 | struct parse_events_evlist data = { |
b39b8393 JO |
1168 | .list = LIST_HEAD_INIT(data.list), |
1169 | .idx = evlist->nr_entries, | |
1170 | .error = err, | |
ac20de6f ZY |
1171 | }; |
1172 | int ret; | |
bcd3279f | 1173 | |
90e2b22d | 1174 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
dcb4e102 | 1175 | perf_pmu__parse_cleanup(); |
89812fc8 | 1176 | if (!ret) { |
15bfd2cc WN |
1177 | struct perf_evsel *last; |
1178 | ||
f114d6ef | 1179 | perf_evlist__splice_list_tail(evlist, &data.list); |
97f63e4a | 1180 | evlist->nr_groups += data.nr_groups; |
15bfd2cc WN |
1181 | last = perf_evlist__last(evlist); |
1182 | last->cmdline_group_boundary = true; | |
1183 | ||
89812fc8 JO |
1184 | return 0; |
1185 | } | |
bcd3279f | 1186 | |
5d7be90e JO |
1187 | /* |
1188 | * There are 2 users - builtin-record and builtin-test objects. | |
1189 | * Both call perf_evlist__delete in case of error, so we dont | |
1190 | * need to bother. | |
1191 | */ | |
bcd3279f | 1192 | return ret; |
8ad8db37 IM |
1193 | } |
1194 | ||
b39b8393 JO |
1195 | #define MAX_WIDTH 1000 |
1196 | static int get_term_width(void) | |
1197 | { | |
1198 | struct winsize ws; | |
1199 | ||
1200 | get_term_dimensions(&ws); | |
1201 | return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; | |
1202 | } | |
1203 | ||
1204 | static void parse_events_print_error(struct parse_events_error *err, | |
1205 | const char *event) | |
1206 | { | |
1207 | const char *str = "invalid or unsupported event: "; | |
1208 | char _buf[MAX_WIDTH]; | |
1209 | char *buf = (char *) event; | |
1210 | int idx = 0; | |
1211 | ||
1212 | if (err->str) { | |
1213 | /* -2 for extra '' in the final fprintf */ | |
1214 | int width = get_term_width() - 2; | |
1215 | int len_event = strlen(event); | |
1216 | int len_str, max_len, cut = 0; | |
1217 | ||
1218 | /* | |
1219 | * Maximum error index indent, we will cut | |
1220 | * the event string if it's bigger. | |
1221 | */ | |
141b2d31 | 1222 | int max_err_idx = 13; |
b39b8393 JO |
1223 | |
1224 | /* | |
1225 | * Let's be specific with the message when | |
1226 | * we have the precise error. | |
1227 | */ | |
1228 | str = "event syntax error: "; | |
1229 | len_str = strlen(str); | |
1230 | max_len = width - len_str; | |
1231 | ||
1232 | buf = _buf; | |
1233 | ||
1234 | /* We're cutting from the beggining. */ | |
1235 | if (err->idx > max_err_idx) | |
1236 | cut = err->idx - max_err_idx; | |
1237 | ||
1238 | strncpy(buf, event + cut, max_len); | |
1239 | ||
1240 | /* Mark cut parts with '..' on both sides. */ | |
1241 | if (cut) | |
1242 | buf[0] = buf[1] = '.'; | |
1243 | ||
1244 | if ((len_event - cut) > max_len) { | |
1245 | buf[max_len - 1] = buf[max_len - 2] = '.'; | |
1246 | buf[max_len] = 0; | |
1247 | } | |
1248 | ||
1249 | idx = len_str + err->idx - cut; | |
1250 | } | |
1251 | ||
1252 | fprintf(stderr, "%s'%s'\n", str, buf); | |
1253 | if (idx) { | |
1254 | fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); | |
1255 | if (err->help) | |
1256 | fprintf(stderr, "\n%s\n", err->help); | |
1257 | free(err->str); | |
1258 | free(err->help); | |
1259 | } | |
1260 | ||
1261 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
1262 | } | |
1263 | ||
1264 | #undef MAX_WIDTH | |
1265 | ||
f120f9d5 | 1266 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 1267 | int unset __maybe_unused) |
f120f9d5 JO |
1268 | { |
1269 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
b39b8393 JO |
1270 | struct parse_events_error err = { .idx = 0, }; |
1271 | int ret = parse_events(evlist, str, &err); | |
1272 | ||
1273 | if (ret) | |
1274 | parse_events_print_error(&err, str); | |
9175ce1f | 1275 | |
9175ce1f | 1276 | return ret; |
f120f9d5 JO |
1277 | } |
1278 | ||
4ba1faa1 WN |
1279 | static int |
1280 | foreach_evsel_in_last_glob(struct perf_evlist *evlist, | |
1281 | int (*func)(struct perf_evsel *evsel, | |
1282 | const void *arg), | |
1283 | const void *arg) | |
c171b552 | 1284 | { |
69aad6f1 | 1285 | struct perf_evsel *last = NULL; |
4ba1faa1 | 1286 | int err; |
c171b552 | 1287 | |
361c99a6 | 1288 | if (evlist->nr_entries > 0) |
0c21f736 | 1289 | last = perf_evlist__last(evlist); |
69aad6f1 | 1290 | |
15bfd2cc | 1291 | do { |
4ba1faa1 WN |
1292 | err = (*func)(last, arg); |
1293 | if (err) | |
15bfd2cc | 1294 | return -1; |
4ba1faa1 WN |
1295 | if (!last) |
1296 | return 0; | |
15bfd2cc WN |
1297 | |
1298 | if (last->node.prev == &evlist->entries) | |
1299 | return 0; | |
1300 | last = list_entry(last->node.prev, struct perf_evsel, node); | |
1301 | } while (!last->cmdline_group_boundary); | |
c171b552 LZ |
1302 | |
1303 | return 0; | |
1304 | } | |
1305 | ||
4ba1faa1 WN |
1306 | static int set_filter(struct perf_evsel *evsel, const void *arg) |
1307 | { | |
1308 | const char *str = arg; | |
1309 | ||
1310 | if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { | |
1311 | fprintf(stderr, | |
1312 | "--filter option should follow a -e tracepoint option\n"); | |
1313 | return -1; | |
1314 | } | |
1315 | ||
1316 | if (perf_evsel__append_filter(evsel, "&&", str) < 0) { | |
1317 | fprintf(stderr, | |
1318 | "not enough memory to hold filter string\n"); | |
1319 | return -1; | |
1320 | } | |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | int parse_filter(const struct option *opt, const char *str, | |
1326 | int unset __maybe_unused) | |
1327 | { | |
1328 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
1329 | ||
1330 | return foreach_evsel_in_last_glob(evlist, set_filter, | |
1331 | (const void *)str); | |
1332 | } | |
1333 | ||
1334 | static int add_exclude_perf_filter(struct perf_evsel *evsel, | |
1335 | const void *arg __maybe_unused) | |
1336 | { | |
1337 | char new_filter[64]; | |
1338 | ||
1339 | if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { | |
1340 | fprintf(stderr, | |
1341 | "--exclude-perf option should follow a -e tracepoint option\n"); | |
1342 | return -1; | |
1343 | } | |
1344 | ||
1345 | snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); | |
1346 | ||
1347 | if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) { | |
1348 | fprintf(stderr, | |
1349 | "not enough memory to hold filter string\n"); | |
1350 | return -1; | |
1351 | } | |
1352 | ||
1353 | return 0; | |
1354 | } | |
1355 | ||
1356 | int exclude_perf(const struct option *opt, | |
1357 | const char *arg __maybe_unused, | |
1358 | int unset __maybe_unused) | |
1359 | { | |
1360 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
1361 | ||
1362 | return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, | |
1363 | NULL); | |
1364 | } | |
1365 | ||
86847b62 | 1366 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
1367 | "Hardware event", |
1368 | "Software event", | |
1369 | "Tracepoint event", | |
1370 | "Hardware cache event", | |
41bdcb23 LW |
1371 | "Raw hardware event descriptor", |
1372 | "Hardware breakpoint", | |
86847b62 TG |
1373 | }; |
1374 | ||
ab0e4800 YS |
1375 | static int cmp_string(const void *a, const void *b) |
1376 | { | |
1377 | const char * const *as = a; | |
1378 | const char * const *bs = b; | |
1379 | ||
1380 | return strcmp(*as, *bs); | |
1381 | } | |
1382 | ||
f6bdafef JB |
1383 | /* |
1384 | * Print the events from <debugfs_mount_point>/tracing/events | |
1385 | */ | |
1386 | ||
a3277d2d FW |
1387 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
1388 | bool name_only) | |
f6bdafef JB |
1389 | { |
1390 | DIR *sys_dir, *evt_dir; | |
1391 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 1392 | char evt_path[MAXPATHLEN]; |
725b1368 | 1393 | char dir_path[MAXPATHLEN]; |
ab0e4800 YS |
1394 | char **evt_list = NULL; |
1395 | unsigned int evt_i = 0, evt_num = 0; | |
1396 | bool evt_num_known = false; | |
f6bdafef | 1397 | |
ab0e4800 | 1398 | restart: |
ebf294bf | 1399 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 1400 | if (!sys_dir) |
725b1368 | 1401 | return; |
6b58e7f1 | 1402 | |
ab0e4800 YS |
1403 | if (evt_num_known) { |
1404 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1405 | if (!evt_list) | |
1406 | goto out_close_sys_dir; | |
1407 | } | |
1408 | ||
6b58e7f1 | 1409 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
48000a1a | 1410 | if (subsys_glob != NULL && |
668b8788 ACM |
1411 | !strglobmatch(sys_dirent.d_name, subsys_glob)) |
1412 | continue; | |
725b1368 | 1413 | |
ebf294bf | 1414 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1415 | sys_dirent.d_name); |
1416 | evt_dir = opendir(dir_path); | |
1417 | if (!evt_dir) | |
6b58e7f1 | 1418 | continue; |
725b1368 | 1419 | |
6b58e7f1 | 1420 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
48000a1a | 1421 | if (event_glob != NULL && |
668b8788 ACM |
1422 | !strglobmatch(evt_dirent.d_name, event_glob)) |
1423 | continue; | |
1424 | ||
ab0e4800 YS |
1425 | if (!evt_num_known) { |
1426 | evt_num++; | |
a3277d2d FW |
1427 | continue; |
1428 | } | |
1429 | ||
f6bdafef JB |
1430 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1431 | sys_dirent.d_name, evt_dirent.d_name); | |
ab0e4800 YS |
1432 | |
1433 | evt_list[evt_i] = strdup(evt_path); | |
1434 | if (evt_list[evt_i] == NULL) | |
1435 | goto out_close_evt_dir; | |
1436 | evt_i++; | |
f6bdafef JB |
1437 | } |
1438 | closedir(evt_dir); | |
1439 | } | |
f6bdafef | 1440 | closedir(sys_dir); |
ab0e4800 YS |
1441 | |
1442 | if (!evt_num_known) { | |
1443 | evt_num_known = true; | |
1444 | goto restart; | |
1445 | } | |
1446 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1447 | evt_i = 0; | |
1448 | while (evt_i < evt_num) { | |
1449 | if (name_only) { | |
1450 | printf("%s ", evt_list[evt_i++]); | |
1451 | continue; | |
1452 | } | |
1453 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1454 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1455 | } | |
1456 | if (evt_num) | |
1457 | printf("\n"); | |
1458 | ||
1459 | out_free: | |
1460 | evt_num = evt_i; | |
1461 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1462 | zfree(&evt_list[evt_i]); | |
1463 | zfree(&evt_list); | |
1464 | return; | |
1465 | ||
1466 | out_close_evt_dir: | |
1467 | closedir(evt_dir); | |
1468 | out_close_sys_dir: | |
1469 | closedir(sys_dir); | |
1470 | ||
1471 | printf("FATAL: not enough memory to print %s\n", | |
1472 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); | |
1473 | if (evt_list) | |
1474 | goto out_free; | |
f6bdafef JB |
1475 | } |
1476 | ||
20c457b8 TR |
1477 | /* |
1478 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1479 | */ | |
1480 | ||
1481 | int is_valid_tracepoint(const char *event_string) | |
1482 | { | |
1483 | DIR *sys_dir, *evt_dir; | |
1484 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1485 | char evt_path[MAXPATHLEN]; | |
1486 | char dir_path[MAXPATHLEN]; | |
1487 | ||
ebf294bf | 1488 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1489 | if (!sys_dir) |
1490 | return 0; | |
1491 | ||
1492 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1493 | ||
ebf294bf | 1494 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1495 | sys_dirent.d_name); |
1496 | evt_dir = opendir(dir_path); | |
1497 | if (!evt_dir) | |
1498 | continue; | |
1499 | ||
1500 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1501 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1502 | sys_dirent.d_name, evt_dirent.d_name); | |
1503 | if (!strcmp(evt_path, event_string)) { | |
1504 | closedir(evt_dir); | |
1505 | closedir(sys_dir); | |
1506 | return 1; | |
1507 | } | |
1508 | } | |
1509 | closedir(evt_dir); | |
1510 | } | |
1511 | closedir(sys_dir); | |
1512 | return 0; | |
1513 | } | |
1514 | ||
b41f1cec NK |
1515 | static bool is_event_supported(u8 type, unsigned config) |
1516 | { | |
1517 | bool ret = true; | |
88fee52e | 1518 | int open_return; |
b41f1cec NK |
1519 | struct perf_evsel *evsel; |
1520 | struct perf_event_attr attr = { | |
1521 | .type = type, | |
1522 | .config = config, | |
1523 | .disabled = 1, | |
b41f1cec NK |
1524 | }; |
1525 | struct { | |
1526 | struct thread_map map; | |
1527 | int threads[1]; | |
1528 | } tmap = { | |
1529 | .map.nr = 1, | |
1530 | .threads = { 0 }, | |
1531 | }; | |
1532 | ||
ef503831 | 1533 | evsel = perf_evsel__new(&attr); |
b41f1cec | 1534 | if (evsel) { |
88fee52e VW |
1535 | open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
1536 | ret = open_return >= 0; | |
1537 | ||
1538 | if (open_return == -EACCES) { | |
1539 | /* | |
1540 | * This happens if the paranoid value | |
1541 | * /proc/sys/kernel/perf_event_paranoid is set to 2 | |
1542 | * Re-run with exclude_kernel set; we don't do that | |
1543 | * by default as some ARM machines do not support it. | |
1544 | * | |
1545 | */ | |
1546 | evsel->attr.exclude_kernel = 1; | |
1547 | ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; | |
1548 | } | |
b41f1cec NK |
1549 | perf_evsel__delete(evsel); |
1550 | } | |
1551 | ||
1552 | return ret; | |
1553 | } | |
1554 | ||
a3277d2d | 1555 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 | 1556 | { |
ab0e4800 | 1557 | unsigned int type, op, i, evt_i = 0, evt_num = 0; |
0b668bc9 | 1558 | char name[64]; |
ab0e4800 YS |
1559 | char **evt_list = NULL; |
1560 | bool evt_num_known = false; | |
1561 | ||
1562 | restart: | |
1563 | if (evt_num_known) { | |
1564 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1565 | if (!evt_list) | |
1566 | goto out_enomem; | |
1567 | } | |
668b8788 ACM |
1568 | |
1569 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1570 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1571 | /* skip invalid cache type */ | |
0b668bc9 | 1572 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1573 | continue; |
1574 | ||
1575 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1576 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1577 | name, sizeof(name)); | |
947b4ad1 | 1578 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1579 | continue; |
1580 | ||
b41f1cec NK |
1581 | if (!is_event_supported(PERF_TYPE_HW_CACHE, |
1582 | type | (op << 8) | (i << 16))) | |
1583 | continue; | |
1584 | ||
ab0e4800 YS |
1585 | if (!evt_num_known) { |
1586 | evt_num++; | |
1587 | continue; | |
1588 | } | |
1589 | ||
1590 | evt_list[evt_i] = strdup(name); | |
1591 | if (evt_list[evt_i] == NULL) | |
1592 | goto out_enomem; | |
1593 | evt_i++; | |
668b8788 ACM |
1594 | } |
1595 | } | |
1596 | } | |
1597 | ||
ab0e4800 YS |
1598 | if (!evt_num_known) { |
1599 | evt_num_known = true; | |
1600 | goto restart; | |
1601 | } | |
1602 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1603 | evt_i = 0; | |
1604 | while (evt_i < evt_num) { | |
1605 | if (name_only) { | |
1606 | printf("%s ", evt_list[evt_i++]); | |
1607 | continue; | |
1608 | } | |
1609 | printf(" %-50s [%s]\n", evt_list[evt_i++], | |
1610 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1611 | } | |
1612 | if (evt_num) | |
dc098b35 | 1613 | printf("\n"); |
ab0e4800 YS |
1614 | |
1615 | out_free: | |
1616 | evt_num = evt_i; | |
1617 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1618 | zfree(&evt_list[evt_i]); | |
1619 | zfree(&evt_list); | |
1620 | return evt_num; | |
1621 | ||
1622 | out_enomem: | |
1623 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
1624 | if (evt_list) | |
1625 | goto out_free; | |
1626 | return evt_num; | |
668b8788 ACM |
1627 | } |
1628 | ||
705750f2 | 1629 | void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1630 | struct event_symbol *syms, unsigned max, |
1631 | bool name_only) | |
8ad8db37 | 1632 | { |
ab0e4800 | 1633 | unsigned int i, evt_i = 0, evt_num = 0; |
947b4ad1 | 1634 | char name[MAX_NAME_LEN]; |
ab0e4800 YS |
1635 | char **evt_list = NULL; |
1636 | bool evt_num_known = false; | |
1637 | ||
1638 | restart: | |
1639 | if (evt_num_known) { | |
1640 | evt_list = zalloc(sizeof(char *) * evt_num); | |
1641 | if (!evt_list) | |
1642 | goto out_enomem; | |
1643 | syms -= max; | |
1644 | } | |
8ad8db37 | 1645 | |
1dc12760 | 1646 | for (i = 0; i < max; i++, syms++) { |
668b8788 | 1647 | |
48000a1a | 1648 | if (event_glob != NULL && |
668b8788 ACM |
1649 | !(strglobmatch(syms->symbol, event_glob) || |
1650 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1651 | continue; | |
8ad8db37 | 1652 | |
b41f1cec NK |
1653 | if (!is_event_supported(type, i)) |
1654 | continue; | |
1655 | ||
ab0e4800 YS |
1656 | if (!evt_num_known) { |
1657 | evt_num++; | |
a3277d2d FW |
1658 | continue; |
1659 | } | |
1660 | ||
ab0e4800 | 1661 | if (!name_only && strlen(syms->alias)) |
947b4ad1 | 1662 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1663 | else |
947b4ad1 | 1664 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1665 | |
ab0e4800 YS |
1666 | evt_list[evt_i] = strdup(name); |
1667 | if (evt_list[evt_i] == NULL) | |
1668 | goto out_enomem; | |
1669 | evt_i++; | |
8ad8db37 IM |
1670 | } |
1671 | ||
ab0e4800 YS |
1672 | if (!evt_num_known) { |
1673 | evt_num_known = true; | |
1674 | goto restart; | |
1675 | } | |
1676 | qsort(evt_list, evt_num, sizeof(char *), cmp_string); | |
1677 | evt_i = 0; | |
1678 | while (evt_i < evt_num) { | |
1679 | if (name_only) { | |
1680 | printf("%s ", evt_list[evt_i++]); | |
1681 | continue; | |
1682 | } | |
1683 | printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); | |
1684 | } | |
1685 | if (evt_num) | |
668b8788 | 1686 | printf("\n"); |
ab0e4800 YS |
1687 | |
1688 | out_free: | |
1689 | evt_num = evt_i; | |
1690 | for (evt_i = 0; evt_i < evt_num; evt_i++) | |
1691 | zfree(&evt_list[evt_i]); | |
1692 | zfree(&evt_list); | |
1693 | return; | |
1694 | ||
1695 | out_enomem: | |
1696 | printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); | |
1697 | if (evt_list) | |
1698 | goto out_free; | |
1dc12760 JO |
1699 | } |
1700 | ||
1701 | /* | |
1702 | * Print the help text for the event symbols: | |
1703 | */ | |
a3277d2d | 1704 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1705 | { |
1dc12760 | 1706 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
a3277d2d | 1707 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1708 | |
1709 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1710 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1711 | |
a3277d2d | 1712 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1713 | |
dc098b35 AK |
1714 | print_pmu_events(event_glob, name_only); |
1715 | ||
668b8788 ACM |
1716 | if (event_glob != NULL) |
1717 | return; | |
73c24cb8 | 1718 | |
a3277d2d | 1719 | if (!name_only) { |
a3277d2d FW |
1720 | printf(" %-50s [%s]\n", |
1721 | "rNNN", | |
1722 | event_type_descriptors[PERF_TYPE_RAW]); | |
1723 | printf(" %-50s [%s]\n", | |
1724 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1725 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1726 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1727 | printf("\n"); |
1728 | ||
1729 | printf(" %-50s [%s]\n", | |
3741eb9f | 1730 | "mem:<addr>[/len][:access]", |
41bdcb23 | 1731 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1732 | printf("\n"); |
1733 | } | |
1b290d67 | 1734 | |
a3277d2d | 1735 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1736 | } |
8f707d84 | 1737 | |
6cee6cd3 | 1738 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1739 | { |
16fa7e82 | 1740 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1741 | } |
1742 | ||
6cee6cd3 | 1743 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1744 | int type_term, char *config, |
cecf3a2e | 1745 | char *str, u64 num, int err_term, int err_val) |
8f707d84 | 1746 | { |
6cee6cd3 | 1747 | struct parse_events_term *term; |
8f707d84 JO |
1748 | |
1749 | term = zalloc(sizeof(*term)); | |
1750 | if (!term) | |
1751 | return -ENOMEM; | |
1752 | ||
1753 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1754 | term->type_val = type_val; |
1755 | term->type_term = type_term; | |
8f707d84 | 1756 | term->config = config; |
cecf3a2e JO |
1757 | term->err_term = err_term; |
1758 | term->err_val = err_val; | |
8f707d84 | 1759 | |
16fa7e82 | 1760 | switch (type_val) { |
8f707d84 JO |
1761 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1762 | term->val.num = num; | |
1763 | break; | |
1764 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1765 | term->val.str = str; | |
1766 | break; | |
1767 | default: | |
4be8be6b | 1768 | free(term); |
8f707d84 JO |
1769 | return -EINVAL; |
1770 | } | |
1771 | ||
1772 | *_term = term; | |
1773 | return 0; | |
1774 | } | |
1775 | ||
6cee6cd3 | 1776 | int parse_events_term__num(struct parse_events_term **term, |
cecf3a2e | 1777 | int type_term, char *config, u64 num, |
bb78ce7d | 1778 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1779 | { |
bb78ce7d AH |
1780 | YYLTYPE *loc_term = loc_term_; |
1781 | YYLTYPE *loc_val = loc_val_; | |
1782 | ||
16fa7e82 | 1783 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, |
cecf3a2e JO |
1784 | config, NULL, num, |
1785 | loc_term ? loc_term->first_column : 0, | |
1786 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1787 | } |
1788 | ||
6cee6cd3 | 1789 | int parse_events_term__str(struct parse_events_term **term, |
cecf3a2e | 1790 | int type_term, char *config, char *str, |
bb78ce7d | 1791 | void *loc_term_, void *loc_val_) |
16fa7e82 | 1792 | { |
bb78ce7d AH |
1793 | YYLTYPE *loc_term = loc_term_; |
1794 | YYLTYPE *loc_val = loc_val_; | |
1795 | ||
16fa7e82 | 1796 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, |
cecf3a2e JO |
1797 | config, str, 0, |
1798 | loc_term ? loc_term->first_column : 0, | |
1799 | loc_val ? loc_val->first_column : 0); | |
16fa7e82 JO |
1800 | } |
1801 | ||
6cee6cd3 | 1802 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1803 | char *config, unsigned idx) |
1804 | { | |
1805 | struct event_symbol *sym; | |
1806 | ||
1807 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1808 | sym = &event_symbols_hw[idx]; | |
1809 | ||
1810 | if (config) | |
1811 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1812 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
cecf3a2e | 1813 | (char *) sym->symbol, 0, 0, 0); |
1d33d6dc JO |
1814 | else |
1815 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1816 | PARSE_EVENTS__TERM_TYPE_USER, | |
cecf3a2e JO |
1817 | (char *) "event", (char *) sym->symbol, |
1818 | 0, 0, 0); | |
1d33d6dc JO |
1819 | } |
1820 | ||
6cee6cd3 ACM |
1821 | int parse_events_term__clone(struct parse_events_term **new, |
1822 | struct parse_events_term *term) | |
a6146d50 ZY |
1823 | { |
1824 | return new_term(new, term->type_val, term->type_term, term->config, | |
cecf3a2e JO |
1825 | term->val.str, term->val.num, |
1826 | term->err_term, term->err_val); | |
a6146d50 ZY |
1827 | } |
1828 | ||
8f707d84 JO |
1829 | void parse_events__free_terms(struct list_head *terms) |
1830 | { | |
6cee6cd3 | 1831 | struct parse_events_term *term, *h; |
8f707d84 JO |
1832 | |
1833 | list_for_each_entry_safe(term, h, terms, list) | |
1834 | free(term); | |
8f707d84 | 1835 | } |
b39b8393 JO |
1836 | |
1837 | void parse_events_evlist_error(struct parse_events_evlist *data, | |
1838 | int idx, const char *str) | |
1839 | { | |
1840 | struct parse_events_error *err = data->error; | |
1841 | ||
a6ced2be AH |
1842 | if (!err) |
1843 | return; | |
b39b8393 JO |
1844 | err->idx = idx; |
1845 | err->str = strdup(str); | |
1846 | WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); | |
1847 | } |