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Commit | Line | Data |
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d2709c7c | 1 | #include <linux/hw_breakpoint.h> |
8ad8db37 | 2 | #include "util.h" |
6b58e7f1 | 3 | #include "../perf.h" |
361c99a6 | 4 | #include "evlist.h" |
69aad6f1 | 5 | #include "evsel.h" |
8ad8db37 IM |
6 | #include "parse-options.h" |
7 | #include "parse-events.h" | |
8 | #include "exec_cmd.h" | |
50e200f0 | 9 | #include "linux/string.h" |
5aab621b | 10 | #include "symbol.h" |
5beeded1 | 11 | #include "cache.h" |
8755a8f2 | 12 | #include "header.h" |
85c66be1 | 13 | #include <lk/debugfs.h> |
ac20de6f | 14 | #include "parse-events-bison.h" |
90e2b22d | 15 | #define YY_EXTRA_TYPE int |
89812fc8 | 16 | #include "parse-events-flex.h" |
5f537a26 | 17 | #include "pmu.h" |
89812fc8 JO |
18 | |
19 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 20 | |
8ad8db37 | 21 | struct event_symbol { |
83a0944f IM |
22 | const char *symbol; |
23 | const char *alias; | |
8ad8db37 IM |
24 | }; |
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 | |
1dc12760 JO |
31 | static struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
32 | [PERF_COUNT_HW_CPU_CYCLES] = { | |
33 | .symbol = "cpu-cycles", | |
34 | .alias = "cycles", | |
35 | }, | |
36 | [PERF_COUNT_HW_INSTRUCTIONS] = { | |
37 | .symbol = "instructions", | |
38 | .alias = "", | |
39 | }, | |
40 | [PERF_COUNT_HW_CACHE_REFERENCES] = { | |
41 | .symbol = "cache-references", | |
42 | .alias = "", | |
43 | }, | |
44 | [PERF_COUNT_HW_CACHE_MISSES] = { | |
45 | .symbol = "cache-misses", | |
46 | .alias = "", | |
47 | }, | |
48 | [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { | |
49 | .symbol = "branch-instructions", | |
50 | .alias = "branches", | |
51 | }, | |
52 | [PERF_COUNT_HW_BRANCH_MISSES] = { | |
53 | .symbol = "branch-misses", | |
54 | .alias = "", | |
55 | }, | |
56 | [PERF_COUNT_HW_BUS_CYCLES] = { | |
57 | .symbol = "bus-cycles", | |
58 | .alias = "", | |
59 | }, | |
60 | [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { | |
61 | .symbol = "stalled-cycles-frontend", | |
62 | .alias = "idle-cycles-frontend", | |
63 | }, | |
64 | [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { | |
65 | .symbol = "stalled-cycles-backend", | |
66 | .alias = "idle-cycles-backend", | |
67 | }, | |
68 | [PERF_COUNT_HW_REF_CPU_CYCLES] = { | |
69 | .symbol = "ref-cycles", | |
70 | .alias = "", | |
71 | }, | |
72 | }; | |
73 | ||
74 | static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { | |
75 | [PERF_COUNT_SW_CPU_CLOCK] = { | |
76 | .symbol = "cpu-clock", | |
77 | .alias = "", | |
78 | }, | |
79 | [PERF_COUNT_SW_TASK_CLOCK] = { | |
80 | .symbol = "task-clock", | |
81 | .alias = "", | |
82 | }, | |
83 | [PERF_COUNT_SW_PAGE_FAULTS] = { | |
84 | .symbol = "page-faults", | |
85 | .alias = "faults", | |
86 | }, | |
87 | [PERF_COUNT_SW_CONTEXT_SWITCHES] = { | |
88 | .symbol = "context-switches", | |
89 | .alias = "cs", | |
90 | }, | |
91 | [PERF_COUNT_SW_CPU_MIGRATIONS] = { | |
92 | .symbol = "cpu-migrations", | |
93 | .alias = "migrations", | |
94 | }, | |
95 | [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { | |
96 | .symbol = "minor-faults", | |
97 | .alias = "", | |
98 | }, | |
99 | [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { | |
100 | .symbol = "major-faults", | |
101 | .alias = "", | |
102 | }, | |
103 | [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { | |
104 | .symbol = "alignment-faults", | |
105 | .alias = "", | |
106 | }, | |
107 | [PERF_COUNT_SW_EMULATION_FAULTS] = { | |
108 | .symbol = "emulation-faults", | |
109 | .alias = "", | |
110 | }, | |
8ad8db37 IM |
111 | }; |
112 | ||
cdd6c482 IM |
113 | #define __PERF_EVENT_FIELD(config, name) \ |
114 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 115 | |
1fc570ad | 116 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 117 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 118 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 119 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 120 | |
6b58e7f1 | 121 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 122 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 123 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
124 | (strcmp(sys_dirent.d_name, ".")) && \ |
125 | (strcmp(sys_dirent.d_name, ".."))) | |
126 | ||
ae07b63f PZ |
127 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
128 | { | |
129 | char evt_path[MAXPATHLEN]; | |
130 | int fd; | |
131 | ||
ebf294bf | 132 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
133 | sys_dir->d_name, evt_dir->d_name); |
134 | fd = open(evt_path, O_RDONLY); | |
135 | if (fd < 0) | |
136 | return -EINVAL; | |
137 | close(fd); | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
6b58e7f1 | 142 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 143 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 144 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 145 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
146 | (strcmp(evt_dirent.d_name, "..")) && \ |
147 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 148 | |
270bbbe8 | 149 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 150 | |
f6bdafef | 151 | |
1ef2ed10 | 152 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 153 | { |
1ef2ed10 | 154 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
155 | DIR *sys_dir, *evt_dir; |
156 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 157 | char id_buf[24]; |
725b1368 | 158 | int fd; |
f6bdafef JB |
159 | u64 id; |
160 | char evt_path[MAXPATHLEN]; | |
725b1368 | 161 | char dir_path[MAXPATHLEN]; |
f6bdafef | 162 | |
ebf294bf | 163 | if (debugfs_valid_mountpoint(tracing_events_path)) |
1ef2ed10 | 164 | return NULL; |
f6bdafef | 165 | |
ebf294bf | 166 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 167 | if (!sys_dir) |
725b1368 | 168 | return NULL; |
6b58e7f1 UD |
169 | |
170 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 171 | |
ebf294bf | 172 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
173 | sys_dirent.d_name); |
174 | evt_dir = opendir(dir_path); | |
175 | if (!evt_dir) | |
6b58e7f1 | 176 | continue; |
725b1368 | 177 | |
6b58e7f1 | 178 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
179 | |
180 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 181 | evt_dirent.d_name); |
725b1368 | 182 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
183 | if (fd < 0) |
184 | continue; | |
185 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
186 | close(fd); | |
187 | continue; | |
188 | } | |
189 | close(fd); | |
190 | id = atoll(id_buf); | |
191 | if (id == config) { | |
192 | closedir(evt_dir); | |
193 | closedir(sys_dir); | |
59b4caeb | 194 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
195 | path->system = malloc(MAX_EVENT_LENGTH); |
196 | if (!path->system) { | |
197 | free(path); | |
198 | return NULL; | |
199 | } | |
200 | path->name = malloc(MAX_EVENT_LENGTH); | |
201 | if (!path->name) { | |
202 | free(path->system); | |
203 | free(path); | |
204 | return NULL; | |
205 | } | |
206 | strncpy(path->system, sys_dirent.d_name, | |
207 | MAX_EVENT_LENGTH); | |
208 | strncpy(path->name, evt_dirent.d_name, | |
209 | MAX_EVENT_LENGTH); | |
210 | return path; | |
f6bdafef JB |
211 | } |
212 | } | |
213 | closedir(evt_dir); | |
214 | } | |
215 | ||
f6bdafef | 216 | closedir(sys_dir); |
1ef2ed10 FW |
217 | return NULL; |
218 | } | |
219 | ||
e7c93f09 NK |
220 | struct tracepoint_path *tracepoint_name_to_path(const char *name) |
221 | { | |
222 | struct tracepoint_path *path = zalloc(sizeof(*path)); | |
223 | char *str = strchr(name, ':'); | |
224 | ||
225 | if (path == NULL || str == NULL) { | |
226 | free(path); | |
227 | return NULL; | |
228 | } | |
229 | ||
230 | path->system = strndup(name, str - name); | |
231 | path->name = strdup(str+1); | |
232 | ||
233 | if (path->system == NULL || path->name == NULL) { | |
234 | free(path->system); | |
235 | free(path->name); | |
236 | free(path); | |
237 | path = NULL; | |
238 | } | |
239 | ||
240 | return path; | |
241 | } | |
242 | ||
1424dc96 DA |
243 | const char *event_type(int type) |
244 | { | |
245 | switch (type) { | |
246 | case PERF_TYPE_HARDWARE: | |
247 | return "hardware"; | |
248 | ||
249 | case PERF_TYPE_SOFTWARE: | |
250 | return "software"; | |
251 | ||
252 | case PERF_TYPE_TRACEPOINT: | |
253 | return "tracepoint"; | |
254 | ||
255 | case PERF_TYPE_HW_CACHE: | |
256 | return "hardware-cache"; | |
257 | ||
258 | default: | |
259 | break; | |
260 | } | |
261 | ||
262 | return "unknown"; | |
263 | } | |
264 | ||
7ae92e74 YZ |
265 | |
266 | ||
c5cd8ac0 | 267 | static int __add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
268 | struct perf_event_attr *attr, |
269 | char *name, struct cpu_map *cpus) | |
89812fc8 JO |
270 | { |
271 | struct perf_evsel *evsel; | |
272 | ||
273 | event_attr_init(attr); | |
274 | ||
275 | evsel = perf_evsel__new(attr, (*idx)++); | |
c5cd8ac0 | 276 | if (!evsel) |
89812fc8 | 277 | return -ENOMEM; |
89812fc8 | 278 | |
7ae92e74 | 279 | evsel->cpus = cpus; |
9db1763c ACM |
280 | if (name) |
281 | evsel->name = strdup(name); | |
b847cbdc | 282 | list_add_tail(&evsel->node, list); |
89812fc8 JO |
283 | return 0; |
284 | } | |
285 | ||
c5cd8ac0 | 286 | static int add_event(struct list_head *list, int *idx, |
7ae92e74 YZ |
287 | struct perf_event_attr *attr, char *name) |
288 | { | |
c5cd8ac0 | 289 | return __add_event(list, idx, attr, name, NULL); |
7ae92e74 YZ |
290 | } |
291 | ||
0b668bc9 | 292 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
293 | { |
294 | int i, j; | |
61c45981 | 295 | int n, longest = -1; |
8326f44d IM |
296 | |
297 | for (i = 0; i < size; i++) { | |
0b668bc9 | 298 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 299 | n = strlen(names[i][j]); |
89812fc8 | 300 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
301 | longest = n; |
302 | } | |
89812fc8 | 303 | if (longest > 0) |
61c45981 | 304 | return i; |
8326f44d IM |
305 | } |
306 | ||
8953645f | 307 | return -1; |
8326f44d IM |
308 | } |
309 | ||
c5cd8ac0 | 310 | int parse_events_add_cache(struct list_head *list, int *idx, |
89812fc8 | 311 | char *type, char *op_result1, char *op_result2) |
8326f44d | 312 | { |
89812fc8 JO |
313 | struct perf_event_attr attr; |
314 | char name[MAX_NAME_LEN]; | |
61c45981 | 315 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
316 | char *op_result[2] = { op_result1, op_result2 }; |
317 | int i, n; | |
8326f44d | 318 | |
8326f44d IM |
319 | /* |
320 | * No fallback - if we cannot get a clear cache type | |
321 | * then bail out: | |
322 | */ | |
0b668bc9 | 323 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 324 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 325 | if (cache_type == -1) |
89812fc8 JO |
326 | return -EINVAL; |
327 | ||
328 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 329 | |
89812fc8 JO |
330 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
331 | char *str = op_result[i]; | |
332 | ||
275ef387 | 333 | n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
61c45981 PM |
334 | |
335 | if (cache_op == -1) { | |
0b668bc9 | 336 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 337 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 338 | if (cache_op >= 0) { |
0b668bc9 | 339 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 340 | return -EINVAL; |
61c45981 PM |
341 | continue; |
342 | } | |
343 | } | |
344 | ||
345 | if (cache_result == -1) { | |
0b668bc9 ACM |
346 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
347 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
348 | if (cache_result >= 0) |
349 | continue; | |
350 | } | |
61c45981 | 351 | } |
8326f44d | 352 | |
8326f44d IM |
353 | /* |
354 | * Fall back to reads: | |
355 | */ | |
8953645f IM |
356 | if (cache_op == -1) |
357 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 358 | |
8326f44d IM |
359 | /* |
360 | * Fall back to accesses: | |
361 | */ | |
362 | if (cache_result == -1) | |
363 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
364 | ||
89812fc8 JO |
365 | memset(&attr, 0, sizeof(attr)); |
366 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
367 | attr.type = PERF_TYPE_HW_CACHE; | |
368 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
369 | } |
370 | ||
c5cd8ac0 | 371 | static int add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 372 | char *sys_name, char *evt_name) |
bcd3279f | 373 | { |
82fe1c29 | 374 | struct perf_evsel *evsel; |
bcd3279f | 375 | |
82fe1c29 | 376 | evsel = perf_evsel__newtp(sys_name, evt_name, (*idx)++); |
c5cd8ac0 | 377 | if (!evsel) |
82fe1c29 | 378 | return -ENOMEM; |
bcd3279f | 379 | |
82fe1c29 | 380 | list_add_tail(&evsel->node, list); |
c5cd8ac0 | 381 | |
82fe1c29 | 382 | return 0; |
8326f44d IM |
383 | } |
384 | ||
c5cd8ac0 | 385 | static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
f35488f9 | 386 | char *sys_name, char *evt_name) |
bcd3279f FW |
387 | { |
388 | char evt_path[MAXPATHLEN]; | |
389 | struct dirent *evt_ent; | |
390 | DIR *evt_dir; | |
89812fc8 | 391 | int ret = 0; |
bcd3279f | 392 | |
ebf294bf | 393 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 394 | evt_dir = opendir(evt_path); |
bcd3279f FW |
395 | if (!evt_dir) { |
396 | perror("Can't open event dir"); | |
89812fc8 | 397 | return -1; |
bcd3279f FW |
398 | } |
399 | ||
89812fc8 | 400 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
401 | if (!strcmp(evt_ent->d_name, ".") |
402 | || !strcmp(evt_ent->d_name, "..") | |
403 | || !strcmp(evt_ent->d_name, "enable") | |
404 | || !strcmp(evt_ent->d_name, "filter")) | |
405 | continue; | |
406 | ||
89812fc8 | 407 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
408 | continue; |
409 | ||
89812fc8 | 410 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
411 | } |
412 | ||
0bd3f084 | 413 | closedir(evt_dir); |
89812fc8 | 414 | return ret; |
bcd3279f FW |
415 | } |
416 | ||
c5cd8ac0 | 417 | static int add_tracepoint_event(struct list_head *list, int *idx, |
f35488f9 JO |
418 | char *sys_name, char *evt_name) |
419 | { | |
420 | return strpbrk(evt_name, "*?") ? | |
421 | add_tracepoint_multi_event(list, idx, sys_name, evt_name) : | |
422 | add_tracepoint(list, idx, sys_name, evt_name); | |
423 | } | |
424 | ||
c5cd8ac0 | 425 | static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
f35488f9 JO |
426 | char *sys_name, char *evt_name) |
427 | { | |
428 | struct dirent *events_ent; | |
429 | DIR *events_dir; | |
430 | int ret = 0; | |
431 | ||
432 | events_dir = opendir(tracing_events_path); | |
433 | if (!events_dir) { | |
434 | perror("Can't open event dir"); | |
435 | return -1; | |
436 | } | |
437 | ||
438 | while (!ret && (events_ent = readdir(events_dir))) { | |
439 | if (!strcmp(events_ent->d_name, ".") | |
440 | || !strcmp(events_ent->d_name, "..") | |
441 | || !strcmp(events_ent->d_name, "enable") | |
442 | || !strcmp(events_ent->d_name, "header_event") | |
443 | || !strcmp(events_ent->d_name, "header_page")) | |
444 | continue; | |
445 | ||
446 | if (!strglobmatch(events_ent->d_name, sys_name)) | |
447 | continue; | |
448 | ||
449 | ret = add_tracepoint_event(list, idx, events_ent->d_name, | |
450 | evt_name); | |
451 | } | |
452 | ||
453 | closedir(events_dir); | |
454 | return ret; | |
455 | } | |
456 | ||
c5cd8ac0 | 457 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
89812fc8 | 458 | char *sys, char *event) |
f6bdafef | 459 | { |
89812fc8 | 460 | int ret; |
f6bdafef | 461 | |
89812fc8 JO |
462 | ret = debugfs_valid_mountpoint(tracing_events_path); |
463 | if (ret) | |
464 | return ret; | |
f6bdafef | 465 | |
f35488f9 JO |
466 | if (strpbrk(sys, "*?")) |
467 | return add_tracepoint_multi_sys(list, idx, sys, event); | |
468 | else | |
469 | return add_tracepoint_event(list, idx, sys, event); | |
f6bdafef JB |
470 | } |
471 | ||
89812fc8 JO |
472 | static int |
473 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
474 | { |
475 | int i; | |
476 | ||
477 | for (i = 0; i < 3; i++) { | |
89812fc8 | 478 | if (!type || !type[i]) |
1b290d67 FW |
479 | break; |
480 | ||
7582732f JO |
481 | #define CHECK_SET_TYPE(bit) \ |
482 | do { \ | |
483 | if (attr->bp_type & bit) \ | |
484 | return -EINVAL; \ | |
485 | else \ | |
486 | attr->bp_type |= bit; \ | |
487 | } while (0) | |
488 | ||
1b290d67 FW |
489 | switch (type[i]) { |
490 | case 'r': | |
7582732f | 491 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
492 | break; |
493 | case 'w': | |
7582732f | 494 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
495 | break; |
496 | case 'x': | |
7582732f | 497 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
498 | break; |
499 | default: | |
89812fc8 | 500 | return -EINVAL; |
1b290d67 FW |
501 | } |
502 | } | |
89812fc8 | 503 | |
7582732f JO |
504 | #undef CHECK_SET_TYPE |
505 | ||
1b290d67 FW |
506 | if (!attr->bp_type) /* Default */ |
507 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
508 | ||
89812fc8 | 509 | return 0; |
1b290d67 FW |
510 | } |
511 | ||
c5cd8ac0 | 512 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
89812fc8 | 513 | void *ptr, char *type) |
1b290d67 | 514 | { |
89812fc8 | 515 | struct perf_event_attr attr; |
1b290d67 | 516 | |
89812fc8 | 517 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 518 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 519 | |
89812fc8 JO |
520 | if (parse_breakpoint_type(type, &attr)) |
521 | return -EINVAL; | |
1b290d67 | 522 | |
aa59a485 FW |
523 | /* |
524 | * We should find a nice way to override the access length | |
525 | * Provide some defaults for now | |
526 | */ | |
89812fc8 JO |
527 | if (attr.bp_type == HW_BREAKPOINT_X) |
528 | attr.bp_len = sizeof(long); | |
aa59a485 | 529 | else |
89812fc8 | 530 | attr.bp_len = HW_BREAKPOINT_LEN_4; |
61c45981 | 531 | |
89812fc8 | 532 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 533 | attr.sample_period = 1; |
b908debd | 534 | |
287e74aa | 535 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
536 | } |
537 | ||
8f707d84 | 538 | static int config_term(struct perf_event_attr *attr, |
6cee6cd3 | 539 | struct parse_events_term *term) |
8f707d84 | 540 | { |
16fa7e82 JO |
541 | #define CHECK_TYPE_VAL(type) \ |
542 | do { \ | |
543 | if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \ | |
544 | return -EINVAL; \ | |
545 | } while (0) | |
546 | ||
547 | switch (term->type_term) { | |
8f707d84 | 548 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 549 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
550 | attr->config = term->val.num; |
551 | break; | |
552 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 553 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
554 | attr->config1 = term->val.num; |
555 | break; | |
556 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 557 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
558 | attr->config2 = term->val.num; |
559 | break; | |
560 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 561 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
562 | attr->sample_period = term->val.num; |
563 | break; | |
564 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
565 | /* | |
566 | * TODO uncomment when the field is available | |
567 | * attr->branch_sample_type = term->val.num; | |
568 | */ | |
569 | break; | |
6b5fc39b JO |
570 | case PARSE_EVENTS__TERM_TYPE_NAME: |
571 | CHECK_TYPE_VAL(STR); | |
572 | break; | |
8f707d84 JO |
573 | default: |
574 | return -EINVAL; | |
575 | } | |
16fa7e82 | 576 | |
8f707d84 | 577 | return 0; |
16fa7e82 | 578 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
579 | } |
580 | ||
581 | static int config_attr(struct perf_event_attr *attr, | |
582 | struct list_head *head, int fail) | |
583 | { | |
6cee6cd3 | 584 | struct parse_events_term *term; |
8f707d84 JO |
585 | |
586 | list_for_each_entry(term, head, list) | |
587 | if (config_term(attr, term) && fail) | |
588 | return -EINVAL; | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
c5cd8ac0 | 593 | int parse_events_add_numeric(struct list_head *list, int *idx, |
b527bab5 | 594 | u32 type, u64 config, |
8f707d84 | 595 | struct list_head *head_config) |
8ad8db37 | 596 | { |
89812fc8 | 597 | struct perf_event_attr attr; |
61c45981 | 598 | |
89812fc8 JO |
599 | memset(&attr, 0, sizeof(attr)); |
600 | attr.type = type; | |
601 | attr.config = config; | |
8f707d84 JO |
602 | |
603 | if (head_config && | |
604 | config_attr(&attr, head_config, 1)) | |
605 | return -EINVAL; | |
606 | ||
9db1763c | 607 | return add_event(list, idx, &attr, NULL); |
61c45981 | 608 | } |
8ad8db37 | 609 | |
6cee6cd3 | 610 | static int parse_events__is_name_term(struct parse_events_term *term) |
6b5fc39b JO |
611 | { |
612 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
613 | } | |
614 | ||
9db1763c | 615 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b | 616 | { |
6cee6cd3 | 617 | struct parse_events_term *term; |
6b5fc39b JO |
618 | |
619 | list_for_each_entry(term, head_terms, list) | |
620 | if (parse_events__is_name_term(term)) | |
621 | return term->val.str; | |
622 | ||
9db1763c | 623 | return NULL; |
6b5fc39b JO |
624 | } |
625 | ||
c5cd8ac0 | 626 | int parse_events_add_pmu(struct list_head *list, int *idx, |
5f537a26 JO |
627 | char *name, struct list_head *head_config) |
628 | { | |
629 | struct perf_event_attr attr; | |
630 | struct perf_pmu *pmu; | |
631 | ||
632 | pmu = perf_pmu__find(name); | |
633 | if (!pmu) | |
634 | return -EINVAL; | |
635 | ||
636 | memset(&attr, 0, sizeof(attr)); | |
637 | ||
a6146d50 ZY |
638 | if (perf_pmu__check_alias(pmu, head_config)) |
639 | return -EINVAL; | |
640 | ||
5f537a26 JO |
641 | /* |
642 | * Configure hardcoded terms first, no need to check | |
643 | * return value when called with fail == 0 ;) | |
644 | */ | |
645 | config_attr(&attr, head_config, 0); | |
646 | ||
647 | if (perf_pmu__config(pmu, &attr, head_config)) | |
648 | return -EINVAL; | |
649 | ||
7ae92e74 YZ |
650 | return __add_event(list, idx, &attr, pmu_event_name(head_config), |
651 | pmu->cpus); | |
5f537a26 JO |
652 | } |
653 | ||
6a4bb04c JO |
654 | int parse_events__modifier_group(struct list_head *list, |
655 | char *event_mod) | |
89efb029 | 656 | { |
6a4bb04c JO |
657 | return parse_events__modifier_event(list, event_mod, true); |
658 | } | |
659 | ||
63dab225 | 660 | void parse_events__set_leader(char *name, struct list_head *list) |
6a4bb04c JO |
661 | { |
662 | struct perf_evsel *leader; | |
663 | ||
63dab225 ACM |
664 | __perf_evlist__set_leader(list); |
665 | leader = list_entry(list->next, struct perf_evsel, node); | |
6a4bb04c | 666 | leader->group_name = name ? strdup(name) : NULL; |
89efb029 JO |
667 | } |
668 | ||
c5cd8ac0 | 669 | /* list_event is assumed to point to malloc'ed memory */ |
5d7be90e JO |
670 | void parse_events_update_lists(struct list_head *list_event, |
671 | struct list_head *list_all) | |
672 | { | |
673 | /* | |
674 | * Called for single event definition. Update the | |
89efb029 | 675 | * 'all event' list, and reinit the 'single event' |
5d7be90e JO |
676 | * list, for next event definition. |
677 | */ | |
678 | list_splice_tail(list_event, list_all); | |
b847cbdc | 679 | free(list_event); |
5d7be90e JO |
680 | } |
681 | ||
f5b1135b JO |
682 | struct event_modifier { |
683 | int eu; | |
684 | int ek; | |
685 | int eh; | |
686 | int eH; | |
687 | int eG; | |
688 | int precise; | |
689 | int exclude_GH; | |
3c176311 | 690 | int sample_read; |
f5b1135b JO |
691 | }; |
692 | ||
693 | static int get_event_modifier(struct event_modifier *mod, char *str, | |
694 | struct perf_evsel *evsel) | |
61c45981 | 695 | { |
f5b1135b JO |
696 | int eu = evsel ? evsel->attr.exclude_user : 0; |
697 | int ek = evsel ? evsel->attr.exclude_kernel : 0; | |
698 | int eh = evsel ? evsel->attr.exclude_hv : 0; | |
699 | int eH = evsel ? evsel->attr.exclude_host : 0; | |
700 | int eG = evsel ? evsel->attr.exclude_guest : 0; | |
701 | int precise = evsel ? evsel->attr.precise_ip : 0; | |
3c176311 | 702 | int sample_read = 0; |
a21ca2ca | 703 | |
f5b1135b JO |
704 | int exclude = eu | ek | eh; |
705 | int exclude_GH = evsel ? evsel->exclude_GH : 0; | |
706 | ||
f5b1135b | 707 | memset(mod, 0, sizeof(*mod)); |
ceb53fbf | 708 | |
61c45981 | 709 | while (*str) { |
ab608344 PZ |
710 | if (*str == 'u') { |
711 | if (!exclude) | |
712 | exclude = eu = ek = eh = 1; | |
61c45981 | 713 | eu = 0; |
ab608344 PZ |
714 | } else if (*str == 'k') { |
715 | if (!exclude) | |
716 | exclude = eu = ek = eh = 1; | |
61c45981 | 717 | ek = 0; |
ab608344 PZ |
718 | } else if (*str == 'h') { |
719 | if (!exclude) | |
720 | exclude = eu = ek = eh = 1; | |
61c45981 | 721 | eh = 0; |
99320cc8 JR |
722 | } else if (*str == 'G') { |
723 | if (!exclude_GH) | |
724 | exclude_GH = eG = eH = 1; | |
725 | eG = 0; | |
726 | } else if (*str == 'H') { | |
727 | if (!exclude_GH) | |
728 | exclude_GH = eG = eH = 1; | |
729 | eH = 0; | |
ab608344 PZ |
730 | } else if (*str == 'p') { |
731 | precise++; | |
1342798c DA |
732 | /* use of precise requires exclude_guest */ |
733 | if (!exclude_GH) | |
734 | eG = 1; | |
3c176311 JO |
735 | } else if (*str == 'S') { |
736 | sample_read = 1; | |
ab608344 | 737 | } else |
61c45981 | 738 | break; |
ab608344 | 739 | |
61c45981 | 740 | ++str; |
5242519b | 741 | } |
ceb53fbf | 742 | |
89812fc8 JO |
743 | /* |
744 | * precise ip: | |
745 | * | |
746 | * 0 - SAMPLE_IP can have arbitrary skid | |
747 | * 1 - SAMPLE_IP must have constant skid | |
748 | * 2 - SAMPLE_IP requested to have 0 skid | |
749 | * 3 - SAMPLE_IP must have 0 skid | |
750 | * | |
751 | * See also PERF_RECORD_MISC_EXACT_IP | |
752 | */ | |
753 | if (precise > 3) | |
754 | return -EINVAL; | |
ceb53fbf | 755 | |
f5b1135b JO |
756 | mod->eu = eu; |
757 | mod->ek = ek; | |
758 | mod->eh = eh; | |
759 | mod->eH = eH; | |
760 | mod->eG = eG; | |
761 | mod->precise = precise; | |
762 | mod->exclude_GH = exclude_GH; | |
3c176311 | 763 | mod->sample_read = sample_read; |
f5b1135b JO |
764 | return 0; |
765 | } | |
766 | ||
534123f4 JO |
767 | /* |
768 | * Basic modifier sanity check to validate it contains only one | |
769 | * instance of any modifier (apart from 'p') present. | |
770 | */ | |
771 | static int check_modifier(char *str) | |
772 | { | |
773 | char *p = str; | |
774 | ||
775 | /* The sizeof includes 0 byte as well. */ | |
3c176311 | 776 | if (strlen(str) > (sizeof("ukhGHpppS") - 1)) |
534123f4 JO |
777 | return -1; |
778 | ||
779 | while (*p) { | |
780 | if (*p != 'p' && strchr(p + 1, *p)) | |
781 | return -1; | |
782 | p++; | |
783 | } | |
784 | ||
785 | return 0; | |
786 | } | |
787 | ||
f5b1135b JO |
788 | int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
789 | { | |
790 | struct perf_evsel *evsel; | |
791 | struct event_modifier mod; | |
792 | ||
793 | if (str == NULL) | |
794 | return 0; | |
795 | ||
534123f4 JO |
796 | if (check_modifier(str)) |
797 | return -EINVAL; | |
798 | ||
f5b1135b JO |
799 | if (!add && get_event_modifier(&mod, str, NULL)) |
800 | return -EINVAL; | |
801 | ||
89812fc8 | 802 | list_for_each_entry(evsel, list, node) { |
f5b1135b JO |
803 | |
804 | if (add && get_event_modifier(&mod, str, evsel)) | |
805 | return -EINVAL; | |
806 | ||
807 | evsel->attr.exclude_user = mod.eu; | |
808 | evsel->attr.exclude_kernel = mod.ek; | |
809 | evsel->attr.exclude_hv = mod.eh; | |
810 | evsel->attr.precise_ip = mod.precise; | |
811 | evsel->attr.exclude_host = mod.eH; | |
812 | evsel->attr.exclude_guest = mod.eG; | |
813 | evsel->exclude_GH = mod.exclude_GH; | |
3c176311 | 814 | evsel->sample_read = mod.sample_read; |
89812fc8 | 815 | } |
ceb53fbf | 816 | |
61c45981 PM |
817 | return 0; |
818 | } | |
8ad8db37 | 819 | |
ac2ba9f3 RR |
820 | int parse_events_name(struct list_head *list, char *name) |
821 | { | |
822 | struct perf_evsel *evsel; | |
823 | ||
824 | list_for_each_entry(evsel, list, node) { | |
825 | if (!evsel->name) | |
826 | evsel->name = strdup(name); | |
827 | } | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
50e200f0 AK |
832 | static int parse_events__scanner(const char *str, void *data, int start_token); |
833 | ||
834 | static int parse_events_fixup(int ret, const char *str, void *data, | |
835 | int start_token) | |
836 | { | |
837 | char *o = strdup(str); | |
838 | char *s = NULL; | |
839 | char *t = o; | |
840 | char *p; | |
841 | int len = 0; | |
842 | ||
843 | if (!o) | |
844 | return ret; | |
845 | while ((p = strsep(&t, ",")) != NULL) { | |
846 | if (s) | |
847 | str_append(&s, &len, ","); | |
848 | str_append(&s, &len, "cpu/"); | |
849 | str_append(&s, &len, p); | |
850 | str_append(&s, &len, "/"); | |
851 | } | |
852 | free(o); | |
853 | if (!s) | |
854 | return -ENOMEM; | |
855 | return parse_events__scanner(s, data, start_token); | |
856 | } | |
857 | ||
90e2b22d | 858 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 859 | { |
89812fc8 | 860 | YY_BUFFER_STATE buffer; |
ac20de6f | 861 | void *scanner; |
46010ab2 | 862 | int ret; |
bcd3279f | 863 | |
90e2b22d | 864 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
865 | if (ret) |
866 | return ret; | |
867 | ||
868 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 869 | |
82ba1f2f JO |
870 | #ifdef PARSER_DEBUG |
871 | parse_events_debug = 1; | |
872 | #endif | |
ac20de6f ZY |
873 | ret = parse_events_parse(data, scanner); |
874 | ||
875 | parse_events__flush_buffer(buffer, scanner); | |
876 | parse_events__delete_buffer(buffer, scanner); | |
877 | parse_events_lex_destroy(scanner); | |
50e200f0 AK |
878 | if (ret && !strchr(str, '/')) |
879 | ret = parse_events_fixup(ret, str, data, start_token); | |
ac20de6f ZY |
880 | return ret; |
881 | } | |
bcd3279f | 882 | |
90e2b22d JO |
883 | /* |
884 | * parse event config string, return a list of event terms. | |
885 | */ | |
886 | int parse_events_terms(struct list_head *terms, const char *str) | |
887 | { | |
23b6339b | 888 | struct parse_events_terms data = { |
90e2b22d JO |
889 | .terms = NULL, |
890 | }; | |
891 | int ret; | |
892 | ||
893 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
894 | if (!ret) { | |
895 | list_splice(data.terms, terms); | |
896 | free(data.terms); | |
897 | return 0; | |
898 | } | |
899 | ||
b2c34fde AH |
900 | if (data.terms) |
901 | parse_events__free_terms(data.terms); | |
90e2b22d JO |
902 | return ret; |
903 | } | |
904 | ||
d8f7bbc9 | 905 | int parse_events(struct perf_evlist *evlist, const char *str) |
ac20de6f | 906 | { |
23b6339b | 907 | struct parse_events_evlist data = { |
ac20de6f ZY |
908 | .list = LIST_HEAD_INIT(data.list), |
909 | .idx = evlist->nr_entries, | |
910 | }; | |
911 | int ret; | |
bcd3279f | 912 | |
90e2b22d | 913 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
89812fc8 | 914 | if (!ret) { |
46010ab2 JO |
915 | int entries = data.idx - evlist->nr_entries; |
916 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
97f63e4a | 917 | evlist->nr_groups += data.nr_groups; |
89812fc8 JO |
918 | return 0; |
919 | } | |
bcd3279f | 920 | |
5d7be90e JO |
921 | /* |
922 | * There are 2 users - builtin-record and builtin-test objects. | |
923 | * Both call perf_evlist__delete in case of error, so we dont | |
924 | * need to bother. | |
925 | */ | |
bcd3279f | 926 | return ret; |
8ad8db37 IM |
927 | } |
928 | ||
f120f9d5 | 929 | int parse_events_option(const struct option *opt, const char *str, |
1d037ca1 | 930 | int unset __maybe_unused) |
f120f9d5 JO |
931 | { |
932 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
d8f7bbc9 | 933 | int ret = parse_events(evlist, str); |
9175ce1f AK |
934 | |
935 | if (ret) { | |
936 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); | |
937 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
938 | } | |
939 | return ret; | |
f120f9d5 JO |
940 | } |
941 | ||
361c99a6 | 942 | int parse_filter(const struct option *opt, const char *str, |
1d037ca1 | 943 | int unset __maybe_unused) |
c171b552 | 944 | { |
361c99a6 | 945 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 946 | struct perf_evsel *last = NULL; |
c171b552 | 947 | |
361c99a6 | 948 | if (evlist->nr_entries > 0) |
0c21f736 | 949 | last = perf_evlist__last(evlist); |
69aad6f1 ACM |
950 | |
951 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 LZ |
952 | fprintf(stderr, |
953 | "-F option should follow a -e tracepoint option\n"); | |
954 | return -1; | |
955 | } | |
956 | ||
69aad6f1 ACM |
957 | last->filter = strdup(str); |
958 | if (last->filter == NULL) { | |
c171b552 LZ |
959 | fprintf(stderr, "not enough memory to hold filter string\n"); |
960 | return -1; | |
961 | } | |
c171b552 LZ |
962 | |
963 | return 0; | |
964 | } | |
965 | ||
86847b62 | 966 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
967 | "Hardware event", |
968 | "Software event", | |
969 | "Tracepoint event", | |
970 | "Hardware cache event", | |
41bdcb23 LW |
971 | "Raw hardware event descriptor", |
972 | "Hardware breakpoint", | |
86847b62 TG |
973 | }; |
974 | ||
f6bdafef JB |
975 | /* |
976 | * Print the events from <debugfs_mount_point>/tracing/events | |
977 | */ | |
978 | ||
a3277d2d FW |
979 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
980 | bool name_only) | |
f6bdafef JB |
981 | { |
982 | DIR *sys_dir, *evt_dir; | |
983 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 984 | char evt_path[MAXPATHLEN]; |
725b1368 | 985 | char dir_path[MAXPATHLEN]; |
f6bdafef | 986 | |
ebf294bf | 987 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
988 | return; |
989 | ||
ebf294bf | 990 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 991 | if (!sys_dir) |
725b1368 | 992 | return; |
6b58e7f1 UD |
993 | |
994 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
668b8788 ACM |
995 | if (subsys_glob != NULL && |
996 | !strglobmatch(sys_dirent.d_name, subsys_glob)) | |
997 | continue; | |
725b1368 | 998 | |
ebf294bf | 999 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
1000 | sys_dirent.d_name); |
1001 | evt_dir = opendir(dir_path); | |
1002 | if (!evt_dir) | |
6b58e7f1 | 1003 | continue; |
725b1368 | 1004 | |
6b58e7f1 | 1005 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
668b8788 ACM |
1006 | if (event_glob != NULL && |
1007 | !strglobmatch(evt_dirent.d_name, event_glob)) | |
1008 | continue; | |
1009 | ||
a3277d2d FW |
1010 | if (name_only) { |
1011 | printf("%s:%s ", sys_dirent.d_name, evt_dirent.d_name); | |
1012 | continue; | |
1013 | } | |
1014 | ||
f6bdafef JB |
1015 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
1016 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 1017 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 1018 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
1019 | } |
1020 | closedir(evt_dir); | |
1021 | } | |
f6bdafef JB |
1022 | closedir(sys_dir); |
1023 | } | |
1024 | ||
20c457b8 TR |
1025 | /* |
1026 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
1027 | */ | |
1028 | ||
1029 | int is_valid_tracepoint(const char *event_string) | |
1030 | { | |
1031 | DIR *sys_dir, *evt_dir; | |
1032 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
1033 | char evt_path[MAXPATHLEN]; | |
1034 | char dir_path[MAXPATHLEN]; | |
1035 | ||
ebf294bf | 1036 | if (debugfs_valid_mountpoint(tracing_events_path)) |
20c457b8 TR |
1037 | return 0; |
1038 | ||
ebf294bf | 1039 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
1040 | if (!sys_dir) |
1041 | return 0; | |
1042 | ||
1043 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
1044 | ||
ebf294bf | 1045 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
1046 | sys_dirent.d_name); |
1047 | evt_dir = opendir(dir_path); | |
1048 | if (!evt_dir) | |
1049 | continue; | |
1050 | ||
1051 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
1052 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
1053 | sys_dirent.d_name, evt_dirent.d_name); | |
1054 | if (!strcmp(evt_path, event_string)) { | |
1055 | closedir(evt_dir); | |
1056 | closedir(sys_dir); | |
1057 | return 1; | |
1058 | } | |
1059 | } | |
1060 | closedir(evt_dir); | |
1061 | } | |
1062 | closedir(sys_dir); | |
1063 | return 0; | |
1064 | } | |
1065 | ||
1dc12760 JO |
1066 | static void __print_events_type(u8 type, struct event_symbol *syms, |
1067 | unsigned max) | |
668b8788 | 1068 | { |
668b8788 | 1069 | char name[64]; |
1dc12760 | 1070 | unsigned i; |
668b8788 | 1071 | |
1dc12760 | 1072 | for (i = 0; i < max ; i++, syms++) { |
668b8788 ACM |
1073 | if (strlen(syms->alias)) |
1074 | snprintf(name, sizeof(name), "%s OR %s", | |
1075 | syms->symbol, syms->alias); | |
1076 | else | |
1077 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
1078 | ||
947b4ad1 | 1079 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
1080 | event_type_descriptors[type]); |
1081 | } | |
1082 | } | |
1083 | ||
1dc12760 JO |
1084 | void print_events_type(u8 type) |
1085 | { | |
1086 | if (type == PERF_TYPE_SOFTWARE) | |
1087 | __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX); | |
1088 | else | |
1089 | __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX); | |
1090 | } | |
1091 | ||
a3277d2d | 1092 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 ACM |
1093 | { |
1094 | unsigned int type, op, i, printed = 0; | |
0b668bc9 | 1095 | char name[64]; |
668b8788 ACM |
1096 | |
1097 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1098 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1099 | /* skip invalid cache type */ | |
0b668bc9 | 1100 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
1101 | continue; |
1102 | ||
1103 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
1104 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
1105 | name, sizeof(name)); | |
947b4ad1 | 1106 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1107 | continue; |
1108 | ||
a3277d2d FW |
1109 | if (name_only) |
1110 | printf("%s ", name); | |
1111 | else | |
1112 | printf(" %-50s [%s]\n", name, | |
1113 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
668b8788 ACM |
1114 | ++printed; |
1115 | } | |
1116 | } | |
1117 | } | |
1118 | ||
dc098b35 AK |
1119 | if (printed) |
1120 | printf("\n"); | |
668b8788 ACM |
1121 | return printed; |
1122 | } | |
1123 | ||
1dc12760 | 1124 | static void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
1125 | struct event_symbol *syms, unsigned max, |
1126 | bool name_only) | |
8ad8db37 | 1127 | { |
1dc12760 | 1128 | unsigned i, printed = 0; |
947b4ad1 | 1129 | char name[MAX_NAME_LEN]; |
8ad8db37 | 1130 | |
1dc12760 | 1131 | for (i = 0; i < max; i++, syms++) { |
668b8788 ACM |
1132 | |
1133 | if (event_glob != NULL && | |
1134 | !(strglobmatch(syms->symbol, event_glob) || | |
1135 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1136 | continue; | |
8ad8db37 | 1137 | |
a3277d2d FW |
1138 | if (name_only) { |
1139 | printf("%s ", syms->symbol); | |
1140 | continue; | |
1141 | } | |
1142 | ||
74d5b588 | 1143 | if (strlen(syms->alias)) |
947b4ad1 | 1144 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1145 | else |
947b4ad1 | 1146 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 1147 | |
1dc12760 JO |
1148 | printf(" %-50s [%s]\n", name, event_type_descriptors[type]); |
1149 | ||
1150 | printed++; | |
8ad8db37 IM |
1151 | } |
1152 | ||
1dc12760 | 1153 | if (printed) |
668b8788 | 1154 | printf("\n"); |
1dc12760 JO |
1155 | } |
1156 | ||
1157 | /* | |
1158 | * Print the help text for the event symbols: | |
1159 | */ | |
a3277d2d | 1160 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 1161 | { |
a3277d2d FW |
1162 | if (!name_only) { |
1163 | printf("\n"); | |
1164 | printf("List of pre-defined events (to be used in -e):\n"); | |
1165 | } | |
1dc12760 JO |
1166 | |
1167 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, | |
a3277d2d | 1168 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
1169 | |
1170 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 1171 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 1172 | |
a3277d2d | 1173 | print_hwcache_events(event_glob, name_only); |
668b8788 | 1174 | |
dc098b35 AK |
1175 | print_pmu_events(event_glob, name_only); |
1176 | ||
668b8788 ACM |
1177 | if (event_glob != NULL) |
1178 | return; | |
73c24cb8 | 1179 | |
a3277d2d | 1180 | if (!name_only) { |
a3277d2d FW |
1181 | printf(" %-50s [%s]\n", |
1182 | "rNNN", | |
1183 | event_type_descriptors[PERF_TYPE_RAW]); | |
1184 | printf(" %-50s [%s]\n", | |
1185 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1186 | event_type_descriptors[PERF_TYPE_RAW]); | |
af3df2cf | 1187 | printf(" (see 'man perf-list' on how to encode it)\n"); |
a3277d2d FW |
1188 | printf("\n"); |
1189 | ||
1190 | printf(" %-50s [%s]\n", | |
1191 | "mem:<addr>[:access]", | |
41bdcb23 | 1192 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1193 | printf("\n"); |
1194 | } | |
1b290d67 | 1195 | |
a3277d2d | 1196 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1197 | } |
8f707d84 | 1198 | |
6cee6cd3 | 1199 | int parse_events__is_hardcoded_term(struct parse_events_term *term) |
8f707d84 | 1200 | { |
16fa7e82 | 1201 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1202 | } |
1203 | ||
6cee6cd3 | 1204 | static int new_term(struct parse_events_term **_term, int type_val, |
16fa7e82 | 1205 | int type_term, char *config, |
b527bab5 | 1206 | char *str, u64 num) |
8f707d84 | 1207 | { |
6cee6cd3 | 1208 | struct parse_events_term *term; |
8f707d84 JO |
1209 | |
1210 | term = zalloc(sizeof(*term)); | |
1211 | if (!term) | |
1212 | return -ENOMEM; | |
1213 | ||
1214 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1215 | term->type_val = type_val; |
1216 | term->type_term = type_term; | |
8f707d84 JO |
1217 | term->config = config; |
1218 | ||
16fa7e82 | 1219 | switch (type_val) { |
8f707d84 JO |
1220 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1221 | term->val.num = num; | |
1222 | break; | |
1223 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1224 | term->val.str = str; | |
1225 | break; | |
1226 | default: | |
4be8be6b | 1227 | free(term); |
8f707d84 JO |
1228 | return -EINVAL; |
1229 | } | |
1230 | ||
1231 | *_term = term; | |
1232 | return 0; | |
1233 | } | |
1234 | ||
6cee6cd3 | 1235 | int parse_events_term__num(struct parse_events_term **term, |
b527bab5 | 1236 | int type_term, char *config, u64 num) |
16fa7e82 JO |
1237 | { |
1238 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, | |
1239 | config, NULL, num); | |
1240 | } | |
1241 | ||
6cee6cd3 | 1242 | int parse_events_term__str(struct parse_events_term **term, |
16fa7e82 JO |
1243 | int type_term, char *config, char *str) |
1244 | { | |
1245 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, | |
1246 | config, str, 0); | |
1247 | } | |
1248 | ||
6cee6cd3 | 1249 | int parse_events_term__sym_hw(struct parse_events_term **term, |
1d33d6dc JO |
1250 | char *config, unsigned idx) |
1251 | { | |
1252 | struct event_symbol *sym; | |
1253 | ||
1254 | BUG_ON(idx >= PERF_COUNT_HW_MAX); | |
1255 | sym = &event_symbols_hw[idx]; | |
1256 | ||
1257 | if (config) | |
1258 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1259 | PARSE_EVENTS__TERM_TYPE_USER, config, | |
1260 | (char *) sym->symbol, 0); | |
1261 | else | |
1262 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, | |
1263 | PARSE_EVENTS__TERM_TYPE_USER, | |
1264 | (char *) "event", (char *) sym->symbol, 0); | |
1265 | } | |
1266 | ||
6cee6cd3 ACM |
1267 | int parse_events_term__clone(struct parse_events_term **new, |
1268 | struct parse_events_term *term) | |
a6146d50 ZY |
1269 | { |
1270 | return new_term(new, term->type_val, term->type_term, term->config, | |
1271 | term->val.str, term->val.num); | |
1272 | } | |
1273 | ||
8f707d84 JO |
1274 | void parse_events__free_terms(struct list_head *terms) |
1275 | { | |
6cee6cd3 | 1276 | struct parse_events_term *term, *h; |
8f707d84 JO |
1277 | |
1278 | list_for_each_entry_safe(term, h, terms, list) | |
1279 | free(term); | |
8f707d84 | 1280 | } |