Commit | Line | Data |
---|---|---|
1b290d67 | 1 | #include "../../../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" | |
a0055ae2 | 9 | #include "string.h" |
5aab621b | 10 | #include "symbol.h" |
5beeded1 | 11 | #include "cache.h" |
8755a8f2 | 12 | #include "header.h" |
549104f2 | 13 | #include "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 | ||
1424dc96 DA |
220 | const char *event_type(int type) |
221 | { | |
222 | switch (type) { | |
223 | case PERF_TYPE_HARDWARE: | |
224 | return "hardware"; | |
225 | ||
226 | case PERF_TYPE_SOFTWARE: | |
227 | return "software"; | |
228 | ||
229 | case PERF_TYPE_TRACEPOINT: | |
230 | return "tracepoint"; | |
231 | ||
232 | case PERF_TYPE_HW_CACHE: | |
233 | return "hardware-cache"; | |
234 | ||
235 | default: | |
236 | break; | |
237 | } | |
238 | ||
239 | return "unknown"; | |
240 | } | |
241 | ||
b847cbdc | 242 | static int add_event(struct list_head **_list, int *idx, |
89812fc8 JO |
243 | struct perf_event_attr *attr, char *name) |
244 | { | |
245 | struct perf_evsel *evsel; | |
b847cbdc JO |
246 | struct list_head *list = *_list; |
247 | ||
248 | if (!list) { | |
249 | list = malloc(sizeof(*list)); | |
250 | if (!list) | |
251 | return -ENOMEM; | |
252 | INIT_LIST_HEAD(list); | |
253 | } | |
89812fc8 JO |
254 | |
255 | event_attr_init(attr); | |
256 | ||
257 | evsel = perf_evsel__new(attr, (*idx)++); | |
b847cbdc JO |
258 | if (!evsel) { |
259 | free(list); | |
89812fc8 | 260 | return -ENOMEM; |
b847cbdc | 261 | } |
89812fc8 | 262 | |
9db1763c ACM |
263 | if (name) |
264 | evsel->name = strdup(name); | |
b847cbdc JO |
265 | list_add_tail(&evsel->node, list); |
266 | *_list = list; | |
89812fc8 JO |
267 | return 0; |
268 | } | |
269 | ||
0b668bc9 | 270 | static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
8326f44d IM |
271 | { |
272 | int i, j; | |
61c45981 | 273 | int n, longest = -1; |
8326f44d IM |
274 | |
275 | for (i = 0; i < size; i++) { | |
0b668bc9 | 276 | for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
61c45981 | 277 | n = strlen(names[i][j]); |
89812fc8 | 278 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
279 | longest = n; |
280 | } | |
89812fc8 | 281 | if (longest > 0) |
61c45981 | 282 | return i; |
8326f44d IM |
283 | } |
284 | ||
8953645f | 285 | return -1; |
8326f44d IM |
286 | } |
287 | ||
b847cbdc | 288 | int parse_events_add_cache(struct list_head **list, int *idx, |
89812fc8 | 289 | char *type, char *op_result1, char *op_result2) |
8326f44d | 290 | { |
89812fc8 JO |
291 | struct perf_event_attr attr; |
292 | char name[MAX_NAME_LEN]; | |
61c45981 | 293 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
294 | char *op_result[2] = { op_result1, op_result2 }; |
295 | int i, n; | |
8326f44d | 296 | |
8326f44d IM |
297 | /* |
298 | * No fallback - if we cannot get a clear cache type | |
299 | * then bail out: | |
300 | */ | |
0b668bc9 | 301 | cache_type = parse_aliases(type, perf_evsel__hw_cache, |
89812fc8 | 302 | PERF_COUNT_HW_CACHE_MAX); |
8326f44d | 303 | if (cache_type == -1) |
89812fc8 JO |
304 | return -EINVAL; |
305 | ||
306 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 307 | |
89812fc8 JO |
308 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
309 | char *str = op_result[i]; | |
310 | ||
311 | snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); | |
61c45981 PM |
312 | |
313 | if (cache_op == -1) { | |
0b668bc9 | 314 | cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
89812fc8 | 315 | PERF_COUNT_HW_CACHE_OP_MAX); |
61c45981 | 316 | if (cache_op >= 0) { |
0b668bc9 | 317 | if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
89812fc8 | 318 | return -EINVAL; |
61c45981 PM |
319 | continue; |
320 | } | |
321 | } | |
322 | ||
323 | if (cache_result == -1) { | |
0b668bc9 ACM |
324 | cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
325 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
61c45981 PM |
326 | if (cache_result >= 0) |
327 | continue; | |
328 | } | |
61c45981 | 329 | } |
8326f44d | 330 | |
8326f44d IM |
331 | /* |
332 | * Fall back to reads: | |
333 | */ | |
8953645f IM |
334 | if (cache_op == -1) |
335 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 336 | |
8326f44d IM |
337 | /* |
338 | * Fall back to accesses: | |
339 | */ | |
340 | if (cache_result == -1) | |
341 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
342 | ||
89812fc8 JO |
343 | memset(&attr, 0, sizeof(attr)); |
344 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
345 | attr.type = PERF_TYPE_HW_CACHE; | |
346 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
347 | } |
348 | ||
b847cbdc | 349 | static int add_tracepoint(struct list_head **list, int *idx, |
89812fc8 | 350 | char *sys_name, char *evt_name) |
bcd3279f | 351 | { |
89812fc8 JO |
352 | struct perf_event_attr attr; |
353 | char name[MAX_NAME_LEN]; | |
bcd3279f FW |
354 | char evt_path[MAXPATHLEN]; |
355 | char id_buf[4]; | |
356 | u64 id; | |
357 | int fd; | |
358 | ||
ebf294bf | 359 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
bcd3279f FW |
360 | sys_name, evt_name); |
361 | ||
362 | fd = open(evt_path, O_RDONLY); | |
363 | if (fd < 0) | |
89812fc8 | 364 | return -1; |
bcd3279f FW |
365 | |
366 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
367 | close(fd); | |
89812fc8 | 368 | return -1; |
bcd3279f FW |
369 | } |
370 | ||
371 | close(fd); | |
372 | id = atoll(id_buf); | |
bcd3279f | 373 | |
89812fc8 JO |
374 | memset(&attr, 0, sizeof(attr)); |
375 | attr.config = id; | |
376 | attr.type = PERF_TYPE_TRACEPOINT; | |
377 | attr.sample_type |= PERF_SAMPLE_RAW; | |
378 | attr.sample_type |= PERF_SAMPLE_TIME; | |
379 | attr.sample_type |= PERF_SAMPLE_CPU; | |
0983cc0d | 380 | attr.sample_type |= PERF_SAMPLE_PERIOD; |
89812fc8 | 381 | attr.sample_period = 1; |
5710fcad | 382 | |
89812fc8 JO |
383 | snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name); |
384 | return add_event(list, idx, &attr, name); | |
8326f44d IM |
385 | } |
386 | ||
b847cbdc | 387 | static int add_tracepoint_multi(struct list_head **list, int *idx, |
89812fc8 | 388 | char *sys_name, char *evt_name) |
bcd3279f FW |
389 | { |
390 | char evt_path[MAXPATHLEN]; | |
391 | struct dirent *evt_ent; | |
392 | DIR *evt_dir; | |
89812fc8 | 393 | int ret = 0; |
bcd3279f | 394 | |
ebf294bf | 395 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 396 | evt_dir = opendir(evt_path); |
bcd3279f FW |
397 | if (!evt_dir) { |
398 | perror("Can't open event dir"); | |
89812fc8 | 399 | return -1; |
bcd3279f FW |
400 | } |
401 | ||
89812fc8 | 402 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
403 | if (!strcmp(evt_ent->d_name, ".") |
404 | || !strcmp(evt_ent->d_name, "..") | |
405 | || !strcmp(evt_ent->d_name, "enable") | |
406 | || !strcmp(evt_ent->d_name, "filter")) | |
407 | continue; | |
408 | ||
89812fc8 | 409 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
410 | continue; |
411 | ||
89812fc8 | 412 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
413 | } |
414 | ||
89812fc8 | 415 | return ret; |
bcd3279f FW |
416 | } |
417 | ||
b847cbdc | 418 | int parse_events_add_tracepoint(struct list_head **list, int *idx, |
89812fc8 | 419 | char *sys, char *event) |
f6bdafef | 420 | { |
89812fc8 | 421 | int ret; |
f6bdafef | 422 | |
89812fc8 JO |
423 | ret = debugfs_valid_mountpoint(tracing_events_path); |
424 | if (ret) | |
425 | return ret; | |
f6bdafef | 426 | |
89812fc8 JO |
427 | return strpbrk(event, "*?") ? |
428 | add_tracepoint_multi(list, idx, sys, event) : | |
429 | add_tracepoint(list, idx, sys, event); | |
f6bdafef JB |
430 | } |
431 | ||
89812fc8 JO |
432 | static int |
433 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
434 | { |
435 | int i; | |
436 | ||
437 | for (i = 0; i < 3; i++) { | |
89812fc8 | 438 | if (!type || !type[i]) |
1b290d67 FW |
439 | break; |
440 | ||
7582732f JO |
441 | #define CHECK_SET_TYPE(bit) \ |
442 | do { \ | |
443 | if (attr->bp_type & bit) \ | |
444 | return -EINVAL; \ | |
445 | else \ | |
446 | attr->bp_type |= bit; \ | |
447 | } while (0) | |
448 | ||
1b290d67 FW |
449 | switch (type[i]) { |
450 | case 'r': | |
7582732f | 451 | CHECK_SET_TYPE(HW_BREAKPOINT_R); |
1b290d67 FW |
452 | break; |
453 | case 'w': | |
7582732f | 454 | CHECK_SET_TYPE(HW_BREAKPOINT_W); |
1b290d67 FW |
455 | break; |
456 | case 'x': | |
7582732f | 457 | CHECK_SET_TYPE(HW_BREAKPOINT_X); |
1b290d67 FW |
458 | break; |
459 | default: | |
89812fc8 | 460 | return -EINVAL; |
1b290d67 FW |
461 | } |
462 | } | |
89812fc8 | 463 | |
7582732f JO |
464 | #undef CHECK_SET_TYPE |
465 | ||
1b290d67 FW |
466 | if (!attr->bp_type) /* Default */ |
467 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
468 | ||
89812fc8 | 469 | return 0; |
1b290d67 FW |
470 | } |
471 | ||
b847cbdc | 472 | int parse_events_add_breakpoint(struct list_head **list, int *idx, |
89812fc8 | 473 | void *ptr, char *type) |
1b290d67 | 474 | { |
89812fc8 | 475 | struct perf_event_attr attr; |
1b290d67 | 476 | |
89812fc8 | 477 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 478 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 479 | |
89812fc8 JO |
480 | if (parse_breakpoint_type(type, &attr)) |
481 | return -EINVAL; | |
1b290d67 | 482 | |
aa59a485 FW |
483 | /* |
484 | * We should find a nice way to override the access length | |
485 | * Provide some defaults for now | |
486 | */ | |
89812fc8 JO |
487 | if (attr.bp_type == HW_BREAKPOINT_X) |
488 | attr.bp_len = sizeof(long); | |
aa59a485 | 489 | else |
89812fc8 | 490 | attr.bp_len = HW_BREAKPOINT_LEN_4; |
61c45981 | 491 | |
89812fc8 | 492 | attr.type = PERF_TYPE_BREAKPOINT; |
4a841d65 | 493 | attr.sample_period = 1; |
b908debd | 494 | |
287e74aa | 495 | return add_event(list, idx, &attr, NULL); |
74d5b588 JSR |
496 | } |
497 | ||
8f707d84 JO |
498 | static int config_term(struct perf_event_attr *attr, |
499 | struct parse_events__term *term) | |
500 | { | |
16fa7e82 JO |
501 | #define CHECK_TYPE_VAL(type) \ |
502 | do { \ | |
503 | if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \ | |
504 | return -EINVAL; \ | |
505 | } while (0) | |
506 | ||
507 | switch (term->type_term) { | |
8f707d84 | 508 | case PARSE_EVENTS__TERM_TYPE_CONFIG: |
16fa7e82 | 509 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
510 | attr->config = term->val.num; |
511 | break; | |
512 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
16fa7e82 | 513 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
514 | attr->config1 = term->val.num; |
515 | break; | |
516 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
16fa7e82 | 517 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
518 | attr->config2 = term->val.num; |
519 | break; | |
520 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
16fa7e82 | 521 | CHECK_TYPE_VAL(NUM); |
8f707d84 JO |
522 | attr->sample_period = term->val.num; |
523 | break; | |
524 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
525 | /* | |
526 | * TODO uncomment when the field is available | |
527 | * attr->branch_sample_type = term->val.num; | |
528 | */ | |
529 | break; | |
6b5fc39b JO |
530 | case PARSE_EVENTS__TERM_TYPE_NAME: |
531 | CHECK_TYPE_VAL(STR); | |
532 | break; | |
8f707d84 JO |
533 | default: |
534 | return -EINVAL; | |
535 | } | |
16fa7e82 | 536 | |
8f707d84 | 537 | return 0; |
16fa7e82 | 538 | #undef CHECK_TYPE_VAL |
8f707d84 JO |
539 | } |
540 | ||
541 | static int config_attr(struct perf_event_attr *attr, | |
542 | struct list_head *head, int fail) | |
543 | { | |
544 | struct parse_events__term *term; | |
545 | ||
546 | list_for_each_entry(term, head, list) | |
547 | if (config_term(attr, term) && fail) | |
548 | return -EINVAL; | |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
b847cbdc | 553 | int parse_events_add_numeric(struct list_head **list, int *idx, |
b527bab5 | 554 | u32 type, u64 config, |
8f707d84 | 555 | struct list_head *head_config) |
8ad8db37 | 556 | { |
89812fc8 | 557 | struct perf_event_attr attr; |
61c45981 | 558 | |
89812fc8 JO |
559 | memset(&attr, 0, sizeof(attr)); |
560 | attr.type = type; | |
561 | attr.config = config; | |
8f707d84 JO |
562 | |
563 | if (head_config && | |
564 | config_attr(&attr, head_config, 1)) | |
565 | return -EINVAL; | |
566 | ||
9db1763c | 567 | return add_event(list, idx, &attr, NULL); |
61c45981 | 568 | } |
8ad8db37 | 569 | |
6b5fc39b JO |
570 | static int parse_events__is_name_term(struct parse_events__term *term) |
571 | { | |
572 | return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; | |
573 | } | |
574 | ||
9db1763c | 575 | static char *pmu_event_name(struct list_head *head_terms) |
6b5fc39b JO |
576 | { |
577 | struct parse_events__term *term; | |
578 | ||
579 | list_for_each_entry(term, head_terms, list) | |
580 | if (parse_events__is_name_term(term)) | |
581 | return term->val.str; | |
582 | ||
9db1763c | 583 | return NULL; |
6b5fc39b JO |
584 | } |
585 | ||
b847cbdc | 586 | int parse_events_add_pmu(struct list_head **list, int *idx, |
5f537a26 JO |
587 | char *name, struct list_head *head_config) |
588 | { | |
589 | struct perf_event_attr attr; | |
590 | struct perf_pmu *pmu; | |
591 | ||
592 | pmu = perf_pmu__find(name); | |
593 | if (!pmu) | |
594 | return -EINVAL; | |
595 | ||
596 | memset(&attr, 0, sizeof(attr)); | |
597 | ||
a6146d50 ZY |
598 | if (perf_pmu__check_alias(pmu, head_config)) |
599 | return -EINVAL; | |
600 | ||
5f537a26 JO |
601 | /* |
602 | * Configure hardcoded terms first, no need to check | |
603 | * return value when called with fail == 0 ;) | |
604 | */ | |
605 | config_attr(&attr, head_config, 0); | |
606 | ||
607 | if (perf_pmu__config(pmu, &attr, head_config)) | |
608 | return -EINVAL; | |
609 | ||
6b5fc39b | 610 | return add_event(list, idx, &attr, |
9db1763c | 611 | pmu_event_name(head_config)); |
5f537a26 JO |
612 | } |
613 | ||
5d7be90e JO |
614 | void parse_events_update_lists(struct list_head *list_event, |
615 | struct list_head *list_all) | |
616 | { | |
617 | /* | |
618 | * Called for single event definition. Update the | |
619 | * 'all event' list, and reinit the 'signle event' | |
620 | * list, for next event definition. | |
621 | */ | |
622 | list_splice_tail(list_event, list_all); | |
b847cbdc | 623 | free(list_event); |
5d7be90e JO |
624 | } |
625 | ||
89812fc8 | 626 | int parse_events_modifier(struct list_head *list, char *str) |
61c45981 | 627 | { |
89812fc8 | 628 | struct perf_evsel *evsel; |
99320cc8 JR |
629 | int exclude = 0, exclude_GH = 0; |
630 | int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; | |
a21ca2ca | 631 | |
89812fc8 | 632 | if (str == NULL) |
a21ca2ca | 633 | return 0; |
ceb53fbf | 634 | |
61c45981 | 635 | while (*str) { |
ab608344 PZ |
636 | if (*str == 'u') { |
637 | if (!exclude) | |
638 | exclude = eu = ek = eh = 1; | |
61c45981 | 639 | eu = 0; |
ab608344 PZ |
640 | } else if (*str == 'k') { |
641 | if (!exclude) | |
642 | exclude = eu = ek = eh = 1; | |
61c45981 | 643 | ek = 0; |
ab608344 PZ |
644 | } else if (*str == 'h') { |
645 | if (!exclude) | |
646 | exclude = eu = ek = eh = 1; | |
61c45981 | 647 | eh = 0; |
99320cc8 JR |
648 | } else if (*str == 'G') { |
649 | if (!exclude_GH) | |
650 | exclude_GH = eG = eH = 1; | |
651 | eG = 0; | |
652 | } else if (*str == 'H') { | |
653 | if (!exclude_GH) | |
654 | exclude_GH = eG = eH = 1; | |
655 | eH = 0; | |
ab608344 PZ |
656 | } else if (*str == 'p') { |
657 | precise++; | |
658 | } else | |
61c45981 | 659 | break; |
ab608344 | 660 | |
61c45981 | 661 | ++str; |
5242519b | 662 | } |
ceb53fbf | 663 | |
89812fc8 JO |
664 | /* |
665 | * precise ip: | |
666 | * | |
667 | * 0 - SAMPLE_IP can have arbitrary skid | |
668 | * 1 - SAMPLE_IP must have constant skid | |
669 | * 2 - SAMPLE_IP requested to have 0 skid | |
670 | * 3 - SAMPLE_IP must have 0 skid | |
671 | * | |
672 | * See also PERF_RECORD_MISC_EXACT_IP | |
673 | */ | |
674 | if (precise > 3) | |
675 | return -EINVAL; | |
ceb53fbf | 676 | |
89812fc8 JO |
677 | list_for_each_entry(evsel, list, node) { |
678 | evsel->attr.exclude_user = eu; | |
679 | evsel->attr.exclude_kernel = ek; | |
680 | evsel->attr.exclude_hv = eh; | |
681 | evsel->attr.precise_ip = precise; | |
682 | evsel->attr.exclude_host = eH; | |
683 | evsel->attr.exclude_guest = eG; | |
684 | } | |
ceb53fbf | 685 | |
61c45981 PM |
686 | return 0; |
687 | } | |
8ad8db37 | 688 | |
90e2b22d | 689 | static int parse_events__scanner(const char *str, void *data, int start_token) |
61c45981 | 690 | { |
89812fc8 | 691 | YY_BUFFER_STATE buffer; |
ac20de6f | 692 | void *scanner; |
46010ab2 | 693 | int ret; |
bcd3279f | 694 | |
90e2b22d | 695 | ret = parse_events_lex_init_extra(start_token, &scanner); |
ac20de6f ZY |
696 | if (ret) |
697 | return ret; | |
698 | ||
699 | buffer = parse_events__scan_string(str, scanner); | |
a21ca2ca | 700 | |
82ba1f2f JO |
701 | #ifdef PARSER_DEBUG |
702 | parse_events_debug = 1; | |
703 | #endif | |
ac20de6f ZY |
704 | ret = parse_events_parse(data, scanner); |
705 | ||
706 | parse_events__flush_buffer(buffer, scanner); | |
707 | parse_events__delete_buffer(buffer, scanner); | |
708 | parse_events_lex_destroy(scanner); | |
709 | return ret; | |
710 | } | |
bcd3279f | 711 | |
90e2b22d JO |
712 | /* |
713 | * parse event config string, return a list of event terms. | |
714 | */ | |
715 | int parse_events_terms(struct list_head *terms, const char *str) | |
716 | { | |
717 | struct parse_events_data__terms data = { | |
718 | .terms = NULL, | |
719 | }; | |
720 | int ret; | |
721 | ||
722 | ret = parse_events__scanner(str, &data, PE_START_TERMS); | |
723 | if (!ret) { | |
724 | list_splice(data.terms, terms); | |
725 | free(data.terms); | |
726 | return 0; | |
727 | } | |
728 | ||
729 | parse_events__free_terms(data.terms); | |
730 | return ret; | |
731 | } | |
732 | ||
ac20de6f ZY |
733 | int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) |
734 | { | |
735 | struct parse_events_data__events data = { | |
736 | .list = LIST_HEAD_INIT(data.list), | |
737 | .idx = evlist->nr_entries, | |
738 | }; | |
739 | int ret; | |
bcd3279f | 740 | |
90e2b22d | 741 | ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
89812fc8 | 742 | if (!ret) { |
46010ab2 JO |
743 | int entries = data.idx - evlist->nr_entries; |
744 | perf_evlist__splice_list_tail(evlist, &data.list, entries); | |
89812fc8 JO |
745 | return 0; |
746 | } | |
bcd3279f | 747 | |
5d7be90e JO |
748 | /* |
749 | * There are 2 users - builtin-record and builtin-test objects. | |
750 | * Both call perf_evlist__delete in case of error, so we dont | |
751 | * need to bother. | |
752 | */ | |
89812fc8 | 753 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); |
85df6f68 | 754 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); |
bcd3279f | 755 | return ret; |
8ad8db37 IM |
756 | } |
757 | ||
f120f9d5 JO |
758 | int parse_events_option(const struct option *opt, const char *str, |
759 | int unset __used) | |
760 | { | |
761 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
762 | return parse_events(evlist, str, unset); | |
763 | } | |
764 | ||
361c99a6 | 765 | int parse_filter(const struct option *opt, const char *str, |
c171b552 LZ |
766 | int unset __used) |
767 | { | |
361c99a6 | 768 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 769 | struct perf_evsel *last = NULL; |
c171b552 | 770 | |
361c99a6 ACM |
771 | if (evlist->nr_entries > 0) |
772 | last = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
69aad6f1 ACM |
773 | |
774 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 LZ |
775 | fprintf(stderr, |
776 | "-F option should follow a -e tracepoint option\n"); | |
777 | return -1; | |
778 | } | |
779 | ||
69aad6f1 ACM |
780 | last->filter = strdup(str); |
781 | if (last->filter == NULL) { | |
c171b552 LZ |
782 | fprintf(stderr, "not enough memory to hold filter string\n"); |
783 | return -1; | |
784 | } | |
c171b552 LZ |
785 | |
786 | return 0; | |
787 | } | |
788 | ||
86847b62 | 789 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
790 | "Hardware event", |
791 | "Software event", | |
792 | "Tracepoint event", | |
793 | "Hardware cache event", | |
41bdcb23 LW |
794 | "Raw hardware event descriptor", |
795 | "Hardware breakpoint", | |
86847b62 TG |
796 | }; |
797 | ||
f6bdafef JB |
798 | /* |
799 | * Print the events from <debugfs_mount_point>/tracing/events | |
800 | */ | |
801 | ||
a3277d2d FW |
802 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
803 | bool name_only) | |
f6bdafef JB |
804 | { |
805 | DIR *sys_dir, *evt_dir; | |
806 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 807 | char evt_path[MAXPATHLEN]; |
725b1368 | 808 | char dir_path[MAXPATHLEN]; |
f6bdafef | 809 | |
ebf294bf | 810 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
811 | return; |
812 | ||
ebf294bf | 813 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 814 | if (!sys_dir) |
725b1368 | 815 | return; |
6b58e7f1 UD |
816 | |
817 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
668b8788 ACM |
818 | if (subsys_glob != NULL && |
819 | !strglobmatch(sys_dirent.d_name, subsys_glob)) | |
820 | continue; | |
725b1368 | 821 | |
ebf294bf | 822 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
823 | sys_dirent.d_name); |
824 | evt_dir = opendir(dir_path); | |
825 | if (!evt_dir) | |
6b58e7f1 | 826 | continue; |
725b1368 | 827 | |
6b58e7f1 | 828 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
668b8788 ACM |
829 | if (event_glob != NULL && |
830 | !strglobmatch(evt_dirent.d_name, event_glob)) | |
831 | continue; | |
832 | ||
a3277d2d FW |
833 | if (name_only) { |
834 | printf("%s:%s ", sys_dirent.d_name, evt_dirent.d_name); | |
835 | continue; | |
836 | } | |
837 | ||
f6bdafef JB |
838 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
839 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 840 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 841 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
842 | } |
843 | closedir(evt_dir); | |
844 | } | |
f6bdafef JB |
845 | closedir(sys_dir); |
846 | } | |
847 | ||
20c457b8 TR |
848 | /* |
849 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
850 | */ | |
851 | ||
852 | int is_valid_tracepoint(const char *event_string) | |
853 | { | |
854 | DIR *sys_dir, *evt_dir; | |
855 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
856 | char evt_path[MAXPATHLEN]; | |
857 | char dir_path[MAXPATHLEN]; | |
858 | ||
ebf294bf | 859 | if (debugfs_valid_mountpoint(tracing_events_path)) |
20c457b8 TR |
860 | return 0; |
861 | ||
ebf294bf | 862 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
863 | if (!sys_dir) |
864 | return 0; | |
865 | ||
866 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
867 | ||
ebf294bf | 868 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
869 | sys_dirent.d_name); |
870 | evt_dir = opendir(dir_path); | |
871 | if (!evt_dir) | |
872 | continue; | |
873 | ||
874 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
875 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
876 | sys_dirent.d_name, evt_dirent.d_name); | |
877 | if (!strcmp(evt_path, event_string)) { | |
878 | closedir(evt_dir); | |
879 | closedir(sys_dir); | |
880 | return 1; | |
881 | } | |
882 | } | |
883 | closedir(evt_dir); | |
884 | } | |
885 | closedir(sys_dir); | |
886 | return 0; | |
887 | } | |
888 | ||
1dc12760 JO |
889 | static void __print_events_type(u8 type, struct event_symbol *syms, |
890 | unsigned max) | |
668b8788 | 891 | { |
668b8788 | 892 | char name[64]; |
1dc12760 | 893 | unsigned i; |
668b8788 | 894 | |
1dc12760 | 895 | for (i = 0; i < max ; i++, syms++) { |
668b8788 ACM |
896 | if (strlen(syms->alias)) |
897 | snprintf(name, sizeof(name), "%s OR %s", | |
898 | syms->symbol, syms->alias); | |
899 | else | |
900 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
901 | ||
947b4ad1 | 902 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
903 | event_type_descriptors[type]); |
904 | } | |
905 | } | |
906 | ||
1dc12760 JO |
907 | void print_events_type(u8 type) |
908 | { | |
909 | if (type == PERF_TYPE_SOFTWARE) | |
910 | __print_events_type(type, event_symbols_sw, PERF_COUNT_SW_MAX); | |
911 | else | |
912 | __print_events_type(type, event_symbols_hw, PERF_COUNT_HW_MAX); | |
913 | } | |
914 | ||
a3277d2d | 915 | int print_hwcache_events(const char *event_glob, bool name_only) |
668b8788 ACM |
916 | { |
917 | unsigned int type, op, i, printed = 0; | |
0b668bc9 | 918 | char name[64]; |
668b8788 ACM |
919 | |
920 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
921 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
922 | /* skip invalid cache type */ | |
0b668bc9 | 923 | if (!perf_evsel__is_cache_op_valid(type, op)) |
668b8788 ACM |
924 | continue; |
925 | ||
926 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
0b668bc9 ACM |
927 | __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
928 | name, sizeof(name)); | |
947b4ad1 | 929 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
930 | continue; |
931 | ||
a3277d2d FW |
932 | if (name_only) |
933 | printf("%s ", name); | |
934 | else | |
935 | printf(" %-50s [%s]\n", name, | |
936 | event_type_descriptors[PERF_TYPE_HW_CACHE]); | |
668b8788 ACM |
937 | ++printed; |
938 | } | |
939 | } | |
940 | } | |
941 | ||
942 | return printed; | |
943 | } | |
944 | ||
1dc12760 | 945 | static void print_symbol_events(const char *event_glob, unsigned type, |
a3277d2d FW |
946 | struct event_symbol *syms, unsigned max, |
947 | bool name_only) | |
8ad8db37 | 948 | { |
1dc12760 | 949 | unsigned i, printed = 0; |
947b4ad1 | 950 | char name[MAX_NAME_LEN]; |
8ad8db37 | 951 | |
1dc12760 | 952 | for (i = 0; i < max; i++, syms++) { |
668b8788 ACM |
953 | |
954 | if (event_glob != NULL && | |
955 | !(strglobmatch(syms->symbol, event_glob) || | |
956 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
957 | continue; | |
8ad8db37 | 958 | |
a3277d2d FW |
959 | if (name_only) { |
960 | printf("%s ", syms->symbol); | |
961 | continue; | |
962 | } | |
963 | ||
74d5b588 | 964 | if (strlen(syms->alias)) |
947b4ad1 | 965 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 966 | else |
947b4ad1 | 967 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
8ad8db37 | 968 | |
1dc12760 JO |
969 | printf(" %-50s [%s]\n", name, event_type_descriptors[type]); |
970 | ||
971 | printed++; | |
8ad8db37 IM |
972 | } |
973 | ||
1dc12760 | 974 | if (printed) |
668b8788 | 975 | printf("\n"); |
1dc12760 JO |
976 | } |
977 | ||
978 | /* | |
979 | * Print the help text for the event symbols: | |
980 | */ | |
a3277d2d | 981 | void print_events(const char *event_glob, bool name_only) |
1dc12760 | 982 | { |
a3277d2d FW |
983 | if (!name_only) { |
984 | printf("\n"); | |
985 | printf("List of pre-defined events (to be used in -e):\n"); | |
986 | } | |
1dc12760 JO |
987 | |
988 | print_symbol_events(event_glob, PERF_TYPE_HARDWARE, | |
a3277d2d | 989 | event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
1dc12760 JO |
990 | |
991 | print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, | |
a3277d2d | 992 | event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
1dc12760 | 993 | |
a3277d2d | 994 | print_hwcache_events(event_glob, name_only); |
668b8788 ACM |
995 | |
996 | if (event_glob != NULL) | |
997 | return; | |
73c24cb8 | 998 | |
a3277d2d FW |
999 | if (!name_only) { |
1000 | printf("\n"); | |
1001 | printf(" %-50s [%s]\n", | |
1002 | "rNNN", | |
1003 | event_type_descriptors[PERF_TYPE_RAW]); | |
1004 | printf(" %-50s [%s]\n", | |
1005 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1006 | event_type_descriptors[PERF_TYPE_RAW]); | |
1007 | printf(" (see 'perf list --help' on how to encode it)\n"); | |
1008 | printf("\n"); | |
1009 | ||
1010 | printf(" %-50s [%s]\n", | |
1011 | "mem:<addr>[:access]", | |
41bdcb23 | 1012 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
a3277d2d FW |
1013 | printf("\n"); |
1014 | } | |
1b290d67 | 1015 | |
a3277d2d | 1016 | print_tracepoint_events(NULL, NULL, name_only); |
8ad8db37 | 1017 | } |
8f707d84 JO |
1018 | |
1019 | int parse_events__is_hardcoded_term(struct parse_events__term *term) | |
1020 | { | |
16fa7e82 | 1021 | return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
8f707d84 JO |
1022 | } |
1023 | ||
16fa7e82 JO |
1024 | static int new_term(struct parse_events__term **_term, int type_val, |
1025 | int type_term, char *config, | |
b527bab5 | 1026 | char *str, u64 num) |
8f707d84 JO |
1027 | { |
1028 | struct parse_events__term *term; | |
1029 | ||
1030 | term = zalloc(sizeof(*term)); | |
1031 | if (!term) | |
1032 | return -ENOMEM; | |
1033 | ||
1034 | INIT_LIST_HEAD(&term->list); | |
16fa7e82 JO |
1035 | term->type_val = type_val; |
1036 | term->type_term = type_term; | |
8f707d84 JO |
1037 | term->config = config; |
1038 | ||
16fa7e82 | 1039 | switch (type_val) { |
8f707d84 JO |
1040 | case PARSE_EVENTS__TERM_TYPE_NUM: |
1041 | term->val.num = num; | |
1042 | break; | |
1043 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1044 | term->val.str = str; | |
1045 | break; | |
1046 | default: | |
1047 | return -EINVAL; | |
1048 | } | |
1049 | ||
1050 | *_term = term; | |
1051 | return 0; | |
1052 | } | |
1053 | ||
16fa7e82 | 1054 | int parse_events__term_num(struct parse_events__term **term, |
b527bab5 | 1055 | int type_term, char *config, u64 num) |
16fa7e82 JO |
1056 | { |
1057 | return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, | |
1058 | config, NULL, num); | |
1059 | } | |
1060 | ||
1061 | int parse_events__term_str(struct parse_events__term **term, | |
1062 | int type_term, char *config, char *str) | |
1063 | { | |
1064 | return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, | |
1065 | config, str, 0); | |
1066 | } | |
1067 | ||
a6146d50 ZY |
1068 | int parse_events__term_clone(struct parse_events__term **new, |
1069 | struct parse_events__term *term) | |
1070 | { | |
1071 | return new_term(new, term->type_val, term->type_term, term->config, | |
1072 | term->val.str, term->val.num); | |
1073 | } | |
1074 | ||
8f707d84 JO |
1075 | void parse_events__free_terms(struct list_head *terms) |
1076 | { | |
1077 | struct parse_events__term *term, *h; | |
1078 | ||
1079 | list_for_each_entry_safe(term, h, terms, list) | |
1080 | free(term); | |
1081 | ||
1082 | free(terms); | |
1083 | } |