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" |
89812fc8 JO |
14 | #include "parse-events-flex.h" |
15 | ||
16 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 17 | |
8ad8db37 | 18 | struct event_symbol { |
83a0944f IM |
19 | u8 type; |
20 | u64 config; | |
21 | const char *symbol; | |
22 | const char *alias; | |
8ad8db37 IM |
23 | }; |
24 | ||
89812fc8 | 25 | int parse_events_parse(struct list_head *list, int *idx); |
bcd3279f | 26 | |
51e26842 JSR |
27 | #define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x |
28 | #define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x | |
a21ca2ca | 29 | |
8ad8db37 | 30 | static struct event_symbol event_symbols[] = { |
129c04cb IM |
31 | { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, |
32 | { CHW(STALLED_CYCLES_FRONTEND), "stalled-cycles-frontend", "idle-cycles-frontend" }, | |
33 | { CHW(STALLED_CYCLES_BACKEND), "stalled-cycles-backend", "idle-cycles-backend" }, | |
34 | { CHW(INSTRUCTIONS), "instructions", "" }, | |
35 | { CHW(CACHE_REFERENCES), "cache-references", "" }, | |
36 | { CHW(CACHE_MISSES), "cache-misses", "" }, | |
37 | { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, | |
38 | { CHW(BRANCH_MISSES), "branch-misses", "" }, | |
39 | { CHW(BUS_CYCLES), "bus-cycles", "" }, | |
f1ac18af | 40 | { CHW(REF_CPU_CYCLES), "ref-cycles", "" }, |
129c04cb IM |
41 | |
42 | { CSW(CPU_CLOCK), "cpu-clock", "" }, | |
43 | { CSW(TASK_CLOCK), "task-clock", "" }, | |
44 | { CSW(PAGE_FAULTS), "page-faults", "faults" }, | |
45 | { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, | |
46 | { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, | |
47 | { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, | |
48 | { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, | |
49 | { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" }, | |
50 | { CSW(EMULATION_FAULTS), "emulation-faults", "" }, | |
8ad8db37 IM |
51 | }; |
52 | ||
cdd6c482 IM |
53 | #define __PERF_EVENT_FIELD(config, name) \ |
54 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 55 | |
1fc570ad | 56 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 57 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 58 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 59 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 60 | |
d3d1e86d | 61 | static const char *hw_event_names[PERF_COUNT_HW_MAX] = { |
8faf3b54 | 62 | "cycles", |
5242519b | 63 | "instructions", |
8faf3b54 IM |
64 | "cache-references", |
65 | "cache-misses", | |
5242519b | 66 | "branches", |
8faf3b54 IM |
67 | "branch-misses", |
68 | "bus-cycles", | |
d3d1e86d IM |
69 | "stalled-cycles-frontend", |
70 | "stalled-cycles-backend", | |
f1ac18af | 71 | "ref-cycles", |
5242519b IM |
72 | }; |
73 | ||
d3d1e86d | 74 | static const char *sw_event_names[PERF_COUNT_SW_MAX] = { |
749141d9 IM |
75 | "cpu-clock", |
76 | "task-clock", | |
8faf3b54 IM |
77 | "page-faults", |
78 | "context-switches", | |
79 | "CPU-migrations", | |
80 | "minor-faults", | |
81 | "major-faults", | |
f7d79860 AB |
82 | "alignment-faults", |
83 | "emulation-faults", | |
5242519b IM |
84 | }; |
85 | ||
8326f44d IM |
86 | #define MAX_ALIASES 8 |
87 | ||
0111919d | 88 | static const char *hw_cache[PERF_COUNT_HW_CACHE_MAX][MAX_ALIASES] = { |
9590b7ba AB |
89 | { "L1-dcache", "l1-d", "l1d", "L1-data", }, |
90 | { "L1-icache", "l1-i", "l1i", "L1-instruction", }, | |
0111919d | 91 | { "LLC", "L2", }, |
e5c59547 JSR |
92 | { "dTLB", "d-tlb", "Data-TLB", }, |
93 | { "iTLB", "i-tlb", "Instruction-TLB", }, | |
94 | { "branch", "branches", "bpu", "btb", "bpc", }, | |
0111919d | 95 | { "node", }, |
8326f44d IM |
96 | }; |
97 | ||
0111919d | 98 | static const char *hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][MAX_ALIASES] = { |
e5c59547 JSR |
99 | { "load", "loads", "read", }, |
100 | { "store", "stores", "write", }, | |
101 | { "prefetch", "prefetches", "speculative-read", "speculative-load", }, | |
8326f44d IM |
102 | }; |
103 | ||
0111919d JO |
104 | static const char *hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] |
105 | [MAX_ALIASES] = { | |
e5c59547 JSR |
106 | { "refs", "Reference", "ops", "access", }, |
107 | { "misses", "miss", }, | |
8326f44d IM |
108 | }; |
109 | ||
06813f6c JSR |
110 | #define C(x) PERF_COUNT_HW_CACHE_##x |
111 | #define CACHE_READ (1 << C(OP_READ)) | |
112 | #define CACHE_WRITE (1 << C(OP_WRITE)) | |
113 | #define CACHE_PREFETCH (1 << C(OP_PREFETCH)) | |
114 | #define COP(x) (1 << x) | |
115 | ||
116 | /* | |
117 | * cache operartion stat | |
118 | * L1I : Read and prefetch only | |
119 | * ITLB and BPU : Read-only | |
120 | */ | |
121 | static unsigned long hw_cache_stat[C(MAX)] = { | |
122 | [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
123 | [C(L1I)] = (CACHE_READ | CACHE_PREFETCH), | |
124 | [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
125 | [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
126 | [C(ITLB)] = (CACHE_READ), | |
127 | [C(BPU)] = (CACHE_READ), | |
0111919d | 128 | [C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), |
06813f6c JSR |
129 | }; |
130 | ||
6b58e7f1 | 131 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 132 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 133 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
134 | (strcmp(sys_dirent.d_name, ".")) && \ |
135 | (strcmp(sys_dirent.d_name, ".."))) | |
136 | ||
ae07b63f PZ |
137 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
138 | { | |
139 | char evt_path[MAXPATHLEN]; | |
140 | int fd; | |
141 | ||
ebf294bf | 142 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
143 | sys_dir->d_name, evt_dir->d_name); |
144 | fd = open(evt_path, O_RDONLY); | |
145 | if (fd < 0) | |
146 | return -EINVAL; | |
147 | close(fd); | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
6b58e7f1 | 152 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 153 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 154 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 155 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
156 | (strcmp(evt_dirent.d_name, "..")) && \ |
157 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 158 | |
270bbbe8 | 159 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 160 | |
f6bdafef | 161 | |
1ef2ed10 | 162 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 163 | { |
1ef2ed10 | 164 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
165 | DIR *sys_dir, *evt_dir; |
166 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 167 | char id_buf[4]; |
725b1368 | 168 | int fd; |
f6bdafef JB |
169 | u64 id; |
170 | char evt_path[MAXPATHLEN]; | |
725b1368 | 171 | char dir_path[MAXPATHLEN]; |
f6bdafef | 172 | |
ebf294bf | 173 | if (debugfs_valid_mountpoint(tracing_events_path)) |
1ef2ed10 | 174 | return NULL; |
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) { | |
212 | free(path->system); | |
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 | ||
230 | #define TP_PATH_LEN (MAX_EVENT_LENGTH * 2 + 1) | |
231 | static const char *tracepoint_id_to_name(u64 config) | |
232 | { | |
233 | static char buf[TP_PATH_LEN]; | |
234 | struct tracepoint_path *path; | |
235 | ||
236 | path = tracepoint_id_to_path(config); | |
237 | if (path) { | |
238 | snprintf(buf, TP_PATH_LEN, "%s:%s", path->system, path->name); | |
239 | free(path->name); | |
240 | free(path->system); | |
241 | free(path); | |
242 | } else | |
243 | snprintf(buf, TP_PATH_LEN, "%s:%s", "unknown", "unknown"); | |
244 | ||
245 | return buf; | |
f6bdafef JB |
246 | } |
247 | ||
06813f6c JSR |
248 | static int is_cache_op_valid(u8 cache_type, u8 cache_op) |
249 | { | |
250 | if (hw_cache_stat[cache_type] & COP(cache_op)) | |
251 | return 1; /* valid */ | |
252 | else | |
253 | return 0; /* invalid */ | |
254 | } | |
255 | ||
e5c59547 JSR |
256 | static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result) |
257 | { | |
258 | static char name[50]; | |
259 | ||
260 | if (cache_result) { | |
261 | sprintf(name, "%s-%s-%s", hw_cache[cache_type][0], | |
262 | hw_cache_op[cache_op][0], | |
263 | hw_cache_result[cache_result][0]); | |
264 | } else { | |
265 | sprintf(name, "%s-%s", hw_cache[cache_type][0], | |
266 | hw_cache_op[cache_op][1]); | |
267 | } | |
268 | ||
269 | return name; | |
270 | } | |
271 | ||
1424dc96 DA |
272 | const char *event_type(int type) |
273 | { | |
274 | switch (type) { | |
275 | case PERF_TYPE_HARDWARE: | |
276 | return "hardware"; | |
277 | ||
278 | case PERF_TYPE_SOFTWARE: | |
279 | return "software"; | |
280 | ||
281 | case PERF_TYPE_TRACEPOINT: | |
282 | return "tracepoint"; | |
283 | ||
284 | case PERF_TYPE_HW_CACHE: | |
285 | return "hardware-cache"; | |
286 | ||
287 | default: | |
288 | break; | |
289 | } | |
290 | ||
291 | return "unknown"; | |
292 | } | |
293 | ||
69aad6f1 | 294 | const char *event_name(struct perf_evsel *evsel) |
5242519b | 295 | { |
69aad6f1 ACM |
296 | u64 config = evsel->attr.config; |
297 | int type = evsel->attr.type; | |
8f18aec5 | 298 | |
f0c55bcf SE |
299 | if (evsel->name) |
300 | return evsel->name; | |
301 | ||
8f18aec5 PZ |
302 | return __event_name(type, config); |
303 | } | |
304 | ||
83a0944f | 305 | const char *__event_name(int type, u64 config) |
8f18aec5 | 306 | { |
5242519b IM |
307 | static char buf[32]; |
308 | ||
8f18aec5 | 309 | if (type == PERF_TYPE_RAW) { |
9486aa38 | 310 | sprintf(buf, "raw 0x%" PRIx64, config); |
5242519b IM |
311 | return buf; |
312 | } | |
313 | ||
314 | switch (type) { | |
315 | case PERF_TYPE_HARDWARE: | |
1fc570ad | 316 | if (config < PERF_COUNT_HW_MAX && hw_event_names[config]) |
a21ca2ca | 317 | return hw_event_names[config]; |
5242519b IM |
318 | return "unknown-hardware"; |
319 | ||
8326f44d | 320 | case PERF_TYPE_HW_CACHE: { |
9cffa8d5 | 321 | u8 cache_type, cache_op, cache_result; |
8326f44d IM |
322 | |
323 | cache_type = (config >> 0) & 0xff; | |
324 | if (cache_type > PERF_COUNT_HW_CACHE_MAX) | |
325 | return "unknown-ext-hardware-cache-type"; | |
326 | ||
327 | cache_op = (config >> 8) & 0xff; | |
8faf3b54 IM |
328 | if (cache_op > PERF_COUNT_HW_CACHE_OP_MAX) |
329 | return "unknown-ext-hardware-cache-op"; | |
8326f44d IM |
330 | |
331 | cache_result = (config >> 16) & 0xff; | |
8faf3b54 IM |
332 | if (cache_result > PERF_COUNT_HW_CACHE_RESULT_MAX) |
333 | return "unknown-ext-hardware-cache-result"; | |
8326f44d | 334 | |
06813f6c JSR |
335 | if (!is_cache_op_valid(cache_type, cache_op)) |
336 | return "invalid-cache"; | |
8326f44d | 337 | |
e5c59547 | 338 | return event_cache_name(cache_type, cache_op, cache_result); |
8326f44d IM |
339 | } |
340 | ||
5242519b | 341 | case PERF_TYPE_SOFTWARE: |
1fc570ad | 342 | if (config < PERF_COUNT_SW_MAX && sw_event_names[config]) |
a21ca2ca | 343 | return sw_event_names[config]; |
5242519b IM |
344 | return "unknown-software"; |
345 | ||
f6bdafef JB |
346 | case PERF_TYPE_TRACEPOINT: |
347 | return tracepoint_id_to_name(config); | |
348 | ||
5242519b IM |
349 | default: |
350 | break; | |
351 | } | |
352 | ||
353 | return "unknown"; | |
354 | } | |
355 | ||
89812fc8 JO |
356 | static int add_event(struct list_head *list, int *idx, |
357 | struct perf_event_attr *attr, char *name) | |
358 | { | |
359 | struct perf_evsel *evsel; | |
360 | ||
361 | event_attr_init(attr); | |
362 | ||
363 | evsel = perf_evsel__new(attr, (*idx)++); | |
364 | if (!evsel) | |
365 | return -ENOMEM; | |
366 | ||
367 | list_add_tail(&evsel->node, list); | |
368 | ||
369 | evsel->name = strdup(name); | |
370 | return 0; | |
371 | } | |
372 | ||
373 | static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size) | |
8326f44d IM |
374 | { |
375 | int i, j; | |
61c45981 | 376 | int n, longest = -1; |
8326f44d IM |
377 | |
378 | for (i = 0; i < size; i++) { | |
61c45981 PM |
379 | for (j = 0; j < MAX_ALIASES && names[i][j]; j++) { |
380 | n = strlen(names[i][j]); | |
89812fc8 | 381 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
382 | longest = n; |
383 | } | |
89812fc8 | 384 | if (longest > 0) |
61c45981 | 385 | return i; |
8326f44d IM |
386 | } |
387 | ||
8953645f | 388 | return -1; |
8326f44d IM |
389 | } |
390 | ||
89812fc8 JO |
391 | int parse_events_add_cache(struct list_head *list, int *idx, |
392 | char *type, char *op_result1, char *op_result2) | |
8326f44d | 393 | { |
89812fc8 JO |
394 | struct perf_event_attr attr; |
395 | char name[MAX_NAME_LEN]; | |
61c45981 | 396 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
397 | char *op_result[2] = { op_result1, op_result2 }; |
398 | int i, n; | |
8326f44d | 399 | |
8326f44d IM |
400 | /* |
401 | * No fallback - if we cannot get a clear cache type | |
402 | * then bail out: | |
403 | */ | |
89812fc8 JO |
404 | cache_type = parse_aliases(type, hw_cache, |
405 | PERF_COUNT_HW_CACHE_MAX); | |
8326f44d | 406 | if (cache_type == -1) |
89812fc8 JO |
407 | return -EINVAL; |
408 | ||
409 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 410 | |
89812fc8 JO |
411 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
412 | char *str = op_result[i]; | |
413 | ||
414 | snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); | |
61c45981 PM |
415 | |
416 | if (cache_op == -1) { | |
89812fc8 JO |
417 | cache_op = parse_aliases(str, hw_cache_op, |
418 | PERF_COUNT_HW_CACHE_OP_MAX); | |
61c45981 PM |
419 | if (cache_op >= 0) { |
420 | if (!is_cache_op_valid(cache_type, cache_op)) | |
89812fc8 | 421 | return -EINVAL; |
61c45981 PM |
422 | continue; |
423 | } | |
424 | } | |
425 | ||
426 | if (cache_result == -1) { | |
89812fc8 | 427 | cache_result = parse_aliases(str, hw_cache_result, |
61c45981 PM |
428 | PERF_COUNT_HW_CACHE_RESULT_MAX); |
429 | if (cache_result >= 0) | |
430 | continue; | |
431 | } | |
61c45981 | 432 | } |
8326f44d | 433 | |
8326f44d IM |
434 | /* |
435 | * Fall back to reads: | |
436 | */ | |
8953645f IM |
437 | if (cache_op == -1) |
438 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 439 | |
8326f44d IM |
440 | /* |
441 | * Fall back to accesses: | |
442 | */ | |
443 | if (cache_result == -1) | |
444 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
445 | ||
89812fc8 JO |
446 | memset(&attr, 0, sizeof(attr)); |
447 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
448 | attr.type = PERF_TYPE_HW_CACHE; | |
449 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
450 | } |
451 | ||
89812fc8 JO |
452 | static int add_tracepoint(struct list_head *list, int *idx, |
453 | char *sys_name, char *evt_name) | |
bcd3279f | 454 | { |
89812fc8 JO |
455 | struct perf_event_attr attr; |
456 | char name[MAX_NAME_LEN]; | |
bcd3279f FW |
457 | char evt_path[MAXPATHLEN]; |
458 | char id_buf[4]; | |
459 | u64 id; | |
460 | int fd; | |
461 | ||
ebf294bf | 462 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
bcd3279f FW |
463 | sys_name, evt_name); |
464 | ||
465 | fd = open(evt_path, O_RDONLY); | |
466 | if (fd < 0) | |
89812fc8 | 467 | return -1; |
bcd3279f FW |
468 | |
469 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
470 | close(fd); | |
89812fc8 | 471 | return -1; |
bcd3279f FW |
472 | } |
473 | ||
474 | close(fd); | |
475 | id = atoll(id_buf); | |
bcd3279f | 476 | |
89812fc8 JO |
477 | memset(&attr, 0, sizeof(attr)); |
478 | attr.config = id; | |
479 | attr.type = PERF_TYPE_TRACEPOINT; | |
480 | attr.sample_type |= PERF_SAMPLE_RAW; | |
481 | attr.sample_type |= PERF_SAMPLE_TIME; | |
482 | attr.sample_type |= PERF_SAMPLE_CPU; | |
483 | attr.sample_period = 1; | |
5710fcad | 484 | |
89812fc8 JO |
485 | snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name); |
486 | return add_event(list, idx, &attr, name); | |
8326f44d IM |
487 | } |
488 | ||
89812fc8 JO |
489 | static int add_tracepoint_multi(struct list_head *list, int *idx, |
490 | char *sys_name, char *evt_name) | |
bcd3279f FW |
491 | { |
492 | char evt_path[MAXPATHLEN]; | |
493 | struct dirent *evt_ent; | |
494 | DIR *evt_dir; | |
89812fc8 | 495 | int ret = 0; |
bcd3279f | 496 | |
ebf294bf | 497 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 498 | evt_dir = opendir(evt_path); |
bcd3279f FW |
499 | if (!evt_dir) { |
500 | perror("Can't open event dir"); | |
89812fc8 | 501 | return -1; |
bcd3279f FW |
502 | } |
503 | ||
89812fc8 | 504 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
505 | if (!strcmp(evt_ent->d_name, ".") |
506 | || !strcmp(evt_ent->d_name, "..") | |
507 | || !strcmp(evt_ent->d_name, "enable") | |
508 | || !strcmp(evt_ent->d_name, "filter")) | |
509 | continue; | |
510 | ||
89812fc8 | 511 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
512 | continue; |
513 | ||
89812fc8 | 514 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
515 | } |
516 | ||
89812fc8 | 517 | return ret; |
bcd3279f FW |
518 | } |
519 | ||
89812fc8 JO |
520 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
521 | char *sys, char *event) | |
f6bdafef | 522 | { |
89812fc8 | 523 | int ret; |
f6bdafef | 524 | |
89812fc8 JO |
525 | ret = debugfs_valid_mountpoint(tracing_events_path); |
526 | if (ret) | |
527 | return ret; | |
f6bdafef | 528 | |
89812fc8 JO |
529 | return strpbrk(event, "*?") ? |
530 | add_tracepoint_multi(list, idx, sys, event) : | |
531 | add_tracepoint(list, idx, sys, event); | |
f6bdafef JB |
532 | } |
533 | ||
89812fc8 JO |
534 | static int |
535 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
536 | { |
537 | int i; | |
538 | ||
539 | for (i = 0; i < 3; i++) { | |
89812fc8 | 540 | if (!type || !type[i]) |
1b290d67 FW |
541 | break; |
542 | ||
543 | switch (type[i]) { | |
544 | case 'r': | |
545 | attr->bp_type |= HW_BREAKPOINT_R; | |
546 | break; | |
547 | case 'w': | |
548 | attr->bp_type |= HW_BREAKPOINT_W; | |
549 | break; | |
550 | case 'x': | |
551 | attr->bp_type |= HW_BREAKPOINT_X; | |
552 | break; | |
553 | default: | |
89812fc8 | 554 | return -EINVAL; |
1b290d67 FW |
555 | } |
556 | } | |
89812fc8 | 557 | |
1b290d67 FW |
558 | if (!attr->bp_type) /* Default */ |
559 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
560 | ||
89812fc8 | 561 | return 0; |
1b290d67 FW |
562 | } |
563 | ||
89812fc8 JO |
564 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
565 | void *ptr, char *type) | |
1b290d67 | 566 | { |
89812fc8 JO |
567 | struct perf_event_attr attr; |
568 | char name[MAX_NAME_LEN]; | |
1b290d67 | 569 | |
89812fc8 JO |
570 | memset(&attr, 0, sizeof(attr)); |
571 | attr.bp_addr = (u64) ptr; | |
1b290d67 | 572 | |
89812fc8 JO |
573 | if (parse_breakpoint_type(type, &attr)) |
574 | return -EINVAL; | |
1b290d67 | 575 | |
aa59a485 FW |
576 | /* |
577 | * We should find a nice way to override the access length | |
578 | * Provide some defaults for now | |
579 | */ | |
89812fc8 JO |
580 | if (attr.bp_type == HW_BREAKPOINT_X) |
581 | attr.bp_len = sizeof(long); | |
aa59a485 | 582 | else |
89812fc8 | 583 | attr.bp_len = HW_BREAKPOINT_LEN_4; |
61c45981 | 584 | |
89812fc8 | 585 | attr.type = PERF_TYPE_BREAKPOINT; |
b908debd | 586 | |
89812fc8 JO |
587 | snprintf(name, MAX_NAME_LEN, "mem:%p:%s", ptr, type ? type : "rw"); |
588 | return add_event(list, idx, &attr, name); | |
74d5b588 JSR |
589 | } |
590 | ||
8f707d84 JO |
591 | static int config_term(struct perf_event_attr *attr, |
592 | struct parse_events__term *term) | |
593 | { | |
594 | switch (term->type) { | |
595 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
596 | attr->config = term->val.num; | |
597 | break; | |
598 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
599 | attr->config1 = term->val.num; | |
600 | break; | |
601 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
602 | attr->config2 = term->val.num; | |
603 | break; | |
604 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
605 | attr->sample_period = term->val.num; | |
606 | break; | |
607 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
608 | /* | |
609 | * TODO uncomment when the field is available | |
610 | * attr->branch_sample_type = term->val.num; | |
611 | */ | |
612 | break; | |
613 | default: | |
614 | return -EINVAL; | |
615 | } | |
616 | return 0; | |
617 | } | |
618 | ||
619 | static int config_attr(struct perf_event_attr *attr, | |
620 | struct list_head *head, int fail) | |
621 | { | |
622 | struct parse_events__term *term; | |
623 | ||
624 | list_for_each_entry(term, head, list) | |
625 | if (config_term(attr, term) && fail) | |
626 | return -EINVAL; | |
627 | ||
628 | return 0; | |
629 | } | |
630 | ||
631 | int parse_events_add_numeric(struct list_head *list, int *idx, | |
632 | unsigned long type, unsigned long config, | |
633 | struct list_head *head_config) | |
8ad8db37 | 634 | { |
89812fc8 | 635 | struct perf_event_attr attr; |
61c45981 | 636 | |
89812fc8 JO |
637 | memset(&attr, 0, sizeof(attr)); |
638 | attr.type = type; | |
639 | attr.config = config; | |
8f707d84 JO |
640 | |
641 | if (head_config && | |
642 | config_attr(&attr, head_config, 1)) | |
643 | return -EINVAL; | |
644 | ||
89812fc8 JO |
645 | return add_event(list, idx, &attr, |
646 | (char *) __event_name(type, config)); | |
61c45981 | 647 | } |
8ad8db37 | 648 | |
89812fc8 | 649 | int parse_events_modifier(struct list_head *list, char *str) |
61c45981 | 650 | { |
89812fc8 | 651 | struct perf_evsel *evsel; |
99320cc8 JR |
652 | int exclude = 0, exclude_GH = 0; |
653 | int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; | |
a21ca2ca | 654 | |
89812fc8 | 655 | if (str == NULL) |
a21ca2ca | 656 | return 0; |
ceb53fbf | 657 | |
61c45981 | 658 | while (*str) { |
ab608344 PZ |
659 | if (*str == 'u') { |
660 | if (!exclude) | |
661 | exclude = eu = ek = eh = 1; | |
61c45981 | 662 | eu = 0; |
ab608344 PZ |
663 | } else if (*str == 'k') { |
664 | if (!exclude) | |
665 | exclude = eu = ek = eh = 1; | |
61c45981 | 666 | ek = 0; |
ab608344 PZ |
667 | } else if (*str == 'h') { |
668 | if (!exclude) | |
669 | exclude = eu = ek = eh = 1; | |
61c45981 | 670 | eh = 0; |
99320cc8 JR |
671 | } else if (*str == 'G') { |
672 | if (!exclude_GH) | |
673 | exclude_GH = eG = eH = 1; | |
674 | eG = 0; | |
675 | } else if (*str == 'H') { | |
676 | if (!exclude_GH) | |
677 | exclude_GH = eG = eH = 1; | |
678 | eH = 0; | |
ab608344 PZ |
679 | } else if (*str == 'p') { |
680 | precise++; | |
681 | } else | |
61c45981 | 682 | break; |
ab608344 | 683 | |
61c45981 | 684 | ++str; |
5242519b | 685 | } |
ceb53fbf | 686 | |
89812fc8 JO |
687 | /* |
688 | * precise ip: | |
689 | * | |
690 | * 0 - SAMPLE_IP can have arbitrary skid | |
691 | * 1 - SAMPLE_IP must have constant skid | |
692 | * 2 - SAMPLE_IP requested to have 0 skid | |
693 | * 3 - SAMPLE_IP must have 0 skid | |
694 | * | |
695 | * See also PERF_RECORD_MISC_EXACT_IP | |
696 | */ | |
697 | if (precise > 3) | |
698 | return -EINVAL; | |
ceb53fbf | 699 | |
89812fc8 JO |
700 | list_for_each_entry(evsel, list, node) { |
701 | evsel->attr.exclude_user = eu; | |
702 | evsel->attr.exclude_kernel = ek; | |
703 | evsel->attr.exclude_hv = eh; | |
704 | evsel->attr.precise_ip = precise; | |
705 | evsel->attr.exclude_host = eH; | |
706 | evsel->attr.exclude_guest = eG; | |
707 | } | |
ceb53fbf | 708 | |
61c45981 PM |
709 | return 0; |
710 | } | |
8ad8db37 | 711 | |
89812fc8 | 712 | int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) |
61c45981 | 713 | { |
89812fc8 JO |
714 | struct perf_evsel *evsel, *h; |
715 | LIST_HEAD(list); | |
716 | YY_BUFFER_STATE buffer; | |
717 | int ret, idx = evlist->nr_entries; | |
bcd3279f | 718 | |
89812fc8 | 719 | buffer = parse_events__scan_string(str); |
a21ca2ca | 720 | |
89812fc8 | 721 | ret = parse_events_parse(&list, &idx); |
bcd3279f | 722 | |
89812fc8 JO |
723 | parse_events__flush_buffer(buffer); |
724 | parse_events__delete_buffer(buffer); | |
bcd3279f | 725 | |
89812fc8 JO |
726 | if (!ret) { |
727 | int entries = idx - evlist->nr_entries; | |
728 | perf_evlist__splice_list_tail(evlist, &list, entries); | |
729 | return 0; | |
730 | } | |
bcd3279f | 731 | |
89812fc8 JO |
732 | list_for_each_entry_safe(evsel, h, &list, node) |
733 | perf_evsel__delete(evsel); | |
1b290d67 | 734 | |
89812fc8 | 735 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); |
85df6f68 | 736 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); |
bcd3279f | 737 | return ret; |
8ad8db37 IM |
738 | } |
739 | ||
f120f9d5 JO |
740 | int parse_events_option(const struct option *opt, const char *str, |
741 | int unset __used) | |
742 | { | |
743 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
744 | return parse_events(evlist, str, unset); | |
745 | } | |
746 | ||
361c99a6 | 747 | int parse_filter(const struct option *opt, const char *str, |
c171b552 LZ |
748 | int unset __used) |
749 | { | |
361c99a6 | 750 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 751 | struct perf_evsel *last = NULL; |
c171b552 | 752 | |
361c99a6 ACM |
753 | if (evlist->nr_entries > 0) |
754 | last = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
69aad6f1 ACM |
755 | |
756 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 LZ |
757 | fprintf(stderr, |
758 | "-F option should follow a -e tracepoint option\n"); | |
759 | return -1; | |
760 | } | |
761 | ||
69aad6f1 ACM |
762 | last->filter = strdup(str); |
763 | if (last->filter == NULL) { | |
c171b552 LZ |
764 | fprintf(stderr, "not enough memory to hold filter string\n"); |
765 | return -1; | |
766 | } | |
c171b552 LZ |
767 | |
768 | return 0; | |
769 | } | |
770 | ||
86847b62 | 771 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
772 | "Hardware event", |
773 | "Software event", | |
774 | "Tracepoint event", | |
775 | "Hardware cache event", | |
41bdcb23 LW |
776 | "Raw hardware event descriptor", |
777 | "Hardware breakpoint", | |
86847b62 TG |
778 | }; |
779 | ||
f6bdafef JB |
780 | /* |
781 | * Print the events from <debugfs_mount_point>/tracing/events | |
782 | */ | |
783 | ||
668b8788 | 784 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob) |
f6bdafef JB |
785 | { |
786 | DIR *sys_dir, *evt_dir; | |
787 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 788 | char evt_path[MAXPATHLEN]; |
725b1368 | 789 | char dir_path[MAXPATHLEN]; |
f6bdafef | 790 | |
ebf294bf | 791 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
792 | return; |
793 | ||
ebf294bf | 794 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 795 | if (!sys_dir) |
725b1368 | 796 | return; |
6b58e7f1 UD |
797 | |
798 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
668b8788 ACM |
799 | if (subsys_glob != NULL && |
800 | !strglobmatch(sys_dirent.d_name, subsys_glob)) | |
801 | continue; | |
725b1368 | 802 | |
ebf294bf | 803 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
804 | sys_dirent.d_name); |
805 | evt_dir = opendir(dir_path); | |
806 | if (!evt_dir) | |
6b58e7f1 | 807 | continue; |
725b1368 | 808 | |
6b58e7f1 | 809 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
668b8788 ACM |
810 | if (event_glob != NULL && |
811 | !strglobmatch(evt_dirent.d_name, event_glob)) | |
812 | continue; | |
813 | ||
f6bdafef JB |
814 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
815 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 816 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 817 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
818 | } |
819 | closedir(evt_dir); | |
820 | } | |
f6bdafef JB |
821 | closedir(sys_dir); |
822 | } | |
823 | ||
20c457b8 TR |
824 | /* |
825 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
826 | */ | |
827 | ||
828 | int is_valid_tracepoint(const char *event_string) | |
829 | { | |
830 | DIR *sys_dir, *evt_dir; | |
831 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
832 | char evt_path[MAXPATHLEN]; | |
833 | char dir_path[MAXPATHLEN]; | |
834 | ||
ebf294bf | 835 | if (debugfs_valid_mountpoint(tracing_events_path)) |
20c457b8 TR |
836 | return 0; |
837 | ||
ebf294bf | 838 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
839 | if (!sys_dir) |
840 | return 0; | |
841 | ||
842 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
843 | ||
ebf294bf | 844 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
845 | sys_dirent.d_name); |
846 | evt_dir = opendir(dir_path); | |
847 | if (!evt_dir) | |
848 | continue; | |
849 | ||
850 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
851 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
852 | sys_dirent.d_name, evt_dirent.d_name); | |
853 | if (!strcmp(evt_path, event_string)) { | |
854 | closedir(evt_dir); | |
855 | closedir(sys_dir); | |
856 | return 1; | |
857 | } | |
858 | } | |
859 | closedir(evt_dir); | |
860 | } | |
861 | closedir(sys_dir); | |
862 | return 0; | |
863 | } | |
864 | ||
668b8788 ACM |
865 | void print_events_type(u8 type) |
866 | { | |
867 | struct event_symbol *syms = event_symbols; | |
868 | unsigned int i; | |
869 | char name[64]; | |
870 | ||
871 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { | |
872 | if (type != syms->type) | |
873 | continue; | |
874 | ||
875 | if (strlen(syms->alias)) | |
876 | snprintf(name, sizeof(name), "%s OR %s", | |
877 | syms->symbol, syms->alias); | |
878 | else | |
879 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
880 | ||
947b4ad1 | 881 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
882 | event_type_descriptors[type]); |
883 | } | |
884 | } | |
885 | ||
886 | int print_hwcache_events(const char *event_glob) | |
887 | { | |
888 | unsigned int type, op, i, printed = 0; | |
889 | ||
890 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
891 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
892 | /* skip invalid cache type */ | |
893 | if (!is_cache_op_valid(type, op)) | |
894 | continue; | |
895 | ||
896 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
897 | char *name = event_cache_name(type, op, i); | |
898 | ||
947b4ad1 | 899 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
900 | continue; |
901 | ||
947b4ad1 | 902 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
903 | event_type_descriptors[PERF_TYPE_HW_CACHE]); |
904 | ++printed; | |
905 | } | |
906 | } | |
907 | } | |
908 | ||
909 | return printed; | |
910 | } | |
911 | ||
8ad8db37 | 912 | /* |
86847b62 | 913 | * Print the help text for the event symbols: |
8ad8db37 | 914 | */ |
668b8788 | 915 | void print_events(const char *event_glob) |
8ad8db37 | 916 | { |
668b8788 | 917 | unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0; |
947b4ad1 IM |
918 | struct event_symbol *syms = event_symbols; |
919 | char name[MAX_NAME_LEN]; | |
8ad8db37 | 920 | |
689d3018 MR |
921 | printf("\n"); |
922 | printf("List of pre-defined events (to be used in -e):\n"); | |
8ad8db37 | 923 | |
86847b62 | 924 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { |
41bdcb23 | 925 | type = syms->type; |
8ad8db37 | 926 | |
668b8788 | 927 | if (type != prev_type && printed) { |
689d3018 | 928 | printf("\n"); |
668b8788 ACM |
929 | printed = 0; |
930 | ntypes_printed++; | |
931 | } | |
932 | ||
933 | if (event_glob != NULL && | |
934 | !(strglobmatch(syms->symbol, event_glob) || | |
935 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
936 | continue; | |
8ad8db37 | 937 | |
74d5b588 | 938 | if (strlen(syms->alias)) |
947b4ad1 | 939 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 940 | else |
947b4ad1 IM |
941 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
942 | printf(" %-50s [%s]\n", name, | |
86847b62 | 943 | event_type_descriptors[type]); |
8ad8db37 | 944 | |
86847b62 | 945 | prev_type = type; |
668b8788 | 946 | ++printed; |
8ad8db37 IM |
947 | } |
948 | ||
668b8788 ACM |
949 | if (ntypes_printed) { |
950 | printed = 0; | |
951 | printf("\n"); | |
73c24cb8 | 952 | } |
668b8788 ACM |
953 | print_hwcache_events(event_glob); |
954 | ||
955 | if (event_glob != NULL) | |
956 | return; | |
73c24cb8 | 957 | |
689d3018 | 958 | printf("\n"); |
947b4ad1 | 959 | printf(" %-50s [%s]\n", |
1cf4a063 ACM |
960 | "rNNN (see 'perf list --help' on how to encode it)", |
961 | event_type_descriptors[PERF_TYPE_RAW]); | |
689d3018 | 962 | printf("\n"); |
86847b62 | 963 | |
947b4ad1 | 964 | printf(" %-50s [%s]\n", |
41bdcb23 LW |
965 | "mem:<addr>[:access]", |
966 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); | |
1b290d67 FW |
967 | printf("\n"); |
968 | ||
668b8788 | 969 | print_tracepoint_events(NULL, NULL); |
8ad8db37 | 970 | } |
8f707d84 JO |
971 | |
972 | int parse_events__is_hardcoded_term(struct parse_events__term *term) | |
973 | { | |
974 | return term->type <= PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX; | |
975 | } | |
976 | ||
977 | int parse_events__new_term(struct parse_events__term **_term, int type, | |
978 | char *config, char *str, long num) | |
979 | { | |
980 | struct parse_events__term *term; | |
981 | ||
982 | term = zalloc(sizeof(*term)); | |
983 | if (!term) | |
984 | return -ENOMEM; | |
985 | ||
986 | INIT_LIST_HEAD(&term->list); | |
987 | term->type = type; | |
988 | term->config = config; | |
989 | ||
990 | switch (type) { | |
991 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
992 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
993 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
994 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
995 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
996 | case PARSE_EVENTS__TERM_TYPE_NUM: | |
997 | term->val.num = num; | |
998 | break; | |
999 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1000 | term->val.str = str; | |
1001 | break; | |
1002 | default: | |
1003 | return -EINVAL; | |
1004 | } | |
1005 | ||
1006 | *_term = term; | |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | void parse_events__free_terms(struct list_head *terms) | |
1011 | { | |
1012 | struct parse_events__term *term, *h; | |
1013 | ||
1014 | list_for_each_entry_safe(term, h, terms, list) | |
1015 | free(term); | |
1016 | ||
1017 | free(terms); | |
1018 | } |