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 | 14 | #include "parse-events-flex.h" |
5f537a26 | 15 | #include "pmu.h" |
89812fc8 JO |
16 | |
17 | #define MAX_NAME_LEN 100 | |
8ad8db37 | 18 | |
8ad8db37 | 19 | struct event_symbol { |
83a0944f IM |
20 | u8 type; |
21 | u64 config; | |
22 | const char *symbol; | |
23 | const char *alias; | |
8ad8db37 IM |
24 | }; |
25 | ||
89812fc8 | 26 | int parse_events_parse(struct list_head *list, int *idx); |
bcd3279f | 27 | |
51e26842 JSR |
28 | #define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x |
29 | #define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x | |
a21ca2ca | 30 | |
8ad8db37 | 31 | static struct event_symbol event_symbols[] = { |
129c04cb IM |
32 | { CHW(CPU_CYCLES), "cpu-cycles", "cycles" }, |
33 | { CHW(STALLED_CYCLES_FRONTEND), "stalled-cycles-frontend", "idle-cycles-frontend" }, | |
34 | { CHW(STALLED_CYCLES_BACKEND), "stalled-cycles-backend", "idle-cycles-backend" }, | |
35 | { CHW(INSTRUCTIONS), "instructions", "" }, | |
36 | { CHW(CACHE_REFERENCES), "cache-references", "" }, | |
37 | { CHW(CACHE_MISSES), "cache-misses", "" }, | |
38 | { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" }, | |
39 | { CHW(BRANCH_MISSES), "branch-misses", "" }, | |
40 | { CHW(BUS_CYCLES), "bus-cycles", "" }, | |
f1ac18af | 41 | { CHW(REF_CPU_CYCLES), "ref-cycles", "" }, |
129c04cb IM |
42 | |
43 | { CSW(CPU_CLOCK), "cpu-clock", "" }, | |
44 | { CSW(TASK_CLOCK), "task-clock", "" }, | |
45 | { CSW(PAGE_FAULTS), "page-faults", "faults" }, | |
46 | { CSW(PAGE_FAULTS_MIN), "minor-faults", "" }, | |
47 | { CSW(PAGE_FAULTS_MAJ), "major-faults", "" }, | |
48 | { CSW(CONTEXT_SWITCHES), "context-switches", "cs" }, | |
49 | { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" }, | |
50 | { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" }, | |
51 | { CSW(EMULATION_FAULTS), "emulation-faults", "" }, | |
8ad8db37 IM |
52 | }; |
53 | ||
cdd6c482 IM |
54 | #define __PERF_EVENT_FIELD(config, name) \ |
55 | ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) | |
5242519b | 56 | |
1fc570ad | 57 | #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
cdd6c482 | 58 | #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
1fc570ad | 59 | #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
cdd6c482 | 60 | #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
5242519b | 61 | |
d3d1e86d | 62 | static const char *hw_event_names[PERF_COUNT_HW_MAX] = { |
8faf3b54 | 63 | "cycles", |
5242519b | 64 | "instructions", |
8faf3b54 IM |
65 | "cache-references", |
66 | "cache-misses", | |
5242519b | 67 | "branches", |
8faf3b54 IM |
68 | "branch-misses", |
69 | "bus-cycles", | |
d3d1e86d IM |
70 | "stalled-cycles-frontend", |
71 | "stalled-cycles-backend", | |
f1ac18af | 72 | "ref-cycles", |
5242519b IM |
73 | }; |
74 | ||
d3d1e86d | 75 | static const char *sw_event_names[PERF_COUNT_SW_MAX] = { |
749141d9 IM |
76 | "cpu-clock", |
77 | "task-clock", | |
8faf3b54 IM |
78 | "page-faults", |
79 | "context-switches", | |
80 | "CPU-migrations", | |
81 | "minor-faults", | |
82 | "major-faults", | |
f7d79860 AB |
83 | "alignment-faults", |
84 | "emulation-faults", | |
5242519b IM |
85 | }; |
86 | ||
8326f44d IM |
87 | #define MAX_ALIASES 8 |
88 | ||
0111919d | 89 | static const char *hw_cache[PERF_COUNT_HW_CACHE_MAX][MAX_ALIASES] = { |
9590b7ba AB |
90 | { "L1-dcache", "l1-d", "l1d", "L1-data", }, |
91 | { "L1-icache", "l1-i", "l1i", "L1-instruction", }, | |
0111919d | 92 | { "LLC", "L2", }, |
e5c59547 JSR |
93 | { "dTLB", "d-tlb", "Data-TLB", }, |
94 | { "iTLB", "i-tlb", "Instruction-TLB", }, | |
95 | { "branch", "branches", "bpu", "btb", "bpc", }, | |
0111919d | 96 | { "node", }, |
8326f44d IM |
97 | }; |
98 | ||
0111919d | 99 | static const char *hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][MAX_ALIASES] = { |
e5c59547 JSR |
100 | { "load", "loads", "read", }, |
101 | { "store", "stores", "write", }, | |
102 | { "prefetch", "prefetches", "speculative-read", "speculative-load", }, | |
8326f44d IM |
103 | }; |
104 | ||
0111919d JO |
105 | static const char *hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] |
106 | [MAX_ALIASES] = { | |
e5c59547 JSR |
107 | { "refs", "Reference", "ops", "access", }, |
108 | { "misses", "miss", }, | |
8326f44d IM |
109 | }; |
110 | ||
06813f6c JSR |
111 | #define C(x) PERF_COUNT_HW_CACHE_##x |
112 | #define CACHE_READ (1 << C(OP_READ)) | |
113 | #define CACHE_WRITE (1 << C(OP_WRITE)) | |
114 | #define CACHE_PREFETCH (1 << C(OP_PREFETCH)) | |
115 | #define COP(x) (1 << x) | |
116 | ||
117 | /* | |
118 | * cache operartion stat | |
119 | * L1I : Read and prefetch only | |
120 | * ITLB and BPU : Read-only | |
121 | */ | |
122 | static unsigned long hw_cache_stat[C(MAX)] = { | |
123 | [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
124 | [C(L1I)] = (CACHE_READ | CACHE_PREFETCH), | |
125 | [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
126 | [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), | |
127 | [C(ITLB)] = (CACHE_READ), | |
128 | [C(BPU)] = (CACHE_READ), | |
0111919d | 129 | [C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH), |
06813f6c JSR |
130 | }; |
131 | ||
6b58e7f1 | 132 | #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
f6bdafef | 133 | while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
6b58e7f1 | 134 | if (sys_dirent.d_type == DT_DIR && \ |
f6bdafef JB |
135 | (strcmp(sys_dirent.d_name, ".")) && \ |
136 | (strcmp(sys_dirent.d_name, ".."))) | |
137 | ||
ae07b63f PZ |
138 | static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
139 | { | |
140 | char evt_path[MAXPATHLEN]; | |
141 | int fd; | |
142 | ||
ebf294bf | 143 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
ae07b63f PZ |
144 | sys_dir->d_name, evt_dir->d_name); |
145 | fd = open(evt_path, O_RDONLY); | |
146 | if (fd < 0) | |
147 | return -EINVAL; | |
148 | close(fd); | |
149 | ||
150 | return 0; | |
151 | } | |
152 | ||
6b58e7f1 | 153 | #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
f6bdafef | 154 | while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
6b58e7f1 | 155 | if (evt_dirent.d_type == DT_DIR && \ |
f6bdafef | 156 | (strcmp(evt_dirent.d_name, ".")) && \ |
ae07b63f PZ |
157 | (strcmp(evt_dirent.d_name, "..")) && \ |
158 | (!tp_event_has_id(&sys_dirent, &evt_dirent))) | |
f6bdafef | 159 | |
270bbbe8 | 160 | #define MAX_EVENT_LENGTH 512 |
f6bdafef | 161 | |
f6bdafef | 162 | |
1ef2ed10 | 163 | struct tracepoint_path *tracepoint_id_to_path(u64 config) |
f6bdafef | 164 | { |
1ef2ed10 | 165 | struct tracepoint_path *path = NULL; |
f6bdafef JB |
166 | DIR *sys_dir, *evt_dir; |
167 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
8aa8a7c8 | 168 | char id_buf[24]; |
725b1368 | 169 | int fd; |
f6bdafef JB |
170 | u64 id; |
171 | char evt_path[MAXPATHLEN]; | |
725b1368 | 172 | char dir_path[MAXPATHLEN]; |
f6bdafef | 173 | |
ebf294bf | 174 | if (debugfs_valid_mountpoint(tracing_events_path)) |
1ef2ed10 | 175 | return NULL; |
f6bdafef | 176 | |
ebf294bf | 177 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 178 | if (!sys_dir) |
725b1368 | 179 | return NULL; |
6b58e7f1 UD |
180 | |
181 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
725b1368 | 182 | |
ebf294bf | 183 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
184 | sys_dirent.d_name); |
185 | evt_dir = opendir(dir_path); | |
186 | if (!evt_dir) | |
6b58e7f1 | 187 | continue; |
725b1368 | 188 | |
6b58e7f1 | 189 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
725b1368 ED |
190 | |
191 | snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, | |
f6bdafef | 192 | evt_dirent.d_name); |
725b1368 | 193 | fd = open(evt_path, O_RDONLY); |
f6bdafef JB |
194 | if (fd < 0) |
195 | continue; | |
196 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
197 | close(fd); | |
198 | continue; | |
199 | } | |
200 | close(fd); | |
201 | id = atoll(id_buf); | |
202 | if (id == config) { | |
203 | closedir(evt_dir); | |
204 | closedir(sys_dir); | |
59b4caeb | 205 | path = zalloc(sizeof(*path)); |
1ef2ed10 FW |
206 | path->system = malloc(MAX_EVENT_LENGTH); |
207 | if (!path->system) { | |
208 | free(path); | |
209 | return NULL; | |
210 | } | |
211 | path->name = malloc(MAX_EVENT_LENGTH); | |
212 | if (!path->name) { | |
213 | free(path->system); | |
214 | free(path); | |
215 | return NULL; | |
216 | } | |
217 | strncpy(path->system, sys_dirent.d_name, | |
218 | MAX_EVENT_LENGTH); | |
219 | strncpy(path->name, evt_dirent.d_name, | |
220 | MAX_EVENT_LENGTH); | |
221 | return path; | |
f6bdafef JB |
222 | } |
223 | } | |
224 | closedir(evt_dir); | |
225 | } | |
226 | ||
f6bdafef | 227 | closedir(sys_dir); |
1ef2ed10 FW |
228 | return NULL; |
229 | } | |
230 | ||
231 | #define TP_PATH_LEN (MAX_EVENT_LENGTH * 2 + 1) | |
232 | static const char *tracepoint_id_to_name(u64 config) | |
233 | { | |
234 | static char buf[TP_PATH_LEN]; | |
235 | struct tracepoint_path *path; | |
236 | ||
237 | path = tracepoint_id_to_path(config); | |
238 | if (path) { | |
239 | snprintf(buf, TP_PATH_LEN, "%s:%s", path->system, path->name); | |
240 | free(path->name); | |
241 | free(path->system); | |
242 | free(path); | |
243 | } else | |
244 | snprintf(buf, TP_PATH_LEN, "%s:%s", "unknown", "unknown"); | |
245 | ||
246 | return buf; | |
f6bdafef JB |
247 | } |
248 | ||
06813f6c JSR |
249 | static int is_cache_op_valid(u8 cache_type, u8 cache_op) |
250 | { | |
251 | if (hw_cache_stat[cache_type] & COP(cache_op)) | |
252 | return 1; /* valid */ | |
253 | else | |
254 | return 0; /* invalid */ | |
255 | } | |
256 | ||
e5c59547 JSR |
257 | static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result) |
258 | { | |
259 | static char name[50]; | |
260 | ||
261 | if (cache_result) { | |
262 | sprintf(name, "%s-%s-%s", hw_cache[cache_type][0], | |
263 | hw_cache_op[cache_op][0], | |
264 | hw_cache_result[cache_result][0]); | |
265 | } else { | |
266 | sprintf(name, "%s-%s", hw_cache[cache_type][0], | |
267 | hw_cache_op[cache_op][1]); | |
268 | } | |
269 | ||
270 | return name; | |
271 | } | |
272 | ||
1424dc96 DA |
273 | const char *event_type(int type) |
274 | { | |
275 | switch (type) { | |
276 | case PERF_TYPE_HARDWARE: | |
277 | return "hardware"; | |
278 | ||
279 | case PERF_TYPE_SOFTWARE: | |
280 | return "software"; | |
281 | ||
282 | case PERF_TYPE_TRACEPOINT: | |
283 | return "tracepoint"; | |
284 | ||
285 | case PERF_TYPE_HW_CACHE: | |
286 | return "hardware-cache"; | |
287 | ||
288 | default: | |
289 | break; | |
290 | } | |
291 | ||
292 | return "unknown"; | |
293 | } | |
294 | ||
69aad6f1 | 295 | const char *event_name(struct perf_evsel *evsel) |
5242519b | 296 | { |
69aad6f1 ACM |
297 | u64 config = evsel->attr.config; |
298 | int type = evsel->attr.type; | |
8f18aec5 | 299 | |
f0c55bcf SE |
300 | if (evsel->name) |
301 | return evsel->name; | |
302 | ||
8f18aec5 PZ |
303 | return __event_name(type, config); |
304 | } | |
305 | ||
83a0944f | 306 | const char *__event_name(int type, u64 config) |
8f18aec5 | 307 | { |
5242519b IM |
308 | static char buf[32]; |
309 | ||
8f18aec5 | 310 | if (type == PERF_TYPE_RAW) { |
9486aa38 | 311 | sprintf(buf, "raw 0x%" PRIx64, config); |
5242519b IM |
312 | return buf; |
313 | } | |
314 | ||
315 | switch (type) { | |
316 | case PERF_TYPE_HARDWARE: | |
1fc570ad | 317 | if (config < PERF_COUNT_HW_MAX && hw_event_names[config]) |
a21ca2ca | 318 | return hw_event_names[config]; |
5242519b IM |
319 | return "unknown-hardware"; |
320 | ||
8326f44d | 321 | case PERF_TYPE_HW_CACHE: { |
9cffa8d5 | 322 | u8 cache_type, cache_op, cache_result; |
8326f44d IM |
323 | |
324 | cache_type = (config >> 0) & 0xff; | |
325 | if (cache_type > PERF_COUNT_HW_CACHE_MAX) | |
326 | return "unknown-ext-hardware-cache-type"; | |
327 | ||
328 | cache_op = (config >> 8) & 0xff; | |
8faf3b54 IM |
329 | if (cache_op > PERF_COUNT_HW_CACHE_OP_MAX) |
330 | return "unknown-ext-hardware-cache-op"; | |
8326f44d IM |
331 | |
332 | cache_result = (config >> 16) & 0xff; | |
8faf3b54 IM |
333 | if (cache_result > PERF_COUNT_HW_CACHE_RESULT_MAX) |
334 | return "unknown-ext-hardware-cache-result"; | |
8326f44d | 335 | |
06813f6c JSR |
336 | if (!is_cache_op_valid(cache_type, cache_op)) |
337 | return "invalid-cache"; | |
8326f44d | 338 | |
e5c59547 | 339 | return event_cache_name(cache_type, cache_op, cache_result); |
8326f44d IM |
340 | } |
341 | ||
5242519b | 342 | case PERF_TYPE_SOFTWARE: |
1fc570ad | 343 | if (config < PERF_COUNT_SW_MAX && sw_event_names[config]) |
a21ca2ca | 344 | return sw_event_names[config]; |
5242519b IM |
345 | return "unknown-software"; |
346 | ||
f6bdafef JB |
347 | case PERF_TYPE_TRACEPOINT: |
348 | return tracepoint_id_to_name(config); | |
349 | ||
5242519b IM |
350 | default: |
351 | break; | |
352 | } | |
353 | ||
354 | return "unknown"; | |
355 | } | |
356 | ||
89812fc8 JO |
357 | static int add_event(struct list_head *list, int *idx, |
358 | struct perf_event_attr *attr, char *name) | |
359 | { | |
360 | struct perf_evsel *evsel; | |
361 | ||
362 | event_attr_init(attr); | |
363 | ||
364 | evsel = perf_evsel__new(attr, (*idx)++); | |
365 | if (!evsel) | |
366 | return -ENOMEM; | |
367 | ||
368 | list_add_tail(&evsel->node, list); | |
369 | ||
370 | evsel->name = strdup(name); | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size) | |
8326f44d IM |
375 | { |
376 | int i, j; | |
61c45981 | 377 | int n, longest = -1; |
8326f44d IM |
378 | |
379 | for (i = 0; i < size; i++) { | |
61c45981 PM |
380 | for (j = 0; j < MAX_ALIASES && names[i][j]; j++) { |
381 | n = strlen(names[i][j]); | |
89812fc8 | 382 | if (n > longest && !strncasecmp(str, names[i][j], n)) |
61c45981 PM |
383 | longest = n; |
384 | } | |
89812fc8 | 385 | if (longest > 0) |
61c45981 | 386 | return i; |
8326f44d IM |
387 | } |
388 | ||
8953645f | 389 | return -1; |
8326f44d IM |
390 | } |
391 | ||
89812fc8 JO |
392 | int parse_events_add_cache(struct list_head *list, int *idx, |
393 | char *type, char *op_result1, char *op_result2) | |
8326f44d | 394 | { |
89812fc8 JO |
395 | struct perf_event_attr attr; |
396 | char name[MAX_NAME_LEN]; | |
61c45981 | 397 | int cache_type = -1, cache_op = -1, cache_result = -1; |
89812fc8 JO |
398 | char *op_result[2] = { op_result1, op_result2 }; |
399 | int i, n; | |
8326f44d | 400 | |
8326f44d IM |
401 | /* |
402 | * No fallback - if we cannot get a clear cache type | |
403 | * then bail out: | |
404 | */ | |
89812fc8 JO |
405 | cache_type = parse_aliases(type, hw_cache, |
406 | PERF_COUNT_HW_CACHE_MAX); | |
8326f44d | 407 | if (cache_type == -1) |
89812fc8 JO |
408 | return -EINVAL; |
409 | ||
410 | n = snprintf(name, MAX_NAME_LEN, "%s", type); | |
61c45981 | 411 | |
89812fc8 JO |
412 | for (i = 0; (i < 2) && (op_result[i]); i++) { |
413 | char *str = op_result[i]; | |
414 | ||
415 | snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); | |
61c45981 PM |
416 | |
417 | if (cache_op == -1) { | |
89812fc8 JO |
418 | cache_op = parse_aliases(str, hw_cache_op, |
419 | PERF_COUNT_HW_CACHE_OP_MAX); | |
61c45981 PM |
420 | if (cache_op >= 0) { |
421 | if (!is_cache_op_valid(cache_type, cache_op)) | |
89812fc8 | 422 | return -EINVAL; |
61c45981 PM |
423 | continue; |
424 | } | |
425 | } | |
426 | ||
427 | if (cache_result == -1) { | |
89812fc8 | 428 | cache_result = parse_aliases(str, hw_cache_result, |
61c45981 PM |
429 | PERF_COUNT_HW_CACHE_RESULT_MAX); |
430 | if (cache_result >= 0) | |
431 | continue; | |
432 | } | |
61c45981 | 433 | } |
8326f44d | 434 | |
8326f44d IM |
435 | /* |
436 | * Fall back to reads: | |
437 | */ | |
8953645f IM |
438 | if (cache_op == -1) |
439 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 440 | |
8326f44d IM |
441 | /* |
442 | * Fall back to accesses: | |
443 | */ | |
444 | if (cache_result == -1) | |
445 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
446 | ||
89812fc8 JO |
447 | memset(&attr, 0, sizeof(attr)); |
448 | attr.config = cache_type | (cache_op << 8) | (cache_result << 16); | |
449 | attr.type = PERF_TYPE_HW_CACHE; | |
450 | return add_event(list, idx, &attr, name); | |
bcd3279f FW |
451 | } |
452 | ||
89812fc8 JO |
453 | static int add_tracepoint(struct list_head *list, int *idx, |
454 | char *sys_name, char *evt_name) | |
bcd3279f | 455 | { |
89812fc8 JO |
456 | struct perf_event_attr attr; |
457 | char name[MAX_NAME_LEN]; | |
bcd3279f FW |
458 | char evt_path[MAXPATHLEN]; |
459 | char id_buf[4]; | |
460 | u64 id; | |
461 | int fd; | |
462 | ||
ebf294bf | 463 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
bcd3279f FW |
464 | sys_name, evt_name); |
465 | ||
466 | fd = open(evt_path, O_RDONLY); | |
467 | if (fd < 0) | |
89812fc8 | 468 | return -1; |
bcd3279f FW |
469 | |
470 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
471 | close(fd); | |
89812fc8 | 472 | return -1; |
bcd3279f FW |
473 | } |
474 | ||
475 | close(fd); | |
476 | id = atoll(id_buf); | |
bcd3279f | 477 | |
89812fc8 JO |
478 | memset(&attr, 0, sizeof(attr)); |
479 | attr.config = id; | |
480 | attr.type = PERF_TYPE_TRACEPOINT; | |
481 | attr.sample_type |= PERF_SAMPLE_RAW; | |
482 | attr.sample_type |= PERF_SAMPLE_TIME; | |
483 | attr.sample_type |= PERF_SAMPLE_CPU; | |
484 | attr.sample_period = 1; | |
5710fcad | 485 | |
89812fc8 JO |
486 | snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name); |
487 | return add_event(list, idx, &attr, name); | |
8326f44d IM |
488 | } |
489 | ||
89812fc8 JO |
490 | static int add_tracepoint_multi(struct list_head *list, int *idx, |
491 | char *sys_name, char *evt_name) | |
bcd3279f FW |
492 | { |
493 | char evt_path[MAXPATHLEN]; | |
494 | struct dirent *evt_ent; | |
495 | DIR *evt_dir; | |
89812fc8 | 496 | int ret = 0; |
bcd3279f | 497 | |
ebf294bf | 498 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f | 499 | evt_dir = opendir(evt_path); |
bcd3279f FW |
500 | if (!evt_dir) { |
501 | perror("Can't open event dir"); | |
89812fc8 | 502 | return -1; |
bcd3279f FW |
503 | } |
504 | ||
89812fc8 | 505 | while (!ret && (evt_ent = readdir(evt_dir))) { |
bcd3279f FW |
506 | if (!strcmp(evt_ent->d_name, ".") |
507 | || !strcmp(evt_ent->d_name, "..") | |
508 | || !strcmp(evt_ent->d_name, "enable") | |
509 | || !strcmp(evt_ent->d_name, "filter")) | |
510 | continue; | |
511 | ||
89812fc8 | 512 | if (!strglobmatch(evt_ent->d_name, evt_name)) |
fb1d2edf MH |
513 | continue; |
514 | ||
89812fc8 | 515 | ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
bcd3279f FW |
516 | } |
517 | ||
89812fc8 | 518 | return ret; |
bcd3279f FW |
519 | } |
520 | ||
89812fc8 JO |
521 | int parse_events_add_tracepoint(struct list_head *list, int *idx, |
522 | char *sys, char *event) | |
f6bdafef | 523 | { |
89812fc8 | 524 | int ret; |
f6bdafef | 525 | |
89812fc8 JO |
526 | ret = debugfs_valid_mountpoint(tracing_events_path); |
527 | if (ret) | |
528 | return ret; | |
f6bdafef | 529 | |
89812fc8 JO |
530 | return strpbrk(event, "*?") ? |
531 | add_tracepoint_multi(list, idx, sys, event) : | |
532 | add_tracepoint(list, idx, sys, event); | |
f6bdafef JB |
533 | } |
534 | ||
89812fc8 JO |
535 | static int |
536 | parse_breakpoint_type(const char *type, struct perf_event_attr *attr) | |
1b290d67 FW |
537 | { |
538 | int i; | |
539 | ||
540 | for (i = 0; i < 3; i++) { | |
89812fc8 | 541 | if (!type || !type[i]) |
1b290d67 FW |
542 | break; |
543 | ||
544 | switch (type[i]) { | |
545 | case 'r': | |
546 | attr->bp_type |= HW_BREAKPOINT_R; | |
547 | break; | |
548 | case 'w': | |
549 | attr->bp_type |= HW_BREAKPOINT_W; | |
550 | break; | |
551 | case 'x': | |
552 | attr->bp_type |= HW_BREAKPOINT_X; | |
553 | break; | |
554 | default: | |
89812fc8 | 555 | return -EINVAL; |
1b290d67 FW |
556 | } |
557 | } | |
89812fc8 | 558 | |
1b290d67 FW |
559 | if (!attr->bp_type) /* Default */ |
560 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
561 | ||
89812fc8 | 562 | return 0; |
1b290d67 FW |
563 | } |
564 | ||
89812fc8 JO |
565 | int parse_events_add_breakpoint(struct list_head *list, int *idx, |
566 | void *ptr, char *type) | |
1b290d67 | 567 | { |
89812fc8 JO |
568 | struct perf_event_attr attr; |
569 | char name[MAX_NAME_LEN]; | |
1b290d67 | 570 | |
89812fc8 | 571 | memset(&attr, 0, sizeof(attr)); |
9fafd98f | 572 | attr.bp_addr = (unsigned long) ptr; |
1b290d67 | 573 | |
89812fc8 JO |
574 | if (parse_breakpoint_type(type, &attr)) |
575 | return -EINVAL; | |
1b290d67 | 576 | |
aa59a485 FW |
577 | /* |
578 | * We should find a nice way to override the access length | |
579 | * Provide some defaults for now | |
580 | */ | |
89812fc8 JO |
581 | if (attr.bp_type == HW_BREAKPOINT_X) |
582 | attr.bp_len = sizeof(long); | |
aa59a485 | 583 | else |
89812fc8 | 584 | attr.bp_len = HW_BREAKPOINT_LEN_4; |
61c45981 | 585 | |
89812fc8 | 586 | attr.type = PERF_TYPE_BREAKPOINT; |
b908debd | 587 | |
89812fc8 JO |
588 | snprintf(name, MAX_NAME_LEN, "mem:%p:%s", ptr, type ? type : "rw"); |
589 | return add_event(list, idx, &attr, name); | |
74d5b588 JSR |
590 | } |
591 | ||
8f707d84 JO |
592 | static int config_term(struct perf_event_attr *attr, |
593 | struct parse_events__term *term) | |
594 | { | |
595 | switch (term->type) { | |
596 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
597 | attr->config = term->val.num; | |
598 | break; | |
599 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
600 | attr->config1 = term->val.num; | |
601 | break; | |
602 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
603 | attr->config2 = term->val.num; | |
604 | break; | |
605 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
606 | attr->sample_period = term->val.num; | |
607 | break; | |
608 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
609 | /* | |
610 | * TODO uncomment when the field is available | |
611 | * attr->branch_sample_type = term->val.num; | |
612 | */ | |
613 | break; | |
614 | default: | |
615 | return -EINVAL; | |
616 | } | |
617 | return 0; | |
618 | } | |
619 | ||
620 | static int config_attr(struct perf_event_attr *attr, | |
621 | struct list_head *head, int fail) | |
622 | { | |
623 | struct parse_events__term *term; | |
624 | ||
625 | list_for_each_entry(term, head, list) | |
626 | if (config_term(attr, term) && fail) | |
627 | return -EINVAL; | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
632 | int parse_events_add_numeric(struct list_head *list, int *idx, | |
633 | unsigned long type, unsigned long config, | |
634 | struct list_head *head_config) | |
8ad8db37 | 635 | { |
89812fc8 | 636 | struct perf_event_attr attr; |
61c45981 | 637 | |
89812fc8 JO |
638 | memset(&attr, 0, sizeof(attr)); |
639 | attr.type = type; | |
640 | attr.config = config; | |
8f707d84 JO |
641 | |
642 | if (head_config && | |
643 | config_attr(&attr, head_config, 1)) | |
644 | return -EINVAL; | |
645 | ||
89812fc8 JO |
646 | return add_event(list, idx, &attr, |
647 | (char *) __event_name(type, config)); | |
61c45981 | 648 | } |
8ad8db37 | 649 | |
5f537a26 JO |
650 | int parse_events_add_pmu(struct list_head *list, int *idx, |
651 | char *name, struct list_head *head_config) | |
652 | { | |
653 | struct perf_event_attr attr; | |
654 | struct perf_pmu *pmu; | |
655 | ||
656 | pmu = perf_pmu__find(name); | |
657 | if (!pmu) | |
658 | return -EINVAL; | |
659 | ||
660 | memset(&attr, 0, sizeof(attr)); | |
661 | ||
662 | /* | |
663 | * Configure hardcoded terms first, no need to check | |
664 | * return value when called with fail == 0 ;) | |
665 | */ | |
666 | config_attr(&attr, head_config, 0); | |
667 | ||
668 | if (perf_pmu__config(pmu, &attr, head_config)) | |
669 | return -EINVAL; | |
670 | ||
671 | return add_event(list, idx, &attr, (char *) "pmu"); | |
672 | } | |
673 | ||
89812fc8 | 674 | int parse_events_modifier(struct list_head *list, char *str) |
61c45981 | 675 | { |
89812fc8 | 676 | struct perf_evsel *evsel; |
99320cc8 JR |
677 | int exclude = 0, exclude_GH = 0; |
678 | int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; | |
a21ca2ca | 679 | |
89812fc8 | 680 | if (str == NULL) |
a21ca2ca | 681 | return 0; |
ceb53fbf | 682 | |
61c45981 | 683 | while (*str) { |
ab608344 PZ |
684 | if (*str == 'u') { |
685 | if (!exclude) | |
686 | exclude = eu = ek = eh = 1; | |
61c45981 | 687 | eu = 0; |
ab608344 PZ |
688 | } else if (*str == 'k') { |
689 | if (!exclude) | |
690 | exclude = eu = ek = eh = 1; | |
61c45981 | 691 | ek = 0; |
ab608344 PZ |
692 | } else if (*str == 'h') { |
693 | if (!exclude) | |
694 | exclude = eu = ek = eh = 1; | |
61c45981 | 695 | eh = 0; |
99320cc8 JR |
696 | } else if (*str == 'G') { |
697 | if (!exclude_GH) | |
698 | exclude_GH = eG = eH = 1; | |
699 | eG = 0; | |
700 | } else if (*str == 'H') { | |
701 | if (!exclude_GH) | |
702 | exclude_GH = eG = eH = 1; | |
703 | eH = 0; | |
ab608344 PZ |
704 | } else if (*str == 'p') { |
705 | precise++; | |
706 | } else | |
61c45981 | 707 | break; |
ab608344 | 708 | |
61c45981 | 709 | ++str; |
5242519b | 710 | } |
ceb53fbf | 711 | |
89812fc8 JO |
712 | /* |
713 | * precise ip: | |
714 | * | |
715 | * 0 - SAMPLE_IP can have arbitrary skid | |
716 | * 1 - SAMPLE_IP must have constant skid | |
717 | * 2 - SAMPLE_IP requested to have 0 skid | |
718 | * 3 - SAMPLE_IP must have 0 skid | |
719 | * | |
720 | * See also PERF_RECORD_MISC_EXACT_IP | |
721 | */ | |
722 | if (precise > 3) | |
723 | return -EINVAL; | |
ceb53fbf | 724 | |
89812fc8 JO |
725 | list_for_each_entry(evsel, list, node) { |
726 | evsel->attr.exclude_user = eu; | |
727 | evsel->attr.exclude_kernel = ek; | |
728 | evsel->attr.exclude_hv = eh; | |
729 | evsel->attr.precise_ip = precise; | |
730 | evsel->attr.exclude_host = eH; | |
731 | evsel->attr.exclude_guest = eG; | |
732 | } | |
ceb53fbf | 733 | |
61c45981 PM |
734 | return 0; |
735 | } | |
8ad8db37 | 736 | |
89812fc8 | 737 | int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) |
61c45981 | 738 | { |
89812fc8 JO |
739 | struct perf_evsel *evsel, *h; |
740 | LIST_HEAD(list); | |
741 | YY_BUFFER_STATE buffer; | |
742 | int ret, idx = evlist->nr_entries; | |
bcd3279f | 743 | |
89812fc8 | 744 | buffer = parse_events__scan_string(str); |
a21ca2ca | 745 | |
89812fc8 | 746 | ret = parse_events_parse(&list, &idx); |
bcd3279f | 747 | |
89812fc8 JO |
748 | parse_events__flush_buffer(buffer); |
749 | parse_events__delete_buffer(buffer); | |
bcd3279f | 750 | |
89812fc8 JO |
751 | if (!ret) { |
752 | int entries = idx - evlist->nr_entries; | |
753 | perf_evlist__splice_list_tail(evlist, &list, entries); | |
754 | return 0; | |
755 | } | |
bcd3279f | 756 | |
89812fc8 JO |
757 | list_for_each_entry_safe(evsel, h, &list, node) |
758 | perf_evsel__delete(evsel); | |
1b290d67 | 759 | |
89812fc8 | 760 | fprintf(stderr, "invalid or unsupported event: '%s'\n", str); |
85df6f68 | 761 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); |
bcd3279f | 762 | return ret; |
8ad8db37 IM |
763 | } |
764 | ||
f120f9d5 JO |
765 | int parse_events_option(const struct option *opt, const char *str, |
766 | int unset __used) | |
767 | { | |
768 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
769 | return parse_events(evlist, str, unset); | |
770 | } | |
771 | ||
361c99a6 | 772 | int parse_filter(const struct option *opt, const char *str, |
c171b552 LZ |
773 | int unset __used) |
774 | { | |
361c99a6 | 775 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 776 | struct perf_evsel *last = NULL; |
c171b552 | 777 | |
361c99a6 ACM |
778 | if (evlist->nr_entries > 0) |
779 | last = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
69aad6f1 ACM |
780 | |
781 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 LZ |
782 | fprintf(stderr, |
783 | "-F option should follow a -e tracepoint option\n"); | |
784 | return -1; | |
785 | } | |
786 | ||
69aad6f1 ACM |
787 | last->filter = strdup(str); |
788 | if (last->filter == NULL) { | |
c171b552 LZ |
789 | fprintf(stderr, "not enough memory to hold filter string\n"); |
790 | return -1; | |
791 | } | |
c171b552 LZ |
792 | |
793 | return 0; | |
794 | } | |
795 | ||
86847b62 | 796 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
797 | "Hardware event", |
798 | "Software event", | |
799 | "Tracepoint event", | |
800 | "Hardware cache event", | |
41bdcb23 LW |
801 | "Raw hardware event descriptor", |
802 | "Hardware breakpoint", | |
86847b62 TG |
803 | }; |
804 | ||
f6bdafef JB |
805 | /* |
806 | * Print the events from <debugfs_mount_point>/tracing/events | |
807 | */ | |
808 | ||
668b8788 | 809 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob) |
f6bdafef JB |
810 | { |
811 | DIR *sys_dir, *evt_dir; | |
812 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 813 | char evt_path[MAXPATHLEN]; |
725b1368 | 814 | char dir_path[MAXPATHLEN]; |
f6bdafef | 815 | |
ebf294bf | 816 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
817 | return; |
818 | ||
ebf294bf | 819 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 820 | if (!sys_dir) |
725b1368 | 821 | return; |
6b58e7f1 UD |
822 | |
823 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
668b8788 ACM |
824 | if (subsys_glob != NULL && |
825 | !strglobmatch(sys_dirent.d_name, subsys_glob)) | |
826 | continue; | |
725b1368 | 827 | |
ebf294bf | 828 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
829 | sys_dirent.d_name); |
830 | evt_dir = opendir(dir_path); | |
831 | if (!evt_dir) | |
6b58e7f1 | 832 | continue; |
725b1368 | 833 | |
6b58e7f1 | 834 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
668b8788 ACM |
835 | if (event_glob != NULL && |
836 | !strglobmatch(evt_dirent.d_name, event_glob)) | |
837 | continue; | |
838 | ||
f6bdafef JB |
839 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
840 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 841 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 842 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
843 | } |
844 | closedir(evt_dir); | |
845 | } | |
f6bdafef JB |
846 | closedir(sys_dir); |
847 | } | |
848 | ||
20c457b8 TR |
849 | /* |
850 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
851 | */ | |
852 | ||
853 | int is_valid_tracepoint(const char *event_string) | |
854 | { | |
855 | DIR *sys_dir, *evt_dir; | |
856 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
857 | char evt_path[MAXPATHLEN]; | |
858 | char dir_path[MAXPATHLEN]; | |
859 | ||
ebf294bf | 860 | if (debugfs_valid_mountpoint(tracing_events_path)) |
20c457b8 TR |
861 | return 0; |
862 | ||
ebf294bf | 863 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
864 | if (!sys_dir) |
865 | return 0; | |
866 | ||
867 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
868 | ||
ebf294bf | 869 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
870 | sys_dirent.d_name); |
871 | evt_dir = opendir(dir_path); | |
872 | if (!evt_dir) | |
873 | continue; | |
874 | ||
875 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
876 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
877 | sys_dirent.d_name, evt_dirent.d_name); | |
878 | if (!strcmp(evt_path, event_string)) { | |
879 | closedir(evt_dir); | |
880 | closedir(sys_dir); | |
881 | return 1; | |
882 | } | |
883 | } | |
884 | closedir(evt_dir); | |
885 | } | |
886 | closedir(sys_dir); | |
887 | return 0; | |
888 | } | |
889 | ||
668b8788 ACM |
890 | void print_events_type(u8 type) |
891 | { | |
892 | struct event_symbol *syms = event_symbols; | |
893 | unsigned int i; | |
894 | char name[64]; | |
895 | ||
896 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { | |
897 | if (type != syms->type) | |
898 | continue; | |
899 | ||
900 | if (strlen(syms->alias)) | |
901 | snprintf(name, sizeof(name), "%s OR %s", | |
902 | syms->symbol, syms->alias); | |
903 | else | |
904 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
905 | ||
947b4ad1 | 906 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
907 | event_type_descriptors[type]); |
908 | } | |
909 | } | |
910 | ||
911 | int print_hwcache_events(const char *event_glob) | |
912 | { | |
913 | unsigned int type, op, i, printed = 0; | |
914 | ||
915 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
916 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
917 | /* skip invalid cache type */ | |
918 | if (!is_cache_op_valid(type, op)) | |
919 | continue; | |
920 | ||
921 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
922 | char *name = event_cache_name(type, op, i); | |
923 | ||
947b4ad1 | 924 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
925 | continue; |
926 | ||
947b4ad1 | 927 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
928 | event_type_descriptors[PERF_TYPE_HW_CACHE]); |
929 | ++printed; | |
930 | } | |
931 | } | |
932 | } | |
933 | ||
934 | return printed; | |
935 | } | |
936 | ||
8ad8db37 | 937 | /* |
86847b62 | 938 | * Print the help text for the event symbols: |
8ad8db37 | 939 | */ |
668b8788 | 940 | void print_events(const char *event_glob) |
8ad8db37 | 941 | { |
668b8788 | 942 | unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0; |
947b4ad1 IM |
943 | struct event_symbol *syms = event_symbols; |
944 | char name[MAX_NAME_LEN]; | |
8ad8db37 | 945 | |
689d3018 MR |
946 | printf("\n"); |
947 | printf("List of pre-defined events (to be used in -e):\n"); | |
8ad8db37 | 948 | |
86847b62 | 949 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { |
41bdcb23 | 950 | type = syms->type; |
8ad8db37 | 951 | |
668b8788 | 952 | if (type != prev_type && printed) { |
689d3018 | 953 | printf("\n"); |
668b8788 ACM |
954 | printed = 0; |
955 | ntypes_printed++; | |
956 | } | |
957 | ||
958 | if (event_glob != NULL && | |
959 | !(strglobmatch(syms->symbol, event_glob) || | |
960 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
961 | continue; | |
8ad8db37 | 962 | |
74d5b588 | 963 | if (strlen(syms->alias)) |
947b4ad1 | 964 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 965 | else |
947b4ad1 IM |
966 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
967 | printf(" %-50s [%s]\n", name, | |
86847b62 | 968 | event_type_descriptors[type]); |
8ad8db37 | 969 | |
86847b62 | 970 | prev_type = type; |
668b8788 | 971 | ++printed; |
8ad8db37 IM |
972 | } |
973 | ||
668b8788 ACM |
974 | if (ntypes_printed) { |
975 | printed = 0; | |
976 | printf("\n"); | |
73c24cb8 | 977 | } |
668b8788 ACM |
978 | print_hwcache_events(event_glob); |
979 | ||
980 | if (event_glob != NULL) | |
981 | return; | |
73c24cb8 | 982 | |
689d3018 | 983 | printf("\n"); |
947b4ad1 | 984 | printf(" %-50s [%s]\n", |
5f537a26 JO |
985 | "rNNN", |
986 | event_type_descriptors[PERF_TYPE_RAW]); | |
987 | printf(" %-50s [%s]\n", | |
988 | "cpu/t1=v1[,t2=v2,t3 ...]/modifier", | |
1cf4a063 | 989 | event_type_descriptors[PERF_TYPE_RAW]); |
5f537a26 | 990 | printf(" (see 'perf list --help' on how to encode it)\n"); |
689d3018 | 991 | printf("\n"); |
86847b62 | 992 | |
947b4ad1 | 993 | printf(" %-50s [%s]\n", |
41bdcb23 LW |
994 | "mem:<addr>[:access]", |
995 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); | |
1b290d67 FW |
996 | printf("\n"); |
997 | ||
668b8788 | 998 | print_tracepoint_events(NULL, NULL); |
8ad8db37 | 999 | } |
8f707d84 JO |
1000 | |
1001 | int parse_events__is_hardcoded_term(struct parse_events__term *term) | |
1002 | { | |
1003 | return term->type <= PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX; | |
1004 | } | |
1005 | ||
1006 | int parse_events__new_term(struct parse_events__term **_term, int type, | |
1007 | char *config, char *str, long num) | |
1008 | { | |
1009 | struct parse_events__term *term; | |
1010 | ||
1011 | term = zalloc(sizeof(*term)); | |
1012 | if (!term) | |
1013 | return -ENOMEM; | |
1014 | ||
1015 | INIT_LIST_HEAD(&term->list); | |
1016 | term->type = type; | |
1017 | term->config = config; | |
1018 | ||
1019 | switch (type) { | |
1020 | case PARSE_EVENTS__TERM_TYPE_CONFIG: | |
1021 | case PARSE_EVENTS__TERM_TYPE_CONFIG1: | |
1022 | case PARSE_EVENTS__TERM_TYPE_CONFIG2: | |
1023 | case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: | |
1024 | case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: | |
1025 | case PARSE_EVENTS__TERM_TYPE_NUM: | |
1026 | term->val.num = num; | |
1027 | break; | |
1028 | case PARSE_EVENTS__TERM_TYPE_STR: | |
1029 | term->val.str = str; | |
1030 | break; | |
1031 | default: | |
1032 | return -EINVAL; | |
1033 | } | |
1034 | ||
1035 | *_term = term; | |
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | void parse_events__free_terms(struct list_head *terms) | |
1040 | { | |
1041 | struct parse_events__term *term, *h; | |
1042 | ||
1043 | list_for_each_entry_safe(term, h, terms, list) | |
1044 | free(term); | |
1045 | ||
1046 | free(terms); | |
1047 | } |