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Commit | Line | Data |
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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" |
8ad8db37 | 14 | |
8ad8db37 | 15 | struct event_symbol { |
83a0944f IM |
16 | u8 type; |
17 | u64 config; | |
18 | const char *symbol; | |
19 | const char *alias; | |
8ad8db37 IM |
20 | }; |
21 | ||
bcd3279f FW |
22 | enum event_result { |
23 | EVT_FAILED, | |
24 | EVT_HANDLED, | |
25 | EVT_HANDLED_ALL | |
26 | }; | |
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; | |
f6bdafef | 168 | char id_buf[4]; |
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 | ||
83a0944f | 357 | static int parse_aliases(const char **str, const char *names[][MAX_ALIASES], int size) |
8326f44d IM |
358 | { |
359 | int i, j; | |
61c45981 | 360 | int n, longest = -1; |
8326f44d IM |
361 | |
362 | for (i = 0; i < size; i++) { | |
61c45981 PM |
363 | for (j = 0; j < MAX_ALIASES && names[i][j]; j++) { |
364 | n = strlen(names[i][j]); | |
365 | if (n > longest && !strncasecmp(*str, names[i][j], n)) | |
366 | longest = n; | |
367 | } | |
368 | if (longest > 0) { | |
369 | *str += longest; | |
370 | return i; | |
8326f44d IM |
371 | } |
372 | } | |
373 | ||
8953645f | 374 | return -1; |
8326f44d IM |
375 | } |
376 | ||
bcd3279f | 377 | static enum event_result |
cdd6c482 | 378 | parse_generic_hw_event(const char **str, struct perf_event_attr *attr) |
8326f44d | 379 | { |
61c45981 PM |
380 | const char *s = *str; |
381 | int cache_type = -1, cache_op = -1, cache_result = -1; | |
8326f44d | 382 | |
61c45981 | 383 | cache_type = parse_aliases(&s, hw_cache, PERF_COUNT_HW_CACHE_MAX); |
8326f44d IM |
384 | /* |
385 | * No fallback - if we cannot get a clear cache type | |
386 | * then bail out: | |
387 | */ | |
388 | if (cache_type == -1) | |
bcd3279f | 389 | return EVT_FAILED; |
61c45981 PM |
390 | |
391 | while ((cache_op == -1 || cache_result == -1) && *s == '-') { | |
392 | ++s; | |
393 | ||
394 | if (cache_op == -1) { | |
395 | cache_op = parse_aliases(&s, hw_cache_op, | |
396 | PERF_COUNT_HW_CACHE_OP_MAX); | |
397 | if (cache_op >= 0) { | |
398 | if (!is_cache_op_valid(cache_type, cache_op)) | |
0111919d | 399 | return EVT_FAILED; |
61c45981 PM |
400 | continue; |
401 | } | |
402 | } | |
403 | ||
404 | if (cache_result == -1) { | |
405 | cache_result = parse_aliases(&s, hw_cache_result, | |
406 | PERF_COUNT_HW_CACHE_RESULT_MAX); | |
407 | if (cache_result >= 0) | |
408 | continue; | |
409 | } | |
410 | ||
411 | /* | |
412 | * Can't parse this as a cache op or result, so back up | |
413 | * to the '-'. | |
414 | */ | |
415 | --s; | |
416 | break; | |
417 | } | |
8326f44d | 418 | |
8326f44d IM |
419 | /* |
420 | * Fall back to reads: | |
421 | */ | |
8953645f IM |
422 | if (cache_op == -1) |
423 | cache_op = PERF_COUNT_HW_CACHE_OP_READ; | |
8326f44d | 424 | |
8326f44d IM |
425 | /* |
426 | * Fall back to accesses: | |
427 | */ | |
428 | if (cache_result == -1) | |
429 | cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; | |
430 | ||
431 | attr->config = cache_type | (cache_op << 8) | (cache_result << 16); | |
432 | attr->type = PERF_TYPE_HW_CACHE; | |
433 | ||
61c45981 | 434 | *str = s; |
bcd3279f FW |
435 | return EVT_HANDLED; |
436 | } | |
437 | ||
438 | static enum event_result | |
439 | parse_single_tracepoint_event(char *sys_name, | |
440 | const char *evt_name, | |
441 | unsigned int evt_length, | |
cdd6c482 | 442 | struct perf_event_attr *attr, |
bcd3279f FW |
443 | const char **strp) |
444 | { | |
445 | char evt_path[MAXPATHLEN]; | |
446 | char id_buf[4]; | |
447 | u64 id; | |
448 | int fd; | |
449 | ||
ebf294bf | 450 | snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
bcd3279f FW |
451 | sys_name, evt_name); |
452 | ||
453 | fd = open(evt_path, O_RDONLY); | |
454 | if (fd < 0) | |
455 | return EVT_FAILED; | |
456 | ||
457 | if (read(fd, id_buf, sizeof(id_buf)) < 0) { | |
458 | close(fd); | |
459 | return EVT_FAILED; | |
460 | } | |
461 | ||
462 | close(fd); | |
463 | id = atoll(id_buf); | |
464 | attr->config = id; | |
465 | attr->type = PERF_TYPE_TRACEPOINT; | |
4c635a4e | 466 | *strp += strlen(sys_name) + evt_length + 1; /* + 1 for the ':' */ |
bcd3279f | 467 | |
5710fcad SE |
468 | attr->sample_type |= PERF_SAMPLE_RAW; |
469 | attr->sample_type |= PERF_SAMPLE_TIME; | |
470 | attr->sample_type |= PERF_SAMPLE_CPU; | |
471 | ||
472 | attr->sample_period = 1; | |
473 | ||
474 | ||
bcd3279f | 475 | return EVT_HANDLED; |
8326f44d IM |
476 | } |
477 | ||
bcd3279f FW |
478 | /* sys + ':' + event + ':' + flags*/ |
479 | #define MAX_EVOPT_LEN (MAX_EVENT_LENGTH * 2 + 2 + 128) | |
480 | static enum event_result | |
f120f9d5 | 481 | parse_multiple_tracepoint_event(struct perf_evlist *evlist, char *sys_name, |
17ea1b70 | 482 | const char *evt_exp, char *flags) |
bcd3279f FW |
483 | { |
484 | char evt_path[MAXPATHLEN]; | |
485 | struct dirent *evt_ent; | |
486 | DIR *evt_dir; | |
487 | ||
ebf294bf | 488 | snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
bcd3279f FW |
489 | evt_dir = opendir(evt_path); |
490 | ||
491 | if (!evt_dir) { | |
492 | perror("Can't open event dir"); | |
493 | return EVT_FAILED; | |
494 | } | |
495 | ||
496 | while ((evt_ent = readdir(evt_dir))) { | |
497 | char event_opt[MAX_EVOPT_LEN + 1]; | |
498 | int len; | |
bcd3279f FW |
499 | |
500 | if (!strcmp(evt_ent->d_name, ".") | |
501 | || !strcmp(evt_ent->d_name, "..") | |
502 | || !strcmp(evt_ent->d_name, "enable") | |
503 | || !strcmp(evt_ent->d_name, "filter")) | |
504 | continue; | |
505 | ||
fb1d2edf MH |
506 | if (!strglobmatch(evt_ent->d_name, evt_exp)) |
507 | continue; | |
508 | ||
180570fd UD |
509 | len = snprintf(event_opt, MAX_EVOPT_LEN, "%s:%s%s%s", sys_name, |
510 | evt_ent->d_name, flags ? ":" : "", | |
511 | flags ?: ""); | |
bcd3279f FW |
512 | if (len < 0) |
513 | return EVT_FAILED; | |
514 | ||
f120f9d5 | 515 | if (parse_events(evlist, event_opt, 0)) |
bcd3279f FW |
516 | return EVT_FAILED; |
517 | } | |
518 | ||
519 | return EVT_HANDLED_ALL; | |
520 | } | |
521 | ||
17ea1b70 | 522 | static enum event_result |
f120f9d5 | 523 | parse_tracepoint_event(struct perf_evlist *evlist, const char **strp, |
17ea1b70 | 524 | struct perf_event_attr *attr) |
f6bdafef JB |
525 | { |
526 | const char *evt_name; | |
4c635a4e | 527 | char *flags = NULL, *comma_loc; |
f6bdafef | 528 | char sys_name[MAX_EVENT_LENGTH]; |
f6bdafef | 529 | unsigned int sys_length, evt_length; |
f6bdafef | 530 | |
ebf294bf | 531 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
532 | return 0; |
533 | ||
534 | evt_name = strchr(*strp, ':'); | |
535 | if (!evt_name) | |
bcd3279f | 536 | return EVT_FAILED; |
f6bdafef JB |
537 | |
538 | sys_length = evt_name - *strp; | |
539 | if (sys_length >= MAX_EVENT_LENGTH) | |
540 | return 0; | |
541 | ||
542 | strncpy(sys_name, *strp, sys_length); | |
543 | sys_name[sys_length] = '\0'; | |
544 | evt_name = evt_name + 1; | |
3a9f131f | 545 | |
4c635a4e CA |
546 | comma_loc = strchr(evt_name, ','); |
547 | if (comma_loc) { | |
548 | /* take the event name up to the comma */ | |
549 | evt_name = strndup(evt_name, comma_loc - evt_name); | |
550 | } | |
3a9f131f FW |
551 | flags = strchr(evt_name, ':'); |
552 | if (flags) { | |
1fc35b29 IM |
553 | /* split it out: */ |
554 | evt_name = strndup(evt_name, flags - evt_name); | |
3a9f131f | 555 | flags++; |
3a9f131f FW |
556 | } |
557 | ||
f6bdafef JB |
558 | evt_length = strlen(evt_name); |
559 | if (evt_length >= MAX_EVENT_LENGTH) | |
bcd3279f | 560 | return EVT_FAILED; |
fb1d2edf | 561 | if (strpbrk(evt_name, "*?")) { |
dd9a9ad5 | 562 | *strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */ |
f120f9d5 JO |
563 | return parse_multiple_tracepoint_event(evlist, sys_name, |
564 | evt_name, flags); | |
f006d25a | 565 | } else { |
bcd3279f | 566 | return parse_single_tracepoint_event(sys_name, evt_name, |
bdef3b02 | 567 | evt_length, attr, strp); |
f006d25a | 568 | } |
f6bdafef JB |
569 | } |
570 | ||
1b290d67 FW |
571 | static enum event_result |
572 | parse_breakpoint_type(const char *type, const char **strp, | |
573 | struct perf_event_attr *attr) | |
574 | { | |
575 | int i; | |
576 | ||
577 | for (i = 0; i < 3; i++) { | |
578 | if (!type[i]) | |
579 | break; | |
580 | ||
581 | switch (type[i]) { | |
582 | case 'r': | |
583 | attr->bp_type |= HW_BREAKPOINT_R; | |
584 | break; | |
585 | case 'w': | |
586 | attr->bp_type |= HW_BREAKPOINT_W; | |
587 | break; | |
588 | case 'x': | |
589 | attr->bp_type |= HW_BREAKPOINT_X; | |
590 | break; | |
591 | default: | |
592 | return EVT_FAILED; | |
593 | } | |
594 | } | |
595 | if (!attr->bp_type) /* Default */ | |
596 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
597 | ||
598 | *strp = type + i; | |
599 | ||
600 | return EVT_HANDLED; | |
601 | } | |
602 | ||
603 | static enum event_result | |
604 | parse_breakpoint_event(const char **strp, struct perf_event_attr *attr) | |
605 | { | |
606 | const char *target; | |
607 | const char *type; | |
608 | char *endaddr; | |
609 | u64 addr; | |
610 | enum event_result err; | |
611 | ||
612 | target = strchr(*strp, ':'); | |
613 | if (!target) | |
614 | return EVT_FAILED; | |
615 | ||
616 | if (strncmp(*strp, "mem", target - *strp) != 0) | |
617 | return EVT_FAILED; | |
618 | ||
619 | target++; | |
620 | ||
621 | addr = strtoull(target, &endaddr, 0); | |
622 | if (target == endaddr) | |
623 | return EVT_FAILED; | |
624 | ||
625 | attr->bp_addr = addr; | |
626 | *strp = endaddr; | |
627 | ||
628 | type = strchr(target, ':'); | |
629 | ||
630 | /* If no type is defined, just rw as default */ | |
631 | if (!type) { | |
632 | attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; | |
633 | } else { | |
634 | err = parse_breakpoint_type(++type, strp, attr); | |
635 | if (err == EVT_FAILED) | |
636 | return EVT_FAILED; | |
637 | } | |
638 | ||
aa59a485 FW |
639 | /* |
640 | * We should find a nice way to override the access length | |
641 | * Provide some defaults for now | |
642 | */ | |
643 | if (attr->bp_type == HW_BREAKPOINT_X) | |
644 | attr->bp_len = sizeof(long); | |
645 | else | |
646 | attr->bp_len = HW_BREAKPOINT_LEN_4; | |
647 | ||
1b290d67 FW |
648 | attr->type = PERF_TYPE_BREAKPOINT; |
649 | ||
650 | return EVT_HANDLED; | |
651 | } | |
652 | ||
74d5b588 JSR |
653 | static int check_events(const char *str, unsigned int i) |
654 | { | |
61c45981 | 655 | int n; |
74d5b588 | 656 | |
61c45981 | 657 | n = strlen(event_symbols[i].symbol); |
b908debd | 658 | if (!strncasecmp(str, event_symbols[i].symbol, n)) |
61c45981 PM |
659 | return n; |
660 | ||
661 | n = strlen(event_symbols[i].alias); | |
b908debd IM |
662 | if (n) { |
663 | if (!strncasecmp(str, event_symbols[i].alias, n)) | |
61c45981 | 664 | return n; |
b908debd IM |
665 | } |
666 | ||
74d5b588 JSR |
667 | return 0; |
668 | } | |
669 | ||
bcd3279f | 670 | static enum event_result |
cdd6c482 | 671 | parse_symbolic_event(const char **strp, struct perf_event_attr *attr) |
8ad8db37 | 672 | { |
61c45981 | 673 | const char *str = *strp; |
8ad8db37 | 674 | unsigned int i; |
61c45981 | 675 | int n; |
8ad8db37 | 676 | |
61c45981 PM |
677 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++) { |
678 | n = check_events(str, i); | |
679 | if (n > 0) { | |
680 | attr->type = event_symbols[i].type; | |
681 | attr->config = event_symbols[i].config; | |
682 | *strp = str + n; | |
bcd3279f | 683 | return EVT_HANDLED; |
61c45981 PM |
684 | } |
685 | } | |
bcd3279f | 686 | return EVT_FAILED; |
61c45981 PM |
687 | } |
688 | ||
bcd3279f | 689 | static enum event_result |
cdd6c482 | 690 | parse_raw_event(const char **strp, struct perf_event_attr *attr) |
61c45981 PM |
691 | { |
692 | const char *str = *strp; | |
693 | u64 config; | |
694 | int n; | |
a21ca2ca | 695 | |
61c45981 | 696 | if (*str != 'r') |
bcd3279f | 697 | return EVT_FAILED; |
61c45981 PM |
698 | n = hex2u64(str + 1, &config); |
699 | if (n > 0) { | |
777d1d71 SE |
700 | const char *end = str + n + 1; |
701 | if (*end != '\0' && *end != ',' && *end != ':') | |
702 | return EVT_FAILED; | |
703 | ||
704 | *strp = end; | |
61c45981 PM |
705 | attr->type = PERF_TYPE_RAW; |
706 | attr->config = config; | |
bcd3279f | 707 | return EVT_HANDLED; |
a21ca2ca | 708 | } |
bcd3279f | 709 | return EVT_FAILED; |
61c45981 | 710 | } |
8ad8db37 | 711 | |
bcd3279f | 712 | static enum event_result |
cdd6c482 | 713 | parse_numeric_event(const char **strp, struct perf_event_attr *attr) |
61c45981 PM |
714 | { |
715 | const char *str = *strp; | |
716 | char *endp; | |
717 | unsigned long type; | |
718 | u64 config; | |
719 | ||
720 | type = strtoul(str, &endp, 0); | |
721 | if (endp > str && type < PERF_TYPE_MAX && *endp == ':') { | |
722 | str = endp + 1; | |
723 | config = strtoul(str, &endp, 0); | |
724 | if (endp > str) { | |
725 | attr->type = type; | |
726 | attr->config = config; | |
727 | *strp = endp; | |
bcd3279f | 728 | return EVT_HANDLED; |
a0055ae2 | 729 | } |
61c45981 | 730 | } |
bcd3279f | 731 | return EVT_FAILED; |
61c45981 PM |
732 | } |
733 | ||
ceb53fbf | 734 | static int |
cdd6c482 | 735 | parse_event_modifier(const char **strp, struct perf_event_attr *attr) |
61c45981 PM |
736 | { |
737 | const char *str = *strp; | |
99320cc8 JR |
738 | int exclude = 0, exclude_GH = 0; |
739 | int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; | |
a21ca2ca | 740 | |
ceb53fbf | 741 | if (!*str) |
a21ca2ca | 742 | return 0; |
ceb53fbf | 743 | |
94692349 SE |
744 | if (*str == ',') |
745 | return 0; | |
746 | ||
ceb53fbf IM |
747 | if (*str++ != ':') |
748 | return -1; | |
749 | ||
61c45981 | 750 | while (*str) { |
ab608344 PZ |
751 | if (*str == 'u') { |
752 | if (!exclude) | |
753 | exclude = eu = ek = eh = 1; | |
61c45981 | 754 | eu = 0; |
ab608344 PZ |
755 | } else if (*str == 'k') { |
756 | if (!exclude) | |
757 | exclude = eu = ek = eh = 1; | |
61c45981 | 758 | ek = 0; |
ab608344 PZ |
759 | } else if (*str == 'h') { |
760 | if (!exclude) | |
761 | exclude = eu = ek = eh = 1; | |
61c45981 | 762 | eh = 0; |
99320cc8 JR |
763 | } else if (*str == 'G') { |
764 | if (!exclude_GH) | |
765 | exclude_GH = eG = eH = 1; | |
766 | eG = 0; | |
767 | } else if (*str == 'H') { | |
768 | if (!exclude_GH) | |
769 | exclude_GH = eG = eH = 1; | |
770 | eH = 0; | |
ab608344 PZ |
771 | } else if (*str == 'p') { |
772 | precise++; | |
773 | } else | |
61c45981 | 774 | break; |
ab608344 | 775 | |
61c45981 | 776 | ++str; |
5242519b | 777 | } |
ceb53fbf IM |
778 | if (str < *strp + 2) |
779 | return -1; | |
780 | ||
781 | *strp = str; | |
782 | ||
783 | attr->exclude_user = eu; | |
784 | attr->exclude_kernel = ek; | |
785 | attr->exclude_hv = eh; | |
786 | attr->precise_ip = precise; | |
99320cc8 JR |
787 | attr->exclude_host = eH; |
788 | attr->exclude_guest = eG; | |
ceb53fbf | 789 | |
61c45981 PM |
790 | return 0; |
791 | } | |
8ad8db37 | 792 | |
61c45981 PM |
793 | /* |
794 | * Each event can have multiple symbolic names. | |
795 | * Symbolic names are (almost) exactly matched. | |
796 | */ | |
bcd3279f | 797 | static enum event_result |
f120f9d5 | 798 | parse_event_symbols(struct perf_evlist *evlist, const char **str, |
17ea1b70 | 799 | struct perf_event_attr *attr) |
61c45981 | 800 | { |
bcd3279f FW |
801 | enum event_result ret; |
802 | ||
f120f9d5 | 803 | ret = parse_tracepoint_event(evlist, str, attr); |
bcd3279f FW |
804 | if (ret != EVT_FAILED) |
805 | goto modifier; | |
806 | ||
807 | ret = parse_raw_event(str, attr); | |
808 | if (ret != EVT_FAILED) | |
809 | goto modifier; | |
a21ca2ca | 810 | |
bcd3279f FW |
811 | ret = parse_numeric_event(str, attr); |
812 | if (ret != EVT_FAILED) | |
813 | goto modifier; | |
814 | ||
815 | ret = parse_symbolic_event(str, attr); | |
816 | if (ret != EVT_FAILED) | |
817 | goto modifier; | |
818 | ||
819 | ret = parse_generic_hw_event(str, attr); | |
820 | if (ret != EVT_FAILED) | |
821 | goto modifier; | |
822 | ||
1b290d67 FW |
823 | ret = parse_breakpoint_event(str, attr); |
824 | if (ret != EVT_FAILED) | |
825 | goto modifier; | |
826 | ||
85df6f68 MR |
827 | fprintf(stderr, "invalid or unsupported event: '%s'\n", *str); |
828 | fprintf(stderr, "Run 'perf list' for a list of valid events\n"); | |
bcd3279f FW |
829 | return EVT_FAILED; |
830 | ||
831 | modifier: | |
ceb53fbf IM |
832 | if (parse_event_modifier(str, attr) < 0) { |
833 | fprintf(stderr, "invalid event modifier: '%s'\n", *str); | |
834 | fprintf(stderr, "Run 'perf list' for a list of valid events and modifiers\n"); | |
835 | ||
836 | return EVT_FAILED; | |
837 | } | |
8ad8db37 | 838 | |
bcd3279f | 839 | return ret; |
8ad8db37 IM |
840 | } |
841 | ||
f120f9d5 | 842 | int parse_events(struct perf_evlist *evlist , const char *str, int unset __used) |
8ad8db37 | 843 | { |
cdd6c482 | 844 | struct perf_event_attr attr; |
bcd3279f | 845 | enum event_result ret; |
f0c55bcf | 846 | const char *ostr; |
8ad8db37 | 847 | |
61c45981 | 848 | for (;;) { |
f0c55bcf | 849 | ostr = str; |
61c45981 | 850 | memset(&attr, 0, sizeof(attr)); |
1aed2671 | 851 | event_attr_init(&attr); |
f120f9d5 | 852 | ret = parse_event_symbols(evlist, &str, &attr); |
bcd3279f | 853 | if (ret == EVT_FAILED) |
61c45981 | 854 | return -1; |
8ad8db37 | 855 | |
61c45981 PM |
856 | if (!(*str == 0 || *str == ',' || isspace(*str))) |
857 | return -1; | |
8ad8db37 | 858 | |
bcd3279f | 859 | if (ret != EVT_HANDLED_ALL) { |
69aad6f1 | 860 | struct perf_evsel *evsel; |
361c99a6 | 861 | evsel = perf_evsel__new(&attr, evlist->nr_entries); |
69aad6f1 ACM |
862 | if (evsel == NULL) |
863 | return -1; | |
361c99a6 | 864 | perf_evlist__add(evlist, evsel); |
f0c55bcf SE |
865 | |
866 | evsel->name = calloc(str - ostr + 1, 1); | |
867 | if (!evsel->name) | |
868 | return -1; | |
869 | strncpy(evsel->name, ostr, str - ostr); | |
bcd3279f | 870 | } |
8ad8db37 | 871 | |
61c45981 PM |
872 | if (*str == 0) |
873 | break; | |
874 | if (*str == ',') | |
875 | ++str; | |
876 | while (isspace(*str)) | |
877 | ++str; | |
8ad8db37 IM |
878 | } |
879 | ||
880 | return 0; | |
881 | } | |
882 | ||
f120f9d5 JO |
883 | int parse_events_option(const struct option *opt, const char *str, |
884 | int unset __used) | |
885 | { | |
886 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; | |
887 | return parse_events(evlist, str, unset); | |
888 | } | |
889 | ||
361c99a6 | 890 | int parse_filter(const struct option *opt, const char *str, |
c171b552 LZ |
891 | int unset __used) |
892 | { | |
361c99a6 | 893 | struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
69aad6f1 | 894 | struct perf_evsel *last = NULL; |
c171b552 | 895 | |
361c99a6 ACM |
896 | if (evlist->nr_entries > 0) |
897 | last = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
69aad6f1 ACM |
898 | |
899 | if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { | |
c171b552 LZ |
900 | fprintf(stderr, |
901 | "-F option should follow a -e tracepoint option\n"); | |
902 | return -1; | |
903 | } | |
904 | ||
69aad6f1 ACM |
905 | last->filter = strdup(str); |
906 | if (last->filter == NULL) { | |
c171b552 LZ |
907 | fprintf(stderr, "not enough memory to hold filter string\n"); |
908 | return -1; | |
909 | } | |
c171b552 LZ |
910 | |
911 | return 0; | |
912 | } | |
913 | ||
86847b62 | 914 | static const char * const event_type_descriptors[] = { |
86847b62 TG |
915 | "Hardware event", |
916 | "Software event", | |
917 | "Tracepoint event", | |
918 | "Hardware cache event", | |
41bdcb23 LW |
919 | "Raw hardware event descriptor", |
920 | "Hardware breakpoint", | |
86847b62 TG |
921 | }; |
922 | ||
f6bdafef JB |
923 | /* |
924 | * Print the events from <debugfs_mount_point>/tracing/events | |
925 | */ | |
926 | ||
668b8788 | 927 | void print_tracepoint_events(const char *subsys_glob, const char *event_glob) |
f6bdafef JB |
928 | { |
929 | DIR *sys_dir, *evt_dir; | |
930 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
f6bdafef | 931 | char evt_path[MAXPATHLEN]; |
725b1368 | 932 | char dir_path[MAXPATHLEN]; |
f6bdafef | 933 | |
ebf294bf | 934 | if (debugfs_valid_mountpoint(tracing_events_path)) |
f6bdafef JB |
935 | return; |
936 | ||
ebf294bf | 937 | sys_dir = opendir(tracing_events_path); |
f6bdafef | 938 | if (!sys_dir) |
725b1368 | 939 | return; |
6b58e7f1 UD |
940 | |
941 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
668b8788 ACM |
942 | if (subsys_glob != NULL && |
943 | !strglobmatch(sys_dirent.d_name, subsys_glob)) | |
944 | continue; | |
725b1368 | 945 | |
ebf294bf | 946 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
725b1368 ED |
947 | sys_dirent.d_name); |
948 | evt_dir = opendir(dir_path); | |
949 | if (!evt_dir) | |
6b58e7f1 | 950 | continue; |
725b1368 | 951 | |
6b58e7f1 | 952 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
668b8788 ACM |
953 | if (event_glob != NULL && |
954 | !strglobmatch(evt_dirent.d_name, event_glob)) | |
955 | continue; | |
956 | ||
f6bdafef JB |
957 | snprintf(evt_path, MAXPATHLEN, "%s:%s", |
958 | sys_dirent.d_name, evt_dirent.d_name); | |
947b4ad1 | 959 | printf(" %-50s [%s]\n", evt_path, |
41bdcb23 | 960 | event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
f6bdafef JB |
961 | } |
962 | closedir(evt_dir); | |
963 | } | |
f6bdafef JB |
964 | closedir(sys_dir); |
965 | } | |
966 | ||
20c457b8 TR |
967 | /* |
968 | * Check whether event is in <debugfs_mount_point>/tracing/events | |
969 | */ | |
970 | ||
971 | int is_valid_tracepoint(const char *event_string) | |
972 | { | |
973 | DIR *sys_dir, *evt_dir; | |
974 | struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; | |
975 | char evt_path[MAXPATHLEN]; | |
976 | char dir_path[MAXPATHLEN]; | |
977 | ||
ebf294bf | 978 | if (debugfs_valid_mountpoint(tracing_events_path)) |
20c457b8 TR |
979 | return 0; |
980 | ||
ebf294bf | 981 | sys_dir = opendir(tracing_events_path); |
20c457b8 TR |
982 | if (!sys_dir) |
983 | return 0; | |
984 | ||
985 | for_each_subsystem(sys_dir, sys_dirent, sys_next) { | |
986 | ||
ebf294bf | 987 | snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
20c457b8 TR |
988 | sys_dirent.d_name); |
989 | evt_dir = opendir(dir_path); | |
990 | if (!evt_dir) | |
991 | continue; | |
992 | ||
993 | for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { | |
994 | snprintf(evt_path, MAXPATHLEN, "%s:%s", | |
995 | sys_dirent.d_name, evt_dirent.d_name); | |
996 | if (!strcmp(evt_path, event_string)) { | |
997 | closedir(evt_dir); | |
998 | closedir(sys_dir); | |
999 | return 1; | |
1000 | } | |
1001 | } | |
1002 | closedir(evt_dir); | |
1003 | } | |
1004 | closedir(sys_dir); | |
1005 | return 0; | |
1006 | } | |
1007 | ||
668b8788 ACM |
1008 | void print_events_type(u8 type) |
1009 | { | |
1010 | struct event_symbol *syms = event_symbols; | |
1011 | unsigned int i; | |
1012 | char name[64]; | |
1013 | ||
1014 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { | |
1015 | if (type != syms->type) | |
1016 | continue; | |
1017 | ||
1018 | if (strlen(syms->alias)) | |
1019 | snprintf(name, sizeof(name), "%s OR %s", | |
1020 | syms->symbol, syms->alias); | |
1021 | else | |
1022 | snprintf(name, sizeof(name), "%s", syms->symbol); | |
1023 | ||
947b4ad1 | 1024 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
1025 | event_type_descriptors[type]); |
1026 | } | |
1027 | } | |
1028 | ||
1029 | int print_hwcache_events(const char *event_glob) | |
1030 | { | |
1031 | unsigned int type, op, i, printed = 0; | |
1032 | ||
1033 | for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { | |
1034 | for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { | |
1035 | /* skip invalid cache type */ | |
1036 | if (!is_cache_op_valid(type, op)) | |
1037 | continue; | |
1038 | ||
1039 | for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { | |
1040 | char *name = event_cache_name(type, op, i); | |
1041 | ||
947b4ad1 | 1042 | if (event_glob != NULL && !strglobmatch(name, event_glob)) |
668b8788 ACM |
1043 | continue; |
1044 | ||
947b4ad1 | 1045 | printf(" %-50s [%s]\n", name, |
668b8788 ACM |
1046 | event_type_descriptors[PERF_TYPE_HW_CACHE]); |
1047 | ++printed; | |
1048 | } | |
1049 | } | |
1050 | } | |
1051 | ||
1052 | return printed; | |
1053 | } | |
1054 | ||
947b4ad1 IM |
1055 | #define MAX_NAME_LEN 100 |
1056 | ||
8ad8db37 | 1057 | /* |
86847b62 | 1058 | * Print the help text for the event symbols: |
8ad8db37 | 1059 | */ |
668b8788 | 1060 | void print_events(const char *event_glob) |
8ad8db37 | 1061 | { |
668b8788 | 1062 | unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0; |
947b4ad1 IM |
1063 | struct event_symbol *syms = event_symbols; |
1064 | char name[MAX_NAME_LEN]; | |
8ad8db37 | 1065 | |
689d3018 MR |
1066 | printf("\n"); |
1067 | printf("List of pre-defined events (to be used in -e):\n"); | |
8ad8db37 | 1068 | |
86847b62 | 1069 | for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) { |
41bdcb23 | 1070 | type = syms->type; |
8ad8db37 | 1071 | |
668b8788 | 1072 | if (type != prev_type && printed) { |
689d3018 | 1073 | printf("\n"); |
668b8788 ACM |
1074 | printed = 0; |
1075 | ntypes_printed++; | |
1076 | } | |
1077 | ||
1078 | if (event_glob != NULL && | |
1079 | !(strglobmatch(syms->symbol, event_glob) || | |
1080 | (syms->alias && strglobmatch(syms->alias, event_glob)))) | |
1081 | continue; | |
8ad8db37 | 1082 | |
74d5b588 | 1083 | if (strlen(syms->alias)) |
947b4ad1 | 1084 | snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
74d5b588 | 1085 | else |
947b4ad1 IM |
1086 | strncpy(name, syms->symbol, MAX_NAME_LEN); |
1087 | printf(" %-50s [%s]\n", name, | |
86847b62 | 1088 | event_type_descriptors[type]); |
8ad8db37 | 1089 | |
86847b62 | 1090 | prev_type = type; |
668b8788 | 1091 | ++printed; |
8ad8db37 IM |
1092 | } |
1093 | ||
668b8788 ACM |
1094 | if (ntypes_printed) { |
1095 | printed = 0; | |
1096 | printf("\n"); | |
73c24cb8 | 1097 | } |
668b8788 ACM |
1098 | print_hwcache_events(event_glob); |
1099 | ||
1100 | if (event_glob != NULL) | |
1101 | return; | |
73c24cb8 | 1102 | |
689d3018 | 1103 | printf("\n"); |
947b4ad1 | 1104 | printf(" %-50s [%s]\n", |
1cf4a063 ACM |
1105 | "rNNN (see 'perf list --help' on how to encode it)", |
1106 | event_type_descriptors[PERF_TYPE_RAW]); | |
689d3018 | 1107 | printf("\n"); |
86847b62 | 1108 | |
947b4ad1 | 1109 | printf(" %-50s [%s]\n", |
41bdcb23 LW |
1110 | "mem:<addr>[:access]", |
1111 | event_type_descriptors[PERF_TYPE_BREAKPOINT]); | |
1b290d67 FW |
1112 | printf("\n"); |
1113 | ||
668b8788 | 1114 | print_tracepoint_events(NULL, NULL); |
8ad8db37 | 1115 | } |