]>
Commit | Line | Data |
---|---|---|
5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
b7eead86 | 3 | #include "perf.h" |
5f9c39dc | 4 | #include "util/cache.h" |
b7eead86 AG |
5 | #include "util/debug.h" |
6 | #include "util/exec_cmd.h" | |
7 | #include "util/header.h" | |
8 | #include "util/parse-options.h" | |
9 | #include "util/session.h" | |
5f9c39dc FW |
10 | #include "util/symbol.h" |
11 | #include "util/thread.h" | |
cf72344d | 12 | #include "util/trace-event.h" |
34c86ea9 | 13 | #include "util/parse-options.h" |
b7eead86 | 14 | #include "util/util.h" |
5f9c39dc | 15 | |
956ffd02 TZ |
16 | static char const *script_name; |
17 | static char const *generate_script_lang; | |
ffabd99e | 18 | static bool debug_mode; |
e1889d75 | 19 | static u64 last_timestamp; |
6fcf7ddb | 20 | static u64 nr_unordered; |
34c86ea9 | 21 | extern const struct option record_options[]; |
c0230b2b | 22 | static bool no_callchain; |
956ffd02 | 23 | |
745f43e3 DA |
24 | enum perf_output_field { |
25 | PERF_OUTPUT_COMM = 1U << 0, | |
26 | PERF_OUTPUT_TID = 1U << 1, | |
27 | PERF_OUTPUT_PID = 1U << 2, | |
28 | PERF_OUTPUT_TIME = 1U << 3, | |
29 | PERF_OUTPUT_CPU = 1U << 4, | |
30 | PERF_OUTPUT_EVNAME = 1U << 5, | |
31 | PERF_OUTPUT_TRACE = 1U << 6, | |
c0230b2b | 32 | PERF_OUTPUT_SYM = 1U << 7, |
745f43e3 DA |
33 | }; |
34 | ||
35 | struct output_option { | |
36 | const char *str; | |
37 | enum perf_output_field field; | |
38 | } all_output_options[] = { | |
39 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
40 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
41 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
42 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
43 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
44 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
45 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
c0230b2b | 46 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
745f43e3 DA |
47 | }; |
48 | ||
49 | /* default set to maintain compatibility with current format */ | |
50 | static u64 output_fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \ | |
51 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \ | |
52 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE; | |
53 | ||
54 | static bool output_set_by_user; | |
55 | ||
56 | #define PRINT_FIELD(x) (output_fields & PERF_OUTPUT_##x) | |
57 | ||
c70c94b4 DA |
58 | static void print_sample_start(struct perf_sample *sample, |
59 | struct thread *thread) | |
60 | { | |
61 | int type; | |
62 | struct event *event; | |
63 | const char *evname = NULL; | |
64 | unsigned long secs; | |
65 | unsigned long usecs; | |
745f43e3 DA |
66 | unsigned long long nsecs; |
67 | ||
68 | if (PRINT_FIELD(COMM)) { | |
69 | if (latency_format) | |
70 | printf("%8.8s ", thread->comm); | |
c0230b2b DA |
71 | else if (PRINT_FIELD(SYM) && symbol_conf.use_callchain) |
72 | printf("%s ", thread->comm); | |
745f43e3 DA |
73 | else |
74 | printf("%16s ", thread->comm); | |
75 | } | |
c70c94b4 | 76 | |
745f43e3 DA |
77 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
78 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
79 | else if (PRINT_FIELD(PID)) | |
80 | printf("%5d ", sample->pid); | |
81 | else if (PRINT_FIELD(TID)) | |
82 | printf("%5d ", sample->tid); | |
83 | ||
84 | if (PRINT_FIELD(CPU)) { | |
85 | if (latency_format) | |
86 | printf("%3d ", sample->cpu); | |
87 | else | |
88 | printf("[%03d] ", sample->cpu); | |
89 | } | |
c70c94b4 | 90 | |
745f43e3 DA |
91 | if (PRINT_FIELD(TIME)) { |
92 | nsecs = sample->time; | |
93 | secs = nsecs / NSECS_PER_SEC; | |
94 | nsecs -= secs * NSECS_PER_SEC; | |
95 | usecs = nsecs / NSECS_PER_USEC; | |
96 | printf("%5lu.%06lu: ", secs, usecs); | |
97 | } | |
c70c94b4 | 98 | |
745f43e3 DA |
99 | if (PRINT_FIELD(EVNAME)) { |
100 | type = trace_parse_common_type(sample->raw_data); | |
101 | event = trace_find_event(type); | |
102 | if (event) | |
103 | evname = event->name; | |
c70c94b4 | 104 | |
745f43e3 DA |
105 | printf("%s: ", evname ? evname : "(unknown)"); |
106 | } | |
c70c94b4 DA |
107 | } |
108 | ||
be6d842a DA |
109 | static void process_event(union perf_event *event __unused, |
110 | struct perf_sample *sample, | |
111 | struct perf_session *session __unused, | |
112 | struct thread *thread) | |
113 | { | |
c70c94b4 | 114 | print_sample_start(sample, thread); |
745f43e3 DA |
115 | |
116 | if (PRINT_FIELD(TRACE)) | |
117 | print_trace_event(sample->cpu, sample->raw_data, | |
118 | sample->raw_size); | |
119 | ||
c0230b2b DA |
120 | if (PRINT_FIELD(SYM)) { |
121 | if (!symbol_conf.use_callchain) | |
122 | printf(" "); | |
123 | else | |
124 | printf("\n"); | |
125 | perf_session__print_symbols(event, sample, session); | |
126 | } | |
127 | ||
c70c94b4 | 128 | printf("\n"); |
be6d842a DA |
129 | } |
130 | ||
586bc5cc TZ |
131 | static int default_start_script(const char *script __unused, |
132 | int argc __unused, | |
133 | const char **argv __unused) | |
956ffd02 TZ |
134 | { |
135 | return 0; | |
136 | } | |
137 | ||
138 | static int default_stop_script(void) | |
139 | { | |
140 | return 0; | |
141 | } | |
142 | ||
586bc5cc | 143 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
144 | { |
145 | return 0; | |
146 | } | |
147 | ||
148 | static struct scripting_ops default_scripting_ops = { | |
149 | .start_script = default_start_script, | |
150 | .stop_script = default_stop_script, | |
be6d842a | 151 | .process_event = process_event, |
956ffd02 TZ |
152 | .generate_script = default_generate_script, |
153 | }; | |
154 | ||
155 | static struct scripting_ops *scripting_ops; | |
156 | ||
157 | static void setup_scripting(void) | |
158 | { | |
16c632de | 159 | setup_perl_scripting(); |
7e4b21b8 | 160 | setup_python_scripting(); |
16c632de | 161 | |
956ffd02 TZ |
162 | scripting_ops = &default_scripting_ops; |
163 | } | |
164 | ||
165 | static int cleanup_scripting(void) | |
166 | { | |
133dc4c3 | 167 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 168 | |
956ffd02 TZ |
169 | return scripting_ops->stop_script(); |
170 | } | |
171 | ||
956ffd02 | 172 | static char const *input_name = "perf.data"; |
5f9c39dc | 173 | |
8115d60c ACM |
174 | static int process_sample_event(union perf_event *event, |
175 | struct perf_sample *sample, | |
640c03ce | 176 | struct perf_session *session) |
5f9c39dc | 177 | { |
640c03ce | 178 | struct thread *thread = perf_session__findnew(session, event->ip.pid); |
6ddf259d | 179 | |
5f9c39dc | 180 | if (thread == NULL) { |
6beba7ad ACM |
181 | pr_debug("problem processing %d event, skipping it.\n", |
182 | event->header.type); | |
5f9c39dc FW |
183 | return -1; |
184 | } | |
185 | ||
c019879b | 186 | if (session->sample_type & PERF_SAMPLE_RAW) { |
ffabd99e | 187 | if (debug_mode) { |
640c03ce | 188 | if (sample->time < last_timestamp) { |
9486aa38 ACM |
189 | pr_err("Samples misordered, previous: %" PRIu64 |
190 | " this: %" PRIu64 "\n", last_timestamp, | |
640c03ce | 191 | sample->time); |
6fcf7ddb | 192 | nr_unordered++; |
e1889d75 | 193 | } |
640c03ce | 194 | last_timestamp = sample->time; |
6fcf7ddb | 195 | return 0; |
e1889d75 | 196 | } |
be6d842a | 197 | scripting_ops->process_event(event, sample, session, thread); |
5f9c39dc | 198 | } |
5f9c39dc | 199 | |
640c03ce | 200 | session->hists.stats.total_period += sample->period; |
5f9c39dc FW |
201 | return 0; |
202 | } | |
203 | ||
301a0b02 | 204 | static struct perf_event_ops event_ops = { |
8115d60c | 205 | .sample = process_sample_event, |
c0230b2b | 206 | .mmap = perf_event__process_mmap, |
8115d60c | 207 | .comm = perf_event__process_comm, |
c0230b2b DA |
208 | .exit = perf_event__process_task, |
209 | .fork = perf_event__process_task, | |
8115d60c ACM |
210 | .attr = perf_event__process_attr, |
211 | .event_type = perf_event__process_event_type, | |
212 | .tracing_data = perf_event__process_tracing_data, | |
213 | .build_id = perf_event__process_build_id, | |
e0a808c6 | 214 | .ordered_samples = true, |
8115d60c | 215 | .ordering_requires_timestamps = true, |
016e92fb FW |
216 | }; |
217 | ||
c239da3b TZ |
218 | extern volatile int session_done; |
219 | ||
220 | static void sig_handler(int sig __unused) | |
221 | { | |
222 | session_done = 1; | |
223 | } | |
224 | ||
133dc4c3 | 225 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 226 | { |
6fcf7ddb FW |
227 | int ret; |
228 | ||
c239da3b TZ |
229 | signal(SIGINT, sig_handler); |
230 | ||
6fcf7ddb FW |
231 | ret = perf_session__process_events(session, &event_ops); |
232 | ||
6d8afb56 | 233 | if (debug_mode) |
9486aa38 | 234 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
235 | |
236 | return ret; | |
5f9c39dc FW |
237 | } |
238 | ||
956ffd02 TZ |
239 | struct script_spec { |
240 | struct list_head node; | |
241 | struct scripting_ops *ops; | |
242 | char spec[0]; | |
243 | }; | |
244 | ||
eccdfe2d | 245 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
246 | |
247 | static struct script_spec *script_spec__new(const char *spec, | |
248 | struct scripting_ops *ops) | |
249 | { | |
250 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
251 | ||
252 | if (s != NULL) { | |
253 | strcpy(s->spec, spec); | |
254 | s->ops = ops; | |
255 | } | |
256 | ||
257 | return s; | |
258 | } | |
259 | ||
260 | static void script_spec__delete(struct script_spec *s) | |
261 | { | |
262 | free(s->spec); | |
263 | free(s); | |
264 | } | |
265 | ||
266 | static void script_spec__add(struct script_spec *s) | |
267 | { | |
268 | list_add_tail(&s->node, &script_specs); | |
269 | } | |
270 | ||
271 | static struct script_spec *script_spec__find(const char *spec) | |
272 | { | |
273 | struct script_spec *s; | |
274 | ||
275 | list_for_each_entry(s, &script_specs, node) | |
276 | if (strcasecmp(s->spec, spec) == 0) | |
277 | return s; | |
278 | return NULL; | |
279 | } | |
280 | ||
281 | static struct script_spec *script_spec__findnew(const char *spec, | |
282 | struct scripting_ops *ops) | |
283 | { | |
284 | struct script_spec *s = script_spec__find(spec); | |
285 | ||
286 | if (s) | |
287 | return s; | |
288 | ||
289 | s = script_spec__new(spec, ops); | |
290 | if (!s) | |
291 | goto out_delete_spec; | |
292 | ||
293 | script_spec__add(s); | |
294 | ||
295 | return s; | |
296 | ||
297 | out_delete_spec: | |
298 | script_spec__delete(s); | |
299 | ||
300 | return NULL; | |
301 | } | |
302 | ||
303 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
304 | { | |
305 | struct script_spec *s; | |
306 | ||
307 | s = script_spec__find(spec); | |
308 | if (s) | |
309 | return -1; | |
310 | ||
311 | s = script_spec__findnew(spec, ops); | |
312 | if (!s) | |
313 | return -1; | |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
318 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
319 | { | |
320 | struct script_spec *s = script_spec__find(spec); | |
321 | if (!s) | |
322 | return NULL; | |
323 | ||
324 | return s->ops; | |
325 | } | |
326 | ||
327 | static void list_available_languages(void) | |
328 | { | |
329 | struct script_spec *s; | |
330 | ||
331 | fprintf(stderr, "\n"); | |
332 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 333 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
334 | |
335 | list_for_each_entry(s, &script_specs, node) | |
336 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
337 | ||
338 | fprintf(stderr, "\n"); | |
339 | } | |
340 | ||
341 | static int parse_scriptname(const struct option *opt __used, | |
342 | const char *str, int unset __used) | |
343 | { | |
344 | char spec[PATH_MAX]; | |
345 | const char *script, *ext; | |
346 | int len; | |
347 | ||
f526d68b | 348 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 349 | list_available_languages(); |
f526d68b | 350 | exit(0); |
956ffd02 TZ |
351 | } |
352 | ||
353 | script = strchr(str, ':'); | |
354 | if (script) { | |
355 | len = script - str; | |
356 | if (len >= PATH_MAX) { | |
357 | fprintf(stderr, "invalid language specifier"); | |
358 | return -1; | |
359 | } | |
360 | strncpy(spec, str, len); | |
361 | spec[len] = '\0'; | |
362 | scripting_ops = script_spec__lookup(spec); | |
363 | if (!scripting_ops) { | |
364 | fprintf(stderr, "invalid language specifier"); | |
365 | return -1; | |
366 | } | |
367 | script++; | |
368 | } else { | |
369 | script = str; | |
d1e95bb5 | 370 | ext = strrchr(script, '.'); |
956ffd02 TZ |
371 | if (!ext) { |
372 | fprintf(stderr, "invalid script extension"); | |
373 | return -1; | |
374 | } | |
375 | scripting_ops = script_spec__lookup(++ext); | |
376 | if (!scripting_ops) { | |
377 | fprintf(stderr, "invalid script extension"); | |
378 | return -1; | |
379 | } | |
380 | } | |
381 | ||
382 | script_name = strdup(script); | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
745f43e3 DA |
387 | static int parse_output_fields(const struct option *opt __used, |
388 | const char *arg, int unset __used) | |
389 | { | |
390 | char *tok; | |
391 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
392 | int rc = 0; | |
393 | char *str = strdup(arg); | |
394 | ||
395 | if (!str) | |
396 | return -ENOMEM; | |
397 | ||
398 | tok = strtok(str, ","); | |
399 | if (!tok) { | |
400 | fprintf(stderr, "Invalid field string."); | |
401 | return -EINVAL; | |
402 | } | |
403 | ||
404 | output_fields = 0; | |
405 | while (1) { | |
406 | for (i = 0; i < imax; ++i) { | |
407 | if (strcmp(tok, all_output_options[i].str) == 0) { | |
408 | output_fields |= all_output_options[i].field; | |
409 | break; | |
410 | } | |
411 | } | |
412 | if (i == imax) { | |
413 | fprintf(stderr, "Invalid field requested."); | |
414 | rc = -EINVAL; | |
415 | break; | |
416 | } | |
417 | ||
418 | tok = strtok(NULL, ","); | |
419 | if (!tok) | |
420 | break; | |
421 | } | |
422 | ||
423 | output_set_by_user = true; | |
424 | ||
425 | free(str); | |
426 | return rc; | |
427 | } | |
428 | ||
008f29d3 SB |
429 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
430 | static int is_directory(const char *base_path, const struct dirent *dent) | |
431 | { | |
432 | char path[PATH_MAX]; | |
433 | struct stat st; | |
434 | ||
435 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
436 | if (stat(path, &st)) | |
437 | return 0; | |
438 | ||
439 | return S_ISDIR(st.st_mode); | |
440 | } | |
441 | ||
442 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
443 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
444 | lang_next) \ | |
008f29d3 SB |
445 | if ((lang_dirent.d_type == DT_DIR || \ |
446 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
447 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
448 | (strcmp(lang_dirent.d_name, ".")) && \ |
449 | (strcmp(lang_dirent.d_name, ".."))) | |
450 | ||
008f29d3 | 451 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
452 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
453 | script_next) \ | |
008f29d3 SB |
454 | if (script_dirent.d_type != DT_DIR && \ |
455 | (script_dirent.d_type != DT_UNKNOWN || \ | |
456 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
457 | |
458 | ||
459 | #define RECORD_SUFFIX "-record" | |
460 | #define REPORT_SUFFIX "-report" | |
461 | ||
462 | struct script_desc { | |
463 | struct list_head node; | |
464 | char *name; | |
465 | char *half_liner; | |
466 | char *args; | |
467 | }; | |
468 | ||
eccdfe2d | 469 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
470 | |
471 | static struct script_desc *script_desc__new(const char *name) | |
472 | { | |
473 | struct script_desc *s = zalloc(sizeof(*s)); | |
474 | ||
b5b87312 | 475 | if (s != NULL && name) |
4b9c0c59 TZ |
476 | s->name = strdup(name); |
477 | ||
478 | return s; | |
479 | } | |
480 | ||
481 | static void script_desc__delete(struct script_desc *s) | |
482 | { | |
483 | free(s->name); | |
e8719adf TZ |
484 | free(s->half_liner); |
485 | free(s->args); | |
4b9c0c59 TZ |
486 | free(s); |
487 | } | |
488 | ||
489 | static void script_desc__add(struct script_desc *s) | |
490 | { | |
491 | list_add_tail(&s->node, &script_descs); | |
492 | } | |
493 | ||
494 | static struct script_desc *script_desc__find(const char *name) | |
495 | { | |
496 | struct script_desc *s; | |
497 | ||
498 | list_for_each_entry(s, &script_descs, node) | |
499 | if (strcasecmp(s->name, name) == 0) | |
500 | return s; | |
501 | return NULL; | |
502 | } | |
503 | ||
504 | static struct script_desc *script_desc__findnew(const char *name) | |
505 | { | |
506 | struct script_desc *s = script_desc__find(name); | |
507 | ||
508 | if (s) | |
509 | return s; | |
510 | ||
511 | s = script_desc__new(name); | |
512 | if (!s) | |
513 | goto out_delete_desc; | |
514 | ||
515 | script_desc__add(s); | |
516 | ||
517 | return s; | |
518 | ||
519 | out_delete_desc: | |
520 | script_desc__delete(s); | |
521 | ||
522 | return NULL; | |
523 | } | |
524 | ||
965bb6be | 525 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
526 | { |
527 | size_t suffix_len = strlen(suffix); | |
965bb6be | 528 | const char *p = str; |
4b9c0c59 TZ |
529 | |
530 | if (strlen(str) > suffix_len) { | |
531 | p = str + strlen(str) - suffix_len; | |
532 | if (!strncmp(p, suffix, suffix_len)) | |
533 | return p; | |
534 | } | |
535 | ||
536 | return NULL; | |
537 | } | |
538 | ||
539 | static char *ltrim(char *str) | |
540 | { | |
541 | int len = strlen(str); | |
542 | ||
543 | while (len && isspace(*str)) { | |
544 | len--; | |
545 | str++; | |
546 | } | |
547 | ||
548 | return str; | |
549 | } | |
550 | ||
551 | static int read_script_info(struct script_desc *desc, const char *filename) | |
552 | { | |
553 | char line[BUFSIZ], *p; | |
554 | FILE *fp; | |
555 | ||
556 | fp = fopen(filename, "r"); | |
557 | if (!fp) | |
558 | return -1; | |
559 | ||
560 | while (fgets(line, sizeof(line), fp)) { | |
561 | p = ltrim(line); | |
562 | if (strlen(p) == 0) | |
563 | continue; | |
564 | if (*p != '#') | |
565 | continue; | |
566 | p++; | |
567 | if (strlen(p) && *p == '!') | |
568 | continue; | |
569 | ||
570 | p = ltrim(p); | |
571 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
572 | p[strlen(p) - 1] = '\0'; | |
573 | ||
574 | if (!strncmp(p, "description:", strlen("description:"))) { | |
575 | p += strlen("description:"); | |
576 | desc->half_liner = strdup(ltrim(p)); | |
577 | continue; | |
578 | } | |
579 | ||
580 | if (!strncmp(p, "args:", strlen("args:"))) { | |
581 | p += strlen("args:"); | |
582 | desc->args = strdup(ltrim(p)); | |
583 | continue; | |
584 | } | |
585 | } | |
586 | ||
587 | fclose(fp); | |
588 | ||
589 | return 0; | |
590 | } | |
591 | ||
592 | static int list_available_scripts(const struct option *opt __used, | |
593 | const char *s __used, int unset __used) | |
594 | { | |
595 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
596 | char scripts_path[MAXPATHLEN]; | |
597 | DIR *scripts_dir, *lang_dir; | |
598 | char script_path[MAXPATHLEN]; | |
599 | char lang_path[MAXPATHLEN]; | |
600 | struct script_desc *desc; | |
601 | char first_half[BUFSIZ]; | |
602 | char *script_root; | |
603 | char *str; | |
604 | ||
605 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
606 | ||
607 | scripts_dir = opendir(scripts_path); | |
608 | if (!scripts_dir) | |
609 | return -1; | |
610 | ||
008f29d3 | 611 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
612 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
613 | lang_dirent.d_name); | |
614 | lang_dir = opendir(lang_path); | |
615 | if (!lang_dir) | |
616 | continue; | |
617 | ||
008f29d3 | 618 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
4b9c0c59 | 619 | script_root = strdup(script_dirent.d_name); |
965bb6be | 620 | str = (char *)ends_with(script_root, REPORT_SUFFIX); |
4b9c0c59 TZ |
621 | if (str) { |
622 | *str = '\0'; | |
623 | desc = script_desc__findnew(script_root); | |
624 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
625 | lang_path, script_dirent.d_name); | |
626 | read_script_info(desc, script_path); | |
627 | } | |
628 | free(script_root); | |
629 | } | |
630 | } | |
631 | ||
632 | fprintf(stdout, "List of available trace scripts:\n"); | |
633 | list_for_each_entry(desc, &script_descs, node) { | |
634 | sprintf(first_half, "%s %s", desc->name, | |
635 | desc->args ? desc->args : ""); | |
636 | fprintf(stdout, " %-36s %s\n", first_half, | |
637 | desc->half_liner ? desc->half_liner : ""); | |
638 | } | |
639 | ||
640 | exit(0); | |
641 | } | |
642 | ||
3875294f TZ |
643 | static char *get_script_path(const char *script_root, const char *suffix) |
644 | { | |
645 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
646 | char scripts_path[MAXPATHLEN]; | |
647 | char script_path[MAXPATHLEN]; | |
648 | DIR *scripts_dir, *lang_dir; | |
649 | char lang_path[MAXPATHLEN]; | |
650 | char *str, *__script_root; | |
651 | char *path = NULL; | |
652 | ||
653 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
654 | ||
655 | scripts_dir = opendir(scripts_path); | |
656 | if (!scripts_dir) | |
657 | return NULL; | |
658 | ||
008f29d3 | 659 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
660 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
661 | lang_dirent.d_name); | |
662 | lang_dir = opendir(lang_path); | |
663 | if (!lang_dir) | |
664 | continue; | |
665 | ||
008f29d3 | 666 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
3875294f | 667 | __script_root = strdup(script_dirent.d_name); |
965bb6be | 668 | str = (char *)ends_with(__script_root, suffix); |
3875294f TZ |
669 | if (str) { |
670 | *str = '\0'; | |
671 | if (strcmp(__script_root, script_root)) | |
672 | continue; | |
673 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
674 | lang_path, script_dirent.d_name); | |
675 | path = strdup(script_path); | |
676 | free(__script_root); | |
677 | break; | |
678 | } | |
679 | free(__script_root); | |
680 | } | |
681 | } | |
682 | ||
683 | return path; | |
684 | } | |
685 | ||
b5b87312 TZ |
686 | static bool is_top_script(const char *script_path) |
687 | { | |
965bb6be | 688 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
689 | } |
690 | ||
691 | static int has_required_arg(char *script_path) | |
692 | { | |
693 | struct script_desc *desc; | |
694 | int n_args = 0; | |
695 | char *p; | |
696 | ||
697 | desc = script_desc__new(NULL); | |
698 | ||
699 | if (read_script_info(desc, script_path)) | |
700 | goto out; | |
701 | ||
702 | if (!desc->args) | |
703 | goto out; | |
704 | ||
705 | for (p = desc->args; *p; p++) | |
706 | if (*p == '<') | |
707 | n_args++; | |
708 | out: | |
709 | script_desc__delete(desc); | |
710 | ||
711 | return n_args; | |
712 | } | |
713 | ||
133dc4c3 IM |
714 | static const char * const script_usage[] = { |
715 | "perf script [<options>]", | |
716 | "perf script [<options>] record <script> [<record-options>] <command>", | |
717 | "perf script [<options>] report <script> [script-args]", | |
718 | "perf script [<options>] <script> [<record-options>] <command>", | |
719 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
720 | NULL |
721 | }; | |
722 | ||
723 | static const struct option options[] = { | |
724 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
725 | "dump raw trace in ASCII"), | |
c0555642 | 726 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 727 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 728 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 729 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
730 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
731 | list_available_scripts), | |
956ffd02 TZ |
732 | OPT_CALLBACK('s', "script", NULL, "name", |
733 | "script file name (lang:script name, script name, or *)", | |
734 | parse_scriptname), | |
735 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 736 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
737 | OPT_STRING('i', "input", &input_name, "file", |
738 | "input file name"), | |
ffabd99e FW |
739 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
740 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
741 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
742 | "file", "vmlinux pathname"), | |
743 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
744 | "file", "kallsyms pathname"), | |
745 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
746 | "When printing symbols do not display call chain"), | |
747 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
748 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 749 | OPT_CALLBACK('f', "fields", NULL, "str", |
c0230b2b | 750 | "comma separated output fields. Options: comm,tid,pid,time,cpu,event,trace,sym", |
745f43e3 | 751 | parse_output_fields), |
956ffd02 | 752 | |
1909629f | 753 | OPT_END() |
5f9c39dc FW |
754 | }; |
755 | ||
34c86ea9 TZ |
756 | static bool have_cmd(int argc, const char **argv) |
757 | { | |
758 | char **__argv = malloc(sizeof(const char *) * argc); | |
759 | ||
760 | if (!__argv) | |
761 | die("malloc"); | |
762 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
763 | argc = parse_options(argc, (const char **)__argv, record_options, | |
764 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
765 | free(__argv); | |
766 | ||
767 | return argc != 0; | |
768 | } | |
769 | ||
133dc4c3 | 770 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 771 | { |
b5b87312 TZ |
772 | char *rec_script_path = NULL; |
773 | char *rep_script_path = NULL; | |
d8f66248 | 774 | struct perf_session *session; |
b5b87312 | 775 | char *script_path = NULL; |
3875294f | 776 | const char **__argv; |
b5b87312 TZ |
777 | bool system_wide; |
778 | int i, j, err; | |
3875294f | 779 | |
b5b87312 TZ |
780 | setup_scripting(); |
781 | ||
133dc4c3 | 782 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
783 | PARSE_OPT_STOP_AT_NON_OPTION); |
784 | ||
785 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
786 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
787 | if (!rec_script_path) | |
788 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
789 | } |
790 | ||
b5b87312 TZ |
791 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
792 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
793 | if (!rep_script_path) { | |
3875294f | 794 | fprintf(stderr, |
b5b87312 | 795 | "Please specify a valid report script" |
133dc4c3 | 796 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
797 | return -1; |
798 | } | |
3875294f TZ |
799 | } |
800 | ||
44e668c6 BH |
801 | /* make sure PERF_EXEC_PATH is set for scripts */ |
802 | perf_set_argv_exec_path(perf_exec_path()); | |
803 | ||
b5b87312 | 804 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 805 | int live_pipe[2]; |
b5b87312 | 806 | int rep_args; |
a0cccc2e TZ |
807 | pid_t pid; |
808 | ||
b5b87312 TZ |
809 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
810 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
811 | ||
812 | if (!rec_script_path && !rep_script_path) { | |
813 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
814 | " script -l for available scripts.\n", argv[0]); |
815 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
816 | } |
817 | ||
b5b87312 TZ |
818 | if (is_top_script(argv[0])) { |
819 | rep_args = argc - 1; | |
820 | } else { | |
821 | int rec_args; | |
822 | ||
823 | rep_args = has_required_arg(rep_script_path); | |
824 | rec_args = (argc - 1) - rep_args; | |
825 | if (rec_args < 0) { | |
826 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 827 | "\n\n See perf script -l for available " |
b5b87312 | 828 | "scripts and options.\n", argv[0]); |
133dc4c3 | 829 | usage_with_options(script_usage, options); |
b5b87312 | 830 | } |
a0cccc2e TZ |
831 | } |
832 | ||
833 | if (pipe(live_pipe) < 0) { | |
834 | perror("failed to create pipe"); | |
835 | exit(-1); | |
836 | } | |
837 | ||
838 | pid = fork(); | |
839 | if (pid < 0) { | |
840 | perror("failed to fork"); | |
841 | exit(-1); | |
842 | } | |
843 | ||
844 | if (!pid) { | |
b5b87312 TZ |
845 | system_wide = true; |
846 | j = 0; | |
847 | ||
a0cccc2e TZ |
848 | dup2(live_pipe[1], 1); |
849 | close(live_pipe[0]); | |
850 | ||
b5b87312 TZ |
851 | if (!is_top_script(argv[0])) |
852 | system_wide = !have_cmd(argc - rep_args, | |
853 | &argv[rep_args]); | |
854 | ||
855 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
856 | if (!__argv) |
857 | die("malloc"); | |
858 | ||
b5b87312 TZ |
859 | __argv[j++] = "/bin/sh"; |
860 | __argv[j++] = rec_script_path; | |
861 | if (system_wide) | |
862 | __argv[j++] = "-a"; | |
863 | __argv[j++] = "-q"; | |
864 | __argv[j++] = "-o"; | |
865 | __argv[j++] = "-"; | |
866 | for (i = rep_args + 1; i < argc; i++) | |
867 | __argv[j++] = argv[i]; | |
868 | __argv[j++] = NULL; | |
a0cccc2e TZ |
869 | |
870 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 871 | free(__argv); |
a0cccc2e TZ |
872 | exit(-1); |
873 | } | |
874 | ||
875 | dup2(live_pipe[0], 0); | |
876 | close(live_pipe[1]); | |
877 | ||
b5b87312 | 878 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
879 | if (!__argv) |
880 | die("malloc"); | |
b5b87312 TZ |
881 | j = 0; |
882 | __argv[j++] = "/bin/sh"; | |
883 | __argv[j++] = rep_script_path; | |
884 | for (i = 1; i < rep_args + 1; i++) | |
885 | __argv[j++] = argv[i]; | |
886 | __argv[j++] = "-i"; | |
887 | __argv[j++] = "-"; | |
888 | __argv[j++] = NULL; | |
a0cccc2e TZ |
889 | |
890 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 891 | free(__argv); |
a0cccc2e TZ |
892 | exit(-1); |
893 | } | |
894 | ||
b5b87312 TZ |
895 | if (rec_script_path) |
896 | script_path = rec_script_path; | |
897 | if (rep_script_path) | |
898 | script_path = rep_script_path; | |
34c86ea9 | 899 | |
b5b87312 TZ |
900 | if (script_path) { |
901 | system_wide = false; | |
902 | j = 0; | |
3875294f | 903 | |
b5b87312 TZ |
904 | if (rec_script_path) |
905 | system_wide = !have_cmd(argc - 1, &argv[1]); | |
34c86ea9 | 906 | |
b5b87312 | 907 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
908 | if (!__argv) |
909 | die("malloc"); | |
34c86ea9 TZ |
910 | __argv[j++] = "/bin/sh"; |
911 | __argv[j++] = script_path; | |
912 | if (system_wide) | |
913 | __argv[j++] = "-a"; | |
b5b87312 | 914 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
915 | __argv[j++] = argv[i]; |
916 | __argv[j++] = NULL; | |
3875294f TZ |
917 | |
918 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 919 | free(__argv); |
3875294f TZ |
920 | exit(-1); |
921 | } | |
956ffd02 | 922 | |
655000e7 ACM |
923 | if (symbol__init() < 0) |
924 | return -1; | |
cf4fee50 TZ |
925 | if (!script_name) |
926 | setup_pager(); | |
5f9c39dc | 927 | |
21ef97f0 | 928 | session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops); |
d8f66248 ACM |
929 | if (session == NULL) |
930 | return -ENOMEM; | |
931 | ||
c0230b2b DA |
932 | if (!no_callchain && (session->sample_type & PERF_SAMPLE_CALLCHAIN)) |
933 | symbol_conf.use_callchain = true; | |
934 | else | |
935 | symbol_conf.use_callchain = false; | |
936 | ||
c239da3b TZ |
937 | if (strcmp(input_name, "-") && |
938 | !perf_session__has_traces(session, "record -R")) | |
d549c769 ACM |
939 | return -EINVAL; |
940 | ||
956ffd02 TZ |
941 | if (generate_script_lang) { |
942 | struct stat perf_stat; | |
745f43e3 DA |
943 | int input; |
944 | ||
945 | if (output_set_by_user) { | |
946 | fprintf(stderr, | |
947 | "custom fields not supported for generated scripts"); | |
948 | return -1; | |
949 | } | |
956ffd02 | 950 | |
745f43e3 | 951 | input = open(input_name, O_RDONLY); |
956ffd02 TZ |
952 | if (input < 0) { |
953 | perror("failed to open file"); | |
954 | exit(-1); | |
955 | } | |
956 | ||
957 | err = fstat(input, &perf_stat); | |
958 | if (err < 0) { | |
959 | perror("failed to stat file"); | |
960 | exit(-1); | |
961 | } | |
962 | ||
963 | if (!perf_stat.st_size) { | |
964 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
965 | exit(0); | |
966 | } | |
967 | ||
968 | scripting_ops = script_spec__lookup(generate_script_lang); | |
969 | if (!scripting_ops) { | |
970 | fprintf(stderr, "invalid language specifier"); | |
971 | return -1; | |
972 | } | |
973 | ||
133dc4c3 | 974 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
975 | goto out; |
976 | } | |
977 | ||
978 | if (script_name) { | |
586bc5cc | 979 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
980 | if (err) |
981 | goto out; | |
133dc4c3 | 982 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
983 | } |
984 | ||
133dc4c3 | 985 | err = __cmd_script(session); |
956ffd02 | 986 | |
d8f66248 | 987 | perf_session__delete(session); |
956ffd02 TZ |
988 | cleanup_scripting(); |
989 | out: | |
990 | return err; | |
5f9c39dc | 991 | } |