Commit | Line | Data |
---|---|---|
5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
3 | #include "util/util.h" | |
4 | #include "util/cache.h" | |
5 | #include "util/symbol.h" | |
6 | #include "util/thread.h" | |
7 | #include "util/header.h" | |
cf72344d IM |
8 | #include "util/exec_cmd.h" |
9 | #include "util/trace-event.h" | |
94c744b6 | 10 | #include "util/session.h" |
5f9c39dc | 11 | |
956ffd02 TZ |
12 | static char const *script_name; |
13 | static char const *generate_script_lang; | |
e1889d75 FW |
14 | static bool debug_ordering; |
15 | static u64 last_timestamp; | |
956ffd02 | 16 | |
586bc5cc TZ |
17 | static int default_start_script(const char *script __unused, |
18 | int argc __unused, | |
19 | const char **argv __unused) | |
956ffd02 TZ |
20 | { |
21 | return 0; | |
22 | } | |
23 | ||
24 | static int default_stop_script(void) | |
25 | { | |
26 | return 0; | |
27 | } | |
28 | ||
586bc5cc | 29 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
30 | { |
31 | return 0; | |
32 | } | |
33 | ||
34 | static struct scripting_ops default_scripting_ops = { | |
35 | .start_script = default_start_script, | |
36 | .stop_script = default_stop_script, | |
37 | .process_event = print_event, | |
38 | .generate_script = default_generate_script, | |
39 | }; | |
40 | ||
41 | static struct scripting_ops *scripting_ops; | |
42 | ||
43 | static void setup_scripting(void) | |
44 | { | |
45 | /* make sure PERF_EXEC_PATH is set for scripts */ | |
46 | perf_set_argv_exec_path(perf_exec_path()); | |
47 | ||
16c632de | 48 | setup_perl_scripting(); |
7e4b21b8 | 49 | setup_python_scripting(); |
16c632de | 50 | |
956ffd02 TZ |
51 | scripting_ops = &default_scripting_ops; |
52 | } | |
53 | ||
54 | static int cleanup_scripting(void) | |
55 | { | |
56 | return scripting_ops->stop_script(); | |
57 | } | |
58 | ||
5f9c39dc FW |
59 | #include "util/parse-options.h" |
60 | ||
61 | #include "perf.h" | |
62 | #include "util/debug.h" | |
63 | ||
64 | #include "util/trace-event.h" | |
956ffd02 | 65 | #include "util/exec_cmd.h" |
5f9c39dc | 66 | |
956ffd02 | 67 | static char const *input_name = "perf.data"; |
5f9c39dc | 68 | |
b3165f41 | 69 | static int process_sample_event(event_t *event, struct perf_session *session) |
5f9c39dc | 70 | { |
180f95e2 OH |
71 | struct sample_data data; |
72 | struct thread *thread; | |
6ddf259d | 73 | |
180f95e2 OH |
74 | memset(&data, 0, sizeof(data)); |
75 | data.time = -1; | |
76 | data.cpu = -1; | |
77 | data.period = 1; | |
cd6feeea | 78 | |
c019879b | 79 | event__parse_sample(event, session->sample_type, &data); |
5f9c39dc | 80 | |
0d755034 ACM |
81 | dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc, |
82 | data.pid, data.tid, data.ip, data.period); | |
5f9c39dc | 83 | |
b3165f41 | 84 | thread = perf_session__findnew(session, event->ip.pid); |
5f9c39dc | 85 | if (thread == NULL) { |
6beba7ad ACM |
86 | pr_debug("problem processing %d event, skipping it.\n", |
87 | event->header.type); | |
5f9c39dc FW |
88 | return -1; |
89 | } | |
90 | ||
c019879b | 91 | if (session->sample_type & PERF_SAMPLE_RAW) { |
e1889d75 FW |
92 | if (debug_ordering) { |
93 | if (data.time < last_timestamp) { | |
94 | pr_err("Samples misordered, previous: %llu " | |
95 | "this: %llu\n", last_timestamp, | |
96 | data.time); | |
97 | } | |
98 | last_timestamp = data.time; | |
99 | } | |
5f9c39dc FW |
100 | /* |
101 | * FIXME: better resolve from pid from the struct trace_entry | |
102 | * field, although it should be the same than this perf | |
103 | * event pid | |
104 | */ | |
180f95e2 OH |
105 | scripting_ops->process_event(data.cpu, data.raw_data, |
106 | data.raw_size, | |
107 | data.time, thread->comm); | |
5f9c39dc | 108 | } |
5f9c39dc | 109 | |
1c02c4d2 | 110 | session->hists.stats.total += data.period; |
5f9c39dc FW |
111 | return 0; |
112 | } | |
113 | ||
301a0b02 | 114 | static struct perf_event_ops event_ops = { |
55aa640f ACM |
115 | .sample = process_sample_event, |
116 | .comm = event__process_comm, | |
2c46dbb5 | 117 | .attr = event__process_attr, |
cd19a035 | 118 | .event_type = event__process_event_type, |
9215545e | 119 | .tracing_data = event__process_tracing_data, |
c7929e47 | 120 | .build_id = event__process_build_id, |
e0a808c6 | 121 | .ordered_samples = true, |
016e92fb FW |
122 | }; |
123 | ||
c239da3b TZ |
124 | extern volatile int session_done; |
125 | ||
126 | static void sig_handler(int sig __unused) | |
127 | { | |
128 | session_done = 1; | |
129 | } | |
130 | ||
d8f66248 | 131 | static int __cmd_trace(struct perf_session *session) |
5f9c39dc | 132 | { |
c239da3b TZ |
133 | signal(SIGINT, sig_handler); |
134 | ||
ec913369 | 135 | return perf_session__process_events(session, &event_ops); |
5f9c39dc FW |
136 | } |
137 | ||
956ffd02 TZ |
138 | struct script_spec { |
139 | struct list_head node; | |
140 | struct scripting_ops *ops; | |
141 | char spec[0]; | |
142 | }; | |
143 | ||
144 | LIST_HEAD(script_specs); | |
145 | ||
146 | static struct script_spec *script_spec__new(const char *spec, | |
147 | struct scripting_ops *ops) | |
148 | { | |
149 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
150 | ||
151 | if (s != NULL) { | |
152 | strcpy(s->spec, spec); | |
153 | s->ops = ops; | |
154 | } | |
155 | ||
156 | return s; | |
157 | } | |
158 | ||
159 | static void script_spec__delete(struct script_spec *s) | |
160 | { | |
161 | free(s->spec); | |
162 | free(s); | |
163 | } | |
164 | ||
165 | static void script_spec__add(struct script_spec *s) | |
166 | { | |
167 | list_add_tail(&s->node, &script_specs); | |
168 | } | |
169 | ||
170 | static struct script_spec *script_spec__find(const char *spec) | |
171 | { | |
172 | struct script_spec *s; | |
173 | ||
174 | list_for_each_entry(s, &script_specs, node) | |
175 | if (strcasecmp(s->spec, spec) == 0) | |
176 | return s; | |
177 | return NULL; | |
178 | } | |
179 | ||
180 | static struct script_spec *script_spec__findnew(const char *spec, | |
181 | struct scripting_ops *ops) | |
182 | { | |
183 | struct script_spec *s = script_spec__find(spec); | |
184 | ||
185 | if (s) | |
186 | return s; | |
187 | ||
188 | s = script_spec__new(spec, ops); | |
189 | if (!s) | |
190 | goto out_delete_spec; | |
191 | ||
192 | script_spec__add(s); | |
193 | ||
194 | return s; | |
195 | ||
196 | out_delete_spec: | |
197 | script_spec__delete(s); | |
198 | ||
199 | return NULL; | |
200 | } | |
201 | ||
202 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
203 | { | |
204 | struct script_spec *s; | |
205 | ||
206 | s = script_spec__find(spec); | |
207 | if (s) | |
208 | return -1; | |
209 | ||
210 | s = script_spec__findnew(spec, ops); | |
211 | if (!s) | |
212 | return -1; | |
213 | ||
214 | return 0; | |
215 | } | |
216 | ||
217 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
218 | { | |
219 | struct script_spec *s = script_spec__find(spec); | |
220 | if (!s) | |
221 | return NULL; | |
222 | ||
223 | return s->ops; | |
224 | } | |
225 | ||
226 | static void list_available_languages(void) | |
227 | { | |
228 | struct script_spec *s; | |
229 | ||
230 | fprintf(stderr, "\n"); | |
231 | fprintf(stderr, "Scripting language extensions (used in " | |
232 | "perf trace -s [spec:]script.[spec]):\n\n"); | |
233 | ||
234 | list_for_each_entry(s, &script_specs, node) | |
235 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
236 | ||
237 | fprintf(stderr, "\n"); | |
238 | } | |
239 | ||
240 | static int parse_scriptname(const struct option *opt __used, | |
241 | const char *str, int unset __used) | |
242 | { | |
243 | char spec[PATH_MAX]; | |
244 | const char *script, *ext; | |
245 | int len; | |
246 | ||
f526d68b | 247 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 248 | list_available_languages(); |
f526d68b | 249 | exit(0); |
956ffd02 TZ |
250 | } |
251 | ||
252 | script = strchr(str, ':'); | |
253 | if (script) { | |
254 | len = script - str; | |
255 | if (len >= PATH_MAX) { | |
256 | fprintf(stderr, "invalid language specifier"); | |
257 | return -1; | |
258 | } | |
259 | strncpy(spec, str, len); | |
260 | spec[len] = '\0'; | |
261 | scripting_ops = script_spec__lookup(spec); | |
262 | if (!scripting_ops) { | |
263 | fprintf(stderr, "invalid language specifier"); | |
264 | return -1; | |
265 | } | |
266 | script++; | |
267 | } else { | |
268 | script = str; | |
269 | ext = strchr(script, '.'); | |
270 | if (!ext) { | |
271 | fprintf(stderr, "invalid script extension"); | |
272 | return -1; | |
273 | } | |
274 | scripting_ops = script_spec__lookup(++ext); | |
275 | if (!scripting_ops) { | |
276 | fprintf(stderr, "invalid script extension"); | |
277 | return -1; | |
278 | } | |
279 | } | |
280 | ||
281 | script_name = strdup(script); | |
282 | ||
283 | return 0; | |
284 | } | |
285 | ||
4b9c0c59 TZ |
286 | #define for_each_lang(scripts_dir, lang_dirent, lang_next) \ |
287 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ | |
288 | lang_next) \ | |
289 | if (lang_dirent.d_type == DT_DIR && \ | |
290 | (strcmp(lang_dirent.d_name, ".")) && \ | |
291 | (strcmp(lang_dirent.d_name, ".."))) | |
292 | ||
293 | #define for_each_script(lang_dir, script_dirent, script_next) \ | |
294 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ | |
295 | script_next) \ | |
296 | if (script_dirent.d_type != DT_DIR) | |
297 | ||
298 | ||
299 | #define RECORD_SUFFIX "-record" | |
300 | #define REPORT_SUFFIX "-report" | |
301 | ||
302 | struct script_desc { | |
303 | struct list_head node; | |
304 | char *name; | |
305 | char *half_liner; | |
306 | char *args; | |
307 | }; | |
308 | ||
309 | LIST_HEAD(script_descs); | |
310 | ||
311 | static struct script_desc *script_desc__new(const char *name) | |
312 | { | |
313 | struct script_desc *s = zalloc(sizeof(*s)); | |
314 | ||
315 | if (s != NULL) | |
316 | s->name = strdup(name); | |
317 | ||
318 | return s; | |
319 | } | |
320 | ||
321 | static void script_desc__delete(struct script_desc *s) | |
322 | { | |
323 | free(s->name); | |
324 | free(s); | |
325 | } | |
326 | ||
327 | static void script_desc__add(struct script_desc *s) | |
328 | { | |
329 | list_add_tail(&s->node, &script_descs); | |
330 | } | |
331 | ||
332 | static struct script_desc *script_desc__find(const char *name) | |
333 | { | |
334 | struct script_desc *s; | |
335 | ||
336 | list_for_each_entry(s, &script_descs, node) | |
337 | if (strcasecmp(s->name, name) == 0) | |
338 | return s; | |
339 | return NULL; | |
340 | } | |
341 | ||
342 | static struct script_desc *script_desc__findnew(const char *name) | |
343 | { | |
344 | struct script_desc *s = script_desc__find(name); | |
345 | ||
346 | if (s) | |
347 | return s; | |
348 | ||
349 | s = script_desc__new(name); | |
350 | if (!s) | |
351 | goto out_delete_desc; | |
352 | ||
353 | script_desc__add(s); | |
354 | ||
355 | return s; | |
356 | ||
357 | out_delete_desc: | |
358 | script_desc__delete(s); | |
359 | ||
360 | return NULL; | |
361 | } | |
362 | ||
363 | static char *ends_with(char *str, const char *suffix) | |
364 | { | |
365 | size_t suffix_len = strlen(suffix); | |
366 | char *p = str; | |
367 | ||
368 | if (strlen(str) > suffix_len) { | |
369 | p = str + strlen(str) - suffix_len; | |
370 | if (!strncmp(p, suffix, suffix_len)) | |
371 | return p; | |
372 | } | |
373 | ||
374 | return NULL; | |
375 | } | |
376 | ||
377 | static char *ltrim(char *str) | |
378 | { | |
379 | int len = strlen(str); | |
380 | ||
381 | while (len && isspace(*str)) { | |
382 | len--; | |
383 | str++; | |
384 | } | |
385 | ||
386 | return str; | |
387 | } | |
388 | ||
389 | static int read_script_info(struct script_desc *desc, const char *filename) | |
390 | { | |
391 | char line[BUFSIZ], *p; | |
392 | FILE *fp; | |
393 | ||
394 | fp = fopen(filename, "r"); | |
395 | if (!fp) | |
396 | return -1; | |
397 | ||
398 | while (fgets(line, sizeof(line), fp)) { | |
399 | p = ltrim(line); | |
400 | if (strlen(p) == 0) | |
401 | continue; | |
402 | if (*p != '#') | |
403 | continue; | |
404 | p++; | |
405 | if (strlen(p) && *p == '!') | |
406 | continue; | |
407 | ||
408 | p = ltrim(p); | |
409 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
410 | p[strlen(p) - 1] = '\0'; | |
411 | ||
412 | if (!strncmp(p, "description:", strlen("description:"))) { | |
413 | p += strlen("description:"); | |
414 | desc->half_liner = strdup(ltrim(p)); | |
415 | continue; | |
416 | } | |
417 | ||
418 | if (!strncmp(p, "args:", strlen("args:"))) { | |
419 | p += strlen("args:"); | |
420 | desc->args = strdup(ltrim(p)); | |
421 | continue; | |
422 | } | |
423 | } | |
424 | ||
425 | fclose(fp); | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
430 | static int list_available_scripts(const struct option *opt __used, | |
431 | const char *s __used, int unset __used) | |
432 | { | |
433 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
434 | char scripts_path[MAXPATHLEN]; | |
435 | DIR *scripts_dir, *lang_dir; | |
436 | char script_path[MAXPATHLEN]; | |
437 | char lang_path[MAXPATHLEN]; | |
438 | struct script_desc *desc; | |
439 | char first_half[BUFSIZ]; | |
440 | char *script_root; | |
441 | char *str; | |
442 | ||
443 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
444 | ||
445 | scripts_dir = opendir(scripts_path); | |
446 | if (!scripts_dir) | |
447 | return -1; | |
448 | ||
449 | for_each_lang(scripts_dir, lang_dirent, lang_next) { | |
450 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, | |
451 | lang_dirent.d_name); | |
452 | lang_dir = opendir(lang_path); | |
453 | if (!lang_dir) | |
454 | continue; | |
455 | ||
456 | for_each_script(lang_dir, script_dirent, script_next) { | |
457 | script_root = strdup(script_dirent.d_name); | |
458 | str = ends_with(script_root, REPORT_SUFFIX); | |
459 | if (str) { | |
460 | *str = '\0'; | |
461 | desc = script_desc__findnew(script_root); | |
462 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
463 | lang_path, script_dirent.d_name); | |
464 | read_script_info(desc, script_path); | |
465 | } | |
466 | free(script_root); | |
467 | } | |
468 | } | |
469 | ||
470 | fprintf(stdout, "List of available trace scripts:\n"); | |
471 | list_for_each_entry(desc, &script_descs, node) { | |
472 | sprintf(first_half, "%s %s", desc->name, | |
473 | desc->args ? desc->args : ""); | |
474 | fprintf(stdout, " %-36s %s\n", first_half, | |
475 | desc->half_liner ? desc->half_liner : ""); | |
476 | } | |
477 | ||
478 | exit(0); | |
479 | } | |
480 | ||
3875294f TZ |
481 | static char *get_script_path(const char *script_root, const char *suffix) |
482 | { | |
483 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
484 | char scripts_path[MAXPATHLEN]; | |
485 | char script_path[MAXPATHLEN]; | |
486 | DIR *scripts_dir, *lang_dir; | |
487 | char lang_path[MAXPATHLEN]; | |
488 | char *str, *__script_root; | |
489 | char *path = NULL; | |
490 | ||
491 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
492 | ||
493 | scripts_dir = opendir(scripts_path); | |
494 | if (!scripts_dir) | |
495 | return NULL; | |
496 | ||
497 | for_each_lang(scripts_dir, lang_dirent, lang_next) { | |
498 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, | |
499 | lang_dirent.d_name); | |
500 | lang_dir = opendir(lang_path); | |
501 | if (!lang_dir) | |
502 | continue; | |
503 | ||
504 | for_each_script(lang_dir, script_dirent, script_next) { | |
505 | __script_root = strdup(script_dirent.d_name); | |
506 | str = ends_with(__script_root, suffix); | |
507 | if (str) { | |
508 | *str = '\0'; | |
509 | if (strcmp(__script_root, script_root)) | |
510 | continue; | |
511 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
512 | lang_path, script_dirent.d_name); | |
513 | path = strdup(script_path); | |
514 | free(__script_root); | |
515 | break; | |
516 | } | |
517 | free(__script_root); | |
518 | } | |
519 | } | |
520 | ||
521 | return path; | |
522 | } | |
523 | ||
0422a4fc | 524 | static const char * const trace_usage[] = { |
5f9c39dc FW |
525 | "perf trace [<options>] <command>", |
526 | NULL | |
527 | }; | |
528 | ||
529 | static const struct option options[] = { | |
530 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
531 | "dump raw trace in ASCII"), | |
c0555642 | 532 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 533 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 534 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 535 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
536 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
537 | list_available_scripts), | |
956ffd02 TZ |
538 | OPT_CALLBACK('s', "script", NULL, "name", |
539 | "script file name (lang:script name, script name, or *)", | |
540 | parse_scriptname), | |
541 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
542 | "generate perf-trace.xx script in specified language"), | |
408f0d18 HM |
543 | OPT_STRING('i', "input", &input_name, "file", |
544 | "input file name"), | |
e1889d75 FW |
545 | OPT_BOOLEAN('d', "debug-ordering", &debug_ordering, |
546 | "check that samples time ordering is monotonic"), | |
956ffd02 | 547 | |
1909629f | 548 | OPT_END() |
5f9c39dc FW |
549 | }; |
550 | ||
551 | int cmd_trace(int argc, const char **argv, const char *prefix __used) | |
552 | { | |
d8f66248 | 553 | struct perf_session *session; |
3875294f TZ |
554 | const char *suffix = NULL; |
555 | const char **__argv; | |
556 | char *script_path; | |
557 | int i, err; | |
558 | ||
559 | if (argc >= 2 && strncmp(argv[1], "rec", strlen("rec")) == 0) { | |
560 | if (argc < 3) { | |
561 | fprintf(stderr, | |
562 | "Please specify a record script\n"); | |
563 | return -1; | |
564 | } | |
565 | suffix = RECORD_SUFFIX; | |
566 | } | |
567 | ||
568 | if (argc >= 2 && strncmp(argv[1], "rep", strlen("rep")) == 0) { | |
569 | if (argc < 3) { | |
570 | fprintf(stderr, | |
571 | "Please specify a report script\n"); | |
572 | return -1; | |
573 | } | |
574 | suffix = REPORT_SUFFIX; | |
575 | } | |
576 | ||
a0cccc2e TZ |
577 | if (!suffix && argc >= 2 && strncmp(argv[1], "-", strlen("-")) != 0) { |
578 | char *record_script_path, *report_script_path; | |
579 | int live_pipe[2]; | |
580 | pid_t pid; | |
581 | ||
582 | record_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
583 | if (!record_script_path) { | |
584 | fprintf(stderr, "record script not found\n"); | |
585 | return -1; | |
586 | } | |
587 | ||
588 | report_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
589 | if (!report_script_path) { | |
590 | fprintf(stderr, "report script not found\n"); | |
591 | return -1; | |
592 | } | |
593 | ||
594 | if (pipe(live_pipe) < 0) { | |
595 | perror("failed to create pipe"); | |
596 | exit(-1); | |
597 | } | |
598 | ||
599 | pid = fork(); | |
600 | if (pid < 0) { | |
601 | perror("failed to fork"); | |
602 | exit(-1); | |
603 | } | |
604 | ||
605 | if (!pid) { | |
606 | dup2(live_pipe[1], 1); | |
607 | close(live_pipe[0]); | |
608 | ||
609 | __argv = malloc(5 * sizeof(const char *)); | |
610 | __argv[0] = "/bin/sh"; | |
611 | __argv[1] = record_script_path; | |
612 | __argv[2] = "-o"; | |
613 | __argv[3] = "-"; | |
614 | __argv[4] = NULL; | |
615 | ||
616 | execvp("/bin/sh", (char **)__argv); | |
617 | exit(-1); | |
618 | } | |
619 | ||
620 | dup2(live_pipe[0], 0); | |
621 | close(live_pipe[1]); | |
622 | ||
623 | __argv = malloc((argc + 3) * sizeof(const char *)); | |
624 | __argv[0] = "/bin/sh"; | |
625 | __argv[1] = report_script_path; | |
626 | for (i = 2; i < argc; i++) | |
627 | __argv[i] = argv[i]; | |
628 | __argv[i++] = "-i"; | |
629 | __argv[i++] = "-"; | |
630 | __argv[i++] = NULL; | |
631 | ||
632 | execvp("/bin/sh", (char **)__argv); | |
633 | exit(-1); | |
634 | } | |
635 | ||
3875294f TZ |
636 | if (suffix) { |
637 | script_path = get_script_path(argv[2], suffix); | |
638 | if (!script_path) { | |
639 | fprintf(stderr, "script not found\n"); | |
640 | return -1; | |
641 | } | |
642 | ||
643 | __argv = malloc((argc + 1) * sizeof(const char *)); | |
644 | __argv[0] = "/bin/sh"; | |
645 | __argv[1] = script_path; | |
646 | for (i = 3; i < argc; i++) | |
647 | __argv[i - 1] = argv[i]; | |
648 | __argv[argc - 1] = NULL; | |
649 | ||
650 | execvp("/bin/sh", (char **)__argv); | |
651 | exit(-1); | |
652 | } | |
956ffd02 | 653 | |
956ffd02 TZ |
654 | setup_scripting(); |
655 | ||
0422a4fc | 656 | argc = parse_options(argc, argv, options, trace_usage, |
586bc5cc | 657 | PARSE_OPT_STOP_AT_NON_OPTION); |
5f9c39dc | 658 | |
655000e7 ACM |
659 | if (symbol__init() < 0) |
660 | return -1; | |
cf4fee50 TZ |
661 | if (!script_name) |
662 | setup_pager(); | |
5f9c39dc | 663 | |
454c407e | 664 | session = perf_session__new(input_name, O_RDONLY, 0, false); |
d8f66248 ACM |
665 | if (session == NULL) |
666 | return -ENOMEM; | |
667 | ||
c239da3b TZ |
668 | if (strcmp(input_name, "-") && |
669 | !perf_session__has_traces(session, "record -R")) | |
d549c769 ACM |
670 | return -EINVAL; |
671 | ||
956ffd02 TZ |
672 | if (generate_script_lang) { |
673 | struct stat perf_stat; | |
674 | ||
675 | int input = open(input_name, O_RDONLY); | |
676 | if (input < 0) { | |
677 | perror("failed to open file"); | |
678 | exit(-1); | |
679 | } | |
680 | ||
681 | err = fstat(input, &perf_stat); | |
682 | if (err < 0) { | |
683 | perror("failed to stat file"); | |
684 | exit(-1); | |
685 | } | |
686 | ||
687 | if (!perf_stat.st_size) { | |
688 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
689 | exit(0); | |
690 | } | |
691 | ||
692 | scripting_ops = script_spec__lookup(generate_script_lang); | |
693 | if (!scripting_ops) { | |
694 | fprintf(stderr, "invalid language specifier"); | |
695 | return -1; | |
696 | } | |
697 | ||
956ffd02 TZ |
698 | err = scripting_ops->generate_script("perf-trace"); |
699 | goto out; | |
700 | } | |
701 | ||
702 | if (script_name) { | |
586bc5cc | 703 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
704 | if (err) |
705 | goto out; | |
706 | } | |
707 | ||
d8f66248 | 708 | err = __cmd_trace(session); |
956ffd02 | 709 | |
d8f66248 | 710 | perf_session__delete(session); |
956ffd02 TZ |
711 | cleanup_scripting(); |
712 | out: | |
713 | return err; | |
5f9c39dc | 714 | } |