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Commit | Line | Data |
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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[]; |
956ffd02 | 22 | |
586bc5cc TZ |
23 | static int default_start_script(const char *script __unused, |
24 | int argc __unused, | |
25 | const char **argv __unused) | |
956ffd02 TZ |
26 | { |
27 | return 0; | |
28 | } | |
29 | ||
30 | static int default_stop_script(void) | |
31 | { | |
32 | return 0; | |
33 | } | |
34 | ||
586bc5cc | 35 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
36 | { |
37 | return 0; | |
38 | } | |
39 | ||
40 | static struct scripting_ops default_scripting_ops = { | |
41 | .start_script = default_start_script, | |
42 | .stop_script = default_stop_script, | |
43 | .process_event = print_event, | |
44 | .generate_script = default_generate_script, | |
45 | }; | |
46 | ||
47 | static struct scripting_ops *scripting_ops; | |
48 | ||
49 | static void setup_scripting(void) | |
50 | { | |
16c632de | 51 | setup_perl_scripting(); |
7e4b21b8 | 52 | setup_python_scripting(); |
16c632de | 53 | |
956ffd02 TZ |
54 | scripting_ops = &default_scripting_ops; |
55 | } | |
56 | ||
57 | static int cleanup_scripting(void) | |
58 | { | |
133dc4c3 | 59 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 60 | |
956ffd02 TZ |
61 | return scripting_ops->stop_script(); |
62 | } | |
63 | ||
956ffd02 | 64 | static char const *input_name = "perf.data"; |
5f9c39dc | 65 | |
640c03ce ACM |
66 | static int process_sample_event(event_t *event, struct sample_data *sample, |
67 | struct perf_session *session) | |
5f9c39dc | 68 | { |
640c03ce | 69 | struct thread *thread = perf_session__findnew(session, event->ip.pid); |
6ddf259d | 70 | |
5f9c39dc | 71 | if (thread == NULL) { |
6beba7ad ACM |
72 | pr_debug("problem processing %d event, skipping it.\n", |
73 | event->header.type); | |
5f9c39dc FW |
74 | return -1; |
75 | } | |
76 | ||
c019879b | 77 | if (session->sample_type & PERF_SAMPLE_RAW) { |
ffabd99e | 78 | if (debug_mode) { |
640c03ce | 79 | if (sample->time < last_timestamp) { |
e1889d75 FW |
80 | pr_err("Samples misordered, previous: %llu " |
81 | "this: %llu\n", last_timestamp, | |
640c03ce | 82 | sample->time); |
6fcf7ddb | 83 | nr_unordered++; |
e1889d75 | 84 | } |
640c03ce | 85 | last_timestamp = sample->time; |
6fcf7ddb | 86 | return 0; |
e1889d75 | 87 | } |
5f9c39dc FW |
88 | /* |
89 | * FIXME: better resolve from pid from the struct trace_entry | |
90 | * field, although it should be the same than this perf | |
91 | * event pid | |
92 | */ | |
640c03ce ACM |
93 | scripting_ops->process_event(sample->cpu, sample->raw_data, |
94 | sample->raw_size, | |
95 | sample->time, thread->comm); | |
5f9c39dc | 96 | } |
5f9c39dc | 97 | |
640c03ce | 98 | session->hists.stats.total_period += sample->period; |
5f9c39dc FW |
99 | return 0; |
100 | } | |
101 | ||
301a0b02 | 102 | static struct perf_event_ops event_ops = { |
55aa640f ACM |
103 | .sample = process_sample_event, |
104 | .comm = event__process_comm, | |
2c46dbb5 | 105 | .attr = event__process_attr, |
cd19a035 | 106 | .event_type = event__process_event_type, |
9215545e | 107 | .tracing_data = event__process_tracing_data, |
c7929e47 | 108 | .build_id = event__process_build_id, |
ce0ac9e1 | 109 | .ordering_requires_timestamps = true, |
e0a808c6 | 110 | .ordered_samples = true, |
016e92fb FW |
111 | }; |
112 | ||
c239da3b TZ |
113 | extern volatile int session_done; |
114 | ||
115 | static void sig_handler(int sig __unused) | |
116 | { | |
117 | session_done = 1; | |
118 | } | |
119 | ||
133dc4c3 | 120 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 121 | { |
6fcf7ddb FW |
122 | int ret; |
123 | ||
c239da3b TZ |
124 | signal(SIGINT, sig_handler); |
125 | ||
6fcf7ddb FW |
126 | ret = perf_session__process_events(session, &event_ops); |
127 | ||
6d8afb56 | 128 | if (debug_mode) |
6fcf7ddb FW |
129 | pr_err("Misordered timestamps: %llu\n", nr_unordered); |
130 | ||
131 | return ret; | |
5f9c39dc FW |
132 | } |
133 | ||
956ffd02 TZ |
134 | struct script_spec { |
135 | struct list_head node; | |
136 | struct scripting_ops *ops; | |
137 | char spec[0]; | |
138 | }; | |
139 | ||
eccdfe2d | 140 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
141 | |
142 | static struct script_spec *script_spec__new(const char *spec, | |
143 | struct scripting_ops *ops) | |
144 | { | |
145 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
146 | ||
147 | if (s != NULL) { | |
148 | strcpy(s->spec, spec); | |
149 | s->ops = ops; | |
150 | } | |
151 | ||
152 | return s; | |
153 | } | |
154 | ||
155 | static void script_spec__delete(struct script_spec *s) | |
156 | { | |
157 | free(s->spec); | |
158 | free(s); | |
159 | } | |
160 | ||
161 | static void script_spec__add(struct script_spec *s) | |
162 | { | |
163 | list_add_tail(&s->node, &script_specs); | |
164 | } | |
165 | ||
166 | static struct script_spec *script_spec__find(const char *spec) | |
167 | { | |
168 | struct script_spec *s; | |
169 | ||
170 | list_for_each_entry(s, &script_specs, node) | |
171 | if (strcasecmp(s->spec, spec) == 0) | |
172 | return s; | |
173 | return NULL; | |
174 | } | |
175 | ||
176 | static struct script_spec *script_spec__findnew(const char *spec, | |
177 | struct scripting_ops *ops) | |
178 | { | |
179 | struct script_spec *s = script_spec__find(spec); | |
180 | ||
181 | if (s) | |
182 | return s; | |
183 | ||
184 | s = script_spec__new(spec, ops); | |
185 | if (!s) | |
186 | goto out_delete_spec; | |
187 | ||
188 | script_spec__add(s); | |
189 | ||
190 | return s; | |
191 | ||
192 | out_delete_spec: | |
193 | script_spec__delete(s); | |
194 | ||
195 | return NULL; | |
196 | } | |
197 | ||
198 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
199 | { | |
200 | struct script_spec *s; | |
201 | ||
202 | s = script_spec__find(spec); | |
203 | if (s) | |
204 | return -1; | |
205 | ||
206 | s = script_spec__findnew(spec, ops); | |
207 | if (!s) | |
208 | return -1; | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
213 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
214 | { | |
215 | struct script_spec *s = script_spec__find(spec); | |
216 | if (!s) | |
217 | return NULL; | |
218 | ||
219 | return s->ops; | |
220 | } | |
221 | ||
222 | static void list_available_languages(void) | |
223 | { | |
224 | struct script_spec *s; | |
225 | ||
226 | fprintf(stderr, "\n"); | |
227 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 228 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
229 | |
230 | list_for_each_entry(s, &script_specs, node) | |
231 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
232 | ||
233 | fprintf(stderr, "\n"); | |
234 | } | |
235 | ||
236 | static int parse_scriptname(const struct option *opt __used, | |
237 | const char *str, int unset __used) | |
238 | { | |
239 | char spec[PATH_MAX]; | |
240 | const char *script, *ext; | |
241 | int len; | |
242 | ||
f526d68b | 243 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 244 | list_available_languages(); |
f526d68b | 245 | exit(0); |
956ffd02 TZ |
246 | } |
247 | ||
248 | script = strchr(str, ':'); | |
249 | if (script) { | |
250 | len = script - str; | |
251 | if (len >= PATH_MAX) { | |
252 | fprintf(stderr, "invalid language specifier"); | |
253 | return -1; | |
254 | } | |
255 | strncpy(spec, str, len); | |
256 | spec[len] = '\0'; | |
257 | scripting_ops = script_spec__lookup(spec); | |
258 | if (!scripting_ops) { | |
259 | fprintf(stderr, "invalid language specifier"); | |
260 | return -1; | |
261 | } | |
262 | script++; | |
263 | } else { | |
264 | script = str; | |
d1e95bb5 | 265 | ext = strrchr(script, '.'); |
956ffd02 TZ |
266 | if (!ext) { |
267 | fprintf(stderr, "invalid script extension"); | |
268 | return -1; | |
269 | } | |
270 | scripting_ops = script_spec__lookup(++ext); | |
271 | if (!scripting_ops) { | |
272 | fprintf(stderr, "invalid script extension"); | |
273 | return -1; | |
274 | } | |
275 | } | |
276 | ||
277 | script_name = strdup(script); | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
008f29d3 SB |
282 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
283 | static int is_directory(const char *base_path, const struct dirent *dent) | |
284 | { | |
285 | char path[PATH_MAX]; | |
286 | struct stat st; | |
287 | ||
288 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
289 | if (stat(path, &st)) | |
290 | return 0; | |
291 | ||
292 | return S_ISDIR(st.st_mode); | |
293 | } | |
294 | ||
295 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
296 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
297 | lang_next) \ | |
008f29d3 SB |
298 | if ((lang_dirent.d_type == DT_DIR || \ |
299 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
300 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
301 | (strcmp(lang_dirent.d_name, ".")) && \ |
302 | (strcmp(lang_dirent.d_name, ".."))) | |
303 | ||
008f29d3 | 304 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
305 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
306 | script_next) \ | |
008f29d3 SB |
307 | if (script_dirent.d_type != DT_DIR && \ |
308 | (script_dirent.d_type != DT_UNKNOWN || \ | |
309 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
310 | |
311 | ||
312 | #define RECORD_SUFFIX "-record" | |
313 | #define REPORT_SUFFIX "-report" | |
314 | ||
315 | struct script_desc { | |
316 | struct list_head node; | |
317 | char *name; | |
318 | char *half_liner; | |
319 | char *args; | |
320 | }; | |
321 | ||
eccdfe2d | 322 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
323 | |
324 | static struct script_desc *script_desc__new(const char *name) | |
325 | { | |
326 | struct script_desc *s = zalloc(sizeof(*s)); | |
327 | ||
b5b87312 | 328 | if (s != NULL && name) |
4b9c0c59 TZ |
329 | s->name = strdup(name); |
330 | ||
331 | return s; | |
332 | } | |
333 | ||
334 | static void script_desc__delete(struct script_desc *s) | |
335 | { | |
336 | free(s->name); | |
e8719adf TZ |
337 | free(s->half_liner); |
338 | free(s->args); | |
4b9c0c59 TZ |
339 | free(s); |
340 | } | |
341 | ||
342 | static void script_desc__add(struct script_desc *s) | |
343 | { | |
344 | list_add_tail(&s->node, &script_descs); | |
345 | } | |
346 | ||
347 | static struct script_desc *script_desc__find(const char *name) | |
348 | { | |
349 | struct script_desc *s; | |
350 | ||
351 | list_for_each_entry(s, &script_descs, node) | |
352 | if (strcasecmp(s->name, name) == 0) | |
353 | return s; | |
354 | return NULL; | |
355 | } | |
356 | ||
357 | static struct script_desc *script_desc__findnew(const char *name) | |
358 | { | |
359 | struct script_desc *s = script_desc__find(name); | |
360 | ||
361 | if (s) | |
362 | return s; | |
363 | ||
364 | s = script_desc__new(name); | |
365 | if (!s) | |
366 | goto out_delete_desc; | |
367 | ||
368 | script_desc__add(s); | |
369 | ||
370 | return s; | |
371 | ||
372 | out_delete_desc: | |
373 | script_desc__delete(s); | |
374 | ||
375 | return NULL; | |
376 | } | |
377 | ||
965bb6be | 378 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
379 | { |
380 | size_t suffix_len = strlen(suffix); | |
965bb6be | 381 | const char *p = str; |
4b9c0c59 TZ |
382 | |
383 | if (strlen(str) > suffix_len) { | |
384 | p = str + strlen(str) - suffix_len; | |
385 | if (!strncmp(p, suffix, suffix_len)) | |
386 | return p; | |
387 | } | |
388 | ||
389 | return NULL; | |
390 | } | |
391 | ||
392 | static char *ltrim(char *str) | |
393 | { | |
394 | int len = strlen(str); | |
395 | ||
396 | while (len && isspace(*str)) { | |
397 | len--; | |
398 | str++; | |
399 | } | |
400 | ||
401 | return str; | |
402 | } | |
403 | ||
404 | static int read_script_info(struct script_desc *desc, const char *filename) | |
405 | { | |
406 | char line[BUFSIZ], *p; | |
407 | FILE *fp; | |
408 | ||
409 | fp = fopen(filename, "r"); | |
410 | if (!fp) | |
411 | return -1; | |
412 | ||
413 | while (fgets(line, sizeof(line), fp)) { | |
414 | p = ltrim(line); | |
415 | if (strlen(p) == 0) | |
416 | continue; | |
417 | if (*p != '#') | |
418 | continue; | |
419 | p++; | |
420 | if (strlen(p) && *p == '!') | |
421 | continue; | |
422 | ||
423 | p = ltrim(p); | |
424 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
425 | p[strlen(p) - 1] = '\0'; | |
426 | ||
427 | if (!strncmp(p, "description:", strlen("description:"))) { | |
428 | p += strlen("description:"); | |
429 | desc->half_liner = strdup(ltrim(p)); | |
430 | continue; | |
431 | } | |
432 | ||
433 | if (!strncmp(p, "args:", strlen("args:"))) { | |
434 | p += strlen("args:"); | |
435 | desc->args = strdup(ltrim(p)); | |
436 | continue; | |
437 | } | |
438 | } | |
439 | ||
440 | fclose(fp); | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
445 | static int list_available_scripts(const struct option *opt __used, | |
446 | const char *s __used, int unset __used) | |
447 | { | |
448 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
449 | char scripts_path[MAXPATHLEN]; | |
450 | DIR *scripts_dir, *lang_dir; | |
451 | char script_path[MAXPATHLEN]; | |
452 | char lang_path[MAXPATHLEN]; | |
453 | struct script_desc *desc; | |
454 | char first_half[BUFSIZ]; | |
455 | char *script_root; | |
456 | char *str; | |
457 | ||
458 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
459 | ||
460 | scripts_dir = opendir(scripts_path); | |
461 | if (!scripts_dir) | |
462 | return -1; | |
463 | ||
008f29d3 | 464 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
465 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
466 | lang_dirent.d_name); | |
467 | lang_dir = opendir(lang_path); | |
468 | if (!lang_dir) | |
469 | continue; | |
470 | ||
008f29d3 | 471 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
4b9c0c59 | 472 | script_root = strdup(script_dirent.d_name); |
965bb6be | 473 | str = (char *)ends_with(script_root, REPORT_SUFFIX); |
4b9c0c59 TZ |
474 | if (str) { |
475 | *str = '\0'; | |
476 | desc = script_desc__findnew(script_root); | |
477 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
478 | lang_path, script_dirent.d_name); | |
479 | read_script_info(desc, script_path); | |
480 | } | |
481 | free(script_root); | |
482 | } | |
483 | } | |
484 | ||
485 | fprintf(stdout, "List of available trace scripts:\n"); | |
486 | list_for_each_entry(desc, &script_descs, node) { | |
487 | sprintf(first_half, "%s %s", desc->name, | |
488 | desc->args ? desc->args : ""); | |
489 | fprintf(stdout, " %-36s %s\n", first_half, | |
490 | desc->half_liner ? desc->half_liner : ""); | |
491 | } | |
492 | ||
493 | exit(0); | |
494 | } | |
495 | ||
3875294f TZ |
496 | static char *get_script_path(const char *script_root, const char *suffix) |
497 | { | |
498 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
499 | char scripts_path[MAXPATHLEN]; | |
500 | char script_path[MAXPATHLEN]; | |
501 | DIR *scripts_dir, *lang_dir; | |
502 | char lang_path[MAXPATHLEN]; | |
503 | char *str, *__script_root; | |
504 | char *path = NULL; | |
505 | ||
506 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
507 | ||
508 | scripts_dir = opendir(scripts_path); | |
509 | if (!scripts_dir) | |
510 | return NULL; | |
511 | ||
008f29d3 | 512 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
513 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
514 | lang_dirent.d_name); | |
515 | lang_dir = opendir(lang_path); | |
516 | if (!lang_dir) | |
517 | continue; | |
518 | ||
008f29d3 | 519 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
3875294f | 520 | __script_root = strdup(script_dirent.d_name); |
965bb6be | 521 | str = (char *)ends_with(__script_root, suffix); |
3875294f TZ |
522 | if (str) { |
523 | *str = '\0'; | |
524 | if (strcmp(__script_root, script_root)) | |
525 | continue; | |
526 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
527 | lang_path, script_dirent.d_name); | |
528 | path = strdup(script_path); | |
529 | free(__script_root); | |
530 | break; | |
531 | } | |
532 | free(__script_root); | |
533 | } | |
534 | } | |
535 | ||
536 | return path; | |
537 | } | |
538 | ||
b5b87312 TZ |
539 | static bool is_top_script(const char *script_path) |
540 | { | |
965bb6be | 541 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
542 | } |
543 | ||
544 | static int has_required_arg(char *script_path) | |
545 | { | |
546 | struct script_desc *desc; | |
547 | int n_args = 0; | |
548 | char *p; | |
549 | ||
550 | desc = script_desc__new(NULL); | |
551 | ||
552 | if (read_script_info(desc, script_path)) | |
553 | goto out; | |
554 | ||
555 | if (!desc->args) | |
556 | goto out; | |
557 | ||
558 | for (p = desc->args; *p; p++) | |
559 | if (*p == '<') | |
560 | n_args++; | |
561 | out: | |
562 | script_desc__delete(desc); | |
563 | ||
564 | return n_args; | |
565 | } | |
566 | ||
133dc4c3 IM |
567 | static const char * const script_usage[] = { |
568 | "perf script [<options>]", | |
569 | "perf script [<options>] record <script> [<record-options>] <command>", | |
570 | "perf script [<options>] report <script> [script-args]", | |
571 | "perf script [<options>] <script> [<record-options>] <command>", | |
572 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
573 | NULL |
574 | }; | |
575 | ||
576 | static const struct option options[] = { | |
577 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
578 | "dump raw trace in ASCII"), | |
c0555642 | 579 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 580 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 581 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 582 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
583 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
584 | list_available_scripts), | |
956ffd02 TZ |
585 | OPT_CALLBACK('s', "script", NULL, "name", |
586 | "script file name (lang:script name, script name, or *)", | |
587 | parse_scriptname), | |
588 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 589 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
590 | OPT_STRING('i', "input", &input_name, "file", |
591 | "input file name"), | |
ffabd99e FW |
592 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
593 | "do various checks like samples ordering and lost events"), | |
956ffd02 | 594 | |
1909629f | 595 | OPT_END() |
5f9c39dc FW |
596 | }; |
597 | ||
34c86ea9 TZ |
598 | static bool have_cmd(int argc, const char **argv) |
599 | { | |
600 | char **__argv = malloc(sizeof(const char *) * argc); | |
601 | ||
602 | if (!__argv) | |
603 | die("malloc"); | |
604 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
605 | argc = parse_options(argc, (const char **)__argv, record_options, | |
606 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
607 | free(__argv); | |
608 | ||
609 | return argc != 0; | |
610 | } | |
611 | ||
133dc4c3 | 612 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 613 | { |
b5b87312 TZ |
614 | char *rec_script_path = NULL; |
615 | char *rep_script_path = NULL; | |
d8f66248 | 616 | struct perf_session *session; |
b5b87312 | 617 | char *script_path = NULL; |
3875294f | 618 | const char **__argv; |
b5b87312 TZ |
619 | bool system_wide; |
620 | int i, j, err; | |
3875294f | 621 | |
b5b87312 TZ |
622 | setup_scripting(); |
623 | ||
133dc4c3 | 624 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
625 | PARSE_OPT_STOP_AT_NON_OPTION); |
626 | ||
627 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
628 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
629 | if (!rec_script_path) | |
630 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
631 | } |
632 | ||
b5b87312 TZ |
633 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
634 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
635 | if (!rep_script_path) { | |
3875294f | 636 | fprintf(stderr, |
b5b87312 | 637 | "Please specify a valid report script" |
133dc4c3 | 638 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
639 | return -1; |
640 | } | |
3875294f TZ |
641 | } |
642 | ||
44e668c6 BH |
643 | /* make sure PERF_EXEC_PATH is set for scripts */ |
644 | perf_set_argv_exec_path(perf_exec_path()); | |
645 | ||
b5b87312 | 646 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 647 | int live_pipe[2]; |
b5b87312 | 648 | int rep_args; |
a0cccc2e TZ |
649 | pid_t pid; |
650 | ||
b5b87312 TZ |
651 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
652 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
653 | ||
654 | if (!rec_script_path && !rep_script_path) { | |
655 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
656 | " script -l for available scripts.\n", argv[0]); |
657 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
658 | } |
659 | ||
b5b87312 TZ |
660 | if (is_top_script(argv[0])) { |
661 | rep_args = argc - 1; | |
662 | } else { | |
663 | int rec_args; | |
664 | ||
665 | rep_args = has_required_arg(rep_script_path); | |
666 | rec_args = (argc - 1) - rep_args; | |
667 | if (rec_args < 0) { | |
668 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 669 | "\n\n See perf script -l for available " |
b5b87312 | 670 | "scripts and options.\n", argv[0]); |
133dc4c3 | 671 | usage_with_options(script_usage, options); |
b5b87312 | 672 | } |
a0cccc2e TZ |
673 | } |
674 | ||
675 | if (pipe(live_pipe) < 0) { | |
676 | perror("failed to create pipe"); | |
677 | exit(-1); | |
678 | } | |
679 | ||
680 | pid = fork(); | |
681 | if (pid < 0) { | |
682 | perror("failed to fork"); | |
683 | exit(-1); | |
684 | } | |
685 | ||
686 | if (!pid) { | |
b5b87312 TZ |
687 | system_wide = true; |
688 | j = 0; | |
689 | ||
a0cccc2e TZ |
690 | dup2(live_pipe[1], 1); |
691 | close(live_pipe[0]); | |
692 | ||
b5b87312 TZ |
693 | if (!is_top_script(argv[0])) |
694 | system_wide = !have_cmd(argc - rep_args, | |
695 | &argv[rep_args]); | |
696 | ||
697 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
698 | if (!__argv) |
699 | die("malloc"); | |
700 | ||
b5b87312 TZ |
701 | __argv[j++] = "/bin/sh"; |
702 | __argv[j++] = rec_script_path; | |
703 | if (system_wide) | |
704 | __argv[j++] = "-a"; | |
705 | __argv[j++] = "-q"; | |
706 | __argv[j++] = "-o"; | |
707 | __argv[j++] = "-"; | |
708 | for (i = rep_args + 1; i < argc; i++) | |
709 | __argv[j++] = argv[i]; | |
710 | __argv[j++] = NULL; | |
a0cccc2e TZ |
711 | |
712 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 713 | free(__argv); |
a0cccc2e TZ |
714 | exit(-1); |
715 | } | |
716 | ||
717 | dup2(live_pipe[0], 0); | |
718 | close(live_pipe[1]); | |
719 | ||
b5b87312 | 720 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
721 | if (!__argv) |
722 | die("malloc"); | |
b5b87312 TZ |
723 | j = 0; |
724 | __argv[j++] = "/bin/sh"; | |
725 | __argv[j++] = rep_script_path; | |
726 | for (i = 1; i < rep_args + 1; i++) | |
727 | __argv[j++] = argv[i]; | |
728 | __argv[j++] = "-i"; | |
729 | __argv[j++] = "-"; | |
730 | __argv[j++] = NULL; | |
a0cccc2e TZ |
731 | |
732 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 733 | free(__argv); |
a0cccc2e TZ |
734 | exit(-1); |
735 | } | |
736 | ||
b5b87312 TZ |
737 | if (rec_script_path) |
738 | script_path = rec_script_path; | |
739 | if (rep_script_path) | |
740 | script_path = rep_script_path; | |
34c86ea9 | 741 | |
b5b87312 TZ |
742 | if (script_path) { |
743 | system_wide = false; | |
744 | j = 0; | |
3875294f | 745 | |
b5b87312 TZ |
746 | if (rec_script_path) |
747 | system_wide = !have_cmd(argc - 1, &argv[1]); | |
34c86ea9 | 748 | |
b5b87312 | 749 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
750 | if (!__argv) |
751 | die("malloc"); | |
34c86ea9 TZ |
752 | __argv[j++] = "/bin/sh"; |
753 | __argv[j++] = script_path; | |
754 | if (system_wide) | |
755 | __argv[j++] = "-a"; | |
b5b87312 | 756 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
757 | __argv[j++] = argv[i]; |
758 | __argv[j++] = NULL; | |
3875294f TZ |
759 | |
760 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 761 | free(__argv); |
3875294f TZ |
762 | exit(-1); |
763 | } | |
956ffd02 | 764 | |
655000e7 ACM |
765 | if (symbol__init() < 0) |
766 | return -1; | |
cf4fee50 TZ |
767 | if (!script_name) |
768 | setup_pager(); | |
5f9c39dc | 769 | |
21ef97f0 | 770 | session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops); |
d8f66248 ACM |
771 | if (session == NULL) |
772 | return -ENOMEM; | |
773 | ||
c239da3b TZ |
774 | if (strcmp(input_name, "-") && |
775 | !perf_session__has_traces(session, "record -R")) | |
d549c769 ACM |
776 | return -EINVAL; |
777 | ||
956ffd02 TZ |
778 | if (generate_script_lang) { |
779 | struct stat perf_stat; | |
780 | ||
781 | int input = open(input_name, O_RDONLY); | |
782 | if (input < 0) { | |
783 | perror("failed to open file"); | |
784 | exit(-1); | |
785 | } | |
786 | ||
787 | err = fstat(input, &perf_stat); | |
788 | if (err < 0) { | |
789 | perror("failed to stat file"); | |
790 | exit(-1); | |
791 | } | |
792 | ||
793 | if (!perf_stat.st_size) { | |
794 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
795 | exit(0); | |
796 | } | |
797 | ||
798 | scripting_ops = script_spec__lookup(generate_script_lang); | |
799 | if (!scripting_ops) { | |
800 | fprintf(stderr, "invalid language specifier"); | |
801 | return -1; | |
802 | } | |
803 | ||
133dc4c3 | 804 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
805 | goto out; |
806 | } | |
807 | ||
808 | if (script_name) { | |
586bc5cc | 809 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
810 | if (err) |
811 | goto out; | |
133dc4c3 | 812 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
813 | } |
814 | ||
133dc4c3 | 815 | err = __cmd_script(session); |
956ffd02 | 816 | |
d8f66248 | 817 | perf_session__delete(session); |
956ffd02 TZ |
818 | cleanup_scripting(); |
819 | out: | |
820 | return err; | |
5f9c39dc | 821 | } |