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" |
b7eead86 | 13 | #include "util/util.h" |
1424dc96 DA |
14 | #include "util/evlist.h" |
15 | #include "util/evsel.h" | |
5d67be97 | 16 | #include <linux/bitmap.h> |
5f9c39dc | 17 | |
956ffd02 TZ |
18 | static char const *script_name; |
19 | static char const *generate_script_lang; | |
ffabd99e | 20 | static bool debug_mode; |
e1889d75 | 21 | static u64 last_timestamp; |
6fcf7ddb | 22 | static u64 nr_unordered; |
34c86ea9 | 23 | extern const struct option record_options[]; |
c0230b2b | 24 | static bool no_callchain; |
5d67be97 AB |
25 | static const char *cpu_list; |
26 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 27 | |
745f43e3 DA |
28 | enum perf_output_field { |
29 | PERF_OUTPUT_COMM = 1U << 0, | |
30 | PERF_OUTPUT_TID = 1U << 1, | |
31 | PERF_OUTPUT_PID = 1U << 2, | |
32 | PERF_OUTPUT_TIME = 1U << 3, | |
33 | PERF_OUTPUT_CPU = 1U << 4, | |
34 | PERF_OUTPUT_EVNAME = 1U << 5, | |
35 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
36 | PERF_OUTPUT_IP = 1U << 7, |
37 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 38 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 39 | PERF_OUTPUT_ADDR = 1U << 10, |
745f43e3 DA |
40 | }; |
41 | ||
42 | struct output_option { | |
43 | const char *str; | |
44 | enum perf_output_field field; | |
45 | } all_output_options[] = { | |
46 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
47 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
48 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
49 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
50 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
51 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
52 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 53 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 54 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 55 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 56 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
745f43e3 DA |
57 | }; |
58 | ||
59 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
60 | static struct { |
61 | bool user_set; | |
9cbdb702 | 62 | bool wildcard_set; |
2c9e45f7 DA |
63 | u64 fields; |
64 | u64 invalid_fields; | |
65 | } output[PERF_TYPE_MAX] = { | |
66 | ||
67 | [PERF_TYPE_HARDWARE] = { | |
68 | .user_set = false, | |
69 | ||
70 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
71 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 72 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 73 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
74 | |
75 | .invalid_fields = PERF_OUTPUT_TRACE, | |
76 | }, | |
77 | ||
78 | [PERF_TYPE_SOFTWARE] = { | |
79 | .user_set = false, | |
80 | ||
81 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
82 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 83 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 84 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
85 | |
86 | .invalid_fields = PERF_OUTPUT_TRACE, | |
87 | }, | |
88 | ||
89 | [PERF_TYPE_TRACEPOINT] = { | |
90 | .user_set = false, | |
91 | ||
92 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
93 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
94 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
95 | }, | |
0817a6a3 AS |
96 | |
97 | [PERF_TYPE_RAW] = { | |
98 | .user_set = false, | |
99 | ||
100 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
101 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 102 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 103 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
104 | |
105 | .invalid_fields = PERF_OUTPUT_TRACE, | |
106 | }, | |
1424dc96 | 107 | }; |
745f43e3 | 108 | |
2c9e45f7 DA |
109 | static bool output_set_by_user(void) |
110 | { | |
111 | int j; | |
112 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
113 | if (output[j].user_set) | |
114 | return true; | |
115 | } | |
116 | return false; | |
117 | } | |
745f43e3 | 118 | |
9cbdb702 DA |
119 | static const char *output_field2str(enum perf_output_field field) |
120 | { | |
121 | int i, imax = ARRAY_SIZE(all_output_options); | |
122 | const char *str = ""; | |
123 | ||
124 | for (i = 0; i < imax; ++i) { | |
125 | if (all_output_options[i].field == field) { | |
126 | str = all_output_options[i].str; | |
127 | break; | |
128 | } | |
129 | } | |
130 | return str; | |
131 | } | |
132 | ||
2c9e45f7 | 133 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 134 | |
9cbdb702 DA |
135 | static int perf_event_attr__check_stype(struct perf_event_attr *attr, |
136 | u64 sample_type, const char *sample_msg, | |
137 | enum perf_output_field field) | |
1424dc96 | 138 | { |
9cbdb702 DA |
139 | int type = attr->type; |
140 | const char *evname; | |
141 | ||
142 | if (attr->sample_type & sample_type) | |
143 | return 0; | |
144 | ||
145 | if (output[type].user_set) { | |
146 | evname = __event_name(attr->type, attr->config); | |
147 | pr_err("Samples for '%s' event do not have %s attribute set. " | |
148 | "Cannot print '%s' field.\n", | |
149 | evname, sample_msg, output_field2str(field)); | |
150 | return -1; | |
151 | } | |
152 | ||
153 | /* user did not ask for it explicitly so remove from the default list */ | |
154 | output[type].fields &= ~field; | |
155 | evname = __event_name(attr->type, attr->config); | |
156 | pr_debug("Samples for '%s' event do not have %s attribute set. " | |
157 | "Skipping '%s' field.\n", | |
158 | evname, sample_msg, output_field2str(field)); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
163 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
164 | struct perf_session *session) | |
165 | { | |
166 | struct perf_event_attr *attr = &evsel->attr; | |
167 | ||
1424dc96 DA |
168 | if (PRINT_FIELD(TRACE) && |
169 | !perf_session__has_traces(session, "record -R")) | |
170 | return -EINVAL; | |
171 | ||
787bef17 | 172 | if (PRINT_FIELD(IP)) { |
9cbdb702 | 173 | if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", |
787bef17 | 174 | PERF_OUTPUT_IP)) |
1424dc96 | 175 | return -EINVAL; |
9cbdb702 | 176 | |
1424dc96 | 177 | if (!no_callchain && |
9cbdb702 | 178 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
179 | symbol_conf.use_callchain = false; |
180 | } | |
7cec0922 DA |
181 | |
182 | if (PRINT_FIELD(ADDR) && | |
183 | perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR", | |
184 | PERF_OUTPUT_ADDR)) | |
185 | return -EINVAL; | |
186 | ||
187 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
188 | pr_err("Display of symbols requested but neither sample IP nor " | |
189 | "sample address\nis selected. Hence, no addresses to convert " | |
190 | "to symbols.\n"); | |
787bef17 DA |
191 | return -EINVAL; |
192 | } | |
7cec0922 DA |
193 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
194 | pr_err("Display of DSO requested but neither sample IP nor " | |
195 | "sample address\nis selected. Hence, no addresses to convert " | |
196 | "to DSO.\n"); | |
610723f2 DA |
197 | return -EINVAL; |
198 | } | |
1424dc96 DA |
199 | |
200 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
9cbdb702 DA |
201 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", |
202 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 203 | return -EINVAL; |
1424dc96 DA |
204 | |
205 | if (PRINT_FIELD(TIME) && | |
9cbdb702 DA |
206 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME", |
207 | PERF_OUTPUT_TIME)) | |
1424dc96 | 208 | return -EINVAL; |
1424dc96 DA |
209 | |
210 | if (PRINT_FIELD(CPU) && | |
9cbdb702 DA |
211 | perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU", |
212 | PERF_OUTPUT_CPU)) | |
1424dc96 | 213 | return -EINVAL; |
9cbdb702 DA |
214 | |
215 | return 0; | |
216 | } | |
217 | ||
218 | /* | |
219 | * verify all user requested events exist and the samples | |
220 | * have the expected data | |
221 | */ | |
222 | static int perf_session__check_output_opt(struct perf_session *session) | |
223 | { | |
224 | int j; | |
225 | struct perf_evsel *evsel; | |
226 | ||
227 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
228 | evsel = perf_session__find_first_evtype(session, j); | |
229 | ||
230 | /* | |
231 | * even if fields is set to 0 (ie., show nothing) event must | |
232 | * exist if user explicitly includes it on the command line | |
233 | */ | |
234 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
235 | pr_err("%s events do not exist. " | |
236 | "Remove corresponding -f option to proceed.\n", | |
237 | event_type(j)); | |
238 | return -1; | |
239 | } | |
240 | ||
241 | if (evsel && output[j].fields && | |
242 | perf_evsel__check_attr(evsel, session)) | |
243 | return -1; | |
1424dc96 DA |
244 | } |
245 | ||
246 | return 0; | |
247 | } | |
745f43e3 | 248 | |
c70c94b4 | 249 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 DA |
250 | struct thread *thread, |
251 | struct perf_event_attr *attr) | |
c70c94b4 DA |
252 | { |
253 | int type; | |
254 | struct event *event; | |
255 | const char *evname = NULL; | |
256 | unsigned long secs; | |
257 | unsigned long usecs; | |
745f43e3 DA |
258 | unsigned long long nsecs; |
259 | ||
260 | if (PRINT_FIELD(COMM)) { | |
261 | if (latency_format) | |
262 | printf("%8.8s ", thread->comm); | |
787bef17 | 263 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
c0230b2b | 264 | printf("%s ", thread->comm); |
745f43e3 DA |
265 | else |
266 | printf("%16s ", thread->comm); | |
267 | } | |
c70c94b4 | 268 | |
745f43e3 DA |
269 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
270 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
271 | else if (PRINT_FIELD(PID)) | |
272 | printf("%5d ", sample->pid); | |
273 | else if (PRINT_FIELD(TID)) | |
274 | printf("%5d ", sample->tid); | |
275 | ||
276 | if (PRINT_FIELD(CPU)) { | |
277 | if (latency_format) | |
278 | printf("%3d ", sample->cpu); | |
279 | else | |
280 | printf("[%03d] ", sample->cpu); | |
281 | } | |
c70c94b4 | 282 | |
745f43e3 DA |
283 | if (PRINT_FIELD(TIME)) { |
284 | nsecs = sample->time; | |
285 | secs = nsecs / NSECS_PER_SEC; | |
286 | nsecs -= secs * NSECS_PER_SEC; | |
287 | usecs = nsecs / NSECS_PER_USEC; | |
288 | printf("%5lu.%06lu: ", secs, usecs); | |
289 | } | |
c70c94b4 | 290 | |
745f43e3 | 291 | if (PRINT_FIELD(EVNAME)) { |
1424dc96 DA |
292 | if (attr->type == PERF_TYPE_TRACEPOINT) { |
293 | type = trace_parse_common_type(sample->raw_data); | |
294 | event = trace_find_event(type); | |
295 | if (event) | |
296 | evname = event->name; | |
297 | } else | |
298 | evname = __event_name(attr->type, attr->config); | |
c70c94b4 | 299 | |
745f43e3 DA |
300 | printf("%s: ", evname ? evname : "(unknown)"); |
301 | } | |
c70c94b4 DA |
302 | } |
303 | ||
7cec0922 DA |
304 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
305 | { | |
306 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
307 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
308 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
309 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
310 | return true; | |
311 | ||
312 | return false; | |
313 | } | |
314 | ||
315 | static void print_sample_addr(union perf_event *event, | |
316 | struct perf_sample *sample, | |
317 | struct perf_session *session, | |
318 | struct thread *thread, | |
319 | struct perf_event_attr *attr) | |
320 | { | |
321 | struct addr_location al; | |
322 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
323 | const char *symname, *dsoname; | |
324 | ||
325 | printf("%16" PRIx64, sample->addr); | |
326 | ||
327 | if (!sample_addr_correlates_sym(attr)) | |
328 | return; | |
329 | ||
330 | thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, | |
331 | event->ip.pid, sample->addr, &al); | |
332 | if (!al.map) | |
333 | thread__find_addr_map(thread, session, cpumode, MAP__VARIABLE, | |
334 | event->ip.pid, sample->addr, &al); | |
335 | ||
336 | al.cpu = sample->cpu; | |
337 | al.sym = NULL; | |
338 | ||
339 | if (al.map) | |
340 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
341 | ||
342 | if (PRINT_FIELD(SYM)) { | |
343 | if (al.sym && al.sym->name) | |
344 | symname = al.sym->name; | |
345 | else | |
346 | symname = ""; | |
347 | ||
348 | printf(" %16s", symname); | |
349 | } | |
350 | ||
351 | if (PRINT_FIELD(DSO)) { | |
352 | if (al.map && al.map->dso && al.map->dso->name) | |
353 | dsoname = al.map->dso->name; | |
354 | else | |
355 | dsoname = ""; | |
356 | ||
357 | printf(" (%s)", dsoname); | |
358 | } | |
359 | } | |
360 | ||
be6d842a DA |
361 | static void process_event(union perf_event *event __unused, |
362 | struct perf_sample *sample, | |
9e69c210 | 363 | struct perf_evsel *evsel, |
1424dc96 | 364 | struct perf_session *session, |
be6d842a DA |
365 | struct thread *thread) |
366 | { | |
9e69c210 | 367 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 368 | |
2c9e45f7 | 369 | if (output[attr->type].fields == 0) |
1424dc96 DA |
370 | return; |
371 | ||
1424dc96 | 372 | print_sample_start(sample, thread, attr); |
745f43e3 DA |
373 | |
374 | if (PRINT_FIELD(TRACE)) | |
375 | print_trace_event(sample->cpu, sample->raw_data, | |
376 | sample->raw_size); | |
377 | ||
7cec0922 DA |
378 | if (PRINT_FIELD(ADDR)) |
379 | print_sample_addr(event, sample, session, thread, attr); | |
380 | ||
787bef17 | 381 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
382 | if (!symbol_conf.use_callchain) |
383 | printf(" "); | |
384 | else | |
385 | printf("\n"); | |
787bef17 | 386 | perf_session__print_ip(event, sample, session, |
610723f2 | 387 | PRINT_FIELD(SYM), PRINT_FIELD(DSO)); |
c0230b2b DA |
388 | } |
389 | ||
c70c94b4 | 390 | printf("\n"); |
be6d842a DA |
391 | } |
392 | ||
586bc5cc TZ |
393 | static int default_start_script(const char *script __unused, |
394 | int argc __unused, | |
395 | const char **argv __unused) | |
956ffd02 TZ |
396 | { |
397 | return 0; | |
398 | } | |
399 | ||
400 | static int default_stop_script(void) | |
401 | { | |
402 | return 0; | |
403 | } | |
404 | ||
586bc5cc | 405 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
406 | { |
407 | return 0; | |
408 | } | |
409 | ||
410 | static struct scripting_ops default_scripting_ops = { | |
411 | .start_script = default_start_script, | |
412 | .stop_script = default_stop_script, | |
be6d842a | 413 | .process_event = process_event, |
956ffd02 TZ |
414 | .generate_script = default_generate_script, |
415 | }; | |
416 | ||
417 | static struct scripting_ops *scripting_ops; | |
418 | ||
419 | static void setup_scripting(void) | |
420 | { | |
16c632de | 421 | setup_perl_scripting(); |
7e4b21b8 | 422 | setup_python_scripting(); |
16c632de | 423 | |
956ffd02 TZ |
424 | scripting_ops = &default_scripting_ops; |
425 | } | |
426 | ||
427 | static int cleanup_scripting(void) | |
428 | { | |
133dc4c3 | 429 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 430 | |
956ffd02 TZ |
431 | return scripting_ops->stop_script(); |
432 | } | |
433 | ||
956ffd02 | 434 | static char const *input_name = "perf.data"; |
5f9c39dc | 435 | |
8115d60c ACM |
436 | static int process_sample_event(union perf_event *event, |
437 | struct perf_sample *sample, | |
9e69c210 | 438 | struct perf_evsel *evsel, |
640c03ce | 439 | struct perf_session *session) |
5f9c39dc | 440 | { |
640c03ce | 441 | struct thread *thread = perf_session__findnew(session, event->ip.pid); |
6ddf259d | 442 | |
5f9c39dc | 443 | if (thread == NULL) { |
6beba7ad ACM |
444 | pr_debug("problem processing %d event, skipping it.\n", |
445 | event->header.type); | |
5f9c39dc FW |
446 | return -1; |
447 | } | |
448 | ||
1424dc96 DA |
449 | if (debug_mode) { |
450 | if (sample->time < last_timestamp) { | |
451 | pr_err("Samples misordered, previous: %" PRIu64 | |
452 | " this: %" PRIu64 "\n", last_timestamp, | |
453 | sample->time); | |
454 | nr_unordered++; | |
e1889d75 | 455 | } |
1424dc96 DA |
456 | last_timestamp = sample->time; |
457 | return 0; | |
5f9c39dc | 458 | } |
5d67be97 AB |
459 | |
460 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) | |
461 | return 0; | |
462 | ||
9e69c210 | 463 | scripting_ops->process_event(event, sample, evsel, session, thread); |
5f9c39dc | 464 | |
640c03ce | 465 | session->hists.stats.total_period += sample->period; |
5f9c39dc FW |
466 | return 0; |
467 | } | |
468 | ||
301a0b02 | 469 | static struct perf_event_ops event_ops = { |
8115d60c | 470 | .sample = process_sample_event, |
c0230b2b | 471 | .mmap = perf_event__process_mmap, |
8115d60c | 472 | .comm = perf_event__process_comm, |
c0230b2b DA |
473 | .exit = perf_event__process_task, |
474 | .fork = perf_event__process_task, | |
8115d60c ACM |
475 | .attr = perf_event__process_attr, |
476 | .event_type = perf_event__process_event_type, | |
477 | .tracing_data = perf_event__process_tracing_data, | |
478 | .build_id = perf_event__process_build_id, | |
e0a808c6 | 479 | .ordered_samples = true, |
8115d60c | 480 | .ordering_requires_timestamps = true, |
016e92fb FW |
481 | }; |
482 | ||
c239da3b TZ |
483 | extern volatile int session_done; |
484 | ||
485 | static void sig_handler(int sig __unused) | |
486 | { | |
487 | session_done = 1; | |
488 | } | |
489 | ||
133dc4c3 | 490 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 491 | { |
6fcf7ddb FW |
492 | int ret; |
493 | ||
c239da3b TZ |
494 | signal(SIGINT, sig_handler); |
495 | ||
6fcf7ddb FW |
496 | ret = perf_session__process_events(session, &event_ops); |
497 | ||
6d8afb56 | 498 | if (debug_mode) |
9486aa38 | 499 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
500 | |
501 | return ret; | |
5f9c39dc FW |
502 | } |
503 | ||
956ffd02 TZ |
504 | struct script_spec { |
505 | struct list_head node; | |
506 | struct scripting_ops *ops; | |
507 | char spec[0]; | |
508 | }; | |
509 | ||
eccdfe2d | 510 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
511 | |
512 | static struct script_spec *script_spec__new(const char *spec, | |
513 | struct scripting_ops *ops) | |
514 | { | |
515 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
516 | ||
517 | if (s != NULL) { | |
518 | strcpy(s->spec, spec); | |
519 | s->ops = ops; | |
520 | } | |
521 | ||
522 | return s; | |
523 | } | |
524 | ||
525 | static void script_spec__delete(struct script_spec *s) | |
526 | { | |
527 | free(s->spec); | |
528 | free(s); | |
529 | } | |
530 | ||
531 | static void script_spec__add(struct script_spec *s) | |
532 | { | |
533 | list_add_tail(&s->node, &script_specs); | |
534 | } | |
535 | ||
536 | static struct script_spec *script_spec__find(const char *spec) | |
537 | { | |
538 | struct script_spec *s; | |
539 | ||
540 | list_for_each_entry(s, &script_specs, node) | |
541 | if (strcasecmp(s->spec, spec) == 0) | |
542 | return s; | |
543 | return NULL; | |
544 | } | |
545 | ||
546 | static struct script_spec *script_spec__findnew(const char *spec, | |
547 | struct scripting_ops *ops) | |
548 | { | |
549 | struct script_spec *s = script_spec__find(spec); | |
550 | ||
551 | if (s) | |
552 | return s; | |
553 | ||
554 | s = script_spec__new(spec, ops); | |
555 | if (!s) | |
556 | goto out_delete_spec; | |
557 | ||
558 | script_spec__add(s); | |
559 | ||
560 | return s; | |
561 | ||
562 | out_delete_spec: | |
563 | script_spec__delete(s); | |
564 | ||
565 | return NULL; | |
566 | } | |
567 | ||
568 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
569 | { | |
570 | struct script_spec *s; | |
571 | ||
572 | s = script_spec__find(spec); | |
573 | if (s) | |
574 | return -1; | |
575 | ||
576 | s = script_spec__findnew(spec, ops); | |
577 | if (!s) | |
578 | return -1; | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
584 | { | |
585 | struct script_spec *s = script_spec__find(spec); | |
586 | if (!s) | |
587 | return NULL; | |
588 | ||
589 | return s->ops; | |
590 | } | |
591 | ||
592 | static void list_available_languages(void) | |
593 | { | |
594 | struct script_spec *s; | |
595 | ||
596 | fprintf(stderr, "\n"); | |
597 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 598 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
599 | |
600 | list_for_each_entry(s, &script_specs, node) | |
601 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
602 | ||
603 | fprintf(stderr, "\n"); | |
604 | } | |
605 | ||
606 | static int parse_scriptname(const struct option *opt __used, | |
607 | const char *str, int unset __used) | |
608 | { | |
609 | char spec[PATH_MAX]; | |
610 | const char *script, *ext; | |
611 | int len; | |
612 | ||
f526d68b | 613 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 614 | list_available_languages(); |
f526d68b | 615 | exit(0); |
956ffd02 TZ |
616 | } |
617 | ||
618 | script = strchr(str, ':'); | |
619 | if (script) { | |
620 | len = script - str; | |
621 | if (len >= PATH_MAX) { | |
622 | fprintf(stderr, "invalid language specifier"); | |
623 | return -1; | |
624 | } | |
625 | strncpy(spec, str, len); | |
626 | spec[len] = '\0'; | |
627 | scripting_ops = script_spec__lookup(spec); | |
628 | if (!scripting_ops) { | |
629 | fprintf(stderr, "invalid language specifier"); | |
630 | return -1; | |
631 | } | |
632 | script++; | |
633 | } else { | |
634 | script = str; | |
d1e95bb5 | 635 | ext = strrchr(script, '.'); |
956ffd02 TZ |
636 | if (!ext) { |
637 | fprintf(stderr, "invalid script extension"); | |
638 | return -1; | |
639 | } | |
640 | scripting_ops = script_spec__lookup(++ext); | |
641 | if (!scripting_ops) { | |
642 | fprintf(stderr, "invalid script extension"); | |
643 | return -1; | |
644 | } | |
645 | } | |
646 | ||
647 | script_name = strdup(script); | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
745f43e3 DA |
652 | static int parse_output_fields(const struct option *opt __used, |
653 | const char *arg, int unset __used) | |
654 | { | |
655 | char *tok; | |
656 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
2c9e45f7 | 657 | int j; |
745f43e3 DA |
658 | int rc = 0; |
659 | char *str = strdup(arg); | |
1424dc96 | 660 | int type = -1; |
745f43e3 DA |
661 | |
662 | if (!str) | |
663 | return -ENOMEM; | |
664 | ||
2c9e45f7 DA |
665 | /* first word can state for which event type the user is specifying |
666 | * the fields. If no type exists, the specified fields apply to all | |
667 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 668 | */ |
2c9e45f7 DA |
669 | tok = strchr(str, ':'); |
670 | if (tok) { | |
671 | *tok = '\0'; | |
672 | tok++; | |
673 | if (!strcmp(str, "hw")) | |
674 | type = PERF_TYPE_HARDWARE; | |
675 | else if (!strcmp(str, "sw")) | |
676 | type = PERF_TYPE_SOFTWARE; | |
677 | else if (!strcmp(str, "trace")) | |
678 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
679 | else if (!strcmp(str, "raw")) |
680 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
681 | else { |
682 | fprintf(stderr, "Invalid event type in field string.\n"); | |
683 | return -EINVAL; | |
684 | } | |
685 | ||
686 | if (output[type].user_set) | |
687 | pr_warning("Overriding previous field request for %s events.\n", | |
688 | event_type(type)); | |
689 | ||
690 | output[type].fields = 0; | |
691 | output[type].user_set = true; | |
9cbdb702 | 692 | output[type].wildcard_set = false; |
2c9e45f7 DA |
693 | |
694 | } else { | |
695 | tok = str; | |
696 | if (strlen(str) == 0) { | |
697 | fprintf(stderr, | |
698 | "Cannot set fields to 'none' for all event types.\n"); | |
699 | rc = -EINVAL; | |
700 | goto out; | |
701 | } | |
702 | ||
703 | if (output_set_by_user()) | |
704 | pr_warning("Overriding previous field request for all events.\n"); | |
705 | ||
706 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
707 | output[j].fields = 0; | |
708 | output[j].user_set = true; | |
9cbdb702 | 709 | output[j].wildcard_set = true; |
2c9e45f7 | 710 | } |
745f43e3 DA |
711 | } |
712 | ||
2c9e45f7 DA |
713 | tok = strtok(tok, ","); |
714 | while (tok) { | |
745f43e3 | 715 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 716 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 717 | break; |
745f43e3 DA |
718 | } |
719 | if (i == imax) { | |
2c9e45f7 | 720 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 721 | rc = -EINVAL; |
2c9e45f7 | 722 | goto out; |
745f43e3 DA |
723 | } |
724 | ||
2c9e45f7 DA |
725 | if (type == -1) { |
726 | /* add user option to all events types for | |
727 | * which it is valid | |
728 | */ | |
729 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
730 | if (output[j].invalid_fields & all_output_options[i].field) { | |
731 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
732 | all_output_options[i].str, event_type(j)); | |
733 | } else | |
734 | output[j].fields |= all_output_options[i].field; | |
735 | } | |
736 | } else { | |
737 | if (output[type].invalid_fields & all_output_options[i].field) { | |
738 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
739 | all_output_options[i].str, event_type(type)); | |
740 | ||
741 | rc = -EINVAL; | |
742 | goto out; | |
743 | } | |
744 | output[type].fields |= all_output_options[i].field; | |
745 | } | |
746 | ||
747 | tok = strtok(NULL, ","); | |
745f43e3 DA |
748 | } |
749 | ||
2c9e45f7 DA |
750 | if (type >= 0) { |
751 | if (output[type].fields == 0) { | |
752 | pr_debug("No fields requested for %s type. " | |
753 | "Events will not be displayed.\n", event_type(type)); | |
754 | } | |
755 | } | |
745f43e3 | 756 | |
2c9e45f7 | 757 | out: |
745f43e3 DA |
758 | free(str); |
759 | return rc; | |
760 | } | |
761 | ||
008f29d3 SB |
762 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
763 | static int is_directory(const char *base_path, const struct dirent *dent) | |
764 | { | |
765 | char path[PATH_MAX]; | |
766 | struct stat st; | |
767 | ||
768 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
769 | if (stat(path, &st)) | |
770 | return 0; | |
771 | ||
772 | return S_ISDIR(st.st_mode); | |
773 | } | |
774 | ||
775 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
776 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
777 | lang_next) \ | |
008f29d3 SB |
778 | if ((lang_dirent.d_type == DT_DIR || \ |
779 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
780 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
781 | (strcmp(lang_dirent.d_name, ".")) && \ |
782 | (strcmp(lang_dirent.d_name, ".."))) | |
783 | ||
008f29d3 | 784 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
785 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
786 | script_next) \ | |
008f29d3 SB |
787 | if (script_dirent.d_type != DT_DIR && \ |
788 | (script_dirent.d_type != DT_UNKNOWN || \ | |
789 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
790 | |
791 | ||
792 | #define RECORD_SUFFIX "-record" | |
793 | #define REPORT_SUFFIX "-report" | |
794 | ||
795 | struct script_desc { | |
796 | struct list_head node; | |
797 | char *name; | |
798 | char *half_liner; | |
799 | char *args; | |
800 | }; | |
801 | ||
eccdfe2d | 802 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
803 | |
804 | static struct script_desc *script_desc__new(const char *name) | |
805 | { | |
806 | struct script_desc *s = zalloc(sizeof(*s)); | |
807 | ||
b5b87312 | 808 | if (s != NULL && name) |
4b9c0c59 TZ |
809 | s->name = strdup(name); |
810 | ||
811 | return s; | |
812 | } | |
813 | ||
814 | static void script_desc__delete(struct script_desc *s) | |
815 | { | |
816 | free(s->name); | |
e8719adf TZ |
817 | free(s->half_liner); |
818 | free(s->args); | |
4b9c0c59 TZ |
819 | free(s); |
820 | } | |
821 | ||
822 | static void script_desc__add(struct script_desc *s) | |
823 | { | |
824 | list_add_tail(&s->node, &script_descs); | |
825 | } | |
826 | ||
827 | static struct script_desc *script_desc__find(const char *name) | |
828 | { | |
829 | struct script_desc *s; | |
830 | ||
831 | list_for_each_entry(s, &script_descs, node) | |
832 | if (strcasecmp(s->name, name) == 0) | |
833 | return s; | |
834 | return NULL; | |
835 | } | |
836 | ||
837 | static struct script_desc *script_desc__findnew(const char *name) | |
838 | { | |
839 | struct script_desc *s = script_desc__find(name); | |
840 | ||
841 | if (s) | |
842 | return s; | |
843 | ||
844 | s = script_desc__new(name); | |
845 | if (!s) | |
846 | goto out_delete_desc; | |
847 | ||
848 | script_desc__add(s); | |
849 | ||
850 | return s; | |
851 | ||
852 | out_delete_desc: | |
853 | script_desc__delete(s); | |
854 | ||
855 | return NULL; | |
856 | } | |
857 | ||
965bb6be | 858 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
859 | { |
860 | size_t suffix_len = strlen(suffix); | |
965bb6be | 861 | const char *p = str; |
4b9c0c59 TZ |
862 | |
863 | if (strlen(str) > suffix_len) { | |
864 | p = str + strlen(str) - suffix_len; | |
865 | if (!strncmp(p, suffix, suffix_len)) | |
866 | return p; | |
867 | } | |
868 | ||
869 | return NULL; | |
870 | } | |
871 | ||
872 | static char *ltrim(char *str) | |
873 | { | |
874 | int len = strlen(str); | |
875 | ||
876 | while (len && isspace(*str)) { | |
877 | len--; | |
878 | str++; | |
879 | } | |
880 | ||
881 | return str; | |
882 | } | |
883 | ||
884 | static int read_script_info(struct script_desc *desc, const char *filename) | |
885 | { | |
886 | char line[BUFSIZ], *p; | |
887 | FILE *fp; | |
888 | ||
889 | fp = fopen(filename, "r"); | |
890 | if (!fp) | |
891 | return -1; | |
892 | ||
893 | while (fgets(line, sizeof(line), fp)) { | |
894 | p = ltrim(line); | |
895 | if (strlen(p) == 0) | |
896 | continue; | |
897 | if (*p != '#') | |
898 | continue; | |
899 | p++; | |
900 | if (strlen(p) && *p == '!') | |
901 | continue; | |
902 | ||
903 | p = ltrim(p); | |
904 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
905 | p[strlen(p) - 1] = '\0'; | |
906 | ||
907 | if (!strncmp(p, "description:", strlen("description:"))) { | |
908 | p += strlen("description:"); | |
909 | desc->half_liner = strdup(ltrim(p)); | |
910 | continue; | |
911 | } | |
912 | ||
913 | if (!strncmp(p, "args:", strlen("args:"))) { | |
914 | p += strlen("args:"); | |
915 | desc->args = strdup(ltrim(p)); | |
916 | continue; | |
917 | } | |
918 | } | |
919 | ||
920 | fclose(fp); | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
925 | static int list_available_scripts(const struct option *opt __used, | |
926 | const char *s __used, int unset __used) | |
927 | { | |
928 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
929 | char scripts_path[MAXPATHLEN]; | |
930 | DIR *scripts_dir, *lang_dir; | |
931 | char script_path[MAXPATHLEN]; | |
932 | char lang_path[MAXPATHLEN]; | |
933 | struct script_desc *desc; | |
934 | char first_half[BUFSIZ]; | |
935 | char *script_root; | |
936 | char *str; | |
937 | ||
938 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
939 | ||
940 | scripts_dir = opendir(scripts_path); | |
941 | if (!scripts_dir) | |
942 | return -1; | |
943 | ||
008f29d3 | 944 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
945 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
946 | lang_dirent.d_name); | |
947 | lang_dir = opendir(lang_path); | |
948 | if (!lang_dir) | |
949 | continue; | |
950 | ||
008f29d3 | 951 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
4b9c0c59 | 952 | script_root = strdup(script_dirent.d_name); |
965bb6be | 953 | str = (char *)ends_with(script_root, REPORT_SUFFIX); |
4b9c0c59 TZ |
954 | if (str) { |
955 | *str = '\0'; | |
956 | desc = script_desc__findnew(script_root); | |
957 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
958 | lang_path, script_dirent.d_name); | |
959 | read_script_info(desc, script_path); | |
960 | } | |
961 | free(script_root); | |
962 | } | |
963 | } | |
964 | ||
965 | fprintf(stdout, "List of available trace scripts:\n"); | |
966 | list_for_each_entry(desc, &script_descs, node) { | |
967 | sprintf(first_half, "%s %s", desc->name, | |
968 | desc->args ? desc->args : ""); | |
969 | fprintf(stdout, " %-36s %s\n", first_half, | |
970 | desc->half_liner ? desc->half_liner : ""); | |
971 | } | |
972 | ||
973 | exit(0); | |
974 | } | |
975 | ||
3875294f TZ |
976 | static char *get_script_path(const char *script_root, const char *suffix) |
977 | { | |
978 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
979 | char scripts_path[MAXPATHLEN]; | |
980 | char script_path[MAXPATHLEN]; | |
981 | DIR *scripts_dir, *lang_dir; | |
982 | char lang_path[MAXPATHLEN]; | |
983 | char *str, *__script_root; | |
984 | char *path = NULL; | |
985 | ||
986 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
987 | ||
988 | scripts_dir = opendir(scripts_path); | |
989 | if (!scripts_dir) | |
990 | return NULL; | |
991 | ||
008f29d3 | 992 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
993 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
994 | lang_dirent.d_name); | |
995 | lang_dir = opendir(lang_path); | |
996 | if (!lang_dir) | |
997 | continue; | |
998 | ||
008f29d3 | 999 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
3875294f | 1000 | __script_root = strdup(script_dirent.d_name); |
965bb6be | 1001 | str = (char *)ends_with(__script_root, suffix); |
3875294f TZ |
1002 | if (str) { |
1003 | *str = '\0'; | |
1004 | if (strcmp(__script_root, script_root)) | |
1005 | continue; | |
1006 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1007 | lang_path, script_dirent.d_name); | |
1008 | path = strdup(script_path); | |
1009 | free(__script_root); | |
1010 | break; | |
1011 | } | |
1012 | free(__script_root); | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | return path; | |
1017 | } | |
1018 | ||
b5b87312 TZ |
1019 | static bool is_top_script(const char *script_path) |
1020 | { | |
965bb6be | 1021 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1022 | } |
1023 | ||
1024 | static int has_required_arg(char *script_path) | |
1025 | { | |
1026 | struct script_desc *desc; | |
1027 | int n_args = 0; | |
1028 | char *p; | |
1029 | ||
1030 | desc = script_desc__new(NULL); | |
1031 | ||
1032 | if (read_script_info(desc, script_path)) | |
1033 | goto out; | |
1034 | ||
1035 | if (!desc->args) | |
1036 | goto out; | |
1037 | ||
1038 | for (p = desc->args; *p; p++) | |
1039 | if (*p == '<') | |
1040 | n_args++; | |
1041 | out: | |
1042 | script_desc__delete(desc); | |
1043 | ||
1044 | return n_args; | |
1045 | } | |
1046 | ||
133dc4c3 IM |
1047 | static const char * const script_usage[] = { |
1048 | "perf script [<options>]", | |
1049 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1050 | "perf script [<options>] report <script> [script-args]", | |
1051 | "perf script [<options>] <script> [<record-options>] <command>", | |
1052 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
1053 | NULL |
1054 | }; | |
1055 | ||
1056 | static const struct option options[] = { | |
1057 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1058 | "dump raw trace in ASCII"), | |
c0555642 | 1059 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 1060 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1061 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1062 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1063 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1064 | list_available_scripts), | |
956ffd02 TZ |
1065 | OPT_CALLBACK('s', "script", NULL, "name", |
1066 | "script file name (lang:script name, script name, or *)", | |
1067 | parse_scriptname), | |
1068 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1069 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
1070 | OPT_STRING('i', "input", &input_name, "file", |
1071 | "input file name"), | |
ffabd99e FW |
1072 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1073 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1074 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1075 | "file", "vmlinux pathname"), | |
1076 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1077 | "file", "kallsyms pathname"), | |
1078 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1079 | "When printing symbols do not display call chain"), | |
1080 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1081 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1082 | OPT_CALLBACK('f', "fields", NULL, "str", |
7cec0922 | 1083 | "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr", |
745f43e3 | 1084 | parse_output_fields), |
5d67be97 | 1085 | OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
956ffd02 | 1086 | |
1909629f | 1087 | OPT_END() |
5f9c39dc FW |
1088 | }; |
1089 | ||
34c86ea9 TZ |
1090 | static bool have_cmd(int argc, const char **argv) |
1091 | { | |
1092 | char **__argv = malloc(sizeof(const char *) * argc); | |
1093 | ||
1094 | if (!__argv) | |
1095 | die("malloc"); | |
1096 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1097 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1098 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1099 | free(__argv); | |
1100 | ||
1101 | return argc != 0; | |
1102 | } | |
1103 | ||
133dc4c3 | 1104 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 1105 | { |
b5b87312 TZ |
1106 | char *rec_script_path = NULL; |
1107 | char *rep_script_path = NULL; | |
d8f66248 | 1108 | struct perf_session *session; |
b5b87312 | 1109 | char *script_path = NULL; |
3875294f | 1110 | const char **__argv; |
b5b87312 TZ |
1111 | bool system_wide; |
1112 | int i, j, err; | |
3875294f | 1113 | |
b5b87312 TZ |
1114 | setup_scripting(); |
1115 | ||
133dc4c3 | 1116 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1117 | PARSE_OPT_STOP_AT_NON_OPTION); |
1118 | ||
1119 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1120 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1121 | if (!rec_script_path) | |
1122 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1123 | } |
1124 | ||
b5b87312 TZ |
1125 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1126 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1127 | if (!rep_script_path) { | |
3875294f | 1128 | fprintf(stderr, |
b5b87312 | 1129 | "Please specify a valid report script" |
133dc4c3 | 1130 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1131 | return -1; |
1132 | } | |
3875294f TZ |
1133 | } |
1134 | ||
44e668c6 BH |
1135 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1136 | perf_set_argv_exec_path(perf_exec_path()); | |
1137 | ||
b5b87312 | 1138 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1139 | int live_pipe[2]; |
b5b87312 | 1140 | int rep_args; |
a0cccc2e TZ |
1141 | pid_t pid; |
1142 | ||
b5b87312 TZ |
1143 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1144 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1145 | ||
1146 | if (!rec_script_path && !rep_script_path) { | |
1147 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1148 | " script -l for available scripts.\n", argv[0]); |
1149 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1150 | } |
1151 | ||
b5b87312 TZ |
1152 | if (is_top_script(argv[0])) { |
1153 | rep_args = argc - 1; | |
1154 | } else { | |
1155 | int rec_args; | |
1156 | ||
1157 | rep_args = has_required_arg(rep_script_path); | |
1158 | rec_args = (argc - 1) - rep_args; | |
1159 | if (rec_args < 0) { | |
1160 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1161 | "\n\n See perf script -l for available " |
b5b87312 | 1162 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1163 | usage_with_options(script_usage, options); |
b5b87312 | 1164 | } |
a0cccc2e TZ |
1165 | } |
1166 | ||
1167 | if (pipe(live_pipe) < 0) { | |
1168 | perror("failed to create pipe"); | |
1169 | exit(-1); | |
1170 | } | |
1171 | ||
1172 | pid = fork(); | |
1173 | if (pid < 0) { | |
1174 | perror("failed to fork"); | |
1175 | exit(-1); | |
1176 | } | |
1177 | ||
1178 | if (!pid) { | |
b5b87312 TZ |
1179 | system_wide = true; |
1180 | j = 0; | |
1181 | ||
a0cccc2e TZ |
1182 | dup2(live_pipe[1], 1); |
1183 | close(live_pipe[0]); | |
1184 | ||
b5b87312 TZ |
1185 | if (!is_top_script(argv[0])) |
1186 | system_wide = !have_cmd(argc - rep_args, | |
1187 | &argv[rep_args]); | |
1188 | ||
1189 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
1190 | if (!__argv) |
1191 | die("malloc"); | |
1192 | ||
b5b87312 TZ |
1193 | __argv[j++] = "/bin/sh"; |
1194 | __argv[j++] = rec_script_path; | |
1195 | if (system_wide) | |
1196 | __argv[j++] = "-a"; | |
1197 | __argv[j++] = "-q"; | |
1198 | __argv[j++] = "-o"; | |
1199 | __argv[j++] = "-"; | |
1200 | for (i = rep_args + 1; i < argc; i++) | |
1201 | __argv[j++] = argv[i]; | |
1202 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1203 | |
1204 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1205 | free(__argv); |
a0cccc2e TZ |
1206 | exit(-1); |
1207 | } | |
1208 | ||
1209 | dup2(live_pipe[0], 0); | |
1210 | close(live_pipe[1]); | |
1211 | ||
b5b87312 | 1212 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
1213 | if (!__argv) |
1214 | die("malloc"); | |
b5b87312 TZ |
1215 | j = 0; |
1216 | __argv[j++] = "/bin/sh"; | |
1217 | __argv[j++] = rep_script_path; | |
1218 | for (i = 1; i < rep_args + 1; i++) | |
1219 | __argv[j++] = argv[i]; | |
1220 | __argv[j++] = "-i"; | |
1221 | __argv[j++] = "-"; | |
1222 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1223 | |
1224 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1225 | free(__argv); |
a0cccc2e TZ |
1226 | exit(-1); |
1227 | } | |
1228 | ||
b5b87312 TZ |
1229 | if (rec_script_path) |
1230 | script_path = rec_script_path; | |
1231 | if (rep_script_path) | |
1232 | script_path = rep_script_path; | |
34c86ea9 | 1233 | |
b5b87312 TZ |
1234 | if (script_path) { |
1235 | system_wide = false; | |
1236 | j = 0; | |
3875294f | 1237 | |
b5b87312 TZ |
1238 | if (rec_script_path) |
1239 | system_wide = !have_cmd(argc - 1, &argv[1]); | |
34c86ea9 | 1240 | |
b5b87312 | 1241 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
1242 | if (!__argv) |
1243 | die("malloc"); | |
34c86ea9 TZ |
1244 | __argv[j++] = "/bin/sh"; |
1245 | __argv[j++] = script_path; | |
1246 | if (system_wide) | |
1247 | __argv[j++] = "-a"; | |
b5b87312 | 1248 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1249 | __argv[j++] = argv[i]; |
1250 | __argv[j++] = NULL; | |
3875294f TZ |
1251 | |
1252 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1253 | free(__argv); |
3875294f TZ |
1254 | exit(-1); |
1255 | } | |
956ffd02 | 1256 | |
655000e7 ACM |
1257 | if (symbol__init() < 0) |
1258 | return -1; | |
cf4fee50 TZ |
1259 | if (!script_name) |
1260 | setup_pager(); | |
5f9c39dc | 1261 | |
21ef97f0 | 1262 | session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops); |
d8f66248 ACM |
1263 | if (session == NULL) |
1264 | return -ENOMEM; | |
1265 | ||
5d67be97 AB |
1266 | if (cpu_list) { |
1267 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1268 | return -1; | |
1269 | } | |
1270 | ||
1424dc96 | 1271 | if (!no_callchain) |
c0230b2b DA |
1272 | symbol_conf.use_callchain = true; |
1273 | else | |
1274 | symbol_conf.use_callchain = false; | |
1275 | ||
956ffd02 TZ |
1276 | if (generate_script_lang) { |
1277 | struct stat perf_stat; | |
745f43e3 DA |
1278 | int input; |
1279 | ||
2c9e45f7 | 1280 | if (output_set_by_user()) { |
745f43e3 DA |
1281 | fprintf(stderr, |
1282 | "custom fields not supported for generated scripts"); | |
1283 | return -1; | |
1284 | } | |
956ffd02 | 1285 | |
745f43e3 | 1286 | input = open(input_name, O_RDONLY); |
956ffd02 TZ |
1287 | if (input < 0) { |
1288 | perror("failed to open file"); | |
1289 | exit(-1); | |
1290 | } | |
1291 | ||
1292 | err = fstat(input, &perf_stat); | |
1293 | if (err < 0) { | |
1294 | perror("failed to stat file"); | |
1295 | exit(-1); | |
1296 | } | |
1297 | ||
1298 | if (!perf_stat.st_size) { | |
1299 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1300 | exit(0); | |
1301 | } | |
1302 | ||
1303 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1304 | if (!scripting_ops) { | |
1305 | fprintf(stderr, "invalid language specifier"); | |
1306 | return -1; | |
1307 | } | |
1308 | ||
133dc4c3 | 1309 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
1310 | goto out; |
1311 | } | |
1312 | ||
1313 | if (script_name) { | |
586bc5cc | 1314 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1315 | if (err) |
1316 | goto out; | |
133dc4c3 | 1317 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1318 | } |
1319 | ||
9cbdb702 DA |
1320 | |
1321 | err = perf_session__check_output_opt(session); | |
1322 | if (err < 0) | |
1323 | goto out; | |
1324 | ||
133dc4c3 | 1325 | err = __cmd_script(session); |
956ffd02 | 1326 | |
d8f66248 | 1327 | perf_session__delete(session); |
956ffd02 TZ |
1328 | cleanup_scripting(); |
1329 | out: | |
1330 | return err; | |
5f9c39dc | 1331 | } |