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; |
fbe96f29 | 25 | static bool show_full_info; |
5d67be97 AB |
26 | static const char *cpu_list; |
27 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 28 | |
745f43e3 DA |
29 | enum perf_output_field { |
30 | PERF_OUTPUT_COMM = 1U << 0, | |
31 | PERF_OUTPUT_TID = 1U << 1, | |
32 | PERF_OUTPUT_PID = 1U << 2, | |
33 | PERF_OUTPUT_TIME = 1U << 3, | |
34 | PERF_OUTPUT_CPU = 1U << 4, | |
35 | PERF_OUTPUT_EVNAME = 1U << 5, | |
36 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
37 | PERF_OUTPUT_IP = 1U << 7, |
38 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 39 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 40 | PERF_OUTPUT_ADDR = 1U << 10, |
745f43e3 DA |
41 | }; |
42 | ||
43 | struct output_option { | |
44 | const char *str; | |
45 | enum perf_output_field field; | |
46 | } all_output_options[] = { | |
47 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
48 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
49 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
50 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
51 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
52 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
53 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 54 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 55 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 56 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 57 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
745f43e3 DA |
58 | }; |
59 | ||
60 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
61 | static struct { |
62 | bool user_set; | |
9cbdb702 | 63 | bool wildcard_set; |
2c9e45f7 DA |
64 | u64 fields; |
65 | u64 invalid_fields; | |
66 | } output[PERF_TYPE_MAX] = { | |
67 | ||
68 | [PERF_TYPE_HARDWARE] = { | |
69 | .user_set = false, | |
70 | ||
71 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
72 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 73 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 74 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
75 | |
76 | .invalid_fields = PERF_OUTPUT_TRACE, | |
77 | }, | |
78 | ||
79 | [PERF_TYPE_SOFTWARE] = { | |
80 | .user_set = false, | |
81 | ||
82 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
83 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 84 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 85 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
86 | |
87 | .invalid_fields = PERF_OUTPUT_TRACE, | |
88 | }, | |
89 | ||
90 | [PERF_TYPE_TRACEPOINT] = { | |
91 | .user_set = false, | |
92 | ||
93 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
94 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
95 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
96 | }, | |
0817a6a3 AS |
97 | |
98 | [PERF_TYPE_RAW] = { | |
99 | .user_set = false, | |
100 | ||
101 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
102 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 103 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 104 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
105 | |
106 | .invalid_fields = PERF_OUTPUT_TRACE, | |
107 | }, | |
1424dc96 | 108 | }; |
745f43e3 | 109 | |
2c9e45f7 DA |
110 | static bool output_set_by_user(void) |
111 | { | |
112 | int j; | |
113 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
114 | if (output[j].user_set) | |
115 | return true; | |
116 | } | |
117 | return false; | |
118 | } | |
745f43e3 | 119 | |
9cbdb702 DA |
120 | static const char *output_field2str(enum perf_output_field field) |
121 | { | |
122 | int i, imax = ARRAY_SIZE(all_output_options); | |
123 | const char *str = ""; | |
124 | ||
125 | for (i = 0; i < imax; ++i) { | |
126 | if (all_output_options[i].field == field) { | |
127 | str = all_output_options[i].str; | |
128 | break; | |
129 | } | |
130 | } | |
131 | return str; | |
132 | } | |
133 | ||
2c9e45f7 | 134 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 135 | |
9cbdb702 DA |
136 | static int perf_event_attr__check_stype(struct perf_event_attr *attr, |
137 | u64 sample_type, const char *sample_msg, | |
138 | enum perf_output_field field) | |
1424dc96 | 139 | { |
9cbdb702 DA |
140 | int type = attr->type; |
141 | const char *evname; | |
142 | ||
143 | if (attr->sample_type & sample_type) | |
144 | return 0; | |
145 | ||
146 | if (output[type].user_set) { | |
147 | evname = __event_name(attr->type, attr->config); | |
148 | pr_err("Samples for '%s' event do not have %s attribute set. " | |
149 | "Cannot print '%s' field.\n", | |
150 | evname, sample_msg, output_field2str(field)); | |
151 | return -1; | |
152 | } | |
153 | ||
154 | /* user did not ask for it explicitly so remove from the default list */ | |
155 | output[type].fields &= ~field; | |
156 | evname = __event_name(attr->type, attr->config); | |
157 | pr_debug("Samples for '%s' event do not have %s attribute set. " | |
158 | "Skipping '%s' field.\n", | |
159 | evname, sample_msg, output_field2str(field)); | |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
164 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
165 | struct perf_session *session) | |
166 | { | |
167 | struct perf_event_attr *attr = &evsel->attr; | |
168 | ||
1424dc96 DA |
169 | if (PRINT_FIELD(TRACE) && |
170 | !perf_session__has_traces(session, "record -R")) | |
171 | return -EINVAL; | |
172 | ||
787bef17 | 173 | if (PRINT_FIELD(IP)) { |
9cbdb702 | 174 | if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", |
787bef17 | 175 | PERF_OUTPUT_IP)) |
1424dc96 | 176 | return -EINVAL; |
9cbdb702 | 177 | |
1424dc96 | 178 | if (!no_callchain && |
9cbdb702 | 179 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
180 | symbol_conf.use_callchain = false; |
181 | } | |
7cec0922 DA |
182 | |
183 | if (PRINT_FIELD(ADDR) && | |
184 | perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR", | |
185 | PERF_OUTPUT_ADDR)) | |
186 | return -EINVAL; | |
187 | ||
188 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
189 | pr_err("Display of symbols requested but neither sample IP nor " | |
190 | "sample address\nis selected. Hence, no addresses to convert " | |
191 | "to symbols.\n"); | |
787bef17 DA |
192 | return -EINVAL; |
193 | } | |
7cec0922 DA |
194 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
195 | pr_err("Display of DSO requested but neither sample IP nor " | |
196 | "sample address\nis selected. Hence, no addresses to convert " | |
197 | "to DSO.\n"); | |
610723f2 DA |
198 | return -EINVAL; |
199 | } | |
1424dc96 DA |
200 | |
201 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
9cbdb702 DA |
202 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", |
203 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 204 | return -EINVAL; |
1424dc96 DA |
205 | |
206 | if (PRINT_FIELD(TIME) && | |
9cbdb702 DA |
207 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME", |
208 | PERF_OUTPUT_TIME)) | |
1424dc96 | 209 | return -EINVAL; |
1424dc96 DA |
210 | |
211 | if (PRINT_FIELD(CPU) && | |
9cbdb702 DA |
212 | perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU", |
213 | PERF_OUTPUT_CPU)) | |
1424dc96 | 214 | return -EINVAL; |
9cbdb702 DA |
215 | |
216 | return 0; | |
217 | } | |
218 | ||
219 | /* | |
220 | * verify all user requested events exist and the samples | |
221 | * have the expected data | |
222 | */ | |
223 | static int perf_session__check_output_opt(struct perf_session *session) | |
224 | { | |
225 | int j; | |
226 | struct perf_evsel *evsel; | |
227 | ||
228 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
229 | evsel = perf_session__find_first_evtype(session, j); | |
230 | ||
231 | /* | |
232 | * even if fields is set to 0 (ie., show nothing) event must | |
233 | * exist if user explicitly includes it on the command line | |
234 | */ | |
235 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
236 | pr_err("%s events do not exist. " | |
237 | "Remove corresponding -f option to proceed.\n", | |
238 | event_type(j)); | |
239 | return -1; | |
240 | } | |
241 | ||
242 | if (evsel && output[j].fields && | |
243 | perf_evsel__check_attr(evsel, session)) | |
244 | return -1; | |
1424dc96 DA |
245 | } |
246 | ||
247 | return 0; | |
248 | } | |
745f43e3 | 249 | |
c70c94b4 | 250 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 DA |
251 | struct thread *thread, |
252 | struct perf_event_attr *attr) | |
c70c94b4 DA |
253 | { |
254 | int type; | |
255 | struct event *event; | |
256 | const char *evname = NULL; | |
257 | unsigned long secs; | |
258 | unsigned long usecs; | |
745f43e3 DA |
259 | unsigned long long nsecs; |
260 | ||
261 | if (PRINT_FIELD(COMM)) { | |
262 | if (latency_format) | |
263 | printf("%8.8s ", thread->comm); | |
787bef17 | 264 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
c0230b2b | 265 | printf("%s ", thread->comm); |
745f43e3 DA |
266 | else |
267 | printf("%16s ", thread->comm); | |
268 | } | |
c70c94b4 | 269 | |
745f43e3 DA |
270 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
271 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
272 | else if (PRINT_FIELD(PID)) | |
273 | printf("%5d ", sample->pid); | |
274 | else if (PRINT_FIELD(TID)) | |
275 | printf("%5d ", sample->tid); | |
276 | ||
277 | if (PRINT_FIELD(CPU)) { | |
278 | if (latency_format) | |
279 | printf("%3d ", sample->cpu); | |
280 | else | |
281 | printf("[%03d] ", sample->cpu); | |
282 | } | |
c70c94b4 | 283 | |
745f43e3 DA |
284 | if (PRINT_FIELD(TIME)) { |
285 | nsecs = sample->time; | |
286 | secs = nsecs / NSECS_PER_SEC; | |
287 | nsecs -= secs * NSECS_PER_SEC; | |
288 | usecs = nsecs / NSECS_PER_USEC; | |
289 | printf("%5lu.%06lu: ", secs, usecs); | |
290 | } | |
c70c94b4 | 291 | |
745f43e3 | 292 | if (PRINT_FIELD(EVNAME)) { |
1424dc96 DA |
293 | if (attr->type == PERF_TYPE_TRACEPOINT) { |
294 | type = trace_parse_common_type(sample->raw_data); | |
295 | event = trace_find_event(type); | |
296 | if (event) | |
297 | evname = event->name; | |
298 | } else | |
299 | evname = __event_name(attr->type, attr->config); | |
c70c94b4 | 300 | |
745f43e3 DA |
301 | printf("%s: ", evname ? evname : "(unknown)"); |
302 | } | |
c70c94b4 DA |
303 | } |
304 | ||
7cec0922 DA |
305 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
306 | { | |
307 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
308 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
309 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
310 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
311 | return true; | |
312 | ||
313 | return false; | |
314 | } | |
315 | ||
316 | static void print_sample_addr(union perf_event *event, | |
317 | struct perf_sample *sample, | |
318 | struct perf_session *session, | |
319 | struct thread *thread, | |
320 | struct perf_event_attr *attr) | |
321 | { | |
322 | struct addr_location al; | |
323 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
324 | const char *symname, *dsoname; | |
325 | ||
326 | printf("%16" PRIx64, sample->addr); | |
327 | ||
328 | if (!sample_addr_correlates_sym(attr)) | |
329 | return; | |
330 | ||
331 | thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, | |
332 | event->ip.pid, sample->addr, &al); | |
333 | if (!al.map) | |
334 | thread__find_addr_map(thread, session, cpumode, MAP__VARIABLE, | |
335 | event->ip.pid, sample->addr, &al); | |
336 | ||
337 | al.cpu = sample->cpu; | |
338 | al.sym = NULL; | |
339 | ||
340 | if (al.map) | |
341 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
342 | ||
343 | if (PRINT_FIELD(SYM)) { | |
344 | if (al.sym && al.sym->name) | |
345 | symname = al.sym->name; | |
346 | else | |
347 | symname = ""; | |
348 | ||
349 | printf(" %16s", symname); | |
350 | } | |
351 | ||
352 | if (PRINT_FIELD(DSO)) { | |
353 | if (al.map && al.map->dso && al.map->dso->name) | |
354 | dsoname = al.map->dso->name; | |
355 | else | |
356 | dsoname = ""; | |
357 | ||
358 | printf(" (%s)", dsoname); | |
359 | } | |
360 | } | |
361 | ||
be6d842a DA |
362 | static void process_event(union perf_event *event __unused, |
363 | struct perf_sample *sample, | |
9e69c210 | 364 | struct perf_evsel *evsel, |
1424dc96 | 365 | struct perf_session *session, |
be6d842a DA |
366 | struct thread *thread) |
367 | { | |
9e69c210 | 368 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 369 | |
2c9e45f7 | 370 | if (output[attr->type].fields == 0) |
1424dc96 DA |
371 | return; |
372 | ||
1424dc96 | 373 | print_sample_start(sample, thread, attr); |
745f43e3 DA |
374 | |
375 | if (PRINT_FIELD(TRACE)) | |
376 | print_trace_event(sample->cpu, sample->raw_data, | |
377 | sample->raw_size); | |
378 | ||
7cec0922 DA |
379 | if (PRINT_FIELD(ADDR)) |
380 | print_sample_addr(event, sample, session, thread, attr); | |
381 | ||
787bef17 | 382 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
383 | if (!symbol_conf.use_callchain) |
384 | printf(" "); | |
385 | else | |
386 | printf("\n"); | |
246d4ce8 | 387 | perf_session__print_ip(event, evsel, sample, session, |
610723f2 | 388 | PRINT_FIELD(SYM), PRINT_FIELD(DSO)); |
c0230b2b DA |
389 | } |
390 | ||
c70c94b4 | 391 | printf("\n"); |
be6d842a DA |
392 | } |
393 | ||
586bc5cc TZ |
394 | static int default_start_script(const char *script __unused, |
395 | int argc __unused, | |
396 | const char **argv __unused) | |
956ffd02 TZ |
397 | { |
398 | return 0; | |
399 | } | |
400 | ||
401 | static int default_stop_script(void) | |
402 | { | |
403 | return 0; | |
404 | } | |
405 | ||
586bc5cc | 406 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
407 | { |
408 | return 0; | |
409 | } | |
410 | ||
411 | static struct scripting_ops default_scripting_ops = { | |
412 | .start_script = default_start_script, | |
413 | .stop_script = default_stop_script, | |
be6d842a | 414 | .process_event = process_event, |
956ffd02 TZ |
415 | .generate_script = default_generate_script, |
416 | }; | |
417 | ||
418 | static struct scripting_ops *scripting_ops; | |
419 | ||
420 | static void setup_scripting(void) | |
421 | { | |
16c632de | 422 | setup_perl_scripting(); |
7e4b21b8 | 423 | setup_python_scripting(); |
16c632de | 424 | |
956ffd02 TZ |
425 | scripting_ops = &default_scripting_ops; |
426 | } | |
427 | ||
428 | static int cleanup_scripting(void) | |
429 | { | |
133dc4c3 | 430 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 431 | |
956ffd02 TZ |
432 | return scripting_ops->stop_script(); |
433 | } | |
434 | ||
956ffd02 | 435 | static char const *input_name = "perf.data"; |
5f9c39dc | 436 | |
8115d60c ACM |
437 | static int process_sample_event(union perf_event *event, |
438 | struct perf_sample *sample, | |
9e69c210 | 439 | struct perf_evsel *evsel, |
640c03ce | 440 | struct perf_session *session) |
5f9c39dc | 441 | { |
640c03ce | 442 | struct thread *thread = perf_session__findnew(session, event->ip.pid); |
6ddf259d | 443 | |
5f9c39dc | 444 | if (thread == NULL) { |
6beba7ad ACM |
445 | pr_debug("problem processing %d event, skipping it.\n", |
446 | event->header.type); | |
5f9c39dc FW |
447 | return -1; |
448 | } | |
449 | ||
1424dc96 DA |
450 | if (debug_mode) { |
451 | if (sample->time < last_timestamp) { | |
452 | pr_err("Samples misordered, previous: %" PRIu64 | |
453 | " this: %" PRIu64 "\n", last_timestamp, | |
454 | sample->time); | |
455 | nr_unordered++; | |
e1889d75 | 456 | } |
1424dc96 DA |
457 | last_timestamp = sample->time; |
458 | return 0; | |
5f9c39dc | 459 | } |
5d67be97 AB |
460 | |
461 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) | |
462 | return 0; | |
463 | ||
9e69c210 | 464 | scripting_ops->process_event(event, sample, evsel, session, thread); |
5f9c39dc | 465 | |
640c03ce | 466 | session->hists.stats.total_period += sample->period; |
5f9c39dc FW |
467 | return 0; |
468 | } | |
469 | ||
301a0b02 | 470 | static struct perf_event_ops event_ops = { |
8115d60c | 471 | .sample = process_sample_event, |
c0230b2b | 472 | .mmap = perf_event__process_mmap, |
8115d60c | 473 | .comm = perf_event__process_comm, |
c0230b2b DA |
474 | .exit = perf_event__process_task, |
475 | .fork = perf_event__process_task, | |
8115d60c ACM |
476 | .attr = perf_event__process_attr, |
477 | .event_type = perf_event__process_event_type, | |
478 | .tracing_data = perf_event__process_tracing_data, | |
479 | .build_id = perf_event__process_build_id, | |
e0a808c6 | 480 | .ordered_samples = true, |
8115d60c | 481 | .ordering_requires_timestamps = true, |
016e92fb FW |
482 | }; |
483 | ||
c239da3b TZ |
484 | extern volatile int session_done; |
485 | ||
486 | static void sig_handler(int sig __unused) | |
487 | { | |
488 | session_done = 1; | |
489 | } | |
490 | ||
133dc4c3 | 491 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 492 | { |
6fcf7ddb FW |
493 | int ret; |
494 | ||
c239da3b TZ |
495 | signal(SIGINT, sig_handler); |
496 | ||
6fcf7ddb FW |
497 | ret = perf_session__process_events(session, &event_ops); |
498 | ||
6d8afb56 | 499 | if (debug_mode) |
9486aa38 | 500 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
501 | |
502 | return ret; | |
5f9c39dc FW |
503 | } |
504 | ||
956ffd02 TZ |
505 | struct script_spec { |
506 | struct list_head node; | |
507 | struct scripting_ops *ops; | |
508 | char spec[0]; | |
509 | }; | |
510 | ||
eccdfe2d | 511 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
512 | |
513 | static struct script_spec *script_spec__new(const char *spec, | |
514 | struct scripting_ops *ops) | |
515 | { | |
516 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
517 | ||
518 | if (s != NULL) { | |
519 | strcpy(s->spec, spec); | |
520 | s->ops = ops; | |
521 | } | |
522 | ||
523 | return s; | |
524 | } | |
525 | ||
526 | static void script_spec__delete(struct script_spec *s) | |
527 | { | |
528 | free(s->spec); | |
529 | free(s); | |
530 | } | |
531 | ||
532 | static void script_spec__add(struct script_spec *s) | |
533 | { | |
534 | list_add_tail(&s->node, &script_specs); | |
535 | } | |
536 | ||
537 | static struct script_spec *script_spec__find(const char *spec) | |
538 | { | |
539 | struct script_spec *s; | |
540 | ||
541 | list_for_each_entry(s, &script_specs, node) | |
542 | if (strcasecmp(s->spec, spec) == 0) | |
543 | return s; | |
544 | return NULL; | |
545 | } | |
546 | ||
547 | static struct script_spec *script_spec__findnew(const char *spec, | |
548 | struct scripting_ops *ops) | |
549 | { | |
550 | struct script_spec *s = script_spec__find(spec); | |
551 | ||
552 | if (s) | |
553 | return s; | |
554 | ||
555 | s = script_spec__new(spec, ops); | |
556 | if (!s) | |
557 | goto out_delete_spec; | |
558 | ||
559 | script_spec__add(s); | |
560 | ||
561 | return s; | |
562 | ||
563 | out_delete_spec: | |
564 | script_spec__delete(s); | |
565 | ||
566 | return NULL; | |
567 | } | |
568 | ||
569 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
570 | { | |
571 | struct script_spec *s; | |
572 | ||
573 | s = script_spec__find(spec); | |
574 | if (s) | |
575 | return -1; | |
576 | ||
577 | s = script_spec__findnew(spec, ops); | |
578 | if (!s) | |
579 | return -1; | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
584 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
585 | { | |
586 | struct script_spec *s = script_spec__find(spec); | |
587 | if (!s) | |
588 | return NULL; | |
589 | ||
590 | return s->ops; | |
591 | } | |
592 | ||
593 | static void list_available_languages(void) | |
594 | { | |
595 | struct script_spec *s; | |
596 | ||
597 | fprintf(stderr, "\n"); | |
598 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 599 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
600 | |
601 | list_for_each_entry(s, &script_specs, node) | |
602 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
603 | ||
604 | fprintf(stderr, "\n"); | |
605 | } | |
606 | ||
607 | static int parse_scriptname(const struct option *opt __used, | |
608 | const char *str, int unset __used) | |
609 | { | |
610 | char spec[PATH_MAX]; | |
611 | const char *script, *ext; | |
612 | int len; | |
613 | ||
f526d68b | 614 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 615 | list_available_languages(); |
f526d68b | 616 | exit(0); |
956ffd02 TZ |
617 | } |
618 | ||
619 | script = strchr(str, ':'); | |
620 | if (script) { | |
621 | len = script - str; | |
622 | if (len >= PATH_MAX) { | |
623 | fprintf(stderr, "invalid language specifier"); | |
624 | return -1; | |
625 | } | |
626 | strncpy(spec, str, len); | |
627 | spec[len] = '\0'; | |
628 | scripting_ops = script_spec__lookup(spec); | |
629 | if (!scripting_ops) { | |
630 | fprintf(stderr, "invalid language specifier"); | |
631 | return -1; | |
632 | } | |
633 | script++; | |
634 | } else { | |
635 | script = str; | |
d1e95bb5 | 636 | ext = strrchr(script, '.'); |
956ffd02 TZ |
637 | if (!ext) { |
638 | fprintf(stderr, "invalid script extension"); | |
639 | return -1; | |
640 | } | |
641 | scripting_ops = script_spec__lookup(++ext); | |
642 | if (!scripting_ops) { | |
643 | fprintf(stderr, "invalid script extension"); | |
644 | return -1; | |
645 | } | |
646 | } | |
647 | ||
648 | script_name = strdup(script); | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
745f43e3 DA |
653 | static int parse_output_fields(const struct option *opt __used, |
654 | const char *arg, int unset __used) | |
655 | { | |
656 | char *tok; | |
657 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
2c9e45f7 | 658 | int j; |
745f43e3 DA |
659 | int rc = 0; |
660 | char *str = strdup(arg); | |
1424dc96 | 661 | int type = -1; |
745f43e3 DA |
662 | |
663 | if (!str) | |
664 | return -ENOMEM; | |
665 | ||
2c9e45f7 DA |
666 | /* first word can state for which event type the user is specifying |
667 | * the fields. If no type exists, the specified fields apply to all | |
668 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 669 | */ |
2c9e45f7 DA |
670 | tok = strchr(str, ':'); |
671 | if (tok) { | |
672 | *tok = '\0'; | |
673 | tok++; | |
674 | if (!strcmp(str, "hw")) | |
675 | type = PERF_TYPE_HARDWARE; | |
676 | else if (!strcmp(str, "sw")) | |
677 | type = PERF_TYPE_SOFTWARE; | |
678 | else if (!strcmp(str, "trace")) | |
679 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
680 | else if (!strcmp(str, "raw")) |
681 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
682 | else { |
683 | fprintf(stderr, "Invalid event type in field string.\n"); | |
684 | return -EINVAL; | |
685 | } | |
686 | ||
687 | if (output[type].user_set) | |
688 | pr_warning("Overriding previous field request for %s events.\n", | |
689 | event_type(type)); | |
690 | ||
691 | output[type].fields = 0; | |
692 | output[type].user_set = true; | |
9cbdb702 | 693 | output[type].wildcard_set = false; |
2c9e45f7 DA |
694 | |
695 | } else { | |
696 | tok = str; | |
697 | if (strlen(str) == 0) { | |
698 | fprintf(stderr, | |
699 | "Cannot set fields to 'none' for all event types.\n"); | |
700 | rc = -EINVAL; | |
701 | goto out; | |
702 | } | |
703 | ||
704 | if (output_set_by_user()) | |
705 | pr_warning("Overriding previous field request for all events.\n"); | |
706 | ||
707 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
708 | output[j].fields = 0; | |
709 | output[j].user_set = true; | |
9cbdb702 | 710 | output[j].wildcard_set = true; |
2c9e45f7 | 711 | } |
745f43e3 DA |
712 | } |
713 | ||
2c9e45f7 DA |
714 | tok = strtok(tok, ","); |
715 | while (tok) { | |
745f43e3 | 716 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 717 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 718 | break; |
745f43e3 DA |
719 | } |
720 | if (i == imax) { | |
2c9e45f7 | 721 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 722 | rc = -EINVAL; |
2c9e45f7 | 723 | goto out; |
745f43e3 DA |
724 | } |
725 | ||
2c9e45f7 DA |
726 | if (type == -1) { |
727 | /* add user option to all events types for | |
728 | * which it is valid | |
729 | */ | |
730 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
731 | if (output[j].invalid_fields & all_output_options[i].field) { | |
732 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
733 | all_output_options[i].str, event_type(j)); | |
734 | } else | |
735 | output[j].fields |= all_output_options[i].field; | |
736 | } | |
737 | } else { | |
738 | if (output[type].invalid_fields & all_output_options[i].field) { | |
739 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
740 | all_output_options[i].str, event_type(type)); | |
741 | ||
742 | rc = -EINVAL; | |
743 | goto out; | |
744 | } | |
745 | output[type].fields |= all_output_options[i].field; | |
746 | } | |
747 | ||
748 | tok = strtok(NULL, ","); | |
745f43e3 DA |
749 | } |
750 | ||
2c9e45f7 DA |
751 | if (type >= 0) { |
752 | if (output[type].fields == 0) { | |
753 | pr_debug("No fields requested for %s type. " | |
754 | "Events will not be displayed.\n", event_type(type)); | |
755 | } | |
756 | } | |
745f43e3 | 757 | |
2c9e45f7 | 758 | out: |
745f43e3 DA |
759 | free(str); |
760 | return rc; | |
761 | } | |
762 | ||
008f29d3 SB |
763 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
764 | static int is_directory(const char *base_path, const struct dirent *dent) | |
765 | { | |
766 | char path[PATH_MAX]; | |
767 | struct stat st; | |
768 | ||
769 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
770 | if (stat(path, &st)) | |
771 | return 0; | |
772 | ||
773 | return S_ISDIR(st.st_mode); | |
774 | } | |
775 | ||
776 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
777 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
778 | lang_next) \ | |
008f29d3 SB |
779 | if ((lang_dirent.d_type == DT_DIR || \ |
780 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
781 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
782 | (strcmp(lang_dirent.d_name, ".")) && \ |
783 | (strcmp(lang_dirent.d_name, ".."))) | |
784 | ||
008f29d3 | 785 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
786 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
787 | script_next) \ | |
008f29d3 SB |
788 | if (script_dirent.d_type != DT_DIR && \ |
789 | (script_dirent.d_type != DT_UNKNOWN || \ | |
790 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
791 | |
792 | ||
793 | #define RECORD_SUFFIX "-record" | |
794 | #define REPORT_SUFFIX "-report" | |
795 | ||
796 | struct script_desc { | |
797 | struct list_head node; | |
798 | char *name; | |
799 | char *half_liner; | |
800 | char *args; | |
801 | }; | |
802 | ||
eccdfe2d | 803 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
804 | |
805 | static struct script_desc *script_desc__new(const char *name) | |
806 | { | |
807 | struct script_desc *s = zalloc(sizeof(*s)); | |
808 | ||
b5b87312 | 809 | if (s != NULL && name) |
4b9c0c59 TZ |
810 | s->name = strdup(name); |
811 | ||
812 | return s; | |
813 | } | |
814 | ||
815 | static void script_desc__delete(struct script_desc *s) | |
816 | { | |
817 | free(s->name); | |
e8719adf TZ |
818 | free(s->half_liner); |
819 | free(s->args); | |
4b9c0c59 TZ |
820 | free(s); |
821 | } | |
822 | ||
823 | static void script_desc__add(struct script_desc *s) | |
824 | { | |
825 | list_add_tail(&s->node, &script_descs); | |
826 | } | |
827 | ||
828 | static struct script_desc *script_desc__find(const char *name) | |
829 | { | |
830 | struct script_desc *s; | |
831 | ||
832 | list_for_each_entry(s, &script_descs, node) | |
833 | if (strcasecmp(s->name, name) == 0) | |
834 | return s; | |
835 | return NULL; | |
836 | } | |
837 | ||
838 | static struct script_desc *script_desc__findnew(const char *name) | |
839 | { | |
840 | struct script_desc *s = script_desc__find(name); | |
841 | ||
842 | if (s) | |
843 | return s; | |
844 | ||
845 | s = script_desc__new(name); | |
846 | if (!s) | |
847 | goto out_delete_desc; | |
848 | ||
849 | script_desc__add(s); | |
850 | ||
851 | return s; | |
852 | ||
853 | out_delete_desc: | |
854 | script_desc__delete(s); | |
855 | ||
856 | return NULL; | |
857 | } | |
858 | ||
965bb6be | 859 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
860 | { |
861 | size_t suffix_len = strlen(suffix); | |
965bb6be | 862 | const char *p = str; |
4b9c0c59 TZ |
863 | |
864 | if (strlen(str) > suffix_len) { | |
865 | p = str + strlen(str) - suffix_len; | |
866 | if (!strncmp(p, suffix, suffix_len)) | |
867 | return p; | |
868 | } | |
869 | ||
870 | return NULL; | |
871 | } | |
872 | ||
873 | static char *ltrim(char *str) | |
874 | { | |
875 | int len = strlen(str); | |
876 | ||
877 | while (len && isspace(*str)) { | |
878 | len--; | |
879 | str++; | |
880 | } | |
881 | ||
882 | return str; | |
883 | } | |
884 | ||
885 | static int read_script_info(struct script_desc *desc, const char *filename) | |
886 | { | |
887 | char line[BUFSIZ], *p; | |
888 | FILE *fp; | |
889 | ||
890 | fp = fopen(filename, "r"); | |
891 | if (!fp) | |
892 | return -1; | |
893 | ||
894 | while (fgets(line, sizeof(line), fp)) { | |
895 | p = ltrim(line); | |
896 | if (strlen(p) == 0) | |
897 | continue; | |
898 | if (*p != '#') | |
899 | continue; | |
900 | p++; | |
901 | if (strlen(p) && *p == '!') | |
902 | continue; | |
903 | ||
904 | p = ltrim(p); | |
905 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
906 | p[strlen(p) - 1] = '\0'; | |
907 | ||
908 | if (!strncmp(p, "description:", strlen("description:"))) { | |
909 | p += strlen("description:"); | |
910 | desc->half_liner = strdup(ltrim(p)); | |
911 | continue; | |
912 | } | |
913 | ||
914 | if (!strncmp(p, "args:", strlen("args:"))) { | |
915 | p += strlen("args:"); | |
916 | desc->args = strdup(ltrim(p)); | |
917 | continue; | |
918 | } | |
919 | } | |
920 | ||
921 | fclose(fp); | |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
926 | static int list_available_scripts(const struct option *opt __used, | |
927 | const char *s __used, int unset __used) | |
928 | { | |
929 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
930 | char scripts_path[MAXPATHLEN]; | |
931 | DIR *scripts_dir, *lang_dir; | |
932 | char script_path[MAXPATHLEN]; | |
933 | char lang_path[MAXPATHLEN]; | |
934 | struct script_desc *desc; | |
935 | char first_half[BUFSIZ]; | |
936 | char *script_root; | |
937 | char *str; | |
938 | ||
939 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
940 | ||
941 | scripts_dir = opendir(scripts_path); | |
942 | if (!scripts_dir) | |
943 | return -1; | |
944 | ||
008f29d3 | 945 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
946 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
947 | lang_dirent.d_name); | |
948 | lang_dir = opendir(lang_path); | |
949 | if (!lang_dir) | |
950 | continue; | |
951 | ||
008f29d3 | 952 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
4b9c0c59 | 953 | script_root = strdup(script_dirent.d_name); |
965bb6be | 954 | str = (char *)ends_with(script_root, REPORT_SUFFIX); |
4b9c0c59 TZ |
955 | if (str) { |
956 | *str = '\0'; | |
957 | desc = script_desc__findnew(script_root); | |
958 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
959 | lang_path, script_dirent.d_name); | |
960 | read_script_info(desc, script_path); | |
961 | } | |
962 | free(script_root); | |
963 | } | |
964 | } | |
965 | ||
966 | fprintf(stdout, "List of available trace scripts:\n"); | |
967 | list_for_each_entry(desc, &script_descs, node) { | |
968 | sprintf(first_half, "%s %s", desc->name, | |
969 | desc->args ? desc->args : ""); | |
970 | fprintf(stdout, " %-36s %s\n", first_half, | |
971 | desc->half_liner ? desc->half_liner : ""); | |
972 | } | |
973 | ||
974 | exit(0); | |
975 | } | |
976 | ||
3875294f TZ |
977 | static char *get_script_path(const char *script_root, const char *suffix) |
978 | { | |
979 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
980 | char scripts_path[MAXPATHLEN]; | |
981 | char script_path[MAXPATHLEN]; | |
982 | DIR *scripts_dir, *lang_dir; | |
983 | char lang_path[MAXPATHLEN]; | |
984 | char *str, *__script_root; | |
985 | char *path = NULL; | |
986 | ||
987 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
988 | ||
989 | scripts_dir = opendir(scripts_path); | |
990 | if (!scripts_dir) | |
991 | return NULL; | |
992 | ||
008f29d3 | 993 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
994 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
995 | lang_dirent.d_name); | |
996 | lang_dir = opendir(lang_path); | |
997 | if (!lang_dir) | |
998 | continue; | |
999 | ||
008f29d3 | 1000 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
3875294f | 1001 | __script_root = strdup(script_dirent.d_name); |
965bb6be | 1002 | str = (char *)ends_with(__script_root, suffix); |
3875294f TZ |
1003 | if (str) { |
1004 | *str = '\0'; | |
1005 | if (strcmp(__script_root, script_root)) | |
1006 | continue; | |
1007 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1008 | lang_path, script_dirent.d_name); | |
1009 | path = strdup(script_path); | |
1010 | free(__script_root); | |
1011 | break; | |
1012 | } | |
1013 | free(__script_root); | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | return path; | |
1018 | } | |
1019 | ||
b5b87312 TZ |
1020 | static bool is_top_script(const char *script_path) |
1021 | { | |
965bb6be | 1022 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1023 | } |
1024 | ||
1025 | static int has_required_arg(char *script_path) | |
1026 | { | |
1027 | struct script_desc *desc; | |
1028 | int n_args = 0; | |
1029 | char *p; | |
1030 | ||
1031 | desc = script_desc__new(NULL); | |
1032 | ||
1033 | if (read_script_info(desc, script_path)) | |
1034 | goto out; | |
1035 | ||
1036 | if (!desc->args) | |
1037 | goto out; | |
1038 | ||
1039 | for (p = desc->args; *p; p++) | |
1040 | if (*p == '<') | |
1041 | n_args++; | |
1042 | out: | |
1043 | script_desc__delete(desc); | |
1044 | ||
1045 | return n_args; | |
1046 | } | |
1047 | ||
133dc4c3 IM |
1048 | static const char * const script_usage[] = { |
1049 | "perf script [<options>]", | |
1050 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1051 | "perf script [<options>] report <script> [script-args]", | |
1052 | "perf script [<options>] <script> [<record-options>] <command>", | |
1053 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
1054 | NULL |
1055 | }; | |
1056 | ||
1057 | static const struct option options[] = { | |
1058 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1059 | "dump raw trace in ASCII"), | |
c0555642 | 1060 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 1061 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1062 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1063 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1064 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1065 | list_available_scripts), | |
956ffd02 TZ |
1066 | OPT_CALLBACK('s', "script", NULL, "name", |
1067 | "script file name (lang:script name, script name, or *)", | |
1068 | parse_scriptname), | |
1069 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1070 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
1071 | OPT_STRING('i', "input", &input_name, "file", |
1072 | "input file name"), | |
ffabd99e FW |
1073 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1074 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1075 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1076 | "file", "vmlinux pathname"), | |
1077 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1078 | "file", "kallsyms pathname"), | |
1079 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1080 | "When printing symbols do not display call chain"), | |
1081 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1082 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1083 | OPT_CALLBACK('f', "fields", NULL, "str", |
7cec0922 | 1084 | "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 | 1085 | parse_output_fields), |
5d67be97 | 1086 | OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
fbe96f29 SE |
1087 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1088 | "display extended information from perf.data file"), | |
1909629f | 1089 | OPT_END() |
5f9c39dc FW |
1090 | }; |
1091 | ||
34c86ea9 TZ |
1092 | static bool have_cmd(int argc, const char **argv) |
1093 | { | |
1094 | char **__argv = malloc(sizeof(const char *) * argc); | |
1095 | ||
1096 | if (!__argv) | |
1097 | die("malloc"); | |
1098 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1099 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1100 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1101 | free(__argv); | |
1102 | ||
1103 | return argc != 0; | |
1104 | } | |
1105 | ||
133dc4c3 | 1106 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 1107 | { |
b5b87312 TZ |
1108 | char *rec_script_path = NULL; |
1109 | char *rep_script_path = NULL; | |
d8f66248 | 1110 | struct perf_session *session; |
b5b87312 | 1111 | char *script_path = NULL; |
3875294f | 1112 | const char **__argv; |
b5b87312 TZ |
1113 | bool system_wide; |
1114 | int i, j, err; | |
3875294f | 1115 | |
b5b87312 TZ |
1116 | setup_scripting(); |
1117 | ||
133dc4c3 | 1118 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1119 | PARSE_OPT_STOP_AT_NON_OPTION); |
1120 | ||
1121 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1122 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1123 | if (!rec_script_path) | |
1124 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1125 | } |
1126 | ||
b5b87312 TZ |
1127 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1128 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1129 | if (!rep_script_path) { | |
3875294f | 1130 | fprintf(stderr, |
b5b87312 | 1131 | "Please specify a valid report script" |
133dc4c3 | 1132 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1133 | return -1; |
1134 | } | |
3875294f TZ |
1135 | } |
1136 | ||
44e668c6 BH |
1137 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1138 | perf_set_argv_exec_path(perf_exec_path()); | |
1139 | ||
b5b87312 | 1140 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1141 | int live_pipe[2]; |
b5b87312 | 1142 | int rep_args; |
a0cccc2e TZ |
1143 | pid_t pid; |
1144 | ||
b5b87312 TZ |
1145 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1146 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1147 | ||
1148 | if (!rec_script_path && !rep_script_path) { | |
1149 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1150 | " script -l for available scripts.\n", argv[0]); |
1151 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1152 | } |
1153 | ||
b5b87312 TZ |
1154 | if (is_top_script(argv[0])) { |
1155 | rep_args = argc - 1; | |
1156 | } else { | |
1157 | int rec_args; | |
1158 | ||
1159 | rep_args = has_required_arg(rep_script_path); | |
1160 | rec_args = (argc - 1) - rep_args; | |
1161 | if (rec_args < 0) { | |
1162 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1163 | "\n\n See perf script -l for available " |
b5b87312 | 1164 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1165 | usage_with_options(script_usage, options); |
b5b87312 | 1166 | } |
a0cccc2e TZ |
1167 | } |
1168 | ||
1169 | if (pipe(live_pipe) < 0) { | |
1170 | perror("failed to create pipe"); | |
1171 | exit(-1); | |
1172 | } | |
1173 | ||
1174 | pid = fork(); | |
1175 | if (pid < 0) { | |
1176 | perror("failed to fork"); | |
1177 | exit(-1); | |
1178 | } | |
1179 | ||
1180 | if (!pid) { | |
b5b87312 TZ |
1181 | system_wide = true; |
1182 | j = 0; | |
1183 | ||
a0cccc2e TZ |
1184 | dup2(live_pipe[1], 1); |
1185 | close(live_pipe[0]); | |
1186 | ||
b5b87312 TZ |
1187 | if (!is_top_script(argv[0])) |
1188 | system_wide = !have_cmd(argc - rep_args, | |
1189 | &argv[rep_args]); | |
1190 | ||
1191 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
1192 | if (!__argv) |
1193 | die("malloc"); | |
1194 | ||
b5b87312 TZ |
1195 | __argv[j++] = "/bin/sh"; |
1196 | __argv[j++] = rec_script_path; | |
1197 | if (system_wide) | |
1198 | __argv[j++] = "-a"; | |
1199 | __argv[j++] = "-q"; | |
1200 | __argv[j++] = "-o"; | |
1201 | __argv[j++] = "-"; | |
1202 | for (i = rep_args + 1; i < argc; i++) | |
1203 | __argv[j++] = argv[i]; | |
1204 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1205 | |
1206 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1207 | free(__argv); |
a0cccc2e TZ |
1208 | exit(-1); |
1209 | } | |
1210 | ||
1211 | dup2(live_pipe[0], 0); | |
1212 | close(live_pipe[1]); | |
1213 | ||
b5b87312 | 1214 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
1215 | if (!__argv) |
1216 | die("malloc"); | |
b5b87312 TZ |
1217 | j = 0; |
1218 | __argv[j++] = "/bin/sh"; | |
1219 | __argv[j++] = rep_script_path; | |
1220 | for (i = 1; i < rep_args + 1; i++) | |
1221 | __argv[j++] = argv[i]; | |
1222 | __argv[j++] = "-i"; | |
1223 | __argv[j++] = "-"; | |
1224 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1225 | |
1226 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1227 | free(__argv); |
a0cccc2e TZ |
1228 | exit(-1); |
1229 | } | |
1230 | ||
b5b87312 TZ |
1231 | if (rec_script_path) |
1232 | script_path = rec_script_path; | |
1233 | if (rep_script_path) | |
1234 | script_path = rep_script_path; | |
34c86ea9 | 1235 | |
b5b87312 TZ |
1236 | if (script_path) { |
1237 | system_wide = false; | |
1238 | j = 0; | |
3875294f | 1239 | |
b5b87312 TZ |
1240 | if (rec_script_path) |
1241 | system_wide = !have_cmd(argc - 1, &argv[1]); | |
34c86ea9 | 1242 | |
b5b87312 | 1243 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
1244 | if (!__argv) |
1245 | die("malloc"); | |
34c86ea9 TZ |
1246 | __argv[j++] = "/bin/sh"; |
1247 | __argv[j++] = script_path; | |
1248 | if (system_wide) | |
1249 | __argv[j++] = "-a"; | |
b5b87312 | 1250 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1251 | __argv[j++] = argv[i]; |
1252 | __argv[j++] = NULL; | |
3875294f TZ |
1253 | |
1254 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1255 | free(__argv); |
3875294f TZ |
1256 | exit(-1); |
1257 | } | |
956ffd02 | 1258 | |
655000e7 ACM |
1259 | if (symbol__init() < 0) |
1260 | return -1; | |
cf4fee50 TZ |
1261 | if (!script_name) |
1262 | setup_pager(); | |
5f9c39dc | 1263 | |
21ef97f0 | 1264 | session = perf_session__new(input_name, O_RDONLY, 0, false, &event_ops); |
d8f66248 ACM |
1265 | if (session == NULL) |
1266 | return -ENOMEM; | |
1267 | ||
5d67be97 AB |
1268 | if (cpu_list) { |
1269 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1270 | return -1; | |
1271 | } | |
1272 | ||
fbe96f29 SE |
1273 | perf_session__fprintf_info(session, stdout, show_full_info); |
1274 | ||
1424dc96 | 1275 | if (!no_callchain) |
c0230b2b DA |
1276 | symbol_conf.use_callchain = true; |
1277 | else | |
1278 | symbol_conf.use_callchain = false; | |
1279 | ||
956ffd02 TZ |
1280 | if (generate_script_lang) { |
1281 | struct stat perf_stat; | |
745f43e3 DA |
1282 | int input; |
1283 | ||
2c9e45f7 | 1284 | if (output_set_by_user()) { |
745f43e3 DA |
1285 | fprintf(stderr, |
1286 | "custom fields not supported for generated scripts"); | |
1287 | return -1; | |
1288 | } | |
956ffd02 | 1289 | |
745f43e3 | 1290 | input = open(input_name, O_RDONLY); |
956ffd02 TZ |
1291 | if (input < 0) { |
1292 | perror("failed to open file"); | |
1293 | exit(-1); | |
1294 | } | |
1295 | ||
1296 | err = fstat(input, &perf_stat); | |
1297 | if (err < 0) { | |
1298 | perror("failed to stat file"); | |
1299 | exit(-1); | |
1300 | } | |
1301 | ||
1302 | if (!perf_stat.st_size) { | |
1303 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1304 | exit(0); | |
1305 | } | |
1306 | ||
1307 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1308 | if (!scripting_ops) { | |
1309 | fprintf(stderr, "invalid language specifier"); | |
1310 | return -1; | |
1311 | } | |
1312 | ||
133dc4c3 | 1313 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
1314 | goto out; |
1315 | } | |
1316 | ||
1317 | if (script_name) { | |
586bc5cc | 1318 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1319 | if (err) |
1320 | goto out; | |
133dc4c3 | 1321 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1322 | } |
1323 | ||
9cbdb702 DA |
1324 | |
1325 | err = perf_session__check_output_opt(session); | |
1326 | if (err < 0) | |
1327 | goto out; | |
1328 | ||
133dc4c3 | 1329 | err = __cmd_script(session); |
956ffd02 | 1330 | |
d8f66248 | 1331 | perf_session__delete(session); |
956ffd02 TZ |
1332 | cleanup_scripting(); |
1333 | out: | |
1334 | return err; | |
5f9c39dc | 1335 | } |