]>
Commit | Line | Data |
---|---|---|
5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
b7eead86 | 3 | #include "perf.h" |
5f9c39dc | 4 | #include "util/cache.h" |
b7eead86 AG |
5 | #include "util/debug.h" |
6 | #include "util/exec_cmd.h" | |
7 | #include "util/header.h" | |
8 | #include "util/parse-options.h" | |
9 | #include "util/session.h" | |
45694aa7 | 10 | #include "util/tool.h" |
5f9c39dc FW |
11 | #include "util/symbol.h" |
12 | #include "util/thread.h" | |
cf72344d | 13 | #include "util/trace-event.h" |
b7eead86 | 14 | #include "util/util.h" |
1424dc96 DA |
15 | #include "util/evlist.h" |
16 | #include "util/evsel.h" | |
5d67be97 | 17 | #include <linux/bitmap.h> |
5f9c39dc | 18 | |
956ffd02 TZ |
19 | static char const *script_name; |
20 | static char const *generate_script_lang; | |
ffabd99e | 21 | static bool debug_mode; |
e1889d75 | 22 | static u64 last_timestamp; |
6fcf7ddb | 23 | static u64 nr_unordered; |
34c86ea9 | 24 | extern const struct option record_options[]; |
c0230b2b | 25 | static bool no_callchain; |
fbe96f29 | 26 | static bool show_full_info; |
317df650 | 27 | static bool system_wide; |
5d67be97 AB |
28 | static const char *cpu_list; |
29 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
956ffd02 | 30 | |
745f43e3 DA |
31 | enum perf_output_field { |
32 | PERF_OUTPUT_COMM = 1U << 0, | |
33 | PERF_OUTPUT_TID = 1U << 1, | |
34 | PERF_OUTPUT_PID = 1U << 2, | |
35 | PERF_OUTPUT_TIME = 1U << 3, | |
36 | PERF_OUTPUT_CPU = 1U << 4, | |
37 | PERF_OUTPUT_EVNAME = 1U << 5, | |
38 | PERF_OUTPUT_TRACE = 1U << 6, | |
787bef17 DA |
39 | PERF_OUTPUT_IP = 1U << 7, |
40 | PERF_OUTPUT_SYM = 1U << 8, | |
610723f2 | 41 | PERF_OUTPUT_DSO = 1U << 9, |
7cec0922 | 42 | PERF_OUTPUT_ADDR = 1U << 10, |
745f43e3 DA |
43 | }; |
44 | ||
45 | struct output_option { | |
46 | const char *str; | |
47 | enum perf_output_field field; | |
48 | } all_output_options[] = { | |
49 | {.str = "comm", .field = PERF_OUTPUT_COMM}, | |
50 | {.str = "tid", .field = PERF_OUTPUT_TID}, | |
51 | {.str = "pid", .field = PERF_OUTPUT_PID}, | |
52 | {.str = "time", .field = PERF_OUTPUT_TIME}, | |
53 | {.str = "cpu", .field = PERF_OUTPUT_CPU}, | |
54 | {.str = "event", .field = PERF_OUTPUT_EVNAME}, | |
55 | {.str = "trace", .field = PERF_OUTPUT_TRACE}, | |
787bef17 | 56 | {.str = "ip", .field = PERF_OUTPUT_IP}, |
c0230b2b | 57 | {.str = "sym", .field = PERF_OUTPUT_SYM}, |
610723f2 | 58 | {.str = "dso", .field = PERF_OUTPUT_DSO}, |
7cec0922 | 59 | {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
745f43e3 DA |
60 | }; |
61 | ||
62 | /* default set to maintain compatibility with current format */ | |
2c9e45f7 DA |
63 | static struct { |
64 | bool user_set; | |
9cbdb702 | 65 | bool wildcard_set; |
2c9e45f7 DA |
66 | u64 fields; |
67 | u64 invalid_fields; | |
68 | } output[PERF_TYPE_MAX] = { | |
69 | ||
70 | [PERF_TYPE_HARDWARE] = { | |
71 | .user_set = false, | |
72 | ||
73 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
74 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 75 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 76 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
77 | |
78 | .invalid_fields = PERF_OUTPUT_TRACE, | |
79 | }, | |
80 | ||
81 | [PERF_TYPE_SOFTWARE] = { | |
82 | .user_set = false, | |
83 | ||
84 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
85 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 86 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 87 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
2c9e45f7 DA |
88 | |
89 | .invalid_fields = PERF_OUTPUT_TRACE, | |
90 | }, | |
91 | ||
92 | [PERF_TYPE_TRACEPOINT] = { | |
93 | .user_set = false, | |
94 | ||
95 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
96 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
97 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE, | |
98 | }, | |
0817a6a3 AS |
99 | |
100 | [PERF_TYPE_RAW] = { | |
101 | .user_set = false, | |
102 | ||
103 | .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | | |
104 | PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | | |
787bef17 | 105 | PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
610723f2 | 106 | PERF_OUTPUT_SYM | PERF_OUTPUT_DSO, |
0817a6a3 AS |
107 | |
108 | .invalid_fields = PERF_OUTPUT_TRACE, | |
109 | }, | |
1424dc96 | 110 | }; |
745f43e3 | 111 | |
2c9e45f7 DA |
112 | static bool output_set_by_user(void) |
113 | { | |
114 | int j; | |
115 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
116 | if (output[j].user_set) | |
117 | return true; | |
118 | } | |
119 | return false; | |
120 | } | |
745f43e3 | 121 | |
9cbdb702 DA |
122 | static const char *output_field2str(enum perf_output_field field) |
123 | { | |
124 | int i, imax = ARRAY_SIZE(all_output_options); | |
125 | const char *str = ""; | |
126 | ||
127 | for (i = 0; i < imax; ++i) { | |
128 | if (all_output_options[i].field == field) { | |
129 | str = all_output_options[i].str; | |
130 | break; | |
131 | } | |
132 | } | |
133 | return str; | |
134 | } | |
135 | ||
2c9e45f7 | 136 | #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
1424dc96 | 137 | |
9cbdb702 DA |
138 | static int perf_event_attr__check_stype(struct perf_event_attr *attr, |
139 | u64 sample_type, const char *sample_msg, | |
140 | enum perf_output_field field) | |
1424dc96 | 141 | { |
9cbdb702 DA |
142 | int type = attr->type; |
143 | const char *evname; | |
144 | ||
145 | if (attr->sample_type & sample_type) | |
146 | return 0; | |
147 | ||
148 | if (output[type].user_set) { | |
149 | evname = __event_name(attr->type, attr->config); | |
150 | pr_err("Samples for '%s' event do not have %s attribute set. " | |
151 | "Cannot print '%s' field.\n", | |
152 | evname, sample_msg, output_field2str(field)); | |
153 | return -1; | |
154 | } | |
155 | ||
156 | /* user did not ask for it explicitly so remove from the default list */ | |
157 | output[type].fields &= ~field; | |
158 | evname = __event_name(attr->type, attr->config); | |
159 | pr_debug("Samples for '%s' event do not have %s attribute set. " | |
160 | "Skipping '%s' field.\n", | |
161 | evname, sample_msg, output_field2str(field)); | |
162 | ||
163 | return 0; | |
164 | } | |
165 | ||
166 | static int perf_evsel__check_attr(struct perf_evsel *evsel, | |
167 | struct perf_session *session) | |
168 | { | |
169 | struct perf_event_attr *attr = &evsel->attr; | |
170 | ||
1424dc96 DA |
171 | if (PRINT_FIELD(TRACE) && |
172 | !perf_session__has_traces(session, "record -R")) | |
173 | return -EINVAL; | |
174 | ||
787bef17 | 175 | if (PRINT_FIELD(IP)) { |
9cbdb702 | 176 | if (perf_event_attr__check_stype(attr, PERF_SAMPLE_IP, "IP", |
787bef17 | 177 | PERF_OUTPUT_IP)) |
1424dc96 | 178 | return -EINVAL; |
9cbdb702 | 179 | |
1424dc96 | 180 | if (!no_callchain && |
9cbdb702 | 181 | !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) |
1424dc96 DA |
182 | symbol_conf.use_callchain = false; |
183 | } | |
7cec0922 DA |
184 | |
185 | if (PRINT_FIELD(ADDR) && | |
186 | perf_event_attr__check_stype(attr, PERF_SAMPLE_ADDR, "ADDR", | |
187 | PERF_OUTPUT_ADDR)) | |
188 | return -EINVAL; | |
189 | ||
190 | if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { | |
191 | pr_err("Display of symbols requested but neither sample IP nor " | |
192 | "sample address\nis selected. Hence, no addresses to convert " | |
193 | "to symbols.\n"); | |
787bef17 DA |
194 | return -EINVAL; |
195 | } | |
7cec0922 DA |
196 | if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
197 | pr_err("Display of DSO requested but neither sample IP nor " | |
198 | "sample address\nis selected. Hence, no addresses to convert " | |
199 | "to DSO.\n"); | |
610723f2 DA |
200 | return -EINVAL; |
201 | } | |
1424dc96 DA |
202 | |
203 | if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && | |
9cbdb702 DA |
204 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TID, "TID", |
205 | PERF_OUTPUT_TID|PERF_OUTPUT_PID)) | |
1424dc96 | 206 | return -EINVAL; |
1424dc96 DA |
207 | |
208 | if (PRINT_FIELD(TIME) && | |
9cbdb702 DA |
209 | perf_event_attr__check_stype(attr, PERF_SAMPLE_TIME, "TIME", |
210 | PERF_OUTPUT_TIME)) | |
1424dc96 | 211 | return -EINVAL; |
1424dc96 DA |
212 | |
213 | if (PRINT_FIELD(CPU) && | |
9cbdb702 DA |
214 | perf_event_attr__check_stype(attr, PERF_SAMPLE_CPU, "CPU", |
215 | PERF_OUTPUT_CPU)) | |
1424dc96 | 216 | return -EINVAL; |
9cbdb702 DA |
217 | |
218 | return 0; | |
219 | } | |
220 | ||
221 | /* | |
222 | * verify all user requested events exist and the samples | |
223 | * have the expected data | |
224 | */ | |
225 | static int perf_session__check_output_opt(struct perf_session *session) | |
226 | { | |
227 | int j; | |
228 | struct perf_evsel *evsel; | |
229 | ||
230 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
231 | evsel = perf_session__find_first_evtype(session, j); | |
232 | ||
233 | /* | |
234 | * even if fields is set to 0 (ie., show nothing) event must | |
235 | * exist if user explicitly includes it on the command line | |
236 | */ | |
237 | if (!evsel && output[j].user_set && !output[j].wildcard_set) { | |
238 | pr_err("%s events do not exist. " | |
239 | "Remove corresponding -f option to proceed.\n", | |
240 | event_type(j)); | |
241 | return -1; | |
242 | } | |
243 | ||
244 | if (evsel && output[j].fields && | |
245 | perf_evsel__check_attr(evsel, session)) | |
246 | return -1; | |
1424dc96 DA |
247 | } |
248 | ||
249 | return 0; | |
250 | } | |
745f43e3 | 251 | |
c70c94b4 | 252 | static void print_sample_start(struct perf_sample *sample, |
1424dc96 DA |
253 | struct thread *thread, |
254 | struct perf_event_attr *attr) | |
c70c94b4 DA |
255 | { |
256 | int type; | |
257 | struct event *event; | |
258 | const char *evname = NULL; | |
259 | unsigned long secs; | |
260 | unsigned long usecs; | |
745f43e3 DA |
261 | unsigned long long nsecs; |
262 | ||
263 | if (PRINT_FIELD(COMM)) { | |
264 | if (latency_format) | |
265 | printf("%8.8s ", thread->comm); | |
787bef17 | 266 | else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
c0230b2b | 267 | printf("%s ", thread->comm); |
745f43e3 DA |
268 | else |
269 | printf("%16s ", thread->comm); | |
270 | } | |
c70c94b4 | 271 | |
745f43e3 DA |
272 | if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
273 | printf("%5d/%-5d ", sample->pid, sample->tid); | |
274 | else if (PRINT_FIELD(PID)) | |
275 | printf("%5d ", sample->pid); | |
276 | else if (PRINT_FIELD(TID)) | |
277 | printf("%5d ", sample->tid); | |
278 | ||
279 | if (PRINT_FIELD(CPU)) { | |
280 | if (latency_format) | |
281 | printf("%3d ", sample->cpu); | |
282 | else | |
283 | printf("[%03d] ", sample->cpu); | |
284 | } | |
c70c94b4 | 285 | |
745f43e3 DA |
286 | if (PRINT_FIELD(TIME)) { |
287 | nsecs = sample->time; | |
288 | secs = nsecs / NSECS_PER_SEC; | |
289 | nsecs -= secs * NSECS_PER_SEC; | |
290 | usecs = nsecs / NSECS_PER_USEC; | |
291 | printf("%5lu.%06lu: ", secs, usecs); | |
292 | } | |
c70c94b4 | 293 | |
745f43e3 | 294 | if (PRINT_FIELD(EVNAME)) { |
1424dc96 DA |
295 | if (attr->type == PERF_TYPE_TRACEPOINT) { |
296 | type = trace_parse_common_type(sample->raw_data); | |
297 | event = trace_find_event(type); | |
298 | if (event) | |
299 | evname = event->name; | |
300 | } else | |
301 | evname = __event_name(attr->type, attr->config); | |
c70c94b4 | 302 | |
547a92e0 | 303 | printf("%s: ", evname ? evname : "[unknown]"); |
745f43e3 | 304 | } |
c70c94b4 DA |
305 | } |
306 | ||
95582596 AN |
307 | static bool is_bts_event(struct perf_event_attr *attr) |
308 | { | |
309 | return ((attr->type == PERF_TYPE_HARDWARE) && | |
310 | (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && | |
311 | (attr->sample_period == 1)); | |
312 | } | |
313 | ||
7cec0922 DA |
314 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
315 | { | |
316 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
317 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
318 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
319 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
320 | return true; | |
321 | ||
95582596 AN |
322 | if (is_bts_event(attr)) |
323 | return true; | |
324 | ||
7cec0922 DA |
325 | return false; |
326 | } | |
327 | ||
328 | static void print_sample_addr(union perf_event *event, | |
329 | struct perf_sample *sample, | |
743eb868 | 330 | struct machine *machine, |
7cec0922 DA |
331 | struct thread *thread, |
332 | struct perf_event_attr *attr) | |
333 | { | |
334 | struct addr_location al; | |
335 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
7cec0922 DA |
336 | |
337 | printf("%16" PRIx64, sample->addr); | |
338 | ||
339 | if (!sample_addr_correlates_sym(attr)) | |
340 | return; | |
341 | ||
743eb868 ACM |
342 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
343 | sample->addr, &al); | |
7cec0922 | 344 | if (!al.map) |
743eb868 ACM |
345 | thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE, |
346 | sample->addr, &al); | |
7cec0922 DA |
347 | |
348 | al.cpu = sample->cpu; | |
349 | al.sym = NULL; | |
350 | ||
351 | if (al.map) | |
352 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
353 | ||
354 | if (PRINT_FIELD(SYM)) { | |
547a92e0 AN |
355 | printf(" "); |
356 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
357 | } |
358 | ||
359 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
360 | printf(" ("); |
361 | map__fprintf_dsoname(al.map, stdout); | |
362 | printf(")"); | |
7cec0922 DA |
363 | } |
364 | } | |
365 | ||
95582596 AN |
366 | static void print_sample_bts(union perf_event *event, |
367 | struct perf_sample *sample, | |
368 | struct perf_evsel *evsel, | |
369 | struct machine *machine, | |
370 | struct thread *thread) | |
371 | { | |
372 | struct perf_event_attr *attr = &evsel->attr; | |
373 | ||
374 | /* print branch_from information */ | |
375 | if (PRINT_FIELD(IP)) { | |
376 | if (!symbol_conf.use_callchain) | |
377 | printf(" "); | |
378 | else | |
379 | printf("\n"); | |
380 | perf_event__print_ip(event, sample, machine, evsel, | |
381 | PRINT_FIELD(SYM), PRINT_FIELD(DSO)); | |
382 | } | |
383 | ||
384 | printf(" => "); | |
385 | ||
386 | /* print branch_to information */ | |
387 | if (PRINT_FIELD(ADDR)) | |
388 | print_sample_addr(event, sample, machine, thread, attr); | |
389 | ||
390 | printf("\n"); | |
391 | } | |
392 | ||
be6d842a DA |
393 | static void process_event(union perf_event *event __unused, |
394 | struct perf_sample *sample, | |
9e69c210 | 395 | struct perf_evsel *evsel, |
743eb868 | 396 | struct machine *machine, |
be6d842a DA |
397 | struct thread *thread) |
398 | { | |
9e69c210 | 399 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 400 | |
2c9e45f7 | 401 | if (output[attr->type].fields == 0) |
1424dc96 DA |
402 | return; |
403 | ||
1424dc96 | 404 | print_sample_start(sample, thread, attr); |
745f43e3 | 405 | |
95582596 AN |
406 | if (is_bts_event(attr)) { |
407 | print_sample_bts(event, sample, evsel, machine, thread); | |
408 | return; | |
409 | } | |
410 | ||
745f43e3 DA |
411 | if (PRINT_FIELD(TRACE)) |
412 | print_trace_event(sample->cpu, sample->raw_data, | |
413 | sample->raw_size); | |
414 | ||
7cec0922 | 415 | if (PRINT_FIELD(ADDR)) |
743eb868 | 416 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 417 | |
787bef17 | 418 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
419 | if (!symbol_conf.use_callchain) |
420 | printf(" "); | |
421 | else | |
422 | printf("\n"); | |
743eb868 ACM |
423 | perf_event__print_ip(event, sample, machine, evsel, |
424 | PRINT_FIELD(SYM), PRINT_FIELD(DSO)); | |
c0230b2b DA |
425 | } |
426 | ||
c70c94b4 | 427 | printf("\n"); |
be6d842a DA |
428 | } |
429 | ||
586bc5cc TZ |
430 | static int default_start_script(const char *script __unused, |
431 | int argc __unused, | |
432 | const char **argv __unused) | |
956ffd02 TZ |
433 | { |
434 | return 0; | |
435 | } | |
436 | ||
437 | static int default_stop_script(void) | |
438 | { | |
439 | return 0; | |
440 | } | |
441 | ||
586bc5cc | 442 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
443 | { |
444 | return 0; | |
445 | } | |
446 | ||
447 | static struct scripting_ops default_scripting_ops = { | |
448 | .start_script = default_start_script, | |
449 | .stop_script = default_stop_script, | |
be6d842a | 450 | .process_event = process_event, |
956ffd02 TZ |
451 | .generate_script = default_generate_script, |
452 | }; | |
453 | ||
454 | static struct scripting_ops *scripting_ops; | |
455 | ||
456 | static void setup_scripting(void) | |
457 | { | |
16c632de | 458 | setup_perl_scripting(); |
7e4b21b8 | 459 | setup_python_scripting(); |
16c632de | 460 | |
956ffd02 TZ |
461 | scripting_ops = &default_scripting_ops; |
462 | } | |
463 | ||
464 | static int cleanup_scripting(void) | |
465 | { | |
133dc4c3 | 466 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 467 | |
956ffd02 TZ |
468 | return scripting_ops->stop_script(); |
469 | } | |
470 | ||
efad1415 | 471 | static const char *input_name; |
5f9c39dc | 472 | |
45694aa7 | 473 | static int process_sample_event(struct perf_tool *tool __used, |
d20deb64 | 474 | union perf_event *event, |
8115d60c | 475 | struct perf_sample *sample, |
9e69c210 | 476 | struct perf_evsel *evsel, |
743eb868 | 477 | struct machine *machine) |
5f9c39dc | 478 | { |
e7984b7b | 479 | struct addr_location al; |
64aab93c | 480 | struct thread *thread = machine__findnew_thread(machine, event->ip.tid); |
6ddf259d | 481 | |
5f9c39dc | 482 | if (thread == NULL) { |
6beba7ad ACM |
483 | pr_debug("problem processing %d event, skipping it.\n", |
484 | event->header.type); | |
5f9c39dc FW |
485 | return -1; |
486 | } | |
487 | ||
1424dc96 DA |
488 | if (debug_mode) { |
489 | if (sample->time < last_timestamp) { | |
490 | pr_err("Samples misordered, previous: %" PRIu64 | |
491 | " this: %" PRIu64 "\n", last_timestamp, | |
492 | sample->time); | |
493 | nr_unordered++; | |
e1889d75 | 494 | } |
1424dc96 DA |
495 | last_timestamp = sample->time; |
496 | return 0; | |
5f9c39dc | 497 | } |
5d67be97 | 498 | |
e7984b7b DA |
499 | if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) { |
500 | pr_err("problem processing %d event, skipping it.\n", | |
501 | event->header.type); | |
502 | return -1; | |
503 | } | |
504 | ||
505 | if (al.filtered) | |
506 | return 0; | |
507 | ||
5d67be97 AB |
508 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
509 | return 0; | |
510 | ||
743eb868 | 511 | scripting_ops->process_event(event, sample, evsel, machine, thread); |
5f9c39dc | 512 | |
743eb868 | 513 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
514 | return 0; |
515 | } | |
516 | ||
45694aa7 | 517 | static struct perf_tool perf_script = { |
8115d60c | 518 | .sample = process_sample_event, |
c0230b2b | 519 | .mmap = perf_event__process_mmap, |
8115d60c | 520 | .comm = perf_event__process_comm, |
c0230b2b DA |
521 | .exit = perf_event__process_task, |
522 | .fork = perf_event__process_task, | |
8115d60c ACM |
523 | .attr = perf_event__process_attr, |
524 | .event_type = perf_event__process_event_type, | |
525 | .tracing_data = perf_event__process_tracing_data, | |
526 | .build_id = perf_event__process_build_id, | |
e0a808c6 | 527 | .ordered_samples = true, |
8115d60c | 528 | .ordering_requires_timestamps = true, |
016e92fb FW |
529 | }; |
530 | ||
c239da3b TZ |
531 | extern volatile int session_done; |
532 | ||
533 | static void sig_handler(int sig __unused) | |
534 | { | |
535 | session_done = 1; | |
536 | } | |
537 | ||
133dc4c3 | 538 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 539 | { |
6fcf7ddb FW |
540 | int ret; |
541 | ||
c239da3b TZ |
542 | signal(SIGINT, sig_handler); |
543 | ||
45694aa7 | 544 | ret = perf_session__process_events(session, &perf_script); |
6fcf7ddb | 545 | |
6d8afb56 | 546 | if (debug_mode) |
9486aa38 | 547 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
548 | |
549 | return ret; | |
5f9c39dc FW |
550 | } |
551 | ||
956ffd02 TZ |
552 | struct script_spec { |
553 | struct list_head node; | |
554 | struct scripting_ops *ops; | |
555 | char spec[0]; | |
556 | }; | |
557 | ||
eccdfe2d | 558 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
559 | |
560 | static struct script_spec *script_spec__new(const char *spec, | |
561 | struct scripting_ops *ops) | |
562 | { | |
563 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
564 | ||
565 | if (s != NULL) { | |
566 | strcpy(s->spec, spec); | |
567 | s->ops = ops; | |
568 | } | |
569 | ||
570 | return s; | |
571 | } | |
572 | ||
956ffd02 TZ |
573 | static void script_spec__add(struct script_spec *s) |
574 | { | |
575 | list_add_tail(&s->node, &script_specs); | |
576 | } | |
577 | ||
578 | static struct script_spec *script_spec__find(const char *spec) | |
579 | { | |
580 | struct script_spec *s; | |
581 | ||
582 | list_for_each_entry(s, &script_specs, node) | |
583 | if (strcasecmp(s->spec, spec) == 0) | |
584 | return s; | |
585 | return NULL; | |
586 | } | |
587 | ||
588 | static struct script_spec *script_spec__findnew(const char *spec, | |
589 | struct scripting_ops *ops) | |
590 | { | |
591 | struct script_spec *s = script_spec__find(spec); | |
592 | ||
593 | if (s) | |
594 | return s; | |
595 | ||
596 | s = script_spec__new(spec, ops); | |
597 | if (!s) | |
466e2876 | 598 | return NULL; |
956ffd02 TZ |
599 | |
600 | script_spec__add(s); | |
601 | ||
602 | return s; | |
956ffd02 TZ |
603 | } |
604 | ||
605 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
606 | { | |
607 | struct script_spec *s; | |
608 | ||
609 | s = script_spec__find(spec); | |
610 | if (s) | |
611 | return -1; | |
612 | ||
613 | s = script_spec__findnew(spec, ops); | |
614 | if (!s) | |
615 | return -1; | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
620 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
621 | { | |
622 | struct script_spec *s = script_spec__find(spec); | |
623 | if (!s) | |
624 | return NULL; | |
625 | ||
626 | return s->ops; | |
627 | } | |
628 | ||
629 | static void list_available_languages(void) | |
630 | { | |
631 | struct script_spec *s; | |
632 | ||
633 | fprintf(stderr, "\n"); | |
634 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 635 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
636 | |
637 | list_for_each_entry(s, &script_specs, node) | |
638 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
639 | ||
640 | fprintf(stderr, "\n"); | |
641 | } | |
642 | ||
643 | static int parse_scriptname(const struct option *opt __used, | |
644 | const char *str, int unset __used) | |
645 | { | |
646 | char spec[PATH_MAX]; | |
647 | const char *script, *ext; | |
648 | int len; | |
649 | ||
f526d68b | 650 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 651 | list_available_languages(); |
f526d68b | 652 | exit(0); |
956ffd02 TZ |
653 | } |
654 | ||
655 | script = strchr(str, ':'); | |
656 | if (script) { | |
657 | len = script - str; | |
658 | if (len >= PATH_MAX) { | |
659 | fprintf(stderr, "invalid language specifier"); | |
660 | return -1; | |
661 | } | |
662 | strncpy(spec, str, len); | |
663 | spec[len] = '\0'; | |
664 | scripting_ops = script_spec__lookup(spec); | |
665 | if (!scripting_ops) { | |
666 | fprintf(stderr, "invalid language specifier"); | |
667 | return -1; | |
668 | } | |
669 | script++; | |
670 | } else { | |
671 | script = str; | |
d1e95bb5 | 672 | ext = strrchr(script, '.'); |
956ffd02 TZ |
673 | if (!ext) { |
674 | fprintf(stderr, "invalid script extension"); | |
675 | return -1; | |
676 | } | |
677 | scripting_ops = script_spec__lookup(++ext); | |
678 | if (!scripting_ops) { | |
679 | fprintf(stderr, "invalid script extension"); | |
680 | return -1; | |
681 | } | |
682 | } | |
683 | ||
684 | script_name = strdup(script); | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
745f43e3 DA |
689 | static int parse_output_fields(const struct option *opt __used, |
690 | const char *arg, int unset __used) | |
691 | { | |
692 | char *tok; | |
693 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
2c9e45f7 | 694 | int j; |
745f43e3 DA |
695 | int rc = 0; |
696 | char *str = strdup(arg); | |
1424dc96 | 697 | int type = -1; |
745f43e3 DA |
698 | |
699 | if (!str) | |
700 | return -ENOMEM; | |
701 | ||
2c9e45f7 DA |
702 | /* first word can state for which event type the user is specifying |
703 | * the fields. If no type exists, the specified fields apply to all | |
704 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 705 | */ |
2c9e45f7 DA |
706 | tok = strchr(str, ':'); |
707 | if (tok) { | |
708 | *tok = '\0'; | |
709 | tok++; | |
710 | if (!strcmp(str, "hw")) | |
711 | type = PERF_TYPE_HARDWARE; | |
712 | else if (!strcmp(str, "sw")) | |
713 | type = PERF_TYPE_SOFTWARE; | |
714 | else if (!strcmp(str, "trace")) | |
715 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
716 | else if (!strcmp(str, "raw")) |
717 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
718 | else { |
719 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
720 | rc = -EINVAL; |
721 | goto out; | |
2c9e45f7 DA |
722 | } |
723 | ||
724 | if (output[type].user_set) | |
725 | pr_warning("Overriding previous field request for %s events.\n", | |
726 | event_type(type)); | |
727 | ||
728 | output[type].fields = 0; | |
729 | output[type].user_set = true; | |
9cbdb702 | 730 | output[type].wildcard_set = false; |
2c9e45f7 DA |
731 | |
732 | } else { | |
733 | tok = str; | |
734 | if (strlen(str) == 0) { | |
735 | fprintf(stderr, | |
736 | "Cannot set fields to 'none' for all event types.\n"); | |
737 | rc = -EINVAL; | |
738 | goto out; | |
739 | } | |
740 | ||
741 | if (output_set_by_user()) | |
742 | pr_warning("Overriding previous field request for all events.\n"); | |
743 | ||
744 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
745 | output[j].fields = 0; | |
746 | output[j].user_set = true; | |
9cbdb702 | 747 | output[j].wildcard_set = true; |
2c9e45f7 | 748 | } |
745f43e3 DA |
749 | } |
750 | ||
2c9e45f7 DA |
751 | tok = strtok(tok, ","); |
752 | while (tok) { | |
745f43e3 | 753 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 754 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 755 | break; |
745f43e3 DA |
756 | } |
757 | if (i == imax) { | |
2c9e45f7 | 758 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 759 | rc = -EINVAL; |
2c9e45f7 | 760 | goto out; |
745f43e3 DA |
761 | } |
762 | ||
2c9e45f7 DA |
763 | if (type == -1) { |
764 | /* add user option to all events types for | |
765 | * which it is valid | |
766 | */ | |
767 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
768 | if (output[j].invalid_fields & all_output_options[i].field) { | |
769 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
770 | all_output_options[i].str, event_type(j)); | |
771 | } else | |
772 | output[j].fields |= all_output_options[i].field; | |
773 | } | |
774 | } else { | |
775 | if (output[type].invalid_fields & all_output_options[i].field) { | |
776 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
777 | all_output_options[i].str, event_type(type)); | |
778 | ||
779 | rc = -EINVAL; | |
780 | goto out; | |
781 | } | |
782 | output[type].fields |= all_output_options[i].field; | |
783 | } | |
784 | ||
785 | tok = strtok(NULL, ","); | |
745f43e3 DA |
786 | } |
787 | ||
2c9e45f7 DA |
788 | if (type >= 0) { |
789 | if (output[type].fields == 0) { | |
790 | pr_debug("No fields requested for %s type. " | |
791 | "Events will not be displayed.\n", event_type(type)); | |
792 | } | |
793 | } | |
745f43e3 | 794 | |
2c9e45f7 | 795 | out: |
745f43e3 DA |
796 | free(str); |
797 | return rc; | |
798 | } | |
799 | ||
008f29d3 SB |
800 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
801 | static int is_directory(const char *base_path, const struct dirent *dent) | |
802 | { | |
803 | char path[PATH_MAX]; | |
804 | struct stat st; | |
805 | ||
806 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
807 | if (stat(path, &st)) | |
808 | return 0; | |
809 | ||
810 | return S_ISDIR(st.st_mode); | |
811 | } | |
812 | ||
813 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
814 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
815 | lang_next) \ | |
008f29d3 SB |
816 | if ((lang_dirent.d_type == DT_DIR || \ |
817 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
818 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
819 | (strcmp(lang_dirent.d_name, ".")) && \ |
820 | (strcmp(lang_dirent.d_name, ".."))) | |
821 | ||
008f29d3 | 822 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
823 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
824 | script_next) \ | |
008f29d3 SB |
825 | if (script_dirent.d_type != DT_DIR && \ |
826 | (script_dirent.d_type != DT_UNKNOWN || \ | |
827 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
828 | |
829 | ||
830 | #define RECORD_SUFFIX "-record" | |
831 | #define REPORT_SUFFIX "-report" | |
832 | ||
833 | struct script_desc { | |
834 | struct list_head node; | |
835 | char *name; | |
836 | char *half_liner; | |
837 | char *args; | |
838 | }; | |
839 | ||
eccdfe2d | 840 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
841 | |
842 | static struct script_desc *script_desc__new(const char *name) | |
843 | { | |
844 | struct script_desc *s = zalloc(sizeof(*s)); | |
845 | ||
b5b87312 | 846 | if (s != NULL && name) |
4b9c0c59 TZ |
847 | s->name = strdup(name); |
848 | ||
849 | return s; | |
850 | } | |
851 | ||
852 | static void script_desc__delete(struct script_desc *s) | |
853 | { | |
854 | free(s->name); | |
e8719adf TZ |
855 | free(s->half_liner); |
856 | free(s->args); | |
4b9c0c59 TZ |
857 | free(s); |
858 | } | |
859 | ||
860 | static void script_desc__add(struct script_desc *s) | |
861 | { | |
862 | list_add_tail(&s->node, &script_descs); | |
863 | } | |
864 | ||
865 | static struct script_desc *script_desc__find(const char *name) | |
866 | { | |
867 | struct script_desc *s; | |
868 | ||
869 | list_for_each_entry(s, &script_descs, node) | |
870 | if (strcasecmp(s->name, name) == 0) | |
871 | return s; | |
872 | return NULL; | |
873 | } | |
874 | ||
875 | static struct script_desc *script_desc__findnew(const char *name) | |
876 | { | |
877 | struct script_desc *s = script_desc__find(name); | |
878 | ||
879 | if (s) | |
880 | return s; | |
881 | ||
882 | s = script_desc__new(name); | |
883 | if (!s) | |
884 | goto out_delete_desc; | |
885 | ||
886 | script_desc__add(s); | |
887 | ||
888 | return s; | |
889 | ||
890 | out_delete_desc: | |
891 | script_desc__delete(s); | |
892 | ||
893 | return NULL; | |
894 | } | |
895 | ||
965bb6be | 896 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
897 | { |
898 | size_t suffix_len = strlen(suffix); | |
965bb6be | 899 | const char *p = str; |
4b9c0c59 TZ |
900 | |
901 | if (strlen(str) > suffix_len) { | |
902 | p = str + strlen(str) - suffix_len; | |
903 | if (!strncmp(p, suffix, suffix_len)) | |
904 | return p; | |
905 | } | |
906 | ||
907 | return NULL; | |
908 | } | |
909 | ||
910 | static char *ltrim(char *str) | |
911 | { | |
912 | int len = strlen(str); | |
913 | ||
914 | while (len && isspace(*str)) { | |
915 | len--; | |
916 | str++; | |
917 | } | |
918 | ||
919 | return str; | |
920 | } | |
921 | ||
922 | static int read_script_info(struct script_desc *desc, const char *filename) | |
923 | { | |
924 | char line[BUFSIZ], *p; | |
925 | FILE *fp; | |
926 | ||
927 | fp = fopen(filename, "r"); | |
928 | if (!fp) | |
929 | return -1; | |
930 | ||
931 | while (fgets(line, sizeof(line), fp)) { | |
932 | p = ltrim(line); | |
933 | if (strlen(p) == 0) | |
934 | continue; | |
935 | if (*p != '#') | |
936 | continue; | |
937 | p++; | |
938 | if (strlen(p) && *p == '!') | |
939 | continue; | |
940 | ||
941 | p = ltrim(p); | |
942 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
943 | p[strlen(p) - 1] = '\0'; | |
944 | ||
945 | if (!strncmp(p, "description:", strlen("description:"))) { | |
946 | p += strlen("description:"); | |
947 | desc->half_liner = strdup(ltrim(p)); | |
948 | continue; | |
949 | } | |
950 | ||
951 | if (!strncmp(p, "args:", strlen("args:"))) { | |
952 | p += strlen("args:"); | |
953 | desc->args = strdup(ltrim(p)); | |
954 | continue; | |
955 | } | |
956 | } | |
957 | ||
958 | fclose(fp); | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
38efb539 RR |
963 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
964 | { | |
965 | char *script_root, *str; | |
966 | ||
967 | script_root = strdup(script_dirent->d_name); | |
968 | if (!script_root) | |
969 | return NULL; | |
970 | ||
971 | str = (char *)ends_with(script_root, suffix); | |
972 | if (!str) { | |
973 | free(script_root); | |
974 | return NULL; | |
975 | } | |
976 | ||
977 | *str = '\0'; | |
978 | return script_root; | |
979 | } | |
980 | ||
4b9c0c59 TZ |
981 | static int list_available_scripts(const struct option *opt __used, |
982 | const char *s __used, int unset __used) | |
983 | { | |
984 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
985 | char scripts_path[MAXPATHLEN]; | |
986 | DIR *scripts_dir, *lang_dir; | |
987 | char script_path[MAXPATHLEN]; | |
988 | char lang_path[MAXPATHLEN]; | |
989 | struct script_desc *desc; | |
990 | char first_half[BUFSIZ]; | |
991 | char *script_root; | |
4b9c0c59 TZ |
992 | |
993 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
994 | ||
995 | scripts_dir = opendir(scripts_path); | |
996 | if (!scripts_dir) | |
997 | return -1; | |
998 | ||
008f29d3 | 999 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
1000 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1001 | lang_dirent.d_name); | |
1002 | lang_dir = opendir(lang_path); | |
1003 | if (!lang_dir) | |
1004 | continue; | |
1005 | ||
008f29d3 | 1006 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1007 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
1008 | if (script_root) { | |
4b9c0c59 TZ |
1009 | desc = script_desc__findnew(script_root); |
1010 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
1011 | lang_path, script_dirent.d_name); | |
1012 | read_script_info(desc, script_path); | |
38efb539 | 1013 | free(script_root); |
4b9c0c59 | 1014 | } |
4b9c0c59 TZ |
1015 | } |
1016 | } | |
1017 | ||
1018 | fprintf(stdout, "List of available trace scripts:\n"); | |
1019 | list_for_each_entry(desc, &script_descs, node) { | |
1020 | sprintf(first_half, "%s %s", desc->name, | |
1021 | desc->args ? desc->args : ""); | |
1022 | fprintf(stdout, " %-36s %s\n", first_half, | |
1023 | desc->half_liner ? desc->half_liner : ""); | |
1024 | } | |
1025 | ||
1026 | exit(0); | |
1027 | } | |
1028 | ||
3875294f TZ |
1029 | static char *get_script_path(const char *script_root, const char *suffix) |
1030 | { | |
1031 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
1032 | char scripts_path[MAXPATHLEN]; | |
1033 | char script_path[MAXPATHLEN]; | |
1034 | DIR *scripts_dir, *lang_dir; | |
1035 | char lang_path[MAXPATHLEN]; | |
38efb539 | 1036 | char *__script_root; |
3875294f TZ |
1037 | |
1038 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
1039 | ||
1040 | scripts_dir = opendir(scripts_path); | |
1041 | if (!scripts_dir) | |
1042 | return NULL; | |
1043 | ||
008f29d3 | 1044 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1045 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1046 | lang_dirent.d_name); | |
1047 | lang_dir = opendir(lang_path); | |
1048 | if (!lang_dir) | |
1049 | continue; | |
1050 | ||
008f29d3 | 1051 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1052 | __script_root = get_script_root(&script_dirent, suffix); |
1053 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1054 | free(__script_root); | |
946ef2a2 NK |
1055 | closedir(lang_dir); |
1056 | closedir(scripts_dir); | |
3875294f TZ |
1057 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1058 | lang_path, script_dirent.d_name); | |
38efb539 | 1059 | return strdup(script_path); |
3875294f TZ |
1060 | } |
1061 | free(__script_root); | |
1062 | } | |
946ef2a2 | 1063 | closedir(lang_dir); |
3875294f | 1064 | } |
946ef2a2 | 1065 | closedir(scripts_dir); |
3875294f | 1066 | |
38efb539 | 1067 | return NULL; |
3875294f TZ |
1068 | } |
1069 | ||
b5b87312 TZ |
1070 | static bool is_top_script(const char *script_path) |
1071 | { | |
965bb6be | 1072 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1073 | } |
1074 | ||
1075 | static int has_required_arg(char *script_path) | |
1076 | { | |
1077 | struct script_desc *desc; | |
1078 | int n_args = 0; | |
1079 | char *p; | |
1080 | ||
1081 | desc = script_desc__new(NULL); | |
1082 | ||
1083 | if (read_script_info(desc, script_path)) | |
1084 | goto out; | |
1085 | ||
1086 | if (!desc->args) | |
1087 | goto out; | |
1088 | ||
1089 | for (p = desc->args; *p; p++) | |
1090 | if (*p == '<') | |
1091 | n_args++; | |
1092 | out: | |
1093 | script_desc__delete(desc); | |
1094 | ||
1095 | return n_args; | |
1096 | } | |
1097 | ||
133dc4c3 IM |
1098 | static const char * const script_usage[] = { |
1099 | "perf script [<options>]", | |
1100 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1101 | "perf script [<options>] report <script> [script-args]", | |
1102 | "perf script [<options>] <script> [<record-options>] <command>", | |
1103 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
1104 | NULL |
1105 | }; | |
1106 | ||
1107 | static const struct option options[] = { | |
1108 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1109 | "dump raw trace in ASCII"), | |
c0555642 | 1110 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 1111 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1112 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1113 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1114 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1115 | list_available_scripts), | |
956ffd02 TZ |
1116 | OPT_CALLBACK('s', "script", NULL, "name", |
1117 | "script file name (lang:script name, script name, or *)", | |
1118 | parse_scriptname), | |
1119 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1120 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
1121 | OPT_STRING('i', "input", &input_name, "file", |
1122 | "input file name"), | |
ffabd99e FW |
1123 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1124 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1125 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1126 | "file", "vmlinux pathname"), | |
1127 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1128 | "file", "kallsyms pathname"), | |
1129 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1130 | "When printing symbols do not display call chain"), | |
1131 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1132 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1133 | OPT_CALLBACK('f', "fields", NULL, "str", |
7cec0922 | 1134 | "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 | 1135 | parse_output_fields), |
317df650 RR |
1136 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
1137 | "system-wide collection from all CPUs"), | |
c8e66720 | 1138 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1139 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1140 | "only display events for these comms"), | |
fbe96f29 SE |
1141 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1142 | "display extended information from perf.data file"), | |
1909629f | 1143 | OPT_END() |
5f9c39dc FW |
1144 | }; |
1145 | ||
34c86ea9 TZ |
1146 | static bool have_cmd(int argc, const char **argv) |
1147 | { | |
1148 | char **__argv = malloc(sizeof(const char *) * argc); | |
1149 | ||
1150 | if (!__argv) | |
1151 | die("malloc"); | |
1152 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1153 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1154 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1155 | free(__argv); | |
1156 | ||
1157 | return argc != 0; | |
1158 | } | |
1159 | ||
133dc4c3 | 1160 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 1161 | { |
b5b87312 TZ |
1162 | char *rec_script_path = NULL; |
1163 | char *rep_script_path = NULL; | |
d8f66248 | 1164 | struct perf_session *session; |
b5b87312 | 1165 | char *script_path = NULL; |
3875294f | 1166 | const char **__argv; |
b5b87312 | 1167 | int i, j, err; |
3875294f | 1168 | |
b5b87312 TZ |
1169 | setup_scripting(); |
1170 | ||
133dc4c3 | 1171 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1172 | PARSE_OPT_STOP_AT_NON_OPTION); |
1173 | ||
1174 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1175 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1176 | if (!rec_script_path) | |
1177 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1178 | } |
1179 | ||
b5b87312 TZ |
1180 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1181 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1182 | if (!rep_script_path) { | |
3875294f | 1183 | fprintf(stderr, |
b5b87312 | 1184 | "Please specify a valid report script" |
133dc4c3 | 1185 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1186 | return -1; |
1187 | } | |
3875294f TZ |
1188 | } |
1189 | ||
44e668c6 BH |
1190 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1191 | perf_set_argv_exec_path(perf_exec_path()); | |
1192 | ||
b5b87312 | 1193 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1194 | int live_pipe[2]; |
b5b87312 | 1195 | int rep_args; |
a0cccc2e TZ |
1196 | pid_t pid; |
1197 | ||
b5b87312 TZ |
1198 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1199 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1200 | ||
1201 | if (!rec_script_path && !rep_script_path) { | |
1202 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1203 | " script -l for available scripts.\n", argv[0]); |
1204 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1205 | } |
1206 | ||
b5b87312 TZ |
1207 | if (is_top_script(argv[0])) { |
1208 | rep_args = argc - 1; | |
1209 | } else { | |
1210 | int rec_args; | |
1211 | ||
1212 | rep_args = has_required_arg(rep_script_path); | |
1213 | rec_args = (argc - 1) - rep_args; | |
1214 | if (rec_args < 0) { | |
1215 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1216 | "\n\n See perf script -l for available " |
b5b87312 | 1217 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1218 | usage_with_options(script_usage, options); |
b5b87312 | 1219 | } |
a0cccc2e TZ |
1220 | } |
1221 | ||
1222 | if (pipe(live_pipe) < 0) { | |
1223 | perror("failed to create pipe"); | |
1224 | exit(-1); | |
1225 | } | |
1226 | ||
1227 | pid = fork(); | |
1228 | if (pid < 0) { | |
1229 | perror("failed to fork"); | |
1230 | exit(-1); | |
1231 | } | |
1232 | ||
1233 | if (!pid) { | |
b5b87312 TZ |
1234 | j = 0; |
1235 | ||
a0cccc2e TZ |
1236 | dup2(live_pipe[1], 1); |
1237 | close(live_pipe[0]); | |
1238 | ||
317df650 RR |
1239 | if (is_top_script(argv[0])) { |
1240 | system_wide = true; | |
1241 | } else if (!system_wide) { | |
b5b87312 TZ |
1242 | system_wide = !have_cmd(argc - rep_args, |
1243 | &argv[rep_args]); | |
317df650 | 1244 | } |
b5b87312 TZ |
1245 | |
1246 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
1247 | if (!__argv) |
1248 | die("malloc"); | |
1249 | ||
b5b87312 TZ |
1250 | __argv[j++] = "/bin/sh"; |
1251 | __argv[j++] = rec_script_path; | |
1252 | if (system_wide) | |
1253 | __argv[j++] = "-a"; | |
1254 | __argv[j++] = "-q"; | |
1255 | __argv[j++] = "-o"; | |
1256 | __argv[j++] = "-"; | |
1257 | for (i = rep_args + 1; i < argc; i++) | |
1258 | __argv[j++] = argv[i]; | |
1259 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1260 | |
1261 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1262 | free(__argv); |
a0cccc2e TZ |
1263 | exit(-1); |
1264 | } | |
1265 | ||
1266 | dup2(live_pipe[0], 0); | |
1267 | close(live_pipe[1]); | |
1268 | ||
b5b87312 | 1269 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
1270 | if (!__argv) |
1271 | die("malloc"); | |
b5b87312 TZ |
1272 | j = 0; |
1273 | __argv[j++] = "/bin/sh"; | |
1274 | __argv[j++] = rep_script_path; | |
1275 | for (i = 1; i < rep_args + 1; i++) | |
1276 | __argv[j++] = argv[i]; | |
1277 | __argv[j++] = "-i"; | |
1278 | __argv[j++] = "-"; | |
1279 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1280 | |
1281 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1282 | free(__argv); |
a0cccc2e TZ |
1283 | exit(-1); |
1284 | } | |
1285 | ||
b5b87312 TZ |
1286 | if (rec_script_path) |
1287 | script_path = rec_script_path; | |
1288 | if (rep_script_path) | |
1289 | script_path = rep_script_path; | |
34c86ea9 | 1290 | |
b5b87312 | 1291 | if (script_path) { |
b5b87312 | 1292 | j = 0; |
3875294f | 1293 | |
317df650 RR |
1294 | if (!rec_script_path) |
1295 | system_wide = false; | |
1296 | else if (!system_wide) | |
b5b87312 | 1297 | system_wide = !have_cmd(argc - 1, &argv[1]); |
34c86ea9 | 1298 | |
b5b87312 | 1299 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
1300 | if (!__argv) |
1301 | die("malloc"); | |
34c86ea9 TZ |
1302 | __argv[j++] = "/bin/sh"; |
1303 | __argv[j++] = script_path; | |
1304 | if (system_wide) | |
1305 | __argv[j++] = "-a"; | |
b5b87312 | 1306 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1307 | __argv[j++] = argv[i]; |
1308 | __argv[j++] = NULL; | |
3875294f TZ |
1309 | |
1310 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1311 | free(__argv); |
3875294f TZ |
1312 | exit(-1); |
1313 | } | |
956ffd02 | 1314 | |
655000e7 ACM |
1315 | if (symbol__init() < 0) |
1316 | return -1; | |
cf4fee50 TZ |
1317 | if (!script_name) |
1318 | setup_pager(); | |
5f9c39dc | 1319 | |
45694aa7 | 1320 | session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_script); |
d8f66248 ACM |
1321 | if (session == NULL) |
1322 | return -ENOMEM; | |
1323 | ||
5d67be97 AB |
1324 | if (cpu_list) { |
1325 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1326 | return -1; | |
1327 | } | |
1328 | ||
fbe96f29 SE |
1329 | perf_session__fprintf_info(session, stdout, show_full_info); |
1330 | ||
1424dc96 | 1331 | if (!no_callchain) |
c0230b2b DA |
1332 | symbol_conf.use_callchain = true; |
1333 | else | |
1334 | symbol_conf.use_callchain = false; | |
1335 | ||
956ffd02 TZ |
1336 | if (generate_script_lang) { |
1337 | struct stat perf_stat; | |
745f43e3 DA |
1338 | int input; |
1339 | ||
2c9e45f7 | 1340 | if (output_set_by_user()) { |
745f43e3 DA |
1341 | fprintf(stderr, |
1342 | "custom fields not supported for generated scripts"); | |
1343 | return -1; | |
1344 | } | |
956ffd02 | 1345 | |
efad1415 | 1346 | input = open(session->filename, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1347 | if (input < 0) { |
1348 | perror("failed to open file"); | |
1349 | exit(-1); | |
1350 | } | |
1351 | ||
1352 | err = fstat(input, &perf_stat); | |
1353 | if (err < 0) { | |
1354 | perror("failed to stat file"); | |
1355 | exit(-1); | |
1356 | } | |
1357 | ||
1358 | if (!perf_stat.st_size) { | |
1359 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1360 | exit(0); | |
1361 | } | |
1362 | ||
1363 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1364 | if (!scripting_ops) { | |
1365 | fprintf(stderr, "invalid language specifier"); | |
1366 | return -1; | |
1367 | } | |
1368 | ||
133dc4c3 | 1369 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
1370 | goto out; |
1371 | } | |
1372 | ||
1373 | if (script_name) { | |
586bc5cc | 1374 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1375 | if (err) |
1376 | goto out; | |
133dc4c3 | 1377 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1378 | } |
1379 | ||
9cbdb702 DA |
1380 | |
1381 | err = perf_session__check_output_opt(session); | |
1382 | if (err < 0) | |
1383 | goto out; | |
1384 | ||
133dc4c3 | 1385 | err = __cmd_script(session); |
956ffd02 | 1386 | |
d8f66248 | 1387 | perf_session__delete(session); |
956ffd02 TZ |
1388 | cleanup_scripting(); |
1389 | out: | |
1390 | return err; | |
5f9c39dc | 1391 | } |