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Commit | Line | Data |
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5f9c39dc FW |
1 | #include "builtin.h" |
2 | ||
b7eead86 | 3 | #include "perf.h" |
5f9c39dc | 4 | #include "util/cache.h" |
b7eead86 AG |
5 | #include "util/debug.h" |
6 | #include "util/exec_cmd.h" | |
7 | #include "util/header.h" | |
8 | #include "util/parse-options.h" | |
9 | #include "util/session.h" | |
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 | ||
7cec0922 DA |
307 | static bool sample_addr_correlates_sym(struct perf_event_attr *attr) |
308 | { | |
309 | if ((attr->type == PERF_TYPE_SOFTWARE) && | |
310 | ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) || | |
311 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) || | |
312 | (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) | |
313 | return true; | |
314 | ||
315 | return false; | |
316 | } | |
317 | ||
318 | static void print_sample_addr(union perf_event *event, | |
319 | struct perf_sample *sample, | |
743eb868 | 320 | struct machine *machine, |
7cec0922 DA |
321 | struct thread *thread, |
322 | struct perf_event_attr *attr) | |
323 | { | |
324 | struct addr_location al; | |
325 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
7cec0922 DA |
326 | |
327 | printf("%16" PRIx64, sample->addr); | |
328 | ||
329 | if (!sample_addr_correlates_sym(attr)) | |
330 | return; | |
331 | ||
743eb868 ACM |
332 | thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, |
333 | sample->addr, &al); | |
7cec0922 | 334 | if (!al.map) |
743eb868 ACM |
335 | thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE, |
336 | sample->addr, &al); | |
7cec0922 DA |
337 | |
338 | al.cpu = sample->cpu; | |
339 | al.sym = NULL; | |
340 | ||
341 | if (al.map) | |
342 | al.sym = map__find_symbol(al.map, al.addr, NULL); | |
343 | ||
344 | if (PRINT_FIELD(SYM)) { | |
547a92e0 AN |
345 | printf(" "); |
346 | symbol__fprintf_symname(al.sym, stdout); | |
7cec0922 DA |
347 | } |
348 | ||
349 | if (PRINT_FIELD(DSO)) { | |
547a92e0 AN |
350 | printf(" ("); |
351 | map__fprintf_dsoname(al.map, stdout); | |
352 | printf(")"); | |
7cec0922 DA |
353 | } |
354 | } | |
355 | ||
be6d842a DA |
356 | static void process_event(union perf_event *event __unused, |
357 | struct perf_sample *sample, | |
9e69c210 | 358 | struct perf_evsel *evsel, |
743eb868 | 359 | struct machine *machine, |
be6d842a DA |
360 | struct thread *thread) |
361 | { | |
9e69c210 | 362 | struct perf_event_attr *attr = &evsel->attr; |
1424dc96 | 363 | |
2c9e45f7 | 364 | if (output[attr->type].fields == 0) |
1424dc96 DA |
365 | return; |
366 | ||
1424dc96 | 367 | print_sample_start(sample, thread, attr); |
745f43e3 DA |
368 | |
369 | if (PRINT_FIELD(TRACE)) | |
370 | print_trace_event(sample->cpu, sample->raw_data, | |
371 | sample->raw_size); | |
372 | ||
7cec0922 | 373 | if (PRINT_FIELD(ADDR)) |
743eb868 | 374 | print_sample_addr(event, sample, machine, thread, attr); |
7cec0922 | 375 | |
787bef17 | 376 | if (PRINT_FIELD(IP)) { |
c0230b2b DA |
377 | if (!symbol_conf.use_callchain) |
378 | printf(" "); | |
379 | else | |
380 | printf("\n"); | |
743eb868 ACM |
381 | perf_event__print_ip(event, sample, machine, evsel, |
382 | PRINT_FIELD(SYM), PRINT_FIELD(DSO)); | |
c0230b2b DA |
383 | } |
384 | ||
c70c94b4 | 385 | printf("\n"); |
be6d842a DA |
386 | } |
387 | ||
586bc5cc TZ |
388 | static int default_start_script(const char *script __unused, |
389 | int argc __unused, | |
390 | const char **argv __unused) | |
956ffd02 TZ |
391 | { |
392 | return 0; | |
393 | } | |
394 | ||
395 | static int default_stop_script(void) | |
396 | { | |
397 | return 0; | |
398 | } | |
399 | ||
586bc5cc | 400 | static int default_generate_script(const char *outfile __unused) |
956ffd02 TZ |
401 | { |
402 | return 0; | |
403 | } | |
404 | ||
405 | static struct scripting_ops default_scripting_ops = { | |
406 | .start_script = default_start_script, | |
407 | .stop_script = default_stop_script, | |
be6d842a | 408 | .process_event = process_event, |
956ffd02 TZ |
409 | .generate_script = default_generate_script, |
410 | }; | |
411 | ||
412 | static struct scripting_ops *scripting_ops; | |
413 | ||
414 | static void setup_scripting(void) | |
415 | { | |
16c632de | 416 | setup_perl_scripting(); |
7e4b21b8 | 417 | setup_python_scripting(); |
16c632de | 418 | |
956ffd02 TZ |
419 | scripting_ops = &default_scripting_ops; |
420 | } | |
421 | ||
422 | static int cleanup_scripting(void) | |
423 | { | |
133dc4c3 | 424 | pr_debug("\nperf script stopped\n"); |
3824a4e8 | 425 | |
956ffd02 TZ |
426 | return scripting_ops->stop_script(); |
427 | } | |
428 | ||
efad1415 | 429 | static const char *input_name; |
5f9c39dc | 430 | |
45694aa7 | 431 | static int process_sample_event(struct perf_tool *tool __used, |
d20deb64 | 432 | union perf_event *event, |
8115d60c | 433 | struct perf_sample *sample, |
9e69c210 | 434 | struct perf_evsel *evsel, |
743eb868 | 435 | struct machine *machine) |
5f9c39dc | 436 | { |
e7984b7b | 437 | struct addr_location al; |
64aab93c | 438 | struct thread *thread = machine__findnew_thread(machine, event->ip.tid); |
6ddf259d | 439 | |
5f9c39dc | 440 | if (thread == NULL) { |
6beba7ad ACM |
441 | pr_debug("problem processing %d event, skipping it.\n", |
442 | event->header.type); | |
5f9c39dc FW |
443 | return -1; |
444 | } | |
445 | ||
1424dc96 DA |
446 | if (debug_mode) { |
447 | if (sample->time < last_timestamp) { | |
448 | pr_err("Samples misordered, previous: %" PRIu64 | |
449 | " this: %" PRIu64 "\n", last_timestamp, | |
450 | sample->time); | |
451 | nr_unordered++; | |
e1889d75 | 452 | } |
1424dc96 DA |
453 | last_timestamp = sample->time; |
454 | return 0; | |
5f9c39dc | 455 | } |
5d67be97 | 456 | |
e7984b7b DA |
457 | if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) { |
458 | pr_err("problem processing %d event, skipping it.\n", | |
459 | event->header.type); | |
460 | return -1; | |
461 | } | |
462 | ||
463 | if (al.filtered) | |
464 | return 0; | |
465 | ||
5d67be97 AB |
466 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
467 | return 0; | |
468 | ||
743eb868 | 469 | scripting_ops->process_event(event, sample, evsel, machine, thread); |
5f9c39dc | 470 | |
743eb868 | 471 | evsel->hists.stats.total_period += sample->period; |
5f9c39dc FW |
472 | return 0; |
473 | } | |
474 | ||
45694aa7 | 475 | static struct perf_tool perf_script = { |
8115d60c | 476 | .sample = process_sample_event, |
c0230b2b | 477 | .mmap = perf_event__process_mmap, |
8115d60c | 478 | .comm = perf_event__process_comm, |
c0230b2b DA |
479 | .exit = perf_event__process_task, |
480 | .fork = perf_event__process_task, | |
8115d60c ACM |
481 | .attr = perf_event__process_attr, |
482 | .event_type = perf_event__process_event_type, | |
483 | .tracing_data = perf_event__process_tracing_data, | |
484 | .build_id = perf_event__process_build_id, | |
e0a808c6 | 485 | .ordered_samples = true, |
8115d60c | 486 | .ordering_requires_timestamps = true, |
016e92fb FW |
487 | }; |
488 | ||
c239da3b TZ |
489 | extern volatile int session_done; |
490 | ||
491 | static void sig_handler(int sig __unused) | |
492 | { | |
493 | session_done = 1; | |
494 | } | |
495 | ||
133dc4c3 | 496 | static int __cmd_script(struct perf_session *session) |
5f9c39dc | 497 | { |
6fcf7ddb FW |
498 | int ret; |
499 | ||
c239da3b TZ |
500 | signal(SIGINT, sig_handler); |
501 | ||
45694aa7 | 502 | ret = perf_session__process_events(session, &perf_script); |
6fcf7ddb | 503 | |
6d8afb56 | 504 | if (debug_mode) |
9486aa38 | 505 | pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
6fcf7ddb FW |
506 | |
507 | return ret; | |
5f9c39dc FW |
508 | } |
509 | ||
956ffd02 TZ |
510 | struct script_spec { |
511 | struct list_head node; | |
512 | struct scripting_ops *ops; | |
513 | char spec[0]; | |
514 | }; | |
515 | ||
eccdfe2d | 516 | static LIST_HEAD(script_specs); |
956ffd02 TZ |
517 | |
518 | static struct script_spec *script_spec__new(const char *spec, | |
519 | struct scripting_ops *ops) | |
520 | { | |
521 | struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); | |
522 | ||
523 | if (s != NULL) { | |
524 | strcpy(s->spec, spec); | |
525 | s->ops = ops; | |
526 | } | |
527 | ||
528 | return s; | |
529 | } | |
530 | ||
956ffd02 TZ |
531 | static void script_spec__add(struct script_spec *s) |
532 | { | |
533 | list_add_tail(&s->node, &script_specs); | |
534 | } | |
535 | ||
536 | static struct script_spec *script_spec__find(const char *spec) | |
537 | { | |
538 | struct script_spec *s; | |
539 | ||
540 | list_for_each_entry(s, &script_specs, node) | |
541 | if (strcasecmp(s->spec, spec) == 0) | |
542 | return s; | |
543 | return NULL; | |
544 | } | |
545 | ||
546 | static struct script_spec *script_spec__findnew(const char *spec, | |
547 | struct scripting_ops *ops) | |
548 | { | |
549 | struct script_spec *s = script_spec__find(spec); | |
550 | ||
551 | if (s) | |
552 | return s; | |
553 | ||
554 | s = script_spec__new(spec, ops); | |
555 | if (!s) | |
466e2876 | 556 | return NULL; |
956ffd02 TZ |
557 | |
558 | script_spec__add(s); | |
559 | ||
560 | return s; | |
956ffd02 TZ |
561 | } |
562 | ||
563 | int script_spec_register(const char *spec, struct scripting_ops *ops) | |
564 | { | |
565 | struct script_spec *s; | |
566 | ||
567 | s = script_spec__find(spec); | |
568 | if (s) | |
569 | return -1; | |
570 | ||
571 | s = script_spec__findnew(spec, ops); | |
572 | if (!s) | |
573 | return -1; | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | static struct scripting_ops *script_spec__lookup(const char *spec) | |
579 | { | |
580 | struct script_spec *s = script_spec__find(spec); | |
581 | if (!s) | |
582 | return NULL; | |
583 | ||
584 | return s->ops; | |
585 | } | |
586 | ||
587 | static void list_available_languages(void) | |
588 | { | |
589 | struct script_spec *s; | |
590 | ||
591 | fprintf(stderr, "\n"); | |
592 | fprintf(stderr, "Scripting language extensions (used in " | |
133dc4c3 | 593 | "perf script -s [spec:]script.[spec]):\n\n"); |
956ffd02 TZ |
594 | |
595 | list_for_each_entry(s, &script_specs, node) | |
596 | fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); | |
597 | ||
598 | fprintf(stderr, "\n"); | |
599 | } | |
600 | ||
601 | static int parse_scriptname(const struct option *opt __used, | |
602 | const char *str, int unset __used) | |
603 | { | |
604 | char spec[PATH_MAX]; | |
605 | const char *script, *ext; | |
606 | int len; | |
607 | ||
f526d68b | 608 | if (strcmp(str, "lang") == 0) { |
956ffd02 | 609 | list_available_languages(); |
f526d68b | 610 | exit(0); |
956ffd02 TZ |
611 | } |
612 | ||
613 | script = strchr(str, ':'); | |
614 | if (script) { | |
615 | len = script - str; | |
616 | if (len >= PATH_MAX) { | |
617 | fprintf(stderr, "invalid language specifier"); | |
618 | return -1; | |
619 | } | |
620 | strncpy(spec, str, len); | |
621 | spec[len] = '\0'; | |
622 | scripting_ops = script_spec__lookup(spec); | |
623 | if (!scripting_ops) { | |
624 | fprintf(stderr, "invalid language specifier"); | |
625 | return -1; | |
626 | } | |
627 | script++; | |
628 | } else { | |
629 | script = str; | |
d1e95bb5 | 630 | ext = strrchr(script, '.'); |
956ffd02 TZ |
631 | if (!ext) { |
632 | fprintf(stderr, "invalid script extension"); | |
633 | return -1; | |
634 | } | |
635 | scripting_ops = script_spec__lookup(++ext); | |
636 | if (!scripting_ops) { | |
637 | fprintf(stderr, "invalid script extension"); | |
638 | return -1; | |
639 | } | |
640 | } | |
641 | ||
642 | script_name = strdup(script); | |
643 | ||
644 | return 0; | |
645 | } | |
646 | ||
745f43e3 DA |
647 | static int parse_output_fields(const struct option *opt __used, |
648 | const char *arg, int unset __used) | |
649 | { | |
650 | char *tok; | |
651 | int i, imax = sizeof(all_output_options) / sizeof(struct output_option); | |
2c9e45f7 | 652 | int j; |
745f43e3 DA |
653 | int rc = 0; |
654 | char *str = strdup(arg); | |
1424dc96 | 655 | int type = -1; |
745f43e3 DA |
656 | |
657 | if (!str) | |
658 | return -ENOMEM; | |
659 | ||
2c9e45f7 DA |
660 | /* first word can state for which event type the user is specifying |
661 | * the fields. If no type exists, the specified fields apply to all | |
662 | * event types found in the file minus the invalid fields for a type. | |
1424dc96 | 663 | */ |
2c9e45f7 DA |
664 | tok = strchr(str, ':'); |
665 | if (tok) { | |
666 | *tok = '\0'; | |
667 | tok++; | |
668 | if (!strcmp(str, "hw")) | |
669 | type = PERF_TYPE_HARDWARE; | |
670 | else if (!strcmp(str, "sw")) | |
671 | type = PERF_TYPE_SOFTWARE; | |
672 | else if (!strcmp(str, "trace")) | |
673 | type = PERF_TYPE_TRACEPOINT; | |
0817a6a3 AS |
674 | else if (!strcmp(str, "raw")) |
675 | type = PERF_TYPE_RAW; | |
2c9e45f7 DA |
676 | else { |
677 | fprintf(stderr, "Invalid event type in field string.\n"); | |
38efb539 RR |
678 | rc = -EINVAL; |
679 | goto out; | |
2c9e45f7 DA |
680 | } |
681 | ||
682 | if (output[type].user_set) | |
683 | pr_warning("Overriding previous field request for %s events.\n", | |
684 | event_type(type)); | |
685 | ||
686 | output[type].fields = 0; | |
687 | output[type].user_set = true; | |
9cbdb702 | 688 | output[type].wildcard_set = false; |
2c9e45f7 DA |
689 | |
690 | } else { | |
691 | tok = str; | |
692 | if (strlen(str) == 0) { | |
693 | fprintf(stderr, | |
694 | "Cannot set fields to 'none' for all event types.\n"); | |
695 | rc = -EINVAL; | |
696 | goto out; | |
697 | } | |
698 | ||
699 | if (output_set_by_user()) | |
700 | pr_warning("Overriding previous field request for all events.\n"); | |
701 | ||
702 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
703 | output[j].fields = 0; | |
704 | output[j].user_set = true; | |
9cbdb702 | 705 | output[j].wildcard_set = true; |
2c9e45f7 | 706 | } |
745f43e3 DA |
707 | } |
708 | ||
2c9e45f7 DA |
709 | tok = strtok(tok, ","); |
710 | while (tok) { | |
745f43e3 | 711 | for (i = 0; i < imax; ++i) { |
2c9e45f7 | 712 | if (strcmp(tok, all_output_options[i].str) == 0) |
745f43e3 | 713 | break; |
745f43e3 DA |
714 | } |
715 | if (i == imax) { | |
2c9e45f7 | 716 | fprintf(stderr, "Invalid field requested.\n"); |
745f43e3 | 717 | rc = -EINVAL; |
2c9e45f7 | 718 | goto out; |
745f43e3 DA |
719 | } |
720 | ||
2c9e45f7 DA |
721 | if (type == -1) { |
722 | /* add user option to all events types for | |
723 | * which it is valid | |
724 | */ | |
725 | for (j = 0; j < PERF_TYPE_MAX; ++j) { | |
726 | if (output[j].invalid_fields & all_output_options[i].field) { | |
727 | pr_warning("\'%s\' not valid for %s events. Ignoring.\n", | |
728 | all_output_options[i].str, event_type(j)); | |
729 | } else | |
730 | output[j].fields |= all_output_options[i].field; | |
731 | } | |
732 | } else { | |
733 | if (output[type].invalid_fields & all_output_options[i].field) { | |
734 | fprintf(stderr, "\'%s\' not valid for %s events.\n", | |
735 | all_output_options[i].str, event_type(type)); | |
736 | ||
737 | rc = -EINVAL; | |
738 | goto out; | |
739 | } | |
740 | output[type].fields |= all_output_options[i].field; | |
741 | } | |
742 | ||
743 | tok = strtok(NULL, ","); | |
745f43e3 DA |
744 | } |
745 | ||
2c9e45f7 DA |
746 | if (type >= 0) { |
747 | if (output[type].fields == 0) { | |
748 | pr_debug("No fields requested for %s type. " | |
749 | "Events will not be displayed.\n", event_type(type)); | |
750 | } | |
751 | } | |
745f43e3 | 752 | |
2c9e45f7 | 753 | out: |
745f43e3 DA |
754 | free(str); |
755 | return rc; | |
756 | } | |
757 | ||
008f29d3 SB |
758 | /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
759 | static int is_directory(const char *base_path, const struct dirent *dent) | |
760 | { | |
761 | char path[PATH_MAX]; | |
762 | struct stat st; | |
763 | ||
764 | sprintf(path, "%s/%s", base_path, dent->d_name); | |
765 | if (stat(path, &st)) | |
766 | return 0; | |
767 | ||
768 | return S_ISDIR(st.st_mode); | |
769 | } | |
770 | ||
771 | #define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\ | |
4b9c0c59 TZ |
772 | while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \ |
773 | lang_next) \ | |
008f29d3 SB |
774 | if ((lang_dirent.d_type == DT_DIR || \ |
775 | (lang_dirent.d_type == DT_UNKNOWN && \ | |
776 | is_directory(scripts_path, &lang_dirent))) && \ | |
4b9c0c59 TZ |
777 | (strcmp(lang_dirent.d_name, ".")) && \ |
778 | (strcmp(lang_dirent.d_name, ".."))) | |
779 | ||
008f29d3 | 780 | #define for_each_script(lang_path, lang_dir, script_dirent, script_next)\ |
4b9c0c59 TZ |
781 | while (!readdir_r(lang_dir, &script_dirent, &script_next) && \ |
782 | script_next) \ | |
008f29d3 SB |
783 | if (script_dirent.d_type != DT_DIR && \ |
784 | (script_dirent.d_type != DT_UNKNOWN || \ | |
785 | !is_directory(lang_path, &script_dirent))) | |
4b9c0c59 TZ |
786 | |
787 | ||
788 | #define RECORD_SUFFIX "-record" | |
789 | #define REPORT_SUFFIX "-report" | |
790 | ||
791 | struct script_desc { | |
792 | struct list_head node; | |
793 | char *name; | |
794 | char *half_liner; | |
795 | char *args; | |
796 | }; | |
797 | ||
eccdfe2d | 798 | static LIST_HEAD(script_descs); |
4b9c0c59 TZ |
799 | |
800 | static struct script_desc *script_desc__new(const char *name) | |
801 | { | |
802 | struct script_desc *s = zalloc(sizeof(*s)); | |
803 | ||
b5b87312 | 804 | if (s != NULL && name) |
4b9c0c59 TZ |
805 | s->name = strdup(name); |
806 | ||
807 | return s; | |
808 | } | |
809 | ||
810 | static void script_desc__delete(struct script_desc *s) | |
811 | { | |
812 | free(s->name); | |
e8719adf TZ |
813 | free(s->half_liner); |
814 | free(s->args); | |
4b9c0c59 TZ |
815 | free(s); |
816 | } | |
817 | ||
818 | static void script_desc__add(struct script_desc *s) | |
819 | { | |
820 | list_add_tail(&s->node, &script_descs); | |
821 | } | |
822 | ||
823 | static struct script_desc *script_desc__find(const char *name) | |
824 | { | |
825 | struct script_desc *s; | |
826 | ||
827 | list_for_each_entry(s, &script_descs, node) | |
828 | if (strcasecmp(s->name, name) == 0) | |
829 | return s; | |
830 | return NULL; | |
831 | } | |
832 | ||
833 | static struct script_desc *script_desc__findnew(const char *name) | |
834 | { | |
835 | struct script_desc *s = script_desc__find(name); | |
836 | ||
837 | if (s) | |
838 | return s; | |
839 | ||
840 | s = script_desc__new(name); | |
841 | if (!s) | |
842 | goto out_delete_desc; | |
843 | ||
844 | script_desc__add(s); | |
845 | ||
846 | return s; | |
847 | ||
848 | out_delete_desc: | |
849 | script_desc__delete(s); | |
850 | ||
851 | return NULL; | |
852 | } | |
853 | ||
965bb6be | 854 | static const char *ends_with(const char *str, const char *suffix) |
4b9c0c59 TZ |
855 | { |
856 | size_t suffix_len = strlen(suffix); | |
965bb6be | 857 | const char *p = str; |
4b9c0c59 TZ |
858 | |
859 | if (strlen(str) > suffix_len) { | |
860 | p = str + strlen(str) - suffix_len; | |
861 | if (!strncmp(p, suffix, suffix_len)) | |
862 | return p; | |
863 | } | |
864 | ||
865 | return NULL; | |
866 | } | |
867 | ||
868 | static char *ltrim(char *str) | |
869 | { | |
870 | int len = strlen(str); | |
871 | ||
872 | while (len && isspace(*str)) { | |
873 | len--; | |
874 | str++; | |
875 | } | |
876 | ||
877 | return str; | |
878 | } | |
879 | ||
880 | static int read_script_info(struct script_desc *desc, const char *filename) | |
881 | { | |
882 | char line[BUFSIZ], *p; | |
883 | FILE *fp; | |
884 | ||
885 | fp = fopen(filename, "r"); | |
886 | if (!fp) | |
887 | return -1; | |
888 | ||
889 | while (fgets(line, sizeof(line), fp)) { | |
890 | p = ltrim(line); | |
891 | if (strlen(p) == 0) | |
892 | continue; | |
893 | if (*p != '#') | |
894 | continue; | |
895 | p++; | |
896 | if (strlen(p) && *p == '!') | |
897 | continue; | |
898 | ||
899 | p = ltrim(p); | |
900 | if (strlen(p) && p[strlen(p) - 1] == '\n') | |
901 | p[strlen(p) - 1] = '\0'; | |
902 | ||
903 | if (!strncmp(p, "description:", strlen("description:"))) { | |
904 | p += strlen("description:"); | |
905 | desc->half_liner = strdup(ltrim(p)); | |
906 | continue; | |
907 | } | |
908 | ||
909 | if (!strncmp(p, "args:", strlen("args:"))) { | |
910 | p += strlen("args:"); | |
911 | desc->args = strdup(ltrim(p)); | |
912 | continue; | |
913 | } | |
914 | } | |
915 | ||
916 | fclose(fp); | |
917 | ||
918 | return 0; | |
919 | } | |
920 | ||
38efb539 RR |
921 | static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
922 | { | |
923 | char *script_root, *str; | |
924 | ||
925 | script_root = strdup(script_dirent->d_name); | |
926 | if (!script_root) | |
927 | return NULL; | |
928 | ||
929 | str = (char *)ends_with(script_root, suffix); | |
930 | if (!str) { | |
931 | free(script_root); | |
932 | return NULL; | |
933 | } | |
934 | ||
935 | *str = '\0'; | |
936 | return script_root; | |
937 | } | |
938 | ||
4b9c0c59 TZ |
939 | static int list_available_scripts(const struct option *opt __used, |
940 | const char *s __used, int unset __used) | |
941 | { | |
942 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
943 | char scripts_path[MAXPATHLEN]; | |
944 | DIR *scripts_dir, *lang_dir; | |
945 | char script_path[MAXPATHLEN]; | |
946 | char lang_path[MAXPATHLEN]; | |
947 | struct script_desc *desc; | |
948 | char first_half[BUFSIZ]; | |
949 | char *script_root; | |
4b9c0c59 TZ |
950 | |
951 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
952 | ||
953 | scripts_dir = opendir(scripts_path); | |
954 | if (!scripts_dir) | |
955 | return -1; | |
956 | ||
008f29d3 | 957 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
4b9c0c59 TZ |
958 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
959 | lang_dirent.d_name); | |
960 | lang_dir = opendir(lang_path); | |
961 | if (!lang_dir) | |
962 | continue; | |
963 | ||
008f29d3 | 964 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
965 | script_root = get_script_root(&script_dirent, REPORT_SUFFIX); |
966 | if (script_root) { | |
4b9c0c59 TZ |
967 | desc = script_desc__findnew(script_root); |
968 | snprintf(script_path, MAXPATHLEN, "%s/%s", | |
969 | lang_path, script_dirent.d_name); | |
970 | read_script_info(desc, script_path); | |
38efb539 | 971 | free(script_root); |
4b9c0c59 | 972 | } |
4b9c0c59 TZ |
973 | } |
974 | } | |
975 | ||
976 | fprintf(stdout, "List of available trace scripts:\n"); | |
977 | list_for_each_entry(desc, &script_descs, node) { | |
978 | sprintf(first_half, "%s %s", desc->name, | |
979 | desc->args ? desc->args : ""); | |
980 | fprintf(stdout, " %-36s %s\n", first_half, | |
981 | desc->half_liner ? desc->half_liner : ""); | |
982 | } | |
983 | ||
984 | exit(0); | |
985 | } | |
986 | ||
3875294f TZ |
987 | static char *get_script_path(const char *script_root, const char *suffix) |
988 | { | |
989 | struct dirent *script_next, *lang_next, script_dirent, lang_dirent; | |
990 | char scripts_path[MAXPATHLEN]; | |
991 | char script_path[MAXPATHLEN]; | |
992 | DIR *scripts_dir, *lang_dir; | |
993 | char lang_path[MAXPATHLEN]; | |
38efb539 | 994 | char *__script_root; |
3875294f TZ |
995 | |
996 | snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); | |
997 | ||
998 | scripts_dir = opendir(scripts_path); | |
999 | if (!scripts_dir) | |
1000 | return NULL; | |
1001 | ||
008f29d3 | 1002 | for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { |
3875294f TZ |
1003 | snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
1004 | lang_dirent.d_name); | |
1005 | lang_dir = opendir(lang_path); | |
1006 | if (!lang_dir) | |
1007 | continue; | |
1008 | ||
008f29d3 | 1009 | for_each_script(lang_path, lang_dir, script_dirent, script_next) { |
38efb539 RR |
1010 | __script_root = get_script_root(&script_dirent, suffix); |
1011 | if (__script_root && !strcmp(script_root, __script_root)) { | |
1012 | free(__script_root); | |
946ef2a2 NK |
1013 | closedir(lang_dir); |
1014 | closedir(scripts_dir); | |
3875294f TZ |
1015 | snprintf(script_path, MAXPATHLEN, "%s/%s", |
1016 | lang_path, script_dirent.d_name); | |
38efb539 | 1017 | return strdup(script_path); |
3875294f TZ |
1018 | } |
1019 | free(__script_root); | |
1020 | } | |
946ef2a2 | 1021 | closedir(lang_dir); |
3875294f | 1022 | } |
946ef2a2 | 1023 | closedir(scripts_dir); |
3875294f | 1024 | |
38efb539 | 1025 | return NULL; |
3875294f TZ |
1026 | } |
1027 | ||
b5b87312 TZ |
1028 | static bool is_top_script(const char *script_path) |
1029 | { | |
965bb6be | 1030 | return ends_with(script_path, "top") == NULL ? false : true; |
b5b87312 TZ |
1031 | } |
1032 | ||
1033 | static int has_required_arg(char *script_path) | |
1034 | { | |
1035 | struct script_desc *desc; | |
1036 | int n_args = 0; | |
1037 | char *p; | |
1038 | ||
1039 | desc = script_desc__new(NULL); | |
1040 | ||
1041 | if (read_script_info(desc, script_path)) | |
1042 | goto out; | |
1043 | ||
1044 | if (!desc->args) | |
1045 | goto out; | |
1046 | ||
1047 | for (p = desc->args; *p; p++) | |
1048 | if (*p == '<') | |
1049 | n_args++; | |
1050 | out: | |
1051 | script_desc__delete(desc); | |
1052 | ||
1053 | return n_args; | |
1054 | } | |
1055 | ||
133dc4c3 IM |
1056 | static const char * const script_usage[] = { |
1057 | "perf script [<options>]", | |
1058 | "perf script [<options>] record <script> [<record-options>] <command>", | |
1059 | "perf script [<options>] report <script> [script-args]", | |
1060 | "perf script [<options>] <script> [<record-options>] <command>", | |
1061 | "perf script [<options>] <top-script> [script-args]", | |
5f9c39dc FW |
1062 | NULL |
1063 | }; | |
1064 | ||
1065 | static const struct option options[] = { | |
1066 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
1067 | "dump raw trace in ASCII"), | |
c0555642 | 1068 | OPT_INCR('v', "verbose", &verbose, |
5f9c39dc | 1069 | "be more verbose (show symbol address, etc)"), |
4b9c0c59 | 1070 | OPT_BOOLEAN('L', "Latency", &latency_format, |
cda48461 | 1071 | "show latency attributes (irqs/preemption disabled, etc)"), |
4b9c0c59 TZ |
1072 | OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
1073 | list_available_scripts), | |
956ffd02 TZ |
1074 | OPT_CALLBACK('s', "script", NULL, "name", |
1075 | "script file name (lang:script name, script name, or *)", | |
1076 | parse_scriptname), | |
1077 | OPT_STRING('g', "gen-script", &generate_script_lang, "lang", | |
133dc4c3 | 1078 | "generate perf-script.xx script in specified language"), |
408f0d18 HM |
1079 | OPT_STRING('i', "input", &input_name, "file", |
1080 | "input file name"), | |
ffabd99e FW |
1081 | OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
1082 | "do various checks like samples ordering and lost events"), | |
c0230b2b DA |
1083 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1084 | "file", "vmlinux pathname"), | |
1085 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
1086 | "file", "kallsyms pathname"), | |
1087 | OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, | |
1088 | "When printing symbols do not display call chain"), | |
1089 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
1090 | "Look for files with symbols relative to this directory"), | |
745f43e3 | 1091 | OPT_CALLBACK('f', "fields", NULL, "str", |
7cec0922 | 1092 | "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 | 1093 | parse_output_fields), |
317df650 RR |
1094 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
1095 | "system-wide collection from all CPUs"), | |
c8e66720 | 1096 | OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
e7984b7b DA |
1097 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
1098 | "only display events for these comms"), | |
fbe96f29 SE |
1099 | OPT_BOOLEAN('I', "show-info", &show_full_info, |
1100 | "display extended information from perf.data file"), | |
1909629f | 1101 | OPT_END() |
5f9c39dc FW |
1102 | }; |
1103 | ||
34c86ea9 TZ |
1104 | static bool have_cmd(int argc, const char **argv) |
1105 | { | |
1106 | char **__argv = malloc(sizeof(const char *) * argc); | |
1107 | ||
1108 | if (!__argv) | |
1109 | die("malloc"); | |
1110 | memcpy(__argv, argv, sizeof(const char *) * argc); | |
1111 | argc = parse_options(argc, (const char **)__argv, record_options, | |
1112 | NULL, PARSE_OPT_STOP_AT_NON_OPTION); | |
1113 | free(__argv); | |
1114 | ||
1115 | return argc != 0; | |
1116 | } | |
1117 | ||
133dc4c3 | 1118 | int cmd_script(int argc, const char **argv, const char *prefix __used) |
5f9c39dc | 1119 | { |
b5b87312 TZ |
1120 | char *rec_script_path = NULL; |
1121 | char *rep_script_path = NULL; | |
d8f66248 | 1122 | struct perf_session *session; |
b5b87312 | 1123 | char *script_path = NULL; |
3875294f | 1124 | const char **__argv; |
b5b87312 | 1125 | int i, j, err; |
3875294f | 1126 | |
b5b87312 TZ |
1127 | setup_scripting(); |
1128 | ||
133dc4c3 | 1129 | argc = parse_options(argc, argv, options, script_usage, |
b5b87312 TZ |
1130 | PARSE_OPT_STOP_AT_NON_OPTION); |
1131 | ||
1132 | if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { | |
1133 | rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); | |
1134 | if (!rec_script_path) | |
1135 | return cmd_record(argc, argv, NULL); | |
3875294f TZ |
1136 | } |
1137 | ||
b5b87312 TZ |
1138 | if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
1139 | rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); | |
1140 | if (!rep_script_path) { | |
3875294f | 1141 | fprintf(stderr, |
b5b87312 | 1142 | "Please specify a valid report script" |
133dc4c3 | 1143 | "(see 'perf script -l' for listing)\n"); |
3875294f TZ |
1144 | return -1; |
1145 | } | |
3875294f TZ |
1146 | } |
1147 | ||
44e668c6 BH |
1148 | /* make sure PERF_EXEC_PATH is set for scripts */ |
1149 | perf_set_argv_exec_path(perf_exec_path()); | |
1150 | ||
b5b87312 | 1151 | if (argc && !script_name && !rec_script_path && !rep_script_path) { |
a0cccc2e | 1152 | int live_pipe[2]; |
b5b87312 | 1153 | int rep_args; |
a0cccc2e TZ |
1154 | pid_t pid; |
1155 | ||
b5b87312 TZ |
1156 | rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
1157 | rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); | |
1158 | ||
1159 | if (!rec_script_path && !rep_script_path) { | |
1160 | fprintf(stderr, " Couldn't find script %s\n\n See perf" | |
133dc4c3 IM |
1161 | " script -l for available scripts.\n", argv[0]); |
1162 | usage_with_options(script_usage, options); | |
a0cccc2e TZ |
1163 | } |
1164 | ||
b5b87312 TZ |
1165 | if (is_top_script(argv[0])) { |
1166 | rep_args = argc - 1; | |
1167 | } else { | |
1168 | int rec_args; | |
1169 | ||
1170 | rep_args = has_required_arg(rep_script_path); | |
1171 | rec_args = (argc - 1) - rep_args; | |
1172 | if (rec_args < 0) { | |
1173 | fprintf(stderr, " %s script requires options." | |
133dc4c3 | 1174 | "\n\n See perf script -l for available " |
b5b87312 | 1175 | "scripts and options.\n", argv[0]); |
133dc4c3 | 1176 | usage_with_options(script_usage, options); |
b5b87312 | 1177 | } |
a0cccc2e TZ |
1178 | } |
1179 | ||
1180 | if (pipe(live_pipe) < 0) { | |
1181 | perror("failed to create pipe"); | |
1182 | exit(-1); | |
1183 | } | |
1184 | ||
1185 | pid = fork(); | |
1186 | if (pid < 0) { | |
1187 | perror("failed to fork"); | |
1188 | exit(-1); | |
1189 | } | |
1190 | ||
1191 | if (!pid) { | |
b5b87312 TZ |
1192 | j = 0; |
1193 | ||
a0cccc2e TZ |
1194 | dup2(live_pipe[1], 1); |
1195 | close(live_pipe[0]); | |
1196 | ||
317df650 RR |
1197 | if (is_top_script(argv[0])) { |
1198 | system_wide = true; | |
1199 | } else if (!system_wide) { | |
b5b87312 TZ |
1200 | system_wide = !have_cmd(argc - rep_args, |
1201 | &argv[rep_args]); | |
317df650 | 1202 | } |
b5b87312 TZ |
1203 | |
1204 | __argv = malloc((argc + 6) * sizeof(const char *)); | |
e8719adf TZ |
1205 | if (!__argv) |
1206 | die("malloc"); | |
1207 | ||
b5b87312 TZ |
1208 | __argv[j++] = "/bin/sh"; |
1209 | __argv[j++] = rec_script_path; | |
1210 | if (system_wide) | |
1211 | __argv[j++] = "-a"; | |
1212 | __argv[j++] = "-q"; | |
1213 | __argv[j++] = "-o"; | |
1214 | __argv[j++] = "-"; | |
1215 | for (i = rep_args + 1; i < argc; i++) | |
1216 | __argv[j++] = argv[i]; | |
1217 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1218 | |
1219 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1220 | free(__argv); |
a0cccc2e TZ |
1221 | exit(-1); |
1222 | } | |
1223 | ||
1224 | dup2(live_pipe[0], 0); | |
1225 | close(live_pipe[1]); | |
1226 | ||
b5b87312 | 1227 | __argv = malloc((argc + 4) * sizeof(const char *)); |
e8719adf TZ |
1228 | if (!__argv) |
1229 | die("malloc"); | |
b5b87312 TZ |
1230 | j = 0; |
1231 | __argv[j++] = "/bin/sh"; | |
1232 | __argv[j++] = rep_script_path; | |
1233 | for (i = 1; i < rep_args + 1; i++) | |
1234 | __argv[j++] = argv[i]; | |
1235 | __argv[j++] = "-i"; | |
1236 | __argv[j++] = "-"; | |
1237 | __argv[j++] = NULL; | |
a0cccc2e TZ |
1238 | |
1239 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1240 | free(__argv); |
a0cccc2e TZ |
1241 | exit(-1); |
1242 | } | |
1243 | ||
b5b87312 TZ |
1244 | if (rec_script_path) |
1245 | script_path = rec_script_path; | |
1246 | if (rep_script_path) | |
1247 | script_path = rep_script_path; | |
34c86ea9 | 1248 | |
b5b87312 | 1249 | if (script_path) { |
b5b87312 | 1250 | j = 0; |
3875294f | 1251 | |
317df650 RR |
1252 | if (!rec_script_path) |
1253 | system_wide = false; | |
1254 | else if (!system_wide) | |
b5b87312 | 1255 | system_wide = !have_cmd(argc - 1, &argv[1]); |
34c86ea9 | 1256 | |
b5b87312 | 1257 | __argv = malloc((argc + 2) * sizeof(const char *)); |
e8719adf TZ |
1258 | if (!__argv) |
1259 | die("malloc"); | |
34c86ea9 TZ |
1260 | __argv[j++] = "/bin/sh"; |
1261 | __argv[j++] = script_path; | |
1262 | if (system_wide) | |
1263 | __argv[j++] = "-a"; | |
b5b87312 | 1264 | for (i = 2; i < argc; i++) |
34c86ea9 TZ |
1265 | __argv[j++] = argv[i]; |
1266 | __argv[j++] = NULL; | |
3875294f TZ |
1267 | |
1268 | execvp("/bin/sh", (char **)__argv); | |
e8719adf | 1269 | free(__argv); |
3875294f TZ |
1270 | exit(-1); |
1271 | } | |
956ffd02 | 1272 | |
655000e7 ACM |
1273 | if (symbol__init() < 0) |
1274 | return -1; | |
cf4fee50 TZ |
1275 | if (!script_name) |
1276 | setup_pager(); | |
5f9c39dc | 1277 | |
45694aa7 | 1278 | session = perf_session__new(input_name, O_RDONLY, 0, false, &perf_script); |
d8f66248 ACM |
1279 | if (session == NULL) |
1280 | return -ENOMEM; | |
1281 | ||
5d67be97 AB |
1282 | if (cpu_list) { |
1283 | if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) | |
1284 | return -1; | |
1285 | } | |
1286 | ||
fbe96f29 SE |
1287 | perf_session__fprintf_info(session, stdout, show_full_info); |
1288 | ||
1424dc96 | 1289 | if (!no_callchain) |
c0230b2b DA |
1290 | symbol_conf.use_callchain = true; |
1291 | else | |
1292 | symbol_conf.use_callchain = false; | |
1293 | ||
956ffd02 TZ |
1294 | if (generate_script_lang) { |
1295 | struct stat perf_stat; | |
745f43e3 DA |
1296 | int input; |
1297 | ||
2c9e45f7 | 1298 | if (output_set_by_user()) { |
745f43e3 DA |
1299 | fprintf(stderr, |
1300 | "custom fields not supported for generated scripts"); | |
1301 | return -1; | |
1302 | } | |
956ffd02 | 1303 | |
efad1415 | 1304 | input = open(session->filename, O_RDONLY); /* input_name */ |
956ffd02 TZ |
1305 | if (input < 0) { |
1306 | perror("failed to open file"); | |
1307 | exit(-1); | |
1308 | } | |
1309 | ||
1310 | err = fstat(input, &perf_stat); | |
1311 | if (err < 0) { | |
1312 | perror("failed to stat file"); | |
1313 | exit(-1); | |
1314 | } | |
1315 | ||
1316 | if (!perf_stat.st_size) { | |
1317 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | |
1318 | exit(0); | |
1319 | } | |
1320 | ||
1321 | scripting_ops = script_spec__lookup(generate_script_lang); | |
1322 | if (!scripting_ops) { | |
1323 | fprintf(stderr, "invalid language specifier"); | |
1324 | return -1; | |
1325 | } | |
1326 | ||
133dc4c3 | 1327 | err = scripting_ops->generate_script("perf-script"); |
956ffd02 TZ |
1328 | goto out; |
1329 | } | |
1330 | ||
1331 | if (script_name) { | |
586bc5cc | 1332 | err = scripting_ops->start_script(script_name, argc, argv); |
956ffd02 TZ |
1333 | if (err) |
1334 | goto out; | |
133dc4c3 | 1335 | pr_debug("perf script started with script %s\n\n", script_name); |
956ffd02 TZ |
1336 | } |
1337 | ||
9cbdb702 DA |
1338 | |
1339 | err = perf_session__check_output_opt(session); | |
1340 | if (err < 0) | |
1341 | goto out; | |
1342 | ||
133dc4c3 | 1343 | err = __cmd_script(session); |
956ffd02 | 1344 | |
d8f66248 | 1345 | perf_session__delete(session); |
956ffd02 TZ |
1346 | cleanup_scripting(); |
1347 | out: | |
1348 | return err; | |
5f9c39dc | 1349 | } |