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1 | /* | |
2 | * builtin-report.c | |
3 | * | |
4 | * Builtin report command: Analyze the perf.data input file, | |
5 | * look up and read DSOs and symbol information and display | |
6 | * a histogram of results, along various sorting keys. | |
7 | */ | |
8 | #include "builtin.h" | |
9 | ||
10 | #include "util/util.h" | |
11 | ||
12 | #include "util/annotate.h" | |
13 | #include "util/color.h" | |
14 | #include <linux/list.h> | |
15 | #include "util/cache.h" | |
16 | #include <linux/rbtree.h> | |
17 | #include "util/symbol.h" | |
18 | #include "util/callchain.h" | |
19 | #include "util/strlist.h" | |
20 | #include "util/values.h" | |
21 | ||
22 | #include "perf.h" | |
23 | #include "util/debug.h" | |
24 | #include "util/evlist.h" | |
25 | #include "util/evsel.h" | |
26 | #include "util/header.h" | |
27 | #include "util/session.h" | |
28 | #include "util/tool.h" | |
29 | ||
30 | #include "util/parse-options.h" | |
31 | #include "util/parse-events.h" | |
32 | ||
33 | #include "util/thread.h" | |
34 | #include "util/sort.h" | |
35 | #include "util/hist.h" | |
36 | ||
37 | #include <linux/bitmap.h> | |
38 | ||
39 | struct perf_report { | |
40 | struct perf_tool tool; | |
41 | struct perf_session *session; | |
42 | char const *input_name; | |
43 | bool force, use_tui, use_gtk, use_stdio; | |
44 | bool hide_unresolved; | |
45 | bool dont_use_callchains; | |
46 | bool show_full_info; | |
47 | bool show_threads; | |
48 | bool inverted_callchain; | |
49 | struct perf_read_values show_threads_values; | |
50 | const char *pretty_printing_style; | |
51 | symbol_filter_t annotate_init; | |
52 | const char *cpu_list; | |
53 | const char *symbol_filter_str; | |
54 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
55 | }; | |
56 | ||
57 | static int perf_report__add_branch_hist_entry(struct perf_tool *tool, | |
58 | struct addr_location *al, | |
59 | struct perf_sample *sample, | |
60 | struct perf_evsel *evsel, | |
61 | struct machine *machine) | |
62 | { | |
63 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
64 | struct symbol *parent = NULL; | |
65 | int err = 0; | |
66 | unsigned i; | |
67 | struct hist_entry *he; | |
68 | struct branch_info *bi, *bx; | |
69 | ||
70 | if ((sort__has_parent || symbol_conf.use_callchain) | |
71 | && sample->callchain) { | |
72 | err = machine__resolve_callchain(machine, evsel, al->thread, | |
73 | sample->callchain, &parent); | |
74 | if (err) | |
75 | return err; | |
76 | } | |
77 | ||
78 | bi = machine__resolve_bstack(machine, al->thread, | |
79 | sample->branch_stack); | |
80 | if (!bi) | |
81 | return -ENOMEM; | |
82 | ||
83 | for (i = 0; i < sample->branch_stack->nr; i++) { | |
84 | if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
85 | continue; | |
86 | /* | |
87 | * The report shows the percentage of total branches captured | |
88 | * and not events sampled. Thus we use a pseudo period of 1. | |
89 | */ | |
90 | he = __hists__add_branch_entry(&evsel->hists, al, parent, | |
91 | &bi[i], 1); | |
92 | if (he) { | |
93 | struct annotation *notes; | |
94 | err = -ENOMEM; | |
95 | bx = he->branch_info; | |
96 | if (bx->from.sym && use_browser > 0) { | |
97 | notes = symbol__annotation(bx->from.sym); | |
98 | if (!notes->src | |
99 | && symbol__alloc_hist(bx->from.sym) < 0) | |
100 | goto out; | |
101 | ||
102 | err = symbol__inc_addr_samples(bx->from.sym, | |
103 | bx->from.map, | |
104 | evsel->idx, | |
105 | bx->from.al_addr); | |
106 | if (err) | |
107 | goto out; | |
108 | } | |
109 | ||
110 | if (bx->to.sym && use_browser > 0) { | |
111 | notes = symbol__annotation(bx->to.sym); | |
112 | if (!notes->src | |
113 | && symbol__alloc_hist(bx->to.sym) < 0) | |
114 | goto out; | |
115 | ||
116 | err = symbol__inc_addr_samples(bx->to.sym, | |
117 | bx->to.map, | |
118 | evsel->idx, | |
119 | bx->to.al_addr); | |
120 | if (err) | |
121 | goto out; | |
122 | } | |
123 | evsel->hists.stats.total_period += 1; | |
124 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
125 | err = 0; | |
126 | } else | |
127 | return -ENOMEM; | |
128 | } | |
129 | out: | |
130 | return err; | |
131 | } | |
132 | ||
133 | static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, | |
134 | struct addr_location *al, | |
135 | struct perf_sample *sample, | |
136 | struct machine *machine) | |
137 | { | |
138 | struct symbol *parent = NULL; | |
139 | int err = 0; | |
140 | struct hist_entry *he; | |
141 | ||
142 | if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { | |
143 | err = machine__resolve_callchain(machine, evsel, al->thread, | |
144 | sample->callchain, &parent); | |
145 | if (err) | |
146 | return err; | |
147 | } | |
148 | ||
149 | he = __hists__add_entry(&evsel->hists, al, parent, sample->period); | |
150 | if (he == NULL) | |
151 | return -ENOMEM; | |
152 | ||
153 | if (symbol_conf.use_callchain) { | |
154 | err = callchain_append(he->callchain, | |
155 | &callchain_cursor, | |
156 | sample->period); | |
157 | if (err) | |
158 | return err; | |
159 | } | |
160 | /* | |
161 | * Only in the newt browser we are doing integrated annotation, | |
162 | * so we don't allocated the extra space needed because the stdio | |
163 | * code will not use it. | |
164 | */ | |
165 | if (he->ms.sym != NULL && use_browser > 0) { | |
166 | struct annotation *notes = symbol__annotation(he->ms.sym); | |
167 | ||
168 | assert(evsel != NULL); | |
169 | ||
170 | err = -ENOMEM; | |
171 | if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) | |
172 | goto out; | |
173 | ||
174 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
175 | } | |
176 | ||
177 | evsel->hists.stats.total_period += sample->period; | |
178 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
179 | out: | |
180 | return err; | |
181 | } | |
182 | ||
183 | ||
184 | static int process_sample_event(struct perf_tool *tool, | |
185 | union perf_event *event, | |
186 | struct perf_sample *sample, | |
187 | struct perf_evsel *evsel, | |
188 | struct machine *machine) | |
189 | { | |
190 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
191 | struct addr_location al; | |
192 | ||
193 | if (perf_event__preprocess_sample(event, machine, &al, sample, | |
194 | rep->annotate_init) < 0) { | |
195 | fprintf(stderr, "problem processing %d event, skipping it.\n", | |
196 | event->header.type); | |
197 | return -1; | |
198 | } | |
199 | ||
200 | if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) | |
201 | return 0; | |
202 | ||
203 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) | |
204 | return 0; | |
205 | ||
206 | if (sort__branch_mode == 1) { | |
207 | if (perf_report__add_branch_hist_entry(tool, &al, sample, | |
208 | evsel, machine)) { | |
209 | pr_debug("problem adding lbr entry, skipping event\n"); | |
210 | return -1; | |
211 | } | |
212 | } else { | |
213 | if (al.map != NULL) | |
214 | al.map->dso->hit = 1; | |
215 | ||
216 | if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { | |
217 | pr_debug("problem incrementing symbol period, skipping event\n"); | |
218 | return -1; | |
219 | } | |
220 | } | |
221 | return 0; | |
222 | } | |
223 | ||
224 | static int process_read_event(struct perf_tool *tool, | |
225 | union perf_event *event, | |
226 | struct perf_sample *sample __used, | |
227 | struct perf_evsel *evsel, | |
228 | struct machine *machine __used) | |
229 | { | |
230 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
231 | ||
232 | if (rep->show_threads) { | |
233 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; | |
234 | perf_read_values_add_value(&rep->show_threads_values, | |
235 | event->read.pid, event->read.tid, | |
236 | event->read.id, | |
237 | name, | |
238 | event->read.value); | |
239 | } | |
240 | ||
241 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, | |
242 | evsel ? perf_evsel__name(evsel) : "FAIL", | |
243 | event->read.value); | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | static int perf_report__setup_sample_type(struct perf_report *rep) | |
249 | { | |
250 | struct perf_session *self = rep->session; | |
251 | ||
252 | if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
253 | if (sort__has_parent) { | |
254 | ui__error("Selected --sort parent, but no " | |
255 | "callchain data. Did you call " | |
256 | "'perf record' without -g?\n"); | |
257 | return -EINVAL; | |
258 | } | |
259 | if (symbol_conf.use_callchain) { | |
260 | ui__error("Selected -g but no callchain data. Did " | |
261 | "you call 'perf record' without -g?\n"); | |
262 | return -1; | |
263 | } | |
264 | } else if (!rep->dont_use_callchains && | |
265 | callchain_param.mode != CHAIN_NONE && | |
266 | !symbol_conf.use_callchain) { | |
267 | symbol_conf.use_callchain = true; | |
268 | if (callchain_register_param(&callchain_param) < 0) { | |
269 | ui__error("Can't register callchain params.\n"); | |
270 | return -EINVAL; | |
271 | } | |
272 | } | |
273 | ||
274 | if (sort__branch_mode == 1) { | |
275 | if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) { | |
276 | ui__error("Selected -b but no branch data. " | |
277 | "Did you call perf record without -b?\n"); | |
278 | return -1; | |
279 | } | |
280 | } | |
281 | ||
282 | return 0; | |
283 | } | |
284 | ||
285 | extern volatile int session_done; | |
286 | ||
287 | static void sig_handler(int sig __used) | |
288 | { | |
289 | session_done = 1; | |
290 | } | |
291 | ||
292 | static size_t hists__fprintf_nr_sample_events(struct hists *self, | |
293 | const char *evname, FILE *fp) | |
294 | { | |
295 | size_t ret; | |
296 | char unit; | |
297 | unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; | |
298 | u64 nr_events = self->stats.total_period; | |
299 | ||
300 | nr_samples = convert_unit(nr_samples, &unit); | |
301 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
302 | if (evname != NULL) | |
303 | ret += fprintf(fp, " of event '%s'", evname); | |
304 | ||
305 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
306 | return ret + fprintf(fp, "\n#\n"); | |
307 | } | |
308 | ||
309 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, | |
310 | struct perf_report *rep, | |
311 | const char *help) | |
312 | { | |
313 | struct perf_evsel *pos; | |
314 | ||
315 | list_for_each_entry(pos, &evlist->entries, node) { | |
316 | struct hists *hists = &pos->hists; | |
317 | const char *evname = perf_evsel__name(pos); | |
318 | ||
319 | hists__fprintf_nr_sample_events(hists, evname, stdout); | |
320 | hists__fprintf(hists, NULL, false, true, 0, 0, stdout); | |
321 | fprintf(stdout, "\n\n"); | |
322 | } | |
323 | ||
324 | if (sort_order == default_sort_order && | |
325 | parent_pattern == default_parent_pattern) { | |
326 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
327 | ||
328 | if (rep->show_threads) { | |
329 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
330 | perf_read_values_display(stdout, &rep->show_threads_values, | |
331 | style); | |
332 | perf_read_values_destroy(&rep->show_threads_values); | |
333 | } | |
334 | } | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
339 | static int __cmd_report(struct perf_report *rep) | |
340 | { | |
341 | int ret = -EINVAL; | |
342 | u64 nr_samples; | |
343 | struct perf_session *session = rep->session; | |
344 | struct perf_evsel *pos; | |
345 | struct map *kernel_map; | |
346 | struct kmap *kernel_kmap; | |
347 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; | |
348 | ||
349 | signal(SIGINT, sig_handler); | |
350 | ||
351 | if (rep->cpu_list) { | |
352 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
353 | rep->cpu_bitmap); | |
354 | if (ret) | |
355 | goto out_delete; | |
356 | } | |
357 | ||
358 | if (use_browser <= 0) | |
359 | perf_session__fprintf_info(session, stdout, rep->show_full_info); | |
360 | ||
361 | if (rep->show_threads) | |
362 | perf_read_values_init(&rep->show_threads_values); | |
363 | ||
364 | ret = perf_report__setup_sample_type(rep); | |
365 | if (ret) | |
366 | goto out_delete; | |
367 | ||
368 | ret = perf_session__process_events(session, &rep->tool); | |
369 | if (ret) | |
370 | goto out_delete; | |
371 | ||
372 | kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION]; | |
373 | kernel_kmap = map__kmap(kernel_map); | |
374 | if (kernel_map == NULL || | |
375 | (kernel_map->dso->hit && | |
376 | (kernel_kmap->ref_reloc_sym == NULL || | |
377 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
378 | const char *desc = | |
379 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
380 | "can't be resolved."; | |
381 | ||
382 | if (kernel_map) { | |
383 | const struct dso *kdso = kernel_map->dso; | |
384 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
385 | desc = "If some relocation was applied (e.g. " | |
386 | "kexec) symbols may be misresolved."; | |
387 | } | |
388 | } | |
389 | ||
390 | ui__warning( | |
391 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
392 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
393 | "Samples in kernel modules can't be resolved as well.\n\n", | |
394 | desc); | |
395 | } | |
396 | ||
397 | if (dump_trace) { | |
398 | perf_session__fprintf_nr_events(session, stdout); | |
399 | goto out_delete; | |
400 | } | |
401 | ||
402 | if (verbose > 3) | |
403 | perf_session__fprintf(session, stdout); | |
404 | ||
405 | if (verbose > 2) | |
406 | perf_session__fprintf_dsos(session, stdout); | |
407 | ||
408 | nr_samples = 0; | |
409 | list_for_each_entry(pos, &session->evlist->entries, node) { | |
410 | struct hists *hists = &pos->hists; | |
411 | ||
412 | if (pos->idx == 0) | |
413 | hists->symbol_filter_str = rep->symbol_filter_str; | |
414 | ||
415 | hists__collapse_resort(hists); | |
416 | hists__output_resort(hists); | |
417 | nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; | |
418 | } | |
419 | ||
420 | if (nr_samples == 0) { | |
421 | ui__error("The %s file has no samples!\n", session->filename); | |
422 | goto out_delete; | |
423 | } | |
424 | ||
425 | if (use_browser > 0) { | |
426 | if (use_browser == 1) { | |
427 | perf_evlist__tui_browse_hists(session->evlist, help, | |
428 | NULL, NULL, 0); | |
429 | } else if (use_browser == 2) { | |
430 | perf_evlist__gtk_browse_hists(session->evlist, help, | |
431 | NULL, NULL, 0); | |
432 | } | |
433 | } else | |
434 | perf_evlist__tty_browse_hists(session->evlist, rep, help); | |
435 | ||
436 | out_delete: | |
437 | /* | |
438 | * Speed up the exit process, for large files this can | |
439 | * take quite a while. | |
440 | * | |
441 | * XXX Enable this when using valgrind or if we ever | |
442 | * librarize this command. | |
443 | * | |
444 | * Also experiment with obstacks to see how much speed | |
445 | * up we'll get here. | |
446 | * | |
447 | * perf_session__delete(session); | |
448 | */ | |
449 | return ret; | |
450 | } | |
451 | ||
452 | static int | |
453 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) | |
454 | { | |
455 | struct perf_report *rep = (struct perf_report *)opt->value; | |
456 | char *tok, *tok2; | |
457 | char *endptr; | |
458 | ||
459 | /* | |
460 | * --no-call-graph | |
461 | */ | |
462 | if (unset) { | |
463 | rep->dont_use_callchains = true; | |
464 | return 0; | |
465 | } | |
466 | ||
467 | symbol_conf.use_callchain = true; | |
468 | ||
469 | if (!arg) | |
470 | return 0; | |
471 | ||
472 | tok = strtok((char *)arg, ","); | |
473 | if (!tok) | |
474 | return -1; | |
475 | ||
476 | /* get the output mode */ | |
477 | if (!strncmp(tok, "graph", strlen(arg))) | |
478 | callchain_param.mode = CHAIN_GRAPH_ABS; | |
479 | ||
480 | else if (!strncmp(tok, "flat", strlen(arg))) | |
481 | callchain_param.mode = CHAIN_FLAT; | |
482 | ||
483 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
484 | callchain_param.mode = CHAIN_GRAPH_REL; | |
485 | ||
486 | else if (!strncmp(tok, "none", strlen(arg))) { | |
487 | callchain_param.mode = CHAIN_NONE; | |
488 | symbol_conf.use_callchain = false; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | else | |
494 | return -1; | |
495 | ||
496 | /* get the min percentage */ | |
497 | tok = strtok(NULL, ","); | |
498 | if (!tok) | |
499 | goto setup; | |
500 | ||
501 | callchain_param.min_percent = strtod(tok, &endptr); | |
502 | if (tok == endptr) | |
503 | return -1; | |
504 | ||
505 | /* get the print limit */ | |
506 | tok2 = strtok(NULL, ","); | |
507 | if (!tok2) | |
508 | goto setup; | |
509 | ||
510 | if (tok2[0] != 'c') { | |
511 | callchain_param.print_limit = strtoul(tok2, &endptr, 0); | |
512 | tok2 = strtok(NULL, ","); | |
513 | if (!tok2) | |
514 | goto setup; | |
515 | } | |
516 | ||
517 | /* get the call chain order */ | |
518 | if (!strcmp(tok2, "caller")) | |
519 | callchain_param.order = ORDER_CALLER; | |
520 | else if (!strcmp(tok2, "callee")) | |
521 | callchain_param.order = ORDER_CALLEE; | |
522 | else | |
523 | return -1; | |
524 | setup: | |
525 | if (callchain_register_param(&callchain_param) < 0) { | |
526 | fprintf(stderr, "Can't register callchain params\n"); | |
527 | return -1; | |
528 | } | |
529 | return 0; | |
530 | } | |
531 | ||
532 | static int | |
533 | parse_branch_mode(const struct option *opt __used, const char *str __used, int unset) | |
534 | { | |
535 | sort__branch_mode = !unset; | |
536 | return 0; | |
537 | } | |
538 | ||
539 | int cmd_report(int argc, const char **argv, const char *prefix __used) | |
540 | { | |
541 | struct perf_session *session; | |
542 | struct stat st; | |
543 | bool has_br_stack = false; | |
544 | int ret = -1; | |
545 | char callchain_default_opt[] = "fractal,0.5,callee"; | |
546 | const char * const report_usage[] = { | |
547 | "perf report [<options>]", | |
548 | NULL | |
549 | }; | |
550 | struct perf_report report = { | |
551 | .tool = { | |
552 | .sample = process_sample_event, | |
553 | .mmap = perf_event__process_mmap, | |
554 | .comm = perf_event__process_comm, | |
555 | .exit = perf_event__process_task, | |
556 | .fork = perf_event__process_task, | |
557 | .lost = perf_event__process_lost, | |
558 | .read = process_read_event, | |
559 | .attr = perf_event__process_attr, | |
560 | .event_type = perf_event__process_event_type, | |
561 | .tracing_data = perf_event__process_tracing_data, | |
562 | .build_id = perf_event__process_build_id, | |
563 | .ordered_samples = true, | |
564 | .ordering_requires_timestamps = true, | |
565 | }, | |
566 | .pretty_printing_style = "normal", | |
567 | }; | |
568 | const struct option options[] = { | |
569 | OPT_STRING('i', "input", &report.input_name, "file", | |
570 | "input file name"), | |
571 | OPT_INCR('v', "verbose", &verbose, | |
572 | "be more verbose (show symbol address, etc)"), | |
573 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | |
574 | "dump raw trace in ASCII"), | |
575 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, | |
576 | "file", "vmlinux pathname"), | |
577 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, | |
578 | "file", "kallsyms pathname"), | |
579 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), | |
580 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, | |
581 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
582 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, | |
583 | "Show a column with the number of samples"), | |
584 | OPT_BOOLEAN('T', "threads", &report.show_threads, | |
585 | "Show per-thread event counters"), | |
586 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", | |
587 | "pretty printing style key: normal raw"), | |
588 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), | |
589 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), | |
590 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, | |
591 | "Use the stdio interface"), | |
592 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", | |
593 | "sort by key(s): pid, comm, dso, symbol, parent, dso_to," | |
594 | " dso_from, symbol_to, symbol_from, mispredict"), | |
595 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, | |
596 | "Show sample percentage for different cpu modes"), | |
597 | OPT_STRING('p', "parent", &parent_pattern, "regex", | |
598 | "regex filter to identify parent, see: '--sort parent'"), | |
599 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, | |
600 | "Only display entries with parent-match"), | |
601 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", | |
602 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. " | |
603 | "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), | |
604 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, | |
605 | "alias for inverted call graph"), | |
606 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", | |
607 | "only consider symbols in these dsos"), | |
608 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", | |
609 | "only consider symbols in these comms"), | |
610 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", | |
611 | "only consider these symbols"), | |
612 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", | |
613 | "only show symbols that (partially) match with this filter"), | |
614 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, | |
615 | "width[,width...]", | |
616 | "don't try to adjust column width, use these fixed values"), | |
617 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", | |
618 | "separator for columns, no spaces will be added between " | |
619 | "columns '.' is reserved."), | |
620 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, | |
621 | "Only display entries resolved to a symbol"), | |
622 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", | |
623 | "Look for files with symbols relative to this directory"), | |
624 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", | |
625 | "list of cpus to profile"), | |
626 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
627 | "Display extended information about perf.data file"), | |
628 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, | |
629 | "Interleave source code with assembly code (default)"), | |
630 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
631 | "Display raw encoding of assembly instructions (default)"), | |
632 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", | |
633 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
634 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, | |
635 | "Show a column with the sum of periods"), | |
636 | OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", | |
637 | "use branch records for histogram filling", parse_branch_mode), | |
638 | OPT_END() | |
639 | }; | |
640 | ||
641 | argc = parse_options(argc, argv, options, report_usage, 0); | |
642 | ||
643 | if (report.use_stdio) | |
644 | use_browser = 0; | |
645 | else if (report.use_tui) | |
646 | use_browser = 1; | |
647 | else if (report.use_gtk) | |
648 | use_browser = 2; | |
649 | ||
650 | if (report.inverted_callchain) | |
651 | callchain_param.order = ORDER_CALLER; | |
652 | ||
653 | if (!report.input_name || !strlen(report.input_name)) { | |
654 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
655 | report.input_name = "-"; | |
656 | else | |
657 | report.input_name = "perf.data"; | |
658 | } | |
659 | session = perf_session__new(report.input_name, O_RDONLY, | |
660 | report.force, false, &report.tool); | |
661 | if (session == NULL) | |
662 | return -ENOMEM; | |
663 | ||
664 | report.session = session; | |
665 | ||
666 | has_br_stack = perf_header__has_feat(&session->header, | |
667 | HEADER_BRANCH_STACK); | |
668 | ||
669 | if (sort__branch_mode == -1 && has_br_stack) | |
670 | sort__branch_mode = 1; | |
671 | ||
672 | /* sort__branch_mode could be 0 if --no-branch-stack */ | |
673 | if (sort__branch_mode == 1) { | |
674 | /* | |
675 | * if no sort_order is provided, then specify | |
676 | * branch-mode specific order | |
677 | */ | |
678 | if (sort_order == default_sort_order) | |
679 | sort_order = "comm,dso_from,symbol_from," | |
680 | "dso_to,symbol_to"; | |
681 | ||
682 | } | |
683 | ||
684 | if (strcmp(report.input_name, "-") != 0) | |
685 | setup_browser(true); | |
686 | else | |
687 | use_browser = 0; | |
688 | ||
689 | /* | |
690 | * Only in the newt browser we are doing integrated annotation, | |
691 | * so don't allocate extra space that won't be used in the stdio | |
692 | * implementation. | |
693 | */ | |
694 | if (use_browser > 0) { | |
695 | symbol_conf.priv_size = sizeof(struct annotation); | |
696 | report.annotate_init = symbol__annotate_init; | |
697 | /* | |
698 | * For searching by name on the "Browse map details". | |
699 | * providing it only in verbose mode not to bloat too | |
700 | * much struct symbol. | |
701 | */ | |
702 | if (verbose) { | |
703 | /* | |
704 | * XXX: Need to provide a less kludgy way to ask for | |
705 | * more space per symbol, the u32 is for the index on | |
706 | * the ui browser. | |
707 | * See symbol__browser_index. | |
708 | */ | |
709 | symbol_conf.priv_size += sizeof(u32); | |
710 | symbol_conf.sort_by_name = true; | |
711 | } | |
712 | } | |
713 | ||
714 | if (symbol__init() < 0) | |
715 | goto error; | |
716 | ||
717 | setup_sorting(report_usage, options); | |
718 | ||
719 | if (parent_pattern != default_parent_pattern) { | |
720 | if (sort_dimension__add("parent") < 0) | |
721 | goto error; | |
722 | ||
723 | /* | |
724 | * Only show the parent fields if we explicitly | |
725 | * sort that way. If we only use parent machinery | |
726 | * for filtering, we don't want it. | |
727 | */ | |
728 | if (!strstr(sort_order, "parent")) | |
729 | sort_parent.elide = 1; | |
730 | } else | |
731 | symbol_conf.exclude_other = false; | |
732 | ||
733 | if (argc) { | |
734 | /* | |
735 | * Special case: if there's an argument left then assume that | |
736 | * it's a symbol filter: | |
737 | */ | |
738 | if (argc > 1) | |
739 | usage_with_options(report_usage, options); | |
740 | ||
741 | report.symbol_filter_str = argv[0]; | |
742 | } | |
743 | ||
744 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); | |
745 | ||
746 | if (sort__branch_mode == 1) { | |
747 | sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); | |
748 | sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); | |
749 | sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); | |
750 | sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); | |
751 | } else { | |
752 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); | |
753 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); | |
754 | } | |
755 | ||
756 | ret = __cmd_report(&report); | |
757 | error: | |
758 | perf_session__delete(session); | |
759 | return ret; | |
760 | } |