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 #include "util/cache.h" 12 13 #include "util/annotate.h" 14 #include "util/color.h" 15 #include <linux/list.h> 16 #include "util/cache.h" 17 #include <linux/rbtree.h> 18 #include "util/symbol.h" 19 #include "util/callchain.h" 20 #include "util/strlist.h" 21 #include "util/values.h" 22 23 #include "perf.h" 24 #include "util/debug.h" 25 #include "util/evlist.h" 26 #include "util/evsel.h" 27 #include "util/header.h" 28 #include "util/session.h" 29 #include "util/tool.h" 30 31 #include "util/parse-options.h" 32 #include "util/parse-events.h" 33 34 #include "util/thread.h" 35 #include "util/sort.h" 36 #include "util/hist.h" 37 #include "arch/common.h" 38 39 #include <linux/bitmap.h> 40 41 struct perf_report { 42 struct perf_tool tool; 43 struct perf_session *session; 44 bool force, use_tui, use_gtk, use_stdio; 45 bool hide_unresolved; 46 bool dont_use_callchains; 47 bool show_full_info; 48 bool show_threads; 49 bool inverted_callchain; 50 struct perf_read_values show_threads_values; 51 const char *pretty_printing_style; 52 symbol_filter_t annotate_init; 53 const char *cpu_list; 54 const char *symbol_filter_str; 55 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 56 }; 57 58 static int perf_report_config(const char *var, const char *value, void *cb) 59 { 60 if (!strcmp(var, "report.group")) { 61 symbol_conf.event_group = perf_config_bool(var, value); 62 return 0; 63 } 64 65 return perf_default_config(var, value, cb); 66 } 67 68 static int perf_report__add_branch_hist_entry(struct perf_tool *tool, 69 struct addr_location *al, 70 struct perf_sample *sample, 71 struct perf_evsel *evsel, 72 struct machine *machine) 73 { 74 struct perf_report *rep = container_of(tool, struct perf_report, tool); 75 struct symbol *parent = NULL; 76 int err = 0; 77 unsigned i; 78 struct hist_entry *he; 79 struct branch_info *bi, *bx; 80 81 if ((sort__has_parent || symbol_conf.use_callchain) 82 && sample->callchain) { 83 err = machine__resolve_callchain(machine, evsel, al->thread, 84 sample, &parent); 85 if (err) 86 return err; 87 } 88 89 bi = machine__resolve_bstack(machine, al->thread, 90 sample->branch_stack); 91 if (!bi) 92 return -ENOMEM; 93 94 for (i = 0; i < sample->branch_stack->nr; i++) { 95 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) 96 continue; 97 /* 98 * The report shows the percentage of total branches captured 99 * and not events sampled. Thus we use a pseudo period of 1. 100 */ 101 he = __hists__add_branch_entry(&evsel->hists, al, parent, 102 &bi[i], 1); 103 if (he) { 104 struct annotation *notes; 105 err = -ENOMEM; 106 bx = he->branch_info; 107 if (bx->from.sym && use_browser == 1 && sort__has_sym) { 108 notes = symbol__annotation(bx->from.sym); 109 if (!notes->src 110 && symbol__alloc_hist(bx->from.sym) < 0) 111 goto out; 112 113 err = symbol__inc_addr_samples(bx->from.sym, 114 bx->from.map, 115 evsel->idx, 116 bx->from.al_addr); 117 if (err) 118 goto out; 119 } 120 121 if (bx->to.sym && use_browser == 1 && sort__has_sym) { 122 notes = symbol__annotation(bx->to.sym); 123 if (!notes->src 124 && symbol__alloc_hist(bx->to.sym) < 0) 125 goto out; 126 127 err = symbol__inc_addr_samples(bx->to.sym, 128 bx->to.map, 129 evsel->idx, 130 bx->to.al_addr); 131 if (err) 132 goto out; 133 } 134 evsel->hists.stats.total_period += 1; 135 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 136 err = 0; 137 } else 138 return -ENOMEM; 139 } 140 out: 141 return err; 142 } 143 144 static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, 145 struct addr_location *al, 146 struct perf_sample *sample, 147 struct machine *machine) 148 { 149 struct symbol *parent = NULL; 150 int err = 0; 151 struct hist_entry *he; 152 153 if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { 154 err = machine__resolve_callchain(machine, evsel, al->thread, 155 sample, &parent); 156 if (err) 157 return err; 158 } 159 160 he = __hists__add_entry(&evsel->hists, al, parent, sample->period); 161 if (he == NULL) 162 return -ENOMEM; 163 164 if (symbol_conf.use_callchain) { 165 err = callchain_append(he->callchain, 166 &callchain_cursor, 167 sample->period); 168 if (err) 169 return err; 170 } 171 /* 172 * Only in the newt browser we are doing integrated annotation, 173 * so we don't allocated the extra space needed because the stdio 174 * code will not use it. 175 */ 176 if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) { 177 struct annotation *notes = symbol__annotation(he->ms.sym); 178 179 assert(evsel != NULL); 180 181 err = -ENOMEM; 182 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) 183 goto out; 184 185 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); 186 } 187 188 evsel->hists.stats.total_period += sample->period; 189 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 190 out: 191 return err; 192 } 193 194 195 static int process_sample_event(struct perf_tool *tool, 196 union perf_event *event, 197 struct perf_sample *sample, 198 struct perf_evsel *evsel, 199 struct machine *machine) 200 { 201 struct perf_report *rep = container_of(tool, struct perf_report, tool); 202 struct addr_location al; 203 204 if (perf_event__preprocess_sample(event, machine, &al, sample, 205 rep->annotate_init) < 0) { 206 fprintf(stderr, "problem processing %d event, skipping it.\n", 207 event->header.type); 208 return -1; 209 } 210 211 if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) 212 return 0; 213 214 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 215 return 0; 216 217 if (sort__branch_mode == 1) { 218 if (perf_report__add_branch_hist_entry(tool, &al, sample, 219 evsel, machine)) { 220 pr_debug("problem adding lbr entry, skipping event\n"); 221 return -1; 222 } 223 } else { 224 if (al.map != NULL) 225 al.map->dso->hit = 1; 226 227 if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { 228 pr_debug("problem incrementing symbol period, skipping event\n"); 229 return -1; 230 } 231 } 232 return 0; 233 } 234 235 static int process_read_event(struct perf_tool *tool, 236 union perf_event *event, 237 struct perf_sample *sample __maybe_unused, 238 struct perf_evsel *evsel, 239 struct machine *machine __maybe_unused) 240 { 241 struct perf_report *rep = container_of(tool, struct perf_report, tool); 242 243 if (rep->show_threads) { 244 const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; 245 perf_read_values_add_value(&rep->show_threads_values, 246 event->read.pid, event->read.tid, 247 event->read.id, 248 name, 249 event->read.value); 250 } 251 252 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, 253 evsel ? perf_evsel__name(evsel) : "FAIL", 254 event->read.value); 255 256 return 0; 257 } 258 259 /* For pipe mode, sample_type is not currently set */ 260 static int perf_report__setup_sample_type(struct perf_report *rep) 261 { 262 struct perf_session *self = rep->session; 263 u64 sample_type = perf_evlist__sample_type(self->evlist); 264 265 if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 266 if (sort__has_parent) { 267 ui__error("Selected --sort parent, but no " 268 "callchain data. Did you call " 269 "'perf record' without -g?\n"); 270 return -EINVAL; 271 } 272 if (symbol_conf.use_callchain) { 273 ui__error("Selected -g but no callchain data. Did " 274 "you call 'perf record' without -g?\n"); 275 return -1; 276 } 277 } else if (!rep->dont_use_callchains && 278 callchain_param.mode != CHAIN_NONE && 279 !symbol_conf.use_callchain) { 280 symbol_conf.use_callchain = true; 281 if (callchain_register_param(&callchain_param) < 0) { 282 ui__error("Can't register callchain params.\n"); 283 return -EINVAL; 284 } 285 } 286 287 if (sort__branch_mode == 1) { 288 if (!self->fd_pipe && 289 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 290 ui__error("Selected -b but no branch data. " 291 "Did you call perf record without -b?\n"); 292 return -1; 293 } 294 } 295 296 return 0; 297 } 298 299 extern volatile int session_done; 300 301 static void sig_handler(int sig __maybe_unused) 302 { 303 session_done = 1; 304 } 305 306 static size_t hists__fprintf_nr_sample_events(struct hists *self, 307 const char *evname, FILE *fp) 308 { 309 size_t ret; 310 char unit; 311 unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; 312 u64 nr_events = self->stats.total_period; 313 struct perf_evsel *evsel = hists_to_evsel(self); 314 char buf[512]; 315 size_t size = sizeof(buf); 316 317 if (symbol_conf.event_group && evsel->nr_members > 1) { 318 struct perf_evsel *pos; 319 320 perf_evsel__group_desc(evsel, buf, size); 321 evname = buf; 322 323 for_each_group_member(pos, evsel) { 324 nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; 325 nr_events += pos->hists.stats.total_period; 326 } 327 } 328 329 nr_samples = convert_unit(nr_samples, &unit); 330 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 331 if (evname != NULL) 332 ret += fprintf(fp, " of event '%s'", evname); 333 334 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 335 return ret + fprintf(fp, "\n#\n"); 336 } 337 338 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, 339 struct perf_report *rep, 340 const char *help) 341 { 342 struct perf_evsel *pos; 343 344 list_for_each_entry(pos, &evlist->entries, node) { 345 struct hists *hists = &pos->hists; 346 const char *evname = perf_evsel__name(pos); 347 348 if (symbol_conf.event_group && 349 !perf_evsel__is_group_leader(pos)) 350 continue; 351 352 hists__fprintf_nr_sample_events(hists, evname, stdout); 353 hists__fprintf(hists, true, 0, 0, stdout); 354 fprintf(stdout, "\n\n"); 355 } 356 357 if (sort_order == default_sort_order && 358 parent_pattern == default_parent_pattern) { 359 fprintf(stdout, "#\n# (%s)\n#\n", help); 360 361 if (rep->show_threads) { 362 bool style = !strcmp(rep->pretty_printing_style, "raw"); 363 perf_read_values_display(stdout, &rep->show_threads_values, 364 style); 365 perf_read_values_destroy(&rep->show_threads_values); 366 } 367 } 368 369 return 0; 370 } 371 372 static int __cmd_report(struct perf_report *rep) 373 { 374 int ret = -EINVAL; 375 u64 nr_samples; 376 struct perf_session *session = rep->session; 377 struct perf_evsel *pos; 378 struct map *kernel_map; 379 struct kmap *kernel_kmap; 380 const char *help = "For a higher level overview, try: perf report --sort comm,dso"; 381 382 signal(SIGINT, sig_handler); 383 384 if (rep->cpu_list) { 385 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 386 rep->cpu_bitmap); 387 if (ret) 388 goto out_delete; 389 } 390 391 if (use_browser <= 0) 392 perf_session__fprintf_info(session, stdout, rep->show_full_info); 393 394 if (rep->show_threads) 395 perf_read_values_init(&rep->show_threads_values); 396 397 ret = perf_report__setup_sample_type(rep); 398 if (ret) 399 goto out_delete; 400 401 ret = perf_session__process_events(session, &rep->tool); 402 if (ret) 403 goto out_delete; 404 405 kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; 406 kernel_kmap = map__kmap(kernel_map); 407 if (kernel_map == NULL || 408 (kernel_map->dso->hit && 409 (kernel_kmap->ref_reloc_sym == NULL || 410 kernel_kmap->ref_reloc_sym->addr == 0))) { 411 const char *desc = 412 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 413 "can't be resolved."; 414 415 if (kernel_map) { 416 const struct dso *kdso = kernel_map->dso; 417 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { 418 desc = "If some relocation was applied (e.g. " 419 "kexec) symbols may be misresolved."; 420 } 421 } 422 423 ui__warning( 424 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 425 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 426 "Samples in kernel modules can't be resolved as well.\n\n", 427 desc); 428 } 429 430 if (verbose > 3) 431 perf_session__fprintf(session, stdout); 432 433 if (verbose > 2) 434 perf_session__fprintf_dsos(session, stdout); 435 436 if (dump_trace) { 437 perf_session__fprintf_nr_events(session, stdout); 438 goto out_delete; 439 } 440 441 nr_samples = 0; 442 list_for_each_entry(pos, &session->evlist->entries, node) { 443 struct hists *hists = &pos->hists; 444 445 if (pos->idx == 0) 446 hists->symbol_filter_str = rep->symbol_filter_str; 447 448 hists__collapse_resort(hists); 449 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; 450 451 /* Non-group events are considered as leader */ 452 if (symbol_conf.event_group && 453 !perf_evsel__is_group_leader(pos)) { 454 struct hists *leader_hists = &pos->leader->hists; 455 456 hists__match(leader_hists, hists); 457 hists__link(leader_hists, hists); 458 } 459 } 460 461 if (nr_samples == 0) { 462 ui__error("The %s file has no samples!\n", session->filename); 463 goto out_delete; 464 } 465 466 list_for_each_entry(pos, &session->evlist->entries, node) 467 hists__output_resort(&pos->hists); 468 469 if (use_browser > 0) { 470 if (use_browser == 1) { 471 ret = perf_evlist__tui_browse_hists(session->evlist, 472 help, 473 NULL, 474 &session->header.env); 475 /* 476 * Usually "ret" is the last pressed key, and we only 477 * care if the key notifies us to switch data file. 478 */ 479 if (ret != K_SWITCH_INPUT_DATA) 480 ret = 0; 481 482 } else if (use_browser == 2) { 483 perf_evlist__gtk_browse_hists(session->evlist, help, 484 NULL); 485 } 486 } else 487 perf_evlist__tty_browse_hists(session->evlist, rep, help); 488 489 out_delete: 490 /* 491 * Speed up the exit process, for large files this can 492 * take quite a while. 493 * 494 * XXX Enable this when using valgrind or if we ever 495 * librarize this command. 496 * 497 * Also experiment with obstacks to see how much speed 498 * up we'll get here. 499 * 500 * perf_session__delete(session); 501 */ 502 return ret; 503 } 504 505 static int 506 parse_callchain_opt(const struct option *opt, const char *arg, int unset) 507 { 508 struct perf_report *rep = (struct perf_report *)opt->value; 509 char *tok, *tok2; 510 char *endptr; 511 512 /* 513 * --no-call-graph 514 */ 515 if (unset) { 516 rep->dont_use_callchains = true; 517 return 0; 518 } 519 520 symbol_conf.use_callchain = true; 521 522 if (!arg) 523 return 0; 524 525 tok = strtok((char *)arg, ","); 526 if (!tok) 527 return -1; 528 529 /* get the output mode */ 530 if (!strncmp(tok, "graph", strlen(arg))) 531 callchain_param.mode = CHAIN_GRAPH_ABS; 532 533 else if (!strncmp(tok, "flat", strlen(arg))) 534 callchain_param.mode = CHAIN_FLAT; 535 536 else if (!strncmp(tok, "fractal", strlen(arg))) 537 callchain_param.mode = CHAIN_GRAPH_REL; 538 539 else if (!strncmp(tok, "none", strlen(arg))) { 540 callchain_param.mode = CHAIN_NONE; 541 symbol_conf.use_callchain = false; 542 543 return 0; 544 } 545 546 else 547 return -1; 548 549 /* get the min percentage */ 550 tok = strtok(NULL, ","); 551 if (!tok) 552 goto setup; 553 554 callchain_param.min_percent = strtod(tok, &endptr); 555 if (tok == endptr) 556 return -1; 557 558 /* get the print limit */ 559 tok2 = strtok(NULL, ","); 560 if (!tok2) 561 goto setup; 562 563 if (tok2[0] != 'c') { 564 callchain_param.print_limit = strtoul(tok2, &endptr, 0); 565 tok2 = strtok(NULL, ","); 566 if (!tok2) 567 goto setup; 568 } 569 570 /* get the call chain order */ 571 if (!strcmp(tok2, "caller")) 572 callchain_param.order = ORDER_CALLER; 573 else if (!strcmp(tok2, "callee")) 574 callchain_param.order = ORDER_CALLEE; 575 else 576 return -1; 577 setup: 578 if (callchain_register_param(&callchain_param) < 0) { 579 fprintf(stderr, "Can't register callchain params\n"); 580 return -1; 581 } 582 return 0; 583 } 584 585 static int 586 parse_branch_mode(const struct option *opt __maybe_unused, 587 const char *str __maybe_unused, int unset) 588 { 589 sort__branch_mode = !unset; 590 return 0; 591 } 592 593 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) 594 { 595 struct perf_session *session; 596 struct stat st; 597 bool has_br_stack = false; 598 int ret = -1; 599 char callchain_default_opt[] = "fractal,0.5,callee"; 600 const char * const report_usage[] = { 601 "perf report [<options>]", 602 NULL 603 }; 604 struct perf_report report = { 605 .tool = { 606 .sample = process_sample_event, 607 .mmap = perf_event__process_mmap, 608 .comm = perf_event__process_comm, 609 .exit = perf_event__process_exit, 610 .fork = perf_event__process_fork, 611 .lost = perf_event__process_lost, 612 .read = process_read_event, 613 .attr = perf_event__process_attr, 614 .event_type = perf_event__process_event_type, 615 .tracing_data = perf_event__process_tracing_data, 616 .build_id = perf_event__process_build_id, 617 .ordered_samples = true, 618 .ordering_requires_timestamps = true, 619 }, 620 .pretty_printing_style = "normal", 621 }; 622 const struct option options[] = { 623 OPT_STRING('i', "input", &input_name, "file", 624 "input file name"), 625 OPT_INCR('v', "verbose", &verbose, 626 "be more verbose (show symbol address, etc)"), 627 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 628 "dump raw trace in ASCII"), 629 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 630 "file", "vmlinux pathname"), 631 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 632 "file", "kallsyms pathname"), 633 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), 634 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 635 "load module symbols - WARNING: use only with -k and LIVE kernel"), 636 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 637 "Show a column with the number of samples"), 638 OPT_BOOLEAN('T', "threads", &report.show_threads, 639 "Show per-thread event counters"), 640 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 641 "pretty printing style key: normal raw"), 642 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 643 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 644 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 645 "Use the stdio interface"), 646 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 647 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline," 648 " dso_to, dso_from, symbol_to, symbol_from, mispredict"), 649 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 650 "Show sample percentage for different cpu modes"), 651 OPT_STRING('p', "parent", &parent_pattern, "regex", 652 "regex filter to identify parent, see: '--sort parent'"), 653 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 654 "Only display entries with parent-match"), 655 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", 656 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. " 657 "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), 658 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 659 "alias for inverted call graph"), 660 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 661 "only consider symbols in these dsos"), 662 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 663 "only consider symbols in these comms"), 664 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 665 "only consider these symbols"), 666 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 667 "only show symbols that (partially) match with this filter"), 668 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 669 "width[,width...]", 670 "don't try to adjust column width, use these fixed values"), 671 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", 672 "separator for columns, no spaces will be added between " 673 "columns '.' is reserved."), 674 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, 675 "Only display entries resolved to a symbol"), 676 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 677 "Look for files with symbols relative to this directory"), 678 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 679 "list of cpus to profile"), 680 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 681 "Display extended information about perf.data file"), 682 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 683 "Interleave source code with assembly code (default)"), 684 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 685 "Display raw encoding of assembly instructions (default)"), 686 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 687 "Specify disassembler style (e.g. -M intel for intel syntax)"), 688 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 689 "Show a column with the sum of periods"), 690 OPT_BOOLEAN(0, "group", &symbol_conf.event_group, 691 "Show event group information together"), 692 OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", 693 "use branch records for histogram filling", parse_branch_mode), 694 OPT_STRING(0, "objdump", &objdump_path, "path", 695 "objdump binary to use for disassembly and annotations"), 696 OPT_END() 697 }; 698 699 perf_config(perf_report_config, NULL); 700 701 argc = parse_options(argc, argv, options, report_usage, 0); 702 703 if (report.use_stdio) 704 use_browser = 0; 705 else if (report.use_tui) 706 use_browser = 1; 707 else if (report.use_gtk) 708 use_browser = 2; 709 710 if (report.inverted_callchain) 711 callchain_param.order = ORDER_CALLER; 712 713 if (!input_name || !strlen(input_name)) { 714 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 715 input_name = "-"; 716 else 717 input_name = "perf.data"; 718 } 719 720 if (strcmp(input_name, "-") != 0) 721 setup_browser(true); 722 else { 723 use_browser = 0; 724 perf_hpp__column_enable(PERF_HPP__OVERHEAD); 725 perf_hpp__init(); 726 } 727 728 repeat: 729 session = perf_session__new(input_name, O_RDONLY, 730 report.force, false, &report.tool); 731 if (session == NULL) 732 return -ENOMEM; 733 734 report.session = session; 735 736 has_br_stack = perf_header__has_feat(&session->header, 737 HEADER_BRANCH_STACK); 738 739 if (sort__branch_mode == -1 && has_br_stack) 740 sort__branch_mode = 1; 741 742 /* sort__branch_mode could be 0 if --no-branch-stack */ 743 if (sort__branch_mode == 1) { 744 /* 745 * if no sort_order is provided, then specify 746 * branch-mode specific order 747 */ 748 if (sort_order == default_sort_order) 749 sort_order = "comm,dso_from,symbol_from," 750 "dso_to,symbol_to"; 751 752 } 753 754 if (setup_sorting() < 0) 755 usage_with_options(report_usage, options); 756 757 /* 758 * Only in the newt browser we are doing integrated annotation, 759 * so don't allocate extra space that won't be used in the stdio 760 * implementation. 761 */ 762 if (use_browser == 1 && sort__has_sym) { 763 symbol_conf.priv_size = sizeof(struct annotation); 764 report.annotate_init = symbol__annotate_init; 765 /* 766 * For searching by name on the "Browse map details". 767 * providing it only in verbose mode not to bloat too 768 * much struct symbol. 769 */ 770 if (verbose) { 771 /* 772 * XXX: Need to provide a less kludgy way to ask for 773 * more space per symbol, the u32 is for the index on 774 * the ui browser. 775 * See symbol__browser_index. 776 */ 777 symbol_conf.priv_size += sizeof(u32); 778 symbol_conf.sort_by_name = true; 779 } 780 } 781 782 if (symbol__init() < 0) 783 goto error; 784 785 if (parent_pattern != default_parent_pattern) { 786 if (sort_dimension__add("parent") < 0) 787 goto error; 788 789 /* 790 * Only show the parent fields if we explicitly 791 * sort that way. If we only use parent machinery 792 * for filtering, we don't want it. 793 */ 794 if (!strstr(sort_order, "parent")) 795 sort_parent.elide = 1; 796 } else 797 symbol_conf.exclude_other = false; 798 799 if (argc) { 800 /* 801 * Special case: if there's an argument left then assume that 802 * it's a symbol filter: 803 */ 804 if (argc > 1) 805 usage_with_options(report_usage, options); 806 807 report.symbol_filter_str = argv[0]; 808 } 809 810 sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); 811 812 if (sort__branch_mode == 1) { 813 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); 814 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); 815 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); 816 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); 817 } else { 818 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); 819 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); 820 } 821 822 ret = __cmd_report(&report); 823 if (ret == K_SWITCH_INPUT_DATA) { 824 perf_session__delete(session); 825 goto repeat; 826 } else 827 ret = 0; 828 829 error: 830 perf_session__delete(session); 831 return ret; 832 } 833