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 #include "arch/common.h" 37 38 #include <linux/bitmap.h> 39 40 struct perf_report { 41 struct perf_tool tool; 42 struct perf_session *session; 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, &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 == 1 && sort__has_sym) { 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 == 1 && sort__has_sym) { 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, &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 == 1 && sort__has_sym) { 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 __maybe_unused, 227 struct perf_evsel *evsel, 228 struct machine *machine __maybe_unused) 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 /* For pipe mode, sample_type is not currently set */ 249 static int perf_report__setup_sample_type(struct perf_report *rep) 250 { 251 struct perf_session *self = rep->session; 252 u64 sample_type = perf_evlist__sample_type(self->evlist); 253 254 if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 255 if (sort__has_parent) { 256 ui__error("Selected --sort parent, but no " 257 "callchain data. Did you call " 258 "'perf record' without -g?\n"); 259 return -EINVAL; 260 } 261 if (symbol_conf.use_callchain) { 262 ui__error("Selected -g but no callchain data. Did " 263 "you call 'perf record' without -g?\n"); 264 return -1; 265 } 266 } else if (!rep->dont_use_callchains && 267 callchain_param.mode != CHAIN_NONE && 268 !symbol_conf.use_callchain) { 269 symbol_conf.use_callchain = true; 270 if (callchain_register_param(&callchain_param) < 0) { 271 ui__error("Can't register callchain params.\n"); 272 return -EINVAL; 273 } 274 } 275 276 if (sort__branch_mode == 1) { 277 if (!self->fd_pipe && 278 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 279 ui__error("Selected -b but no branch data. " 280 "Did you call perf record without -b?\n"); 281 return -1; 282 } 283 } 284 285 return 0; 286 } 287 288 extern volatile int session_done; 289 290 static void sig_handler(int sig __maybe_unused) 291 { 292 session_done = 1; 293 } 294 295 static size_t hists__fprintf_nr_sample_events(struct hists *self, 296 const char *evname, FILE *fp) 297 { 298 size_t ret; 299 char unit; 300 unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; 301 u64 nr_events = self->stats.total_period; 302 303 nr_samples = convert_unit(nr_samples, &unit); 304 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 305 if (evname != NULL) 306 ret += fprintf(fp, " of event '%s'", evname); 307 308 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 309 return ret + fprintf(fp, "\n#\n"); 310 } 311 312 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, 313 struct perf_report *rep, 314 const char *help) 315 { 316 struct perf_evsel *pos; 317 318 list_for_each_entry(pos, &evlist->entries, node) { 319 struct hists *hists = &pos->hists; 320 const char *evname = perf_evsel__name(pos); 321 322 hists__fprintf_nr_sample_events(hists, evname, stdout); 323 hists__fprintf(hists, true, 0, 0, stdout); 324 fprintf(stdout, "\n\n"); 325 } 326 327 if (sort_order == default_sort_order && 328 parent_pattern == default_parent_pattern) { 329 fprintf(stdout, "#\n# (%s)\n#\n", help); 330 331 if (rep->show_threads) { 332 bool style = !strcmp(rep->pretty_printing_style, "raw"); 333 perf_read_values_display(stdout, &rep->show_threads_values, 334 style); 335 perf_read_values_destroy(&rep->show_threads_values); 336 } 337 } 338 339 return 0; 340 } 341 342 static int __cmd_report(struct perf_report *rep) 343 { 344 int ret = -EINVAL; 345 u64 nr_samples; 346 struct perf_session *session = rep->session; 347 struct perf_evsel *pos; 348 struct map *kernel_map; 349 struct kmap *kernel_kmap; 350 const char *help = "For a higher level overview, try: perf report --sort comm,dso"; 351 352 signal(SIGINT, sig_handler); 353 354 if (rep->cpu_list) { 355 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 356 rep->cpu_bitmap); 357 if (ret) 358 goto out_delete; 359 } 360 361 if (use_browser <= 0) 362 perf_session__fprintf_info(session, stdout, rep->show_full_info); 363 364 if (rep->show_threads) 365 perf_read_values_init(&rep->show_threads_values); 366 367 ret = perf_report__setup_sample_type(rep); 368 if (ret) 369 goto out_delete; 370 371 ret = perf_session__process_events(session, &rep->tool); 372 if (ret) 373 goto out_delete; 374 375 kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION]; 376 kernel_kmap = map__kmap(kernel_map); 377 if (kernel_map == NULL || 378 (kernel_map->dso->hit && 379 (kernel_kmap->ref_reloc_sym == NULL || 380 kernel_kmap->ref_reloc_sym->addr == 0))) { 381 const char *desc = 382 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 383 "can't be resolved."; 384 385 if (kernel_map) { 386 const struct dso *kdso = kernel_map->dso; 387 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { 388 desc = "If some relocation was applied (e.g. " 389 "kexec) symbols may be misresolved."; 390 } 391 } 392 393 ui__warning( 394 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 395 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 396 "Samples in kernel modules can't be resolved as well.\n\n", 397 desc); 398 } 399 400 if (verbose > 3) 401 perf_session__fprintf(session, stdout); 402 403 if (verbose > 2) 404 perf_session__fprintf_dsos(session, stdout); 405 406 if (dump_trace) { 407 perf_session__fprintf_nr_events(session, stdout); 408 goto out_delete; 409 } 410 411 nr_samples = 0; 412 list_for_each_entry(pos, &session->evlist->entries, node) { 413 struct hists *hists = &pos->hists; 414 415 if (pos->idx == 0) 416 hists->symbol_filter_str = rep->symbol_filter_str; 417 418 hists__collapse_resort(hists); 419 hists__output_resort(hists); 420 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; 421 } 422 423 if (nr_samples == 0) { 424 ui__error("The %s file has no samples!\n", session->filename); 425 goto out_delete; 426 } 427 428 if (use_browser > 0) { 429 if (use_browser == 1) { 430 perf_evlist__tui_browse_hists(session->evlist, help, 431 NULL, 432 &session->header.env); 433 } else if (use_browser == 2) { 434 perf_evlist__gtk_browse_hists(session->evlist, help, 435 NULL); 436 } 437 } else 438 perf_evlist__tty_browse_hists(session->evlist, rep, help); 439 440 out_delete: 441 /* 442 * Speed up the exit process, for large files this can 443 * take quite a while. 444 * 445 * XXX Enable this when using valgrind or if we ever 446 * librarize this command. 447 * 448 * Also experiment with obstacks to see how much speed 449 * up we'll get here. 450 * 451 * perf_session__delete(session); 452 */ 453 return ret; 454 } 455 456 static int 457 parse_callchain_opt(const struct option *opt, const char *arg, int unset) 458 { 459 struct perf_report *rep = (struct perf_report *)opt->value; 460 char *tok, *tok2; 461 char *endptr; 462 463 /* 464 * --no-call-graph 465 */ 466 if (unset) { 467 rep->dont_use_callchains = true; 468 return 0; 469 } 470 471 symbol_conf.use_callchain = true; 472 473 if (!arg) 474 return 0; 475 476 tok = strtok((char *)arg, ","); 477 if (!tok) 478 return -1; 479 480 /* get the output mode */ 481 if (!strncmp(tok, "graph", strlen(arg))) 482 callchain_param.mode = CHAIN_GRAPH_ABS; 483 484 else if (!strncmp(tok, "flat", strlen(arg))) 485 callchain_param.mode = CHAIN_FLAT; 486 487 else if (!strncmp(tok, "fractal", strlen(arg))) 488 callchain_param.mode = CHAIN_GRAPH_REL; 489 490 else if (!strncmp(tok, "none", strlen(arg))) { 491 callchain_param.mode = CHAIN_NONE; 492 symbol_conf.use_callchain = false; 493 494 return 0; 495 } 496 497 else 498 return -1; 499 500 /* get the min percentage */ 501 tok = strtok(NULL, ","); 502 if (!tok) 503 goto setup; 504 505 callchain_param.min_percent = strtod(tok, &endptr); 506 if (tok == endptr) 507 return -1; 508 509 /* get the print limit */ 510 tok2 = strtok(NULL, ","); 511 if (!tok2) 512 goto setup; 513 514 if (tok2[0] != 'c') { 515 callchain_param.print_limit = strtoul(tok2, &endptr, 0); 516 tok2 = strtok(NULL, ","); 517 if (!tok2) 518 goto setup; 519 } 520 521 /* get the call chain order */ 522 if (!strcmp(tok2, "caller")) 523 callchain_param.order = ORDER_CALLER; 524 else if (!strcmp(tok2, "callee")) 525 callchain_param.order = ORDER_CALLEE; 526 else 527 return -1; 528 setup: 529 if (callchain_register_param(&callchain_param) < 0) { 530 fprintf(stderr, "Can't register callchain params\n"); 531 return -1; 532 } 533 return 0; 534 } 535 536 static int 537 parse_branch_mode(const struct option *opt __maybe_unused, 538 const char *str __maybe_unused, int unset) 539 { 540 sort__branch_mode = !unset; 541 return 0; 542 } 543 544 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) 545 { 546 struct perf_session *session; 547 struct stat st; 548 bool has_br_stack = false; 549 int ret = -1; 550 char callchain_default_opt[] = "fractal,0.5,callee"; 551 const char * const report_usage[] = { 552 "perf report [<options>]", 553 NULL 554 }; 555 struct perf_report report = { 556 .tool = { 557 .sample = process_sample_event, 558 .mmap = perf_event__process_mmap, 559 .comm = perf_event__process_comm, 560 .exit = perf_event__process_exit, 561 .fork = perf_event__process_fork, 562 .lost = perf_event__process_lost, 563 .read = process_read_event, 564 .attr = perf_event__process_attr, 565 .event_type = perf_event__process_event_type, 566 .tracing_data = perf_event__process_tracing_data, 567 .build_id = perf_event__process_build_id, 568 .ordered_samples = true, 569 .ordering_requires_timestamps = true, 570 }, 571 .pretty_printing_style = "normal", 572 }; 573 const struct option options[] = { 574 OPT_STRING('i', "input", &input_name, "file", 575 "input file name"), 576 OPT_INCR('v', "verbose", &verbose, 577 "be more verbose (show symbol address, etc)"), 578 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 579 "dump raw trace in ASCII"), 580 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 581 "file", "vmlinux pathname"), 582 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 583 "file", "kallsyms pathname"), 584 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), 585 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 586 "load module symbols - WARNING: use only with -k and LIVE kernel"), 587 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 588 "Show a column with the number of samples"), 589 OPT_BOOLEAN('T', "threads", &report.show_threads, 590 "Show per-thread event counters"), 591 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 592 "pretty printing style key: normal raw"), 593 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 594 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 595 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 596 "Use the stdio interface"), 597 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 598 "sort by key(s): pid, comm, dso, symbol, parent, dso_to," 599 " dso_from, symbol_to, symbol_from, mispredict"), 600 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 601 "Show sample percentage for different cpu modes"), 602 OPT_STRING('p', "parent", &parent_pattern, "regex", 603 "regex filter to identify parent, see: '--sort parent'"), 604 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 605 "Only display entries with parent-match"), 606 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", 607 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. " 608 "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), 609 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 610 "alias for inverted call graph"), 611 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 612 "only consider symbols in these dsos"), 613 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 614 "only consider symbols in these comms"), 615 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 616 "only consider these symbols"), 617 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 618 "only show symbols that (partially) match with this filter"), 619 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 620 "width[,width...]", 621 "don't try to adjust column width, use these fixed values"), 622 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", 623 "separator for columns, no spaces will be added between " 624 "columns '.' is reserved."), 625 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, 626 "Only display entries resolved to a symbol"), 627 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 628 "Look for files with symbols relative to this directory"), 629 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 630 "list of cpus to profile"), 631 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 632 "Display extended information about perf.data file"), 633 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 634 "Interleave source code with assembly code (default)"), 635 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 636 "Display raw encoding of assembly instructions (default)"), 637 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 638 "Specify disassembler style (e.g. -M intel for intel syntax)"), 639 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 640 "Show a column with the sum of periods"), 641 OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", 642 "use branch records for histogram filling", parse_branch_mode), 643 OPT_STRING(0, "objdump", &objdump_path, "path", 644 "objdump binary to use for disassembly and annotations"), 645 OPT_END() 646 }; 647 648 argc = parse_options(argc, argv, options, report_usage, 0); 649 650 if (report.use_stdio) 651 use_browser = 0; 652 else if (report.use_tui) 653 use_browser = 1; 654 else if (report.use_gtk) 655 use_browser = 2; 656 657 if (report.inverted_callchain) 658 callchain_param.order = ORDER_CALLER; 659 660 if (!input_name || !strlen(input_name)) { 661 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 662 input_name = "-"; 663 else 664 input_name = "perf.data"; 665 } 666 session = perf_session__new(input_name, O_RDONLY, 667 report.force, false, &report.tool); 668 if (session == NULL) 669 return -ENOMEM; 670 671 report.session = session; 672 673 has_br_stack = perf_header__has_feat(&session->header, 674 HEADER_BRANCH_STACK); 675 676 if (sort__branch_mode == -1 && has_br_stack) 677 sort__branch_mode = 1; 678 679 /* sort__branch_mode could be 0 if --no-branch-stack */ 680 if (sort__branch_mode == 1) { 681 /* 682 * if no sort_order is provided, then specify 683 * branch-mode specific order 684 */ 685 if (sort_order == default_sort_order) 686 sort_order = "comm,dso_from,symbol_from," 687 "dso_to,symbol_to"; 688 689 } 690 691 if (strcmp(input_name, "-") != 0) 692 setup_browser(true); 693 else { 694 use_browser = 0; 695 perf_hpp__init(); 696 } 697 698 setup_sorting(report_usage, options); 699 700 /* 701 * Only in the newt browser we are doing integrated annotation, 702 * so don't allocate extra space that won't be used in the stdio 703 * implementation. 704 */ 705 if (use_browser == 1 && sort__has_sym) { 706 symbol_conf.priv_size = sizeof(struct annotation); 707 report.annotate_init = symbol__annotate_init; 708 /* 709 * For searching by name on the "Browse map details". 710 * providing it only in verbose mode not to bloat too 711 * much struct symbol. 712 */ 713 if (verbose) { 714 /* 715 * XXX: Need to provide a less kludgy way to ask for 716 * more space per symbol, the u32 is for the index on 717 * the ui browser. 718 * See symbol__browser_index. 719 */ 720 symbol_conf.priv_size += sizeof(u32); 721 symbol_conf.sort_by_name = true; 722 } 723 } 724 725 if (symbol__init() < 0) 726 goto error; 727 728 if (parent_pattern != default_parent_pattern) { 729 if (sort_dimension__add("parent") < 0) 730 goto error; 731 732 /* 733 * Only show the parent fields if we explicitly 734 * sort that way. If we only use parent machinery 735 * for filtering, we don't want it. 736 */ 737 if (!strstr(sort_order, "parent")) 738 sort_parent.elide = 1; 739 } else 740 symbol_conf.exclude_other = false; 741 742 if (argc) { 743 /* 744 * Special case: if there's an argument left then assume that 745 * it's a symbol filter: 746 */ 747 if (argc > 1) 748 usage_with_options(report_usage, options); 749 750 report.symbol_filter_str = argv[0]; 751 } 752 753 sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); 754 755 if (sort__branch_mode == 1) { 756 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); 757 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); 758 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); 759 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); 760 } else { 761 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); 762 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); 763 } 764 765 ret = __cmd_report(&report); 766 error: 767 perf_session__delete(session); 768 return ret; 769 } 770