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