tools/perf/builtin-report.c

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