linux/tools/perf/builtin-report.c
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   1/*
   2 * builtin-report.c
   3 *
   4 * Builtin report command: Analyze the perf.data input file,
   5 * look up and read DSOs and symbol information and display
   6 * a histogram of results, along various sorting keys.
   7 */
   8#include "builtin.h"
   9
  10#include "util/util.h"
  11
  12#include "util/annotate.h"
  13#include "util/color.h"
  14#include <linux/list.h>
  15#include "util/cache.h"
  16#include <linux/rbtree.h>
  17#include "util/symbol.h"
  18#include "util/callchain.h"
  19#include "util/strlist.h"
  20#include "util/values.h"
  21
  22#include "perf.h"
  23#include "util/debug.h"
  24#include "util/evlist.h"
  25#include "util/evsel.h"
  26#include "util/header.h"
  27#include "util/session.h"
  28#include "util/tool.h"
  29
  30#include "util/parse-options.h"
  31#include "util/parse-events.h"
  32
  33#include "util/thread.h"
  34#include "util/sort.h"
  35#include "util/hist.h"
  36
  37#include <linux/bitmap.h>
  38
  39struct 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
  57static 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        }
 129out:
 130        return err;
 131}
 132
 133static 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);
 179out:
 180        return err;
 181}
 182
 183
 184static 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
 224static 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 */
 249static 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
 288extern volatile int session_done;
 289
 290static void sig_handler(int sig __used)
 291{
 292        session_done = 1;
 293}
 294
 295static 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
 312static 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, NULL, false, 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
 342static 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 (dump_trace) {
 401                perf_session__fprintf_nr_events(session, stdout);
 402                goto out_delete;
 403        }
 404
 405        if (verbose > 3)
 406                perf_session__fprintf(session, stdout);
 407
 408        if (verbose > 2)
 409                perf_session__fprintf_dsos(session, stdout);
 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, NULL, 0);
 432                } else if (use_browser == 2) {
 433                        perf_evlist__gtk_browse_hists(session->evlist, help,
 434                                                      NULL, NULL, 0);
 435                }
 436        } else
 437                perf_evlist__tty_browse_hists(session->evlist, rep, help);
 438
 439out_delete:
 440        /*
 441         * Speed up the exit process, for large files this can
 442         * take quite a while.
 443         *
 444         * XXX Enable this when using valgrind or if we ever
 445         * librarize this command.
 446         *
 447         * Also experiment with obstacks to see how much speed
 448         * up we'll get here.
 449         *
 450         * perf_session__delete(session);
 451         */
 452        return ret;
 453}
 454
 455static int
 456parse_callchain_opt(const struct option *opt, const char *arg, int unset)
 457{
 458        struct perf_report *rep = (struct perf_report *)opt->value;
 459        char *tok, *tok2;
 460        char *endptr;
 461
 462        /*
 463         * --no-call-graph
 464         */
 465        if (unset) {
 466                rep->dont_use_callchains = true;
 467                return 0;
 468        }
 469
 470        symbol_conf.use_callchain = true;
 471
 472        if (!arg)
 473                return 0;
 474
 475        tok = strtok((char *)arg, ",");
 476        if (!tok)
 477                return -1;
 478
 479        /* get the output mode */
 480        if (!strncmp(tok, "graph", strlen(arg)))
 481                callchain_param.mode = CHAIN_GRAPH_ABS;
 482
 483        else if (!strncmp(tok, "flat", strlen(arg)))
 484                callchain_param.mode = CHAIN_FLAT;
 485
 486        else if (!strncmp(tok, "fractal", strlen(arg)))
 487                callchain_param.mode = CHAIN_GRAPH_REL;
 488
 489        else if (!strncmp(tok, "none", strlen(arg))) {
 490                callchain_param.mode = CHAIN_NONE;
 491                symbol_conf.use_callchain = false;
 492
 493                return 0;
 494        }
 495
 496        else
 497                return -1;
 498
 499        /* get the min percentage */
 500        tok = strtok(NULL, ",");
 501        if (!tok)
 502                goto setup;
 503
 504        callchain_param.min_percent = strtod(tok, &endptr);
 505        if (tok == endptr)
 506                return -1;
 507
 508        /* get the print limit */
 509        tok2 = strtok(NULL, ",");
 510        if (!tok2)
 511                goto setup;
 512
 513        if (tok2[0] != 'c') {
 514                callchain_param.print_limit = strtoul(tok2, &endptr, 0);
 515                tok2 = strtok(NULL, ",");
 516                if (!tok2)
 517                        goto setup;
 518        }
 519
 520        /* get the call chain order */
 521        if (!strcmp(tok2, "caller"))
 522                callchain_param.order = ORDER_CALLER;
 523        else if (!strcmp(tok2, "callee"))
 524                callchain_param.order = ORDER_CALLEE;
 525        else
 526                return -1;
 527setup:
 528        if (callchain_register_param(&callchain_param) < 0) {
 529                fprintf(stderr, "Can't register callchain params\n");
 530                return -1;
 531        }
 532        return 0;
 533}
 534
 535static int
 536parse_branch_mode(const struct option *opt __used, const char *str __used, int unset)
 537{
 538        sort__branch_mode = !unset;
 539        return 0;
 540}
 541
 542int cmd_report(int argc, const char **argv, const char *prefix __used)
 543{
 544        struct perf_session *session;
 545        struct stat st;
 546        bool has_br_stack = false;
 547        int ret = -1;
 548        char callchain_default_opt[] = "fractal,0.5,callee";
 549        const char * const report_usage[] = {
 550                "perf report [<options>]",
 551                NULL
 552        };
 553        struct perf_report report = {
 554                .tool = {
 555                        .sample          = process_sample_event,
 556                        .mmap            = perf_event__process_mmap,
 557                        .comm            = perf_event__process_comm,
 558                        .exit            = perf_event__process_task,
 559                        .fork            = perf_event__process_task,
 560                        .lost            = perf_event__process_lost,
 561                        .read            = process_read_event,
 562                        .attr            = perf_event__process_attr,
 563                        .event_type      = perf_event__process_event_type,
 564                        .tracing_data    = perf_event__process_tracing_data,
 565                        .build_id        = perf_event__process_build_id,
 566                        .ordered_samples = true,
 567                        .ordering_requires_timestamps = true,
 568                },
 569                .pretty_printing_style   = "normal",
 570        };
 571        const struct option options[] = {
 572        OPT_STRING('i', "input", &report.input_name, "file",
 573                    "input file name"),
 574        OPT_INCR('v', "verbose", &verbose,
 575                    "be more verbose (show symbol address, etc)"),
 576        OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
 577                    "dump raw trace in ASCII"),
 578        OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 579                   "file", "vmlinux pathname"),
 580        OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
 581                   "file", "kallsyms pathname"),
 582        OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
 583        OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
 584                    "load module symbols - WARNING: use only with -k and LIVE kernel"),
 585        OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
 586                    "Show a column with the number of samples"),
 587        OPT_BOOLEAN('T', "threads", &report.show_threads,
 588                    "Show per-thread event counters"),
 589        OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
 590                   "pretty printing style key: normal raw"),
 591        OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
 592        OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
 593        OPT_BOOLEAN(0, "stdio", &report.use_stdio,
 594                    "Use the stdio interface"),
 595        OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
 596                   "sort by key(s): pid, comm, dso, symbol, parent, dso_to,"
 597                   " dso_from, symbol_to, symbol_from, mispredict"),
 598        OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
 599                    "Show sample percentage for different cpu modes"),
 600        OPT_STRING('p', "parent", &parent_pattern, "regex",
 601                   "regex filter to identify parent, see: '--sort parent'"),
 602        OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
 603                    "Only display entries with parent-match"),
 604        OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
 605                     "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
 606                     "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
 607        OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
 608                    "alias for inverted call graph"),
 609        OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
 610                   "only consider symbols in these dsos"),
 611        OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
 612                   "only consider symbols in these comms"),
 613        OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
 614                   "only consider these symbols"),
 615        OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
 616                   "only show symbols that (partially) match with this filter"),
 617        OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
 618                   "width[,width...]",
 619                   "don't try to adjust column width, use these fixed values"),
 620        OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
 621                   "separator for columns, no spaces will be added between "
 622                   "columns '.' is reserved."),
 623        OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
 624                    "Only display entries resolved to a symbol"),
 625        OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
 626                    "Look for files with symbols relative to this directory"),
 627        OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
 628                   "list of cpus to profile"),
 629        OPT_BOOLEAN('I', "show-info", &report.show_full_info,
 630                    "Display extended information about perf.data file"),
 631        OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
 632                    "Interleave source code with assembly code (default)"),
 633        OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
 634                    "Display raw encoding of assembly instructions (default)"),
 635        OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
 636                   "Specify disassembler style (e.g. -M intel for intel syntax)"),
 637        OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
 638                    "Show a column with the sum of periods"),
 639        OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
 640                    "use branch records for histogram filling", parse_branch_mode),
 641        OPT_END()
 642        };
 643
 644        argc = parse_options(argc, argv, options, report_usage, 0);
 645
 646        if (report.use_stdio)
 647                use_browser = 0;
 648        else if (report.use_tui)
 649                use_browser = 1;
 650        else if (report.use_gtk)
 651                use_browser = 2;
 652
 653        if (report.inverted_callchain)
 654                callchain_param.order = ORDER_CALLER;
 655
 656        if (!report.input_name || !strlen(report.input_name)) {
 657                if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
 658                        report.input_name = "-";
 659                else
 660                        report.input_name = "perf.data";
 661        }
 662        session = perf_session__new(report.input_name, O_RDONLY,
 663                                    report.force, false, &report.tool);
 664        if (session == NULL)
 665                return -ENOMEM;
 666
 667        report.session = session;
 668
 669        has_br_stack = perf_header__has_feat(&session->header,
 670                                             HEADER_BRANCH_STACK);
 671
 672        if (sort__branch_mode == -1 && has_br_stack)
 673                sort__branch_mode = 1;
 674
 675        /* sort__branch_mode could be 0 if --no-branch-stack */
 676        if (sort__branch_mode == 1) {
 677                /*
 678                 * if no sort_order is provided, then specify
 679                 * branch-mode specific order
 680                 */
 681                if (sort_order == default_sort_order)
 682                        sort_order = "comm,dso_from,symbol_from,"
 683                                     "dso_to,symbol_to";
 684
 685        }
 686
 687        if (strcmp(report.input_name, "-") != 0)
 688                setup_browser(true);
 689        else
 690                use_browser = 0;
 691
 692        /*
 693         * Only in the newt browser we are doing integrated annotation,
 694         * so don't allocate extra space that won't be used in the stdio
 695         * implementation.
 696         */
 697        if (use_browser > 0) {
 698                symbol_conf.priv_size = sizeof(struct annotation);
 699                report.annotate_init  = symbol__annotate_init;
 700                /*
 701                 * For searching by name on the "Browse map details".
 702                 * providing it only in verbose mode not to bloat too
 703                 * much struct symbol.
 704                 */
 705                if (verbose) {
 706                        /*
 707                         * XXX: Need to provide a less kludgy way to ask for
 708                         * more space per symbol, the u32 is for the index on
 709                         * the ui browser.
 710                         * See symbol__browser_index.
 711                         */
 712                        symbol_conf.priv_size += sizeof(u32);
 713                        symbol_conf.sort_by_name = true;
 714                }
 715        }
 716
 717        if (symbol__init() < 0)
 718                goto error;
 719
 720        setup_sorting(report_usage, options);
 721
 722        if (parent_pattern != default_parent_pattern) {
 723                if (sort_dimension__add("parent") < 0)
 724                        goto error;
 725
 726                /*
 727                 * Only show the parent fields if we explicitly
 728                 * sort that way. If we only use parent machinery
 729                 * for filtering, we don't want it.
 730                 */
 731                if (!strstr(sort_order, "parent"))
 732                        sort_parent.elide = 1;
 733        } else
 734                symbol_conf.exclude_other = false;
 735
 736        if (argc) {
 737                /*
 738                 * Special case: if there's an argument left then assume that
 739                 * it's a symbol filter:
 740                 */
 741                if (argc > 1)
 742                        usage_with_options(report_usage, options);
 743
 744                report.symbol_filter_str = argv[0];
 745        }
 746
 747        sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
 748
 749        if (sort__branch_mode == 1) {
 750                sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
 751                sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
 752                sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
 753                sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
 754        } else {
 755                sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
 756                sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
 757        }
 758
 759        ret = __cmd_report(&report);
 760error:
 761        perf_session__delete(session);
 762        return ret;
 763}
 764
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