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 #include "util/cache.h"
  12
  13 #include "util/annotate.h"
  14 #include "util/color.h"
  15 #include <linux/list.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_config(const char *var, const char *value, void *cb)
  58 {
  59         if (!strcmp(var, "report.group")) {
  60                 symbol_conf.event_group = perf_config_bool(var, value);
  61                 return 0;
  62         }
  63
  64         return perf_default_config(var, value, cb);
  65 }
  66
  67 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
  68                                         struct addr_location *al,
  69                                         struct perf_sample *sample,
  70                                         struct perf_evsel *evsel,
  71                                       struct machine *machine)
  72 {
  73         struct perf_report *rep = container_of(tool, struct perf_report, tool);
  74         struct symbol *parent = NULL;
  75         int err = 0;
  76         unsigned i;
  77         struct hist_entry *he;
  78         struct branch_info *bi, *bx;
  79
  80         if ((sort__has_parent || symbol_conf.use_callchain)
  81             && sample->callchain) {
  82                 err = machine__resolve_callchain(machine, evsel, al->thread,
  83                                                  sample, &parent);
  84                 if (err)
  85                         return err;
  86         }
  87
  88         bi = machine__resolve_bstack(machine, al->thread,
  89                                      sample->branch_stack);
  90         if (!bi)
  91                 return -ENOMEM;
  92
  93         for (i = 0; i < sample->branch_stack->nr; i++) {
  94                 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
  95                         continue;
  96                 /*
  97                  * The report shows the percentage of total branches captured
  98                  * and not events sampled. Thus we use a pseudo period of 1.
  99                  */
 100                 he = __hists__add_branch_entry(&evsel->hists, al, parent,
 101                                 &bi[i], 1, 1);
 102                 if (he) {
 103                         struct annotation *notes;
 104                         err = -ENOMEM;
 105                         bx = he->branch_info;
 106                         if (bx->from.sym && use_browser == 1 && sort__has_sym) {
 107                                 notes = symbol__annotation(bx->from.sym);
 108                                 if (!notes->src
 109                                     && symbol__alloc_hist(bx->from.sym) < 0)
 110                                         goto out;
 111
 112                                 err = symbol__inc_addr_samples(bx->from.sym,
 113                                                                bx->from.map,
 114                                                                evsel->idx,
 115                                                                bx->from.al_addr);
 116                                 if (err)
 117                                         goto out;
 118                         }
 119
 120                         if (bx->to.sym && use_browser == 1 && sort__has_sym) {
 121                                 notes = symbol__annotation(bx->to.sym);
 122                                 if (!notes->src
 123                                     && symbol__alloc_hist(bx->to.sym) < 0)
 124                                         goto out;
 125
 126                                 err = symbol__inc_addr_samples(bx->to.sym,
 127                                                                bx->to.map,
 128                                                                evsel->idx,
 129                                                                bx->to.al_addr);
 130                                 if (err)
 131                                         goto out;
 132                         }
 133                         evsel->hists.stats.total_period += 1;
 134                         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
 135                         err = 0;
 136                 } else
 137                         return -ENOMEM;
 138         }
 139 out:
 140         return err;
 141 }
 142
 143 static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
 144                                       struct addr_location *al,
 145                                       struct perf_sample *sample,
 146                                       struct machine *machine)
 147 {
 148         struct symbol *parent = NULL;
 149         int err = 0;
 150         struct hist_entry *he;
 151
 152         if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
 153                 err = machine__resolve_callchain(machine, evsel, al->thread,
 154                                                  sample, &parent);
 155                 if (err)
 156                         return err;
 157         }
 158
 159         he = __hists__add_entry(&evsel->hists, al, parent, sample->period,
 160                                         sample->weight);
 161         if (he == NULL)
 162                 return -ENOMEM;
 163
 164         if (symbol_conf.use_callchain) {
 165                 err = callchain_append(he->callchain,
 166                                        &callchain_cursor,
 167                                        sample->period);
 168                 if (err)
 169                         return err;
 170         }
 171         /*
 172          * Only in the newt browser we are doing integrated annotation,
 173          * so we don't allocated the extra space needed because the stdio
 174          * code will not use it.
 175          */
 176         if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
 177                 struct annotation *notes = symbol__annotation(he->ms.sym);
 178
 179                 assert(evsel != NULL);
 180
 181                 err = -ENOMEM;
 182                 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
 183                         goto out;
 184
 185                 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
 186         }
 187
 188         evsel->hists.stats.total_period += sample->period;
 189         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
 190 out:
 191         return err;
 192 }
 193
 194
 195 static int process_sample_event(struct perf_tool *tool,
 196                                 union perf_event *event,
 197                                 struct perf_sample *sample,
 198                                 struct perf_evsel *evsel,
 199                                 struct machine *machine)
 200 {
 201         struct perf_report *rep = container_of(tool, struct perf_report, tool);
 202         struct addr_location al;
 203
 204         if (perf_event__preprocess_sample(event, machine, &al, sample,
 205                                           rep->annotate_init) < 0) {
 206                 fprintf(stderr, "problem processing %d event, skipping it.\n",
 207                         event->header.type);
 208                 return -1;
 209         }
 210
 211         if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
 212                 return 0;
 213
 214         if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
 215                 return 0;
 216
 217         if (sort__branch_mode == 1) {
 218                 if (perf_report__add_branch_hist_entry(tool, &al, sample,
 219                                                        evsel, machine)) {
 220                         pr_debug("problem adding lbr entry, skipping event\n");
 221                         return -1;
 222                 }
 223         } else {
 224                 if (al.map != NULL)
 225                         al.map->dso->hit = 1;
 226
 227                 if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
 228                         pr_debug("problem incrementing symbol period, skipping event\n");
 229                         return -1;
 230                 }
 231         }
 232         return 0;
 233 }
 234
 235 static int process_read_event(struct perf_tool *tool,
 236                               union perf_event *event,
 237                               struct perf_sample *sample __maybe_unused,
 238                               struct perf_evsel *evsel,
 239                               struct machine *machine __maybe_unused)
 240 {
 241         struct perf_report *rep = container_of(tool, struct perf_report, tool);
 242
 243         if (rep->show_threads) {
 244                 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
 245                 perf_read_values_add_value(&rep->show_threads_values,
 246                                            event->read.pid, event->read.tid,
 247                                            event->read.id,
 248                                            name,
 249                                            event->read.value);
 250         }
 251
 252         dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
 253                     evsel ? perf_evsel__name(evsel) : "FAIL",
 254                     event->read.value);
 255
 256         return 0;
 257 }
 258
 259 /* For pipe mode, sample_type is not currently set */
 260 static int perf_report__setup_sample_type(struct perf_report *rep)
 261 {
 262         struct perf_session *self = rep->session;
 263         u64 sample_type = perf_evlist__sample_type(self->evlist);
 264
 265         if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
 266                 if (sort__has_parent) {
 267                         ui__error("Selected --sort parent, but no "
 268                                     "callchain data. Did you call "
 269                                     "'perf record' without -g?\n");
 270                         return -EINVAL;
 271                 }
 272                 if (symbol_conf.use_callchain) {
 273                         ui__error("Selected -g but no callchain data. Did "
 274                                     "you call 'perf record' without -g?\n");
 275                         return -1;
 276                 }
 277         } else if (!rep->dont_use_callchains &&
 278                    callchain_param.mode != CHAIN_NONE &&
 279                    !symbol_conf.use_callchain) {
 280                         symbol_conf.use_callchain = true;
 281                         if (callchain_register_param(&callchain_param) < 0) {
 282                                 ui__error("Can't register callchain params.\n");
 283                                 return -EINVAL;
 284                         }
 285         }
 286
 287         if (sort__branch_mode == 1) {
 288                 if (!self->fd_pipe &&
 289                     !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
 290                         ui__error("Selected -b but no branch data. "
 291                                   "Did you call perf record without -b?\n");
 292                         return -1;
 293                 }
 294         }
 295
 296         return 0;
 297 }
 298
 299 extern volatile int session_done;
 300
 301 static void sig_handler(int sig __maybe_unused)
 302 {
 303         session_done = 1;
 304 }
 305
 306 static size_t hists__fprintf_nr_sample_events(struct hists *self,
 307                                               const char *evname, FILE *fp)
 308 {
 309         size_t ret;
 310         char unit;
 311         unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
 312         u64 nr_events = self->stats.total_period;
 313         struct perf_evsel *evsel = hists_to_evsel(self);
 314         char buf[512];
 315         size_t size = sizeof(buf);
 316
 317         if (perf_evsel__is_group_event(evsel)) {
 318                 struct perf_evsel *pos;
 319
 320                 perf_evsel__group_desc(evsel, buf, size);
 321                 evname = buf;
 322
 323                 for_each_group_member(pos, evsel) {
 324                         nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
 325                         nr_events += pos->hists.stats.total_period;
 326                 }
 327         }
 328
 329         nr_samples = convert_unit(nr_samples, &unit);
 330         ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
 331         if (evname != NULL)
 332                 ret += fprintf(fp, " of event '%s'", evname);
 333
 334         ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
 335         return ret + fprintf(fp, "\n#\n");
 336 }
 337
 338 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
 339                                          struct perf_report *rep,
 340                                          const char *help)
 341 {
 342         struct perf_evsel *pos;
 343
 344         list_for_each_entry(pos, &evlist->entries, node) {
 345                 struct hists *hists = &pos->hists;
 346                 const char *evname = perf_evsel__name(pos);
 347
 348                 if (symbol_conf.event_group &&
 349                     !perf_evsel__is_group_leader(pos))
 350                         continue;
 351
 352                 hists__fprintf_nr_sample_events(hists, evname, stdout);
 353                 hists__fprintf(hists, true, 0, 0, stdout);
 354                 fprintf(stdout, "\n\n");
 355         }
 356
 357         if (sort_order == default_sort_order &&
 358             parent_pattern == default_parent_pattern) {
 359                 fprintf(stdout, "#\n# (%s)\n#\n", help);
 360
 361                 if (rep->show_threads) {
 362                         bool style = !strcmp(rep->pretty_printing_style, "raw");
 363                         perf_read_values_display(stdout, &rep->show_threads_values,
 364                                                  style);
 365                         perf_read_values_destroy(&rep->show_threads_values);
 366                 }
 367         }
 368
 369         return 0;
 370 }
 371
 372 static int __cmd_report(struct perf_report *rep)
 373 {
 374         int ret = -EINVAL;
 375         u64 nr_samples;
 376         struct perf_session *session = rep->session;
 377         struct perf_evsel *pos;
 378         struct map *kernel_map;
 379         struct kmap *kernel_kmap;
 380         const char *help = "For a higher level overview, try: perf report --sort comm,dso";
 381
 382         signal(SIGINT, sig_handler);
 383
 384         if (rep->cpu_list) {
 385                 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
 386                                                rep->cpu_bitmap);
 387                 if (ret)
 388                         goto out_delete;
 389         }
 390
 391         if (use_browser <= 0)
 392                 perf_session__fprintf_info(session, stdout, rep->show_full_info);
 393
 394         if (rep->show_threads)
 395                 perf_read_values_init(&rep->show_threads_values);
 396
 397         ret = perf_report__setup_sample_type(rep);
 398         if (ret)
 399                 goto out_delete;
 400
 401         ret = perf_session__process_events(session, &rep->tool);
 402         if (ret)
 403                 goto out_delete;
 404
 405         kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
 406         kernel_kmap = map__kmap(kernel_map);
 407         if (kernel_map == NULL ||
 408             (kernel_map->dso->hit &&
 409              (kernel_kmap->ref_reloc_sym == NULL ||
 410               kernel_kmap->ref_reloc_sym->addr == 0))) {
 411                 const char *desc =
 412                     "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
 413                     "can't be resolved.";
 414
 415                 if (kernel_map) {
 416                         const struct dso *kdso = kernel_map->dso;
 417                         if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
 418                                 desc = "If some relocation was applied (e.g. "
 419                                        "kexec) symbols may be misresolved.";
 420                         }
 421                 }
 422
 423                 ui__warning(
 424 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
 425 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
 426 "Samples in kernel modules can't be resolved as well.\n\n",
 427                 desc);
 428         }
 429
 430         if (verbose > 3)
 431                 perf_session__fprintf(session, stdout);
 432
 433         if (verbose > 2)
 434                 perf_session__fprintf_dsos(session, stdout);
 435
 436         if (dump_trace) {
 437                 perf_session__fprintf_nr_events(session, stdout);
 438                 goto out_delete;
 439         }
 440
 441         nr_samples = 0;
 442         list_for_each_entry(pos, &session->evlist->entries, node) {
 443                 struct hists *hists = &pos->hists;
 444
 445                 if (pos->idx == 0)
 446                         hists->symbol_filter_str = rep->symbol_filter_str;
 447
 448                 hists__collapse_resort(hists);
 449                 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
 450
 451                 /* Non-group events are considered as leader */
 452                 if (symbol_conf.event_group &&
 453                     !perf_evsel__is_group_leader(pos)) {
 454                         struct hists *leader_hists = &pos->leader->hists;
 455
 456                         hists__match(leader_hists, hists);
 457                         hists__link(leader_hists, hists);
 458                 }
 459         }
 460
 461         if (nr_samples == 0) {
 462                 ui__error("The %s file has no samples!\n", session->filename);
 463                 goto out_delete;
 464         }
 465
 466         list_for_each_entry(pos, &session->evlist->entries, node)
 467                 hists__output_resort(&pos->hists);
 468
 469         if (use_browser > 0) {
 470                 if (use_browser == 1) {
 471                         ret = perf_evlist__tui_browse_hists(session->evlist,
 472                                                         help,
 473                                                         NULL,
 474                                                         &session->header.env);
 475                         /*
 476                          * Usually "ret" is the last pressed key, and we only
 477                          * care if the key notifies us to switch data file.
 478                          */
 479                         if (ret != K_SWITCH_INPUT_DATA)
 480                                 ret = 0;
 481
 482                 } else if (use_browser == 2) {
 483                         perf_evlist__gtk_browse_hists(session->evlist, help,
 484                                                       NULL);
 485                 }
 486         } else
 487                 perf_evlist__tty_browse_hists(session->evlist, rep, help);
 488
 489 out_delete:
 490         /*
 491          * Speed up the exit process, for large files this can
 492          * take quite a while.
 493          *
 494          * XXX Enable this when using valgrind or if we ever
 495          * librarize this command.
 496          *
 497          * Also experiment with obstacks to see how much speed
 498          * up we'll get here.
 499          *
 500          * perf_session__delete(session);
 501          */
 502         return ret;
 503 }
 504
 505 static int
 506 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
 507 {
 508         struct perf_report *rep = (struct perf_report *)opt->value;
 509         char *tok, *tok2;
 510         char *endptr;
 511
 512         /*
 513          * --no-call-graph
 514          */
 515         if (unset) {
 516                 rep->dont_use_callchains = true;
 517                 return 0;
 518         }
 519
 520         symbol_conf.use_callchain = true;
 521
 522         if (!arg)
 523                 return 0;
 524
 525         tok = strtok((char *)arg, ",");
 526         if (!tok)
 527                 return -1;
 528
 529         /* get the output mode */
 530         if (!strncmp(tok, "graph", strlen(arg)))
 531                 callchain_param.mode = CHAIN_GRAPH_ABS;
 532
 533         else if (!strncmp(tok, "flat", strlen(arg)))
 534                 callchain_param.mode = CHAIN_FLAT;
 535
 536         else if (!strncmp(tok, "fractal", strlen(arg)))
 537                 callchain_param.mode = CHAIN_GRAPH_REL;
 538
 539         else if (!strncmp(tok, "none", strlen(arg))) {
 540                 callchain_param.mode = CHAIN_NONE;
 541                 symbol_conf.use_callchain = false;
 542
 543                 return 0;
 544         }
 545
 546         else
 547                 return -1;
 548
 549         /* get the min percentage */
 550         tok = strtok(NULL, ",");
 551         if (!tok)
 552                 goto setup;
 553
 554         callchain_param.min_percent = strtod(tok, &endptr);
 555         if (tok == endptr)
 556                 return -1;
 557
 558         /* get the print limit */
 559         tok2 = strtok(NULL, ",");
 560         if (!tok2)
 561                 goto setup;
 562
 563         if (tok2[0] != 'c') {
 564                 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
 565                 tok2 = strtok(NULL, ",");
 566                 if (!tok2)
 567                         goto setup;
 568         }
 569
 570         /* get the call chain order */
 571         if (!strcmp(tok2, "caller"))
 572                 callchain_param.order = ORDER_CALLER;
 573         else if (!strcmp(tok2, "callee"))
 574                 callchain_param.order = ORDER_CALLEE;
 575         else
 576                 return -1;
 577 setup:
 578         if (callchain_register_param(&callchain_param) < 0) {
 579                 fprintf(stderr, "Can't register callchain params\n");
 580                 return -1;
 581         }
 582         return 0;
 583 }
 584
 585 static int
 586 parse_branch_mode(const struct option *opt __maybe_unused,
 587                   const char *str __maybe_unused, int unset)
 588 {
 589         sort__branch_mode = !unset;
 590         return 0;
 591 }
 592
 593 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 594 {
 595         struct perf_session *session;
 596         struct stat st;
 597         bool has_br_stack = false;
 598         int ret = -1;
 599         char callchain_default_opt[] = "fractal,0.5,callee";
 600         const char * const report_usage[] = {
 601                 "perf report [<options>]",
 602                 NULL
 603         };
 604         struct perf_report report = {
 605                 .tool = {
 606                         .sample          = process_sample_event,
 607                         .mmap            = perf_event__process_mmap,
 608                         .comm            = perf_event__process_comm,
 609                         .exit            = perf_event__process_exit,
 610                         .fork            = perf_event__process_fork,
 611                         .lost            = perf_event__process_lost,
 612                         .read            = process_read_event,
 613                         .attr            = perf_event__process_attr,
 614                         .event_type      = perf_event__process_event_type,
 615                         .tracing_data    = perf_event__process_tracing_data,
 616                         .build_id        = perf_event__process_build_id,
 617                         .ordered_samples = true,
 618                         .ordering_requires_timestamps = true,
 619                 },
 620                 .pretty_printing_style   = "normal",
 621         };
 622         const struct option options[] = {
 623         OPT_STRING('i', "input", &input_name, "file",
 624                     "input file name"),
 625         OPT_INCR('v', "verbose", &verbose,
 626                     "be more verbose (show symbol address, etc)"),
 627         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
 628                     "dump raw trace in ASCII"),
 629         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 630                    "file", "vmlinux pathname"),
 631         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
 632                    "file", "kallsyms pathname"),
 633         OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
 634         OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
 635                     "load module symbols - WARNING: use only with -k and LIVE kernel"),
 636         OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
 637                     "Show a column with the number of samples"),
 638         OPT_BOOLEAN('T', "threads", &report.show_threads,
 639                     "Show per-thread event counters"),
 640         OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
 641                    "pretty printing style key: normal raw"),
 642         OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
 643         OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
 644         OPT_BOOLEAN(0, "stdio", &report.use_stdio,
 645                     "Use the stdio interface"),
 646         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
 647                    "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
 648                    " dso_to, dso_from, symbol_to, symbol_from, mispredict,"
 649                    " weight, local_weight"),
 650         OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
 651                     "Show sample percentage for different cpu modes"),
 652         OPT_STRING('p', "parent", &parent_pattern, "regex",
 653                    "regex filter to identify parent, see: '--sort parent'"),
 654         OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
 655                     "Only display entries with parent-match"),
 656         OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
 657                      "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
 658                      "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
 659         OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
 660                     "alias for inverted call graph"),
 661         OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
 662                    "only consider symbols in these dsos"),
 663         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
 664                    "only consider symbols in these comms"),
 665         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
 666                    "only consider these symbols"),
 667         OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
 668                    "only show symbols that (partially) match with this filter"),
 669         OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
 670                    "width[,width...]",
 671                    "don't try to adjust column width, use these fixed values"),
 672         OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
 673                    "separator for columns, no spaces will be added between "
 674                    "columns '.' is reserved."),
 675         OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
 676                     "Only display entries resolved to a symbol"),
 677         OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
 678                     "Look for files with symbols relative to this directory"),
 679         OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
 680                    "list of cpus to profile"),
 681         OPT_BOOLEAN('I', "show-info", &report.show_full_info,
 682                     "Display extended information about perf.data file"),
 683         OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
 684                     "Interleave source code with assembly code (default)"),
 685         OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
 686                     "Display raw encoding of assembly instructions (default)"),
 687         OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
 688                    "Specify disassembler style (e.g. -M intel for intel syntax)"),
 689         OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
 690                     "Show a column with the sum of periods"),
 691         OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
 692                     "Show event group information together"),
 693         OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
 694                     "use branch records for histogram filling", parse_branch_mode),
 695         OPT_STRING(0, "objdump", &objdump_path, "path",
 696                    "objdump binary to use for disassembly and annotations"),
 697         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
 698                     "Disable symbol demangling"),
 699         OPT_END()
 700         };
 701
 702         perf_config(perf_report_config, NULL);
 703
 704         argc = parse_options(argc, argv, options, report_usage, 0);
 705
 706         if (report.use_stdio)
 707                 use_browser = 0;
 708         else if (report.use_tui)
 709                 use_browser = 1;
 710         else if (report.use_gtk)
 711                 use_browser = 2;
 712
 713         if (report.inverted_callchain)
 714                 callchain_param.order = ORDER_CALLER;
 715
 716         if (!input_name || !strlen(input_name)) {
 717                 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
 718                         input_name = "-";
 719                 else
 720                         input_name = "perf.data";
 721         }
 722
 723         if (strcmp(input_name, "-") != 0)
 724                 setup_browser(true);
 725         else {
 726                 use_browser = 0;
 727                 perf_hpp__column_enable(PERF_HPP__OVERHEAD);
 728                 perf_hpp__init();
 729         }
 730
 731 repeat:
 732         session = perf_session__new(input_name, O_RDONLY,
 733                                     report.force, false, &report.tool);
 734         if (session == NULL)
 735                 return -ENOMEM;
 736
 737         report.session = session;
 738
 739         has_br_stack = perf_header__has_feat(&session->header,
 740                                              HEADER_BRANCH_STACK);
 741
 742         if (sort__branch_mode == -1 && has_br_stack)
 743                 sort__branch_mode = 1;
 744
 745         /* sort__branch_mode could be 0 if --no-branch-stack */
 746         if (sort__branch_mode == 1) {
 747                 /*
 748                  * if no sort_order is provided, then specify
 749                  * branch-mode specific order
 750                  */
 751                 if (sort_order == default_sort_order)
 752                         sort_order = "comm,dso_from,symbol_from,"
 753                                      "dso_to,symbol_to";
 754
 755         }
 756
 757         if (setup_sorting() < 0)
 758                 usage_with_options(report_usage, options);
 759
 760         /*
 761          * Only in the newt browser we are doing integrated annotation,
 762          * so don't allocate extra space that won't be used in the stdio
 763          * implementation.
 764          */
 765         if (use_browser == 1 && sort__has_sym) {
 766                 symbol_conf.priv_size = sizeof(struct annotation);
 767                 report.annotate_init  = symbol__annotate_init;
 768                 /*
 769                  * For searching by name on the "Browse map details".
 770                  * providing it only in verbose mode not to bloat too
 771                  * much struct symbol.
 772                  */
 773                 if (verbose) {
 774                         /*
 775                          * XXX: Need to provide a less kludgy way to ask for
 776                          * more space per symbol, the u32 is for the index on
 777                          * the ui browser.
 778                          * See symbol__browser_index.
 779                          */
 780                         symbol_conf.priv_size += sizeof(u32);
 781                         symbol_conf.sort_by_name = true;
 782                 }
 783         }
 784
 785         if (symbol__init() < 0)
 786                 goto error;
 787
 788         if (parent_pattern != default_parent_pattern) {
 789                 if (sort_dimension__add("parent") < 0)
 790                         goto error;
 791
 792                 /*
 793                  * Only show the parent fields if we explicitly
 794                  * sort that way. If we only use parent machinery
 795                  * for filtering, we don't want it.
 796                  */
 797                 if (!strstr(sort_order, "parent"))
 798                         sort_parent.elide = 1;
 799         } else
 800                 symbol_conf.exclude_other = false;
 801
 802         if (argc) {
 803                 /*
 804                  * Special case: if there's an argument left then assume that
 805                  * it's a symbol filter:
 806                  */
 807                 if (argc > 1)
 808                         usage_with_options(report_usage, options);
 809
 810                 report.symbol_filter_str = argv[0];
 811         }
 812
 813         sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
 814
 815         if (sort__branch_mode == 1) {
 816                 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
 817                 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
 818                 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
 819                 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
 820         } else {
 821                 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
 822                 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
 823         }
 824
 825         ret = __cmd_report(&report);
 826         if (ret == K_SWITCH_INPUT_DATA) {
 827                 perf_session__delete(session);
 828                 goto repeat;
 829         } else
 830                 ret = 0;
 831
 832 error:
 833         perf_session__delete(session);
 834         return ret;
 835 }