1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * builtin-report.c 4 * 5 * Builtin report command: Analyze the perf.data input file, 6 * look up and read DSOs and symbol information and display 7 * a histogram of results, along various sorting keys. 8 */ 9 #include "builtin.h" 10 11 #include "util/config.h" 12 13 #include "util/annotate.h" 14 #include "util/color.h" 15 #include <linux/list.h> 16 #include <linux/rbtree.h> 17 #include <linux/err.h> 18 #include <linux/zalloc.h> 19 #include "util/map.h" 20 #include "util/symbol.h" 21 #include "util/callchain.h" 22 #include "util/values.h" 23 24 #include "perf.h" 25 #include "util/debug.h" 26 #include "util/evlist.h" 27 #include "util/evsel.h" 28 #include "util/evswitch.h" 29 #include "util/header.h" 30 #include "util/session.h" 31 #include "util/tool.h" 32 33 #include <subcmd/parse-options.h> 34 #include <subcmd/exec-cmd.h> 35 #include "util/parse-events.h" 36 37 #include "util/thread.h" 38 #include "util/sort.h" 39 #include "util/hist.h" 40 #include "util/data.h" 41 #include "arch/common.h" 42 #include "util/time-utils.h" 43 #include "util/auxtrace.h" 44 #include "util/units.h" 45 #include "util/branch.h" 46 47 #include <dlfcn.h> 48 #include <errno.h> 49 #include <inttypes.h> 50 #include <regex.h> 51 #include <linux/ctype.h> 52 #include <signal.h> 53 #include <linux/bitmap.h> 54 #include <linux/stringify.h> 55 #include <linux/time64.h> 56 #include <sys/types.h> 57 #include <sys/stat.h> 58 #include <unistd.h> 59 #include <linux/mman.h> 60 61 struct report { 62 struct perf_tool tool; 63 struct perf_session *session; 64 struct evswitch evswitch; 65 bool use_tui, use_gtk, use_stdio; 66 bool show_full_info; 67 bool show_threads; 68 bool inverted_callchain; 69 bool mem_mode; 70 bool stats_mode; 71 bool tasks_mode; 72 bool mmaps_mode; 73 bool header; 74 bool header_only; 75 bool nonany_branch_mode; 76 bool group_set; 77 int max_stack; 78 struct perf_read_values show_threads_values; 79 struct annotation_options annotation_opts; 80 const char *pretty_printing_style; 81 const char *cpu_list; 82 const char *symbol_filter_str; 83 const char *time_str; 84 struct perf_time_interval *ptime_range; 85 int range_size; 86 int range_num; 87 float min_percent; 88 u64 nr_entries; 89 u64 queue_size; 90 int socket_filter; 91 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 92 struct branch_type_stat brtype_stat; 93 bool symbol_ipc; 94 }; 95 96 static int report__config(const char *var, const char *value, void *cb) 97 { 98 struct report *rep = cb; 99 100 if (!strcmp(var, "report.group")) { 101 symbol_conf.event_group = perf_config_bool(var, value); 102 return 0; 103 } 104 if (!strcmp(var, "report.percent-limit")) { 105 double pcnt = strtof(value, NULL); 106 107 rep->min_percent = pcnt; 108 callchain_param.min_percent = pcnt; 109 return 0; 110 } 111 if (!strcmp(var, "report.children")) { 112 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 113 return 0; 114 } 115 if (!strcmp(var, "report.queue-size")) 116 return perf_config_u64(&rep->queue_size, var, value); 117 118 if (!strcmp(var, "report.sort_order")) { 119 default_sort_order = strdup(value); 120 return 0; 121 } 122 123 return 0; 124 } 125 126 static int hist_iter__report_callback(struct hist_entry_iter *iter, 127 struct addr_location *al, bool single, 128 void *arg) 129 { 130 int err = 0; 131 struct report *rep = arg; 132 struct hist_entry *he = iter->he; 133 struct evsel *evsel = iter->evsel; 134 struct perf_sample *sample = iter->sample; 135 struct mem_info *mi; 136 struct branch_info *bi; 137 138 if (!ui__has_annotation() && !rep->symbol_ipc) 139 return 0; 140 141 if (sort__mode == SORT_MODE__BRANCH) { 142 bi = he->branch_info; 143 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 144 if (err) 145 goto out; 146 147 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 148 149 } else if (rep->mem_mode) { 150 mi = he->mem_info; 151 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 152 if (err) 153 goto out; 154 155 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 156 157 } else if (symbol_conf.cumulate_callchain) { 158 if (single) 159 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 160 } else { 161 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 162 } 163 164 out: 165 return err; 166 } 167 168 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 169 struct addr_location *al __maybe_unused, 170 bool single __maybe_unused, 171 void *arg) 172 { 173 struct hist_entry *he = iter->he; 174 struct report *rep = arg; 175 struct branch_info *bi; 176 struct perf_sample *sample = iter->sample; 177 struct evsel *evsel = iter->evsel; 178 int err; 179 180 if (!ui__has_annotation() && !rep->symbol_ipc) 181 return 0; 182 183 bi = he->branch_info; 184 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 185 if (err) 186 goto out; 187 188 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 189 190 branch_type_count(&rep->brtype_stat, &bi->flags, 191 bi->from.addr, bi->to.addr); 192 193 out: 194 return err; 195 } 196 197 static void setup_forced_leader(struct report *report, 198 struct evlist *evlist) 199 { 200 if (report->group_set) 201 perf_evlist__force_leader(evlist); 202 } 203 204 static int process_feature_event(struct perf_session *session, 205 union perf_event *event) 206 { 207 struct report *rep = container_of(session->tool, struct report, tool); 208 209 if (event->feat.feat_id < HEADER_LAST_FEATURE) 210 return perf_event__process_feature(session, event); 211 212 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 213 pr_err("failed: wrong feature ID: %" PRIu64 "\n", 214 event->feat.feat_id); 215 return -1; 216 } 217 218 /* 219 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 220 * means all features are received, now we can force the 221 * group if needed. 222 */ 223 setup_forced_leader(rep, session->evlist); 224 return 0; 225 } 226 227 static int process_sample_event(struct perf_tool *tool, 228 union perf_event *event, 229 struct perf_sample *sample, 230 struct evsel *evsel, 231 struct machine *machine) 232 { 233 struct report *rep = container_of(tool, struct report, tool); 234 struct addr_location al; 235 struct hist_entry_iter iter = { 236 .evsel = evsel, 237 .sample = sample, 238 .hide_unresolved = symbol_conf.hide_unresolved, 239 .add_entry_cb = hist_iter__report_callback, 240 }; 241 int ret = 0; 242 243 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 244 sample->time)) { 245 return 0; 246 } 247 248 if (evswitch__discard(&rep->evswitch, evsel)) 249 return 0; 250 251 if (machine__resolve(machine, &al, sample) < 0) { 252 pr_debug("problem processing %d event, skipping it.\n", 253 event->header.type); 254 return -1; 255 } 256 257 if (symbol_conf.hide_unresolved && al.sym == NULL) 258 goto out_put; 259 260 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 261 goto out_put; 262 263 if (sort__mode == SORT_MODE__BRANCH) { 264 /* 265 * A non-synthesized event might not have a branch stack if 266 * branch stacks have been synthesized (using itrace options). 267 */ 268 if (!sample->branch_stack) 269 goto out_put; 270 271 iter.add_entry_cb = hist_iter__branch_callback; 272 iter.ops = &hist_iter_branch; 273 } else if (rep->mem_mode) { 274 iter.ops = &hist_iter_mem; 275 } else if (symbol_conf.cumulate_callchain) { 276 iter.ops = &hist_iter_cumulative; 277 } else { 278 iter.ops = &hist_iter_normal; 279 } 280 281 if (al.map != NULL) 282 al.map->dso->hit = 1; 283 284 if (ui__has_annotation() || rep->symbol_ipc) { 285 hist__account_cycles(sample->branch_stack, &al, sample, 286 rep->nonany_branch_mode); 287 } 288 289 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 290 if (ret < 0) 291 pr_debug("problem adding hist entry, skipping event\n"); 292 out_put: 293 addr_location__put(&al); 294 return ret; 295 } 296 297 static int process_read_event(struct perf_tool *tool, 298 union perf_event *event, 299 struct perf_sample *sample __maybe_unused, 300 struct evsel *evsel, 301 struct machine *machine __maybe_unused) 302 { 303 struct report *rep = container_of(tool, struct report, tool); 304 305 if (rep->show_threads) { 306 const char *name = perf_evsel__name(evsel); 307 int err = perf_read_values_add_value(&rep->show_threads_values, 308 event->read.pid, event->read.tid, 309 evsel->idx, 310 name, 311 event->read.value); 312 313 if (err) 314 return err; 315 } 316 317 return 0; 318 } 319 320 /* For pipe mode, sample_type is not currently set */ 321 static int report__setup_sample_type(struct report *rep) 322 { 323 struct perf_session *session = rep->session; 324 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 325 bool is_pipe = perf_data__is_pipe(session->data); 326 327 if (session->itrace_synth_opts->callchain || 328 (!is_pipe && 329 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 330 !session->itrace_synth_opts->set)) 331 sample_type |= PERF_SAMPLE_CALLCHAIN; 332 333 if (session->itrace_synth_opts->last_branch) 334 sample_type |= PERF_SAMPLE_BRANCH_STACK; 335 336 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 337 if (perf_hpp_list.parent) { 338 ui__error("Selected --sort parent, but no " 339 "callchain data. Did you call " 340 "'perf record' without -g?\n"); 341 return -EINVAL; 342 } 343 if (symbol_conf.use_callchain && 344 !symbol_conf.show_branchflag_count) { 345 ui__error("Selected -g or --branch-history.\n" 346 "But no callchain or branch data.\n" 347 "Did you call 'perf record' without -g or -b?\n"); 348 return -1; 349 } 350 } else if (!callchain_param.enabled && 351 callchain_param.mode != CHAIN_NONE && 352 !symbol_conf.use_callchain) { 353 symbol_conf.use_callchain = true; 354 if (callchain_register_param(&callchain_param) < 0) { 355 ui__error("Can't register callchain params.\n"); 356 return -EINVAL; 357 } 358 } 359 360 if (symbol_conf.cumulate_callchain) { 361 /* Silently ignore if callchain is missing */ 362 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 363 symbol_conf.cumulate_callchain = false; 364 perf_hpp__cancel_cumulate(); 365 } 366 } 367 368 if (sort__mode == SORT_MODE__BRANCH) { 369 if (!is_pipe && 370 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 371 ui__error("Selected -b but no branch data. " 372 "Did you call perf record without -b?\n"); 373 return -1; 374 } 375 } 376 377 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 378 if ((sample_type & PERF_SAMPLE_REGS_USER) && 379 (sample_type & PERF_SAMPLE_STACK_USER)) { 380 callchain_param.record_mode = CALLCHAIN_DWARF; 381 dwarf_callchain_users = true; 382 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 383 callchain_param.record_mode = CALLCHAIN_LBR; 384 else 385 callchain_param.record_mode = CALLCHAIN_FP; 386 } 387 388 /* ??? handle more cases than just ANY? */ 389 if (!(perf_evlist__combined_branch_type(session->evlist) & 390 PERF_SAMPLE_BRANCH_ANY)) 391 rep->nonany_branch_mode = true; 392 393 return 0; 394 } 395 396 static void sig_handler(int sig __maybe_unused) 397 { 398 session_done = 1; 399 } 400 401 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 402 const char *evname, FILE *fp) 403 { 404 size_t ret; 405 char unit; 406 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 407 u64 nr_events = hists->stats.total_period; 408 struct evsel *evsel = hists_to_evsel(hists); 409 char buf[512]; 410 size_t size = sizeof(buf); 411 int socked_id = hists->socket_filter; 412 413 if (quiet) 414 return 0; 415 416 if (symbol_conf.filter_relative) { 417 nr_samples = hists->stats.nr_non_filtered_samples; 418 nr_events = hists->stats.total_non_filtered_period; 419 } 420 421 if (perf_evsel__is_group_event(evsel)) { 422 struct evsel *pos; 423 424 perf_evsel__group_desc(evsel, buf, size); 425 evname = buf; 426 427 for_each_group_member(pos, evsel) { 428 const struct hists *pos_hists = evsel__hists(pos); 429 430 if (symbol_conf.filter_relative) { 431 nr_samples += pos_hists->stats.nr_non_filtered_samples; 432 nr_events += pos_hists->stats.total_non_filtered_period; 433 } else { 434 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; 435 nr_events += pos_hists->stats.total_period; 436 } 437 } 438 } 439 440 nr_samples = convert_unit(nr_samples, &unit); 441 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 442 if (evname != NULL) { 443 ret += fprintf(fp, " of event%s '%s'", 444 evsel->core.nr_members > 1 ? "s" : "", evname); 445 } 446 447 if (rep->time_str) 448 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 449 450 if (symbol_conf.show_ref_callgraph && 451 strstr(evname, "call-graph=no")) { 452 ret += fprintf(fp, ", show reference callgraph"); 453 } 454 455 if (rep->mem_mode) { 456 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 457 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 458 } else 459 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 460 461 if (socked_id > -1) 462 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 463 464 return ret + fprintf(fp, "\n#\n"); 465 } 466 467 static int perf_evlist__tty_browse_hists(struct evlist *evlist, 468 struct report *rep, 469 const char *help) 470 { 471 struct evsel *pos; 472 473 if (!quiet) { 474 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 475 evlist->stats.total_lost_samples); 476 } 477 478 evlist__for_each_entry(evlist, pos) { 479 struct hists *hists = evsel__hists(pos); 480 const char *evname = perf_evsel__name(pos); 481 482 if (symbol_conf.event_group && 483 !perf_evsel__is_group_leader(pos)) 484 continue; 485 486 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 487 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 488 !(symbol_conf.use_callchain || 489 symbol_conf.show_branchflag_count)); 490 fprintf(stdout, "\n\n"); 491 } 492 493 if (!quiet) 494 fprintf(stdout, "#\n# (%s)\n#\n", help); 495 496 if (rep->show_threads) { 497 bool style = !strcmp(rep->pretty_printing_style, "raw"); 498 perf_read_values_display(stdout, &rep->show_threads_values, 499 style); 500 perf_read_values_destroy(&rep->show_threads_values); 501 } 502 503 if (sort__mode == SORT_MODE__BRANCH) 504 branch_type_stat_display(stdout, &rep->brtype_stat); 505 506 return 0; 507 } 508 509 static void report__warn_kptr_restrict(const struct report *rep) 510 { 511 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 512 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 513 514 if (perf_evlist__exclude_kernel(rep->session->evlist)) 515 return; 516 517 if (kernel_map == NULL || 518 (kernel_map->dso->hit && 519 (kernel_kmap->ref_reloc_sym == NULL || 520 kernel_kmap->ref_reloc_sym->addr == 0))) { 521 const char *desc = 522 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 523 "can't be resolved."; 524 525 if (kernel_map && map__has_symbols(kernel_map)) { 526 desc = "If some relocation was applied (e.g. " 527 "kexec) symbols may be misresolved."; 528 } 529 530 ui__warning( 531 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 532 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 533 "Samples in kernel modules can't be resolved as well.\n\n", 534 desc); 535 } 536 } 537 538 static int report__gtk_browse_hists(struct report *rep, const char *help) 539 { 540 int (*hist_browser)(struct evlist *evlist, const char *help, 541 struct hist_browser_timer *timer, float min_pcnt); 542 543 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); 544 545 if (hist_browser == NULL) { 546 ui__error("GTK browser not found!\n"); 547 return -1; 548 } 549 550 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 551 } 552 553 static int report__browse_hists(struct report *rep) 554 { 555 int ret; 556 struct perf_session *session = rep->session; 557 struct evlist *evlist = session->evlist; 558 const char *help = perf_tip(system_path(TIPDIR)); 559 560 if (help == NULL) { 561 /* fallback for people who don't install perf ;-) */ 562 help = perf_tip(DOCDIR); 563 if (help == NULL) 564 help = "Cannot load tips.txt file, please install perf!"; 565 } 566 567 switch (use_browser) { 568 case 1: 569 ret = perf_evlist__tui_browse_hists(evlist, help, NULL, 570 rep->min_percent, 571 &session->header.env, 572 true, &rep->annotation_opts); 573 /* 574 * Usually "ret" is the last pressed key, and we only 575 * care if the key notifies us to switch data file. 576 */ 577 if (ret != K_SWITCH_INPUT_DATA) 578 ret = 0; 579 break; 580 case 2: 581 ret = report__gtk_browse_hists(rep, help); 582 break; 583 default: 584 ret = perf_evlist__tty_browse_hists(evlist, rep, help); 585 break; 586 } 587 588 return ret; 589 } 590 591 static int report__collapse_hists(struct report *rep) 592 { 593 struct ui_progress prog; 594 struct evsel *pos; 595 int ret = 0; 596 597 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 598 599 evlist__for_each_entry(rep->session->evlist, pos) { 600 struct hists *hists = evsel__hists(pos); 601 602 if (pos->idx == 0) 603 hists->symbol_filter_str = rep->symbol_filter_str; 604 605 hists->socket_filter = rep->socket_filter; 606 607 ret = hists__collapse_resort(hists, &prog); 608 if (ret < 0) 609 break; 610 611 /* Non-group events are considered as leader */ 612 if (symbol_conf.event_group && 613 !perf_evsel__is_group_leader(pos)) { 614 struct hists *leader_hists = evsel__hists(pos->leader); 615 616 hists__match(leader_hists, hists); 617 hists__link(leader_hists, hists); 618 } 619 } 620 621 ui_progress__finish(); 622 return ret; 623 } 624 625 static int hists__resort_cb(struct hist_entry *he, void *arg) 626 { 627 struct report *rep = arg; 628 struct symbol *sym = he->ms.sym; 629 630 if (rep->symbol_ipc && sym && !sym->annotate2) { 631 struct evsel *evsel = hists_to_evsel(he->hists); 632 633 symbol__annotate2(sym, he->ms.map, evsel, 634 &annotation__default_options, NULL); 635 } 636 637 return 0; 638 } 639 640 static void report__output_resort(struct report *rep) 641 { 642 struct ui_progress prog; 643 struct evsel *pos; 644 645 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 646 647 evlist__for_each_entry(rep->session->evlist, pos) { 648 perf_evsel__output_resort_cb(pos, &prog, 649 hists__resort_cb, rep); 650 } 651 652 ui_progress__finish(); 653 } 654 655 static void stats_setup(struct report *rep) 656 { 657 memset(&rep->tool, 0, sizeof(rep->tool)); 658 rep->tool.no_warn = true; 659 } 660 661 static int stats_print(struct report *rep) 662 { 663 struct perf_session *session = rep->session; 664 665 perf_session__fprintf_nr_events(session, stdout); 666 return 0; 667 } 668 669 static void tasks_setup(struct report *rep) 670 { 671 memset(&rep->tool, 0, sizeof(rep->tool)); 672 rep->tool.ordered_events = true; 673 if (rep->mmaps_mode) { 674 rep->tool.mmap = perf_event__process_mmap; 675 rep->tool.mmap2 = perf_event__process_mmap2; 676 } 677 rep->tool.comm = perf_event__process_comm; 678 rep->tool.exit = perf_event__process_exit; 679 rep->tool.fork = perf_event__process_fork; 680 rep->tool.no_warn = true; 681 } 682 683 struct task { 684 struct thread *thread; 685 struct list_head list; 686 struct list_head children; 687 }; 688 689 static struct task *tasks_list(struct task *task, struct machine *machine) 690 { 691 struct thread *parent_thread, *thread = task->thread; 692 struct task *parent_task; 693 694 /* Already listed. */ 695 if (!list_empty(&task->list)) 696 return NULL; 697 698 /* Last one in the chain. */ 699 if (thread->ppid == -1) 700 return task; 701 702 parent_thread = machine__find_thread(machine, -1, thread->ppid); 703 if (!parent_thread) 704 return ERR_PTR(-ENOENT); 705 706 parent_task = thread__priv(parent_thread); 707 list_add_tail(&task->list, &parent_task->children); 708 return tasks_list(parent_task, machine); 709 } 710 711 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 712 { 713 size_t printed = 0; 714 struct rb_node *nd; 715 716 for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { 717 struct map *map = rb_entry(nd, struct map, rb_node); 718 719 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 720 indent, "", map->start, map->end, 721 map->prot & PROT_READ ? 'r' : '-', 722 map->prot & PROT_WRITE ? 'w' : '-', 723 map->prot & PROT_EXEC ? 'x' : '-', 724 map->flags & MAP_SHARED ? 's' : 'p', 725 map->pgoff, 726 map->ino, map->dso->name); 727 } 728 729 return printed; 730 } 731 732 static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) 733 { 734 return maps__fprintf_task(&mg->maps, indent, fp); 735 } 736 737 static void task__print_level(struct task *task, FILE *fp, int level) 738 { 739 struct thread *thread = task->thread; 740 struct task *child; 741 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 742 thread->pid_, thread->tid, thread->ppid, 743 level, ""); 744 745 fprintf(fp, "%s\n", thread__comm_str(thread)); 746 747 map_groups__fprintf_task(thread->mg, comm_indent, fp); 748 749 if (!list_empty(&task->children)) { 750 list_for_each_entry(child, &task->children, list) 751 task__print_level(child, fp, level + 1); 752 } 753 } 754 755 static int tasks_print(struct report *rep, FILE *fp) 756 { 757 struct perf_session *session = rep->session; 758 struct machine *machine = &session->machines.host; 759 struct task *tasks, *task; 760 unsigned int nr = 0, itask = 0, i; 761 struct rb_node *nd; 762 LIST_HEAD(list); 763 764 /* 765 * No locking needed while accessing machine->threads, 766 * because --tasks is single threaded command. 767 */ 768 769 /* Count all the threads. */ 770 for (i = 0; i < THREADS__TABLE_SIZE; i++) 771 nr += machine->threads[i].nr; 772 773 tasks = malloc(sizeof(*tasks) * nr); 774 if (!tasks) 775 return -ENOMEM; 776 777 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 778 struct threads *threads = &machine->threads[i]; 779 780 for (nd = rb_first_cached(&threads->entries); nd; 781 nd = rb_next(nd)) { 782 task = tasks + itask++; 783 784 task->thread = rb_entry(nd, struct thread, rb_node); 785 INIT_LIST_HEAD(&task->children); 786 INIT_LIST_HEAD(&task->list); 787 thread__set_priv(task->thread, task); 788 } 789 } 790 791 /* 792 * Iterate every task down to the unprocessed parent 793 * and link all in task children list. Task with no 794 * parent is added into 'list'. 795 */ 796 for (itask = 0; itask < nr; itask++) { 797 task = tasks + itask; 798 799 if (!list_empty(&task->list)) 800 continue; 801 802 task = tasks_list(task, machine); 803 if (IS_ERR(task)) { 804 pr_err("Error: failed to process tasks\n"); 805 free(tasks); 806 return PTR_ERR(task); 807 } 808 809 if (task) 810 list_add_tail(&task->list, &list); 811 } 812 813 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 814 815 list_for_each_entry(task, &list, list) 816 task__print_level(task, fp, 0); 817 818 free(tasks); 819 return 0; 820 } 821 822 static int __cmd_report(struct report *rep) 823 { 824 int ret; 825 struct perf_session *session = rep->session; 826 struct evsel *pos; 827 struct perf_data *data = session->data; 828 829 signal(SIGINT, sig_handler); 830 831 if (rep->cpu_list) { 832 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 833 rep->cpu_bitmap); 834 if (ret) { 835 ui__error("failed to set cpu bitmap\n"); 836 return ret; 837 } 838 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 839 } 840 841 if (rep->show_threads) { 842 ret = perf_read_values_init(&rep->show_threads_values); 843 if (ret) 844 return ret; 845 } 846 847 ret = report__setup_sample_type(rep); 848 if (ret) { 849 /* report__setup_sample_type() already showed error message */ 850 return ret; 851 } 852 853 if (rep->stats_mode) 854 stats_setup(rep); 855 856 if (rep->tasks_mode) 857 tasks_setup(rep); 858 859 ret = perf_session__process_events(session); 860 if (ret) { 861 ui__error("failed to process sample\n"); 862 return ret; 863 } 864 865 if (rep->stats_mode) 866 return stats_print(rep); 867 868 if (rep->tasks_mode) 869 return tasks_print(rep, stdout); 870 871 report__warn_kptr_restrict(rep); 872 873 evlist__for_each_entry(session->evlist, pos) 874 rep->nr_entries += evsel__hists(pos)->nr_entries; 875 876 if (use_browser == 0) { 877 if (verbose > 3) 878 perf_session__fprintf(session, stdout); 879 880 if (verbose > 2) 881 perf_session__fprintf_dsos(session, stdout); 882 883 if (dump_trace) { 884 perf_session__fprintf_nr_events(session, stdout); 885 perf_evlist__fprintf_nr_events(session->evlist, stdout); 886 return 0; 887 } 888 } 889 890 ret = report__collapse_hists(rep); 891 if (ret) { 892 ui__error("failed to process hist entry\n"); 893 return ret; 894 } 895 896 if (session_done()) 897 return 0; 898 899 /* 900 * recalculate number of entries after collapsing since it 901 * might be changed during the collapse phase. 902 */ 903 rep->nr_entries = 0; 904 evlist__for_each_entry(session->evlist, pos) 905 rep->nr_entries += evsel__hists(pos)->nr_entries; 906 907 if (rep->nr_entries == 0) { 908 ui__error("The %s data has no samples!\n", data->path); 909 return 0; 910 } 911 912 report__output_resort(rep); 913 914 return report__browse_hists(rep); 915 } 916 917 static int 918 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 919 { 920 struct callchain_param *callchain = opt->value; 921 922 callchain->enabled = !unset; 923 /* 924 * --no-call-graph 925 */ 926 if (unset) { 927 symbol_conf.use_callchain = false; 928 callchain->mode = CHAIN_NONE; 929 return 0; 930 } 931 932 return parse_callchain_report_opt(arg); 933 } 934 935 static int 936 parse_time_quantum(const struct option *opt, const char *arg, 937 int unset __maybe_unused) 938 { 939 unsigned long *time_q = opt->value; 940 char *end; 941 942 *time_q = strtoul(arg, &end, 0); 943 if (end == arg) 944 goto parse_err; 945 if (*time_q == 0) { 946 pr_err("time quantum cannot be 0"); 947 return -1; 948 } 949 end = skip_spaces(end); 950 if (*end == 0) 951 return 0; 952 if (!strcmp(end, "s")) { 953 *time_q *= NSEC_PER_SEC; 954 return 0; 955 } 956 if (!strcmp(end, "ms")) { 957 *time_q *= NSEC_PER_MSEC; 958 return 0; 959 } 960 if (!strcmp(end, "us")) { 961 *time_q *= NSEC_PER_USEC; 962 return 0; 963 } 964 if (!strcmp(end, "ns")) 965 return 0; 966 parse_err: 967 pr_err("Cannot parse time quantum `%s'\n", arg); 968 return -1; 969 } 970 971 int 972 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 973 const char *arg, int unset __maybe_unused) 974 { 975 if (arg) { 976 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 977 if (err) { 978 char buf[BUFSIZ]; 979 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 980 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 981 return -1; 982 } 983 have_ignore_callees = 1; 984 } 985 986 return 0; 987 } 988 989 static int 990 parse_branch_mode(const struct option *opt, 991 const char *str __maybe_unused, int unset) 992 { 993 int *branch_mode = opt->value; 994 995 *branch_mode = !unset; 996 return 0; 997 } 998 999 static int 1000 parse_percent_limit(const struct option *opt, const char *str, 1001 int unset __maybe_unused) 1002 { 1003 struct report *rep = opt->value; 1004 double pcnt = strtof(str, NULL); 1005 1006 rep->min_percent = pcnt; 1007 callchain_param.min_percent = pcnt; 1008 return 0; 1009 } 1010 1011 int cmd_report(int argc, const char **argv) 1012 { 1013 struct perf_session *session; 1014 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1015 struct stat st; 1016 bool has_br_stack = false; 1017 int branch_mode = -1; 1018 bool branch_call_mode = false; 1019 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1020 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1021 CALLCHAIN_REPORT_HELP 1022 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1023 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1024 const char * const report_usage[] = { 1025 "perf report [<options>]", 1026 NULL 1027 }; 1028 struct report report = { 1029 .tool = { 1030 .sample = process_sample_event, 1031 .mmap = perf_event__process_mmap, 1032 .mmap2 = perf_event__process_mmap2, 1033 .comm = perf_event__process_comm, 1034 .namespaces = perf_event__process_namespaces, 1035 .exit = perf_event__process_exit, 1036 .fork = perf_event__process_fork, 1037 .lost = perf_event__process_lost, 1038 .read = process_read_event, 1039 .attr = perf_event__process_attr, 1040 .tracing_data = perf_event__process_tracing_data, 1041 .build_id = perf_event__process_build_id, 1042 .id_index = perf_event__process_id_index, 1043 .auxtrace_info = perf_event__process_auxtrace_info, 1044 .auxtrace = perf_event__process_auxtrace, 1045 .event_update = perf_event__process_event_update, 1046 .feature = process_feature_event, 1047 .ordered_events = true, 1048 .ordering_requires_timestamps = true, 1049 }, 1050 .max_stack = PERF_MAX_STACK_DEPTH, 1051 .pretty_printing_style = "normal", 1052 .socket_filter = -1, 1053 .annotation_opts = annotation__default_options, 1054 }; 1055 const struct option options[] = { 1056 OPT_STRING('i', "input", &input_name, "file", 1057 "input file name"), 1058 OPT_INCR('v', "verbose", &verbose, 1059 "be more verbose (show symbol address, etc)"), 1060 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 1061 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1062 "dump raw trace in ASCII"), 1063 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1064 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1065 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1066 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1067 "file", "vmlinux pathname"), 1068 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1069 "don't load vmlinux even if found"), 1070 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1071 "file", "kallsyms pathname"), 1072 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1073 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1074 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1075 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1076 "Show a column with the number of samples"), 1077 OPT_BOOLEAN('T', "threads", &report.show_threads, 1078 "Show per-thread event counters"), 1079 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1080 "pretty printing style key: normal raw"), 1081 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1082 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1083 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1084 "Use the stdio interface"), 1085 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1086 OPT_BOOLEAN(0, "header-only", &report.header_only, 1087 "Show only data header."), 1088 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1089 sort_help("sort by key(s):")), 1090 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1091 sort_help("output field(s): overhead period sample ")), 1092 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1093 "Show sample percentage for different cpu modes"), 1094 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1095 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1096 OPT_STRING('p', "parent", &parent_pattern, "regex", 1097 "regex filter to identify parent, see: '--sort parent'"), 1098 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1099 "Only display entries with parent-match"), 1100 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1101 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1102 report_callchain_help, &report_parse_callchain_opt, 1103 callchain_default_opt), 1104 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1105 "Accumulate callchains of children and show total overhead as well"), 1106 OPT_INTEGER(0, "max-stack", &report.max_stack, 1107 "Set the maximum stack depth when parsing the callchain, " 1108 "anything beyond the specified depth will be ignored. " 1109 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1110 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1111 "alias for inverted call graph"), 1112 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1113 "ignore callees of these functions in call graphs", 1114 report_parse_ignore_callees_opt), 1115 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1116 "only consider symbols in these dsos"), 1117 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1118 "only consider symbols in these comms"), 1119 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1120 "only consider symbols in these pids"), 1121 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1122 "only consider symbols in these tids"), 1123 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1124 "only consider these symbols"), 1125 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1126 "only show symbols that (partially) match with this filter"), 1127 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1128 "width[,width...]", 1129 "don't try to adjust column width, use these fixed values"), 1130 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1131 "separator for columns, no spaces will be added between " 1132 "columns '.' is reserved."), 1133 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1134 "Only display entries resolved to a symbol"), 1135 OPT_CALLBACK(0, "symfs", NULL, "directory", 1136 "Look for files with symbols relative to this directory", 1137 symbol__config_symfs), 1138 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1139 "list of cpus to profile"), 1140 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1141 "Display extended information about perf.data file"), 1142 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1143 "Interleave source code with assembly code (default)"), 1144 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1145 "Display raw encoding of assembly instructions (default)"), 1146 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1147 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1148 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1149 "Show a column with the sum of periods"), 1150 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1151 "Show event group information together"), 1152 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1153 "use branch records for per branch histogram filling", 1154 parse_branch_mode), 1155 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1156 "add last branch records to call history"), 1157 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1158 "objdump binary to use for disassembly and annotations"), 1159 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1160 "Disable symbol demangling"), 1161 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1162 "Enable kernel symbol demangling"), 1163 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1164 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1165 "Number of samples to save per histogram entry for individual browsing"), 1166 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1167 "Don't show entries under that percent", parse_percent_limit), 1168 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1169 "how to display percentage of filtered entries", parse_filter_percentage), 1170 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1171 "Instruction Tracing options\n" ITRACE_HELP, 1172 itrace_parse_synth_opts), 1173 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1174 "Show full source file name path for source lines"), 1175 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1176 "Show callgraph from reference event"), 1177 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1178 "only show processor socket that match with this filter"), 1179 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1180 "Show raw trace event output (do not use print fmt or plugins)"), 1181 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1182 "Show entries in a hierarchy"), 1183 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1184 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1185 stdio__config_color, "always"), 1186 OPT_STRING(0, "time", &report.time_str, "str", 1187 "Time span of interest (start,stop)"), 1188 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1189 "Show inline function"), 1190 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1191 "Set percent type local/global-period/hits", 1192 annotate_parse_percent_type), 1193 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1194 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1195 "Set time quantum for time sort key (default 100ms)", 1196 parse_time_quantum), 1197 OPTS_EVSWITCH(&report.evswitch), 1198 OPT_END() 1199 }; 1200 struct perf_data data = { 1201 .mode = PERF_DATA_MODE_READ, 1202 }; 1203 int ret = hists__init(); 1204 char sort_tmp[128]; 1205 1206 if (ret < 0) 1207 return ret; 1208 1209 ret = perf_config(report__config, &report); 1210 if (ret) 1211 return ret; 1212 1213 argc = parse_options(argc, argv, options, report_usage, 0); 1214 if (argc) { 1215 /* 1216 * Special case: if there's an argument left then assume that 1217 * it's a symbol filter: 1218 */ 1219 if (argc > 1) 1220 usage_with_options(report_usage, options); 1221 1222 report.symbol_filter_str = argv[0]; 1223 } 1224 1225 if (report.mmaps_mode) 1226 report.tasks_mode = true; 1227 1228 if (quiet) 1229 perf_quiet_option(); 1230 1231 if (symbol_conf.vmlinux_name && 1232 access(symbol_conf.vmlinux_name, R_OK)) { 1233 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); 1234 return -EINVAL; 1235 } 1236 if (symbol_conf.kallsyms_name && 1237 access(symbol_conf.kallsyms_name, R_OK)) { 1238 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); 1239 return -EINVAL; 1240 } 1241 1242 if (report.inverted_callchain) 1243 callchain_param.order = ORDER_CALLER; 1244 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1245 callchain_param.order = ORDER_CALLER; 1246 1247 if (itrace_synth_opts.callchain && 1248 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1249 report.max_stack = itrace_synth_opts.callchain_sz; 1250 1251 if (!input_name || !strlen(input_name)) { 1252 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1253 input_name = "-"; 1254 else 1255 input_name = "perf.data"; 1256 } 1257 1258 data.path = input_name; 1259 data.force = symbol_conf.force; 1260 1261 repeat: 1262 session = perf_session__new(&data, false, &report.tool); 1263 if (session == NULL) 1264 return -1; 1265 1266 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1267 if (ret) 1268 return ret; 1269 1270 if (zstd_init(&(session->zstd_data), 0) < 0) 1271 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1272 1273 if (report.queue_size) { 1274 ordered_events__set_alloc_size(&session->ordered_events, 1275 report.queue_size); 1276 } 1277 1278 session->itrace_synth_opts = &itrace_synth_opts; 1279 1280 report.session = session; 1281 1282 has_br_stack = perf_header__has_feat(&session->header, 1283 HEADER_BRANCH_STACK); 1284 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1285 has_br_stack = false; 1286 1287 setup_forced_leader(&report, session->evlist); 1288 1289 if (itrace_synth_opts.last_branch) 1290 has_br_stack = true; 1291 1292 if (has_br_stack && branch_call_mode) 1293 symbol_conf.show_branchflag_count = true; 1294 1295 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1296 1297 /* 1298 * Branch mode is a tristate: 1299 * -1 means default, so decide based on the file having branch data. 1300 * 0/1 means the user chose a mode. 1301 */ 1302 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1303 !branch_call_mode) { 1304 sort__mode = SORT_MODE__BRANCH; 1305 symbol_conf.cumulate_callchain = false; 1306 } 1307 if (branch_call_mode) { 1308 callchain_param.key = CCKEY_ADDRESS; 1309 callchain_param.branch_callstack = 1; 1310 symbol_conf.use_callchain = true; 1311 callchain_register_param(&callchain_param); 1312 if (sort_order == NULL) 1313 sort_order = "srcline,symbol,dso"; 1314 } 1315 1316 if (report.mem_mode) { 1317 if (sort__mode == SORT_MODE__BRANCH) { 1318 pr_err("branch and mem mode incompatible\n"); 1319 goto error; 1320 } 1321 sort__mode = SORT_MODE__MEMORY; 1322 symbol_conf.cumulate_callchain = false; 1323 } 1324 1325 if (symbol_conf.report_hierarchy) { 1326 /* disable incompatible options */ 1327 symbol_conf.cumulate_callchain = false; 1328 1329 if (field_order) { 1330 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1331 parse_options_usage(report_usage, options, "F", 1); 1332 parse_options_usage(NULL, options, "hierarchy", 0); 1333 goto error; 1334 } 1335 1336 perf_hpp_list.need_collapse = true; 1337 } 1338 1339 if (report.use_stdio) 1340 use_browser = 0; 1341 else if (report.use_tui) 1342 use_browser = 1; 1343 else if (report.use_gtk) 1344 use_browser = 2; 1345 1346 /* Force tty output for header output and per-thread stat. */ 1347 if (report.header || report.header_only || report.show_threads) 1348 use_browser = 0; 1349 if (report.header || report.header_only) 1350 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1351 if (report.show_full_info) 1352 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1353 if (report.stats_mode || report.tasks_mode) 1354 use_browser = 0; 1355 if (report.stats_mode && report.tasks_mode) { 1356 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1357 goto error; 1358 } 1359 1360 if (strcmp(input_name, "-") != 0) 1361 setup_browser(true); 1362 else 1363 use_browser = 0; 1364 1365 if (sort_order && strstr(sort_order, "ipc")) { 1366 parse_options_usage(report_usage, options, "s", 1); 1367 goto error; 1368 } 1369 1370 if (sort_order && strstr(sort_order, "symbol")) { 1371 if (sort__mode == SORT_MODE__BRANCH) { 1372 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1373 sort_order, "ipc_lbr"); 1374 report.symbol_ipc = true; 1375 } else { 1376 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1377 sort_order, "ipc_null"); 1378 } 1379 1380 sort_order = sort_tmp; 1381 } 1382 1383 if (setup_sorting(session->evlist) < 0) { 1384 if (sort_order) 1385 parse_options_usage(report_usage, options, "s", 1); 1386 if (field_order) 1387 parse_options_usage(sort_order ? NULL : report_usage, 1388 options, "F", 1); 1389 goto error; 1390 } 1391 1392 if ((report.header || report.header_only) && !quiet) { 1393 perf_session__fprintf_info(session, stdout, 1394 report.show_full_info); 1395 if (report.header_only) { 1396 ret = 0; 1397 goto error; 1398 } 1399 } else if (use_browser == 0 && !quiet && 1400 !report.stats_mode && !report.tasks_mode) { 1401 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1402 stdout); 1403 } 1404 1405 /* 1406 * Only in the TUI browser we are doing integrated annotation, 1407 * so don't allocate extra space that won't be used in the stdio 1408 * implementation. 1409 */ 1410 if (ui__has_annotation() || report.symbol_ipc) { 1411 ret = symbol__annotation_init(); 1412 if (ret < 0) 1413 goto error; 1414 /* 1415 * For searching by name on the "Browse map details". 1416 * providing it only in verbose mode not to bloat too 1417 * much struct symbol. 1418 */ 1419 if (verbose > 0) { 1420 /* 1421 * XXX: Need to provide a less kludgy way to ask for 1422 * more space per symbol, the u32 is for the index on 1423 * the ui browser. 1424 * See symbol__browser_index. 1425 */ 1426 symbol_conf.priv_size += sizeof(u32); 1427 symbol_conf.sort_by_name = true; 1428 } 1429 annotation_config__init(); 1430 } 1431 1432 if (symbol__init(&session->header.env) < 0) 1433 goto error; 1434 1435 if (report.time_str) { 1436 ret = perf_time__parse_for_ranges(report.time_str, session, 1437 &report.ptime_range, 1438 &report.range_size, 1439 &report.range_num); 1440 if (ret < 0) 1441 goto error; 1442 1443 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1444 report.ptime_range, 1445 report.range_num); 1446 } 1447 1448 if (session->tevent.pevent && 1449 tep_set_function_resolver(session->tevent.pevent, 1450 machine__resolve_kernel_addr, 1451 &session->machines.host) < 0) { 1452 pr_err("%s: failed to set libtraceevent function resolver\n", 1453 __func__); 1454 return -1; 1455 } 1456 1457 sort__setup_elide(stdout); 1458 1459 ret = __cmd_report(&report); 1460 if (ret == K_SWITCH_INPUT_DATA) { 1461 perf_session__delete(session); 1462 goto repeat; 1463 } else 1464 ret = 0; 1465 1466 error: 1467 if (report.ptime_range) { 1468 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1469 zfree(&report.ptime_range); 1470 } 1471 zstd_fini(&(session->zstd_data)); 1472 perf_session__delete(session); 1473 return ret; 1474 } 1475