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 "util/dso.h" 16 #include <linux/list.h> 17 #include <linux/rbtree.h> 18 #include <linux/err.h> 19 #include <linux/zalloc.h> 20 #include "util/map.h" 21 #include "util/symbol.h" 22 #include "util/callchain.h" 23 #include "util/values.h" 24 25 #include "perf.h" 26 #include "util/debug.h" 27 #include "util/evlist.h" 28 #include "util/evsel.h" 29 #include "util/evswitch.h" 30 #include "util/header.h" 31 #include "util/session.h" 32 #include "util/srcline.h" 33 #include "util/tool.h" 34 35 #include <subcmd/parse-options.h> 36 #include <subcmd/exec-cmd.h> 37 #include "util/parse-events.h" 38 39 #include "util/thread.h" 40 #include "util/sort.h" 41 #include "util/hist.h" 42 #include "util/data.h" 43 #include "arch/common.h" 44 #include "util/time-utils.h" 45 #include "util/auxtrace.h" 46 #include "util/units.h" 47 #include "util/branch.h" 48 #include "util/util.h" 49 #include "ui/ui.h" 50 #include "ui/progress.h" 51 52 #include <dlfcn.h> 53 #include <errno.h> 54 #include <inttypes.h> 55 #include <regex.h> 56 #include <linux/ctype.h> 57 #include <signal.h> 58 #include <linux/bitmap.h> 59 #include <linux/string.h> 60 #include <linux/stringify.h> 61 #include <linux/time64.h> 62 #include <sys/types.h> 63 #include <sys/stat.h> 64 #include <unistd.h> 65 #include <linux/mman.h> 66 67 struct report { 68 struct perf_tool tool; 69 struct perf_session *session; 70 struct evswitch evswitch; 71 bool use_tui, use_gtk, use_stdio; 72 bool show_full_info; 73 bool show_threads; 74 bool inverted_callchain; 75 bool mem_mode; 76 bool stats_mode; 77 bool tasks_mode; 78 bool mmaps_mode; 79 bool header; 80 bool header_only; 81 bool nonany_branch_mode; 82 bool group_set; 83 int max_stack; 84 struct perf_read_values show_threads_values; 85 struct annotation_options annotation_opts; 86 const char *pretty_printing_style; 87 const char *cpu_list; 88 const char *symbol_filter_str; 89 const char *time_str; 90 struct perf_time_interval *ptime_range; 91 int range_size; 92 int range_num; 93 float min_percent; 94 u64 nr_entries; 95 u64 queue_size; 96 int socket_filter; 97 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 98 struct branch_type_stat brtype_stat; 99 bool symbol_ipc; 100 }; 101 102 static int report__config(const char *var, const char *value, void *cb) 103 { 104 struct report *rep = cb; 105 106 if (!strcmp(var, "report.group")) { 107 symbol_conf.event_group = perf_config_bool(var, value); 108 return 0; 109 } 110 if (!strcmp(var, "report.percent-limit")) { 111 double pcnt = strtof(value, NULL); 112 113 rep->min_percent = pcnt; 114 callchain_param.min_percent = pcnt; 115 return 0; 116 } 117 if (!strcmp(var, "report.children")) { 118 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 119 return 0; 120 } 121 if (!strcmp(var, "report.queue-size")) 122 return perf_config_u64(&rep->queue_size, var, value); 123 124 if (!strcmp(var, "report.sort_order")) { 125 default_sort_order = strdup(value); 126 return 0; 127 } 128 129 return 0; 130 } 131 132 static int hist_iter__report_callback(struct hist_entry_iter *iter, 133 struct addr_location *al, bool single, 134 void *arg) 135 { 136 int err = 0; 137 struct report *rep = arg; 138 struct hist_entry *he = iter->he; 139 struct evsel *evsel = iter->evsel; 140 struct perf_sample *sample = iter->sample; 141 struct mem_info *mi; 142 struct branch_info *bi; 143 144 if (!ui__has_annotation() && !rep->symbol_ipc) 145 return 0; 146 147 if (sort__mode == SORT_MODE__BRANCH) { 148 bi = he->branch_info; 149 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 150 if (err) 151 goto out; 152 153 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 154 155 } else if (rep->mem_mode) { 156 mi = he->mem_info; 157 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 158 if (err) 159 goto out; 160 161 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 162 163 } else if (symbol_conf.cumulate_callchain) { 164 if (single) 165 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 166 } else { 167 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 168 } 169 170 out: 171 return err; 172 } 173 174 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 175 struct addr_location *al __maybe_unused, 176 bool single __maybe_unused, 177 void *arg) 178 { 179 struct hist_entry *he = iter->he; 180 struct report *rep = arg; 181 struct branch_info *bi; 182 struct perf_sample *sample = iter->sample; 183 struct evsel *evsel = iter->evsel; 184 int err; 185 186 if (!ui__has_annotation() && !rep->symbol_ipc) 187 return 0; 188 189 bi = he->branch_info; 190 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 191 if (err) 192 goto out; 193 194 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 195 196 branch_type_count(&rep->brtype_stat, &bi->flags, 197 bi->from.addr, bi->to.addr); 198 199 out: 200 return err; 201 } 202 203 static void setup_forced_leader(struct report *report, 204 struct evlist *evlist) 205 { 206 if (report->group_set) 207 perf_evlist__force_leader(evlist); 208 } 209 210 static int process_feature_event(struct perf_session *session, 211 union perf_event *event) 212 { 213 struct report *rep = container_of(session->tool, struct report, tool); 214 215 if (event->feat.feat_id < HEADER_LAST_FEATURE) 216 return perf_event__process_feature(session, event); 217 218 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 219 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", 220 event->feat.feat_id); 221 return -1; 222 } 223 224 /* 225 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 226 * means all features are received, now we can force the 227 * group if needed. 228 */ 229 setup_forced_leader(rep, session->evlist); 230 return 0; 231 } 232 233 static int process_sample_event(struct perf_tool *tool, 234 union perf_event *event, 235 struct perf_sample *sample, 236 struct evsel *evsel, 237 struct machine *machine) 238 { 239 struct report *rep = container_of(tool, struct report, tool); 240 struct addr_location al; 241 struct hist_entry_iter iter = { 242 .evsel = evsel, 243 .sample = sample, 244 .hide_unresolved = symbol_conf.hide_unresolved, 245 .add_entry_cb = hist_iter__report_callback, 246 }; 247 int ret = 0; 248 249 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 250 sample->time)) { 251 return 0; 252 } 253 254 if (evswitch__discard(&rep->evswitch, evsel)) 255 return 0; 256 257 if (machine__resolve(machine, &al, sample) < 0) { 258 pr_debug("problem processing %d event, skipping it.\n", 259 event->header.type); 260 return -1; 261 } 262 263 if (symbol_conf.hide_unresolved && al.sym == NULL) 264 goto out_put; 265 266 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 267 goto out_put; 268 269 if (sort__mode == SORT_MODE__BRANCH) { 270 /* 271 * A non-synthesized event might not have a branch stack if 272 * branch stacks have been synthesized (using itrace options). 273 */ 274 if (!sample->branch_stack) 275 goto out_put; 276 277 iter.add_entry_cb = hist_iter__branch_callback; 278 iter.ops = &hist_iter_branch; 279 } else if (rep->mem_mode) { 280 iter.ops = &hist_iter_mem; 281 } else if (symbol_conf.cumulate_callchain) { 282 iter.ops = &hist_iter_cumulative; 283 } else { 284 iter.ops = &hist_iter_normal; 285 } 286 287 if (al.map != NULL) 288 al.map->dso->hit = 1; 289 290 if (ui__has_annotation() || rep->symbol_ipc) { 291 hist__account_cycles(sample->branch_stack, &al, sample, 292 rep->nonany_branch_mode); 293 } 294 295 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 296 if (ret < 0) 297 pr_debug("problem adding hist entry, skipping event\n"); 298 out_put: 299 addr_location__put(&al); 300 return ret; 301 } 302 303 static int process_read_event(struct perf_tool *tool, 304 union perf_event *event, 305 struct perf_sample *sample __maybe_unused, 306 struct evsel *evsel, 307 struct machine *machine __maybe_unused) 308 { 309 struct report *rep = container_of(tool, struct report, tool); 310 311 if (rep->show_threads) { 312 const char *name = perf_evsel__name(evsel); 313 int err = perf_read_values_add_value(&rep->show_threads_values, 314 event->read.pid, event->read.tid, 315 evsel->idx, 316 name, 317 event->read.value); 318 319 if (err) 320 return err; 321 } 322 323 return 0; 324 } 325 326 /* For pipe mode, sample_type is not currently set */ 327 static int report__setup_sample_type(struct report *rep) 328 { 329 struct perf_session *session = rep->session; 330 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 331 bool is_pipe = perf_data__is_pipe(session->data); 332 333 if (session->itrace_synth_opts->callchain || 334 (!is_pipe && 335 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 336 !session->itrace_synth_opts->set)) 337 sample_type |= PERF_SAMPLE_CALLCHAIN; 338 339 if (session->itrace_synth_opts->last_branch) 340 sample_type |= PERF_SAMPLE_BRANCH_STACK; 341 342 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 343 if (perf_hpp_list.parent) { 344 ui__error("Selected --sort parent, but no " 345 "callchain data. Did you call " 346 "'perf record' without -g?\n"); 347 return -EINVAL; 348 } 349 if (symbol_conf.use_callchain && 350 !symbol_conf.show_branchflag_count) { 351 ui__error("Selected -g or --branch-history.\n" 352 "But no callchain or branch data.\n" 353 "Did you call 'perf record' without -g or -b?\n"); 354 return -1; 355 } 356 } else if (!callchain_param.enabled && 357 callchain_param.mode != CHAIN_NONE && 358 !symbol_conf.use_callchain) { 359 symbol_conf.use_callchain = true; 360 if (callchain_register_param(&callchain_param) < 0) { 361 ui__error("Can't register callchain params.\n"); 362 return -EINVAL; 363 } 364 } 365 366 if (symbol_conf.cumulate_callchain) { 367 /* Silently ignore if callchain is missing */ 368 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 369 symbol_conf.cumulate_callchain = false; 370 perf_hpp__cancel_cumulate(); 371 } 372 } 373 374 if (sort__mode == SORT_MODE__BRANCH) { 375 if (!is_pipe && 376 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 377 ui__error("Selected -b but no branch data. " 378 "Did you call perf record without -b?\n"); 379 return -1; 380 } 381 } 382 383 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 384 if ((sample_type & PERF_SAMPLE_REGS_USER) && 385 (sample_type & PERF_SAMPLE_STACK_USER)) { 386 callchain_param.record_mode = CALLCHAIN_DWARF; 387 dwarf_callchain_users = true; 388 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 389 callchain_param.record_mode = CALLCHAIN_LBR; 390 else 391 callchain_param.record_mode = CALLCHAIN_FP; 392 } 393 394 /* ??? handle more cases than just ANY? */ 395 if (!(perf_evlist__combined_branch_type(session->evlist) & 396 PERF_SAMPLE_BRANCH_ANY)) 397 rep->nonany_branch_mode = true; 398 399 return 0; 400 } 401 402 static void sig_handler(int sig __maybe_unused) 403 { 404 session_done = 1; 405 } 406 407 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 408 const char *evname, FILE *fp) 409 { 410 size_t ret; 411 char unit; 412 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 413 u64 nr_events = hists->stats.total_period; 414 struct evsel *evsel = hists_to_evsel(hists); 415 char buf[512]; 416 size_t size = sizeof(buf); 417 int socked_id = hists->socket_filter; 418 419 if (quiet) 420 return 0; 421 422 if (symbol_conf.filter_relative) { 423 nr_samples = hists->stats.nr_non_filtered_samples; 424 nr_events = hists->stats.total_non_filtered_period; 425 } 426 427 if (perf_evsel__is_group_event(evsel)) { 428 struct evsel *pos; 429 430 perf_evsel__group_desc(evsel, buf, size); 431 evname = buf; 432 433 for_each_group_member(pos, evsel) { 434 const struct hists *pos_hists = evsel__hists(pos); 435 436 if (symbol_conf.filter_relative) { 437 nr_samples += pos_hists->stats.nr_non_filtered_samples; 438 nr_events += pos_hists->stats.total_non_filtered_period; 439 } else { 440 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; 441 nr_events += pos_hists->stats.total_period; 442 } 443 } 444 } 445 446 nr_samples = convert_unit(nr_samples, &unit); 447 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 448 if (evname != NULL) { 449 ret += fprintf(fp, " of event%s '%s'", 450 evsel->core.nr_members > 1 ? "s" : "", evname); 451 } 452 453 if (rep->time_str) 454 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 455 456 if (symbol_conf.show_ref_callgraph && 457 strstr(evname, "call-graph=no")) { 458 ret += fprintf(fp, ", show reference callgraph"); 459 } 460 461 if (rep->mem_mode) { 462 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 463 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 464 } else 465 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 466 467 if (socked_id > -1) 468 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 469 470 return ret + fprintf(fp, "\n#\n"); 471 } 472 473 static int perf_evlist__tty_browse_hists(struct evlist *evlist, 474 struct report *rep, 475 const char *help) 476 { 477 struct evsel *pos; 478 479 if (!quiet) { 480 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 481 evlist->stats.total_lost_samples); 482 } 483 484 evlist__for_each_entry(evlist, pos) { 485 struct hists *hists = evsel__hists(pos); 486 const char *evname = perf_evsel__name(pos); 487 488 if (symbol_conf.event_group && 489 !perf_evsel__is_group_leader(pos)) 490 continue; 491 492 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 493 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 494 !(symbol_conf.use_callchain || 495 symbol_conf.show_branchflag_count)); 496 fprintf(stdout, "\n\n"); 497 } 498 499 if (!quiet) 500 fprintf(stdout, "#\n# (%s)\n#\n", help); 501 502 if (rep->show_threads) { 503 bool style = !strcmp(rep->pretty_printing_style, "raw"); 504 perf_read_values_display(stdout, &rep->show_threads_values, 505 style); 506 perf_read_values_destroy(&rep->show_threads_values); 507 } 508 509 if (sort__mode == SORT_MODE__BRANCH) 510 branch_type_stat_display(stdout, &rep->brtype_stat); 511 512 return 0; 513 } 514 515 static void report__warn_kptr_restrict(const struct report *rep) 516 { 517 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 518 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 519 520 if (perf_evlist__exclude_kernel(rep->session->evlist)) 521 return; 522 523 if (kernel_map == NULL || 524 (kernel_map->dso->hit && 525 (kernel_kmap->ref_reloc_sym == NULL || 526 kernel_kmap->ref_reloc_sym->addr == 0))) { 527 const char *desc = 528 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 529 "can't be resolved."; 530 531 if (kernel_map && map__has_symbols(kernel_map)) { 532 desc = "If some relocation was applied (e.g. " 533 "kexec) symbols may be misresolved."; 534 } 535 536 ui__warning( 537 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 538 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 539 "Samples in kernel modules can't be resolved as well.\n\n", 540 desc); 541 } 542 } 543 544 static int report__gtk_browse_hists(struct report *rep, const char *help) 545 { 546 int (*hist_browser)(struct evlist *evlist, const char *help, 547 struct hist_browser_timer *timer, float min_pcnt); 548 549 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); 550 551 if (hist_browser == NULL) { 552 ui__error("GTK browser not found!\n"); 553 return -1; 554 } 555 556 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 557 } 558 559 static int report__browse_hists(struct report *rep) 560 { 561 int ret; 562 struct perf_session *session = rep->session; 563 struct evlist *evlist = session->evlist; 564 const char *help = perf_tip(system_path(TIPDIR)); 565 566 if (help == NULL) { 567 /* fallback for people who don't install perf ;-) */ 568 help = perf_tip(DOCDIR); 569 if (help == NULL) 570 help = "Cannot load tips.txt file, please install perf!"; 571 } 572 573 switch (use_browser) { 574 case 1: 575 ret = perf_evlist__tui_browse_hists(evlist, help, NULL, 576 rep->min_percent, 577 &session->header.env, 578 true, &rep->annotation_opts); 579 /* 580 * Usually "ret" is the last pressed key, and we only 581 * care if the key notifies us to switch data file. 582 */ 583 if (ret != K_SWITCH_INPUT_DATA) 584 ret = 0; 585 break; 586 case 2: 587 ret = report__gtk_browse_hists(rep, help); 588 break; 589 default: 590 ret = perf_evlist__tty_browse_hists(evlist, rep, help); 591 break; 592 } 593 594 return ret; 595 } 596 597 static int report__collapse_hists(struct report *rep) 598 { 599 struct ui_progress prog; 600 struct evsel *pos; 601 int ret = 0; 602 603 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 604 605 evlist__for_each_entry(rep->session->evlist, pos) { 606 struct hists *hists = evsel__hists(pos); 607 608 if (pos->idx == 0) 609 hists->symbol_filter_str = rep->symbol_filter_str; 610 611 hists->socket_filter = rep->socket_filter; 612 613 ret = hists__collapse_resort(hists, &prog); 614 if (ret < 0) 615 break; 616 617 /* Non-group events are considered as leader */ 618 if (symbol_conf.event_group && 619 !perf_evsel__is_group_leader(pos)) { 620 struct hists *leader_hists = evsel__hists(pos->leader); 621 622 hists__match(leader_hists, hists); 623 hists__link(leader_hists, hists); 624 } 625 } 626 627 ui_progress__finish(); 628 return ret; 629 } 630 631 static int hists__resort_cb(struct hist_entry *he, void *arg) 632 { 633 struct report *rep = arg; 634 struct symbol *sym = he->ms.sym; 635 636 if (rep->symbol_ipc && sym && !sym->annotate2) { 637 struct evsel *evsel = hists_to_evsel(he->hists); 638 639 symbol__annotate2(sym, he->ms.map, evsel, 640 &annotation__default_options, NULL); 641 } 642 643 return 0; 644 } 645 646 static void report__output_resort(struct report *rep) 647 { 648 struct ui_progress prog; 649 struct evsel *pos; 650 651 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 652 653 evlist__for_each_entry(rep->session->evlist, pos) { 654 perf_evsel__output_resort_cb(pos, &prog, 655 hists__resort_cb, rep); 656 } 657 658 ui_progress__finish(); 659 } 660 661 static void stats_setup(struct report *rep) 662 { 663 memset(&rep->tool, 0, sizeof(rep->tool)); 664 rep->tool.no_warn = true; 665 } 666 667 static int stats_print(struct report *rep) 668 { 669 struct perf_session *session = rep->session; 670 671 perf_session__fprintf_nr_events(session, stdout); 672 return 0; 673 } 674 675 static void tasks_setup(struct report *rep) 676 { 677 memset(&rep->tool, 0, sizeof(rep->tool)); 678 rep->tool.ordered_events = true; 679 if (rep->mmaps_mode) { 680 rep->tool.mmap = perf_event__process_mmap; 681 rep->tool.mmap2 = perf_event__process_mmap2; 682 } 683 rep->tool.comm = perf_event__process_comm; 684 rep->tool.exit = perf_event__process_exit; 685 rep->tool.fork = perf_event__process_fork; 686 rep->tool.no_warn = true; 687 } 688 689 struct task { 690 struct thread *thread; 691 struct list_head list; 692 struct list_head children; 693 }; 694 695 static struct task *tasks_list(struct task *task, struct machine *machine) 696 { 697 struct thread *parent_thread, *thread = task->thread; 698 struct task *parent_task; 699 700 /* Already listed. */ 701 if (!list_empty(&task->list)) 702 return NULL; 703 704 /* Last one in the chain. */ 705 if (thread->ppid == -1) 706 return task; 707 708 parent_thread = machine__find_thread(machine, -1, thread->ppid); 709 if (!parent_thread) 710 return ERR_PTR(-ENOENT); 711 712 parent_task = thread__priv(parent_thread); 713 list_add_tail(&task->list, &parent_task->children); 714 return tasks_list(parent_task, machine); 715 } 716 717 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 718 { 719 size_t printed = 0; 720 struct rb_node *nd; 721 722 for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { 723 struct map *map = rb_entry(nd, struct map, rb_node); 724 725 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 726 indent, "", map->start, map->end, 727 map->prot & PROT_READ ? 'r' : '-', 728 map->prot & PROT_WRITE ? 'w' : '-', 729 map->prot & PROT_EXEC ? 'x' : '-', 730 map->flags & MAP_SHARED ? 's' : 'p', 731 map->pgoff, 732 map->ino, map->dso->name); 733 } 734 735 return printed; 736 } 737 738 static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) 739 { 740 return maps__fprintf_task(&mg->maps, indent, fp); 741 } 742 743 static void task__print_level(struct task *task, FILE *fp, int level) 744 { 745 struct thread *thread = task->thread; 746 struct task *child; 747 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 748 thread->pid_, thread->tid, thread->ppid, 749 level, ""); 750 751 fprintf(fp, "%s\n", thread__comm_str(thread)); 752 753 map_groups__fprintf_task(thread->mg, comm_indent, fp); 754 755 if (!list_empty(&task->children)) { 756 list_for_each_entry(child, &task->children, list) 757 task__print_level(child, fp, level + 1); 758 } 759 } 760 761 static int tasks_print(struct report *rep, FILE *fp) 762 { 763 struct perf_session *session = rep->session; 764 struct machine *machine = &session->machines.host; 765 struct task *tasks, *task; 766 unsigned int nr = 0, itask = 0, i; 767 struct rb_node *nd; 768 LIST_HEAD(list); 769 770 /* 771 * No locking needed while accessing machine->threads, 772 * because --tasks is single threaded command. 773 */ 774 775 /* Count all the threads. */ 776 for (i = 0; i < THREADS__TABLE_SIZE; i++) 777 nr += machine->threads[i].nr; 778 779 tasks = malloc(sizeof(*tasks) * nr); 780 if (!tasks) 781 return -ENOMEM; 782 783 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 784 struct threads *threads = &machine->threads[i]; 785 786 for (nd = rb_first_cached(&threads->entries); nd; 787 nd = rb_next(nd)) { 788 task = tasks + itask++; 789 790 task->thread = rb_entry(nd, struct thread, rb_node); 791 INIT_LIST_HEAD(&task->children); 792 INIT_LIST_HEAD(&task->list); 793 thread__set_priv(task->thread, task); 794 } 795 } 796 797 /* 798 * Iterate every task down to the unprocessed parent 799 * and link all in task children list. Task with no 800 * parent is added into 'list'. 801 */ 802 for (itask = 0; itask < nr; itask++) { 803 task = tasks + itask; 804 805 if (!list_empty(&task->list)) 806 continue; 807 808 task = tasks_list(task, machine); 809 if (IS_ERR(task)) { 810 pr_err("Error: failed to process tasks\n"); 811 free(tasks); 812 return PTR_ERR(task); 813 } 814 815 if (task) 816 list_add_tail(&task->list, &list); 817 } 818 819 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 820 821 list_for_each_entry(task, &list, list) 822 task__print_level(task, fp, 0); 823 824 free(tasks); 825 return 0; 826 } 827 828 static int __cmd_report(struct report *rep) 829 { 830 int ret; 831 struct perf_session *session = rep->session; 832 struct evsel *pos; 833 struct perf_data *data = session->data; 834 835 signal(SIGINT, sig_handler); 836 837 if (rep->cpu_list) { 838 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 839 rep->cpu_bitmap); 840 if (ret) { 841 ui__error("failed to set cpu bitmap\n"); 842 return ret; 843 } 844 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 845 } 846 847 if (rep->show_threads) { 848 ret = perf_read_values_init(&rep->show_threads_values); 849 if (ret) 850 return ret; 851 } 852 853 ret = report__setup_sample_type(rep); 854 if (ret) { 855 /* report__setup_sample_type() already showed error message */ 856 return ret; 857 } 858 859 if (rep->stats_mode) 860 stats_setup(rep); 861 862 if (rep->tasks_mode) 863 tasks_setup(rep); 864 865 ret = perf_session__process_events(session); 866 if (ret) { 867 ui__error("failed to process sample\n"); 868 return ret; 869 } 870 871 if (rep->stats_mode) 872 return stats_print(rep); 873 874 if (rep->tasks_mode) 875 return tasks_print(rep, stdout); 876 877 report__warn_kptr_restrict(rep); 878 879 evlist__for_each_entry(session->evlist, pos) 880 rep->nr_entries += evsel__hists(pos)->nr_entries; 881 882 if (use_browser == 0) { 883 if (verbose > 3) 884 perf_session__fprintf(session, stdout); 885 886 if (verbose > 2) 887 perf_session__fprintf_dsos(session, stdout); 888 889 if (dump_trace) { 890 perf_session__fprintf_nr_events(session, stdout); 891 perf_evlist__fprintf_nr_events(session->evlist, stdout); 892 return 0; 893 } 894 } 895 896 ret = report__collapse_hists(rep); 897 if (ret) { 898 ui__error("failed to process hist entry\n"); 899 return ret; 900 } 901 902 if (session_done()) 903 return 0; 904 905 /* 906 * recalculate number of entries after collapsing since it 907 * might be changed during the collapse phase. 908 */ 909 rep->nr_entries = 0; 910 evlist__for_each_entry(session->evlist, pos) 911 rep->nr_entries += evsel__hists(pos)->nr_entries; 912 913 if (rep->nr_entries == 0) { 914 ui__error("The %s data has no samples!\n", data->path); 915 return 0; 916 } 917 918 report__output_resort(rep); 919 920 return report__browse_hists(rep); 921 } 922 923 static int 924 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 925 { 926 struct callchain_param *callchain = opt->value; 927 928 callchain->enabled = !unset; 929 /* 930 * --no-call-graph 931 */ 932 if (unset) { 933 symbol_conf.use_callchain = false; 934 callchain->mode = CHAIN_NONE; 935 return 0; 936 } 937 938 return parse_callchain_report_opt(arg); 939 } 940 941 static int 942 parse_time_quantum(const struct option *opt, const char *arg, 943 int unset __maybe_unused) 944 { 945 unsigned long *time_q = opt->value; 946 char *end; 947 948 *time_q = strtoul(arg, &end, 0); 949 if (end == arg) 950 goto parse_err; 951 if (*time_q == 0) { 952 pr_err("time quantum cannot be 0"); 953 return -1; 954 } 955 end = skip_spaces(end); 956 if (*end == 0) 957 return 0; 958 if (!strcmp(end, "s")) { 959 *time_q *= NSEC_PER_SEC; 960 return 0; 961 } 962 if (!strcmp(end, "ms")) { 963 *time_q *= NSEC_PER_MSEC; 964 return 0; 965 } 966 if (!strcmp(end, "us")) { 967 *time_q *= NSEC_PER_USEC; 968 return 0; 969 } 970 if (!strcmp(end, "ns")) 971 return 0; 972 parse_err: 973 pr_err("Cannot parse time quantum `%s'\n", arg); 974 return -1; 975 } 976 977 int 978 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 979 const char *arg, int unset __maybe_unused) 980 { 981 if (arg) { 982 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 983 if (err) { 984 char buf[BUFSIZ]; 985 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 986 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 987 return -1; 988 } 989 have_ignore_callees = 1; 990 } 991 992 return 0; 993 } 994 995 static int 996 parse_branch_mode(const struct option *opt, 997 const char *str __maybe_unused, int unset) 998 { 999 int *branch_mode = opt->value; 1000 1001 *branch_mode = !unset; 1002 return 0; 1003 } 1004 1005 static int 1006 parse_percent_limit(const struct option *opt, const char *str, 1007 int unset __maybe_unused) 1008 { 1009 struct report *rep = opt->value; 1010 double pcnt = strtof(str, NULL); 1011 1012 rep->min_percent = pcnt; 1013 callchain_param.min_percent = pcnt; 1014 return 0; 1015 } 1016 1017 int cmd_report(int argc, const char **argv) 1018 { 1019 struct perf_session *session; 1020 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1021 struct stat st; 1022 bool has_br_stack = false; 1023 int branch_mode = -1; 1024 bool branch_call_mode = false; 1025 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1026 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1027 CALLCHAIN_REPORT_HELP 1028 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1029 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1030 const char * const report_usage[] = { 1031 "perf report [<options>]", 1032 NULL 1033 }; 1034 struct report report = { 1035 .tool = { 1036 .sample = process_sample_event, 1037 .mmap = perf_event__process_mmap, 1038 .mmap2 = perf_event__process_mmap2, 1039 .comm = perf_event__process_comm, 1040 .namespaces = perf_event__process_namespaces, 1041 .exit = perf_event__process_exit, 1042 .fork = perf_event__process_fork, 1043 .lost = perf_event__process_lost, 1044 .read = process_read_event, 1045 .attr = perf_event__process_attr, 1046 .tracing_data = perf_event__process_tracing_data, 1047 .build_id = perf_event__process_build_id, 1048 .id_index = perf_event__process_id_index, 1049 .auxtrace_info = perf_event__process_auxtrace_info, 1050 .auxtrace = perf_event__process_auxtrace, 1051 .event_update = perf_event__process_event_update, 1052 .feature = process_feature_event, 1053 .ordered_events = true, 1054 .ordering_requires_timestamps = true, 1055 }, 1056 .max_stack = PERF_MAX_STACK_DEPTH, 1057 .pretty_printing_style = "normal", 1058 .socket_filter = -1, 1059 .annotation_opts = annotation__default_options, 1060 }; 1061 const struct option options[] = { 1062 OPT_STRING('i', "input", &input_name, "file", 1063 "input file name"), 1064 OPT_INCR('v', "verbose", &verbose, 1065 "be more verbose (show symbol address, etc)"), 1066 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 1067 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1068 "dump raw trace in ASCII"), 1069 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1070 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1071 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1072 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1073 "file", "vmlinux pathname"), 1074 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1075 "don't load vmlinux even if found"), 1076 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1077 "file", "kallsyms pathname"), 1078 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1079 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1080 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1081 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1082 "Show a column with the number of samples"), 1083 OPT_BOOLEAN('T', "threads", &report.show_threads, 1084 "Show per-thread event counters"), 1085 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1086 "pretty printing style key: normal raw"), 1087 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1088 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1089 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1090 "Use the stdio interface"), 1091 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1092 OPT_BOOLEAN(0, "header-only", &report.header_only, 1093 "Show only data header."), 1094 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1095 sort_help("sort by key(s):")), 1096 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1097 sort_help("output field(s): overhead period sample ")), 1098 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1099 "Show sample percentage for different cpu modes"), 1100 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1101 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1102 OPT_STRING('p', "parent", &parent_pattern, "regex", 1103 "regex filter to identify parent, see: '--sort parent'"), 1104 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1105 "Only display entries with parent-match"), 1106 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1107 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1108 report_callchain_help, &report_parse_callchain_opt, 1109 callchain_default_opt), 1110 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1111 "Accumulate callchains of children and show total overhead as well"), 1112 OPT_INTEGER(0, "max-stack", &report.max_stack, 1113 "Set the maximum stack depth when parsing the callchain, " 1114 "anything beyond the specified depth will be ignored. " 1115 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1116 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1117 "alias for inverted call graph"), 1118 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1119 "ignore callees of these functions in call graphs", 1120 report_parse_ignore_callees_opt), 1121 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1122 "only consider symbols in these dsos"), 1123 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1124 "only consider symbols in these comms"), 1125 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1126 "only consider symbols in these pids"), 1127 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1128 "only consider symbols in these tids"), 1129 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1130 "only consider these symbols"), 1131 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1132 "only show symbols that (partially) match with this filter"), 1133 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1134 "width[,width...]", 1135 "don't try to adjust column width, use these fixed values"), 1136 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1137 "separator for columns, no spaces will be added between " 1138 "columns '.' is reserved."), 1139 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1140 "Only display entries resolved to a symbol"), 1141 OPT_CALLBACK(0, "symfs", NULL, "directory", 1142 "Look for files with symbols relative to this directory", 1143 symbol__config_symfs), 1144 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1145 "list of cpus to profile"), 1146 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1147 "Display extended information about perf.data file"), 1148 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1149 "Interleave source code with assembly code (default)"), 1150 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1151 "Display raw encoding of assembly instructions (default)"), 1152 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1153 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1154 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1155 "Show a column with the sum of periods"), 1156 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1157 "Show event group information together"), 1158 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1159 "use branch records for per branch histogram filling", 1160 parse_branch_mode), 1161 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1162 "add last branch records to call history"), 1163 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1164 "objdump binary to use for disassembly and annotations"), 1165 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1166 "Disable symbol demangling"), 1167 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1168 "Enable kernel symbol demangling"), 1169 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1170 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1171 "Number of samples to save per histogram entry for individual browsing"), 1172 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1173 "Don't show entries under that percent", parse_percent_limit), 1174 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1175 "how to display percentage of filtered entries", parse_filter_percentage), 1176 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1177 "Instruction Tracing options\n" ITRACE_HELP, 1178 itrace_parse_synth_opts), 1179 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1180 "Show full source file name path for source lines"), 1181 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1182 "Show callgraph from reference event"), 1183 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1184 "only show processor socket that match with this filter"), 1185 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1186 "Show raw trace event output (do not use print fmt or plugins)"), 1187 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1188 "Show entries in a hierarchy"), 1189 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1190 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1191 stdio__config_color, "always"), 1192 OPT_STRING(0, "time", &report.time_str, "str", 1193 "Time span of interest (start,stop)"), 1194 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1195 "Show inline function"), 1196 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1197 "Set percent type local/global-period/hits", 1198 annotate_parse_percent_type), 1199 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1200 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1201 "Set time quantum for time sort key (default 100ms)", 1202 parse_time_quantum), 1203 OPTS_EVSWITCH(&report.evswitch), 1204 OPT_END() 1205 }; 1206 struct perf_data data = { 1207 .mode = PERF_DATA_MODE_READ, 1208 }; 1209 int ret = hists__init(); 1210 char sort_tmp[128]; 1211 1212 if (ret < 0) 1213 return ret; 1214 1215 ret = perf_config(report__config, &report); 1216 if (ret) 1217 return ret; 1218 1219 argc = parse_options(argc, argv, options, report_usage, 0); 1220 if (argc) { 1221 /* 1222 * Special case: if there's an argument left then assume that 1223 * it's a symbol filter: 1224 */ 1225 if (argc > 1) 1226 usage_with_options(report_usage, options); 1227 1228 report.symbol_filter_str = argv[0]; 1229 } 1230 1231 if (report.mmaps_mode) 1232 report.tasks_mode = true; 1233 1234 if (quiet) 1235 perf_quiet_option(); 1236 1237 if (symbol_conf.vmlinux_name && 1238 access(symbol_conf.vmlinux_name, R_OK)) { 1239 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); 1240 return -EINVAL; 1241 } 1242 if (symbol_conf.kallsyms_name && 1243 access(symbol_conf.kallsyms_name, R_OK)) { 1244 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); 1245 return -EINVAL; 1246 } 1247 1248 if (report.inverted_callchain) 1249 callchain_param.order = ORDER_CALLER; 1250 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1251 callchain_param.order = ORDER_CALLER; 1252 1253 if (itrace_synth_opts.callchain && 1254 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1255 report.max_stack = itrace_synth_opts.callchain_sz; 1256 1257 if (!input_name || !strlen(input_name)) { 1258 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1259 input_name = "-"; 1260 else 1261 input_name = "perf.data"; 1262 } 1263 1264 data.path = input_name; 1265 data.force = symbol_conf.force; 1266 1267 repeat: 1268 session = perf_session__new(&data, false, &report.tool); 1269 if (session == NULL) 1270 return -1; 1271 1272 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1273 if (ret) 1274 return ret; 1275 1276 if (zstd_init(&(session->zstd_data), 0) < 0) 1277 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1278 1279 if (report.queue_size) { 1280 ordered_events__set_alloc_size(&session->ordered_events, 1281 report.queue_size); 1282 } 1283 1284 session->itrace_synth_opts = &itrace_synth_opts; 1285 1286 report.session = session; 1287 1288 has_br_stack = perf_header__has_feat(&session->header, 1289 HEADER_BRANCH_STACK); 1290 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1291 has_br_stack = false; 1292 1293 setup_forced_leader(&report, session->evlist); 1294 1295 if (itrace_synth_opts.last_branch) 1296 has_br_stack = true; 1297 1298 if (has_br_stack && branch_call_mode) 1299 symbol_conf.show_branchflag_count = true; 1300 1301 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1302 1303 /* 1304 * Branch mode is a tristate: 1305 * -1 means default, so decide based on the file having branch data. 1306 * 0/1 means the user chose a mode. 1307 */ 1308 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1309 !branch_call_mode) { 1310 sort__mode = SORT_MODE__BRANCH; 1311 symbol_conf.cumulate_callchain = false; 1312 } 1313 if (branch_call_mode) { 1314 callchain_param.key = CCKEY_ADDRESS; 1315 callchain_param.branch_callstack = 1; 1316 symbol_conf.use_callchain = true; 1317 callchain_register_param(&callchain_param); 1318 if (sort_order == NULL) 1319 sort_order = "srcline,symbol,dso"; 1320 } 1321 1322 if (report.mem_mode) { 1323 if (sort__mode == SORT_MODE__BRANCH) { 1324 pr_err("branch and mem mode incompatible\n"); 1325 goto error; 1326 } 1327 sort__mode = SORT_MODE__MEMORY; 1328 symbol_conf.cumulate_callchain = false; 1329 } 1330 1331 if (symbol_conf.report_hierarchy) { 1332 /* disable incompatible options */ 1333 symbol_conf.cumulate_callchain = false; 1334 1335 if (field_order) { 1336 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1337 parse_options_usage(report_usage, options, "F", 1); 1338 parse_options_usage(NULL, options, "hierarchy", 0); 1339 goto error; 1340 } 1341 1342 perf_hpp_list.need_collapse = true; 1343 } 1344 1345 if (report.use_stdio) 1346 use_browser = 0; 1347 else if (report.use_tui) 1348 use_browser = 1; 1349 else if (report.use_gtk) 1350 use_browser = 2; 1351 1352 /* Force tty output for header output and per-thread stat. */ 1353 if (report.header || report.header_only || report.show_threads) 1354 use_browser = 0; 1355 if (report.header || report.header_only) 1356 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1357 if (report.show_full_info) 1358 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1359 if (report.stats_mode || report.tasks_mode) 1360 use_browser = 0; 1361 if (report.stats_mode && report.tasks_mode) { 1362 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1363 goto error; 1364 } 1365 1366 if (strcmp(input_name, "-") != 0) 1367 setup_browser(true); 1368 else 1369 use_browser = 0; 1370 1371 if (sort_order && strstr(sort_order, "ipc")) { 1372 parse_options_usage(report_usage, options, "s", 1); 1373 goto error; 1374 } 1375 1376 if (sort_order && strstr(sort_order, "symbol")) { 1377 if (sort__mode == SORT_MODE__BRANCH) { 1378 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1379 sort_order, "ipc_lbr"); 1380 report.symbol_ipc = true; 1381 } else { 1382 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1383 sort_order, "ipc_null"); 1384 } 1385 1386 sort_order = sort_tmp; 1387 } 1388 1389 if (setup_sorting(session->evlist) < 0) { 1390 if (sort_order) 1391 parse_options_usage(report_usage, options, "s", 1); 1392 if (field_order) 1393 parse_options_usage(sort_order ? NULL : report_usage, 1394 options, "F", 1); 1395 goto error; 1396 } 1397 1398 if ((report.header || report.header_only) && !quiet) { 1399 perf_session__fprintf_info(session, stdout, 1400 report.show_full_info); 1401 if (report.header_only) { 1402 ret = 0; 1403 goto error; 1404 } 1405 } else if (use_browser == 0 && !quiet && 1406 !report.stats_mode && !report.tasks_mode) { 1407 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1408 stdout); 1409 } 1410 1411 /* 1412 * Only in the TUI browser we are doing integrated annotation, 1413 * so don't allocate extra space that won't be used in the stdio 1414 * implementation. 1415 */ 1416 if (ui__has_annotation() || report.symbol_ipc) { 1417 ret = symbol__annotation_init(); 1418 if (ret < 0) 1419 goto error; 1420 /* 1421 * For searching by name on the "Browse map details". 1422 * providing it only in verbose mode not to bloat too 1423 * much struct symbol. 1424 */ 1425 if (verbose > 0) { 1426 /* 1427 * XXX: Need to provide a less kludgy way to ask for 1428 * more space per symbol, the u32 is for the index on 1429 * the ui browser. 1430 * See symbol__browser_index. 1431 */ 1432 symbol_conf.priv_size += sizeof(u32); 1433 symbol_conf.sort_by_name = true; 1434 } 1435 annotation_config__init(); 1436 } 1437 1438 if (symbol__init(&session->header.env) < 0) 1439 goto error; 1440 1441 if (report.time_str) { 1442 ret = perf_time__parse_for_ranges(report.time_str, session, 1443 &report.ptime_range, 1444 &report.range_size, 1445 &report.range_num); 1446 if (ret < 0) 1447 goto error; 1448 1449 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1450 report.ptime_range, 1451 report.range_num); 1452 } 1453 1454 if (session->tevent.pevent && 1455 tep_set_function_resolver(session->tevent.pevent, 1456 machine__resolve_kernel_addr, 1457 &session->machines.host) < 0) { 1458 pr_err("%s: failed to set libtraceevent function resolver\n", 1459 __func__); 1460 return -1; 1461 } 1462 1463 sort__setup_elide(stdout); 1464 1465 ret = __cmd_report(&report); 1466 if (ret == K_SWITCH_INPUT_DATA) { 1467 perf_session__delete(session); 1468 goto repeat; 1469 } else 1470 ret = 0; 1471 1472 error: 1473 if (report.ptime_range) { 1474 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1475 zfree(&report.ptime_range); 1476 } 1477 zstd_fini(&(session->zstd_data)); 1478 perf_session__delete(session); 1479 return ret; 1480 } 1481