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/map_symbol.h" 23 #include "util/mem-events.h" 24 #include "util/branch.h" 25 #include "util/callchain.h" 26 #include "util/values.h" 27 28 #include "perf.h" 29 #include "util/debug.h" 30 #include "util/evlist.h" 31 #include "util/evsel.h" 32 #include "util/evswitch.h" 33 #include "util/header.h" 34 #include "util/session.h" 35 #include "util/srcline.h" 36 #include "util/tool.h" 37 38 #include <subcmd/parse-options.h> 39 #include <subcmd/exec-cmd.h> 40 #include "util/parse-events.h" 41 42 #include "util/thread.h" 43 #include "util/sort.h" 44 #include "util/hist.h" 45 #include "util/data.h" 46 #include "arch/common.h" 47 #include "util/time-utils.h" 48 #include "util/auxtrace.h" 49 #include "util/units.h" 50 #include "util/branch.h" 51 #include "util/util.h" // perf_tip() 52 #include "ui/ui.h" 53 #include "ui/progress.h" 54 #include "util/block-info.h" 55 56 #include <dlfcn.h> 57 #include <errno.h> 58 #include <inttypes.h> 59 #include <regex.h> 60 #include <linux/ctype.h> 61 #include <signal.h> 62 #include <linux/bitmap.h> 63 #include <linux/string.h> 64 #include <linux/stringify.h> 65 #include <linux/time64.h> 66 #include <sys/types.h> 67 #include <sys/stat.h> 68 #include <unistd.h> 69 #include <linux/mman.h> 70 71 struct report { 72 struct perf_tool tool; 73 struct perf_session *session; 74 struct evswitch evswitch; 75 bool use_tui, use_gtk, use_stdio; 76 bool show_full_info; 77 bool show_threads; 78 bool inverted_callchain; 79 bool mem_mode; 80 bool stats_mode; 81 bool tasks_mode; 82 bool mmaps_mode; 83 bool header; 84 bool header_only; 85 bool nonany_branch_mode; 86 bool group_set; 87 int max_stack; 88 struct perf_read_values show_threads_values; 89 struct annotation_options annotation_opts; 90 const char *pretty_printing_style; 91 const char *cpu_list; 92 const char *symbol_filter_str; 93 const char *time_str; 94 struct perf_time_interval *ptime_range; 95 int range_size; 96 int range_num; 97 float min_percent; 98 u64 nr_entries; 99 u64 queue_size; 100 u64 total_cycles; 101 int socket_filter; 102 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 103 struct branch_type_stat brtype_stat; 104 bool symbol_ipc; 105 bool total_cycles_mode; 106 struct block_report *block_reports; 107 }; 108 109 static int report__config(const char *var, const char *value, void *cb) 110 { 111 struct report *rep = cb; 112 113 if (!strcmp(var, "report.group")) { 114 symbol_conf.event_group = perf_config_bool(var, value); 115 return 0; 116 } 117 if (!strcmp(var, "report.percent-limit")) { 118 double pcnt = strtof(value, NULL); 119 120 rep->min_percent = pcnt; 121 callchain_param.min_percent = pcnt; 122 return 0; 123 } 124 if (!strcmp(var, "report.children")) { 125 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 126 return 0; 127 } 128 if (!strcmp(var, "report.queue-size")) 129 return perf_config_u64(&rep->queue_size, var, value); 130 131 if (!strcmp(var, "report.sort_order")) { 132 default_sort_order = strdup(value); 133 return 0; 134 } 135 136 return 0; 137 } 138 139 static int hist_iter__report_callback(struct hist_entry_iter *iter, 140 struct addr_location *al, bool single, 141 void *arg) 142 { 143 int err = 0; 144 struct report *rep = arg; 145 struct hist_entry *he = iter->he; 146 struct evsel *evsel = iter->evsel; 147 struct perf_sample *sample = iter->sample; 148 struct mem_info *mi; 149 struct branch_info *bi; 150 151 if (!ui__has_annotation() && !rep->symbol_ipc) 152 return 0; 153 154 if (sort__mode == SORT_MODE__BRANCH) { 155 bi = he->branch_info; 156 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 157 if (err) 158 goto out; 159 160 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 161 162 } else if (rep->mem_mode) { 163 mi = he->mem_info; 164 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 165 if (err) 166 goto out; 167 168 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 169 170 } else if (symbol_conf.cumulate_callchain) { 171 if (single) 172 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 173 } else { 174 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 175 } 176 177 out: 178 return err; 179 } 180 181 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 182 struct addr_location *al __maybe_unused, 183 bool single __maybe_unused, 184 void *arg) 185 { 186 struct hist_entry *he = iter->he; 187 struct report *rep = arg; 188 struct branch_info *bi; 189 struct perf_sample *sample = iter->sample; 190 struct evsel *evsel = iter->evsel; 191 int err; 192 193 if (!ui__has_annotation() && !rep->symbol_ipc) 194 return 0; 195 196 bi = he->branch_info; 197 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 198 if (err) 199 goto out; 200 201 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 202 203 branch_type_count(&rep->brtype_stat, &bi->flags, 204 bi->from.addr, bi->to.addr); 205 206 out: 207 return err; 208 } 209 210 static void setup_forced_leader(struct report *report, 211 struct evlist *evlist) 212 { 213 if (report->group_set) 214 perf_evlist__force_leader(evlist); 215 } 216 217 static int process_feature_event(struct perf_session *session, 218 union perf_event *event) 219 { 220 struct report *rep = container_of(session->tool, struct report, tool); 221 222 if (event->feat.feat_id < HEADER_LAST_FEATURE) 223 return perf_event__process_feature(session, event); 224 225 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 226 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", 227 event->feat.feat_id); 228 return -1; 229 } 230 231 /* 232 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 233 * means all features are received, now we can force the 234 * group if needed. 235 */ 236 setup_forced_leader(rep, session->evlist); 237 return 0; 238 } 239 240 static int process_sample_event(struct perf_tool *tool, 241 union perf_event *event, 242 struct perf_sample *sample, 243 struct evsel *evsel, 244 struct machine *machine) 245 { 246 struct report *rep = container_of(tool, struct report, tool); 247 struct addr_location al; 248 struct hist_entry_iter iter = { 249 .evsel = evsel, 250 .sample = sample, 251 .hide_unresolved = symbol_conf.hide_unresolved, 252 .add_entry_cb = hist_iter__report_callback, 253 }; 254 int ret = 0; 255 256 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 257 sample->time)) { 258 return 0; 259 } 260 261 if (evswitch__discard(&rep->evswitch, evsel)) 262 return 0; 263 264 if (machine__resolve(machine, &al, sample) < 0) { 265 pr_debug("problem processing %d event, skipping it.\n", 266 event->header.type); 267 return -1; 268 } 269 270 if (symbol_conf.hide_unresolved && al.sym == NULL) 271 goto out_put; 272 273 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 274 goto out_put; 275 276 if (sort__mode == SORT_MODE__BRANCH) { 277 /* 278 * A non-synthesized event might not have a branch stack if 279 * branch stacks have been synthesized (using itrace options). 280 */ 281 if (!sample->branch_stack) 282 goto out_put; 283 284 iter.add_entry_cb = hist_iter__branch_callback; 285 iter.ops = &hist_iter_branch; 286 } else if (rep->mem_mode) { 287 iter.ops = &hist_iter_mem; 288 } else if (symbol_conf.cumulate_callchain) { 289 iter.ops = &hist_iter_cumulative; 290 } else { 291 iter.ops = &hist_iter_normal; 292 } 293 294 if (al.map != NULL) 295 al.map->dso->hit = 1; 296 297 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { 298 hist__account_cycles(sample->branch_stack, &al, sample, 299 rep->nonany_branch_mode, 300 &rep->total_cycles); 301 } 302 303 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 304 if (ret < 0) 305 pr_debug("problem adding hist entry, skipping event\n"); 306 out_put: 307 addr_location__put(&al); 308 return ret; 309 } 310 311 static int process_read_event(struct perf_tool *tool, 312 union perf_event *event, 313 struct perf_sample *sample __maybe_unused, 314 struct evsel *evsel, 315 struct machine *machine __maybe_unused) 316 { 317 struct report *rep = container_of(tool, struct report, tool); 318 319 if (rep->show_threads) { 320 const char *name = perf_evsel__name(evsel); 321 int err = perf_read_values_add_value(&rep->show_threads_values, 322 event->read.pid, event->read.tid, 323 evsel->idx, 324 name, 325 event->read.value); 326 327 if (err) 328 return err; 329 } 330 331 return 0; 332 } 333 334 /* For pipe mode, sample_type is not currently set */ 335 static int report__setup_sample_type(struct report *rep) 336 { 337 struct perf_session *session = rep->session; 338 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 339 bool is_pipe = perf_data__is_pipe(session->data); 340 341 if (session->itrace_synth_opts->callchain || 342 (!is_pipe && 343 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 344 !session->itrace_synth_opts->set)) 345 sample_type |= PERF_SAMPLE_CALLCHAIN; 346 347 if (session->itrace_synth_opts->last_branch) 348 sample_type |= PERF_SAMPLE_BRANCH_STACK; 349 350 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 351 if (perf_hpp_list.parent) { 352 ui__error("Selected --sort parent, but no " 353 "callchain data. Did you call " 354 "'perf record' without -g?\n"); 355 return -EINVAL; 356 } 357 if (symbol_conf.use_callchain && 358 !symbol_conf.show_branchflag_count) { 359 ui__error("Selected -g or --branch-history.\n" 360 "But no callchain or branch data.\n" 361 "Did you call 'perf record' without -g or -b?\n"); 362 return -1; 363 } 364 } else if (!callchain_param.enabled && 365 callchain_param.mode != CHAIN_NONE && 366 !symbol_conf.use_callchain) { 367 symbol_conf.use_callchain = true; 368 if (callchain_register_param(&callchain_param) < 0) { 369 ui__error("Can't register callchain params.\n"); 370 return -EINVAL; 371 } 372 } 373 374 if (symbol_conf.cumulate_callchain) { 375 /* Silently ignore if callchain is missing */ 376 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 377 symbol_conf.cumulate_callchain = false; 378 perf_hpp__cancel_cumulate(); 379 } 380 } 381 382 if (sort__mode == SORT_MODE__BRANCH) { 383 if (!is_pipe && 384 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 385 ui__error("Selected -b but no branch data. " 386 "Did you call perf record without -b?\n"); 387 return -1; 388 } 389 } 390 391 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 392 if ((sample_type & PERF_SAMPLE_REGS_USER) && 393 (sample_type & PERF_SAMPLE_STACK_USER)) { 394 callchain_param.record_mode = CALLCHAIN_DWARF; 395 dwarf_callchain_users = true; 396 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 397 callchain_param.record_mode = CALLCHAIN_LBR; 398 else 399 callchain_param.record_mode = CALLCHAIN_FP; 400 } 401 402 /* ??? handle more cases than just ANY? */ 403 if (!(perf_evlist__combined_branch_type(session->evlist) & 404 PERF_SAMPLE_BRANCH_ANY)) 405 rep->nonany_branch_mode = true; 406 407 #ifndef HAVE_LIBUNWIND_SUPPORT 408 if (dwarf_callchain_users) { 409 ui__warning("Please install libunwind development packages " 410 "during the perf build.\n"); 411 } 412 #endif 413 414 return 0; 415 } 416 417 static void sig_handler(int sig __maybe_unused) 418 { 419 session_done = 1; 420 } 421 422 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 423 const char *evname, FILE *fp) 424 { 425 size_t ret; 426 char unit; 427 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 428 u64 nr_events = hists->stats.total_period; 429 struct evsel *evsel = hists_to_evsel(hists); 430 char buf[512]; 431 size_t size = sizeof(buf); 432 int socked_id = hists->socket_filter; 433 434 if (quiet) 435 return 0; 436 437 if (symbol_conf.filter_relative) { 438 nr_samples = hists->stats.nr_non_filtered_samples; 439 nr_events = hists->stats.total_non_filtered_period; 440 } 441 442 if (perf_evsel__is_group_event(evsel)) { 443 struct evsel *pos; 444 445 perf_evsel__group_desc(evsel, buf, size); 446 evname = buf; 447 448 for_each_group_member(pos, evsel) { 449 const struct hists *pos_hists = evsel__hists(pos); 450 451 if (symbol_conf.filter_relative) { 452 nr_samples += pos_hists->stats.nr_non_filtered_samples; 453 nr_events += pos_hists->stats.total_non_filtered_period; 454 } else { 455 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; 456 nr_events += pos_hists->stats.total_period; 457 } 458 } 459 } 460 461 nr_samples = convert_unit(nr_samples, &unit); 462 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 463 if (evname != NULL) { 464 ret += fprintf(fp, " of event%s '%s'", 465 evsel->core.nr_members > 1 ? "s" : "", evname); 466 } 467 468 if (rep->time_str) 469 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 470 471 if (symbol_conf.show_ref_callgraph && 472 strstr(evname, "call-graph=no")) { 473 ret += fprintf(fp, ", show reference callgraph"); 474 } 475 476 if (rep->mem_mode) { 477 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 478 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 479 } else 480 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 481 482 if (socked_id > -1) 483 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 484 485 return ret + fprintf(fp, "\n#\n"); 486 } 487 488 static int perf_evlist__tui_block_hists_browse(struct evlist *evlist, 489 struct report *rep) 490 { 491 struct evsel *pos; 492 int i = 0, ret; 493 494 evlist__for_each_entry(evlist, pos) { 495 ret = report__browse_block_hists(&rep->block_reports[i++].hist, 496 rep->min_percent, pos, 497 &rep->session->header.env, 498 &rep->annotation_opts); 499 if (ret != 0) 500 return ret; 501 } 502 503 return 0; 504 } 505 506 static int perf_evlist__tty_browse_hists(struct evlist *evlist, 507 struct report *rep, 508 const char *help) 509 { 510 struct evsel *pos; 511 int i = 0; 512 513 if (!quiet) { 514 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 515 evlist->stats.total_lost_samples); 516 } 517 518 evlist__for_each_entry(evlist, pos) { 519 struct hists *hists = evsel__hists(pos); 520 const char *evname = perf_evsel__name(pos); 521 522 if (symbol_conf.event_group && 523 !perf_evsel__is_group_leader(pos)) 524 continue; 525 526 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 527 528 if (rep->total_cycles_mode) { 529 report__browse_block_hists(&rep->block_reports[i++].hist, 530 rep->min_percent, pos, 531 NULL, NULL); 532 continue; 533 } 534 535 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 536 !(symbol_conf.use_callchain || 537 symbol_conf.show_branchflag_count)); 538 fprintf(stdout, "\n\n"); 539 } 540 541 if (!quiet) 542 fprintf(stdout, "#\n# (%s)\n#\n", help); 543 544 if (rep->show_threads) { 545 bool style = !strcmp(rep->pretty_printing_style, "raw"); 546 perf_read_values_display(stdout, &rep->show_threads_values, 547 style); 548 perf_read_values_destroy(&rep->show_threads_values); 549 } 550 551 if (sort__mode == SORT_MODE__BRANCH) 552 branch_type_stat_display(stdout, &rep->brtype_stat); 553 554 return 0; 555 } 556 557 static void report__warn_kptr_restrict(const struct report *rep) 558 { 559 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 560 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 561 562 if (perf_evlist__exclude_kernel(rep->session->evlist)) 563 return; 564 565 if (kernel_map == NULL || 566 (kernel_map->dso->hit && 567 (kernel_kmap->ref_reloc_sym == NULL || 568 kernel_kmap->ref_reloc_sym->addr == 0))) { 569 const char *desc = 570 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 571 "can't be resolved."; 572 573 if (kernel_map && map__has_symbols(kernel_map)) { 574 desc = "If some relocation was applied (e.g. " 575 "kexec) symbols may be misresolved."; 576 } 577 578 ui__warning( 579 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 580 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 581 "Samples in kernel modules can't be resolved as well.\n\n", 582 desc); 583 } 584 } 585 586 static int report__gtk_browse_hists(struct report *rep, const char *help) 587 { 588 int (*hist_browser)(struct evlist *evlist, const char *help, 589 struct hist_browser_timer *timer, float min_pcnt); 590 591 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); 592 593 if (hist_browser == NULL) { 594 ui__error("GTK browser not found!\n"); 595 return -1; 596 } 597 598 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 599 } 600 601 static int report__browse_hists(struct report *rep) 602 { 603 int ret; 604 struct perf_session *session = rep->session; 605 struct evlist *evlist = session->evlist; 606 const char *help = perf_tip(system_path(TIPDIR)); 607 608 if (help == NULL) { 609 /* fallback for people who don't install perf ;-) */ 610 help = perf_tip(DOCDIR); 611 if (help == NULL) 612 help = "Cannot load tips.txt file, please install perf!"; 613 } 614 615 switch (use_browser) { 616 case 1: 617 if (rep->total_cycles_mode) { 618 ret = perf_evlist__tui_block_hists_browse(evlist, rep); 619 break; 620 } 621 622 ret = perf_evlist__tui_browse_hists(evlist, help, NULL, 623 rep->min_percent, 624 &session->header.env, 625 true, &rep->annotation_opts); 626 /* 627 * Usually "ret" is the last pressed key, and we only 628 * care if the key notifies us to switch data file. 629 */ 630 if (ret != K_SWITCH_INPUT_DATA) 631 ret = 0; 632 break; 633 case 2: 634 ret = report__gtk_browse_hists(rep, help); 635 break; 636 default: 637 ret = perf_evlist__tty_browse_hists(evlist, rep, help); 638 break; 639 } 640 641 return ret; 642 } 643 644 static int report__collapse_hists(struct report *rep) 645 { 646 struct ui_progress prog; 647 struct evsel *pos; 648 int ret = 0; 649 650 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 651 652 evlist__for_each_entry(rep->session->evlist, pos) { 653 struct hists *hists = evsel__hists(pos); 654 655 if (pos->idx == 0) 656 hists->symbol_filter_str = rep->symbol_filter_str; 657 658 hists->socket_filter = rep->socket_filter; 659 660 ret = hists__collapse_resort(hists, &prog); 661 if (ret < 0) 662 break; 663 664 /* Non-group events are considered as leader */ 665 if (symbol_conf.event_group && 666 !perf_evsel__is_group_leader(pos)) { 667 struct hists *leader_hists = evsel__hists(pos->leader); 668 669 hists__match(leader_hists, hists); 670 hists__link(leader_hists, hists); 671 } 672 } 673 674 ui_progress__finish(); 675 return ret; 676 } 677 678 static int hists__resort_cb(struct hist_entry *he, void *arg) 679 { 680 struct report *rep = arg; 681 struct symbol *sym = he->ms.sym; 682 683 if (rep->symbol_ipc && sym && !sym->annotate2) { 684 struct evsel *evsel = hists_to_evsel(he->hists); 685 686 symbol__annotate2(&he->ms, evsel, 687 &annotation__default_options, NULL); 688 } 689 690 return 0; 691 } 692 693 static void report__output_resort(struct report *rep) 694 { 695 struct ui_progress prog; 696 struct evsel *pos; 697 698 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 699 700 evlist__for_each_entry(rep->session->evlist, pos) { 701 perf_evsel__output_resort_cb(pos, &prog, 702 hists__resort_cb, rep); 703 } 704 705 ui_progress__finish(); 706 } 707 708 static void stats_setup(struct report *rep) 709 { 710 memset(&rep->tool, 0, sizeof(rep->tool)); 711 rep->tool.no_warn = true; 712 } 713 714 static int stats_print(struct report *rep) 715 { 716 struct perf_session *session = rep->session; 717 718 perf_session__fprintf_nr_events(session, stdout); 719 return 0; 720 } 721 722 static void tasks_setup(struct report *rep) 723 { 724 memset(&rep->tool, 0, sizeof(rep->tool)); 725 rep->tool.ordered_events = true; 726 if (rep->mmaps_mode) { 727 rep->tool.mmap = perf_event__process_mmap; 728 rep->tool.mmap2 = perf_event__process_mmap2; 729 } 730 rep->tool.comm = perf_event__process_comm; 731 rep->tool.exit = perf_event__process_exit; 732 rep->tool.fork = perf_event__process_fork; 733 rep->tool.no_warn = true; 734 } 735 736 struct task { 737 struct thread *thread; 738 struct list_head list; 739 struct list_head children; 740 }; 741 742 static struct task *tasks_list(struct task *task, struct machine *machine) 743 { 744 struct thread *parent_thread, *thread = task->thread; 745 struct task *parent_task; 746 747 /* Already listed. */ 748 if (!list_empty(&task->list)) 749 return NULL; 750 751 /* Last one in the chain. */ 752 if (thread->ppid == -1) 753 return task; 754 755 parent_thread = machine__find_thread(machine, -1, thread->ppid); 756 if (!parent_thread) 757 return ERR_PTR(-ENOENT); 758 759 parent_task = thread__priv(parent_thread); 760 list_add_tail(&task->list, &parent_task->children); 761 return tasks_list(parent_task, machine); 762 } 763 764 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 765 { 766 size_t printed = 0; 767 struct map *map; 768 769 maps__for_each_entry(maps, map) { 770 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 771 indent, "", map->start, map->end, 772 map->prot & PROT_READ ? 'r' : '-', 773 map->prot & PROT_WRITE ? 'w' : '-', 774 map->prot & PROT_EXEC ? 'x' : '-', 775 map->flags & MAP_SHARED ? 's' : 'p', 776 map->pgoff, 777 map->dso->id.ino, map->dso->name); 778 } 779 780 return printed; 781 } 782 783 static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) 784 { 785 return maps__fprintf_task(&mg->maps, indent, fp); 786 } 787 788 static void task__print_level(struct task *task, FILE *fp, int level) 789 { 790 struct thread *thread = task->thread; 791 struct task *child; 792 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 793 thread->pid_, thread->tid, thread->ppid, 794 level, ""); 795 796 fprintf(fp, "%s\n", thread__comm_str(thread)); 797 798 map_groups__fprintf_task(thread->mg, comm_indent, fp); 799 800 if (!list_empty(&task->children)) { 801 list_for_each_entry(child, &task->children, list) 802 task__print_level(child, fp, level + 1); 803 } 804 } 805 806 static int tasks_print(struct report *rep, FILE *fp) 807 { 808 struct perf_session *session = rep->session; 809 struct machine *machine = &session->machines.host; 810 struct task *tasks, *task; 811 unsigned int nr = 0, itask = 0, i; 812 struct rb_node *nd; 813 LIST_HEAD(list); 814 815 /* 816 * No locking needed while accessing machine->threads, 817 * because --tasks is single threaded command. 818 */ 819 820 /* Count all the threads. */ 821 for (i = 0; i < THREADS__TABLE_SIZE; i++) 822 nr += machine->threads[i].nr; 823 824 tasks = malloc(sizeof(*tasks) * nr); 825 if (!tasks) 826 return -ENOMEM; 827 828 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 829 struct threads *threads = &machine->threads[i]; 830 831 for (nd = rb_first_cached(&threads->entries); nd; 832 nd = rb_next(nd)) { 833 task = tasks + itask++; 834 835 task->thread = rb_entry(nd, struct thread, rb_node); 836 INIT_LIST_HEAD(&task->children); 837 INIT_LIST_HEAD(&task->list); 838 thread__set_priv(task->thread, task); 839 } 840 } 841 842 /* 843 * Iterate every task down to the unprocessed parent 844 * and link all in task children list. Task with no 845 * parent is added into 'list'. 846 */ 847 for (itask = 0; itask < nr; itask++) { 848 task = tasks + itask; 849 850 if (!list_empty(&task->list)) 851 continue; 852 853 task = tasks_list(task, machine); 854 if (IS_ERR(task)) { 855 pr_err("Error: failed to process tasks\n"); 856 free(tasks); 857 return PTR_ERR(task); 858 } 859 860 if (task) 861 list_add_tail(&task->list, &list); 862 } 863 864 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 865 866 list_for_each_entry(task, &list, list) 867 task__print_level(task, fp, 0); 868 869 free(tasks); 870 return 0; 871 } 872 873 static int __cmd_report(struct report *rep) 874 { 875 int ret; 876 struct perf_session *session = rep->session; 877 struct evsel *pos; 878 struct perf_data *data = session->data; 879 880 signal(SIGINT, sig_handler); 881 882 if (rep->cpu_list) { 883 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 884 rep->cpu_bitmap); 885 if (ret) { 886 ui__error("failed to set cpu bitmap\n"); 887 return ret; 888 } 889 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 890 } 891 892 if (rep->show_threads) { 893 ret = perf_read_values_init(&rep->show_threads_values); 894 if (ret) 895 return ret; 896 } 897 898 ret = report__setup_sample_type(rep); 899 if (ret) { 900 /* report__setup_sample_type() already showed error message */ 901 return ret; 902 } 903 904 if (rep->stats_mode) 905 stats_setup(rep); 906 907 if (rep->tasks_mode) 908 tasks_setup(rep); 909 910 ret = perf_session__process_events(session); 911 if (ret) { 912 ui__error("failed to process sample\n"); 913 return ret; 914 } 915 916 if (rep->stats_mode) 917 return stats_print(rep); 918 919 if (rep->tasks_mode) 920 return tasks_print(rep, stdout); 921 922 report__warn_kptr_restrict(rep); 923 924 evlist__for_each_entry(session->evlist, pos) 925 rep->nr_entries += evsel__hists(pos)->nr_entries; 926 927 if (use_browser == 0) { 928 if (verbose > 3) 929 perf_session__fprintf(session, stdout); 930 931 if (verbose > 2) 932 perf_session__fprintf_dsos(session, stdout); 933 934 if (dump_trace) { 935 perf_session__fprintf_nr_events(session, stdout); 936 perf_evlist__fprintf_nr_events(session->evlist, stdout); 937 return 0; 938 } 939 } 940 941 ret = report__collapse_hists(rep); 942 if (ret) { 943 ui__error("failed to process hist entry\n"); 944 return ret; 945 } 946 947 if (session_done()) 948 return 0; 949 950 /* 951 * recalculate number of entries after collapsing since it 952 * might be changed during the collapse phase. 953 */ 954 rep->nr_entries = 0; 955 evlist__for_each_entry(session->evlist, pos) 956 rep->nr_entries += evsel__hists(pos)->nr_entries; 957 958 if (rep->nr_entries == 0) { 959 ui__error("The %s data has no samples!\n", data->path); 960 return 0; 961 } 962 963 report__output_resort(rep); 964 965 if (rep->total_cycles_mode) { 966 rep->block_reports = block_info__create_report(session->evlist, 967 rep->total_cycles); 968 if (!rep->block_reports) 969 return -1; 970 } 971 972 return report__browse_hists(rep); 973 } 974 975 static int 976 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 977 { 978 struct callchain_param *callchain = opt->value; 979 980 callchain->enabled = !unset; 981 /* 982 * --no-call-graph 983 */ 984 if (unset) { 985 symbol_conf.use_callchain = false; 986 callchain->mode = CHAIN_NONE; 987 return 0; 988 } 989 990 return parse_callchain_report_opt(arg); 991 } 992 993 static int 994 parse_time_quantum(const struct option *opt, const char *arg, 995 int unset __maybe_unused) 996 { 997 unsigned long *time_q = opt->value; 998 char *end; 999 1000 *time_q = strtoul(arg, &end, 0); 1001 if (end == arg) 1002 goto parse_err; 1003 if (*time_q == 0) { 1004 pr_err("time quantum cannot be 0"); 1005 return -1; 1006 } 1007 end = skip_spaces(end); 1008 if (*end == 0) 1009 return 0; 1010 if (!strcmp(end, "s")) { 1011 *time_q *= NSEC_PER_SEC; 1012 return 0; 1013 } 1014 if (!strcmp(end, "ms")) { 1015 *time_q *= NSEC_PER_MSEC; 1016 return 0; 1017 } 1018 if (!strcmp(end, "us")) { 1019 *time_q *= NSEC_PER_USEC; 1020 return 0; 1021 } 1022 if (!strcmp(end, "ns")) 1023 return 0; 1024 parse_err: 1025 pr_err("Cannot parse time quantum `%s'\n", arg); 1026 return -1; 1027 } 1028 1029 int 1030 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 1031 const char *arg, int unset __maybe_unused) 1032 { 1033 if (arg) { 1034 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 1035 if (err) { 1036 char buf[BUFSIZ]; 1037 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 1038 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 1039 return -1; 1040 } 1041 have_ignore_callees = 1; 1042 } 1043 1044 return 0; 1045 } 1046 1047 static int 1048 parse_branch_mode(const struct option *opt, 1049 const char *str __maybe_unused, int unset) 1050 { 1051 int *branch_mode = opt->value; 1052 1053 *branch_mode = !unset; 1054 return 0; 1055 } 1056 1057 static int 1058 parse_percent_limit(const struct option *opt, const char *str, 1059 int unset __maybe_unused) 1060 { 1061 struct report *rep = opt->value; 1062 double pcnt = strtof(str, NULL); 1063 1064 rep->min_percent = pcnt; 1065 callchain_param.min_percent = pcnt; 1066 return 0; 1067 } 1068 1069 int cmd_report(int argc, const char **argv) 1070 { 1071 struct perf_session *session; 1072 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1073 struct stat st; 1074 bool has_br_stack = false; 1075 int branch_mode = -1; 1076 bool branch_call_mode = false; 1077 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1078 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1079 CALLCHAIN_REPORT_HELP 1080 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1081 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1082 const char * const report_usage[] = { 1083 "perf report [<options>]", 1084 NULL 1085 }; 1086 struct report report = { 1087 .tool = { 1088 .sample = process_sample_event, 1089 .mmap = perf_event__process_mmap, 1090 .mmap2 = perf_event__process_mmap2, 1091 .comm = perf_event__process_comm, 1092 .namespaces = perf_event__process_namespaces, 1093 .exit = perf_event__process_exit, 1094 .fork = perf_event__process_fork, 1095 .lost = perf_event__process_lost, 1096 .read = process_read_event, 1097 .attr = perf_event__process_attr, 1098 .tracing_data = perf_event__process_tracing_data, 1099 .build_id = perf_event__process_build_id, 1100 .id_index = perf_event__process_id_index, 1101 .auxtrace_info = perf_event__process_auxtrace_info, 1102 .auxtrace = perf_event__process_auxtrace, 1103 .event_update = perf_event__process_event_update, 1104 .feature = process_feature_event, 1105 .ordered_events = true, 1106 .ordering_requires_timestamps = true, 1107 }, 1108 .max_stack = PERF_MAX_STACK_DEPTH, 1109 .pretty_printing_style = "normal", 1110 .socket_filter = -1, 1111 .annotation_opts = annotation__default_options, 1112 }; 1113 const struct option options[] = { 1114 OPT_STRING('i', "input", &input_name, "file", 1115 "input file name"), 1116 OPT_INCR('v', "verbose", &verbose, 1117 "be more verbose (show symbol address, etc)"), 1118 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 1119 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1120 "dump raw trace in ASCII"), 1121 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1122 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1123 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1124 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1125 "file", "vmlinux pathname"), 1126 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1127 "don't load vmlinux even if found"), 1128 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1129 "file", "kallsyms pathname"), 1130 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1131 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1132 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1133 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1134 "Show a column with the number of samples"), 1135 OPT_BOOLEAN('T', "threads", &report.show_threads, 1136 "Show per-thread event counters"), 1137 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1138 "pretty printing style key: normal raw"), 1139 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1140 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1141 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1142 "Use the stdio interface"), 1143 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1144 OPT_BOOLEAN(0, "header-only", &report.header_only, 1145 "Show only data header."), 1146 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1147 sort_help("sort by key(s):")), 1148 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1149 sort_help("output field(s): overhead period sample ")), 1150 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1151 "Show sample percentage for different cpu modes"), 1152 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1153 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1154 OPT_STRING('p', "parent", &parent_pattern, "regex", 1155 "regex filter to identify parent, see: '--sort parent'"), 1156 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1157 "Only display entries with parent-match"), 1158 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1159 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1160 report_callchain_help, &report_parse_callchain_opt, 1161 callchain_default_opt), 1162 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1163 "Accumulate callchains of children and show total overhead as well"), 1164 OPT_INTEGER(0, "max-stack", &report.max_stack, 1165 "Set the maximum stack depth when parsing the callchain, " 1166 "anything beyond the specified depth will be ignored. " 1167 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1168 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1169 "alias for inverted call graph"), 1170 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1171 "ignore callees of these functions in call graphs", 1172 report_parse_ignore_callees_opt), 1173 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1174 "only consider symbols in these dsos"), 1175 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1176 "only consider symbols in these comms"), 1177 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1178 "only consider symbols in these pids"), 1179 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1180 "only consider symbols in these tids"), 1181 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1182 "only consider these symbols"), 1183 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1184 "only show symbols that (partially) match with this filter"), 1185 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1186 "width[,width...]", 1187 "don't try to adjust column width, use these fixed values"), 1188 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1189 "separator for columns, no spaces will be added between " 1190 "columns '.' is reserved."), 1191 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1192 "Only display entries resolved to a symbol"), 1193 OPT_CALLBACK(0, "symfs", NULL, "directory", 1194 "Look for files with symbols relative to this directory", 1195 symbol__config_symfs), 1196 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1197 "list of cpus to profile"), 1198 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1199 "Display extended information about perf.data file"), 1200 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1201 "Interleave source code with assembly code (default)"), 1202 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1203 "Display raw encoding of assembly instructions (default)"), 1204 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1205 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1206 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1207 "Show a column with the sum of periods"), 1208 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1209 "Show event group information together"), 1210 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1211 "use branch records for per branch histogram filling", 1212 parse_branch_mode), 1213 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1214 "add last branch records to call history"), 1215 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1216 "objdump binary to use for disassembly and annotations"), 1217 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1218 "Disable symbol demangling"), 1219 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1220 "Enable kernel symbol demangling"), 1221 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1222 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1223 "Number of samples to save per histogram entry for individual browsing"), 1224 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1225 "Don't show entries under that percent", parse_percent_limit), 1226 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1227 "how to display percentage of filtered entries", parse_filter_percentage), 1228 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1229 "Instruction Tracing options\n" ITRACE_HELP, 1230 itrace_parse_synth_opts), 1231 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1232 "Show full source file name path for source lines"), 1233 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1234 "Show callgraph from reference event"), 1235 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1236 "only show processor socket that match with this filter"), 1237 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1238 "Show raw trace event output (do not use print fmt or plugins)"), 1239 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1240 "Show entries in a hierarchy"), 1241 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1242 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1243 stdio__config_color, "always"), 1244 OPT_STRING(0, "time", &report.time_str, "str", 1245 "Time span of interest (start,stop)"), 1246 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1247 "Show inline function"), 1248 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1249 "Set percent type local/global-period/hits", 1250 annotate_parse_percent_type), 1251 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1252 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1253 "Set time quantum for time sort key (default 100ms)", 1254 parse_time_quantum), 1255 OPTS_EVSWITCH(&report.evswitch), 1256 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode, 1257 "Sort all blocks by 'Sampled Cycles%'"), 1258 OPT_END() 1259 }; 1260 struct perf_data data = { 1261 .mode = PERF_DATA_MODE_READ, 1262 }; 1263 int ret = hists__init(); 1264 char sort_tmp[128]; 1265 1266 if (ret < 0) 1267 return ret; 1268 1269 ret = perf_config(report__config, &report); 1270 if (ret) 1271 return ret; 1272 1273 argc = parse_options(argc, argv, options, report_usage, 0); 1274 if (argc) { 1275 /* 1276 * Special case: if there's an argument left then assume that 1277 * it's a symbol filter: 1278 */ 1279 if (argc > 1) 1280 usage_with_options(report_usage, options); 1281 1282 report.symbol_filter_str = argv[0]; 1283 } 1284 1285 if (report.mmaps_mode) 1286 report.tasks_mode = true; 1287 1288 if (quiet) 1289 perf_quiet_option(); 1290 1291 if (symbol_conf.vmlinux_name && 1292 access(symbol_conf.vmlinux_name, R_OK)) { 1293 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); 1294 return -EINVAL; 1295 } 1296 if (symbol_conf.kallsyms_name && 1297 access(symbol_conf.kallsyms_name, R_OK)) { 1298 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); 1299 return -EINVAL; 1300 } 1301 1302 if (report.inverted_callchain) 1303 callchain_param.order = ORDER_CALLER; 1304 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1305 callchain_param.order = ORDER_CALLER; 1306 1307 if (itrace_synth_opts.callchain && 1308 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1309 report.max_stack = itrace_synth_opts.callchain_sz; 1310 1311 if (!input_name || !strlen(input_name)) { 1312 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1313 input_name = "-"; 1314 else 1315 input_name = "perf.data"; 1316 } 1317 1318 data.path = input_name; 1319 data.force = symbol_conf.force; 1320 1321 repeat: 1322 session = perf_session__new(&data, false, &report.tool); 1323 if (IS_ERR(session)) 1324 return PTR_ERR(session); 1325 1326 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1327 if (ret) 1328 return ret; 1329 1330 if (zstd_init(&(session->zstd_data), 0) < 0) 1331 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1332 1333 if (report.queue_size) { 1334 ordered_events__set_alloc_size(&session->ordered_events, 1335 report.queue_size); 1336 } 1337 1338 session->itrace_synth_opts = &itrace_synth_opts; 1339 1340 report.session = session; 1341 1342 has_br_stack = perf_header__has_feat(&session->header, 1343 HEADER_BRANCH_STACK); 1344 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1345 has_br_stack = false; 1346 1347 setup_forced_leader(&report, session->evlist); 1348 1349 if (itrace_synth_opts.last_branch) 1350 has_br_stack = true; 1351 1352 if (has_br_stack && branch_call_mode) 1353 symbol_conf.show_branchflag_count = true; 1354 1355 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1356 1357 /* 1358 * Branch mode is a tristate: 1359 * -1 means default, so decide based on the file having branch data. 1360 * 0/1 means the user chose a mode. 1361 */ 1362 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1363 !branch_call_mode) { 1364 sort__mode = SORT_MODE__BRANCH; 1365 symbol_conf.cumulate_callchain = false; 1366 } 1367 if (branch_call_mode) { 1368 callchain_param.key = CCKEY_ADDRESS; 1369 callchain_param.branch_callstack = 1; 1370 symbol_conf.use_callchain = true; 1371 callchain_register_param(&callchain_param); 1372 if (sort_order == NULL) 1373 sort_order = "srcline,symbol,dso"; 1374 } 1375 1376 if (report.mem_mode) { 1377 if (sort__mode == SORT_MODE__BRANCH) { 1378 pr_err("branch and mem mode incompatible\n"); 1379 goto error; 1380 } 1381 sort__mode = SORT_MODE__MEMORY; 1382 symbol_conf.cumulate_callchain = false; 1383 } 1384 1385 if (symbol_conf.report_hierarchy) { 1386 /* disable incompatible options */ 1387 symbol_conf.cumulate_callchain = false; 1388 1389 if (field_order) { 1390 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1391 parse_options_usage(report_usage, options, "F", 1); 1392 parse_options_usage(NULL, options, "hierarchy", 0); 1393 goto error; 1394 } 1395 1396 perf_hpp_list.need_collapse = true; 1397 } 1398 1399 if (report.use_stdio) 1400 use_browser = 0; 1401 else if (report.use_tui) 1402 use_browser = 1; 1403 else if (report.use_gtk) 1404 use_browser = 2; 1405 1406 /* Force tty output for header output and per-thread stat. */ 1407 if (report.header || report.header_only || report.show_threads) 1408 use_browser = 0; 1409 if (report.header || report.header_only) 1410 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1411 if (report.show_full_info) 1412 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1413 if (report.stats_mode || report.tasks_mode) 1414 use_browser = 0; 1415 if (report.stats_mode && report.tasks_mode) { 1416 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1417 goto error; 1418 } 1419 1420 if (report.total_cycles_mode) { 1421 if (sort__mode != SORT_MODE__BRANCH) 1422 report.total_cycles_mode = false; 1423 else 1424 sort_order = NULL; 1425 } 1426 1427 if (strcmp(input_name, "-") != 0) 1428 setup_browser(true); 1429 else 1430 use_browser = 0; 1431 1432 if (sort_order && strstr(sort_order, "ipc")) { 1433 parse_options_usage(report_usage, options, "s", 1); 1434 goto error; 1435 } 1436 1437 if (sort_order && strstr(sort_order, "symbol")) { 1438 if (sort__mode == SORT_MODE__BRANCH) { 1439 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1440 sort_order, "ipc_lbr"); 1441 report.symbol_ipc = true; 1442 } else { 1443 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1444 sort_order, "ipc_null"); 1445 } 1446 1447 sort_order = sort_tmp; 1448 } 1449 1450 if (setup_sorting(session->evlist) < 0) { 1451 if (sort_order) 1452 parse_options_usage(report_usage, options, "s", 1); 1453 if (field_order) 1454 parse_options_usage(sort_order ? NULL : report_usage, 1455 options, "F", 1); 1456 goto error; 1457 } 1458 1459 if ((report.header || report.header_only) && !quiet) { 1460 perf_session__fprintf_info(session, stdout, 1461 report.show_full_info); 1462 if (report.header_only) { 1463 ret = 0; 1464 goto error; 1465 } 1466 } else if (use_browser == 0 && !quiet && 1467 !report.stats_mode && !report.tasks_mode) { 1468 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1469 stdout); 1470 } 1471 1472 /* 1473 * Only in the TUI browser we are doing integrated annotation, 1474 * so don't allocate extra space that won't be used in the stdio 1475 * implementation. 1476 */ 1477 if (ui__has_annotation() || report.symbol_ipc || 1478 report.total_cycles_mode) { 1479 ret = symbol__annotation_init(); 1480 if (ret < 0) 1481 goto error; 1482 /* 1483 * For searching by name on the "Browse map details". 1484 * providing it only in verbose mode not to bloat too 1485 * much struct symbol. 1486 */ 1487 if (verbose > 0) { 1488 /* 1489 * XXX: Need to provide a less kludgy way to ask for 1490 * more space per symbol, the u32 is for the index on 1491 * the ui browser. 1492 * See symbol__browser_index. 1493 */ 1494 symbol_conf.priv_size += sizeof(u32); 1495 symbol_conf.sort_by_name = true; 1496 } 1497 annotation_config__init(); 1498 } 1499 1500 if (symbol__init(&session->header.env) < 0) 1501 goto error; 1502 1503 if (report.time_str) { 1504 ret = perf_time__parse_for_ranges(report.time_str, session, 1505 &report.ptime_range, 1506 &report.range_size, 1507 &report.range_num); 1508 if (ret < 0) 1509 goto error; 1510 1511 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1512 report.ptime_range, 1513 report.range_num); 1514 } 1515 1516 if (session->tevent.pevent && 1517 tep_set_function_resolver(session->tevent.pevent, 1518 machine__resolve_kernel_addr, 1519 &session->machines.host) < 0) { 1520 pr_err("%s: failed to set libtraceevent function resolver\n", 1521 __func__); 1522 return -1; 1523 } 1524 1525 sort__setup_elide(stdout); 1526 1527 ret = __cmd_report(&report); 1528 if (ret == K_SWITCH_INPUT_DATA) { 1529 perf_session__delete(session); 1530 goto repeat; 1531 } else 1532 ret = 0; 1533 1534 error: 1535 if (report.ptime_range) { 1536 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1537 zfree(&report.ptime_range); 1538 } 1539 1540 if (report.block_reports) 1541 zfree(&report.block_reports); 1542 1543 zstd_fini(&(session->zstd_data)); 1544 perf_session__delete(session); 1545 return ret; 1546 } 1547