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 bool stitch_lbr; 88 int max_stack; 89 struct perf_read_values show_threads_values; 90 struct annotation_options annotation_opts; 91 const char *pretty_printing_style; 92 const char *cpu_list; 93 const char *symbol_filter_str; 94 const char *time_str; 95 struct perf_time_interval *ptime_range; 96 int range_size; 97 int range_num; 98 float min_percent; 99 u64 nr_entries; 100 u64 queue_size; 101 u64 total_cycles; 102 int socket_filter; 103 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 104 struct branch_type_stat brtype_stat; 105 bool symbol_ipc; 106 bool total_cycles_mode; 107 struct block_report *block_reports; 108 int nr_block_reports; 109 }; 110 111 static int report__config(const char *var, const char *value, void *cb) 112 { 113 struct report *rep = cb; 114 115 if (!strcmp(var, "report.group")) { 116 symbol_conf.event_group = perf_config_bool(var, value); 117 return 0; 118 } 119 if (!strcmp(var, "report.percent-limit")) { 120 double pcnt = strtof(value, NULL); 121 122 rep->min_percent = pcnt; 123 callchain_param.min_percent = pcnt; 124 return 0; 125 } 126 if (!strcmp(var, "report.children")) { 127 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 128 return 0; 129 } 130 if (!strcmp(var, "report.queue-size")) 131 return perf_config_u64(&rep->queue_size, var, value); 132 133 if (!strcmp(var, "report.sort_order")) { 134 default_sort_order = strdup(value); 135 return 0; 136 } 137 138 return 0; 139 } 140 141 static int hist_iter__report_callback(struct hist_entry_iter *iter, 142 struct addr_location *al, bool single, 143 void *arg) 144 { 145 int err = 0; 146 struct report *rep = arg; 147 struct hist_entry *he = iter->he; 148 struct evsel *evsel = iter->evsel; 149 struct perf_sample *sample = iter->sample; 150 struct mem_info *mi; 151 struct branch_info *bi; 152 153 if (!ui__has_annotation() && !rep->symbol_ipc) 154 return 0; 155 156 if (sort__mode == SORT_MODE__BRANCH) { 157 bi = he->branch_info; 158 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 159 if (err) 160 goto out; 161 162 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 163 164 } else if (rep->mem_mode) { 165 mi = he->mem_info; 166 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 167 if (err) 168 goto out; 169 170 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 171 172 } else if (symbol_conf.cumulate_callchain) { 173 if (single) 174 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 175 } else { 176 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 177 } 178 179 out: 180 return err; 181 } 182 183 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 184 struct addr_location *al __maybe_unused, 185 bool single __maybe_unused, 186 void *arg) 187 { 188 struct hist_entry *he = iter->he; 189 struct report *rep = arg; 190 struct branch_info *bi = he->branch_info; 191 struct perf_sample *sample = iter->sample; 192 struct evsel *evsel = iter->evsel; 193 int err; 194 195 branch_type_count(&rep->brtype_stat, &bi->flags, 196 bi->from.addr, bi->to.addr); 197 198 if (!ui__has_annotation() && !rep->symbol_ipc) 199 return 0; 200 201 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 202 if (err) 203 goto out; 204 205 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 206 207 out: 208 return err; 209 } 210 211 static void setup_forced_leader(struct report *report, 212 struct evlist *evlist) 213 { 214 if (report->group_set) 215 perf_evlist__force_leader(evlist); 216 } 217 218 static int process_feature_event(struct perf_session *session, 219 union perf_event *event) 220 { 221 struct report *rep = container_of(session->tool, struct report, tool); 222 223 if (event->feat.feat_id < HEADER_LAST_FEATURE) 224 return perf_event__process_feature(session, event); 225 226 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 227 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", 228 event->feat.feat_id); 229 return -1; 230 } 231 232 /* 233 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 234 * means all features are received, now we can force the 235 * group if needed. 236 */ 237 setup_forced_leader(rep, session->evlist); 238 return 0; 239 } 240 241 static int process_sample_event(struct perf_tool *tool, 242 union perf_event *event, 243 struct perf_sample *sample, 244 struct evsel *evsel, 245 struct machine *machine) 246 { 247 struct report *rep = container_of(tool, struct report, tool); 248 struct addr_location al; 249 struct hist_entry_iter iter = { 250 .evsel = evsel, 251 .sample = sample, 252 .hide_unresolved = symbol_conf.hide_unresolved, 253 .add_entry_cb = hist_iter__report_callback, 254 }; 255 int ret = 0; 256 257 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 258 sample->time)) { 259 return 0; 260 } 261 262 if (evswitch__discard(&rep->evswitch, evsel)) 263 return 0; 264 265 if (machine__resolve(machine, &al, sample) < 0) { 266 pr_debug("problem processing %d event, skipping it.\n", 267 event->header.type); 268 return -1; 269 } 270 271 if (rep->stitch_lbr) 272 al.thread->lbr_stitch_enable = true; 273 274 if (symbol_conf.hide_unresolved && al.sym == NULL) 275 goto out_put; 276 277 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 278 goto out_put; 279 280 if (sort__mode == SORT_MODE__BRANCH) { 281 /* 282 * A non-synthesized event might not have a branch stack if 283 * branch stacks have been synthesized (using itrace options). 284 */ 285 if (!sample->branch_stack) 286 goto out_put; 287 288 iter.add_entry_cb = hist_iter__branch_callback; 289 iter.ops = &hist_iter_branch; 290 } else if (rep->mem_mode) { 291 iter.ops = &hist_iter_mem; 292 } else if (symbol_conf.cumulate_callchain) { 293 iter.ops = &hist_iter_cumulative; 294 } else { 295 iter.ops = &hist_iter_normal; 296 } 297 298 if (al.map != NULL) 299 al.map->dso->hit = 1; 300 301 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { 302 hist__account_cycles(sample->branch_stack, &al, sample, 303 rep->nonany_branch_mode, 304 &rep->total_cycles); 305 } 306 307 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 308 if (ret < 0) 309 pr_debug("problem adding hist entry, skipping event\n"); 310 out_put: 311 addr_location__put(&al); 312 return ret; 313 } 314 315 static int process_read_event(struct perf_tool *tool, 316 union perf_event *event, 317 struct perf_sample *sample __maybe_unused, 318 struct evsel *evsel, 319 struct machine *machine __maybe_unused) 320 { 321 struct report *rep = container_of(tool, struct report, tool); 322 323 if (rep->show_threads) { 324 const char *name = evsel__name(evsel); 325 int err = perf_read_values_add_value(&rep->show_threads_values, 326 event->read.pid, event->read.tid, 327 evsel->idx, 328 name, 329 event->read.value); 330 331 if (err) 332 return err; 333 } 334 335 return 0; 336 } 337 338 /* For pipe mode, sample_type is not currently set */ 339 static int report__setup_sample_type(struct report *rep) 340 { 341 struct perf_session *session = rep->session; 342 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 343 bool is_pipe = perf_data__is_pipe(session->data); 344 345 if (session->itrace_synth_opts->callchain || 346 session->itrace_synth_opts->add_callchain || 347 (!is_pipe && 348 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 349 !session->itrace_synth_opts->set)) 350 sample_type |= PERF_SAMPLE_CALLCHAIN; 351 352 if (session->itrace_synth_opts->last_branch || 353 session->itrace_synth_opts->add_last_branch) 354 sample_type |= PERF_SAMPLE_BRANCH_STACK; 355 356 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 357 if (perf_hpp_list.parent) { 358 ui__error("Selected --sort parent, but no " 359 "callchain data. Did you call " 360 "'perf record' without -g?\n"); 361 return -EINVAL; 362 } 363 if (symbol_conf.use_callchain && 364 !symbol_conf.show_branchflag_count) { 365 ui__error("Selected -g or --branch-history.\n" 366 "But no callchain or branch data.\n" 367 "Did you call 'perf record' without -g or -b?\n"); 368 return -1; 369 } 370 } else if (!callchain_param.enabled && 371 callchain_param.mode != CHAIN_NONE && 372 !symbol_conf.use_callchain) { 373 symbol_conf.use_callchain = true; 374 if (callchain_register_param(&callchain_param) < 0) { 375 ui__error("Can't register callchain params.\n"); 376 return -EINVAL; 377 } 378 } 379 380 if (symbol_conf.cumulate_callchain) { 381 /* Silently ignore if callchain is missing */ 382 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 383 symbol_conf.cumulate_callchain = false; 384 perf_hpp__cancel_cumulate(); 385 } 386 } 387 388 if (sort__mode == SORT_MODE__BRANCH) { 389 if (!is_pipe && 390 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 391 ui__error("Selected -b but no branch data. " 392 "Did you call perf record without -b?\n"); 393 return -1; 394 } 395 } 396 397 if (sort__mode == SORT_MODE__MEMORY) { 398 if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) { 399 ui__error("Selected --mem-mode but no mem data. " 400 "Did you call perf record without -d?\n"); 401 return -1; 402 } 403 } 404 405 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 406 if ((sample_type & PERF_SAMPLE_REGS_USER) && 407 (sample_type & PERF_SAMPLE_STACK_USER)) { 408 callchain_param.record_mode = CALLCHAIN_DWARF; 409 dwarf_callchain_users = true; 410 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 411 callchain_param.record_mode = CALLCHAIN_LBR; 412 else 413 callchain_param.record_mode = CALLCHAIN_FP; 414 } 415 416 if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 417 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 418 "Please apply --call-graph lbr when recording.\n"); 419 rep->stitch_lbr = false; 420 } 421 422 /* ??? handle more cases than just ANY? */ 423 if (!(perf_evlist__combined_branch_type(session->evlist) & 424 PERF_SAMPLE_BRANCH_ANY)) 425 rep->nonany_branch_mode = true; 426 427 #if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT) 428 if (dwarf_callchain_users) { 429 ui__warning("Please install libunwind or libdw " 430 "development packages during the perf build.\n"); 431 } 432 #endif 433 434 return 0; 435 } 436 437 static void sig_handler(int sig __maybe_unused) 438 { 439 session_done = 1; 440 } 441 442 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 443 const char *evname, FILE *fp) 444 { 445 size_t ret; 446 char unit; 447 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 448 u64 nr_events = hists->stats.total_period; 449 struct evsel *evsel = hists_to_evsel(hists); 450 char buf[512]; 451 size_t size = sizeof(buf); 452 int socked_id = hists->socket_filter; 453 454 if (quiet) 455 return 0; 456 457 if (symbol_conf.filter_relative) { 458 nr_samples = hists->stats.nr_non_filtered_samples; 459 nr_events = hists->stats.total_non_filtered_period; 460 } 461 462 if (evsel__is_group_event(evsel)) { 463 struct evsel *pos; 464 465 evsel__group_desc(evsel, buf, size); 466 evname = buf; 467 468 for_each_group_member(pos, evsel) { 469 const struct hists *pos_hists = evsel__hists(pos); 470 471 if (symbol_conf.filter_relative) { 472 nr_samples += pos_hists->stats.nr_non_filtered_samples; 473 nr_events += pos_hists->stats.total_non_filtered_period; 474 } else { 475 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; 476 nr_events += pos_hists->stats.total_period; 477 } 478 } 479 } 480 481 nr_samples = convert_unit(nr_samples, &unit); 482 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 483 if (evname != NULL) { 484 ret += fprintf(fp, " of event%s '%s'", 485 evsel->core.nr_members > 1 ? "s" : "", evname); 486 } 487 488 if (rep->time_str) 489 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 490 491 if (symbol_conf.show_ref_callgraph && 492 strstr(evname, "call-graph=no")) { 493 ret += fprintf(fp, ", show reference callgraph"); 494 } 495 496 if (rep->mem_mode) { 497 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 498 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 499 } else 500 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 501 502 if (socked_id > -1) 503 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 504 505 return ret + fprintf(fp, "\n#\n"); 506 } 507 508 static int perf_evlist__tui_block_hists_browse(struct evlist *evlist, 509 struct report *rep) 510 { 511 struct evsel *pos; 512 int i = 0, ret; 513 514 evlist__for_each_entry(evlist, pos) { 515 ret = report__browse_block_hists(&rep->block_reports[i++].hist, 516 rep->min_percent, pos, 517 &rep->session->header.env, 518 &rep->annotation_opts); 519 if (ret != 0) 520 return ret; 521 } 522 523 return 0; 524 } 525 526 static int perf_evlist__tty_browse_hists(struct evlist *evlist, 527 struct report *rep, 528 const char *help) 529 { 530 struct evsel *pos; 531 int i = 0; 532 533 if (!quiet) { 534 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 535 evlist->stats.total_lost_samples); 536 } 537 538 evlist__for_each_entry(evlist, pos) { 539 struct hists *hists = evsel__hists(pos); 540 const char *evname = evsel__name(pos); 541 542 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) 543 continue; 544 545 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 546 547 if (rep->total_cycles_mode) { 548 report__browse_block_hists(&rep->block_reports[i++].hist, 549 rep->min_percent, pos, 550 NULL, NULL); 551 continue; 552 } 553 554 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 555 !(symbol_conf.use_callchain || 556 symbol_conf.show_branchflag_count)); 557 fprintf(stdout, "\n\n"); 558 } 559 560 if (!quiet) 561 fprintf(stdout, "#\n# (%s)\n#\n", help); 562 563 if (rep->show_threads) { 564 bool style = !strcmp(rep->pretty_printing_style, "raw"); 565 perf_read_values_display(stdout, &rep->show_threads_values, 566 style); 567 perf_read_values_destroy(&rep->show_threads_values); 568 } 569 570 if (sort__mode == SORT_MODE__BRANCH) 571 branch_type_stat_display(stdout, &rep->brtype_stat); 572 573 return 0; 574 } 575 576 static void report__warn_kptr_restrict(const struct report *rep) 577 { 578 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 579 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 580 581 if (perf_evlist__exclude_kernel(rep->session->evlist)) 582 return; 583 584 if (kernel_map == NULL || 585 (kernel_map->dso->hit && 586 (kernel_kmap->ref_reloc_sym == NULL || 587 kernel_kmap->ref_reloc_sym->addr == 0))) { 588 const char *desc = 589 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 590 "can't be resolved."; 591 592 if (kernel_map && map__has_symbols(kernel_map)) { 593 desc = "If some relocation was applied (e.g. " 594 "kexec) symbols may be misresolved."; 595 } 596 597 ui__warning( 598 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 599 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 600 "Samples in kernel modules can't be resolved as well.\n\n", 601 desc); 602 } 603 } 604 605 static int report__gtk_browse_hists(struct report *rep, const char *help) 606 { 607 int (*hist_browser)(struct evlist *evlist, const char *help, 608 struct hist_browser_timer *timer, float min_pcnt); 609 610 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); 611 612 if (hist_browser == NULL) { 613 ui__error("GTK browser not found!\n"); 614 return -1; 615 } 616 617 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 618 } 619 620 static int report__browse_hists(struct report *rep) 621 { 622 int ret; 623 struct perf_session *session = rep->session; 624 struct evlist *evlist = session->evlist; 625 const char *help = perf_tip(system_path(TIPDIR)); 626 627 if (help == NULL) { 628 /* fallback for people who don't install perf ;-) */ 629 help = perf_tip(DOCDIR); 630 if (help == NULL) 631 help = "Cannot load tips.txt file, please install perf!"; 632 } 633 634 switch (use_browser) { 635 case 1: 636 if (rep->total_cycles_mode) { 637 ret = perf_evlist__tui_block_hists_browse(evlist, rep); 638 break; 639 } 640 641 ret = perf_evlist__tui_browse_hists(evlist, help, NULL, 642 rep->min_percent, 643 &session->header.env, 644 true, &rep->annotation_opts); 645 /* 646 * Usually "ret" is the last pressed key, and we only 647 * care if the key notifies us to switch data file. 648 */ 649 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD) 650 ret = 0; 651 break; 652 case 2: 653 ret = report__gtk_browse_hists(rep, help); 654 break; 655 default: 656 ret = perf_evlist__tty_browse_hists(evlist, rep, help); 657 break; 658 } 659 660 return ret; 661 } 662 663 static int report__collapse_hists(struct report *rep) 664 { 665 struct ui_progress prog; 666 struct evsel *pos; 667 int ret = 0; 668 669 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 670 671 evlist__for_each_entry(rep->session->evlist, pos) { 672 struct hists *hists = evsel__hists(pos); 673 674 if (pos->idx == 0) 675 hists->symbol_filter_str = rep->symbol_filter_str; 676 677 hists->socket_filter = rep->socket_filter; 678 679 ret = hists__collapse_resort(hists, &prog); 680 if (ret < 0) 681 break; 682 683 /* Non-group events are considered as leader */ 684 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) { 685 struct hists *leader_hists = evsel__hists(pos->leader); 686 687 hists__match(leader_hists, hists); 688 hists__link(leader_hists, hists); 689 } 690 } 691 692 ui_progress__finish(); 693 return ret; 694 } 695 696 static int hists__resort_cb(struct hist_entry *he, void *arg) 697 { 698 struct report *rep = arg; 699 struct symbol *sym = he->ms.sym; 700 701 if (rep->symbol_ipc && sym && !sym->annotate2) { 702 struct evsel *evsel = hists_to_evsel(he->hists); 703 704 symbol__annotate2(&he->ms, evsel, 705 &annotation__default_options, NULL); 706 } 707 708 return 0; 709 } 710 711 static void report__output_resort(struct report *rep) 712 { 713 struct ui_progress prog; 714 struct evsel *pos; 715 716 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 717 718 evlist__for_each_entry(rep->session->evlist, pos) { 719 perf_evsel__output_resort_cb(pos, &prog, 720 hists__resort_cb, rep); 721 } 722 723 ui_progress__finish(); 724 } 725 726 static void stats_setup(struct report *rep) 727 { 728 memset(&rep->tool, 0, sizeof(rep->tool)); 729 rep->tool.no_warn = true; 730 } 731 732 static int stats_print(struct report *rep) 733 { 734 struct perf_session *session = rep->session; 735 736 perf_session__fprintf_nr_events(session, stdout); 737 return 0; 738 } 739 740 static void tasks_setup(struct report *rep) 741 { 742 memset(&rep->tool, 0, sizeof(rep->tool)); 743 rep->tool.ordered_events = true; 744 if (rep->mmaps_mode) { 745 rep->tool.mmap = perf_event__process_mmap; 746 rep->tool.mmap2 = perf_event__process_mmap2; 747 } 748 rep->tool.comm = perf_event__process_comm; 749 rep->tool.exit = perf_event__process_exit; 750 rep->tool.fork = perf_event__process_fork; 751 rep->tool.no_warn = true; 752 } 753 754 struct task { 755 struct thread *thread; 756 struct list_head list; 757 struct list_head children; 758 }; 759 760 static struct task *tasks_list(struct task *task, struct machine *machine) 761 { 762 struct thread *parent_thread, *thread = task->thread; 763 struct task *parent_task; 764 765 /* Already listed. */ 766 if (!list_empty(&task->list)) 767 return NULL; 768 769 /* Last one in the chain. */ 770 if (thread->ppid == -1) 771 return task; 772 773 parent_thread = machine__find_thread(machine, -1, thread->ppid); 774 if (!parent_thread) 775 return ERR_PTR(-ENOENT); 776 777 parent_task = thread__priv(parent_thread); 778 list_add_tail(&task->list, &parent_task->children); 779 return tasks_list(parent_task, machine); 780 } 781 782 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 783 { 784 size_t printed = 0; 785 struct map *map; 786 787 maps__for_each_entry(maps, map) { 788 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 789 indent, "", map->start, map->end, 790 map->prot & PROT_READ ? 'r' : '-', 791 map->prot & PROT_WRITE ? 'w' : '-', 792 map->prot & PROT_EXEC ? 'x' : '-', 793 map->flags & MAP_SHARED ? 's' : 'p', 794 map->pgoff, 795 map->dso->id.ino, map->dso->name); 796 } 797 798 return printed; 799 } 800 801 static void task__print_level(struct task *task, FILE *fp, int level) 802 { 803 struct thread *thread = task->thread; 804 struct task *child; 805 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 806 thread->pid_, thread->tid, thread->ppid, 807 level, ""); 808 809 fprintf(fp, "%s\n", thread__comm_str(thread)); 810 811 maps__fprintf_task(thread->maps, comm_indent, fp); 812 813 if (!list_empty(&task->children)) { 814 list_for_each_entry(child, &task->children, list) 815 task__print_level(child, fp, level + 1); 816 } 817 } 818 819 static int tasks_print(struct report *rep, FILE *fp) 820 { 821 struct perf_session *session = rep->session; 822 struct machine *machine = &session->machines.host; 823 struct task *tasks, *task; 824 unsigned int nr = 0, itask = 0, i; 825 struct rb_node *nd; 826 LIST_HEAD(list); 827 828 /* 829 * No locking needed while accessing machine->threads, 830 * because --tasks is single threaded command. 831 */ 832 833 /* Count all the threads. */ 834 for (i = 0; i < THREADS__TABLE_SIZE; i++) 835 nr += machine->threads[i].nr; 836 837 tasks = malloc(sizeof(*tasks) * nr); 838 if (!tasks) 839 return -ENOMEM; 840 841 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 842 struct threads *threads = &machine->threads[i]; 843 844 for (nd = rb_first_cached(&threads->entries); nd; 845 nd = rb_next(nd)) { 846 task = tasks + itask++; 847 848 task->thread = rb_entry(nd, struct thread, rb_node); 849 INIT_LIST_HEAD(&task->children); 850 INIT_LIST_HEAD(&task->list); 851 thread__set_priv(task->thread, task); 852 } 853 } 854 855 /* 856 * Iterate every task down to the unprocessed parent 857 * and link all in task children list. Task with no 858 * parent is added into 'list'. 859 */ 860 for (itask = 0; itask < nr; itask++) { 861 task = tasks + itask; 862 863 if (!list_empty(&task->list)) 864 continue; 865 866 task = tasks_list(task, machine); 867 if (IS_ERR(task)) { 868 pr_err("Error: failed to process tasks\n"); 869 free(tasks); 870 return PTR_ERR(task); 871 } 872 873 if (task) 874 list_add_tail(&task->list, &list); 875 } 876 877 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 878 879 list_for_each_entry(task, &list, list) 880 task__print_level(task, fp, 0); 881 882 free(tasks); 883 return 0; 884 } 885 886 static int __cmd_report(struct report *rep) 887 { 888 int ret; 889 struct perf_session *session = rep->session; 890 struct evsel *pos; 891 struct perf_data *data = session->data; 892 893 signal(SIGINT, sig_handler); 894 895 if (rep->cpu_list) { 896 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 897 rep->cpu_bitmap); 898 if (ret) { 899 ui__error("failed to set cpu bitmap\n"); 900 return ret; 901 } 902 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 903 } 904 905 if (rep->show_threads) { 906 ret = perf_read_values_init(&rep->show_threads_values); 907 if (ret) 908 return ret; 909 } 910 911 ret = report__setup_sample_type(rep); 912 if (ret) { 913 /* report__setup_sample_type() already showed error message */ 914 return ret; 915 } 916 917 if (rep->stats_mode) 918 stats_setup(rep); 919 920 if (rep->tasks_mode) 921 tasks_setup(rep); 922 923 ret = perf_session__process_events(session); 924 if (ret) { 925 ui__error("failed to process sample\n"); 926 return ret; 927 } 928 929 if (rep->stats_mode) 930 return stats_print(rep); 931 932 if (rep->tasks_mode) 933 return tasks_print(rep, stdout); 934 935 report__warn_kptr_restrict(rep); 936 937 evlist__for_each_entry(session->evlist, pos) 938 rep->nr_entries += evsel__hists(pos)->nr_entries; 939 940 if (use_browser == 0) { 941 if (verbose > 3) 942 perf_session__fprintf(session, stdout); 943 944 if (verbose > 2) 945 perf_session__fprintf_dsos(session, stdout); 946 947 if (dump_trace) { 948 perf_session__fprintf_nr_events(session, stdout); 949 perf_evlist__fprintf_nr_events(session->evlist, stdout); 950 return 0; 951 } 952 } 953 954 ret = report__collapse_hists(rep); 955 if (ret) { 956 ui__error("failed to process hist entry\n"); 957 return ret; 958 } 959 960 if (session_done()) 961 return 0; 962 963 /* 964 * recalculate number of entries after collapsing since it 965 * might be changed during the collapse phase. 966 */ 967 rep->nr_entries = 0; 968 evlist__for_each_entry(session->evlist, pos) 969 rep->nr_entries += evsel__hists(pos)->nr_entries; 970 971 if (rep->nr_entries == 0) { 972 ui__error("The %s data has no samples!\n", data->path); 973 return 0; 974 } 975 976 report__output_resort(rep); 977 978 if (rep->total_cycles_mode) { 979 int block_hpps[6] = { 980 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT, 981 PERF_HPP_REPORT__BLOCK_LBR_CYCLES, 982 PERF_HPP_REPORT__BLOCK_CYCLES_PCT, 983 PERF_HPP_REPORT__BLOCK_AVG_CYCLES, 984 PERF_HPP_REPORT__BLOCK_RANGE, 985 PERF_HPP_REPORT__BLOCK_DSO, 986 }; 987 988 rep->block_reports = block_info__create_report(session->evlist, 989 rep->total_cycles, 990 block_hpps, 6, 991 &rep->nr_block_reports); 992 if (!rep->block_reports) 993 return -1; 994 } 995 996 return report__browse_hists(rep); 997 } 998 999 static int 1000 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 1001 { 1002 struct callchain_param *callchain = opt->value; 1003 1004 callchain->enabled = !unset; 1005 /* 1006 * --no-call-graph 1007 */ 1008 if (unset) { 1009 symbol_conf.use_callchain = false; 1010 callchain->mode = CHAIN_NONE; 1011 return 0; 1012 } 1013 1014 return parse_callchain_report_opt(arg); 1015 } 1016 1017 static int 1018 parse_time_quantum(const struct option *opt, const char *arg, 1019 int unset __maybe_unused) 1020 { 1021 unsigned long *time_q = opt->value; 1022 char *end; 1023 1024 *time_q = strtoul(arg, &end, 0); 1025 if (end == arg) 1026 goto parse_err; 1027 if (*time_q == 0) { 1028 pr_err("time quantum cannot be 0"); 1029 return -1; 1030 } 1031 end = skip_spaces(end); 1032 if (*end == 0) 1033 return 0; 1034 if (!strcmp(end, "s")) { 1035 *time_q *= NSEC_PER_SEC; 1036 return 0; 1037 } 1038 if (!strcmp(end, "ms")) { 1039 *time_q *= NSEC_PER_MSEC; 1040 return 0; 1041 } 1042 if (!strcmp(end, "us")) { 1043 *time_q *= NSEC_PER_USEC; 1044 return 0; 1045 } 1046 if (!strcmp(end, "ns")) 1047 return 0; 1048 parse_err: 1049 pr_err("Cannot parse time quantum `%s'\n", arg); 1050 return -1; 1051 } 1052 1053 int 1054 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 1055 const char *arg, int unset __maybe_unused) 1056 { 1057 if (arg) { 1058 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 1059 if (err) { 1060 char buf[BUFSIZ]; 1061 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 1062 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 1063 return -1; 1064 } 1065 have_ignore_callees = 1; 1066 } 1067 1068 return 0; 1069 } 1070 1071 static int 1072 parse_branch_mode(const struct option *opt, 1073 const char *str __maybe_unused, int unset) 1074 { 1075 int *branch_mode = opt->value; 1076 1077 *branch_mode = !unset; 1078 return 0; 1079 } 1080 1081 static int 1082 parse_percent_limit(const struct option *opt, const char *str, 1083 int unset __maybe_unused) 1084 { 1085 struct report *rep = opt->value; 1086 double pcnt = strtof(str, NULL); 1087 1088 rep->min_percent = pcnt; 1089 callchain_param.min_percent = pcnt; 1090 return 0; 1091 } 1092 1093 int cmd_report(int argc, const char **argv) 1094 { 1095 struct perf_session *session; 1096 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1097 struct stat st; 1098 bool has_br_stack = false; 1099 int branch_mode = -1; 1100 int last_key = 0; 1101 bool branch_call_mode = false; 1102 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1103 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1104 CALLCHAIN_REPORT_HELP 1105 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1106 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1107 const char * const report_usage[] = { 1108 "perf report [<options>]", 1109 NULL 1110 }; 1111 struct report report = { 1112 .tool = { 1113 .sample = process_sample_event, 1114 .mmap = perf_event__process_mmap, 1115 .mmap2 = perf_event__process_mmap2, 1116 .comm = perf_event__process_comm, 1117 .namespaces = perf_event__process_namespaces, 1118 .cgroup = perf_event__process_cgroup, 1119 .exit = perf_event__process_exit, 1120 .fork = perf_event__process_fork, 1121 .lost = perf_event__process_lost, 1122 .read = process_read_event, 1123 .attr = perf_event__process_attr, 1124 .tracing_data = perf_event__process_tracing_data, 1125 .build_id = perf_event__process_build_id, 1126 .id_index = perf_event__process_id_index, 1127 .auxtrace_info = perf_event__process_auxtrace_info, 1128 .auxtrace = perf_event__process_auxtrace, 1129 .event_update = perf_event__process_event_update, 1130 .feature = process_feature_event, 1131 .ordered_events = true, 1132 .ordering_requires_timestamps = true, 1133 }, 1134 .max_stack = PERF_MAX_STACK_DEPTH, 1135 .pretty_printing_style = "normal", 1136 .socket_filter = -1, 1137 .annotation_opts = annotation__default_options, 1138 }; 1139 const struct option options[] = { 1140 OPT_STRING('i', "input", &input_name, "file", 1141 "input file name"), 1142 OPT_INCR('v', "verbose", &verbose, 1143 "be more verbose (show symbol address, etc)"), 1144 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 1145 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1146 "dump raw trace in ASCII"), 1147 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1148 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1149 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1150 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1151 "file", "vmlinux pathname"), 1152 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1153 "don't load vmlinux even if found"), 1154 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1155 "file", "kallsyms pathname"), 1156 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1157 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1158 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1159 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1160 "Show a column with the number of samples"), 1161 OPT_BOOLEAN('T', "threads", &report.show_threads, 1162 "Show per-thread event counters"), 1163 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1164 "pretty printing style key: normal raw"), 1165 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1166 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1167 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1168 "Use the stdio interface"), 1169 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1170 OPT_BOOLEAN(0, "header-only", &report.header_only, 1171 "Show only data header."), 1172 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1173 sort_help("sort by key(s):")), 1174 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1175 sort_help("output field(s): overhead period sample ")), 1176 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1177 "Show sample percentage for different cpu modes"), 1178 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1179 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1180 OPT_STRING('p', "parent", &parent_pattern, "regex", 1181 "regex filter to identify parent, see: '--sort parent'"), 1182 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1183 "Only display entries with parent-match"), 1184 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1185 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1186 report_callchain_help, &report_parse_callchain_opt, 1187 callchain_default_opt), 1188 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1189 "Accumulate callchains of children and show total overhead as well. " 1190 "Enabled by default, use --no-children to disable."), 1191 OPT_INTEGER(0, "max-stack", &report.max_stack, 1192 "Set the maximum stack depth when parsing the callchain, " 1193 "anything beyond the specified depth will be ignored. " 1194 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1195 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1196 "alias for inverted call graph"), 1197 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1198 "ignore callees of these functions in call graphs", 1199 report_parse_ignore_callees_opt), 1200 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1201 "only consider symbols in these dsos"), 1202 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1203 "only consider symbols in these comms"), 1204 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1205 "only consider symbols in these pids"), 1206 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1207 "only consider symbols in these tids"), 1208 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1209 "only consider these symbols"), 1210 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1211 "only show symbols that (partially) match with this filter"), 1212 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1213 "width[,width...]", 1214 "don't try to adjust column width, use these fixed values"), 1215 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1216 "separator for columns, no spaces will be added between " 1217 "columns '.' is reserved."), 1218 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1219 "Only display entries resolved to a symbol"), 1220 OPT_CALLBACK(0, "symfs", NULL, "directory", 1221 "Look for files with symbols relative to this directory", 1222 symbol__config_symfs), 1223 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1224 "list of cpus to profile"), 1225 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1226 "Display extended information about perf.data file"), 1227 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1228 "Interleave source code with assembly code (default)"), 1229 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1230 "Display raw encoding of assembly instructions (default)"), 1231 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1232 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1233 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix", 1234 "Add prefix to source file path names in programs (with --prefix-strip)"), 1235 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N", 1236 "Strip first N entries of source file path name in programs (with --prefix)"), 1237 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1238 "Show a column with the sum of periods"), 1239 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1240 "Show event group information together"), 1241 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx, 1242 "Sort the output by the event at the index n in group. " 1243 "If n is invalid, sort by the first event. " 1244 "WARNING: should be used on grouped events."), 1245 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1246 "use branch records for per branch histogram filling", 1247 parse_branch_mode), 1248 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1249 "add last branch records to call history"), 1250 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1251 "objdump binary to use for disassembly and annotations"), 1252 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1253 "Disable symbol demangling"), 1254 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1255 "Enable kernel symbol demangling"), 1256 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1257 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1258 "Number of samples to save per histogram entry for individual browsing"), 1259 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1260 "Don't show entries under that percent", parse_percent_limit), 1261 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1262 "how to display percentage of filtered entries", parse_filter_percentage), 1263 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1264 "Instruction Tracing options\n" ITRACE_HELP, 1265 itrace_parse_synth_opts), 1266 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1267 "Show full source file name path for source lines"), 1268 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1269 "Show callgraph from reference event"), 1270 OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, 1271 "Enable LBR callgraph stitching approach"), 1272 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1273 "only show processor socket that match with this filter"), 1274 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1275 "Show raw trace event output (do not use print fmt or plugins)"), 1276 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1277 "Show entries in a hierarchy"), 1278 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1279 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1280 stdio__config_color, "always"), 1281 OPT_STRING(0, "time", &report.time_str, "str", 1282 "Time span of interest (start,stop)"), 1283 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1284 "Show inline function"), 1285 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1286 "Set percent type local/global-period/hits", 1287 annotate_parse_percent_type), 1288 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1289 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1290 "Set time quantum for time sort key (default 100ms)", 1291 parse_time_quantum), 1292 OPTS_EVSWITCH(&report.evswitch), 1293 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode, 1294 "Sort all blocks by 'Sampled Cycles%'"), 1295 OPT_END() 1296 }; 1297 struct perf_data data = { 1298 .mode = PERF_DATA_MODE_READ, 1299 }; 1300 int ret = hists__init(); 1301 char sort_tmp[128]; 1302 1303 if (ret < 0) 1304 return ret; 1305 1306 ret = perf_config(report__config, &report); 1307 if (ret) 1308 return ret; 1309 1310 argc = parse_options(argc, argv, options, report_usage, 0); 1311 if (argc) { 1312 /* 1313 * Special case: if there's an argument left then assume that 1314 * it's a symbol filter: 1315 */ 1316 if (argc > 1) 1317 usage_with_options(report_usage, options); 1318 1319 report.symbol_filter_str = argv[0]; 1320 } 1321 1322 if (annotate_check_args(&report.annotation_opts) < 0) 1323 return -EINVAL; 1324 1325 if (report.mmaps_mode) 1326 report.tasks_mode = true; 1327 1328 if (quiet) 1329 perf_quiet_option(); 1330 1331 if (symbol_conf.vmlinux_name && 1332 access(symbol_conf.vmlinux_name, R_OK)) { 1333 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); 1334 return -EINVAL; 1335 } 1336 if (symbol_conf.kallsyms_name && 1337 access(symbol_conf.kallsyms_name, R_OK)) { 1338 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); 1339 return -EINVAL; 1340 } 1341 1342 if (report.inverted_callchain) 1343 callchain_param.order = ORDER_CALLER; 1344 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1345 callchain_param.order = ORDER_CALLER; 1346 1347 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 1348 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1349 report.max_stack = itrace_synth_opts.callchain_sz; 1350 1351 if (!input_name || !strlen(input_name)) { 1352 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1353 input_name = "-"; 1354 else 1355 input_name = "perf.data"; 1356 } 1357 1358 data.path = input_name; 1359 data.force = symbol_conf.force; 1360 1361 repeat: 1362 session = perf_session__new(&data, false, &report.tool); 1363 if (IS_ERR(session)) 1364 return PTR_ERR(session); 1365 1366 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1367 if (ret) 1368 return ret; 1369 1370 if (zstd_init(&(session->zstd_data), 0) < 0) 1371 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1372 1373 if (report.queue_size) { 1374 ordered_events__set_alloc_size(&session->ordered_events, 1375 report.queue_size); 1376 } 1377 1378 session->itrace_synth_opts = &itrace_synth_opts; 1379 1380 report.session = session; 1381 1382 has_br_stack = perf_header__has_feat(&session->header, 1383 HEADER_BRANCH_STACK); 1384 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1385 has_br_stack = false; 1386 1387 setup_forced_leader(&report, session->evlist); 1388 1389 if (symbol_conf.group_sort_idx && !session->evlist->nr_groups) { 1390 parse_options_usage(NULL, options, "group-sort-idx", 0); 1391 ret = -EINVAL; 1392 goto error; 1393 } 1394 1395 if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch) 1396 has_br_stack = true; 1397 1398 if (has_br_stack && branch_call_mode) 1399 symbol_conf.show_branchflag_count = true; 1400 1401 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1402 1403 /* 1404 * Branch mode is a tristate: 1405 * -1 means default, so decide based on the file having branch data. 1406 * 0/1 means the user chose a mode. 1407 */ 1408 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1409 !branch_call_mode) { 1410 sort__mode = SORT_MODE__BRANCH; 1411 symbol_conf.cumulate_callchain = false; 1412 } 1413 if (branch_call_mode) { 1414 callchain_param.key = CCKEY_ADDRESS; 1415 callchain_param.branch_callstack = true; 1416 symbol_conf.use_callchain = true; 1417 callchain_register_param(&callchain_param); 1418 if (sort_order == NULL) 1419 sort_order = "srcline,symbol,dso"; 1420 } 1421 1422 if (report.mem_mode) { 1423 if (sort__mode == SORT_MODE__BRANCH) { 1424 pr_err("branch and mem mode incompatible\n"); 1425 goto error; 1426 } 1427 sort__mode = SORT_MODE__MEMORY; 1428 symbol_conf.cumulate_callchain = false; 1429 } 1430 1431 if (symbol_conf.report_hierarchy) { 1432 /* disable incompatible options */ 1433 symbol_conf.cumulate_callchain = false; 1434 1435 if (field_order) { 1436 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1437 parse_options_usage(report_usage, options, "F", 1); 1438 parse_options_usage(NULL, options, "hierarchy", 0); 1439 goto error; 1440 } 1441 1442 perf_hpp_list.need_collapse = true; 1443 } 1444 1445 if (report.use_stdio) 1446 use_browser = 0; 1447 else if (report.use_tui) 1448 use_browser = 1; 1449 else if (report.use_gtk) 1450 use_browser = 2; 1451 1452 /* Force tty output for header output and per-thread stat. */ 1453 if (report.header || report.header_only || report.show_threads) 1454 use_browser = 0; 1455 if (report.header || report.header_only) 1456 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1457 if (report.show_full_info) 1458 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1459 if (report.stats_mode || report.tasks_mode) 1460 use_browser = 0; 1461 if (report.stats_mode && report.tasks_mode) { 1462 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1463 goto error; 1464 } 1465 1466 if (report.total_cycles_mode) { 1467 if (sort__mode != SORT_MODE__BRANCH) 1468 report.total_cycles_mode = false; 1469 else 1470 sort_order = NULL; 1471 } 1472 1473 if (strcmp(input_name, "-") != 0) 1474 setup_browser(true); 1475 else 1476 use_browser = 0; 1477 1478 if (sort_order && strstr(sort_order, "ipc")) { 1479 parse_options_usage(report_usage, options, "s", 1); 1480 goto error; 1481 } 1482 1483 if (sort_order && strstr(sort_order, "symbol")) { 1484 if (sort__mode == SORT_MODE__BRANCH) { 1485 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1486 sort_order, "ipc_lbr"); 1487 report.symbol_ipc = true; 1488 } else { 1489 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1490 sort_order, "ipc_null"); 1491 } 1492 1493 sort_order = sort_tmp; 1494 } 1495 1496 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) && 1497 (setup_sorting(session->evlist) < 0)) { 1498 if (sort_order) 1499 parse_options_usage(report_usage, options, "s", 1); 1500 if (field_order) 1501 parse_options_usage(sort_order ? NULL : report_usage, 1502 options, "F", 1); 1503 goto error; 1504 } 1505 1506 if ((report.header || report.header_only) && !quiet) { 1507 perf_session__fprintf_info(session, stdout, 1508 report.show_full_info); 1509 if (report.header_only) { 1510 ret = 0; 1511 goto error; 1512 } 1513 } else if (use_browser == 0 && !quiet && 1514 !report.stats_mode && !report.tasks_mode) { 1515 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1516 stdout); 1517 } 1518 1519 /* 1520 * Only in the TUI browser we are doing integrated annotation, 1521 * so don't allocate extra space that won't be used in the stdio 1522 * implementation. 1523 */ 1524 if (ui__has_annotation() || report.symbol_ipc || 1525 report.total_cycles_mode) { 1526 ret = symbol__annotation_init(); 1527 if (ret < 0) 1528 goto error; 1529 /* 1530 * For searching by name on the "Browse map details". 1531 * providing it only in verbose mode not to bloat too 1532 * much struct symbol. 1533 */ 1534 if (verbose > 0) { 1535 /* 1536 * XXX: Need to provide a less kludgy way to ask for 1537 * more space per symbol, the u32 is for the index on 1538 * the ui browser. 1539 * See symbol__browser_index. 1540 */ 1541 symbol_conf.priv_size += sizeof(u32); 1542 symbol_conf.sort_by_name = true; 1543 } 1544 annotation_config__init(&report.annotation_opts); 1545 } 1546 1547 if (symbol__init(&session->header.env) < 0) 1548 goto error; 1549 1550 if (report.time_str) { 1551 ret = perf_time__parse_for_ranges(report.time_str, session, 1552 &report.ptime_range, 1553 &report.range_size, 1554 &report.range_num); 1555 if (ret < 0) 1556 goto error; 1557 1558 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1559 report.ptime_range, 1560 report.range_num); 1561 } 1562 1563 if (session->tevent.pevent && 1564 tep_set_function_resolver(session->tevent.pevent, 1565 machine__resolve_kernel_addr, 1566 &session->machines.host) < 0) { 1567 pr_err("%s: failed to set libtraceevent function resolver\n", 1568 __func__); 1569 return -1; 1570 } 1571 1572 sort__setup_elide(stdout); 1573 1574 ret = __cmd_report(&report); 1575 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) { 1576 perf_session__delete(session); 1577 last_key = K_SWITCH_INPUT_DATA; 1578 goto repeat; 1579 } else 1580 ret = 0; 1581 1582 error: 1583 if (report.ptime_range) { 1584 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1585 zfree(&report.ptime_range); 1586 } 1587 1588 if (report.block_reports) { 1589 block_info__free_report(report.block_reports, 1590 report.nr_block_reports); 1591 report.block_reports = NULL; 1592 } 1593 1594 zstd_fini(&(session->zstd_data)); 1595 perf_session__delete(session); 1596 return ret; 1597 } 1598