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/util.h" // perf_tip() 51 #include "ui/ui.h" 52 #include "ui/progress.h" 53 #include "util/block-info.h" 54 55 #include <dlfcn.h> 56 #include <errno.h> 57 #include <inttypes.h> 58 #include <regex.h> 59 #include <linux/ctype.h> 60 #include <signal.h> 61 #include <linux/bitmap.h> 62 #include <linux/string.h> 63 #include <linux/stringify.h> 64 #include <linux/time64.h> 65 #include <sys/types.h> 66 #include <sys/stat.h> 67 #include <unistd.h> 68 #include <linux/mman.h> 69 70 struct report { 71 struct perf_tool tool; 72 struct perf_session *session; 73 struct evswitch evswitch; 74 #ifdef HAVE_SLANG_SUPPORT 75 bool use_tui; 76 #endif 77 #ifdef HAVE_GTK2_SUPPORT 78 bool use_gtk; 79 #endif 80 bool use_stdio; 81 bool show_full_info; 82 bool show_threads; 83 bool inverted_callchain; 84 bool mem_mode; 85 bool stats_mode; 86 bool tasks_mode; 87 bool mmaps_mode; 88 bool header; 89 bool header_only; 90 bool nonany_branch_mode; 91 bool group_set; 92 bool stitch_lbr; 93 bool disable_order; 94 bool skip_empty; 95 int max_stack; 96 struct perf_read_values show_threads_values; 97 struct annotation_options annotation_opts; 98 const char *pretty_printing_style; 99 const char *cpu_list; 100 const char *symbol_filter_str; 101 const char *time_str; 102 struct perf_time_interval *ptime_range; 103 int range_size; 104 int range_num; 105 float min_percent; 106 u64 nr_entries; 107 u64 queue_size; 108 u64 total_cycles; 109 int socket_filter; 110 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 111 struct branch_type_stat brtype_stat; 112 bool symbol_ipc; 113 bool total_cycles_mode; 114 struct block_report *block_reports; 115 int nr_block_reports; 116 }; 117 118 static int report__config(const char *var, const char *value, void *cb) 119 { 120 struct report *rep = cb; 121 122 if (!strcmp(var, "report.group")) { 123 symbol_conf.event_group = perf_config_bool(var, value); 124 return 0; 125 } 126 if (!strcmp(var, "report.percent-limit")) { 127 double pcnt = strtof(value, NULL); 128 129 rep->min_percent = pcnt; 130 callchain_param.min_percent = pcnt; 131 return 0; 132 } 133 if (!strcmp(var, "report.children")) { 134 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 135 return 0; 136 } 137 if (!strcmp(var, "report.queue-size")) 138 return perf_config_u64(&rep->queue_size, var, value); 139 140 if (!strcmp(var, "report.sort_order")) { 141 default_sort_order = strdup(value); 142 return 0; 143 } 144 145 if (!strcmp(var, "report.skip-empty")) { 146 rep->skip_empty = perf_config_bool(var, value); 147 return 0; 148 } 149 150 return 0; 151 } 152 153 static int hist_iter__report_callback(struct hist_entry_iter *iter, 154 struct addr_location *al, bool single, 155 void *arg) 156 { 157 int err = 0; 158 struct report *rep = arg; 159 struct hist_entry *he = iter->he; 160 struct evsel *evsel = iter->evsel; 161 struct perf_sample *sample = iter->sample; 162 struct mem_info *mi; 163 struct branch_info *bi; 164 165 if (!ui__has_annotation() && !rep->symbol_ipc) 166 return 0; 167 168 if (sort__mode == SORT_MODE__BRANCH) { 169 bi = he->branch_info; 170 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 171 if (err) 172 goto out; 173 174 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 175 176 } else if (rep->mem_mode) { 177 mi = he->mem_info; 178 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 179 if (err) 180 goto out; 181 182 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 183 184 } else if (symbol_conf.cumulate_callchain) { 185 if (single) 186 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 187 } else { 188 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 189 } 190 191 out: 192 return err; 193 } 194 195 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 196 struct addr_location *al __maybe_unused, 197 bool single __maybe_unused, 198 void *arg) 199 { 200 struct hist_entry *he = iter->he; 201 struct report *rep = arg; 202 struct branch_info *bi = he->branch_info; 203 struct perf_sample *sample = iter->sample; 204 struct evsel *evsel = iter->evsel; 205 int err; 206 207 branch_type_count(&rep->brtype_stat, &bi->flags, 208 bi->from.addr, bi->to.addr); 209 210 if (!ui__has_annotation() && !rep->symbol_ipc) 211 return 0; 212 213 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 214 if (err) 215 goto out; 216 217 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 218 219 out: 220 return err; 221 } 222 223 static void setup_forced_leader(struct report *report, 224 struct evlist *evlist) 225 { 226 if (report->group_set) 227 evlist__force_leader(evlist); 228 } 229 230 static int process_feature_event(struct perf_session *session, 231 union perf_event *event) 232 { 233 struct report *rep = container_of(session->tool, struct report, tool); 234 235 if (event->feat.feat_id < HEADER_LAST_FEATURE) 236 return perf_event__process_feature(session, event); 237 238 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 239 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", 240 event->feat.feat_id); 241 return -1; 242 } else if (rep->header_only) { 243 session_done = 1; 244 } 245 246 /* 247 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 248 * means all features are received, now we can force the 249 * group if needed. 250 */ 251 setup_forced_leader(rep, session->evlist); 252 return 0; 253 } 254 255 static int process_sample_event(struct perf_tool *tool, 256 union perf_event *event, 257 struct perf_sample *sample, 258 struct evsel *evsel, 259 struct machine *machine) 260 { 261 struct report *rep = container_of(tool, struct report, tool); 262 struct addr_location al; 263 struct hist_entry_iter iter = { 264 .evsel = evsel, 265 .sample = sample, 266 .hide_unresolved = symbol_conf.hide_unresolved, 267 .add_entry_cb = hist_iter__report_callback, 268 }; 269 int ret = 0; 270 271 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 272 sample->time)) { 273 return 0; 274 } 275 276 if (evswitch__discard(&rep->evswitch, evsel)) 277 return 0; 278 279 if (machine__resolve(machine, &al, sample) < 0) { 280 pr_debug("problem processing %d event, skipping it.\n", 281 event->header.type); 282 return -1; 283 } 284 285 if (rep->stitch_lbr) 286 al.thread->lbr_stitch_enable = true; 287 288 if (symbol_conf.hide_unresolved && al.sym == NULL) 289 goto out_put; 290 291 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 292 goto out_put; 293 294 if (sort__mode == SORT_MODE__BRANCH) { 295 /* 296 * A non-synthesized event might not have a branch stack if 297 * branch stacks have been synthesized (using itrace options). 298 */ 299 if (!sample->branch_stack) 300 goto out_put; 301 302 iter.add_entry_cb = hist_iter__branch_callback; 303 iter.ops = &hist_iter_branch; 304 } else if (rep->mem_mode) { 305 iter.ops = &hist_iter_mem; 306 } else if (symbol_conf.cumulate_callchain) { 307 iter.ops = &hist_iter_cumulative; 308 } else { 309 iter.ops = &hist_iter_normal; 310 } 311 312 if (al.map != NULL) 313 al.map->dso->hit = 1; 314 315 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { 316 hist__account_cycles(sample->branch_stack, &al, sample, 317 rep->nonany_branch_mode, 318 &rep->total_cycles); 319 } 320 321 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 322 if (ret < 0) 323 pr_debug("problem adding hist entry, skipping event\n"); 324 out_put: 325 addr_location__put(&al); 326 return ret; 327 } 328 329 static int process_read_event(struct perf_tool *tool, 330 union perf_event *event, 331 struct perf_sample *sample __maybe_unused, 332 struct evsel *evsel, 333 struct machine *machine __maybe_unused) 334 { 335 struct report *rep = container_of(tool, struct report, tool); 336 337 if (rep->show_threads) { 338 const char *name = evsel__name(evsel); 339 int err = perf_read_values_add_value(&rep->show_threads_values, 340 event->read.pid, event->read.tid, 341 evsel->core.idx, 342 name, 343 event->read.value); 344 345 if (err) 346 return err; 347 } 348 349 return 0; 350 } 351 352 /* For pipe mode, sample_type is not currently set */ 353 static int report__setup_sample_type(struct report *rep) 354 { 355 struct perf_session *session = rep->session; 356 u64 sample_type = evlist__combined_sample_type(session->evlist); 357 bool is_pipe = perf_data__is_pipe(session->data); 358 struct evsel *evsel; 359 360 if (session->itrace_synth_opts->callchain || 361 session->itrace_synth_opts->add_callchain || 362 (!is_pipe && 363 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 364 !session->itrace_synth_opts->set)) 365 sample_type |= PERF_SAMPLE_CALLCHAIN; 366 367 if (session->itrace_synth_opts->last_branch || 368 session->itrace_synth_opts->add_last_branch) 369 sample_type |= PERF_SAMPLE_BRANCH_STACK; 370 371 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 372 if (perf_hpp_list.parent) { 373 ui__error("Selected --sort parent, but no " 374 "callchain data. Did you call " 375 "'perf record' without -g?\n"); 376 return -EINVAL; 377 } 378 if (symbol_conf.use_callchain && 379 !symbol_conf.show_branchflag_count) { 380 ui__error("Selected -g or --branch-history.\n" 381 "But no callchain or branch data.\n" 382 "Did you call 'perf record' without -g or -b?\n"); 383 return -1; 384 } 385 } else if (!callchain_param.enabled && 386 callchain_param.mode != CHAIN_NONE && 387 !symbol_conf.use_callchain) { 388 symbol_conf.use_callchain = true; 389 if (callchain_register_param(&callchain_param) < 0) { 390 ui__error("Can't register callchain params.\n"); 391 return -EINVAL; 392 } 393 } 394 395 if (symbol_conf.cumulate_callchain) { 396 /* Silently ignore if callchain is missing */ 397 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 398 symbol_conf.cumulate_callchain = false; 399 perf_hpp__cancel_cumulate(); 400 } 401 } 402 403 if (sort__mode == SORT_MODE__BRANCH) { 404 if (!is_pipe && 405 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 406 ui__error("Selected -b but no branch data. " 407 "Did you call perf record without -b?\n"); 408 return -1; 409 } 410 } 411 412 if (sort__mode == SORT_MODE__MEMORY) { 413 /* 414 * FIXUP: prior to kernel 5.18, Arm SPE missed to set 415 * PERF_SAMPLE_DATA_SRC bit in sample type. For backward 416 * compatibility, set the bit if it's an old perf data file. 417 */ 418 evlist__for_each_entry(session->evlist, evsel) { 419 if (strstr(evsel->name, "arm_spe") && 420 !(sample_type & PERF_SAMPLE_DATA_SRC)) { 421 evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC; 422 sample_type |= PERF_SAMPLE_DATA_SRC; 423 } 424 } 425 426 if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) { 427 ui__error("Selected --mem-mode but no mem data. " 428 "Did you call perf record without -d?\n"); 429 return -1; 430 } 431 } 432 433 callchain_param_setup(sample_type, perf_env__arch(&rep->session->header.env)); 434 435 if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 436 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 437 "Please apply --call-graph lbr when recording.\n"); 438 rep->stitch_lbr = false; 439 } 440 441 /* ??? handle more cases than just ANY? */ 442 if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) 443 rep->nonany_branch_mode = true; 444 445 #if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT) 446 if (dwarf_callchain_users) { 447 ui__warning("Please install libunwind or libdw " 448 "development packages during the perf build.\n"); 449 } 450 #endif 451 452 return 0; 453 } 454 455 static void sig_handler(int sig __maybe_unused) 456 { 457 session_done = 1; 458 } 459 460 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 461 const char *evname, FILE *fp) 462 { 463 size_t ret; 464 char unit; 465 unsigned long nr_samples = hists->stats.nr_samples; 466 u64 nr_events = hists->stats.total_period; 467 struct evsel *evsel = hists_to_evsel(hists); 468 char buf[512]; 469 size_t size = sizeof(buf); 470 int socked_id = hists->socket_filter; 471 472 if (quiet) 473 return 0; 474 475 if (symbol_conf.filter_relative) { 476 nr_samples = hists->stats.nr_non_filtered_samples; 477 nr_events = hists->stats.total_non_filtered_period; 478 } 479 480 if (evsel__is_group_event(evsel)) { 481 struct evsel *pos; 482 483 evsel__group_desc(evsel, buf, size); 484 evname = buf; 485 486 for_each_group_member(pos, evsel) { 487 const struct hists *pos_hists = evsel__hists(pos); 488 489 if (symbol_conf.filter_relative) { 490 nr_samples += pos_hists->stats.nr_non_filtered_samples; 491 nr_events += pos_hists->stats.total_non_filtered_period; 492 } else { 493 nr_samples += pos_hists->stats.nr_samples; 494 nr_events += pos_hists->stats.total_period; 495 } 496 } 497 } 498 499 nr_samples = convert_unit(nr_samples, &unit); 500 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 501 if (evname != NULL) { 502 ret += fprintf(fp, " of event%s '%s'", 503 evsel->core.nr_members > 1 ? "s" : "", evname); 504 } 505 506 if (rep->time_str) 507 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 508 509 if (symbol_conf.show_ref_callgraph && evname && strstr(evname, "call-graph=no")) { 510 ret += fprintf(fp, ", show reference callgraph"); 511 } 512 513 if (rep->mem_mode) { 514 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 515 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 516 } else 517 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 518 519 if (socked_id > -1) 520 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 521 522 return ret + fprintf(fp, "\n#\n"); 523 } 524 525 static int evlist__tui_block_hists_browse(struct evlist *evlist, struct report *rep) 526 { 527 struct evsel *pos; 528 int i = 0, ret; 529 530 evlist__for_each_entry(evlist, pos) { 531 ret = report__browse_block_hists(&rep->block_reports[i++].hist, 532 rep->min_percent, pos, 533 &rep->session->header.env, 534 &rep->annotation_opts); 535 if (ret != 0) 536 return ret; 537 } 538 539 return 0; 540 } 541 542 static int evlist__tty_browse_hists(struct evlist *evlist, struct report *rep, const char *help) 543 { 544 struct evsel *pos; 545 int i = 0; 546 547 if (!quiet) { 548 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 549 evlist->stats.total_lost_samples); 550 } 551 552 evlist__for_each_entry(evlist, pos) { 553 struct hists *hists = evsel__hists(pos); 554 const char *evname = evsel__name(pos); 555 556 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) 557 continue; 558 559 if (rep->skip_empty && !hists->stats.nr_samples) 560 continue; 561 562 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 563 564 if (rep->total_cycles_mode) { 565 report__browse_block_hists(&rep->block_reports[i++].hist, 566 rep->min_percent, pos, 567 NULL, NULL); 568 continue; 569 } 570 571 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 572 !(symbol_conf.use_callchain || 573 symbol_conf.show_branchflag_count)); 574 fprintf(stdout, "\n\n"); 575 } 576 577 if (!quiet) 578 fprintf(stdout, "#\n# (%s)\n#\n", help); 579 580 if (rep->show_threads) { 581 bool style = !strcmp(rep->pretty_printing_style, "raw"); 582 perf_read_values_display(stdout, &rep->show_threads_values, 583 style); 584 perf_read_values_destroy(&rep->show_threads_values); 585 } 586 587 if (sort__mode == SORT_MODE__BRANCH) 588 branch_type_stat_display(stdout, &rep->brtype_stat); 589 590 return 0; 591 } 592 593 static void report__warn_kptr_restrict(const struct report *rep) 594 { 595 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 596 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 597 598 if (evlist__exclude_kernel(rep->session->evlist)) 599 return; 600 601 if (kernel_map == NULL || 602 (kernel_map->dso->hit && 603 (kernel_kmap->ref_reloc_sym == NULL || 604 kernel_kmap->ref_reloc_sym->addr == 0))) { 605 const char *desc = 606 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 607 "can't be resolved."; 608 609 if (kernel_map && map__has_symbols(kernel_map)) { 610 desc = "If some relocation was applied (e.g. " 611 "kexec) symbols may be misresolved."; 612 } 613 614 ui__warning( 615 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 616 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 617 "Samples in kernel modules can't be resolved as well.\n\n", 618 desc); 619 } 620 } 621 622 static int report__gtk_browse_hists(struct report *rep, const char *help) 623 { 624 int (*hist_browser)(struct evlist *evlist, const char *help, 625 struct hist_browser_timer *timer, float min_pcnt); 626 627 hist_browser = dlsym(perf_gtk_handle, "evlist__gtk_browse_hists"); 628 629 if (hist_browser == NULL) { 630 ui__error("GTK browser not found!\n"); 631 return -1; 632 } 633 634 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 635 } 636 637 static int report__browse_hists(struct report *rep) 638 { 639 int ret; 640 struct perf_session *session = rep->session; 641 struct evlist *evlist = session->evlist; 642 char *help = NULL, *path = NULL; 643 644 path = system_path(TIPDIR); 645 if (perf_tip(&help, path) || help == NULL) { 646 /* fallback for people who don't install perf ;-) */ 647 free(path); 648 path = system_path(DOCDIR); 649 if (perf_tip(&help, path) || help == NULL) 650 help = strdup("Cannot load tips.txt file, please install perf!"); 651 } 652 free(path); 653 654 switch (use_browser) { 655 case 1: 656 if (rep->total_cycles_mode) { 657 ret = evlist__tui_block_hists_browse(evlist, rep); 658 break; 659 } 660 661 ret = evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent, 662 &session->header.env, true, &rep->annotation_opts); 663 /* 664 * Usually "ret" is the last pressed key, and we only 665 * care if the key notifies us to switch data file. 666 */ 667 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD) 668 ret = 0; 669 break; 670 case 2: 671 ret = report__gtk_browse_hists(rep, help); 672 break; 673 default: 674 ret = evlist__tty_browse_hists(evlist, rep, help); 675 break; 676 } 677 free(help); 678 return ret; 679 } 680 681 static int report__collapse_hists(struct report *rep) 682 { 683 struct ui_progress prog; 684 struct evsel *pos; 685 int ret = 0; 686 687 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 688 689 evlist__for_each_entry(rep->session->evlist, pos) { 690 struct hists *hists = evsel__hists(pos); 691 692 if (pos->core.idx == 0) 693 hists->symbol_filter_str = rep->symbol_filter_str; 694 695 hists->socket_filter = rep->socket_filter; 696 697 ret = hists__collapse_resort(hists, &prog); 698 if (ret < 0) 699 break; 700 701 /* Non-group events are considered as leader */ 702 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) { 703 struct hists *leader_hists = evsel__hists(evsel__leader(pos)); 704 705 hists__match(leader_hists, hists); 706 hists__link(leader_hists, hists); 707 } 708 } 709 710 ui_progress__finish(); 711 return ret; 712 } 713 714 static int hists__resort_cb(struct hist_entry *he, void *arg) 715 { 716 struct report *rep = arg; 717 struct symbol *sym = he->ms.sym; 718 719 if (rep->symbol_ipc && sym && !sym->annotate2) { 720 struct evsel *evsel = hists_to_evsel(he->hists); 721 722 symbol__annotate2(&he->ms, evsel, 723 &annotation__default_options, NULL); 724 } 725 726 return 0; 727 } 728 729 static void report__output_resort(struct report *rep) 730 { 731 struct ui_progress prog; 732 struct evsel *pos; 733 734 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 735 736 evlist__for_each_entry(rep->session->evlist, pos) { 737 evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep); 738 } 739 740 ui_progress__finish(); 741 } 742 743 static int count_sample_event(struct perf_tool *tool __maybe_unused, 744 union perf_event *event __maybe_unused, 745 struct perf_sample *sample __maybe_unused, 746 struct evsel *evsel, 747 struct machine *machine __maybe_unused) 748 { 749 struct hists *hists = evsel__hists(evsel); 750 751 hists__inc_nr_events(hists); 752 return 0; 753 } 754 755 static int process_attr(struct perf_tool *tool __maybe_unused, 756 union perf_event *event, 757 struct evlist **pevlist); 758 759 static void stats_setup(struct report *rep) 760 { 761 memset(&rep->tool, 0, sizeof(rep->tool)); 762 rep->tool.attr = process_attr; 763 rep->tool.sample = count_sample_event; 764 rep->tool.no_warn = true; 765 } 766 767 static int stats_print(struct report *rep) 768 { 769 struct perf_session *session = rep->session; 770 771 perf_session__fprintf_nr_events(session, stdout, rep->skip_empty); 772 evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty); 773 return 0; 774 } 775 776 static void tasks_setup(struct report *rep) 777 { 778 memset(&rep->tool, 0, sizeof(rep->tool)); 779 rep->tool.ordered_events = true; 780 if (rep->mmaps_mode) { 781 rep->tool.mmap = perf_event__process_mmap; 782 rep->tool.mmap2 = perf_event__process_mmap2; 783 } 784 rep->tool.attr = process_attr; 785 rep->tool.comm = perf_event__process_comm; 786 rep->tool.exit = perf_event__process_exit; 787 rep->tool.fork = perf_event__process_fork; 788 rep->tool.no_warn = true; 789 } 790 791 struct task { 792 struct thread *thread; 793 struct list_head list; 794 struct list_head children; 795 }; 796 797 static struct task *tasks_list(struct task *task, struct machine *machine) 798 { 799 struct thread *parent_thread, *thread = task->thread; 800 struct task *parent_task; 801 802 /* Already listed. */ 803 if (!list_empty(&task->list)) 804 return NULL; 805 806 /* Last one in the chain. */ 807 if (thread->ppid == -1) 808 return task; 809 810 parent_thread = machine__find_thread(machine, -1, thread->ppid); 811 if (!parent_thread) 812 return ERR_PTR(-ENOENT); 813 814 parent_task = thread__priv(parent_thread); 815 list_add_tail(&task->list, &parent_task->children); 816 return tasks_list(parent_task, machine); 817 } 818 819 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 820 { 821 size_t printed = 0; 822 struct map *map; 823 824 maps__for_each_entry(maps, map) { 825 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 826 indent, "", map->start, map->end, 827 map->prot & PROT_READ ? 'r' : '-', 828 map->prot & PROT_WRITE ? 'w' : '-', 829 map->prot & PROT_EXEC ? 'x' : '-', 830 map->flags & MAP_SHARED ? 's' : 'p', 831 map->pgoff, 832 map->dso->id.ino, map->dso->name); 833 } 834 835 return printed; 836 } 837 838 static void task__print_level(struct task *task, FILE *fp, int level) 839 { 840 struct thread *thread = task->thread; 841 struct task *child; 842 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 843 thread->pid_, thread->tid, thread->ppid, 844 level, ""); 845 846 fprintf(fp, "%s\n", thread__comm_str(thread)); 847 848 maps__fprintf_task(thread->maps, comm_indent, fp); 849 850 if (!list_empty(&task->children)) { 851 list_for_each_entry(child, &task->children, list) 852 task__print_level(child, fp, level + 1); 853 } 854 } 855 856 static int tasks_print(struct report *rep, FILE *fp) 857 { 858 struct perf_session *session = rep->session; 859 struct machine *machine = &session->machines.host; 860 struct task *tasks, *task; 861 unsigned int nr = 0, itask = 0, i; 862 struct rb_node *nd; 863 LIST_HEAD(list); 864 865 /* 866 * No locking needed while accessing machine->threads, 867 * because --tasks is single threaded command. 868 */ 869 870 /* Count all the threads. */ 871 for (i = 0; i < THREADS__TABLE_SIZE; i++) 872 nr += machine->threads[i].nr; 873 874 tasks = malloc(sizeof(*tasks) * nr); 875 if (!tasks) 876 return -ENOMEM; 877 878 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 879 struct threads *threads = &machine->threads[i]; 880 881 for (nd = rb_first_cached(&threads->entries); nd; 882 nd = rb_next(nd)) { 883 task = tasks + itask++; 884 885 task->thread = rb_entry(nd, struct thread, rb_node); 886 INIT_LIST_HEAD(&task->children); 887 INIT_LIST_HEAD(&task->list); 888 thread__set_priv(task->thread, task); 889 } 890 } 891 892 /* 893 * Iterate every task down to the unprocessed parent 894 * and link all in task children list. Task with no 895 * parent is added into 'list'. 896 */ 897 for (itask = 0; itask < nr; itask++) { 898 task = tasks + itask; 899 900 if (!list_empty(&task->list)) 901 continue; 902 903 task = tasks_list(task, machine); 904 if (IS_ERR(task)) { 905 pr_err("Error: failed to process tasks\n"); 906 free(tasks); 907 return PTR_ERR(task); 908 } 909 910 if (task) 911 list_add_tail(&task->list, &list); 912 } 913 914 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 915 916 list_for_each_entry(task, &list, list) 917 task__print_level(task, fp, 0); 918 919 free(tasks); 920 return 0; 921 } 922 923 static int __cmd_report(struct report *rep) 924 { 925 int ret; 926 struct perf_session *session = rep->session; 927 struct evsel *pos; 928 struct perf_data *data = session->data; 929 930 signal(SIGINT, sig_handler); 931 932 if (rep->cpu_list) { 933 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 934 rep->cpu_bitmap); 935 if (ret) { 936 ui__error("failed to set cpu bitmap\n"); 937 return ret; 938 } 939 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 940 } 941 942 if (rep->show_threads) { 943 ret = perf_read_values_init(&rep->show_threads_values); 944 if (ret) 945 return ret; 946 } 947 948 ret = report__setup_sample_type(rep); 949 if (ret) { 950 /* report__setup_sample_type() already showed error message */ 951 return ret; 952 } 953 954 if (rep->stats_mode) 955 stats_setup(rep); 956 957 if (rep->tasks_mode) 958 tasks_setup(rep); 959 960 ret = perf_session__process_events(session); 961 if (ret) { 962 ui__error("failed to process sample\n"); 963 return ret; 964 } 965 966 evlist__check_mem_load_aux(session->evlist); 967 968 if (rep->stats_mode) 969 return stats_print(rep); 970 971 if (rep->tasks_mode) 972 return tasks_print(rep, stdout); 973 974 report__warn_kptr_restrict(rep); 975 976 evlist__for_each_entry(session->evlist, pos) 977 rep->nr_entries += evsel__hists(pos)->nr_entries; 978 979 if (use_browser == 0) { 980 if (verbose > 3) 981 perf_session__fprintf(session, stdout); 982 983 if (verbose > 2) 984 perf_session__fprintf_dsos(session, stdout); 985 986 if (dump_trace) { 987 perf_session__fprintf_nr_events(session, stdout, 988 rep->skip_empty); 989 evlist__fprintf_nr_events(session->evlist, stdout, 990 rep->skip_empty); 991 return 0; 992 } 993 } 994 995 ret = report__collapse_hists(rep); 996 if (ret) { 997 ui__error("failed to process hist entry\n"); 998 return ret; 999 } 1000 1001 if (session_done()) 1002 return 0; 1003 1004 /* 1005 * recalculate number of entries after collapsing since it 1006 * might be changed during the collapse phase. 1007 */ 1008 rep->nr_entries = 0; 1009 evlist__for_each_entry(session->evlist, pos) 1010 rep->nr_entries += evsel__hists(pos)->nr_entries; 1011 1012 if (rep->nr_entries == 0) { 1013 ui__error("The %s data has no samples!\n", data->path); 1014 return 0; 1015 } 1016 1017 report__output_resort(rep); 1018 1019 if (rep->total_cycles_mode) { 1020 int block_hpps[6] = { 1021 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT, 1022 PERF_HPP_REPORT__BLOCK_LBR_CYCLES, 1023 PERF_HPP_REPORT__BLOCK_CYCLES_PCT, 1024 PERF_HPP_REPORT__BLOCK_AVG_CYCLES, 1025 PERF_HPP_REPORT__BLOCK_RANGE, 1026 PERF_HPP_REPORT__BLOCK_DSO, 1027 }; 1028 1029 rep->block_reports = block_info__create_report(session->evlist, 1030 rep->total_cycles, 1031 block_hpps, 6, 1032 &rep->nr_block_reports); 1033 if (!rep->block_reports) 1034 return -1; 1035 } 1036 1037 return report__browse_hists(rep); 1038 } 1039 1040 static int 1041 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 1042 { 1043 struct callchain_param *callchain = opt->value; 1044 1045 callchain->enabled = !unset; 1046 /* 1047 * --no-call-graph 1048 */ 1049 if (unset) { 1050 symbol_conf.use_callchain = false; 1051 callchain->mode = CHAIN_NONE; 1052 return 0; 1053 } 1054 1055 return parse_callchain_report_opt(arg); 1056 } 1057 1058 static int 1059 parse_time_quantum(const struct option *opt, const char *arg, 1060 int unset __maybe_unused) 1061 { 1062 unsigned long *time_q = opt->value; 1063 char *end; 1064 1065 *time_q = strtoul(arg, &end, 0); 1066 if (end == arg) 1067 goto parse_err; 1068 if (*time_q == 0) { 1069 pr_err("time quantum cannot be 0"); 1070 return -1; 1071 } 1072 end = skip_spaces(end); 1073 if (*end == 0) 1074 return 0; 1075 if (!strcmp(end, "s")) { 1076 *time_q *= NSEC_PER_SEC; 1077 return 0; 1078 } 1079 if (!strcmp(end, "ms")) { 1080 *time_q *= NSEC_PER_MSEC; 1081 return 0; 1082 } 1083 if (!strcmp(end, "us")) { 1084 *time_q *= NSEC_PER_USEC; 1085 return 0; 1086 } 1087 if (!strcmp(end, "ns")) 1088 return 0; 1089 parse_err: 1090 pr_err("Cannot parse time quantum `%s'\n", arg); 1091 return -1; 1092 } 1093 1094 int 1095 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 1096 const char *arg, int unset __maybe_unused) 1097 { 1098 if (arg) { 1099 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 1100 if (err) { 1101 char buf[BUFSIZ]; 1102 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 1103 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 1104 return -1; 1105 } 1106 have_ignore_callees = 1; 1107 } 1108 1109 return 0; 1110 } 1111 1112 static int 1113 parse_branch_mode(const struct option *opt, 1114 const char *str __maybe_unused, int unset) 1115 { 1116 int *branch_mode = opt->value; 1117 1118 *branch_mode = !unset; 1119 return 0; 1120 } 1121 1122 static int 1123 parse_percent_limit(const struct option *opt, const char *str, 1124 int unset __maybe_unused) 1125 { 1126 struct report *rep = opt->value; 1127 double pcnt = strtof(str, NULL); 1128 1129 rep->min_percent = pcnt; 1130 callchain_param.min_percent = pcnt; 1131 return 0; 1132 } 1133 1134 static int process_attr(struct perf_tool *tool __maybe_unused, 1135 union perf_event *event, 1136 struct evlist **pevlist) 1137 { 1138 u64 sample_type; 1139 int err; 1140 1141 err = perf_event__process_attr(tool, event, pevlist); 1142 if (err) 1143 return err; 1144 1145 /* 1146 * Check if we need to enable callchains based 1147 * on events sample_type. 1148 */ 1149 sample_type = evlist__combined_sample_type(*pevlist); 1150 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 1151 return 0; 1152 } 1153 1154 int cmd_report(int argc, const char **argv) 1155 { 1156 struct perf_session *session; 1157 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1158 struct stat st; 1159 bool has_br_stack = false; 1160 int branch_mode = -1; 1161 int last_key = 0; 1162 bool branch_call_mode = false; 1163 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1164 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1165 CALLCHAIN_REPORT_HELP 1166 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1167 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1168 const char * const report_usage[] = { 1169 "perf report [<options>]", 1170 NULL 1171 }; 1172 struct report report = { 1173 .tool = { 1174 .sample = process_sample_event, 1175 .mmap = perf_event__process_mmap, 1176 .mmap2 = perf_event__process_mmap2, 1177 .comm = perf_event__process_comm, 1178 .namespaces = perf_event__process_namespaces, 1179 .cgroup = perf_event__process_cgroup, 1180 .exit = perf_event__process_exit, 1181 .fork = perf_event__process_fork, 1182 .lost = perf_event__process_lost, 1183 .read = process_read_event, 1184 .attr = process_attr, 1185 .tracing_data = perf_event__process_tracing_data, 1186 .build_id = perf_event__process_build_id, 1187 .id_index = perf_event__process_id_index, 1188 .auxtrace_info = perf_event__process_auxtrace_info, 1189 .auxtrace = perf_event__process_auxtrace, 1190 .event_update = perf_event__process_event_update, 1191 .feature = process_feature_event, 1192 .ordered_events = true, 1193 .ordering_requires_timestamps = true, 1194 }, 1195 .max_stack = PERF_MAX_STACK_DEPTH, 1196 .pretty_printing_style = "normal", 1197 .socket_filter = -1, 1198 .annotation_opts = annotation__default_options, 1199 .skip_empty = true, 1200 }; 1201 char *sort_order_help = sort_help("sort by key(s):"); 1202 char *field_order_help = sort_help("output field(s): overhead period sample "); 1203 const struct option options[] = { 1204 OPT_STRING('i', "input", &input_name, "file", 1205 "input file name"), 1206 OPT_INCR('v', "verbose", &verbose, 1207 "be more verbose (show symbol address, etc)"), 1208 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 1209 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1210 "dump raw trace in ASCII"), 1211 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1212 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1213 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1214 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1215 "file", "vmlinux pathname"), 1216 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1217 "don't load vmlinux even if found"), 1218 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1219 "file", "kallsyms pathname"), 1220 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1221 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1222 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1223 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1224 "Show a column with the number of samples"), 1225 OPT_BOOLEAN('T', "threads", &report.show_threads, 1226 "Show per-thread event counters"), 1227 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1228 "pretty printing style key: normal raw"), 1229 #ifdef HAVE_SLANG_SUPPORT 1230 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1231 #endif 1232 #ifdef HAVE_GTK2_SUPPORT 1233 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1234 #endif 1235 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1236 "Use the stdio interface"), 1237 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1238 OPT_BOOLEAN(0, "header-only", &report.header_only, 1239 "Show only data header."), 1240 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1241 sort_order_help), 1242 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1243 field_order_help), 1244 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1245 "Show sample percentage for different cpu modes"), 1246 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1247 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1248 OPT_STRING('p', "parent", &parent_pattern, "regex", 1249 "regex filter to identify parent, see: '--sort parent'"), 1250 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1251 "Only display entries with parent-match"), 1252 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1253 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1254 report_callchain_help, &report_parse_callchain_opt, 1255 callchain_default_opt), 1256 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1257 "Accumulate callchains of children and show total overhead as well. " 1258 "Enabled by default, use --no-children to disable."), 1259 OPT_INTEGER(0, "max-stack", &report.max_stack, 1260 "Set the maximum stack depth when parsing the callchain, " 1261 "anything beyond the specified depth will be ignored. " 1262 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1263 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1264 "alias for inverted call graph"), 1265 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1266 "ignore callees of these functions in call graphs", 1267 report_parse_ignore_callees_opt), 1268 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1269 "only consider symbols in these dsos"), 1270 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1271 "only consider symbols in these comms"), 1272 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1273 "only consider symbols in these pids"), 1274 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1275 "only consider symbols in these tids"), 1276 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1277 "only consider these symbols"), 1278 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1279 "only show symbols that (partially) match with this filter"), 1280 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1281 "width[,width...]", 1282 "don't try to adjust column width, use these fixed values"), 1283 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1284 "separator for columns, no spaces will be added between " 1285 "columns '.' is reserved."), 1286 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1287 "Only display entries resolved to a symbol"), 1288 OPT_CALLBACK(0, "symfs", NULL, "directory", 1289 "Look for files with symbols relative to this directory", 1290 symbol__config_symfs), 1291 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1292 "list of cpus to profile"), 1293 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1294 "Display extended information about perf.data file"), 1295 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1296 "Interleave source code with assembly code (default)"), 1297 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1298 "Display raw encoding of assembly instructions (default)"), 1299 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1300 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1301 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix", 1302 "Add prefix to source file path names in programs (with --prefix-strip)"), 1303 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N", 1304 "Strip first N entries of source file path name in programs (with --prefix)"), 1305 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1306 "Show a column with the sum of periods"), 1307 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1308 "Show event group information together"), 1309 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx, 1310 "Sort the output by the event at the index n in group. " 1311 "If n is invalid, sort by the first event. " 1312 "WARNING: should be used on grouped events."), 1313 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1314 "use branch records for per branch histogram filling", 1315 parse_branch_mode), 1316 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1317 "add last branch records to call history"), 1318 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1319 "objdump binary to use for disassembly and annotations"), 1320 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1321 "Disable symbol demangling"), 1322 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1323 "Enable kernel symbol demangling"), 1324 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1325 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1326 "Number of samples to save per histogram entry for individual browsing"), 1327 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1328 "Don't show entries under that percent", parse_percent_limit), 1329 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1330 "how to display percentage of filtered entries", parse_filter_percentage), 1331 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1332 "Instruction Tracing options\n" ITRACE_HELP, 1333 itrace_parse_synth_opts), 1334 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1335 "Show full source file name path for source lines"), 1336 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1337 "Show callgraph from reference event"), 1338 OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, 1339 "Enable LBR callgraph stitching approach"), 1340 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1341 "only show processor socket that match with this filter"), 1342 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1343 "Show raw trace event output (do not use print fmt or plugins)"), 1344 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1345 "Show entries in a hierarchy"), 1346 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1347 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1348 stdio__config_color, "always"), 1349 OPT_STRING(0, "time", &report.time_str, "str", 1350 "Time span of interest (start,stop)"), 1351 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1352 "Show inline function"), 1353 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1354 "Set percent type local/global-period/hits", 1355 annotate_parse_percent_type), 1356 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1357 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1358 "Set time quantum for time sort key (default 100ms)", 1359 parse_time_quantum), 1360 OPTS_EVSWITCH(&report.evswitch), 1361 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode, 1362 "Sort all blocks by 'Sampled Cycles%'"), 1363 OPT_BOOLEAN(0, "disable-order", &report.disable_order, 1364 "Disable raw trace ordering"), 1365 OPT_BOOLEAN(0, "skip-empty", &report.skip_empty, 1366 "Do not display empty (or dummy) events in the output"), 1367 OPT_END() 1368 }; 1369 struct perf_data data = { 1370 .mode = PERF_DATA_MODE_READ, 1371 }; 1372 int ret = hists__init(); 1373 char sort_tmp[128]; 1374 1375 if (ret < 0) 1376 goto exit; 1377 1378 ret = perf_config(report__config, &report); 1379 if (ret) 1380 goto exit; 1381 1382 argc = parse_options(argc, argv, options, report_usage, 0); 1383 if (argc) { 1384 /* 1385 * Special case: if there's an argument left then assume that 1386 * it's a symbol filter: 1387 */ 1388 if (argc > 1) 1389 usage_with_options(report_usage, options); 1390 1391 report.symbol_filter_str = argv[0]; 1392 } 1393 1394 if (annotate_check_args(&report.annotation_opts) < 0) { 1395 ret = -EINVAL; 1396 goto exit; 1397 } 1398 1399 if (report.mmaps_mode) 1400 report.tasks_mode = true; 1401 1402 if (dump_trace && report.disable_order) 1403 report.tool.ordered_events = false; 1404 1405 if (quiet) 1406 perf_quiet_option(); 1407 1408 ret = symbol__validate_sym_arguments(); 1409 if (ret) 1410 goto exit; 1411 1412 if (report.inverted_callchain) 1413 callchain_param.order = ORDER_CALLER; 1414 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1415 callchain_param.order = ORDER_CALLER; 1416 1417 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 1418 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1419 report.max_stack = itrace_synth_opts.callchain_sz; 1420 1421 if (!input_name || !strlen(input_name)) { 1422 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1423 input_name = "-"; 1424 else 1425 input_name = "perf.data"; 1426 } 1427 1428 data.path = input_name; 1429 data.force = symbol_conf.force; 1430 1431 repeat: 1432 session = perf_session__new(&data, &report.tool); 1433 if (IS_ERR(session)) { 1434 ret = PTR_ERR(session); 1435 goto exit; 1436 } 1437 1438 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1439 if (ret) 1440 goto exit; 1441 1442 if (zstd_init(&(session->zstd_data), 0) < 0) 1443 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1444 1445 if (report.queue_size) { 1446 ordered_events__set_alloc_size(&session->ordered_events, 1447 report.queue_size); 1448 } 1449 1450 session->itrace_synth_opts = &itrace_synth_opts; 1451 1452 report.session = session; 1453 1454 has_br_stack = perf_header__has_feat(&session->header, 1455 HEADER_BRANCH_STACK); 1456 if (evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1457 has_br_stack = false; 1458 1459 setup_forced_leader(&report, session->evlist); 1460 1461 if (symbol_conf.group_sort_idx && !session->evlist->core.nr_groups) { 1462 parse_options_usage(NULL, options, "group-sort-idx", 0); 1463 ret = -EINVAL; 1464 goto error; 1465 } 1466 1467 if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch) 1468 has_br_stack = true; 1469 1470 if (has_br_stack && branch_call_mode) 1471 symbol_conf.show_branchflag_count = true; 1472 1473 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1474 1475 /* 1476 * Branch mode is a tristate: 1477 * -1 means default, so decide based on the file having branch data. 1478 * 0/1 means the user chose a mode. 1479 */ 1480 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1481 !branch_call_mode) { 1482 sort__mode = SORT_MODE__BRANCH; 1483 symbol_conf.cumulate_callchain = false; 1484 } 1485 if (branch_call_mode) { 1486 callchain_param.key = CCKEY_ADDRESS; 1487 callchain_param.branch_callstack = true; 1488 symbol_conf.use_callchain = true; 1489 callchain_register_param(&callchain_param); 1490 if (sort_order == NULL) 1491 sort_order = "srcline,symbol,dso"; 1492 } 1493 1494 if (report.mem_mode) { 1495 if (sort__mode == SORT_MODE__BRANCH) { 1496 pr_err("branch and mem mode incompatible\n"); 1497 goto error; 1498 } 1499 sort__mode = SORT_MODE__MEMORY; 1500 symbol_conf.cumulate_callchain = false; 1501 } 1502 1503 if (symbol_conf.report_hierarchy) { 1504 /* disable incompatible options */ 1505 symbol_conf.cumulate_callchain = false; 1506 1507 if (field_order) { 1508 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1509 parse_options_usage(report_usage, options, "F", 1); 1510 parse_options_usage(NULL, options, "hierarchy", 0); 1511 goto error; 1512 } 1513 1514 perf_hpp_list.need_collapse = true; 1515 } 1516 1517 if (report.use_stdio) 1518 use_browser = 0; 1519 #ifdef HAVE_SLANG_SUPPORT 1520 else if (report.use_tui) 1521 use_browser = 1; 1522 #endif 1523 #ifdef HAVE_GTK2_SUPPORT 1524 else if (report.use_gtk) 1525 use_browser = 2; 1526 #endif 1527 1528 /* Force tty output for header output and per-thread stat. */ 1529 if (report.header || report.header_only || report.show_threads) 1530 use_browser = 0; 1531 if (report.header || report.header_only) 1532 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1533 if (report.show_full_info) 1534 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1535 if (report.stats_mode || report.tasks_mode) 1536 use_browser = 0; 1537 if (report.stats_mode && report.tasks_mode) { 1538 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1539 goto error; 1540 } 1541 1542 if (report.total_cycles_mode) { 1543 if (sort__mode != SORT_MODE__BRANCH) 1544 report.total_cycles_mode = false; 1545 else 1546 sort_order = NULL; 1547 } 1548 1549 if (strcmp(input_name, "-") != 0) 1550 setup_browser(true); 1551 else 1552 use_browser = 0; 1553 1554 if (sort_order && strstr(sort_order, "ipc")) { 1555 parse_options_usage(report_usage, options, "s", 1); 1556 goto error; 1557 } 1558 1559 if (sort_order && strstr(sort_order, "symbol")) { 1560 if (sort__mode == SORT_MODE__BRANCH) { 1561 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1562 sort_order, "ipc_lbr"); 1563 report.symbol_ipc = true; 1564 } else { 1565 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1566 sort_order, "ipc_null"); 1567 } 1568 1569 sort_order = sort_tmp; 1570 } 1571 1572 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) && 1573 (setup_sorting(session->evlist) < 0)) { 1574 if (sort_order) 1575 parse_options_usage(report_usage, options, "s", 1); 1576 if (field_order) 1577 parse_options_usage(sort_order ? NULL : report_usage, 1578 options, "F", 1); 1579 goto error; 1580 } 1581 1582 if ((report.header || report.header_only) && !quiet) { 1583 perf_session__fprintf_info(session, stdout, 1584 report.show_full_info); 1585 if (report.header_only) { 1586 if (data.is_pipe) { 1587 /* 1588 * we need to process first few records 1589 * which contains PERF_RECORD_HEADER_FEATURE. 1590 */ 1591 perf_session__process_events(session); 1592 } 1593 ret = 0; 1594 goto error; 1595 } 1596 } else if (use_browser == 0 && !quiet && 1597 !report.stats_mode && !report.tasks_mode) { 1598 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1599 stdout); 1600 } 1601 1602 /* 1603 * Only in the TUI browser we are doing integrated annotation, 1604 * so don't allocate extra space that won't be used in the stdio 1605 * implementation. 1606 */ 1607 if (ui__has_annotation() || report.symbol_ipc || 1608 report.total_cycles_mode) { 1609 ret = symbol__annotation_init(); 1610 if (ret < 0) 1611 goto error; 1612 /* 1613 * For searching by name on the "Browse map details". 1614 * providing it only in verbose mode not to bloat too 1615 * much struct symbol. 1616 */ 1617 if (verbose > 0) { 1618 /* 1619 * XXX: Need to provide a less kludgy way to ask for 1620 * more space per symbol, the u32 is for the index on 1621 * the ui browser. 1622 * See symbol__browser_index. 1623 */ 1624 symbol_conf.priv_size += sizeof(u32); 1625 symbol_conf.sort_by_name = true; 1626 } 1627 annotation_config__init(&report.annotation_opts); 1628 } 1629 1630 if (symbol__init(&session->header.env) < 0) 1631 goto error; 1632 1633 if (report.time_str) { 1634 ret = perf_time__parse_for_ranges(report.time_str, session, 1635 &report.ptime_range, 1636 &report.range_size, 1637 &report.range_num); 1638 if (ret < 0) 1639 goto error; 1640 1641 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1642 report.ptime_range, 1643 report.range_num); 1644 } 1645 1646 if (session->tevent.pevent && 1647 tep_set_function_resolver(session->tevent.pevent, 1648 machine__resolve_kernel_addr, 1649 &session->machines.host) < 0) { 1650 pr_err("%s: failed to set libtraceevent function resolver\n", 1651 __func__); 1652 return -1; 1653 } 1654 1655 sort__setup_elide(stdout); 1656 1657 ret = __cmd_report(&report); 1658 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) { 1659 perf_session__delete(session); 1660 last_key = K_SWITCH_INPUT_DATA; 1661 goto repeat; 1662 } else 1663 ret = 0; 1664 1665 error: 1666 if (report.ptime_range) { 1667 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1668 zfree(&report.ptime_range); 1669 } 1670 1671 if (report.block_reports) { 1672 block_info__free_report(report.block_reports, 1673 report.nr_block_reports); 1674 report.block_reports = NULL; 1675 } 1676 1677 zstd_fini(&(session->zstd_data)); 1678 perf_session__delete(session); 1679 exit: 1680 free(sort_order_help); 1681 free(field_order_help); 1682 return ret; 1683 } 1684