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