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#ifdef HAVE_LIBTRACEEVENT 71#include <traceevent/event-parse.h> 72#endif 73 74struct report { 75 struct perf_tool tool; 76 struct perf_session *session; 77 struct evswitch evswitch; 78#ifdef HAVE_SLANG_SUPPORT 79 bool use_tui; 80#endif 81#ifdef HAVE_GTK2_SUPPORT 82 bool use_gtk; 83#endif 84 bool use_stdio; 85 bool show_full_info; 86 bool show_threads; 87 bool inverted_callchain; 88 bool mem_mode; 89 bool stats_mode; 90 bool tasks_mode; 91 bool mmaps_mode; 92 bool header; 93 bool header_only; 94 bool nonany_branch_mode; 95 bool group_set; 96 bool stitch_lbr; 97 bool disable_order; 98 bool skip_empty; 99 int max_stack; 100 struct perf_read_values show_threads_values; 101 struct annotation_options annotation_opts; 102 const char *pretty_printing_style; 103 const char *cpu_list; 104 const char *symbol_filter_str; 105 const char *time_str; 106 struct perf_time_interval *ptime_range; 107 int range_size; 108 int range_num; 109 float min_percent; 110 u64 nr_entries; 111 u64 queue_size; 112 u64 total_cycles; 113 int socket_filter; 114 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 115 struct branch_type_stat brtype_stat; 116 bool symbol_ipc; 117 bool total_cycles_mode; 118 struct block_report *block_reports; 119 int nr_block_reports; 120}; 121 122static int report__config(const char *var, const char *value, void *cb) 123{ 124 struct report *rep = cb; 125 126 if (!strcmp(var, "report.group")) { 127 symbol_conf.event_group = perf_config_bool(var, value); 128 return 0; 129 } 130 if (!strcmp(var, "report.percent-limit")) { 131 double pcnt = strtof(value, NULL); 132 133 rep->min_percent = pcnt; 134 callchain_param.min_percent = pcnt; 135 return 0; 136 } 137 if (!strcmp(var, "report.children")) { 138 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 139 return 0; 140 } 141 if (!strcmp(var, "report.queue-size")) 142 return perf_config_u64(&rep->queue_size, var, value); 143 144 if (!strcmp(var, "report.sort_order")) { 145 default_sort_order = strdup(value); 146 if (!default_sort_order) { 147 pr_err("Not enough memory for report.sort_order\n"); 148 return -1; 149 } 150 return 0; 151 } 152 153 if (!strcmp(var, "report.skip-empty")) { 154 rep->skip_empty = perf_config_bool(var, value); 155 return 0; 156 } 157 158 pr_debug("%s variable unknown, ignoring...", var); 159 return 0; 160} 161 162static int hist_iter__report_callback(struct hist_entry_iter *iter, 163 struct addr_location *al, bool single, 164 void *arg) 165{ 166 int err = 0; 167 struct report *rep = arg; 168 struct hist_entry *he = iter->he; 169 struct evsel *evsel = iter->evsel; 170 struct perf_sample *sample = iter->sample; 171 struct mem_info *mi; 172 struct branch_info *bi; 173 174 if (!ui__has_annotation() && !rep->symbol_ipc) 175 return 0; 176 177 if (sort__mode == SORT_MODE__BRANCH) { 178 bi = he->branch_info; 179 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 180 if (err) 181 goto out; 182 183 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 184 185 } else if (rep->mem_mode) { 186 mi = he->mem_info; 187 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 188 if (err) 189 goto out; 190 191 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 192 193 } else if (symbol_conf.cumulate_callchain) { 194 if (single) 195 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 196 } else { 197 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 198 } 199 200out: 201 return err; 202} 203 204static int hist_iter__branch_callback(struct hist_entry_iter *iter, 205 struct addr_location *al __maybe_unused, 206 bool single __maybe_unused, 207 void *arg) 208{ 209 struct hist_entry *he = iter->he; 210 struct report *rep = arg; 211 struct branch_info *bi = he->branch_info; 212 struct perf_sample *sample = iter->sample; 213 struct evsel *evsel = iter->evsel; 214 int err; 215 216 branch_type_count(&rep->brtype_stat, &bi->flags, 217 bi->from.addr, bi->to.addr); 218 219 if (!ui__has_annotation() && !rep->symbol_ipc) 220 return 0; 221 222 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 223 if (err) 224 goto out; 225 226 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 227 228out: 229 return err; 230} 231 232static void setup_forced_leader(struct report *report, 233 struct evlist *evlist) 234{ 235 if (report->group_set) 236 evlist__force_leader(evlist); 237} 238 239static int process_feature_event(struct perf_session *session, 240 union perf_event *event) 241{ 242 struct report *rep = container_of(session->tool, struct report, tool); 243 244 if (event->feat.feat_id < HEADER_LAST_FEATURE) 245 return perf_event__process_feature(session, event); 246 247 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 248 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n", 249 event->feat.feat_id); 250 return -1; 251 } else if (rep->header_only) { 252 session_done = 1; 253 } 254 255 /* 256 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 257 * means all features are received, now we can force the 258 * group if needed. 259 */ 260 setup_forced_leader(rep, session->evlist); 261 return 0; 262} 263 264static int process_sample_event(struct perf_tool *tool, 265 union perf_event *event, 266 struct perf_sample *sample, 267 struct evsel *evsel, 268 struct machine *machine) 269{ 270 struct report *rep = container_of(tool, struct report, tool); 271 struct addr_location al; 272 struct hist_entry_iter iter = { 273 .evsel = evsel, 274 .sample = sample, 275 .hide_unresolved = symbol_conf.hide_unresolved, 276 .add_entry_cb = hist_iter__report_callback, 277 }; 278 int ret = 0; 279 280 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 281 sample->time)) { 282 return 0; 283 } 284 285 if (evswitch__discard(&rep->evswitch, evsel)) 286 return 0; 287 288 addr_location__init(&al); 289 if (machine__resolve(machine, &al, sample) < 0) { 290 pr_debug("problem processing %d event, skipping it.\n", 291 event->header.type); 292 ret = -1; 293 goto out_put; 294 } 295 296 if (rep->stitch_lbr) 297 thread__set_lbr_stitch_enable(al.thread, true); 298 299 if (symbol_conf.hide_unresolved && al.sym == NULL) 300 goto out_put; 301 302 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 303 goto out_put; 304 305 if (sort__mode == SORT_MODE__BRANCH) { 306 /* 307 * A non-synthesized event might not have a branch stack if 308 * branch stacks have been synthesized (using itrace options). 309 */ 310 if (!sample->branch_stack) 311 goto out_put; 312 313 iter.add_entry_cb = hist_iter__branch_callback; 314 iter.ops = &hist_iter_branch; 315 } else if (rep->mem_mode) { 316 iter.ops = &hist_iter_mem; 317 } else if (symbol_conf.cumulate_callchain) { 318 iter.ops = &hist_iter_cumulative; 319 } else { 320 iter.ops = &hist_iter_normal; 321 } 322 323 if (al.map != NULL) 324 map__dso(al.map)->hit = 1; 325 326 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) { 327 hist__account_cycles(sample->branch_stack, &al, sample, 328 rep->nonany_branch_mode, 329 &rep->total_cycles); 330 } 331 332 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 333 if (ret < 0) 334 pr_debug("problem adding hist entry, skipping event\n"); 335out_put: 336 addr_location__exit(&al); 337 return ret; 338} 339 340static int process_read_event(struct perf_tool *tool, 341 union perf_event *event, 342 struct perf_sample *sample __maybe_unused, 343 struct evsel *evsel, 344 struct machine *machine __maybe_unused) 345{ 346 struct report *rep = container_of(tool, struct report, tool); 347 348 if (rep->show_threads) { 349 const char *name = evsel__name(evsel); 350 int err = perf_read_values_add_value(&rep->show_threads_values, 351 event->read.pid, event->read.tid, 352 evsel->core.idx, 353 name, 354 event->read.value); 355 356 if (err) 357 return err; 358 } 359 360 return 0; 361} 362 363/* For pipe mode, sample_type is not currently set */ 364static int report__setup_sample_type(struct report *rep) 365{ 366 struct perf_session *session = rep->session; 367 u64 sample_type = evlist__combined_sample_type(session->evlist); 368 bool is_pipe = perf_data__is_pipe(session->data); 369 struct evsel *evsel; 370 371 if (session->itrace_synth_opts->callchain || 372 session->itrace_synth_opts->add_callchain || 373 (!is_pipe && 374 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 375 !session->itrace_synth_opts->set)) 376 sample_type |= PERF_SAMPLE_CALLCHAIN; 377 378 if (session->itrace_synth_opts->last_branch || 379 session->itrace_synth_opts->add_last_branch) 380 sample_type |= PERF_SAMPLE_BRANCH_STACK; 381 382 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 383 if (perf_hpp_list.parent) { 384 ui__error("Selected --sort parent, but no " 385 "callchain data. Did you call " 386 "'perf record' without -g?\n"); 387 return -EINVAL; 388 } 389 if (symbol_conf.use_callchain && 390 !symbol_conf.show_branchflag_count) { 391 ui__error("Selected -g or --branch-history.\n" 392 "But no callchain or branch data.\n" 393 "Did you call 'perf record' without -g or -b?\n"); 394 return -1; 395 } 396 } else if (!callchain_param.enabled && 397 callchain_param.mode != CHAIN_NONE && 398 !symbol_conf.use_callchain) { 399 symbol_conf.use_callchain = true; 400 if (callchain_register_param(&callchain_param) < 0) { 401 ui__error("Can't register callchain params.\n"); 402 return -EINVAL; 403 } 404 } 405 406 if (symbol_conf.cumulate_callchain) { 407 /* Silently ignore if callchain is missing */ 408 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 409 symbol_conf.cumulate_callchain = false; 410 perf_hpp__cancel_cumulate(); 411 } 412 } 413 414 if (sort__mode == SORT_MODE__BRANCH) { 415 if (!is_pipe && 416 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 417 ui__error("Selected -b but no branch data. " 418 "Did you call perf record without -b?\n"); 419 return -1; 420 } 421 } 422 423 if (sort__mode == SORT_MODE__MEMORY) { 424 /* 425 * FIXUP: prior to kernel 5.18, Arm SPE missed to set 426 * PERF_SAMPLE_DATA_SRC bit in sample type. For backward 427 * compatibility, set the bit if it's an old perf data file. 428 */ 429 evlist__for_each_entry(session->evlist, evsel) { 430 if (strstr(evsel->name, "arm_spe") && 431 !(sample_type & PERF_SAMPLE_DATA_SRC)) { 432 evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC; 433 sample_type |= PERF_SAMPLE_DATA_SRC; 434 } 435 } 436 437 if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) { 438 ui__error("Selected --mem-mode but no mem data. " 439 "Did you call perf record without -d?\n"); 440 return -1; 441 } 442 } 443 444 callchain_param_setup(sample_type, perf_env__arch(&rep->session->header.env)); 445 446 if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { 447 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" 448 "Please apply --call-graph lbr when recording.\n"); 449 rep->stitch_lbr = false; 450 } 451 452 /* ??? handle more cases than just ANY? */ 453 if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) 454 rep->nonany_branch_mode = true; 455 456#if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT) 457 if (dwarf_callchain_users) { 458 ui__warning("Please install libunwind or libdw " 459 "development packages during the perf build.\n"); 460 } 461#endif 462 463 return 0; 464} 465 466static void sig_handler(int sig __maybe_unused) 467{ 468 session_done = 1; 469} 470 471static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 472 const char *evname, FILE *fp) 473{ 474 size_t ret; 475 char unit; 476 unsigned long nr_samples = hists->stats.nr_samples; 477 u64 nr_events = hists->stats.total_period; 478 struct evsel *evsel = hists_to_evsel(hists); 479 char buf[512]; 480 size_t size = sizeof(buf); 481 int socked_id = hists->socket_filter; 482 483 if (quiet) 484 return 0; 485 486 if (symbol_conf.filter_relative) { 487 nr_samples = hists->stats.nr_non_filtered_samples; 488 nr_events = hists->stats.total_non_filtered_period; 489 } 490 491 if (evsel__is_group_event(evsel)) { 492 struct evsel *pos; 493 494 evsel__group_desc(evsel, buf, size); 495 evname = buf; 496 497 for_each_group_member(pos, evsel) { 498 const struct hists *pos_hists = evsel__hists(pos); 499 500 if (symbol_conf.filter_relative) { 501 nr_samples += pos_hists->stats.nr_non_filtered_samples; 502 nr_events += pos_hists->stats.total_non_filtered_period; 503 } else { 504 nr_samples += pos_hists->stats.nr_samples; 505 nr_events += pos_hists->stats.total_period; 506 } 507 } 508 } 509 510 nr_samples = convert_unit(nr_samples, &unit); 511 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 512 if (evname != NULL) { 513 ret += fprintf(fp, " of event%s '%s'", 514 evsel->core.nr_members > 1 ? "s" : "", evname); 515 } 516 517 if (rep->time_str) 518 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 519 520 if (symbol_conf.show_ref_callgraph && evname && strstr(evname, "call-graph=no")) { 521 ret += fprintf(fp, ", show reference callgraph"); 522 } 523 524 if (rep->mem_mode) { 525 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 526 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 527 } else 528 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 529 530 if (socked_id > -1) 531 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 532 533 return ret + fprintf(fp, "\n#\n"); 534} 535 536static int evlist__tui_block_hists_browse(struct evlist *evlist, struct report *rep) 537{ 538 struct evsel *pos; 539 int i = 0, ret; 540 541 evlist__for_each_entry(evlist, pos) { 542 ret = report__browse_block_hists(&rep->block_reports[i++].hist, 543 rep->min_percent, pos, 544 &rep->session->header.env, 545 &rep->annotation_opts); 546 if (ret != 0) 547 return ret; 548 } 549 550 return 0; 551} 552 553static int evlist__tty_browse_hists(struct evlist *evlist, struct report *rep, const char *help) 554{ 555 struct evsel *pos; 556 int i = 0; 557 558 if (!quiet) { 559 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 560 evlist->stats.total_lost_samples); 561 } 562 563 evlist__for_each_entry(evlist, pos) { 564 struct hists *hists = evsel__hists(pos); 565 const char *evname = evsel__name(pos); 566 567 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) 568 continue; 569 570 if (rep->skip_empty && !hists->stats.nr_samples) 571 continue; 572 573 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 574 575 if (rep->total_cycles_mode) { 576 report__browse_block_hists(&rep->block_reports[i++].hist, 577 rep->min_percent, pos, 578 NULL, NULL); 579 continue; 580 } 581 582 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 583 !(symbol_conf.use_callchain || 584 symbol_conf.show_branchflag_count)); 585 fprintf(stdout, "\n\n"); 586 } 587 588 if (!quiet) 589 fprintf(stdout, "#\n# (%s)\n#\n", help); 590 591 if (rep->show_threads) { 592 bool style = !strcmp(rep->pretty_printing_style, "raw"); 593 perf_read_values_display(stdout, &rep->show_threads_values, 594 style); 595 perf_read_values_destroy(&rep->show_threads_values); 596 } 597 598 if (sort__mode == SORT_MODE__BRANCH) 599 branch_type_stat_display(stdout, &rep->brtype_stat); 600 601 return 0; 602} 603 604static void report__warn_kptr_restrict(const struct report *rep) 605{ 606 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 607 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 608 609 if (evlist__exclude_kernel(rep->session->evlist)) 610 return; 611 612 if (kernel_map == NULL || 613 (map__dso(kernel_map)->hit && 614 (kernel_kmap->ref_reloc_sym == NULL || 615 kernel_kmap->ref_reloc_sym->addr == 0))) { 616 const char *desc = 617 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 618 "can't be resolved."; 619 620 if (kernel_map && map__has_symbols(kernel_map)) { 621 desc = "If some relocation was applied (e.g. " 622 "kexec) symbols may be misresolved."; 623 } 624 625 ui__warning( 626"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 627"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 628"Samples in kernel modules can't be resolved as well.\n\n", 629 desc); 630 } 631} 632 633static int report__gtk_browse_hists(struct report *rep, const char *help) 634{ 635 int (*hist_browser)(struct evlist *evlist, const char *help, 636 struct hist_browser_timer *timer, float min_pcnt); 637 638 hist_browser = dlsym(perf_gtk_handle, "evlist__gtk_browse_hists"); 639 640 if (hist_browser == NULL) { 641 ui__error("GTK browser not found!\n"); 642 return -1; 643 } 644 645 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 646} 647 648static int report__browse_hists(struct report *rep) 649{ 650 int ret; 651 struct perf_session *session = rep->session; 652 struct evlist *evlist = session->evlist; 653 char *help = NULL, *path = NULL; 654 655 path = system_path(TIPDIR); 656 if (perf_tip(&help, path) || help == NULL) { 657 /* fallback for people who don't install perf ;-) */ 658 free(path); 659 path = system_path(DOCDIR); 660 if (perf_tip(&help, path) || help == NULL) 661 help = strdup("Cannot load tips.txt file, please install perf!"); 662 } 663 free(path); 664 665 switch (use_browser) { 666 case 1: 667 if (rep->total_cycles_mode) { 668 ret = evlist__tui_block_hists_browse(evlist, rep); 669 break; 670 } 671 672 ret = evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent, 673 &session->header.env, true, &rep->annotation_opts); 674 /* 675 * Usually "ret" is the last pressed key, and we only 676 * care if the key notifies us to switch data file. 677 */ 678 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD) 679 ret = 0; 680 break; 681 case 2: 682 ret = report__gtk_browse_hists(rep, help); 683 break; 684 default: 685 ret = evlist__tty_browse_hists(evlist, rep, help); 686 break; 687 } 688 free(help); 689 return ret; 690} 691 692static int report__collapse_hists(struct report *rep) 693{ 694 struct ui_progress prog; 695 struct evsel *pos; 696 int ret = 0; 697 698 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 699 700 evlist__for_each_entry(rep->session->evlist, pos) { 701 struct hists *hists = evsel__hists(pos); 702 703 if (pos->core.idx == 0) 704 hists->symbol_filter_str = rep->symbol_filter_str; 705 706 hists->socket_filter = rep->socket_filter; 707 708 ret = hists__collapse_resort(hists, &prog); 709 if (ret < 0) 710 break; 711 712 /* Non-group events are considered as leader */ 713 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) { 714 struct hists *leader_hists = evsel__hists(evsel__leader(pos)); 715 716 hists__match(leader_hists, hists); 717 hists__link(leader_hists, hists); 718 } 719 } 720 721 ui_progress__finish(); 722 return ret; 723} 724 725static int hists__resort_cb(struct hist_entry *he, void *arg) 726{ 727 struct report *rep = arg; 728 struct symbol *sym = he->ms.sym; 729 730 if (rep->symbol_ipc && sym && !sym->annotate2) { 731 struct evsel *evsel = hists_to_evsel(he->hists); 732 733 symbol__annotate2(&he->ms, evsel, &rep->annotation_opts, NULL); 734 } 735 736 return 0; 737} 738 739static void report__output_resort(struct report *rep) 740{ 741 struct ui_progress prog; 742 struct evsel *pos; 743 744 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 745 746 evlist__for_each_entry(rep->session->evlist, pos) { 747 evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep); 748 } 749 750 ui_progress__finish(); 751} 752 753static int count_sample_event(struct perf_tool *tool __maybe_unused, 754 union perf_event *event __maybe_unused, 755 struct perf_sample *sample __maybe_unused, 756 struct evsel *evsel, 757 struct machine *machine __maybe_unused) 758{ 759 struct hists *hists = evsel__hists(evsel); 760 761 hists__inc_nr_events(hists); 762 return 0; 763} 764 765static int count_lost_samples_event(struct perf_tool *tool, 766 union perf_event *event, 767 struct perf_sample *sample, 768 struct machine *machine __maybe_unused) 769{ 770 struct report *rep = container_of(tool, struct report, tool); 771 struct evsel *evsel; 772 773 evsel = evlist__id2evsel(rep->session->evlist, sample->id); 774 if (evsel) { 775 hists__inc_nr_lost_samples(evsel__hists(evsel), 776 event->lost_samples.lost); 777 } 778 return 0; 779} 780 781static int process_attr(struct perf_tool *tool __maybe_unused, 782 union perf_event *event, 783 struct evlist **pevlist); 784 785static void stats_setup(struct report *rep) 786{ 787 memset(&rep->tool, 0, sizeof(rep->tool)); 788 rep->tool.attr = process_attr; 789 rep->tool.sample = count_sample_event; 790 rep->tool.lost_samples = count_lost_samples_event; 791 rep->tool.no_warn = true; 792} 793 794static int stats_print(struct report *rep) 795{ 796 struct perf_session *session = rep->session; 797 798 perf_session__fprintf_nr_events(session, stdout, rep->skip_empty); 799 evlist__fprintf_nr_events(session->evlist, stdout, rep->skip_empty); 800 return 0; 801} 802 803static void tasks_setup(struct report *rep) 804{ 805 memset(&rep->tool, 0, sizeof(rep->tool)); 806 rep->tool.ordered_events = true; 807 if (rep->mmaps_mode) { 808 rep->tool.mmap = perf_event__process_mmap; 809 rep->tool.mmap2 = perf_event__process_mmap2; 810 } 811 rep->tool.attr = process_attr; 812 rep->tool.comm = perf_event__process_comm; 813 rep->tool.exit = perf_event__process_exit; 814 rep->tool.fork = perf_event__process_fork; 815 rep->tool.no_warn = true; 816} 817 818struct task { 819 struct thread *thread; 820 struct list_head list; 821 struct list_head children; 822}; 823 824static struct task *tasks_list(struct task *task, struct machine *machine) 825{ 826 struct thread *parent_thread, *thread = task->thread; 827 struct task *parent_task; 828 829 /* Already listed. */ 830 if (!list_empty(&task->list)) 831 return NULL; 832 833 /* Last one in the chain. */ 834 if (thread__ppid(thread) == -1) 835 return task; 836 837 parent_thread = machine__find_thread(machine, -1, thread__ppid(thread)); 838 if (!parent_thread) 839 return ERR_PTR(-ENOENT); 840 841 parent_task = thread__priv(parent_thread); 842 thread__put(parent_thread); 843 list_add_tail(&task->list, &parent_task->children); 844 return tasks_list(parent_task, machine); 845} 846 847static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 848{ 849 size_t printed = 0; 850 struct map_rb_node *rb_node; 851 852 maps__for_each_entry(maps, rb_node) { 853 struct map *map = rb_node->map; 854 const struct dso *dso = map__dso(map); 855 u32 prot = map__prot(map); 856 857 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 858 indent, "", map__start(map), map__end(map), 859 prot & PROT_READ ? 'r' : '-', 860 prot & PROT_WRITE ? 'w' : '-', 861 prot & PROT_EXEC ? 'x' : '-', 862 map__flags(map) ? 's' : 'p', 863 map__pgoff(map), 864 dso->id.ino, dso->name); 865 } 866 867 return printed; 868} 869 870static void task__print_level(struct task *task, FILE *fp, int level) 871{ 872 struct thread *thread = task->thread; 873 struct task *child; 874 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 875 thread__pid(thread), thread__tid(thread), 876 thread__ppid(thread), level, ""); 877 878 fprintf(fp, "%s\n", thread__comm_str(thread)); 879 880 maps__fprintf_task(thread__maps(thread), comm_indent, fp); 881 882 if (!list_empty(&task->children)) { 883 list_for_each_entry(child, &task->children, list) 884 task__print_level(child, fp, level + 1); 885 } 886} 887 888static int tasks_print(struct report *rep, FILE *fp) 889{ 890 struct perf_session *session = rep->session; 891 struct machine *machine = &session->machines.host; 892 struct task *tasks, *task; 893 unsigned int nr = 0, itask = 0, i; 894 struct rb_node *nd; 895 LIST_HEAD(list); 896 897 /* 898 * No locking needed while accessing machine->threads, 899 * because --tasks is single threaded command. 900 */ 901 902 /* Count all the threads. */ 903 for (i = 0; i < THREADS__TABLE_SIZE; i++) 904 nr += machine->threads[i].nr; 905 906 tasks = malloc(sizeof(*tasks) * nr); 907 if (!tasks) 908 return -ENOMEM; 909 910 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 911 struct threads *threads = &machine->threads[i]; 912 913 for (nd = rb_first_cached(&threads->entries); nd; 914 nd = rb_next(nd)) { 915 task = tasks + itask++; 916 917 task->thread = rb_entry(nd, struct thread_rb_node, rb_node)->thread; 918 INIT_LIST_HEAD(&task->children); 919 INIT_LIST_HEAD(&task->list); 920 thread__set_priv(task->thread, task); 921 } 922 } 923 924 /* 925 * Iterate every task down to the unprocessed parent 926 * and link all in task children list. Task with no 927 * parent is added into 'list'. 928 */ 929 for (itask = 0; itask < nr; itask++) { 930 task = tasks + itask; 931 932 if (!list_empty(&task->list)) 933 continue; 934 935 task = tasks_list(task, machine); 936 if (IS_ERR(task)) { 937 pr_err("Error: failed to process tasks\n"); 938 free(tasks); 939 return PTR_ERR(task); 940 } 941 942 if (task) 943 list_add_tail(&task->list, &list); 944 } 945 946 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 947 948 list_for_each_entry(task, &list, list) 949 task__print_level(task, fp, 0); 950 951 free(tasks); 952 return 0; 953} 954 955static int __cmd_report(struct report *rep) 956{ 957 int ret; 958 struct perf_session *session = rep->session; 959 struct evsel *pos; 960 struct perf_data *data = session->data; 961 962 signal(SIGINT, sig_handler); 963 964 if (rep->cpu_list) { 965 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 966 rep->cpu_bitmap); 967 if (ret) { 968 ui__error("failed to set cpu bitmap\n"); 969 return ret; 970 } 971 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 972 } 973 974 if (rep->show_threads) { 975 ret = perf_read_values_init(&rep->show_threads_values); 976 if (ret) 977 return ret; 978 } 979 980 ret = report__setup_sample_type(rep); 981 if (ret) { 982 /* report__setup_sample_type() already showed error message */ 983 return ret; 984 } 985 986 if (rep->stats_mode) 987 stats_setup(rep); 988 989 if (rep->tasks_mode) 990 tasks_setup(rep); 991 992 ret = perf_session__process_events(session); 993 if (ret) { 994 ui__error("failed to process sample\n"); 995 return ret; 996 } 997 998 evlist__check_mem_load_aux(session->evlist); 999 1000 if (rep->stats_mode) 1001 return stats_print(rep); 1002 1003 if (rep->tasks_mode) 1004 return tasks_print(rep, stdout); 1005 1006 report__warn_kptr_restrict(rep); 1007 1008 evlist__for_each_entry(session->evlist, pos) 1009 rep->nr_entries += evsel__hists(pos)->nr_entries; 1010 1011 if (use_browser == 0) { 1012 if (verbose > 3) 1013 perf_session__fprintf(session, stdout); 1014 1015 if (verbose > 2) 1016 perf_session__fprintf_dsos(session, stdout); 1017 1018 if (dump_trace) { 1019 perf_session__fprintf_nr_events(session, stdout, 1020 rep->skip_empty); 1021 evlist__fprintf_nr_events(session->evlist, stdout, 1022 rep->skip_empty); 1023 return 0; 1024 } 1025 } 1026 1027 ret = report__collapse_hists(rep); 1028 if (ret) { 1029 ui__error("failed to process hist entry\n"); 1030 return ret; 1031 } 1032 1033 if (session_done()) 1034 return 0; 1035 1036 /* 1037 * recalculate number of entries after collapsing since it 1038 * might be changed during the collapse phase. 1039 */ 1040 rep->nr_entries = 0; 1041 evlist__for_each_entry(session->evlist, pos) 1042 rep->nr_entries += evsel__hists(pos)->nr_entries; 1043 1044 if (rep->nr_entries == 0) { 1045 ui__error("The %s data has no samples!\n", data->path); 1046 return 0; 1047 } 1048 1049 report__output_resort(rep); 1050 1051 if (rep->total_cycles_mode) { 1052 int block_hpps[6] = { 1053 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT, 1054 PERF_HPP_REPORT__BLOCK_LBR_CYCLES, 1055 PERF_HPP_REPORT__BLOCK_CYCLES_PCT, 1056 PERF_HPP_REPORT__BLOCK_AVG_CYCLES, 1057 PERF_HPP_REPORT__BLOCK_RANGE, 1058 PERF_HPP_REPORT__BLOCK_DSO, 1059 }; 1060 1061 rep->block_reports = block_info__create_report(session->evlist, 1062 rep->total_cycles, 1063 block_hpps, 6, 1064 &rep->nr_block_reports); 1065 if (!rep->block_reports) 1066 return -1; 1067 } 1068 1069 return report__browse_hists(rep); 1070} 1071 1072static int 1073report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 1074{ 1075 struct callchain_param *callchain = opt->value; 1076 1077 callchain->enabled = !unset; 1078 /* 1079 * --no-call-graph 1080 */ 1081 if (unset) { 1082 symbol_conf.use_callchain = false; 1083 callchain->mode = CHAIN_NONE; 1084 return 0; 1085 } 1086 1087 return parse_callchain_report_opt(arg); 1088} 1089 1090static int 1091parse_time_quantum(const struct option *opt, const char *arg, 1092 int unset __maybe_unused) 1093{ 1094 unsigned long *time_q = opt->value; 1095 char *end; 1096 1097 *time_q = strtoul(arg, &end, 0); 1098 if (end == arg) 1099 goto parse_err; 1100 if (*time_q == 0) { 1101 pr_err("time quantum cannot be 0"); 1102 return -1; 1103 } 1104 end = skip_spaces(end); 1105 if (*end == 0) 1106 return 0; 1107 if (!strcmp(end, "s")) { 1108 *time_q *= NSEC_PER_SEC; 1109 return 0; 1110 } 1111 if (!strcmp(end, "ms")) { 1112 *time_q *= NSEC_PER_MSEC; 1113 return 0; 1114 } 1115 if (!strcmp(end, "us")) { 1116 *time_q *= NSEC_PER_USEC; 1117 return 0; 1118 } 1119 if (!strcmp(end, "ns")) 1120 return 0; 1121parse_err: 1122 pr_err("Cannot parse time quantum `%s'\n", arg); 1123 return -1; 1124} 1125 1126int 1127report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 1128 const char *arg, int unset __maybe_unused) 1129{ 1130 if (arg) { 1131 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 1132 if (err) { 1133 char buf[BUFSIZ]; 1134 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 1135 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 1136 return -1; 1137 } 1138 have_ignore_callees = 1; 1139 } 1140 1141 return 0; 1142} 1143 1144static int 1145parse_branch_mode(const struct option *opt, 1146 const char *str __maybe_unused, int unset) 1147{ 1148 int *branch_mode = opt->value; 1149 1150 *branch_mode = !unset; 1151 return 0; 1152} 1153 1154static int 1155parse_percent_limit(const struct option *opt, const char *str, 1156 int unset __maybe_unused) 1157{ 1158 struct report *rep = opt->value; 1159 double pcnt = strtof(str, NULL); 1160 1161 rep->min_percent = pcnt; 1162 callchain_param.min_percent = pcnt; 1163 return 0; 1164} 1165 1166static int process_attr(struct perf_tool *tool __maybe_unused, 1167 union perf_event *event, 1168 struct evlist **pevlist) 1169{ 1170 u64 sample_type; 1171 int err; 1172 1173 err = perf_event__process_attr(tool, event, pevlist); 1174 if (err) 1175 return err; 1176 1177 /* 1178 * Check if we need to enable callchains based 1179 * on events sample_type. 1180 */ 1181 sample_type = evlist__combined_sample_type(*pevlist); 1182 callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env)); 1183 return 0; 1184} 1185 1186int cmd_report(int argc, const char **argv) 1187{ 1188 struct perf_session *session; 1189 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 1190 struct stat st; 1191 bool has_br_stack = false; 1192 int branch_mode = -1; 1193 int last_key = 0; 1194 bool branch_call_mode = false; 1195#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 1196 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 1197 CALLCHAIN_REPORT_HELP 1198 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 1199 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 1200 const char * const report_usage[] = { 1201 "perf report [<options>]", 1202 NULL 1203 }; 1204 struct report report = { 1205 .tool = { 1206 .sample = process_sample_event, 1207 .mmap = perf_event__process_mmap, 1208 .mmap2 = perf_event__process_mmap2, 1209 .comm = perf_event__process_comm, 1210 .namespaces = perf_event__process_namespaces, 1211 .cgroup = perf_event__process_cgroup, 1212 .exit = perf_event__process_exit, 1213 .fork = perf_event__process_fork, 1214 .lost = perf_event__process_lost, 1215 .read = process_read_event, 1216 .attr = process_attr, 1217#ifdef HAVE_LIBTRACEEVENT 1218 .tracing_data = perf_event__process_tracing_data, 1219#endif 1220 .build_id = perf_event__process_build_id, 1221 .id_index = perf_event__process_id_index, 1222 .auxtrace_info = perf_event__process_auxtrace_info, 1223 .auxtrace = perf_event__process_auxtrace, 1224 .event_update = perf_event__process_event_update, 1225 .feature = process_feature_event, 1226 .ordered_events = true, 1227 .ordering_requires_timestamps = true, 1228 }, 1229 .max_stack = PERF_MAX_STACK_DEPTH, 1230 .pretty_printing_style = "normal", 1231 .socket_filter = -1, 1232 .skip_empty = true, 1233 }; 1234 char *sort_order_help = sort_help("sort by key(s):"); 1235 char *field_order_help = sort_help("output field(s): overhead period sample "); 1236 const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL; 1237 const struct option options[] = { 1238 OPT_STRING('i', "input", &input_name, "file", 1239 "input file name"), 1240 OPT_INCR('v', "verbose", &verbose, 1241 "be more verbose (show symbol address, etc)"), 1242 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any warnings or messages"), 1243 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1244 "dump raw trace in ASCII"), 1245 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1246 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1247 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1248 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1249 "file", "vmlinux pathname"), 1250 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1251 "don't load vmlinux even if found"), 1252 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1253 "file", "kallsyms pathname"), 1254 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1255 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1256 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1257 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1258 "Show a column with the number of samples"), 1259 OPT_BOOLEAN('T', "threads", &report.show_threads, 1260 "Show per-thread event counters"), 1261 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1262 "pretty printing style key: normal raw"), 1263#ifdef HAVE_SLANG_SUPPORT 1264 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1265#endif 1266#ifdef HAVE_GTK2_SUPPORT 1267 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1268#endif 1269 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1270 "Use the stdio interface"), 1271 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1272 OPT_BOOLEAN(0, "header-only", &report.header_only, 1273 "Show only data header."), 1274 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1275 sort_order_help), 1276 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1277 field_order_help), 1278 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1279 "Show sample percentage for different cpu modes"), 1280 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1281 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1282 OPT_STRING('p', "parent", &parent_pattern, "regex", 1283 "regex filter to identify parent, see: '--sort parent'"), 1284 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1285 "Only display entries with parent-match"), 1286 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1287 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1288 report_callchain_help, &report_parse_callchain_opt, 1289 callchain_default_opt), 1290 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1291 "Accumulate callchains of children and show total overhead as well. " 1292 "Enabled by default, use --no-children to disable."), 1293 OPT_INTEGER(0, "max-stack", &report.max_stack, 1294 "Set the maximum stack depth when parsing the callchain, " 1295 "anything beyond the specified depth will be ignored. " 1296 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1297 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1298 "alias for inverted call graph"), 1299 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1300 "ignore callees of these functions in call graphs", 1301 report_parse_ignore_callees_opt), 1302 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1303 "only consider symbols in these dsos"), 1304 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1305 "only consider symbols in these comms"), 1306 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1307 "only consider symbols in these pids"), 1308 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1309 "only consider symbols in these tids"), 1310 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1311 "only consider these symbols"), 1312 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1313 "only show symbols that (partially) match with this filter"), 1314 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1315 "width[,width...]", 1316 "don't try to adjust column width, use these fixed values"), 1317 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1318 "separator for columns, no spaces will be added between " 1319 "columns '.' is reserved."), 1320 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1321 "Only display entries resolved to a symbol"), 1322 OPT_CALLBACK(0, "symfs", NULL, "directory", 1323 "Look for files with symbols relative to this directory", 1324 symbol__config_symfs), 1325 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1326 "list of cpus to profile"), 1327 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1328 "Display extended information about perf.data file"), 1329 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1330 "Interleave source code with assembly code (default)"), 1331 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1332 "Display raw encoding of assembly instructions (default)"), 1333 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 1334 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1335 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix", 1336 "Add prefix to source file path names in programs (with --prefix-strip)"), 1337 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N", 1338 "Strip first N entries of source file path name in programs (with --prefix)"), 1339 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1340 "Show a column with the sum of periods"), 1341 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1342 "Show event group information together"), 1343 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx, 1344 "Sort the output by the event at the index n in group. " 1345 "If n is invalid, sort by the first event. " 1346 "WARNING: should be used on grouped events."), 1347 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1348 "use branch records for per branch histogram filling", 1349 parse_branch_mode), 1350 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1351 "add last branch records to call history"), 1352 OPT_STRING(0, "objdump", &objdump_path, "path", 1353 "objdump binary to use for disassembly and annotations"), 1354 OPT_STRING(0, "addr2line", &addr2line_path, "path", 1355 "addr2line binary to use for line numbers"), 1356 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1357 "Disable symbol demangling"), 1358 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1359 "Enable kernel symbol demangling"), 1360 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1361 OPT_INTEGER(0, "samples", &symbol_conf.res_sample, 1362 "Number of samples to save per histogram entry for individual browsing"), 1363 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1364 "Don't show entries under that percent", parse_percent_limit), 1365 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1366 "how to display percentage of filtered entries", parse_filter_percentage), 1367 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1368 "Instruction Tracing options\n" ITRACE_HELP, 1369 itrace_parse_synth_opts), 1370 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1371 "Show full source file name path for source lines"), 1372 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1373 "Show callgraph from reference event"), 1374 OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, 1375 "Enable LBR callgraph stitching approach"), 1376 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1377 "only show processor socket that match with this filter"), 1378 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1379 "Show raw trace event output (do not use print fmt or plugins)"), 1380 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1381 "Show entries in a hierarchy"), 1382 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1383 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1384 stdio__config_color, "always"), 1385 OPT_STRING(0, "time", &report.time_str, "str", 1386 "Time span of interest (start,stop)"), 1387 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1388 "Show inline function"), 1389 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period", 1390 "Set percent type local/global-period/hits", 1391 annotate_parse_percent_type), 1392 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"), 1393 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)", 1394 "Set time quantum for time sort key (default 100ms)", 1395 parse_time_quantum), 1396 OPTS_EVSWITCH(&report.evswitch), 1397 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode, 1398 "Sort all blocks by 'Sampled Cycles%'"), 1399 OPT_BOOLEAN(0, "disable-order", &report.disable_order, 1400 "Disable raw trace ordering"), 1401 OPT_BOOLEAN(0, "skip-empty", &report.skip_empty, 1402 "Do not display empty (or dummy) events in the output"), 1403 OPT_END() 1404 }; 1405 struct perf_data data = { 1406 .mode = PERF_DATA_MODE_READ, 1407 }; 1408 int ret = hists__init(); 1409 char sort_tmp[128]; 1410 1411 if (ret < 0) 1412 goto exit; 1413 1414 annotation_options__init(&report.annotation_opts); 1415 1416 ret = perf_config(report__config, &report); 1417 if (ret) 1418 goto exit; 1419 1420 argc = parse_options(argc, argv, options, report_usage, 0); 1421 if (argc) { 1422 /* 1423 * Special case: if there's an argument left then assume that 1424 * it's a symbol filter: 1425 */ 1426 if (argc > 1) 1427 usage_with_options(report_usage, options); 1428 1429 report.symbol_filter_str = argv[0]; 1430 } 1431 1432 if (disassembler_style) { 1433 report.annotation_opts.disassembler_style = strdup(disassembler_style); 1434 if (!report.annotation_opts.disassembler_style) 1435 return -ENOMEM; 1436 } 1437 if (objdump_path) { 1438 report.annotation_opts.objdump_path = strdup(objdump_path); 1439 if (!report.annotation_opts.objdump_path) 1440 return -ENOMEM; 1441 } 1442 if (addr2line_path) { 1443 symbol_conf.addr2line_path = strdup(addr2line_path); 1444 if (!symbol_conf.addr2line_path) 1445 return -ENOMEM; 1446 } 1447 1448 if (annotate_check_args(&report.annotation_opts) < 0) { 1449 ret = -EINVAL; 1450 goto exit; 1451 } 1452 1453 if (report.mmaps_mode) 1454 report.tasks_mode = true; 1455 1456 if (dump_trace && report.disable_order) 1457 report.tool.ordered_events = false; 1458 1459 if (quiet) 1460 perf_quiet_option(); 1461 1462 ret = symbol__validate_sym_arguments(); 1463 if (ret) 1464 goto exit; 1465 1466 if (report.inverted_callchain) 1467 callchain_param.order = ORDER_CALLER; 1468 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1469 callchain_param.order = ORDER_CALLER; 1470 1471 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && 1472 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1473 report.max_stack = itrace_synth_opts.callchain_sz; 1474 1475 if (!input_name || !strlen(input_name)) { 1476 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1477 input_name = "-"; 1478 else 1479 input_name = "perf.data"; 1480 } 1481 1482 data.path = input_name; 1483 data.force = symbol_conf.force; 1484 1485repeat: 1486 session = perf_session__new(&data, &report.tool); 1487 if (IS_ERR(session)) { 1488 ret = PTR_ERR(session); 1489 goto exit; 1490 } 1491 1492 ret = evswitch__init(&report.evswitch, session->evlist, stderr); 1493 if (ret) 1494 goto exit; 1495 1496 if (zstd_init(&(session->zstd_data), 0) < 0) 1497 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); 1498 1499 if (report.queue_size) { 1500 ordered_events__set_alloc_size(&session->ordered_events, 1501 report.queue_size); 1502 } 1503 1504 session->itrace_synth_opts = &itrace_synth_opts; 1505 1506 report.session = session; 1507 1508 has_br_stack = perf_header__has_feat(&session->header, 1509 HEADER_BRANCH_STACK); 1510 if (evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER) 1511 has_br_stack = false; 1512 1513 setup_forced_leader(&report, session->evlist); 1514 1515 if (symbol_conf.group_sort_idx && evlist__nr_groups(session->evlist) == 0) { 1516 parse_options_usage(NULL, options, "group-sort-idx", 0); 1517 ret = -EINVAL; 1518 goto error; 1519 } 1520 1521 if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch) 1522 has_br_stack = true; 1523 1524 if (has_br_stack && branch_call_mode) 1525 symbol_conf.show_branchflag_count = true; 1526 1527 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1528 1529 /* 1530 * Branch mode is a tristate: 1531 * -1 means default, so decide based on the file having branch data. 1532 * 0/1 means the user chose a mode. 1533 */ 1534 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1535 !branch_call_mode) { 1536 sort__mode = SORT_MODE__BRANCH; 1537 symbol_conf.cumulate_callchain = false; 1538 } 1539 if (branch_call_mode) { 1540 callchain_param.key = CCKEY_ADDRESS; 1541 callchain_param.branch_callstack = true; 1542 symbol_conf.use_callchain = true; 1543 callchain_register_param(&callchain_param); 1544 if (sort_order == NULL) 1545 sort_order = "srcline,symbol,dso"; 1546 } 1547 1548 if (report.mem_mode) { 1549 if (sort__mode == SORT_MODE__BRANCH) { 1550 pr_err("branch and mem mode incompatible\n"); 1551 goto error; 1552 } 1553 sort__mode = SORT_MODE__MEMORY; 1554 symbol_conf.cumulate_callchain = false; 1555 } 1556 1557 if (symbol_conf.report_hierarchy) { 1558 /* disable incompatible options */ 1559 symbol_conf.cumulate_callchain = false; 1560 1561 if (field_order) { 1562 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1563 parse_options_usage(report_usage, options, "F", 1); 1564 parse_options_usage(NULL, options, "hierarchy", 0); 1565 goto error; 1566 } 1567 1568 perf_hpp_list.need_collapse = true; 1569 } 1570 1571 if (report.use_stdio) 1572 use_browser = 0; 1573#ifdef HAVE_SLANG_SUPPORT 1574 else if (report.use_tui) 1575 use_browser = 1; 1576#endif 1577#ifdef HAVE_GTK2_SUPPORT 1578 else if (report.use_gtk) 1579 use_browser = 2; 1580#endif 1581 1582 /* Force tty output for header output and per-thread stat. */ 1583 if (report.header || report.header_only || report.show_threads) 1584 use_browser = 0; 1585 if (report.header || report.header_only) 1586 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1587 if (report.show_full_info) 1588 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1589 if (report.stats_mode || report.tasks_mode) 1590 use_browser = 0; 1591 if (report.stats_mode && report.tasks_mode) { 1592 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1593 goto error; 1594 } 1595 1596 if (report.total_cycles_mode) { 1597 if (sort__mode != SORT_MODE__BRANCH) 1598 report.total_cycles_mode = false; 1599 else 1600 sort_order = NULL; 1601 } 1602 1603 if (strcmp(input_name, "-") != 0) 1604 setup_browser(true); 1605 else 1606 use_browser = 0; 1607 1608 if (sort_order && strstr(sort_order, "ipc")) { 1609 parse_options_usage(report_usage, options, "s", 1); 1610 goto error; 1611 } 1612 1613 if (sort_order && strstr(sort_order, "symbol")) { 1614 if (sort__mode == SORT_MODE__BRANCH) { 1615 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1616 sort_order, "ipc_lbr"); 1617 report.symbol_ipc = true; 1618 } else { 1619 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s", 1620 sort_order, "ipc_null"); 1621 } 1622 1623 sort_order = sort_tmp; 1624 } 1625 1626 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) && 1627 (setup_sorting(session->evlist) < 0)) { 1628 if (sort_order) 1629 parse_options_usage(report_usage, options, "s", 1); 1630 if (field_order) 1631 parse_options_usage(sort_order ? NULL : report_usage, 1632 options, "F", 1); 1633 goto error; 1634 } 1635 1636 if ((report.header || report.header_only) && !quiet) { 1637 perf_session__fprintf_info(session, stdout, 1638 report.show_full_info); 1639 if (report.header_only) { 1640 if (data.is_pipe) { 1641 /* 1642 * we need to process first few records 1643 * which contains PERF_RECORD_HEADER_FEATURE. 1644 */ 1645 perf_session__process_events(session); 1646 } 1647 ret = 0; 1648 goto error; 1649 } 1650 } else if (use_browser == 0 && !quiet && 1651 !report.stats_mode && !report.tasks_mode) { 1652 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1653 stdout); 1654 } 1655 1656 /* 1657 * Only in the TUI browser we are doing integrated annotation, 1658 * so don't allocate extra space that won't be used in the stdio 1659 * implementation. 1660 */ 1661 if (ui__has_annotation() || report.symbol_ipc || 1662 report.total_cycles_mode) { 1663 ret = symbol__annotation_init(); 1664 if (ret < 0) 1665 goto error; 1666 /* 1667 * For searching by name on the "Browse map details". 1668 * providing it only in verbose mode not to bloat too 1669 * much struct symbol. 1670 */ 1671 if (verbose > 0) { 1672 /* 1673 * XXX: Need to provide a less kludgy way to ask for 1674 * more space per symbol, the u32 is for the index on 1675 * the ui browser. 1676 * See symbol__browser_index. 1677 */ 1678 symbol_conf.priv_size += sizeof(u32); 1679 } 1680 annotation_config__init(&report.annotation_opts); 1681 } 1682 1683 if (symbol__init(&session->header.env) < 0) 1684 goto error; 1685 1686 if (report.time_str) { 1687 ret = perf_time__parse_for_ranges(report.time_str, session, 1688 &report.ptime_range, 1689 &report.range_size, 1690 &report.range_num); 1691 if (ret < 0) 1692 goto error; 1693 1694 itrace_synth_opts__set_time_range(&itrace_synth_opts, 1695 report.ptime_range, 1696 report.range_num); 1697 } 1698 1699#ifdef HAVE_LIBTRACEEVENT 1700 if (session->tevent.pevent && 1701 tep_set_function_resolver(session->tevent.pevent, 1702 machine__resolve_kernel_addr, 1703 &session->machines.host) < 0) { 1704 pr_err("%s: failed to set libtraceevent function resolver\n", 1705 __func__); 1706 return -1; 1707 } 1708#endif 1709 sort__setup_elide(stdout); 1710 1711 ret = __cmd_report(&report); 1712 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) { 1713 perf_session__delete(session); 1714 last_key = K_SWITCH_INPUT_DATA; 1715 goto repeat; 1716 } else 1717 ret = 0; 1718 1719error: 1720 if (report.ptime_range) { 1721 itrace_synth_opts__clear_time_range(&itrace_synth_opts); 1722 zfree(&report.ptime_range); 1723 } 1724 1725 if (report.block_reports) { 1726 block_info__free_report(report.block_reports, 1727 report.nr_block_reports); 1728 report.block_reports = NULL; 1729 } 1730 1731 zstd_fini(&(session->zstd_data)); 1732 perf_session__delete(session); 1733exit: 1734 annotation_options__exit(&report.annotation_opts); 1735 free(sort_order_help); 1736 free(field_order_help); 1737 return ret; 1738} 1739