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/util.h" 12 #include "util/config.h" 13 14 #include "util/annotate.h" 15 #include "util/color.h" 16 #include <linux/list.h> 17 #include <linux/rbtree.h> 18 #include <linux/err.h> 19 #include "util/symbol.h" 20 #include "util/callchain.h" 21 #include "util/values.h" 22 23 #include "perf.h" 24 #include "util/debug.h" 25 #include "util/evlist.h" 26 #include "util/evsel.h" 27 #include "util/header.h" 28 #include "util/session.h" 29 #include "util/tool.h" 30 31 #include <subcmd/parse-options.h> 32 #include <subcmd/exec-cmd.h> 33 #include "util/parse-events.h" 34 35 #include "util/thread.h" 36 #include "util/sort.h" 37 #include "util/hist.h" 38 #include "util/data.h" 39 #include "arch/common.h" 40 #include "util/time-utils.h" 41 #include "util/auxtrace.h" 42 #include "util/units.h" 43 #include "util/branch.h" 44 45 #include <dlfcn.h> 46 #include <errno.h> 47 #include <inttypes.h> 48 #include <regex.h> 49 #include <signal.h> 50 #include <linux/bitmap.h> 51 #include <linux/stringify.h> 52 #include <sys/types.h> 53 #include <sys/stat.h> 54 #include <unistd.h> 55 #include <linux/mman.h> 56 57 struct report { 58 struct perf_tool tool; 59 struct perf_session *session; 60 bool use_tui, use_gtk, use_stdio; 61 bool show_full_info; 62 bool show_threads; 63 bool inverted_callchain; 64 bool mem_mode; 65 bool stats_mode; 66 bool tasks_mode; 67 bool mmaps_mode; 68 bool header; 69 bool header_only; 70 bool nonany_branch_mode; 71 bool group_set; 72 int max_stack; 73 struct perf_read_values show_threads_values; 74 struct annotation_options annotation_opts; 75 const char *pretty_printing_style; 76 const char *cpu_list; 77 const char *symbol_filter_str; 78 const char *time_str; 79 struct perf_time_interval *ptime_range; 80 int range_size; 81 int range_num; 82 float min_percent; 83 u64 nr_entries; 84 u64 queue_size; 85 int socket_filter; 86 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 87 struct branch_type_stat brtype_stat; 88 }; 89 90 static int report__config(const char *var, const char *value, void *cb) 91 { 92 struct report *rep = cb; 93 94 if (!strcmp(var, "report.group")) { 95 symbol_conf.event_group = perf_config_bool(var, value); 96 return 0; 97 } 98 if (!strcmp(var, "report.percent-limit")) { 99 double pcnt = strtof(value, NULL); 100 101 rep->min_percent = pcnt; 102 callchain_param.min_percent = pcnt; 103 return 0; 104 } 105 if (!strcmp(var, "report.children")) { 106 symbol_conf.cumulate_callchain = perf_config_bool(var, value); 107 return 0; 108 } 109 if (!strcmp(var, "report.queue-size")) 110 return perf_config_u64(&rep->queue_size, var, value); 111 112 if (!strcmp(var, "report.sort_order")) { 113 default_sort_order = strdup(value); 114 return 0; 115 } 116 117 return 0; 118 } 119 120 static int hist_iter__report_callback(struct hist_entry_iter *iter, 121 struct addr_location *al, bool single, 122 void *arg) 123 { 124 int err = 0; 125 struct report *rep = arg; 126 struct hist_entry *he = iter->he; 127 struct perf_evsel *evsel = iter->evsel; 128 struct perf_sample *sample = iter->sample; 129 struct mem_info *mi; 130 struct branch_info *bi; 131 132 if (!ui__has_annotation()) 133 return 0; 134 135 hist__account_cycles(sample->branch_stack, al, sample, 136 rep->nonany_branch_mode); 137 138 if (sort__mode == SORT_MODE__BRANCH) { 139 bi = he->branch_info; 140 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 141 if (err) 142 goto out; 143 144 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 145 146 } else if (rep->mem_mode) { 147 mi = he->mem_info; 148 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel); 149 if (err) 150 goto out; 151 152 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 153 154 } else if (symbol_conf.cumulate_callchain) { 155 if (single) 156 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 157 } else { 158 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); 159 } 160 161 out: 162 return err; 163 } 164 165 static int hist_iter__branch_callback(struct hist_entry_iter *iter, 166 struct addr_location *al __maybe_unused, 167 bool single __maybe_unused, 168 void *arg) 169 { 170 struct hist_entry *he = iter->he; 171 struct report *rep = arg; 172 struct branch_info *bi; 173 struct perf_sample *sample = iter->sample; 174 struct perf_evsel *evsel = iter->evsel; 175 int err; 176 177 if (!ui__has_annotation()) 178 return 0; 179 180 hist__account_cycles(sample->branch_stack, al, sample, 181 rep->nonany_branch_mode); 182 183 bi = he->branch_info; 184 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); 185 if (err) 186 goto out; 187 188 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); 189 190 branch_type_count(&rep->brtype_stat, &bi->flags, 191 bi->from.addr, bi->to.addr); 192 193 out: 194 return err; 195 } 196 197 static void setup_forced_leader(struct report *report, 198 struct perf_evlist *evlist) 199 { 200 if (report->group_set) 201 perf_evlist__force_leader(evlist); 202 } 203 204 static int process_feature_event(struct perf_tool *tool, 205 union perf_event *event, 206 struct perf_session *session __maybe_unused) 207 { 208 struct report *rep = container_of(tool, struct report, tool); 209 210 if (event->feat.feat_id < HEADER_LAST_FEATURE) 211 return perf_event__process_feature(tool, event, session); 212 213 if (event->feat.feat_id != HEADER_LAST_FEATURE) { 214 pr_err("failed: wrong feature ID: %" PRIu64 "\n", 215 event->feat.feat_id); 216 return -1; 217 } 218 219 /* 220 * (feat_id = HEADER_LAST_FEATURE) is the end marker which 221 * means all features are received, now we can force the 222 * group if needed. 223 */ 224 setup_forced_leader(rep, session->evlist); 225 return 0; 226 } 227 228 static int process_sample_event(struct perf_tool *tool, 229 union perf_event *event, 230 struct perf_sample *sample, 231 struct perf_evsel *evsel, 232 struct machine *machine) 233 { 234 struct report *rep = container_of(tool, struct report, tool); 235 struct addr_location al; 236 struct hist_entry_iter iter = { 237 .evsel = evsel, 238 .sample = sample, 239 .hide_unresolved = symbol_conf.hide_unresolved, 240 .add_entry_cb = hist_iter__report_callback, 241 }; 242 int ret = 0; 243 244 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num, 245 sample->time)) { 246 return 0; 247 } 248 249 if (machine__resolve(machine, &al, sample) < 0) { 250 pr_debug("problem processing %d event, skipping it.\n", 251 event->header.type); 252 return -1; 253 } 254 255 if (symbol_conf.hide_unresolved && al.sym == NULL) 256 goto out_put; 257 258 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) 259 goto out_put; 260 261 if (sort__mode == SORT_MODE__BRANCH) { 262 /* 263 * A non-synthesized event might not have a branch stack if 264 * branch stacks have been synthesized (using itrace options). 265 */ 266 if (!sample->branch_stack) 267 goto out_put; 268 269 iter.add_entry_cb = hist_iter__branch_callback; 270 iter.ops = &hist_iter_branch; 271 } else if (rep->mem_mode) { 272 iter.ops = &hist_iter_mem; 273 } else if (symbol_conf.cumulate_callchain) { 274 iter.ops = &hist_iter_cumulative; 275 } else { 276 iter.ops = &hist_iter_normal; 277 } 278 279 if (al.map != NULL) 280 al.map->dso->hit = 1; 281 282 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); 283 if (ret < 0) 284 pr_debug("problem adding hist entry, skipping event\n"); 285 out_put: 286 addr_location__put(&al); 287 return ret; 288 } 289 290 static int process_read_event(struct perf_tool *tool, 291 union perf_event *event, 292 struct perf_sample *sample __maybe_unused, 293 struct perf_evsel *evsel, 294 struct machine *machine __maybe_unused) 295 { 296 struct report *rep = container_of(tool, struct report, tool); 297 298 if (rep->show_threads) { 299 const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; 300 int err = perf_read_values_add_value(&rep->show_threads_values, 301 event->read.pid, event->read.tid, 302 evsel->idx, 303 name, 304 event->read.value); 305 306 if (err) 307 return err; 308 } 309 310 return 0; 311 } 312 313 /* For pipe mode, sample_type is not currently set */ 314 static int report__setup_sample_type(struct report *rep) 315 { 316 struct perf_session *session = rep->session; 317 u64 sample_type = perf_evlist__combined_sample_type(session->evlist); 318 bool is_pipe = perf_data__is_pipe(session->data); 319 320 if (session->itrace_synth_opts->callchain || 321 (!is_pipe && 322 perf_header__has_feat(&session->header, HEADER_AUXTRACE) && 323 !session->itrace_synth_opts->set)) 324 sample_type |= PERF_SAMPLE_CALLCHAIN; 325 326 if (session->itrace_synth_opts->last_branch) 327 sample_type |= PERF_SAMPLE_BRANCH_STACK; 328 329 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { 330 if (perf_hpp_list.parent) { 331 ui__error("Selected --sort parent, but no " 332 "callchain data. Did you call " 333 "'perf record' without -g?\n"); 334 return -EINVAL; 335 } 336 if (symbol_conf.use_callchain && 337 !symbol_conf.show_branchflag_count) { 338 ui__error("Selected -g or --branch-history.\n" 339 "But no callchain or branch data.\n" 340 "Did you call 'perf record' without -g or -b?\n"); 341 return -1; 342 } 343 } else if (!callchain_param.enabled && 344 callchain_param.mode != CHAIN_NONE && 345 !symbol_conf.use_callchain) { 346 symbol_conf.use_callchain = true; 347 if (callchain_register_param(&callchain_param) < 0) { 348 ui__error("Can't register callchain params.\n"); 349 return -EINVAL; 350 } 351 } 352 353 if (symbol_conf.cumulate_callchain) { 354 /* Silently ignore if callchain is missing */ 355 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { 356 symbol_conf.cumulate_callchain = false; 357 perf_hpp__cancel_cumulate(); 358 } 359 } 360 361 if (sort__mode == SORT_MODE__BRANCH) { 362 if (!is_pipe && 363 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { 364 ui__error("Selected -b but no branch data. " 365 "Did you call perf record without -b?\n"); 366 return -1; 367 } 368 } 369 370 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { 371 if ((sample_type & PERF_SAMPLE_REGS_USER) && 372 (sample_type & PERF_SAMPLE_STACK_USER)) { 373 callchain_param.record_mode = CALLCHAIN_DWARF; 374 dwarf_callchain_users = true; 375 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) 376 callchain_param.record_mode = CALLCHAIN_LBR; 377 else 378 callchain_param.record_mode = CALLCHAIN_FP; 379 } 380 381 /* ??? handle more cases than just ANY? */ 382 if (!(perf_evlist__combined_branch_type(session->evlist) & 383 PERF_SAMPLE_BRANCH_ANY)) 384 rep->nonany_branch_mode = true; 385 386 return 0; 387 } 388 389 static void sig_handler(int sig __maybe_unused) 390 { 391 session_done = 1; 392 } 393 394 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, 395 const char *evname, FILE *fp) 396 { 397 size_t ret; 398 char unit; 399 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 400 u64 nr_events = hists->stats.total_period; 401 struct perf_evsel *evsel = hists_to_evsel(hists); 402 char buf[512]; 403 size_t size = sizeof(buf); 404 int socked_id = hists->socket_filter; 405 406 if (quiet) 407 return 0; 408 409 if (symbol_conf.filter_relative) { 410 nr_samples = hists->stats.nr_non_filtered_samples; 411 nr_events = hists->stats.total_non_filtered_period; 412 } 413 414 if (perf_evsel__is_group_event(evsel)) { 415 struct perf_evsel *pos; 416 417 perf_evsel__group_desc(evsel, buf, size); 418 evname = buf; 419 420 for_each_group_member(pos, evsel) { 421 const struct hists *pos_hists = evsel__hists(pos); 422 423 if (symbol_conf.filter_relative) { 424 nr_samples += pos_hists->stats.nr_non_filtered_samples; 425 nr_events += pos_hists->stats.total_non_filtered_period; 426 } else { 427 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; 428 nr_events += pos_hists->stats.total_period; 429 } 430 } 431 } 432 433 nr_samples = convert_unit(nr_samples, &unit); 434 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); 435 if (evname != NULL) { 436 ret += fprintf(fp, " of event%s '%s'", 437 evsel->nr_members > 1 ? "s" : "", evname); 438 } 439 440 if (rep->time_str) 441 ret += fprintf(fp, " (time slices: %s)", rep->time_str); 442 443 if (symbol_conf.show_ref_callgraph && 444 strstr(evname, "call-graph=no")) { 445 ret += fprintf(fp, ", show reference callgraph"); 446 } 447 448 if (rep->mem_mode) { 449 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); 450 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); 451 } else 452 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); 453 454 if (socked_id > -1) 455 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); 456 457 return ret + fprintf(fp, "\n#\n"); 458 } 459 460 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, 461 struct report *rep, 462 const char *help) 463 { 464 struct perf_evsel *pos; 465 466 if (!quiet) { 467 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", 468 evlist->stats.total_lost_samples); 469 } 470 471 evlist__for_each_entry(evlist, pos) { 472 struct hists *hists = evsel__hists(pos); 473 const char *evname = perf_evsel__name(pos); 474 475 if (symbol_conf.event_group && 476 !perf_evsel__is_group_leader(pos)) 477 continue; 478 479 hists__fprintf_nr_sample_events(hists, rep, evname, stdout); 480 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout, 481 !(symbol_conf.use_callchain || 482 symbol_conf.show_branchflag_count)); 483 fprintf(stdout, "\n\n"); 484 } 485 486 if (!quiet) 487 fprintf(stdout, "#\n# (%s)\n#\n", help); 488 489 if (rep->show_threads) { 490 bool style = !strcmp(rep->pretty_printing_style, "raw"); 491 perf_read_values_display(stdout, &rep->show_threads_values, 492 style); 493 perf_read_values_destroy(&rep->show_threads_values); 494 } 495 496 if (sort__mode == SORT_MODE__BRANCH) 497 branch_type_stat_display(stdout, &rep->brtype_stat); 498 499 return 0; 500 } 501 502 static void report__warn_kptr_restrict(const struct report *rep) 503 { 504 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host); 505 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; 506 507 if (perf_evlist__exclude_kernel(rep->session->evlist)) 508 return; 509 510 if (kernel_map == NULL || 511 (kernel_map->dso->hit && 512 (kernel_kmap->ref_reloc_sym == NULL || 513 kernel_kmap->ref_reloc_sym->addr == 0))) { 514 const char *desc = 515 "As no suitable kallsyms nor vmlinux was found, kernel samples\n" 516 "can't be resolved."; 517 518 if (kernel_map && map__has_symbols(kernel_map)) { 519 desc = "If some relocation was applied (e.g. " 520 "kexec) symbols may be misresolved."; 521 } 522 523 ui__warning( 524 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" 525 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" 526 "Samples in kernel modules can't be resolved as well.\n\n", 527 desc); 528 } 529 } 530 531 static int report__gtk_browse_hists(struct report *rep, const char *help) 532 { 533 int (*hist_browser)(struct perf_evlist *evlist, const char *help, 534 struct hist_browser_timer *timer, float min_pcnt); 535 536 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); 537 538 if (hist_browser == NULL) { 539 ui__error("GTK browser not found!\n"); 540 return -1; 541 } 542 543 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); 544 } 545 546 static int report__browse_hists(struct report *rep) 547 { 548 int ret; 549 struct perf_session *session = rep->session; 550 struct perf_evlist *evlist = session->evlist; 551 const char *help = perf_tip(system_path(TIPDIR)); 552 553 if (help == NULL) { 554 /* fallback for people who don't install perf ;-) */ 555 help = perf_tip(DOCDIR); 556 if (help == NULL) 557 help = "Cannot load tips.txt file, please install perf!"; 558 } 559 560 switch (use_browser) { 561 case 1: 562 ret = perf_evlist__tui_browse_hists(evlist, help, NULL, 563 rep->min_percent, 564 &session->header.env, 565 true, &rep->annotation_opts); 566 /* 567 * Usually "ret" is the last pressed key, and we only 568 * care if the key notifies us to switch data file. 569 */ 570 if (ret != K_SWITCH_INPUT_DATA) 571 ret = 0; 572 break; 573 case 2: 574 ret = report__gtk_browse_hists(rep, help); 575 break; 576 default: 577 ret = perf_evlist__tty_browse_hists(evlist, rep, help); 578 break; 579 } 580 581 return ret; 582 } 583 584 static int report__collapse_hists(struct report *rep) 585 { 586 struct ui_progress prog; 587 struct perf_evsel *pos; 588 int ret = 0; 589 590 ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); 591 592 evlist__for_each_entry(rep->session->evlist, pos) { 593 struct hists *hists = evsel__hists(pos); 594 595 if (pos->idx == 0) 596 hists->symbol_filter_str = rep->symbol_filter_str; 597 598 hists->socket_filter = rep->socket_filter; 599 600 ret = hists__collapse_resort(hists, &prog); 601 if (ret < 0) 602 break; 603 604 /* Non-group events are considered as leader */ 605 if (symbol_conf.event_group && 606 !perf_evsel__is_group_leader(pos)) { 607 struct hists *leader_hists = evsel__hists(pos->leader); 608 609 hists__match(leader_hists, hists); 610 hists__link(leader_hists, hists); 611 } 612 } 613 614 ui_progress__finish(); 615 return ret; 616 } 617 618 static void report__output_resort(struct report *rep) 619 { 620 struct ui_progress prog; 621 struct perf_evsel *pos; 622 623 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); 624 625 evlist__for_each_entry(rep->session->evlist, pos) 626 perf_evsel__output_resort(pos, &prog); 627 628 ui_progress__finish(); 629 } 630 631 static void stats_setup(struct report *rep) 632 { 633 memset(&rep->tool, 0, sizeof(rep->tool)); 634 rep->tool.no_warn = true; 635 } 636 637 static int stats_print(struct report *rep) 638 { 639 struct perf_session *session = rep->session; 640 641 perf_session__fprintf_nr_events(session, stdout); 642 return 0; 643 } 644 645 static void tasks_setup(struct report *rep) 646 { 647 memset(&rep->tool, 0, sizeof(rep->tool)); 648 rep->tool.ordered_events = true; 649 if (rep->mmaps_mode) { 650 rep->tool.mmap = perf_event__process_mmap; 651 rep->tool.mmap2 = perf_event__process_mmap2; 652 } 653 rep->tool.comm = perf_event__process_comm; 654 rep->tool.exit = perf_event__process_exit; 655 rep->tool.fork = perf_event__process_fork; 656 rep->tool.no_warn = true; 657 } 658 659 struct task { 660 struct thread *thread; 661 struct list_head list; 662 struct list_head children; 663 }; 664 665 static struct task *tasks_list(struct task *task, struct machine *machine) 666 { 667 struct thread *parent_thread, *thread = task->thread; 668 struct task *parent_task; 669 670 /* Already listed. */ 671 if (!list_empty(&task->list)) 672 return NULL; 673 674 /* Last one in the chain. */ 675 if (thread->ppid == -1) 676 return task; 677 678 parent_thread = machine__find_thread(machine, -1, thread->ppid); 679 if (!parent_thread) 680 return ERR_PTR(-ENOENT); 681 682 parent_task = thread__priv(parent_thread); 683 list_add_tail(&task->list, &parent_task->children); 684 return tasks_list(parent_task, machine); 685 } 686 687 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) 688 { 689 size_t printed = 0; 690 struct rb_node *nd; 691 692 for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { 693 struct map *map = rb_entry(nd, struct map, rb_node); 694 695 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", 696 indent, "", map->start, map->end, 697 map->prot & PROT_READ ? 'r' : '-', 698 map->prot & PROT_WRITE ? 'w' : '-', 699 map->prot & PROT_EXEC ? 'x' : '-', 700 map->flags & MAP_SHARED ? 's' : 'p', 701 map->pgoff, 702 map->ino, map->dso->name); 703 } 704 705 return printed; 706 } 707 708 static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) 709 { 710 return maps__fprintf_task(&mg->maps, indent, fp); 711 } 712 713 static void task__print_level(struct task *task, FILE *fp, int level) 714 { 715 struct thread *thread = task->thread; 716 struct task *child; 717 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", 718 thread->pid_, thread->tid, thread->ppid, 719 level, ""); 720 721 fprintf(fp, "%s\n", thread__comm_str(thread)); 722 723 map_groups__fprintf_task(thread->mg, comm_indent, fp); 724 725 if (!list_empty(&task->children)) { 726 list_for_each_entry(child, &task->children, list) 727 task__print_level(child, fp, level + 1); 728 } 729 } 730 731 static int tasks_print(struct report *rep, FILE *fp) 732 { 733 struct perf_session *session = rep->session; 734 struct machine *machine = &session->machines.host; 735 struct task *tasks, *task; 736 unsigned int nr = 0, itask = 0, i; 737 struct rb_node *nd; 738 LIST_HEAD(list); 739 740 /* 741 * No locking needed while accessing machine->threads, 742 * because --tasks is single threaded command. 743 */ 744 745 /* Count all the threads. */ 746 for (i = 0; i < THREADS__TABLE_SIZE; i++) 747 nr += machine->threads[i].nr; 748 749 tasks = malloc(sizeof(*tasks) * nr); 750 if (!tasks) 751 return -ENOMEM; 752 753 for (i = 0; i < THREADS__TABLE_SIZE; i++) { 754 struct threads *threads = &machine->threads[i]; 755 756 for (nd = rb_first(&threads->entries); nd; nd = rb_next(nd)) { 757 task = tasks + itask++; 758 759 task->thread = rb_entry(nd, struct thread, rb_node); 760 INIT_LIST_HEAD(&task->children); 761 INIT_LIST_HEAD(&task->list); 762 thread__set_priv(task->thread, task); 763 } 764 } 765 766 /* 767 * Iterate every task down to the unprocessed parent 768 * and link all in task children list. Task with no 769 * parent is added into 'list'. 770 */ 771 for (itask = 0; itask < nr; itask++) { 772 task = tasks + itask; 773 774 if (!list_empty(&task->list)) 775 continue; 776 777 task = tasks_list(task, machine); 778 if (IS_ERR(task)) { 779 pr_err("Error: failed to process tasks\n"); 780 free(tasks); 781 return PTR_ERR(task); 782 } 783 784 if (task) 785 list_add_tail(&task->list, &list); 786 } 787 788 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm"); 789 790 list_for_each_entry(task, &list, list) 791 task__print_level(task, fp, 0); 792 793 free(tasks); 794 return 0; 795 } 796 797 static int __cmd_report(struct report *rep) 798 { 799 int ret; 800 struct perf_session *session = rep->session; 801 struct perf_evsel *pos; 802 struct perf_data *data = session->data; 803 804 signal(SIGINT, sig_handler); 805 806 if (rep->cpu_list) { 807 ret = perf_session__cpu_bitmap(session, rep->cpu_list, 808 rep->cpu_bitmap); 809 if (ret) { 810 ui__error("failed to set cpu bitmap\n"); 811 return ret; 812 } 813 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap; 814 } 815 816 if (rep->show_threads) { 817 ret = perf_read_values_init(&rep->show_threads_values); 818 if (ret) 819 return ret; 820 } 821 822 ret = report__setup_sample_type(rep); 823 if (ret) { 824 /* report__setup_sample_type() already showed error message */ 825 return ret; 826 } 827 828 if (rep->stats_mode) 829 stats_setup(rep); 830 831 if (rep->tasks_mode) 832 tasks_setup(rep); 833 834 ret = perf_session__process_events(session); 835 if (ret) { 836 ui__error("failed to process sample\n"); 837 return ret; 838 } 839 840 if (rep->stats_mode) 841 return stats_print(rep); 842 843 if (rep->tasks_mode) 844 return tasks_print(rep, stdout); 845 846 report__warn_kptr_restrict(rep); 847 848 evlist__for_each_entry(session->evlist, pos) 849 rep->nr_entries += evsel__hists(pos)->nr_entries; 850 851 if (use_browser == 0) { 852 if (verbose > 3) 853 perf_session__fprintf(session, stdout); 854 855 if (verbose > 2) 856 perf_session__fprintf_dsos(session, stdout); 857 858 if (dump_trace) { 859 perf_session__fprintf_nr_events(session, stdout); 860 perf_evlist__fprintf_nr_events(session->evlist, stdout); 861 return 0; 862 } 863 } 864 865 ret = report__collapse_hists(rep); 866 if (ret) { 867 ui__error("failed to process hist entry\n"); 868 return ret; 869 } 870 871 if (session_done()) 872 return 0; 873 874 /* 875 * recalculate number of entries after collapsing since it 876 * might be changed during the collapse phase. 877 */ 878 rep->nr_entries = 0; 879 evlist__for_each_entry(session->evlist, pos) 880 rep->nr_entries += evsel__hists(pos)->nr_entries; 881 882 if (rep->nr_entries == 0) { 883 ui__error("The %s file has no samples!\n", data->file.path); 884 return 0; 885 } 886 887 report__output_resort(rep); 888 889 return report__browse_hists(rep); 890 } 891 892 static int 893 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) 894 { 895 struct callchain_param *callchain = opt->value; 896 897 callchain->enabled = !unset; 898 /* 899 * --no-call-graph 900 */ 901 if (unset) { 902 symbol_conf.use_callchain = false; 903 callchain->mode = CHAIN_NONE; 904 return 0; 905 } 906 907 return parse_callchain_report_opt(arg); 908 } 909 910 int 911 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, 912 const char *arg, int unset __maybe_unused) 913 { 914 if (arg) { 915 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); 916 if (err) { 917 char buf[BUFSIZ]; 918 regerror(err, &ignore_callees_regex, buf, sizeof(buf)); 919 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); 920 return -1; 921 } 922 have_ignore_callees = 1; 923 } 924 925 return 0; 926 } 927 928 static int 929 parse_branch_mode(const struct option *opt, 930 const char *str __maybe_unused, int unset) 931 { 932 int *branch_mode = opt->value; 933 934 *branch_mode = !unset; 935 return 0; 936 } 937 938 static int 939 parse_percent_limit(const struct option *opt, const char *str, 940 int unset __maybe_unused) 941 { 942 struct report *rep = opt->value; 943 double pcnt = strtof(str, NULL); 944 945 rep->min_percent = pcnt; 946 callchain_param.min_percent = pcnt; 947 return 0; 948 } 949 950 int cmd_report(int argc, const char **argv) 951 { 952 struct perf_session *session; 953 struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; 954 struct stat st; 955 bool has_br_stack = false; 956 int branch_mode = -1; 957 bool branch_call_mode = false; 958 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent" 959 const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n" 960 CALLCHAIN_REPORT_HELP 961 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT; 962 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT; 963 const char * const report_usage[] = { 964 "perf report [<options>]", 965 NULL 966 }; 967 struct report report = { 968 .tool = { 969 .sample = process_sample_event, 970 .mmap = perf_event__process_mmap, 971 .mmap2 = perf_event__process_mmap2, 972 .comm = perf_event__process_comm, 973 .namespaces = perf_event__process_namespaces, 974 .exit = perf_event__process_exit, 975 .fork = perf_event__process_fork, 976 .lost = perf_event__process_lost, 977 .read = process_read_event, 978 .attr = perf_event__process_attr, 979 .tracing_data = perf_event__process_tracing_data, 980 .build_id = perf_event__process_build_id, 981 .id_index = perf_event__process_id_index, 982 .auxtrace_info = perf_event__process_auxtrace_info, 983 .auxtrace = perf_event__process_auxtrace, 984 .feature = process_feature_event, 985 .ordered_events = true, 986 .ordering_requires_timestamps = true, 987 }, 988 .max_stack = PERF_MAX_STACK_DEPTH, 989 .pretty_printing_style = "normal", 990 .socket_filter = -1, 991 .annotation_opts = annotation__default_options, 992 }; 993 const struct option options[] = { 994 OPT_STRING('i', "input", &input_name, "file", 995 "input file name"), 996 OPT_INCR('v', "verbose", &verbose, 997 "be more verbose (show symbol address, etc)"), 998 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), 999 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 1000 "dump raw trace in ASCII"), 1001 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), 1002 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), 1003 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), 1004 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 1005 "file", "vmlinux pathname"), 1006 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, 1007 "don't load vmlinux even if found"), 1008 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, 1009 "file", "kallsyms pathname"), 1010 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"), 1011 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 1012 "load module symbols - WARNING: use only with -k and LIVE kernel"), 1013 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1014 "Show a column with the number of samples"), 1015 OPT_BOOLEAN('T', "threads", &report.show_threads, 1016 "Show per-thread event counters"), 1017 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", 1018 "pretty printing style key: normal raw"), 1019 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), 1020 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), 1021 OPT_BOOLEAN(0, "stdio", &report.use_stdio, 1022 "Use the stdio interface"), 1023 OPT_BOOLEAN(0, "header", &report.header, "Show data header."), 1024 OPT_BOOLEAN(0, "header-only", &report.header_only, 1025 "Show only data header."), 1026 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1027 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." 1028 " Please refer the man page for the complete list."), 1029 OPT_STRING('F', "fields", &field_order, "key[,keys...]", 1030 "output field(s): overhead, period, sample plus all of sort keys"), 1031 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization, 1032 "Show sample percentage for different cpu modes"), 1033 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, 1034 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN), 1035 OPT_STRING('p', "parent", &parent_pattern, "regex", 1036 "regex filter to identify parent, see: '--sort parent'"), 1037 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, 1038 "Only display entries with parent-match"), 1039 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param, 1040 "print_type,threshold[,print_limit],order,sort_key[,branch],value", 1041 report_callchain_help, &report_parse_callchain_opt, 1042 callchain_default_opt), 1043 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, 1044 "Accumulate callchains of children and show total overhead as well"), 1045 OPT_INTEGER(0, "max-stack", &report.max_stack, 1046 "Set the maximum stack depth when parsing the callchain, " 1047 "anything beyond the specified depth will be ignored. " 1048 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), 1049 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, 1050 "alias for inverted call graph"), 1051 OPT_CALLBACK(0, "ignore-callees", NULL, "regex", 1052 "ignore callees of these functions in call graphs", 1053 report_parse_ignore_callees_opt), 1054 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 1055 "only consider symbols in these dsos"), 1056 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 1057 "only consider symbols in these comms"), 1058 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", 1059 "only consider symbols in these pids"), 1060 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", 1061 "only consider symbols in these tids"), 1062 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 1063 "only consider these symbols"), 1064 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", 1065 "only show symbols that (partially) match with this filter"), 1066 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, 1067 "width[,width...]", 1068 "don't try to adjust column width, use these fixed values"), 1069 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", 1070 "separator for columns, no spaces will be added between " 1071 "columns '.' is reserved."), 1072 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved, 1073 "Only display entries resolved to a symbol"), 1074 OPT_CALLBACK(0, "symfs", NULL, "directory", 1075 "Look for files with symbols relative to this directory", 1076 symbol__config_symfs), 1077 OPT_STRING('C', "cpu", &report.cpu_list, "cpu", 1078 "list of cpus to profile"), 1079 OPT_BOOLEAN('I', "show-info", &report.show_full_info, 1080 "Display extended information about perf.data file"), 1081 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src, 1082 "Interleave source code with assembly code (default)"), 1083 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw, 1084 "Display raw encoding of assembly instructions (default)"), 1085 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style", 1086 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1087 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, 1088 "Show a column with the sum of periods"), 1089 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set, 1090 "Show event group information together"), 1091 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", 1092 "use branch records for per branch histogram filling", 1093 parse_branch_mode), 1094 OPT_BOOLEAN(0, "branch-history", &branch_call_mode, 1095 "add last branch records to call history"), 1096 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path", 1097 "objdump binary to use for disassembly and annotations"), 1098 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, 1099 "Disable symbol demangling"), 1100 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, 1101 "Enable kernel symbol demangling"), 1102 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), 1103 OPT_CALLBACK(0, "percent-limit", &report, "percent", 1104 "Don't show entries under that percent", parse_percent_limit), 1105 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", 1106 "how to display percentage of filtered entries", parse_filter_percentage), 1107 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", 1108 "Instruction Tracing options", 1109 itrace_parse_synth_opts), 1110 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, 1111 "Show full source file name path for source lines"), 1112 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, 1113 "Show callgraph from reference event"), 1114 OPT_INTEGER(0, "socket-filter", &report.socket_filter, 1115 "only show processor socket that match with this filter"), 1116 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, 1117 "Show raw trace event output (do not use print fmt or plugins)"), 1118 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, 1119 "Show entries in a hierarchy"), 1120 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", 1121 "'always' (default), 'never' or 'auto' only applicable to --stdio mode", 1122 stdio__config_color, "always"), 1123 OPT_STRING(0, "time", &report.time_str, "str", 1124 "Time span of interest (start,stop)"), 1125 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name, 1126 "Show inline function"), 1127 OPT_END() 1128 }; 1129 struct perf_data data = { 1130 .mode = PERF_DATA_MODE_READ, 1131 }; 1132 int ret = hists__init(); 1133 1134 if (ret < 0) 1135 return ret; 1136 1137 ret = perf_config(report__config, &report); 1138 if (ret) 1139 return ret; 1140 1141 argc = parse_options(argc, argv, options, report_usage, 0); 1142 if (argc) { 1143 /* 1144 * Special case: if there's an argument left then assume that 1145 * it's a symbol filter: 1146 */ 1147 if (argc > 1) 1148 usage_with_options(report_usage, options); 1149 1150 report.symbol_filter_str = argv[0]; 1151 } 1152 1153 if (report.mmaps_mode) 1154 report.tasks_mode = true; 1155 1156 if (quiet) 1157 perf_quiet_option(); 1158 1159 if (symbol_conf.vmlinux_name && 1160 access(symbol_conf.vmlinux_name, R_OK)) { 1161 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); 1162 return -EINVAL; 1163 } 1164 if (symbol_conf.kallsyms_name && 1165 access(symbol_conf.kallsyms_name, R_OK)) { 1166 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); 1167 return -EINVAL; 1168 } 1169 1170 if (report.inverted_callchain) 1171 callchain_param.order = ORDER_CALLER; 1172 if (symbol_conf.cumulate_callchain && !callchain_param.order_set) 1173 callchain_param.order = ORDER_CALLER; 1174 1175 if (itrace_synth_opts.callchain && 1176 (int)itrace_synth_opts.callchain_sz > report.max_stack) 1177 report.max_stack = itrace_synth_opts.callchain_sz; 1178 1179 if (!input_name || !strlen(input_name)) { 1180 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 1181 input_name = "-"; 1182 else 1183 input_name = "perf.data"; 1184 } 1185 1186 data.file.path = input_name; 1187 data.force = symbol_conf.force; 1188 1189 repeat: 1190 session = perf_session__new(&data, false, &report.tool); 1191 if (session == NULL) 1192 return -1; 1193 1194 if (report.queue_size) { 1195 ordered_events__set_alloc_size(&session->ordered_events, 1196 report.queue_size); 1197 } 1198 1199 session->itrace_synth_opts = &itrace_synth_opts; 1200 1201 report.session = session; 1202 1203 has_br_stack = perf_header__has_feat(&session->header, 1204 HEADER_BRANCH_STACK); 1205 1206 setup_forced_leader(&report, session->evlist); 1207 1208 if (itrace_synth_opts.last_branch) 1209 has_br_stack = true; 1210 1211 if (has_br_stack && branch_call_mode) 1212 symbol_conf.show_branchflag_count = true; 1213 1214 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat)); 1215 1216 /* 1217 * Branch mode is a tristate: 1218 * -1 means default, so decide based on the file having branch data. 1219 * 0/1 means the user chose a mode. 1220 */ 1221 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && 1222 !branch_call_mode) { 1223 sort__mode = SORT_MODE__BRANCH; 1224 symbol_conf.cumulate_callchain = false; 1225 } 1226 if (branch_call_mode) { 1227 callchain_param.key = CCKEY_ADDRESS; 1228 callchain_param.branch_callstack = 1; 1229 symbol_conf.use_callchain = true; 1230 callchain_register_param(&callchain_param); 1231 if (sort_order == NULL) 1232 sort_order = "srcline,symbol,dso"; 1233 } 1234 1235 if (report.mem_mode) { 1236 if (sort__mode == SORT_MODE__BRANCH) { 1237 pr_err("branch and mem mode incompatible\n"); 1238 goto error; 1239 } 1240 sort__mode = SORT_MODE__MEMORY; 1241 symbol_conf.cumulate_callchain = false; 1242 } 1243 1244 if (symbol_conf.report_hierarchy) { 1245 /* disable incompatible options */ 1246 symbol_conf.cumulate_callchain = false; 1247 1248 if (field_order) { 1249 pr_err("Error: --hierarchy and --fields options cannot be used together\n"); 1250 parse_options_usage(report_usage, options, "F", 1); 1251 parse_options_usage(NULL, options, "hierarchy", 0); 1252 goto error; 1253 } 1254 1255 perf_hpp_list.need_collapse = true; 1256 } 1257 1258 if (report.use_stdio) 1259 use_browser = 0; 1260 else if (report.use_tui) 1261 use_browser = 1; 1262 else if (report.use_gtk) 1263 use_browser = 2; 1264 1265 /* Force tty output for header output and per-thread stat. */ 1266 if (report.header || report.header_only || report.show_threads) 1267 use_browser = 0; 1268 if (report.header || report.header_only) 1269 report.tool.show_feat_hdr = SHOW_FEAT_HEADER; 1270 if (report.show_full_info) 1271 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO; 1272 if (report.stats_mode || report.tasks_mode) 1273 use_browser = 0; 1274 if (report.stats_mode && report.tasks_mode) { 1275 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); 1276 goto error; 1277 } 1278 1279 if (strcmp(input_name, "-") != 0) 1280 setup_browser(true); 1281 else 1282 use_browser = 0; 1283 1284 if (setup_sorting(session->evlist) < 0) { 1285 if (sort_order) 1286 parse_options_usage(report_usage, options, "s", 1); 1287 if (field_order) 1288 parse_options_usage(sort_order ? NULL : report_usage, 1289 options, "F", 1); 1290 goto error; 1291 } 1292 1293 if ((report.header || report.header_only) && !quiet) { 1294 perf_session__fprintf_info(session, stdout, 1295 report.show_full_info); 1296 if (report.header_only) { 1297 ret = 0; 1298 goto error; 1299 } 1300 } else if (use_browser == 0 && !quiet && 1301 !report.stats_mode && !report.tasks_mode) { 1302 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", 1303 stdout); 1304 } 1305 1306 /* 1307 * Only in the TUI browser we are doing integrated annotation, 1308 * so don't allocate extra space that won't be used in the stdio 1309 * implementation. 1310 */ 1311 if (ui__has_annotation()) { 1312 ret = symbol__annotation_init(); 1313 if (ret < 0) 1314 goto error; 1315 /* 1316 * For searching by name on the "Browse map details". 1317 * providing it only in verbose mode not to bloat too 1318 * much struct symbol. 1319 */ 1320 if (verbose > 0) { 1321 /* 1322 * XXX: Need to provide a less kludgy way to ask for 1323 * more space per symbol, the u32 is for the index on 1324 * the ui browser. 1325 * See symbol__browser_index. 1326 */ 1327 symbol_conf.priv_size += sizeof(u32); 1328 symbol_conf.sort_by_name = true; 1329 } 1330 annotation_config__init(); 1331 } 1332 1333 if (symbol__init(&session->header.env) < 0) 1334 goto error; 1335 1336 report.ptime_range = perf_time__range_alloc(report.time_str, 1337 &report.range_size); 1338 if (!report.ptime_range) { 1339 ret = -ENOMEM; 1340 goto error; 1341 } 1342 1343 if (perf_time__parse_str(report.ptime_range, report.time_str) != 0) { 1344 if (session->evlist->first_sample_time == 0 && 1345 session->evlist->last_sample_time == 0) { 1346 pr_err("HINT: no first/last sample time found in perf data.\n" 1347 "Please use latest perf binary to execute 'perf record'\n" 1348 "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n"); 1349 ret = -EINVAL; 1350 goto error; 1351 } 1352 1353 report.range_num = perf_time__percent_parse_str( 1354 report.ptime_range, report.range_size, 1355 report.time_str, 1356 session->evlist->first_sample_time, 1357 session->evlist->last_sample_time); 1358 1359 if (report.range_num < 0) { 1360 pr_err("Invalid time string\n"); 1361 ret = -EINVAL; 1362 goto error; 1363 } 1364 } else { 1365 report.range_num = 1; 1366 } 1367 1368 if (session->tevent.pevent && 1369 pevent_set_function_resolver(session->tevent.pevent, 1370 machine__resolve_kernel_addr, 1371 &session->machines.host) < 0) { 1372 pr_err("%s: failed to set libtraceevent function resolver\n", 1373 __func__); 1374 return -1; 1375 } 1376 1377 sort__setup_elide(stdout); 1378 1379 ret = __cmd_report(&report); 1380 if (ret == K_SWITCH_INPUT_DATA) { 1381 perf_session__delete(session); 1382 goto repeat; 1383 } else 1384 ret = 0; 1385 1386 error: 1387 zfree(&report.ptime_range); 1388 1389 perf_session__delete(session); 1390 return ret; 1391 } 1392