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1// SPDX-License-Identifier: GPL-2.02/*3 * builtin-annotate.c4 *5 * Builtin annotate command: Analyze the perf.data input file,6 * look up and read DSOs and symbol information and display7 * a histogram of results, along various sorting keys.8 */9#include "builtin.h"10 11#include "util/color.h"12#include <linux/list.h>13#include "util/cache.h"14#include <linux/rbtree.h>15#include <linux/zalloc.h>16#include "util/symbol.h"17 18#include "util/debug.h"19 20#include "util/evlist.h"21#include "util/evsel.h"22#include "util/annotate.h"23#include "util/annotate-data.h"24#include "util/event.h"25#include <subcmd/parse-options.h>26#include "util/parse-events.h"27#include "util/sort.h"28#include "util/hist.h"29#include "util/dso.h"30#include "util/machine.h"31#include "util/map.h"32#include "util/session.h"33#include "util/tool.h"34#include "util/data.h"35#include "arch/common.h"36#include "util/block-range.h"37#include "util/map_symbol.h"38#include "util/branch.h"39#include "util/util.h"40#include "ui/progress.h"41 42#include <dlfcn.h>43#include <errno.h>44#include <linux/bitmap.h>45#include <linux/err.h>46#include <inttypes.h>47 48struct perf_annotate {49 struct perf_tool tool;50 struct perf_session *session;51#ifdef HAVE_SLANG_SUPPORT52 bool use_tui;53#endif54 bool use_stdio, use_stdio2;55#ifdef HAVE_GTK2_SUPPORT56 bool use_gtk;57#endif58 bool skip_missing;59 bool has_br_stack;60 bool group_set;61 bool data_type;62 bool type_stat;63 bool insn_stat;64 float min_percent;65 const char *sym_hist_filter;66 const char *cpu_list;67 const char *target_data_type;68 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);69};70 71/*72 * Given one basic block:73 *74 * from to branch_i75 * * ----> *76 * |77 * | block78 * v79 * * ----> *80 * from to branch_i+181 *82 * where the horizontal are the branches and the vertical is the executed83 * block of instructions.84 *85 * We count, for each 'instruction', the number of blocks that covered it as86 * well as count the ratio each branch is taken.87 *88 * We can do this without knowing the actual instruction stream by keeping89 * track of the address ranges. We break down ranges such that there is no90 * overlap and iterate from the start until the end.91 *92 * @acme: once we parse the objdump output _before_ processing the samples,93 * we can easily fold the branch.cycles IPC bits in.94 */95static void process_basic_block(struct addr_map_symbol *start,96 struct addr_map_symbol *end,97 struct branch_flags *flags)98{99 struct symbol *sym = start->ms.sym;100 struct annotation *notes = sym ? symbol__annotation(sym) : NULL;101 struct block_range_iter iter;102 struct block_range *entry;103 struct annotated_branch *branch;104 105 /*106 * Sanity; NULL isn't executable and the CPU cannot execute backwards107 */108 if (!start->addr || start->addr > end->addr)109 return;110 111 iter = block_range__create(start->addr, end->addr);112 if (!block_range_iter__valid(&iter))113 return;114 115 branch = annotation__get_branch(notes);116 117 /*118 * First block in range is a branch target.119 */120 entry = block_range_iter(&iter);121 assert(entry->is_target);122 entry->entry++;123 124 do {125 entry = block_range_iter(&iter);126 127 entry->coverage++;128 entry->sym = sym;129 130 if (branch)131 branch->max_coverage = max(branch->max_coverage, entry->coverage);132 133 } while (block_range_iter__next(&iter));134 135 /*136 * Last block in rage is a branch.137 */138 entry = block_range_iter(&iter);139 assert(entry->is_branch);140 entry->taken++;141 if (flags->predicted)142 entry->pred++;143}144 145static void process_branch_stack(struct branch_stack *bs, struct addr_location *al,146 struct perf_sample *sample)147{148 struct addr_map_symbol *prev = NULL;149 struct branch_info *bi;150 int i;151 152 if (!bs || !bs->nr)153 return;154 155 bi = sample__resolve_bstack(sample, al);156 if (!bi)157 return;158 159 for (i = bs->nr - 1; i >= 0; i--) {160 /*161 * XXX filter against symbol162 */163 if (prev)164 process_basic_block(prev, &bi[i].from, &bi[i].flags);165 prev = &bi[i].to;166 }167 168 free(bi);169}170 171static int hist_iter__branch_callback(struct hist_entry_iter *iter,172 struct addr_location *al __maybe_unused,173 bool single __maybe_unused,174 void *arg __maybe_unused)175{176 struct hist_entry *he = iter->he;177 struct branch_info *bi;178 struct perf_sample *sample = iter->sample;179 struct evsel *evsel = iter->evsel;180 int err;181 182 bi = he->branch_info;183 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);184 185 if (err)186 goto out;187 188 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);189 190out:191 return err;192}193 194static int process_branch_callback(struct evsel *evsel,195 struct perf_sample *sample,196 struct addr_location *al,197 struct perf_annotate *ann,198 struct machine *machine)199{200 struct hist_entry_iter iter = {201 .evsel = evsel,202 .sample = sample,203 .add_entry_cb = hist_iter__branch_callback,204 .hide_unresolved = symbol_conf.hide_unresolved,205 .ops = &hist_iter_branch,206 };207 struct addr_location a;208 int ret;209 210 addr_location__init(&a);211 if (machine__resolve(machine, &a, sample) < 0) {212 ret = -1;213 goto out;214 }215 216 if (a.sym == NULL) {217 ret = 0;218 goto out;219 }220 221 if (a.map != NULL)222 dso__set_hit(map__dso(a.map));223 224 hist__account_cycles(sample->branch_stack, al, sample, false,225 NULL, evsel);226 227 ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann);228out:229 addr_location__exit(&a);230 return ret;231}232 233static bool has_annotation(struct perf_annotate *ann)234{235 return ui__has_annotation() || ann->use_stdio2;236}237 238static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,239 struct addr_location *al, struct perf_annotate *ann,240 struct machine *machine)241{242 struct hists *hists = evsel__hists(evsel);243 struct hist_entry *he;244 int ret;245 246 if ((!ann->has_br_stack || !has_annotation(ann)) &&247 ann->sym_hist_filter != NULL &&248 (al->sym == NULL ||249 strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {250 /* We're only interested in a symbol named sym_hist_filter */251 /*252 * FIXME: why isn't this done in the symbol_filter when loading253 * the DSO?254 */255 if (al->sym != NULL) {256 struct dso *dso = map__dso(al->map);257 258 rb_erase_cached(&al->sym->rb_node, dso__symbols(dso));259 symbol__delete(al->sym);260 dso__reset_find_symbol_cache(dso);261 }262 return 0;263 }264 265 /*266 * XXX filtered samples can still have branch entries pointing into our267 * symbol and are missed.268 */269 process_branch_stack(sample->branch_stack, al, sample);270 271 if (ann->has_br_stack && has_annotation(ann))272 return process_branch_callback(evsel, sample, al, ann, machine);273 274 he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true);275 if (he == NULL)276 return -ENOMEM;277 278 ret = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);279 hists__inc_nr_samples(hists, true);280 return ret;281}282 283static int process_sample_event(const struct perf_tool *tool,284 union perf_event *event,285 struct perf_sample *sample,286 struct evsel *evsel,287 struct machine *machine)288{289 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);290 struct addr_location al;291 int ret = 0;292 293 addr_location__init(&al);294 if (machine__resolve(machine, &al, sample) < 0) {295 pr_warning("problem processing %d event, skipping it.\n",296 event->header.type);297 ret = -1;298 goto out_put;299 }300 301 if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))302 goto out_put;303 304 if (!al.filtered &&305 evsel__add_sample(evsel, sample, &al, ann, machine)) {306 pr_warning("problem incrementing symbol count, "307 "skipping event\n");308 ret = -1;309 }310out_put:311 addr_location__exit(&al);312 return ret;313}314 315static int process_feature_event(struct perf_session *session,316 union perf_event *event)317{318 if (event->feat.feat_id < HEADER_LAST_FEATURE)319 return perf_event__process_feature(session, event);320 return 0;321}322 323static int hist_entry__tty_annotate(struct hist_entry *he,324 struct evsel *evsel,325 struct perf_annotate *ann)326{327 if (!ann->use_stdio2)328 return symbol__tty_annotate(&he->ms, evsel);329 330 return symbol__tty_annotate2(&he->ms, evsel);331}332 333static void print_annotate_data_stat(struct annotated_data_stat *s)334{335#define PRINT_STAT(fld) if (s->fld) printf("%10d : %s\n", s->fld, #fld)336 337 int bad = s->no_sym +338 s->no_insn +339 s->no_insn_ops +340 s->no_mem_ops +341 s->no_reg +342 s->no_dbginfo +343 s->no_cuinfo +344 s->no_var +345 s->no_typeinfo +346 s->invalid_size +347 s->bad_offset;348 int ok = s->total - bad;349 350 printf("Annotate data type stats:\n");351 printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n",352 s->total, ok, 100.0 * ok / (s->total ?: 1), bad, 100.0 * bad / (s->total ?: 1));353 printf("-----------------------------------------------------------\n");354 PRINT_STAT(no_sym);355 PRINT_STAT(no_insn);356 PRINT_STAT(no_insn_ops);357 PRINT_STAT(no_mem_ops);358 PRINT_STAT(no_reg);359 PRINT_STAT(no_dbginfo);360 PRINT_STAT(no_cuinfo);361 PRINT_STAT(no_var);362 PRINT_STAT(no_typeinfo);363 PRINT_STAT(invalid_size);364 PRINT_STAT(bad_offset);365 PRINT_STAT(insn_track);366 printf("\n");367 368#undef PRINT_STAT369}370 371static void print_annotate_item_stat(struct list_head *head, const char *title)372{373 struct annotated_item_stat *istat, *pos, *iter;374 int total_good, total_bad, total;375 int sum1, sum2;376 LIST_HEAD(tmp);377 378 /* sort the list by count */379 list_splice_init(head, &tmp);380 total_good = total_bad = 0;381 382 list_for_each_entry_safe(istat, pos, &tmp, list) {383 total_good += istat->good;384 total_bad += istat->bad;385 sum1 = istat->good + istat->bad;386 387 list_for_each_entry(iter, head, list) {388 sum2 = iter->good + iter->bad;389 if (sum1 > sum2)390 break;391 }392 list_move_tail(&istat->list, &iter->list);393 }394 total = total_good + total_bad;395 396 printf("Annotate %s stats\n", title);397 printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n\n", total,398 total_good, 100.0 * total_good / (total ?: 1),399 total_bad, 100.0 * total_bad / (total ?: 1));400 printf(" %-20s: %5s %5s\n", "Name/opcode", "Good", "Bad");401 printf("-----------------------------------------------------------\n");402 list_for_each_entry(istat, head, list)403 printf(" %-20s: %5d %5d\n", istat->name, istat->good, istat->bad);404 printf("\n");405}406 407static void hists__find_annotations(struct hists *hists,408 struct evsel *evsel,409 struct perf_annotate *ann)410{411 struct rb_node *nd = rb_first_cached(&hists->entries), *next;412 int key = K_RIGHT;413 414 if (ann->type_stat)415 print_annotate_data_stat(&ann_data_stat);416 if (ann->insn_stat)417 print_annotate_item_stat(&ann_insn_stat, "Instruction");418 419 while (nd) {420 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);421 struct annotation *notes;422 423 if (he->ms.sym == NULL || dso__annotate_warned(map__dso(he->ms.map)))424 goto find_next;425 426 if (ann->sym_hist_filter &&427 (strcmp(he->ms.sym->name, ann->sym_hist_filter) != 0))428 goto find_next;429 430 if (ann->min_percent) {431 float percent = 0;432 u64 total = hists__total_period(hists);433 434 if (total)435 percent = 100.0 * he->stat.period / total;436 437 if (percent < ann->min_percent)438 goto find_next;439 }440 441 notes = symbol__annotation(he->ms.sym);442 if (notes->src == NULL) {443find_next:444 if (key == K_LEFT || key == '<')445 nd = rb_prev(nd);446 else447 nd = rb_next(nd);448 continue;449 }450 451 if (ann->data_type) {452 /* skip unknown type */453 if (he->mem_type->histograms == NULL)454 goto find_next;455 456 if (ann->target_data_type) {457 const char *type_name = he->mem_type->self.type_name;458 459 /* skip 'struct ' prefix in the type name */460 if (strncmp(ann->target_data_type, "struct ", 7) &&461 !strncmp(type_name, "struct ", 7))462 type_name += 7;463 464 /* skip 'union ' prefix in the type name */465 if (strncmp(ann->target_data_type, "union ", 6) &&466 !strncmp(type_name, "union ", 6))467 type_name += 6;468 469 if (strcmp(ann->target_data_type, type_name))470 goto find_next;471 }472 473 if (use_browser == 1)474 key = hist_entry__annotate_data_tui(he, evsel, NULL);475 else476 key = hist_entry__annotate_data_tty(he, evsel);477 478 switch (key) {479 case -1:480 if (!ann->skip_missing)481 return;482 /* fall through */483 case K_RIGHT:484 case '>':485 next = rb_next(nd);486 break;487 case K_LEFT:488 case '<':489 next = rb_prev(nd);490 break;491 default:492 return;493 }494 495 if (use_browser == 0 || next != NULL)496 nd = next;497 498 continue;499 }500 501 if (use_browser == 2) {502 int ret;503 int (*annotate)(struct hist_entry *he,504 struct evsel *evsel,505 struct hist_browser_timer *hbt);506 507 annotate = dlsym(perf_gtk_handle,508 "hist_entry__gtk_annotate");509 if (annotate == NULL) {510 ui__error("GTK browser not found!\n");511 return;512 }513 514 ret = annotate(he, evsel, NULL);515 if (!ret || !ann->skip_missing)516 return;517 518 /* skip missing symbols */519 nd = rb_next(nd);520 } else if (use_browser == 1) {521 key = hist_entry__tui_annotate(he, evsel, NULL);522 523 switch (key) {524 case -1:525 if (!ann->skip_missing)526 return;527 /* fall through */528 case K_RIGHT:529 case '>':530 next = rb_next(nd);531 break;532 case K_LEFT:533 case '<':534 next = rb_prev(nd);535 break;536 default:537 return;538 }539 540 if (next != NULL)541 nd = next;542 } else {543 hist_entry__tty_annotate(he, evsel, ann);544 nd = rb_next(nd);545 }546 }547}548 549static int __cmd_annotate(struct perf_annotate *ann)550{551 int ret;552 struct perf_session *session = ann->session;553 struct evsel *pos;554 u64 total_nr_samples;555 556 if (ann->cpu_list) {557 ret = perf_session__cpu_bitmap(session, ann->cpu_list,558 ann->cpu_bitmap);559 if (ret)560 goto out;561 }562 563 if (!annotate_opts.objdump_path) {564 ret = perf_env__lookup_objdump(&session->header.env,565 &annotate_opts.objdump_path);566 if (ret)567 goto out;568 }569 570 ret = perf_session__process_events(session);571 if (ret)572 goto out;573 574 if (dump_trace) {575 perf_session__fprintf_nr_events(session, stdout);576 evlist__fprintf_nr_events(session->evlist, stdout);577 goto out;578 }579 580 if (verbose > 3)581 perf_session__fprintf(session, stdout);582 583 if (verbose > 2)584 perf_session__fprintf_dsos(session, stdout);585 586 total_nr_samples = 0;587 evlist__for_each_entry(session->evlist, pos) {588 struct hists *hists = evsel__hists(pos);589 u32 nr_samples = hists->stats.nr_samples;590 struct ui_progress prog;591 592 if (nr_samples > 0) {593 total_nr_samples += nr_samples;594 595 ui_progress__init(&prog, nr_samples,596 "Merging related events...");597 hists__collapse_resort(hists, &prog);598 ui_progress__finish();599 600 /* Don't sort callchain */601 evsel__reset_sample_bit(pos, CALLCHAIN);602 603 ui_progress__init(&prog, nr_samples,604 "Sorting events for output...");605 evsel__output_resort(pos, &prog);606 ui_progress__finish();607 608 /*609 * An event group needs to display other events too.610 * Let's delay printing until other events are processed.611 */612 if (symbol_conf.event_group) {613 if (!evsel__is_group_leader(pos)) {614 struct hists *leader_hists;615 616 leader_hists = evsel__hists(evsel__leader(pos));617 hists__match(leader_hists, hists);618 hists__link(leader_hists, hists);619 }620 continue;621 }622 623 hists__find_annotations(hists, pos, ann);624 }625 }626 627 if (total_nr_samples == 0) {628 ui__error("The %s data has no samples!\n", session->data->path);629 goto out;630 }631 632 /* Display group events together */633 evlist__for_each_entry(session->evlist, pos) {634 struct hists *hists = evsel__hists(pos);635 u32 nr_samples = hists->stats.nr_samples;636 struct ui_progress prog;637 struct evsel *evsel;638 639 if (!symbol_conf.event_group || !evsel__is_group_leader(pos))640 continue;641 642 for_each_group_member(evsel, pos)643 nr_samples += evsel__hists(evsel)->stats.nr_samples;644 645 if (nr_samples == 0)646 continue;647 648 ui_progress__init(&prog, nr_samples,649 "Sorting group events for output...");650 evsel__output_resort(pos, &prog);651 ui_progress__finish();652 653 hists__find_annotations(hists, pos, ann);654 }655 656 if (use_browser == 2) {657 void (*show_annotations)(void);658 659 show_annotations = dlsym(perf_gtk_handle,660 "perf_gtk__show_annotations");661 if (show_annotations == NULL) {662 ui__error("GTK browser not found!\n");663 goto out;664 }665 show_annotations();666 }667 668out:669 return ret;670}671 672static int parse_percent_limit(const struct option *opt, const char *str,673 int unset __maybe_unused)674{675 struct perf_annotate *ann = opt->value;676 double pcnt = strtof(str, NULL);677 678 ann->min_percent = pcnt;679 return 0;680}681 682static int parse_data_type(const struct option *opt, const char *str, int unset)683{684 struct perf_annotate *ann = opt->value;685 686 ann->data_type = !unset;687 if (str)688 ann->target_data_type = strdup(str);689 690 return 0;691}692 693static const char * const annotate_usage[] = {694 "perf annotate [<options>]",695 NULL696};697 698int cmd_annotate(int argc, const char **argv)699{700 struct perf_annotate annotate = {};701 struct perf_data data = {702 .mode = PERF_DATA_MODE_READ,703 };704 struct itrace_synth_opts itrace_synth_opts = {705 .set = 0,706 };707 const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;708 struct option options[] = {709 OPT_STRING('i', "input", &input_name, "file",710 "input file name"),711 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",712 "only consider symbols in these dsos"),713 OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",714 "symbol to annotate"),715 OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),716 OPT_INCR('v', "verbose", &verbose,717 "be more verbose (show symbol address, etc)"),718 OPT_BOOLEAN('q', "quiet", &quiet, "do now show any warnings or messages"),719 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,720 "dump raw trace in ASCII"),721#ifdef HAVE_GTK2_SUPPORT722 OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),723#endif724#ifdef HAVE_SLANG_SUPPORT725 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),726#endif727 OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),728 OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"),729 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,730 "don't load vmlinux even if found"),731 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,732 "file", "vmlinux pathname"),733 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,734 "load module symbols - WARNING: use only with -k and LIVE kernel"),735 OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines,736 "print matching source lines (may be slow)"),737 OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path,738 "Don't shorten the displayed pathnames"),739 OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,740 "Skip symbols that cannot be annotated"),741 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group,742 &annotate.group_set,743 "Show event group information together"),744 OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),745 OPT_CALLBACK(0, "symfs", NULL, "directory",746 "Look for files with symbols relative to this directory",747 symbol__config_symfs),748 OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,749 "Interleave source code with assembly code (default)"),750 OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw,751 "Display raw encoding of assembly instructions (default)"),752 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",753 "Specify disassembler style (e.g. -M intel for intel syntax)"),754 OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",755 "Add prefix to source file path names in programs (with --prefix-strip)"),756 OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",757 "Strip first N entries of source file path name in programs (with --prefix)"),758 OPT_STRING(0, "objdump", &objdump_path, "path",759 "objdump binary to use for disassembly and annotations"),760 OPT_STRING(0, "addr2line", &addr2line_path, "path",761 "addr2line binary to use for line numbers"),762 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,763 "Enable symbol demangling"),764 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,765 "Enable kernel symbol demangling"),766 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,767 "Show a column with the sum of periods"),768 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,769 "Show a column with the number of samples"),770 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",771 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",772 stdio__config_color, "always"),773 OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period",774 "Set percent type local/global-period/hits",775 annotate_parse_percent_type),776 OPT_CALLBACK(0, "percent-limit", &annotate, "percent",777 "Don't show entries under that percent", parse_percent_limit),778 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",779 "Instruction Tracing options\n" ITRACE_HELP,780 itrace_parse_synth_opts),781 OPT_CALLBACK_OPTARG(0, "data-type", &annotate, NULL, "name",782 "Show data type annotate for the memory accesses",783 parse_data_type),784 OPT_BOOLEAN(0, "type-stat", &annotate.type_stat,785 "Show stats for the data type annotation"),786 OPT_BOOLEAN(0, "insn-stat", &annotate.insn_stat,787 "Show instruction stats for the data type annotation"),788 OPT_BOOLEAN(0, "skip-empty", &symbol_conf.skip_empty,789 "Do not display empty (or dummy) events in the output"),790 OPT_END()791 };792 int ret;793 794 set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE);795 set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE);796 797 annotation_options__init();798 799 ret = hists__init();800 if (ret < 0)801 return ret;802 803 annotation_config__init();804 805 argc = parse_options(argc, argv, options, annotate_usage, 0);806 if (argc) {807 /*808 * Special case: if there's an argument left then assume that809 * it's a symbol filter:810 */811 if (argc > 1)812 usage_with_options(annotate_usage, options);813 814 annotate.sym_hist_filter = argv[0];815 }816 817 if (disassembler_style) {818 annotate_opts.disassembler_style = strdup(disassembler_style);819 if (!annotate_opts.disassembler_style)820 return -ENOMEM;821 }822 if (objdump_path) {823 annotate_opts.objdump_path = strdup(objdump_path);824 if (!annotate_opts.objdump_path)825 return -ENOMEM;826 }827 if (addr2line_path) {828 symbol_conf.addr2line_path = strdup(addr2line_path);829 if (!symbol_conf.addr2line_path)830 return -ENOMEM;831 }832 833 if (annotate_check_args() < 0)834 return -EINVAL;835 836#ifdef HAVE_GTK2_SUPPORT837 if (symbol_conf.show_nr_samples && annotate.use_gtk) {838 pr_err("--show-nr-samples is not available in --gtk mode at this time\n");839 return ret;840 }841#endif842 843#ifndef HAVE_DWARF_GETLOCATIONS_SUPPORT844 if (annotate.data_type) {845 pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");846 return -ENOTSUP;847 }848#endif849 850 ret = symbol__validate_sym_arguments();851 if (ret)852 return ret;853 854 if (quiet)855 perf_quiet_option();856 857 data.path = input_name;858 859 perf_tool__init(&annotate.tool, /*ordered_events=*/true);860 annotate.tool.sample = process_sample_event;861 annotate.tool.mmap = perf_event__process_mmap;862 annotate.tool.mmap2 = perf_event__process_mmap2;863 annotate.tool.comm = perf_event__process_comm;864 annotate.tool.exit = perf_event__process_exit;865 annotate.tool.fork = perf_event__process_fork;866 annotate.tool.namespaces = perf_event__process_namespaces;867 annotate.tool.attr = perf_event__process_attr;868 annotate.tool.build_id = perf_event__process_build_id;869#ifdef HAVE_LIBTRACEEVENT870 annotate.tool.tracing_data = perf_event__process_tracing_data;871#endif872 annotate.tool.id_index = perf_event__process_id_index;873 annotate.tool.auxtrace_info = perf_event__process_auxtrace_info;874 annotate.tool.auxtrace = perf_event__process_auxtrace;875 annotate.tool.feature = process_feature_event;876 annotate.tool.ordering_requires_timestamps = true;877 878 annotate.session = perf_session__new(&data, &annotate.tool);879 if (IS_ERR(annotate.session))880 return PTR_ERR(annotate.session);881 882 annotate.session->itrace_synth_opts = &itrace_synth_opts;883 884 annotate.has_br_stack = perf_header__has_feat(&annotate.session->header,885 HEADER_BRANCH_STACK);886 887 if (annotate.group_set)888 evlist__force_leader(annotate.session->evlist);889 890 ret = symbol__annotation_init();891 if (ret < 0)892 goto out_delete;893 894 symbol_conf.try_vmlinux_path = true;895 896 ret = symbol__init(&annotate.session->header.env);897 if (ret < 0)898 goto out_delete;899 900 if (annotate.use_stdio || annotate.use_stdio2)901 use_browser = 0;902#ifdef HAVE_SLANG_SUPPORT903 else if (annotate.use_tui)904 use_browser = 1;905#endif906#ifdef HAVE_GTK2_SUPPORT907 else if (annotate.use_gtk)908 use_browser = 2;909#endif910 911 if (annotate.data_type) {912 annotate_opts.annotate_src = false;913 symbol_conf.annotate_data_member = true;914 symbol_conf.annotate_data_sample = true;915 }916 917 setup_browser(true);918 919 /*920 * Events of different processes may correspond to the same921 * symbol, we do not care about the processes in annotate,922 * set sort order to avoid repeated output.923 */924 if (annotate.data_type)925 sort_order = "dso,type";926 else927 sort_order = "dso,symbol";928 929 /*930 * Set SORT_MODE__BRANCH so that annotate displays IPC/Cycle and931 * branch counters, if the corresponding branch info is available932 * in the perf data in the TUI mode.933 */934 if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack) {935 sort__mode = SORT_MODE__BRANCH;936 if (annotate.session->evlist->nr_br_cntr > 0)937 annotate_opts.show_br_cntr = true;938 }939 940 if (setup_sorting(NULL) < 0)941 usage_with_options(annotate_usage, options);942 943 ret = __cmd_annotate(&annotate);944 945out_delete:946 /*947 * Speed up the exit process by only deleting for debug builds. For948 * large files this can save time.949 */950#ifndef NDEBUG951 perf_session__delete(annotate.session);952#endif953 annotation_options__exit();954 955 return ret;956}957