1 // SPDX-License-Identifier: GPL-2.0
5 * Builtin annotate 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.
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"
18 #include "util/debug.h"
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"
30 #include "util/machine.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"
43 #include <linux/bitmap.h>
44 #include <linux/err.h>
46 struct perf_annotate {
47 struct perf_tool tool;
48 struct perf_session *session;
49 #ifdef HAVE_SLANG_SUPPORT
52 bool use_stdio, use_stdio2;
53 #ifdef HAVE_GTK2_SUPPORT
63 const char *sym_hist_filter;
65 const char *target_data_type;
66 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
70 * Given one basic block:
80 * where the horizontal are the branches and the vertical is the executed
81 * block of instructions.
83 * We count, for each 'instruction', the number of blocks that covered it as
84 * well as count the ratio each branch is taken.
86 * We can do this without knowing the actual instruction stream by keeping
87 * track of the address ranges. We break down ranges such that there is no
88 * overlap and iterate from the start until the end.
90 * @acme: once we parse the objdump output _before_ processing the samples,
91 * we can easily fold the branch.cycles IPC bits in.
93 static void process_basic_block(struct addr_map_symbol *start,
94 struct addr_map_symbol *end,
95 struct branch_flags *flags)
97 struct symbol *sym = start->ms.sym;
98 struct annotation *notes = sym ? symbol__annotation(sym) : NULL;
99 struct block_range_iter iter;
100 struct block_range *entry;
101 struct annotated_branch *branch;
104 * Sanity; NULL isn't executable and the CPU cannot execute backwards
106 if (!start->addr || start->addr > end->addr)
109 iter = block_range__create(start->addr, end->addr);
110 if (!block_range_iter__valid(&iter))
113 branch = annotation__get_branch(notes);
116 * First block in range is a branch target.
118 entry = block_range_iter(&iter);
119 assert(entry->is_target);
123 entry = block_range_iter(&iter);
129 branch->max_coverage = max(branch->max_coverage, entry->coverage);
131 } while (block_range_iter__next(&iter));
134 * Last block in rage is a branch.
136 entry = block_range_iter(&iter);
137 assert(entry->is_branch);
139 if (flags->predicted)
143 static void process_branch_stack(struct branch_stack *bs, struct addr_location *al,
144 struct perf_sample *sample)
146 struct addr_map_symbol *prev = NULL;
147 struct branch_info *bi;
153 bi = sample__resolve_bstack(sample, al);
157 for (i = bs->nr - 1; i >= 0; i--) {
159 * XXX filter against symbol
162 process_basic_block(prev, &bi[i].from, &bi[i].flags);
169 static int hist_iter__branch_callback(struct hist_entry_iter *iter,
170 struct addr_location *al __maybe_unused,
171 bool single __maybe_unused,
172 void *arg __maybe_unused)
174 struct hist_entry *he = iter->he;
175 struct branch_info *bi;
176 struct perf_sample *sample = iter->sample;
177 struct evsel *evsel = iter->evsel;
180 bi = he->branch_info;
181 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
186 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
192 static int process_branch_callback(struct evsel *evsel,
193 struct perf_sample *sample,
194 struct addr_location *al,
195 struct perf_annotate *ann,
196 struct machine *machine)
198 struct hist_entry_iter iter = {
201 .add_entry_cb = hist_iter__branch_callback,
202 .hide_unresolved = symbol_conf.hide_unresolved,
203 .ops = &hist_iter_branch,
205 struct addr_location a;
208 addr_location__init(&a);
209 if (machine__resolve(machine, &a, sample) < 0) {
220 map__dso(a.map)->hit = 1;
222 hist__account_cycles(sample->branch_stack, al, sample, false, NULL);
224 ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann);
226 addr_location__exit(&a);
230 static bool has_annotation(struct perf_annotate *ann)
232 return ui__has_annotation() || ann->use_stdio2;
235 static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
236 struct addr_location *al, struct perf_annotate *ann,
237 struct machine *machine)
239 struct hists *hists = evsel__hists(evsel);
240 struct hist_entry *he;
243 if ((!ann->has_br_stack || !has_annotation(ann)) &&
244 ann->sym_hist_filter != NULL &&
246 strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
247 /* We're only interested in a symbol named sym_hist_filter */
249 * FIXME: why isn't this done in the symbol_filter when loading
252 if (al->sym != NULL) {
253 struct dso *dso = map__dso(al->map);
255 rb_erase_cached(&al->sym->rb_node, &dso->symbols);
256 symbol__delete(al->sym);
257 dso__reset_find_symbol_cache(dso);
263 * XXX filtered samples can still have branch entries pointing into our
264 * symbol and are missed.
266 process_branch_stack(sample->branch_stack, al, sample);
268 if (ann->has_br_stack && has_annotation(ann))
269 return process_branch_callback(evsel, sample, al, ann, machine);
271 he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true);
275 ret = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
276 hists__inc_nr_samples(hists, true);
280 static int process_sample_event(struct perf_tool *tool,
281 union perf_event *event,
282 struct perf_sample *sample,
284 struct machine *machine)
286 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);
287 struct addr_location al;
290 addr_location__init(&al);
291 if (machine__resolve(machine, &al, sample) < 0) {
292 pr_warning("problem processing %d event, skipping it.\n",
298 if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
302 evsel__add_sample(evsel, sample, &al, ann, machine)) {
303 pr_warning("problem incrementing symbol count, "
308 addr_location__exit(&al);
312 static int process_feature_event(struct perf_session *session,
313 union perf_event *event)
315 if (event->feat.feat_id < HEADER_LAST_FEATURE)
316 return perf_event__process_feature(session, event);
320 static int hist_entry__tty_annotate(struct hist_entry *he,
322 struct perf_annotate *ann)
324 if (!ann->use_stdio2)
325 return symbol__tty_annotate(&he->ms, evsel);
327 return symbol__tty_annotate2(&he->ms, evsel);
330 static void print_annotated_data_header(struct hist_entry *he, struct evsel *evsel)
332 struct dso *dso = map__dso(he->ms.map);
334 int nr_samples = he->stat.nr_events;
336 if (evsel__is_group_event(evsel)) {
337 struct hist_entry *pair;
339 list_for_each_entry(pair, &he->pairs.head, pairs.node)
340 nr_samples += pair->stat.nr_events;
343 printf("Annotate type: '%s' in %s (%d samples):\n",
344 he->mem_type->self.type_name, dso->name, nr_samples);
346 if (evsel__is_group_event(evsel)) {
350 for_each_group_evsel(pos, evsel)
351 printf(" event[%d] = %s\n", i++, pos->name);
353 nr_members = evsel->core.nr_members;
356 printf("============================================================================\n");
357 printf("%*s %10s %10s %s\n", 11 * nr_members, "samples", "offset", "size", "field");
360 static void print_annotated_data_type(struct annotated_data_type *mem_type,
361 struct annotated_member *member,
362 struct evsel *evsel, int indent)
364 struct annotated_member *child;
365 struct type_hist *h = mem_type->histograms[evsel->core.idx];
366 int i, nr_events = 1, samples = 0;
368 for (i = 0; i < member->size; i++)
369 samples += h->addr[member->offset + i].nr_samples;
370 printf(" %10d", samples);
372 if (evsel__is_group_event(evsel)) {
375 for_each_group_member(pos, evsel) {
376 h = mem_type->histograms[pos->core.idx];
379 for (i = 0; i < member->size; i++)
380 samples += h->addr[member->offset + i].nr_samples;
381 printf(" %10d", samples);
383 nr_events = evsel->core.nr_members;
386 printf(" %10d %10d %*s%s\t%s",
387 member->offset, member->size, indent, "", member->type_name,
388 member->var_name ?: "");
390 if (!list_empty(&member->children))
393 list_for_each_entry(child, &member->children, node)
394 print_annotated_data_type(mem_type, child, evsel, indent + 4);
396 if (!list_empty(&member->children))
397 printf("%*s}", 11 * nr_events + 24 + indent, "");
401 static void print_annotate_data_stat(struct annotated_data_stat *s)
403 #define PRINT_STAT(fld) if (s->fld) printf("%10d : %s\n", s->fld, #fld)
405 int bad = s->no_sym +
416 int ok = s->total - bad;
418 printf("Annotate data type stats:\n");
419 printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n",
420 s->total, ok, 100.0 * ok / (s->total ?: 1), bad, 100.0 * bad / (s->total ?: 1));
421 printf("-----------------------------------------------------------\n");
424 PRINT_STAT(no_insn_ops);
425 PRINT_STAT(no_mem_ops);
427 PRINT_STAT(no_dbginfo);
428 PRINT_STAT(no_cuinfo);
430 PRINT_STAT(no_typeinfo);
431 PRINT_STAT(invalid_size);
432 PRINT_STAT(bad_offset);
438 static void print_annotate_item_stat(struct list_head *head, const char *title)
440 struct annotated_item_stat *istat, *pos, *iter;
441 int total_good, total_bad, total;
445 /* sort the list by count */
446 list_splice_init(head, &tmp);
447 total_good = total_bad = 0;
449 list_for_each_entry_safe(istat, pos, &tmp, list) {
450 total_good += istat->good;
451 total_bad += istat->bad;
452 sum1 = istat->good + istat->bad;
454 list_for_each_entry(iter, head, list) {
455 sum2 = iter->good + iter->bad;
459 list_move_tail(&istat->list, &iter->list);
461 total = total_good + total_bad;
463 printf("Annotate %s stats\n", title);
464 printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n\n", total,
465 total_good, 100.0 * total_good / (total ?: 1),
466 total_bad, 100.0 * total_bad / (total ?: 1));
467 printf(" %-10s: %5s %5s\n", "Name", "Good", "Bad");
468 printf("-----------------------------------------------------------\n");
469 list_for_each_entry(istat, head, list)
470 printf(" %-10s: %5d %5d\n", istat->name, istat->good, istat->bad);
474 static void hists__find_annotations(struct hists *hists,
476 struct perf_annotate *ann)
478 struct rb_node *nd = rb_first_cached(&hists->entries), *next;
482 print_annotate_data_stat(&ann_data_stat);
484 print_annotate_item_stat(&ann_insn_stat, "Instruction");
487 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
488 struct annotation *notes;
490 if (he->ms.sym == NULL || map__dso(he->ms.map)->annotate_warned)
493 if (ann->sym_hist_filter &&
494 (strcmp(he->ms.sym->name, ann->sym_hist_filter) != 0))
497 if (ann->min_percent) {
499 u64 total = hists__total_period(hists);
502 percent = 100.0 * he->stat.period / total;
504 if (percent < ann->min_percent)
508 notes = symbol__annotation(he->ms.sym);
509 if (notes->src == NULL) {
511 if (key == K_LEFT || key == '<')
518 if (ann->data_type) {
519 /* skip unknown type */
520 if (he->mem_type->histograms == NULL)
523 if (ann->target_data_type) {
524 const char *type_name = he->mem_type->self.type_name;
526 /* skip 'struct ' prefix in the type name */
527 if (strncmp(ann->target_data_type, "struct ", 7) &&
528 !strncmp(type_name, "struct ", 7))
531 /* skip 'union ' prefix in the type name */
532 if (strncmp(ann->target_data_type, "union ", 6) &&
533 !strncmp(type_name, "union ", 6))
536 if (strcmp(ann->target_data_type, type_name))
540 print_annotated_data_header(he, evsel);
541 print_annotated_data_type(he->mem_type, &he->mem_type->self, evsel, 0);
546 if (use_browser == 2) {
548 int (*annotate)(struct hist_entry *he,
550 struct hist_browser_timer *hbt);
552 annotate = dlsym(perf_gtk_handle,
553 "hist_entry__gtk_annotate");
554 if (annotate == NULL) {
555 ui__error("GTK browser not found!\n");
559 ret = annotate(he, evsel, NULL);
560 if (!ret || !ann->skip_missing)
563 /* skip missing symbols */
565 } else if (use_browser == 1) {
566 key = hist_entry__tui_annotate(he, evsel, NULL);
570 if (!ann->skip_missing)
588 hist_entry__tty_annotate(he, evsel, ann);
594 static int __cmd_annotate(struct perf_annotate *ann)
597 struct perf_session *session = ann->session;
599 u64 total_nr_samples;
602 ret = perf_session__cpu_bitmap(session, ann->cpu_list,
608 if (!annotate_opts.objdump_path) {
609 ret = perf_env__lookup_objdump(&session->header.env,
610 &annotate_opts.objdump_path);
615 ret = perf_session__process_events(session);
620 perf_session__fprintf_nr_events(session, stdout, false);
621 evlist__fprintf_nr_events(session->evlist, stdout, false);
626 perf_session__fprintf(session, stdout);
629 perf_session__fprintf_dsos(session, stdout);
631 total_nr_samples = 0;
632 evlist__for_each_entry(session->evlist, pos) {
633 struct hists *hists = evsel__hists(pos);
634 u32 nr_samples = hists->stats.nr_samples;
636 if (nr_samples > 0) {
637 total_nr_samples += nr_samples;
638 hists__collapse_resort(hists, NULL);
639 /* Don't sort callchain */
640 evsel__reset_sample_bit(pos, CALLCHAIN);
641 evsel__output_resort(pos, NULL);
644 * An event group needs to display other events too.
645 * Let's delay printing until other events are processed.
647 if (symbol_conf.event_group) {
648 if (!evsel__is_group_leader(pos)) {
649 struct hists *leader_hists;
651 leader_hists = evsel__hists(evsel__leader(pos));
652 hists__match(leader_hists, hists);
653 hists__link(leader_hists, hists);
658 hists__find_annotations(hists, pos, ann);
662 if (total_nr_samples == 0) {
663 ui__error("The %s data has no samples!\n", session->data->path);
667 /* Display group events together */
668 evlist__for_each_entry(session->evlist, pos) {
669 struct hists *hists = evsel__hists(pos);
670 u32 nr_samples = hists->stats.nr_samples;
675 if (!symbol_conf.event_group || !evsel__is_group_leader(pos))
678 hists__find_annotations(hists, pos, ann);
681 if (use_browser == 2) {
682 void (*show_annotations)(void);
684 show_annotations = dlsym(perf_gtk_handle,
685 "perf_gtk__show_annotations");
686 if (show_annotations == NULL) {
687 ui__error("GTK browser not found!\n");
697 static int parse_percent_limit(const struct option *opt, const char *str,
698 int unset __maybe_unused)
700 struct perf_annotate *ann = opt->value;
701 double pcnt = strtof(str, NULL);
703 ann->min_percent = pcnt;
707 static int parse_data_type(const struct option *opt, const char *str, int unset)
709 struct perf_annotate *ann = opt->value;
711 ann->data_type = !unset;
713 ann->target_data_type = strdup(str);
718 static const char * const annotate_usage[] = {
719 "perf annotate [<options>]",
723 int cmd_annotate(int argc, const char **argv)
725 struct perf_annotate annotate = {
727 .sample = process_sample_event,
728 .mmap = perf_event__process_mmap,
729 .mmap2 = perf_event__process_mmap2,
730 .comm = perf_event__process_comm,
731 .exit = perf_event__process_exit,
732 .fork = perf_event__process_fork,
733 .namespaces = perf_event__process_namespaces,
734 .attr = perf_event__process_attr,
735 .build_id = perf_event__process_build_id,
736 #ifdef HAVE_LIBTRACEEVENT
737 .tracing_data = perf_event__process_tracing_data,
739 .id_index = perf_event__process_id_index,
740 .auxtrace_info = perf_event__process_auxtrace_info,
741 .auxtrace = perf_event__process_auxtrace,
742 .feature = process_feature_event,
743 .ordered_events = true,
744 .ordering_requires_timestamps = true,
747 struct perf_data data = {
748 .mode = PERF_DATA_MODE_READ,
750 struct itrace_synth_opts itrace_synth_opts = {
753 const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
754 struct option options[] = {
755 OPT_STRING('i', "input", &input_name, "file",
757 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
758 "only consider symbols in these dsos"),
759 OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
760 "symbol to annotate"),
761 OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
762 OPT_INCR('v', "verbose", &verbose,
763 "be more verbose (show symbol address, etc)"),
764 OPT_BOOLEAN('q', "quiet", &quiet, "do now show any warnings or messages"),
765 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
766 "dump raw trace in ASCII"),
767 #ifdef HAVE_GTK2_SUPPORT
768 OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
770 #ifdef HAVE_SLANG_SUPPORT
771 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
773 OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
774 OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"),
775 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
776 "don't load vmlinux even if found"),
777 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
778 "file", "vmlinux pathname"),
779 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
780 "load module symbols - WARNING: use only with -k and LIVE kernel"),
781 OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines,
782 "print matching source lines (may be slow)"),
783 OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path,
784 "Don't shorten the displayed pathnames"),
785 OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
786 "Skip symbols that cannot be annotated"),
787 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group,
789 "Show event group information together"),
790 OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
791 OPT_CALLBACK(0, "symfs", NULL, "directory",
792 "Look for files with symbols relative to this directory",
793 symbol__config_symfs),
794 OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
795 "Interleave source code with assembly code (default)"),
796 OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw,
797 "Display raw encoding of assembly instructions (default)"),
798 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
799 "Specify disassembler style (e.g. -M intel for intel syntax)"),
800 OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",
801 "Add prefix to source file path names in programs (with --prefix-strip)"),
802 OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",
803 "Strip first N entries of source file path name in programs (with --prefix)"),
804 OPT_STRING(0, "objdump", &objdump_path, "path",
805 "objdump binary to use for disassembly and annotations"),
806 OPT_STRING(0, "addr2line", &addr2line_path, "path",
807 "addr2line binary to use for line numbers"),
808 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
809 "Enable symbol demangling"),
810 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
811 "Enable kernel symbol demangling"),
812 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
813 "Show event group information together"),
814 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
815 "Show a column with the sum of periods"),
816 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
817 "Show a column with the number of samples"),
818 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
819 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
820 stdio__config_color, "always"),
821 OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period",
822 "Set percent type local/global-period/hits",
823 annotate_parse_percent_type),
824 OPT_CALLBACK(0, "percent-limit", &annotate, "percent",
825 "Don't show entries under that percent", parse_percent_limit),
826 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
827 "Instruction Tracing options\n" ITRACE_HELP,
828 itrace_parse_synth_opts),
829 OPT_CALLBACK_OPTARG(0, "data-type", &annotate, NULL, "name",
830 "Show data type annotate for the memory accesses",
832 OPT_BOOLEAN(0, "type-stat", &annotate.type_stat,
833 "Show stats for the data type annotation"),
834 OPT_BOOLEAN(0, "insn-stat", &annotate.insn_stat,
835 "Show instruction stats for the data type annotation"),
840 set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE);
841 set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE);
843 annotation_options__init();
849 annotation_config__init();
851 argc = parse_options(argc, argv, options, annotate_usage, 0);
854 * Special case: if there's an argument left then assume that
855 * it's a symbol filter:
858 usage_with_options(annotate_usage, options);
860 annotate.sym_hist_filter = argv[0];
863 if (disassembler_style) {
864 annotate_opts.disassembler_style = strdup(disassembler_style);
865 if (!annotate_opts.disassembler_style)
869 annotate_opts.objdump_path = strdup(objdump_path);
870 if (!annotate_opts.objdump_path)
873 if (addr2line_path) {
874 symbol_conf.addr2line_path = strdup(addr2line_path);
875 if (!symbol_conf.addr2line_path)
879 if (annotate_check_args() < 0)
882 #ifdef HAVE_GTK2_SUPPORT
883 if (symbol_conf.show_nr_samples && annotate.use_gtk) {
884 pr_err("--show-nr-samples is not available in --gtk mode at this time\n");
889 #ifndef HAVE_DWARF_GETLOCATIONS_SUPPORT
890 if (annotate.data_type) {
891 pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
896 ret = symbol__validate_sym_arguments();
903 data.path = input_name;
905 annotate.session = perf_session__new(&data, &annotate.tool);
906 if (IS_ERR(annotate.session))
907 return PTR_ERR(annotate.session);
909 annotate.session->itrace_synth_opts = &itrace_synth_opts;
911 annotate.has_br_stack = perf_header__has_feat(&annotate.session->header,
912 HEADER_BRANCH_STACK);
914 if (annotate.group_set)
915 evlist__force_leader(annotate.session->evlist);
917 ret = symbol__annotation_init();
921 symbol_conf.try_vmlinux_path = true;
923 ret = symbol__init(&annotate.session->header.env);
927 if (annotate.use_stdio || annotate.use_stdio2)
929 #ifdef HAVE_SLANG_SUPPORT
930 else if (annotate.use_tui)
933 #ifdef HAVE_GTK2_SUPPORT
934 else if (annotate.use_gtk)
938 /* FIXME: only support stdio for now */
939 if (annotate.data_type) {
941 annotate_opts.annotate_src = false;
942 symbol_conf.annotate_data_member = true;
943 symbol_conf.annotate_data_sample = true;
949 * Events of different processes may correspond to the same
950 * symbol, we do not care about the processes in annotate,
951 * set sort order to avoid repeated output.
953 if (annotate.data_type)
954 sort_order = "dso,type";
956 sort_order = "dso,symbol";
959 * Set SORT_MODE__BRANCH so that annotate display IPC/Cycle
960 * if branch info is in perf data in TUI mode.
962 if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack)
963 sort__mode = SORT_MODE__BRANCH;
965 if (setup_sorting(NULL) < 0)
966 usage_with_options(annotate_usage, options);
968 ret = __cmd_annotate(&annotate);
972 * Speed up the exit process by only deleting for debug builds. For
973 * large files this can save time.
976 perf_session__delete(annotate.session);
978 annotation_options__exit();