1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * builtin-annotate.c
4 *
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.
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/event.h"
24 #include <subcmd/parse-options.h>
25 #include "util/parse-events.h"
26 #include "util/sort.h"
27 #include "util/hist.h"
28 #include "util/dso.h"
29 #include "util/machine.h"
30 #include "util/map.h"
31 #include "util/session.h"
32 #include "util/tool.h"
33 #include "util/data.h"
34 #include "arch/common.h"
35 #include "util/block-range.h"
36 #include "util/map_symbol.h"
37 #include "util/branch.h"
38 #include "util/util.h"
39
40 #include <dlfcn.h>
41 #include <errno.h>
42 #include <linux/bitmap.h>
43 #include <linux/err.h>
44
45 struct perf_annotate {
46 struct perf_tool tool;
47 struct perf_session *session;
48 #ifdef HAVE_SLANG_SUPPORT
49 bool use_tui;
50 #endif
51 bool use_stdio, use_stdio2;
52 #ifdef HAVE_GTK2_SUPPORT
53 bool use_gtk;
54 #endif
55 bool skip_missing;
56 bool has_br_stack;
57 bool group_set;
58 float min_percent;
59 const char *sym_hist_filter;
60 const char *cpu_list;
61 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
62 };
63
64 /*
65 * Given one basic block:
66 *
67 * from to branch_i
68 * * ----> *
69 * |
70 * | block
71 * v
72 * * ----> *
73 * from to branch_i+1
74 *
75 * where the horizontal are the branches and the vertical is the executed
76 * block of instructions.
77 *
78 * We count, for each 'instruction', the number of blocks that covered it as
79 * well as count the ratio each branch is taken.
80 *
81 * We can do this without knowing the actual instruction stream by keeping
82 * track of the address ranges. We break down ranges such that there is no
83 * overlap and iterate from the start until the end.
84 *
85 * @acme: once we parse the objdump output _before_ processing the samples,
86 * we can easily fold the branch.cycles IPC bits in.
87 */
process_basic_block(struct addr_map_symbol * start,struct addr_map_symbol * end,struct branch_flags * flags)88 static void process_basic_block(struct addr_map_symbol *start,
89 struct addr_map_symbol *end,
90 struct branch_flags *flags)
91 {
92 struct symbol *sym = start->ms.sym;
93 struct annotation *notes = sym ? symbol__annotation(sym) : NULL;
94 struct block_range_iter iter;
95 struct block_range *entry;
96
97 /*
98 * Sanity; NULL isn't executable and the CPU cannot execute backwards
99 */
100 if (!start->addr || start->addr > end->addr)
101 return;
102
103 iter = block_range__create(start->addr, end->addr);
104 if (!block_range_iter__valid(&iter))
105 return;
106
107 /*
108 * First block in range is a branch target.
109 */
110 entry = block_range_iter(&iter);
111 assert(entry->is_target);
112 entry->entry++;
113
114 do {
115 entry = block_range_iter(&iter);
116
117 entry->coverage++;
118 entry->sym = sym;
119
120 if (notes)
121 notes->max_coverage = max(notes->max_coverage, entry->coverage);
122
123 } while (block_range_iter__next(&iter));
124
125 /*
126 * Last block in rage is a branch.
127 */
128 entry = block_range_iter(&iter);
129 assert(entry->is_branch);
130 entry->taken++;
131 if (flags->predicted)
132 entry->pred++;
133 }
134
process_branch_stack(struct branch_stack * bs,struct addr_location * al,struct perf_sample * sample)135 static void process_branch_stack(struct branch_stack *bs, struct addr_location *al,
136 struct perf_sample *sample)
137 {
138 struct addr_map_symbol *prev = NULL;
139 struct branch_info *bi;
140 int i;
141
142 if (!bs || !bs->nr)
143 return;
144
145 bi = sample__resolve_bstack(sample, al);
146 if (!bi)
147 return;
148
149 for (i = bs->nr - 1; i >= 0; i--) {
150 /*
151 * XXX filter against symbol
152 */
153 if (prev)
154 process_basic_block(prev, &bi[i].from, &bi[i].flags);
155 prev = &bi[i].to;
156 }
157
158 free(bi);
159 }
160
hist_iter__branch_callback(struct hist_entry_iter * iter,struct addr_location * al __maybe_unused,bool single __maybe_unused,void * arg __maybe_unused)161 static int hist_iter__branch_callback(struct hist_entry_iter *iter,
162 struct addr_location *al __maybe_unused,
163 bool single __maybe_unused,
164 void *arg __maybe_unused)
165 {
166 struct hist_entry *he = iter->he;
167 struct branch_info *bi;
168 struct perf_sample *sample = iter->sample;
169 struct evsel *evsel = iter->evsel;
170 int err;
171
172 bi = he->branch_info;
173 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
174
175 if (err)
176 goto out;
177
178 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
179
180 out:
181 return err;
182 }
183
process_branch_callback(struct evsel * evsel,struct perf_sample * sample,struct addr_location * al,struct perf_annotate * ann,struct machine * machine)184 static int process_branch_callback(struct evsel *evsel,
185 struct perf_sample *sample,
186 struct addr_location *al,
187 struct perf_annotate *ann,
188 struct machine *machine)
189 {
190 struct hist_entry_iter iter = {
191 .evsel = evsel,
192 .sample = sample,
193 .add_entry_cb = hist_iter__branch_callback,
194 .hide_unresolved = symbol_conf.hide_unresolved,
195 .ops = &hist_iter_branch,
196 };
197 struct addr_location a;
198 int ret;
199
200 addr_location__init(&a);
201 if (machine__resolve(machine, &a, sample) < 0) {
202 ret = -1;
203 goto out;
204 }
205
206 if (a.sym == NULL) {
207 ret = 0;
208 goto out;
209 }
210
211 if (a.map != NULL)
212 map__dso(a.map)->hit = 1;
213
214 hist__account_cycles(sample->branch_stack, al, sample, false, NULL);
215
216 ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann);
217 out:
218 addr_location__exit(&a);
219 return ret;
220 }
221
has_annotation(struct perf_annotate * ann)222 static bool has_annotation(struct perf_annotate *ann)
223 {
224 return ui__has_annotation() || ann->use_stdio2;
225 }
226
evsel__add_sample(struct evsel * evsel,struct perf_sample * sample,struct addr_location * al,struct perf_annotate * ann,struct machine * machine)227 static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
228 struct addr_location *al, struct perf_annotate *ann,
229 struct machine *machine)
230 {
231 struct hists *hists = evsel__hists(evsel);
232 struct hist_entry *he;
233 int ret;
234
235 if ((!ann->has_br_stack || !has_annotation(ann)) &&
236 ann->sym_hist_filter != NULL &&
237 (al->sym == NULL ||
238 strcmp(ann->sym_hist_filter, al->sym->name) != 0)) {
239 /* We're only interested in a symbol named sym_hist_filter */
240 /*
241 * FIXME: why isn't this done in the symbol_filter when loading
242 * the DSO?
243 */
244 if (al->sym != NULL) {
245 struct dso *dso = map__dso(al->map);
246
247 rb_erase_cached(&al->sym->rb_node, &dso->symbols);
248 symbol__delete(al->sym);
249 dso__reset_find_symbol_cache(dso);
250 }
251 return 0;
252 }
253
254 /*
255 * XXX filtered samples can still have branch entries pointing into our
256 * symbol and are missed.
257 */
258 process_branch_stack(sample->branch_stack, al, sample);
259
260 if (ann->has_br_stack && has_annotation(ann))
261 return process_branch_callback(evsel, sample, al, ann, machine);
262
263 he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true);
264 if (he == NULL)
265 return -ENOMEM;
266
267 ret = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
268 hists__inc_nr_samples(hists, true);
269 return ret;
270 }
271
process_sample_event(struct perf_tool * tool,union perf_event * event,struct perf_sample * sample,struct evsel * evsel,struct machine * machine)272 static int process_sample_event(struct perf_tool *tool,
273 union perf_event *event,
274 struct perf_sample *sample,
275 struct evsel *evsel,
276 struct machine *machine)
277 {
278 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool);
279 struct addr_location al;
280 int ret = 0;
281
282 addr_location__init(&al);
283 if (machine__resolve(machine, &al, sample) < 0) {
284 pr_warning("problem processing %d event, skipping it.\n",
285 event->header.type);
286 ret = -1;
287 goto out_put;
288 }
289
290 if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap))
291 goto out_put;
292
293 if (!al.filtered &&
294 evsel__add_sample(evsel, sample, &al, ann, machine)) {
295 pr_warning("problem incrementing symbol count, "
296 "skipping event\n");
297 ret = -1;
298 }
299 out_put:
300 addr_location__exit(&al);
301 return ret;
302 }
303
process_feature_event(struct perf_session * session,union perf_event * event)304 static int process_feature_event(struct perf_session *session,
305 union perf_event *event)
306 {
307 if (event->feat.feat_id < HEADER_LAST_FEATURE)
308 return perf_event__process_feature(session, event);
309 return 0;
310 }
311
hist_entry__tty_annotate(struct hist_entry * he,struct evsel * evsel,struct perf_annotate * ann)312 static int hist_entry__tty_annotate(struct hist_entry *he,
313 struct evsel *evsel,
314 struct perf_annotate *ann)
315 {
316 if (!ann->use_stdio2)
317 return symbol__tty_annotate(&he->ms, evsel);
318
319 return symbol__tty_annotate2(&he->ms, evsel);
320 }
321
hists__find_annotations(struct hists * hists,struct evsel * evsel,struct perf_annotate * ann)322 static void hists__find_annotations(struct hists *hists,
323 struct evsel *evsel,
324 struct perf_annotate *ann)
325 {
326 struct rb_node *nd = rb_first_cached(&hists->entries), *next;
327 int key = K_RIGHT;
328
329 while (nd) {
330 struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
331 struct annotation *notes;
332
333 if (he->ms.sym == NULL || map__dso(he->ms.map)->annotate_warned)
334 goto find_next;
335
336 if (ann->sym_hist_filter &&
337 (strcmp(he->ms.sym->name, ann->sym_hist_filter) != 0))
338 goto find_next;
339
340 if (ann->min_percent) {
341 float percent = 0;
342 u64 total = hists__total_period(hists);
343
344 if (total)
345 percent = 100.0 * he->stat.period / total;
346
347 if (percent < ann->min_percent)
348 goto find_next;
349 }
350
351 notes = symbol__annotation(he->ms.sym);
352 if (notes->src == NULL) {
353 find_next:
354 if (key == K_LEFT || key == '<')
355 nd = rb_prev(nd);
356 else
357 nd = rb_next(nd);
358 continue;
359 }
360
361 if (use_browser == 2) {
362 int ret;
363 int (*annotate)(struct hist_entry *he,
364 struct evsel *evsel,
365 struct hist_browser_timer *hbt);
366
367 annotate = dlsym(perf_gtk_handle,
368 "hist_entry__gtk_annotate");
369 if (annotate == NULL) {
370 ui__error("GTK browser not found!\n");
371 return;
372 }
373
374 ret = annotate(he, evsel, NULL);
375 if (!ret || !ann->skip_missing)
376 return;
377
378 /* skip missing symbols */
379 nd = rb_next(nd);
380 } else if (use_browser == 1) {
381 key = hist_entry__tui_annotate(he, evsel, NULL, &annotate_opts);
382
383 switch (key) {
384 case -1:
385 if (!ann->skip_missing)
386 return;
387 /* fall through */
388 case K_RIGHT:
389 case '>':
390 next = rb_next(nd);
391 break;
392 case K_LEFT:
393 case '<':
394 next = rb_prev(nd);
395 break;
396 default:
397 return;
398 }
399
400 if (next != NULL)
401 nd = next;
402 } else {
403 hist_entry__tty_annotate(he, evsel, ann);
404 nd = rb_next(nd);
405 }
406 }
407 }
408
__cmd_annotate(struct perf_annotate * ann)409 static int __cmd_annotate(struct perf_annotate *ann)
410 {
411 int ret;
412 struct perf_session *session = ann->session;
413 struct evsel *pos;
414 u64 total_nr_samples;
415
416 if (ann->cpu_list) {
417 ret = perf_session__cpu_bitmap(session, ann->cpu_list,
418 ann->cpu_bitmap);
419 if (ret)
420 goto out;
421 }
422
423 if (!annotate_opts.objdump_path) {
424 ret = perf_env__lookup_objdump(&session->header.env,
425 &annotate_opts.objdump_path);
426 if (ret)
427 goto out;
428 }
429
430 ret = perf_session__process_events(session);
431 if (ret)
432 goto out;
433
434 if (dump_trace) {
435 perf_session__fprintf_nr_events(session, stdout, false);
436 evlist__fprintf_nr_events(session->evlist, stdout, false);
437 goto out;
438 }
439
440 if (verbose > 3)
441 perf_session__fprintf(session, stdout);
442
443 if (verbose > 2)
444 perf_session__fprintf_dsos(session, stdout);
445
446 total_nr_samples = 0;
447 evlist__for_each_entry(session->evlist, pos) {
448 struct hists *hists = evsel__hists(pos);
449 u32 nr_samples = hists->stats.nr_samples;
450
451 if (nr_samples > 0) {
452 total_nr_samples += nr_samples;
453 hists__collapse_resort(hists, NULL);
454 /* Don't sort callchain */
455 evsel__reset_sample_bit(pos, CALLCHAIN);
456 evsel__output_resort(pos, NULL);
457
458 if (symbol_conf.event_group && !evsel__is_group_leader(pos))
459 continue;
460
461 hists__find_annotations(hists, pos, ann);
462 }
463 }
464
465 if (total_nr_samples == 0) {
466 ui__error("The %s data has no samples!\n", session->data->path);
467 goto out;
468 }
469
470 if (use_browser == 2) {
471 void (*show_annotations)(void);
472
473 show_annotations = dlsym(perf_gtk_handle,
474 "perf_gtk__show_annotations");
475 if (show_annotations == NULL) {
476 ui__error("GTK browser not found!\n");
477 goto out;
478 }
479 show_annotations();
480 }
481
482 out:
483 return ret;
484 }
485
parse_percent_limit(const struct option * opt,const char * str,int unset __maybe_unused)486 static int parse_percent_limit(const struct option *opt, const char *str,
487 int unset __maybe_unused)
488 {
489 struct perf_annotate *ann = opt->value;
490 double pcnt = strtof(str, NULL);
491
492 ann->min_percent = pcnt;
493 return 0;
494 }
495
496 static const char * const annotate_usage[] = {
497 "perf annotate [<options>]",
498 NULL
499 };
500
cmd_annotate(int argc,const char ** argv)501 int cmd_annotate(int argc, const char **argv)
502 {
503 struct perf_annotate annotate = {
504 .tool = {
505 .sample = process_sample_event,
506 .mmap = perf_event__process_mmap,
507 .mmap2 = perf_event__process_mmap2,
508 .comm = perf_event__process_comm,
509 .exit = perf_event__process_exit,
510 .fork = perf_event__process_fork,
511 .namespaces = perf_event__process_namespaces,
512 .attr = perf_event__process_attr,
513 .build_id = perf_event__process_build_id,
514 #ifdef HAVE_LIBTRACEEVENT
515 .tracing_data = perf_event__process_tracing_data,
516 #endif
517 .id_index = perf_event__process_id_index,
518 .auxtrace_info = perf_event__process_auxtrace_info,
519 .auxtrace = perf_event__process_auxtrace,
520 .feature = process_feature_event,
521 .ordered_events = true,
522 .ordering_requires_timestamps = true,
523 },
524 };
525 struct perf_data data = {
526 .mode = PERF_DATA_MODE_READ,
527 };
528 struct itrace_synth_opts itrace_synth_opts = {
529 .set = 0,
530 };
531 const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL;
532 struct option options[] = {
533 OPT_STRING('i', "input", &input_name, "file",
534 "input file name"),
535 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
536 "only consider symbols in these dsos"),
537 OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol",
538 "symbol to annotate"),
539 OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"),
540 OPT_INCR('v', "verbose", &verbose,
541 "be more verbose (show symbol address, etc)"),
542 OPT_BOOLEAN('q', "quiet", &quiet, "do now show any warnings or messages"),
543 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
544 "dump raw trace in ASCII"),
545 #ifdef HAVE_GTK2_SUPPORT
546 OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
547 #endif
548 #ifdef HAVE_SLANG_SUPPORT
549 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
550 #endif
551 OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"),
552 OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"),
553 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
554 "don't load vmlinux even if found"),
555 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
556 "file", "vmlinux pathname"),
557 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
558 "load module symbols - WARNING: use only with -k and LIVE kernel"),
559 OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines,
560 "print matching source lines (may be slow)"),
561 OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path,
562 "Don't shorten the displayed pathnames"),
563 OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing,
564 "Skip symbols that cannot be annotated"),
565 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group,
566 &annotate.group_set,
567 "Show event group information together"),
568 OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"),
569 OPT_CALLBACK(0, "symfs", NULL, "directory",
570 "Look for files with symbols relative to this directory",
571 symbol__config_symfs),
572 OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src,
573 "Interleave source code with assembly code (default)"),
574 OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_asm_raw,
575 "Display raw encoding of assembly instructions (default)"),
576 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
577 "Specify disassembler style (e.g. -M intel for intel syntax)"),
578 OPT_STRING(0, "prefix", &annotate_opts.prefix, "prefix",
579 "Add prefix to source file path names in programs (with --prefix-strip)"),
580 OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N",
581 "Strip first N entries of source file path name in programs (with --prefix)"),
582 OPT_STRING(0, "objdump", &objdump_path, "path",
583 "objdump binary to use for disassembly and annotations"),
584 OPT_STRING(0, "addr2line", &addr2line_path, "path",
585 "addr2line binary to use for line numbers"),
586 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
587 "Enable symbol demangling"),
588 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
589 "Enable kernel symbol demangling"),
590 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
591 "Show a column with the sum of periods"),
592 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
593 "Show a column with the number of samples"),
594 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
595 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
596 stdio__config_color, "always"),
597 OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period",
598 "Set percent type local/global-period/hits",
599 annotate_parse_percent_type),
600 OPT_CALLBACK(0, "percent-limit", &annotate, "percent",
601 "Don't show entries under that percent", parse_percent_limit),
602 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
603 "Instruction Tracing options\n" ITRACE_HELP,
604 itrace_parse_synth_opts),
605
606 OPT_END()
607 };
608 int ret;
609
610 set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE);
611 set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE);
612
613 annotation_options__init(&annotate_opts);
614
615 ret = hists__init();
616 if (ret < 0)
617 return ret;
618
619 annotation_config__init(&annotate_opts);
620
621 argc = parse_options(argc, argv, options, annotate_usage, 0);
622 if (argc) {
623 /*
624 * Special case: if there's an argument left then assume that
625 * it's a symbol filter:
626 */
627 if (argc > 1)
628 usage_with_options(annotate_usage, options);
629
630 annotate.sym_hist_filter = argv[0];
631 }
632
633 if (disassembler_style) {
634 annotate_opts.disassembler_style = strdup(disassembler_style);
635 if (!annotate_opts.disassembler_style)
636 return -ENOMEM;
637 }
638 if (objdump_path) {
639 annotate_opts.objdump_path = strdup(objdump_path);
640 if (!annotate_opts.objdump_path)
641 return -ENOMEM;
642 }
643 if (addr2line_path) {
644 symbol_conf.addr2line_path = strdup(addr2line_path);
645 if (!symbol_conf.addr2line_path)
646 return -ENOMEM;
647 }
648
649 if (annotate_check_args(&annotate_opts) < 0)
650 return -EINVAL;
651
652 #ifdef HAVE_GTK2_SUPPORT
653 if (symbol_conf.show_nr_samples && annotate.use_gtk) {
654 pr_err("--show-nr-samples is not available in --gtk mode at this time\n");
655 return ret;
656 }
657 #endif
658
659 ret = symbol__validate_sym_arguments();
660 if (ret)
661 return ret;
662
663 if (quiet)
664 perf_quiet_option();
665
666 data.path = input_name;
667
668 annotate.session = perf_session__new(&data, &annotate.tool);
669 if (IS_ERR(annotate.session))
670 return PTR_ERR(annotate.session);
671
672 annotate.session->itrace_synth_opts = &itrace_synth_opts;
673
674 annotate.has_br_stack = perf_header__has_feat(&annotate.session->header,
675 HEADER_BRANCH_STACK);
676
677 if (annotate.group_set)
678 evlist__force_leader(annotate.session->evlist);
679
680 ret = symbol__annotation_init();
681 if (ret < 0)
682 goto out_delete;
683
684 symbol_conf.try_vmlinux_path = true;
685
686 ret = symbol__init(&annotate.session->header.env);
687 if (ret < 0)
688 goto out_delete;
689
690 if (annotate.use_stdio || annotate.use_stdio2)
691 use_browser = 0;
692 #ifdef HAVE_SLANG_SUPPORT
693 else if (annotate.use_tui)
694 use_browser = 1;
695 #endif
696 #ifdef HAVE_GTK2_SUPPORT
697 else if (annotate.use_gtk)
698 use_browser = 2;
699 #endif
700
701 setup_browser(true);
702
703 /*
704 * Events of different processes may correspond to the same
705 * symbol, we do not care about the processes in annotate,
706 * set sort order to avoid repeated output.
707 */
708 sort_order = "dso,symbol";
709
710 /*
711 * Set SORT_MODE__BRANCH so that annotate display IPC/Cycle
712 * if branch info is in perf data in TUI mode.
713 */
714 if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack)
715 sort__mode = SORT_MODE__BRANCH;
716
717 if (setup_sorting(NULL) < 0)
718 usage_with_options(annotate_usage, options);
719
720 ret = __cmd_annotate(&annotate);
721
722 out_delete:
723 /*
724 * Speed up the exit process by only deleting for debug builds. For
725 * large files this can save time.
726 */
727 #ifndef NDEBUG
728 perf_session__delete(annotate.session);
729 #endif
730 annotation_options__exit(&annotate_opts);
731
732 return ret;
733 }
734