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accel/ivpu: Enable HWS by default on all platforms
[drm/drm-misc.git] / tools / perf / builtin-annotate.c
blobbb87e6e7687dc12feffef9960a2b115ec755eb9d
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/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
48 struct perf_annotate {
49 struct perf_tool tool;
50 struct perf_session *session;
51 #ifdef HAVE_SLANG_SUPPORT
52 bool use_tui;
53 #endif
54 bool use_stdio, use_stdio2;
55 #ifdef HAVE_GTK2_SUPPORT
56 bool use_gtk;
57 #endif
58 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_i
75 * * ----> *
76 * |
77 * | block
78 * v
79 * * ----> *
80 * from to branch_i+1
81 *
82 * where the horizontal are the branches and the vertical is the executed
83 * block of instructions.
84 *
85 * We count, for each 'instruction', the number of blocks that covered it as
86 * well as count the ratio each branch is taken.
87 *
88 * We can do this without knowing the actual instruction stream by keeping
89 * track of the address ranges. We break down ranges such that there is no
90 * 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 */
95 static 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 backwards
107 */
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
145 static 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 symbol
162 */
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
171 static 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
190 out:
191 return err;
192 }
193
194 static 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);
228 out:
229 addr_location__exit(&a);
230 return ret;
231 }
232
233 static bool has_annotation(struct perf_annotate *ann)
234 {
235 return ui__has_annotation() || ann->use_stdio2;
236 }
237
238 static 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 loading
253 * 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 our
267 * 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
283 static 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 }
310 out_put:
311 addr_location__exit(&al);
312 return ret;
313 }
314
315 static 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
323 static 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
333 static 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_STAT
369 }
370
371 static 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
407 static 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) {
443 find_next:
444 if (key == K_LEFT || key == '<')
445 nd = rb_prev(nd);
446 else
447 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 else
476 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
549 static 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
668 out:
669 return ret;
670 }
671
672 static 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
682 static 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
693 static const char * const annotate_usage[] = {
694 "perf annotate [<options>]",
695 NULL
696 };
697
698 int 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_SUPPORT
722 OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"),
723 #endif
724 #ifdef HAVE_SLANG_SUPPORT
725 OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"),
726 #endif
727 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 that
809 * 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_SUPPORT
837 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 #endif
842
843 #ifndef HAVE_LIBDW_SUPPORT
844 if (annotate.data_type) {
845 pr_err("Error: Data type profiling is disabled due to missing DWARF support\n");
846 return -ENOTSUP;
847 }
848 #endif
849
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_LIBTRACEEVENT
870 annotate.tool.tracing_data = perf_event__process_tracing_data;
871 #endif
872 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_SUPPORT
903 else if (annotate.use_tui)
904 use_browser = 1;
905 #endif
906 #ifdef HAVE_GTK2_SUPPORT
907 else if (annotate.use_gtk)
908 use_browser = 2;
909 #endif
910
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 same
921 * 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 else
927 sort_order = "dso,symbol";
928
929 /*
930 * Set SORT_MODE__BRANCH so that annotate displays IPC/Cycle and
931 * branch counters, if the corresponding branch info is available
932 * 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
945 out_delete:
946 /*
947 * Speed up the exit process by only deleting for debug builds. For
948 * large files this can save time.
949 */
950 #ifndef NDEBUG
951 perf_session__delete(annotate.session);
952 #endif
953 annotation_options__exit();
954
955 return ret;
956 }
Kernel DRM miscellaneous fixes and cross-tree changes