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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
[mirror_ubuntu-hirsute-kernel.git] / tools / perf / builtin-report.c
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * builtin-report.c
4 *
5 * Builtin report command: Analyze the perf.data input file,
6 * look up and read DSOs and symbol information and display
7 * a histogram of results, along various sorting keys.
8 */
9 #include "builtin.h"
10
11 #include "util/config.h"
12
13 #include "util/annotate.h"
14 #include "util/color.h"
15 #include "util/dso.h"
16 #include <linux/list.h>
17 #include <linux/rbtree.h>
18 #include <linux/err.h>
19 #include <linux/zalloc.h>
20 #include "util/map.h"
21 #include "util/symbol.h"
22 #include "util/map_symbol.h"
23 #include "util/mem-events.h"
24 #include "util/branch.h"
25 #include "util/callchain.h"
26 #include "util/values.h"
27
28 #include "perf.h"
29 #include "util/debug.h"
30 #include "util/evlist.h"
31 #include "util/evsel.h"
32 #include "util/evswitch.h"
33 #include "util/header.h"
34 #include "util/session.h"
35 #include "util/srcline.h"
36 #include "util/tool.h"
37
38 #include <subcmd/parse-options.h>
39 #include <subcmd/exec-cmd.h>
40 #include "util/parse-events.h"
41
42 #include "util/thread.h"
43 #include "util/sort.h"
44 #include "util/hist.h"
45 #include "util/data.h"
46 #include "arch/common.h"
47 #include "util/time-utils.h"
48 #include "util/auxtrace.h"
49 #include "util/units.h"
50 #include "util/util.h" // perf_tip()
51 #include "ui/ui.h"
52 #include "ui/progress.h"
53 #include "util/block-info.h"
54
55 #include <dlfcn.h>
56 #include <errno.h>
57 #include <inttypes.h>
58 #include <regex.h>
59 #include <linux/ctype.h>
60 #include <signal.h>
61 #include <linux/bitmap.h>
62 #include <linux/string.h>
63 #include <linux/stringify.h>
64 #include <linux/time64.h>
65 #include <sys/types.h>
66 #include <sys/stat.h>
67 #include <unistd.h>
68 #include <linux/mman.h>
69
70 struct report {
71 struct perf_tool tool;
72 struct perf_session *session;
73 struct evswitch evswitch;
74 bool use_tui, use_gtk, use_stdio;
75 bool show_full_info;
76 bool show_threads;
77 bool inverted_callchain;
78 bool mem_mode;
79 bool stats_mode;
80 bool tasks_mode;
81 bool mmaps_mode;
82 bool header;
83 bool header_only;
84 bool nonany_branch_mode;
85 bool group_set;
86 bool stitch_lbr;
87 int max_stack;
88 struct perf_read_values show_threads_values;
89 struct annotation_options annotation_opts;
90 const char *pretty_printing_style;
91 const char *cpu_list;
92 const char *symbol_filter_str;
93 const char *time_str;
94 struct perf_time_interval *ptime_range;
95 int range_size;
96 int range_num;
97 float min_percent;
98 u64 nr_entries;
99 u64 queue_size;
100 u64 total_cycles;
101 int socket_filter;
102 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
103 struct branch_type_stat brtype_stat;
104 bool symbol_ipc;
105 bool total_cycles_mode;
106 struct block_report *block_reports;
107 int nr_block_reports;
108 };
109
110 static int report__config(const char *var, const char *value, void *cb)
111 {
112 struct report *rep = cb;
113
114 if (!strcmp(var, "report.group")) {
115 symbol_conf.event_group = perf_config_bool(var, value);
116 return 0;
117 }
118 if (!strcmp(var, "report.percent-limit")) {
119 double pcnt = strtof(value, NULL);
120
121 rep->min_percent = pcnt;
122 callchain_param.min_percent = pcnt;
123 return 0;
124 }
125 if (!strcmp(var, "report.children")) {
126 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
127 return 0;
128 }
129 if (!strcmp(var, "report.queue-size"))
130 return perf_config_u64(&rep->queue_size, var, value);
131
132 if (!strcmp(var, "report.sort_order")) {
133 default_sort_order = strdup(value);
134 return 0;
135 }
136
137 return 0;
138 }
139
140 static int hist_iter__report_callback(struct hist_entry_iter *iter,
141 struct addr_location *al, bool single,
142 void *arg)
143 {
144 int err = 0;
145 struct report *rep = arg;
146 struct hist_entry *he = iter->he;
147 struct evsel *evsel = iter->evsel;
148 struct perf_sample *sample = iter->sample;
149 struct mem_info *mi;
150 struct branch_info *bi;
151
152 if (!ui__has_annotation() && !rep->symbol_ipc)
153 return 0;
154
155 if (sort__mode == SORT_MODE__BRANCH) {
156 bi = he->branch_info;
157 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
158 if (err)
159 goto out;
160
161 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
162
163 } else if (rep->mem_mode) {
164 mi = he->mem_info;
165 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel);
166 if (err)
167 goto out;
168
169 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
170
171 } else if (symbol_conf.cumulate_callchain) {
172 if (single)
173 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
174 } else {
175 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
176 }
177
178 out:
179 return err;
180 }
181
182 static int hist_iter__branch_callback(struct hist_entry_iter *iter,
183 struct addr_location *al __maybe_unused,
184 bool single __maybe_unused,
185 void *arg)
186 {
187 struct hist_entry *he = iter->he;
188 struct report *rep = arg;
189 struct branch_info *bi = he->branch_info;
190 struct perf_sample *sample = iter->sample;
191 struct evsel *evsel = iter->evsel;
192 int err;
193
194 branch_type_count(&rep->brtype_stat, &bi->flags,
195 bi->from.addr, bi->to.addr);
196
197 if (!ui__has_annotation() && !rep->symbol_ipc)
198 return 0;
199
200 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
201 if (err)
202 goto out;
203
204 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
205
206 out:
207 return err;
208 }
209
210 static void setup_forced_leader(struct report *report,
211 struct evlist *evlist)
212 {
213 if (report->group_set)
214 evlist__force_leader(evlist);
215 }
216
217 static int process_feature_event(struct perf_session *session,
218 union perf_event *event)
219 {
220 struct report *rep = container_of(session->tool, struct report, tool);
221
222 if (event->feat.feat_id < HEADER_LAST_FEATURE)
223 return perf_event__process_feature(session, event);
224
225 if (event->feat.feat_id != HEADER_LAST_FEATURE) {
226 pr_err("failed: wrong feature ID: %" PRI_lu64 "\n",
227 event->feat.feat_id);
228 return -1;
229 } else if (rep->header_only) {
230 session_done = 1;
231 }
232
233 /*
234 * (feat_id = HEADER_LAST_FEATURE) is the end marker which
235 * means all features are received, now we can force the
236 * group if needed.
237 */
238 setup_forced_leader(rep, session->evlist);
239 return 0;
240 }
241
242 static int process_sample_event(struct perf_tool *tool,
243 union perf_event *event,
244 struct perf_sample *sample,
245 struct evsel *evsel,
246 struct machine *machine)
247 {
248 struct report *rep = container_of(tool, struct report, tool);
249 struct addr_location al;
250 struct hist_entry_iter iter = {
251 .evsel = evsel,
252 .sample = sample,
253 .hide_unresolved = symbol_conf.hide_unresolved,
254 .add_entry_cb = hist_iter__report_callback,
255 };
256 int ret = 0;
257
258 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num,
259 sample->time)) {
260 return 0;
261 }
262
263 if (evswitch__discard(&rep->evswitch, evsel))
264 return 0;
265
266 if (machine__resolve(machine, &al, sample) < 0) {
267 pr_debug("problem processing %d event, skipping it.\n",
268 event->header.type);
269 return -1;
270 }
271
272 if (rep->stitch_lbr)
273 al.thread->lbr_stitch_enable = true;
274
275 if (symbol_conf.hide_unresolved && al.sym == NULL)
276 goto out_put;
277
278 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
279 goto out_put;
280
281 if (sort__mode == SORT_MODE__BRANCH) {
282 /*
283 * A non-synthesized event might not have a branch stack if
284 * branch stacks have been synthesized (using itrace options).
285 */
286 if (!sample->branch_stack)
287 goto out_put;
288
289 iter.add_entry_cb = hist_iter__branch_callback;
290 iter.ops = &hist_iter_branch;
291 } else if (rep->mem_mode) {
292 iter.ops = &hist_iter_mem;
293 } else if (symbol_conf.cumulate_callchain) {
294 iter.ops = &hist_iter_cumulative;
295 } else {
296 iter.ops = &hist_iter_normal;
297 }
298
299 if (al.map != NULL)
300 al.map->dso->hit = 1;
301
302 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) {
303 hist__account_cycles(sample->branch_stack, &al, sample,
304 rep->nonany_branch_mode,
305 &rep->total_cycles);
306 }
307
308 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
309 if (ret < 0)
310 pr_debug("problem adding hist entry, skipping event\n");
311 out_put:
312 addr_location__put(&al);
313 return ret;
314 }
315
316 static int process_read_event(struct perf_tool *tool,
317 union perf_event *event,
318 struct perf_sample *sample __maybe_unused,
319 struct evsel *evsel,
320 struct machine *machine __maybe_unused)
321 {
322 struct report *rep = container_of(tool, struct report, tool);
323
324 if (rep->show_threads) {
325 const char *name = evsel__name(evsel);
326 int err = perf_read_values_add_value(&rep->show_threads_values,
327 event->read.pid, event->read.tid,
328 evsel->idx,
329 name,
330 event->read.value);
331
332 if (err)
333 return err;
334 }
335
336 return 0;
337 }
338
339 /* For pipe mode, sample_type is not currently set */
340 static int report__setup_sample_type(struct report *rep)
341 {
342 struct perf_session *session = rep->session;
343 u64 sample_type = evlist__combined_sample_type(session->evlist);
344 bool is_pipe = perf_data__is_pipe(session->data);
345
346 if (session->itrace_synth_opts->callchain ||
347 session->itrace_synth_opts->add_callchain ||
348 (!is_pipe &&
349 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
350 !session->itrace_synth_opts->set))
351 sample_type |= PERF_SAMPLE_CALLCHAIN;
352
353 if (session->itrace_synth_opts->last_branch ||
354 session->itrace_synth_opts->add_last_branch)
355 sample_type |= PERF_SAMPLE_BRANCH_STACK;
356
357 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
358 if (perf_hpp_list.parent) {
359 ui__error("Selected --sort parent, but no "
360 "callchain data. Did you call "
361 "'perf record' without -g?\n");
362 return -EINVAL;
363 }
364 if (symbol_conf.use_callchain &&
365 !symbol_conf.show_branchflag_count) {
366 ui__error("Selected -g or --branch-history.\n"
367 "But no callchain or branch data.\n"
368 "Did you call 'perf record' without -g or -b?\n");
369 return -1;
370 }
371 } else if (!callchain_param.enabled &&
372 callchain_param.mode != CHAIN_NONE &&
373 !symbol_conf.use_callchain) {
374 symbol_conf.use_callchain = true;
375 if (callchain_register_param(&callchain_param) < 0) {
376 ui__error("Can't register callchain params.\n");
377 return -EINVAL;
378 }
379 }
380
381 if (symbol_conf.cumulate_callchain) {
382 /* Silently ignore if callchain is missing */
383 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
384 symbol_conf.cumulate_callchain = false;
385 perf_hpp__cancel_cumulate();
386 }
387 }
388
389 if (sort__mode == SORT_MODE__BRANCH) {
390 if (!is_pipe &&
391 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
392 ui__error("Selected -b but no branch data. "
393 "Did you call perf record without -b?\n");
394 return -1;
395 }
396 }
397
398 if (sort__mode == SORT_MODE__MEMORY) {
399 if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) {
400 ui__error("Selected --mem-mode but no mem data. "
401 "Did you call perf record without -d?\n");
402 return -1;
403 }
404 }
405
406 callchain_param_setup(sample_type);
407
408 if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
409 ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
410 "Please apply --call-graph lbr when recording.\n");
411 rep->stitch_lbr = false;
412 }
413
414 /* ??? handle more cases than just ANY? */
415 if (!(evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY))
416 rep->nonany_branch_mode = true;
417
418 #if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT)
419 if (dwarf_callchain_users) {
420 ui__warning("Please install libunwind or libdw "
421 "development packages during the perf build.\n");
422 }
423 #endif
424
425 return 0;
426 }
427
428 static void sig_handler(int sig __maybe_unused)
429 {
430 session_done = 1;
431 }
432
433 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
434 const char *evname, FILE *fp)
435 {
436 size_t ret;
437 char unit;
438 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
439 u64 nr_events = hists->stats.total_period;
440 struct evsel *evsel = hists_to_evsel(hists);
441 char buf[512];
442 size_t size = sizeof(buf);
443 int socked_id = hists->socket_filter;
444
445 if (quiet)
446 return 0;
447
448 if (symbol_conf.filter_relative) {
449 nr_samples = hists->stats.nr_non_filtered_samples;
450 nr_events = hists->stats.total_non_filtered_period;
451 }
452
453 if (evsel__is_group_event(evsel)) {
454 struct evsel *pos;
455
456 evsel__group_desc(evsel, buf, size);
457 evname = buf;
458
459 for_each_group_member(pos, evsel) {
460 const struct hists *pos_hists = evsel__hists(pos);
461
462 if (symbol_conf.filter_relative) {
463 nr_samples += pos_hists->stats.nr_non_filtered_samples;
464 nr_events += pos_hists->stats.total_non_filtered_period;
465 } else {
466 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
467 nr_events += pos_hists->stats.total_period;
468 }
469 }
470 }
471
472 nr_samples = convert_unit(nr_samples, &unit);
473 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
474 if (evname != NULL) {
475 ret += fprintf(fp, " of event%s '%s'",
476 evsel->core.nr_members > 1 ? "s" : "", evname);
477 }
478
479 if (rep->time_str)
480 ret += fprintf(fp, " (time slices: %s)", rep->time_str);
481
482 if (symbol_conf.show_ref_callgraph && evname && strstr(evname, "call-graph=no")) {
483 ret += fprintf(fp, ", show reference callgraph");
484 }
485
486 if (rep->mem_mode) {
487 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
488 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
489 } else
490 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
491
492 if (socked_id > -1)
493 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
494
495 return ret + fprintf(fp, "\n#\n");
496 }
497
498 static int evlist__tui_block_hists_browse(struct evlist *evlist, struct report *rep)
499 {
500 struct evsel *pos;
501 int i = 0, ret;
502
503 evlist__for_each_entry(evlist, pos) {
504 ret = report__browse_block_hists(&rep->block_reports[i++].hist,
505 rep->min_percent, pos,
506 &rep->session->header.env,
507 &rep->annotation_opts);
508 if (ret != 0)
509 return ret;
510 }
511
512 return 0;
513 }
514
515 static int evlist__tty_browse_hists(struct evlist *evlist, struct report *rep, const char *help)
516 {
517 struct evsel *pos;
518 int i = 0;
519
520 if (!quiet) {
521 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
522 evlist->stats.total_lost_samples);
523 }
524
525 evlist__for_each_entry(evlist, pos) {
526 struct hists *hists = evsel__hists(pos);
527 const char *evname = evsel__name(pos);
528
529 if (symbol_conf.event_group && !evsel__is_group_leader(pos))
530 continue;
531
532 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
533
534 if (rep->total_cycles_mode) {
535 report__browse_block_hists(&rep->block_reports[i++].hist,
536 rep->min_percent, pos,
537 NULL, NULL);
538 continue;
539 }
540
541 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
542 !(symbol_conf.use_callchain ||
543 symbol_conf.show_branchflag_count));
544 fprintf(stdout, "\n\n");
545 }
546
547 if (!quiet)
548 fprintf(stdout, "#\n# (%s)\n#\n", help);
549
550 if (rep->show_threads) {
551 bool style = !strcmp(rep->pretty_printing_style, "raw");
552 perf_read_values_display(stdout, &rep->show_threads_values,
553 style);
554 perf_read_values_destroy(&rep->show_threads_values);
555 }
556
557 if (sort__mode == SORT_MODE__BRANCH)
558 branch_type_stat_display(stdout, &rep->brtype_stat);
559
560 return 0;
561 }
562
563 static void report__warn_kptr_restrict(const struct report *rep)
564 {
565 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
566 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
567
568 if (evlist__exclude_kernel(rep->session->evlist))
569 return;
570
571 if (kernel_map == NULL ||
572 (kernel_map->dso->hit &&
573 (kernel_kmap->ref_reloc_sym == NULL ||
574 kernel_kmap->ref_reloc_sym->addr == 0))) {
575 const char *desc =
576 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
577 "can't be resolved.";
578
579 if (kernel_map && map__has_symbols(kernel_map)) {
580 desc = "If some relocation was applied (e.g. "
581 "kexec) symbols may be misresolved.";
582 }
583
584 ui__warning(
585 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
586 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
587 "Samples in kernel modules can't be resolved as well.\n\n",
588 desc);
589 }
590 }
591
592 static int report__gtk_browse_hists(struct report *rep, const char *help)
593 {
594 int (*hist_browser)(struct evlist *evlist, const char *help,
595 struct hist_browser_timer *timer, float min_pcnt);
596
597 hist_browser = dlsym(perf_gtk_handle, "evlist__gtk_browse_hists");
598
599 if (hist_browser == NULL) {
600 ui__error("GTK browser not found!\n");
601 return -1;
602 }
603
604 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
605 }
606
607 static int report__browse_hists(struct report *rep)
608 {
609 int ret;
610 struct perf_session *session = rep->session;
611 struct evlist *evlist = session->evlist;
612 const char *help = perf_tip(system_path(TIPDIR));
613
614 if (help == NULL) {
615 /* fallback for people who don't install perf ;-) */
616 help = perf_tip(DOCDIR);
617 if (help == NULL)
618 help = "Cannot load tips.txt file, please install perf!";
619 }
620
621 switch (use_browser) {
622 case 1:
623 if (rep->total_cycles_mode) {
624 ret = evlist__tui_block_hists_browse(evlist, rep);
625 break;
626 }
627
628 ret = evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent,
629 &session->header.env, true, &rep->annotation_opts);
630 /*
631 * Usually "ret" is the last pressed key, and we only
632 * care if the key notifies us to switch data file.
633 */
634 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD)
635 ret = 0;
636 break;
637 case 2:
638 ret = report__gtk_browse_hists(rep, help);
639 break;
640 default:
641 ret = evlist__tty_browse_hists(evlist, rep, help);
642 break;
643 }
644
645 return ret;
646 }
647
648 static int report__collapse_hists(struct report *rep)
649 {
650 struct ui_progress prog;
651 struct evsel *pos;
652 int ret = 0;
653
654 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
655
656 evlist__for_each_entry(rep->session->evlist, pos) {
657 struct hists *hists = evsel__hists(pos);
658
659 if (pos->idx == 0)
660 hists->symbol_filter_str = rep->symbol_filter_str;
661
662 hists->socket_filter = rep->socket_filter;
663
664 ret = hists__collapse_resort(hists, &prog);
665 if (ret < 0)
666 break;
667
668 /* Non-group events are considered as leader */
669 if (symbol_conf.event_group && !evsel__is_group_leader(pos)) {
670 struct hists *leader_hists = evsel__hists(pos->leader);
671
672 hists__match(leader_hists, hists);
673 hists__link(leader_hists, hists);
674 }
675 }
676
677 ui_progress__finish();
678 return ret;
679 }
680
681 static int hists__resort_cb(struct hist_entry *he, void *arg)
682 {
683 struct report *rep = arg;
684 struct symbol *sym = he->ms.sym;
685
686 if (rep->symbol_ipc && sym && !sym->annotate2) {
687 struct evsel *evsel = hists_to_evsel(he->hists);
688
689 symbol__annotate2(&he->ms, evsel,
690 &annotation__default_options, NULL);
691 }
692
693 return 0;
694 }
695
696 static void report__output_resort(struct report *rep)
697 {
698 struct ui_progress prog;
699 struct evsel *pos;
700
701 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
702
703 evlist__for_each_entry(rep->session->evlist, pos) {
704 evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep);
705 }
706
707 ui_progress__finish();
708 }
709
710 static void stats_setup(struct report *rep)
711 {
712 memset(&rep->tool, 0, sizeof(rep->tool));
713 rep->tool.no_warn = true;
714 }
715
716 static int stats_print(struct report *rep)
717 {
718 struct perf_session *session = rep->session;
719
720 perf_session__fprintf_nr_events(session, stdout);
721 return 0;
722 }
723
724 static void tasks_setup(struct report *rep)
725 {
726 memset(&rep->tool, 0, sizeof(rep->tool));
727 rep->tool.ordered_events = true;
728 if (rep->mmaps_mode) {
729 rep->tool.mmap = perf_event__process_mmap;
730 rep->tool.mmap2 = perf_event__process_mmap2;
731 }
732 rep->tool.comm = perf_event__process_comm;
733 rep->tool.exit = perf_event__process_exit;
734 rep->tool.fork = perf_event__process_fork;
735 rep->tool.no_warn = true;
736 }
737
738 struct task {
739 struct thread *thread;
740 struct list_head list;
741 struct list_head children;
742 };
743
744 static struct task *tasks_list(struct task *task, struct machine *machine)
745 {
746 struct thread *parent_thread, *thread = task->thread;
747 struct task *parent_task;
748
749 /* Already listed. */
750 if (!list_empty(&task->list))
751 return NULL;
752
753 /* Last one in the chain. */
754 if (thread->ppid == -1)
755 return task;
756
757 parent_thread = machine__find_thread(machine, -1, thread->ppid);
758 if (!parent_thread)
759 return ERR_PTR(-ENOENT);
760
761 parent_task = thread__priv(parent_thread);
762 list_add_tail(&task->list, &parent_task->children);
763 return tasks_list(parent_task, machine);
764 }
765
766 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp)
767 {
768 size_t printed = 0;
769 struct map *map;
770
771 maps__for_each_entry(maps, map) {
772 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n",
773 indent, "", map->start, map->end,
774 map->prot & PROT_READ ? 'r' : '-',
775 map->prot & PROT_WRITE ? 'w' : '-',
776 map->prot & PROT_EXEC ? 'x' : '-',
777 map->flags & MAP_SHARED ? 's' : 'p',
778 map->pgoff,
779 map->dso->id.ino, map->dso->name);
780 }
781
782 return printed;
783 }
784
785 static void task__print_level(struct task *task, FILE *fp, int level)
786 {
787 struct thread *thread = task->thread;
788 struct task *child;
789 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s",
790 thread->pid_, thread->tid, thread->ppid,
791 level, "");
792
793 fprintf(fp, "%s\n", thread__comm_str(thread));
794
795 maps__fprintf_task(thread->maps, comm_indent, fp);
796
797 if (!list_empty(&task->children)) {
798 list_for_each_entry(child, &task->children, list)
799 task__print_level(child, fp, level + 1);
800 }
801 }
802
803 static int tasks_print(struct report *rep, FILE *fp)
804 {
805 struct perf_session *session = rep->session;
806 struct machine *machine = &session->machines.host;
807 struct task *tasks, *task;
808 unsigned int nr = 0, itask = 0, i;
809 struct rb_node *nd;
810 LIST_HEAD(list);
811
812 /*
813 * No locking needed while accessing machine->threads,
814 * because --tasks is single threaded command.
815 */
816
817 /* Count all the threads. */
818 for (i = 0; i < THREADS__TABLE_SIZE; i++)
819 nr += machine->threads[i].nr;
820
821 tasks = malloc(sizeof(*tasks) * nr);
822 if (!tasks)
823 return -ENOMEM;
824
825 for (i = 0; i < THREADS__TABLE_SIZE; i++) {
826 struct threads *threads = &machine->threads[i];
827
828 for (nd = rb_first_cached(&threads->entries); nd;
829 nd = rb_next(nd)) {
830 task = tasks + itask++;
831
832 task->thread = rb_entry(nd, struct thread, rb_node);
833 INIT_LIST_HEAD(&task->children);
834 INIT_LIST_HEAD(&task->list);
835 thread__set_priv(task->thread, task);
836 }
837 }
838
839 /*
840 * Iterate every task down to the unprocessed parent
841 * and link all in task children list. Task with no
842 * parent is added into 'list'.
843 */
844 for (itask = 0; itask < nr; itask++) {
845 task = tasks + itask;
846
847 if (!list_empty(&task->list))
848 continue;
849
850 task = tasks_list(task, machine);
851 if (IS_ERR(task)) {
852 pr_err("Error: failed to process tasks\n");
853 free(tasks);
854 return PTR_ERR(task);
855 }
856
857 if (task)
858 list_add_tail(&task->list, &list);
859 }
860
861 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm");
862
863 list_for_each_entry(task, &list, list)
864 task__print_level(task, fp, 0);
865
866 free(tasks);
867 return 0;
868 }
869
870 static int __cmd_report(struct report *rep)
871 {
872 int ret;
873 struct perf_session *session = rep->session;
874 struct evsel *pos;
875 struct perf_data *data = session->data;
876
877 signal(SIGINT, sig_handler);
878
879 if (rep->cpu_list) {
880 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
881 rep->cpu_bitmap);
882 if (ret) {
883 ui__error("failed to set cpu bitmap\n");
884 return ret;
885 }
886 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap;
887 }
888
889 if (rep->show_threads) {
890 ret = perf_read_values_init(&rep->show_threads_values);
891 if (ret)
892 return ret;
893 }
894
895 ret = report__setup_sample_type(rep);
896 if (ret) {
897 /* report__setup_sample_type() already showed error message */
898 return ret;
899 }
900
901 if (rep->stats_mode)
902 stats_setup(rep);
903
904 if (rep->tasks_mode)
905 tasks_setup(rep);
906
907 ret = perf_session__process_events(session);
908 if (ret) {
909 ui__error("failed to process sample\n");
910 return ret;
911 }
912
913 if (rep->stats_mode)
914 return stats_print(rep);
915
916 if (rep->tasks_mode)
917 return tasks_print(rep, stdout);
918
919 report__warn_kptr_restrict(rep);
920
921 evlist__for_each_entry(session->evlist, pos)
922 rep->nr_entries += evsel__hists(pos)->nr_entries;
923
924 if (use_browser == 0) {
925 if (verbose > 3)
926 perf_session__fprintf(session, stdout);
927
928 if (verbose > 2)
929 perf_session__fprintf_dsos(session, stdout);
930
931 if (dump_trace) {
932 perf_session__fprintf_nr_events(session, stdout);
933 evlist__fprintf_nr_events(session->evlist, stdout);
934 return 0;
935 }
936 }
937
938 ret = report__collapse_hists(rep);
939 if (ret) {
940 ui__error("failed to process hist entry\n");
941 return ret;
942 }
943
944 if (session_done())
945 return 0;
946
947 /*
948 * recalculate number of entries after collapsing since it
949 * might be changed during the collapse phase.
950 */
951 rep->nr_entries = 0;
952 evlist__for_each_entry(session->evlist, pos)
953 rep->nr_entries += evsel__hists(pos)->nr_entries;
954
955 if (rep->nr_entries == 0) {
956 ui__error("The %s data has no samples!\n", data->path);
957 return 0;
958 }
959
960 report__output_resort(rep);
961
962 if (rep->total_cycles_mode) {
963 int block_hpps[6] = {
964 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT,
965 PERF_HPP_REPORT__BLOCK_LBR_CYCLES,
966 PERF_HPP_REPORT__BLOCK_CYCLES_PCT,
967 PERF_HPP_REPORT__BLOCK_AVG_CYCLES,
968 PERF_HPP_REPORT__BLOCK_RANGE,
969 PERF_HPP_REPORT__BLOCK_DSO,
970 };
971
972 rep->block_reports = block_info__create_report(session->evlist,
973 rep->total_cycles,
974 block_hpps, 6,
975 &rep->nr_block_reports);
976 if (!rep->block_reports)
977 return -1;
978 }
979
980 return report__browse_hists(rep);
981 }
982
983 static int
984 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
985 {
986 struct callchain_param *callchain = opt->value;
987
988 callchain->enabled = !unset;
989 /*
990 * --no-call-graph
991 */
992 if (unset) {
993 symbol_conf.use_callchain = false;
994 callchain->mode = CHAIN_NONE;
995 return 0;
996 }
997
998 return parse_callchain_report_opt(arg);
999 }
1000
1001 static int
1002 parse_time_quantum(const struct option *opt, const char *arg,
1003 int unset __maybe_unused)
1004 {
1005 unsigned long *time_q = opt->value;
1006 char *end;
1007
1008 *time_q = strtoul(arg, &end, 0);
1009 if (end == arg)
1010 goto parse_err;
1011 if (*time_q == 0) {
1012 pr_err("time quantum cannot be 0");
1013 return -1;
1014 }
1015 end = skip_spaces(end);
1016 if (*end == 0)
1017 return 0;
1018 if (!strcmp(end, "s")) {
1019 *time_q *= NSEC_PER_SEC;
1020 return 0;
1021 }
1022 if (!strcmp(end, "ms")) {
1023 *time_q *= NSEC_PER_MSEC;
1024 return 0;
1025 }
1026 if (!strcmp(end, "us")) {
1027 *time_q *= NSEC_PER_USEC;
1028 return 0;
1029 }
1030 if (!strcmp(end, "ns"))
1031 return 0;
1032 parse_err:
1033 pr_err("Cannot parse time quantum `%s'\n", arg);
1034 return -1;
1035 }
1036
1037 int
1038 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
1039 const char *arg, int unset __maybe_unused)
1040 {
1041 if (arg) {
1042 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
1043 if (err) {
1044 char buf[BUFSIZ];
1045 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
1046 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
1047 return -1;
1048 }
1049 have_ignore_callees = 1;
1050 }
1051
1052 return 0;
1053 }
1054
1055 static int
1056 parse_branch_mode(const struct option *opt,
1057 const char *str __maybe_unused, int unset)
1058 {
1059 int *branch_mode = opt->value;
1060
1061 *branch_mode = !unset;
1062 return 0;
1063 }
1064
1065 static int
1066 parse_percent_limit(const struct option *opt, const char *str,
1067 int unset __maybe_unused)
1068 {
1069 struct report *rep = opt->value;
1070 double pcnt = strtof(str, NULL);
1071
1072 rep->min_percent = pcnt;
1073 callchain_param.min_percent = pcnt;
1074 return 0;
1075 }
1076
1077 static int process_attr(struct perf_tool *tool __maybe_unused,
1078 union perf_event *event,
1079 struct evlist **pevlist)
1080 {
1081 u64 sample_type;
1082 int err;
1083
1084 err = perf_event__process_attr(tool, event, pevlist);
1085 if (err)
1086 return err;
1087
1088 /*
1089 * Check if we need to enable callchains based
1090 * on events sample_type.
1091 */
1092 sample_type = evlist__combined_sample_type(*pevlist);
1093 callchain_param_setup(sample_type);
1094 return 0;
1095 }
1096
1097 int cmd_report(int argc, const char **argv)
1098 {
1099 struct perf_session *session;
1100 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
1101 struct stat st;
1102 bool has_br_stack = false;
1103 int branch_mode = -1;
1104 int last_key = 0;
1105 bool branch_call_mode = false;
1106 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
1107 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
1108 CALLCHAIN_REPORT_HELP
1109 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
1110 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
1111 const char * const report_usage[] = {
1112 "perf report [<options>]",
1113 NULL
1114 };
1115 struct report report = {
1116 .tool = {
1117 .sample = process_sample_event,
1118 .mmap = perf_event__process_mmap,
1119 .mmap2 = perf_event__process_mmap2,
1120 .comm = perf_event__process_comm,
1121 .namespaces = perf_event__process_namespaces,
1122 .cgroup = perf_event__process_cgroup,
1123 .exit = perf_event__process_exit,
1124 .fork = perf_event__process_fork,
1125 .lost = perf_event__process_lost,
1126 .read = process_read_event,
1127 .attr = process_attr,
1128 .tracing_data = perf_event__process_tracing_data,
1129 .build_id = perf_event__process_build_id,
1130 .id_index = perf_event__process_id_index,
1131 .auxtrace_info = perf_event__process_auxtrace_info,
1132 .auxtrace = perf_event__process_auxtrace,
1133 .event_update = perf_event__process_event_update,
1134 .feature = process_feature_event,
1135 .ordered_events = true,
1136 .ordering_requires_timestamps = true,
1137 },
1138 .max_stack = PERF_MAX_STACK_DEPTH,
1139 .pretty_printing_style = "normal",
1140 .socket_filter = -1,
1141 .annotation_opts = annotation__default_options,
1142 };
1143 const struct option options[] = {
1144 OPT_STRING('i', "input", &input_name, "file",
1145 "input file name"),
1146 OPT_INCR('v', "verbose", &verbose,
1147 "be more verbose (show symbol address, etc)"),
1148 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
1149 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1150 "dump raw trace in ASCII"),
1151 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"),
1152 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"),
1153 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"),
1154 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1155 "file", "vmlinux pathname"),
1156 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
1157 "don't load vmlinux even if found"),
1158 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1159 "file", "kallsyms pathname"),
1160 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
1161 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
1162 "load module symbols - WARNING: use only with -k and LIVE kernel"),
1163 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
1164 "Show a column with the number of samples"),
1165 OPT_BOOLEAN('T', "threads", &report.show_threads,
1166 "Show per-thread event counters"),
1167 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
1168 "pretty printing style key: normal raw"),
1169 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
1170 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
1171 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
1172 "Use the stdio interface"),
1173 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
1174 OPT_BOOLEAN(0, "header-only", &report.header_only,
1175 "Show only data header."),
1176 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
1177 sort_help("sort by key(s):")),
1178 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
1179 sort_help("output field(s): overhead period sample ")),
1180 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
1181 "Show sample percentage for different cpu modes"),
1182 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
1183 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
1184 OPT_STRING('p', "parent", &parent_pattern, "regex",
1185 "regex filter to identify parent, see: '--sort parent'"),
1186 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
1187 "Only display entries with parent-match"),
1188 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
1189 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
1190 report_callchain_help, &report_parse_callchain_opt,
1191 callchain_default_opt),
1192 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
1193 "Accumulate callchains of children and show total overhead as well. "
1194 "Enabled by default, use --no-children to disable."),
1195 OPT_INTEGER(0, "max-stack", &report.max_stack,
1196 "Set the maximum stack depth when parsing the callchain, "
1197 "anything beyond the specified depth will be ignored. "
1198 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
1199 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
1200 "alias for inverted call graph"),
1201 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
1202 "ignore callees of these functions in call graphs",
1203 report_parse_ignore_callees_opt),
1204 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
1205 "only consider symbols in these dsos"),
1206 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1207 "only consider symbols in these comms"),
1208 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1209 "only consider symbols in these pids"),
1210 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1211 "only consider symbols in these tids"),
1212 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1213 "only consider these symbols"),
1214 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
1215 "only show symbols that (partially) match with this filter"),
1216 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
1217 "width[,width...]",
1218 "don't try to adjust column width, use these fixed values"),
1219 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
1220 "separator for columns, no spaces will be added between "
1221 "columns '.' is reserved."),
1222 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
1223 "Only display entries resolved to a symbol"),
1224 OPT_CALLBACK(0, "symfs", NULL, "directory",
1225 "Look for files with symbols relative to this directory",
1226 symbol__config_symfs),
1227 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
1228 "list of cpus to profile"),
1229 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
1230 "Display extended information about perf.data file"),
1231 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src,
1232 "Interleave source code with assembly code (default)"),
1233 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw,
1234 "Display raw encoding of assembly instructions (default)"),
1235 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style",
1236 "Specify disassembler style (e.g. -M intel for intel syntax)"),
1237 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix",
1238 "Add prefix to source file path names in programs (with --prefix-strip)"),
1239 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N",
1240 "Strip first N entries of source file path name in programs (with --prefix)"),
1241 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
1242 "Show a column with the sum of periods"),
1243 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set,
1244 "Show event group information together"),
1245 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx,
1246 "Sort the output by the event at the index n in group. "
1247 "If n is invalid, sort by the first event. "
1248 "WARNING: should be used on grouped events."),
1249 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
1250 "use branch records for per branch histogram filling",
1251 parse_branch_mode),
1252 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
1253 "add last branch records to call history"),
1254 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path",
1255 "objdump binary to use for disassembly and annotations"),
1256 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
1257 "Disable symbol demangling"),
1258 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
1259 "Enable kernel symbol demangling"),
1260 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
1261 OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
1262 "Number of samples to save per histogram entry for individual browsing"),
1263 OPT_CALLBACK(0, "percent-limit", &report, "percent",
1264 "Don't show entries under that percent", parse_percent_limit),
1265 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
1266 "how to display percentage of filtered entries", parse_filter_percentage),
1267 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1268 "Instruction Tracing options\n" ITRACE_HELP,
1269 itrace_parse_synth_opts),
1270 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1271 "Show full source file name path for source lines"),
1272 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
1273 "Show callgraph from reference event"),
1274 OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr,
1275 "Enable LBR callgraph stitching approach"),
1276 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
1277 "only show processor socket that match with this filter"),
1278 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
1279 "Show raw trace event output (do not use print fmt or plugins)"),
1280 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
1281 "Show entries in a hierarchy"),
1282 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
1283 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
1284 stdio__config_color, "always"),
1285 OPT_STRING(0, "time", &report.time_str, "str",
1286 "Time span of interest (start,stop)"),
1287 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
1288 "Show inline function"),
1289 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period",
1290 "Set percent type local/global-period/hits",
1291 annotate_parse_percent_type),
1292 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"),
1293 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)",
1294 "Set time quantum for time sort key (default 100ms)",
1295 parse_time_quantum),
1296 OPTS_EVSWITCH(&report.evswitch),
1297 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode,
1298 "Sort all blocks by 'Sampled Cycles%'"),
1299 OPT_END()
1300 };
1301 struct perf_data data = {
1302 .mode = PERF_DATA_MODE_READ,
1303 };
1304 int ret = hists__init();
1305 char sort_tmp[128];
1306
1307 if (ret < 0)
1308 return ret;
1309
1310 ret = perf_config(report__config, &report);
1311 if (ret)
1312 return ret;
1313
1314 argc = parse_options(argc, argv, options, report_usage, 0);
1315 if (argc) {
1316 /*
1317 * Special case: if there's an argument left then assume that
1318 * it's a symbol filter:
1319 */
1320 if (argc > 1)
1321 usage_with_options(report_usage, options);
1322
1323 report.symbol_filter_str = argv[0];
1324 }
1325
1326 if (annotate_check_args(&report.annotation_opts) < 0)
1327 return -EINVAL;
1328
1329 if (report.mmaps_mode)
1330 report.tasks_mode = true;
1331
1332 if (dump_trace)
1333 report.tool.ordered_events = false;
1334
1335 if (quiet)
1336 perf_quiet_option();
1337
1338 if (symbol_conf.vmlinux_name &&
1339 access(symbol_conf.vmlinux_name, R_OK)) {
1340 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
1341 return -EINVAL;
1342 }
1343 if (symbol_conf.kallsyms_name &&
1344 access(symbol_conf.kallsyms_name, R_OK)) {
1345 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
1346 return -EINVAL;
1347 }
1348
1349 if (report.inverted_callchain)
1350 callchain_param.order = ORDER_CALLER;
1351 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
1352 callchain_param.order = ORDER_CALLER;
1353
1354 if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
1355 (int)itrace_synth_opts.callchain_sz > report.max_stack)
1356 report.max_stack = itrace_synth_opts.callchain_sz;
1357
1358 if (!input_name || !strlen(input_name)) {
1359 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
1360 input_name = "-";
1361 else
1362 input_name = "perf.data";
1363 }
1364
1365 data.path = input_name;
1366 data.force = symbol_conf.force;
1367
1368 repeat:
1369 session = perf_session__new(&data, false, &report.tool);
1370 if (IS_ERR(session))
1371 return PTR_ERR(session);
1372
1373 ret = evswitch__init(&report.evswitch, session->evlist, stderr);
1374 if (ret)
1375 return ret;
1376
1377 if (zstd_init(&(session->zstd_data), 0) < 0)
1378 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
1379
1380 if (report.queue_size) {
1381 ordered_events__set_alloc_size(&session->ordered_events,
1382 report.queue_size);
1383 }
1384
1385 session->itrace_synth_opts = &itrace_synth_opts;
1386
1387 report.session = session;
1388
1389 has_br_stack = perf_header__has_feat(&session->header,
1390 HEADER_BRANCH_STACK);
1391 if (evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER)
1392 has_br_stack = false;
1393
1394 setup_forced_leader(&report, session->evlist);
1395
1396 if (symbol_conf.group_sort_idx && !session->evlist->nr_groups) {
1397 parse_options_usage(NULL, options, "group-sort-idx", 0);
1398 ret = -EINVAL;
1399 goto error;
1400 }
1401
1402 if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch)
1403 has_br_stack = true;
1404
1405 if (has_br_stack && branch_call_mode)
1406 symbol_conf.show_branchflag_count = true;
1407
1408 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
1409
1410 /*
1411 * Branch mode is a tristate:
1412 * -1 means default, so decide based on the file having branch data.
1413 * 0/1 means the user chose a mode.
1414 */
1415 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
1416 !branch_call_mode) {
1417 sort__mode = SORT_MODE__BRANCH;
1418 symbol_conf.cumulate_callchain = false;
1419 }
1420 if (branch_call_mode) {
1421 callchain_param.key = CCKEY_ADDRESS;
1422 callchain_param.branch_callstack = true;
1423 symbol_conf.use_callchain = true;
1424 callchain_register_param(&callchain_param);
1425 if (sort_order == NULL)
1426 sort_order = "srcline,symbol,dso";
1427 }
1428
1429 if (report.mem_mode) {
1430 if (sort__mode == SORT_MODE__BRANCH) {
1431 pr_err("branch and mem mode incompatible\n");
1432 goto error;
1433 }
1434 sort__mode = SORT_MODE__MEMORY;
1435 symbol_conf.cumulate_callchain = false;
1436 }
1437
1438 if (symbol_conf.report_hierarchy) {
1439 /* disable incompatible options */
1440 symbol_conf.cumulate_callchain = false;
1441
1442 if (field_order) {
1443 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1444 parse_options_usage(report_usage, options, "F", 1);
1445 parse_options_usage(NULL, options, "hierarchy", 0);
1446 goto error;
1447 }
1448
1449 perf_hpp_list.need_collapse = true;
1450 }
1451
1452 if (report.use_stdio)
1453 use_browser = 0;
1454 else if (report.use_tui)
1455 use_browser = 1;
1456 else if (report.use_gtk)
1457 use_browser = 2;
1458
1459 /* Force tty output for header output and per-thread stat. */
1460 if (report.header || report.header_only || report.show_threads)
1461 use_browser = 0;
1462 if (report.header || report.header_only)
1463 report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
1464 if (report.show_full_info)
1465 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
1466 if (report.stats_mode || report.tasks_mode)
1467 use_browser = 0;
1468 if (report.stats_mode && report.tasks_mode) {
1469 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n");
1470 goto error;
1471 }
1472
1473 if (report.total_cycles_mode) {
1474 if (sort__mode != SORT_MODE__BRANCH)
1475 report.total_cycles_mode = false;
1476 else
1477 sort_order = NULL;
1478 }
1479
1480 if (strcmp(input_name, "-") != 0)
1481 setup_browser(true);
1482 else
1483 use_browser = 0;
1484
1485 if (sort_order && strstr(sort_order, "ipc")) {
1486 parse_options_usage(report_usage, options, "s", 1);
1487 goto error;
1488 }
1489
1490 if (sort_order && strstr(sort_order, "symbol")) {
1491 if (sort__mode == SORT_MODE__BRANCH) {
1492 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1493 sort_order, "ipc_lbr");
1494 report.symbol_ipc = true;
1495 } else {
1496 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1497 sort_order, "ipc_null");
1498 }
1499
1500 sort_order = sort_tmp;
1501 }
1502
1503 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) &&
1504 (setup_sorting(session->evlist) < 0)) {
1505 if (sort_order)
1506 parse_options_usage(report_usage, options, "s", 1);
1507 if (field_order)
1508 parse_options_usage(sort_order ? NULL : report_usage,
1509 options, "F", 1);
1510 goto error;
1511 }
1512
1513 if ((report.header || report.header_only) && !quiet) {
1514 perf_session__fprintf_info(session, stdout,
1515 report.show_full_info);
1516 if (report.header_only) {
1517 if (data.is_pipe) {
1518 /*
1519 * we need to process first few records
1520 * which contains PERF_RECORD_HEADER_FEATURE.
1521 */
1522 perf_session__process_events(session);
1523 }
1524 ret = 0;
1525 goto error;
1526 }
1527 } else if (use_browser == 0 && !quiet &&
1528 !report.stats_mode && !report.tasks_mode) {
1529 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1530 stdout);
1531 }
1532
1533 /*
1534 * Only in the TUI browser we are doing integrated annotation,
1535 * so don't allocate extra space that won't be used in the stdio
1536 * implementation.
1537 */
1538 if (ui__has_annotation() || report.symbol_ipc ||
1539 report.total_cycles_mode) {
1540 ret = symbol__annotation_init();
1541 if (ret < 0)
1542 goto error;
1543 /*
1544 * For searching by name on the "Browse map details".
1545 * providing it only in verbose mode not to bloat too
1546 * much struct symbol.
1547 */
1548 if (verbose > 0) {
1549 /*
1550 * XXX: Need to provide a less kludgy way to ask for
1551 * more space per symbol, the u32 is for the index on
1552 * the ui browser.
1553 * See symbol__browser_index.
1554 */
1555 symbol_conf.priv_size += sizeof(u32);
1556 symbol_conf.sort_by_name = true;
1557 }
1558 annotation_config__init(&report.annotation_opts);
1559 }
1560
1561 if (symbol__init(&session->header.env) < 0)
1562 goto error;
1563
1564 if (report.time_str) {
1565 ret = perf_time__parse_for_ranges(report.time_str, session,
1566 &report.ptime_range,
1567 &report.range_size,
1568 &report.range_num);
1569 if (ret < 0)
1570 goto error;
1571
1572 itrace_synth_opts__set_time_range(&itrace_synth_opts,
1573 report.ptime_range,
1574 report.range_num);
1575 }
1576
1577 if (session->tevent.pevent &&
1578 tep_set_function_resolver(session->tevent.pevent,
1579 machine__resolve_kernel_addr,
1580 &session->machines.host) < 0) {
1581 pr_err("%s: failed to set libtraceevent function resolver\n",
1582 __func__);
1583 return -1;
1584 }
1585
1586 sort__setup_elide(stdout);
1587
1588 ret = __cmd_report(&report);
1589 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) {
1590 perf_session__delete(session);
1591 last_key = K_SWITCH_INPUT_DATA;
1592 goto repeat;
1593 } else
1594 ret = 0;
1595
1596 error:
1597 if (report.ptime_range) {
1598 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
1599 zfree(&report.ptime_range);
1600 }
1601
1602 if (report.block_reports) {
1603 block_info__free_report(report.block_reports,
1604 report.nr_block_reports);
1605 report.block_reports = NULL;
1606 }
1607
1608 zstd_fini(&(session->zstd_data));
1609 perf_session__delete(session);
1610 return ret;
1611 }
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