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