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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / tools / perf / builtin-report.c
blob26d8fc27e427ef1a95d6dc84786b106712f769ca
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/branch.h"
51 #include "util/util.h" // perf_tip()
52 #include "ui/ui.h"
53 #include "ui/progress.h"
54 #include "util/block-info.h"
55
56 #include <dlfcn.h>
57 #include <errno.h>
58 #include <inttypes.h>
59 #include <regex.h>
60 #include <linux/ctype.h>
61 #include <signal.h>
62 #include <linux/bitmap.h>
63 #include <linux/string.h>
64 #include <linux/stringify.h>
65 #include <linux/time64.h>
66 #include <sys/types.h>
67 #include <sys/stat.h>
68 #include <unistd.h>
69 #include <linux/mman.h>
70
71 struct report {
72 struct perf_tool tool;
73 struct perf_session *session;
74 struct evswitch evswitch;
75 bool use_tui, use_gtk, use_stdio;
76 bool show_full_info;
77 bool show_threads;
78 bool inverted_callchain;
79 bool mem_mode;
80 bool stats_mode;
81 bool tasks_mode;
82 bool mmaps_mode;
83 bool header;
84 bool header_only;
85 bool nonany_branch_mode;
86 bool group_set;
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 (symbol_conf.hide_unresolved && al.sym == NULL)
271 goto out_put;
272
273 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
274 goto out_put;
275
276 if (sort__mode == SORT_MODE__BRANCH) {
277 /*
278 * A non-synthesized event might not have a branch stack if
279 * branch stacks have been synthesized (using itrace options).
280 */
281 if (!sample->branch_stack)
282 goto out_put;
283
284 iter.add_entry_cb = hist_iter__branch_callback;
285 iter.ops = &hist_iter_branch;
286 } else if (rep->mem_mode) {
287 iter.ops = &hist_iter_mem;
288 } else if (symbol_conf.cumulate_callchain) {
289 iter.ops = &hist_iter_cumulative;
290 } else {
291 iter.ops = &hist_iter_normal;
292 }
293
294 if (al.map != NULL)
295 al.map->dso->hit = 1;
296
297 if (ui__has_annotation() || rep->symbol_ipc || rep->total_cycles_mode) {
298 hist__account_cycles(sample->branch_stack, &al, sample,
299 rep->nonany_branch_mode,
300 &rep->total_cycles);
301 }
302
303 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
304 if (ret < 0)
305 pr_debug("problem adding hist entry, skipping event\n");
306 out_put:
307 addr_location__put(&al);
308 return ret;
309 }
310
311 static int process_read_event(struct perf_tool *tool,
312 union perf_event *event,
313 struct perf_sample *sample __maybe_unused,
314 struct evsel *evsel,
315 struct machine *machine __maybe_unused)
316 {
317 struct report *rep = container_of(tool, struct report, tool);
318
319 if (rep->show_threads) {
320 const char *name = perf_evsel__name(evsel);
321 int err = perf_read_values_add_value(&rep->show_threads_values,
322 event->read.pid, event->read.tid,
323 evsel->idx,
324 name,
325 event->read.value);
326
327 if (err)
328 return err;
329 }
330
331 return 0;
332 }
333
334 /* For pipe mode, sample_type is not currently set */
335 static int report__setup_sample_type(struct report *rep)
336 {
337 struct perf_session *session = rep->session;
338 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
339 bool is_pipe = perf_data__is_pipe(session->data);
340
341 if (session->itrace_synth_opts->callchain ||
342 (!is_pipe &&
343 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
344 !session->itrace_synth_opts->set))
345 sample_type |= PERF_SAMPLE_CALLCHAIN;
346
347 if (session->itrace_synth_opts->last_branch)
348 sample_type |= PERF_SAMPLE_BRANCH_STACK;
349
350 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
351 if (perf_hpp_list.parent) {
352 ui__error("Selected --sort parent, but no "
353 "callchain data. Did you call "
354 "'perf record' without -g?\n");
355 return -EINVAL;
356 }
357 if (symbol_conf.use_callchain &&
358 !symbol_conf.show_branchflag_count) {
359 ui__error("Selected -g or --branch-history.\n"
360 "But no callchain or branch data.\n"
361 "Did you call 'perf record' without -g or -b?\n");
362 return -1;
363 }
364 } else if (!callchain_param.enabled &&
365 callchain_param.mode != CHAIN_NONE &&
366 !symbol_conf.use_callchain) {
367 symbol_conf.use_callchain = true;
368 if (callchain_register_param(&callchain_param) < 0) {
369 ui__error("Can't register callchain params.\n");
370 return -EINVAL;
371 }
372 }
373
374 if (symbol_conf.cumulate_callchain) {
375 /* Silently ignore if callchain is missing */
376 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
377 symbol_conf.cumulate_callchain = false;
378 perf_hpp__cancel_cumulate();
379 }
380 }
381
382 if (sort__mode == SORT_MODE__BRANCH) {
383 if (!is_pipe &&
384 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
385 ui__error("Selected -b but no branch data. "
386 "Did you call perf record without -b?\n");
387 return -1;
388 }
389 }
390
391 if (sort__mode == SORT_MODE__MEMORY) {
392 if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) {
393 ui__error("Selected --mem-mode but no mem data. "
394 "Did you call perf record without -d?\n");
395 return -1;
396 }
397 }
398
399 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
400 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
401 (sample_type & PERF_SAMPLE_STACK_USER)) {
402 callchain_param.record_mode = CALLCHAIN_DWARF;
403 dwarf_callchain_users = true;
404 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
405 callchain_param.record_mode = CALLCHAIN_LBR;
406 else
407 callchain_param.record_mode = CALLCHAIN_FP;
408 }
409
410 /* ??? handle more cases than just ANY? */
411 if (!(perf_evlist__combined_branch_type(session->evlist) &
412 PERF_SAMPLE_BRANCH_ANY))
413 rep->nonany_branch_mode = true;
414
415 #if !defined(HAVE_LIBUNWIND_SUPPORT) && !defined(HAVE_DWARF_SUPPORT)
416 if (dwarf_callchain_users) {
417 ui__warning("Please install libunwind or libdw "
418 "development packages during the perf build.\n");
419 }
420 #endif
421
422 return 0;
423 }
424
425 static void sig_handler(int sig __maybe_unused)
426 {
427 session_done = 1;
428 }
429
430 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
431 const char *evname, FILE *fp)
432 {
433 size_t ret;
434 char unit;
435 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
436 u64 nr_events = hists->stats.total_period;
437 struct evsel *evsel = hists_to_evsel(hists);
438 char buf[512];
439 size_t size = sizeof(buf);
440 int socked_id = hists->socket_filter;
441
442 if (quiet)
443 return 0;
444
445 if (symbol_conf.filter_relative) {
446 nr_samples = hists->stats.nr_non_filtered_samples;
447 nr_events = hists->stats.total_non_filtered_period;
448 }
449
450 if (perf_evsel__is_group_event(evsel)) {
451 struct evsel *pos;
452
453 perf_evsel__group_desc(evsel, buf, size);
454 evname = buf;
455
456 for_each_group_member(pos, evsel) {
457 const struct hists *pos_hists = evsel__hists(pos);
458
459 if (symbol_conf.filter_relative) {
460 nr_samples += pos_hists->stats.nr_non_filtered_samples;
461 nr_events += pos_hists->stats.total_non_filtered_period;
462 } else {
463 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
464 nr_events += pos_hists->stats.total_period;
465 }
466 }
467 }
468
469 nr_samples = convert_unit(nr_samples, &unit);
470 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
471 if (evname != NULL) {
472 ret += fprintf(fp, " of event%s '%s'",
473 evsel->core.nr_members > 1 ? "s" : "", evname);
474 }
475
476 if (rep->time_str)
477 ret += fprintf(fp, " (time slices: %s)", rep->time_str);
478
479 if (symbol_conf.show_ref_callgraph &&
480 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 perf_evlist__tui_block_hists_browse(struct evlist *evlist,
497 struct report *rep)
498 {
499 struct evsel *pos;
500 int i = 0, ret;
501
502 evlist__for_each_entry(evlist, pos) {
503 ret = report__browse_block_hists(&rep->block_reports[i++].hist,
504 rep->min_percent, pos,
505 &rep->session->header.env,
506 &rep->annotation_opts);
507 if (ret != 0)
508 return ret;
509 }
510
511 return 0;
512 }
513
514 static int perf_evlist__tty_browse_hists(struct evlist *evlist,
515 struct report *rep,
516 const char *help)
517 {
518 struct evsel *pos;
519 int i = 0;
520
521 if (!quiet) {
522 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
523 evlist->stats.total_lost_samples);
524 }
525
526 evlist__for_each_entry(evlist, pos) {
527 struct hists *hists = evsel__hists(pos);
528 const char *evname = perf_evsel__name(pos);
529
530 if (symbol_conf.event_group &&
531 !perf_evsel__is_group_leader(pos))
532 continue;
533
534 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
535
536 if (rep->total_cycles_mode) {
537 report__browse_block_hists(&rep->block_reports[i++].hist,
538 rep->min_percent, pos,
539 NULL, NULL);
540 continue;
541 }
542
543 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
544 !(symbol_conf.use_callchain ||
545 symbol_conf.show_branchflag_count));
546 fprintf(stdout, "\n\n");
547 }
548
549 if (!quiet)
550 fprintf(stdout, "#\n# (%s)\n#\n", help);
551
552 if (rep->show_threads) {
553 bool style = !strcmp(rep->pretty_printing_style, "raw");
554 perf_read_values_display(stdout, &rep->show_threads_values,
555 style);
556 perf_read_values_destroy(&rep->show_threads_values);
557 }
558
559 if (sort__mode == SORT_MODE__BRANCH)
560 branch_type_stat_display(stdout, &rep->brtype_stat);
561
562 return 0;
563 }
564
565 static void report__warn_kptr_restrict(const struct report *rep)
566 {
567 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
568 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
569
570 if (perf_evlist__exclude_kernel(rep->session->evlist))
571 return;
572
573 if (kernel_map == NULL ||
574 (kernel_map->dso->hit &&
575 (kernel_kmap->ref_reloc_sym == NULL ||
576 kernel_kmap->ref_reloc_sym->addr == 0))) {
577 const char *desc =
578 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
579 "can't be resolved.";
580
581 if (kernel_map && map__has_symbols(kernel_map)) {
582 desc = "If some relocation was applied (e.g. "
583 "kexec) symbols may be misresolved.";
584 }
585
586 ui__warning(
587 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
588 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
589 "Samples in kernel modules can't be resolved as well.\n\n",
590 desc);
591 }
592 }
593
594 static int report__gtk_browse_hists(struct report *rep, const char *help)
595 {
596 int (*hist_browser)(struct evlist *evlist, const char *help,
597 struct hist_browser_timer *timer, float min_pcnt);
598
599 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
600
601 if (hist_browser == NULL) {
602 ui__error("GTK browser not found!\n");
603 return -1;
604 }
605
606 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
607 }
608
609 static int report__browse_hists(struct report *rep)
610 {
611 int ret;
612 struct perf_session *session = rep->session;
613 struct evlist *evlist = session->evlist;
614 const char *help = perf_tip(system_path(TIPDIR));
615
616 if (help == NULL) {
617 /* fallback for people who don't install perf ;-) */
618 help = perf_tip(DOCDIR);
619 if (help == NULL)
620 help = "Cannot load tips.txt file, please install perf!";
621 }
622
623 switch (use_browser) {
624 case 1:
625 if (rep->total_cycles_mode) {
626 ret = perf_evlist__tui_block_hists_browse(evlist, rep);
627 break;
628 }
629
630 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
631 rep->min_percent,
632 &session->header.env,
633 true, &rep->annotation_opts);
634 /*
635 * Usually "ret" is the last pressed key, and we only
636 * care if the key notifies us to switch data file.
637 */
638 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD)
639 ret = 0;
640 break;
641 case 2:
642 ret = report__gtk_browse_hists(rep, help);
643 break;
644 default:
645 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
646 break;
647 }
648
649 return ret;
650 }
651
652 static int report__collapse_hists(struct report *rep)
653 {
654 struct ui_progress prog;
655 struct evsel *pos;
656 int ret = 0;
657
658 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
659
660 evlist__for_each_entry(rep->session->evlist, pos) {
661 struct hists *hists = evsel__hists(pos);
662
663 if (pos->idx == 0)
664 hists->symbol_filter_str = rep->symbol_filter_str;
665
666 hists->socket_filter = rep->socket_filter;
667
668 ret = hists__collapse_resort(hists, &prog);
669 if (ret < 0)
670 break;
671
672 /* Non-group events are considered as leader */
673 if (symbol_conf.event_group &&
674 !perf_evsel__is_group_leader(pos)) {
675 struct hists *leader_hists = evsel__hists(pos->leader);
676
677 hists__match(leader_hists, hists);
678 hists__link(leader_hists, hists);
679 }
680 }
681
682 ui_progress__finish();
683 return ret;
684 }
685
686 static int hists__resort_cb(struct hist_entry *he, void *arg)
687 {
688 struct report *rep = arg;
689 struct symbol *sym = he->ms.sym;
690
691 if (rep->symbol_ipc && sym && !sym->annotate2) {
692 struct evsel *evsel = hists_to_evsel(he->hists);
693
694 symbol__annotate2(&he->ms, evsel,
695 &annotation__default_options, NULL);
696 }
697
698 return 0;
699 }
700
701 static void report__output_resort(struct report *rep)
702 {
703 struct ui_progress prog;
704 struct evsel *pos;
705
706 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
707
708 evlist__for_each_entry(rep->session->evlist, pos) {
709 perf_evsel__output_resort_cb(pos, &prog,
710 hists__resort_cb, rep);
711 }
712
713 ui_progress__finish();
714 }
715
716 static void stats_setup(struct report *rep)
717 {
718 memset(&rep->tool, 0, sizeof(rep->tool));
719 rep->tool.no_warn = true;
720 }
721
722 static int stats_print(struct report *rep)
723 {
724 struct perf_session *session = rep->session;
725
726 perf_session__fprintf_nr_events(session, stdout);
727 return 0;
728 }
729
730 static void tasks_setup(struct report *rep)
731 {
732 memset(&rep->tool, 0, sizeof(rep->tool));
733 rep->tool.ordered_events = true;
734 if (rep->mmaps_mode) {
735 rep->tool.mmap = perf_event__process_mmap;
736 rep->tool.mmap2 = perf_event__process_mmap2;
737 }
738 rep->tool.comm = perf_event__process_comm;
739 rep->tool.exit = perf_event__process_exit;
740 rep->tool.fork = perf_event__process_fork;
741 rep->tool.no_warn = true;
742 }
743
744 struct task {
745 struct thread *thread;
746 struct list_head list;
747 struct list_head children;
748 };
749
750 static struct task *tasks_list(struct task *task, struct machine *machine)
751 {
752 struct thread *parent_thread, *thread = task->thread;
753 struct task *parent_task;
754
755 /* Already listed. */
756 if (!list_empty(&task->list))
757 return NULL;
758
759 /* Last one in the chain. */
760 if (thread->ppid == -1)
761 return task;
762
763 parent_thread = machine__find_thread(machine, -1, thread->ppid);
764 if (!parent_thread)
765 return ERR_PTR(-ENOENT);
766
767 parent_task = thread__priv(parent_thread);
768 list_add_tail(&task->list, &parent_task->children);
769 return tasks_list(parent_task, machine);
770 }
771
772 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp)
773 {
774 size_t printed = 0;
775 struct map *map;
776
777 maps__for_each_entry(maps, map) {
778 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n",
779 indent, "", map->start, map->end,
780 map->prot & PROT_READ ? 'r' : '-',
781 map->prot & PROT_WRITE ? 'w' : '-',
782 map->prot & PROT_EXEC ? 'x' : '-',
783 map->flags & MAP_SHARED ? 's' : 'p',
784 map->pgoff,
785 map->dso->id.ino, map->dso->name);
786 }
787
788 return printed;
789 }
790
791 static void task__print_level(struct task *task, FILE *fp, int level)
792 {
793 struct thread *thread = task->thread;
794 struct task *child;
795 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s",
796 thread->pid_, thread->tid, thread->ppid,
797 level, "");
798
799 fprintf(fp, "%s\n", thread__comm_str(thread));
800
801 maps__fprintf_task(thread->maps, comm_indent, fp);
802
803 if (!list_empty(&task->children)) {
804 list_for_each_entry(child, &task->children, list)
805 task__print_level(child, fp, level + 1);
806 }
807 }
808
809 static int tasks_print(struct report *rep, FILE *fp)
810 {
811 struct perf_session *session = rep->session;
812 struct machine *machine = &session->machines.host;
813 struct task *tasks, *task;
814 unsigned int nr = 0, itask = 0, i;
815 struct rb_node *nd;
816 LIST_HEAD(list);
817
818 /*
819 * No locking needed while accessing machine->threads,
820 * because --tasks is single threaded command.
821 */
822
823 /* Count all the threads. */
824 for (i = 0; i < THREADS__TABLE_SIZE; i++)
825 nr += machine->threads[i].nr;
826
827 tasks = malloc(sizeof(*tasks) * nr);
828 if (!tasks)
829 return -ENOMEM;
830
831 for (i = 0; i < THREADS__TABLE_SIZE; i++) {
832 struct threads *threads = &machine->threads[i];
833
834 for (nd = rb_first_cached(&threads->entries); nd;
835 nd = rb_next(nd)) {
836 task = tasks + itask++;
837
838 task->thread = rb_entry(nd, struct thread, rb_node);
839 INIT_LIST_HEAD(&task->children);
840 INIT_LIST_HEAD(&task->list);
841 thread__set_priv(task->thread, task);
842 }
843 }
844
845 /*
846 * Iterate every task down to the unprocessed parent
847 * and link all in task children list. Task with no
848 * parent is added into 'list'.
849 */
850 for (itask = 0; itask < nr; itask++) {
851 task = tasks + itask;
852
853 if (!list_empty(&task->list))
854 continue;
855
856 task = tasks_list(task, machine);
857 if (IS_ERR(task)) {
858 pr_err("Error: failed to process tasks\n");
859 free(tasks);
860 return PTR_ERR(task);
861 }
862
863 if (task)
864 list_add_tail(&task->list, &list);
865 }
866
867 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm");
868
869 list_for_each_entry(task, &list, list)
870 task__print_level(task, fp, 0);
871
872 free(tasks);
873 return 0;
874 }
875
876 static int __cmd_report(struct report *rep)
877 {
878 int ret;
879 struct perf_session *session = rep->session;
880 struct evsel *pos;
881 struct perf_data *data = session->data;
882
883 signal(SIGINT, sig_handler);
884
885 if (rep->cpu_list) {
886 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
887 rep->cpu_bitmap);
888 if (ret) {
889 ui__error("failed to set cpu bitmap\n");
890 return ret;
891 }
892 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap;
893 }
894
895 if (rep->show_threads) {
896 ret = perf_read_values_init(&rep->show_threads_values);
897 if (ret)
898 return ret;
899 }
900
901 ret = report__setup_sample_type(rep);
902 if (ret) {
903 /* report__setup_sample_type() already showed error message */
904 return ret;
905 }
906
907 if (rep->stats_mode)
908 stats_setup(rep);
909
910 if (rep->tasks_mode)
911 tasks_setup(rep);
912
913 ret = perf_session__process_events(session);
914 if (ret) {
915 ui__error("failed to process sample\n");
916 return ret;
917 }
918
919 if (rep->stats_mode)
920 return stats_print(rep);
921
922 if (rep->tasks_mode)
923 return tasks_print(rep, stdout);
924
925 report__warn_kptr_restrict(rep);
926
927 evlist__for_each_entry(session->evlist, pos)
928 rep->nr_entries += evsel__hists(pos)->nr_entries;
929
930 if (use_browser == 0) {
931 if (verbose > 3)
932 perf_session__fprintf(session, stdout);
933
934 if (verbose > 2)
935 perf_session__fprintf_dsos(session, stdout);
936
937 if (dump_trace) {
938 perf_session__fprintf_nr_events(session, stdout);
939 perf_evlist__fprintf_nr_events(session->evlist, stdout);
940 return 0;
941 }
942 }
943
944 ret = report__collapse_hists(rep);
945 if (ret) {
946 ui__error("failed to process hist entry\n");
947 return ret;
948 }
949
950 if (session_done())
951 return 0;
952
953 /*
954 * recalculate number of entries after collapsing since it
955 * might be changed during the collapse phase.
956 */
957 rep->nr_entries = 0;
958 evlist__for_each_entry(session->evlist, pos)
959 rep->nr_entries += evsel__hists(pos)->nr_entries;
960
961 if (rep->nr_entries == 0) {
962 ui__error("The %s data has no samples!\n", data->path);
963 return 0;
964 }
965
966 report__output_resort(rep);
967
968 if (rep->total_cycles_mode) {
969 int block_hpps[6] = {
970 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT,
971 PERF_HPP_REPORT__BLOCK_LBR_CYCLES,
972 PERF_HPP_REPORT__BLOCK_CYCLES_PCT,
973 PERF_HPP_REPORT__BLOCK_AVG_CYCLES,
974 PERF_HPP_REPORT__BLOCK_RANGE,
975 PERF_HPP_REPORT__BLOCK_DSO,
976 };
977
978 rep->block_reports = block_info__create_report(session->evlist,
979 rep->total_cycles,
980 block_hpps, 6,
981 &rep->nr_block_reports);
982 if (!rep->block_reports)
983 return -1;
984 }
985
986 return report__browse_hists(rep);
987 }
988
989 static int
990 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
991 {
992 struct callchain_param *callchain = opt->value;
993
994 callchain->enabled = !unset;
995 /*
996 * --no-call-graph
997 */
998 if (unset) {
999 symbol_conf.use_callchain = false;
1000 callchain->mode = CHAIN_NONE;
1001 return 0;
1002 }
1003
1004 return parse_callchain_report_opt(arg);
1005 }
1006
1007 static int
1008 parse_time_quantum(const struct option *opt, const char *arg,
1009 int unset __maybe_unused)
1010 {
1011 unsigned long *time_q = opt->value;
1012 char *end;
1013
1014 *time_q = strtoul(arg, &end, 0);
1015 if (end == arg)
1016 goto parse_err;
1017 if (*time_q == 0) {
1018 pr_err("time quantum cannot be 0");
1019 return -1;
1020 }
1021 end = skip_spaces(end);
1022 if (*end == 0)
1023 return 0;
1024 if (!strcmp(end, "s")) {
1025 *time_q *= NSEC_PER_SEC;
1026 return 0;
1027 }
1028 if (!strcmp(end, "ms")) {
1029 *time_q *= NSEC_PER_MSEC;
1030 return 0;
1031 }
1032 if (!strcmp(end, "us")) {
1033 *time_q *= NSEC_PER_USEC;
1034 return 0;
1035 }
1036 if (!strcmp(end, "ns"))
1037 return 0;
1038 parse_err:
1039 pr_err("Cannot parse time quantum `%s'\n", arg);
1040 return -1;
1041 }
1042
1043 int
1044 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
1045 const char *arg, int unset __maybe_unused)
1046 {
1047 if (arg) {
1048 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
1049 if (err) {
1050 char buf[BUFSIZ];
1051 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
1052 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
1053 return -1;
1054 }
1055 have_ignore_callees = 1;
1056 }
1057
1058 return 0;
1059 }
1060
1061 static int
1062 parse_branch_mode(const struct option *opt,
1063 const char *str __maybe_unused, int unset)
1064 {
1065 int *branch_mode = opt->value;
1066
1067 *branch_mode = !unset;
1068 return 0;
1069 }
1070
1071 static int
1072 parse_percent_limit(const struct option *opt, const char *str,
1073 int unset __maybe_unused)
1074 {
1075 struct report *rep = opt->value;
1076 double pcnt = strtof(str, NULL);
1077
1078 rep->min_percent = pcnt;
1079 callchain_param.min_percent = pcnt;
1080 return 0;
1081 }
1082
1083 int cmd_report(int argc, const char **argv)
1084 {
1085 struct perf_session *session;
1086 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
1087 struct stat st;
1088 bool has_br_stack = false;
1089 int branch_mode = -1;
1090 int last_key = 0;
1091 bool branch_call_mode = false;
1092 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
1093 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
1094 CALLCHAIN_REPORT_HELP
1095 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
1096 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
1097 const char * const report_usage[] = {
1098 "perf report [<options>]",
1099 NULL
1100 };
1101 struct report report = {
1102 .tool = {
1103 .sample = process_sample_event,
1104 .mmap = perf_event__process_mmap,
1105 .mmap2 = perf_event__process_mmap2,
1106 .comm = perf_event__process_comm,
1107 .namespaces = perf_event__process_namespaces,
1108 .cgroup = perf_event__process_cgroup,
1109 .exit = perf_event__process_exit,
1110 .fork = perf_event__process_fork,
1111 .lost = perf_event__process_lost,
1112 .read = process_read_event,
1113 .attr = perf_event__process_attr,
1114 .tracing_data = perf_event__process_tracing_data,
1115 .build_id = perf_event__process_build_id,
1116 .id_index = perf_event__process_id_index,
1117 .auxtrace_info = perf_event__process_auxtrace_info,
1118 .auxtrace = perf_event__process_auxtrace,
1119 .event_update = perf_event__process_event_update,
1120 .feature = process_feature_event,
1121 .ordered_events = true,
1122 .ordering_requires_timestamps = true,
1123 },
1124 .max_stack = PERF_MAX_STACK_DEPTH,
1125 .pretty_printing_style = "normal",
1126 .socket_filter = -1,
1127 .annotation_opts = annotation__default_options,
1128 };
1129 const struct option options[] = {
1130 OPT_STRING('i', "input", &input_name, "file",
1131 "input file name"),
1132 OPT_INCR('v', "verbose", &verbose,
1133 "be more verbose (show symbol address, etc)"),
1134 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
1135 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1136 "dump raw trace in ASCII"),
1137 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"),
1138 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"),
1139 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"),
1140 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1141 "file", "vmlinux pathname"),
1142 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
1143 "don't load vmlinux even if found"),
1144 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1145 "file", "kallsyms pathname"),
1146 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
1147 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
1148 "load module symbols - WARNING: use only with -k and LIVE kernel"),
1149 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
1150 "Show a column with the number of samples"),
1151 OPT_BOOLEAN('T', "threads", &report.show_threads,
1152 "Show per-thread event counters"),
1153 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
1154 "pretty printing style key: normal raw"),
1155 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
1156 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
1157 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
1158 "Use the stdio interface"),
1159 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
1160 OPT_BOOLEAN(0, "header-only", &report.header_only,
1161 "Show only data header."),
1162 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
1163 sort_help("sort by key(s):")),
1164 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
1165 sort_help("output field(s): overhead period sample ")),
1166 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
1167 "Show sample percentage for different cpu modes"),
1168 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
1169 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
1170 OPT_STRING('p', "parent", &parent_pattern, "regex",
1171 "regex filter to identify parent, see: '--sort parent'"),
1172 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
1173 "Only display entries with parent-match"),
1174 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
1175 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
1176 report_callchain_help, &report_parse_callchain_opt,
1177 callchain_default_opt),
1178 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
1179 "Accumulate callchains of children and show total overhead as well. "
1180 "Enabled by default, use --no-children to disable."),
1181 OPT_INTEGER(0, "max-stack", &report.max_stack,
1182 "Set the maximum stack depth when parsing the callchain, "
1183 "anything beyond the specified depth will be ignored. "
1184 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
1185 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
1186 "alias for inverted call graph"),
1187 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
1188 "ignore callees of these functions in call graphs",
1189 report_parse_ignore_callees_opt),
1190 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
1191 "only consider symbols in these dsos"),
1192 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1193 "only consider symbols in these comms"),
1194 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1195 "only consider symbols in these pids"),
1196 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1197 "only consider symbols in these tids"),
1198 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1199 "only consider these symbols"),
1200 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
1201 "only show symbols that (partially) match with this filter"),
1202 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
1203 "width[,width...]",
1204 "don't try to adjust column width, use these fixed values"),
1205 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
1206 "separator for columns, no spaces will be added between "
1207 "columns '.' is reserved."),
1208 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
1209 "Only display entries resolved to a symbol"),
1210 OPT_CALLBACK(0, "symfs", NULL, "directory",
1211 "Look for files with symbols relative to this directory",
1212 symbol__config_symfs),
1213 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
1214 "list of cpus to profile"),
1215 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
1216 "Display extended information about perf.data file"),
1217 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src,
1218 "Interleave source code with assembly code (default)"),
1219 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw,
1220 "Display raw encoding of assembly instructions (default)"),
1221 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style",
1222 "Specify disassembler style (e.g. -M intel for intel syntax)"),
1223 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix",
1224 "Add prefix to source file path names in programs (with --prefix-strip)"),
1225 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N",
1226 "Strip first N entries of source file path name in programs (with --prefix)"),
1227 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
1228 "Show a column with the sum of periods"),
1229 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set,
1230 "Show event group information together"),
1231 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx,
1232 "Sort the output by the event at the index n in group. "
1233 "If n is invalid, sort by the first event. "
1234 "WARNING: should be used on grouped events."),
1235 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
1236 "use branch records for per branch histogram filling",
1237 parse_branch_mode),
1238 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
1239 "add last branch records to call history"),
1240 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path",
1241 "objdump binary to use for disassembly and annotations"),
1242 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
1243 "Disable symbol demangling"),
1244 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
1245 "Enable kernel symbol demangling"),
1246 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
1247 OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
1248 "Number of samples to save per histogram entry for individual browsing"),
1249 OPT_CALLBACK(0, "percent-limit", &report, "percent",
1250 "Don't show entries under that percent", parse_percent_limit),
1251 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
1252 "how to display percentage of filtered entries", parse_filter_percentage),
1253 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1254 "Instruction Tracing options\n" ITRACE_HELP,
1255 itrace_parse_synth_opts),
1256 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1257 "Show full source file name path for source lines"),
1258 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
1259 "Show callgraph from reference event"),
1260 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
1261 "only show processor socket that match with this filter"),
1262 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
1263 "Show raw trace event output (do not use print fmt or plugins)"),
1264 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
1265 "Show entries in a hierarchy"),
1266 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
1267 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
1268 stdio__config_color, "always"),
1269 OPT_STRING(0, "time", &report.time_str, "str",
1270 "Time span of interest (start,stop)"),
1271 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
1272 "Show inline function"),
1273 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period",
1274 "Set percent type local/global-period/hits",
1275 annotate_parse_percent_type),
1276 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"),
1277 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)",
1278 "Set time quantum for time sort key (default 100ms)",
1279 parse_time_quantum),
1280 OPTS_EVSWITCH(&report.evswitch),
1281 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode,
1282 "Sort all blocks by 'Sampled Cycles%'"),
1283 OPT_END()
1284 };
1285 struct perf_data data = {
1286 .mode = PERF_DATA_MODE_READ,
1287 };
1288 int ret = hists__init();
1289 char sort_tmp[128];
1290
1291 if (ret < 0)
1292 return ret;
1293
1294 ret = perf_config(report__config, &report);
1295 if (ret)
1296 return ret;
1297
1298 argc = parse_options(argc, argv, options, report_usage, 0);
1299 if (argc) {
1300 /*
1301 * Special case: if there's an argument left then assume that
1302 * it's a symbol filter:
1303 */
1304 if (argc > 1)
1305 usage_with_options(report_usage, options);
1306
1307 report.symbol_filter_str = argv[0];
1308 }
1309
1310 if (annotate_check_args(&report.annotation_opts) < 0)
1311 return -EINVAL;
1312
1313 if (report.mmaps_mode)
1314 report.tasks_mode = true;
1315
1316 if (quiet)
1317 perf_quiet_option();
1318
1319 if (symbol_conf.vmlinux_name &&
1320 access(symbol_conf.vmlinux_name, R_OK)) {
1321 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
1322 return -EINVAL;
1323 }
1324 if (symbol_conf.kallsyms_name &&
1325 access(symbol_conf.kallsyms_name, R_OK)) {
1326 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
1327 return -EINVAL;
1328 }
1329
1330 if (report.inverted_callchain)
1331 callchain_param.order = ORDER_CALLER;
1332 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
1333 callchain_param.order = ORDER_CALLER;
1334
1335 if (itrace_synth_opts.callchain &&
1336 (int)itrace_synth_opts.callchain_sz > report.max_stack)
1337 report.max_stack = itrace_synth_opts.callchain_sz;
1338
1339 if (!input_name || !strlen(input_name)) {
1340 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
1341 input_name = "-";
1342 else
1343 input_name = "perf.data";
1344 }
1345
1346 data.path = input_name;
1347 data.force = symbol_conf.force;
1348
1349 repeat:
1350 session = perf_session__new(&data, false, &report.tool);
1351 if (IS_ERR(session))
1352 return PTR_ERR(session);
1353
1354 ret = evswitch__init(&report.evswitch, session->evlist, stderr);
1355 if (ret)
1356 return ret;
1357
1358 if (zstd_init(&(session->zstd_data), 0) < 0)
1359 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
1360
1361 if (report.queue_size) {
1362 ordered_events__set_alloc_size(&session->ordered_events,
1363 report.queue_size);
1364 }
1365
1366 session->itrace_synth_opts = &itrace_synth_opts;
1367
1368 report.session = session;
1369
1370 has_br_stack = perf_header__has_feat(&session->header,
1371 HEADER_BRANCH_STACK);
1372 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER)
1373 has_br_stack = false;
1374
1375 setup_forced_leader(&report, session->evlist);
1376
1377 if (symbol_conf.group_sort_idx && !session->evlist->nr_groups) {
1378 parse_options_usage(NULL, options, "group-sort-idx", 0);
1379 ret = -EINVAL;
1380 goto error;
1381 }
1382
1383 if (itrace_synth_opts.last_branch)
1384 has_br_stack = true;
1385
1386 if (has_br_stack && branch_call_mode)
1387 symbol_conf.show_branchflag_count = true;
1388
1389 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
1390
1391 /*
1392 * Branch mode is a tristate:
1393 * -1 means default, so decide based on the file having branch data.
1394 * 0/1 means the user chose a mode.
1395 */
1396 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
1397 !branch_call_mode) {
1398 sort__mode = SORT_MODE__BRANCH;
1399 symbol_conf.cumulate_callchain = false;
1400 }
1401 if (branch_call_mode) {
1402 callchain_param.key = CCKEY_ADDRESS;
1403 callchain_param.branch_callstack = 1;
1404 symbol_conf.use_callchain = true;
1405 callchain_register_param(&callchain_param);
1406 if (sort_order == NULL)
1407 sort_order = "srcline,symbol,dso";
1408 }
1409
1410 if (report.mem_mode) {
1411 if (sort__mode == SORT_MODE__BRANCH) {
1412 pr_err("branch and mem mode incompatible\n");
1413 goto error;
1414 }
1415 sort__mode = SORT_MODE__MEMORY;
1416 symbol_conf.cumulate_callchain = false;
1417 }
1418
1419 if (symbol_conf.report_hierarchy) {
1420 /* disable incompatible options */
1421 symbol_conf.cumulate_callchain = false;
1422
1423 if (field_order) {
1424 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1425 parse_options_usage(report_usage, options, "F", 1);
1426 parse_options_usage(NULL, options, "hierarchy", 0);
1427 goto error;
1428 }
1429
1430 perf_hpp_list.need_collapse = true;
1431 }
1432
1433 if (report.use_stdio)
1434 use_browser = 0;
1435 else if (report.use_tui)
1436 use_browser = 1;
1437 else if (report.use_gtk)
1438 use_browser = 2;
1439
1440 /* Force tty output for header output and per-thread stat. */
1441 if (report.header || report.header_only || report.show_threads)
1442 use_browser = 0;
1443 if (report.header || report.header_only)
1444 report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
1445 if (report.show_full_info)
1446 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
1447 if (report.stats_mode || report.tasks_mode)
1448 use_browser = 0;
1449 if (report.stats_mode && report.tasks_mode) {
1450 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n");
1451 goto error;
1452 }
1453
1454 if (report.total_cycles_mode) {
1455 if (sort__mode != SORT_MODE__BRANCH)
1456 report.total_cycles_mode = false;
1457 else
1458 sort_order = NULL;
1459 }
1460
1461 if (strcmp(input_name, "-") != 0)
1462 setup_browser(true);
1463 else
1464 use_browser = 0;
1465
1466 if (sort_order && strstr(sort_order, "ipc")) {
1467 parse_options_usage(report_usage, options, "s", 1);
1468 goto error;
1469 }
1470
1471 if (sort_order && strstr(sort_order, "symbol")) {
1472 if (sort__mode == SORT_MODE__BRANCH) {
1473 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1474 sort_order, "ipc_lbr");
1475 report.symbol_ipc = true;
1476 } else {
1477 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1478 sort_order, "ipc_null");
1479 }
1480
1481 sort_order = sort_tmp;
1482 }
1483
1484 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) &&
1485 (setup_sorting(session->evlist) < 0)) {
1486 if (sort_order)
1487 parse_options_usage(report_usage, options, "s", 1);
1488 if (field_order)
1489 parse_options_usage(sort_order ? NULL : report_usage,
1490 options, "F", 1);
1491 goto error;
1492 }
1493
1494 if ((report.header || report.header_only) && !quiet) {
1495 perf_session__fprintf_info(session, stdout,
1496 report.show_full_info);
1497 if (report.header_only) {
1498 ret = 0;
1499 goto error;
1500 }
1501 } else if (use_browser == 0 && !quiet &&
1502 !report.stats_mode && !report.tasks_mode) {
1503 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1504 stdout);
1505 }
1506
1507 /*
1508 * Only in the TUI browser we are doing integrated annotation,
1509 * so don't allocate extra space that won't be used in the stdio
1510 * implementation.
1511 */
1512 if (ui__has_annotation() || report.symbol_ipc ||
1513 report.total_cycles_mode) {
1514 ret = symbol__annotation_init();
1515 if (ret < 0)
1516 goto error;
1517 /*
1518 * For searching by name on the "Browse map details".
1519 * providing it only in verbose mode not to bloat too
1520 * much struct symbol.
1521 */
1522 if (verbose > 0) {
1523 /*
1524 * XXX: Need to provide a less kludgy way to ask for
1525 * more space per symbol, the u32 is for the index on
1526 * the ui browser.
1527 * See symbol__browser_index.
1528 */
1529 symbol_conf.priv_size += sizeof(u32);
1530 symbol_conf.sort_by_name = true;
1531 }
1532 annotation_config__init(&report.annotation_opts);
1533 }
1534
1535 if (symbol__init(&session->header.env) < 0)
1536 goto error;
1537
1538 if (report.time_str) {
1539 ret = perf_time__parse_for_ranges(report.time_str, session,
1540 &report.ptime_range,
1541 &report.range_size,
1542 &report.range_num);
1543 if (ret < 0)
1544 goto error;
1545
1546 itrace_synth_opts__set_time_range(&itrace_synth_opts,
1547 report.ptime_range,
1548 report.range_num);
1549 }
1550
1551 if (session->tevent.pevent &&
1552 tep_set_function_resolver(session->tevent.pevent,
1553 machine__resolve_kernel_addr,
1554 &session->machines.host) < 0) {
1555 pr_err("%s: failed to set libtraceevent function resolver\n",
1556 __func__);
1557 return -1;
1558 }
1559
1560 sort__setup_elide(stdout);
1561
1562 ret = __cmd_report(&report);
1563 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) {
1564 perf_session__delete(session);
1565 last_key = K_SWITCH_INPUT_DATA;
1566 goto repeat;
1567 } else
1568 ret = 0;
1569
1570 error:
1571 if (report.ptime_range) {
1572 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
1573 zfree(&report.ptime_range);
1574 }
1575
1576 if (report.block_reports) {
1577 block_info__free_report(report.block_reports,
1578 report.nr_block_reports);
1579 report.block_reports = NULL;
1580 }
1581
1582 zstd_fini(&(session->zstd_data));
1583 perf_session__delete(session);
1584 return ret;
1585 }
Linux with added FPC-III support