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