?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 5.7.7
[linux/fpc-iii.git] / tools / perf / builtin-report.c
blobfc7855262162ddd737c3b4e9e8444193fb34650d
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 && evname && strstr(evname, "call-graph=no")) {
480 ret += fprintf(fp, ", show reference callgraph");
481 }
482
483 if (rep->mem_mode) {
484 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
485 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
486 } else
487 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
488
489 if (socked_id > -1)
490 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
491
492 return ret + fprintf(fp, "\n#\n");
493 }
494
495 static int perf_evlist__tui_block_hists_browse(struct evlist *evlist,
496 struct report *rep)
497 {
498 struct evsel *pos;
499 int i = 0, ret;
500
501 evlist__for_each_entry(evlist, pos) {
502 ret = report__browse_block_hists(&rep->block_reports[i++].hist,
503 rep->min_percent, pos,
504 &rep->session->header.env,
505 &rep->annotation_opts);
506 if (ret != 0)
507 return ret;
508 }
509
510 return 0;
511 }
512
513 static int perf_evlist__tty_browse_hists(struct evlist *evlist,
514 struct report *rep,
515 const char *help)
516 {
517 struct evsel *pos;
518 int i = 0;
519
520 if (!quiet) {
521 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
522 evlist->stats.total_lost_samples);
523 }
524
525 evlist__for_each_entry(evlist, pos) {
526 struct hists *hists = evsel__hists(pos);
527 const char *evname = perf_evsel__name(pos);
528
529 if (symbol_conf.event_group &&
530 !perf_evsel__is_group_leader(pos))
531 continue;
532
533 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
534
535 if (rep->total_cycles_mode) {
536 report__browse_block_hists(&rep->block_reports[i++].hist,
537 rep->min_percent, pos,
538 NULL, NULL);
539 continue;
540 }
541
542 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
543 !(symbol_conf.use_callchain ||
544 symbol_conf.show_branchflag_count));
545 fprintf(stdout, "\n\n");
546 }
547
548 if (!quiet)
549 fprintf(stdout, "#\n# (%s)\n#\n", help);
550
551 if (rep->show_threads) {
552 bool style = !strcmp(rep->pretty_printing_style, "raw");
553 perf_read_values_display(stdout, &rep->show_threads_values,
554 style);
555 perf_read_values_destroy(&rep->show_threads_values);
556 }
557
558 if (sort__mode == SORT_MODE__BRANCH)
559 branch_type_stat_display(stdout, &rep->brtype_stat);
560
561 return 0;
562 }
563
564 static void report__warn_kptr_restrict(const struct report *rep)
565 {
566 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
567 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
568
569 if (perf_evlist__exclude_kernel(rep->session->evlist))
570 return;
571
572 if (kernel_map == NULL ||
573 (kernel_map->dso->hit &&
574 (kernel_kmap->ref_reloc_sym == NULL ||
575 kernel_kmap->ref_reloc_sym->addr == 0))) {
576 const char *desc =
577 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
578 "can't be resolved.";
579
580 if (kernel_map && map__has_symbols(kernel_map)) {
581 desc = "If some relocation was applied (e.g. "
582 "kexec) symbols may be misresolved.";
583 }
584
585 ui__warning(
586 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
587 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
588 "Samples in kernel modules can't be resolved as well.\n\n",
589 desc);
590 }
591 }
592
593 static int report__gtk_browse_hists(struct report *rep, const char *help)
594 {
595 int (*hist_browser)(struct evlist *evlist, const char *help,
596 struct hist_browser_timer *timer, float min_pcnt);
597
598 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
599
600 if (hist_browser == NULL) {
601 ui__error("GTK browser not found!\n");
602 return -1;
603 }
604
605 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
606 }
607
608 static int report__browse_hists(struct report *rep)
609 {
610 int ret;
611 struct perf_session *session = rep->session;
612 struct evlist *evlist = session->evlist;
613 const char *help = perf_tip(system_path(TIPDIR));
614
615 if (help == NULL) {
616 /* fallback for people who don't install perf ;-) */
617 help = perf_tip(DOCDIR);
618 if (help == NULL)
619 help = "Cannot load tips.txt file, please install perf!";
620 }
621
622 switch (use_browser) {
623 case 1:
624 if (rep->total_cycles_mode) {
625 ret = perf_evlist__tui_block_hists_browse(evlist, rep);
626 break;
627 }
628
629 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
630 rep->min_percent,
631 &session->header.env,
632 true, &rep->annotation_opts);
633 /*
634 * Usually "ret" is the last pressed key, and we only
635 * care if the key notifies us to switch data file.
636 */
637 if (ret != K_SWITCH_INPUT_DATA && ret != K_RELOAD)
638 ret = 0;
639 break;
640 case 2:
641 ret = report__gtk_browse_hists(rep, help);
642 break;
643 default:
644 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
645 break;
646 }
647
648 return ret;
649 }
650
651 static int report__collapse_hists(struct report *rep)
652 {
653 struct ui_progress prog;
654 struct evsel *pos;
655 int ret = 0;
656
657 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
658
659 evlist__for_each_entry(rep->session->evlist, pos) {
660 struct hists *hists = evsel__hists(pos);
661
662 if (pos->idx == 0)
663 hists->symbol_filter_str = rep->symbol_filter_str;
664
665 hists->socket_filter = rep->socket_filter;
666
667 ret = hists__collapse_resort(hists, &prog);
668 if (ret < 0)
669 break;
670
671 /* Non-group events are considered as leader */
672 if (symbol_conf.event_group &&
673 !perf_evsel__is_group_leader(pos)) {
674 struct hists *leader_hists = evsel__hists(pos->leader);
675
676 hists__match(leader_hists, hists);
677 hists__link(leader_hists, hists);
678 }
679 }
680
681 ui_progress__finish();
682 return ret;
683 }
684
685 static int hists__resort_cb(struct hist_entry *he, void *arg)
686 {
687 struct report *rep = arg;
688 struct symbol *sym = he->ms.sym;
689
690 if (rep->symbol_ipc && sym && !sym->annotate2) {
691 struct evsel *evsel = hists_to_evsel(he->hists);
692
693 symbol__annotate2(&he->ms, evsel,
694 &annotation__default_options, NULL);
695 }
696
697 return 0;
698 }
699
700 static void report__output_resort(struct report *rep)
701 {
702 struct ui_progress prog;
703 struct evsel *pos;
704
705 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
706
707 evlist__for_each_entry(rep->session->evlist, pos) {
708 perf_evsel__output_resort_cb(pos, &prog,
709 hists__resort_cb, rep);
710 }
711
712 ui_progress__finish();
713 }
714
715 static void stats_setup(struct report *rep)
716 {
717 memset(&rep->tool, 0, sizeof(rep->tool));
718 rep->tool.no_warn = true;
719 }
720
721 static int stats_print(struct report *rep)
722 {
723 struct perf_session *session = rep->session;
724
725 perf_session__fprintf_nr_events(session, stdout);
726 return 0;
727 }
728
729 static void tasks_setup(struct report *rep)
730 {
731 memset(&rep->tool, 0, sizeof(rep->tool));
732 rep->tool.ordered_events = true;
733 if (rep->mmaps_mode) {
734 rep->tool.mmap = perf_event__process_mmap;
735 rep->tool.mmap2 = perf_event__process_mmap2;
736 }
737 rep->tool.comm = perf_event__process_comm;
738 rep->tool.exit = perf_event__process_exit;
739 rep->tool.fork = perf_event__process_fork;
740 rep->tool.no_warn = true;
741 }
742
743 struct task {
744 struct thread *thread;
745 struct list_head list;
746 struct list_head children;
747 };
748
749 static struct task *tasks_list(struct task *task, struct machine *machine)
750 {
751 struct thread *parent_thread, *thread = task->thread;
752 struct task *parent_task;
753
754 /* Already listed. */
755 if (!list_empty(&task->list))
756 return NULL;
757
758 /* Last one in the chain. */
759 if (thread->ppid == -1)
760 return task;
761
762 parent_thread = machine__find_thread(machine, -1, thread->ppid);
763 if (!parent_thread)
764 return ERR_PTR(-ENOENT);
765
766 parent_task = thread__priv(parent_thread);
767 list_add_tail(&task->list, &parent_task->children);
768 return tasks_list(parent_task, machine);
769 }
770
771 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp)
772 {
773 size_t printed = 0;
774 struct map *map;
775
776 maps__for_each_entry(maps, map) {
777 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n",
778 indent, "", map->start, map->end,
779 map->prot & PROT_READ ? 'r' : '-',
780 map->prot & PROT_WRITE ? 'w' : '-',
781 map->prot & PROT_EXEC ? 'x' : '-',
782 map->flags & MAP_SHARED ? 's' : 'p',
783 map->pgoff,
784 map->dso->id.ino, map->dso->name);
785 }
786
787 return printed;
788 }
789
790 static void task__print_level(struct task *task, FILE *fp, int level)
791 {
792 struct thread *thread = task->thread;
793 struct task *child;
794 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s",
795 thread->pid_, thread->tid, thread->ppid,
796 level, "");
797
798 fprintf(fp, "%s\n", thread__comm_str(thread));
799
800 maps__fprintf_task(thread->maps, comm_indent, fp);
801
802 if (!list_empty(&task->children)) {
803 list_for_each_entry(child, &task->children, list)
804 task__print_level(child, fp, level + 1);
805 }
806 }
807
808 static int tasks_print(struct report *rep, FILE *fp)
809 {
810 struct perf_session *session = rep->session;
811 struct machine *machine = &session->machines.host;
812 struct task *tasks, *task;
813 unsigned int nr = 0, itask = 0, i;
814 struct rb_node *nd;
815 LIST_HEAD(list);
816
817 /*
818 * No locking needed while accessing machine->threads,
819 * because --tasks is single threaded command.
820 */
821
822 /* Count all the threads. */
823 for (i = 0; i < THREADS__TABLE_SIZE; i++)
824 nr += machine->threads[i].nr;
825
826 tasks = malloc(sizeof(*tasks) * nr);
827 if (!tasks)
828 return -ENOMEM;
829
830 for (i = 0; i < THREADS__TABLE_SIZE; i++) {
831 struct threads *threads = &machine->threads[i];
832
833 for (nd = rb_first_cached(&threads->entries); nd;
834 nd = rb_next(nd)) {
835 task = tasks + itask++;
836
837 task->thread = rb_entry(nd, struct thread, rb_node);
838 INIT_LIST_HEAD(&task->children);
839 INIT_LIST_HEAD(&task->list);
840 thread__set_priv(task->thread, task);
841 }
842 }
843
844 /*
845 * Iterate every task down to the unprocessed parent
846 * and link all in task children list. Task with no
847 * parent is added into 'list'.
848 */
849 for (itask = 0; itask < nr; itask++) {
850 task = tasks + itask;
851
852 if (!list_empty(&task->list))
853 continue;
854
855 task = tasks_list(task, machine);
856 if (IS_ERR(task)) {
857 pr_err("Error: failed to process tasks\n");
858 free(tasks);
859 return PTR_ERR(task);
860 }
861
862 if (task)
863 list_add_tail(&task->list, &list);
864 }
865
866 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm");
867
868 list_for_each_entry(task, &list, list)
869 task__print_level(task, fp, 0);
870
871 free(tasks);
872 return 0;
873 }
874
875 static int __cmd_report(struct report *rep)
876 {
877 int ret;
878 struct perf_session *session = rep->session;
879 struct evsel *pos;
880 struct perf_data *data = session->data;
881
882 signal(SIGINT, sig_handler);
883
884 if (rep->cpu_list) {
885 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
886 rep->cpu_bitmap);
887 if (ret) {
888 ui__error("failed to set cpu bitmap\n");
889 return ret;
890 }
891 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap;
892 }
893
894 if (rep->show_threads) {
895 ret = perf_read_values_init(&rep->show_threads_values);
896 if (ret)
897 return ret;
898 }
899
900 ret = report__setup_sample_type(rep);
901 if (ret) {
902 /* report__setup_sample_type() already showed error message */
903 return ret;
904 }
905
906 if (rep->stats_mode)
907 stats_setup(rep);
908
909 if (rep->tasks_mode)
910 tasks_setup(rep);
911
912 ret = perf_session__process_events(session);
913 if (ret) {
914 ui__error("failed to process sample\n");
915 return ret;
916 }
917
918 if (rep->stats_mode)
919 return stats_print(rep);
920
921 if (rep->tasks_mode)
922 return tasks_print(rep, stdout);
923
924 report__warn_kptr_restrict(rep);
925
926 evlist__for_each_entry(session->evlist, pos)
927 rep->nr_entries += evsel__hists(pos)->nr_entries;
928
929 if (use_browser == 0) {
930 if (verbose > 3)
931 perf_session__fprintf(session, stdout);
932
933 if (verbose > 2)
934 perf_session__fprintf_dsos(session, stdout);
935
936 if (dump_trace) {
937 perf_session__fprintf_nr_events(session, stdout);
938 perf_evlist__fprintf_nr_events(session->evlist, stdout);
939 return 0;
940 }
941 }
942
943 ret = report__collapse_hists(rep);
944 if (ret) {
945 ui__error("failed to process hist entry\n");
946 return ret;
947 }
948
949 if (session_done())
950 return 0;
951
952 /*
953 * recalculate number of entries after collapsing since it
954 * might be changed during the collapse phase.
955 */
956 rep->nr_entries = 0;
957 evlist__for_each_entry(session->evlist, pos)
958 rep->nr_entries += evsel__hists(pos)->nr_entries;
959
960 if (rep->nr_entries == 0) {
961 ui__error("The %s data has no samples!\n", data->path);
962 return 0;
963 }
964
965 report__output_resort(rep);
966
967 if (rep->total_cycles_mode) {
968 int block_hpps[6] = {
969 PERF_HPP_REPORT__BLOCK_TOTAL_CYCLES_PCT,
970 PERF_HPP_REPORT__BLOCK_LBR_CYCLES,
971 PERF_HPP_REPORT__BLOCK_CYCLES_PCT,
972 PERF_HPP_REPORT__BLOCK_AVG_CYCLES,
973 PERF_HPP_REPORT__BLOCK_RANGE,
974 PERF_HPP_REPORT__BLOCK_DSO,
975 };
976
977 rep->block_reports = block_info__create_report(session->evlist,
978 rep->total_cycles,
979 block_hpps, 6,
980 &rep->nr_block_reports);
981 if (!rep->block_reports)
982 return -1;
983 }
984
985 return report__browse_hists(rep);
986 }
987
988 static int
989 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
990 {
991 struct callchain_param *callchain = opt->value;
992
993 callchain->enabled = !unset;
994 /*
995 * --no-call-graph
996 */
997 if (unset) {
998 symbol_conf.use_callchain = false;
999 callchain->mode = CHAIN_NONE;
1000 return 0;
1001 }
1002
1003 return parse_callchain_report_opt(arg);
1004 }
1005
1006 static int
1007 parse_time_quantum(const struct option *opt, const char *arg,
1008 int unset __maybe_unused)
1009 {
1010 unsigned long *time_q = opt->value;
1011 char *end;
1012
1013 *time_q = strtoul(arg, &end, 0);
1014 if (end == arg)
1015 goto parse_err;
1016 if (*time_q == 0) {
1017 pr_err("time quantum cannot be 0");
1018 return -1;
1019 }
1020 end = skip_spaces(end);
1021 if (*end == 0)
1022 return 0;
1023 if (!strcmp(end, "s")) {
1024 *time_q *= NSEC_PER_SEC;
1025 return 0;
1026 }
1027 if (!strcmp(end, "ms")) {
1028 *time_q *= NSEC_PER_MSEC;
1029 return 0;
1030 }
1031 if (!strcmp(end, "us")) {
1032 *time_q *= NSEC_PER_USEC;
1033 return 0;
1034 }
1035 if (!strcmp(end, "ns"))
1036 return 0;
1037 parse_err:
1038 pr_err("Cannot parse time quantum `%s'\n", arg);
1039 return -1;
1040 }
1041
1042 int
1043 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
1044 const char *arg, int unset __maybe_unused)
1045 {
1046 if (arg) {
1047 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
1048 if (err) {
1049 char buf[BUFSIZ];
1050 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
1051 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
1052 return -1;
1053 }
1054 have_ignore_callees = 1;
1055 }
1056
1057 return 0;
1058 }
1059
1060 static int
1061 parse_branch_mode(const struct option *opt,
1062 const char *str __maybe_unused, int unset)
1063 {
1064 int *branch_mode = opt->value;
1065
1066 *branch_mode = !unset;
1067 return 0;
1068 }
1069
1070 static int
1071 parse_percent_limit(const struct option *opt, const char *str,
1072 int unset __maybe_unused)
1073 {
1074 struct report *rep = opt->value;
1075 double pcnt = strtof(str, NULL);
1076
1077 rep->min_percent = pcnt;
1078 callchain_param.min_percent = pcnt;
1079 return 0;
1080 }
1081
1082 int cmd_report(int argc, const char **argv)
1083 {
1084 struct perf_session *session;
1085 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
1086 struct stat st;
1087 bool has_br_stack = false;
1088 int branch_mode = -1;
1089 int last_key = 0;
1090 bool branch_call_mode = false;
1091 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
1092 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
1093 CALLCHAIN_REPORT_HELP
1094 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
1095 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
1096 const char * const report_usage[] = {
1097 "perf report [<options>]",
1098 NULL
1099 };
1100 struct report report = {
1101 .tool = {
1102 .sample = process_sample_event,
1103 .mmap = perf_event__process_mmap,
1104 .mmap2 = perf_event__process_mmap2,
1105 .comm = perf_event__process_comm,
1106 .namespaces = perf_event__process_namespaces,
1107 .cgroup = perf_event__process_cgroup,
1108 .exit = perf_event__process_exit,
1109 .fork = perf_event__process_fork,
1110 .lost = perf_event__process_lost,
1111 .read = process_read_event,
1112 .attr = perf_event__process_attr,
1113 .tracing_data = perf_event__process_tracing_data,
1114 .build_id = perf_event__process_build_id,
1115 .id_index = perf_event__process_id_index,
1116 .auxtrace_info = perf_event__process_auxtrace_info,
1117 .auxtrace = perf_event__process_auxtrace,
1118 .event_update = perf_event__process_event_update,
1119 .feature = process_feature_event,
1120 .ordered_events = true,
1121 .ordering_requires_timestamps = true,
1122 },
1123 .max_stack = PERF_MAX_STACK_DEPTH,
1124 .pretty_printing_style = "normal",
1125 .socket_filter = -1,
1126 .annotation_opts = annotation__default_options,
1127 };
1128 const struct option options[] = {
1129 OPT_STRING('i', "input", &input_name, "file",
1130 "input file name"),
1131 OPT_INCR('v', "verbose", &verbose,
1132 "be more verbose (show symbol address, etc)"),
1133 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
1134 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1135 "dump raw trace in ASCII"),
1136 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"),
1137 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"),
1138 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"),
1139 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1140 "file", "vmlinux pathname"),
1141 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
1142 "don't load vmlinux even if found"),
1143 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1144 "file", "kallsyms pathname"),
1145 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
1146 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
1147 "load module symbols - WARNING: use only with -k and LIVE kernel"),
1148 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
1149 "Show a column with the number of samples"),
1150 OPT_BOOLEAN('T', "threads", &report.show_threads,
1151 "Show per-thread event counters"),
1152 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
1153 "pretty printing style key: normal raw"),
1154 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
1155 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
1156 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
1157 "Use the stdio interface"),
1158 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
1159 OPT_BOOLEAN(0, "header-only", &report.header_only,
1160 "Show only data header."),
1161 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
1162 sort_help("sort by key(s):")),
1163 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
1164 sort_help("output field(s): overhead period sample ")),
1165 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
1166 "Show sample percentage for different cpu modes"),
1167 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
1168 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
1169 OPT_STRING('p', "parent", &parent_pattern, "regex",
1170 "regex filter to identify parent, see: '--sort parent'"),
1171 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
1172 "Only display entries with parent-match"),
1173 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
1174 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
1175 report_callchain_help, &report_parse_callchain_opt,
1176 callchain_default_opt),
1177 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
1178 "Accumulate callchains of children and show total overhead as well. "
1179 "Enabled by default, use --no-children to disable."),
1180 OPT_INTEGER(0, "max-stack", &report.max_stack,
1181 "Set the maximum stack depth when parsing the callchain, "
1182 "anything beyond the specified depth will be ignored. "
1183 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
1184 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
1185 "alias for inverted call graph"),
1186 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
1187 "ignore callees of these functions in call graphs",
1188 report_parse_ignore_callees_opt),
1189 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
1190 "only consider symbols in these dsos"),
1191 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1192 "only consider symbols in these comms"),
1193 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1194 "only consider symbols in these pids"),
1195 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1196 "only consider symbols in these tids"),
1197 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1198 "only consider these symbols"),
1199 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
1200 "only show symbols that (partially) match with this filter"),
1201 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
1202 "width[,width...]",
1203 "don't try to adjust column width, use these fixed values"),
1204 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
1205 "separator for columns, no spaces will be added between "
1206 "columns '.' is reserved."),
1207 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
1208 "Only display entries resolved to a symbol"),
1209 OPT_CALLBACK(0, "symfs", NULL, "directory",
1210 "Look for files with symbols relative to this directory",
1211 symbol__config_symfs),
1212 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
1213 "list of cpus to profile"),
1214 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
1215 "Display extended information about perf.data file"),
1216 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src,
1217 "Interleave source code with assembly code (default)"),
1218 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw,
1219 "Display raw encoding of assembly instructions (default)"),
1220 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style",
1221 "Specify disassembler style (e.g. -M intel for intel syntax)"),
1222 OPT_STRING(0, "prefix", &report.annotation_opts.prefix, "prefix",
1223 "Add prefix to source file path names in programs (with --prefix-strip)"),
1224 OPT_STRING(0, "prefix-strip", &report.annotation_opts.prefix_strip, "N",
1225 "Strip first N entries of source file path name in programs (with --prefix)"),
1226 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
1227 "Show a column with the sum of periods"),
1228 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set,
1229 "Show event group information together"),
1230 OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx,
1231 "Sort the output by the event at the index n in group. "
1232 "If n is invalid, sort by the first event. "
1233 "WARNING: should be used on grouped events."),
1234 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
1235 "use branch records for per branch histogram filling",
1236 parse_branch_mode),
1237 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
1238 "add last branch records to call history"),
1239 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path",
1240 "objdump binary to use for disassembly and annotations"),
1241 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
1242 "Disable symbol demangling"),
1243 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
1244 "Enable kernel symbol demangling"),
1245 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
1246 OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
1247 "Number of samples to save per histogram entry for individual browsing"),
1248 OPT_CALLBACK(0, "percent-limit", &report, "percent",
1249 "Don't show entries under that percent", parse_percent_limit),
1250 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
1251 "how to display percentage of filtered entries", parse_filter_percentage),
1252 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1253 "Instruction Tracing options\n" ITRACE_HELP,
1254 itrace_parse_synth_opts),
1255 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1256 "Show full source file name path for source lines"),
1257 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
1258 "Show callgraph from reference event"),
1259 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
1260 "only show processor socket that match with this filter"),
1261 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
1262 "Show raw trace event output (do not use print fmt or plugins)"),
1263 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
1264 "Show entries in a hierarchy"),
1265 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
1266 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
1267 stdio__config_color, "always"),
1268 OPT_STRING(0, "time", &report.time_str, "str",
1269 "Time span of interest (start,stop)"),
1270 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
1271 "Show inline function"),
1272 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period",
1273 "Set percent type local/global-period/hits",
1274 annotate_parse_percent_type),
1275 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"),
1276 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)",
1277 "Set time quantum for time sort key (default 100ms)",
1278 parse_time_quantum),
1279 OPTS_EVSWITCH(&report.evswitch),
1280 OPT_BOOLEAN(0, "total-cycles", &report.total_cycles_mode,
1281 "Sort all blocks by 'Sampled Cycles%'"),
1282 OPT_END()
1283 };
1284 struct perf_data data = {
1285 .mode = PERF_DATA_MODE_READ,
1286 };
1287 int ret = hists__init();
1288 char sort_tmp[128];
1289
1290 if (ret < 0)
1291 return ret;
1292
1293 ret = perf_config(report__config, &report);
1294 if (ret)
1295 return ret;
1296
1297 argc = parse_options(argc, argv, options, report_usage, 0);
1298 if (argc) {
1299 /*
1300 * Special case: if there's an argument left then assume that
1301 * it's a symbol filter:
1302 */
1303 if (argc > 1)
1304 usage_with_options(report_usage, options);
1305
1306 report.symbol_filter_str = argv[0];
1307 }
1308
1309 if (annotate_check_args(&report.annotation_opts) < 0)
1310 return -EINVAL;
1311
1312 if (report.mmaps_mode)
1313 report.tasks_mode = true;
1314
1315 if (quiet)
1316 perf_quiet_option();
1317
1318 if (symbol_conf.vmlinux_name &&
1319 access(symbol_conf.vmlinux_name, R_OK)) {
1320 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
1321 return -EINVAL;
1322 }
1323 if (symbol_conf.kallsyms_name &&
1324 access(symbol_conf.kallsyms_name, R_OK)) {
1325 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
1326 return -EINVAL;
1327 }
1328
1329 if (report.inverted_callchain)
1330 callchain_param.order = ORDER_CALLER;
1331 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
1332 callchain_param.order = ORDER_CALLER;
1333
1334 if (itrace_synth_opts.callchain &&
1335 (int)itrace_synth_opts.callchain_sz > report.max_stack)
1336 report.max_stack = itrace_synth_opts.callchain_sz;
1337
1338 if (!input_name || !strlen(input_name)) {
1339 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
1340 input_name = "-";
1341 else
1342 input_name = "perf.data";
1343 }
1344
1345 data.path = input_name;
1346 data.force = symbol_conf.force;
1347
1348 repeat:
1349 session = perf_session__new(&data, false, &report.tool);
1350 if (IS_ERR(session))
1351 return PTR_ERR(session);
1352
1353 ret = evswitch__init(&report.evswitch, session->evlist, stderr);
1354 if (ret)
1355 return ret;
1356
1357 if (zstd_init(&(session->zstd_data), 0) < 0)
1358 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
1359
1360 if (report.queue_size) {
1361 ordered_events__set_alloc_size(&session->ordered_events,
1362 report.queue_size);
1363 }
1364
1365 session->itrace_synth_opts = &itrace_synth_opts;
1366
1367 report.session = session;
1368
1369 has_br_stack = perf_header__has_feat(&session->header,
1370 HEADER_BRANCH_STACK);
1371 if (perf_evlist__combined_sample_type(session->evlist) & PERF_SAMPLE_STACK_USER)
1372 has_br_stack = false;
1373
1374 setup_forced_leader(&report, session->evlist);
1375
1376 if (symbol_conf.group_sort_idx && !session->evlist->nr_groups) {
1377 parse_options_usage(NULL, options, "group-sort-idx", 0);
1378 ret = -EINVAL;
1379 goto error;
1380 }
1381
1382 if (itrace_synth_opts.last_branch)
1383 has_br_stack = true;
1384
1385 if (has_br_stack && branch_call_mode)
1386 symbol_conf.show_branchflag_count = true;
1387
1388 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
1389
1390 /*
1391 * Branch mode is a tristate:
1392 * -1 means default, so decide based on the file having branch data.
1393 * 0/1 means the user chose a mode.
1394 */
1395 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
1396 !branch_call_mode) {
1397 sort__mode = SORT_MODE__BRANCH;
1398 symbol_conf.cumulate_callchain = false;
1399 }
1400 if (branch_call_mode) {
1401 callchain_param.key = CCKEY_ADDRESS;
1402 callchain_param.branch_callstack = 1;
1403 symbol_conf.use_callchain = true;
1404 callchain_register_param(&callchain_param);
1405 if (sort_order == NULL)
1406 sort_order = "srcline,symbol,dso";
1407 }
1408
1409 if (report.mem_mode) {
1410 if (sort__mode == SORT_MODE__BRANCH) {
1411 pr_err("branch and mem mode incompatible\n");
1412 goto error;
1413 }
1414 sort__mode = SORT_MODE__MEMORY;
1415 symbol_conf.cumulate_callchain = false;
1416 }
1417
1418 if (symbol_conf.report_hierarchy) {
1419 /* disable incompatible options */
1420 symbol_conf.cumulate_callchain = false;
1421
1422 if (field_order) {
1423 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1424 parse_options_usage(report_usage, options, "F", 1);
1425 parse_options_usage(NULL, options, "hierarchy", 0);
1426 goto error;
1427 }
1428
1429 perf_hpp_list.need_collapse = true;
1430 }
1431
1432 if (report.use_stdio)
1433 use_browser = 0;
1434 else if (report.use_tui)
1435 use_browser = 1;
1436 else if (report.use_gtk)
1437 use_browser = 2;
1438
1439 /* Force tty output for header output and per-thread stat. */
1440 if (report.header || report.header_only || report.show_threads)
1441 use_browser = 0;
1442 if (report.header || report.header_only)
1443 report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
1444 if (report.show_full_info)
1445 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
1446 if (report.stats_mode || report.tasks_mode)
1447 use_browser = 0;
1448 if (report.stats_mode && report.tasks_mode) {
1449 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n");
1450 goto error;
1451 }
1452
1453 if (report.total_cycles_mode) {
1454 if (sort__mode != SORT_MODE__BRANCH)
1455 report.total_cycles_mode = false;
1456 else
1457 sort_order = NULL;
1458 }
1459
1460 if (strcmp(input_name, "-") != 0)
1461 setup_browser(true);
1462 else
1463 use_browser = 0;
1464
1465 if (sort_order && strstr(sort_order, "ipc")) {
1466 parse_options_usage(report_usage, options, "s", 1);
1467 goto error;
1468 }
1469
1470 if (sort_order && strstr(sort_order, "symbol")) {
1471 if (sort__mode == SORT_MODE__BRANCH) {
1472 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1473 sort_order, "ipc_lbr");
1474 report.symbol_ipc = true;
1475 } else {
1476 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1477 sort_order, "ipc_null");
1478 }
1479
1480 sort_order = sort_tmp;
1481 }
1482
1483 if ((last_key != K_SWITCH_INPUT_DATA && last_key != K_RELOAD) &&
1484 (setup_sorting(session->evlist) < 0)) {
1485 if (sort_order)
1486 parse_options_usage(report_usage, options, "s", 1);
1487 if (field_order)
1488 parse_options_usage(sort_order ? NULL : report_usage,
1489 options, "F", 1);
1490 goto error;
1491 }
1492
1493 if ((report.header || report.header_only) && !quiet) {
1494 perf_session__fprintf_info(session, stdout,
1495 report.show_full_info);
1496 if (report.header_only) {
1497 ret = 0;
1498 goto error;
1499 }
1500 } else if (use_browser == 0 && !quiet &&
1501 !report.stats_mode && !report.tasks_mode) {
1502 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1503 stdout);
1504 }
1505
1506 /*
1507 * Only in the TUI browser we are doing integrated annotation,
1508 * so don't allocate extra space that won't be used in the stdio
1509 * implementation.
1510 */
1511 if (ui__has_annotation() || report.symbol_ipc ||
1512 report.total_cycles_mode) {
1513 ret = symbol__annotation_init();
1514 if (ret < 0)
1515 goto error;
1516 /*
1517 * For searching by name on the "Browse map details".
1518 * providing it only in verbose mode not to bloat too
1519 * much struct symbol.
1520 */
1521 if (verbose > 0) {
1522 /*
1523 * XXX: Need to provide a less kludgy way to ask for
1524 * more space per symbol, the u32 is for the index on
1525 * the ui browser.
1526 * See symbol__browser_index.
1527 */
1528 symbol_conf.priv_size += sizeof(u32);
1529 symbol_conf.sort_by_name = true;
1530 }
1531 annotation_config__init(&report.annotation_opts);
1532 }
1533
1534 if (symbol__init(&session->header.env) < 0)
1535 goto error;
1536
1537 if (report.time_str) {
1538 ret = perf_time__parse_for_ranges(report.time_str, session,
1539 &report.ptime_range,
1540 &report.range_size,
1541 &report.range_num);
1542 if (ret < 0)
1543 goto error;
1544
1545 itrace_synth_opts__set_time_range(&itrace_synth_opts,
1546 report.ptime_range,
1547 report.range_num);
1548 }
1549
1550 if (session->tevent.pevent &&
1551 tep_set_function_resolver(session->tevent.pevent,
1552 machine__resolve_kernel_addr,
1553 &session->machines.host) < 0) {
1554 pr_err("%s: failed to set libtraceevent function resolver\n",
1555 __func__);
1556 return -1;
1557 }
1558
1559 sort__setup_elide(stdout);
1560
1561 ret = __cmd_report(&report);
1562 if (ret == K_SWITCH_INPUT_DATA || ret == K_RELOAD) {
1563 perf_session__delete(session);
1564 last_key = K_SWITCH_INPUT_DATA;
1565 goto repeat;
1566 } else
1567 ret = 0;
1568
1569 error:
1570 if (report.ptime_range) {
1571 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
1572 zfree(&report.ptime_range);
1573 }
1574
1575 if (report.block_reports) {
1576 block_info__free_report(report.block_reports,
1577 report.nr_block_reports);
1578 report.block_reports = NULL;
1579 }
1580
1581 zstd_fini(&(session->zstd_data));
1582 perf_session__delete(session);
1583 return ret;
1584 }
Linux with added FPC-III support