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staging: rtl8192u: remove redundant assignment to pointer crypt
[linux/fpc-iii.git] / tools / perf / builtin-report.c
blobabf0b9b8f5667f23776d56db6d9d0bd85be5779f
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 <linux/list.h>
16 #include <linux/rbtree.h>
17 #include <linux/err.h>
18 #include <linux/zalloc.h>
19 #include "util/map.h"
20 #include "util/symbol.h"
21 #include "util/callchain.h"
22 #include "util/values.h"
23
24 #include "perf.h"
25 #include "util/debug.h"
26 #include "util/evlist.h"
27 #include "util/evsel.h"
28 #include "util/header.h"
29 #include "util/session.h"
30 #include "util/tool.h"
31
32 #include <subcmd/parse-options.h>
33 #include <subcmd/exec-cmd.h>
34 #include "util/parse-events.h"
35
36 #include "util/thread.h"
37 #include "util/sort.h"
38 #include "util/hist.h"
39 #include "util/data.h"
40 #include "arch/common.h"
41 #include "util/time-utils.h"
42 #include "util/auxtrace.h"
43 #include "util/units.h"
44 #include "util/branch.h"
45
46 #include <dlfcn.h>
47 #include <errno.h>
48 #include <inttypes.h>
49 #include <regex.h>
50 #include <linux/ctype.h>
51 #include <signal.h>
52 #include <linux/bitmap.h>
53 #include <linux/stringify.h>
54 #include <linux/time64.h>
55 #include <sys/types.h>
56 #include <sys/stat.h>
57 #include <unistd.h>
58 #include <linux/mman.h>
59
60 struct report {
61 struct perf_tool tool;
62 struct perf_session *session;
63 bool use_tui, use_gtk, use_stdio;
64 bool show_full_info;
65 bool show_threads;
66 bool inverted_callchain;
67 bool mem_mode;
68 bool stats_mode;
69 bool tasks_mode;
70 bool mmaps_mode;
71 bool header;
72 bool header_only;
73 bool nonany_branch_mode;
74 bool group_set;
75 int max_stack;
76 struct perf_read_values show_threads_values;
77 struct annotation_options annotation_opts;
78 const char *pretty_printing_style;
79 const char *cpu_list;
80 const char *symbol_filter_str;
81 const char *time_str;
82 struct perf_time_interval *ptime_range;
83 int range_size;
84 int range_num;
85 float min_percent;
86 u64 nr_entries;
87 u64 queue_size;
88 int socket_filter;
89 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
90 struct branch_type_stat brtype_stat;
91 bool symbol_ipc;
92 };
93
94 static int report__config(const char *var, const char *value, void *cb)
95 {
96 struct report *rep = cb;
97
98 if (!strcmp(var, "report.group")) {
99 symbol_conf.event_group = perf_config_bool(var, value);
100 return 0;
101 }
102 if (!strcmp(var, "report.percent-limit")) {
103 double pcnt = strtof(value, NULL);
104
105 rep->min_percent = pcnt;
106 callchain_param.min_percent = pcnt;
107 return 0;
108 }
109 if (!strcmp(var, "report.children")) {
110 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
111 return 0;
112 }
113 if (!strcmp(var, "report.queue-size"))
114 return perf_config_u64(&rep->queue_size, var, value);
115
116 if (!strcmp(var, "report.sort_order")) {
117 default_sort_order = strdup(value);
118 return 0;
119 }
120
121 return 0;
122 }
123
124 static int hist_iter__report_callback(struct hist_entry_iter *iter,
125 struct addr_location *al, bool single,
126 void *arg)
127 {
128 int err = 0;
129 struct report *rep = arg;
130 struct hist_entry *he = iter->he;
131 struct perf_evsel *evsel = iter->evsel;
132 struct perf_sample *sample = iter->sample;
133 struct mem_info *mi;
134 struct branch_info *bi;
135
136 if (!ui__has_annotation() && !rep->symbol_ipc)
137 return 0;
138
139 if (sort__mode == SORT_MODE__BRANCH) {
140 bi = he->branch_info;
141 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
142 if (err)
143 goto out;
144
145 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
146
147 } else if (rep->mem_mode) {
148 mi = he->mem_info;
149 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel);
150 if (err)
151 goto out;
152
153 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
154
155 } else if (symbol_conf.cumulate_callchain) {
156 if (single)
157 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
158 } else {
159 err = hist_entry__inc_addr_samples(he, sample, evsel, al->addr);
160 }
161
162 out:
163 return err;
164 }
165
166 static int hist_iter__branch_callback(struct hist_entry_iter *iter,
167 struct addr_location *al __maybe_unused,
168 bool single __maybe_unused,
169 void *arg)
170 {
171 struct hist_entry *he = iter->he;
172 struct report *rep = arg;
173 struct branch_info *bi;
174 struct perf_sample *sample = iter->sample;
175 struct perf_evsel *evsel = iter->evsel;
176 int err;
177
178 if (!ui__has_annotation() && !rep->symbol_ipc)
179 return 0;
180
181 bi = he->branch_info;
182 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel);
183 if (err)
184 goto out;
185
186 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel);
187
188 branch_type_count(&rep->brtype_stat, &bi->flags,
189 bi->from.addr, bi->to.addr);
190
191 out:
192 return err;
193 }
194
195 static void setup_forced_leader(struct report *report,
196 struct perf_evlist *evlist)
197 {
198 if (report->group_set)
199 perf_evlist__force_leader(evlist);
200 }
201
202 static int process_feature_event(struct perf_session *session,
203 union perf_event *event)
204 {
205 struct report *rep = container_of(session->tool, struct report, tool);
206
207 if (event->feat.feat_id < HEADER_LAST_FEATURE)
208 return perf_event__process_feature(session, event);
209
210 if (event->feat.feat_id != HEADER_LAST_FEATURE) {
211 pr_err("failed: wrong feature ID: %" PRIu64 "\n",
212 event->feat.feat_id);
213 return -1;
214 }
215
216 /*
217 * (feat_id = HEADER_LAST_FEATURE) is the end marker which
218 * means all features are received, now we can force the
219 * group if needed.
220 */
221 setup_forced_leader(rep, session->evlist);
222 return 0;
223 }
224
225 static int process_sample_event(struct perf_tool *tool,
226 union perf_event *event,
227 struct perf_sample *sample,
228 struct perf_evsel *evsel,
229 struct machine *machine)
230 {
231 struct report *rep = container_of(tool, struct report, tool);
232 struct addr_location al;
233 struct hist_entry_iter iter = {
234 .evsel = evsel,
235 .sample = sample,
236 .hide_unresolved = symbol_conf.hide_unresolved,
237 .add_entry_cb = hist_iter__report_callback,
238 };
239 int ret = 0;
240
241 if (perf_time__ranges_skip_sample(rep->ptime_range, rep->range_num,
242 sample->time)) {
243 return 0;
244 }
245
246 if (machine__resolve(machine, &al, sample) < 0) {
247 pr_debug("problem processing %d event, skipping it.\n",
248 event->header.type);
249 return -1;
250 }
251
252 if (symbol_conf.hide_unresolved && al.sym == NULL)
253 goto out_put;
254
255 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
256 goto out_put;
257
258 if (sort__mode == SORT_MODE__BRANCH) {
259 /*
260 * A non-synthesized event might not have a branch stack if
261 * branch stacks have been synthesized (using itrace options).
262 */
263 if (!sample->branch_stack)
264 goto out_put;
265
266 iter.add_entry_cb = hist_iter__branch_callback;
267 iter.ops = &hist_iter_branch;
268 } else if (rep->mem_mode) {
269 iter.ops = &hist_iter_mem;
270 } else if (symbol_conf.cumulate_callchain) {
271 iter.ops = &hist_iter_cumulative;
272 } else {
273 iter.ops = &hist_iter_normal;
274 }
275
276 if (al.map != NULL)
277 al.map->dso->hit = 1;
278
279 if (ui__has_annotation() || rep->symbol_ipc) {
280 hist__account_cycles(sample->branch_stack, &al, sample,
281 rep->nonany_branch_mode);
282 }
283
284 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
285 if (ret < 0)
286 pr_debug("problem adding hist entry, skipping event\n");
287 out_put:
288 addr_location__put(&al);
289 return ret;
290 }
291
292 static int process_read_event(struct perf_tool *tool,
293 union perf_event *event,
294 struct perf_sample *sample __maybe_unused,
295 struct perf_evsel *evsel,
296 struct machine *machine __maybe_unused)
297 {
298 struct report *rep = container_of(tool, struct report, tool);
299
300 if (rep->show_threads) {
301 const char *name = perf_evsel__name(evsel);
302 int err = perf_read_values_add_value(&rep->show_threads_values,
303 event->read.pid, event->read.tid,
304 evsel->idx,
305 name,
306 event->read.value);
307
308 if (err)
309 return err;
310 }
311
312 return 0;
313 }
314
315 /* For pipe mode, sample_type is not currently set */
316 static int report__setup_sample_type(struct report *rep)
317 {
318 struct perf_session *session = rep->session;
319 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
320 bool is_pipe = perf_data__is_pipe(session->data);
321
322 if (session->itrace_synth_opts->callchain ||
323 (!is_pipe &&
324 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
325 !session->itrace_synth_opts->set))
326 sample_type |= PERF_SAMPLE_CALLCHAIN;
327
328 if (session->itrace_synth_opts->last_branch)
329 sample_type |= PERF_SAMPLE_BRANCH_STACK;
330
331 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
332 if (perf_hpp_list.parent) {
333 ui__error("Selected --sort parent, but no "
334 "callchain data. Did you call "
335 "'perf record' without -g?\n");
336 return -EINVAL;
337 }
338 if (symbol_conf.use_callchain &&
339 !symbol_conf.show_branchflag_count) {
340 ui__error("Selected -g or --branch-history.\n"
341 "But no callchain or branch data.\n"
342 "Did you call 'perf record' without -g or -b?\n");
343 return -1;
344 }
345 } else if (!callchain_param.enabled &&
346 callchain_param.mode != CHAIN_NONE &&
347 !symbol_conf.use_callchain) {
348 symbol_conf.use_callchain = true;
349 if (callchain_register_param(&callchain_param) < 0) {
350 ui__error("Can't register callchain params.\n");
351 return -EINVAL;
352 }
353 }
354
355 if (symbol_conf.cumulate_callchain) {
356 /* Silently ignore if callchain is missing */
357 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
358 symbol_conf.cumulate_callchain = false;
359 perf_hpp__cancel_cumulate();
360 }
361 }
362
363 if (sort__mode == SORT_MODE__BRANCH) {
364 if (!is_pipe &&
365 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
366 ui__error("Selected -b but no branch data. "
367 "Did you call perf record without -b?\n");
368 return -1;
369 }
370 }
371
372 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
373 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
374 (sample_type & PERF_SAMPLE_STACK_USER)) {
375 callchain_param.record_mode = CALLCHAIN_DWARF;
376 dwarf_callchain_users = true;
377 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
378 callchain_param.record_mode = CALLCHAIN_LBR;
379 else
380 callchain_param.record_mode = CALLCHAIN_FP;
381 }
382
383 /* ??? handle more cases than just ANY? */
384 if (!(perf_evlist__combined_branch_type(session->evlist) &
385 PERF_SAMPLE_BRANCH_ANY))
386 rep->nonany_branch_mode = true;
387
388 return 0;
389 }
390
391 static void sig_handler(int sig __maybe_unused)
392 {
393 session_done = 1;
394 }
395
396 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
397 const char *evname, FILE *fp)
398 {
399 size_t ret;
400 char unit;
401 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
402 u64 nr_events = hists->stats.total_period;
403 struct perf_evsel *evsel = hists_to_evsel(hists);
404 char buf[512];
405 size_t size = sizeof(buf);
406 int socked_id = hists->socket_filter;
407
408 if (quiet)
409 return 0;
410
411 if (symbol_conf.filter_relative) {
412 nr_samples = hists->stats.nr_non_filtered_samples;
413 nr_events = hists->stats.total_non_filtered_period;
414 }
415
416 if (perf_evsel__is_group_event(evsel)) {
417 struct perf_evsel *pos;
418
419 perf_evsel__group_desc(evsel, buf, size);
420 evname = buf;
421
422 for_each_group_member(pos, evsel) {
423 const struct hists *pos_hists = evsel__hists(pos);
424
425 if (symbol_conf.filter_relative) {
426 nr_samples += pos_hists->stats.nr_non_filtered_samples;
427 nr_events += pos_hists->stats.total_non_filtered_period;
428 } else {
429 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
430 nr_events += pos_hists->stats.total_period;
431 }
432 }
433 }
434
435 nr_samples = convert_unit(nr_samples, &unit);
436 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
437 if (evname != NULL) {
438 ret += fprintf(fp, " of event%s '%s'",
439 evsel->nr_members > 1 ? "s" : "", evname);
440 }
441
442 if (rep->time_str)
443 ret += fprintf(fp, " (time slices: %s)", rep->time_str);
444
445 if (symbol_conf.show_ref_callgraph &&
446 strstr(evname, "call-graph=no")) {
447 ret += fprintf(fp, ", show reference callgraph");
448 }
449
450 if (rep->mem_mode) {
451 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
452 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
453 } else
454 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
455
456 if (socked_id > -1)
457 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
458
459 return ret + fprintf(fp, "\n#\n");
460 }
461
462 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
463 struct report *rep,
464 const char *help)
465 {
466 struct perf_evsel *pos;
467
468 if (!quiet) {
469 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
470 evlist->stats.total_lost_samples);
471 }
472
473 evlist__for_each_entry(evlist, pos) {
474 struct hists *hists = evsel__hists(pos);
475 const char *evname = perf_evsel__name(pos);
476
477 if (symbol_conf.event_group &&
478 !perf_evsel__is_group_leader(pos))
479 continue;
480
481 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
482 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
483 !(symbol_conf.use_callchain ||
484 symbol_conf.show_branchflag_count));
485 fprintf(stdout, "\n\n");
486 }
487
488 if (!quiet)
489 fprintf(stdout, "#\n# (%s)\n#\n", help);
490
491 if (rep->show_threads) {
492 bool style = !strcmp(rep->pretty_printing_style, "raw");
493 perf_read_values_display(stdout, &rep->show_threads_values,
494 style);
495 perf_read_values_destroy(&rep->show_threads_values);
496 }
497
498 if (sort__mode == SORT_MODE__BRANCH)
499 branch_type_stat_display(stdout, &rep->brtype_stat);
500
501 return 0;
502 }
503
504 static void report__warn_kptr_restrict(const struct report *rep)
505 {
506 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
507 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
508
509 if (perf_evlist__exclude_kernel(rep->session->evlist))
510 return;
511
512 if (kernel_map == NULL ||
513 (kernel_map->dso->hit &&
514 (kernel_kmap->ref_reloc_sym == NULL ||
515 kernel_kmap->ref_reloc_sym->addr == 0))) {
516 const char *desc =
517 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
518 "can't be resolved.";
519
520 if (kernel_map && map__has_symbols(kernel_map)) {
521 desc = "If some relocation was applied (e.g. "
522 "kexec) symbols may be misresolved.";
523 }
524
525 ui__warning(
526 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
527 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
528 "Samples in kernel modules can't be resolved as well.\n\n",
529 desc);
530 }
531 }
532
533 static int report__gtk_browse_hists(struct report *rep, const char *help)
534 {
535 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
536 struct hist_browser_timer *timer, float min_pcnt);
537
538 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
539
540 if (hist_browser == NULL) {
541 ui__error("GTK browser not found!\n");
542 return -1;
543 }
544
545 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
546 }
547
548 static int report__browse_hists(struct report *rep)
549 {
550 int ret;
551 struct perf_session *session = rep->session;
552 struct perf_evlist *evlist = session->evlist;
553 const char *help = perf_tip(system_path(TIPDIR));
554
555 if (help == NULL) {
556 /* fallback for people who don't install perf ;-) */
557 help = perf_tip(DOCDIR);
558 if (help == NULL)
559 help = "Cannot load tips.txt file, please install perf!";
560 }
561
562 switch (use_browser) {
563 case 1:
564 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
565 rep->min_percent,
566 &session->header.env,
567 true, &rep->annotation_opts);
568 /*
569 * Usually "ret" is the last pressed key, and we only
570 * care if the key notifies us to switch data file.
571 */
572 if (ret != K_SWITCH_INPUT_DATA)
573 ret = 0;
574 break;
575 case 2:
576 ret = report__gtk_browse_hists(rep, help);
577 break;
578 default:
579 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
580 break;
581 }
582
583 return ret;
584 }
585
586 static int report__collapse_hists(struct report *rep)
587 {
588 struct ui_progress prog;
589 struct perf_evsel *pos;
590 int ret = 0;
591
592 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
593
594 evlist__for_each_entry(rep->session->evlist, pos) {
595 struct hists *hists = evsel__hists(pos);
596
597 if (pos->idx == 0)
598 hists->symbol_filter_str = rep->symbol_filter_str;
599
600 hists->socket_filter = rep->socket_filter;
601
602 ret = hists__collapse_resort(hists, &prog);
603 if (ret < 0)
604 break;
605
606 /* Non-group events are considered as leader */
607 if (symbol_conf.event_group &&
608 !perf_evsel__is_group_leader(pos)) {
609 struct hists *leader_hists = evsel__hists(pos->leader);
610
611 hists__match(leader_hists, hists);
612 hists__link(leader_hists, hists);
613 }
614 }
615
616 ui_progress__finish();
617 return ret;
618 }
619
620 static int hists__resort_cb(struct hist_entry *he, void *arg)
621 {
622 struct report *rep = arg;
623 struct symbol *sym = he->ms.sym;
624
625 if (rep->symbol_ipc && sym && !sym->annotate2) {
626 struct perf_evsel *evsel = hists_to_evsel(he->hists);
627
628 symbol__annotate2(sym, he->ms.map, evsel,
629 &annotation__default_options, NULL);
630 }
631
632 return 0;
633 }
634
635 static void report__output_resort(struct report *rep)
636 {
637 struct ui_progress prog;
638 struct perf_evsel *pos;
639
640 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
641
642 evlist__for_each_entry(rep->session->evlist, pos) {
643 perf_evsel__output_resort_cb(pos, &prog,
644 hists__resort_cb, rep);
645 }
646
647 ui_progress__finish();
648 }
649
650 static void stats_setup(struct report *rep)
651 {
652 memset(&rep->tool, 0, sizeof(rep->tool));
653 rep->tool.no_warn = true;
654 }
655
656 static int stats_print(struct report *rep)
657 {
658 struct perf_session *session = rep->session;
659
660 perf_session__fprintf_nr_events(session, stdout);
661 return 0;
662 }
663
664 static void tasks_setup(struct report *rep)
665 {
666 memset(&rep->tool, 0, sizeof(rep->tool));
667 rep->tool.ordered_events = true;
668 if (rep->mmaps_mode) {
669 rep->tool.mmap = perf_event__process_mmap;
670 rep->tool.mmap2 = perf_event__process_mmap2;
671 }
672 rep->tool.comm = perf_event__process_comm;
673 rep->tool.exit = perf_event__process_exit;
674 rep->tool.fork = perf_event__process_fork;
675 rep->tool.no_warn = true;
676 }
677
678 struct task {
679 struct thread *thread;
680 struct list_head list;
681 struct list_head children;
682 };
683
684 static struct task *tasks_list(struct task *task, struct machine *machine)
685 {
686 struct thread *parent_thread, *thread = task->thread;
687 struct task *parent_task;
688
689 /* Already listed. */
690 if (!list_empty(&task->list))
691 return NULL;
692
693 /* Last one in the chain. */
694 if (thread->ppid == -1)
695 return task;
696
697 parent_thread = machine__find_thread(machine, -1, thread->ppid);
698 if (!parent_thread)
699 return ERR_PTR(-ENOENT);
700
701 parent_task = thread__priv(parent_thread);
702 list_add_tail(&task->list, &parent_task->children);
703 return tasks_list(parent_task, machine);
704 }
705
706 static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp)
707 {
708 size_t printed = 0;
709 struct rb_node *nd;
710
711 for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) {
712 struct map *map = rb_entry(nd, struct map, rb_node);
713
714 printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n",
715 indent, "", map->start, map->end,
716 map->prot & PROT_READ ? 'r' : '-',
717 map->prot & PROT_WRITE ? 'w' : '-',
718 map->prot & PROT_EXEC ? 'x' : '-',
719 map->flags & MAP_SHARED ? 's' : 'p',
720 map->pgoff,
721 map->ino, map->dso->name);
722 }
723
724 return printed;
725 }
726
727 static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp)
728 {
729 return maps__fprintf_task(&mg->maps, indent, fp);
730 }
731
732 static void task__print_level(struct task *task, FILE *fp, int level)
733 {
734 struct thread *thread = task->thread;
735 struct task *child;
736 int comm_indent = fprintf(fp, " %8d %8d %8d |%*s",
737 thread->pid_, thread->tid, thread->ppid,
738 level, "");
739
740 fprintf(fp, "%s\n", thread__comm_str(thread));
741
742 map_groups__fprintf_task(thread->mg, comm_indent, fp);
743
744 if (!list_empty(&task->children)) {
745 list_for_each_entry(child, &task->children, list)
746 task__print_level(child, fp, level + 1);
747 }
748 }
749
750 static int tasks_print(struct report *rep, FILE *fp)
751 {
752 struct perf_session *session = rep->session;
753 struct machine *machine = &session->machines.host;
754 struct task *tasks, *task;
755 unsigned int nr = 0, itask = 0, i;
756 struct rb_node *nd;
757 LIST_HEAD(list);
758
759 /*
760 * No locking needed while accessing machine->threads,
761 * because --tasks is single threaded command.
762 */
763
764 /* Count all the threads. */
765 for (i = 0; i < THREADS__TABLE_SIZE; i++)
766 nr += machine->threads[i].nr;
767
768 tasks = malloc(sizeof(*tasks) * nr);
769 if (!tasks)
770 return -ENOMEM;
771
772 for (i = 0; i < THREADS__TABLE_SIZE; i++) {
773 struct threads *threads = &machine->threads[i];
774
775 for (nd = rb_first_cached(&threads->entries); nd;
776 nd = rb_next(nd)) {
777 task = tasks + itask++;
778
779 task->thread = rb_entry(nd, struct thread, rb_node);
780 INIT_LIST_HEAD(&task->children);
781 INIT_LIST_HEAD(&task->list);
782 thread__set_priv(task->thread, task);
783 }
784 }
785
786 /*
787 * Iterate every task down to the unprocessed parent
788 * and link all in task children list. Task with no
789 * parent is added into 'list'.
790 */
791 for (itask = 0; itask < nr; itask++) {
792 task = tasks + itask;
793
794 if (!list_empty(&task->list))
795 continue;
796
797 task = tasks_list(task, machine);
798 if (IS_ERR(task)) {
799 pr_err("Error: failed to process tasks\n");
800 free(tasks);
801 return PTR_ERR(task);
802 }
803
804 if (task)
805 list_add_tail(&task->list, &list);
806 }
807
808 fprintf(fp, "# %8s %8s %8s %s\n", "pid", "tid", "ppid", "comm");
809
810 list_for_each_entry(task, &list, list)
811 task__print_level(task, fp, 0);
812
813 free(tasks);
814 return 0;
815 }
816
817 static int __cmd_report(struct report *rep)
818 {
819 int ret;
820 struct perf_session *session = rep->session;
821 struct perf_evsel *pos;
822 struct perf_data *data = session->data;
823
824 signal(SIGINT, sig_handler);
825
826 if (rep->cpu_list) {
827 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
828 rep->cpu_bitmap);
829 if (ret) {
830 ui__error("failed to set cpu bitmap\n");
831 return ret;
832 }
833 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap;
834 }
835
836 if (rep->show_threads) {
837 ret = perf_read_values_init(&rep->show_threads_values);
838 if (ret)
839 return ret;
840 }
841
842 ret = report__setup_sample_type(rep);
843 if (ret) {
844 /* report__setup_sample_type() already showed error message */
845 return ret;
846 }
847
848 if (rep->stats_mode)
849 stats_setup(rep);
850
851 if (rep->tasks_mode)
852 tasks_setup(rep);
853
854 ret = perf_session__process_events(session);
855 if (ret) {
856 ui__error("failed to process sample\n");
857 return ret;
858 }
859
860 if (rep->stats_mode)
861 return stats_print(rep);
862
863 if (rep->tasks_mode)
864 return tasks_print(rep, stdout);
865
866 report__warn_kptr_restrict(rep);
867
868 evlist__for_each_entry(session->evlist, pos)
869 rep->nr_entries += evsel__hists(pos)->nr_entries;
870
871 if (use_browser == 0) {
872 if (verbose > 3)
873 perf_session__fprintf(session, stdout);
874
875 if (verbose > 2)
876 perf_session__fprintf_dsos(session, stdout);
877
878 if (dump_trace) {
879 perf_session__fprintf_nr_events(session, stdout);
880 perf_evlist__fprintf_nr_events(session->evlist, stdout);
881 return 0;
882 }
883 }
884
885 ret = report__collapse_hists(rep);
886 if (ret) {
887 ui__error("failed to process hist entry\n");
888 return ret;
889 }
890
891 if (session_done())
892 return 0;
893
894 /*
895 * recalculate number of entries after collapsing since it
896 * might be changed during the collapse phase.
897 */
898 rep->nr_entries = 0;
899 evlist__for_each_entry(session->evlist, pos)
900 rep->nr_entries += evsel__hists(pos)->nr_entries;
901
902 if (rep->nr_entries == 0) {
903 ui__error("The %s data has no samples!\n", data->path);
904 return 0;
905 }
906
907 report__output_resort(rep);
908
909 return report__browse_hists(rep);
910 }
911
912 static int
913 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
914 {
915 struct callchain_param *callchain = opt->value;
916
917 callchain->enabled = !unset;
918 /*
919 * --no-call-graph
920 */
921 if (unset) {
922 symbol_conf.use_callchain = false;
923 callchain->mode = CHAIN_NONE;
924 return 0;
925 }
926
927 return parse_callchain_report_opt(arg);
928 }
929
930 static int
931 parse_time_quantum(const struct option *opt, const char *arg,
932 int unset __maybe_unused)
933 {
934 unsigned long *time_q = opt->value;
935 char *end;
936
937 *time_q = strtoul(arg, &end, 0);
938 if (end == arg)
939 goto parse_err;
940 if (*time_q == 0) {
941 pr_err("time quantum cannot be 0");
942 return -1;
943 }
944 end = skip_spaces(end);
945 if (*end == 0)
946 return 0;
947 if (!strcmp(end, "s")) {
948 *time_q *= NSEC_PER_SEC;
949 return 0;
950 }
951 if (!strcmp(end, "ms")) {
952 *time_q *= NSEC_PER_MSEC;
953 return 0;
954 }
955 if (!strcmp(end, "us")) {
956 *time_q *= NSEC_PER_USEC;
957 return 0;
958 }
959 if (!strcmp(end, "ns"))
960 return 0;
961 parse_err:
962 pr_err("Cannot parse time quantum `%s'\n", arg);
963 return -1;
964 }
965
966 int
967 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
968 const char *arg, int unset __maybe_unused)
969 {
970 if (arg) {
971 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
972 if (err) {
973 char buf[BUFSIZ];
974 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
975 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
976 return -1;
977 }
978 have_ignore_callees = 1;
979 }
980
981 return 0;
982 }
983
984 static int
985 parse_branch_mode(const struct option *opt,
986 const char *str __maybe_unused, int unset)
987 {
988 int *branch_mode = opt->value;
989
990 *branch_mode = !unset;
991 return 0;
992 }
993
994 static int
995 parse_percent_limit(const struct option *opt, const char *str,
996 int unset __maybe_unused)
997 {
998 struct report *rep = opt->value;
999 double pcnt = strtof(str, NULL);
1000
1001 rep->min_percent = pcnt;
1002 callchain_param.min_percent = pcnt;
1003 return 0;
1004 }
1005
1006 int cmd_report(int argc, const char **argv)
1007 {
1008 struct perf_session *session;
1009 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
1010 struct stat st;
1011 bool has_br_stack = false;
1012 int branch_mode = -1;
1013 bool branch_call_mode = false;
1014 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
1015 static const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
1016 CALLCHAIN_REPORT_HELP
1017 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
1018 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
1019 const char * const report_usage[] = {
1020 "perf report [<options>]",
1021 NULL
1022 };
1023 struct report report = {
1024 .tool = {
1025 .sample = process_sample_event,
1026 .mmap = perf_event__process_mmap,
1027 .mmap2 = perf_event__process_mmap2,
1028 .comm = perf_event__process_comm,
1029 .namespaces = perf_event__process_namespaces,
1030 .exit = perf_event__process_exit,
1031 .fork = perf_event__process_fork,
1032 .lost = perf_event__process_lost,
1033 .read = process_read_event,
1034 .attr = perf_event__process_attr,
1035 .tracing_data = perf_event__process_tracing_data,
1036 .build_id = perf_event__process_build_id,
1037 .id_index = perf_event__process_id_index,
1038 .auxtrace_info = perf_event__process_auxtrace_info,
1039 .auxtrace = perf_event__process_auxtrace,
1040 .event_update = perf_event__process_event_update,
1041 .feature = process_feature_event,
1042 .ordered_events = true,
1043 .ordering_requires_timestamps = true,
1044 },
1045 .max_stack = PERF_MAX_STACK_DEPTH,
1046 .pretty_printing_style = "normal",
1047 .socket_filter = -1,
1048 .annotation_opts = annotation__default_options,
1049 };
1050 const struct option options[] = {
1051 OPT_STRING('i', "input", &input_name, "file",
1052 "input file name"),
1053 OPT_INCR('v', "verbose", &verbose,
1054 "be more verbose (show symbol address, etc)"),
1055 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
1056 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1057 "dump raw trace in ASCII"),
1058 OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"),
1059 OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"),
1060 OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"),
1061 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1062 "file", "vmlinux pathname"),
1063 OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
1064 "don't load vmlinux even if found"),
1065 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1066 "file", "kallsyms pathname"),
1067 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
1068 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
1069 "load module symbols - WARNING: use only with -k and LIVE kernel"),
1070 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
1071 "Show a column with the number of samples"),
1072 OPT_BOOLEAN('T', "threads", &report.show_threads,
1073 "Show per-thread event counters"),
1074 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
1075 "pretty printing style key: normal raw"),
1076 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
1077 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
1078 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
1079 "Use the stdio interface"),
1080 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
1081 OPT_BOOLEAN(0, "header-only", &report.header_only,
1082 "Show only data header."),
1083 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
1084 sort_help("sort by key(s):")),
1085 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
1086 sort_help("output field(s): overhead period sample ")),
1087 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
1088 "Show sample percentage for different cpu modes"),
1089 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
1090 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
1091 OPT_STRING('p', "parent", &parent_pattern, "regex",
1092 "regex filter to identify parent, see: '--sort parent'"),
1093 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
1094 "Only display entries with parent-match"),
1095 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
1096 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
1097 report_callchain_help, &report_parse_callchain_opt,
1098 callchain_default_opt),
1099 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
1100 "Accumulate callchains of children and show total overhead as well"),
1101 OPT_INTEGER(0, "max-stack", &report.max_stack,
1102 "Set the maximum stack depth when parsing the callchain, "
1103 "anything beyond the specified depth will be ignored. "
1104 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
1105 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
1106 "alias for inverted call graph"),
1107 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
1108 "ignore callees of these functions in call graphs",
1109 report_parse_ignore_callees_opt),
1110 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
1111 "only consider symbols in these dsos"),
1112 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1113 "only consider symbols in these comms"),
1114 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
1115 "only consider symbols in these pids"),
1116 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
1117 "only consider symbols in these tids"),
1118 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1119 "only consider these symbols"),
1120 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
1121 "only show symbols that (partially) match with this filter"),
1122 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
1123 "width[,width...]",
1124 "don't try to adjust column width, use these fixed values"),
1125 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
1126 "separator for columns, no spaces will be added between "
1127 "columns '.' is reserved."),
1128 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
1129 "Only display entries resolved to a symbol"),
1130 OPT_CALLBACK(0, "symfs", NULL, "directory",
1131 "Look for files with symbols relative to this directory",
1132 symbol__config_symfs),
1133 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
1134 "list of cpus to profile"),
1135 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
1136 "Display extended information about perf.data file"),
1137 OPT_BOOLEAN(0, "source", &report.annotation_opts.annotate_src,
1138 "Interleave source code with assembly code (default)"),
1139 OPT_BOOLEAN(0, "asm-raw", &report.annotation_opts.show_asm_raw,
1140 "Display raw encoding of assembly instructions (default)"),
1141 OPT_STRING('M', "disassembler-style", &report.annotation_opts.disassembler_style, "disassembler style",
1142 "Specify disassembler style (e.g. -M intel for intel syntax)"),
1143 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
1144 "Show a column with the sum of periods"),
1145 OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, &report.group_set,
1146 "Show event group information together"),
1147 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
1148 "use branch records for per branch histogram filling",
1149 parse_branch_mode),
1150 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
1151 "add last branch records to call history"),
1152 OPT_STRING(0, "objdump", &report.annotation_opts.objdump_path, "path",
1153 "objdump binary to use for disassembly and annotations"),
1154 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
1155 "Disable symbol demangling"),
1156 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
1157 "Enable kernel symbol demangling"),
1158 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
1159 OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
1160 "Number of samples to save per histogram entry for individual browsing"),
1161 OPT_CALLBACK(0, "percent-limit", &report, "percent",
1162 "Don't show entries under that percent", parse_percent_limit),
1163 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
1164 "how to display percentage of filtered entries", parse_filter_percentage),
1165 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
1166 "Instruction Tracing options\n" ITRACE_HELP,
1167 itrace_parse_synth_opts),
1168 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
1169 "Show full source file name path for source lines"),
1170 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
1171 "Show callgraph from reference event"),
1172 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
1173 "only show processor socket that match with this filter"),
1174 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
1175 "Show raw trace event output (do not use print fmt or plugins)"),
1176 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
1177 "Show entries in a hierarchy"),
1178 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
1179 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
1180 stdio__config_color, "always"),
1181 OPT_STRING(0, "time", &report.time_str, "str",
1182 "Time span of interest (start,stop)"),
1183 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
1184 "Show inline function"),
1185 OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period",
1186 "Set percent type local/global-period/hits",
1187 annotate_parse_percent_type),
1188 OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"),
1189 OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)",
1190 "Set time quantum for time sort key (default 100ms)",
1191 parse_time_quantum),
1192 OPT_END()
1193 };
1194 struct perf_data data = {
1195 .mode = PERF_DATA_MODE_READ,
1196 };
1197 int ret = hists__init();
1198 char sort_tmp[128];
1199
1200 if (ret < 0)
1201 return ret;
1202
1203 ret = perf_config(report__config, &report);
1204 if (ret)
1205 return ret;
1206
1207 argc = parse_options(argc, argv, options, report_usage, 0);
1208 if (argc) {
1209 /*
1210 * Special case: if there's an argument left then assume that
1211 * it's a symbol filter:
1212 */
1213 if (argc > 1)
1214 usage_with_options(report_usage, options);
1215
1216 report.symbol_filter_str = argv[0];
1217 }
1218
1219 if (report.mmaps_mode)
1220 report.tasks_mode = true;
1221
1222 if (quiet)
1223 perf_quiet_option();
1224
1225 if (symbol_conf.vmlinux_name &&
1226 access(symbol_conf.vmlinux_name, R_OK)) {
1227 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
1228 return -EINVAL;
1229 }
1230 if (symbol_conf.kallsyms_name &&
1231 access(symbol_conf.kallsyms_name, R_OK)) {
1232 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
1233 return -EINVAL;
1234 }
1235
1236 if (report.inverted_callchain)
1237 callchain_param.order = ORDER_CALLER;
1238 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
1239 callchain_param.order = ORDER_CALLER;
1240
1241 if (itrace_synth_opts.callchain &&
1242 (int)itrace_synth_opts.callchain_sz > report.max_stack)
1243 report.max_stack = itrace_synth_opts.callchain_sz;
1244
1245 if (!input_name || !strlen(input_name)) {
1246 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
1247 input_name = "-";
1248 else
1249 input_name = "perf.data";
1250 }
1251
1252 data.path = input_name;
1253 data.force = symbol_conf.force;
1254
1255 repeat:
1256 session = perf_session__new(&data, false, &report.tool);
1257 if (session == NULL)
1258 return -1;
1259
1260 if (zstd_init(&(session->zstd_data), 0) < 0)
1261 pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
1262
1263 if (report.queue_size) {
1264 ordered_events__set_alloc_size(&session->ordered_events,
1265 report.queue_size);
1266 }
1267
1268 session->itrace_synth_opts = &itrace_synth_opts;
1269
1270 report.session = session;
1271
1272 has_br_stack = perf_header__has_feat(&session->header,
1273 HEADER_BRANCH_STACK);
1274
1275 setup_forced_leader(&report, session->evlist);
1276
1277 if (itrace_synth_opts.last_branch)
1278 has_br_stack = true;
1279
1280 if (has_br_stack && branch_call_mode)
1281 symbol_conf.show_branchflag_count = true;
1282
1283 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
1284
1285 /*
1286 * Branch mode is a tristate:
1287 * -1 means default, so decide based on the file having branch data.
1288 * 0/1 means the user chose a mode.
1289 */
1290 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
1291 !branch_call_mode) {
1292 sort__mode = SORT_MODE__BRANCH;
1293 symbol_conf.cumulate_callchain = false;
1294 }
1295 if (branch_call_mode) {
1296 callchain_param.key = CCKEY_ADDRESS;
1297 callchain_param.branch_callstack = 1;
1298 symbol_conf.use_callchain = true;
1299 callchain_register_param(&callchain_param);
1300 if (sort_order == NULL)
1301 sort_order = "srcline,symbol,dso";
1302 }
1303
1304 if (report.mem_mode) {
1305 if (sort__mode == SORT_MODE__BRANCH) {
1306 pr_err("branch and mem mode incompatible\n");
1307 goto error;
1308 }
1309 sort__mode = SORT_MODE__MEMORY;
1310 symbol_conf.cumulate_callchain = false;
1311 }
1312
1313 if (symbol_conf.report_hierarchy) {
1314 /* disable incompatible options */
1315 symbol_conf.cumulate_callchain = false;
1316
1317 if (field_order) {
1318 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1319 parse_options_usage(report_usage, options, "F", 1);
1320 parse_options_usage(NULL, options, "hierarchy", 0);
1321 goto error;
1322 }
1323
1324 perf_hpp_list.need_collapse = true;
1325 }
1326
1327 if (report.use_stdio)
1328 use_browser = 0;
1329 else if (report.use_tui)
1330 use_browser = 1;
1331 else if (report.use_gtk)
1332 use_browser = 2;
1333
1334 /* Force tty output for header output and per-thread stat. */
1335 if (report.header || report.header_only || report.show_threads)
1336 use_browser = 0;
1337 if (report.header || report.header_only)
1338 report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
1339 if (report.show_full_info)
1340 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
1341 if (report.stats_mode || report.tasks_mode)
1342 use_browser = 0;
1343 if (report.stats_mode && report.tasks_mode) {
1344 pr_err("Error: --tasks and --mmaps can't be used together with --stats\n");
1345 goto error;
1346 }
1347
1348 if (strcmp(input_name, "-") != 0)
1349 setup_browser(true);
1350 else
1351 use_browser = 0;
1352
1353 if (sort_order && strstr(sort_order, "ipc")) {
1354 parse_options_usage(report_usage, options, "s", 1);
1355 goto error;
1356 }
1357
1358 if (sort_order && strstr(sort_order, "symbol")) {
1359 if (sort__mode == SORT_MODE__BRANCH) {
1360 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1361 sort_order, "ipc_lbr");
1362 report.symbol_ipc = true;
1363 } else {
1364 snprintf(sort_tmp, sizeof(sort_tmp), "%s,%s",
1365 sort_order, "ipc_null");
1366 }
1367
1368 sort_order = sort_tmp;
1369 }
1370
1371 if (setup_sorting(session->evlist) < 0) {
1372 if (sort_order)
1373 parse_options_usage(report_usage, options, "s", 1);
1374 if (field_order)
1375 parse_options_usage(sort_order ? NULL : report_usage,
1376 options, "F", 1);
1377 goto error;
1378 }
1379
1380 if ((report.header || report.header_only) && !quiet) {
1381 perf_session__fprintf_info(session, stdout,
1382 report.show_full_info);
1383 if (report.header_only) {
1384 ret = 0;
1385 goto error;
1386 }
1387 } else if (use_browser == 0 && !quiet &&
1388 !report.stats_mode && !report.tasks_mode) {
1389 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1390 stdout);
1391 }
1392
1393 /*
1394 * Only in the TUI browser we are doing integrated annotation,
1395 * so don't allocate extra space that won't be used in the stdio
1396 * implementation.
1397 */
1398 if (ui__has_annotation() || report.symbol_ipc) {
1399 ret = symbol__annotation_init();
1400 if (ret < 0)
1401 goto error;
1402 /*
1403 * For searching by name on the "Browse map details".
1404 * providing it only in verbose mode not to bloat too
1405 * much struct symbol.
1406 */
1407 if (verbose > 0) {
1408 /*
1409 * XXX: Need to provide a less kludgy way to ask for
1410 * more space per symbol, the u32 is for the index on
1411 * the ui browser.
1412 * See symbol__browser_index.
1413 */
1414 symbol_conf.priv_size += sizeof(u32);
1415 symbol_conf.sort_by_name = true;
1416 }
1417 annotation_config__init();
1418 }
1419
1420 if (symbol__init(&session->header.env) < 0)
1421 goto error;
1422
1423 if (report.time_str) {
1424 ret = perf_time__parse_for_ranges(report.time_str, session,
1425 &report.ptime_range,
1426 &report.range_size,
1427 &report.range_num);
1428 if (ret < 0)
1429 goto error;
1430
1431 itrace_synth_opts__set_time_range(&itrace_synth_opts,
1432 report.ptime_range,
1433 report.range_num);
1434 }
1435
1436 if (session->tevent.pevent &&
1437 tep_set_function_resolver(session->tevent.pevent,
1438 machine__resolve_kernel_addr,
1439 &session->machines.host) < 0) {
1440 pr_err("%s: failed to set libtraceevent function resolver\n",
1441 __func__);
1442 return -1;
1443 }
1444
1445 sort__setup_elide(stdout);
1446
1447 ret = __cmd_report(&report);
1448 if (ret == K_SWITCH_INPUT_DATA) {
1449 perf_session__delete(session);
1450 goto repeat;
1451 } else
1452 ret = 0;
1453
1454 error:
1455 if (report.ptime_range) {
1456 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
1457 zfree(&report.ptime_range);
1458 }
1459 zstd_fini(&(session->zstd_data));
1460 perf_session__delete(session);
1461 return ret;
1462 }
Linux with added FPC-III support