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9#include "builtin.h"
10
11#include "util/util.h"
12#include "util/config.h"
13
14#include "util/annotate.h"
15#include "util/color.h"
16#include <linux/list.h>
17#include <linux/rbtree.h>
18#include "util/symbol.h"
19#include "util/callchain.h"
20#include "util/values.h"
21
22#include "perf.h"
23#include "util/debug.h"
24#include "util/evlist.h"
25#include "util/evsel.h"
26#include "util/header.h"
27#include "util/session.h"
28#include "util/tool.h"
29
30#include <subcmd/parse-options.h>
31#include <subcmd/exec-cmd.h>
32#include "util/parse-events.h"
33
34#include "util/thread.h"
35#include "util/sort.h"
36#include "util/hist.h"
37#include "util/data.h"
38#include "arch/common.h"
39#include "util/time-utils.h"
40#include "util/auxtrace.h"
41#include "util/units.h"
42#include "util/branch.h"
43
44#include <dlfcn.h>
45#include <errno.h>
46#include <inttypes.h>
47#include <regex.h>
48#include <signal.h>
49#include <linux/bitmap.h>
50#include <linux/stringify.h>
51#include <sys/types.h>
52#include <sys/stat.h>
53#include <unistd.h>
54
55struct report {
56 struct perf_tool tool;
57 struct perf_session *session;
58 bool use_tui, use_gtk, use_stdio;
59 bool show_full_info;
60 bool show_threads;
61 bool inverted_callchain;
62 bool mem_mode;
63 bool header;
64 bool header_only;
65 bool nonany_branch_mode;
66 int max_stack;
67 struct perf_read_values show_threads_values;
68 const char *pretty_printing_style;
69 const char *cpu_list;
70 const char *symbol_filter_str;
71 const char *time_str;
72 struct perf_time_interval ptime;
73 float min_percent;
74 u64 nr_entries;
75 u64 queue_size;
76 int socket_filter;
77 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
78 struct branch_type_stat brtype_stat;
79};
80
81static int report__config(const char *var, const char *value, void *cb)
82{
83 struct report *rep = cb;
84
85 if (!strcmp(var, "report.group")) {
86 symbol_conf.event_group = perf_config_bool(var, value);
87 return 0;
88 }
89 if (!strcmp(var, "report.percent-limit")) {
90 double pcnt = strtof(value, NULL);
91
92 rep->min_percent = pcnt;
93 callchain_param.min_percent = pcnt;
94 return 0;
95 }
96 if (!strcmp(var, "report.children")) {
97 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
98 return 0;
99 }
100 if (!strcmp(var, "report.queue-size"))
101 return perf_config_u64(&rep->queue_size, var, value);
102
103 if (!strcmp(var, "report.sort_order")) {
104 default_sort_order = strdup(value);
105 return 0;
106 }
107
108 return 0;
109}
110
111static int hist_iter__report_callback(struct hist_entry_iter *iter,
112 struct addr_location *al, bool single,
113 void *arg)
114{
115 int err = 0;
116 struct report *rep = arg;
117 struct hist_entry *he = iter->he;
118 struct perf_evsel *evsel = iter->evsel;
119 struct perf_sample *sample = iter->sample;
120 struct mem_info *mi;
121 struct branch_info *bi;
122
123 if (!ui__has_annotation())
124 return 0;
125
126 hist__account_cycles(sample->branch_stack, al, sample,
127 rep->nonany_branch_mode);
128
129 if (sort__mode == SORT_MODE__BRANCH) {
130 bi = he->branch_info;
131 err = addr_map_symbol__inc_samples(&bi->from, sample, evsel->idx);
132 if (err)
133 goto out;
134
135 err = addr_map_symbol__inc_samples(&bi->to, sample, evsel->idx);
136
137 } else if (rep->mem_mode) {
138 mi = he->mem_info;
139 err = addr_map_symbol__inc_samples(&mi->daddr, sample, evsel->idx);
140 if (err)
141 goto out;
142
143 err = hist_entry__inc_addr_samples(he, sample, evsel->idx, al->addr);
144
145 } else if (symbol_conf.cumulate_callchain) {
146 if (single)
147 err = hist_entry__inc_addr_samples(he, sample, evsel->idx,
148 al->addr);
149 } else {
150 err = hist_entry__inc_addr_samples(he, sample, evsel->idx, al->addr);
151 }
152
153out:
154 return err;
155}
156
157static int hist_iter__branch_callback(struct hist_entry_iter *iter,
158 struct addr_location *al __maybe_unused,
159 bool single __maybe_unused,
160 void *arg)
161{
162 struct hist_entry *he = iter->he;
163 struct report *rep = arg;
164 struct branch_info *bi;
165
166 bi = he->branch_info;
167 branch_type_count(&rep->brtype_stat, &bi->flags,
168 bi->from.addr, bi->to.addr);
169
170 return 0;
171}
172
173static int process_sample_event(struct perf_tool *tool,
174 union perf_event *event,
175 struct perf_sample *sample,
176 struct perf_evsel *evsel,
177 struct machine *machine)
178{
179 struct report *rep = container_of(tool, struct report, tool);
180 struct addr_location al;
181 struct hist_entry_iter iter = {
182 .evsel = evsel,
183 .sample = sample,
184 .hide_unresolved = symbol_conf.hide_unresolved,
185 .add_entry_cb = hist_iter__report_callback,
186 };
187 int ret = 0;
188
189 if (perf_time__skip_sample(&rep->ptime, sample->time))
190 return 0;
191
192 if (machine__resolve(machine, &al, sample) < 0) {
193 pr_debug("problem processing %d event, skipping it.\n",
194 event->header.type);
195 return -1;
196 }
197
198 if (symbol_conf.hide_unresolved && al.sym == NULL)
199 goto out_put;
200
201 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
202 goto out_put;
203
204 if (sort__mode == SORT_MODE__BRANCH) {
205
206
207
208
209 if (!sample->branch_stack)
210 goto out_put;
211
212 iter.add_entry_cb = hist_iter__branch_callback;
213 iter.ops = &hist_iter_branch;
214 } else if (rep->mem_mode) {
215 iter.ops = &hist_iter_mem;
216 } else if (symbol_conf.cumulate_callchain) {
217 iter.ops = &hist_iter_cumulative;
218 } else {
219 iter.ops = &hist_iter_normal;
220 }
221
222 if (al.map != NULL)
223 al.map->dso->hit = 1;
224
225 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
226 if (ret < 0)
227 pr_debug("problem adding hist entry, skipping event\n");
228out_put:
229 addr_location__put(&al);
230 return ret;
231}
232
233static int process_read_event(struct perf_tool *tool,
234 union perf_event *event,
235 struct perf_sample *sample __maybe_unused,
236 struct perf_evsel *evsel,
237 struct machine *machine __maybe_unused)
238{
239 struct report *rep = container_of(tool, struct report, tool);
240
241 if (rep->show_threads) {
242 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
243 int err = perf_read_values_add_value(&rep->show_threads_values,
244 event->read.pid, event->read.tid,
245 evsel->idx,
246 name,
247 event->read.value);
248
249 if (err)
250 return err;
251 }
252
253 return 0;
254}
255
256
257static int report__setup_sample_type(struct report *rep)
258{
259 struct perf_session *session = rep->session;
260 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
261 bool is_pipe = perf_data__is_pipe(session->data);
262
263 if (session->itrace_synth_opts->callchain ||
264 (!is_pipe &&
265 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
266 !session->itrace_synth_opts->set))
267 sample_type |= PERF_SAMPLE_CALLCHAIN;
268
269 if (session->itrace_synth_opts->last_branch)
270 sample_type |= PERF_SAMPLE_BRANCH_STACK;
271
272 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
273 if (perf_hpp_list.parent) {
274 ui__error("Selected --sort parent, but no "
275 "callchain data. Did you call "
276 "'perf record' without -g?\n");
277 return -EINVAL;
278 }
279 if (symbol_conf.use_callchain &&
280 !symbol_conf.show_branchflag_count) {
281 ui__error("Selected -g or --branch-history.\n"
282 "But no callchain or branch data.\n"
283 "Did you call 'perf record' without -g or -b?\n");
284 return -1;
285 }
286 } else if (!callchain_param.enabled &&
287 callchain_param.mode != CHAIN_NONE &&
288 !symbol_conf.use_callchain) {
289 symbol_conf.use_callchain = true;
290 if (callchain_register_param(&callchain_param) < 0) {
291 ui__error("Can't register callchain params.\n");
292 return -EINVAL;
293 }
294 }
295
296 if (symbol_conf.cumulate_callchain) {
297
298 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
299 symbol_conf.cumulate_callchain = false;
300 perf_hpp__cancel_cumulate();
301 }
302 }
303
304 if (sort__mode == SORT_MODE__BRANCH) {
305 if (!is_pipe &&
306 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
307 ui__error("Selected -b but no branch data. "
308 "Did you call perf record without -b?\n");
309 return -1;
310 }
311 }
312
313 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
314 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
315 (sample_type & PERF_SAMPLE_STACK_USER))
316 callchain_param.record_mode = CALLCHAIN_DWARF;
317 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
318 callchain_param.record_mode = CALLCHAIN_LBR;
319 else
320 callchain_param.record_mode = CALLCHAIN_FP;
321 }
322
323
324 if (!(perf_evlist__combined_branch_type(session->evlist) &
325 PERF_SAMPLE_BRANCH_ANY))
326 rep->nonany_branch_mode = true;
327
328 return 0;
329}
330
331static void sig_handler(int sig __maybe_unused)
332{
333 session_done = 1;
334}
335
336static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
337 const char *evname, FILE *fp)
338{
339 size_t ret;
340 char unit;
341 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
342 u64 nr_events = hists->stats.total_period;
343 struct perf_evsel *evsel = hists_to_evsel(hists);
344 char buf[512];
345 size_t size = sizeof(buf);
346 int socked_id = hists->socket_filter;
347
348 if (quiet)
349 return 0;
350
351 if (symbol_conf.filter_relative) {
352 nr_samples = hists->stats.nr_non_filtered_samples;
353 nr_events = hists->stats.total_non_filtered_period;
354 }
355
356 if (perf_evsel__is_group_event(evsel)) {
357 struct perf_evsel *pos;
358
359 perf_evsel__group_desc(evsel, buf, size);
360 evname = buf;
361
362 for_each_group_member(pos, evsel) {
363 const struct hists *pos_hists = evsel__hists(pos);
364
365 if (symbol_conf.filter_relative) {
366 nr_samples += pos_hists->stats.nr_non_filtered_samples;
367 nr_events += pos_hists->stats.total_non_filtered_period;
368 } else {
369 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
370 nr_events += pos_hists->stats.total_period;
371 }
372 }
373 }
374
375 nr_samples = convert_unit(nr_samples, &unit);
376 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
377 if (evname != NULL)
378 ret += fprintf(fp, " of event '%s'", evname);
379
380 if (symbol_conf.show_ref_callgraph &&
381 strstr(evname, "call-graph=no")) {
382 ret += fprintf(fp, ", show reference callgraph");
383 }
384
385 if (rep->mem_mode) {
386 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
387 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
388 } else
389 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
390
391 if (socked_id > -1)
392 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
393
394 return ret + fprintf(fp, "\n#\n");
395}
396
397static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
398 struct report *rep,
399 const char *help)
400{
401 struct perf_evsel *pos;
402
403 if (!quiet) {
404 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
405 evlist->stats.total_lost_samples);
406 }
407
408 evlist__for_each_entry(evlist, pos) {
409 struct hists *hists = evsel__hists(pos);
410 const char *evname = perf_evsel__name(pos);
411
412 if (symbol_conf.event_group &&
413 !perf_evsel__is_group_leader(pos))
414 continue;
415
416 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
417 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
418 symbol_conf.use_callchain ||
419 symbol_conf.show_branchflag_count);
420 fprintf(stdout, "\n\n");
421 }
422
423 if (!quiet)
424 fprintf(stdout, "#\n# (%s)\n#\n", help);
425
426 if (rep->show_threads) {
427 bool style = !strcmp(rep->pretty_printing_style, "raw");
428 perf_read_values_display(stdout, &rep->show_threads_values,
429 style);
430 perf_read_values_destroy(&rep->show_threads_values);
431 }
432
433 if (sort__mode == SORT_MODE__BRANCH)
434 branch_type_stat_display(stdout, &rep->brtype_stat);
435
436 return 0;
437}
438
439static void report__warn_kptr_restrict(const struct report *rep)
440{
441 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
442 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
443
444 if (perf_evlist__exclude_kernel(rep->session->evlist))
445 return;
446
447 if (kernel_map == NULL ||
448 (kernel_map->dso->hit &&
449 (kernel_kmap->ref_reloc_sym == NULL ||
450 kernel_kmap->ref_reloc_sym->addr == 0))) {
451 const char *desc =
452 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
453 "can't be resolved.";
454
455 if (kernel_map) {
456 const struct dso *kdso = kernel_map->dso;
457 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
458 desc = "If some relocation was applied (e.g. "
459 "kexec) symbols may be misresolved.";
460 }
461 }
462
463 ui__warning(
464"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
465"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
466"Samples in kernel modules can't be resolved as well.\n\n",
467 desc);
468 }
469}
470
471static int report__gtk_browse_hists(struct report *rep, const char *help)
472{
473 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
474 struct hist_browser_timer *timer, float min_pcnt);
475
476 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
477
478 if (hist_browser == NULL) {
479 ui__error("GTK browser not found!\n");
480 return -1;
481 }
482
483 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
484}
485
486static int report__browse_hists(struct report *rep)
487{
488 int ret;
489 struct perf_session *session = rep->session;
490 struct perf_evlist *evlist = session->evlist;
491 const char *help = perf_tip(system_path(TIPDIR));
492
493 if (help == NULL) {
494
495 help = perf_tip(DOCDIR);
496 if (help == NULL)
497 help = "Cannot load tips.txt file, please install perf!";
498 }
499
500 switch (use_browser) {
501 case 1:
502 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
503 rep->min_percent,
504 &session->header.env);
505
506
507
508
509 if (ret != K_SWITCH_INPUT_DATA)
510 ret = 0;
511 break;
512 case 2:
513 ret = report__gtk_browse_hists(rep, help);
514 break;
515 default:
516 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
517 break;
518 }
519
520 return ret;
521}
522
523static int report__collapse_hists(struct report *rep)
524{
525 struct ui_progress prog;
526 struct perf_evsel *pos;
527 int ret = 0;
528
529 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
530
531 evlist__for_each_entry(rep->session->evlist, pos) {
532 struct hists *hists = evsel__hists(pos);
533
534 if (pos->idx == 0)
535 hists->symbol_filter_str = rep->symbol_filter_str;
536
537 hists->socket_filter = rep->socket_filter;
538
539 ret = hists__collapse_resort(hists, &prog);
540 if (ret < 0)
541 break;
542
543
544 if (symbol_conf.event_group &&
545 !perf_evsel__is_group_leader(pos)) {
546 struct hists *leader_hists = evsel__hists(pos->leader);
547
548 hists__match(leader_hists, hists);
549 hists__link(leader_hists, hists);
550 }
551 }
552
553 ui_progress__finish();
554 return ret;
555}
556
557static void report__output_resort(struct report *rep)
558{
559 struct ui_progress prog;
560 struct perf_evsel *pos;
561
562 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
563
564 evlist__for_each_entry(rep->session->evlist, pos)
565 perf_evsel__output_resort(pos, &prog);
566
567 ui_progress__finish();
568}
569
570static int __cmd_report(struct report *rep)
571{
572 int ret;
573 struct perf_session *session = rep->session;
574 struct perf_evsel *pos;
575 struct perf_data *data = session->data;
576
577 signal(SIGINT, sig_handler);
578
579 if (rep->cpu_list) {
580 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
581 rep->cpu_bitmap);
582 if (ret) {
583 ui__error("failed to set cpu bitmap\n");
584 return ret;
585 }
586 session->itrace_synth_opts->cpu_bitmap = rep->cpu_bitmap;
587 }
588
589 if (rep->show_threads) {
590 ret = perf_read_values_init(&rep->show_threads_values);
591 if (ret)
592 return ret;
593 }
594
595 ret = report__setup_sample_type(rep);
596 if (ret) {
597
598 return ret;
599 }
600
601 ret = perf_session__process_events(session);
602 if (ret) {
603 ui__error("failed to process sample\n");
604 return ret;
605 }
606
607 report__warn_kptr_restrict(rep);
608
609 evlist__for_each_entry(session->evlist, pos)
610 rep->nr_entries += evsel__hists(pos)->nr_entries;
611
612 if (use_browser == 0) {
613 if (verbose > 3)
614 perf_session__fprintf(session, stdout);
615
616 if (verbose > 2)
617 perf_session__fprintf_dsos(session, stdout);
618
619 if (dump_trace) {
620 perf_session__fprintf_nr_events(session, stdout);
621 perf_evlist__fprintf_nr_events(session->evlist, stdout);
622 return 0;
623 }
624 }
625
626 ret = report__collapse_hists(rep);
627 if (ret) {
628 ui__error("failed to process hist entry\n");
629 return ret;
630 }
631
632 if (session_done())
633 return 0;
634
635
636
637
638
639 rep->nr_entries = 0;
640 evlist__for_each_entry(session->evlist, pos)
641 rep->nr_entries += evsel__hists(pos)->nr_entries;
642
643 if (rep->nr_entries == 0) {
644 ui__error("The %s file has no samples!\n", data->file.path);
645 return 0;
646 }
647
648 report__output_resort(rep);
649
650 return report__browse_hists(rep);
651}
652
653static int
654report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
655{
656 struct callchain_param *callchain = opt->value;
657
658 callchain->enabled = !unset;
659
660
661
662 if (unset) {
663 symbol_conf.use_callchain = false;
664 callchain->mode = CHAIN_NONE;
665 return 0;
666 }
667
668 return parse_callchain_report_opt(arg);
669}
670
671int
672report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
673 const char *arg, int unset __maybe_unused)
674{
675 if (arg) {
676 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
677 if (err) {
678 char buf[BUFSIZ];
679 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
680 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
681 return -1;
682 }
683 have_ignore_callees = 1;
684 }
685
686 return 0;
687}
688
689static int
690parse_branch_mode(const struct option *opt,
691 const char *str __maybe_unused, int unset)
692{
693 int *branch_mode = opt->value;
694
695 *branch_mode = !unset;
696 return 0;
697}
698
699static int
700parse_percent_limit(const struct option *opt, const char *str,
701 int unset __maybe_unused)
702{
703 struct report *rep = opt->value;
704 double pcnt = strtof(str, NULL);
705
706 rep->min_percent = pcnt;
707 callchain_param.min_percent = pcnt;
708 return 0;
709}
710
711#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
712
713const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
714 CALLCHAIN_REPORT_HELP
715 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
716
717int cmd_report(int argc, const char **argv)
718{
719 struct perf_session *session;
720 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
721 struct stat st;
722 bool has_br_stack = false;
723 int branch_mode = -1;
724 bool branch_call_mode = false;
725 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
726 const char * const report_usage[] = {
727 "perf report [<options>]",
728 NULL
729 };
730 struct report report = {
731 .tool = {
732 .sample = process_sample_event,
733 .mmap = perf_event__process_mmap,
734 .mmap2 = perf_event__process_mmap2,
735 .comm = perf_event__process_comm,
736 .namespaces = perf_event__process_namespaces,
737 .exit = perf_event__process_exit,
738 .fork = perf_event__process_fork,
739 .lost = perf_event__process_lost,
740 .read = process_read_event,
741 .attr = perf_event__process_attr,
742 .tracing_data = perf_event__process_tracing_data,
743 .build_id = perf_event__process_build_id,
744 .id_index = perf_event__process_id_index,
745 .auxtrace_info = perf_event__process_auxtrace_info,
746 .auxtrace = perf_event__process_auxtrace,
747 .feature = perf_event__process_feature,
748 .ordered_events = true,
749 .ordering_requires_timestamps = true,
750 },
751 .max_stack = PERF_MAX_STACK_DEPTH,
752 .pretty_printing_style = "normal",
753 .socket_filter = -1,
754 };
755 const struct option options[] = {
756 OPT_STRING('i', "input", &input_name, "file",
757 "input file name"),
758 OPT_INCR('v', "verbose", &verbose,
759 "be more verbose (show symbol address, etc)"),
760 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
761 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
762 "dump raw trace in ASCII"),
763 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
764 "file", "vmlinux pathname"),
765 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
766 "file", "kallsyms pathname"),
767 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
768 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
769 "load module symbols - WARNING: use only with -k and LIVE kernel"),
770 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
771 "Show a column with the number of samples"),
772 OPT_BOOLEAN('T', "threads", &report.show_threads,
773 "Show per-thread event counters"),
774 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
775 "pretty printing style key: normal raw"),
776 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
777 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
778 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
779 "Use the stdio interface"),
780 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
781 OPT_BOOLEAN(0, "header-only", &report.header_only,
782 "Show only data header."),
783 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
784 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
785 " Please refer the man page for the complete list."),
786 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
787 "output field(s): overhead, period, sample plus all of sort keys"),
788 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
789 "Show sample percentage for different cpu modes"),
790 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
791 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
792 OPT_STRING('p', "parent", &parent_pattern, "regex",
793 "regex filter to identify parent, see: '--sort parent'"),
794 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
795 "Only display entries with parent-match"),
796 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
797 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
798 report_callchain_help, &report_parse_callchain_opt,
799 callchain_default_opt),
800 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
801 "Accumulate callchains of children and show total overhead as well"),
802 OPT_INTEGER(0, "max-stack", &report.max_stack,
803 "Set the maximum stack depth when parsing the callchain, "
804 "anything beyond the specified depth will be ignored. "
805 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
806 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
807 "alias for inverted call graph"),
808 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
809 "ignore callees of these functions in call graphs",
810 report_parse_ignore_callees_opt),
811 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
812 "only consider symbols in these dsos"),
813 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
814 "only consider symbols in these comms"),
815 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
816 "only consider symbols in these pids"),
817 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
818 "only consider symbols in these tids"),
819 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
820 "only consider these symbols"),
821 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
822 "only show symbols that (partially) match with this filter"),
823 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
824 "width[,width...]",
825 "don't try to adjust column width, use these fixed values"),
826 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
827 "separator for columns, no spaces will be added between "
828 "columns '.' is reserved."),
829 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
830 "Only display entries resolved to a symbol"),
831 OPT_CALLBACK(0, "symfs", NULL, "directory",
832 "Look for files with symbols relative to this directory",
833 symbol__config_symfs),
834 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
835 "list of cpus to profile"),
836 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
837 "Display extended information about perf.data file"),
838 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
839 "Interleave source code with assembly code (default)"),
840 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
841 "Display raw encoding of assembly instructions (default)"),
842 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
843 "Specify disassembler style (e.g. -M intel for intel syntax)"),
844 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
845 "Show a column with the sum of periods"),
846 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
847 "Show event group information together"),
848 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
849 "use branch records for per branch histogram filling",
850 parse_branch_mode),
851 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
852 "add last branch records to call history"),
853 OPT_STRING(0, "objdump", &objdump_path, "path",
854 "objdump binary to use for disassembly and annotations"),
855 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
856 "Disable symbol demangling"),
857 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
858 "Enable kernel symbol demangling"),
859 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
860 OPT_CALLBACK(0, "percent-limit", &report, "percent",
861 "Don't show entries under that percent", parse_percent_limit),
862 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
863 "how to display percentage of filtered entries", parse_filter_percentage),
864 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
865 "Instruction Tracing options",
866 itrace_parse_synth_opts),
867 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
868 "Show full source file name path for source lines"),
869 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
870 "Show callgraph from reference event"),
871 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
872 "only show processor socket that match with this filter"),
873 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
874 "Show raw trace event output (do not use print fmt or plugins)"),
875 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
876 "Show entries in a hierarchy"),
877 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
878 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
879 stdio__config_color, "always"),
880 OPT_STRING(0, "time", &report.time_str, "str",
881 "Time span of interest (start,stop)"),
882 OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
883 "Show inline function"),
884 OPT_END()
885 };
886 struct perf_data data = {
887 .mode = PERF_DATA_MODE_READ,
888 };
889 int ret = hists__init();
890
891 if (ret < 0)
892 return ret;
893
894 ret = perf_config(report__config, &report);
895 if (ret)
896 return ret;
897
898 argc = parse_options(argc, argv, options, report_usage, 0);
899 if (argc) {
900
901
902
903
904 if (argc > 1)
905 usage_with_options(report_usage, options);
906
907 report.symbol_filter_str = argv[0];
908 }
909
910 if (quiet)
911 perf_quiet_option();
912
913 if (symbol_conf.vmlinux_name &&
914 access(symbol_conf.vmlinux_name, R_OK)) {
915 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
916 return -EINVAL;
917 }
918 if (symbol_conf.kallsyms_name &&
919 access(symbol_conf.kallsyms_name, R_OK)) {
920 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
921 return -EINVAL;
922 }
923
924 if (report.use_stdio)
925 use_browser = 0;
926 else if (report.use_tui)
927 use_browser = 1;
928 else if (report.use_gtk)
929 use_browser = 2;
930
931 if (report.inverted_callchain)
932 callchain_param.order = ORDER_CALLER;
933 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
934 callchain_param.order = ORDER_CALLER;
935
936 if (itrace_synth_opts.callchain &&
937 (int)itrace_synth_opts.callchain_sz > report.max_stack)
938 report.max_stack = itrace_synth_opts.callchain_sz;
939
940 if (!input_name || !strlen(input_name)) {
941 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
942 input_name = "-";
943 else
944 input_name = "perf.data";
945 }
946
947 data.file.path = input_name;
948 data.force = symbol_conf.force;
949
950repeat:
951 session = perf_session__new(&data, false, &report.tool);
952 if (session == NULL)
953 return -1;
954
955 if (report.queue_size) {
956 ordered_events__set_alloc_size(&session->ordered_events,
957 report.queue_size);
958 }
959
960 session->itrace_synth_opts = &itrace_synth_opts;
961
962 report.session = session;
963
964 has_br_stack = perf_header__has_feat(&session->header,
965 HEADER_BRANCH_STACK);
966
967 if (itrace_synth_opts.last_branch)
968 has_br_stack = true;
969
970 if (has_br_stack && branch_call_mode)
971 symbol_conf.show_branchflag_count = true;
972
973 memset(&report.brtype_stat, 0, sizeof(struct branch_type_stat));
974
975
976
977
978
979
980 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
981 !branch_call_mode) {
982 sort__mode = SORT_MODE__BRANCH;
983 symbol_conf.cumulate_callchain = false;
984 }
985 if (branch_call_mode) {
986 callchain_param.key = CCKEY_ADDRESS;
987 callchain_param.branch_callstack = 1;
988 symbol_conf.use_callchain = true;
989 callchain_register_param(&callchain_param);
990 if (sort_order == NULL)
991 sort_order = "srcline,symbol,dso";
992 }
993
994 if (report.mem_mode) {
995 if (sort__mode == SORT_MODE__BRANCH) {
996 pr_err("branch and mem mode incompatible\n");
997 goto error;
998 }
999 sort__mode = SORT_MODE__MEMORY;
1000 symbol_conf.cumulate_callchain = false;
1001 }
1002
1003 if (symbol_conf.report_hierarchy) {
1004
1005 symbol_conf.cumulate_callchain = false;
1006
1007 if (field_order) {
1008 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
1009 parse_options_usage(report_usage, options, "F", 1);
1010 parse_options_usage(NULL, options, "hierarchy", 0);
1011 goto error;
1012 }
1013
1014 perf_hpp_list.need_collapse = true;
1015 }
1016
1017
1018 if (report.header || report.header_only || report.show_threads)
1019 use_browser = 0;
1020 if (report.header || report.header_only)
1021 report.tool.show_feat_hdr = SHOW_FEAT_HEADER;
1022 if (report.show_full_info)
1023 report.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
1024
1025 if (strcmp(input_name, "-") != 0)
1026 setup_browser(true);
1027 else
1028 use_browser = 0;
1029
1030 if (setup_sorting(session->evlist) < 0) {
1031 if (sort_order)
1032 parse_options_usage(report_usage, options, "s", 1);
1033 if (field_order)
1034 parse_options_usage(sort_order ? NULL : report_usage,
1035 options, "F", 1);
1036 goto error;
1037 }
1038
1039 if ((report.header || report.header_only) && !quiet) {
1040 perf_session__fprintf_info(session, stdout,
1041 report.show_full_info);
1042 if (report.header_only) {
1043 ret = 0;
1044 goto error;
1045 }
1046 } else if (use_browser == 0 && !quiet) {
1047 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1048 stdout);
1049 }
1050
1051
1052
1053
1054
1055
1056 if (ui__has_annotation()) {
1057 ret = symbol__annotation_init();
1058 if (ret < 0)
1059 goto error;
1060
1061
1062
1063
1064
1065 if (verbose > 0) {
1066
1067
1068
1069
1070
1071
1072 symbol_conf.priv_size += sizeof(u32);
1073 symbol_conf.sort_by_name = true;
1074 }
1075 }
1076
1077 if (symbol__init(&session->header.env) < 0)
1078 goto error;
1079
1080 if (perf_time__parse_str(&report.ptime, report.time_str) != 0) {
1081 pr_err("Invalid time string\n");
1082 return -EINVAL;
1083 }
1084
1085 sort__setup_elide(stdout);
1086
1087 ret = __cmd_report(&report);
1088 if (ret == K_SWITCH_INPUT_DATA) {
1089 perf_session__delete(session);
1090 goto repeat;
1091 } else
1092 ret = 0;
1093
1094error:
1095 perf_session__delete(session);
1096 return ret;
1097}
1098
