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xfs: remove unused full argument from bmap
[linux/fpc-iii.git] / tools / perf / builtin-report.c
blob06cc759a459758472fc73925222b3eadd28aeee0
1 /*
2 * builtin-report.c
3 *
4 * Builtin report command: Analyze the perf.data input file,
5 * look up and read DSOs and symbol information and display
6 * a histogram of results, along various sorting keys.
7 */
8 #include "builtin.h"
9
10 #include "util/util.h"
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 "util/symbol.h"
18 #include "util/callchain.h"
19 #include "util/strlist.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
42 #include <dlfcn.h>
43 #include <linux/bitmap.h>
44 #include <linux/stringify.h>
45
46 struct report {
47 struct perf_tool tool;
48 struct perf_session *session;
49 bool use_tui, use_gtk, use_stdio;
50 bool show_full_info;
51 bool show_threads;
52 bool inverted_callchain;
53 bool mem_mode;
54 bool header;
55 bool header_only;
56 bool nonany_branch_mode;
57 int max_stack;
58 struct perf_read_values show_threads_values;
59 const char *pretty_printing_style;
60 const char *cpu_list;
61 const char *symbol_filter_str;
62 const char *time_str;
63 struct perf_time_interval ptime;
64 float min_percent;
65 u64 nr_entries;
66 u64 queue_size;
67 int socket_filter;
68 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
69 };
70
71 static int report__config(const char *var, const char *value, void *cb)
72 {
73 struct report *rep = cb;
74
75 if (!strcmp(var, "report.group")) {
76 symbol_conf.event_group = perf_config_bool(var, value);
77 return 0;
78 }
79 if (!strcmp(var, "report.percent-limit")) {
80 double pcnt = strtof(value, NULL);
81
82 rep->min_percent = pcnt;
83 callchain_param.min_percent = pcnt;
84 return 0;
85 }
86 if (!strcmp(var, "report.children")) {
87 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
88 return 0;
89 }
90 if (!strcmp(var, "report.queue-size")) {
91 rep->queue_size = perf_config_u64(var, value);
92 return 0;
93 }
94 if (!strcmp(var, "report.sort_order")) {
95 default_sort_order = strdup(value);
96 return 0;
97 }
98
99 return 0;
100 }
101
102 static int hist_iter__report_callback(struct hist_entry_iter *iter,
103 struct addr_location *al, bool single,
104 void *arg)
105 {
106 int err = 0;
107 struct report *rep = arg;
108 struct hist_entry *he = iter->he;
109 struct perf_evsel *evsel = iter->evsel;
110 struct mem_info *mi;
111 struct branch_info *bi;
112
113 if (!ui__has_annotation())
114 return 0;
115
116 hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
117 rep->nonany_branch_mode);
118
119 if (sort__mode == SORT_MODE__BRANCH) {
120 bi = he->branch_info;
121 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
122 if (err)
123 goto out;
124
125 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
126
127 } else if (rep->mem_mode) {
128 mi = he->mem_info;
129 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
130 if (err)
131 goto out;
132
133 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
134
135 } else if (symbol_conf.cumulate_callchain) {
136 if (single)
137 err = hist_entry__inc_addr_samples(he, evsel->idx,
138 al->addr);
139 } else {
140 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
141 }
142
143 out:
144 return err;
145 }
146
147 static int process_sample_event(struct perf_tool *tool,
148 union perf_event *event,
149 struct perf_sample *sample,
150 struct perf_evsel *evsel,
151 struct machine *machine)
152 {
153 struct report *rep = container_of(tool, struct report, tool);
154 struct addr_location al;
155 struct hist_entry_iter iter = {
156 .evsel = evsel,
157 .sample = sample,
158 .hide_unresolved = symbol_conf.hide_unresolved,
159 .add_entry_cb = hist_iter__report_callback,
160 };
161 int ret = 0;
162
163 if (perf_time__skip_sample(&rep->ptime, sample->time))
164 return 0;
165
166 if (machine__resolve(machine, &al, sample) < 0) {
167 pr_debug("problem processing %d event, skipping it.\n",
168 event->header.type);
169 return -1;
170 }
171
172 if (symbol_conf.hide_unresolved && al.sym == NULL)
173 goto out_put;
174
175 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
176 goto out_put;
177
178 if (sort__mode == SORT_MODE__BRANCH) {
179 /*
180 * A non-synthesized event might not have a branch stack if
181 * branch stacks have been synthesized (using itrace options).
182 */
183 if (!sample->branch_stack)
184 goto out_put;
185 iter.ops = &hist_iter_branch;
186 } else if (rep->mem_mode) {
187 iter.ops = &hist_iter_mem;
188 } else if (symbol_conf.cumulate_callchain) {
189 iter.ops = &hist_iter_cumulative;
190 } else {
191 iter.ops = &hist_iter_normal;
192 }
193
194 if (al.map != NULL)
195 al.map->dso->hit = 1;
196
197 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
198 if (ret < 0)
199 pr_debug("problem adding hist entry, skipping event\n");
200 out_put:
201 addr_location__put(&al);
202 return ret;
203 }
204
205 static int process_read_event(struct perf_tool *tool,
206 union perf_event *event,
207 struct perf_sample *sample __maybe_unused,
208 struct perf_evsel *evsel,
209 struct machine *machine __maybe_unused)
210 {
211 struct report *rep = container_of(tool, struct report, tool);
212
213 if (rep->show_threads) {
214 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
215 int err = perf_read_values_add_value(&rep->show_threads_values,
216 event->read.pid, event->read.tid,
217 event->read.id,
218 name,
219 event->read.value);
220
221 if (err)
222 return err;
223 }
224
225 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
226 evsel ? perf_evsel__name(evsel) : "FAIL",
227 event->read.value);
228
229 return 0;
230 }
231
232 /* For pipe mode, sample_type is not currently set */
233 static int report__setup_sample_type(struct report *rep)
234 {
235 struct perf_session *session = rep->session;
236 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
237 bool is_pipe = perf_data_file__is_pipe(session->file);
238
239 if (session->itrace_synth_opts->callchain ||
240 (!is_pipe &&
241 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
242 !session->itrace_synth_opts->set))
243 sample_type |= PERF_SAMPLE_CALLCHAIN;
244
245 if (session->itrace_synth_opts->last_branch)
246 sample_type |= PERF_SAMPLE_BRANCH_STACK;
247
248 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
249 if (perf_hpp_list.parent) {
250 ui__error("Selected --sort parent, but no "
251 "callchain data. Did you call "
252 "'perf record' without -g?\n");
253 return -EINVAL;
254 }
255 if (symbol_conf.use_callchain) {
256 ui__error("Selected -g or --branch-history but no "
257 "callchain data. Did\n"
258 "you call 'perf record' without -g?\n");
259 return -1;
260 }
261 } else if (!callchain_param.enabled &&
262 callchain_param.mode != CHAIN_NONE &&
263 !symbol_conf.use_callchain) {
264 symbol_conf.use_callchain = true;
265 if (callchain_register_param(&callchain_param) < 0) {
266 ui__error("Can't register callchain params.\n");
267 return -EINVAL;
268 }
269 }
270
271 if (symbol_conf.cumulate_callchain) {
272 /* Silently ignore if callchain is missing */
273 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
274 symbol_conf.cumulate_callchain = false;
275 perf_hpp__cancel_cumulate();
276 }
277 }
278
279 if (sort__mode == SORT_MODE__BRANCH) {
280 if (!is_pipe &&
281 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
282 ui__error("Selected -b but no branch data. "
283 "Did you call perf record without -b?\n");
284 return -1;
285 }
286 }
287
288 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
289 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
290 (sample_type & PERF_SAMPLE_STACK_USER))
291 callchain_param.record_mode = CALLCHAIN_DWARF;
292 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
293 callchain_param.record_mode = CALLCHAIN_LBR;
294 else
295 callchain_param.record_mode = CALLCHAIN_FP;
296 }
297
298 /* ??? handle more cases than just ANY? */
299 if (!(perf_evlist__combined_branch_type(session->evlist) &
300 PERF_SAMPLE_BRANCH_ANY))
301 rep->nonany_branch_mode = true;
302
303 return 0;
304 }
305
306 static void sig_handler(int sig __maybe_unused)
307 {
308 session_done = 1;
309 }
310
311 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
312 const char *evname, FILE *fp)
313 {
314 size_t ret;
315 char unit;
316 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
317 u64 nr_events = hists->stats.total_period;
318 struct perf_evsel *evsel = hists_to_evsel(hists);
319 char buf[512];
320 size_t size = sizeof(buf);
321 int socked_id = hists->socket_filter;
322
323 if (symbol_conf.filter_relative) {
324 nr_samples = hists->stats.nr_non_filtered_samples;
325 nr_events = hists->stats.total_non_filtered_period;
326 }
327
328 if (perf_evsel__is_group_event(evsel)) {
329 struct perf_evsel *pos;
330
331 perf_evsel__group_desc(evsel, buf, size);
332 evname = buf;
333
334 for_each_group_member(pos, evsel) {
335 const struct hists *pos_hists = evsel__hists(pos);
336
337 if (symbol_conf.filter_relative) {
338 nr_samples += pos_hists->stats.nr_non_filtered_samples;
339 nr_events += pos_hists->stats.total_non_filtered_period;
340 } else {
341 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
342 nr_events += pos_hists->stats.total_period;
343 }
344 }
345 }
346
347 nr_samples = convert_unit(nr_samples, &unit);
348 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
349 if (evname != NULL)
350 ret += fprintf(fp, " of event '%s'", evname);
351
352 if (symbol_conf.show_ref_callgraph &&
353 strstr(evname, "call-graph=no")) {
354 ret += fprintf(fp, ", show reference callgraph");
355 }
356
357 if (rep->mem_mode) {
358 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
359 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
360 } else
361 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
362
363 if (socked_id > -1)
364 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
365
366 return ret + fprintf(fp, "\n#\n");
367 }
368
369 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
370 struct report *rep,
371 const char *help)
372 {
373 struct perf_evsel *pos;
374
375 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples);
376 evlist__for_each_entry(evlist, pos) {
377 struct hists *hists = evsel__hists(pos);
378 const char *evname = perf_evsel__name(pos);
379
380 if (symbol_conf.event_group &&
381 !perf_evsel__is_group_leader(pos))
382 continue;
383
384 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
385 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout,
386 symbol_conf.use_callchain);
387 fprintf(stdout, "\n\n");
388 }
389
390 if (sort_order == NULL &&
391 parent_pattern == default_parent_pattern)
392 fprintf(stdout, "#\n# (%s)\n#\n", help);
393
394 if (rep->show_threads) {
395 bool style = !strcmp(rep->pretty_printing_style, "raw");
396 perf_read_values_display(stdout, &rep->show_threads_values,
397 style);
398 perf_read_values_destroy(&rep->show_threads_values);
399 }
400
401 return 0;
402 }
403
404 static void report__warn_kptr_restrict(const struct report *rep)
405 {
406 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
407 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
408
409 if (kernel_map == NULL ||
410 (kernel_map->dso->hit &&
411 (kernel_kmap->ref_reloc_sym == NULL ||
412 kernel_kmap->ref_reloc_sym->addr == 0))) {
413 const char *desc =
414 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
415 "can't be resolved.";
416
417 if (kernel_map) {
418 const struct dso *kdso = kernel_map->dso;
419 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
420 desc = "If some relocation was applied (e.g. "
421 "kexec) symbols may be misresolved.";
422 }
423 }
424
425 ui__warning(
426 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
427 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
428 "Samples in kernel modules can't be resolved as well.\n\n",
429 desc);
430 }
431 }
432
433 static int report__gtk_browse_hists(struct report *rep, const char *help)
434 {
435 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
436 struct hist_browser_timer *timer, float min_pcnt);
437
438 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
439
440 if (hist_browser == NULL) {
441 ui__error("GTK browser not found!\n");
442 return -1;
443 }
444
445 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
446 }
447
448 static int report__browse_hists(struct report *rep)
449 {
450 int ret;
451 struct perf_session *session = rep->session;
452 struct perf_evlist *evlist = session->evlist;
453 const char *help = perf_tip(system_path(TIPDIR));
454
455 if (help == NULL) {
456 /* fallback for people who don't install perf ;-) */
457 help = perf_tip(DOCDIR);
458 if (help == NULL)
459 help = "Cannot load tips.txt file, please install perf!";
460 }
461
462 switch (use_browser) {
463 case 1:
464 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
465 rep->min_percent,
466 &session->header.env);
467 /*
468 * Usually "ret" is the last pressed key, and we only
469 * care if the key notifies us to switch data file.
470 */
471 if (ret != K_SWITCH_INPUT_DATA)
472 ret = 0;
473 break;
474 case 2:
475 ret = report__gtk_browse_hists(rep, help);
476 break;
477 default:
478 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
479 break;
480 }
481
482 return ret;
483 }
484
485 static int report__collapse_hists(struct report *rep)
486 {
487 struct ui_progress prog;
488 struct perf_evsel *pos;
489 int ret = 0;
490
491 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
492
493 evlist__for_each_entry(rep->session->evlist, pos) {
494 struct hists *hists = evsel__hists(pos);
495
496 if (pos->idx == 0)
497 hists->symbol_filter_str = rep->symbol_filter_str;
498
499 hists->socket_filter = rep->socket_filter;
500
501 ret = hists__collapse_resort(hists, &prog);
502 if (ret < 0)
503 break;
504
505 /* Non-group events are considered as leader */
506 if (symbol_conf.event_group &&
507 !perf_evsel__is_group_leader(pos)) {
508 struct hists *leader_hists = evsel__hists(pos->leader);
509
510 hists__match(leader_hists, hists);
511 hists__link(leader_hists, hists);
512 }
513 }
514
515 ui_progress__finish();
516 return ret;
517 }
518
519 static void report__output_resort(struct report *rep)
520 {
521 struct ui_progress prog;
522 struct perf_evsel *pos;
523
524 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
525
526 evlist__for_each_entry(rep->session->evlist, pos)
527 perf_evsel__output_resort(pos, &prog);
528
529 ui_progress__finish();
530 }
531
532 static int __cmd_report(struct report *rep)
533 {
534 int ret;
535 struct perf_session *session = rep->session;
536 struct perf_evsel *pos;
537 struct perf_data_file *file = session->file;
538
539 signal(SIGINT, sig_handler);
540
541 if (rep->cpu_list) {
542 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
543 rep->cpu_bitmap);
544 if (ret) {
545 ui__error("failed to set cpu bitmap\n");
546 return ret;
547 }
548 }
549
550 if (rep->show_threads) {
551 ret = perf_read_values_init(&rep->show_threads_values);
552 if (ret)
553 return ret;
554 }
555
556 ret = report__setup_sample_type(rep);
557 if (ret) {
558 /* report__setup_sample_type() already showed error message */
559 return ret;
560 }
561
562 ret = perf_session__process_events(session);
563 if (ret) {
564 ui__error("failed to process sample\n");
565 return ret;
566 }
567
568 report__warn_kptr_restrict(rep);
569
570 evlist__for_each_entry(session->evlist, pos)
571 rep->nr_entries += evsel__hists(pos)->nr_entries;
572
573 if (use_browser == 0) {
574 if (verbose > 3)
575 perf_session__fprintf(session, stdout);
576
577 if (verbose > 2)
578 perf_session__fprintf_dsos(session, stdout);
579
580 if (dump_trace) {
581 perf_session__fprintf_nr_events(session, stdout);
582 perf_evlist__fprintf_nr_events(session->evlist, stdout);
583 return 0;
584 }
585 }
586
587 ret = report__collapse_hists(rep);
588 if (ret) {
589 ui__error("failed to process hist entry\n");
590 return ret;
591 }
592
593 if (session_done())
594 return 0;
595
596 /*
597 * recalculate number of entries after collapsing since it
598 * might be changed during the collapse phase.
599 */
600 rep->nr_entries = 0;
601 evlist__for_each_entry(session->evlist, pos)
602 rep->nr_entries += evsel__hists(pos)->nr_entries;
603
604 if (rep->nr_entries == 0) {
605 ui__error("The %s file has no samples!\n", file->path);
606 return 0;
607 }
608
609 report__output_resort(rep);
610
611 return report__browse_hists(rep);
612 }
613
614 static int
615 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
616 {
617 struct callchain_param *callchain = opt->value;
618
619 callchain->enabled = !unset;
620 /*
621 * --no-call-graph
622 */
623 if (unset) {
624 symbol_conf.use_callchain = false;
625 callchain->mode = CHAIN_NONE;
626 return 0;
627 }
628
629 return parse_callchain_report_opt(arg);
630 }
631
632 int
633 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
634 const char *arg, int unset __maybe_unused)
635 {
636 if (arg) {
637 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
638 if (err) {
639 char buf[BUFSIZ];
640 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
641 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
642 return -1;
643 }
644 have_ignore_callees = 1;
645 }
646
647 return 0;
648 }
649
650 static int
651 parse_branch_mode(const struct option *opt,
652 const char *str __maybe_unused, int unset)
653 {
654 int *branch_mode = opt->value;
655
656 *branch_mode = !unset;
657 return 0;
658 }
659
660 static int
661 parse_percent_limit(const struct option *opt, const char *str,
662 int unset __maybe_unused)
663 {
664 struct report *rep = opt->value;
665 double pcnt = strtof(str, NULL);
666
667 rep->min_percent = pcnt;
668 callchain_param.min_percent = pcnt;
669 return 0;
670 }
671
672 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
673
674 const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
675 CALLCHAIN_REPORT_HELP
676 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
677
678 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
679 {
680 struct perf_session *session;
681 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
682 struct stat st;
683 bool has_br_stack = false;
684 int branch_mode = -1;
685 bool branch_call_mode = false;
686 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
687 const char * const report_usage[] = {
688 "perf report [<options>]",
689 NULL
690 };
691 struct report report = {
692 .tool = {
693 .sample = process_sample_event,
694 .mmap = perf_event__process_mmap,
695 .mmap2 = perf_event__process_mmap2,
696 .comm = perf_event__process_comm,
697 .exit = perf_event__process_exit,
698 .fork = perf_event__process_fork,
699 .lost = perf_event__process_lost,
700 .read = process_read_event,
701 .attr = perf_event__process_attr,
702 .tracing_data = perf_event__process_tracing_data,
703 .build_id = perf_event__process_build_id,
704 .id_index = perf_event__process_id_index,
705 .auxtrace_info = perf_event__process_auxtrace_info,
706 .auxtrace = perf_event__process_auxtrace,
707 .ordered_events = true,
708 .ordering_requires_timestamps = true,
709 },
710 .max_stack = PERF_MAX_STACK_DEPTH,
711 .pretty_printing_style = "normal",
712 .socket_filter = -1,
713 };
714 const struct option options[] = {
715 OPT_STRING('i', "input", &input_name, "file",
716 "input file name"),
717 OPT_INCR('v', "verbose", &verbose,
718 "be more verbose (show symbol address, etc)"),
719 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
720 "dump raw trace in ASCII"),
721 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
722 "file", "vmlinux pathname"),
723 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
724 "file", "kallsyms pathname"),
725 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
726 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
727 "load module symbols - WARNING: use only with -k and LIVE kernel"),
728 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
729 "Show a column with the number of samples"),
730 OPT_BOOLEAN('T', "threads", &report.show_threads,
731 "Show per-thread event counters"),
732 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
733 "pretty printing style key: normal raw"),
734 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
735 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
736 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
737 "Use the stdio interface"),
738 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
739 OPT_BOOLEAN(0, "header-only", &report.header_only,
740 "Show only data header."),
741 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
742 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
743 " Please refer the man page for the complete list."),
744 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
745 "output field(s): overhead, period, sample plus all of sort keys"),
746 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
747 "Show sample percentage for different cpu modes"),
748 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
749 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
750 OPT_STRING('p', "parent", &parent_pattern, "regex",
751 "regex filter to identify parent, see: '--sort parent'"),
752 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
753 "Only display entries with parent-match"),
754 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
755 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
756 report_callchain_help, &report_parse_callchain_opt,
757 callchain_default_opt),
758 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
759 "Accumulate callchains of children and show total overhead as well"),
760 OPT_INTEGER(0, "max-stack", &report.max_stack,
761 "Set the maximum stack depth when parsing the callchain, "
762 "anything beyond the specified depth will be ignored. "
763 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
764 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
765 "alias for inverted call graph"),
766 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
767 "ignore callees of these functions in call graphs",
768 report_parse_ignore_callees_opt),
769 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
770 "only consider symbols in these dsos"),
771 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
772 "only consider symbols in these comms"),
773 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
774 "only consider symbols in these pids"),
775 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
776 "only consider symbols in these tids"),
777 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
778 "only consider these symbols"),
779 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
780 "only show symbols that (partially) match with this filter"),
781 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
782 "width[,width...]",
783 "don't try to adjust column width, use these fixed values"),
784 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
785 "separator for columns, no spaces will be added between "
786 "columns '.' is reserved."),
787 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
788 "Only display entries resolved to a symbol"),
789 OPT_CALLBACK(0, "symfs", NULL, "directory",
790 "Look for files with symbols relative to this directory",
791 symbol__config_symfs),
792 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
793 "list of cpus to profile"),
794 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
795 "Display extended information about perf.data file"),
796 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
797 "Interleave source code with assembly code (default)"),
798 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
799 "Display raw encoding of assembly instructions (default)"),
800 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
801 "Specify disassembler style (e.g. -M intel for intel syntax)"),
802 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
803 "Show a column with the sum of periods"),
804 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
805 "Show event group information together"),
806 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
807 "use branch records for per branch histogram filling",
808 parse_branch_mode),
809 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
810 "add last branch records to call history"),
811 OPT_STRING(0, "objdump", &objdump_path, "path",
812 "objdump binary to use for disassembly and annotations"),
813 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
814 "Disable symbol demangling"),
815 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
816 "Enable kernel symbol demangling"),
817 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
818 OPT_CALLBACK(0, "percent-limit", &report, "percent",
819 "Don't show entries under that percent", parse_percent_limit),
820 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
821 "how to display percentage of filtered entries", parse_filter_percentage),
822 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
823 "Instruction Tracing options",
824 itrace_parse_synth_opts),
825 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
826 "Show full source file name path for source lines"),
827 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
828 "Show callgraph from reference event"),
829 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
830 "only show processor socket that match with this filter"),
831 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
832 "Show raw trace event output (do not use print fmt or plugins)"),
833 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
834 "Show entries in a hierarchy"),
835 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
836 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
837 stdio__config_color, "always"),
838 OPT_STRING(0, "time", &report.time_str, "str",
839 "Time span of interest (start,stop)"),
840 OPT_END()
841 };
842 struct perf_data_file file = {
843 .mode = PERF_DATA_MODE_READ,
844 };
845 int ret = hists__init();
846
847 if (ret < 0)
848 return ret;
849
850 perf_config(report__config, &report);
851
852 argc = parse_options(argc, argv, options, report_usage, 0);
853 if (argc) {
854 /*
855 * Special case: if there's an argument left then assume that
856 * it's a symbol filter:
857 */
858 if (argc > 1)
859 usage_with_options(report_usage, options);
860
861 report.symbol_filter_str = argv[0];
862 }
863
864 if (symbol_conf.vmlinux_name &&
865 access(symbol_conf.vmlinux_name, R_OK)) {
866 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
867 return -EINVAL;
868 }
869 if (symbol_conf.kallsyms_name &&
870 access(symbol_conf.kallsyms_name, R_OK)) {
871 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
872 return -EINVAL;
873 }
874
875 if (report.use_stdio)
876 use_browser = 0;
877 else if (report.use_tui)
878 use_browser = 1;
879 else if (report.use_gtk)
880 use_browser = 2;
881
882 if (report.inverted_callchain)
883 callchain_param.order = ORDER_CALLER;
884 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
885 callchain_param.order = ORDER_CALLER;
886
887 if (itrace_synth_opts.callchain &&
888 (int)itrace_synth_opts.callchain_sz > report.max_stack)
889 report.max_stack = itrace_synth_opts.callchain_sz;
890
891 if (!input_name || !strlen(input_name)) {
892 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
893 input_name = "-";
894 else
895 input_name = "perf.data";
896 }
897
898 file.path = input_name;
899 file.force = symbol_conf.force;
900
901 repeat:
902 session = perf_session__new(&file, false, &report.tool);
903 if (session == NULL)
904 return -1;
905
906 if (report.queue_size) {
907 ordered_events__set_alloc_size(&session->ordered_events,
908 report.queue_size);
909 }
910
911 session->itrace_synth_opts = &itrace_synth_opts;
912
913 report.session = session;
914
915 has_br_stack = perf_header__has_feat(&session->header,
916 HEADER_BRANCH_STACK);
917
918 if (itrace_synth_opts.last_branch)
919 has_br_stack = true;
920
921 if (has_br_stack && branch_call_mode)
922 symbol_conf.show_branchflag_count = true;
923
924 /*
925 * Branch mode is a tristate:
926 * -1 means default, so decide based on the file having branch data.
927 * 0/1 means the user chose a mode.
928 */
929 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
930 !branch_call_mode) {
931 sort__mode = SORT_MODE__BRANCH;
932 symbol_conf.cumulate_callchain = false;
933 }
934 if (branch_call_mode) {
935 callchain_param.key = CCKEY_ADDRESS;
936 callchain_param.branch_callstack = 1;
937 symbol_conf.use_callchain = true;
938 callchain_register_param(&callchain_param);
939 if (sort_order == NULL)
940 sort_order = "srcline,symbol,dso";
941 }
942
943 if (report.mem_mode) {
944 if (sort__mode == SORT_MODE__BRANCH) {
945 pr_err("branch and mem mode incompatible\n");
946 goto error;
947 }
948 sort__mode = SORT_MODE__MEMORY;
949 symbol_conf.cumulate_callchain = false;
950 }
951
952 if (symbol_conf.report_hierarchy) {
953 /* disable incompatible options */
954 symbol_conf.cumulate_callchain = false;
955
956 if (field_order) {
957 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
958 parse_options_usage(report_usage, options, "F", 1);
959 parse_options_usage(NULL, options, "hierarchy", 0);
960 goto error;
961 }
962
963 perf_hpp_list.need_collapse = true;
964 }
965
966 /* Force tty output for header output and per-thread stat. */
967 if (report.header || report.header_only || report.show_threads)
968 use_browser = 0;
969
970 if (strcmp(input_name, "-") != 0)
971 setup_browser(true);
972 else
973 use_browser = 0;
974
975 if (setup_sorting(session->evlist) < 0) {
976 if (sort_order)
977 parse_options_usage(report_usage, options, "s", 1);
978 if (field_order)
979 parse_options_usage(sort_order ? NULL : report_usage,
980 options, "F", 1);
981 goto error;
982 }
983
984 if (report.header || report.header_only) {
985 perf_session__fprintf_info(session, stdout,
986 report.show_full_info);
987 if (report.header_only) {
988 ret = 0;
989 goto error;
990 }
991 } else if (use_browser == 0) {
992 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
993 stdout);
994 }
995
996 /*
997 * Only in the TUI browser we are doing integrated annotation,
998 * so don't allocate extra space that won't be used in the stdio
999 * implementation.
1000 */
1001 if (ui__has_annotation()) {
1002 ret = symbol__annotation_init();
1003 if (ret < 0)
1004 goto error;
1005 /*
1006 * For searching by name on the "Browse map details".
1007 * providing it only in verbose mode not to bloat too
1008 * much struct symbol.
1009 */
1010 if (verbose) {
1011 /*
1012 * XXX: Need to provide a less kludgy way to ask for
1013 * more space per symbol, the u32 is for the index on
1014 * the ui browser.
1015 * See symbol__browser_index.
1016 */
1017 symbol_conf.priv_size += sizeof(u32);
1018 symbol_conf.sort_by_name = true;
1019 }
1020 }
1021
1022 if (symbol__init(&session->header.env) < 0)
1023 goto error;
1024
1025 if (perf_time__parse_str(&report.ptime, report.time_str) != 0) {
1026 pr_err("Invalid time string\n");
1027 return -EINVAL;
1028 }
1029
1030 sort__setup_elide(stdout);
1031
1032 ret = __cmd_report(&report);
1033 if (ret == K_SWITCH_INPUT_DATA) {
1034 perf_session__delete(session);
1035 goto repeat;
1036 } else
1037 ret = 0;
1038
1039 error:
1040 perf_session__delete(session);
1041 return ret;
1042 }
Linux with added FPC-III support