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kvm: Delete prototype for non-existent function complete_pio
[linux-2.6/btrfs-unstable.git] / tools / perf / builtin-report.c
blob72eae7498c09419c8f1f77a7a005c6dcbbb5eb4b
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/cache.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 "util/parse-options.h"
31 #include "util/parse-events.h"
32
33 #include "util/thread.h"
34 #include "util/sort.h"
35 #include "util/hist.h"
36 #include "arch/common.h"
37
38 #include <linux/bitmap.h>
39
40 struct perf_report {
41 struct perf_tool tool;
42 struct perf_session *session;
43 bool force, use_tui, use_gtk, use_stdio;
44 bool hide_unresolved;
45 bool dont_use_callchains;
46 bool show_full_info;
47 bool show_threads;
48 bool inverted_callchain;
49 bool mem_mode;
50 struct perf_read_values show_threads_values;
51 const char *pretty_printing_style;
52 const char *cpu_list;
53 const char *symbol_filter_str;
54 float min_percent;
55 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
56 };
57
58 static int perf_report_config(const char *var, const char *value, void *cb)
59 {
60 if (!strcmp(var, "report.group")) {
61 symbol_conf.event_group = perf_config_bool(var, value);
62 return 0;
63 }
64 if (!strcmp(var, "report.percent-limit")) {
65 struct perf_report *rep = cb;
66 rep->min_percent = strtof(value, NULL);
67 return 0;
68 }
69
70 return perf_default_config(var, value, cb);
71 }
72
73 static int perf_report__add_mem_hist_entry(struct perf_tool *tool,
74 struct addr_location *al,
75 struct perf_sample *sample,
76 struct perf_evsel *evsel,
77 struct machine *machine,
78 union perf_event *event)
79 {
80 struct perf_report *rep = container_of(tool, struct perf_report, tool);
81 struct symbol *parent = NULL;
82 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
83 int err = 0;
84 struct hist_entry *he;
85 struct mem_info *mi, *mx;
86 uint64_t cost;
87
88 if ((sort__has_parent || symbol_conf.use_callchain) &&
89 sample->callchain) {
90 err = machine__resolve_callchain(machine, evsel, al->thread,
91 sample, &parent, al);
92 if (err)
93 return err;
94 }
95
96 mi = machine__resolve_mem(machine, al->thread, sample, cpumode);
97 if (!mi)
98 return -ENOMEM;
99
100 if (rep->hide_unresolved && !al->sym)
101 return 0;
102
103 cost = sample->weight;
104 if (!cost)
105 cost = 1;
106
107 /*
108 * must pass period=weight in order to get the correct
109 * sorting from hists__collapse_resort() which is solely
110 * based on periods. We want sorting be done on nr_events * weight
111 * and this is indirectly achieved by passing period=weight here
112 * and the he_stat__add_period() function.
113 */
114 he = __hists__add_mem_entry(&evsel->hists, al, parent, mi, cost, cost);
115 if (!he)
116 return -ENOMEM;
117
118 /*
119 * In the TUI browser, we are doing integrated annotation,
120 * so we don't allocate the extra space needed because the stdio
121 * code will not use it.
122 */
123 if (sort__has_sym && he->ms.sym && use_browser > 0) {
124 struct annotation *notes = symbol__annotation(he->ms.sym);
125
126 assert(evsel != NULL);
127
128 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
129 goto out;
130
131 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
132 if (err)
133 goto out;
134 }
135
136 if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) {
137 struct annotation *notes;
138
139 mx = he->mem_info;
140
141 notes = symbol__annotation(mx->daddr.sym);
142 if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0)
143 goto out;
144
145 err = symbol__inc_addr_samples(mx->daddr.sym,
146 mx->daddr.map,
147 evsel->idx,
148 mx->daddr.al_addr);
149 if (err)
150 goto out;
151 }
152
153 evsel->hists.stats.total_period += cost;
154 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
155 err = 0;
156
157 if (symbol_conf.use_callchain) {
158 err = callchain_append(he->callchain,
159 &callchain_cursor,
160 sample->period);
161 }
162 out:
163 return err;
164 }
165
166 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
167 struct addr_location *al,
168 struct perf_sample *sample,
169 struct perf_evsel *evsel,
170 struct machine *machine)
171 {
172 struct perf_report *rep = container_of(tool, struct perf_report, tool);
173 struct symbol *parent = NULL;
174 int err = 0;
175 unsigned i;
176 struct hist_entry *he;
177 struct branch_info *bi, *bx;
178
179 if ((sort__has_parent || symbol_conf.use_callchain)
180 && sample->callchain) {
181 err = machine__resolve_callchain(machine, evsel, al->thread,
182 sample, &parent, al);
183 if (err)
184 return err;
185 }
186
187 bi = machine__resolve_bstack(machine, al->thread,
188 sample->branch_stack);
189 if (!bi)
190 return -ENOMEM;
191
192 for (i = 0; i < sample->branch_stack->nr; i++) {
193 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
194 continue;
195
196 err = -ENOMEM;
197
198 /*
199 * The report shows the percentage of total branches captured
200 * and not events sampled. Thus we use a pseudo period of 1.
201 */
202 he = __hists__add_branch_entry(&evsel->hists, al, parent,
203 &bi[i], 1, 1);
204 if (he) {
205 struct annotation *notes;
206 bx = he->branch_info;
207 if (bx->from.sym && use_browser == 1 && sort__has_sym) {
208 notes = symbol__annotation(bx->from.sym);
209 if (!notes->src
210 && symbol__alloc_hist(bx->from.sym) < 0)
211 goto out;
212
213 err = symbol__inc_addr_samples(bx->from.sym,
214 bx->from.map,
215 evsel->idx,
216 bx->from.al_addr);
217 if (err)
218 goto out;
219 }
220
221 if (bx->to.sym && use_browser == 1 && sort__has_sym) {
222 notes = symbol__annotation(bx->to.sym);
223 if (!notes->src
224 && symbol__alloc_hist(bx->to.sym) < 0)
225 goto out;
226
227 err = symbol__inc_addr_samples(bx->to.sym,
228 bx->to.map,
229 evsel->idx,
230 bx->to.al_addr);
231 if (err)
232 goto out;
233 }
234 evsel->hists.stats.total_period += 1;
235 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
236 } else
237 goto out;
238 }
239 err = 0;
240 out:
241 free(bi);
242 return err;
243 }
244
245 static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
246 struct addr_location *al,
247 struct perf_sample *sample,
248 struct machine *machine)
249 {
250 struct symbol *parent = NULL;
251 int err = 0;
252 struct hist_entry *he;
253
254 if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
255 err = machine__resolve_callchain(machine, evsel, al->thread,
256 sample, &parent, al);
257 if (err)
258 return err;
259 }
260
261 he = __hists__add_entry(&evsel->hists, al, parent, sample->period,
262 sample->weight);
263 if (he == NULL)
264 return -ENOMEM;
265
266 if (symbol_conf.use_callchain) {
267 err = callchain_append(he->callchain,
268 &callchain_cursor,
269 sample->period);
270 if (err)
271 return err;
272 }
273 /*
274 * Only in the TUI browser we are doing integrated annotation,
275 * so we don't allocated the extra space needed because the stdio
276 * code will not use it.
277 */
278 if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
279 struct annotation *notes = symbol__annotation(he->ms.sym);
280
281 assert(evsel != NULL);
282
283 err = -ENOMEM;
284 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
285 goto out;
286
287 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
288 }
289
290 evsel->hists.stats.total_period += sample->period;
291 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
292 out:
293 return err;
294 }
295
296
297 static int process_sample_event(struct perf_tool *tool,
298 union perf_event *event,
299 struct perf_sample *sample,
300 struct perf_evsel *evsel,
301 struct machine *machine)
302 {
303 struct perf_report *rep = container_of(tool, struct perf_report, tool);
304 struct addr_location al;
305 int ret;
306
307 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
308 fprintf(stderr, "problem processing %d event, skipping it.\n",
309 event->header.type);
310 return -1;
311 }
312
313 if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
314 return 0;
315
316 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
317 return 0;
318
319 if (sort__mode == SORT_MODE__BRANCH) {
320 ret = perf_report__add_branch_hist_entry(tool, &al, sample,
321 evsel, machine);
322 if (ret < 0)
323 pr_debug("problem adding lbr entry, skipping event\n");
324 } else if (rep->mem_mode == 1) {
325 ret = perf_report__add_mem_hist_entry(tool, &al, sample,
326 evsel, machine, event);
327 if (ret < 0)
328 pr_debug("problem adding mem entry, skipping event\n");
329 } else {
330 if (al.map != NULL)
331 al.map->dso->hit = 1;
332
333 ret = perf_evsel__add_hist_entry(evsel, &al, sample, machine);
334 if (ret < 0)
335 pr_debug("problem incrementing symbol period, skipping event\n");
336 }
337 return ret;
338 }
339
340 static int process_read_event(struct perf_tool *tool,
341 union perf_event *event,
342 struct perf_sample *sample __maybe_unused,
343 struct perf_evsel *evsel,
344 struct machine *machine __maybe_unused)
345 {
346 struct perf_report *rep = container_of(tool, struct perf_report, tool);
347
348 if (rep->show_threads) {
349 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
350 perf_read_values_add_value(&rep->show_threads_values,
351 event->read.pid, event->read.tid,
352 event->read.id,
353 name,
354 event->read.value);
355 }
356
357 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
358 evsel ? perf_evsel__name(evsel) : "FAIL",
359 event->read.value);
360
361 return 0;
362 }
363
364 /* For pipe mode, sample_type is not currently set */
365 static int perf_report__setup_sample_type(struct perf_report *rep)
366 {
367 struct perf_session *self = rep->session;
368 u64 sample_type = perf_evlist__combined_sample_type(self->evlist);
369
370 if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
371 if (sort__has_parent) {
372 ui__error("Selected --sort parent, but no "
373 "callchain data. Did you call "
374 "'perf record' without -g?\n");
375 return -EINVAL;
376 }
377 if (symbol_conf.use_callchain) {
378 ui__error("Selected -g but no callchain data. Did "
379 "you call 'perf record' without -g?\n");
380 return -1;
381 }
382 } else if (!rep->dont_use_callchains &&
383 callchain_param.mode != CHAIN_NONE &&
384 !symbol_conf.use_callchain) {
385 symbol_conf.use_callchain = true;
386 if (callchain_register_param(&callchain_param) < 0) {
387 ui__error("Can't register callchain params.\n");
388 return -EINVAL;
389 }
390 }
391
392 if (sort__mode == SORT_MODE__BRANCH) {
393 if (!self->fd_pipe &&
394 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
395 ui__error("Selected -b but no branch data. "
396 "Did you call perf record without -b?\n");
397 return -1;
398 }
399 }
400
401 return 0;
402 }
403
404 static void sig_handler(int sig __maybe_unused)
405 {
406 session_done = 1;
407 }
408
409 static size_t hists__fprintf_nr_sample_events(struct perf_report *rep,
410 struct hists *self,
411 const char *evname, FILE *fp)
412 {
413 size_t ret;
414 char unit;
415 unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
416 u64 nr_events = self->stats.total_period;
417 struct perf_evsel *evsel = hists_to_evsel(self);
418 char buf[512];
419 size_t size = sizeof(buf);
420
421 if (perf_evsel__is_group_event(evsel)) {
422 struct perf_evsel *pos;
423
424 perf_evsel__group_desc(evsel, buf, size);
425 evname = buf;
426
427 for_each_group_member(pos, evsel) {
428 nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
429 nr_events += pos->hists.stats.total_period;
430 }
431 }
432
433 nr_samples = convert_unit(nr_samples, &unit);
434 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
435 if (evname != NULL)
436 ret += fprintf(fp, " of event '%s'", evname);
437
438 if (rep->mem_mode) {
439 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
440 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
441 } else
442 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
443 return ret + fprintf(fp, "\n#\n");
444 }
445
446 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
447 struct perf_report *rep,
448 const char *help)
449 {
450 struct perf_evsel *pos;
451
452 list_for_each_entry(pos, &evlist->entries, node) {
453 struct hists *hists = &pos->hists;
454 const char *evname = perf_evsel__name(pos);
455
456 if (symbol_conf.event_group &&
457 !perf_evsel__is_group_leader(pos))
458 continue;
459
460 hists__fprintf_nr_sample_events(rep, hists, evname, stdout);
461 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
462 fprintf(stdout, "\n\n");
463 }
464
465 if (sort_order == default_sort_order &&
466 parent_pattern == default_parent_pattern) {
467 fprintf(stdout, "#\n# (%s)\n#\n", help);
468
469 if (rep->show_threads) {
470 bool style = !strcmp(rep->pretty_printing_style, "raw");
471 perf_read_values_display(stdout, &rep->show_threads_values,
472 style);
473 perf_read_values_destroy(&rep->show_threads_values);
474 }
475 }
476
477 return 0;
478 }
479
480 static int __cmd_report(struct perf_report *rep)
481 {
482 int ret = -EINVAL;
483 u64 nr_samples;
484 struct perf_session *session = rep->session;
485 struct perf_evsel *pos;
486 struct map *kernel_map;
487 struct kmap *kernel_kmap;
488 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
489
490 signal(SIGINT, sig_handler);
491
492 if (rep->cpu_list) {
493 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
494 rep->cpu_bitmap);
495 if (ret)
496 return ret;
497 }
498
499 if (use_browser <= 0)
500 perf_session__fprintf_info(session, stdout, rep->show_full_info);
501
502 if (rep->show_threads)
503 perf_read_values_init(&rep->show_threads_values);
504
505 ret = perf_report__setup_sample_type(rep);
506 if (ret)
507 return ret;
508
509 ret = perf_session__process_events(session, &rep->tool);
510 if (ret)
511 return ret;
512
513 kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
514 kernel_kmap = map__kmap(kernel_map);
515 if (kernel_map == NULL ||
516 (kernel_map->dso->hit &&
517 (kernel_kmap->ref_reloc_sym == NULL ||
518 kernel_kmap->ref_reloc_sym->addr == 0))) {
519 const char *desc =
520 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
521 "can't be resolved.";
522
523 if (kernel_map) {
524 const struct dso *kdso = kernel_map->dso;
525 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
526 desc = "If some relocation was applied (e.g. "
527 "kexec) symbols may be misresolved.";
528 }
529 }
530
531 ui__warning(
532 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
533 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
534 "Samples in kernel modules can't be resolved as well.\n\n",
535 desc);
536 }
537
538 if (verbose > 3)
539 perf_session__fprintf(session, stdout);
540
541 if (verbose > 2)
542 perf_session__fprintf_dsos(session, stdout);
543
544 if (dump_trace) {
545 perf_session__fprintf_nr_events(session, stdout);
546 return 0;
547 }
548
549 nr_samples = 0;
550 list_for_each_entry(pos, &session->evlist->entries, node) {
551 struct hists *hists = &pos->hists;
552
553 if (pos->idx == 0)
554 hists->symbol_filter_str = rep->symbol_filter_str;
555
556 hists__collapse_resort(hists);
557 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
558
559 /* Non-group events are considered as leader */
560 if (symbol_conf.event_group &&
561 !perf_evsel__is_group_leader(pos)) {
562 struct hists *leader_hists = &pos->leader->hists;
563
564 hists__match(leader_hists, hists);
565 hists__link(leader_hists, hists);
566 }
567 }
568
569 if (session_done())
570 return 0;
571
572 if (nr_samples == 0) {
573 ui__error("The %s file has no samples!\n", session->filename);
574 return 0;
575 }
576
577 list_for_each_entry(pos, &session->evlist->entries, node)
578 hists__output_resort(&pos->hists);
579
580 if (use_browser > 0) {
581 if (use_browser == 1) {
582 ret = perf_evlist__tui_browse_hists(session->evlist,
583 help, NULL,
584 rep->min_percent,
585 &session->header.env);
586 /*
587 * Usually "ret" is the last pressed key, and we only
588 * care if the key notifies us to switch data file.
589 */
590 if (ret != K_SWITCH_INPUT_DATA)
591 ret = 0;
592
593 } else if (use_browser == 2) {
594 perf_evlist__gtk_browse_hists(session->evlist, help,
595 NULL, rep->min_percent);
596 }
597 } else
598 perf_evlist__tty_browse_hists(session->evlist, rep, help);
599
600 return ret;
601 }
602
603 static int
604 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
605 {
606 struct perf_report *rep = (struct perf_report *)opt->value;
607 char *tok, *tok2;
608 char *endptr;
609
610 /*
611 * --no-call-graph
612 */
613 if (unset) {
614 rep->dont_use_callchains = true;
615 return 0;
616 }
617
618 symbol_conf.use_callchain = true;
619
620 if (!arg)
621 return 0;
622
623 tok = strtok((char *)arg, ",");
624 if (!tok)
625 return -1;
626
627 /* get the output mode */
628 if (!strncmp(tok, "graph", strlen(arg)))
629 callchain_param.mode = CHAIN_GRAPH_ABS;
630
631 else if (!strncmp(tok, "flat", strlen(arg)))
632 callchain_param.mode = CHAIN_FLAT;
633
634 else if (!strncmp(tok, "fractal", strlen(arg)))
635 callchain_param.mode = CHAIN_GRAPH_REL;
636
637 else if (!strncmp(tok, "none", strlen(arg))) {
638 callchain_param.mode = CHAIN_NONE;
639 symbol_conf.use_callchain = false;
640
641 return 0;
642 }
643
644 else
645 return -1;
646
647 /* get the min percentage */
648 tok = strtok(NULL, ",");
649 if (!tok)
650 goto setup;
651
652 callchain_param.min_percent = strtod(tok, &endptr);
653 if (tok == endptr)
654 return -1;
655
656 /* get the print limit */
657 tok2 = strtok(NULL, ",");
658 if (!tok2)
659 goto setup;
660
661 if (tok2[0] != 'c') {
662 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
663 tok2 = strtok(NULL, ",");
664 if (!tok2)
665 goto setup;
666 }
667
668 /* get the call chain order */
669 if (!strncmp(tok2, "caller", strlen("caller")))
670 callchain_param.order = ORDER_CALLER;
671 else if (!strncmp(tok2, "callee", strlen("callee")))
672 callchain_param.order = ORDER_CALLEE;
673 else
674 return -1;
675
676 /* Get the sort key */
677 tok2 = strtok(NULL, ",");
678 if (!tok2)
679 goto setup;
680 if (!strncmp(tok2, "function", strlen("function")))
681 callchain_param.key = CCKEY_FUNCTION;
682 else if (!strncmp(tok2, "address", strlen("address")))
683 callchain_param.key = CCKEY_ADDRESS;
684 else
685 return -1;
686 setup:
687 if (callchain_register_param(&callchain_param) < 0) {
688 fprintf(stderr, "Can't register callchain params\n");
689 return -1;
690 }
691 return 0;
692 }
693
694 int
695 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
696 const char *arg, int unset __maybe_unused)
697 {
698 if (arg) {
699 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
700 if (err) {
701 char buf[BUFSIZ];
702 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
703 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
704 return -1;
705 }
706 have_ignore_callees = 1;
707 }
708
709 return 0;
710 }
711
712 static int
713 parse_branch_mode(const struct option *opt __maybe_unused,
714 const char *str __maybe_unused, int unset)
715 {
716 int *branch_mode = opt->value;
717
718 *branch_mode = !unset;
719 return 0;
720 }
721
722 static int
723 parse_percent_limit(const struct option *opt, const char *str,
724 int unset __maybe_unused)
725 {
726 struct perf_report *rep = opt->value;
727
728 rep->min_percent = strtof(str, NULL);
729 return 0;
730 }
731
732 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
733 {
734 struct perf_session *session;
735 struct stat st;
736 bool has_br_stack = false;
737 int branch_mode = -1;
738 int ret = -1;
739 char callchain_default_opt[] = "fractal,0.5,callee";
740 const char * const report_usage[] = {
741 "perf report [<options>]",
742 NULL
743 };
744 struct perf_report report = {
745 .tool = {
746 .sample = process_sample_event,
747 .mmap = perf_event__process_mmap,
748 .mmap2 = perf_event__process_mmap2,
749 .comm = perf_event__process_comm,
750 .exit = perf_event__process_exit,
751 .fork = perf_event__process_fork,
752 .lost = perf_event__process_lost,
753 .read = process_read_event,
754 .attr = perf_event__process_attr,
755 .tracing_data = perf_event__process_tracing_data,
756 .build_id = perf_event__process_build_id,
757 .ordered_samples = true,
758 .ordering_requires_timestamps = true,
759 },
760 .pretty_printing_style = "normal",
761 };
762 const struct option options[] = {
763 OPT_STRING('i', "input", &input_name, "file",
764 "input file name"),
765 OPT_INCR('v', "verbose", &verbose,
766 "be more verbose (show symbol address, etc)"),
767 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
768 "dump raw trace in ASCII"),
769 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
770 "file", "vmlinux pathname"),
771 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
772 "file", "kallsyms pathname"),
773 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
774 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
775 "load module symbols - WARNING: use only with -k and LIVE kernel"),
776 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
777 "Show a column with the number of samples"),
778 OPT_BOOLEAN('T', "threads", &report.show_threads,
779 "Show per-thread event counters"),
780 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
781 "pretty printing style key: normal raw"),
782 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
783 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
784 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
785 "Use the stdio interface"),
786 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
787 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
788 " dso_to, dso_from, symbol_to, symbol_from, mispredict,"
789 " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, "
790 "snoop, locked"),
791 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
792 "Show sample percentage for different cpu modes"),
793 OPT_STRING('p', "parent", &parent_pattern, "regex",
794 "regex filter to identify parent, see: '--sort parent'"),
795 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
796 "Only display entries with parent-match"),
797 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
798 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). "
799 "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt),
800 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
801 "alias for inverted call graph"),
802 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
803 "ignore callees of these functions in call graphs",
804 report_parse_ignore_callees_opt),
805 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
806 "only consider symbols in these dsos"),
807 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
808 "only consider symbols in these comms"),
809 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
810 "only consider these symbols"),
811 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
812 "only show symbols that (partially) match with this filter"),
813 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
814 "width[,width...]",
815 "don't try to adjust column width, use these fixed values"),
816 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
817 "separator for columns, no spaces will be added between "
818 "columns '.' is reserved."),
819 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
820 "Only display entries resolved to a symbol"),
821 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
822 "Look for files with symbols relative to this directory"),
823 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
824 "list of cpus to profile"),
825 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
826 "Display extended information about perf.data file"),
827 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
828 "Interleave source code with assembly code (default)"),
829 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
830 "Display raw encoding of assembly instructions (default)"),
831 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
832 "Specify disassembler style (e.g. -M intel for intel syntax)"),
833 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
834 "Show a column with the sum of periods"),
835 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
836 "Show event group information together"),
837 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
838 "use branch records for histogram filling", parse_branch_mode),
839 OPT_STRING(0, "objdump", &objdump_path, "path",
840 "objdump binary to use for disassembly and annotations"),
841 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
842 "Disable symbol demangling"),
843 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
844 OPT_CALLBACK(0, "percent-limit", &report, "percent",
845 "Don't show entries under that percent", parse_percent_limit),
846 OPT_END()
847 };
848
849 perf_config(perf_report_config, &report);
850
851 argc = parse_options(argc, argv, options, report_usage, 0);
852
853 if (report.use_stdio)
854 use_browser = 0;
855 else if (report.use_tui)
856 use_browser = 1;
857 else if (report.use_gtk)
858 use_browser = 2;
859
860 if (report.inverted_callchain)
861 callchain_param.order = ORDER_CALLER;
862
863 if (!input_name || !strlen(input_name)) {
864 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
865 input_name = "-";
866 else
867 input_name = "perf.data";
868 }
869
870 if (strcmp(input_name, "-") != 0)
871 setup_browser(true);
872 else {
873 use_browser = 0;
874 perf_hpp__init();
875 }
876
877 repeat:
878 session = perf_session__new(input_name, O_RDONLY,
879 report.force, false, &report.tool);
880 if (session == NULL)
881 return -ENOMEM;
882
883 report.session = session;
884
885 has_br_stack = perf_header__has_feat(&session->header,
886 HEADER_BRANCH_STACK);
887
888 if (branch_mode == -1 && has_br_stack)
889 sort__mode = SORT_MODE__BRANCH;
890
891 /* sort__mode could be NORMAL if --no-branch-stack */
892 if (sort__mode == SORT_MODE__BRANCH) {
893 /*
894 * if no sort_order is provided, then specify
895 * branch-mode specific order
896 */
897 if (sort_order == default_sort_order)
898 sort_order = "comm,dso_from,symbol_from,"
899 "dso_to,symbol_to";
900
901 }
902 if (report.mem_mode) {
903 if (sort__mode == SORT_MODE__BRANCH) {
904 fprintf(stderr, "branch and mem mode incompatible\n");
905 goto error;
906 }
907 sort__mode = SORT_MODE__MEMORY;
908
909 /*
910 * if no sort_order is provided, then specify
911 * branch-mode specific order
912 */
913 if (sort_order == default_sort_order)
914 sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
915 }
916
917 if (setup_sorting() < 0)
918 usage_with_options(report_usage, options);
919
920 /*
921 * Only in the TUI browser we are doing integrated annotation,
922 * so don't allocate extra space that won't be used in the stdio
923 * implementation.
924 */
925 if (use_browser == 1 && sort__has_sym) {
926 symbol_conf.priv_size = sizeof(struct annotation);
927 machines__set_symbol_filter(&session->machines,
928 symbol__annotate_init);
929 /*
930 * For searching by name on the "Browse map details".
931 * providing it only in verbose mode not to bloat too
932 * much struct symbol.
933 */
934 if (verbose) {
935 /*
936 * XXX: Need to provide a less kludgy way to ask for
937 * more space per symbol, the u32 is for the index on
938 * the ui browser.
939 * See symbol__browser_index.
940 */
941 symbol_conf.priv_size += sizeof(u32);
942 symbol_conf.sort_by_name = true;
943 }
944 }
945
946 if (symbol__init() < 0)
947 goto error;
948
949 if (parent_pattern != default_parent_pattern) {
950 if (sort_dimension__add("parent") < 0)
951 goto error;
952 }
953
954 if (argc) {
955 /*
956 * Special case: if there's an argument left then assume that
957 * it's a symbol filter:
958 */
959 if (argc > 1)
960 usage_with_options(report_usage, options);
961
962 report.symbol_filter_str = argv[0];
963 }
964
965 sort__setup_elide(stdout);
966
967 ret = __cmd_report(&report);
968 if (ret == K_SWITCH_INPUT_DATA) {
969 perf_session__delete(session);
970 goto repeat;
971 } else
972 ret = 0;
973
974 error:
975 perf_session__delete(session);
976 return ret;
977 }
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