perf report: Add --group option
[linux-3.10.git] / tools / perf / builtin-report.c
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
12 #include "util/annotate.h"
13 #include "util/color.h"
14 #include <linux/list.h>
15 #include "util/cache.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         struct perf_read_values show_threads_values;
50         const char              *pretty_printing_style;
51         symbol_filter_t         annotate_init;
52         const char              *cpu_list;
53         const char              *symbol_filter_str;
54         DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
55 };
56
57 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
58                                         struct addr_location *al,
59                                         struct perf_sample *sample,
60                                         struct perf_evsel *evsel,
61                                       struct machine *machine)
62 {
63         struct perf_report *rep = container_of(tool, struct perf_report, tool);
64         struct symbol *parent = NULL;
65         int err = 0;
66         unsigned i;
67         struct hist_entry *he;
68         struct branch_info *bi, *bx;
69
70         if ((sort__has_parent || symbol_conf.use_callchain)
71             && sample->callchain) {
72                 err = machine__resolve_callchain(machine, evsel, al->thread,
73                                                  sample, &parent);
74                 if (err)
75                         return err;
76         }
77
78         bi = machine__resolve_bstack(machine, al->thread,
79                                      sample->branch_stack);
80         if (!bi)
81                 return -ENOMEM;
82
83         for (i = 0; i < sample->branch_stack->nr; i++) {
84                 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
85                         continue;
86                 /*
87                  * The report shows the percentage of total branches captured
88                  * and not events sampled. Thus we use a pseudo period of 1.
89                  */
90                 he = __hists__add_branch_entry(&evsel->hists, al, parent,
91                                 &bi[i], 1);
92                 if (he) {
93                         struct annotation *notes;
94                         err = -ENOMEM;
95                         bx = he->branch_info;
96                         if (bx->from.sym && use_browser == 1 && sort__has_sym) {
97                                 notes = symbol__annotation(bx->from.sym);
98                                 if (!notes->src
99                                     && symbol__alloc_hist(bx->from.sym) < 0)
100                                         goto out;
101
102                                 err = symbol__inc_addr_samples(bx->from.sym,
103                                                                bx->from.map,
104                                                                evsel->idx,
105                                                                bx->from.al_addr);
106                                 if (err)
107                                         goto out;
108                         }
109
110                         if (bx->to.sym && use_browser == 1 && sort__has_sym) {
111                                 notes = symbol__annotation(bx->to.sym);
112                                 if (!notes->src
113                                     && symbol__alloc_hist(bx->to.sym) < 0)
114                                         goto out;
115
116                                 err = symbol__inc_addr_samples(bx->to.sym,
117                                                                bx->to.map,
118                                                                evsel->idx,
119                                                                bx->to.al_addr);
120                                 if (err)
121                                         goto out;
122                         }
123                         evsel->hists.stats.total_period += 1;
124                         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
125                         err = 0;
126                 } else
127                         return -ENOMEM;
128         }
129 out:
130         return err;
131 }
132
133 static int perf_evsel__add_hist_entry(struct perf_evsel *evsel,
134                                       struct addr_location *al,
135                                       struct perf_sample *sample,
136                                       struct machine *machine)
137 {
138         struct symbol *parent = NULL;
139         int err = 0;
140         struct hist_entry *he;
141
142         if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
143                 err = machine__resolve_callchain(machine, evsel, al->thread,
144                                                  sample, &parent);
145                 if (err)
146                         return err;
147         }
148
149         he = __hists__add_entry(&evsel->hists, al, parent, sample->period);
150         if (he == NULL)
151                 return -ENOMEM;
152
153         if (symbol_conf.use_callchain) {
154                 err = callchain_append(he->callchain,
155                                        &callchain_cursor,
156                                        sample->period);
157                 if (err)
158                         return err;
159         }
160         /*
161          * Only in the newt browser we are doing integrated annotation,
162          * so we don't allocated the extra space needed because the stdio
163          * code will not use it.
164          */
165         if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
166                 struct annotation *notes = symbol__annotation(he->ms.sym);
167
168                 assert(evsel != NULL);
169
170                 err = -ENOMEM;
171                 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
172                         goto out;
173
174                 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
175         }
176
177         evsel->hists.stats.total_period += sample->period;
178         hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
179 out:
180         return err;
181 }
182
183
184 static int process_sample_event(struct perf_tool *tool,
185                                 union perf_event *event,
186                                 struct perf_sample *sample,
187                                 struct perf_evsel *evsel,
188                                 struct machine *machine)
189 {
190         struct perf_report *rep = container_of(tool, struct perf_report, tool);
191         struct addr_location al;
192
193         if (perf_event__preprocess_sample(event, machine, &al, sample,
194                                           rep->annotate_init) < 0) {
195                 fprintf(stderr, "problem processing %d event, skipping it.\n",
196                         event->header.type);
197                 return -1;
198         }
199
200         if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
201                 return 0;
202
203         if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
204                 return 0;
205
206         if (sort__branch_mode == 1) {
207                 if (perf_report__add_branch_hist_entry(tool, &al, sample,
208                                                        evsel, machine)) {
209                         pr_debug("problem adding lbr entry, skipping event\n");
210                         return -1;
211                 }
212         } else {
213                 if (al.map != NULL)
214                         al.map->dso->hit = 1;
215
216                 if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) {
217                         pr_debug("problem incrementing symbol period, skipping event\n");
218                         return -1;
219                 }
220         }
221         return 0;
222 }
223
224 static int process_read_event(struct perf_tool *tool,
225                               union perf_event *event,
226                               struct perf_sample *sample __maybe_unused,
227                               struct perf_evsel *evsel,
228                               struct machine *machine __maybe_unused)
229 {
230         struct perf_report *rep = container_of(tool, struct perf_report, tool);
231
232         if (rep->show_threads) {
233                 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
234                 perf_read_values_add_value(&rep->show_threads_values,
235                                            event->read.pid, event->read.tid,
236                                            event->read.id,
237                                            name,
238                                            event->read.value);
239         }
240
241         dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
242                     evsel ? perf_evsel__name(evsel) : "FAIL",
243                     event->read.value);
244
245         return 0;
246 }
247
248 /* For pipe mode, sample_type is not currently set */
249 static int perf_report__setup_sample_type(struct perf_report *rep)
250 {
251         struct perf_session *self = rep->session;
252         u64 sample_type = perf_evlist__sample_type(self->evlist);
253
254         if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
255                 if (sort__has_parent) {
256                         ui__error("Selected --sort parent, but no "
257                                     "callchain data. Did you call "
258                                     "'perf record' without -g?\n");
259                         return -EINVAL;
260                 }
261                 if (symbol_conf.use_callchain) {
262                         ui__error("Selected -g but no callchain data. Did "
263                                     "you call 'perf record' without -g?\n");
264                         return -1;
265                 }
266         } else if (!rep->dont_use_callchains &&
267                    callchain_param.mode != CHAIN_NONE &&
268                    !symbol_conf.use_callchain) {
269                         symbol_conf.use_callchain = true;
270                         if (callchain_register_param(&callchain_param) < 0) {
271                                 ui__error("Can't register callchain params.\n");
272                                 return -EINVAL;
273                         }
274         }
275
276         if (sort__branch_mode == 1) {
277                 if (!self->fd_pipe &&
278                     !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
279                         ui__error("Selected -b but no branch data. "
280                                   "Did you call perf record without -b?\n");
281                         return -1;
282                 }
283         }
284
285         return 0;
286 }
287
288 extern volatile int session_done;
289
290 static void sig_handler(int sig __maybe_unused)
291 {
292         session_done = 1;
293 }
294
295 static size_t hists__fprintf_nr_sample_events(struct hists *self,
296                                               const char *evname, FILE *fp)
297 {
298         size_t ret;
299         char unit;
300         unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
301         u64 nr_events = self->stats.total_period;
302         struct perf_evsel *evsel = hists_to_evsel(self);
303         char buf[512];
304         size_t size = sizeof(buf);
305
306         if (symbol_conf.event_group && evsel->nr_members > 1) {
307                 struct perf_evsel *pos;
308
309                 perf_evsel__group_desc(evsel, buf, size);
310                 evname = buf;
311
312                 for_each_group_member(pos, evsel) {
313                         nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
314                         nr_events += pos->hists.stats.total_period;
315                 }
316         }
317
318         nr_samples = convert_unit(nr_samples, &unit);
319         ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
320         if (evname != NULL)
321                 ret += fprintf(fp, " of event '%s'", evname);
322
323         ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
324         return ret + fprintf(fp, "\n#\n");
325 }
326
327 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
328                                          struct perf_report *rep,
329                                          const char *help)
330 {
331         struct perf_evsel *pos;
332
333         list_for_each_entry(pos, &evlist->entries, node) {
334                 struct hists *hists = &pos->hists;
335                 const char *evname = perf_evsel__name(pos);
336
337                 if (symbol_conf.event_group &&
338                     !perf_evsel__is_group_leader(pos))
339                         continue;
340
341                 hists__fprintf_nr_sample_events(hists, evname, stdout);
342                 hists__fprintf(hists, true, 0, 0, stdout);
343                 fprintf(stdout, "\n\n");
344         }
345
346         if (sort_order == default_sort_order &&
347             parent_pattern == default_parent_pattern) {
348                 fprintf(stdout, "#\n# (%s)\n#\n", help);
349
350                 if (rep->show_threads) {
351                         bool style = !strcmp(rep->pretty_printing_style, "raw");
352                         perf_read_values_display(stdout, &rep->show_threads_values,
353                                                  style);
354                         perf_read_values_destroy(&rep->show_threads_values);
355                 }
356         }
357
358         return 0;
359 }
360
361 static int __cmd_report(struct perf_report *rep)
362 {
363         int ret = -EINVAL;
364         u64 nr_samples;
365         struct perf_session *session = rep->session;
366         struct perf_evsel *pos;
367         struct map *kernel_map;
368         struct kmap *kernel_kmap;
369         const char *help = "For a higher level overview, try: perf report --sort comm,dso";
370
371         signal(SIGINT, sig_handler);
372
373         if (rep->cpu_list) {
374                 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
375                                                rep->cpu_bitmap);
376                 if (ret)
377                         goto out_delete;
378         }
379
380         if (use_browser <= 0)
381                 perf_session__fprintf_info(session, stdout, rep->show_full_info);
382
383         if (rep->show_threads)
384                 perf_read_values_init(&rep->show_threads_values);
385
386         ret = perf_report__setup_sample_type(rep);
387         if (ret)
388                 goto out_delete;
389
390         ret = perf_session__process_events(session, &rep->tool);
391         if (ret)
392                 goto out_delete;
393
394         kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
395         kernel_kmap = map__kmap(kernel_map);
396         if (kernel_map == NULL ||
397             (kernel_map->dso->hit &&
398              (kernel_kmap->ref_reloc_sym == NULL ||
399               kernel_kmap->ref_reloc_sym->addr == 0))) {
400                 const char *desc =
401                     "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
402                     "can't be resolved.";
403
404                 if (kernel_map) {
405                         const struct dso *kdso = kernel_map->dso;
406                         if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
407                                 desc = "If some relocation was applied (e.g. "
408                                        "kexec) symbols may be misresolved.";
409                         }
410                 }
411
412                 ui__warning(
413 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
414 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
415 "Samples in kernel modules can't be resolved as well.\n\n",
416                 desc);
417         }
418
419         if (verbose > 3)
420                 perf_session__fprintf(session, stdout);
421
422         if (verbose > 2)
423                 perf_session__fprintf_dsos(session, stdout);
424
425         if (dump_trace) {
426                 perf_session__fprintf_nr_events(session, stdout);
427                 goto out_delete;
428         }
429
430         nr_samples = 0;
431         list_for_each_entry(pos, &session->evlist->entries, node) {
432                 struct hists *hists = &pos->hists;
433
434                 if (pos->idx == 0)
435                         hists->symbol_filter_str = rep->symbol_filter_str;
436
437                 hists__collapse_resort(hists);
438                 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
439
440                 /* Non-group events are considered as leader */
441                 if (symbol_conf.event_group &&
442                     !perf_evsel__is_group_leader(pos)) {
443                         struct hists *leader_hists = &pos->leader->hists;
444
445                         hists__match(leader_hists, hists);
446                         hists__link(leader_hists, hists);
447                 }
448         }
449
450         if (nr_samples == 0) {
451                 ui__error("The %s file has no samples!\n", session->filename);
452                 goto out_delete;
453         }
454
455         list_for_each_entry(pos, &session->evlist->entries, node)
456                 hists__output_resort(&pos->hists);
457
458         if (use_browser > 0) {
459                 if (use_browser == 1) {
460                         perf_evlist__tui_browse_hists(session->evlist, help,
461                                                       NULL,
462                                                       &session->header.env);
463                 } else if (use_browser == 2) {
464                         perf_evlist__gtk_browse_hists(session->evlist, help,
465                                                       NULL);
466                 }
467         } else
468                 perf_evlist__tty_browse_hists(session->evlist, rep, help);
469
470 out_delete:
471         /*
472          * Speed up the exit process, for large files this can
473          * take quite a while.
474          *
475          * XXX Enable this when using valgrind or if we ever
476          * librarize this command.
477          *
478          * Also experiment with obstacks to see how much speed
479          * up we'll get here.
480          *
481          * perf_session__delete(session);
482          */
483         return ret;
484 }
485
486 static int
487 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
488 {
489         struct perf_report *rep = (struct perf_report *)opt->value;
490         char *tok, *tok2;
491         char *endptr;
492
493         /*
494          * --no-call-graph
495          */
496         if (unset) {
497                 rep->dont_use_callchains = true;
498                 return 0;
499         }
500
501         symbol_conf.use_callchain = true;
502
503         if (!arg)
504                 return 0;
505
506         tok = strtok((char *)arg, ",");
507         if (!tok)
508                 return -1;
509
510         /* get the output mode */
511         if (!strncmp(tok, "graph", strlen(arg)))
512                 callchain_param.mode = CHAIN_GRAPH_ABS;
513
514         else if (!strncmp(tok, "flat", strlen(arg)))
515                 callchain_param.mode = CHAIN_FLAT;
516
517         else if (!strncmp(tok, "fractal", strlen(arg)))
518                 callchain_param.mode = CHAIN_GRAPH_REL;
519
520         else if (!strncmp(tok, "none", strlen(arg))) {
521                 callchain_param.mode = CHAIN_NONE;
522                 symbol_conf.use_callchain = false;
523
524                 return 0;
525         }
526
527         else
528                 return -1;
529
530         /* get the min percentage */
531         tok = strtok(NULL, ",");
532         if (!tok)
533                 goto setup;
534
535         callchain_param.min_percent = strtod(tok, &endptr);
536         if (tok == endptr)
537                 return -1;
538
539         /* get the print limit */
540         tok2 = strtok(NULL, ",");
541         if (!tok2)
542                 goto setup;
543
544         if (tok2[0] != 'c') {
545                 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
546                 tok2 = strtok(NULL, ",");
547                 if (!tok2)
548                         goto setup;
549         }
550
551         /* get the call chain order */
552         if (!strcmp(tok2, "caller"))
553                 callchain_param.order = ORDER_CALLER;
554         else if (!strcmp(tok2, "callee"))
555                 callchain_param.order = ORDER_CALLEE;
556         else
557                 return -1;
558 setup:
559         if (callchain_register_param(&callchain_param) < 0) {
560                 fprintf(stderr, "Can't register callchain params\n");
561                 return -1;
562         }
563         return 0;
564 }
565
566 static int
567 parse_branch_mode(const struct option *opt __maybe_unused,
568                   const char *str __maybe_unused, int unset)
569 {
570         sort__branch_mode = !unset;
571         return 0;
572 }
573
574 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
575 {
576         struct perf_session *session;
577         struct stat st;
578         bool has_br_stack = false;
579         int ret = -1;
580         char callchain_default_opt[] = "fractal,0.5,callee";
581         const char * const report_usage[] = {
582                 "perf report [<options>]",
583                 NULL
584         };
585         struct perf_report report = {
586                 .tool = {
587                         .sample          = process_sample_event,
588                         .mmap            = perf_event__process_mmap,
589                         .comm            = perf_event__process_comm,
590                         .exit            = perf_event__process_exit,
591                         .fork            = perf_event__process_fork,
592                         .lost            = perf_event__process_lost,
593                         .read            = process_read_event,
594                         .attr            = perf_event__process_attr,
595                         .event_type      = perf_event__process_event_type,
596                         .tracing_data    = perf_event__process_tracing_data,
597                         .build_id        = perf_event__process_build_id,
598                         .ordered_samples = true,
599                         .ordering_requires_timestamps = true,
600                 },
601                 .pretty_printing_style   = "normal",
602         };
603         const struct option options[] = {
604         OPT_STRING('i', "input", &input_name, "file",
605                     "input file name"),
606         OPT_INCR('v', "verbose", &verbose,
607                     "be more verbose (show symbol address, etc)"),
608         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
609                     "dump raw trace in ASCII"),
610         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
611                    "file", "vmlinux pathname"),
612         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
613                    "file", "kallsyms pathname"),
614         OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
615         OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
616                     "load module symbols - WARNING: use only with -k and LIVE kernel"),
617         OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
618                     "Show a column with the number of samples"),
619         OPT_BOOLEAN('T', "threads", &report.show_threads,
620                     "Show per-thread event counters"),
621         OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
622                    "pretty printing style key: normal raw"),
623         OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
624         OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
625         OPT_BOOLEAN(0, "stdio", &report.use_stdio,
626                     "Use the stdio interface"),
627         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
628                    "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
629                    " dso_to, dso_from, symbol_to, symbol_from, mispredict"),
630         OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
631                     "Show sample percentage for different cpu modes"),
632         OPT_STRING('p', "parent", &parent_pattern, "regex",
633                    "regex filter to identify parent, see: '--sort parent'"),
634         OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
635                     "Only display entries with parent-match"),
636         OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
637                      "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
638                      "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
639         OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
640                     "alias for inverted call graph"),
641         OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
642                    "only consider symbols in these dsos"),
643         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
644                    "only consider symbols in these comms"),
645         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
646                    "only consider these symbols"),
647         OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
648                    "only show symbols that (partially) match with this filter"),
649         OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
650                    "width[,width...]",
651                    "don't try to adjust column width, use these fixed values"),
652         OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
653                    "separator for columns, no spaces will be added between "
654                    "columns '.' is reserved."),
655         OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
656                     "Only display entries resolved to a symbol"),
657         OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
658                     "Look for files with symbols relative to this directory"),
659         OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
660                    "list of cpus to profile"),
661         OPT_BOOLEAN('I', "show-info", &report.show_full_info,
662                     "Display extended information about perf.data file"),
663         OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
664                     "Interleave source code with assembly code (default)"),
665         OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
666                     "Display raw encoding of assembly instructions (default)"),
667         OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
668                    "Specify disassembler style (e.g. -M intel for intel syntax)"),
669         OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
670                     "Show a column with the sum of periods"),
671         OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
672                     "Show event group information together"),
673         OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
674                     "use branch records for histogram filling", parse_branch_mode),
675         OPT_STRING(0, "objdump", &objdump_path, "path",
676                    "objdump binary to use for disassembly and annotations"),
677         OPT_END()
678         };
679
680         argc = parse_options(argc, argv, options, report_usage, 0);
681
682         if (report.use_stdio)
683                 use_browser = 0;
684         else if (report.use_tui)
685                 use_browser = 1;
686         else if (report.use_gtk)
687                 use_browser = 2;
688
689         if (report.inverted_callchain)
690                 callchain_param.order = ORDER_CALLER;
691
692         if (!input_name || !strlen(input_name)) {
693                 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
694                         input_name = "-";
695                 else
696                         input_name = "perf.data";
697         }
698         session = perf_session__new(input_name, O_RDONLY,
699                                     report.force, false, &report.tool);
700         if (session == NULL)
701                 return -ENOMEM;
702
703         report.session = session;
704
705         has_br_stack = perf_header__has_feat(&session->header,
706                                              HEADER_BRANCH_STACK);
707
708         if (sort__branch_mode == -1 && has_br_stack)
709                 sort__branch_mode = 1;
710
711         /* sort__branch_mode could be 0 if --no-branch-stack */
712         if (sort__branch_mode == 1) {
713                 /*
714                  * if no sort_order is provided, then specify
715                  * branch-mode specific order
716                  */
717                 if (sort_order == default_sort_order)
718                         sort_order = "comm,dso_from,symbol_from,"
719                                      "dso_to,symbol_to";
720
721         }
722
723         if (strcmp(input_name, "-") != 0)
724                 setup_browser(true);
725         else {
726                 use_browser = 0;
727                 perf_hpp__column_enable(PERF_HPP__OVERHEAD);
728                 perf_hpp__init();
729         }
730
731         setup_sorting(report_usage, options);
732
733         /*
734          * Only in the newt browser we are doing integrated annotation,
735          * so don't allocate extra space that won't be used in the stdio
736          * implementation.
737          */
738         if (use_browser == 1 && sort__has_sym) {
739                 symbol_conf.priv_size = sizeof(struct annotation);
740                 report.annotate_init  = symbol__annotate_init;
741                 /*
742                  * For searching by name on the "Browse map details".
743                  * providing it only in verbose mode not to bloat too
744                  * much struct symbol.
745                  */
746                 if (verbose) {
747                         /*
748                          * XXX: Need to provide a less kludgy way to ask for
749                          * more space per symbol, the u32 is for the index on
750                          * the ui browser.
751                          * See symbol__browser_index.
752                          */
753                         symbol_conf.priv_size += sizeof(u32);
754                         symbol_conf.sort_by_name = true;
755                 }
756         }
757
758         if (symbol__init() < 0)
759                 goto error;
760
761         if (parent_pattern != default_parent_pattern) {
762                 if (sort_dimension__add("parent") < 0)
763                         goto error;
764
765                 /*
766                  * Only show the parent fields if we explicitly
767                  * sort that way. If we only use parent machinery
768                  * for filtering, we don't want it.
769                  */
770                 if (!strstr(sort_order, "parent"))
771                         sort_parent.elide = 1;
772         } else
773                 symbol_conf.exclude_other = false;
774
775         if (argc) {
776                 /*
777                  * Special case: if there's an argument left then assume that
778                  * it's a symbol filter:
779                  */
780                 if (argc > 1)
781                         usage_with_options(report_usage, options);
782
783                 report.symbol_filter_str = argv[0];
784         }
785
786         sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
787
788         if (sort__branch_mode == 1) {
789                 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
790                 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
791                 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
792                 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
793         } else {
794                 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
795                 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
796         }
797
798         ret = __cmd_report(&report);
799 error:
800         perf_session__delete(session);
801         return ret;
802 }