perf report: Fix crash showing warning related to kernel maps
[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
37 #include <linux/bitmap.h>
38
39 struct perf_report {
40         struct perf_tool        tool;
41         struct perf_session     *session;
42         char const              *input_name;
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->callchain, &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 > 0) {
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 > 0) {
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->callchain, &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                                        &evsel->hists.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 (al->sym != NULL && use_browser > 0) {
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 __used,
227                               struct perf_evsel *evsel,
228                               struct machine *machine __used)
229 {
230         struct perf_report *rep = container_of(tool, struct perf_report, tool);
231
232         if (rep->show_threads) {
233                 const char *name = evsel ? event_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 ? event_name(evsel) : "FAIL",
243                     event->read.value);
244
245         return 0;
246 }
247
248 static int perf_report__setup_sample_type(struct perf_report *rep)
249 {
250         struct perf_session *self = rep->session;
251
252         if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
253                 if (sort__has_parent) {
254                         ui__warning("Selected --sort parent, but no "
255                                     "callchain data. Did you call "
256                                     "'perf record' without -g?\n");
257                         return -EINVAL;
258                 }
259                 if (symbol_conf.use_callchain) {
260                         ui__warning("Selected -g but no callchain data. Did "
261                                     "you call 'perf record' without -g?\n");
262                         return -1;
263                 }
264         } else if (!rep->dont_use_callchains &&
265                    callchain_param.mode != CHAIN_NONE &&
266                    !symbol_conf.use_callchain) {
267                         symbol_conf.use_callchain = true;
268                         if (callchain_register_param(&callchain_param) < 0) {
269                                 ui__warning("Can't register callchain "
270                                             "params.\n");
271                                 return -EINVAL;
272                         }
273         }
274
275         if (sort__branch_mode == 1) {
276                 if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) {
277                         fprintf(stderr, "selected -b but no branch data."
278                                         " Did you call perf record without"
279                                         " -b?\n");
280                         return -1;
281                 }
282         }
283
284         return 0;
285 }
286
287 extern volatile int session_done;
288
289 static void sig_handler(int sig __used)
290 {
291         session_done = 1;
292 }
293
294 static size_t hists__fprintf_nr_sample_events(struct hists *self,
295                                               const char *evname, FILE *fp)
296 {
297         size_t ret;
298         char unit;
299         unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
300
301         nr_events = convert_unit(nr_events, &unit);
302         ret = fprintf(fp, "# Events: %lu%c", nr_events, unit);
303         if (evname != NULL)
304                 ret += fprintf(fp, " %s", evname);
305         return ret + fprintf(fp, "\n#\n");
306 }
307
308 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
309                                          struct perf_report *rep,
310                                          const char *help)
311 {
312         struct perf_evsel *pos;
313
314         list_for_each_entry(pos, &evlist->entries, node) {
315                 struct hists *hists = &pos->hists;
316                 const char *evname = event_name(pos);
317
318                 hists__fprintf_nr_sample_events(hists, evname, stdout);
319                 hists__fprintf(hists, NULL, false, true, 0, 0, stdout);
320                 fprintf(stdout, "\n\n");
321         }
322
323         if (sort_order == default_sort_order &&
324             parent_pattern == default_parent_pattern) {
325                 fprintf(stdout, "#\n# (%s)\n#\n", help);
326
327                 if (rep->show_threads) {
328                         bool style = !strcmp(rep->pretty_printing_style, "raw");
329                         perf_read_values_display(stdout, &rep->show_threads_values,
330                                                  style);
331                         perf_read_values_destroy(&rep->show_threads_values);
332                 }
333         }
334
335         return 0;
336 }
337
338 static int __cmd_report(struct perf_report *rep)
339 {
340         int ret = -EINVAL;
341         u64 nr_samples;
342         struct perf_session *session = rep->session;
343         struct perf_evsel *pos;
344         struct map *kernel_map;
345         struct kmap *kernel_kmap;
346         const char *help = "For a higher level overview, try: perf report --sort comm,dso";
347
348         signal(SIGINT, sig_handler);
349
350         if (rep->cpu_list) {
351                 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
352                                                rep->cpu_bitmap);
353                 if (ret)
354                         goto out_delete;
355         }
356
357         if (use_browser <= 0)
358                 perf_session__fprintf_info(session, stdout, rep->show_full_info);
359
360         if (rep->show_threads)
361                 perf_read_values_init(&rep->show_threads_values);
362
363         ret = perf_report__setup_sample_type(rep);
364         if (ret)
365                 goto out_delete;
366
367         ret = perf_session__process_events(session, &rep->tool);
368         if (ret)
369                 goto out_delete;
370
371         kernel_map = session->host_machine.vmlinux_maps[MAP__FUNCTION];
372         kernel_kmap = map__kmap(kernel_map);
373         if (kernel_map == NULL ||
374             (kernel_map->dso->hit &&
375              (kernel_kmap->ref_reloc_sym == NULL ||
376               kernel_kmap->ref_reloc_sym->addr == 0))) {
377                 const char *desc =
378                     "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
379                     "can't be resolved.";
380
381                 if (kernel_map) {
382                         const struct dso *kdso = kernel_map->dso;
383                         if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
384                                 desc = "If some relocation was applied (e.g. "
385                                        "kexec) symbols may be misresolved.";
386                         }
387                 }
388
389                 ui__warning(
390 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
391 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
392 "Samples in kernel modules can't be resolved as well.\n\n",
393                 desc);
394         }
395
396         if (dump_trace) {
397                 perf_session__fprintf_nr_events(session, stdout);
398                 goto out_delete;
399         }
400
401         if (verbose > 3)
402                 perf_session__fprintf(session, stdout);
403
404         if (verbose > 2)
405                 perf_session__fprintf_dsos(session, stdout);
406
407         nr_samples = 0;
408         list_for_each_entry(pos, &session->evlist->entries, node) {
409                 struct hists *hists = &pos->hists;
410
411                 if (pos->idx == 0)
412                         hists->symbol_filter_str = rep->symbol_filter_str;
413
414                 hists__collapse_resort(hists);
415                 hists__output_resort(hists);
416                 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
417         }
418
419         if (nr_samples == 0) {
420                 ui__warning("The %s file has no samples!\n", session->filename);
421                 goto out_delete;
422         }
423
424         if (use_browser > 0) {
425                 if (use_browser == 1) {
426                         perf_evlist__tui_browse_hists(session->evlist, help,
427                                                       NULL, NULL, 0);
428                 } else if (use_browser == 2) {
429                         perf_evlist__gtk_browse_hists(session->evlist, help,
430                                                       NULL, NULL, 0);
431                 }
432         } else
433                 perf_evlist__tty_browse_hists(session->evlist, rep, help);
434
435 out_delete:
436         /*
437          * Speed up the exit process, for large files this can
438          * take quite a while.
439          *
440          * XXX Enable this when using valgrind or if we ever
441          * librarize this command.
442          *
443          * Also experiment with obstacks to see how much speed
444          * up we'll get here.
445          *
446          * perf_session__delete(session);
447          */
448         return ret;
449 }
450
451 static int
452 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
453 {
454         struct perf_report *rep = (struct perf_report *)opt->value;
455         char *tok, *tok2;
456         char *endptr;
457
458         /*
459          * --no-call-graph
460          */
461         if (unset) {
462                 rep->dont_use_callchains = true;
463                 return 0;
464         }
465
466         symbol_conf.use_callchain = true;
467
468         if (!arg)
469                 return 0;
470
471         tok = strtok((char *)arg, ",");
472         if (!tok)
473                 return -1;
474
475         /* get the output mode */
476         if (!strncmp(tok, "graph", strlen(arg)))
477                 callchain_param.mode = CHAIN_GRAPH_ABS;
478
479         else if (!strncmp(tok, "flat", strlen(arg)))
480                 callchain_param.mode = CHAIN_FLAT;
481
482         else if (!strncmp(tok, "fractal", strlen(arg)))
483                 callchain_param.mode = CHAIN_GRAPH_REL;
484
485         else if (!strncmp(tok, "none", strlen(arg))) {
486                 callchain_param.mode = CHAIN_NONE;
487                 symbol_conf.use_callchain = false;
488
489                 return 0;
490         }
491
492         else
493                 return -1;
494
495         /* get the min percentage */
496         tok = strtok(NULL, ",");
497         if (!tok)
498                 goto setup;
499
500         callchain_param.min_percent = strtod(tok, &endptr);
501         if (tok == endptr)
502                 return -1;
503
504         /* get the print limit */
505         tok2 = strtok(NULL, ",");
506         if (!tok2)
507                 goto setup;
508
509         if (tok2[0] != 'c') {
510                 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
511                 tok2 = strtok(NULL, ",");
512                 if (!tok2)
513                         goto setup;
514         }
515
516         /* get the call chain order */
517         if (!strcmp(tok2, "caller"))
518                 callchain_param.order = ORDER_CALLER;
519         else if (!strcmp(tok2, "callee"))
520                 callchain_param.order = ORDER_CALLEE;
521         else
522                 return -1;
523 setup:
524         if (callchain_register_param(&callchain_param) < 0) {
525                 fprintf(stderr, "Can't register callchain params\n");
526                 return -1;
527         }
528         return 0;
529 }
530
531 static int
532 parse_branch_mode(const struct option *opt __used, const char *str __used, int unset)
533 {
534         sort__branch_mode = !unset;
535         return 0;
536 }
537
538 int cmd_report(int argc, const char **argv, const char *prefix __used)
539 {
540         struct perf_session *session;
541         struct stat st;
542         bool has_br_stack = false;
543         int ret = -1;
544         char callchain_default_opt[] = "fractal,0.5,callee";
545         const char * const report_usage[] = {
546                 "perf report [<options>]",
547                 NULL
548         };
549         struct perf_report report = {
550                 .tool = {
551                         .sample          = process_sample_event,
552                         .mmap            = perf_event__process_mmap,
553                         .comm            = perf_event__process_comm,
554                         .exit            = perf_event__process_task,
555                         .fork            = perf_event__process_task,
556                         .lost            = perf_event__process_lost,
557                         .read            = process_read_event,
558                         .attr            = perf_event__process_attr,
559                         .event_type      = perf_event__process_event_type,
560                         .tracing_data    = perf_event__process_tracing_data,
561                         .build_id        = perf_event__process_build_id,
562                         .ordered_samples = true,
563                         .ordering_requires_timestamps = true,
564                 },
565                 .pretty_printing_style   = "normal",
566         };
567         const struct option options[] = {
568         OPT_STRING('i', "input", &report.input_name, "file",
569                     "input file name"),
570         OPT_INCR('v', "verbose", &verbose,
571                     "be more verbose (show symbol address, etc)"),
572         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
573                     "dump raw trace in ASCII"),
574         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
575                    "file", "vmlinux pathname"),
576         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
577                    "file", "kallsyms pathname"),
578         OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
579         OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
580                     "load module symbols - WARNING: use only with -k and LIVE kernel"),
581         OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
582                     "Show a column with the number of samples"),
583         OPT_BOOLEAN('T', "threads", &report.show_threads,
584                     "Show per-thread event counters"),
585         OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
586                    "pretty printing style key: normal raw"),
587         OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
588         OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
589         OPT_BOOLEAN(0, "stdio", &report.use_stdio,
590                     "Use the stdio interface"),
591         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
592                    "sort by key(s): pid, comm, dso, symbol, parent, dso_to,"
593                    " dso_from, symbol_to, symbol_from, mispredict"),
594         OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
595                     "Show sample percentage for different cpu modes"),
596         OPT_STRING('p', "parent", &parent_pattern, "regex",
597                    "regex filter to identify parent, see: '--sort parent'"),
598         OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
599                     "Only display entries with parent-match"),
600         OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
601                      "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. "
602                      "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt),
603         OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
604                     "alias for inverted call graph"),
605         OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
606                    "only consider symbols in these dsos"),
607         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
608                    "only consider symbols in these comms"),
609         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
610                    "only consider these symbols"),
611         OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
612                    "only show symbols that (partially) match with this filter"),
613         OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
614                    "width[,width...]",
615                    "don't try to adjust column width, use these fixed values"),
616         OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
617                    "separator for columns, no spaces will be added between "
618                    "columns '.' is reserved."),
619         OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
620                     "Only display entries resolved to a symbol"),
621         OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
622                     "Look for files with symbols relative to this directory"),
623         OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
624                    "list of cpus to profile"),
625         OPT_BOOLEAN('I', "show-info", &report.show_full_info,
626                     "Display extended information about perf.data file"),
627         OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
628                     "Interleave source code with assembly code (default)"),
629         OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
630                     "Display raw encoding of assembly instructions (default)"),
631         OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
632                    "Specify disassembler style (e.g. -M intel for intel syntax)"),
633         OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
634                     "Show a column with the sum of periods"),
635         OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "",
636                     "use branch records for histogram filling", parse_branch_mode),
637         OPT_END()
638         };
639
640         argc = parse_options(argc, argv, options, report_usage, 0);
641
642         if (report.use_stdio)
643                 use_browser = 0;
644         else if (report.use_tui)
645                 use_browser = 1;
646         else if (report.use_gtk)
647                 use_browser = 2;
648
649         if (report.inverted_callchain)
650                 callchain_param.order = ORDER_CALLER;
651
652         if (!report.input_name || !strlen(report.input_name)) {
653                 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
654                         report.input_name = "-";
655                 else
656                         report.input_name = "perf.data";
657         }
658         session = perf_session__new(report.input_name, O_RDONLY,
659                                     report.force, false, &report.tool);
660         if (session == NULL)
661                 return -ENOMEM;
662
663         report.session = session;
664
665         has_br_stack = perf_header__has_feat(&session->header,
666                                              HEADER_BRANCH_STACK);
667
668         if (sort__branch_mode == -1 && has_br_stack)
669                 sort__branch_mode = 1;
670
671         /* sort__branch_mode could be 0 if --no-branch-stack */
672         if (sort__branch_mode == 1) {
673                 /*
674                  * if no sort_order is provided, then specify
675                  * branch-mode specific order
676                  */
677                 if (sort_order == default_sort_order)
678                         sort_order = "comm,dso_from,symbol_from,"
679                                      "dso_to,symbol_to";
680
681         }
682
683         if (strcmp(report.input_name, "-") != 0) {
684                 if (report.use_gtk)
685                         perf_gtk_setup_browser(argc, argv, true);
686                 else
687                         setup_browser(true);
688         } else {
689                 use_browser = 0;
690         }
691
692         /*
693          * Only in the newt browser we are doing integrated annotation,
694          * so don't allocate extra space that won't be used in the stdio
695          * implementation.
696          */
697         if (use_browser > 0) {
698                 symbol_conf.priv_size = sizeof(struct annotation);
699                 report.annotate_init  = symbol__annotate_init;
700                 /*
701                  * For searching by name on the "Browse map details".
702                  * providing it only in verbose mode not to bloat too
703                  * much struct symbol.
704                  */
705                 if (verbose) {
706                         /*
707                          * XXX: Need to provide a less kludgy way to ask for
708                          * more space per symbol, the u32 is for the index on
709                          * the ui browser.
710                          * See symbol__browser_index.
711                          */
712                         symbol_conf.priv_size += sizeof(u32);
713                         symbol_conf.sort_by_name = true;
714                 }
715         }
716
717         if (symbol__init() < 0)
718                 goto error;
719
720         setup_sorting(report_usage, options);
721
722         if (parent_pattern != default_parent_pattern) {
723                 if (sort_dimension__add("parent") < 0)
724                         goto error;
725
726                 /*
727                  * Only show the parent fields if we explicitly
728                  * sort that way. If we only use parent machinery
729                  * for filtering, we don't want it.
730                  */
731                 if (!strstr(sort_order, "parent"))
732                         sort_parent.elide = 1;
733         } else
734                 symbol_conf.exclude_other = false;
735
736         if (argc) {
737                 /*
738                  * Special case: if there's an argument left then assume that
739                  * it's a symbol filter:
740                  */
741                 if (argc > 1)
742                         usage_with_options(report_usage, options);
743
744                 report.symbol_filter_str = argv[0];
745         }
746
747         sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
748
749         if (sort__branch_mode == 1) {
750                 sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout);
751                 sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout);
752                 sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout);
753                 sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout);
754         } else {
755                 sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
756                 sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
757         }
758
759         ret = __cmd_report(&report);
760 error:
761         perf_session__delete(session);
762         return ret;
763 }