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