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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 "util/data.h"
37#include "arch/common.h"
38
39#include <dlfcn.h>
40#include <linux/bitmap.h>
41
42struct report {
43 struct perf_tool tool;
44 struct perf_session *session;
45 bool force, use_tui, use_gtk, use_stdio;
46 bool hide_unresolved;
47 bool dont_use_callchains;
48 bool show_full_info;
49 bool show_threads;
50 bool inverted_callchain;
51 bool mem_mode;
52 bool header;
53 bool header_only;
54 int max_stack;
55 struct perf_read_values show_threads_values;
56 const char *pretty_printing_style;
57 const char *cpu_list;
58 const char *symbol_filter_str;
59 float min_percent;
60 u64 nr_entries;
61 u64 queue_size;
62 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
63};
64
65static int report__config(const char *var, const char *value, void *cb)
66{
67 struct report *rep = cb;
68
69 if (!strcmp(var, "report.group")) {
70 symbol_conf.event_group = perf_config_bool(var, value);
71 return 0;
72 }
73 if (!strcmp(var, "report.percent-limit")) {
74 rep->min_percent = strtof(value, NULL);
75 return 0;
76 }
77 if (!strcmp(var, "report.children")) {
78 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
79 return 0;
80 }
81 if (!strcmp(var, "report.queue-size")) {
82 rep->queue_size = perf_config_u64(var, value);
83 return 0;
84 }
85
86 return perf_default_config(var, value, cb);
87}
88
89static int hist_iter__report_callback(struct hist_entry_iter *iter,
90 struct addr_location *al, bool single,
91 void *arg)
92{
93 int err = 0;
94 struct report *rep = arg;
95 struct hist_entry *he = iter->he;
96 struct perf_evsel *evsel = iter->evsel;
97 struct mem_info *mi;
98 struct branch_info *bi;
99
100 if (!ui__has_annotation())
101 return 0;
102
103 if (sort__mode == SORT_MODE__BRANCH) {
104 bi = he->branch_info;
105 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
106 if (err)
107 goto out;
108
109 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
110
111 } else if (rep->mem_mode) {
112 mi = he->mem_info;
113 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
114 if (err)
115 goto out;
116
117 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
118
119 } else if (symbol_conf.cumulate_callchain) {
120 if (single)
121 err = hist_entry__inc_addr_samples(he, evsel->idx,
122 al->addr);
123 } else {
124 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
125 }
126
127out:
128 return err;
129}
130
131static int process_sample_event(struct perf_tool *tool,
132 union perf_event *event,
133 struct perf_sample *sample,
134 struct perf_evsel *evsel,
135 struct machine *machine)
136{
137 struct report *rep = container_of(tool, struct report, tool);
138 struct addr_location al;
139 struct hist_entry_iter iter = {
140 .hide_unresolved = rep->hide_unresolved,
141 .add_entry_cb = hist_iter__report_callback,
142 };
143 int ret;
144
145 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
146 pr_debug("problem processing %d event, skipping it.\n",
147 event->header.type);
148 return -1;
149 }
150
151 if (rep->hide_unresolved && al.sym == NULL)
152 return 0;
153
154 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
155 return 0;
156
157 if (sort__mode == SORT_MODE__BRANCH)
158 iter.ops = &hist_iter_branch;
159 else if (rep->mem_mode)
160 iter.ops = &hist_iter_mem;
161 else if (symbol_conf.cumulate_callchain)
162 iter.ops = &hist_iter_cumulative;
163 else
164 iter.ops = &hist_iter_normal;
165
166 if (al.map != NULL)
167 al.map->dso->hit = 1;
168
169 ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack,
170 rep);
171 if (ret < 0)
172 pr_debug("problem adding hist entry, skipping event\n");
173
174 return ret;
175}
176
177static int process_read_event(struct perf_tool *tool,
178 union perf_event *event,
179 struct perf_sample *sample __maybe_unused,
180 struct perf_evsel *evsel,
181 struct machine *machine __maybe_unused)
182{
183 struct report *rep = container_of(tool, struct report, tool);
184
185 if (rep->show_threads) {
186 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
187 perf_read_values_add_value(&rep->show_threads_values,
188 event->read.pid, event->read.tid,
189 event->read.id,
190 name,
191 event->read.value);
192 }
193
194 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
195 evsel ? perf_evsel__name(evsel) : "FAIL",
196 event->read.value);
197
198 return 0;
199}
200
201
202static int report__setup_sample_type(struct report *rep)
203{
204 struct perf_session *session = rep->session;
205 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
206 bool is_pipe = perf_data_file__is_pipe(session->file);
207
208 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
209 if (sort__has_parent) {
210 ui__error("Selected --sort parent, but no "
211 "callchain data. Did you call "
212 "'perf record' without -g?\n");
213 return -EINVAL;
214 }
215 if (symbol_conf.use_callchain) {
216 ui__error("Selected -g or --branch-history but no "
217 "callchain data. Did\n"
218 "you call 'perf record' without -g?\n");
219 return -1;
220 }
221 } else if (!rep->dont_use_callchains &&
222 callchain_param.mode != CHAIN_NONE &&
223 !symbol_conf.use_callchain) {
224 symbol_conf.use_callchain = true;
225 if (callchain_register_param(&callchain_param) < 0) {
226 ui__error("Can't register callchain params.\n");
227 return -EINVAL;
228 }
229 }
230
231 if (symbol_conf.cumulate_callchain) {
232
233 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
234 symbol_conf.cumulate_callchain = false;
235 perf_hpp__cancel_cumulate();
236 }
237 }
238
239 if (sort__mode == SORT_MODE__BRANCH) {
240 if (!is_pipe &&
241 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
242 ui__error("Selected -b but no branch data. "
243 "Did you call perf record without -b?\n");
244 return -1;
245 }
246 }
247
248 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
249 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
250 (sample_type & PERF_SAMPLE_STACK_USER))
251 callchain_param.record_mode = CALLCHAIN_DWARF;
252 else
253 callchain_param.record_mode = CALLCHAIN_FP;
254 }
255 return 0;
256}
257
258static void sig_handler(int sig __maybe_unused)
259{
260 session_done = 1;
261}
262
263static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
264 const char *evname, FILE *fp)
265{
266 size_t ret;
267 char unit;
268 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
269 u64 nr_events = hists->stats.total_period;
270 struct perf_evsel *evsel = hists_to_evsel(hists);
271 char buf[512];
272 size_t size = sizeof(buf);
273
274 if (symbol_conf.filter_relative) {
275 nr_samples = hists->stats.nr_non_filtered_samples;
276 nr_events = hists->stats.total_non_filtered_period;
277 }
278
279 if (perf_evsel__is_group_event(evsel)) {
280 struct perf_evsel *pos;
281
282 perf_evsel__group_desc(evsel, buf, size);
283 evname = buf;
284
285 for_each_group_member(pos, evsel) {
286 const struct hists *pos_hists = evsel__hists(pos);
287
288 if (symbol_conf.filter_relative) {
289 nr_samples += pos_hists->stats.nr_non_filtered_samples;
290 nr_events += pos_hists->stats.total_non_filtered_period;
291 } else {
292 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
293 nr_events += pos_hists->stats.total_period;
294 }
295 }
296 }
297
298 nr_samples = convert_unit(nr_samples, &unit);
299 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
300 if (evname != NULL)
301 ret += fprintf(fp, " of event '%s'", evname);
302
303 if (rep->mem_mode) {
304 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
305 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
306 } else
307 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
308 return ret + fprintf(fp, "\n#\n");
309}
310
311static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
312 struct report *rep,
313 const char *help)
314{
315 struct perf_evsel *pos;
316
317 evlist__for_each(evlist, pos) {
318 struct hists *hists = evsel__hists(pos);
319 const char *evname = perf_evsel__name(pos);
320
321 if (symbol_conf.event_group &&
322 !perf_evsel__is_group_leader(pos))
323 continue;
324
325 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
326 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
327 fprintf(stdout, "\n\n");
328 }
329
330 if (sort_order == default_sort_order &&
331 parent_pattern == default_parent_pattern) {
332 fprintf(stdout, "#\n# (%s)\n#\n", help);
333
334 if (rep->show_threads) {
335 bool style = !strcmp(rep->pretty_printing_style, "raw");
336 perf_read_values_display(stdout, &rep->show_threads_values,
337 style);
338 perf_read_values_destroy(&rep->show_threads_values);
339 }
340 }
341
342 return 0;
343}
344
345static void report__warn_kptr_restrict(const struct report *rep)
346{
347 struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
348 struct kmap *kernel_kmap = map__kmap(kernel_map);
349
350 if (kernel_map == NULL ||
351 (kernel_map->dso->hit &&
352 (kernel_kmap->ref_reloc_sym == NULL ||
353 kernel_kmap->ref_reloc_sym->addr == 0))) {
354 const char *desc =
355 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
356 "can't be resolved.";
357
358 if (kernel_map) {
359 const struct dso *kdso = kernel_map->dso;
360 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
361 desc = "If some relocation was applied (e.g. "
362 "kexec) symbols may be misresolved.";
363 }
364 }
365
366 ui__warning(
367"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
368"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
369"Samples in kernel modules can't be resolved as well.\n\n",
370 desc);
371 }
372}
373
374static int report__gtk_browse_hists(struct report *rep, const char *help)
375{
376 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
377 struct hist_browser_timer *timer, float min_pcnt);
378
379 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
380
381 if (hist_browser == NULL) {
382 ui__error("GTK browser not found!\n");
383 return -1;
384 }
385
386 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
387}
388
389static int report__browse_hists(struct report *rep)
390{
391 int ret;
392 struct perf_session *session = rep->session;
393 struct perf_evlist *evlist = session->evlist;
394 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
395
396 switch (use_browser) {
397 case 1:
398 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
399 rep->min_percent,
400 &session->header.env);
401
402
403
404
405 if (ret != K_SWITCH_INPUT_DATA)
406 ret = 0;
407 break;
408 case 2:
409 ret = report__gtk_browse_hists(rep, help);
410 break;
411 default:
412 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
413 break;
414 }
415
416 return ret;
417}
418
419static void report__collapse_hists(struct report *rep)
420{
421 struct ui_progress prog;
422 struct perf_evsel *pos;
423
424 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
425
426 evlist__for_each(rep->session->evlist, pos) {
427 struct hists *hists = evsel__hists(pos);
428
429 if (pos->idx == 0)
430 hists->symbol_filter_str = rep->symbol_filter_str;
431
432 hists__collapse_resort(hists, &prog);
433
434
435 if (symbol_conf.event_group &&
436 !perf_evsel__is_group_leader(pos)) {
437 struct hists *leader_hists = evsel__hists(pos->leader);
438
439 hists__match(leader_hists, hists);
440 hists__link(leader_hists, hists);
441 }
442 }
443
444 ui_progress__finish();
445}
446
447static void report__output_resort(struct report *rep)
448{
449 struct ui_progress prog;
450 struct perf_evsel *pos;
451
452 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
453
454 evlist__for_each(rep->session->evlist, pos)
455 hists__output_resort(evsel__hists(pos), &prog);
456
457 ui_progress__finish();
458}
459
460static int __cmd_report(struct report *rep)
461{
462 int ret;
463 struct perf_session *session = rep->session;
464 struct perf_evsel *pos;
465 struct perf_data_file *file = session->file;
466
467 signal(SIGINT, sig_handler);
468
469 if (rep->cpu_list) {
470 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
471 rep->cpu_bitmap);
472 if (ret)
473 return ret;
474 }
475
476 if (rep->show_threads)
477 perf_read_values_init(&rep->show_threads_values);
478
479 ret = report__setup_sample_type(rep);
480 if (ret)
481 return ret;
482
483 ret = perf_session__process_events(session, &rep->tool);
484 if (ret)
485 return ret;
486
487 report__warn_kptr_restrict(rep);
488
489 evlist__for_each(session->evlist, pos)
490 rep->nr_entries += evsel__hists(pos)->nr_entries;
491
492 if (use_browser == 0) {
493 if (verbose > 3)
494 perf_session__fprintf(session, stdout);
495
496 if (verbose > 2)
497 perf_session__fprintf_dsos(session, stdout);
498
499 if (dump_trace) {
500 perf_session__fprintf_nr_events(session, stdout);
501 perf_evlist__fprintf_nr_events(session->evlist, stdout);
502 return 0;
503 }
504 }
505
506 report__collapse_hists(rep);
507
508 if (session_done())
509 return 0;
510
511
512
513
514
515 rep->nr_entries = 0;
516 evlist__for_each(session->evlist, pos)
517 rep->nr_entries += evsel__hists(pos)->nr_entries;
518
519 if (rep->nr_entries == 0) {
520 ui__error("The %s file has no samples!\n", file->path);
521 return 0;
522 }
523
524 report__output_resort(rep);
525
526 return report__browse_hists(rep);
527}
528
529static int
530report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
531{
532 struct report *rep = (struct report *)opt->value;
533
534
535
536
537 if (unset) {
538 rep->dont_use_callchains = true;
539 return 0;
540 }
541
542 return parse_callchain_report_opt(arg);
543}
544
545int
546report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
547 const char *arg, int unset __maybe_unused)
548{
549 if (arg) {
550 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
551 if (err) {
552 char buf[BUFSIZ];
553 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
554 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
555 return -1;
556 }
557 have_ignore_callees = 1;
558 }
559
560 return 0;
561}
562
563static int
564parse_branch_mode(const struct option *opt __maybe_unused,
565 const char *str __maybe_unused, int unset)
566{
567 int *branch_mode = opt->value;
568
569 *branch_mode = !unset;
570 return 0;
571}
572
573static int
574parse_percent_limit(const struct option *opt, const char *str,
575 int unset __maybe_unused)
576{
577 struct report *rep = opt->value;
578
579 rep->min_percent = strtof(str, NULL);
580 return 0;
581}
582
583int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
584{
585 struct perf_session *session;
586 struct stat st;
587 bool has_br_stack = false;
588 int branch_mode = -1;
589 bool branch_call_mode = false;
590 char callchain_default_opt[] = "fractal,0.5,callee";
591 const char * const report_usage[] = {
592 "perf report [<options>]",
593 NULL
594 };
595 struct report report = {
596 .tool = {
597 .sample = process_sample_event,
598 .mmap = perf_event__process_mmap,
599 .mmap2 = perf_event__process_mmap2,
600 .comm = perf_event__process_comm,
601 .exit = perf_event__process_exit,
602 .fork = perf_event__process_fork,
603 .lost = perf_event__process_lost,
604 .read = process_read_event,
605 .attr = perf_event__process_attr,
606 .tracing_data = perf_event__process_tracing_data,
607 .build_id = perf_event__process_build_id,
608 .ordered_events = true,
609 .ordering_requires_timestamps = true,
610 },
611 .max_stack = PERF_MAX_STACK_DEPTH,
612 .pretty_printing_style = "normal",
613 };
614 const struct option options[] = {
615 OPT_STRING('i', "input", &input_name, "file",
616 "input file name"),
617 OPT_INCR('v', "verbose", &verbose,
618 "be more verbose (show symbol address, etc)"),
619 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
620 "dump raw trace in ASCII"),
621 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
622 "file", "vmlinux pathname"),
623 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
624 "file", "kallsyms pathname"),
625 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
626 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
627 "load module symbols - WARNING: use only with -k and LIVE kernel"),
628 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
629 "Show a column with the number of samples"),
630 OPT_BOOLEAN('T', "threads", &report.show_threads,
631 "Show per-thread event counters"),
632 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
633 "pretty printing style key: normal raw"),
634 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
635 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
636 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
637 "Use the stdio interface"),
638 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
639 OPT_BOOLEAN(0, "header-only", &report.header_only,
640 "Show only data header."),
641 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
642 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
643 " Please refer the man page for the complete list."),
644 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
645 "output field(s): overhead, period, sample plus all of sort keys"),
646 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
647 "Show sample percentage for different cpu modes"),
648 OPT_STRING('p', "parent", &parent_pattern, "regex",
649 "regex filter to identify parent, see: '--sort parent'"),
650 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
651 "Only display entries with parent-match"),
652 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
653 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
654 "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
655 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
656 "Accumulate callchains of children and show total overhead as well"),
657 OPT_INTEGER(0, "max-stack", &report.max_stack,
658 "Set the maximum stack depth when parsing the callchain, "
659 "anything beyond the specified depth will be ignored. "
660 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
661 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
662 "alias for inverted call graph"),
663 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
664 "ignore callees of these functions in call graphs",
665 report_parse_ignore_callees_opt),
666 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
667 "only consider symbols in these dsos"),
668 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
669 "only consider symbols in these comms"),
670 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
671 "only consider these symbols"),
672 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
673 "only show symbols that (partially) match with this filter"),
674 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
675 "width[,width...]",
676 "don't try to adjust column width, use these fixed values"),
677 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
678 "separator for columns, no spaces will be added between "
679 "columns '.' is reserved."),
680 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
681 "Only display entries resolved to a symbol"),
682 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
683 "Look for files with symbols relative to this directory"),
684 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
685 "list of cpus to profile"),
686 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
687 "Display extended information about perf.data file"),
688 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
689 "Interleave source code with assembly code (default)"),
690 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
691 "Display raw encoding of assembly instructions (default)"),
692 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
693 "Specify disassembler style (e.g. -M intel for intel syntax)"),
694 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
695 "Show a column with the sum of periods"),
696 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
697 "Show event group information together"),
698 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
699 "use branch records for per branch histogram filling",
700 parse_branch_mode),
701 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
702 "add last branch records to call history"),
703 OPT_STRING(0, "objdump", &objdump_path, "path",
704 "objdump binary to use for disassembly and annotations"),
705 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
706 "Disable symbol demangling"),
707 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
708 "Enable kernel symbol demangling"),
709 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
710 OPT_CALLBACK(0, "percent-limit", &report, "percent",
711 "Don't show entries under that percent", parse_percent_limit),
712 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
713 "how to display percentage of filtered entries", parse_filter_percentage),
714 OPT_END()
715 };
716 struct perf_data_file file = {
717 .mode = PERF_DATA_MODE_READ,
718 };
719 int ret = hists__init();
720
721 if (ret < 0)
722 return ret;
723
724 perf_config(report__config, &report);
725
726 argc = parse_options(argc, argv, options, report_usage, 0);
727
728 if (report.use_stdio)
729 use_browser = 0;
730 else if (report.use_tui)
731 use_browser = 1;
732 else if (report.use_gtk)
733 use_browser = 2;
734
735 if (report.inverted_callchain)
736 callchain_param.order = ORDER_CALLER;
737
738 if (!input_name || !strlen(input_name)) {
739 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
740 input_name = "-";
741 else
742 input_name = "perf.data";
743 }
744
745 file.path = input_name;
746 file.force = report.force;
747
748repeat:
749 session = perf_session__new(&file, false, &report.tool);
750 if (session == NULL)
751 return -1;
752
753 if (report.queue_size) {
754 ordered_events__set_alloc_size(&session->ordered_events,
755 report.queue_size);
756 }
757
758 report.session = session;
759
760 has_br_stack = perf_header__has_feat(&session->header,
761 HEADER_BRANCH_STACK);
762
763
764
765
766
767
768 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
769 branch_call_mode == -1) {
770 sort__mode = SORT_MODE__BRANCH;
771 symbol_conf.cumulate_callchain = false;
772 }
773 if (branch_call_mode) {
774 callchain_param.key = CCKEY_ADDRESS;
775 callchain_param.branch_callstack = 1;
776 symbol_conf.use_callchain = true;
777 callchain_register_param(&callchain_param);
778 if (sort_order == NULL)
779 sort_order = "srcline,symbol,dso";
780 }
781
782 if (report.mem_mode) {
783 if (sort__mode == SORT_MODE__BRANCH) {
784 pr_err("branch and mem mode incompatible\n");
785 goto error;
786 }
787 sort__mode = SORT_MODE__MEMORY;
788 symbol_conf.cumulate_callchain = false;
789 }
790
791 if (setup_sorting() < 0) {
792 if (sort_order)
793 parse_options_usage(report_usage, options, "s", 1);
794 if (field_order)
795 parse_options_usage(sort_order ? NULL : report_usage,
796 options, "F", 1);
797 goto error;
798 }
799
800
801 if (report.header || report.header_only)
802 use_browser = 0;
803
804 if (strcmp(input_name, "-") != 0)
805 setup_browser(true);
806 else
807 use_browser = 0;
808
809 if (report.header || report.header_only) {
810 perf_session__fprintf_info(session, stdout,
811 report.show_full_info);
812 if (report.header_only)
813 return 0;
814 } else if (use_browser == 0) {
815 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
816 stdout);
817 }
818
819
820
821
822
823
824 if (ui__has_annotation()) {
825 symbol_conf.priv_size = sizeof(struct annotation);
826 machines__set_symbol_filter(&session->machines,
827 symbol__annotate_init);
828
829
830
831
832
833 if (verbose) {
834
835
836
837
838
839
840 symbol_conf.priv_size += sizeof(u32);
841 symbol_conf.sort_by_name = true;
842 }
843 }
844
845 if (symbol__init(&session->header.env) < 0)
846 goto error;
847
848 if (argc) {
849
850
851
852
853 if (argc > 1)
854 usage_with_options(report_usage, options);
855
856 report.symbol_filter_str = argv[0];
857 }
858
859 sort__setup_elide(stdout);
860
861 ret = __cmd_report(&report);
862 if (ret == K_SWITCH_INPUT_DATA) {
863 perf_session__delete(session);
864 goto repeat;
865 } else
866 ret = 0;
867
868error:
869 perf_session__delete(session);
870 return ret;
871}
872
