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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 "util/auxtrace.h"
40
41#include <dlfcn.h>
42#include <linux/bitmap.h>
43
44struct report {
45 struct perf_tool tool;
46 struct perf_session *session;
47 bool force, use_tui, use_gtk, use_stdio;
48 bool hide_unresolved;
49 bool dont_use_callchains;
50 bool show_full_info;
51 bool show_threads;
52 bool inverted_callchain;
53 bool mem_mode;
54 bool header;
55 bool header_only;
56 bool nonany_branch_mode;
57 int max_stack;
58 struct perf_read_values show_threads_values;
59 const char *pretty_printing_style;
60 const char *cpu_list;
61 const char *symbol_filter_str;
62 float min_percent;
63 u64 nr_entries;
64 u64 queue_size;
65 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
66};
67
68static int report__config(const char *var, const char *value, void *cb)
69{
70 struct report *rep = cb;
71
72 if (!strcmp(var, "report.group")) {
73 symbol_conf.event_group = perf_config_bool(var, value);
74 return 0;
75 }
76 if (!strcmp(var, "report.percent-limit")) {
77 rep->min_percent = strtof(value, NULL);
78 return 0;
79 }
80 if (!strcmp(var, "report.children")) {
81 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
82 return 0;
83 }
84 if (!strcmp(var, "report.queue-size")) {
85 rep->queue_size = perf_config_u64(var, value);
86 return 0;
87 }
88
89 return perf_default_config(var, value, cb);
90}
91
92static int hist_iter__report_callback(struct hist_entry_iter *iter,
93 struct addr_location *al, bool single,
94 void *arg)
95{
96 int err = 0;
97 struct report *rep = arg;
98 struct hist_entry *he = iter->he;
99 struct perf_evsel *evsel = iter->evsel;
100 struct mem_info *mi;
101 struct branch_info *bi;
102
103 if (!ui__has_annotation())
104 return 0;
105
106 hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
107 rep->nonany_branch_mode);
108
109 if (sort__mode == SORT_MODE__BRANCH) {
110 bi = he->branch_info;
111 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
112 if (err)
113 goto out;
114
115 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
116
117 } else if (rep->mem_mode) {
118 mi = he->mem_info;
119 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
120 if (err)
121 goto out;
122
123 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
124
125 } else if (symbol_conf.cumulate_callchain) {
126 if (single)
127 err = hist_entry__inc_addr_samples(he, evsel->idx,
128 al->addr);
129 } else {
130 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
131 }
132
133out:
134 return err;
135}
136
137static int process_sample_event(struct perf_tool *tool,
138 union perf_event *event,
139 struct perf_sample *sample,
140 struct perf_evsel *evsel,
141 struct machine *machine)
142{
143 struct report *rep = container_of(tool, struct report, tool);
144 struct addr_location al;
145 struct hist_entry_iter iter = {
146 .evsel = evsel,
147 .sample = sample,
148 .hide_unresolved = rep->hide_unresolved,
149 .add_entry_cb = hist_iter__report_callback,
150 };
151 int ret = 0;
152
153 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
154 pr_debug("problem processing %d event, skipping it.\n",
155 event->header.type);
156 return -1;
157 }
158
159 if (rep->hide_unresolved && al.sym == NULL)
160 goto out_put;
161
162 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
163 goto out_put;
164
165 if (sort__mode == SORT_MODE__BRANCH)
166 iter.ops = &hist_iter_branch;
167 else if (rep->mem_mode)
168 iter.ops = &hist_iter_mem;
169 else if (symbol_conf.cumulate_callchain)
170 iter.ops = &hist_iter_cumulative;
171 else
172 iter.ops = &hist_iter_normal;
173
174 if (al.map != NULL)
175 al.map->dso->hit = 1;
176
177 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
178 if (ret < 0)
179 pr_debug("problem adding hist entry, skipping event\n");
180out_put:
181 addr_location__put(&al);
182 return ret;
183}
184
185static int process_read_event(struct perf_tool *tool,
186 union perf_event *event,
187 struct perf_sample *sample __maybe_unused,
188 struct perf_evsel *evsel,
189 struct machine *machine __maybe_unused)
190{
191 struct report *rep = container_of(tool, struct report, tool);
192
193 if (rep->show_threads) {
194 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
195 perf_read_values_add_value(&rep->show_threads_values,
196 event->read.pid, event->read.tid,
197 event->read.id,
198 name,
199 event->read.value);
200 }
201
202 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
203 evsel ? perf_evsel__name(evsel) : "FAIL",
204 event->read.value);
205
206 return 0;
207}
208
209
210static int report__setup_sample_type(struct report *rep)
211{
212 struct perf_session *session = rep->session;
213 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
214 bool is_pipe = perf_data_file__is_pipe(session->file);
215
216 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
217 if (sort__has_parent) {
218 ui__error("Selected --sort parent, but no "
219 "callchain data. Did you call "
220 "'perf record' without -g?\n");
221 return -EINVAL;
222 }
223 if (symbol_conf.use_callchain) {
224 ui__error("Selected -g or --branch-history but no "
225 "callchain data. Did\n"
226 "you call 'perf record' without -g?\n");
227 return -1;
228 }
229 } else if (!rep->dont_use_callchains &&
230 callchain_param.mode != CHAIN_NONE &&
231 !symbol_conf.use_callchain) {
232 symbol_conf.use_callchain = true;
233 if (callchain_register_param(&callchain_param) < 0) {
234 ui__error("Can't register callchain params.\n");
235 return -EINVAL;
236 }
237 }
238
239 if (symbol_conf.cumulate_callchain) {
240
241 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
242 symbol_conf.cumulate_callchain = false;
243 perf_hpp__cancel_cumulate();
244 }
245 }
246
247 if (sort__mode == SORT_MODE__BRANCH) {
248 if (!is_pipe &&
249 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
250 ui__error("Selected -b but no branch data. "
251 "Did you call perf record without -b?\n");
252 return -1;
253 }
254 }
255
256 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
257 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
258 (sample_type & PERF_SAMPLE_STACK_USER))
259 callchain_param.record_mode = CALLCHAIN_DWARF;
260 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
261 callchain_param.record_mode = CALLCHAIN_LBR;
262 else
263 callchain_param.record_mode = CALLCHAIN_FP;
264 }
265
266
267 if (!(perf_evlist__combined_branch_type(session->evlist) &
268 PERF_SAMPLE_BRANCH_ANY))
269 rep->nonany_branch_mode = true;
270
271 return 0;
272}
273
274static void sig_handler(int sig __maybe_unused)
275{
276 session_done = 1;
277}
278
279static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
280 const char *evname, FILE *fp)
281{
282 size_t ret;
283 char unit;
284 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
285 u64 nr_events = hists->stats.total_period;
286 struct perf_evsel *evsel = hists_to_evsel(hists);
287 char buf[512];
288 size_t size = sizeof(buf);
289
290 if (symbol_conf.filter_relative) {
291 nr_samples = hists->stats.nr_non_filtered_samples;
292 nr_events = hists->stats.total_non_filtered_period;
293 }
294
295 if (perf_evsel__is_group_event(evsel)) {
296 struct perf_evsel *pos;
297
298 perf_evsel__group_desc(evsel, buf, size);
299 evname = buf;
300
301 for_each_group_member(pos, evsel) {
302 const struct hists *pos_hists = evsel__hists(pos);
303
304 if (symbol_conf.filter_relative) {
305 nr_samples += pos_hists->stats.nr_non_filtered_samples;
306 nr_events += pos_hists->stats.total_non_filtered_period;
307 } else {
308 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
309 nr_events += pos_hists->stats.total_period;
310 }
311 }
312 }
313
314 nr_samples = convert_unit(nr_samples, &unit);
315 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
316 if (evname != NULL)
317 ret += fprintf(fp, " of event '%s'", evname);
318
319 if (symbol_conf.show_ref_callgraph &&
320 strstr(evname, "call-graph=no")) {
321 ret += fprintf(fp, ", show reference callgraph");
322 }
323
324 if (rep->mem_mode) {
325 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
326 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
327 } else
328 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
329 return ret + fprintf(fp, "\n#\n");
330}
331
332static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
333 struct report *rep,
334 const char *help)
335{
336 struct perf_evsel *pos;
337
338 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples);
339 evlist__for_each(evlist, pos) {
340 struct hists *hists = evsel__hists(pos);
341 const char *evname = perf_evsel__name(pos);
342
343 if (symbol_conf.event_group &&
344 !perf_evsel__is_group_leader(pos))
345 continue;
346
347 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
348 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
349 fprintf(stdout, "\n\n");
350 }
351
352 if (sort_order == NULL &&
353 parent_pattern == default_parent_pattern)
354 fprintf(stdout, "#\n# (%s)\n#\n", help);
355
356 if (rep->show_threads) {
357 bool style = !strcmp(rep->pretty_printing_style, "raw");
358 perf_read_values_display(stdout, &rep->show_threads_values,
359 style);
360 perf_read_values_destroy(&rep->show_threads_values);
361 }
362
363 return 0;
364}
365
366static void report__warn_kptr_restrict(const struct report *rep)
367{
368 struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
369 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
370
371 if (kernel_map == NULL ||
372 (kernel_map->dso->hit &&
373 (kernel_kmap->ref_reloc_sym == NULL ||
374 kernel_kmap->ref_reloc_sym->addr == 0))) {
375 const char *desc =
376 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
377 "can't be resolved.";
378
379 if (kernel_map) {
380 const struct dso *kdso = kernel_map->dso;
381 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
382 desc = "If some relocation was applied (e.g. "
383 "kexec) symbols may be misresolved.";
384 }
385 }
386
387 ui__warning(
388"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
389"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
390"Samples in kernel modules can't be resolved as well.\n\n",
391 desc);
392 }
393}
394
395static int report__gtk_browse_hists(struct report *rep, const char *help)
396{
397 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
398 struct hist_browser_timer *timer, float min_pcnt);
399
400 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
401
402 if (hist_browser == NULL) {
403 ui__error("GTK browser not found!\n");
404 return -1;
405 }
406
407 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
408}
409
410static int report__browse_hists(struct report *rep)
411{
412 int ret;
413 struct perf_session *session = rep->session;
414 struct perf_evlist *evlist = session->evlist;
415 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
416
417 switch (use_browser) {
418 case 1:
419 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
420 rep->min_percent,
421 &session->header.env);
422
423
424
425
426 if (ret != K_SWITCH_INPUT_DATA)
427 ret = 0;
428 break;
429 case 2:
430 ret = report__gtk_browse_hists(rep, help);
431 break;
432 default:
433 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
434 break;
435 }
436
437 return ret;
438}
439
440static void report__collapse_hists(struct report *rep)
441{
442 struct ui_progress prog;
443 struct perf_evsel *pos;
444
445 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
446
447 evlist__for_each(rep->session->evlist, pos) {
448 struct hists *hists = evsel__hists(pos);
449
450 if (pos->idx == 0)
451 hists->symbol_filter_str = rep->symbol_filter_str;
452
453 hists__collapse_resort(hists, &prog);
454
455
456 if (symbol_conf.event_group &&
457 !perf_evsel__is_group_leader(pos)) {
458 struct hists *leader_hists = evsel__hists(pos->leader);
459
460 hists__match(leader_hists, hists);
461 hists__link(leader_hists, hists);
462 }
463 }
464
465 ui_progress__finish();
466}
467
468static void report__output_resort(struct report *rep)
469{
470 struct ui_progress prog;
471 struct perf_evsel *pos;
472
473 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
474
475 evlist__for_each(rep->session->evlist, pos)
476 hists__output_resort(evsel__hists(pos), &prog);
477
478 ui_progress__finish();
479}
480
481static int __cmd_report(struct report *rep)
482{
483 int ret;
484 struct perf_session *session = rep->session;
485 struct perf_evsel *pos;
486 struct perf_data_file *file = session->file;
487
488 signal(SIGINT, sig_handler);
489
490 if (rep->cpu_list) {
491 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
492 rep->cpu_bitmap);
493 if (ret)
494 return ret;
495 }
496
497 if (rep->show_threads)
498 perf_read_values_init(&rep->show_threads_values);
499
500 ret = report__setup_sample_type(rep);
501 if (ret)
502 return ret;
503
504 ret = perf_session__process_events(session);
505 if (ret)
506 return ret;
507
508 report__warn_kptr_restrict(rep);
509
510 evlist__for_each(session->evlist, pos)
511 rep->nr_entries += evsel__hists(pos)->nr_entries;
512
513 if (use_browser == 0) {
514 if (verbose > 3)
515 perf_session__fprintf(session, stdout);
516
517 if (verbose > 2)
518 perf_session__fprintf_dsos(session, stdout);
519
520 if (dump_trace) {
521 perf_session__fprintf_nr_events(session, stdout);
522 perf_evlist__fprintf_nr_events(session->evlist, stdout);
523 return 0;
524 }
525 }
526
527 report__collapse_hists(rep);
528
529 if (session_done())
530 return 0;
531
532
533
534
535
536 rep->nr_entries = 0;
537 evlist__for_each(session->evlist, pos)
538 rep->nr_entries += evsel__hists(pos)->nr_entries;
539
540 if (rep->nr_entries == 0) {
541 ui__error("The %s file has no samples!\n", file->path);
542 return 0;
543 }
544
545 report__output_resort(rep);
546
547 return report__browse_hists(rep);
548}
549
550static int
551report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
552{
553 struct report *rep = (struct report *)opt->value;
554
555
556
557
558 if (unset) {
559 rep->dont_use_callchains = true;
560 return 0;
561 }
562
563 return parse_callchain_report_opt(arg);
564}
565
566int
567report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
568 const char *arg, int unset __maybe_unused)
569{
570 if (arg) {
571 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
572 if (err) {
573 char buf[BUFSIZ];
574 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
575 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
576 return -1;
577 }
578 have_ignore_callees = 1;
579 }
580
581 return 0;
582}
583
584static int
585parse_branch_mode(const struct option *opt __maybe_unused,
586 const char *str __maybe_unused, int unset)
587{
588 int *branch_mode = opt->value;
589
590 *branch_mode = !unset;
591 return 0;
592}
593
594static int
595parse_percent_limit(const struct option *opt, const char *str,
596 int unset __maybe_unused)
597{
598 struct report *rep = opt->value;
599
600 rep->min_percent = strtof(str, NULL);
601 return 0;
602}
603
604int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
605{
606 struct perf_session *session;
607 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
608 struct stat st;
609 bool has_br_stack = false;
610 int branch_mode = -1;
611 bool branch_call_mode = false;
612 char callchain_default_opt[] = "fractal,0.5,callee";
613 const char * const report_usage[] = {
614 "perf report [<options>]",
615 NULL
616 };
617 struct report report = {
618 .tool = {
619 .sample = process_sample_event,
620 .mmap = perf_event__process_mmap,
621 .mmap2 = perf_event__process_mmap2,
622 .comm = perf_event__process_comm,
623 .exit = perf_event__process_exit,
624 .fork = perf_event__process_fork,
625 .lost = perf_event__process_lost,
626 .read = process_read_event,
627 .attr = perf_event__process_attr,
628 .tracing_data = perf_event__process_tracing_data,
629 .build_id = perf_event__process_build_id,
630 .id_index = perf_event__process_id_index,
631 .auxtrace_info = perf_event__process_auxtrace_info,
632 .auxtrace = perf_event__process_auxtrace,
633 .ordered_events = true,
634 .ordering_requires_timestamps = true,
635 },
636 .max_stack = PERF_MAX_STACK_DEPTH,
637 .pretty_printing_style = "normal",
638 };
639 const struct option options[] = {
640 OPT_STRING('i', "input", &input_name, "file",
641 "input file name"),
642 OPT_INCR('v', "verbose", &verbose,
643 "be more verbose (show symbol address, etc)"),
644 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
645 "dump raw trace in ASCII"),
646 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
647 "file", "vmlinux pathname"),
648 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
649 "file", "kallsyms pathname"),
650 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
651 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
652 "load module symbols - WARNING: use only with -k and LIVE kernel"),
653 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
654 "Show a column with the number of samples"),
655 OPT_BOOLEAN('T', "threads", &report.show_threads,
656 "Show per-thread event counters"),
657 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
658 "pretty printing style key: normal raw"),
659 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
660 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
661 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
662 "Use the stdio interface"),
663 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
664 OPT_BOOLEAN(0, "header-only", &report.header_only,
665 "Show only data header."),
666 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
667 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
668 " Please refer the man page for the complete list."),
669 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
670 "output field(s): overhead, period, sample plus all of sort keys"),
671 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
672 "Show sample percentage for different cpu modes"),
673 OPT_STRING('p', "parent", &parent_pattern, "regex",
674 "regex filter to identify parent, see: '--sort parent'"),
675 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
676 "Only display entries with parent-match"),
677 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
678 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
679 "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
680 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
681 "Accumulate callchains of children and show total overhead as well"),
682 OPT_INTEGER(0, "max-stack", &report.max_stack,
683 "Set the maximum stack depth when parsing the callchain, "
684 "anything beyond the specified depth will be ignored. "
685 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
686 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
687 "alias for inverted call graph"),
688 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
689 "ignore callees of these functions in call graphs",
690 report_parse_ignore_callees_opt),
691 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
692 "only consider symbols in these dsos"),
693 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
694 "only consider symbols in these comms"),
695 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
696 "only consider symbols in these pids"),
697 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
698 "only consider symbols in these tids"),
699 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
700 "only consider these symbols"),
701 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
702 "only show symbols that (partially) match with this filter"),
703 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
704 "width[,width...]",
705 "don't try to adjust column width, use these fixed values"),
706 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
707 "separator for columns, no spaces will be added between "
708 "columns '.' is reserved."),
709 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
710 "Only display entries resolved to a symbol"),
711 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
712 "Look for files with symbols relative to this directory"),
713 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
714 "list of cpus to profile"),
715 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
716 "Display extended information about perf.data file"),
717 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
718 "Interleave source code with assembly code (default)"),
719 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
720 "Display raw encoding of assembly instructions (default)"),
721 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
722 "Specify disassembler style (e.g. -M intel for intel syntax)"),
723 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
724 "Show a column with the sum of periods"),
725 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
726 "Show event group information together"),
727 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
728 "use branch records for per branch histogram filling",
729 parse_branch_mode),
730 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
731 "add last branch records to call history"),
732 OPT_STRING(0, "objdump", &objdump_path, "path",
733 "objdump binary to use for disassembly and annotations"),
734 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
735 "Disable symbol demangling"),
736 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
737 "Enable kernel symbol demangling"),
738 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
739 OPT_CALLBACK(0, "percent-limit", &report, "percent",
740 "Don't show entries under that percent", parse_percent_limit),
741 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
742 "how to display percentage of filtered entries", parse_filter_percentage),
743 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
744 "Instruction Tracing options",
745 itrace_parse_synth_opts),
746 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
747 "Show full source file name path for source lines"),
748 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
749 "Show callgraph from reference event"),
750 OPT_END()
751 };
752 struct perf_data_file file = {
753 .mode = PERF_DATA_MODE_READ,
754 };
755 int ret = hists__init();
756
757 if (ret < 0)
758 return ret;
759
760 perf_config(report__config, &report);
761
762 argc = parse_options(argc, argv, options, report_usage, 0);
763
764 if (symbol_conf.vmlinux_name &&
765 access(symbol_conf.vmlinux_name, R_OK)) {
766 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
767 return -EINVAL;
768 }
769 if (symbol_conf.kallsyms_name &&
770 access(symbol_conf.kallsyms_name, R_OK)) {
771 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
772 return -EINVAL;
773 }
774
775 if (report.use_stdio)
776 use_browser = 0;
777 else if (report.use_tui)
778 use_browser = 1;
779 else if (report.use_gtk)
780 use_browser = 2;
781
782 if (report.inverted_callchain)
783 callchain_param.order = ORDER_CALLER;
784
785 if (!input_name || !strlen(input_name)) {
786 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
787 input_name = "-";
788 else
789 input_name = "perf.data";
790 }
791
792 file.path = input_name;
793 file.force = report.force;
794
795repeat:
796 session = perf_session__new(&file, false, &report.tool);
797 if (session == NULL)
798 return -1;
799
800 if (report.queue_size) {
801 ordered_events__set_alloc_size(&session->ordered_events,
802 report.queue_size);
803 }
804
805 session->itrace_synth_opts = &itrace_synth_opts;
806
807 report.session = session;
808
809 has_br_stack = perf_header__has_feat(&session->header,
810 HEADER_BRANCH_STACK);
811
812
813
814
815
816
817 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
818 !branch_call_mode) {
819 sort__mode = SORT_MODE__BRANCH;
820 symbol_conf.cumulate_callchain = false;
821 }
822 if (branch_call_mode) {
823 callchain_param.key = CCKEY_ADDRESS;
824 callchain_param.branch_callstack = 1;
825 symbol_conf.use_callchain = true;
826 callchain_register_param(&callchain_param);
827 if (sort_order == NULL)
828 sort_order = "srcline,symbol,dso";
829 }
830
831 if (report.mem_mode) {
832 if (sort__mode == SORT_MODE__BRANCH) {
833 pr_err("branch and mem mode incompatible\n");
834 goto error;
835 }
836 sort__mode = SORT_MODE__MEMORY;
837 symbol_conf.cumulate_callchain = false;
838 }
839
840 if (setup_sorting() < 0) {
841 if (sort_order)
842 parse_options_usage(report_usage, options, "s", 1);
843 if (field_order)
844 parse_options_usage(sort_order ? NULL : report_usage,
845 options, "F", 1);
846 goto error;
847 }
848
849
850 if (report.header || report.header_only || report.show_threads)
851 use_browser = 0;
852
853 if (strcmp(input_name, "-") != 0)
854 setup_browser(true);
855 else
856 use_browser = 0;
857
858 if (report.header || report.header_only) {
859 perf_session__fprintf_info(session, stdout,
860 report.show_full_info);
861 if (report.header_only) {
862 ret = 0;
863 goto error;
864 }
865 } else if (use_browser == 0) {
866 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
867 stdout);
868 }
869
870
871
872
873
874
875 if (ui__has_annotation()) {
876 symbol_conf.priv_size = sizeof(struct annotation);
877 machines__set_symbol_filter(&session->machines,
878 symbol__annotate_init);
879
880
881
882
883
884 if (verbose) {
885
886
887
888
889
890
891 symbol_conf.priv_size += sizeof(u32);
892 symbol_conf.sort_by_name = true;
893 }
894 }
895
896 if (symbol__init(&session->header.env) < 0)
897 goto error;
898
899 if (argc) {
900
901
902
903
904 if (argc > 1)
905 usage_with_options(report_usage, options);
906
907 report.symbol_filter_str = argv[0];
908 }
909
910 sort__setup_elide(stdout);
911
912 ret = __cmd_report(&report);
913 if (ret == K_SWITCH_INPUT_DATA) {
914 perf_session__delete(session);
915 goto repeat;
916 } else
917 ret = 0;
918
919error:
920 perf_session__delete(session);
921 return ret;
922}
923
