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irqchip: Fix dependencies for archs w/o HAS_IOMEM
[linux/fpc-iii.git] / tools / perf / builtin-report.c
blobd5a42ee12529b97fdcb2b0a74ece8bf2db701550
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 <subcmd/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
44 struct report {
45 struct perf_tool tool;
46 struct perf_session *session;
47 bool use_tui, use_gtk, use_stdio;
48 bool dont_use_callchains;
49 bool show_full_info;
50 bool show_threads;
51 bool inverted_callchain;
52 bool mem_mode;
53 bool header;
54 bool header_only;
55 bool nonany_branch_mode;
56 int max_stack;
57 struct perf_read_values show_threads_values;
58 const char *pretty_printing_style;
59 const char *cpu_list;
60 const char *symbol_filter_str;
61 float min_percent;
62 u64 nr_entries;
63 u64 queue_size;
64 int socket_filter;
65 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
66 };
67
68 static 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
92 static 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
133 out:
134 return err;
135 }
136
137 static 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 = symbol_conf.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 (symbol_conf.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 /*
167 * A non-synthesized event might not have a branch stack if
168 * branch stacks have been synthesized (using itrace options).
169 */
170 if (!sample->branch_stack)
171 goto out_put;
172 iter.ops = &hist_iter_branch;
173 } else if (rep->mem_mode) {
174 iter.ops = &hist_iter_mem;
175 } else if (symbol_conf.cumulate_callchain) {
176 iter.ops = &hist_iter_cumulative;
177 } else {
178 iter.ops = &hist_iter_normal;
179 }
180
181 if (al.map != NULL)
182 al.map->dso->hit = 1;
183
184 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
185 if (ret < 0)
186 pr_debug("problem adding hist entry, skipping event\n");
187 out_put:
188 addr_location__put(&al);
189 return ret;
190 }
191
192 static int process_read_event(struct perf_tool *tool,
193 union perf_event *event,
194 struct perf_sample *sample __maybe_unused,
195 struct perf_evsel *evsel,
196 struct machine *machine __maybe_unused)
197 {
198 struct report *rep = container_of(tool, struct report, tool);
199
200 if (rep->show_threads) {
201 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
202 perf_read_values_add_value(&rep->show_threads_values,
203 event->read.pid, event->read.tid,
204 event->read.id,
205 name,
206 event->read.value);
207 }
208
209 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
210 evsel ? perf_evsel__name(evsel) : "FAIL",
211 event->read.value);
212
213 return 0;
214 }
215
216 /* For pipe mode, sample_type is not currently set */
217 static int report__setup_sample_type(struct report *rep)
218 {
219 struct perf_session *session = rep->session;
220 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
221 bool is_pipe = perf_data_file__is_pipe(session->file);
222
223 if (session->itrace_synth_opts->callchain ||
224 (!is_pipe &&
225 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
226 !session->itrace_synth_opts->set))
227 sample_type |= PERF_SAMPLE_CALLCHAIN;
228
229 if (session->itrace_synth_opts->last_branch)
230 sample_type |= PERF_SAMPLE_BRANCH_STACK;
231
232 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
233 if (sort__has_parent) {
234 ui__error("Selected --sort parent, but no "
235 "callchain data. Did you call "
236 "'perf record' without -g?\n");
237 return -EINVAL;
238 }
239 if (symbol_conf.use_callchain) {
240 ui__error("Selected -g or --branch-history but no "
241 "callchain data. Did\n"
242 "you call 'perf record' without -g?\n");
243 return -1;
244 }
245 } else if (!rep->dont_use_callchains &&
246 callchain_param.mode != CHAIN_NONE &&
247 !symbol_conf.use_callchain) {
248 symbol_conf.use_callchain = true;
249 if (callchain_register_param(&callchain_param) < 0) {
250 ui__error("Can't register callchain params.\n");
251 return -EINVAL;
252 }
253 }
254
255 if (symbol_conf.cumulate_callchain) {
256 /* Silently ignore if callchain is missing */
257 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
258 symbol_conf.cumulate_callchain = false;
259 perf_hpp__cancel_cumulate();
260 }
261 }
262
263 if (sort__mode == SORT_MODE__BRANCH) {
264 if (!is_pipe &&
265 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
266 ui__error("Selected -b but no branch data. "
267 "Did you call perf record without -b?\n");
268 return -1;
269 }
270 }
271
272 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
273 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
274 (sample_type & PERF_SAMPLE_STACK_USER))
275 callchain_param.record_mode = CALLCHAIN_DWARF;
276 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
277 callchain_param.record_mode = CALLCHAIN_LBR;
278 else
279 callchain_param.record_mode = CALLCHAIN_FP;
280 }
281
282 /* ??? handle more cases than just ANY? */
283 if (!(perf_evlist__combined_branch_type(session->evlist) &
284 PERF_SAMPLE_BRANCH_ANY))
285 rep->nonany_branch_mode = true;
286
287 return 0;
288 }
289
290 static void sig_handler(int sig __maybe_unused)
291 {
292 session_done = 1;
293 }
294
295 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
296 const char *evname, FILE *fp)
297 {
298 size_t ret;
299 char unit;
300 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
301 u64 nr_events = hists->stats.total_period;
302 struct perf_evsel *evsel = hists_to_evsel(hists);
303 char buf[512];
304 size_t size = sizeof(buf);
305 int socked_id = hists->socket_filter;
306
307 if (symbol_conf.filter_relative) {
308 nr_samples = hists->stats.nr_non_filtered_samples;
309 nr_events = hists->stats.total_non_filtered_period;
310 }
311
312 if (perf_evsel__is_group_event(evsel)) {
313 struct perf_evsel *pos;
314
315 perf_evsel__group_desc(evsel, buf, size);
316 evname = buf;
317
318 for_each_group_member(pos, evsel) {
319 const struct hists *pos_hists = evsel__hists(pos);
320
321 if (symbol_conf.filter_relative) {
322 nr_samples += pos_hists->stats.nr_non_filtered_samples;
323 nr_events += pos_hists->stats.total_non_filtered_period;
324 } else {
325 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
326 nr_events += pos_hists->stats.total_period;
327 }
328 }
329 }
330
331 nr_samples = convert_unit(nr_samples, &unit);
332 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
333 if (evname != NULL)
334 ret += fprintf(fp, " of event '%s'", evname);
335
336 if (symbol_conf.show_ref_callgraph &&
337 strstr(evname, "call-graph=no")) {
338 ret += fprintf(fp, ", show reference callgraph");
339 }
340
341 if (rep->mem_mode) {
342 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
343 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
344 } else
345 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
346
347 if (socked_id > -1)
348 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
349
350 return ret + fprintf(fp, "\n#\n");
351 }
352
353 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
354 struct report *rep,
355 const char *help)
356 {
357 struct perf_evsel *pos;
358
359 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples);
360 evlist__for_each(evlist, pos) {
361 struct hists *hists = evsel__hists(pos);
362 const char *evname = perf_evsel__name(pos);
363
364 if (symbol_conf.event_group &&
365 !perf_evsel__is_group_leader(pos))
366 continue;
367
368 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
369 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
370 fprintf(stdout, "\n\n");
371 }
372
373 if (sort_order == NULL &&
374 parent_pattern == default_parent_pattern)
375 fprintf(stdout, "#\n# (%s)\n#\n", help);
376
377 if (rep->show_threads) {
378 bool style = !strcmp(rep->pretty_printing_style, "raw");
379 perf_read_values_display(stdout, &rep->show_threads_values,
380 style);
381 perf_read_values_destroy(&rep->show_threads_values);
382 }
383
384 return 0;
385 }
386
387 static void report__warn_kptr_restrict(const struct report *rep)
388 {
389 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
390 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
391
392 if (kernel_map == NULL ||
393 (kernel_map->dso->hit &&
394 (kernel_kmap->ref_reloc_sym == NULL ||
395 kernel_kmap->ref_reloc_sym->addr == 0))) {
396 const char *desc =
397 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
398 "can't be resolved.";
399
400 if (kernel_map) {
401 const struct dso *kdso = kernel_map->dso;
402 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
403 desc = "If some relocation was applied (e.g. "
404 "kexec) symbols may be misresolved.";
405 }
406 }
407
408 ui__warning(
409 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
410 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
411 "Samples in kernel modules can't be resolved as well.\n\n",
412 desc);
413 }
414 }
415
416 static int report__gtk_browse_hists(struct report *rep, const char *help)
417 {
418 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
419 struct hist_browser_timer *timer, float min_pcnt);
420
421 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
422
423 if (hist_browser == NULL) {
424 ui__error("GTK browser not found!\n");
425 return -1;
426 }
427
428 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
429 }
430
431 static int report__browse_hists(struct report *rep)
432 {
433 int ret;
434 struct perf_session *session = rep->session;
435 struct perf_evlist *evlist = session->evlist;
436 const char *help = perf_tip(TIPDIR);
437
438 switch (use_browser) {
439 case 1:
440 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
441 rep->min_percent,
442 &session->header.env);
443 /*
444 * Usually "ret" is the last pressed key, and we only
445 * care if the key notifies us to switch data file.
446 */
447 if (ret != K_SWITCH_INPUT_DATA)
448 ret = 0;
449 break;
450 case 2:
451 ret = report__gtk_browse_hists(rep, help);
452 break;
453 default:
454 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
455 break;
456 }
457
458 return ret;
459 }
460
461 static void report__collapse_hists(struct report *rep)
462 {
463 struct ui_progress prog;
464 struct perf_evsel *pos;
465
466 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
467
468 evlist__for_each(rep->session->evlist, pos) {
469 struct hists *hists = evsel__hists(pos);
470
471 if (pos->idx == 0)
472 hists->symbol_filter_str = rep->symbol_filter_str;
473
474 hists->socket_filter = rep->socket_filter;
475
476 hists__collapse_resort(hists, &prog);
477
478 /* Non-group events are considered as leader */
479 if (symbol_conf.event_group &&
480 !perf_evsel__is_group_leader(pos)) {
481 struct hists *leader_hists = evsel__hists(pos->leader);
482
483 hists__match(leader_hists, hists);
484 hists__link(leader_hists, hists);
485 }
486 }
487
488 ui_progress__finish();
489 }
490
491 static void report__output_resort(struct report *rep)
492 {
493 struct ui_progress prog;
494 struct perf_evsel *pos;
495
496 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
497
498 evlist__for_each(rep->session->evlist, pos)
499 hists__output_resort(evsel__hists(pos), &prog);
500
501 ui_progress__finish();
502 }
503
504 static int __cmd_report(struct report *rep)
505 {
506 int ret;
507 struct perf_session *session = rep->session;
508 struct perf_evsel *pos;
509 struct perf_data_file *file = session->file;
510
511 signal(SIGINT, sig_handler);
512
513 if (rep->cpu_list) {
514 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
515 rep->cpu_bitmap);
516 if (ret) {
517 ui__error("failed to set cpu bitmap\n");
518 return ret;
519 }
520 }
521
522 if (rep->show_threads)
523 perf_read_values_init(&rep->show_threads_values);
524
525 ret = report__setup_sample_type(rep);
526 if (ret) {
527 /* report__setup_sample_type() already showed error message */
528 return ret;
529 }
530
531 ret = perf_session__process_events(session);
532 if (ret) {
533 ui__error("failed to process sample\n");
534 return ret;
535 }
536
537 report__warn_kptr_restrict(rep);
538
539 evlist__for_each(session->evlist, pos)
540 rep->nr_entries += evsel__hists(pos)->nr_entries;
541
542 if (use_browser == 0) {
543 if (verbose > 3)
544 perf_session__fprintf(session, stdout);
545
546 if (verbose > 2)
547 perf_session__fprintf_dsos(session, stdout);
548
549 if (dump_trace) {
550 perf_session__fprintf_nr_events(session, stdout);
551 perf_evlist__fprintf_nr_events(session->evlist, stdout);
552 return 0;
553 }
554 }
555
556 report__collapse_hists(rep);
557
558 if (session_done())
559 return 0;
560
561 /*
562 * recalculate number of entries after collapsing since it
563 * might be changed during the collapse phase.
564 */
565 rep->nr_entries = 0;
566 evlist__for_each(session->evlist, pos)
567 rep->nr_entries += evsel__hists(pos)->nr_entries;
568
569 if (rep->nr_entries == 0) {
570 ui__error("The %s file has no samples!\n", file->path);
571 return 0;
572 }
573
574 report__output_resort(rep);
575
576 return report__browse_hists(rep);
577 }
578
579 static int
580 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
581 {
582 struct report *rep = (struct report *)opt->value;
583
584 /*
585 * --no-call-graph
586 */
587 if (unset) {
588 rep->dont_use_callchains = true;
589 return 0;
590 }
591
592 return parse_callchain_report_opt(arg);
593 }
594
595 int
596 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
597 const char *arg, int unset __maybe_unused)
598 {
599 if (arg) {
600 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
601 if (err) {
602 char buf[BUFSIZ];
603 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
604 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
605 return -1;
606 }
607 have_ignore_callees = 1;
608 }
609
610 return 0;
611 }
612
613 static int
614 parse_branch_mode(const struct option *opt __maybe_unused,
615 const char *str __maybe_unused, int unset)
616 {
617 int *branch_mode = opt->value;
618
619 *branch_mode = !unset;
620 return 0;
621 }
622
623 static int
624 parse_percent_limit(const struct option *opt, const char *str,
625 int unset __maybe_unused)
626 {
627 struct report *rep = opt->value;
628
629 rep->min_percent = strtof(str, NULL);
630 return 0;
631 }
632
633 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
634
635 const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
636 CALLCHAIN_REPORT_HELP
637 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
638
639 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
640 {
641 struct perf_session *session;
642 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
643 struct stat st;
644 bool has_br_stack = false;
645 int branch_mode = -1;
646 bool branch_call_mode = false;
647 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
648 const char * const report_usage[] = {
649 "perf report [<options>]",
650 NULL
651 };
652 struct report report = {
653 .tool = {
654 .sample = process_sample_event,
655 .mmap = perf_event__process_mmap,
656 .mmap2 = perf_event__process_mmap2,
657 .comm = perf_event__process_comm,
658 .exit = perf_event__process_exit,
659 .fork = perf_event__process_fork,
660 .lost = perf_event__process_lost,
661 .read = process_read_event,
662 .attr = perf_event__process_attr,
663 .tracing_data = perf_event__process_tracing_data,
664 .build_id = perf_event__process_build_id,
665 .id_index = perf_event__process_id_index,
666 .auxtrace_info = perf_event__process_auxtrace_info,
667 .auxtrace = perf_event__process_auxtrace,
668 .ordered_events = true,
669 .ordering_requires_timestamps = true,
670 },
671 .max_stack = PERF_MAX_STACK_DEPTH,
672 .pretty_printing_style = "normal",
673 .socket_filter = -1,
674 };
675 const struct option options[] = {
676 OPT_STRING('i', "input", &input_name, "file",
677 "input file name"),
678 OPT_INCR('v', "verbose", &verbose,
679 "be more verbose (show symbol address, etc)"),
680 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
681 "dump raw trace in ASCII"),
682 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
683 "file", "vmlinux pathname"),
684 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
685 "file", "kallsyms pathname"),
686 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
687 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
688 "load module symbols - WARNING: use only with -k and LIVE kernel"),
689 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
690 "Show a column with the number of samples"),
691 OPT_BOOLEAN('T', "threads", &report.show_threads,
692 "Show per-thread event counters"),
693 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
694 "pretty printing style key: normal raw"),
695 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
696 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
697 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
698 "Use the stdio interface"),
699 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
700 OPT_BOOLEAN(0, "header-only", &report.header_only,
701 "Show only data header."),
702 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
703 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
704 " Please refer the man page for the complete list."),
705 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
706 "output field(s): overhead, period, sample plus all of sort keys"),
707 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
708 "Show sample percentage for different cpu modes"),
709 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
710 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
711 OPT_STRING('p', "parent", &parent_pattern, "regex",
712 "regex filter to identify parent, see: '--sort parent'"),
713 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
714 "Only display entries with parent-match"),
715 OPT_CALLBACK_DEFAULT('g', "call-graph", &report,
716 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
717 report_callchain_help, &report_parse_callchain_opt,
718 callchain_default_opt),
719 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
720 "Accumulate callchains of children and show total overhead as well"),
721 OPT_INTEGER(0, "max-stack", &report.max_stack,
722 "Set the maximum stack depth when parsing the callchain, "
723 "anything beyond the specified depth will be ignored. "
724 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
725 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
726 "alias for inverted call graph"),
727 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
728 "ignore callees of these functions in call graphs",
729 report_parse_ignore_callees_opt),
730 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
731 "only consider symbols in these dsos"),
732 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
733 "only consider symbols in these comms"),
734 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
735 "only consider symbols in these pids"),
736 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
737 "only consider symbols in these tids"),
738 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
739 "only consider these symbols"),
740 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
741 "only show symbols that (partially) match with this filter"),
742 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
743 "width[,width...]",
744 "don't try to adjust column width, use these fixed values"),
745 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
746 "separator for columns, no spaces will be added between "
747 "columns '.' is reserved."),
748 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
749 "Only display entries resolved to a symbol"),
750 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
751 "Look for files with symbols relative to this directory"),
752 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
753 "list of cpus to profile"),
754 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
755 "Display extended information about perf.data file"),
756 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
757 "Interleave source code with assembly code (default)"),
758 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
759 "Display raw encoding of assembly instructions (default)"),
760 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
761 "Specify disassembler style (e.g. -M intel for intel syntax)"),
762 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
763 "Show a column with the sum of periods"),
764 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
765 "Show event group information together"),
766 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
767 "use branch records for per branch histogram filling",
768 parse_branch_mode),
769 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
770 "add last branch records to call history"),
771 OPT_STRING(0, "objdump", &objdump_path, "path",
772 "objdump binary to use for disassembly and annotations"),
773 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
774 "Disable symbol demangling"),
775 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
776 "Enable kernel symbol demangling"),
777 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
778 OPT_CALLBACK(0, "percent-limit", &report, "percent",
779 "Don't show entries under that percent", parse_percent_limit),
780 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
781 "how to display percentage of filtered entries", parse_filter_percentage),
782 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
783 "Instruction Tracing options",
784 itrace_parse_synth_opts),
785 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
786 "Show full source file name path for source lines"),
787 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
788 "Show callgraph from reference event"),
789 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
790 "only show processor socket that match with this filter"),
791 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
792 "Show raw trace event output (do not use print fmt or plugins)"),
793 OPT_END()
794 };
795 struct perf_data_file file = {
796 .mode = PERF_DATA_MODE_READ,
797 };
798 int ret = hists__init();
799
800 if (ret < 0)
801 return ret;
802
803 perf_config(report__config, &report);
804
805 argc = parse_options(argc, argv, options, report_usage, 0);
806 if (argc) {
807 /*
808 * Special case: if there's an argument left then assume that
809 * it's a symbol filter:
810 */
811 if (argc > 1)
812 usage_with_options(report_usage, options);
813
814 report.symbol_filter_str = argv[0];
815 }
816
817 if (symbol_conf.vmlinux_name &&
818 access(symbol_conf.vmlinux_name, R_OK)) {
819 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
820 return -EINVAL;
821 }
822 if (symbol_conf.kallsyms_name &&
823 access(symbol_conf.kallsyms_name, R_OK)) {
824 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
825 return -EINVAL;
826 }
827
828 if (report.use_stdio)
829 use_browser = 0;
830 else if (report.use_tui)
831 use_browser = 1;
832 else if (report.use_gtk)
833 use_browser = 2;
834
835 if (report.inverted_callchain)
836 callchain_param.order = ORDER_CALLER;
837 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
838 callchain_param.order = ORDER_CALLER;
839
840 if (itrace_synth_opts.callchain &&
841 (int)itrace_synth_opts.callchain_sz > report.max_stack)
842 report.max_stack = itrace_synth_opts.callchain_sz;
843
844 if (!input_name || !strlen(input_name)) {
845 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
846 input_name = "-";
847 else
848 input_name = "perf.data";
849 }
850
851 file.path = input_name;
852 file.force = symbol_conf.force;
853
854 repeat:
855 session = perf_session__new(&file, false, &report.tool);
856 if (session == NULL)
857 return -1;
858
859 if (report.queue_size) {
860 ordered_events__set_alloc_size(&session->ordered_events,
861 report.queue_size);
862 }
863
864 session->itrace_synth_opts = &itrace_synth_opts;
865
866 report.session = session;
867
868 has_br_stack = perf_header__has_feat(&session->header,
869 HEADER_BRANCH_STACK);
870
871 if (itrace_synth_opts.last_branch)
872 has_br_stack = true;
873
874 /*
875 * Branch mode is a tristate:
876 * -1 means default, so decide based on the file having branch data.
877 * 0/1 means the user chose a mode.
878 */
879 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
880 !branch_call_mode) {
881 sort__mode = SORT_MODE__BRANCH;
882 symbol_conf.cumulate_callchain = false;
883 }
884 if (branch_call_mode) {
885 callchain_param.key = CCKEY_ADDRESS;
886 callchain_param.branch_callstack = 1;
887 symbol_conf.use_callchain = true;
888 callchain_register_param(&callchain_param);
889 if (sort_order == NULL)
890 sort_order = "srcline,symbol,dso";
891 }
892
893 if (report.mem_mode) {
894 if (sort__mode == SORT_MODE__BRANCH) {
895 pr_err("branch and mem mode incompatible\n");
896 goto error;
897 }
898 sort__mode = SORT_MODE__MEMORY;
899 symbol_conf.cumulate_callchain = false;
900 }
901
902 if (setup_sorting(session->evlist) < 0) {
903 if (sort_order)
904 parse_options_usage(report_usage, options, "s", 1);
905 if (field_order)
906 parse_options_usage(sort_order ? NULL : report_usage,
907 options, "F", 1);
908 goto error;
909 }
910
911 /* Force tty output for header output and per-thread stat. */
912 if (report.header || report.header_only || report.show_threads)
913 use_browser = 0;
914
915 if (strcmp(input_name, "-") != 0)
916 setup_browser(true);
917 else
918 use_browser = 0;
919
920 if (report.header || report.header_only) {
921 perf_session__fprintf_info(session, stdout,
922 report.show_full_info);
923 if (report.header_only) {
924 ret = 0;
925 goto error;
926 }
927 } else if (use_browser == 0) {
928 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
929 stdout);
930 }
931
932 /*
933 * Only in the TUI browser we are doing integrated annotation,
934 * so don't allocate extra space that won't be used in the stdio
935 * implementation.
936 */
937 if (ui__has_annotation()) {
938 symbol_conf.priv_size = sizeof(struct annotation);
939 machines__set_symbol_filter(&session->machines,
940 symbol__annotate_init);
941 /*
942 * For searching by name on the "Browse map details".
943 * providing it only in verbose mode not to bloat too
944 * much struct symbol.
945 */
946 if (verbose) {
947 /*
948 * XXX: Need to provide a less kludgy way to ask for
949 * more space per symbol, the u32 is for the index on
950 * the ui browser.
951 * See symbol__browser_index.
952 */
953 symbol_conf.priv_size += sizeof(u32);
954 symbol_conf.sort_by_name = true;
955 }
956 }
957
958 if (symbol__init(&session->header.env) < 0)
959 goto error;
960
961 sort__setup_elide(stdout);
962
963 ret = __cmd_report(&report);
964 if (ret == K_SWITCH_INPUT_DATA) {
965 perf_session__delete(session);
966 goto repeat;
967 } else
968 ret = 0;
969
970 error:
971 perf_session__delete(session);
972 return ret;
973 }
Linux with added FPC-III support