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.
10 #include "util/util.h"
11 #include "util/cache.h"
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"
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"
30 #include <subcmd/parse-options.h>
31 #include "util/parse-events.h"
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"
39 #include "util/auxtrace.h"
42 #include <linux/bitmap.h>
45 struct perf_tool tool;
46 struct perf_session *session;
47 bool use_tui, use_gtk, use_stdio;
48 bool dont_use_callchains;
51 bool inverted_callchain;
55 bool nonany_branch_mode;
57 struct perf_read_values show_threads_values;
58 const char *pretty_printing_style;
60 const char *symbol_filter_str;
65 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
68 static int report__config(const char *var, const char *value, void *cb)
70 struct report *rep = cb;
72 if (!strcmp(var, "report.group")) {
73 symbol_conf.event_group = perf_config_bool(var, value);
76 if (!strcmp(var, "report.percent-limit")) {
77 rep->min_percent = strtof(value, NULL);
80 if (!strcmp(var, "report.children")) {
81 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
84 if (!strcmp(var, "report.queue-size")) {
85 rep->queue_size = perf_config_u64(var, value);
89 return perf_default_config(var, value, cb);
92 static int hist_iter__report_callback(struct hist_entry_iter *iter,
93 struct addr_location *al, bool single,
97 struct report *rep = arg;
98 struct hist_entry *he = iter->he;
99 struct perf_evsel *evsel = iter->evsel;
101 struct branch_info *bi;
103 if (!ui__has_annotation())
106 hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
107 rep->nonany_branch_mode);
109 if (sort__mode == SORT_MODE__BRANCH) {
110 bi = he->branch_info;
111 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
115 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
117 } else if (rep->mem_mode) {
119 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
123 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
125 } else if (symbol_conf.cumulate_callchain) {
127 err = hist_entry__inc_addr_samples(he, evsel->idx,
130 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
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)
143 struct report *rep = container_of(tool, struct report, tool);
144 struct addr_location al;
145 struct hist_entry_iter iter = {
148 .hide_unresolved = symbol_conf.hide_unresolved,
149 .add_entry_cb = hist_iter__report_callback,
153 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
154 pr_debug("problem processing %d event, skipping it.\n",
159 if (symbol_conf.hide_unresolved && al.sym == NULL)
162 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
165 if (sort__mode == SORT_MODE__BRANCH) {
167 * A non-synthesized event might not have a branch stack if
168 * branch stacks have been synthesized (using itrace options).
170 if (!sample->branch_stack)
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;
178 iter.ops = &hist_iter_normal;
182 al.map->dso->hit = 1;
184 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
186 pr_debug("problem adding hist entry, skipping event\n");
188 addr_location__put(&al);
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)
198 struct report *rep = container_of(tool, struct report, tool);
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,
209 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
210 evsel ? perf_evsel__name(evsel) : "FAIL",
216 /* For pipe mode, sample_type is not currently set */
217 static int report__setup_sample_type(struct report *rep)
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);
223 if (session->itrace_synth_opts->callchain ||
225 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
226 !session->itrace_synth_opts->set))
227 sample_type |= PERF_SAMPLE_CALLCHAIN;
229 if (session->itrace_synth_opts->last_branch)
230 sample_type |= PERF_SAMPLE_BRANCH_STACK;
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");
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");
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");
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();
263 if (sort__mode == SORT_MODE__BRANCH) {
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");
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;
279 callchain_param.record_mode = CALLCHAIN_FP;
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;
290 static void sig_handler(int sig __maybe_unused)
295 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
296 const char *evname, FILE *fp)
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);
304 size_t size = sizeof(buf);
305 int socked_id = hists->socket_filter;
307 if (symbol_conf.filter_relative) {
308 nr_samples = hists->stats.nr_non_filtered_samples;
309 nr_events = hists->stats.total_non_filtered_period;
312 if (perf_evsel__is_group_event(evsel)) {
313 struct perf_evsel *pos;
315 perf_evsel__group_desc(evsel, buf, size);
318 for_each_group_member(pos, evsel) {
319 const struct hists *pos_hists = evsel__hists(pos);
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;
325 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
326 nr_events += pos_hists->stats.total_period;
331 nr_samples = convert_unit(nr_samples, &unit);
332 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
334 ret += fprintf(fp, " of event '%s'", evname);
336 if (symbol_conf.show_ref_callgraph &&
337 strstr(evname, "call-graph=no")) {
338 ret += fprintf(fp, ", show reference callgraph");
342 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
343 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
345 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
348 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
350 return ret + fprintf(fp, "\n#\n");
353 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
357 struct perf_evsel *pos;
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);
364 if (symbol_conf.event_group &&
365 !perf_evsel__is_group_leader(pos))
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");
373 if (sort_order == NULL &&
374 parent_pattern == default_parent_pattern)
375 fprintf(stdout, "#\n# (%s)\n#\n", help);
377 if (rep->show_threads) {
378 bool style = !strcmp(rep->pretty_printing_style, "raw");
379 perf_read_values_display(stdout, &rep->show_threads_values,
381 perf_read_values_destroy(&rep->show_threads_values);
387 static void report__warn_kptr_restrict(const struct report *rep)
389 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
390 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
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))) {
397 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
398 "can't be resolved.";
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.";
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",
416 static int report__gtk_browse_hists(struct report *rep, const char *help)
418 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
419 struct hist_browser_timer *timer, float min_pcnt);
421 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
423 if (hist_browser == NULL) {
424 ui__error("GTK browser not found!\n");
428 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
431 static int report__browse_hists(struct report *rep)
434 struct perf_session *session = rep->session;
435 struct perf_evlist *evlist = session->evlist;
436 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
438 switch (use_browser) {
440 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
442 &session->header.env);
444 * Usually "ret" is the last pressed key, and we only
445 * care if the key notifies us to switch data file.
447 if (ret != K_SWITCH_INPUT_DATA)
451 ret = report__gtk_browse_hists(rep, help);
454 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
461 static void report__collapse_hists(struct report *rep)
463 struct ui_progress prog;
464 struct perf_evsel *pos;
466 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
468 evlist__for_each(rep->session->evlist, pos) {
469 struct hists *hists = evsel__hists(pos);
472 hists->symbol_filter_str = rep->symbol_filter_str;
474 hists->socket_filter = rep->socket_filter;
476 hists__collapse_resort(hists, &prog);
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);
483 hists__match(leader_hists, hists);
484 hists__link(leader_hists, hists);
488 ui_progress__finish();
491 static void report__output_resort(struct report *rep)
493 struct ui_progress prog;
494 struct perf_evsel *pos;
496 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
498 evlist__for_each(rep->session->evlist, pos)
499 hists__output_resort(evsel__hists(pos), &prog);
501 ui_progress__finish();
504 static int __cmd_report(struct report *rep)
507 struct perf_session *session = rep->session;
508 struct perf_evsel *pos;
509 struct perf_data_file *file = session->file;
511 signal(SIGINT, sig_handler);
514 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
517 ui__error("failed to set cpu bitmap\n");
522 if (rep->show_threads)
523 perf_read_values_init(&rep->show_threads_values);
525 ret = report__setup_sample_type(rep);
527 /* report__setup_sample_type() already showed error message */
531 ret = perf_session__process_events(session);
533 ui__error("failed to process sample\n");
537 report__warn_kptr_restrict(rep);
539 evlist__for_each(session->evlist, pos)
540 rep->nr_entries += evsel__hists(pos)->nr_entries;
542 if (use_browser == 0) {
544 perf_session__fprintf(session, stdout);
547 perf_session__fprintf_dsos(session, stdout);
550 perf_session__fprintf_nr_events(session, stdout);
551 perf_evlist__fprintf_nr_events(session->evlist, stdout);
556 report__collapse_hists(rep);
562 * recalculate number of entries after collapsing since it
563 * might be changed during the collapse phase.
566 evlist__for_each(session->evlist, pos)
567 rep->nr_entries += evsel__hists(pos)->nr_entries;
569 if (rep->nr_entries == 0) {
570 ui__error("The %s file has no samples!\n", file->path);
574 report__output_resort(rep);
576 return report__browse_hists(rep);
580 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
582 struct report *rep = (struct report *)opt->value;
588 rep->dont_use_callchains = true;
592 return parse_callchain_report_opt(arg);
596 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
597 const char *arg, int unset __maybe_unused)
600 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
603 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
604 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
607 have_ignore_callees = 1;
614 parse_branch_mode(const struct option *opt __maybe_unused,
615 const char *str __maybe_unused, int unset)
617 int *branch_mode = opt->value;
619 *branch_mode = !unset;
624 parse_percent_limit(const struct option *opt, const char *str,
625 int unset __maybe_unused)
627 struct report *rep = opt->value;
629 rep->min_percent = strtof(str, NULL);
633 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
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;
639 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
641 struct perf_session *session;
642 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
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>]",
652 struct report report = {
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,
671 .max_stack = PERF_MAX_STACK_DEPTH,
672 .pretty_printing_style = "normal",
675 const struct option options[] = {
676 OPT_STRING('i', "input", &input_name, "file",
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,
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",
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"),
793 struct perf_data_file file = {
794 .mode = PERF_DATA_MODE_READ,
796 int ret = hists__init();
801 perf_config(report__config, &report);
803 argc = parse_options(argc, argv, options, report_usage, 0);
806 * Special case: if there's an argument left then assume that
807 * it's a symbol filter:
810 usage_with_options(report_usage, options);
812 report.symbol_filter_str = argv[0];
815 if (symbol_conf.vmlinux_name &&
816 access(symbol_conf.vmlinux_name, R_OK)) {
817 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
820 if (symbol_conf.kallsyms_name &&
821 access(symbol_conf.kallsyms_name, R_OK)) {
822 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
826 if (report.use_stdio)
828 else if (report.use_tui)
830 else if (report.use_gtk)
833 if (report.inverted_callchain)
834 callchain_param.order = ORDER_CALLER;
835 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
836 callchain_param.order = ORDER_CALLER;
838 if (itrace_synth_opts.callchain &&
839 (int)itrace_synth_opts.callchain_sz > report.max_stack)
840 report.max_stack = itrace_synth_opts.callchain_sz;
842 if (!input_name || !strlen(input_name)) {
843 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
846 input_name = "perf.data";
849 file.path = input_name;
850 file.force = symbol_conf.force;
853 session = perf_session__new(&file, false, &report.tool);
857 if (report.queue_size) {
858 ordered_events__set_alloc_size(&session->ordered_events,
862 session->itrace_synth_opts = &itrace_synth_opts;
864 report.session = session;
866 has_br_stack = perf_header__has_feat(&session->header,
867 HEADER_BRANCH_STACK);
869 if (itrace_synth_opts.last_branch)
873 * Branch mode is a tristate:
874 * -1 means default, so decide based on the file having branch data.
875 * 0/1 means the user chose a mode.
877 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
879 sort__mode = SORT_MODE__BRANCH;
880 symbol_conf.cumulate_callchain = false;
882 if (branch_call_mode) {
883 callchain_param.key = CCKEY_ADDRESS;
884 callchain_param.branch_callstack = 1;
885 symbol_conf.use_callchain = true;
886 callchain_register_param(&callchain_param);
887 if (sort_order == NULL)
888 sort_order = "srcline,symbol,dso";
891 if (report.mem_mode) {
892 if (sort__mode == SORT_MODE__BRANCH) {
893 pr_err("branch and mem mode incompatible\n");
896 sort__mode = SORT_MODE__MEMORY;
897 symbol_conf.cumulate_callchain = false;
900 if (setup_sorting() < 0) {
902 parse_options_usage(report_usage, options, "s", 1);
904 parse_options_usage(sort_order ? NULL : report_usage,
909 /* Force tty output for header output and per-thread stat. */
910 if (report.header || report.header_only || report.show_threads)
913 if (strcmp(input_name, "-") != 0)
918 if (report.header || report.header_only) {
919 perf_session__fprintf_info(session, stdout,
920 report.show_full_info);
921 if (report.header_only) {
925 } else if (use_browser == 0) {
926 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
931 * Only in the TUI browser we are doing integrated annotation,
932 * so don't allocate extra space that won't be used in the stdio
935 if (ui__has_annotation()) {
936 symbol_conf.priv_size = sizeof(struct annotation);
937 machines__set_symbol_filter(&session->machines,
938 symbol__annotate_init);
940 * For searching by name on the "Browse map details".
941 * providing it only in verbose mode not to bloat too
942 * much struct symbol.
946 * XXX: Need to provide a less kludgy way to ask for
947 * more space per symbol, the u32 is for the index on
949 * See symbol__browser_index.
951 symbol_conf.priv_size += sizeof(u32);
952 symbol_conf.sort_by_name = true;
956 if (symbol__init(&session->header.env) < 0)
959 sort__setup_elide(stdout);
961 ret = __cmd_report(&report);
962 if (ret == K_SWITCH_INPUT_DATA) {
963 perf_session__delete(session);
969 perf_session__delete(session);