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 <subcmd/exec-cmd.h>
32 #include "util/parse-events.h"
34 #include "util/thread.h"
35 #include "util/sort.h"
36 #include "util/hist.h"
37 #include "util/data.h"
38 #include "arch/common.h"
40 #include "util/auxtrace.h"
43 #include <linux/bitmap.h>
46 struct perf_tool tool;
47 struct perf_session *session;
48 bool use_tui, use_gtk, use_stdio;
49 bool dont_use_callchains;
52 bool inverted_callchain;
56 bool nonany_branch_mode;
58 struct perf_read_values show_threads_values;
59 const char *pretty_printing_style;
61 const char *symbol_filter_str;
66 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
69 static int report__config(const char *var, const char *value, void *cb)
71 struct report *rep = cb;
73 if (!strcmp(var, "report.group")) {
74 symbol_conf.event_group = perf_config_bool(var, value);
77 if (!strcmp(var, "report.percent-limit")) {
78 double pcnt = strtof(value, NULL);
80 rep->min_percent = pcnt;
81 callchain_param.min_percent = pcnt;
84 if (!strcmp(var, "report.children")) {
85 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
88 if (!strcmp(var, "report.queue-size")) {
89 rep->queue_size = perf_config_u64(var, value);
93 return perf_default_config(var, value, cb);
96 static int hist_iter__report_callback(struct hist_entry_iter *iter,
97 struct addr_location *al, bool single,
101 struct report *rep = arg;
102 struct hist_entry *he = iter->he;
103 struct perf_evsel *evsel = iter->evsel;
105 struct branch_info *bi;
107 if (!ui__has_annotation())
110 hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
111 rep->nonany_branch_mode);
113 if (sort__mode == SORT_MODE__BRANCH) {
114 bi = he->branch_info;
115 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
119 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
121 } else if (rep->mem_mode) {
123 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
127 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
129 } else if (symbol_conf.cumulate_callchain) {
131 err = hist_entry__inc_addr_samples(he, evsel->idx,
134 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
141 static int process_sample_event(struct perf_tool *tool,
142 union perf_event *event,
143 struct perf_sample *sample,
144 struct perf_evsel *evsel,
145 struct machine *machine)
147 struct report *rep = container_of(tool, struct report, tool);
148 struct addr_location al;
149 struct hist_entry_iter iter = {
152 .hide_unresolved = symbol_conf.hide_unresolved,
153 .add_entry_cb = hist_iter__report_callback,
157 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
158 pr_debug("problem processing %d event, skipping it.\n",
163 if (symbol_conf.hide_unresolved && al.sym == NULL)
166 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
169 if (sort__mode == SORT_MODE__BRANCH) {
171 * A non-synthesized event might not have a branch stack if
172 * branch stacks have been synthesized (using itrace options).
174 if (!sample->branch_stack)
176 iter.ops = &hist_iter_branch;
177 } else if (rep->mem_mode) {
178 iter.ops = &hist_iter_mem;
179 } else if (symbol_conf.cumulate_callchain) {
180 iter.ops = &hist_iter_cumulative;
182 iter.ops = &hist_iter_normal;
186 al.map->dso->hit = 1;
188 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
190 pr_debug("problem adding hist entry, skipping event\n");
192 addr_location__put(&al);
196 static int process_read_event(struct perf_tool *tool,
197 union perf_event *event,
198 struct perf_sample *sample __maybe_unused,
199 struct perf_evsel *evsel,
200 struct machine *machine __maybe_unused)
202 struct report *rep = container_of(tool, struct report, tool);
204 if (rep->show_threads) {
205 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
206 perf_read_values_add_value(&rep->show_threads_values,
207 event->read.pid, event->read.tid,
213 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
214 evsel ? perf_evsel__name(evsel) : "FAIL",
220 /* For pipe mode, sample_type is not currently set */
221 static int report__setup_sample_type(struct report *rep)
223 struct perf_session *session = rep->session;
224 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
225 bool is_pipe = perf_data_file__is_pipe(session->file);
227 if (session->itrace_synth_opts->callchain ||
229 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
230 !session->itrace_synth_opts->set))
231 sample_type |= PERF_SAMPLE_CALLCHAIN;
233 if (session->itrace_synth_opts->last_branch)
234 sample_type |= PERF_SAMPLE_BRANCH_STACK;
236 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
237 if (sort__has_parent) {
238 ui__error("Selected --sort parent, but no "
239 "callchain data. Did you call "
240 "'perf record' without -g?\n");
243 if (symbol_conf.use_callchain) {
244 ui__error("Selected -g or --branch-history but no "
245 "callchain data. Did\n"
246 "you call 'perf record' without -g?\n");
249 } else if (!rep->dont_use_callchains &&
250 callchain_param.mode != CHAIN_NONE &&
251 !symbol_conf.use_callchain) {
252 symbol_conf.use_callchain = true;
253 if (callchain_register_param(&callchain_param) < 0) {
254 ui__error("Can't register callchain params.\n");
259 if (symbol_conf.cumulate_callchain) {
260 /* Silently ignore if callchain is missing */
261 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
262 symbol_conf.cumulate_callchain = false;
263 perf_hpp__cancel_cumulate();
267 if (sort__mode == SORT_MODE__BRANCH) {
269 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
270 ui__error("Selected -b but no branch data. "
271 "Did you call perf record without -b?\n");
276 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
277 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
278 (sample_type & PERF_SAMPLE_STACK_USER))
279 callchain_param.record_mode = CALLCHAIN_DWARF;
280 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
281 callchain_param.record_mode = CALLCHAIN_LBR;
283 callchain_param.record_mode = CALLCHAIN_FP;
286 /* ??? handle more cases than just ANY? */
287 if (!(perf_evlist__combined_branch_type(session->evlist) &
288 PERF_SAMPLE_BRANCH_ANY))
289 rep->nonany_branch_mode = true;
294 static void sig_handler(int sig __maybe_unused)
299 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
300 const char *evname, FILE *fp)
304 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
305 u64 nr_events = hists->stats.total_period;
306 struct perf_evsel *evsel = hists_to_evsel(hists);
308 size_t size = sizeof(buf);
309 int socked_id = hists->socket_filter;
311 if (symbol_conf.filter_relative) {
312 nr_samples = hists->stats.nr_non_filtered_samples;
313 nr_events = hists->stats.total_non_filtered_period;
316 if (perf_evsel__is_group_event(evsel)) {
317 struct perf_evsel *pos;
319 perf_evsel__group_desc(evsel, buf, size);
322 for_each_group_member(pos, evsel) {
323 const struct hists *pos_hists = evsel__hists(pos);
325 if (symbol_conf.filter_relative) {
326 nr_samples += pos_hists->stats.nr_non_filtered_samples;
327 nr_events += pos_hists->stats.total_non_filtered_period;
329 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
330 nr_events += pos_hists->stats.total_period;
335 nr_samples = convert_unit(nr_samples, &unit);
336 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
338 ret += fprintf(fp, " of event '%s'", evname);
340 if (symbol_conf.show_ref_callgraph &&
341 strstr(evname, "call-graph=no")) {
342 ret += fprintf(fp, ", show reference callgraph");
346 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
347 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
349 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
352 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
354 return ret + fprintf(fp, "\n#\n");
357 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
361 struct perf_evsel *pos;
363 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples);
364 evlist__for_each(evlist, pos) {
365 struct hists *hists = evsel__hists(pos);
366 const char *evname = perf_evsel__name(pos);
368 if (symbol_conf.event_group &&
369 !perf_evsel__is_group_leader(pos))
372 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
373 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
374 fprintf(stdout, "\n\n");
377 if (sort_order == NULL &&
378 parent_pattern == default_parent_pattern)
379 fprintf(stdout, "#\n# (%s)\n#\n", help);
381 if (rep->show_threads) {
382 bool style = !strcmp(rep->pretty_printing_style, "raw");
383 perf_read_values_display(stdout, &rep->show_threads_values,
385 perf_read_values_destroy(&rep->show_threads_values);
391 static void report__warn_kptr_restrict(const struct report *rep)
393 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
394 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
396 if (kernel_map == NULL ||
397 (kernel_map->dso->hit &&
398 (kernel_kmap->ref_reloc_sym == NULL ||
399 kernel_kmap->ref_reloc_sym->addr == 0))) {
401 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
402 "can't be resolved.";
405 const struct dso *kdso = kernel_map->dso;
406 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
407 desc = "If some relocation was applied (e.g. "
408 "kexec) symbols may be misresolved.";
413 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
414 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
415 "Samples in kernel modules can't be resolved as well.\n\n",
420 static int report__gtk_browse_hists(struct report *rep, const char *help)
422 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
423 struct hist_browser_timer *timer, float min_pcnt);
425 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
427 if (hist_browser == NULL) {
428 ui__error("GTK browser not found!\n");
432 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
435 static int report__browse_hists(struct report *rep)
438 struct perf_session *session = rep->session;
439 struct perf_evlist *evlist = session->evlist;
440 const char *help = perf_tip(system_path(TIPDIR));
443 /* fallback for people who don't install perf ;-) */
444 help = perf_tip(DOCDIR);
446 help = "Cannot load tips.txt file, please install perf!";
449 switch (use_browser) {
451 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
453 &session->header.env);
455 * Usually "ret" is the last pressed key, and we only
456 * care if the key notifies us to switch data file.
458 if (ret != K_SWITCH_INPUT_DATA)
462 ret = report__gtk_browse_hists(rep, help);
465 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
472 static void report__collapse_hists(struct report *rep)
474 struct ui_progress prog;
475 struct perf_evsel *pos;
477 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
479 evlist__for_each(rep->session->evlist, pos) {
480 struct hists *hists = evsel__hists(pos);
483 hists->symbol_filter_str = rep->symbol_filter_str;
485 hists->socket_filter = rep->socket_filter;
487 hists__collapse_resort(hists, &prog);
489 /* Non-group events are considered as leader */
490 if (symbol_conf.event_group &&
491 !perf_evsel__is_group_leader(pos)) {
492 struct hists *leader_hists = evsel__hists(pos->leader);
494 hists__match(leader_hists, hists);
495 hists__link(leader_hists, hists);
499 ui_progress__finish();
502 static void report__output_resort(struct report *rep)
504 struct ui_progress prog;
505 struct perf_evsel *pos;
507 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
509 evlist__for_each(rep->session->evlist, pos)
510 hists__output_resort(evsel__hists(pos), &prog);
512 ui_progress__finish();
515 static int __cmd_report(struct report *rep)
518 struct perf_session *session = rep->session;
519 struct perf_evsel *pos;
520 struct perf_data_file *file = session->file;
522 signal(SIGINT, sig_handler);
525 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
528 ui__error("failed to set cpu bitmap\n");
533 if (rep->show_threads)
534 perf_read_values_init(&rep->show_threads_values);
536 ret = report__setup_sample_type(rep);
538 /* report__setup_sample_type() already showed error message */
542 ret = perf_session__process_events(session);
544 ui__error("failed to process sample\n");
548 report__warn_kptr_restrict(rep);
550 evlist__for_each(session->evlist, pos)
551 rep->nr_entries += evsel__hists(pos)->nr_entries;
553 if (use_browser == 0) {
555 perf_session__fprintf(session, stdout);
558 perf_session__fprintf_dsos(session, stdout);
561 perf_session__fprintf_nr_events(session, stdout);
562 perf_evlist__fprintf_nr_events(session->evlist, stdout);
567 report__collapse_hists(rep);
573 * recalculate number of entries after collapsing since it
574 * might be changed during the collapse phase.
577 evlist__for_each(session->evlist, pos)
578 rep->nr_entries += evsel__hists(pos)->nr_entries;
580 if (rep->nr_entries == 0) {
581 ui__error("The %s file has no samples!\n", file->path);
585 report__output_resort(rep);
587 return report__browse_hists(rep);
591 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
593 struct report *rep = (struct report *)opt->value;
599 rep->dont_use_callchains = true;
603 return parse_callchain_report_opt(arg);
607 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
608 const char *arg, int unset __maybe_unused)
611 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
614 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
615 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
618 have_ignore_callees = 1;
625 parse_branch_mode(const struct option *opt __maybe_unused,
626 const char *str __maybe_unused, int unset)
628 int *branch_mode = opt->value;
630 *branch_mode = !unset;
635 parse_percent_limit(const struct option *opt, const char *str,
636 int unset __maybe_unused)
638 struct report *rep = opt->value;
639 double pcnt = strtof(str, NULL);
641 rep->min_percent = pcnt;
642 callchain_param.min_percent = pcnt;
646 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
648 const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
649 CALLCHAIN_REPORT_HELP
650 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
652 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
654 struct perf_session *session;
655 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
657 bool has_br_stack = false;
658 int branch_mode = -1;
659 bool branch_call_mode = false;
660 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
661 const char * const report_usage[] = {
662 "perf report [<options>]",
665 struct report report = {
667 .sample = process_sample_event,
668 .mmap = perf_event__process_mmap,
669 .mmap2 = perf_event__process_mmap2,
670 .comm = perf_event__process_comm,
671 .exit = perf_event__process_exit,
672 .fork = perf_event__process_fork,
673 .lost = perf_event__process_lost,
674 .read = process_read_event,
675 .attr = perf_event__process_attr,
676 .tracing_data = perf_event__process_tracing_data,
677 .build_id = perf_event__process_build_id,
678 .id_index = perf_event__process_id_index,
679 .auxtrace_info = perf_event__process_auxtrace_info,
680 .auxtrace = perf_event__process_auxtrace,
681 .ordered_events = true,
682 .ordering_requires_timestamps = true,
684 .max_stack = PERF_MAX_STACK_DEPTH,
685 .pretty_printing_style = "normal",
688 const struct option options[] = {
689 OPT_STRING('i', "input", &input_name, "file",
691 OPT_INCR('v', "verbose", &verbose,
692 "be more verbose (show symbol address, etc)"),
693 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
694 "dump raw trace in ASCII"),
695 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
696 "file", "vmlinux pathname"),
697 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
698 "file", "kallsyms pathname"),
699 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
700 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
701 "load module symbols - WARNING: use only with -k and LIVE kernel"),
702 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
703 "Show a column with the number of samples"),
704 OPT_BOOLEAN('T', "threads", &report.show_threads,
705 "Show per-thread event counters"),
706 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
707 "pretty printing style key: normal raw"),
708 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
709 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
710 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
711 "Use the stdio interface"),
712 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
713 OPT_BOOLEAN(0, "header-only", &report.header_only,
714 "Show only data header."),
715 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
716 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
717 " Please refer the man page for the complete list."),
718 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
719 "output field(s): overhead, period, sample plus all of sort keys"),
720 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
721 "Show sample percentage for different cpu modes"),
722 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
723 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
724 OPT_STRING('p', "parent", &parent_pattern, "regex",
725 "regex filter to identify parent, see: '--sort parent'"),
726 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
727 "Only display entries with parent-match"),
728 OPT_CALLBACK_DEFAULT('g', "call-graph", &report,
729 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
730 report_callchain_help, &report_parse_callchain_opt,
731 callchain_default_opt),
732 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
733 "Accumulate callchains of children and show total overhead as well"),
734 OPT_INTEGER(0, "max-stack", &report.max_stack,
735 "Set the maximum stack depth when parsing the callchain, "
736 "anything beyond the specified depth will be ignored. "
737 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
738 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
739 "alias for inverted call graph"),
740 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
741 "ignore callees of these functions in call graphs",
742 report_parse_ignore_callees_opt),
743 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
744 "only consider symbols in these dsos"),
745 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
746 "only consider symbols in these comms"),
747 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
748 "only consider symbols in these pids"),
749 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
750 "only consider symbols in these tids"),
751 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
752 "only consider these symbols"),
753 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
754 "only show symbols that (partially) match with this filter"),
755 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
757 "don't try to adjust column width, use these fixed values"),
758 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
759 "separator for columns, no spaces will be added between "
760 "columns '.' is reserved."),
761 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
762 "Only display entries resolved to a symbol"),
763 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
764 "Look for files with symbols relative to this directory"),
765 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
766 "list of cpus to profile"),
767 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
768 "Display extended information about perf.data file"),
769 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
770 "Interleave source code with assembly code (default)"),
771 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
772 "Display raw encoding of assembly instructions (default)"),
773 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
774 "Specify disassembler style (e.g. -M intel for intel syntax)"),
775 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
776 "Show a column with the sum of periods"),
777 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
778 "Show event group information together"),
779 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
780 "use branch records for per branch histogram filling",
782 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
783 "add last branch records to call history"),
784 OPT_STRING(0, "objdump", &objdump_path, "path",
785 "objdump binary to use for disassembly and annotations"),
786 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
787 "Disable symbol demangling"),
788 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
789 "Enable kernel symbol demangling"),
790 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
791 OPT_CALLBACK(0, "percent-limit", &report, "percent",
792 "Don't show entries under that percent", parse_percent_limit),
793 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
794 "how to display percentage of filtered entries", parse_filter_percentage),
795 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
796 "Instruction Tracing options",
797 itrace_parse_synth_opts),
798 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
799 "Show full source file name path for source lines"),
800 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
801 "Show callgraph from reference event"),
802 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
803 "only show processor socket that match with this filter"),
804 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
805 "Show raw trace event output (do not use print fmt or plugins)"),
808 struct perf_data_file file = {
809 .mode = PERF_DATA_MODE_READ,
811 int ret = hists__init();
816 perf_config(report__config, &report);
818 argc = parse_options(argc, argv, options, report_usage, 0);
821 * Special case: if there's an argument left then assume that
822 * it's a symbol filter:
825 usage_with_options(report_usage, options);
827 report.symbol_filter_str = argv[0];
830 if (symbol_conf.vmlinux_name &&
831 access(symbol_conf.vmlinux_name, R_OK)) {
832 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
835 if (symbol_conf.kallsyms_name &&
836 access(symbol_conf.kallsyms_name, R_OK)) {
837 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
841 if (report.use_stdio)
843 else if (report.use_tui)
845 else if (report.use_gtk)
848 if (report.inverted_callchain)
849 callchain_param.order = ORDER_CALLER;
850 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
851 callchain_param.order = ORDER_CALLER;
853 if (itrace_synth_opts.callchain &&
854 (int)itrace_synth_opts.callchain_sz > report.max_stack)
855 report.max_stack = itrace_synth_opts.callchain_sz;
857 if (!input_name || !strlen(input_name)) {
858 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
861 input_name = "perf.data";
864 file.path = input_name;
865 file.force = symbol_conf.force;
868 session = perf_session__new(&file, false, &report.tool);
872 if (report.queue_size) {
873 ordered_events__set_alloc_size(&session->ordered_events,
877 session->itrace_synth_opts = &itrace_synth_opts;
879 report.session = session;
881 has_br_stack = perf_header__has_feat(&session->header,
882 HEADER_BRANCH_STACK);
884 if (itrace_synth_opts.last_branch)
888 * Branch mode is a tristate:
889 * -1 means default, so decide based on the file having branch data.
890 * 0/1 means the user chose a mode.
892 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
894 sort__mode = SORT_MODE__BRANCH;
895 symbol_conf.cumulate_callchain = false;
897 if (branch_call_mode) {
898 callchain_param.key = CCKEY_ADDRESS;
899 callchain_param.branch_callstack = 1;
900 symbol_conf.use_callchain = true;
901 callchain_register_param(&callchain_param);
902 if (sort_order == NULL)
903 sort_order = "srcline,symbol,dso";
906 if (report.mem_mode) {
907 if (sort__mode == SORT_MODE__BRANCH) {
908 pr_err("branch and mem mode incompatible\n");
911 sort__mode = SORT_MODE__MEMORY;
912 symbol_conf.cumulate_callchain = false;
915 if (setup_sorting(session->evlist) < 0) {
917 parse_options_usage(report_usage, options, "s", 1);
919 parse_options_usage(sort_order ? NULL : report_usage,
924 /* Force tty output for header output and per-thread stat. */
925 if (report.header || report.header_only || report.show_threads)
928 if (strcmp(input_name, "-") != 0)
933 if (report.header || report.header_only) {
934 perf_session__fprintf_info(session, stdout,
935 report.show_full_info);
936 if (report.header_only) {
940 } else if (use_browser == 0) {
941 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
946 * Only in the TUI browser we are doing integrated annotation,
947 * so don't allocate extra space that won't be used in the stdio
950 if (ui__has_annotation()) {
951 symbol_conf.priv_size = sizeof(struct annotation);
952 machines__set_symbol_filter(&session->machines,
953 symbol__annotate_init);
955 * For searching by name on the "Browse map details".
956 * providing it only in verbose mode not to bloat too
957 * much struct symbol.
961 * XXX: Need to provide a less kludgy way to ask for
962 * more space per symbol, the u32 is for the index on
964 * See symbol__browser_index.
966 symbol_conf.priv_size += sizeof(u32);
967 symbol_conf.sort_by_name = true;
971 if (symbol__init(&session->header.env) < 0)
974 sort__setup_elide(stdout);
976 ret = __cmd_report(&report);
977 if (ret == K_SWITCH_INPUT_DATA) {
978 perf_session__delete(session);
984 perf_session__delete(session);