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/config.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"
39 #include "util/time-utils.h"
40 #include "util/auxtrace.h"
43 #include <linux/bitmap.h>
44 #include <linux/stringify.h>
47 struct perf_tool tool;
48 struct perf_session *session;
49 bool use_tui, use_gtk, use_stdio;
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;
63 struct perf_time_interval ptime;
68 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
71 static int report__config(const char *var, const char *value, void *cb)
73 struct report *rep = cb;
75 if (!strcmp(var, "report.group")) {
76 symbol_conf.event_group = perf_config_bool(var, value);
79 if (!strcmp(var, "report.percent-limit")) {
80 double pcnt = strtof(value, NULL);
82 rep->min_percent = pcnt;
83 callchain_param.min_percent = pcnt;
86 if (!strcmp(var, "report.children")) {
87 symbol_conf.cumulate_callchain = perf_config_bool(var, value);
90 if (!strcmp(var, "report.queue-size")) {
91 rep->queue_size = perf_config_u64(var, value);
94 if (!strcmp(var, "report.sort_order")) {
95 default_sort_order = strdup(value);
102 static int hist_iter__report_callback(struct hist_entry_iter *iter,
103 struct addr_location *al, bool single,
107 struct report *rep = arg;
108 struct hist_entry *he = iter->he;
109 struct perf_evsel *evsel = iter->evsel;
111 struct branch_info *bi;
113 if (!ui__has_annotation())
116 hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
117 rep->nonany_branch_mode);
119 if (sort__mode == SORT_MODE__BRANCH) {
120 bi = he->branch_info;
121 err = addr_map_symbol__inc_samples(&bi->from, evsel->idx);
125 err = addr_map_symbol__inc_samples(&bi->to, evsel->idx);
127 } else if (rep->mem_mode) {
129 err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx);
133 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
135 } else if (symbol_conf.cumulate_callchain) {
137 err = hist_entry__inc_addr_samples(he, evsel->idx,
140 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
147 static int process_sample_event(struct perf_tool *tool,
148 union perf_event *event,
149 struct perf_sample *sample,
150 struct perf_evsel *evsel,
151 struct machine *machine)
153 struct report *rep = container_of(tool, struct report, tool);
154 struct addr_location al;
155 struct hist_entry_iter iter = {
158 .hide_unresolved = symbol_conf.hide_unresolved,
159 .add_entry_cb = hist_iter__report_callback,
163 if (perf_time__skip_sample(&rep->ptime, sample->time))
166 if (machine__resolve(machine, &al, sample) < 0) {
167 pr_debug("problem processing %d event, skipping it.\n",
172 if (symbol_conf.hide_unresolved && al.sym == NULL)
175 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
178 if (sort__mode == SORT_MODE__BRANCH) {
180 * A non-synthesized event might not have a branch stack if
181 * branch stacks have been synthesized (using itrace options).
183 if (!sample->branch_stack)
185 iter.ops = &hist_iter_branch;
186 } else if (rep->mem_mode) {
187 iter.ops = &hist_iter_mem;
188 } else if (symbol_conf.cumulate_callchain) {
189 iter.ops = &hist_iter_cumulative;
191 iter.ops = &hist_iter_normal;
195 al.map->dso->hit = 1;
197 ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep);
199 pr_debug("problem adding hist entry, skipping event\n");
201 addr_location__put(&al);
205 static int process_read_event(struct perf_tool *tool,
206 union perf_event *event,
207 struct perf_sample *sample __maybe_unused,
208 struct perf_evsel *evsel,
209 struct machine *machine __maybe_unused)
211 struct report *rep = container_of(tool, struct report, tool);
213 if (rep->show_threads) {
214 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
215 int err = perf_read_values_add_value(&rep->show_threads_values,
216 event->read.pid, event->read.tid,
225 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
226 evsel ? perf_evsel__name(evsel) : "FAIL",
232 /* For pipe mode, sample_type is not currently set */
233 static int report__setup_sample_type(struct report *rep)
235 struct perf_session *session = rep->session;
236 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
237 bool is_pipe = perf_data_file__is_pipe(session->file);
239 if (session->itrace_synth_opts->callchain ||
241 perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
242 !session->itrace_synth_opts->set))
243 sample_type |= PERF_SAMPLE_CALLCHAIN;
245 if (session->itrace_synth_opts->last_branch)
246 sample_type |= PERF_SAMPLE_BRANCH_STACK;
248 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
249 if (perf_hpp_list.parent) {
250 ui__error("Selected --sort parent, but no "
251 "callchain data. Did you call "
252 "'perf record' without -g?\n");
255 if (symbol_conf.use_callchain) {
256 ui__error("Selected -g or --branch-history but no "
257 "callchain data. Did\n"
258 "you call 'perf record' without -g?\n");
261 } else if (!callchain_param.enabled &&
262 callchain_param.mode != CHAIN_NONE &&
263 !symbol_conf.use_callchain) {
264 symbol_conf.use_callchain = true;
265 if (callchain_register_param(&callchain_param) < 0) {
266 ui__error("Can't register callchain params.\n");
271 if (symbol_conf.cumulate_callchain) {
272 /* Silently ignore if callchain is missing */
273 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
274 symbol_conf.cumulate_callchain = false;
275 perf_hpp__cancel_cumulate();
279 if (sort__mode == SORT_MODE__BRANCH) {
281 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
282 ui__error("Selected -b but no branch data. "
283 "Did you call perf record without -b?\n");
288 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
289 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
290 (sample_type & PERF_SAMPLE_STACK_USER))
291 callchain_param.record_mode = CALLCHAIN_DWARF;
292 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
293 callchain_param.record_mode = CALLCHAIN_LBR;
295 callchain_param.record_mode = CALLCHAIN_FP;
298 /* ??? handle more cases than just ANY? */
299 if (!(perf_evlist__combined_branch_type(session->evlist) &
300 PERF_SAMPLE_BRANCH_ANY))
301 rep->nonany_branch_mode = true;
306 static void sig_handler(int sig __maybe_unused)
311 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
312 const char *evname, FILE *fp)
316 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
317 u64 nr_events = hists->stats.total_period;
318 struct perf_evsel *evsel = hists_to_evsel(hists);
320 size_t size = sizeof(buf);
321 int socked_id = hists->socket_filter;
326 if (symbol_conf.filter_relative) {
327 nr_samples = hists->stats.nr_non_filtered_samples;
328 nr_events = hists->stats.total_non_filtered_period;
331 if (perf_evsel__is_group_event(evsel)) {
332 struct perf_evsel *pos;
334 perf_evsel__group_desc(evsel, buf, size);
337 for_each_group_member(pos, evsel) {
338 const struct hists *pos_hists = evsel__hists(pos);
340 if (symbol_conf.filter_relative) {
341 nr_samples += pos_hists->stats.nr_non_filtered_samples;
342 nr_events += pos_hists->stats.total_non_filtered_period;
344 nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE];
345 nr_events += pos_hists->stats.total_period;
350 nr_samples = convert_unit(nr_samples, &unit);
351 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
353 ret += fprintf(fp, " of event '%s'", evname);
355 if (symbol_conf.show_ref_callgraph &&
356 strstr(evname, "call-graph=no")) {
357 ret += fprintf(fp, ", show reference callgraph");
361 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
362 ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order);
364 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
367 ret += fprintf(fp, "\n# Processor Socket: %d", socked_id);
369 return ret + fprintf(fp, "\n#\n");
372 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
376 struct perf_evsel *pos;
379 fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n",
380 evlist->stats.total_lost_samples);
383 evlist__for_each_entry(evlist, pos) {
384 struct hists *hists = evsel__hists(pos);
385 const char *evname = perf_evsel__name(pos);
387 if (symbol_conf.event_group &&
388 !perf_evsel__is_group_leader(pos))
391 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
392 hists__fprintf(hists, !quiet, 0, 0, rep->min_percent, stdout,
393 symbol_conf.use_callchain);
394 fprintf(stdout, "\n\n");
397 if (sort_order == NULL &&
398 parent_pattern == default_parent_pattern)
399 fprintf(stdout, "#\n# (%s)\n#\n", help);
401 if (rep->show_threads) {
402 bool style = !strcmp(rep->pretty_printing_style, "raw");
403 perf_read_values_display(stdout, &rep->show_threads_values,
405 perf_read_values_destroy(&rep->show_threads_values);
411 static void report__warn_kptr_restrict(const struct report *rep)
413 struct map *kernel_map = machine__kernel_map(&rep->session->machines.host);
414 struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL;
416 if (kernel_map == NULL ||
417 (kernel_map->dso->hit &&
418 (kernel_kmap->ref_reloc_sym == NULL ||
419 kernel_kmap->ref_reloc_sym->addr == 0))) {
421 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
422 "can't be resolved.";
425 const struct dso *kdso = kernel_map->dso;
426 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
427 desc = "If some relocation was applied (e.g. "
428 "kexec) symbols may be misresolved.";
433 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
434 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
435 "Samples in kernel modules can't be resolved as well.\n\n",
440 static int report__gtk_browse_hists(struct report *rep, const char *help)
442 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
443 struct hist_browser_timer *timer, float min_pcnt);
445 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
447 if (hist_browser == NULL) {
448 ui__error("GTK browser not found!\n");
452 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
455 static int report__browse_hists(struct report *rep)
458 struct perf_session *session = rep->session;
459 struct perf_evlist *evlist = session->evlist;
460 const char *help = perf_tip(system_path(TIPDIR));
463 /* fallback for people who don't install perf ;-) */
464 help = perf_tip(DOCDIR);
466 help = "Cannot load tips.txt file, please install perf!";
469 switch (use_browser) {
471 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
473 &session->header.env);
475 * Usually "ret" is the last pressed key, and we only
476 * care if the key notifies us to switch data file.
478 if (ret != K_SWITCH_INPUT_DATA)
482 ret = report__gtk_browse_hists(rep, help);
485 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
492 static int report__collapse_hists(struct report *rep)
494 struct ui_progress prog;
495 struct perf_evsel *pos;
498 ui_progress__init(&prog, rep->nr_entries, "Merging related events...");
500 evlist__for_each_entry(rep->session->evlist, pos) {
501 struct hists *hists = evsel__hists(pos);
504 hists->symbol_filter_str = rep->symbol_filter_str;
506 hists->socket_filter = rep->socket_filter;
508 ret = hists__collapse_resort(hists, &prog);
512 /* Non-group events are considered as leader */
513 if (symbol_conf.event_group &&
514 !perf_evsel__is_group_leader(pos)) {
515 struct hists *leader_hists = evsel__hists(pos->leader);
517 hists__match(leader_hists, hists);
518 hists__link(leader_hists, hists);
522 ui_progress__finish();
526 static void report__output_resort(struct report *rep)
528 struct ui_progress prog;
529 struct perf_evsel *pos;
531 ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
533 evlist__for_each_entry(rep->session->evlist, pos)
534 perf_evsel__output_resort(pos, &prog);
536 ui_progress__finish();
539 static int __cmd_report(struct report *rep)
542 struct perf_session *session = rep->session;
543 struct perf_evsel *pos;
544 struct perf_data_file *file = session->file;
546 signal(SIGINT, sig_handler);
549 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
552 ui__error("failed to set cpu bitmap\n");
557 if (rep->show_threads) {
558 ret = perf_read_values_init(&rep->show_threads_values);
563 ret = report__setup_sample_type(rep);
565 /* report__setup_sample_type() already showed error message */
569 ret = perf_session__process_events(session);
571 ui__error("failed to process sample\n");
575 report__warn_kptr_restrict(rep);
577 evlist__for_each_entry(session->evlist, pos)
578 rep->nr_entries += evsel__hists(pos)->nr_entries;
580 if (use_browser == 0) {
582 perf_session__fprintf(session, stdout);
585 perf_session__fprintf_dsos(session, stdout);
588 perf_session__fprintf_nr_events(session, stdout);
589 perf_evlist__fprintf_nr_events(session->evlist, stdout);
594 ret = report__collapse_hists(rep);
596 ui__error("failed to process hist entry\n");
604 * recalculate number of entries after collapsing since it
605 * might be changed during the collapse phase.
608 evlist__for_each_entry(session->evlist, pos)
609 rep->nr_entries += evsel__hists(pos)->nr_entries;
611 if (rep->nr_entries == 0) {
612 ui__error("The %s file has no samples!\n", file->path);
616 report__output_resort(rep);
618 return report__browse_hists(rep);
622 report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
624 struct callchain_param *callchain = opt->value;
626 callchain->enabled = !unset;
631 symbol_conf.use_callchain = false;
632 callchain->mode = CHAIN_NONE;
636 return parse_callchain_report_opt(arg);
640 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
641 const char *arg, int unset __maybe_unused)
644 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
647 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
648 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
651 have_ignore_callees = 1;
658 parse_branch_mode(const struct option *opt,
659 const char *str __maybe_unused, int unset)
661 int *branch_mode = opt->value;
663 *branch_mode = !unset;
668 parse_percent_limit(const struct option *opt, const char *str,
669 int unset __maybe_unused)
671 struct report *rep = opt->value;
672 double pcnt = strtof(str, NULL);
674 rep->min_percent = pcnt;
675 callchain_param.min_percent = pcnt;
679 #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
681 const char report_callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
682 CALLCHAIN_REPORT_HELP
683 "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
685 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
687 struct perf_session *session;
688 struct itrace_synth_opts itrace_synth_opts = { .set = 0, };
690 bool has_br_stack = false;
691 int branch_mode = -1;
692 bool branch_call_mode = false;
693 char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
694 const char * const report_usage[] = {
695 "perf report [<options>]",
698 struct report report = {
700 .sample = process_sample_event,
701 .mmap = perf_event__process_mmap,
702 .mmap2 = perf_event__process_mmap2,
703 .comm = perf_event__process_comm,
704 .exit = perf_event__process_exit,
705 .fork = perf_event__process_fork,
706 .lost = perf_event__process_lost,
707 .read = process_read_event,
708 .attr = perf_event__process_attr,
709 .tracing_data = perf_event__process_tracing_data,
710 .build_id = perf_event__process_build_id,
711 .id_index = perf_event__process_id_index,
712 .auxtrace_info = perf_event__process_auxtrace_info,
713 .auxtrace = perf_event__process_auxtrace,
714 .ordered_events = true,
715 .ordering_requires_timestamps = true,
717 .max_stack = PERF_MAX_STACK_DEPTH,
718 .pretty_printing_style = "normal",
721 const struct option options[] = {
722 OPT_STRING('i', "input", &input_name, "file",
724 OPT_INCR('v', "verbose", &verbose,
725 "be more verbose (show symbol address, etc)"),
726 OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
727 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
728 "dump raw trace in ASCII"),
729 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
730 "file", "vmlinux pathname"),
731 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
732 "file", "kallsyms pathname"),
733 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
734 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
735 "load module symbols - WARNING: use only with -k and LIVE kernel"),
736 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
737 "Show a column with the number of samples"),
738 OPT_BOOLEAN('T', "threads", &report.show_threads,
739 "Show per-thread event counters"),
740 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
741 "pretty printing style key: normal raw"),
742 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
743 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
744 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
745 "Use the stdio interface"),
746 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
747 OPT_BOOLEAN(0, "header-only", &report.header_only,
748 "Show only data header."),
749 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
750 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
751 " Please refer the man page for the complete list."),
752 OPT_STRING('F', "fields", &field_order, "key[,keys...]",
753 "output field(s): overhead, period, sample plus all of sort keys"),
754 OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
755 "Show sample percentage for different cpu modes"),
756 OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
757 "Show sample percentage for different cpu modes", PARSE_OPT_HIDDEN),
758 OPT_STRING('p', "parent", &parent_pattern, "regex",
759 "regex filter to identify parent, see: '--sort parent'"),
760 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
761 "Only display entries with parent-match"),
762 OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
763 "print_type,threshold[,print_limit],order,sort_key[,branch],value",
764 report_callchain_help, &report_parse_callchain_opt,
765 callchain_default_opt),
766 OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
767 "Accumulate callchains of children and show total overhead as well"),
768 OPT_INTEGER(0, "max-stack", &report.max_stack,
769 "Set the maximum stack depth when parsing the callchain, "
770 "anything beyond the specified depth will be ignored. "
771 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
772 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
773 "alias for inverted call graph"),
774 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
775 "ignore callees of these functions in call graphs",
776 report_parse_ignore_callees_opt),
777 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
778 "only consider symbols in these dsos"),
779 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
780 "only consider symbols in these comms"),
781 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
782 "only consider symbols in these pids"),
783 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
784 "only consider symbols in these tids"),
785 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
786 "only consider these symbols"),
787 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
788 "only show symbols that (partially) match with this filter"),
789 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
791 "don't try to adjust column width, use these fixed values"),
792 OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator",
793 "separator for columns, no spaces will be added between "
794 "columns '.' is reserved."),
795 OPT_BOOLEAN('U', "hide-unresolved", &symbol_conf.hide_unresolved,
796 "Only display entries resolved to a symbol"),
797 OPT_CALLBACK(0, "symfs", NULL, "directory",
798 "Look for files with symbols relative to this directory",
799 symbol__config_symfs),
800 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
801 "list of cpus to profile"),
802 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
803 "Display extended information about perf.data file"),
804 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
805 "Interleave source code with assembly code (default)"),
806 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
807 "Display raw encoding of assembly instructions (default)"),
808 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
809 "Specify disassembler style (e.g. -M intel for intel syntax)"),
810 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
811 "Show a column with the sum of periods"),
812 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
813 "Show event group information together"),
814 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
815 "use branch records for per branch histogram filling",
817 OPT_BOOLEAN(0, "branch-history", &branch_call_mode,
818 "add last branch records to call history"),
819 OPT_STRING(0, "objdump", &objdump_path, "path",
820 "objdump binary to use for disassembly and annotations"),
821 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
822 "Disable symbol demangling"),
823 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
824 "Enable kernel symbol demangling"),
825 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
826 OPT_CALLBACK(0, "percent-limit", &report, "percent",
827 "Don't show entries under that percent", parse_percent_limit),
828 OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
829 "how to display percentage of filtered entries", parse_filter_percentage),
830 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
831 "Instruction Tracing options",
832 itrace_parse_synth_opts),
833 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
834 "Show full source file name path for source lines"),
835 OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
836 "Show callgraph from reference event"),
837 OPT_INTEGER(0, "socket-filter", &report.socket_filter,
838 "only show processor socket that match with this filter"),
839 OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
840 "Show raw trace event output (do not use print fmt or plugins)"),
841 OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
842 "Show entries in a hierarchy"),
843 OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
844 "'always' (default), 'never' or 'auto' only applicable to --stdio mode",
845 stdio__config_color, "always"),
846 OPT_STRING(0, "time", &report.time_str, "str",
847 "Time span of interest (start,stop)"),
850 struct perf_data_file file = {
851 .mode = PERF_DATA_MODE_READ,
853 int ret = hists__init();
858 ret = perf_config(report__config, &report);
862 argc = parse_options(argc, argv, options, report_usage, 0);
865 * Special case: if there's an argument left then assume that
866 * it's a symbol filter:
869 usage_with_options(report_usage, options);
871 report.symbol_filter_str = argv[0];
877 if (symbol_conf.vmlinux_name &&
878 access(symbol_conf.vmlinux_name, R_OK)) {
879 pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name);
882 if (symbol_conf.kallsyms_name &&
883 access(symbol_conf.kallsyms_name, R_OK)) {
884 pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name);
888 if (report.use_stdio)
890 else if (report.use_tui)
892 else if (report.use_gtk)
895 if (report.inverted_callchain)
896 callchain_param.order = ORDER_CALLER;
897 if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
898 callchain_param.order = ORDER_CALLER;
900 if (itrace_synth_opts.callchain &&
901 (int)itrace_synth_opts.callchain_sz > report.max_stack)
902 report.max_stack = itrace_synth_opts.callchain_sz;
904 if (!input_name || !strlen(input_name)) {
905 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
908 input_name = "perf.data";
911 file.path = input_name;
912 file.force = symbol_conf.force;
915 session = perf_session__new(&file, false, &report.tool);
919 if (report.queue_size) {
920 ordered_events__set_alloc_size(&session->ordered_events,
924 session->itrace_synth_opts = &itrace_synth_opts;
926 report.session = session;
928 has_br_stack = perf_header__has_feat(&session->header,
929 HEADER_BRANCH_STACK);
931 if (itrace_synth_opts.last_branch)
934 if (has_br_stack && branch_call_mode)
935 symbol_conf.show_branchflag_count = true;
938 * Branch mode is a tristate:
939 * -1 means default, so decide based on the file having branch data.
940 * 0/1 means the user chose a mode.
942 if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) &&
944 sort__mode = SORT_MODE__BRANCH;
945 symbol_conf.cumulate_callchain = false;
947 if (branch_call_mode) {
948 callchain_param.key = CCKEY_ADDRESS;
949 callchain_param.branch_callstack = 1;
950 symbol_conf.use_callchain = true;
951 callchain_register_param(&callchain_param);
952 if (sort_order == NULL)
953 sort_order = "srcline,symbol,dso";
956 if (report.mem_mode) {
957 if (sort__mode == SORT_MODE__BRANCH) {
958 pr_err("branch and mem mode incompatible\n");
961 sort__mode = SORT_MODE__MEMORY;
962 symbol_conf.cumulate_callchain = false;
965 if (symbol_conf.report_hierarchy) {
966 /* disable incompatible options */
967 symbol_conf.cumulate_callchain = false;
970 pr_err("Error: --hierarchy and --fields options cannot be used together\n");
971 parse_options_usage(report_usage, options, "F", 1);
972 parse_options_usage(NULL, options, "hierarchy", 0);
976 perf_hpp_list.need_collapse = true;
979 /* Force tty output for header output and per-thread stat. */
980 if (report.header || report.header_only || report.show_threads)
983 if (strcmp(input_name, "-") != 0)
988 if (setup_sorting(session->evlist) < 0) {
990 parse_options_usage(report_usage, options, "s", 1);
992 parse_options_usage(sort_order ? NULL : report_usage,
997 if ((report.header || report.header_only) && !quiet) {
998 perf_session__fprintf_info(session, stdout,
999 report.show_full_info);
1000 if (report.header_only) {
1004 } else if (use_browser == 0 && !quiet) {
1005 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
1010 * Only in the TUI browser we are doing integrated annotation,
1011 * so don't allocate extra space that won't be used in the stdio
1014 if (ui__has_annotation()) {
1015 ret = symbol__annotation_init();
1019 * For searching by name on the "Browse map details".
1020 * providing it only in verbose mode not to bloat too
1021 * much struct symbol.
1025 * XXX: Need to provide a less kludgy way to ask for
1026 * more space per symbol, the u32 is for the index on
1028 * See symbol__browser_index.
1030 symbol_conf.priv_size += sizeof(u32);
1031 symbol_conf.sort_by_name = true;
1035 if (symbol__init(&session->header.env) < 0)
1038 if (perf_time__parse_str(&report.ptime, report.time_str) != 0) {
1039 pr_err("Invalid time string\n");
1043 sort__setup_elide(stdout);
1045 ret = __cmd_report(&report);
1046 if (ret == K_SWITCH_INPUT_DATA) {
1047 perf_session__delete(session);
1053 perf_session__delete(session);