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 "util/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"
40 #include <linux/bitmap.h>
43 struct perf_tool tool;
44 struct perf_session *session;
45 bool force, use_tui, use_gtk, use_stdio;
47 bool dont_use_callchains;
50 bool inverted_callchain;
53 struct perf_read_values show_threads_values;
54 const char *pretty_printing_style;
56 const char *symbol_filter_str;
58 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
61 static int perf_report_config(const char *var, const char *value, void *cb)
63 if (!strcmp(var, "report.group")) {
64 symbol_conf.event_group = perf_config_bool(var, value);
67 if (!strcmp(var, "report.percent-limit")) {
68 struct perf_report *rep = cb;
69 rep->min_percent = strtof(value, NULL);
73 return perf_default_config(var, value, cb);
76 static int perf_report__add_mem_hist_entry(struct perf_tool *tool,
77 struct addr_location *al,
78 struct perf_sample *sample,
79 struct perf_evsel *evsel,
80 struct machine *machine,
81 union perf_event *event)
83 struct perf_report *rep = container_of(tool, struct perf_report, tool);
84 struct symbol *parent = NULL;
85 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
87 struct hist_entry *he;
88 struct mem_info *mi, *mx;
91 if ((sort__has_parent || symbol_conf.use_callchain) &&
93 err = machine__resolve_callchain(machine, evsel, al->thread,
100 mi = machine__resolve_mem(machine, al->thread, sample, cpumode);
104 if (rep->hide_unresolved && !al->sym)
107 cost = sample->weight;
112 * must pass period=weight in order to get the correct
113 * sorting from hists__collapse_resort() which is solely
114 * based on periods. We want sorting be done on nr_events * weight
115 * and this is indirectly achieved by passing period=weight here
116 * and the he_stat__add_period() function.
118 he = __hists__add_mem_entry(&evsel->hists, al, parent, mi, cost, cost);
123 * In the TUI browser, we are doing integrated annotation,
124 * so we don't allocate the extra space needed because the stdio
125 * code will not use it.
127 if (sort__has_sym && he->ms.sym && use_browser > 0) {
128 struct annotation *notes = symbol__annotation(he->ms.sym);
130 assert(evsel != NULL);
132 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
135 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
140 if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) {
141 struct annotation *notes;
145 notes = symbol__annotation(mx->daddr.sym);
146 if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0)
149 err = symbol__inc_addr_samples(mx->daddr.sym,
157 evsel->hists.stats.total_period += cost;
158 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
161 if (symbol_conf.use_callchain) {
162 err = callchain_append(he->callchain,
170 static int perf_report__add_branch_hist_entry(struct perf_tool *tool,
171 struct addr_location *al,
172 struct perf_sample *sample,
173 struct perf_evsel *evsel,
174 struct machine *machine)
176 struct perf_report *rep = container_of(tool, struct perf_report, tool);
177 struct symbol *parent = NULL;
180 struct hist_entry *he;
181 struct branch_info *bi, *bx;
183 if ((sort__has_parent || symbol_conf.use_callchain)
184 && sample->callchain) {
185 err = machine__resolve_callchain(machine, evsel, al->thread,
192 bi = machine__resolve_bstack(machine, al->thread,
193 sample->branch_stack);
197 for (i = 0; i < sample->branch_stack->nr; i++) {
198 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
204 * The report shows the percentage of total branches captured
205 * and not events sampled. Thus we use a pseudo period of 1.
207 he = __hists__add_branch_entry(&evsel->hists, al, parent,
210 struct annotation *notes;
211 bx = he->branch_info;
212 if (bx->from.sym && use_browser == 1 && sort__has_sym) {
213 notes = symbol__annotation(bx->from.sym);
215 && symbol__alloc_hist(bx->from.sym) < 0)
218 err = symbol__inc_addr_samples(bx->from.sym,
226 if (bx->to.sym && use_browser == 1 && sort__has_sym) {
227 notes = symbol__annotation(bx->to.sym);
229 && symbol__alloc_hist(bx->to.sym) < 0)
232 err = symbol__inc_addr_samples(bx->to.sym,
239 evsel->hists.stats.total_period += 1;
240 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
250 static int perf_evsel__add_hist_entry(struct perf_tool *tool,
251 struct perf_evsel *evsel,
252 struct addr_location *al,
253 struct perf_sample *sample,
254 struct machine *machine)
256 struct perf_report *rep = container_of(tool, struct perf_report, tool);
257 struct symbol *parent = NULL;
259 struct hist_entry *he;
261 if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) {
262 err = machine__resolve_callchain(machine, evsel, al->thread,
269 he = __hists__add_entry(&evsel->hists, al, parent, sample->period,
270 sample->weight, sample->transaction);
274 if (symbol_conf.use_callchain) {
275 err = callchain_append(he->callchain,
282 * Only in the TUI browser we are doing integrated annotation,
283 * so we don't allocated the extra space needed because the stdio
284 * code will not use it.
286 if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) {
287 struct annotation *notes = symbol__annotation(he->ms.sym);
289 assert(evsel != NULL);
292 if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0)
295 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
298 evsel->hists.stats.total_period += sample->period;
299 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
305 static int process_sample_event(struct perf_tool *tool,
306 union perf_event *event,
307 struct perf_sample *sample,
308 struct perf_evsel *evsel,
309 struct machine *machine)
311 struct perf_report *rep = container_of(tool, struct perf_report, tool);
312 struct addr_location al;
315 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
316 fprintf(stderr, "problem processing %d event, skipping it.\n",
321 if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
324 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
327 if (sort__mode == SORT_MODE__BRANCH) {
328 ret = perf_report__add_branch_hist_entry(tool, &al, sample,
331 pr_debug("problem adding lbr entry, skipping event\n");
332 } else if (rep->mem_mode == 1) {
333 ret = perf_report__add_mem_hist_entry(tool, &al, sample,
334 evsel, machine, event);
336 pr_debug("problem adding mem entry, skipping event\n");
339 al.map->dso->hit = 1;
341 ret = perf_evsel__add_hist_entry(tool, evsel, &al, sample,
344 pr_debug("problem incrementing symbol period, skipping event\n");
349 static int process_read_event(struct perf_tool *tool,
350 union perf_event *event,
351 struct perf_sample *sample __maybe_unused,
352 struct perf_evsel *evsel,
353 struct machine *machine __maybe_unused)
355 struct perf_report *rep = container_of(tool, struct perf_report, tool);
357 if (rep->show_threads) {
358 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
359 perf_read_values_add_value(&rep->show_threads_values,
360 event->read.pid, event->read.tid,
366 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
367 evsel ? perf_evsel__name(evsel) : "FAIL",
373 /* For pipe mode, sample_type is not currently set */
374 static int perf_report__setup_sample_type(struct perf_report *rep)
376 struct perf_session *self = rep->session;
377 u64 sample_type = perf_evlist__combined_sample_type(self->evlist);
378 bool is_pipe = perf_data_file__is_pipe(self->file);
380 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
381 if (sort__has_parent) {
382 ui__error("Selected --sort parent, but no "
383 "callchain data. Did you call "
384 "'perf record' without -g?\n");
387 if (symbol_conf.use_callchain) {
388 ui__error("Selected -g but no callchain data. Did "
389 "you call 'perf record' without -g?\n");
392 } else if (!rep->dont_use_callchains &&
393 callchain_param.mode != CHAIN_NONE &&
394 !symbol_conf.use_callchain) {
395 symbol_conf.use_callchain = true;
396 if (callchain_register_param(&callchain_param) < 0) {
397 ui__error("Can't register callchain params.\n");
402 if (sort__mode == SORT_MODE__BRANCH) {
404 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
405 ui__error("Selected -b but no branch data. "
406 "Did you call perf record without -b?\n");
414 static void sig_handler(int sig __maybe_unused)
419 static size_t hists__fprintf_nr_sample_events(struct perf_report *rep,
421 const char *evname, FILE *fp)
425 unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE];
426 u64 nr_events = self->stats.total_period;
427 struct perf_evsel *evsel = hists_to_evsel(self);
429 size_t size = sizeof(buf);
431 if (perf_evsel__is_group_event(evsel)) {
432 struct perf_evsel *pos;
434 perf_evsel__group_desc(evsel, buf, size);
437 for_each_group_member(pos, evsel) {
438 nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
439 nr_events += pos->hists.stats.total_period;
443 nr_samples = convert_unit(nr_samples, &unit);
444 ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit);
446 ret += fprintf(fp, " of event '%s'", evname);
449 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
450 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
452 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
453 return ret + fprintf(fp, "\n#\n");
456 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
457 struct perf_report *rep,
460 struct perf_evsel *pos;
462 list_for_each_entry(pos, &evlist->entries, node) {
463 struct hists *hists = &pos->hists;
464 const char *evname = perf_evsel__name(pos);
466 if (symbol_conf.event_group &&
467 !perf_evsel__is_group_leader(pos))
470 hists__fprintf_nr_sample_events(rep, hists, evname, stdout);
471 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
472 fprintf(stdout, "\n\n");
475 if (sort_order == default_sort_order &&
476 parent_pattern == default_parent_pattern) {
477 fprintf(stdout, "#\n# (%s)\n#\n", help);
479 if (rep->show_threads) {
480 bool style = !strcmp(rep->pretty_printing_style, "raw");
481 perf_read_values_display(stdout, &rep->show_threads_values,
483 perf_read_values_destroy(&rep->show_threads_values);
490 static int __cmd_report(struct perf_report *rep)
494 struct perf_session *session = rep->session;
495 struct perf_evsel *pos;
496 struct map *kernel_map;
497 struct kmap *kernel_kmap;
498 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
499 struct perf_data_file *file = session->file;
501 signal(SIGINT, sig_handler);
504 ret = perf_session__cpu_bitmap(session, rep->cpu_list,
510 if (use_browser <= 0)
511 perf_session__fprintf_info(session, stdout, rep->show_full_info);
513 if (rep->show_threads)
514 perf_read_values_init(&rep->show_threads_values);
516 ret = perf_report__setup_sample_type(rep);
520 ret = perf_session__process_events(session, &rep->tool);
524 kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION];
525 kernel_kmap = map__kmap(kernel_map);
526 if (kernel_map == NULL ||
527 (kernel_map->dso->hit &&
528 (kernel_kmap->ref_reloc_sym == NULL ||
529 kernel_kmap->ref_reloc_sym->addr == 0))) {
531 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
532 "can't be resolved.";
535 const struct dso *kdso = kernel_map->dso;
536 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
537 desc = "If some relocation was applied (e.g. "
538 "kexec) symbols may be misresolved.";
543 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
544 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
545 "Samples in kernel modules can't be resolved as well.\n\n",
550 perf_session__fprintf(session, stdout);
553 perf_session__fprintf_dsos(session, stdout);
556 perf_session__fprintf_nr_events(session, stdout);
561 list_for_each_entry(pos, &session->evlist->entries, node) {
562 struct hists *hists = &pos->hists;
565 hists->symbol_filter_str = rep->symbol_filter_str;
567 hists__collapse_resort(hists);
568 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
570 /* Non-group events are considered as leader */
571 if (symbol_conf.event_group &&
572 !perf_evsel__is_group_leader(pos)) {
573 struct hists *leader_hists = &pos->leader->hists;
575 hists__match(leader_hists, hists);
576 hists__link(leader_hists, hists);
583 if (nr_samples == 0) {
584 ui__error("The %s file has no samples!\n", file->path);
588 list_for_each_entry(pos, &session->evlist->entries, node)
589 hists__output_resort(&pos->hists);
591 if (use_browser > 0) {
592 if (use_browser == 1) {
593 ret = perf_evlist__tui_browse_hists(session->evlist,
596 &session->header.env);
598 * Usually "ret" is the last pressed key, and we only
599 * care if the key notifies us to switch data file.
601 if (ret != K_SWITCH_INPUT_DATA)
604 } else if (use_browser == 2) {
605 int (*hist_browser)(struct perf_evlist *,
607 struct hist_browser_timer *,
610 hist_browser = dlsym(perf_gtk_handle,
611 "perf_evlist__gtk_browse_hists");
612 if (hist_browser == NULL) {
613 ui__error("GTK browser not found!\n");
616 hist_browser(session->evlist, help, NULL,
620 perf_evlist__tty_browse_hists(session->evlist, rep, help);
626 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
628 struct perf_report *rep = (struct perf_report *)opt->value;
636 rep->dont_use_callchains = true;
640 symbol_conf.use_callchain = true;
645 tok = strtok((char *)arg, ",");
649 /* get the output mode */
650 if (!strncmp(tok, "graph", strlen(arg)))
651 callchain_param.mode = CHAIN_GRAPH_ABS;
653 else if (!strncmp(tok, "flat", strlen(arg)))
654 callchain_param.mode = CHAIN_FLAT;
656 else if (!strncmp(tok, "fractal", strlen(arg)))
657 callchain_param.mode = CHAIN_GRAPH_REL;
659 else if (!strncmp(tok, "none", strlen(arg))) {
660 callchain_param.mode = CHAIN_NONE;
661 symbol_conf.use_callchain = false;
669 /* get the min percentage */
670 tok = strtok(NULL, ",");
674 callchain_param.min_percent = strtod(tok, &endptr);
678 /* get the print limit */
679 tok2 = strtok(NULL, ",");
683 if (tok2[0] != 'c') {
684 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
685 tok2 = strtok(NULL, ",");
690 /* get the call chain order */
691 if (!strncmp(tok2, "caller", strlen("caller")))
692 callchain_param.order = ORDER_CALLER;
693 else if (!strncmp(tok2, "callee", strlen("callee")))
694 callchain_param.order = ORDER_CALLEE;
698 /* Get the sort key */
699 tok2 = strtok(NULL, ",");
702 if (!strncmp(tok2, "function", strlen("function")))
703 callchain_param.key = CCKEY_FUNCTION;
704 else if (!strncmp(tok2, "address", strlen("address")))
705 callchain_param.key = CCKEY_ADDRESS;
709 if (callchain_register_param(&callchain_param) < 0) {
710 fprintf(stderr, "Can't register callchain params\n");
717 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
718 const char *arg, int unset __maybe_unused)
721 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
724 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
725 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
728 have_ignore_callees = 1;
735 parse_branch_mode(const struct option *opt __maybe_unused,
736 const char *str __maybe_unused, int unset)
738 int *branch_mode = opt->value;
740 *branch_mode = !unset;
745 parse_percent_limit(const struct option *opt, const char *str,
746 int unset __maybe_unused)
748 struct perf_report *rep = opt->value;
750 rep->min_percent = strtof(str, NULL);
754 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
756 struct perf_session *session;
758 bool has_br_stack = false;
759 int branch_mode = -1;
761 char callchain_default_opt[] = "fractal,0.5,callee";
762 const char * const report_usage[] = {
763 "perf report [<options>]",
766 struct perf_report report = {
768 .sample = process_sample_event,
769 .mmap = perf_event__process_mmap,
770 .mmap2 = perf_event__process_mmap2,
771 .comm = perf_event__process_comm,
772 .exit = perf_event__process_exit,
773 .fork = perf_event__process_fork,
774 .lost = perf_event__process_lost,
775 .read = process_read_event,
776 .attr = perf_event__process_attr,
777 .tracing_data = perf_event__process_tracing_data,
778 .build_id = perf_event__process_build_id,
779 .ordered_samples = true,
780 .ordering_requires_timestamps = true,
782 .max_stack = PERF_MAX_STACK_DEPTH,
783 .pretty_printing_style = "normal",
785 const struct option options[] = {
786 OPT_STRING('i', "input", &input_name, "file",
788 OPT_INCR('v', "verbose", &verbose,
789 "be more verbose (show symbol address, etc)"),
790 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
791 "dump raw trace in ASCII"),
792 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
793 "file", "vmlinux pathname"),
794 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
795 "file", "kallsyms pathname"),
796 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
797 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
798 "load module symbols - WARNING: use only with -k and LIVE kernel"),
799 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
800 "Show a column with the number of samples"),
801 OPT_BOOLEAN('T', "threads", &report.show_threads,
802 "Show per-thread event counters"),
803 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
804 "pretty printing style key: normal raw"),
805 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
806 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
807 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
808 "Use the stdio interface"),
809 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
810 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
811 " dso_to, dso_from, symbol_to, symbol_from, mispredict,"
812 " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, "
813 "snoop, locked, abort, in_tx, transaction"),
814 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
815 "Show sample percentage for different cpu modes"),
816 OPT_STRING('p', "parent", &parent_pattern, "regex",
817 "regex filter to identify parent, see: '--sort parent'"),
818 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
819 "Only display entries with parent-match"),
820 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
821 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). "
822 "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt),
823 OPT_INTEGER(0, "max-stack", &report.max_stack,
824 "Set the maximum stack depth when parsing the callchain, "
825 "anything beyond the specified depth will be ignored. "
826 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
827 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
828 "alias for inverted call graph"),
829 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
830 "ignore callees of these functions in call graphs",
831 report_parse_ignore_callees_opt),
832 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
833 "only consider symbols in these dsos"),
834 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
835 "only consider symbols in these comms"),
836 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
837 "only consider these symbols"),
838 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
839 "only show symbols that (partially) match with this filter"),
840 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
842 "don't try to adjust column width, use these fixed values"),
843 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
844 "separator for columns, no spaces will be added between "
845 "columns '.' is reserved."),
846 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
847 "Only display entries resolved to a symbol"),
848 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
849 "Look for files with symbols relative to this directory"),
850 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
851 "list of cpus to profile"),
852 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
853 "Display extended information about perf.data file"),
854 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
855 "Interleave source code with assembly code (default)"),
856 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
857 "Display raw encoding of assembly instructions (default)"),
858 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
859 "Specify disassembler style (e.g. -M intel for intel syntax)"),
860 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
861 "Show a column with the sum of periods"),
862 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
863 "Show event group information together"),
864 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
865 "use branch records for histogram filling", parse_branch_mode),
866 OPT_STRING(0, "objdump", &objdump_path, "path",
867 "objdump binary to use for disassembly and annotations"),
868 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
869 "Disable symbol demangling"),
870 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
871 OPT_CALLBACK(0, "percent-limit", &report, "percent",
872 "Don't show entries under that percent", parse_percent_limit),
875 struct perf_data_file file = {
876 .mode = PERF_DATA_MODE_READ,
879 perf_config(perf_report_config, &report);
881 argc = parse_options(argc, argv, options, report_usage, 0);
883 if (report.use_stdio)
885 else if (report.use_tui)
887 else if (report.use_gtk)
890 if (report.inverted_callchain)
891 callchain_param.order = ORDER_CALLER;
893 if (!input_name || !strlen(input_name)) {
894 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
897 input_name = "perf.data";
900 if (strcmp(input_name, "-") != 0)
907 file.path = input_name;
908 file.force = report.force;
911 session = perf_session__new(&file, false, &report.tool);
915 report.session = session;
917 has_br_stack = perf_header__has_feat(&session->header,
918 HEADER_BRANCH_STACK);
920 if (branch_mode == -1 && has_br_stack)
921 sort__mode = SORT_MODE__BRANCH;
923 /* sort__mode could be NORMAL if --no-branch-stack */
924 if (sort__mode == SORT_MODE__BRANCH) {
926 * if no sort_order is provided, then specify
927 * branch-mode specific order
929 if (sort_order == default_sort_order)
930 sort_order = "comm,dso_from,symbol_from,"
934 if (report.mem_mode) {
935 if (sort__mode == SORT_MODE__BRANCH) {
936 fprintf(stderr, "branch and mem mode incompatible\n");
939 sort__mode = SORT_MODE__MEMORY;
942 * if no sort_order is provided, then specify
943 * branch-mode specific order
945 if (sort_order == default_sort_order)
946 sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
949 if (setup_sorting() < 0)
950 usage_with_options(report_usage, options);
953 * Only in the TUI browser we are doing integrated annotation,
954 * so don't allocate extra space that won't be used in the stdio
957 if (use_browser == 1 && sort__has_sym) {
958 symbol_conf.priv_size = sizeof(struct annotation);
959 machines__set_symbol_filter(&session->machines,
960 symbol__annotate_init);
962 * For searching by name on the "Browse map details".
963 * providing it only in verbose mode not to bloat too
964 * much struct symbol.
968 * XXX: Need to provide a less kludgy way to ask for
969 * more space per symbol, the u32 is for the index on
971 * See symbol__browser_index.
973 symbol_conf.priv_size += sizeof(u32);
974 symbol_conf.sort_by_name = true;
978 if (symbol__init() < 0)
981 if (parent_pattern != default_parent_pattern) {
982 if (sort_dimension__add("parent") < 0)
988 * Special case: if there's an argument left then assume that
989 * it's a symbol filter:
992 usage_with_options(report_usage, options);
994 report.symbol_filter_str = argv[0];
997 sort__setup_elide(stdout);
999 ret = __cmd_report(&report);
1000 if (ret == K_SWITCH_INPUT_DATA) {
1001 perf_session__delete(session);
1007 perf_session__delete(session);