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;
55 struct perf_read_values show_threads_values;
56 const char *pretty_printing_style;
58 const char *symbol_filter_str;
60 DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
63 static int report__config(const char *var, const char *value, void *cb)
65 if (!strcmp(var, "report.group")) {
66 symbol_conf.event_group = perf_config_bool(var, value);
69 if (!strcmp(var, "report.percent-limit")) {
70 struct report *rep = cb;
71 rep->min_percent = strtof(value, NULL);
75 return perf_default_config(var, value, cb);
78 static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al,
79 struct perf_sample *sample, struct perf_evsel *evsel,
80 union perf_event *event)
82 struct report *rep = container_of(tool, struct report, tool);
83 struct symbol *parent = NULL;
84 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
85 struct hist_entry *he;
86 struct mem_info *mi, *mx;
88 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
93 mi = machine__resolve_mem(al->machine, al->thread, sample, cpumode);
97 if (rep->hide_unresolved && !al->sym)
100 cost = sample->weight;
105 * must pass period=weight in order to get the correct
106 * sorting from hists__collapse_resort() which is solely
107 * based on periods. We want sorting be done on nr_events * weight
108 * and this is indirectly achieved by passing period=weight here
109 * and the he_stat__add_period() function.
111 he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi,
116 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
121 err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx);
125 evsel->hists.stats.total_period += cost;
126 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
127 err = hist_entry__append_callchain(he, sample);
132 static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_location *al,
133 struct perf_sample *sample, struct perf_evsel *evsel)
135 struct report *rep = container_of(tool, struct report, tool);
136 struct symbol *parent = NULL;
138 struct hist_entry *he;
139 struct branch_info *bi, *bx;
140 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
145 bi = machine__resolve_bstack(al->machine, al->thread,
146 sample->branch_stack);
150 for (i = 0; i < sample->branch_stack->nr; i++) {
151 if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym))
156 /* overwrite the 'al' to branch-to info */
157 al->map = bi[i].to.map;
158 al->sym = bi[i].to.sym;
159 al->addr = bi[i].to.addr;
161 * The report shows the percentage of total branches captured
162 * and not events sampled. Thus we use a pseudo period of 1.
164 he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL,
167 bx = he->branch_info;
168 err = addr_map_symbol__inc_samples(&bx->from, evsel->idx);
172 err = addr_map_symbol__inc_samples(&bx->to, evsel->idx);
176 evsel->hists.stats.total_period += 1;
177 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
187 static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evsel,
188 struct addr_location *al, struct perf_sample *sample)
190 struct report *rep = container_of(tool, struct report, tool);
191 struct symbol *parent = NULL;
192 struct hist_entry *he;
193 int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack);
198 he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL,
199 sample->period, sample->weight,
200 sample->transaction);
204 err = hist_entry__append_callchain(he, sample);
208 err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr);
209 evsel->hists.stats.total_period += sample->period;
210 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
216 static int process_sample_event(struct perf_tool *tool,
217 union perf_event *event,
218 struct perf_sample *sample,
219 struct perf_evsel *evsel,
220 struct machine *machine)
222 struct report *rep = container_of(tool, struct report, tool);
223 struct addr_location al;
226 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
227 pr_debug("problem processing %d event, skipping it.\n",
232 if (al.filtered || (rep->hide_unresolved && al.sym == NULL))
235 if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap))
238 if (sort__mode == SORT_MODE__BRANCH) {
239 ret = report__add_branch_hist_entry(tool, &al, sample, evsel);
241 pr_debug("problem adding lbr entry, skipping event\n");
242 } else if (rep->mem_mode == 1) {
243 ret = report__add_mem_hist_entry(tool, &al, sample, evsel, event);
245 pr_debug("problem adding mem entry, skipping event\n");
248 al.map->dso->hit = 1;
250 ret = report__add_hist_entry(tool, evsel, &al, sample);
252 pr_debug("problem incrementing symbol period, skipping event\n");
257 static int process_read_event(struct perf_tool *tool,
258 union perf_event *event,
259 struct perf_sample *sample __maybe_unused,
260 struct perf_evsel *evsel,
261 struct machine *machine __maybe_unused)
263 struct report *rep = container_of(tool, struct report, tool);
265 if (rep->show_threads) {
266 const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
267 perf_read_values_add_value(&rep->show_threads_values,
268 event->read.pid, event->read.tid,
274 dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
275 evsel ? perf_evsel__name(evsel) : "FAIL",
281 /* For pipe mode, sample_type is not currently set */
282 static int report__setup_sample_type(struct report *rep)
284 struct perf_session *session = rep->session;
285 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
286 bool is_pipe = perf_data_file__is_pipe(session->file);
288 if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
289 if (sort__has_parent) {
290 ui__error("Selected --sort parent, but no "
291 "callchain data. Did you call "
292 "'perf record' without -g?\n");
295 if (symbol_conf.use_callchain) {
296 ui__error("Selected -g but no callchain data. Did "
297 "you call 'perf record' without -g?\n");
300 } else if (!rep->dont_use_callchains &&
301 callchain_param.mode != CHAIN_NONE &&
302 !symbol_conf.use_callchain) {
303 symbol_conf.use_callchain = true;
304 if (callchain_register_param(&callchain_param) < 0) {
305 ui__error("Can't register callchain params.\n");
310 if (sort__mode == SORT_MODE__BRANCH) {
312 !(sample_type & PERF_SAMPLE_BRANCH_STACK)) {
313 ui__error("Selected -b but no branch data. "
314 "Did you call perf record without -b?\n");
322 static void sig_handler(int sig __maybe_unused)
327 static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep,
328 const char *evname, FILE *fp)
332 unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
333 u64 nr_events = hists->stats.total_period;
334 struct perf_evsel *evsel = hists_to_evsel(hists);
336 size_t size = sizeof(buf);
338 if (perf_evsel__is_group_event(evsel)) {
339 struct perf_evsel *pos;
341 perf_evsel__group_desc(evsel, buf, size);
344 for_each_group_member(pos, evsel) {
345 nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE];
346 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);
356 ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events);
357 ret += fprintf(fp, "\n# Sort order : %s", sort_order);
359 ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events);
360 return ret + fprintf(fp, "\n#\n");
363 static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist,
367 struct perf_evsel *pos;
369 evlist__for_each(evlist, pos) {
370 struct hists *hists = &pos->hists;
371 const char *evname = perf_evsel__name(pos);
373 if (symbol_conf.event_group &&
374 !perf_evsel__is_group_leader(pos))
377 hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
378 hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout);
379 fprintf(stdout, "\n\n");
382 if (sort_order == default_sort_order &&
383 parent_pattern == default_parent_pattern) {
384 fprintf(stdout, "#\n# (%s)\n#\n", help);
386 if (rep->show_threads) {
387 bool style = !strcmp(rep->pretty_printing_style, "raw");
388 perf_read_values_display(stdout, &rep->show_threads_values,
390 perf_read_values_destroy(&rep->show_threads_values);
397 static void report__warn_kptr_restrict(const struct report *rep)
399 struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION];
400 struct kmap *kernel_kmap = map__kmap(kernel_map);
402 if (kernel_map == NULL ||
403 (kernel_map->dso->hit &&
404 (kernel_kmap->ref_reloc_sym == NULL ||
405 kernel_kmap->ref_reloc_sym->addr == 0))) {
407 "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
408 "can't be resolved.";
411 const struct dso *kdso = kernel_map->dso;
412 if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
413 desc = "If some relocation was applied (e.g. "
414 "kexec) symbols may be misresolved.";
419 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
420 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
421 "Samples in kernel modules can't be resolved as well.\n\n",
426 static int report__gtk_browse_hists(struct report *rep, const char *help)
428 int (*hist_browser)(struct perf_evlist *evlist, const char *help,
429 struct hist_browser_timer *timer, float min_pcnt);
431 hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists");
433 if (hist_browser == NULL) {
434 ui__error("GTK browser not found!\n");
438 return hist_browser(rep->session->evlist, help, NULL, rep->min_percent);
441 static int report__browse_hists(struct report *rep)
444 struct perf_session *session = rep->session;
445 struct perf_evlist *evlist = session->evlist;
446 const char *help = "For a higher level overview, try: perf report --sort comm,dso";
448 switch (use_browser) {
450 ret = perf_evlist__tui_browse_hists(evlist, help, NULL,
452 &session->header.env);
454 * Usually "ret" is the last pressed key, and we only
455 * care if the key notifies us to switch data file.
457 if (ret != K_SWITCH_INPUT_DATA)
461 ret = report__gtk_browse_hists(rep, help);
464 ret = perf_evlist__tty_browse_hists(evlist, rep, help);
471 static u64 report__collapse_hists(struct report *rep)
473 struct ui_progress prog;
474 struct perf_evsel *pos;
477 * Count number of histogram entries to use when showing progress,
478 * reusing nr_samples variable.
480 evlist__for_each(rep->session->evlist, pos)
481 nr_samples += pos->hists.nr_entries;
483 ui_progress__init(&prog, nr_samples, "Merging related events...");
485 * Count total number of samples, will be used to check if this
490 evlist__for_each(rep->session->evlist, pos) {
491 struct hists *hists = &pos->hists;
494 hists->symbol_filter_str = rep->symbol_filter_str;
496 hists__collapse_resort(hists, &prog);
497 nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
499 /* Non-group events are considered as leader */
500 if (symbol_conf.event_group &&
501 !perf_evsel__is_group_leader(pos)) {
502 struct hists *leader_hists = &pos->leader->hists;
504 hists__match(leader_hists, hists);
505 hists__link(leader_hists, hists);
509 ui_progress__finish();
514 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,
531 if (rep->show_threads)
532 perf_read_values_init(&rep->show_threads_values);
534 ret = report__setup_sample_type(rep);
538 ret = perf_session__process_events(session, &rep->tool);
542 report__warn_kptr_restrict(rep);
544 if (use_browser == 0) {
546 perf_session__fprintf(session, stdout);
549 perf_session__fprintf_dsos(session, stdout);
552 perf_session__fprintf_nr_events(session, stdout);
557 nr_samples = report__collapse_hists(rep);
562 if (nr_samples == 0) {
563 ui__error("The %s file has no samples!\n", file->path);
567 evlist__for_each(session->evlist, pos)
568 hists__output_resort(&pos->hists);
570 return report__browse_hists(rep);
574 parse_callchain_opt(const struct option *opt, const char *arg, int unset)
576 struct report *rep = (struct report *)opt->value;
584 rep->dont_use_callchains = true;
588 symbol_conf.use_callchain = true;
593 tok = strtok((char *)arg, ",");
597 /* get the output mode */
598 if (!strncmp(tok, "graph", strlen(arg)))
599 callchain_param.mode = CHAIN_GRAPH_ABS;
601 else if (!strncmp(tok, "flat", strlen(arg)))
602 callchain_param.mode = CHAIN_FLAT;
604 else if (!strncmp(tok, "fractal", strlen(arg)))
605 callchain_param.mode = CHAIN_GRAPH_REL;
607 else if (!strncmp(tok, "none", strlen(arg))) {
608 callchain_param.mode = CHAIN_NONE;
609 symbol_conf.use_callchain = false;
617 /* get the min percentage */
618 tok = strtok(NULL, ",");
622 callchain_param.min_percent = strtod(tok, &endptr);
626 /* get the print limit */
627 tok2 = strtok(NULL, ",");
631 if (tok2[0] != 'c') {
632 callchain_param.print_limit = strtoul(tok2, &endptr, 0);
633 tok2 = strtok(NULL, ",");
638 /* get the call chain order */
639 if (!strncmp(tok2, "caller", strlen("caller")))
640 callchain_param.order = ORDER_CALLER;
641 else if (!strncmp(tok2, "callee", strlen("callee")))
642 callchain_param.order = ORDER_CALLEE;
646 /* Get the sort key */
647 tok2 = strtok(NULL, ",");
650 if (!strncmp(tok2, "function", strlen("function")))
651 callchain_param.key = CCKEY_FUNCTION;
652 else if (!strncmp(tok2, "address", strlen("address")))
653 callchain_param.key = CCKEY_ADDRESS;
657 if (callchain_register_param(&callchain_param) < 0) {
658 pr_err("Can't register callchain params\n");
665 report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
666 const char *arg, int unset __maybe_unused)
669 int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED);
672 regerror(err, &ignore_callees_regex, buf, sizeof(buf));
673 pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf);
676 have_ignore_callees = 1;
683 parse_branch_mode(const struct option *opt __maybe_unused,
684 const char *str __maybe_unused, int unset)
686 int *branch_mode = opt->value;
688 *branch_mode = !unset;
693 parse_percent_limit(const struct option *opt, const char *str,
694 int unset __maybe_unused)
696 struct report *rep = opt->value;
698 rep->min_percent = strtof(str, NULL);
702 int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
704 struct perf_session *session;
706 bool has_br_stack = false;
707 int branch_mode = -1;
709 char callchain_default_opt[] = "fractal,0.5,callee";
710 const char * const report_usage[] = {
711 "perf report [<options>]",
714 struct report report = {
716 .sample = process_sample_event,
717 .mmap = perf_event__process_mmap,
718 .mmap2 = perf_event__process_mmap2,
719 .comm = perf_event__process_comm,
720 .exit = perf_event__process_exit,
721 .fork = perf_event__process_fork,
722 .lost = perf_event__process_lost,
723 .read = process_read_event,
724 .attr = perf_event__process_attr,
725 .tracing_data = perf_event__process_tracing_data,
726 .build_id = perf_event__process_build_id,
727 .ordered_samples = true,
728 .ordering_requires_timestamps = true,
730 .max_stack = PERF_MAX_STACK_DEPTH,
731 .pretty_printing_style = "normal",
733 const struct option options[] = {
734 OPT_STRING('i', "input", &input_name, "file",
736 OPT_INCR('v', "verbose", &verbose,
737 "be more verbose (show symbol address, etc)"),
738 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
739 "dump raw trace in ASCII"),
740 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
741 "file", "vmlinux pathname"),
742 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
743 "file", "kallsyms pathname"),
744 OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"),
745 OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
746 "load module symbols - WARNING: use only with -k and LIVE kernel"),
747 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
748 "Show a column with the number of samples"),
749 OPT_BOOLEAN('T', "threads", &report.show_threads,
750 "Show per-thread event counters"),
751 OPT_STRING(0, "pretty", &report.pretty_printing_style, "key",
752 "pretty printing style key: normal raw"),
753 OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"),
754 OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"),
755 OPT_BOOLEAN(0, "stdio", &report.use_stdio,
756 "Use the stdio interface"),
757 OPT_BOOLEAN(0, "header", &report.header, "Show data header."),
758 OPT_BOOLEAN(0, "header-only", &report.header_only,
759 "Show only data header."),
760 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
761 "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline,"
762 " dso_to, dso_from, symbol_to, symbol_from, mispredict,"
763 " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, "
764 "snoop, locked, abort, in_tx, transaction"),
765 OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
766 "Show sample percentage for different cpu modes"),
767 OPT_STRING('p', "parent", &parent_pattern, "regex",
768 "regex filter to identify parent, see: '--sort parent'"),
769 OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
770 "Only display entries with parent-match"),
771 OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order",
772 "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). "
773 "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt),
774 OPT_INTEGER(0, "max-stack", &report.max_stack,
775 "Set the maximum stack depth when parsing the callchain, "
776 "anything beyond the specified depth will be ignored. "
777 "Default: " __stringify(PERF_MAX_STACK_DEPTH)),
778 OPT_BOOLEAN('G', "inverted", &report.inverted_callchain,
779 "alias for inverted call graph"),
780 OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
781 "ignore callees of these functions in call graphs",
782 report_parse_ignore_callees_opt),
783 OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
784 "only consider symbols in these dsos"),
785 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
786 "only consider symbols in these comms"),
787 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
788 "only consider these symbols"),
789 OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter",
790 "only show symbols that (partially) match with this filter"),
791 OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
793 "don't try to adjust column width, use these fixed values"),
794 OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
795 "separator for columns, no spaces will be added between "
796 "columns '.' is reserved."),
797 OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved,
798 "Only display entries resolved to a symbol"),
799 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
800 "Look for files with symbols relative to this directory"),
801 OPT_STRING('C', "cpu", &report.cpu_list, "cpu",
802 "list of cpus to profile"),
803 OPT_BOOLEAN('I', "show-info", &report.show_full_info,
804 "Display extended information about perf.data file"),
805 OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src,
806 "Interleave source code with assembly code (default)"),
807 OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw,
808 "Display raw encoding of assembly instructions (default)"),
809 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
810 "Specify disassembler style (e.g. -M intel for intel syntax)"),
811 OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
812 "Show a column with the sum of periods"),
813 OPT_BOOLEAN(0, "group", &symbol_conf.event_group,
814 "Show event group information together"),
815 OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "",
816 "use branch records for histogram filling", parse_branch_mode),
817 OPT_STRING(0, "objdump", &objdump_path, "path",
818 "objdump binary to use for disassembly and annotations"),
819 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
820 "Disable symbol demangling"),
821 OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
822 OPT_CALLBACK(0, "percent-limit", &report, "percent",
823 "Don't show entries under that percent", parse_percent_limit),
826 struct perf_data_file file = {
827 .mode = PERF_DATA_MODE_READ,
830 perf_config(report__config, &report);
832 argc = parse_options(argc, argv, options, report_usage, 0);
834 if (report.use_stdio)
836 else if (report.use_tui)
838 else if (report.use_gtk)
841 if (report.inverted_callchain)
842 callchain_param.order = ORDER_CALLER;
844 if (!input_name || !strlen(input_name)) {
845 if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
848 input_name = "perf.data";
851 file.path = input_name;
852 file.force = report.force;
855 session = perf_session__new(&file, false, &report.tool);
859 report.session = session;
861 has_br_stack = perf_header__has_feat(&session->header,
862 HEADER_BRANCH_STACK);
864 if (branch_mode == -1 && has_br_stack)
865 sort__mode = SORT_MODE__BRANCH;
867 /* sort__mode could be NORMAL if --no-branch-stack */
868 if (sort__mode == SORT_MODE__BRANCH) {
870 * if no sort_order is provided, then specify
871 * branch-mode specific order
873 if (sort_order == default_sort_order)
874 sort_order = "comm,dso_from,symbol_from,"
878 if (report.mem_mode) {
879 if (sort__mode == SORT_MODE__BRANCH) {
880 pr_err("branch and mem mode incompatible\n");
883 sort__mode = SORT_MODE__MEMORY;
886 * if no sort_order is provided, then specify
887 * branch-mode specific order
889 if (sort_order == default_sort_order)
890 sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
893 if (setup_sorting() < 0) {
894 parse_options_usage(report_usage, options, "s", 1);
898 if (parent_pattern != default_parent_pattern) {
899 if (sort_dimension__add("parent") < 0)
903 /* Force tty output for header output. */
904 if (report.header || report.header_only)
907 if (strcmp(input_name, "-") != 0)
914 if (report.header || report.header_only) {
915 perf_session__fprintf_info(session, stdout,
916 report.show_full_info);
917 if (report.header_only)
919 } else if (use_browser == 0) {
920 fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n",
925 * Only in the TUI browser we are doing integrated annotation,
926 * so don't allocate extra space that won't be used in the stdio
929 if (use_browser == 1 && sort__has_sym) {
930 symbol_conf.priv_size = sizeof(struct annotation);
931 machines__set_symbol_filter(&session->machines,
932 symbol__annotate_init);
934 * For searching by name on the "Browse map details".
935 * providing it only in verbose mode not to bloat too
936 * much struct symbol.
940 * XXX: Need to provide a less kludgy way to ask for
941 * more space per symbol, the u32 is for the index on
943 * See symbol__browser_index.
945 symbol_conf.priv_size += sizeof(u32);
946 symbol_conf.sort_by_name = true;
950 if (symbol__init() < 0)
955 * Special case: if there's an argument left then assume that
956 * it's a symbol filter:
959 usage_with_options(report_usage, options);
961 report.symbol_filter_str = argv[0];
964 sort__setup_elide(stdout);
966 ret = __cmd_report(&report);
967 if (ret == K_SWITCH_INPUT_DATA) {
968 perf_session__delete(session);
974 perf_session__delete(session);