/* * builtin-report.c * * Builtin report command: Analyze the perf.data input file, * look up and read DSOs and symbol information and display * a histogram of results, along various sorting keys. */ #include "builtin.h" #include "util/util.h" #include "util/cache.h" #include "util/annotate.h" #include "util/color.h" #include #include #include "util/symbol.h" #include "util/callchain.h" #include "util/strlist.h" #include "util/values.h" #include "perf.h" #include "util/debug.h" #include "util/evlist.h" #include "util/evsel.h" #include "util/header.h" #include "util/session.h" #include "util/tool.h" #include "util/parse-options.h" #include "util/parse-events.h" #include "util/thread.h" #include "util/sort.h" #include "util/hist.h" #include "util/data.h" #include "arch/common.h" #include "util/auxtrace.h" #include #include struct report { struct perf_tool tool; struct perf_session *session; bool force, use_tui, use_gtk, use_stdio; bool hide_unresolved; bool dont_use_callchains; bool show_full_info; bool show_threads; bool inverted_callchain; bool mem_mode; bool header; bool header_only; bool nonany_branch_mode; int max_stack; struct perf_read_values show_threads_values; const char *pretty_printing_style; const char *cpu_list; const char *symbol_filter_str; float min_percent; u64 nr_entries; u64 queue_size; int socket_filter; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); }; static int report__config(const char *var, const char *value, void *cb) { struct report *rep = cb; if (!strcmp(var, "report.group")) { symbol_conf.event_group = perf_config_bool(var, value); return 0; } if (!strcmp(var, "report.percent-limit")) { rep->min_percent = strtof(value, NULL); return 0; } if (!strcmp(var, "report.children")) { symbol_conf.cumulate_callchain = perf_config_bool(var, value); return 0; } if (!strcmp(var, "report.queue-size")) { rep->queue_size = perf_config_u64(var, value); return 0; } return perf_default_config(var, value, cb); } static int hist_iter__report_callback(struct hist_entry_iter *iter, struct addr_location *al, bool single, void *arg) { int err = 0; struct report *rep = arg; struct hist_entry *he = iter->he; struct perf_evsel *evsel = iter->evsel; struct mem_info *mi; struct branch_info *bi; if (!ui__has_annotation()) return 0; hist__account_cycles(iter->sample->branch_stack, al, iter->sample, rep->nonany_branch_mode); if (sort__mode == SORT_MODE__BRANCH) { bi = he->branch_info; err = addr_map_symbol__inc_samples(&bi->from, evsel->idx); if (err) goto out; err = addr_map_symbol__inc_samples(&bi->to, evsel->idx); } else if (rep->mem_mode) { mi = he->mem_info; err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx); if (err) goto out; err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } else if (symbol_conf.cumulate_callchain) { if (single) err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } else { err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); } out: return err; } static int process_sample_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, struct machine *machine) { struct report *rep = container_of(tool, struct report, tool); struct addr_location al; struct hist_entry_iter iter = { .evsel = evsel, .sample = sample, .hide_unresolved = rep->hide_unresolved, .add_entry_cb = hist_iter__report_callback, }; int ret = 0; if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); return -1; } if (rep->hide_unresolved && al.sym == NULL) goto out_put; if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) goto out_put; if (sort__mode == SORT_MODE__BRANCH) iter.ops = &hist_iter_branch; else if (rep->mem_mode) iter.ops = &hist_iter_mem; else if (symbol_conf.cumulate_callchain) iter.ops = &hist_iter_cumulative; else iter.ops = &hist_iter_normal; if (al.map != NULL) al.map->dso->hit = 1; ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); if (ret < 0) pr_debug("problem adding hist entry, skipping event\n"); out_put: addr_location__put(&al); return ret; } static int process_read_event(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct perf_evsel *evsel, struct machine *machine __maybe_unused) { struct report *rep = container_of(tool, struct report, tool); if (rep->show_threads) { const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, event->read.id, name, event->read.value); } dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, evsel ? perf_evsel__name(evsel) : "FAIL", event->read.value); return 0; } /* For pipe mode, sample_type is not currently set */ static int report__setup_sample_type(struct report *rep) { struct perf_session *session = rep->session; u64 sample_type = perf_evlist__combined_sample_type(session->evlist); bool is_pipe = perf_data_file__is_pipe(session->file); if (session->itrace_synth_opts->callchain || (!is_pipe && perf_header__has_feat(&session->header, HEADER_AUXTRACE) && !session->itrace_synth_opts->set)) sample_type |= PERF_SAMPLE_CALLCHAIN; if (session->itrace_synth_opts->last_branch) sample_type |= PERF_SAMPLE_BRANCH_STACK; if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { if (sort__has_parent) { ui__error("Selected --sort parent, but no " "callchain data. Did you call " "'perf record' without -g?\n"); return -EINVAL; } if (symbol_conf.use_callchain) { ui__error("Selected -g or --branch-history but no " "callchain data. Did\n" "you call 'perf record' without -g?\n"); return -1; } } else if (!rep->dont_use_callchains && callchain_param.mode != CHAIN_NONE && !symbol_conf.use_callchain) { symbol_conf.use_callchain = true; if (callchain_register_param(&callchain_param) < 0) { ui__error("Can't register callchain params.\n"); return -EINVAL; } } if (symbol_conf.cumulate_callchain) { /* Silently ignore if callchain is missing */ if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { symbol_conf.cumulate_callchain = false; perf_hpp__cancel_cumulate(); } } if (sort__mode == SORT_MODE__BRANCH) { if (!is_pipe && !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { ui__error("Selected -b but no branch data. " "Did you call perf record without -b?\n"); return -1; } } if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { if ((sample_type & PERF_SAMPLE_REGS_USER) && (sample_type & PERF_SAMPLE_STACK_USER)) callchain_param.record_mode = CALLCHAIN_DWARF; else if (sample_type & PERF_SAMPLE_BRANCH_STACK) callchain_param.record_mode = CALLCHAIN_LBR; else callchain_param.record_mode = CALLCHAIN_FP; } /* ??? handle more cases than just ANY? */ if (!(perf_evlist__combined_branch_type(session->evlist) & PERF_SAMPLE_BRANCH_ANY)) rep->nonany_branch_mode = true; return 0; } static void sig_handler(int sig __maybe_unused) { session_done = 1; } static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, const char *evname, FILE *fp) { size_t ret; char unit; unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; u64 nr_events = hists->stats.total_period; struct perf_evsel *evsel = hists_to_evsel(hists); char buf[512]; size_t size = sizeof(buf); int socked_id = hists->socket_filter; if (symbol_conf.filter_relative) { nr_samples = hists->stats.nr_non_filtered_samples; nr_events = hists->stats.total_non_filtered_period; } if (perf_evsel__is_group_event(evsel)) { struct perf_evsel *pos; perf_evsel__group_desc(evsel, buf, size); evname = buf; for_each_group_member(pos, evsel) { const struct hists *pos_hists = evsel__hists(pos); if (symbol_conf.filter_relative) { nr_samples += pos_hists->stats.nr_non_filtered_samples; nr_events += pos_hists->stats.total_non_filtered_period; } else { nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; nr_events += pos_hists->stats.total_period; } } } nr_samples = convert_unit(nr_samples, &unit); ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); if (evname != NULL) ret += fprintf(fp, " of event '%s'", evname); if (symbol_conf.show_ref_callgraph && strstr(evname, "call-graph=no")) { ret += fprintf(fp, ", show reference callgraph"); } if (rep->mem_mode) { ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); } else ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); if (socked_id > -1) ret += fprintf(fp, "\n# Processor Socket: %d", socked_id); return ret + fprintf(fp, "\n#\n"); } static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, struct report *rep, const char *help) { struct perf_evsel *pos; fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples); evlist__for_each(evlist, pos) { struct hists *hists = evsel__hists(pos); const char *evname = perf_evsel__name(pos); if (symbol_conf.event_group && !perf_evsel__is_group_leader(pos)) continue; hists__fprintf_nr_sample_events(hists, rep, evname, stdout); hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); fprintf(stdout, "\n\n"); } if (sort_order == NULL && parent_pattern == default_parent_pattern) fprintf(stdout, "#\n# (%s)\n#\n", help); if (rep->show_threads) { bool style = !strcmp(rep->pretty_printing_style, "raw"); perf_read_values_display(stdout, &rep->show_threads_values, style); perf_read_values_destroy(&rep->show_threads_values); } return 0; } static void report__warn_kptr_restrict(const struct report *rep) { struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; if (kernel_map == NULL || (kernel_map->dso->hit && (kernel_kmap->ref_reloc_sym == NULL || kernel_kmap->ref_reloc_sym->addr == 0))) { const char *desc = "As no suitable kallsyms nor vmlinux was found, kernel samples\n" "can't be resolved."; if (kernel_map) { const struct dso *kdso = kernel_map->dso; if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { desc = "If some relocation was applied (e.g. " "kexec) symbols may be misresolved."; } } ui__warning( "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" "Samples in kernel modules can't be resolved as well.\n\n", desc); } } static int report__gtk_browse_hists(struct report *rep, const char *help) { int (*hist_browser)(struct perf_evlist *evlist, const char *help, struct hist_browser_timer *timer, float min_pcnt); hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); if (hist_browser == NULL) { ui__error("GTK browser not found!\n"); return -1; } return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); } static int report__browse_hists(struct report *rep) { int ret; struct perf_session *session = rep->session; struct perf_evlist *evlist = session->evlist; const char *help = "For a higher level overview, try: perf report --sort comm,dso"; switch (use_browser) { case 1: ret = perf_evlist__tui_browse_hists(evlist, help, NULL, rep->min_percent, &session->header.env); /* * Usually "ret" is the last pressed key, and we only * care if the key notifies us to switch data file. */ if (ret != K_SWITCH_INPUT_DATA) ret = 0; break; case 2: ret = report__gtk_browse_hists(rep, help); break; default: ret = perf_evlist__tty_browse_hists(evlist, rep, help); break; } return ret; } static void report__collapse_hists(struct report *rep) { struct ui_progress prog; struct perf_evsel *pos; ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); evlist__for_each(rep->session->evlist, pos) { struct hists *hists = evsel__hists(pos); if (pos->idx == 0) hists->symbol_filter_str = rep->symbol_filter_str; hists->socket_filter = rep->socket_filter; hists__collapse_resort(hists, &prog); /* Non-group events are considered as leader */ if (symbol_conf.event_group && !perf_evsel__is_group_leader(pos)) { struct hists *leader_hists = evsel__hists(pos->leader); hists__match(leader_hists, hists); hists__link(leader_hists, hists); } } ui_progress__finish(); } static void report__output_resort(struct report *rep) { struct ui_progress prog; struct perf_evsel *pos; ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); evlist__for_each(rep->session->evlist, pos) hists__output_resort(evsel__hists(pos), &prog); ui_progress__finish(); } static int __cmd_report(struct report *rep) { int ret; struct perf_session *session = rep->session; struct perf_evsel *pos; struct perf_data_file *file = session->file; signal(SIGINT, sig_handler); if (rep->cpu_list) { ret = perf_session__cpu_bitmap(session, rep->cpu_list, rep->cpu_bitmap); if (ret) return ret; } if (rep->show_threads) perf_read_values_init(&rep->show_threads_values); ret = report__setup_sample_type(rep); if (ret) return ret; ret = perf_session__process_events(session); if (ret) return ret; report__warn_kptr_restrict(rep); evlist__for_each(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (use_browser == 0) { if (verbose > 3) perf_session__fprintf(session, stdout); if (verbose > 2) perf_session__fprintf_dsos(session, stdout); if (dump_trace) { perf_session__fprintf_nr_events(session, stdout); perf_evlist__fprintf_nr_events(session->evlist, stdout); return 0; } } report__collapse_hists(rep); if (session_done()) return 0; /* * recalculate number of entries after collapsing since it * might be changed during the collapse phase. */ rep->nr_entries = 0; evlist__for_each(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (rep->nr_entries == 0) { ui__error("The %s file has no samples!\n", file->path); return 0; } report__output_resort(rep); return report__browse_hists(rep); } static int report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) { struct report *rep = (struct report *)opt->value; /* * --no-call-graph */ if (unset) { rep->dont_use_callchains = true; return 0; } return parse_callchain_report_opt(arg); } int report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, const char *arg, int unset __maybe_unused) { if (arg) { int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); if (err) { char buf[BUFSIZ]; regerror(err, &ignore_callees_regex, buf, sizeof(buf)); pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); return -1; } have_ignore_callees = 1; } return 0; } static int parse_branch_mode(const struct option *opt __maybe_unused, const char *str __maybe_unused, int unset) { int *branch_mode = opt->value; *branch_mode = !unset; return 0; } static int parse_percent_limit(const struct option *opt, const char *str, int unset __maybe_unused) { struct report *rep = opt->value; rep->min_percent = strtof(str, NULL); return 0; } int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_session *session; struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; struct stat st; bool has_br_stack = false; int branch_mode = -1; bool branch_call_mode = false; char callchain_default_opt[] = "fractal,0.5,callee"; const char * const report_usage[] = { "perf report []", NULL }; struct report report = { .tool = { .sample = process_sample_event, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, .comm = perf_event__process_comm, .exit = perf_event__process_exit, .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, .attr = perf_event__process_attr, .tracing_data = perf_event__process_tracing_data, .build_id = perf_event__process_build_id, .id_index = perf_event__process_id_index, .auxtrace_info = perf_event__process_auxtrace_info, .auxtrace = perf_event__process_auxtrace, .ordered_events = true, .ordering_requires_timestamps = true, }, .max_stack = PERF_MAX_STACK_DEPTH, .pretty_printing_style = "normal", .socket_filter = -1, }; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, "file", "kallsyms pathname"), OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, "Show a column with the number of samples"), OPT_BOOLEAN('T', "threads", &report.show_threads, "Show per-thread event counters"), OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", "pretty printing style key: normal raw"), OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), OPT_BOOLEAN(0, "stdio", &report.use_stdio, "Use the stdio interface"), OPT_BOOLEAN(0, "header", &report.header, "Show data header."), OPT_BOOLEAN(0, "header-only", &report.header_only, "Show only data header."), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." " Please refer the man page for the complete list."), OPT_STRING('F', "fields", &field_order, "key[,keys...]", "output field(s): overhead, period, sample plus all of sort keys"), OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes"), OPT_STRING('p', "parent", &parent_pattern, "regex", "regex filter to identify parent, see: '--sort parent'"), OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, "Only display entries with parent-match"), OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]", "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. " "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, "Accumulate callchains of children and show total overhead as well"), OPT_INTEGER(0, "max-stack", &report.max_stack, "Set the maximum stack depth when parsing the callchain, " "anything beyond the specified depth will be ignored. " "Default: " __stringify(PERF_MAX_STACK_DEPTH)), OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, "alias for inverted call graph"), OPT_CALLBACK(0, "ignore-callees", NULL, "regex", "ignore callees of these functions in call graphs", report_parse_ignore_callees_opt), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", "only consider symbols in these dsos"), OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", "only consider symbols in these comms"), OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", "only consider symbols in these pids"), OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", "only consider symbols in these tids"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", "only show symbols that (partially) match with this filter"), OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, "width[,width...]", "don't try to adjust column width, use these fixed values"), OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", "separator for columns, no spaces will be added between " "columns '.' is reserved."), OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, "Only display entries resolved to a symbol"), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), OPT_STRING('C', "cpu", &report.cpu_list, "cpu", "list of cpus to profile"), OPT_BOOLEAN('I', "show-info", &report.show_full_info, "Display extended information about perf.data file"), OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, "Interleave source code with assembly code (default)"), OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, "Display raw encoding of assembly instructions (default)"), OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, "Show a column with the sum of periods"), OPT_BOOLEAN(0, "group", &symbol_conf.event_group, "Show event group information together"), OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", "use branch records for per branch histogram filling", parse_branch_mode), OPT_BOOLEAN(0, "branch-history", &branch_call_mode, "add last branch records to call history"), OPT_STRING(0, "objdump", &objdump_path, "path", "objdump binary to use for disassembly and annotations"), OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, "Disable symbol demangling"), OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), OPT_CALLBACK(0, "percent-limit", &report, "percent", "Don't show entries under that percent", parse_percent_limit), OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", "how to display percentage of filtered entries", parse_filter_percentage), OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", "Instruction Tracing options", itrace_parse_synth_opts), OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, "Show full source file name path for source lines"), OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, "Show callgraph from reference event"), OPT_INTEGER(0, "socket-filter", &report.socket_filter, "only show processor socket that match with this filter"), OPT_END() }; struct perf_data_file file = { .mode = PERF_DATA_MODE_READ, }; int ret = hists__init(); if (ret < 0) return ret; perf_config(report__config, &report); argc = parse_options(argc, argv, options, report_usage, 0); if (symbol_conf.vmlinux_name && access(symbol_conf.vmlinux_name, R_OK)) { pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); return -EINVAL; } if (symbol_conf.kallsyms_name && access(symbol_conf.kallsyms_name, R_OK)) { pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); return -EINVAL; } if (report.use_stdio) use_browser = 0; else if (report.use_tui) use_browser = 1; else if (report.use_gtk) use_browser = 2; if (report.inverted_callchain) callchain_param.order = ORDER_CALLER; if (!input_name || !strlen(input_name)) { if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) input_name = "-"; else input_name = "perf.data"; } file.path = input_name; file.force = report.force; repeat: session = perf_session__new(&file, false, &report.tool); if (session == NULL) return -1; if (report.queue_size) { ordered_events__set_alloc_size(&session->ordered_events, report.queue_size); } session->itrace_synth_opts = &itrace_synth_opts; report.session = session; has_br_stack = perf_header__has_feat(&session->header, HEADER_BRANCH_STACK); /* * Branch mode is a tristate: * -1 means default, so decide based on the file having branch data. * 0/1 means the user chose a mode. */ if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && !branch_call_mode) { sort__mode = SORT_MODE__BRANCH; symbol_conf.cumulate_callchain = false; } if (branch_call_mode) { callchain_param.key = CCKEY_ADDRESS; callchain_param.branch_callstack = 1; symbol_conf.use_callchain = true; callchain_register_param(&callchain_param); if (sort_order == NULL) sort_order = "srcline,symbol,dso"; } if (report.mem_mode) { if (sort__mode == SORT_MODE__BRANCH) { pr_err("branch and mem mode incompatible\n"); goto error; } sort__mode = SORT_MODE__MEMORY; symbol_conf.cumulate_callchain = false; } if (setup_sorting() < 0) { if (sort_order) parse_options_usage(report_usage, options, "s", 1); if (field_order) parse_options_usage(sort_order ? NULL : report_usage, options, "F", 1); goto error; } /* Force tty output for header output and per-thread stat. */ if (report.header || report.header_only || report.show_threads) use_browser = 0; if (strcmp(input_name, "-") != 0) setup_browser(true); else use_browser = 0; if (report.header || report.header_only) { perf_session__fprintf_info(session, stdout, report.show_full_info); if (report.header_only) { ret = 0; goto error; } } else if (use_browser == 0) { fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", stdout); } /* * Only in the TUI browser we are doing integrated annotation, * so don't allocate extra space that won't be used in the stdio * implementation. */ if (ui__has_annotation()) { symbol_conf.priv_size = sizeof(struct annotation); machines__set_symbol_filter(&session->machines, symbol__annotate_init); /* * For searching by name on the "Browse map details". * providing it only in verbose mode not to bloat too * much struct symbol. */ if (verbose) { /* * XXX: Need to provide a less kludgy way to ask for * more space per symbol, the u32 is for the index on * the ui browser. * See symbol__browser_index. */ symbol_conf.priv_size += sizeof(u32); symbol_conf.sort_by_name = true; } } if (symbol__init(&session->header.env) < 0) goto error; if (argc) { /* * Special case: if there's an argument left then assume that * it's a symbol filter: */ if (argc > 1) usage_with_options(report_usage, options); report.symbol_filter_str = argv[0]; } sort__setup_elide(stdout); ret = __cmd_report(&report); if (ret == K_SWITCH_INPUT_DATA) { perf_session__delete(session); goto repeat; } else ret = 0; error: perf_session__delete(session); return ret; }