| /* |
| * 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 <linux/list.h> |
| #include <linux/rbtree.h> |
| #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 <dlfcn.h> |
| #include <linux/bitmap.h> |
| |
| 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; |
| 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; |
| DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
| }; |
| |
| static int report__config(const char *var, const char *value, void *cb) |
| { |
| if (!strcmp(var, "report.group")) { |
| symbol_conf.event_group = perf_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "report.percent-limit")) { |
| struct report *rep = cb; |
| rep->min_percent = strtof(value, NULL); |
| return 0; |
| } |
| |
| return perf_default_config(var, value, cb); |
| } |
| |
| static int report__resolve_callchain(struct report *rep, struct symbol **parent, |
| struct perf_evsel *evsel, struct addr_location *al, |
| struct perf_sample *sample, struct machine *machine) |
| { |
| if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { |
| return machine__resolve_callchain(machine, evsel, al->thread, sample, |
| parent, al, rep->max_stack); |
| } |
| return 0; |
| } |
| |
| static int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample) |
| { |
| if (!symbol_conf.use_callchain) |
| return 0; |
| return callchain_append(he->callchain, &callchain_cursor, sample->period); |
| } |
| |
| static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al, |
| struct perf_sample *sample, struct perf_evsel *evsel, |
| struct machine *machine, union perf_event *event) |
| { |
| struct report *rep = container_of(tool, struct report, tool); |
| struct symbol *parent = NULL; |
| u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| struct hist_entry *he; |
| struct mem_info *mi, *mx; |
| uint64_t cost; |
| int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); |
| |
| if (err) |
| return err; |
| |
| mi = machine__resolve_mem(machine, al->thread, sample, cpumode); |
| if (!mi) |
| return -ENOMEM; |
| |
| if (rep->hide_unresolved && !al->sym) |
| return 0; |
| |
| cost = sample->weight; |
| if (!cost) |
| cost = 1; |
| |
| /* |
| * must pass period=weight in order to get the correct |
| * sorting from hists__collapse_resort() which is solely |
| * based on periods. We want sorting be done on nr_events * weight |
| * and this is indirectly achieved by passing period=weight here |
| * and the he_stat__add_period() function. |
| */ |
| he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi, |
| cost, cost, 0); |
| if (!he) |
| return -ENOMEM; |
| |
| err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); |
| if (err) |
| goto out; |
| |
| mx = he->mem_info; |
| err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx); |
| if (err) |
| goto out; |
| |
| evsel->hists.stats.total_period += cost; |
| hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| err = hist_entry__append_callchain(he, sample); |
| out: |
| return err; |
| } |
| |
| static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_location *al, |
| struct perf_sample *sample, struct perf_evsel *evsel, |
| struct machine *machine) |
| { |
| struct report *rep = container_of(tool, struct report, tool); |
| struct symbol *parent = NULL; |
| unsigned i; |
| struct hist_entry *he; |
| struct branch_info *bi, *bx; |
| int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); |
| |
| if (err) |
| return err; |
| |
| bi = machine__resolve_bstack(machine, al->thread, |
| sample->branch_stack); |
| if (!bi) |
| return -ENOMEM; |
| |
| for (i = 0; i < sample->branch_stack->nr; i++) { |
| if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) |
| continue; |
| |
| err = -ENOMEM; |
| |
| /* overwrite the 'al' to branch-to info */ |
| al->map = bi[i].to.map; |
| al->sym = bi[i].to.sym; |
| al->addr = bi[i].to.addr; |
| /* |
| * The report shows the percentage of total branches captured |
| * and not events sampled. Thus we use a pseudo period of 1. |
| */ |
| he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, |
| 1, 1, 0); |
| if (he) { |
| bx = he->branch_info; |
| err = addr_map_symbol__inc_samples(&bx->from, evsel->idx); |
| if (err) |
| goto out; |
| |
| err = addr_map_symbol__inc_samples(&bx->to, evsel->idx); |
| if (err) |
| goto out; |
| |
| evsel->hists.stats.total_period += 1; |
| hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| } else |
| goto out; |
| } |
| err = 0; |
| out: |
| free(bi); |
| return err; |
| } |
| |
| static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evsel, |
| struct addr_location *al, struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct report *rep = container_of(tool, struct report, tool); |
| struct symbol *parent = NULL; |
| struct hist_entry *he; |
| int err = report__resolve_callchain(rep, &parent, evsel, al, sample, machine); |
| |
| if (err) |
| return err; |
| |
| he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL, |
| sample->period, sample->weight, |
| sample->transaction); |
| if (he == NULL) |
| return -ENOMEM; |
| |
| err = hist_entry__append_callchain(he, sample); |
| if (err) |
| goto out; |
| |
| err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); |
| evsel->hists.stats.total_period += sample->period; |
| hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 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; |
| int ret; |
| |
| if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
| fprintf(stderr, "problem processing %d event, skipping it.\n", |
| event->header.type); |
| return -1; |
| } |
| |
| if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) |
| return 0; |
| |
| if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
| return 0; |
| |
| if (sort__mode == SORT_MODE__BRANCH) { |
| ret = report__add_branch_hist_entry(tool, &al, sample, evsel, machine); |
| if (ret < 0) |
| pr_debug("problem adding lbr entry, skipping event\n"); |
| } else if (rep->mem_mode == 1) { |
| ret = report__add_mem_hist_entry(tool, &al, sample, evsel, machine, event); |
| if (ret < 0) |
| pr_debug("problem adding mem entry, skipping event\n"); |
| } else { |
| if (al.map != NULL) |
| al.map->dso->hit = 1; |
| |
| ret = report__add_hist_entry(tool, evsel, &al, sample, machine); |
| if (ret < 0) |
| pr_debug("problem incrementing symbol period, skipping event\n"); |
| } |
| 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 (!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 but no callchain data. Did " |
| "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 (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; |
| } |
| } |
| |
| 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); |
| |
| 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) { |
| 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 (rep->mem_mode) { |
| ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); |
| ret += fprintf(fp, "\n# Sort order : %s", sort_order); |
| } else |
| ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); |
| 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; |
| |
| list_for_each_entry(pos, &evlist->entries, node) { |
| struct hists *hists = &pos->hists; |
| 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 == default_sort_order && |
| 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 int __cmd_report(struct report *rep) |
| { |
| int ret = -EINVAL; |
| u64 nr_samples; |
| struct perf_session *session = rep->session; |
| struct perf_evsel *pos; |
| struct map *kernel_map; |
| struct kmap *kernel_kmap; |
| const char *help = "For a higher level overview, try: perf report --sort comm,dso"; |
| struct ui_progress prog; |
| 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, &rep->tool); |
| if (ret) |
| return ret; |
| |
| kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; |
| kernel_kmap = map__kmap(kernel_map); |
| 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); |
| } |
| |
| 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); |
| return 0; |
| } |
| |
| nr_samples = 0; |
| list_for_each_entry(pos, &session->evlist->entries, node) |
| nr_samples += pos->hists.nr_entries; |
| |
| ui_progress__init(&prog, nr_samples, "Merging related events..."); |
| |
| nr_samples = 0; |
| list_for_each_entry(pos, &session->evlist->entries, node) { |
| struct hists *hists = &pos->hists; |
| |
| if (pos->idx == 0) |
| hists->symbol_filter_str = rep->symbol_filter_str; |
| |
| hists__collapse_resort(hists, &prog); |
| nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
| |
| /* Non-group events are considered as leader */ |
| if (symbol_conf.event_group && |
| !perf_evsel__is_group_leader(pos)) { |
| struct hists *leader_hists = &pos->leader->hists; |
| |
| hists__match(leader_hists, hists); |
| hists__link(leader_hists, hists); |
| } |
| } |
| ui_progress__finish(); |
| |
| if (session_done()) |
| return 0; |
| |
| if (nr_samples == 0) { |
| ui__error("The %s file has no samples!\n", file->path); |
| return 0; |
| } |
| |
| list_for_each_entry(pos, &session->evlist->entries, node) |
| hists__output_resort(&pos->hists); |
| |
| if (use_browser > 0) { |
| if (use_browser == 1) { |
| ret = perf_evlist__tui_browse_hists(session->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; |
| |
| } else if (use_browser == 2) { |
| int (*hist_browser)(struct perf_evlist *, |
| const char *, |
| struct hist_browser_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 ret; |
| } |
| hist_browser(session->evlist, help, NULL, |
| rep->min_percent); |
| } |
| } else |
| perf_evlist__tty_browse_hists(session->evlist, rep, help); |
| |
| return ret; |
| } |
| |
| static int |
| parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
| { |
| struct report *rep = (struct report *)opt->value; |
| char *tok, *tok2; |
| char *endptr; |
| |
| /* |
| * --no-call-graph |
| */ |
| if (unset) { |
| rep->dont_use_callchains = true; |
| return 0; |
| } |
| |
| symbol_conf.use_callchain = true; |
| |
| if (!arg) |
| return 0; |
| |
| tok = strtok((char *)arg, ","); |
| if (!tok) |
| return -1; |
| |
| /* get the output mode */ |
| if (!strncmp(tok, "graph", strlen(arg))) |
| callchain_param.mode = CHAIN_GRAPH_ABS; |
| |
| else if (!strncmp(tok, "flat", strlen(arg))) |
| callchain_param.mode = CHAIN_FLAT; |
| |
| else if (!strncmp(tok, "fractal", strlen(arg))) |
| callchain_param.mode = CHAIN_GRAPH_REL; |
| |
| else if (!strncmp(tok, "none", strlen(arg))) { |
| callchain_param.mode = CHAIN_NONE; |
| symbol_conf.use_callchain = false; |
| |
| return 0; |
| } |
| |
| else |
| return -1; |
| |
| /* get the min percentage */ |
| tok = strtok(NULL, ","); |
| if (!tok) |
| goto setup; |
| |
| callchain_param.min_percent = strtod(tok, &endptr); |
| if (tok == endptr) |
| return -1; |
| |
| /* get the print limit */ |
| tok2 = strtok(NULL, ","); |
| if (!tok2) |
| goto setup; |
| |
| if (tok2[0] != 'c') { |
| callchain_param.print_limit = strtoul(tok2, &endptr, 0); |
| tok2 = strtok(NULL, ","); |
| if (!tok2) |
| goto setup; |
| } |
| |
| /* get the call chain order */ |
| if (!strncmp(tok2, "caller", strlen("caller"))) |
| callchain_param.order = ORDER_CALLER; |
| else if (!strncmp(tok2, "callee", strlen("callee"))) |
| callchain_param.order = ORDER_CALLEE; |
| else |
| return -1; |
| |
| /* Get the sort key */ |
| tok2 = strtok(NULL, ","); |
| if (!tok2) |
| goto setup; |
| if (!strncmp(tok2, "function", strlen("function"))) |
| callchain_param.key = CCKEY_FUNCTION; |
| else if (!strncmp(tok2, "address", strlen("address"))) |
| callchain_param.key = CCKEY_ADDRESS; |
| else |
| return -1; |
| setup: |
| if (callchain_register_param(&callchain_param) < 0) { |
| fprintf(stderr, "Can't register callchain params\n"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| 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 stat st; |
| bool has_br_stack = false; |
| int branch_mode = -1; |
| int ret = -1; |
| char callchain_default_opt[] = "fractal,0.5,callee"; |
| const char * const report_usage[] = { |
| "perf report [<options>]", |
| 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, |
| .ordered_samples = true, |
| .ordering_requires_timestamps = true, |
| }, |
| .max_stack = PERF_MAX_STACK_DEPTH, |
| .pretty_printing_style = "normal", |
| }; |
| 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," |
| " dso_to, dso_from, symbol_to, symbol_from, mispredict," |
| " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, " |
| "snoop, locked, abort, in_tx, transaction"), |
| 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", |
| "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " |
| "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt), |
| 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('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('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 histogram filling", parse_branch_mode), |
| 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, "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_END() |
| }; |
| struct perf_data_file file = { |
| .mode = PERF_DATA_MODE_READ, |
| }; |
| |
| perf_config(report__config, &report); |
| |
| argc = parse_options(argc, argv, options, report_usage, 0); |
| |
| 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 -ENOMEM; |
| |
| report.session = session; |
| |
| has_br_stack = perf_header__has_feat(&session->header, |
| HEADER_BRANCH_STACK); |
| |
| if (branch_mode == -1 && has_br_stack) |
| sort__mode = SORT_MODE__BRANCH; |
| |
| /* sort__mode could be NORMAL if --no-branch-stack */ |
| if (sort__mode == SORT_MODE__BRANCH) { |
| /* |
| * if no sort_order is provided, then specify |
| * branch-mode specific order |
| */ |
| if (sort_order == default_sort_order) |
| sort_order = "comm,dso_from,symbol_from," |
| "dso_to,symbol_to"; |
| |
| } |
| if (report.mem_mode) { |
| if (sort__mode == SORT_MODE__BRANCH) { |
| fprintf(stderr, "branch and mem mode incompatible\n"); |
| goto error; |
| } |
| sort__mode = SORT_MODE__MEMORY; |
| |
| /* |
| * if no sort_order is provided, then specify |
| * branch-mode specific order |
| */ |
| if (sort_order == default_sort_order) |
| sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked"; |
| } |
| |
| if (setup_sorting() < 0) { |
| parse_options_usage(report_usage, options, "s", 1); |
| goto error; |
| } |
| |
| if (parent_pattern != default_parent_pattern) { |
| if (sort_dimension__add("parent") < 0) |
| goto error; |
| } |
| |
| /* Force tty output for header output. */ |
| if (report.header || report.header_only) |
| use_browser = 0; |
| |
| if (strcmp(input_name, "-") != 0) |
| setup_browser(true); |
| else { |
| use_browser = 0; |
| perf_hpp__init(); |
| } |
| |
| if (report.header || report.header_only) { |
| perf_session__fprintf_info(session, stdout, |
| report.show_full_info); |
| if (report.header_only) |
| return 0; |
| } 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 (use_browser == 1 && sort__has_sym) { |
| 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() < 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; |
| } |