diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/perf/builtin-report.c')
| -rw-r--r-- | ANDROID_3.4.5/tools/perf/builtin-report.c | 763 |
1 files changed, 0 insertions, 763 deletions
diff --git a/ANDROID_3.4.5/tools/perf/builtin-report.c b/ANDROID_3.4.5/tools/perf/builtin-report.c deleted file mode 100644 index cdae9b2d..00000000 --- a/ANDROID_3.4.5/tools/perf/builtin-report.c +++ /dev/null @@ -1,763 +0,0 @@ -/* - * 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/annotate.h" -#include "util/color.h" -#include <linux/list.h> -#include "util/cache.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 <linux/bitmap.h> - -struct perf_report { - struct perf_tool tool; - struct perf_session *session; - char const *input_name; - 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; - struct perf_read_values show_threads_values; - const char *pretty_printing_style; - symbol_filter_t annotate_init; - const char *cpu_list; - const char *symbol_filter_str; - DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); -}; - -static int perf_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 perf_report *rep = container_of(tool, struct perf_report, tool); - struct symbol *parent = NULL; - int err = 0; - unsigned i; - struct hist_entry *he; - struct branch_info *bi, *bx; - - if ((sort__has_parent || symbol_conf.use_callchain) - && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample->callchain, &parent); - 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; - /* - * The report shows the percentage of total branches captured - * and not events sampled. Thus we use a pseudo period of 1. - */ - he = __hists__add_branch_entry(&evsel->hists, al, parent, - &bi[i], 1); - if (he) { - struct annotation *notes; - err = -ENOMEM; - bx = he->branch_info; - if (bx->from.sym && use_browser > 0) { - notes = symbol__annotation(bx->from.sym); - if (!notes->src - && symbol__alloc_hist(bx->from.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->from.sym, - bx->from.map, - evsel->idx, - bx->from.al_addr); - if (err) - goto out; - } - - if (bx->to.sym && use_browser > 0) { - notes = symbol__annotation(bx->to.sym); - if (!notes->src - && symbol__alloc_hist(bx->to.sym) < 0) - goto out; - - err = symbol__inc_addr_samples(bx->to.sym, - bx->to.map, - evsel->idx, - bx->to.al_addr); - if (err) - goto out; - } - evsel->hists.stats.total_period += 1; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); - err = 0; - } else - return -ENOMEM; - } -out: - return err; -} - -static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, - struct addr_location *al, - struct perf_sample *sample, - struct machine *machine) -{ - struct symbol *parent = NULL; - int err = 0; - struct hist_entry *he; - - if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { - err = machine__resolve_callchain(machine, evsel, al->thread, - sample->callchain, &parent); - if (err) - return err; - } - - he = __hists__add_entry(&evsel->hists, al, parent, sample->period); - if (he == NULL) - return -ENOMEM; - - if (symbol_conf.use_callchain) { - err = callchain_append(he->callchain, - &evsel->hists.callchain_cursor, - sample->period); - if (err) - return err; - } - /* - * Only in the newt browser we are doing integrated annotation, - * so we don't allocated the extra space needed because the stdio - * code will not use it. - */ - if (al->sym != NULL && use_browser > 0) { - struct annotation *notes = symbol__annotation(he->ms.sym); - - assert(evsel != NULL); - - err = -ENOMEM; - if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) - 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 perf_report *rep = container_of(tool, struct perf_report, tool); - struct addr_location al; - - if (perf_event__preprocess_sample(event, machine, &al, sample, - rep->annotate_init) < 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__branch_mode == 1) { - if (perf_report__add_branch_hist_entry(tool, &al, sample, - evsel, machine)) { - pr_debug("problem adding lbr entry, skipping event\n"); - return -1; - } - } else { - if (al.map != NULL) - al.map->dso->hit = 1; - - if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { - pr_debug("problem incrementing symbol period, skipping event\n"); - return -1; - } - } - return 0; -} - -static int process_read_event(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __used, - struct perf_evsel *evsel, - struct machine *machine __used) -{ - struct perf_report *rep = container_of(tool, struct perf_report, tool); - - if (rep->show_threads) { - const char *name = evsel ? event_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 ? event_name(evsel) : "FAIL", - event->read.value); - - return 0; -} - -static int perf_report__setup_sample_type(struct perf_report *rep) -{ - struct perf_session *self = rep->session; - - if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) { - if (sort__has_parent) { - ui__warning("Selected --sort parent, but no " - "callchain data. Did you call " - "'perf record' without -g?\n"); - return -EINVAL; - } - if (symbol_conf.use_callchain) { - ui__warning("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__warning("Can't register callchain " - "params.\n"); - return -EINVAL; - } - } - - if (sort__branch_mode == 1) { - if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) { - fprintf(stderr, "selected -b but no branch data." - " Did you call perf record without" - " -b?\n"); - return -1; - } - } - - return 0; -} - -extern volatile int session_done; - -static void sig_handler(int sig __used) -{ - session_done = 1; -} - -static size_t hists__fprintf_nr_sample_events(struct hists *self, - const char *evname, FILE *fp) -{ - size_t ret; - char unit; - unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE]; - - nr_events = convert_unit(nr_events, &unit); - ret = fprintf(fp, "# Events: %lu%c", nr_events, unit); - if (evname != NULL) - ret += fprintf(fp, " %s", evname); - return ret + fprintf(fp, "\n#\n"); -} - -static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, - struct perf_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 = event_name(pos); - - hists__fprintf_nr_sample_events(hists, evname, stdout); - hists__fprintf(hists, NULL, false, true, 0, 0, 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 perf_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"; - - signal(SIGINT, sig_handler); - - if (rep->cpu_list) { - ret = perf_session__cpu_bitmap(session, rep->cpu_list, - rep->cpu_bitmap); - if (ret) - goto out_delete; - } - - if (use_browser <= 0) - perf_session__fprintf_info(session, stdout, rep->show_full_info); - - if (rep->show_threads) - perf_read_values_init(&rep->show_threads_values); - - ret = perf_report__setup_sample_type(rep); - if (ret) - goto out_delete; - - ret = perf_session__process_events(session, &rep->tool); - if (ret) - goto out_delete; - - kernel_map = session->host_machine.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 (dump_trace) { - perf_session__fprintf_nr_events(session, stdout); - goto out_delete; - } - - if (verbose > 3) - perf_session__fprintf(session, stdout); - - if (verbose > 2) - perf_session__fprintf_dsos(session, stdout); - - 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); - hists__output_resort(hists); - nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; - } - - if (nr_samples == 0) { - ui__warning("The %s file has no samples!\n", session->filename); - goto out_delete; - } - - if (use_browser > 0) { - if (use_browser == 1) { - perf_evlist__tui_browse_hists(session->evlist, help, - NULL, NULL, 0); - } else if (use_browser == 2) { - perf_evlist__gtk_browse_hists(session->evlist, help, - NULL, NULL, 0); - } - } else - perf_evlist__tty_browse_hists(session->evlist, rep, help); - -out_delete: - /* - * Speed up the exit process, for large files this can - * take quite a while. - * - * XXX Enable this when using valgrind or if we ever - * librarize this command. - * - * Also experiment with obstacks to see how much speed - * up we'll get here. - * - * perf_session__delete(session); - */ - return ret; -} - -static int -parse_callchain_opt(const struct option *opt, const char *arg, int unset) -{ - struct perf_report *rep = (struct perf_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 (!strcmp(tok2, "caller")) - callchain_param.order = ORDER_CALLER; - else if (!strcmp(tok2, "callee")) - callchain_param.order = ORDER_CALLEE; - else - return -1; -setup: - if (callchain_register_param(&callchain_param) < 0) { - fprintf(stderr, "Can't register callchain params\n"); - return -1; - } - return 0; -} - -static int -parse_branch_mode(const struct option *opt __used, const char *str __used, int unset) -{ - sort__branch_mode = !unset; - return 0; -} - -int cmd_report(int argc, const char **argv, const char *prefix __used) -{ - struct perf_session *session; - struct stat st; - bool has_br_stack = false; - int ret = -1; - char callchain_default_opt[] = "fractal,0.5,callee"; - const char * const report_usage[] = { - "perf report [<options>]", - NULL - }; - struct perf_report report = { - .tool = { - .sample = process_sample_event, - .mmap = perf_event__process_mmap, - .comm = perf_event__process_comm, - .exit = perf_event__process_task, - .fork = perf_event__process_task, - .lost = perf_event__process_lost, - .read = process_read_event, - .attr = perf_event__process_attr, - .event_type = perf_event__process_event_type, - .tracing_data = perf_event__process_tracing_data, - .build_id = perf_event__process_build_id, - .ordered_samples = true, - .ordering_requires_timestamps = true, - }, - .pretty_printing_style = "normal", - }; - const struct option options[] = { - OPT_STRING('i', "input", &report.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_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent, dso_to," - " dso_from, symbol_to, symbol_from, mispredict"), - 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 and callchain order. " - "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), - OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, - "alias for inverted call graph"), - 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_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", - "use branch records for histogram filling", parse_branch_mode), - OPT_END() - }; - - 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 (!report.input_name || !strlen(report.input_name)) { - if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) - report.input_name = "-"; - else - report.input_name = "perf.data"; - } - session = perf_session__new(report.input_name, O_RDONLY, - report.force, false, &report.tool); - if (session == NULL) - return -ENOMEM; - - report.session = session; - - has_br_stack = perf_header__has_feat(&session->header, - HEADER_BRANCH_STACK); - - if (sort__branch_mode == -1 && has_br_stack) - sort__branch_mode = 1; - - /* sort__branch_mode could be 0 if --no-branch-stack */ - if (sort__branch_mode == 1) { - /* - * 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 (strcmp(report.input_name, "-") != 0) { - if (report.use_gtk) - perf_gtk_setup_browser(argc, argv, true); - else - setup_browser(true); - } else { - use_browser = 0; - } - - /* - * Only in the newt browser we are doing integrated annotation, - * so don't allocate extra space that won't be used in the stdio - * implementation. - */ - if (use_browser > 0) { - symbol_conf.priv_size = sizeof(struct annotation); - report.annotate_init = 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; - - setup_sorting(report_usage, options); - - if (parent_pattern != default_parent_pattern) { - if (sort_dimension__add("parent") < 0) - goto error; - - /* - * Only show the parent fields if we explicitly - * sort that way. If we only use parent machinery - * for filtering, we don't want it. - */ - if (!strstr(sort_order, "parent")) - sort_parent.elide = 1; - } else - symbol_conf.exclude_other = false; - - 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_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); - - if (sort__branch_mode == 1) { - sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); - sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); - sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); - sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); - } else { - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); - sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); - } - - ret = __cmd_report(&report); -error: - perf_session__delete(session); - return ret; -} |