diff options
Diffstat (limited to 'tools/perf/builtin-annotate.c')
| -rw-r--r-- | tools/perf/builtin-annotate.c | 953 |
1 files changed, 953 insertions, 0 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c new file mode 100644 index 000000000..69cb72b20 --- /dev/null +++ b/tools/perf/builtin-annotate.c @@ -0,0 +1,953 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * builtin-annotate.c + * + * Builtin annotate 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 "perf.h" + +#include "util/color.h" +#include <linux/list.h> +#include "util/cache.h" +#include <linux/rbtree.h> +#include "util/symbol.h" + +#include "util/debug.h" + +#include "util/evlist.h" +#include "util/evsel.h" +#include "util/annotate.h" +#include "util/annotate-data.h" +#include "util/event.h" +#include <subcmd/parse-options.h> +#include "util/parse-events.h" +#include "util/sort.h" +#include "util/hist.h" +#include "util/dso.h" +#include "util/machine.h" +#include "util/map.h" +#include "util/session.h" +#include "util/tool.h" +#include "util/data.h" +#include "arch/common.h" +#include "util/block-range.h" +#include "util/map_symbol.h" +#include "util/branch.h" +#include "util/util.h" +#include "ui/progress.h" + +#include <dlfcn.h> +#include <errno.h> +#include <linux/bitmap.h> +#include <linux/err.h> +#include <inttypes.h> + +struct perf_annotate { + struct perf_tool tool; + struct perf_session *session; +#ifdef HAVE_SLANG_SUPPORT + bool use_tui; +#endif + bool use_stdio, use_stdio2; +#ifdef HAVE_GTK2_SUPPORT + bool use_gtk; +#endif + bool skip_missing; + bool has_br_stack; + bool group_set; + bool data_type; + bool type_stat; + bool insn_stat; + float min_percent; + const char *sym_hist_filter; + const char *cpu_list; + const char *target_data_type; + DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); +}; + +/* + * Given one basic block: + * + * from to branch_i + * * ----> * + * | + * | block + * v + * * ----> * + * from to branch_i+1 + * + * where the horizontal are the branches and the vertical is the executed + * block of instructions. + * + * We count, for each 'instruction', the number of blocks that covered it as + * well as count the ratio each branch is taken. + * + * We can do this without knowing the actual instruction stream by keeping + * track of the address ranges. We break down ranges such that there is no + * overlap and iterate from the start until the end. + * + * @acme: once we parse the objdump output _before_ processing the samples, + * we can easily fold the branch.cycles IPC bits in. + */ +static void process_basic_block(struct addr_map_symbol *start, + struct addr_map_symbol *end, + struct branch_flags *flags) +{ + struct symbol *sym = start->ms.sym; + struct annotation *notes = sym ? symbol__annotation(sym) : NULL; + struct block_range_iter iter; + struct block_range *entry; + struct annotated_branch *branch; + + /* + * Sanity; NULL isn't executable and the CPU cannot execute backwards + */ + if (!start->addr || start->addr > end->addr) + return; + + iter = block_range__create(start->addr, end->addr); + if (!block_range_iter__valid(&iter)) + return; + + branch = annotation__get_branch(notes); + + /* + * First block in range is a branch target. + */ + entry = block_range_iter(&iter); + assert(entry->is_target); + entry->entry++; + + do { + entry = block_range_iter(&iter); + + entry->coverage++; + entry->sym = sym; + + if (branch) + branch->max_coverage = max(branch->max_coverage, entry->coverage); + + } while (block_range_iter__next(&iter)); + + /* + * Last block in rage is a branch. + */ + entry = block_range_iter(&iter); + assert(entry->is_branch); + entry->taken++; + if (flags->predicted) + entry->pred++; +} + +static void process_branch_stack(struct branch_stack *bs, struct addr_location *al, + struct perf_sample *sample) +{ + struct addr_map_symbol *prev = NULL; + struct branch_info *bi; + int i; + + if (!bs || !bs->nr) + return; + + bi = sample__resolve_bstack(sample, al); + if (!bi) + return; + + for (i = bs->nr - 1; i >= 0; i--) { + /* + * XXX filter against symbol + */ + if (prev) + process_basic_block(prev, &bi[i].from, &bi[i].flags); + prev = &bi[i].to; + } + + free(bi); +} + +static int hist_iter__branch_callback(struct hist_entry_iter *iter, + struct addr_location *al __maybe_unused, + bool single __maybe_unused, + void *arg __maybe_unused) +{ + struct hist_entry *he = iter->he; + struct branch_info *bi; + struct perf_sample *sample = iter->sample; + int err; + + bi = he->branch_info; + err = addr_map_symbol__inc_samples(&bi->from, sample); + + if (err) + goto out; + + err = addr_map_symbol__inc_samples(&bi->to, sample); + +out: + return err; +} + +static int process_branch_callback(struct perf_sample *sample, + struct addr_location *al, + struct perf_annotate *ann, + struct machine *machine) +{ + struct hist_entry_iter iter = { + .sample = sample, + .add_entry_cb = hist_iter__branch_callback, + .hide_unresolved = symbol_conf.hide_unresolved, + .ops = &hist_iter_branch, + }; + struct addr_location a; + int ret; + + addr_location__init(&a); + if (machine__resolve(machine, &a, sample) < 0) { + ret = -1; + goto out; + } + + if (a.sym == NULL) { + ret = 0; + goto out; + } + + if (a.map != NULL) + dso__set_hit(map__dso(a.map)); + + hist__account_cycles(sample->branch_stack, al, sample, /*nonany_branch_mode=*/false, + /*total_cycles=*/NULL); + + ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann); +out: + addr_location__exit(&a); + return ret; +} + +static bool has_annotation(struct perf_annotate *ann) +{ + return ui__has_annotation() || ann->use_stdio2; +} + +static int add_sample(struct perf_sample *sample, + struct addr_location *al, struct perf_annotate *ann, + struct machine *machine) +{ + struct hists *hists = evsel__hists(sample->evsel); + struct hist_entry *he; + int ret; + + if ((!ann->has_br_stack || !has_annotation(ann)) && + ann->sym_hist_filter != NULL && + (al->sym == NULL || + strcmp(ann->sym_hist_filter, al->sym->name) != 0)) { + /* We're only interested in a symbol named sym_hist_filter */ + /* + * FIXME: why isn't this done in the symbol_filter when loading + * the DSO? + */ + if (al->sym != NULL) { + struct dso *dso = map__dso(al->map); + + rb_erase_cached(&al->sym->rb_node, dso__symbols(dso)); + symbol__delete(al->sym); + dso__reset_find_symbol_cache(dso); + } + return 0; + } + + /* + * XXX filtered samples can still have branch entries pointing into our + * symbol and are missed. + */ + process_branch_stack(sample->branch_stack, al, sample); + + if (ann->has_br_stack && has_annotation(ann)) + return process_branch_callback(sample, al, ann, machine); + + he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true); + if (he == NULL) + return -ENOMEM; + + ret = hist_entry__inc_addr_samples(he, sample, al->addr); + hists__inc_nr_samples(hists, true); + return ret; +} + +static int process_sample_event(const struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool); + struct addr_location al; + int ret = 0; + + addr_location__init(&al); + if (machine__resolve(machine, &al, sample) < 0) { + pr_warning("problem processing %s (%u) event at offset %#" PRIx64 ", skipping it.\n", + perf_event__name(event->header.type), event->header.type, + sample->file_offset); + ret = -1; + goto out_put; + } + + if (ann->cpu_list && (sample->cpu >= MAX_NR_CPUS || + !test_bit(sample->cpu, ann->cpu_bitmap))) + goto out_put; + + if (!al.filtered && + add_sample(sample, &al, ann, machine)) { + pr_warning("problem incrementing symbol count, " + "skipping event\n"); + ret = -1; + } +out_put: + addr_location__exit(&al); + return ret; +} + +static int hist_entry__stdio_annotate(struct hist_entry *he, + struct evsel *evsel, + struct perf_annotate *ann) +{ + if (ann->use_stdio2) + return hist_entry__tty_annotate2(he, evsel); + + return hist_entry__tty_annotate(he, evsel); +} + +static void print_annotate_data_stat(struct annotated_data_stat *s) +{ +#define PRINT_STAT(fld) if (s->fld) printf("%10d : %s\n", s->fld, #fld) + + int bad = s->no_sym + + s->no_insn + + s->no_insn_ops + + s->no_mem_ops + + s->no_reg + + s->no_dbginfo + + s->no_cuinfo + + s->no_var + + s->no_typeinfo + + s->invalid_size + + s->bad_offset; + int ok = s->total - bad; + + printf("Annotate data type stats:\n"); + printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n", + s->total, ok, 100.0 * ok / (s->total ?: 1), bad, 100.0 * bad / (s->total ?: 1)); + printf("-----------------------------------------------------------\n"); + PRINT_STAT(no_sym); + PRINT_STAT(no_insn); + PRINT_STAT(no_insn_ops); + PRINT_STAT(no_mem_ops); + PRINT_STAT(no_reg); + PRINT_STAT(no_dbginfo); + PRINT_STAT(no_cuinfo); + PRINT_STAT(no_var); + PRINT_STAT(no_typeinfo); + PRINT_STAT(invalid_size); + PRINT_STAT(bad_offset); + PRINT_STAT(insn_track); + printf("\n"); + +#undef PRINT_STAT +} + +static void print_annotate_item_stat(struct list_head *head, const char *title) +{ + struct annotated_item_stat *istat, *pos, *iter; + int total_good, total_bad, total; + int sum1, sum2; + LIST_HEAD(tmp); + + /* sort the list by count */ + list_splice_init(head, &tmp); + total_good = total_bad = 0; + + list_for_each_entry_safe(istat, pos, &tmp, list) { + total_good += istat->good; + total_bad += istat->bad; + sum1 = istat->good + istat->bad; + + list_for_each_entry(iter, head, list) { + sum2 = iter->good + iter->bad; + if (sum1 > sum2) + break; + } + list_move_tail(&istat->list, &iter->list); + } + total = total_good + total_bad; + + printf("Annotate %s stats\n", title); + printf("total %d, ok %d (%.1f%%), bad %d (%.1f%%)\n\n", total, + total_good, 100.0 * total_good / (total ?: 1), + total_bad, 100.0 * total_bad / (total ?: 1)); + printf(" %-20s: %5s %5s\n", "Name/opcode", "Good", "Bad"); + printf("-----------------------------------------------------------\n"); + list_for_each_entry(istat, head, list) + printf(" %-20s: %5d %5d\n", istat->name, istat->good, istat->bad); + printf("\n"); +} + +static void hists__find_annotations(struct hists *hists, + struct evsel *evsel, + struct perf_annotate *ann) +{ + struct rb_node *nd = rb_first_cached(&hists->entries), *next; + int key = K_RIGHT; + + if (ann->type_stat) + print_annotate_data_stat(&ann_data_stat); + if (ann->insn_stat) + print_annotate_item_stat(&ann_insn_stat, "Instruction"); + + while (nd) { + struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); + struct annotation *notes; + + if (he->ms.sym == NULL || dso__annotate_warned(map__dso(he->ms.map))) + goto find_next; + + if (ann->sym_hist_filter && + (strcmp(he->ms.sym->name, ann->sym_hist_filter) != 0)) + goto find_next; + + if (ann->min_percent) { + float percent = 0; + u64 total = hists__total_period(hists); + + if (total) + percent = 100.0 * he->stat.period / total; + + if (percent < ann->min_percent) + goto find_next; + } + + notes = symbol__annotation(he->ms.sym); + if (notes->src == NULL) { +find_next: + if (key == K_LEFT || key == '<') + nd = rb_prev(nd); + else + nd = rb_next(nd); + continue; + } + + if (ann->data_type) { + /* skip unknown type */ + if (he->mem_type->histograms == NULL) + goto find_next; + + if (ann->target_data_type) { + const char *type_name = he->mem_type->self.type_name; + + /* skip 'struct ' prefix in the type name */ + if (strncmp(ann->target_data_type, "struct ", 7) && + !strncmp(type_name, "struct ", 7)) + type_name += 7; + + /* skip 'union ' prefix in the type name */ + if (strncmp(ann->target_data_type, "union ", 6) && + !strncmp(type_name, "union ", 6)) + type_name += 6; + + if (strcmp(ann->target_data_type, type_name)) + goto find_next; + } + + if (use_browser == 1) + key = hist_entry__annotate_data_tui(he, evsel, NULL); + else + key = hist_entry__annotate_data_tty(he, evsel); + + switch (key) { + case -1: + if (!ann->skip_missing) + return; + /* fall through */ + case K_RIGHT: + case '>': + next = rb_next(nd); + break; + case K_LEFT: + case '<': + next = rb_prev(nd); + break; + default: + return; + } + + if (use_browser == 0 || next != NULL) + nd = next; + + continue; + } + + if (use_browser == 2) { + int ret; + int (*annotate)(struct hist_entry *he, + struct evsel *evsel, + struct hist_browser_timer *hbt); + + annotate = dlsym(perf_gtk_handle, + "hist_entry__gtk_annotate"); + if (annotate == NULL) { + ui__error("GTK browser not found!\n"); + return; + } + + ret = annotate(he, evsel, NULL); + if (!ret || !ann->skip_missing) + return; + + /* skip missing symbols */ + nd = rb_next(nd); + } else if (use_browser == 1) { + key = hist_entry__tui_annotate(he, evsel, NULL, NO_ADDR); + + switch (key) { + case -1: + if (!ann->skip_missing) + return; + /* fall through */ + case K_RIGHT: + case '>': + next = rb_next(nd); + break; + case K_LEFT: + case '<': + next = rb_prev(nd); + break; + default: + return; + } + + if (next != NULL) + nd = next; + } else { + hist_entry__stdio_annotate(he, evsel, ann); + nd = rb_next(nd); + } + } +} + +static int __cmd_annotate(struct perf_annotate *ann) +{ + int ret; + struct perf_session *session = ann->session; + struct evsel *pos; + u64 total_nr_samples; + + if (ann->cpu_list) { + ret = perf_session__cpu_bitmap(session, ann->cpu_list, + ann->cpu_bitmap); + if (ret) + goto out; + } + + if (!annotate_opts.objdump_path) { + ret = perf_env__lookup_objdump(perf_session__env(session), + &annotate_opts.objdump_path); + if (ret) + goto out; + } + + ret = perf_session__process_events(session); + if (ret) + goto out; + + if ((use_browser == 1 || ann->use_stdio2) && ann->has_br_stack) + if (evlist__nr_br_cntr(session->evlist) > 0) + annotate_opts.show_br_cntr = true; + + if (dump_trace) { + perf_session__fprintf_nr_events(session, stdout); + evlist__fprintf_nr_events(session->evlist, stdout); + goto out; + } + + if (verbose > 3) + perf_session__fprintf(session, stdout); + + if (verbose > 2) + perf_session__fprintf_dsos(session, stdout); + + total_nr_samples = 0; + evlist__for_each_entry(session->evlist, pos) { + struct hists *hists = evsel__hists(pos); + u32 nr_samples = hists->stats.nr_samples; + struct ui_progress prog; + + if (nr_samples > 0) { + total_nr_samples += nr_samples; + + ui_progress__init(&prog, nr_samples, + "Merging related events..."); + hists__collapse_resort(hists, &prog); + ui_progress__finish(); + + /* Don't sort callchain */ + evsel__reset_sample_bit(pos, CALLCHAIN); + + ui_progress__init(&prog, nr_samples, + "Sorting events for output..."); + evsel__output_resort(pos, &prog); + ui_progress__finish(); + + /* + * An event group needs to display other events too. + * Let's delay printing until other events are processed. + */ + if (symbol_conf.event_group) { + if (!evsel__is_group_leader(pos)) { + struct hists *leader_hists; + + leader_hists = evsel__hists(evsel__leader(pos)); + hists__match(leader_hists, hists); + hists__link(leader_hists, hists); + } + continue; + } + + hists__find_annotations(hists, pos, ann); + } + } + + if (total_nr_samples == 0) { + ui__error("The %s data has no samples!\n", session->data->path); + goto out; + } + + /* Display group events together */ + evlist__for_each_entry(session->evlist, pos) { + struct hists *hists = evsel__hists(pos); + u32 nr_samples = hists->stats.nr_samples; + struct ui_progress prog; + struct evsel *evsel; + + if (!symbol_conf.event_group || !evsel__is_group_leader(pos)) + continue; + + for_each_group_member(evsel, pos) + nr_samples += evsel__hists(evsel)->stats.nr_samples; + + if (nr_samples == 0) + continue; + + ui_progress__init(&prog, nr_samples, + "Sorting group events for output..."); + evsel__output_resort(pos, &prog); + ui_progress__finish(); + + hists__find_annotations(hists, pos, ann); + } + + if (use_browser == 2) { + void (*show_annotations)(void); + + show_annotations = dlsym(perf_gtk_handle, + "perf_gtk__show_annotations"); + if (show_annotations == NULL) { + ui__error("GTK browser not found!\n"); + goto out; + } + show_annotations(); + } + +out: + return ret; +} + +static int parse_percent_limit(const struct option *opt, const char *str, + int unset __maybe_unused) +{ + struct perf_annotate *ann = opt->value; + double pcnt = strtof(str, NULL); + + ann->min_percent = pcnt; + return 0; +} + +static int parse_data_type(const struct option *opt, const char *str, int unset) +{ + struct perf_annotate *ann = opt->value; + + ann->data_type = !unset; + if (str) + ann->target_data_type = strdup(str); + + return 0; +} + +static const char * const annotate_usage[] = { + "perf annotate [<options>]", + NULL +}; + +int cmd_annotate(int argc, const char **argv) +{ + struct perf_annotate annotate = {}; + struct perf_data data = { + .mode = PERF_DATA_MODE_READ, + }; + struct itrace_synth_opts itrace_synth_opts = { + .set = 0, + }; + const char *disassembler_style = NULL, *objdump_path = NULL, *addr2line_path = NULL; + struct option options[] = { + OPT_STRING('i', "input", &input_name, "file", + "input file name"), + OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", + "only consider symbols in these dsos"), + OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol", + "symbol to annotate"), + OPT_BOOLEAN('f', "force", &data.force, "don't complain, do it"), + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('q', "quiet", &quiet, "do now show any warnings or messages"), + OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, + "dump raw trace in ASCII"), +#ifdef HAVE_GTK2_SUPPORT + OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"), +#endif +#ifdef HAVE_SLANG_SUPPORT + OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"), +#endif + OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"), + OPT_BOOLEAN(0, "stdio2", &annotate.use_stdio2, "Use the stdio interface"), + OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, + "don't load vmlinux even if found"), + OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, + "file", "vmlinux pathname"), + OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, + "load module symbols - WARNING: use only with -k and LIVE kernel"), + OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines, + "print matching source lines (may be slow)"), + OPT_BOOLEAN('P', "full-paths", &annotate_opts.full_path, + "Don't shorten the displayed pathnames"), + OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing, + "Skip symbols that cannot be annotated"), + OPT_BOOLEAN_SET(0, "group", &symbol_conf.event_group, + &annotate.group_set, + "Show event group information together"), + OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"), + OPT_CALLBACK(0, "symfs", NULL, "directory[,layout]", SYMFS_HELP, + symbol__config_symfs), + OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src, + "Interleave source code with assembly code (default)"), + OPT_BOOLEAN(0, "asm-raw", &annotate_opts.show_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_STRING(0, "prefix", &annotate_opts.prefix, "prefix", + "Add prefix to source file path names in programs (with --prefix-strip)"), + OPT_STRING(0, "prefix-strip", &annotate_opts.prefix_strip, "N", + "Strip first N entries of source file path name in programs (with --prefix)"), + OPT_STRING(0, "objdump", &objdump_path, "path", + "objdump binary to use for disassembly and annotations"), + OPT_STRING(0, "addr2line", &addr2line_path, "path", + "addr2line binary to use for line numbers"), + OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, + "Enable symbol demangling"), + OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, + "Enable kernel symbol demangling"), + OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, + "Show a column with the sum of periods"), + OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, + "Show a column with the number of samples"), + OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", + "'always' (default), 'never' or 'auto' only applicable to --stdio mode", + stdio__config_color, "always"), + OPT_CALLBACK(0, "percent-type", &annotate_opts, "local-period", + "Set percent type local/global-period/hits", + annotate_parse_percent_type), + OPT_CALLBACK(0, "percent-limit", &annotate, "percent", + "Don't show entries under that percent", parse_percent_limit), + OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", + "Instruction Tracing options\n" ITRACE_HELP, + itrace_parse_synth_opts), + OPT_CALLBACK_OPTARG(0, "data-type", &annotate, NULL, "name", + "Show data type annotate for the memory accesses", + parse_data_type), + OPT_BOOLEAN(0, "type-stat", &annotate.type_stat, + "Show stats for the data type annotation"), + OPT_BOOLEAN(0, "insn-stat", &annotate.insn_stat, + "Show instruction stats for the data type annotation"), + OPT_BOOLEAN(0, "skip-empty", &symbol_conf.skip_empty, + "Do not display empty (or dummy) events in the output"), + OPT_BOOLEAN(0, "code-with-type", &annotate_opts.code_with_type, + "Show data type info in code annotation (memory instructions only)"), + OPT_END() + }; + int ret; + + set_option_flag(options, 0, "show-total-period", PARSE_OPT_EXCLUSIVE); + set_option_flag(options, 0, "show-nr-samples", PARSE_OPT_EXCLUSIVE); + + annotation_options__init(); + + ret = hists__init(); + if (ret < 0) + return ret; + + annotation_config__init(); + + argc = parse_options(argc, argv, options, annotate_usage, 0); + if (argc) { + /* + * Special case: if there's an argument left then assume that + * it's a symbol filter: + */ + if (argc > 1) + usage_with_options(annotate_usage, options); + + annotate.sym_hist_filter = argv[0]; + } + + if (disassembler_style) { + annotate_opts.disassembler_style = strdup(disassembler_style); + if (!annotate_opts.disassembler_style) + return -ENOMEM; + } + if (objdump_path) { + annotate_opts.objdump_path = strdup(objdump_path); + if (!annotate_opts.objdump_path) + return -ENOMEM; + } + if (addr2line_path) { + symbol_conf.addr2line_path = strdup(addr2line_path); + if (!symbol_conf.addr2line_path) + return -ENOMEM; + } + + if (annotate_check_args() < 0) + return -EINVAL; + +#ifdef HAVE_GTK2_SUPPORT + if (symbol_conf.show_nr_samples && annotate.use_gtk) { + pr_err("--show-nr-samples is not available in --gtk mode at this time\n"); + return ret; + } +#endif + +#ifndef HAVE_LIBDW_SUPPORT + if (annotate.data_type) { + pr_err("Error: Data type profiling is disabled due to missing DWARF support\n"); + return -ENOTSUP; + } +#endif + + ret = symbol__validate_sym_arguments(); + if (ret) + return ret; + + if (quiet) + perf_quiet_option(); + + data.path = input_name; + + perf_tool__init(&annotate.tool, /*ordered_events=*/true); + annotate.tool.sample = process_sample_event; + annotate.tool.mmap = perf_event__process_mmap; + annotate.tool.mmap2 = perf_event__process_mmap2; + annotate.tool.comm = perf_event__process_comm; + annotate.tool.exit = perf_event__process_exit; + annotate.tool.fork = perf_event__process_fork; + annotate.tool.namespaces = perf_event__process_namespaces; + annotate.tool.attr = perf_event__process_attr; + annotate.tool.build_id = perf_event__process_build_id; +#ifdef HAVE_LIBTRACEEVENT + annotate.tool.tracing_data = perf_event__process_tracing_data; +#endif + annotate.tool.id_index = perf_event__process_id_index; + annotate.tool.auxtrace_info = perf_event__process_auxtrace_info; + annotate.tool.auxtrace = perf_event__process_auxtrace; + annotate.tool.feature = perf_event__process_feature; + annotate.tool.ordering_requires_timestamps = true; + + annotate.session = perf_session__new(&data, &annotate.tool); + if (IS_ERR(annotate.session)) + return PTR_ERR(annotate.session); + + annotate.session->itrace_synth_opts = &itrace_synth_opts; + + annotate.has_br_stack = perf_header__has_feat(&annotate.session->header, + HEADER_BRANCH_STACK); + + if (annotate.group_set) + evlist__force_leader(annotate.session->evlist); + + ret = symbol__annotation_init(); + if (ret < 0) + goto out_delete; + + symbol_conf.try_vmlinux_path = true; + + ret = symbol__init(perf_session__env(annotate.session)); + if (ret < 0) + goto out_delete; + + if (annotate.use_stdio || annotate.use_stdio2) + use_browser = 0; +#ifdef HAVE_SLANG_SUPPORT + else if (annotate.use_tui) + use_browser = 1; +#endif +#ifdef HAVE_GTK2_SUPPORT + else if (annotate.use_gtk) + use_browser = 2; +#endif + + if (annotate.data_type) { + annotate_opts.annotate_src = false; + symbol_conf.annotate_data_member = true; + symbol_conf.annotate_data_sample = true; + } else if (annotate_opts.code_with_type) { + symbol_conf.annotate_data_member = true; + } + + setup_browser(true); + + /* + * Events of different processes may correspond to the same + * symbol, we do not care about the processes in annotate, + * set sort order to avoid repeated output. + */ + if (annotate.data_type) + sort_order = "dso,type"; + else + sort_order = "dso,symbol"; + + /* + * Set SORT_MODE__BRANCH so that annotate displays IPC/Cycle and + * branch counters, if the corresponding branch info is available + * in the perf data in the TUI mode. + */ + if ((use_browser == 1 || annotate.use_stdio2) && annotate.has_br_stack) { + sort__mode = SORT_MODE__BRANCH; + if (evlist__nr_br_cntr(annotate.session->evlist) > 0) + annotate_opts.show_br_cntr = true; + } + + if (setup_sorting(/*evlist=*/NULL, perf_session__env(annotate.session)) < 0) + usage_with_options(annotate_usage, options); + + ret = __cmd_annotate(&annotate); + +out_delete: + /* + * Speed up the exit process by only deleting for debug builds. For + * large files this can save time. + */ +#ifndef NDEBUG + perf_session__delete(annotate.session); +#endif + annotation_options__exit(); + + return ret; +} |