diff options
Diffstat (limited to 'tools/perf/builtin-annotate.c')
| -rw-r--r-- | tools/perf/builtin-annotate.c | 859 |
1 files changed, 731 insertions, 128 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index db491e9a812b..9c27bb30b708 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * builtin-annotate.c * @@ -6,161 +7,532 @@ * a histogram of results, along various sorting keys. */ #include "builtin.h" +#include "perf.h" -#include "util/util.h" #include "util/color.h" #include <linux/list.h> #include "util/cache.h" #include <linux/rbtree.h> +#include <linux/zalloc.h> #include "util/symbol.h" -#include "perf.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 "util/parse-options.h" +#include <subcmd/parse-options.h> #include "util/parse-events.h" -#include "util/thread.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; - bool force, use_tui, use_stdio, use_gtk; - bool full_paths; - bool print_line; + 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); }; -static int perf_evsel__add_sample(struct perf_evsel *evsel, - struct perf_sample *sample, - struct addr_location *al, - struct perf_annotate *ann) +/* + * 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; + struct evsel *evsel = iter->evsel; + int err; + + bi = he->branch_info; + err = addr_map_symbol__inc_samples(&bi->from, sample, evsel); + + if (err) + goto out; + + err = addr_map_symbol__inc_samples(&bi->to, sample, evsel); + +out: + return err; +} + +static int process_branch_callback(struct evsel *evsel, + struct perf_sample *sample, + struct addr_location *al, + struct perf_annotate *ann, + struct machine *machine) +{ + struct hist_entry_iter iter = { + .evsel = evsel, + .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, false, + NULL, evsel); + + 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 evsel__add_sample(struct evsel *evsel, struct perf_sample *sample, + struct addr_location *al, struct perf_annotate *ann, + struct machine *machine) { + struct hists *hists = evsel__hists(evsel); struct hist_entry *he; int ret; - if (ann->sym_hist_filter != NULL && + 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) { - rb_erase(&al->sym->rb_node, - &al->map->dso->symbols[al->map->type]); + 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; } - he = __hists__add_entry(&evsel->hists, al, NULL, 1, 1); - if (he == NULL) - return -ENOMEM; + /* + * XXX filtered samples can still have branch entries pointing into our + * symbol and are missed. + */ + process_branch_stack(sample->branch_stack, al, sample); - ret = 0; - if (he->ms.sym != NULL) { - struct annotation *notes = symbol__annotation(he->ms.sym); - if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) - return -ENOMEM; + if (ann->has_br_stack && has_annotation(ann)) + return process_branch_callback(evsel, sample, al, ann, machine); - ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); - } + he = hists__add_entry(hists, al, NULL, NULL, NULL, NULL, sample, true); + if (he == NULL) + return -ENOMEM; - evsel->hists.stats.total_period += sample->period; - hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); + ret = hist_entry__inc_addr_samples(he, sample, evsel, al->addr); + hists__inc_nr_samples(hists, true); return ret; } -static int process_sample_event(struct perf_tool *tool, +static int process_sample_event(const struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, + struct evsel *evsel, struct machine *machine) { struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool); struct addr_location al; + int ret = 0; - if (perf_event__preprocess_sample(event, machine, &al, sample, - symbol__annotate_init) < 0) { + addr_location__init(&al); + if (machine__resolve(machine, &al, sample) < 0) { pr_warning("problem processing %d event, skipping it.\n", event->header.type); - return -1; + ret = -1; + goto out_put; } if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap)) - return 0; + goto out_put; - if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al, ann)) { + if (!al.filtered && + evsel__add_sample(evsel, sample, &al, ann, machine)) { pr_warning("problem incrementing symbol count, " "skipping event\n"); - return -1; + ret = -1; } +out_put: + addr_location__exit(&al); + return ret; +} +static int process_feature_event(const struct perf_tool *tool __maybe_unused, + struct perf_session *session, + union perf_event *event) +{ + if (event->feat.feat_id < HEADER_LAST_FEATURE) + return perf_event__process_feature(session, event); return 0; } -static int hist_entry__tty_annotate(struct hist_entry *he, - struct perf_evsel *evsel, +static int hist_entry__stdio_annotate(struct hist_entry *he, + struct evsel *evsel, struct perf_annotate *ann) { - return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel, - ann->print_line, ann->full_paths, 0, 0); + if (ann->use_stdio2) + return hist_entry__tty_annotate2(he, evsel); + + return hist_entry__tty_annotate(he, evsel); } -static void hists__find_annotations(struct hists *self, - struct perf_evsel *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(&self->entries), *next; + 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 || he->ms.map->dso->annotate_warned) + 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) + 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 = hist_entry__gtk_annotate(he, evsel, NULL); + 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); + 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: @@ -170,15 +542,8 @@ find_next: if (next != NULL) nd = next; } else { - hist_entry__tty_annotate(he, evsel, ann); + hist_entry__stdio_annotate(he, evsel, ann); nd = rb_next(nd); - /* - * Since we have a hist_entry per IP for the same - * symbol, free he->ms.sym->src to signal we already - * processed this symbol. - */ - free(notes->src); - notes->src = NULL; } } } @@ -186,35 +551,32 @@ find_next: static int __cmd_annotate(struct perf_annotate *ann) { int ret; - struct perf_session *session; - struct perf_evsel *pos; + struct perf_session *session = ann->session; + struct evsel *pos; u64 total_nr_samples; - session = perf_session__new(input_name, O_RDONLY, - ann->force, false, &ann->tool); - if (session == NULL) - return -ENOMEM; - if (ann->cpu_list) { ret = perf_session__cpu_bitmap(session, ann->cpu_list, ann->cpu_bitmap); if (ret) - goto out_delete; + goto out; } - if (!objdump_path) { - ret = perf_session_env__lookup_objdump(&session->header.env); + if (!annotate_opts.objdump_path) { + ret = perf_env__lookup_objdump(perf_session__env(session), + &annotate_opts.objdump_path); if (ret) - goto out_delete; + goto out; } - ret = perf_session__process_events(session, &ann->tool); + ret = perf_session__process_events(session); if (ret) - goto out_delete; + goto out; if (dump_trace) { perf_session__fprintf_nr_events(session, stdout); - goto out_delete; + evlist__fprintf_nr_events(session->evlist, stdout); + goto out; } if (verbose > 3) @@ -224,136 +586,377 @@ static int __cmd_annotate(struct perf_annotate *ann) perf_session__fprintf_dsos(session, stdout); total_nr_samples = 0; - list_for_each_entry(pos, &session->evlist->entries, node) { - struct hists *hists = &pos->hists; - u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; + 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; - hists__collapse_resort(hists); - hists__output_resort(hists); - if (symbol_conf.event_group && - !perf_evsel__is_group_leader(pos)) + 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 file has no samples!\n", session->filename); - goto out_delete; + ui__error("The %s data has no samples!\n", session->data->path); + goto out; } - if (use_browser == 2) - perf_gtk__show_annotations(); + /* 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; -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); - */ + 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, const char *prefix __maybe_unused) +int cmd_annotate(int argc, const char **argv) { - struct perf_annotate annotate = { - .tool = { - .sample = process_sample_event, - .mmap = perf_event__process_mmap, - .comm = perf_event__process_comm, - .exit = perf_event__process_exit, - .fork = perf_event__process_fork, - .ordered_samples = true, - .ordering_requires_timestamps = true, - }, + struct perf_annotate annotate = {}; + struct perf_data data = { + .mode = PERF_DATA_MODE_READ, + }; + struct itrace_synth_opts itrace_synth_opts = { + .set = 0, }; - const struct option options[] = { + 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", &annotate.force, "don't complain, do it"), + 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.print_line, + OPT_BOOLEAN('l', "print-line", &annotate_opts.print_lines, "print matching source lines (may be slow)"), - OPT_BOOLEAN('P', "full-paths", &annotate.full_paths, + 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_STRING(0, "symfs", &symbol_conf.symfs, "directory", - "Look for files with symbols relative to this directory"), - OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, + OPT_CALLBACK(0, "symfs", NULL, "directory", + "Look for files with symbols relative to this directory", + symbol__config_symfs), + OPT_BOOLEAN(0, "source", &annotate_opts.annotate_src, "Interleave source code with assembly code (default)"), - OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, + 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_BOOLEAN(0, "group", &symbol_conf.event_group, - "Show event group information together"), + 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 = process_feature_event; + 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) + 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); - symbol_conf.priv_size = sizeof(struct annotation); - symbol_conf.try_vmlinux_path = 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"; - if (symbol__init() < 0) - return -1; + /* + * 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 (annotate.session->evlist->nr_br_cntr > 0) + annotate_opts.show_br_cntr = true; + } - if (setup_sorting() < 0) + if (setup_sorting(/*evlist=*/NULL, perf_session__env(annotate.session)) < 0) usage_with_options(annotate_usage, options); - if (argc) { - /* - * Special case: if there's an argument left then assume tha - * it's a symbol filter: - */ - if (argc > 1) - usage_with_options(annotate_usage, options); + ret = __cmd_annotate(&annotate); - annotate.sym_hist_filter = argv[0]; - } +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 __cmd_annotate(&annotate); + return ret; } |