186470930SIngo Molnar /* 286470930SIngo Molnar * builtin-annotate.c 386470930SIngo Molnar * 486470930SIngo Molnar * Builtin annotate command: Analyze the perf.data input file, 586470930SIngo Molnar * look up and read DSOs and symbol information and display 686470930SIngo Molnar * a histogram of results, along various sorting keys. 786470930SIngo Molnar */ 886470930SIngo Molnar #include "builtin.h" 986470930SIngo Molnar 1086470930SIngo Molnar #include "util/util.h" 1186470930SIngo Molnar #include "util/color.h" 125da50258SArnaldo Carvalho de Melo #include <linux/list.h> 1386470930SIngo Molnar #include "util/cache.h" 1443cbcd8aSArnaldo Carvalho de Melo #include <linux/rbtree.h> 1586470930SIngo Molnar #include "util/symbol.h" 1686470930SIngo Molnar 1786470930SIngo Molnar #include "perf.h" 188f28827aSFrederic Weisbecker #include "util/debug.h" 1986470930SIngo Molnar 20e248de33SArnaldo Carvalho de Melo #include "util/evlist.h" 21e248de33SArnaldo Carvalho de Melo #include "util/evsel.h" 2278f7defeSArnaldo Carvalho de Melo #include "util/annotate.h" 2362daacb5SArnaldo Carvalho de Melo #include "util/event.h" 2486470930SIngo Molnar #include "util/parse-options.h" 2586470930SIngo Molnar #include "util/parse-events.h" 266baa0a5aSFrederic Weisbecker #include "util/thread.h" 27dd68ada2SJohn Kacur #include "util/sort.h" 283d1d07ecSJohn Kacur #include "util/hist.h" 2994c744b6SArnaldo Carvalho de Melo #include "util/session.h" 3045694aa7SArnaldo Carvalho de Melo #include "util/tool.h" 3168e94f4eSIrina Tirdea #include "arch/common.h" 3286470930SIngo Molnar 335d67be97SAnton Blanchard #include <linux/bitmap.h> 345d67be97SAnton Blanchard 35d20deb64SArnaldo Carvalho de Melo struct perf_annotate { 3645694aa7SArnaldo Carvalho de Melo struct perf_tool tool; 372b676bf0SNamhyung Kim bool force, use_tui, use_stdio, use_gtk; 387009cc34SArnaldo Carvalho de Melo bool full_paths; 397009cc34SArnaldo Carvalho de Melo bool print_line; 4018c9e5c5SNamhyung Kim bool skip_missing; 417009cc34SArnaldo Carvalho de Melo const char *sym_hist_filter; 427009cc34SArnaldo Carvalho de Melo const char *cpu_list; 437009cc34SArnaldo Carvalho de Melo DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 44d20deb64SArnaldo Carvalho de Melo }; 455d67be97SAnton Blanchard 46d04b35f8SArnaldo Carvalho de Melo static int perf_evsel__add_sample(struct perf_evsel *evsel, 47e248de33SArnaldo Carvalho de Melo struct perf_sample *sample, 48d20deb64SArnaldo Carvalho de Melo struct addr_location *al, 49d20deb64SArnaldo Carvalho de Melo struct perf_annotate *ann) 5086470930SIngo Molnar { 51628ada0cSArnaldo Carvalho de Melo struct hist_entry *he; 52e248de33SArnaldo Carvalho de Melo int ret; 53628ada0cSArnaldo Carvalho de Melo 547009cc34SArnaldo Carvalho de Melo if (ann->sym_hist_filter != NULL && 557009cc34SArnaldo Carvalho de Melo (al->sym == NULL || 567009cc34SArnaldo Carvalho de Melo strcmp(ann->sym_hist_filter, al->sym->name) != 0)) { 57628ada0cSArnaldo Carvalho de Melo /* We're only interested in a symbol named sym_hist_filter */ 58628ada0cSArnaldo Carvalho de Melo if (al->sym != NULL) { 59628ada0cSArnaldo Carvalho de Melo rb_erase(&al->sym->rb_node, 60628ada0cSArnaldo Carvalho de Melo &al->map->dso->symbols[al->map->type]); 61628ada0cSArnaldo Carvalho de Melo symbol__delete(al->sym); 62628ada0cSArnaldo Carvalho de Melo } 63628ada0cSArnaldo Carvalho de Melo return 0; 64628ada0cSArnaldo Carvalho de Melo } 65628ada0cSArnaldo Carvalho de Melo 6605484298SAndi Kleen he = __hists__add_entry(&evsel->hists, al, NULL, 1, 1); 679735abf1SArnaldo Carvalho de Melo if (he == NULL) 6886470930SIngo Molnar return -ENOMEM; 69628ada0cSArnaldo Carvalho de Melo 70e248de33SArnaldo Carvalho de Melo ret = 0; 712f525d01SArnaldo Carvalho de Melo if (he->ms.sym != NULL) { 722f525d01SArnaldo Carvalho de Melo struct annotation *notes = symbol__annotation(he->ms.sym); 73d04b35f8SArnaldo Carvalho de Melo if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) 742f525d01SArnaldo Carvalho de Melo return -ENOMEM; 752f525d01SArnaldo Carvalho de Melo 76e248de33SArnaldo Carvalho de Melo ret = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); 772f525d01SArnaldo Carvalho de Melo } 782f525d01SArnaldo Carvalho de Melo 79e248de33SArnaldo Carvalho de Melo evsel->hists.stats.total_period += sample->period; 80e248de33SArnaldo Carvalho de Melo hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 81e248de33SArnaldo Carvalho de Melo return ret; 8286470930SIngo Molnar } 8386470930SIngo Molnar 8445694aa7SArnaldo Carvalho de Melo static int process_sample_event(struct perf_tool *tool, 85d20deb64SArnaldo Carvalho de Melo union perf_event *event, 868115d60cSArnaldo Carvalho de Melo struct perf_sample *sample, 879e69c210SArnaldo Carvalho de Melo struct perf_evsel *evsel, 88743eb868SArnaldo Carvalho de Melo struct machine *machine) 8986470930SIngo Molnar { 9045694aa7SArnaldo Carvalho de Melo struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool); 911ed091c4SArnaldo Carvalho de Melo struct addr_location al; 926baa0a5aSFrederic Weisbecker 93743eb868SArnaldo Carvalho de Melo if (perf_event__preprocess_sample(event, machine, &al, sample, 94476d35c2SAdrian Hunter machine->symbol_filter) < 0) { 9529a9f66dSArnaldo Carvalho de Melo pr_warning("problem processing %d event, skipping it.\n", 9686470930SIngo Molnar event->header.type); 9786470930SIngo Molnar return -1; 9886470930SIngo Molnar } 9986470930SIngo Molnar 1007009cc34SArnaldo Carvalho de Melo if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap)) 1015d67be97SAnton Blanchard return 0; 1025d67be97SAnton Blanchard 103d20deb64SArnaldo Carvalho de Melo if (!al.filtered && perf_evsel__add_sample(evsel, sample, &al, ann)) { 10429a9f66dSArnaldo Carvalho de Melo pr_warning("problem incrementing symbol count, " 105ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 10686470930SIngo Molnar return -1; 10786470930SIngo Molnar } 10886470930SIngo Molnar 10986470930SIngo Molnar return 0; 11086470930SIngo Molnar } 11186470930SIngo Molnar 112db8fd07aSNamhyung Kim static int hist_entry__tty_annotate(struct hist_entry *he, 113db8fd07aSNamhyung Kim struct perf_evsel *evsel, 114d20deb64SArnaldo Carvalho de Melo struct perf_annotate *ann) 11586470930SIngo Molnar { 116db8fd07aSNamhyung Kim return symbol__tty_annotate(he->ms.sym, he->ms.map, evsel, 1177009cc34SArnaldo Carvalho de Melo ann->print_line, ann->full_paths, 0, 0); 11886470930SIngo Molnar } 11986470930SIngo Molnar 120db8fd07aSNamhyung Kim static void hists__find_annotations(struct hists *self, 121db8fd07aSNamhyung Kim struct perf_evsel *evsel, 122d20deb64SArnaldo Carvalho de Melo struct perf_annotate *ann) 12386470930SIngo Molnar { 124b50e003dSArnaldo Carvalho de Melo struct rb_node *nd = rb_first(&self->entries), *next; 125cf958003SArnaldo Carvalho de Melo int key = K_RIGHT; 12686470930SIngo Molnar 12746e3e055SArnaldo Carvalho de Melo while (nd) { 128ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 12978f7defeSArnaldo Carvalho de Melo struct annotation *notes; 13086470930SIngo Molnar 13146e3e055SArnaldo Carvalho de Melo if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned) 13246e3e055SArnaldo Carvalho de Melo goto find_next; 133e4204992SArnaldo Carvalho de Melo 13478f7defeSArnaldo Carvalho de Melo notes = symbol__annotation(he->ms.sym); 135ce6f4fabSArnaldo Carvalho de Melo if (notes->src == NULL) { 13646e3e055SArnaldo Carvalho de Melo find_next: 137cf958003SArnaldo Carvalho de Melo if (key == K_LEFT) 13846e3e055SArnaldo Carvalho de Melo nd = rb_prev(nd); 13946e3e055SArnaldo Carvalho de Melo else 14046e3e055SArnaldo Carvalho de Melo nd = rb_next(nd); 141e4204992SArnaldo Carvalho de Melo continue; 14246e3e055SArnaldo Carvalho de Melo } 143e4204992SArnaldo Carvalho de Melo 1442b676bf0SNamhyung Kim if (use_browser == 2) { 14518c9e5c5SNamhyung Kim int ret; 14618c9e5c5SNamhyung Kim 147db8fd07aSNamhyung Kim ret = hist_entry__gtk_annotate(he, evsel, NULL); 14818c9e5c5SNamhyung Kim if (!ret || !ann->skip_missing) 1492b676bf0SNamhyung Kim return; 15018c9e5c5SNamhyung Kim 15118c9e5c5SNamhyung Kim /* skip missing symbols */ 15218c9e5c5SNamhyung Kim nd = rb_next(nd); 1532b676bf0SNamhyung Kim } else if (use_browser == 1) { 154db8fd07aSNamhyung Kim key = hist_entry__tui_annotate(he, evsel, NULL); 15546e3e055SArnaldo Carvalho de Melo switch (key) { 15618c9e5c5SNamhyung Kim case -1: 15718c9e5c5SNamhyung Kim if (!ann->skip_missing) 15818c9e5c5SNamhyung Kim return; 15918c9e5c5SNamhyung Kim /* fall through */ 160cf958003SArnaldo Carvalho de Melo case K_RIGHT: 161b50e003dSArnaldo Carvalho de Melo next = rb_next(nd); 16246e3e055SArnaldo Carvalho de Melo break; 163cf958003SArnaldo Carvalho de Melo case K_LEFT: 164b50e003dSArnaldo Carvalho de Melo next = rb_prev(nd); 16546e3e055SArnaldo Carvalho de Melo break; 166b50e003dSArnaldo Carvalho de Melo default: 167b50e003dSArnaldo Carvalho de Melo return; 16846e3e055SArnaldo Carvalho de Melo } 169b50e003dSArnaldo Carvalho de Melo 170b50e003dSArnaldo Carvalho de Melo if (next != NULL) 171b50e003dSArnaldo Carvalho de Melo nd = next; 17246e3e055SArnaldo Carvalho de Melo } else { 173db8fd07aSNamhyung Kim hist_entry__tty_annotate(he, evsel, ann); 17446e3e055SArnaldo Carvalho de Melo nd = rb_next(nd); 175ed52ce2eSArnaldo Carvalho de Melo /* 17646e3e055SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same 177ce6f4fabSArnaldo Carvalho de Melo * symbol, free he->ms.sym->src to signal we already 17846e3e055SArnaldo Carvalho de Melo * processed this symbol. 179ed52ce2eSArnaldo Carvalho de Melo */ 180ce6f4fabSArnaldo Carvalho de Melo free(notes->src); 181ce6f4fabSArnaldo Carvalho de Melo notes->src = NULL; 18286470930SIngo Molnar } 18386470930SIngo Molnar } 18446e3e055SArnaldo Carvalho de Melo } 18586470930SIngo Molnar 186d20deb64SArnaldo Carvalho de Melo static int __cmd_annotate(struct perf_annotate *ann) 18786470930SIngo Molnar { 188bab81b62SLi Zefan int ret; 18975be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 190e248de33SArnaldo Carvalho de Melo struct perf_evsel *pos; 191e248de33SArnaldo Carvalho de Melo u64 total_nr_samples; 19286470930SIngo Molnar 19370cb4e96SFeng Tang session = perf_session__new(input_name, O_RDONLY, 19445694aa7SArnaldo Carvalho de Melo ann->force, false, &ann->tool); 19594c744b6SArnaldo Carvalho de Melo if (session == NULL) 19694c744b6SArnaldo Carvalho de Melo return -ENOMEM; 19794c744b6SArnaldo Carvalho de Melo 198476d35c2SAdrian Hunter machines__set_symbol_filter(&session->machines, symbol__annotate_init); 199476d35c2SAdrian Hunter 2007009cc34SArnaldo Carvalho de Melo if (ann->cpu_list) { 2017009cc34SArnaldo Carvalho de Melo ret = perf_session__cpu_bitmap(session, ann->cpu_list, 2027009cc34SArnaldo Carvalho de Melo ann->cpu_bitmap); 2035d67be97SAnton Blanchard if (ret) 2045d67be97SAnton Blanchard goto out_delete; 2055d67be97SAnton Blanchard } 2065d67be97SAnton Blanchard 20768e94f4eSIrina Tirdea if (!objdump_path) { 20868e94f4eSIrina Tirdea ret = perf_session_env__lookup_objdump(&session->header.env); 20968e94f4eSIrina Tirdea if (ret) 21068e94f4eSIrina Tirdea goto out_delete; 21168e94f4eSIrina Tirdea } 21268e94f4eSIrina Tirdea 21345694aa7SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &ann->tool); 214bab81b62SLi Zefan if (ret) 21594c744b6SArnaldo Carvalho de Melo goto out_delete; 21686470930SIngo Molnar 21762daacb5SArnaldo Carvalho de Melo if (dump_trace) { 218c8446b9bSArnaldo Carvalho de Melo perf_session__fprintf_nr_events(session, stdout); 21994c744b6SArnaldo Carvalho de Melo goto out_delete; 22062daacb5SArnaldo Carvalho de Melo } 22186470930SIngo Molnar 222da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 223b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 22486470930SIngo Molnar 225da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 226cbf69680SArnaldo Carvalho de Melo perf_session__fprintf_dsos(session, stdout); 22786470930SIngo Molnar 228e248de33SArnaldo Carvalho de Melo total_nr_samples = 0; 229e248de33SArnaldo Carvalho de Melo list_for_each_entry(pos, &session->evlist->entries, node) { 230e248de33SArnaldo Carvalho de Melo struct hists *hists = &pos->hists; 231e248de33SArnaldo Carvalho de Melo u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; 23286470930SIngo Molnar 233e248de33SArnaldo Carvalho de Melo if (nr_samples > 0) { 234e248de33SArnaldo Carvalho de Melo total_nr_samples += nr_samples; 235e248de33SArnaldo Carvalho de Melo hists__collapse_resort(hists); 236e248de33SArnaldo Carvalho de Melo hists__output_resort(hists); 237b1dd4432SNamhyung Kim 238b1dd4432SNamhyung Kim if (symbol_conf.event_group && 239b1dd4432SNamhyung Kim !perf_evsel__is_group_leader(pos)) 240b1dd4432SNamhyung Kim continue; 241b1dd4432SNamhyung Kim 242db8fd07aSNamhyung Kim hists__find_annotations(hists, pos, ann); 243e248de33SArnaldo Carvalho de Melo } 244e248de33SArnaldo Carvalho de Melo } 245e248de33SArnaldo Carvalho de Melo 246e248de33SArnaldo Carvalho de Melo if (total_nr_samples == 0) { 2473780f488SNamhyung Kim ui__error("The %s file has no samples!\n", session->filename); 248e248de33SArnaldo Carvalho de Melo goto out_delete; 249e248de33SArnaldo Carvalho de Melo } 2507a60ba94SNamhyung Kim 2517a60ba94SNamhyung Kim if (use_browser == 2) 2527a60ba94SNamhyung Kim perf_gtk__show_annotations(); 2537a60ba94SNamhyung Kim 254e248de33SArnaldo Carvalho de Melo out_delete: 255e248de33SArnaldo Carvalho de Melo /* 256e248de33SArnaldo Carvalho de Melo * Speed up the exit process, for large files this can 257e248de33SArnaldo Carvalho de Melo * take quite a while. 258e248de33SArnaldo Carvalho de Melo * 259e248de33SArnaldo Carvalho de Melo * XXX Enable this when using valgrind or if we ever 260e248de33SArnaldo Carvalho de Melo * librarize this command. 261e248de33SArnaldo Carvalho de Melo * 262e248de33SArnaldo Carvalho de Melo * Also experiment with obstacks to see how much speed 263e248de33SArnaldo Carvalho de Melo * up we'll get here. 264e248de33SArnaldo Carvalho de Melo * 265e248de33SArnaldo Carvalho de Melo * perf_session__delete(session); 266e248de33SArnaldo Carvalho de Melo */ 267bab81b62SLi Zefan return ret; 26886470930SIngo Molnar } 26986470930SIngo Molnar 27086470930SIngo Molnar static const char * const annotate_usage[] = { 27199345254SNamhyung Kim "perf annotate [<options>]", 27286470930SIngo Molnar NULL 27386470930SIngo Molnar }; 27486470930SIngo Molnar 2751d037ca1SIrina Tirdea int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) 276d20deb64SArnaldo Carvalho de Melo { 277d20deb64SArnaldo Carvalho de Melo struct perf_annotate annotate = { 27845694aa7SArnaldo Carvalho de Melo .tool = { 279d20deb64SArnaldo Carvalho de Melo .sample = process_sample_event, 280d20deb64SArnaldo Carvalho de Melo .mmap = perf_event__process_mmap, 281d20deb64SArnaldo Carvalho de Melo .comm = perf_event__process_comm, 282ec4622f5SArnaldo Carvalho de Melo .exit = perf_event__process_exit, 283f62d3f0fSArnaldo Carvalho de Melo .fork = perf_event__process_fork, 284d20deb64SArnaldo Carvalho de Melo .ordered_samples = true, 285d20deb64SArnaldo Carvalho de Melo .ordering_requires_timestamps = true, 286d20deb64SArnaldo Carvalho de Melo }, 287d20deb64SArnaldo Carvalho de Melo }; 288d20deb64SArnaldo Carvalho de Melo const struct option options[] = { 28970cb4e96SFeng Tang OPT_STRING('i', "input", &input_name, "file", 29086470930SIngo Molnar "input file name"), 291ac73c5a9SArnaldo Carvalho de Melo OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 292ac73c5a9SArnaldo Carvalho de Melo "only consider symbols in these dsos"), 2937009cc34SArnaldo Carvalho de Melo OPT_STRING('s', "symbol", &annotate.sym_hist_filter, "symbol", 29486470930SIngo Molnar "symbol to annotate"), 2957009cc34SArnaldo Carvalho de Melo OPT_BOOLEAN('f', "force", &annotate.force, "don't complain, do it"), 296c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 29786470930SIngo Molnar "be more verbose (show symbol address, etc)"), 29886470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 29986470930SIngo Molnar "dump raw trace in ASCII"), 3002b676bf0SNamhyung Kim OPT_BOOLEAN(0, "gtk", &annotate.use_gtk, "Use the GTK interface"), 3017009cc34SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "tui", &annotate.use_tui, "Use the TUI interface"), 3027009cc34SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "stdio", &annotate.use_stdio, "Use the stdio interface"), 303b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 304b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 305b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 30642976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 3077009cc34SArnaldo Carvalho de Melo OPT_BOOLEAN('l', "print-line", &annotate.print_line, 308301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 3097009cc34SArnaldo Carvalho de Melo OPT_BOOLEAN('P', "full-paths", &annotate.full_paths, 31042976487SMike Galbraith "Don't shorten the displayed pathnames"), 31118c9e5c5SNamhyung Kim OPT_BOOLEAN(0, "skip-missing", &annotate.skip_missing, 31218c9e5c5SNamhyung Kim "Skip symbols that cannot be annotated"), 313c8e66720SDavid Ahern OPT_STRING('C', "cpu", &annotate.cpu_list, "cpu", "list of cpus to profile"), 314e71a0598SStephane Eranian OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 315e71a0598SStephane Eranian "Look for files with symbols relative to this directory"), 31664c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, 3173e6a2a7fSStephane Eranian "Interleave source code with assembly code (default)"), 31864c6f0c7SArnaldo Carvalho de Melo OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, 3193e6a2a7fSStephane Eranian "Display raw encoding of assembly instructions (default)"), 320f69b64f7SAndi Kleen OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 321f69b64f7SAndi Kleen "Specify disassembler style (e.g. -M intel for intel syntax)"), 3227a4ec938SMaciek Borzecki OPT_STRING(0, "objdump", &objdump_path, "path", 3237a4ec938SMaciek Borzecki "objdump binary to use for disassembly and annotations"), 324b1dd4432SNamhyung Kim OPT_BOOLEAN(0, "group", &symbol_conf.event_group, 325b1dd4432SNamhyung Kim "Show event group information together"), 32686470930SIngo Molnar OPT_END() 32786470930SIngo Molnar }; 32886470930SIngo Molnar 329655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 330655000e7SArnaldo Carvalho de Melo 3317009cc34SArnaldo Carvalho de Melo if (annotate.use_stdio) 3328b9e74ebSArnaldo Carvalho de Melo use_browser = 0; 3337009cc34SArnaldo Carvalho de Melo else if (annotate.use_tui) 3348b9e74ebSArnaldo Carvalho de Melo use_browser = 1; 3352b676bf0SNamhyung Kim else if (annotate.use_gtk) 3362b676bf0SNamhyung Kim use_browser = 2; 3378b9e74ebSArnaldo Carvalho de Melo 338229ade9bSArnaldo Carvalho de Melo setup_browser(true); 33946e3e055SArnaldo Carvalho de Melo 34078f7defeSArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct annotation); 34175be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 34275be6cf4SArnaldo Carvalho de Melo 34375be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 344b32d133aSArnaldo Carvalho de Melo return -1; 34586470930SIngo Molnar 34655309985SNamhyung Kim if (setup_sorting() < 0) 34755309985SNamhyung Kim usage_with_options(annotate_usage, options); 34886470930SIngo Molnar 34986470930SIngo Molnar if (argc) { 35086470930SIngo Molnar /* 35186470930SIngo Molnar * Special case: if there's an argument left then assume tha 35286470930SIngo Molnar * it's a symbol filter: 35386470930SIngo Molnar */ 35486470930SIngo Molnar if (argc > 1) 35586470930SIngo Molnar usage_with_options(annotate_usage, options); 35686470930SIngo Molnar 3577009cc34SArnaldo Carvalho de Melo annotate.sym_hist_filter = argv[0]; 35886470930SIngo Molnar } 35986470930SIngo Molnar 360d20deb64SArnaldo Carvalho de Melo return __cmd_annotate(&annotate); 36186470930SIngo Molnar } 362