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 1286470930SIngo Molnar #include "util/color.h" 135da50258SArnaldo Carvalho de Melo #include <linux/list.h> 1486470930SIngo Molnar #include "util/cache.h" 1543cbcd8aSArnaldo Carvalho de Melo #include <linux/rbtree.h> 1686470930SIngo Molnar #include "util/symbol.h" 1786470930SIngo Molnar #include "util/string.h" 1886470930SIngo Molnar 1986470930SIngo Molnar #include "perf.h" 208f28827aSFrederic Weisbecker #include "util/debug.h" 2186470930SIngo Molnar 2262daacb5SArnaldo Carvalho de Melo #include "util/event.h" 2386470930SIngo Molnar #include "util/parse-options.h" 2486470930SIngo Molnar #include "util/parse-events.h" 256baa0a5aSFrederic Weisbecker #include "util/thread.h" 26dd68ada2SJohn Kacur #include "util/sort.h" 273d1d07ecSJohn Kacur #include "util/hist.h" 2894c744b6SArnaldo Carvalho de Melo #include "util/session.h" 2986470930SIngo Molnar 3086470930SIngo Molnar static char const *input_name = "perf.data"; 3186470930SIngo Molnar 32fa6963b2SPeter Zijlstra static int force; 3386470930SIngo Molnar 3442976487SMike Galbraith static int full_paths; 3542976487SMike Galbraith 36301406b9SFrederic Weisbecker static int print_line; 37301406b9SFrederic Weisbecker 38e4204992SArnaldo Carvalho de Melo struct sym_hist { 39e4204992SArnaldo Carvalho de Melo u64 sum; 40e4204992SArnaldo Carvalho de Melo u64 ip[0]; 41e4204992SArnaldo Carvalho de Melo }; 42e4204992SArnaldo Carvalho de Melo 43301406b9SFrederic Weisbecker struct sym_ext { 44971738f3SFrederic Weisbecker struct rb_node node; 45301406b9SFrederic Weisbecker double percent; 46301406b9SFrederic Weisbecker char *path; 47301406b9SFrederic Weisbecker }; 48301406b9SFrederic Weisbecker 49e4204992SArnaldo Carvalho de Melo struct sym_priv { 50e4204992SArnaldo Carvalho de Melo struct sym_hist *hist; 51e4204992SArnaldo Carvalho de Melo struct sym_ext *ext; 52e4204992SArnaldo Carvalho de Melo }; 53e4204992SArnaldo Carvalho de Melo 54b32d133aSArnaldo Carvalho de Melo static struct symbol_conf symbol_conf = { 55b32d133aSArnaldo Carvalho de Melo .priv_size = sizeof(struct sym_priv), 56b32d133aSArnaldo Carvalho de Melo .try_vmlinux_path = true, 57b32d133aSArnaldo Carvalho de Melo }; 58b32d133aSArnaldo Carvalho de Melo 59e4204992SArnaldo Carvalho de Melo static const char *sym_hist_filter; 60e4204992SArnaldo Carvalho de Melo 6100a192b3SArnaldo Carvalho de Melo static int symbol_filter(struct map *map __used, struct symbol *sym) 62e4204992SArnaldo Carvalho de Melo { 638f0b0373SArnaldo Carvalho de Melo if (sym_hist_filter == NULL || 648f0b0373SArnaldo Carvalho de Melo strcmp(sym->name, sym_hist_filter) == 0) { 6500a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 66e4204992SArnaldo Carvalho de Melo const int size = (sizeof(*priv->hist) + 67e4204992SArnaldo Carvalho de Melo (sym->end - sym->start) * sizeof(u64)); 68e4204992SArnaldo Carvalho de Melo 69e4204992SArnaldo Carvalho de Melo priv->hist = malloc(size); 70e4204992SArnaldo Carvalho de Melo if (priv->hist) 71e4204992SArnaldo Carvalho de Melo memset(priv->hist, 0, size); 72e4204992SArnaldo Carvalho de Melo return 0; 73e4204992SArnaldo Carvalho de Melo } 74e4204992SArnaldo Carvalho de Melo /* 75e4204992SArnaldo Carvalho de Melo * FIXME: We should really filter it out, as we don't want to go thru symbols 76e4204992SArnaldo Carvalho de Melo * we're not interested, and if a DSO ends up with no symbols, delete it too, 77e4204992SArnaldo Carvalho de Melo * but right now the kernel loading routines in symbol.c bail out if no symbols 78e4204992SArnaldo Carvalho de Melo * are found, fix it later. 79e4204992SArnaldo Carvalho de Melo */ 80e4204992SArnaldo Carvalho de Melo return 0; 81e4204992SArnaldo Carvalho de Melo } 8286470930SIngo Molnar 8386470930SIngo Molnar /* 8486470930SIngo Molnar * collect histogram counts 8586470930SIngo Molnar */ 869cffa8d5SPaul Mackerras static void hist_hit(struct hist_entry *he, u64 ip) 8786470930SIngo Molnar { 8886470930SIngo Molnar unsigned int sym_size, offset; 8986470930SIngo Molnar struct symbol *sym = he->sym; 90e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 91e4204992SArnaldo Carvalho de Melo struct sym_hist *h; 9286470930SIngo Molnar 9386470930SIngo Molnar he->count++; 9486470930SIngo Molnar 95e4204992SArnaldo Carvalho de Melo if (!sym || !he->map) 96e4204992SArnaldo Carvalho de Melo return; 97e4204992SArnaldo Carvalho de Melo 9800a192b3SArnaldo Carvalho de Melo priv = symbol__priv(sym); 99e4204992SArnaldo Carvalho de Melo if (!priv->hist) 10086470930SIngo Molnar return; 10186470930SIngo Molnar 10286470930SIngo Molnar sym_size = sym->end - sym->start; 10386470930SIngo Molnar offset = ip - sym->start; 10486470930SIngo Molnar 105ed52ce2eSArnaldo Carvalho de Melo if (verbose) 106ed52ce2eSArnaldo Carvalho de Melo fprintf(stderr, "%s: ip=%Lx\n", __func__, 107ed52ce2eSArnaldo Carvalho de Melo he->map->unmap_ip(he->map, ip)); 108ed52ce2eSArnaldo Carvalho de Melo 10986470930SIngo Molnar if (offset >= sym_size) 11086470930SIngo Molnar return; 11186470930SIngo Molnar 112e4204992SArnaldo Carvalho de Melo h = priv->hist; 113e4204992SArnaldo Carvalho de Melo h->sum++; 114e4204992SArnaldo Carvalho de Melo h->ip[offset]++; 11586470930SIngo Molnar 11686470930SIngo Molnar if (verbose >= 3) 11786470930SIngo Molnar printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", 1187d37a0cbSArjan van de Ven (void *)(unsigned long)he->sym->start, 11986470930SIngo Molnar he->sym->name, 1207d37a0cbSArjan van de Ven (void *)(unsigned long)ip, ip - he->sym->start, 121e4204992SArnaldo Carvalho de Melo h->ip[offset]); 12286470930SIngo Molnar } 12386470930SIngo Molnar 1244e4f06e4SArnaldo Carvalho de Melo static int perf_session__add_hist_entry(struct perf_session *self, 1254e4f06e4SArnaldo Carvalho de Melo struct addr_location *al, u64 count) 12686470930SIngo Molnar { 1279735abf1SArnaldo Carvalho de Melo bool hit; 1284e4f06e4SArnaldo Carvalho de Melo struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL, 1294e4f06e4SArnaldo Carvalho de Melo count, &hit); 1309735abf1SArnaldo Carvalho de Melo if (he == NULL) 13186470930SIngo Molnar return -ENOMEM; 1321ed091c4SArnaldo Carvalho de Melo hist_hit(he, al->addr); 13386470930SIngo Molnar return 0; 13486470930SIngo Molnar } 13586470930SIngo Molnar 136b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 13786470930SIngo Molnar { 1381ed091c4SArnaldo Carvalho de Melo struct addr_location al; 1396baa0a5aSFrederic Weisbecker 14062daacb5SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %p\n", event->header.misc, 1411ed091c4SArnaldo Carvalho de Melo event->ip.pid, (void *)(long)event->ip.ip); 14286470930SIngo Molnar 143b3165f41SArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) { 14486470930SIngo Molnar fprintf(stderr, "problem processing %d event, skipping it.\n", 14586470930SIngo Molnar event->header.type); 14686470930SIngo Molnar return -1; 14786470930SIngo Molnar } 14886470930SIngo Molnar 1494e4f06e4SArnaldo Carvalho de Melo if (perf_session__add_hist_entry(session, &al, 1)) { 150ec218fc4SArnaldo Carvalho de Melo fprintf(stderr, "problem incrementing symbol count, " 151ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 15286470930SIngo Molnar return -1; 15386470930SIngo Molnar } 15486470930SIngo Molnar 15586470930SIngo Molnar return 0; 15686470930SIngo Molnar } 15786470930SIngo Molnar 158ed52ce2eSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, u64 len) 15986470930SIngo Molnar { 160ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 16186470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 162301406b9SFrederic Weisbecker static const char *prev_line; 163301406b9SFrederic Weisbecker static const char *prev_color; 16486470930SIngo Molnar unsigned int offset; 16586470930SIngo Molnar size_t line_len; 166ed52ce2eSArnaldo Carvalho de Melo u64 start; 167f37a291cSIngo Molnar s64 line_ip; 16886470930SIngo Molnar int ret; 16986470930SIngo Molnar char *c; 17086470930SIngo Molnar 17186470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 17286470930SIngo Molnar return -1; 17386470930SIngo Molnar if (!line) 17486470930SIngo Molnar return -1; 17586470930SIngo Molnar 17686470930SIngo Molnar c = strchr(line, '\n'); 17786470930SIngo Molnar if (c) 17886470930SIngo Molnar *c = 0; 17986470930SIngo Molnar 18086470930SIngo Molnar line_ip = -1; 18186470930SIngo Molnar offset = 0; 18286470930SIngo Molnar ret = -2; 18386470930SIngo Molnar 18486470930SIngo Molnar /* 18586470930SIngo Molnar * Strip leading spaces: 18686470930SIngo Molnar */ 18786470930SIngo Molnar tmp = line; 18886470930SIngo Molnar while (*tmp) { 18986470930SIngo Molnar if (*tmp != ' ') 19086470930SIngo Molnar break; 19186470930SIngo Molnar tmp++; 19286470930SIngo Molnar } 19386470930SIngo Molnar 19486470930SIngo Molnar if (*tmp) { 19586470930SIngo Molnar /* 19686470930SIngo Molnar * Parse hexa addresses followed by ':' 19786470930SIngo Molnar */ 19886470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 19986470930SIngo Molnar if (*tmp2 != ':') 20086470930SIngo Molnar line_ip = -1; 20186470930SIngo Molnar } 20286470930SIngo Molnar 203ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 204ed52ce2eSArnaldo Carvalho de Melo 20586470930SIngo Molnar if (line_ip != -1) { 206301406b9SFrederic Weisbecker const char *path = NULL; 20786470930SIngo Molnar unsigned int hits = 0; 20886470930SIngo Molnar double percent = 0.0; 20983a0944fSIngo Molnar const char *color; 21000a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 211e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 212e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 21386470930SIngo Molnar 214ed52ce2eSArnaldo Carvalho de Melo offset = line_ip - start; 21586470930SIngo Molnar if (offset < len) 216e4204992SArnaldo Carvalho de Melo hits = h->ip[offset]; 21786470930SIngo Molnar 218c17c2db1SFrederic Weisbecker if (offset < len && sym_ext) { 219301406b9SFrederic Weisbecker path = sym_ext[offset].path; 220301406b9SFrederic Weisbecker percent = sym_ext[offset].percent; 221e4204992SArnaldo Carvalho de Melo } else if (h->sum) 222e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 22386470930SIngo Molnar 2241e11fd82SFrederic Weisbecker color = get_percent_color(percent); 22586470930SIngo Molnar 226301406b9SFrederic Weisbecker /* 227301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 228301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 229301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 230301406b9SFrederic Weisbecker */ 231301406b9SFrederic Weisbecker if (path) { 232301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 233301406b9SFrederic Weisbecker || color != prev_color) { 234301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 235301406b9SFrederic Weisbecker prev_line = path; 236301406b9SFrederic Weisbecker prev_color = color; 237301406b9SFrederic Weisbecker } 238301406b9SFrederic Weisbecker } 239301406b9SFrederic Weisbecker 24086470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 24186470930SIngo Molnar printf(" : "); 24286470930SIngo Molnar color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); 24386470930SIngo Molnar } else { 24486470930SIngo Molnar if (!*line) 24586470930SIngo Molnar printf(" :\n"); 24686470930SIngo Molnar else 24786470930SIngo Molnar printf(" : %s\n", line); 24886470930SIngo Molnar } 24986470930SIngo Molnar 25086470930SIngo Molnar return 0; 25186470930SIngo Molnar } 25286470930SIngo Molnar 253971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 254971738f3SFrederic Weisbecker 255971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 256971738f3SFrederic Weisbecker { 257971738f3SFrederic Weisbecker struct sym_ext *iter; 258971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 259971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 260971738f3SFrederic Weisbecker 261971738f3SFrederic Weisbecker while (*p != NULL) { 262971738f3SFrederic Weisbecker parent = *p; 263971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 264971738f3SFrederic Weisbecker 265971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 266971738f3SFrederic Weisbecker p = &(*p)->rb_left; 267971738f3SFrederic Weisbecker else 268971738f3SFrederic Weisbecker p = &(*p)->rb_right; 269971738f3SFrederic Weisbecker } 270971738f3SFrederic Weisbecker 271971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 272971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 273971738f3SFrederic Weisbecker } 274971738f3SFrederic Weisbecker 275e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 276301406b9SFrederic Weisbecker { 27700a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->sym); 278e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 279301406b9SFrederic Weisbecker int i; 280301406b9SFrederic Weisbecker 281301406b9SFrederic Weisbecker if (!sym_ext) 282301406b9SFrederic Weisbecker return; 283301406b9SFrederic Weisbecker 284301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 285301406b9SFrederic Weisbecker free(sym_ext[i].path); 286301406b9SFrederic Weisbecker free(sym_ext); 287301406b9SFrederic Weisbecker 288e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 289971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 290301406b9SFrederic Weisbecker } 291301406b9SFrederic Weisbecker 292301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 293c17c2db1SFrederic Weisbecker static void 294ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 295301406b9SFrederic Weisbecker { 296ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 297ed52ce2eSArnaldo Carvalho de Melo u64 start; 298301406b9SFrederic Weisbecker int i; 299301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 300301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 30100a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 302e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 303301406b9SFrederic Weisbecker 304e4204992SArnaldo Carvalho de Melo if (!h->sum) 305301406b9SFrederic Weisbecker return; 306301406b9SFrederic Weisbecker 307e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 308e4204992SArnaldo Carvalho de Melo if (!priv->ext) 309301406b9SFrederic Weisbecker return; 310301406b9SFrederic Weisbecker 311ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 312301406b9SFrederic Weisbecker 313301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 314301406b9SFrederic Weisbecker char *path = NULL; 315301406b9SFrederic Weisbecker size_t line_len; 3169cffa8d5SPaul Mackerras u64 offset; 317301406b9SFrederic Weisbecker FILE *fp; 318301406b9SFrederic Weisbecker 319e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 320301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 321301406b9SFrederic Weisbecker continue; 322301406b9SFrederic Weisbecker 323ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 324c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 325301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 326301406b9SFrederic Weisbecker if (!fp) 327301406b9SFrederic Weisbecker continue; 328301406b9SFrederic Weisbecker 329301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 330301406b9SFrederic Weisbecker goto next; 331301406b9SFrederic Weisbecker 332c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 333301406b9SFrederic Weisbecker if (!sym_ext[i].path) 334301406b9SFrederic Weisbecker goto next; 335301406b9SFrederic Weisbecker 336301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 337971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 338301406b9SFrederic Weisbecker 339301406b9SFrederic Weisbecker next: 340301406b9SFrederic Weisbecker pclose(fp); 341301406b9SFrederic Weisbecker } 342301406b9SFrederic Weisbecker } 343301406b9SFrederic Weisbecker 34483a0944fSIngo Molnar static void print_summary(const char *filename) 345971738f3SFrederic Weisbecker { 346971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 347971738f3SFrederic Weisbecker struct rb_node *node; 348971738f3SFrederic Weisbecker 349971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 350971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 351971738f3SFrederic Weisbecker 352971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 353971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 354971738f3SFrederic Weisbecker return; 355971738f3SFrederic Weisbecker } 356971738f3SFrederic Weisbecker 357971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 358971738f3SFrederic Weisbecker while (node) { 359971738f3SFrederic Weisbecker double percent; 36083a0944fSIngo Molnar const char *color; 361971738f3SFrederic Weisbecker char *path; 362971738f3SFrederic Weisbecker 363971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 364971738f3SFrederic Weisbecker percent = sym_ext->percent; 3651e11fd82SFrederic Weisbecker color = get_percent_color(percent); 366971738f3SFrederic Weisbecker path = sym_ext->path; 367971738f3SFrederic Weisbecker 368971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 369971738f3SFrederic Weisbecker node = rb_next(node); 370971738f3SFrederic Weisbecker } 371971738f3SFrederic Weisbecker } 372971738f3SFrederic Weisbecker 373ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 37486470930SIngo Molnar { 375ed52ce2eSArnaldo Carvalho de Melo struct map *map = he->map; 376ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 377ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 378439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 379439d473bSArnaldo Carvalho de Melo u64 len; 38086470930SIngo Molnar char command[PATH_MAX*2]; 38186470930SIngo Molnar FILE *file; 38286470930SIngo Molnar 38386470930SIngo Molnar if (!filename) 38486470930SIngo Molnar return; 38586470930SIngo Molnar 386ed52ce2eSArnaldo Carvalho de Melo if (verbose) 387ed52ce2eSArnaldo Carvalho de Melo fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n", 388ed52ce2eSArnaldo Carvalho de Melo __func__, filename, sym->name, 389ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->start), 390ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 391ed52ce2eSArnaldo Carvalho de Melo 39242976487SMike Galbraith if (full_paths) 39342976487SMike Galbraith d_filename = filename; 39442976487SMike Galbraith else 39542976487SMike Galbraith d_filename = basename(filename); 39686470930SIngo Molnar 39786470930SIngo Molnar len = sym->end - sym->start; 39886470930SIngo Molnar 399971738f3SFrederic Weisbecker if (print_line) { 400ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 401971738f3SFrederic Weisbecker print_summary(filename); 402971738f3SFrederic Weisbecker } 403971738f3SFrederic Weisbecker 404971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 40542976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 406971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 407971738f3SFrederic Weisbecker 408971738f3SFrederic Weisbecker if (verbose >= 2) 409439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 410439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 411301406b9SFrederic Weisbecker 41242976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 413ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end), 414ed52ce2eSArnaldo Carvalho de Melo filename, filename); 41586470930SIngo Molnar 41686470930SIngo Molnar if (verbose >= 3) 41786470930SIngo Molnar printf("doing: %s\n", command); 41886470930SIngo Molnar 41986470930SIngo Molnar file = popen(command, "r"); 42086470930SIngo Molnar if (!file) 42186470930SIngo Molnar return; 42286470930SIngo Molnar 42386470930SIngo Molnar while (!feof(file)) { 424ed52ce2eSArnaldo Carvalho de Melo if (parse_line(file, he, len) < 0) 42586470930SIngo Molnar break; 42686470930SIngo Molnar } 42786470930SIngo Molnar 42886470930SIngo Molnar pclose(file); 429971738f3SFrederic Weisbecker if (print_line) 430e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 43186470930SIngo Molnar } 43286470930SIngo Molnar 4334e4f06e4SArnaldo Carvalho de Melo static void perf_session__find_annotations(struct perf_session *self) 43486470930SIngo Molnar { 43586470930SIngo Molnar struct rb_node *nd; 43686470930SIngo Molnar 4374e4f06e4SArnaldo Carvalho de Melo for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { 438ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 439e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 44086470930SIngo Molnar 441e4204992SArnaldo Carvalho de Melo if (he->sym == NULL) 442e4204992SArnaldo Carvalho de Melo continue; 443e4204992SArnaldo Carvalho de Melo 44400a192b3SArnaldo Carvalho de Melo priv = symbol__priv(he->sym); 445e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 446e4204992SArnaldo Carvalho de Melo continue; 447e4204992SArnaldo Carvalho de Melo 448ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 449ed52ce2eSArnaldo Carvalho de Melo /* 450e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 451e4204992SArnaldo Carvalho de Melo * he->sym->hist to signal we already processed this symbol. 452ed52ce2eSArnaldo Carvalho de Melo */ 453e4204992SArnaldo Carvalho de Melo free(priv->hist); 454e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 45586470930SIngo Molnar } 45686470930SIngo Molnar } 45786470930SIngo Molnar 458301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 459bab81b62SLi Zefan .process_sample_event = process_sample_event, 460bab81b62SLi Zefan .process_mmap_event = event__process_mmap, 461bab81b62SLi Zefan .process_comm_event = event__process_comm, 462bab81b62SLi Zefan .process_fork_event = event__process_task, 463bab81b62SLi Zefan }; 464bab81b62SLi Zefan 46586470930SIngo Molnar static int __cmd_annotate(void) 46686470930SIngo Molnar { 467301a0b02SArnaldo Carvalho de Melo struct perf_session *session = perf_session__new(input_name, O_RDONLY, 4684aa65636SArnaldo Carvalho de Melo force, &symbol_conf); 469bab81b62SLi Zefan int ret; 47086470930SIngo Molnar 47194c744b6SArnaldo Carvalho de Melo if (session == NULL) 47294c744b6SArnaldo Carvalho de Melo return -ENOMEM; 47394c744b6SArnaldo Carvalho de Melo 474ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 475bab81b62SLi Zefan if (ret) 47694c744b6SArnaldo Carvalho de Melo goto out_delete; 47786470930SIngo Molnar 47862daacb5SArnaldo Carvalho de Melo if (dump_trace) { 47962daacb5SArnaldo Carvalho de Melo event__print_totals(); 48094c744b6SArnaldo Carvalho de Melo goto out_delete; 48162daacb5SArnaldo Carvalho de Melo } 48286470930SIngo Molnar 483da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 484b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 48586470930SIngo Molnar 486da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 48786470930SIngo Molnar dsos__fprintf(stdout); 48886470930SIngo Molnar 4894e4f06e4SArnaldo Carvalho de Melo perf_session__collapse_resort(session); 490f823e441SArnaldo Carvalho de Melo perf_session__output_resort(session, session->event_total[0]); 4914e4f06e4SArnaldo Carvalho de Melo perf_session__find_annotations(session); 49294c744b6SArnaldo Carvalho de Melo out_delete: 49394c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 49486470930SIngo Molnar 495bab81b62SLi Zefan return ret; 49686470930SIngo Molnar } 49786470930SIngo Molnar 49886470930SIngo Molnar static const char * const annotate_usage[] = { 49986470930SIngo Molnar "perf annotate [<options>] <command>", 50086470930SIngo Molnar NULL 50186470930SIngo Molnar }; 50286470930SIngo Molnar 50386470930SIngo Molnar static const struct option options[] = { 50486470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 50586470930SIngo Molnar "input file name"), 50623b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 50786470930SIngo Molnar "symbol to annotate"), 508fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 50986470930SIngo Molnar OPT_BOOLEAN('v', "verbose", &verbose, 51086470930SIngo Molnar "be more verbose (show symbol address, etc)"), 51186470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 51286470930SIngo Molnar "dump raw trace in ASCII"), 513b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 514b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 515b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 51642976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 517301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 518301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 51942976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 52042976487SMike Galbraith "Don't shorten the displayed pathnames"), 52186470930SIngo Molnar OPT_END() 52286470930SIngo Molnar }; 52386470930SIngo Molnar 52486470930SIngo Molnar static void setup_sorting(void) 52586470930SIngo Molnar { 52686470930SIngo Molnar char *tmp, *tok, *str = strdup(sort_order); 52786470930SIngo Molnar 52886470930SIngo Molnar for (tok = strtok_r(str, ", ", &tmp); 52986470930SIngo Molnar tok; tok = strtok_r(NULL, ", ", &tmp)) { 53086470930SIngo Molnar if (sort_dimension__add(tok) < 0) { 53186470930SIngo Molnar error("Unknown --sort key: `%s'", tok); 53286470930SIngo Molnar usage_with_options(annotate_usage, options); 53386470930SIngo Molnar } 53486470930SIngo Molnar } 53586470930SIngo Molnar 53686470930SIngo Molnar free(str); 53786470930SIngo Molnar } 53886470930SIngo Molnar 539f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 54086470930SIngo Molnar { 541b32d133aSArnaldo Carvalho de Melo if (symbol__init(&symbol_conf) < 0) 542b32d133aSArnaldo Carvalho de Melo return -1; 54386470930SIngo Molnar 54486470930SIngo Molnar argc = parse_options(argc, argv, options, annotate_usage, 0); 54586470930SIngo Molnar 54686470930SIngo Molnar setup_sorting(); 54786470930SIngo Molnar 54886470930SIngo Molnar if (argc) { 54986470930SIngo Molnar /* 55086470930SIngo Molnar * Special case: if there's an argument left then assume tha 55186470930SIngo Molnar * it's a symbol filter: 55286470930SIngo Molnar */ 55386470930SIngo Molnar if (argc > 1) 55486470930SIngo Molnar usage_with_options(annotate_usage, options); 55586470930SIngo Molnar 55686470930SIngo Molnar sym_hist_filter = argv[0]; 55786470930SIngo Molnar } 55886470930SIngo Molnar 55986470930SIngo Molnar setup_pager(); 56086470930SIngo Molnar 561dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 562dd68ada2SJohn Kacur fputs("'.' is the only non valid --field-separator argument\n", 563dd68ada2SJohn Kacur stderr); 564dd68ada2SJohn Kacur exit(129); 565dd68ada2SJohn Kacur } 566dd68ada2SJohn Kacur 56786470930SIngo Molnar return __cmd_annotate(); 56886470930SIngo Molnar } 569