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 54e4204992SArnaldo Carvalho de Melo static const char *sym_hist_filter; 55e4204992SArnaldo Carvalho de Melo 5600a192b3SArnaldo Carvalho de Melo static int symbol_filter(struct map *map __used, struct symbol *sym) 57e4204992SArnaldo Carvalho de Melo { 588f0b0373SArnaldo Carvalho de Melo if (sym_hist_filter == NULL || 598f0b0373SArnaldo Carvalho de Melo strcmp(sym->name, sym_hist_filter) == 0) { 6000a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 61e4204992SArnaldo Carvalho de Melo const int size = (sizeof(*priv->hist) + 62e4204992SArnaldo Carvalho de Melo (sym->end - sym->start) * sizeof(u64)); 63e4204992SArnaldo Carvalho de Melo 64e4204992SArnaldo Carvalho de Melo priv->hist = malloc(size); 65e4204992SArnaldo Carvalho de Melo if (priv->hist) 66e4204992SArnaldo Carvalho de Melo memset(priv->hist, 0, size); 67e4204992SArnaldo Carvalho de Melo return 0; 68e4204992SArnaldo Carvalho de Melo } 69e4204992SArnaldo Carvalho de Melo /* 70e4204992SArnaldo Carvalho de Melo * FIXME: We should really filter it out, as we don't want to go thru symbols 71e4204992SArnaldo Carvalho de Melo * we're not interested, and if a DSO ends up with no symbols, delete it too, 72e4204992SArnaldo Carvalho de Melo * but right now the kernel loading routines in symbol.c bail out if no symbols 73e4204992SArnaldo Carvalho de Melo * are found, fix it later. 74e4204992SArnaldo Carvalho de Melo */ 75e4204992SArnaldo Carvalho de Melo return 0; 76e4204992SArnaldo Carvalho de Melo } 7786470930SIngo Molnar 7886470930SIngo Molnar /* 7986470930SIngo Molnar * collect histogram counts 8086470930SIngo Molnar */ 819cffa8d5SPaul Mackerras static void hist_hit(struct hist_entry *he, u64 ip) 8286470930SIngo Molnar { 8386470930SIngo Molnar unsigned int sym_size, offset; 8486470930SIngo Molnar struct symbol *sym = he->sym; 85e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 86e4204992SArnaldo Carvalho de Melo struct sym_hist *h; 8786470930SIngo Molnar 8886470930SIngo Molnar he->count++; 8986470930SIngo Molnar 90e4204992SArnaldo Carvalho de Melo if (!sym || !he->map) 91e4204992SArnaldo Carvalho de Melo return; 92e4204992SArnaldo Carvalho de Melo 9300a192b3SArnaldo Carvalho de Melo priv = symbol__priv(sym); 94e4204992SArnaldo Carvalho de Melo if (!priv->hist) 9586470930SIngo Molnar return; 9686470930SIngo Molnar 9786470930SIngo Molnar sym_size = sym->end - sym->start; 9886470930SIngo Molnar offset = ip - sym->start; 9986470930SIngo Molnar 100ed52ce2eSArnaldo Carvalho de Melo if (verbose) 101ed52ce2eSArnaldo Carvalho de Melo fprintf(stderr, "%s: ip=%Lx\n", __func__, 102ed52ce2eSArnaldo Carvalho de Melo he->map->unmap_ip(he->map, ip)); 103ed52ce2eSArnaldo Carvalho de Melo 10486470930SIngo Molnar if (offset >= sym_size) 10586470930SIngo Molnar return; 10686470930SIngo Molnar 107e4204992SArnaldo Carvalho de Melo h = priv->hist; 108e4204992SArnaldo Carvalho de Melo h->sum++; 109e4204992SArnaldo Carvalho de Melo h->ip[offset]++; 11086470930SIngo Molnar 11186470930SIngo Molnar if (verbose >= 3) 11286470930SIngo Molnar printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", 1137d37a0cbSArjan van de Ven (void *)(unsigned long)he->sym->start, 11486470930SIngo Molnar he->sym->name, 1157d37a0cbSArjan van de Ven (void *)(unsigned long)ip, ip - he->sym->start, 116e4204992SArnaldo Carvalho de Melo h->ip[offset]); 11786470930SIngo Molnar } 11886470930SIngo Molnar 1194e4f06e4SArnaldo Carvalho de Melo static int perf_session__add_hist_entry(struct perf_session *self, 1204e4f06e4SArnaldo Carvalho de Melo struct addr_location *al, u64 count) 12186470930SIngo Molnar { 1229735abf1SArnaldo Carvalho de Melo bool hit; 1234e4f06e4SArnaldo Carvalho de Melo struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL, 1244e4f06e4SArnaldo Carvalho de Melo count, &hit); 1259735abf1SArnaldo Carvalho de Melo if (he == NULL) 12686470930SIngo Molnar return -ENOMEM; 1271ed091c4SArnaldo Carvalho de Melo hist_hit(he, al->addr); 12886470930SIngo Molnar return 0; 12986470930SIngo Molnar } 13086470930SIngo Molnar 131b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 13286470930SIngo Molnar { 1331ed091c4SArnaldo Carvalho de Melo struct addr_location al; 1346baa0a5aSFrederic Weisbecker 13562daacb5SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %p\n", event->header.misc, 1361ed091c4SArnaldo Carvalho de Melo event->ip.pid, (void *)(long)event->ip.ip); 13786470930SIngo Molnar 138b3165f41SArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) { 13986470930SIngo Molnar fprintf(stderr, "problem processing %d event, skipping it.\n", 14086470930SIngo Molnar event->header.type); 14186470930SIngo Molnar return -1; 14286470930SIngo Molnar } 14386470930SIngo Molnar 144c410a338SArnaldo Carvalho de Melo if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) { 145ec218fc4SArnaldo Carvalho de Melo fprintf(stderr, "problem incrementing symbol count, " 146ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 14786470930SIngo Molnar return -1; 14886470930SIngo Molnar } 14986470930SIngo Molnar 15086470930SIngo Molnar return 0; 15186470930SIngo Molnar } 15286470930SIngo Molnar 153ed52ce2eSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, u64 len) 15486470930SIngo Molnar { 155ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 15686470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 157301406b9SFrederic Weisbecker static const char *prev_line; 158301406b9SFrederic Weisbecker static const char *prev_color; 15986470930SIngo Molnar unsigned int offset; 16086470930SIngo Molnar size_t line_len; 161ed52ce2eSArnaldo Carvalho de Melo u64 start; 162f37a291cSIngo Molnar s64 line_ip; 16386470930SIngo Molnar int ret; 16486470930SIngo Molnar char *c; 16586470930SIngo Molnar 16686470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 16786470930SIngo Molnar return -1; 16886470930SIngo Molnar if (!line) 16986470930SIngo Molnar return -1; 17086470930SIngo Molnar 17186470930SIngo Molnar c = strchr(line, '\n'); 17286470930SIngo Molnar if (c) 17386470930SIngo Molnar *c = 0; 17486470930SIngo Molnar 17586470930SIngo Molnar line_ip = -1; 17686470930SIngo Molnar offset = 0; 17786470930SIngo Molnar ret = -2; 17886470930SIngo Molnar 17986470930SIngo Molnar /* 18086470930SIngo Molnar * Strip leading spaces: 18186470930SIngo Molnar */ 18286470930SIngo Molnar tmp = line; 18386470930SIngo Molnar while (*tmp) { 18486470930SIngo Molnar if (*tmp != ' ') 18586470930SIngo Molnar break; 18686470930SIngo Molnar tmp++; 18786470930SIngo Molnar } 18886470930SIngo Molnar 18986470930SIngo Molnar if (*tmp) { 19086470930SIngo Molnar /* 19186470930SIngo Molnar * Parse hexa addresses followed by ':' 19286470930SIngo Molnar */ 19386470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 19486470930SIngo Molnar if (*tmp2 != ':') 19586470930SIngo Molnar line_ip = -1; 19686470930SIngo Molnar } 19786470930SIngo Molnar 198ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 199ed52ce2eSArnaldo Carvalho de Melo 20086470930SIngo Molnar if (line_ip != -1) { 201301406b9SFrederic Weisbecker const char *path = NULL; 20286470930SIngo Molnar unsigned int hits = 0; 20386470930SIngo Molnar double percent = 0.0; 20483a0944fSIngo Molnar const char *color; 20500a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 206e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 207e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 20886470930SIngo Molnar 209ed52ce2eSArnaldo Carvalho de Melo offset = line_ip - start; 21086470930SIngo Molnar if (offset < len) 211e4204992SArnaldo Carvalho de Melo hits = h->ip[offset]; 21286470930SIngo Molnar 213c17c2db1SFrederic Weisbecker if (offset < len && sym_ext) { 214301406b9SFrederic Weisbecker path = sym_ext[offset].path; 215301406b9SFrederic Weisbecker percent = sym_ext[offset].percent; 216e4204992SArnaldo Carvalho de Melo } else if (h->sum) 217e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 21886470930SIngo Molnar 2191e11fd82SFrederic Weisbecker color = get_percent_color(percent); 22086470930SIngo Molnar 221301406b9SFrederic Weisbecker /* 222301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 223301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 224301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 225301406b9SFrederic Weisbecker */ 226301406b9SFrederic Weisbecker if (path) { 227301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 228301406b9SFrederic Weisbecker || color != prev_color) { 229301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 230301406b9SFrederic Weisbecker prev_line = path; 231301406b9SFrederic Weisbecker prev_color = color; 232301406b9SFrederic Weisbecker } 233301406b9SFrederic Weisbecker } 234301406b9SFrederic Weisbecker 23586470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 23686470930SIngo Molnar printf(" : "); 23786470930SIngo Molnar color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); 23886470930SIngo Molnar } else { 23986470930SIngo Molnar if (!*line) 24086470930SIngo Molnar printf(" :\n"); 24186470930SIngo Molnar else 24286470930SIngo Molnar printf(" : %s\n", line); 24386470930SIngo Molnar } 24486470930SIngo Molnar 24586470930SIngo Molnar return 0; 24686470930SIngo Molnar } 24786470930SIngo Molnar 248971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 249971738f3SFrederic Weisbecker 250971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 251971738f3SFrederic Weisbecker { 252971738f3SFrederic Weisbecker struct sym_ext *iter; 253971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 254971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 255971738f3SFrederic Weisbecker 256971738f3SFrederic Weisbecker while (*p != NULL) { 257971738f3SFrederic Weisbecker parent = *p; 258971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 259971738f3SFrederic Weisbecker 260971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 261971738f3SFrederic Weisbecker p = &(*p)->rb_left; 262971738f3SFrederic Weisbecker else 263971738f3SFrederic Weisbecker p = &(*p)->rb_right; 264971738f3SFrederic Weisbecker } 265971738f3SFrederic Weisbecker 266971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 267971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 268971738f3SFrederic Weisbecker } 269971738f3SFrederic Weisbecker 270e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 271301406b9SFrederic Weisbecker { 27200a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->sym); 273e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 274301406b9SFrederic Weisbecker int i; 275301406b9SFrederic Weisbecker 276301406b9SFrederic Weisbecker if (!sym_ext) 277301406b9SFrederic Weisbecker return; 278301406b9SFrederic Weisbecker 279301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 280301406b9SFrederic Weisbecker free(sym_ext[i].path); 281301406b9SFrederic Weisbecker free(sym_ext); 282301406b9SFrederic Weisbecker 283e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 284971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 285301406b9SFrederic Weisbecker } 286301406b9SFrederic Weisbecker 287301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 288c17c2db1SFrederic Weisbecker static void 289ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 290301406b9SFrederic Weisbecker { 291ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 292ed52ce2eSArnaldo Carvalho de Melo u64 start; 293301406b9SFrederic Weisbecker int i; 294301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 295301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 29600a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 297e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 298301406b9SFrederic Weisbecker 299e4204992SArnaldo Carvalho de Melo if (!h->sum) 300301406b9SFrederic Weisbecker return; 301301406b9SFrederic Weisbecker 302e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 303e4204992SArnaldo Carvalho de Melo if (!priv->ext) 304301406b9SFrederic Weisbecker return; 305301406b9SFrederic Weisbecker 306ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 307301406b9SFrederic Weisbecker 308301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 309301406b9SFrederic Weisbecker char *path = NULL; 310301406b9SFrederic Weisbecker size_t line_len; 3119cffa8d5SPaul Mackerras u64 offset; 312301406b9SFrederic Weisbecker FILE *fp; 313301406b9SFrederic Weisbecker 314e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 315301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 316301406b9SFrederic Weisbecker continue; 317301406b9SFrederic Weisbecker 318ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 319c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 320301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 321301406b9SFrederic Weisbecker if (!fp) 322301406b9SFrederic Weisbecker continue; 323301406b9SFrederic Weisbecker 324301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 325301406b9SFrederic Weisbecker goto next; 326301406b9SFrederic Weisbecker 327c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 328301406b9SFrederic Weisbecker if (!sym_ext[i].path) 329301406b9SFrederic Weisbecker goto next; 330301406b9SFrederic Weisbecker 331301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 332971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 333301406b9SFrederic Weisbecker 334301406b9SFrederic Weisbecker next: 335301406b9SFrederic Weisbecker pclose(fp); 336301406b9SFrederic Weisbecker } 337301406b9SFrederic Weisbecker } 338301406b9SFrederic Weisbecker 33983a0944fSIngo Molnar static void print_summary(const char *filename) 340971738f3SFrederic Weisbecker { 341971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 342971738f3SFrederic Weisbecker struct rb_node *node; 343971738f3SFrederic Weisbecker 344971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 345971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 346971738f3SFrederic Weisbecker 347971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 348971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 349971738f3SFrederic Weisbecker return; 350971738f3SFrederic Weisbecker } 351971738f3SFrederic Weisbecker 352971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 353971738f3SFrederic Weisbecker while (node) { 354971738f3SFrederic Weisbecker double percent; 35583a0944fSIngo Molnar const char *color; 356971738f3SFrederic Weisbecker char *path; 357971738f3SFrederic Weisbecker 358971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 359971738f3SFrederic Weisbecker percent = sym_ext->percent; 3601e11fd82SFrederic Weisbecker color = get_percent_color(percent); 361971738f3SFrederic Weisbecker path = sym_ext->path; 362971738f3SFrederic Weisbecker 363971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 364971738f3SFrederic Weisbecker node = rb_next(node); 365971738f3SFrederic Weisbecker } 366971738f3SFrederic Weisbecker } 367971738f3SFrederic Weisbecker 368ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 36986470930SIngo Molnar { 370ed52ce2eSArnaldo Carvalho de Melo struct map *map = he->map; 371ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 372ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 373439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 374439d473bSArnaldo Carvalho de Melo u64 len; 37586470930SIngo Molnar char command[PATH_MAX*2]; 37686470930SIngo Molnar FILE *file; 37786470930SIngo Molnar 37886470930SIngo Molnar if (!filename) 37986470930SIngo Molnar return; 38086470930SIngo Molnar 381ed52ce2eSArnaldo Carvalho de Melo if (verbose) 382ed52ce2eSArnaldo Carvalho de Melo fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n", 383ed52ce2eSArnaldo Carvalho de Melo __func__, filename, sym->name, 384ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->start), 385ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 386ed52ce2eSArnaldo Carvalho de Melo 38742976487SMike Galbraith if (full_paths) 38842976487SMike Galbraith d_filename = filename; 38942976487SMike Galbraith else 39042976487SMike Galbraith d_filename = basename(filename); 39186470930SIngo Molnar 39286470930SIngo Molnar len = sym->end - sym->start; 39386470930SIngo Molnar 394971738f3SFrederic Weisbecker if (print_line) { 395ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 396971738f3SFrederic Weisbecker print_summary(filename); 397971738f3SFrederic Weisbecker } 398971738f3SFrederic Weisbecker 399971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 40042976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 401971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 402971738f3SFrederic Weisbecker 403971738f3SFrederic Weisbecker if (verbose >= 2) 404439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 405439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 406301406b9SFrederic Weisbecker 40742976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 408ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end), 409ed52ce2eSArnaldo Carvalho de Melo filename, filename); 41086470930SIngo Molnar 41186470930SIngo Molnar if (verbose >= 3) 41286470930SIngo Molnar printf("doing: %s\n", command); 41386470930SIngo Molnar 41486470930SIngo Molnar file = popen(command, "r"); 41586470930SIngo Molnar if (!file) 41686470930SIngo Molnar return; 41786470930SIngo Molnar 41886470930SIngo Molnar while (!feof(file)) { 419ed52ce2eSArnaldo Carvalho de Melo if (parse_line(file, he, len) < 0) 42086470930SIngo Molnar break; 42186470930SIngo Molnar } 42286470930SIngo Molnar 42386470930SIngo Molnar pclose(file); 424971738f3SFrederic Weisbecker if (print_line) 425e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 42686470930SIngo Molnar } 42786470930SIngo Molnar 4284e4f06e4SArnaldo Carvalho de Melo static void perf_session__find_annotations(struct perf_session *self) 42986470930SIngo Molnar { 43086470930SIngo Molnar struct rb_node *nd; 43186470930SIngo Molnar 4324e4f06e4SArnaldo Carvalho de Melo for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { 433ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 434e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 43586470930SIngo Molnar 436e4204992SArnaldo Carvalho de Melo if (he->sym == NULL) 437e4204992SArnaldo Carvalho de Melo continue; 438e4204992SArnaldo Carvalho de Melo 43900a192b3SArnaldo Carvalho de Melo priv = symbol__priv(he->sym); 440e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 441e4204992SArnaldo Carvalho de Melo continue; 442e4204992SArnaldo Carvalho de Melo 443ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 444ed52ce2eSArnaldo Carvalho de Melo /* 445e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 446e4204992SArnaldo Carvalho de Melo * he->sym->hist to signal we already processed this symbol. 447ed52ce2eSArnaldo Carvalho de Melo */ 448e4204992SArnaldo Carvalho de Melo free(priv->hist); 449e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 45086470930SIngo Molnar } 45186470930SIngo Molnar } 45286470930SIngo Molnar 453301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 454bab81b62SLi Zefan .process_sample_event = process_sample_event, 455bab81b62SLi Zefan .process_mmap_event = event__process_mmap, 456bab81b62SLi Zefan .process_comm_event = event__process_comm, 457bab81b62SLi Zefan .process_fork_event = event__process_task, 458bab81b62SLi Zefan }; 459bab81b62SLi Zefan 46086470930SIngo Molnar static int __cmd_annotate(void) 46186470930SIngo Molnar { 462bab81b62SLi Zefan int ret; 46375be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 46486470930SIngo Molnar 46575be6cf4SArnaldo Carvalho de Melo session = perf_session__new(input_name, O_RDONLY, force); 46694c744b6SArnaldo Carvalho de Melo if (session == NULL) 46794c744b6SArnaldo Carvalho de Melo return -ENOMEM; 46894c744b6SArnaldo Carvalho de Melo 469ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 470bab81b62SLi Zefan if (ret) 47194c744b6SArnaldo Carvalho de Melo goto out_delete; 47286470930SIngo Molnar 47362daacb5SArnaldo Carvalho de Melo if (dump_trace) { 47462daacb5SArnaldo Carvalho de Melo event__print_totals(); 47594c744b6SArnaldo Carvalho de Melo goto out_delete; 47662daacb5SArnaldo Carvalho de Melo } 47786470930SIngo Molnar 478da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 479b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 48086470930SIngo Molnar 481da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 48286470930SIngo Molnar dsos__fprintf(stdout); 48386470930SIngo Molnar 4844e4f06e4SArnaldo Carvalho de Melo perf_session__collapse_resort(session); 485f823e441SArnaldo Carvalho de Melo perf_session__output_resort(session, session->event_total[0]); 4864e4f06e4SArnaldo Carvalho de Melo perf_session__find_annotations(session); 48794c744b6SArnaldo Carvalho de Melo out_delete: 48894c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 48986470930SIngo Molnar 490bab81b62SLi Zefan return ret; 49186470930SIngo Molnar } 49286470930SIngo Molnar 49386470930SIngo Molnar static const char * const annotate_usage[] = { 49486470930SIngo Molnar "perf annotate [<options>] <command>", 49586470930SIngo Molnar NULL 49686470930SIngo Molnar }; 49786470930SIngo Molnar 49886470930SIngo Molnar static const struct option options[] = { 49986470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 50086470930SIngo Molnar "input file name"), 50123b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 50286470930SIngo Molnar "symbol to annotate"), 503fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 50486470930SIngo Molnar OPT_BOOLEAN('v', "verbose", &verbose, 50586470930SIngo Molnar "be more verbose (show symbol address, etc)"), 50686470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 50786470930SIngo Molnar "dump raw trace in ASCII"), 508b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 509b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 510b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 51142976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 512301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 513301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 51442976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 51542976487SMike Galbraith "Don't shorten the displayed pathnames"), 51686470930SIngo Molnar OPT_END() 51786470930SIngo Molnar }; 51886470930SIngo Molnar 519f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 52086470930SIngo Molnar { 521655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 522655000e7SArnaldo Carvalho de Melo 52375be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 52475be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 52575be6cf4SArnaldo Carvalho de Melo 52675be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 527b32d133aSArnaldo Carvalho de Melo return -1; 52886470930SIngo Molnar 529c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 53086470930SIngo Molnar 53186470930SIngo Molnar if (argc) { 53286470930SIngo Molnar /* 53386470930SIngo Molnar * Special case: if there's an argument left then assume tha 53486470930SIngo Molnar * it's a symbol filter: 53586470930SIngo Molnar */ 53686470930SIngo Molnar if (argc > 1) 53786470930SIngo Molnar usage_with_options(annotate_usage, options); 53886470930SIngo Molnar 53986470930SIngo Molnar sym_hist_filter = argv[0]; 54086470930SIngo Molnar } 54186470930SIngo Molnar 54286470930SIngo Molnar setup_pager(); 54386470930SIngo Molnar 544dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 545dd68ada2SJohn Kacur fputs("'.' is the only non valid --field-separator argument\n", 546dd68ada2SJohn Kacur stderr); 547dd68ada2SJohn Kacur exit(129); 548dd68ada2SJohn Kacur } 549dd68ada2SJohn Kacur 55086470930SIngo Molnar return __cmd_annotate(); 55186470930SIngo Molnar } 552