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 56628ada0cSArnaldo Carvalho de Melo static int sym__alloc_hist(struct symbol *self) 57e4204992SArnaldo Carvalho de Melo { 58628ada0cSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(self); 59e4204992SArnaldo Carvalho de Melo const int size = (sizeof(*priv->hist) + 60628ada0cSArnaldo Carvalho de Melo (self->end - self->start) * sizeof(u64)); 61e4204992SArnaldo Carvalho de Melo 62628ada0cSArnaldo Carvalho de Melo priv->hist = zalloc(size); 63628ada0cSArnaldo Carvalho de Melo return priv->hist == NULL ? -1 : 0; 64e4204992SArnaldo Carvalho de Melo } 6586470930SIngo Molnar 6686470930SIngo Molnar /* 6786470930SIngo Molnar * collect histogram counts 6886470930SIngo Molnar */ 69628ada0cSArnaldo Carvalho de Melo static int annotate__hist_hit(struct hist_entry *he, u64 ip) 7086470930SIngo Molnar { 7186470930SIngo Molnar unsigned int sym_size, offset; 7286470930SIngo Molnar struct symbol *sym = he->sym; 73e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 74e4204992SArnaldo Carvalho de Melo struct sym_hist *h; 7586470930SIngo Molnar 7686470930SIngo Molnar he->count++; 7786470930SIngo Molnar 78e4204992SArnaldo Carvalho de Melo if (!sym || !he->map) 79628ada0cSArnaldo Carvalho de Melo return 0; 80e4204992SArnaldo Carvalho de Melo 8100a192b3SArnaldo Carvalho de Melo priv = symbol__priv(sym); 82628ada0cSArnaldo Carvalho de Melo if (priv->hist == NULL && sym__alloc_hist(sym) < 0) 83628ada0cSArnaldo Carvalho de Melo return -ENOMEM; 8486470930SIngo Molnar 8586470930SIngo Molnar sym_size = sym->end - sym->start; 8686470930SIngo Molnar offset = ip - sym->start; 8786470930SIngo Molnar 8829a9f66dSArnaldo Carvalho de Melo pr_debug3("%s: ip=%#Lx\n", __func__, he->map->unmap_ip(he->map, ip)); 89ed52ce2eSArnaldo Carvalho de Melo 9086470930SIngo Molnar if (offset >= sym_size) 91628ada0cSArnaldo Carvalho de Melo return 0; 9286470930SIngo Molnar 93e4204992SArnaldo Carvalho de Melo h = priv->hist; 94e4204992SArnaldo Carvalho de Melo h->sum++; 95e4204992SArnaldo Carvalho de Melo h->ip[offset]++; 9686470930SIngo Molnar 9729a9f66dSArnaldo Carvalho de Melo pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->sym->start, 9829a9f66dSArnaldo Carvalho de Melo he->sym->name, ip, ip - he->sym->start, h->ip[offset]); 99628ada0cSArnaldo Carvalho de Melo return 0; 10086470930SIngo Molnar } 10186470930SIngo Molnar 1024e4f06e4SArnaldo Carvalho de Melo static int perf_session__add_hist_entry(struct perf_session *self, 1034e4f06e4SArnaldo Carvalho de Melo struct addr_location *al, u64 count) 10486470930SIngo Molnar { 1059735abf1SArnaldo Carvalho de Melo bool hit; 106628ada0cSArnaldo Carvalho de Melo struct hist_entry *he; 107628ada0cSArnaldo Carvalho de Melo 108628ada0cSArnaldo Carvalho de Melo if (sym_hist_filter != NULL && 109628ada0cSArnaldo Carvalho de Melo (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) { 110628ada0cSArnaldo Carvalho de Melo /* We're only interested in a symbol named sym_hist_filter */ 111628ada0cSArnaldo Carvalho de Melo if (al->sym != NULL) { 112628ada0cSArnaldo Carvalho de Melo rb_erase(&al->sym->rb_node, 113628ada0cSArnaldo Carvalho de Melo &al->map->dso->symbols[al->map->type]); 114628ada0cSArnaldo Carvalho de Melo symbol__delete(al->sym); 115628ada0cSArnaldo Carvalho de Melo } 116628ada0cSArnaldo Carvalho de Melo return 0; 117628ada0cSArnaldo Carvalho de Melo } 118628ada0cSArnaldo Carvalho de Melo 119628ada0cSArnaldo Carvalho de Melo he = __perf_session__add_hist_entry(self, al, NULL, count, &hit); 1209735abf1SArnaldo Carvalho de Melo if (he == NULL) 12186470930SIngo Molnar return -ENOMEM; 122628ada0cSArnaldo Carvalho de Melo 123628ada0cSArnaldo Carvalho de Melo return annotate__hist_hit(he, al->addr); 12486470930SIngo Molnar } 12586470930SIngo Molnar 126b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 12786470930SIngo Molnar { 1281ed091c4SArnaldo Carvalho de Melo struct addr_location al; 1296baa0a5aSFrederic Weisbecker 1300d755034SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc, 1310d755034SArnaldo Carvalho de Melo event->ip.pid, event->ip.ip); 13286470930SIngo Molnar 133628ada0cSArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, NULL) < 0) { 13429a9f66dSArnaldo Carvalho de Melo pr_warning("problem processing %d event, skipping it.\n", 13586470930SIngo Molnar event->header.type); 13686470930SIngo Molnar return -1; 13786470930SIngo Molnar } 13886470930SIngo Molnar 139c410a338SArnaldo Carvalho de Melo if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) { 14029a9f66dSArnaldo Carvalho de Melo pr_warning("problem incrementing symbol count, " 141ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 14286470930SIngo Molnar return -1; 14386470930SIngo Molnar } 14486470930SIngo Molnar 14586470930SIngo Molnar return 0; 14686470930SIngo Molnar } 14786470930SIngo Molnar 148ed52ce2eSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, u64 len) 14986470930SIngo Molnar { 150ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 15186470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 152301406b9SFrederic Weisbecker static const char *prev_line; 153301406b9SFrederic Weisbecker static const char *prev_color; 15486470930SIngo Molnar unsigned int offset; 15586470930SIngo Molnar size_t line_len; 156ed52ce2eSArnaldo Carvalho de Melo u64 start; 157f37a291cSIngo Molnar s64 line_ip; 15886470930SIngo Molnar int ret; 15986470930SIngo Molnar char *c; 16086470930SIngo Molnar 16186470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 16286470930SIngo Molnar return -1; 16386470930SIngo Molnar if (!line) 16486470930SIngo Molnar return -1; 16586470930SIngo Molnar 16686470930SIngo Molnar c = strchr(line, '\n'); 16786470930SIngo Molnar if (c) 16886470930SIngo Molnar *c = 0; 16986470930SIngo Molnar 17086470930SIngo Molnar line_ip = -1; 17186470930SIngo Molnar offset = 0; 17286470930SIngo Molnar ret = -2; 17386470930SIngo Molnar 17486470930SIngo Molnar /* 17586470930SIngo Molnar * Strip leading spaces: 17686470930SIngo Molnar */ 17786470930SIngo Molnar tmp = line; 17886470930SIngo Molnar while (*tmp) { 17986470930SIngo Molnar if (*tmp != ' ') 18086470930SIngo Molnar break; 18186470930SIngo Molnar tmp++; 18286470930SIngo Molnar } 18386470930SIngo Molnar 18486470930SIngo Molnar if (*tmp) { 18586470930SIngo Molnar /* 18686470930SIngo Molnar * Parse hexa addresses followed by ':' 18786470930SIngo Molnar */ 18886470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 18986470930SIngo Molnar if (*tmp2 != ':') 19086470930SIngo Molnar line_ip = -1; 19186470930SIngo Molnar } 19286470930SIngo Molnar 1937a2b6209SKirill Smelkov start = map__rip_2objdump(he->map, sym->start); 194ed52ce2eSArnaldo Carvalho de Melo 19586470930SIngo Molnar if (line_ip != -1) { 196301406b9SFrederic Weisbecker const char *path = NULL; 19786470930SIngo Molnar unsigned int hits = 0; 19886470930SIngo Molnar double percent = 0.0; 19983a0944fSIngo Molnar const char *color; 20000a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 201e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 202e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 20386470930SIngo Molnar 204ed52ce2eSArnaldo Carvalho de Melo offset = line_ip - start; 20586470930SIngo Molnar if (offset < len) 206e4204992SArnaldo Carvalho de Melo hits = h->ip[offset]; 20786470930SIngo Molnar 208c17c2db1SFrederic Weisbecker if (offset < len && sym_ext) { 209301406b9SFrederic Weisbecker path = sym_ext[offset].path; 210301406b9SFrederic Weisbecker percent = sym_ext[offset].percent; 211e4204992SArnaldo Carvalho de Melo } else if (h->sum) 212e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 21386470930SIngo Molnar 2141e11fd82SFrederic Weisbecker color = get_percent_color(percent); 21586470930SIngo Molnar 216301406b9SFrederic Weisbecker /* 217301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 218301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 219301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 220301406b9SFrederic Weisbecker */ 221301406b9SFrederic Weisbecker if (path) { 222301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 223301406b9SFrederic Weisbecker || color != prev_color) { 224301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 225301406b9SFrederic Weisbecker prev_line = path; 226301406b9SFrederic Weisbecker prev_color = color; 227301406b9SFrederic Weisbecker } 228301406b9SFrederic Weisbecker } 229301406b9SFrederic Weisbecker 23086470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 23186470930SIngo Molnar printf(" : "); 23286470930SIngo Molnar color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); 23386470930SIngo Molnar } else { 23486470930SIngo Molnar if (!*line) 23586470930SIngo Molnar printf(" :\n"); 23686470930SIngo Molnar else 23786470930SIngo Molnar printf(" : %s\n", line); 23886470930SIngo Molnar } 23986470930SIngo Molnar 24086470930SIngo Molnar return 0; 24186470930SIngo Molnar } 24286470930SIngo Molnar 243971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 244971738f3SFrederic Weisbecker 245971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 246971738f3SFrederic Weisbecker { 247971738f3SFrederic Weisbecker struct sym_ext *iter; 248971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 249971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 250971738f3SFrederic Weisbecker 251971738f3SFrederic Weisbecker while (*p != NULL) { 252971738f3SFrederic Weisbecker parent = *p; 253971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 254971738f3SFrederic Weisbecker 255971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 256971738f3SFrederic Weisbecker p = &(*p)->rb_left; 257971738f3SFrederic Weisbecker else 258971738f3SFrederic Weisbecker p = &(*p)->rb_right; 259971738f3SFrederic Weisbecker } 260971738f3SFrederic Weisbecker 261971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 262971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 263971738f3SFrederic Weisbecker } 264971738f3SFrederic Weisbecker 265e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 266301406b9SFrederic Weisbecker { 26700a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->sym); 268e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 269301406b9SFrederic Weisbecker int i; 270301406b9SFrederic Weisbecker 271301406b9SFrederic Weisbecker if (!sym_ext) 272301406b9SFrederic Weisbecker return; 273301406b9SFrederic Weisbecker 274301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 275301406b9SFrederic Weisbecker free(sym_ext[i].path); 276301406b9SFrederic Weisbecker free(sym_ext); 277301406b9SFrederic Weisbecker 278e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 279971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 280301406b9SFrederic Weisbecker } 281301406b9SFrederic Weisbecker 282301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 283c17c2db1SFrederic Weisbecker static void 284ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 285301406b9SFrederic Weisbecker { 286ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 287ed52ce2eSArnaldo Carvalho de Melo u64 start; 288301406b9SFrederic Weisbecker int i; 289301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 290301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 29100a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 292e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 293301406b9SFrederic Weisbecker 294e4204992SArnaldo Carvalho de Melo if (!h->sum) 295301406b9SFrederic Weisbecker return; 296301406b9SFrederic Weisbecker 297e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 298e4204992SArnaldo Carvalho de Melo if (!priv->ext) 299301406b9SFrederic Weisbecker return; 300301406b9SFrederic Weisbecker 301ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 302301406b9SFrederic Weisbecker 303301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 304301406b9SFrederic Weisbecker char *path = NULL; 305301406b9SFrederic Weisbecker size_t line_len; 3069cffa8d5SPaul Mackerras u64 offset; 307301406b9SFrederic Weisbecker FILE *fp; 308301406b9SFrederic Weisbecker 309e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 310301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 311301406b9SFrederic Weisbecker continue; 312301406b9SFrederic Weisbecker 313ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 314c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 315301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 316301406b9SFrederic Weisbecker if (!fp) 317301406b9SFrederic Weisbecker continue; 318301406b9SFrederic Weisbecker 319301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 320301406b9SFrederic Weisbecker goto next; 321301406b9SFrederic Weisbecker 322c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 323301406b9SFrederic Weisbecker if (!sym_ext[i].path) 324301406b9SFrederic Weisbecker goto next; 325301406b9SFrederic Weisbecker 326301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 327971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 328301406b9SFrederic Weisbecker 329301406b9SFrederic Weisbecker next: 330301406b9SFrederic Weisbecker pclose(fp); 331301406b9SFrederic Weisbecker } 332301406b9SFrederic Weisbecker } 333301406b9SFrederic Weisbecker 33483a0944fSIngo Molnar static void print_summary(const char *filename) 335971738f3SFrederic Weisbecker { 336971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 337971738f3SFrederic Weisbecker struct rb_node *node; 338971738f3SFrederic Weisbecker 339971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 340971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 341971738f3SFrederic Weisbecker 342971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 343971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 344971738f3SFrederic Weisbecker return; 345971738f3SFrederic Weisbecker } 346971738f3SFrederic Weisbecker 347971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 348971738f3SFrederic Weisbecker while (node) { 349971738f3SFrederic Weisbecker double percent; 35083a0944fSIngo Molnar const char *color; 351971738f3SFrederic Weisbecker char *path; 352971738f3SFrederic Weisbecker 353971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 354971738f3SFrederic Weisbecker percent = sym_ext->percent; 3551e11fd82SFrederic Weisbecker color = get_percent_color(percent); 356971738f3SFrederic Weisbecker path = sym_ext->path; 357971738f3SFrederic Weisbecker 358971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 359971738f3SFrederic Weisbecker node = rb_next(node); 360971738f3SFrederic Weisbecker } 361971738f3SFrederic Weisbecker } 362971738f3SFrederic Weisbecker 363ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 36486470930SIngo Molnar { 365ed52ce2eSArnaldo Carvalho de Melo struct map *map = he->map; 366ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 367ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 368439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 369439d473bSArnaldo Carvalho de Melo u64 len; 37086470930SIngo Molnar char command[PATH_MAX*2]; 37186470930SIngo Molnar FILE *file; 37286470930SIngo Molnar 37386470930SIngo Molnar if (!filename) 37486470930SIngo Molnar return; 37586470930SIngo Molnar 37629a9f66dSArnaldo Carvalho de Melo pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, 37729a9f66dSArnaldo Carvalho de Melo filename, sym->name, map->unmap_ip(map, sym->start), 378ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 379ed52ce2eSArnaldo Carvalho de Melo 38042976487SMike Galbraith if (full_paths) 38142976487SMike Galbraith d_filename = filename; 38242976487SMike Galbraith else 38342976487SMike Galbraith d_filename = basename(filename); 38486470930SIngo Molnar 38586470930SIngo Molnar len = sym->end - sym->start; 38686470930SIngo Molnar 387971738f3SFrederic Weisbecker if (print_line) { 388ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 389971738f3SFrederic Weisbecker print_summary(filename); 390971738f3SFrederic Weisbecker } 391971738f3SFrederic Weisbecker 392971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 39342976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 394971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 395971738f3SFrederic Weisbecker 396971738f3SFrederic Weisbecker if (verbose >= 2) 397439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 398439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 399301406b9SFrederic Weisbecker 40042976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 4017a2b6209SKirill Smelkov map__rip_2objdump(map, sym->start), 4027a2b6209SKirill Smelkov map__rip_2objdump(map, sym->end), 403ed52ce2eSArnaldo Carvalho de Melo filename, filename); 40486470930SIngo Molnar 40586470930SIngo Molnar if (verbose >= 3) 40686470930SIngo Molnar printf("doing: %s\n", command); 40786470930SIngo Molnar 40886470930SIngo Molnar file = popen(command, "r"); 40986470930SIngo Molnar if (!file) 41086470930SIngo Molnar return; 41186470930SIngo Molnar 41286470930SIngo Molnar while (!feof(file)) { 413ed52ce2eSArnaldo Carvalho de Melo if (parse_line(file, he, len) < 0) 41486470930SIngo Molnar break; 41586470930SIngo Molnar } 41686470930SIngo Molnar 41786470930SIngo Molnar pclose(file); 418971738f3SFrederic Weisbecker if (print_line) 419e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 42086470930SIngo Molnar } 42186470930SIngo Molnar 4224e4f06e4SArnaldo Carvalho de Melo static void perf_session__find_annotations(struct perf_session *self) 42386470930SIngo Molnar { 42486470930SIngo Molnar struct rb_node *nd; 42586470930SIngo Molnar 4264e4f06e4SArnaldo Carvalho de Melo for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { 427ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 428e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 42986470930SIngo Molnar 430e4204992SArnaldo Carvalho de Melo if (he->sym == NULL) 431e4204992SArnaldo Carvalho de Melo continue; 432e4204992SArnaldo Carvalho de Melo 43300a192b3SArnaldo Carvalho de Melo priv = symbol__priv(he->sym); 434e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 435e4204992SArnaldo Carvalho de Melo continue; 436e4204992SArnaldo Carvalho de Melo 437ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 438ed52ce2eSArnaldo Carvalho de Melo /* 439e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 440e4204992SArnaldo Carvalho de Melo * he->sym->hist to signal we already processed this symbol. 441ed52ce2eSArnaldo Carvalho de Melo */ 442e4204992SArnaldo Carvalho de Melo free(priv->hist); 443e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 44486470930SIngo Molnar } 44586470930SIngo Molnar } 44686470930SIngo Molnar 447301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 44855aa640fSArnaldo Carvalho de Melo .sample = process_sample_event, 44955aa640fSArnaldo Carvalho de Melo .mmap = event__process_mmap, 45055aa640fSArnaldo Carvalho de Melo .comm = event__process_comm, 45155aa640fSArnaldo Carvalho de Melo .fork = event__process_task, 452bab81b62SLi Zefan }; 453bab81b62SLi Zefan 45486470930SIngo Molnar static int __cmd_annotate(void) 45586470930SIngo Molnar { 456bab81b62SLi Zefan int ret; 45775be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 45886470930SIngo Molnar 45975be6cf4SArnaldo Carvalho de Melo session = perf_session__new(input_name, O_RDONLY, force); 46094c744b6SArnaldo Carvalho de Melo if (session == NULL) 46194c744b6SArnaldo Carvalho de Melo return -ENOMEM; 46294c744b6SArnaldo Carvalho de Melo 463ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 464bab81b62SLi Zefan if (ret) 46594c744b6SArnaldo Carvalho de Melo goto out_delete; 46686470930SIngo Molnar 46762daacb5SArnaldo Carvalho de Melo if (dump_trace) { 46862daacb5SArnaldo Carvalho de Melo event__print_totals(); 46994c744b6SArnaldo Carvalho de Melo goto out_delete; 47062daacb5SArnaldo Carvalho de Melo } 47186470930SIngo Molnar 472da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 473b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 47486470930SIngo Molnar 475da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 47686470930SIngo Molnar dsos__fprintf(stdout); 47786470930SIngo Molnar 4784e4f06e4SArnaldo Carvalho de Melo perf_session__collapse_resort(session); 479f823e441SArnaldo Carvalho de Melo perf_session__output_resort(session, session->event_total[0]); 4804e4f06e4SArnaldo Carvalho de Melo perf_session__find_annotations(session); 48194c744b6SArnaldo Carvalho de Melo out_delete: 48294c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 48386470930SIngo Molnar 484bab81b62SLi Zefan return ret; 48586470930SIngo Molnar } 48686470930SIngo Molnar 48786470930SIngo Molnar static const char * const annotate_usage[] = { 48886470930SIngo Molnar "perf annotate [<options>] <command>", 48986470930SIngo Molnar NULL 49086470930SIngo Molnar }; 49186470930SIngo Molnar 49286470930SIngo Molnar static const struct option options[] = { 49386470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 49486470930SIngo Molnar "input file name"), 49523b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 49686470930SIngo Molnar "symbol to annotate"), 497fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 49886470930SIngo Molnar OPT_BOOLEAN('v', "verbose", &verbose, 49986470930SIngo Molnar "be more verbose (show symbol address, etc)"), 50086470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 50186470930SIngo Molnar "dump raw trace in ASCII"), 502b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 503b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 504b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 50542976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 506301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 507301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 50842976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 50942976487SMike Galbraith "Don't shorten the displayed pathnames"), 51086470930SIngo Molnar OPT_END() 51186470930SIngo Molnar }; 51286470930SIngo Molnar 513f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 51486470930SIngo Molnar { 515655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 516655000e7SArnaldo Carvalho de Melo 51775be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 51875be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 51975be6cf4SArnaldo Carvalho de Melo 52075be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 521b32d133aSArnaldo Carvalho de Melo return -1; 52286470930SIngo Molnar 523c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 52486470930SIngo Molnar 52586470930SIngo Molnar if (argc) { 52686470930SIngo Molnar /* 52786470930SIngo Molnar * Special case: if there's an argument left then assume tha 52886470930SIngo Molnar * it's a symbol filter: 52986470930SIngo Molnar */ 53086470930SIngo Molnar if (argc > 1) 53186470930SIngo Molnar usage_with_options(annotate_usage, options); 53286470930SIngo Molnar 53386470930SIngo Molnar sym_hist_filter = argv[0]; 53486470930SIngo Molnar } 53586470930SIngo Molnar 53686470930SIngo Molnar setup_pager(); 53786470930SIngo Molnar 538dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 53929a9f66dSArnaldo Carvalho de Melo pr_err("'.' is the only non valid --field-separator argument\n"); 54029a9f66dSArnaldo Carvalho de Melo return -1; 541dd68ada2SJohn Kacur } 542dd68ada2SJohn Kacur 54386470930SIngo Molnar return __cmd_annotate(); 54486470930SIngo Molnar } 545