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 119d403d0acSEric B Munson he = __perf_session__add_hist_entry(&self->hists, 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 14848fb4fddSArnaldo Carvalho de Melo struct objdump_line { 14948fb4fddSArnaldo Carvalho de Melo struct list_head node; 15048fb4fddSArnaldo Carvalho de Melo s64 offset; 15148fb4fddSArnaldo Carvalho de Melo char *line; 15248fb4fddSArnaldo Carvalho de Melo }; 15348fb4fddSArnaldo Carvalho de Melo 15448fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump_line__new(s64 offset, char *line) 15548fb4fddSArnaldo Carvalho de Melo { 15648fb4fddSArnaldo Carvalho de Melo struct objdump_line *self = malloc(sizeof(*self)); 15748fb4fddSArnaldo Carvalho de Melo 15848fb4fddSArnaldo Carvalho de Melo if (self != NULL) { 15948fb4fddSArnaldo Carvalho de Melo self->offset = offset; 16048fb4fddSArnaldo Carvalho de Melo self->line = line; 16148fb4fddSArnaldo Carvalho de Melo } 16248fb4fddSArnaldo Carvalho de Melo 16348fb4fddSArnaldo Carvalho de Melo return self; 16448fb4fddSArnaldo Carvalho de Melo } 16548fb4fddSArnaldo Carvalho de Melo 16648fb4fddSArnaldo Carvalho de Melo static void objdump_line__free(struct objdump_line *self) 16748fb4fddSArnaldo Carvalho de Melo { 16848fb4fddSArnaldo Carvalho de Melo free(self->line); 16948fb4fddSArnaldo Carvalho de Melo free(self); 17048fb4fddSArnaldo Carvalho de Melo } 17148fb4fddSArnaldo Carvalho de Melo 17248fb4fddSArnaldo Carvalho de Melo static void objdump__add_line(struct list_head *head, struct objdump_line *line) 17348fb4fddSArnaldo Carvalho de Melo { 17448fb4fddSArnaldo Carvalho de Melo list_add_tail(&line->node, head); 17548fb4fddSArnaldo Carvalho de Melo } 17648fb4fddSArnaldo Carvalho de Melo 17748fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump__get_next_ip_line(struct list_head *head, 17848fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos) 17948fb4fddSArnaldo Carvalho de Melo { 18048fb4fddSArnaldo Carvalho de Melo list_for_each_entry_continue(pos, head, node) 18148fb4fddSArnaldo Carvalho de Melo if (pos->offset >= 0) 18248fb4fddSArnaldo Carvalho de Melo return pos; 18348fb4fddSArnaldo Carvalho de Melo 18448fb4fddSArnaldo Carvalho de Melo return NULL; 18548fb4fddSArnaldo Carvalho de Melo } 18648fb4fddSArnaldo Carvalho de Melo 18748fb4fddSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, 18848fb4fddSArnaldo Carvalho de Melo struct list_head *head) 18986470930SIngo Molnar { 190ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 19148fb4fddSArnaldo Carvalho de Melo struct objdump_line *objdump_line; 19286470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 19386470930SIngo Molnar size_t line_len; 19448fb4fddSArnaldo Carvalho de Melo s64 line_ip, offset = -1; 19586470930SIngo Molnar char *c; 19686470930SIngo Molnar 19786470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 19886470930SIngo Molnar return -1; 19948fb4fddSArnaldo Carvalho de Melo 20086470930SIngo Molnar if (!line) 20186470930SIngo Molnar return -1; 20286470930SIngo Molnar 20386470930SIngo Molnar c = strchr(line, '\n'); 20486470930SIngo Molnar if (c) 20586470930SIngo Molnar *c = 0; 20686470930SIngo Molnar 20786470930SIngo Molnar line_ip = -1; 20886470930SIngo Molnar 20986470930SIngo Molnar /* 21086470930SIngo Molnar * Strip leading spaces: 21186470930SIngo Molnar */ 21286470930SIngo Molnar tmp = line; 21386470930SIngo Molnar while (*tmp) { 21486470930SIngo Molnar if (*tmp != ' ') 21586470930SIngo Molnar break; 21686470930SIngo Molnar tmp++; 21786470930SIngo Molnar } 21886470930SIngo Molnar 21986470930SIngo Molnar if (*tmp) { 22086470930SIngo Molnar /* 22186470930SIngo Molnar * Parse hexa addresses followed by ':' 22286470930SIngo Molnar */ 22386470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 22486470930SIngo Molnar if (*tmp2 != ':') 22586470930SIngo Molnar line_ip = -1; 22686470930SIngo Molnar } 22786470930SIngo Molnar 22886470930SIngo Molnar if (line_ip != -1) { 22948fb4fddSArnaldo Carvalho de Melo u64 start = map__rip_2objdump(he->map, sym->start); 23048fb4fddSArnaldo Carvalho de Melo offset = line_ip - start; 23148fb4fddSArnaldo Carvalho de Melo } 23248fb4fddSArnaldo Carvalho de Melo 23348fb4fddSArnaldo Carvalho de Melo objdump_line = objdump_line__new(offset, line); 23448fb4fddSArnaldo Carvalho de Melo if (objdump_line == NULL) { 23548fb4fddSArnaldo Carvalho de Melo free(line); 23648fb4fddSArnaldo Carvalho de Melo return -1; 23748fb4fddSArnaldo Carvalho de Melo } 23848fb4fddSArnaldo Carvalho de Melo objdump__add_line(head, objdump_line); 23948fb4fddSArnaldo Carvalho de Melo 24048fb4fddSArnaldo Carvalho de Melo return 0; 24148fb4fddSArnaldo Carvalho de Melo } 24248fb4fddSArnaldo Carvalho de Melo 24348fb4fddSArnaldo Carvalho de Melo static int objdump_line__print(struct objdump_line *self, 24448fb4fddSArnaldo Carvalho de Melo struct list_head *head, 24548fb4fddSArnaldo Carvalho de Melo struct hist_entry *he, u64 len) 24648fb4fddSArnaldo Carvalho de Melo { 24748fb4fddSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 24848fb4fddSArnaldo Carvalho de Melo static const char *prev_line; 24948fb4fddSArnaldo Carvalho de Melo static const char *prev_color; 25048fb4fddSArnaldo Carvalho de Melo 25148fb4fddSArnaldo Carvalho de Melo if (self->offset != -1) { 252301406b9SFrederic Weisbecker const char *path = NULL; 25386470930SIngo Molnar unsigned int hits = 0; 25486470930SIngo Molnar double percent = 0.0; 25583a0944fSIngo Molnar const char *color; 25600a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 257e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 258e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 25948fb4fddSArnaldo Carvalho de Melo s64 offset = self->offset; 26048fb4fddSArnaldo Carvalho de Melo struct objdump_line *next = objdump__get_next_ip_line(head, self); 26186470930SIngo Molnar 26248fb4fddSArnaldo Carvalho de Melo while (offset < (s64)len && 26348fb4fddSArnaldo Carvalho de Melo (next == NULL || offset < next->offset)) { 26448fb4fddSArnaldo Carvalho de Melo if (sym_ext) { 26548fb4fddSArnaldo Carvalho de Melo if (path == NULL) 266301406b9SFrederic Weisbecker path = sym_ext[offset].path; 26748fb4fddSArnaldo Carvalho de Melo percent += sym_ext[offset].percent; 26848fb4fddSArnaldo Carvalho de Melo } else 26948fb4fddSArnaldo Carvalho de Melo hits += h->ip[offset]; 27048fb4fddSArnaldo Carvalho de Melo 27148fb4fddSArnaldo Carvalho de Melo ++offset; 27248fb4fddSArnaldo Carvalho de Melo } 27348fb4fddSArnaldo Carvalho de Melo 27448fb4fddSArnaldo Carvalho de Melo if (sym_ext == NULL && h->sum) 275e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 27686470930SIngo Molnar 2771e11fd82SFrederic Weisbecker color = get_percent_color(percent); 27886470930SIngo Molnar 279301406b9SFrederic Weisbecker /* 280301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 281301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 282301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 283301406b9SFrederic Weisbecker */ 284301406b9SFrederic Weisbecker if (path) { 285301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 286301406b9SFrederic Weisbecker || color != prev_color) { 287301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 288301406b9SFrederic Weisbecker prev_line = path; 289301406b9SFrederic Weisbecker prev_color = color; 290301406b9SFrederic Weisbecker } 291301406b9SFrederic Weisbecker } 292301406b9SFrederic Weisbecker 29386470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 29486470930SIngo Molnar printf(" : "); 29548fb4fddSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line); 29686470930SIngo Molnar } else { 29748fb4fddSArnaldo Carvalho de Melo if (!*self->line) 29886470930SIngo Molnar printf(" :\n"); 29986470930SIngo Molnar else 30048fb4fddSArnaldo Carvalho de Melo printf(" : %s\n", self->line); 30186470930SIngo Molnar } 30286470930SIngo Molnar 30386470930SIngo Molnar return 0; 30486470930SIngo Molnar } 30586470930SIngo Molnar 306971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 307971738f3SFrederic Weisbecker 308971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 309971738f3SFrederic Weisbecker { 310971738f3SFrederic Weisbecker struct sym_ext *iter; 311971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 312971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 313971738f3SFrederic Weisbecker 314971738f3SFrederic Weisbecker while (*p != NULL) { 315971738f3SFrederic Weisbecker parent = *p; 316971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 317971738f3SFrederic Weisbecker 318971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 319971738f3SFrederic Weisbecker p = &(*p)->rb_left; 320971738f3SFrederic Weisbecker else 321971738f3SFrederic Weisbecker p = &(*p)->rb_right; 322971738f3SFrederic Weisbecker } 323971738f3SFrederic Weisbecker 324971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 325971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 326971738f3SFrederic Weisbecker } 327971738f3SFrederic Weisbecker 328e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 329301406b9SFrederic Weisbecker { 33000a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->sym); 331e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 332301406b9SFrederic Weisbecker int i; 333301406b9SFrederic Weisbecker 334301406b9SFrederic Weisbecker if (!sym_ext) 335301406b9SFrederic Weisbecker return; 336301406b9SFrederic Weisbecker 337301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 338301406b9SFrederic Weisbecker free(sym_ext[i].path); 339301406b9SFrederic Weisbecker free(sym_ext); 340301406b9SFrederic Weisbecker 341e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 342971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 343301406b9SFrederic Weisbecker } 344301406b9SFrederic Weisbecker 345301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 346c17c2db1SFrederic Weisbecker static void 347ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 348301406b9SFrederic Weisbecker { 349ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 350ed52ce2eSArnaldo Carvalho de Melo u64 start; 351301406b9SFrederic Weisbecker int i; 352301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 353301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 35400a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 355e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 356301406b9SFrederic Weisbecker 357e4204992SArnaldo Carvalho de Melo if (!h->sum) 358301406b9SFrederic Weisbecker return; 359301406b9SFrederic Weisbecker 360e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 361e4204992SArnaldo Carvalho de Melo if (!priv->ext) 362301406b9SFrederic Weisbecker return; 363301406b9SFrederic Weisbecker 364ed52ce2eSArnaldo Carvalho de Melo start = he->map->unmap_ip(he->map, sym->start); 365301406b9SFrederic Weisbecker 366301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 367301406b9SFrederic Weisbecker char *path = NULL; 368301406b9SFrederic Weisbecker size_t line_len; 3699cffa8d5SPaul Mackerras u64 offset; 370301406b9SFrederic Weisbecker FILE *fp; 371301406b9SFrederic Weisbecker 372e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 373301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 374301406b9SFrederic Weisbecker continue; 375301406b9SFrederic Weisbecker 376ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 377c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 378301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 379301406b9SFrederic Weisbecker if (!fp) 380301406b9SFrederic Weisbecker continue; 381301406b9SFrederic Weisbecker 382301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 383301406b9SFrederic Weisbecker goto next; 384301406b9SFrederic Weisbecker 385c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 386301406b9SFrederic Weisbecker if (!sym_ext[i].path) 387301406b9SFrederic Weisbecker goto next; 388301406b9SFrederic Weisbecker 389301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 390971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 391301406b9SFrederic Weisbecker 392301406b9SFrederic Weisbecker next: 393301406b9SFrederic Weisbecker pclose(fp); 394301406b9SFrederic Weisbecker } 395301406b9SFrederic Weisbecker } 396301406b9SFrederic Weisbecker 39783a0944fSIngo Molnar static void print_summary(const char *filename) 398971738f3SFrederic Weisbecker { 399971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 400971738f3SFrederic Weisbecker struct rb_node *node; 401971738f3SFrederic Weisbecker 402971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 403971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 404971738f3SFrederic Weisbecker 405971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 406971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 407971738f3SFrederic Weisbecker return; 408971738f3SFrederic Weisbecker } 409971738f3SFrederic Weisbecker 410971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 411971738f3SFrederic Weisbecker while (node) { 412971738f3SFrederic Weisbecker double percent; 41383a0944fSIngo Molnar const char *color; 414971738f3SFrederic Weisbecker char *path; 415971738f3SFrederic Weisbecker 416971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 417971738f3SFrederic Weisbecker percent = sym_ext->percent; 4181e11fd82SFrederic Weisbecker color = get_percent_color(percent); 419971738f3SFrederic Weisbecker path = sym_ext->path; 420971738f3SFrederic Weisbecker 421971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 422971738f3SFrederic Weisbecker node = rb_next(node); 423971738f3SFrederic Weisbecker } 424971738f3SFrederic Weisbecker } 425971738f3SFrederic Weisbecker 42648fb4fddSArnaldo Carvalho de Melo static void hist_entry__print_hits(struct hist_entry *self) 42748fb4fddSArnaldo Carvalho de Melo { 42848fb4fddSArnaldo Carvalho de Melo struct symbol *sym = self->sym; 42948fb4fddSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 43048fb4fddSArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 43148fb4fddSArnaldo Carvalho de Melo u64 len = sym->end - sym->start, offset; 43248fb4fddSArnaldo Carvalho de Melo 43348fb4fddSArnaldo Carvalho de Melo for (offset = 0; offset < len; ++offset) 43448fb4fddSArnaldo Carvalho de Melo if (h->ip[offset] != 0) 43548fb4fddSArnaldo Carvalho de Melo printf("%*Lx: %Lu\n", BITS_PER_LONG / 2, 43648fb4fddSArnaldo Carvalho de Melo sym->start + offset, h->ip[offset]); 43748fb4fddSArnaldo Carvalho de Melo printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); 43848fb4fddSArnaldo Carvalho de Melo } 43948fb4fddSArnaldo Carvalho de Melo 440ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 44186470930SIngo Molnar { 442ed52ce2eSArnaldo Carvalho de Melo struct map *map = he->map; 443ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 444ed52ce2eSArnaldo Carvalho de Melo struct symbol *sym = he->sym; 445439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 446439d473bSArnaldo Carvalho de Melo u64 len; 44786470930SIngo Molnar char command[PATH_MAX*2]; 44886470930SIngo Molnar FILE *file; 44948fb4fddSArnaldo Carvalho de Melo LIST_HEAD(head); 45048fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos, *n; 45186470930SIngo Molnar 45286470930SIngo Molnar if (!filename) 45386470930SIngo Molnar return; 45486470930SIngo Molnar 45529a9f66dSArnaldo Carvalho de Melo pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, 45629a9f66dSArnaldo Carvalho de Melo filename, sym->name, map->unmap_ip(map, sym->start), 457ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 458ed52ce2eSArnaldo Carvalho de Melo 45942976487SMike Galbraith if (full_paths) 46042976487SMike Galbraith d_filename = filename; 46142976487SMike Galbraith else 46242976487SMike Galbraith d_filename = basename(filename); 46386470930SIngo Molnar 46486470930SIngo Molnar len = sym->end - sym->start; 46586470930SIngo Molnar 466971738f3SFrederic Weisbecker if (print_line) { 467ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 468971738f3SFrederic Weisbecker print_summary(filename); 469971738f3SFrederic Weisbecker } 470971738f3SFrederic Weisbecker 471971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 47242976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 473971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 474971738f3SFrederic Weisbecker 475971738f3SFrederic Weisbecker if (verbose >= 2) 476439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 477439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 478301406b9SFrederic Weisbecker 47942976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 4807a2b6209SKirill Smelkov map__rip_2objdump(map, sym->start), 4817a2b6209SKirill Smelkov map__rip_2objdump(map, sym->end), 482ed52ce2eSArnaldo Carvalho de Melo filename, filename); 48386470930SIngo Molnar 48486470930SIngo Molnar if (verbose >= 3) 48586470930SIngo Molnar printf("doing: %s\n", command); 48686470930SIngo Molnar 48786470930SIngo Molnar file = popen(command, "r"); 48886470930SIngo Molnar if (!file) 48986470930SIngo Molnar return; 49086470930SIngo Molnar 49186470930SIngo Molnar while (!feof(file)) { 49248fb4fddSArnaldo Carvalho de Melo if (parse_line(file, he, &head) < 0) 49386470930SIngo Molnar break; 49486470930SIngo Molnar } 49586470930SIngo Molnar 49686470930SIngo Molnar pclose(file); 49748fb4fddSArnaldo Carvalho de Melo 49848fb4fddSArnaldo Carvalho de Melo if (verbose) 49948fb4fddSArnaldo Carvalho de Melo hist_entry__print_hits(he); 50048fb4fddSArnaldo Carvalho de Melo 50148fb4fddSArnaldo Carvalho de Melo list_for_each_entry_safe(pos, n, &head, node) { 50248fb4fddSArnaldo Carvalho de Melo objdump_line__print(pos, &head, he, len); 50348fb4fddSArnaldo Carvalho de Melo list_del(&pos->node); 50448fb4fddSArnaldo Carvalho de Melo objdump_line__free(pos); 50548fb4fddSArnaldo Carvalho de Melo } 50648fb4fddSArnaldo Carvalho de Melo 507971738f3SFrederic Weisbecker if (print_line) 508e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 50986470930SIngo Molnar } 51086470930SIngo Molnar 5114e4f06e4SArnaldo Carvalho de Melo static void perf_session__find_annotations(struct perf_session *self) 51286470930SIngo Molnar { 51386470930SIngo Molnar struct rb_node *nd; 51486470930SIngo Molnar 5154e4f06e4SArnaldo Carvalho de Melo for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { 516ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 517e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 51886470930SIngo Molnar 519e4204992SArnaldo Carvalho de Melo if (he->sym == NULL) 520e4204992SArnaldo Carvalho de Melo continue; 521e4204992SArnaldo Carvalho de Melo 52200a192b3SArnaldo Carvalho de Melo priv = symbol__priv(he->sym); 523e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 524e4204992SArnaldo Carvalho de Melo continue; 525e4204992SArnaldo Carvalho de Melo 526ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 527ed52ce2eSArnaldo Carvalho de Melo /* 528e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 529e4204992SArnaldo Carvalho de Melo * he->sym->hist to signal we already processed this symbol. 530ed52ce2eSArnaldo Carvalho de Melo */ 531e4204992SArnaldo Carvalho de Melo free(priv->hist); 532e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 53386470930SIngo Molnar } 53486470930SIngo Molnar } 53586470930SIngo Molnar 536301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 53755aa640fSArnaldo Carvalho de Melo .sample = process_sample_event, 53855aa640fSArnaldo Carvalho de Melo .mmap = event__process_mmap, 53955aa640fSArnaldo Carvalho de Melo .comm = event__process_comm, 54055aa640fSArnaldo Carvalho de Melo .fork = event__process_task, 541bab81b62SLi Zefan }; 542bab81b62SLi Zefan 54386470930SIngo Molnar static int __cmd_annotate(void) 54486470930SIngo Molnar { 545bab81b62SLi Zefan int ret; 54675be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 54786470930SIngo Molnar 54875be6cf4SArnaldo Carvalho de Melo session = perf_session__new(input_name, O_RDONLY, force); 54994c744b6SArnaldo Carvalho de Melo if (session == NULL) 55094c744b6SArnaldo Carvalho de Melo return -ENOMEM; 55194c744b6SArnaldo Carvalho de Melo 552ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 553bab81b62SLi Zefan if (ret) 55494c744b6SArnaldo Carvalho de Melo goto out_delete; 55586470930SIngo Molnar 55662daacb5SArnaldo Carvalho de Melo if (dump_trace) { 55762daacb5SArnaldo Carvalho de Melo event__print_totals(); 55894c744b6SArnaldo Carvalho de Melo goto out_delete; 55962daacb5SArnaldo Carvalho de Melo } 56086470930SIngo Molnar 561da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 562b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 56386470930SIngo Molnar 564da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 56586470930SIngo Molnar dsos__fprintf(stdout); 56686470930SIngo Molnar 5674e4f06e4SArnaldo Carvalho de Melo perf_session__collapse_resort(session); 568f823e441SArnaldo Carvalho de Melo perf_session__output_resort(session, session->event_total[0]); 5694e4f06e4SArnaldo Carvalho de Melo perf_session__find_annotations(session); 57094c744b6SArnaldo Carvalho de Melo out_delete: 57194c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 57286470930SIngo Molnar 573bab81b62SLi Zefan return ret; 57486470930SIngo Molnar } 57586470930SIngo Molnar 57686470930SIngo Molnar static const char * const annotate_usage[] = { 57786470930SIngo Molnar "perf annotate [<options>] <command>", 57886470930SIngo Molnar NULL 57986470930SIngo Molnar }; 58086470930SIngo Molnar 58186470930SIngo Molnar static const struct option options[] = { 58286470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 58386470930SIngo Molnar "input file name"), 58423b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 58586470930SIngo Molnar "symbol to annotate"), 586fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 58786470930SIngo Molnar OPT_BOOLEAN('v', "verbose", &verbose, 58886470930SIngo Molnar "be more verbose (show symbol address, etc)"), 58986470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 59086470930SIngo Molnar "dump raw trace in ASCII"), 591b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 592b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 593b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 59442976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 595301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 596301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 59742976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 59842976487SMike Galbraith "Don't shorten the displayed pathnames"), 59986470930SIngo Molnar OPT_END() 60086470930SIngo Molnar }; 60186470930SIngo Molnar 602f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 60386470930SIngo Molnar { 604655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 605655000e7SArnaldo Carvalho de Melo 60675be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 60775be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 60875be6cf4SArnaldo Carvalho de Melo 60975be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 610b32d133aSArnaldo Carvalho de Melo return -1; 61186470930SIngo Molnar 612c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 61386470930SIngo Molnar 61486470930SIngo Molnar if (argc) { 61586470930SIngo Molnar /* 61686470930SIngo Molnar * Special case: if there's an argument left then assume tha 61786470930SIngo Molnar * it's a symbol filter: 61886470930SIngo Molnar */ 61986470930SIngo Molnar if (argc > 1) 62086470930SIngo Molnar usage_with_options(annotate_usage, options); 62186470930SIngo Molnar 62286470930SIngo Molnar sym_hist_filter = argv[0]; 62386470930SIngo Molnar } 62486470930SIngo Molnar 62586470930SIngo Molnar setup_pager(); 62686470930SIngo Molnar 627dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 62829a9f66dSArnaldo Carvalho de Melo pr_err("'.' is the only non valid --field-separator argument\n"); 62929a9f66dSArnaldo Carvalho de Melo return -1; 630dd68ada2SJohn Kacur } 631dd68ada2SJohn Kacur 63286470930SIngo Molnar return __cmd_annotate(); 63386470930SIngo Molnar } 634