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 1886470930SIngo Molnar #include "perf.h" 198f28827aSFrederic Weisbecker #include "util/debug.h" 2086470930SIngo Molnar 2162daacb5SArnaldo Carvalho de Melo #include "util/event.h" 2286470930SIngo Molnar #include "util/parse-options.h" 2386470930SIngo Molnar #include "util/parse-events.h" 246baa0a5aSFrederic Weisbecker #include "util/thread.h" 25dd68ada2SJohn Kacur #include "util/sort.h" 263d1d07ecSJohn Kacur #include "util/hist.h" 2794c744b6SArnaldo Carvalho de Melo #include "util/session.h" 2886470930SIngo Molnar 2986470930SIngo Molnar static char const *input_name = "perf.data"; 3086470930SIngo Molnar 31c0555642SIan Munsie static bool force; 3286470930SIngo Molnar 33c0555642SIan Munsie static bool full_paths; 3442976487SMike Galbraith 35c0555642SIan Munsie static bool print_line; 36301406b9SFrederic Weisbecker 37e4204992SArnaldo Carvalho de Melo struct sym_hist { 38e4204992SArnaldo Carvalho de Melo u64 sum; 39e4204992SArnaldo Carvalho de Melo u64 ip[0]; 40e4204992SArnaldo Carvalho de Melo }; 41e4204992SArnaldo Carvalho de Melo 42301406b9SFrederic Weisbecker struct sym_ext { 43971738f3SFrederic Weisbecker struct rb_node node; 44301406b9SFrederic Weisbecker double percent; 45301406b9SFrederic Weisbecker char *path; 46301406b9SFrederic Weisbecker }; 47301406b9SFrederic Weisbecker 48e4204992SArnaldo Carvalho de Melo struct sym_priv { 49e4204992SArnaldo Carvalho de Melo struct sym_hist *hist; 50e4204992SArnaldo Carvalho de Melo struct sym_ext *ext; 51e4204992SArnaldo Carvalho de Melo }; 52e4204992SArnaldo Carvalho de Melo 53e4204992SArnaldo Carvalho de Melo static const char *sym_hist_filter; 54e4204992SArnaldo Carvalho de Melo 55628ada0cSArnaldo Carvalho de Melo static int sym__alloc_hist(struct symbol *self) 56e4204992SArnaldo Carvalho de Melo { 57628ada0cSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(self); 58e4204992SArnaldo Carvalho de Melo const int size = (sizeof(*priv->hist) + 59628ada0cSArnaldo Carvalho de Melo (self->end - self->start) * sizeof(u64)); 60e4204992SArnaldo Carvalho de Melo 61628ada0cSArnaldo Carvalho de Melo priv->hist = zalloc(size); 62628ada0cSArnaldo Carvalho de Melo return priv->hist == NULL ? -1 : 0; 63e4204992SArnaldo Carvalho de Melo } 6486470930SIngo Molnar 6586470930SIngo Molnar /* 6686470930SIngo Molnar * collect histogram counts 6786470930SIngo Molnar */ 68628ada0cSArnaldo Carvalho de Melo static int annotate__hist_hit(struct hist_entry *he, u64 ip) 6986470930SIngo Molnar { 7086470930SIngo Molnar unsigned int sym_size, offset; 7159fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 72e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 73e4204992SArnaldo Carvalho de Melo struct sym_hist *h; 7486470930SIngo Molnar 7586470930SIngo Molnar he->count++; 7686470930SIngo Molnar 7759fd5306SArnaldo Carvalho de Melo if (!sym || !he->ms.map) 78628ada0cSArnaldo Carvalho de Melo return 0; 79e4204992SArnaldo Carvalho de Melo 8000a192b3SArnaldo Carvalho de Melo priv = symbol__priv(sym); 81628ada0cSArnaldo Carvalho de Melo if (priv->hist == NULL && sym__alloc_hist(sym) < 0) 82628ada0cSArnaldo Carvalho de Melo return -ENOMEM; 8386470930SIngo Molnar 8486470930SIngo Molnar sym_size = sym->end - sym->start; 8586470930SIngo Molnar offset = ip - sym->start; 8686470930SIngo Molnar 8759fd5306SArnaldo Carvalho de Melo pr_debug3("%s: ip=%#Lx\n", __func__, he->ms.map->unmap_ip(he->ms.map, ip)); 88ed52ce2eSArnaldo Carvalho de Melo 8986470930SIngo Molnar if (offset >= sym_size) 90628ada0cSArnaldo Carvalho de Melo return 0; 9186470930SIngo Molnar 92e4204992SArnaldo Carvalho de Melo h = priv->hist; 93e4204992SArnaldo Carvalho de Melo h->sum++; 94e4204992SArnaldo Carvalho de Melo h->ip[offset]++; 9586470930SIngo Molnar 9659fd5306SArnaldo Carvalho de Melo pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->ms.sym->start, 9759fd5306SArnaldo Carvalho de Melo he->ms.sym->name, ip, ip - he->ms.sym->start, h->ip[offset]); 98628ada0cSArnaldo Carvalho de Melo return 0; 9986470930SIngo Molnar } 10086470930SIngo Molnar 1014e4f06e4SArnaldo Carvalho de Melo static int perf_session__add_hist_entry(struct perf_session *self, 1024e4f06e4SArnaldo Carvalho de Melo struct addr_location *al, u64 count) 10386470930SIngo Molnar { 1049735abf1SArnaldo Carvalho de Melo bool hit; 105628ada0cSArnaldo Carvalho de Melo struct hist_entry *he; 106628ada0cSArnaldo Carvalho de Melo 107628ada0cSArnaldo Carvalho de Melo if (sym_hist_filter != NULL && 108628ada0cSArnaldo Carvalho de Melo (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) { 109628ada0cSArnaldo Carvalho de Melo /* We're only interested in a symbol named sym_hist_filter */ 110628ada0cSArnaldo Carvalho de Melo if (al->sym != NULL) { 111628ada0cSArnaldo Carvalho de Melo rb_erase(&al->sym->rb_node, 112628ada0cSArnaldo Carvalho de Melo &al->map->dso->symbols[al->map->type]); 113628ada0cSArnaldo Carvalho de Melo symbol__delete(al->sym); 114628ada0cSArnaldo Carvalho de Melo } 115628ada0cSArnaldo Carvalho de Melo return 0; 116628ada0cSArnaldo Carvalho de Melo } 117628ada0cSArnaldo Carvalho de Melo 118d403d0acSEric B Munson he = __perf_session__add_hist_entry(&self->hists, al, NULL, count, &hit); 1199735abf1SArnaldo Carvalho de Melo if (he == NULL) 12086470930SIngo Molnar return -ENOMEM; 121628ada0cSArnaldo Carvalho de Melo 122628ada0cSArnaldo Carvalho de Melo return annotate__hist_hit(he, al->addr); 12386470930SIngo Molnar } 12486470930SIngo Molnar 125b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 12686470930SIngo Molnar { 1271ed091c4SArnaldo Carvalho de Melo struct addr_location al; 1286baa0a5aSFrederic Weisbecker 1290d755034SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc, 1300d755034SArnaldo Carvalho de Melo event->ip.pid, event->ip.ip); 13186470930SIngo Molnar 132628ada0cSArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, NULL) < 0) { 13329a9f66dSArnaldo Carvalho de Melo pr_warning("problem processing %d event, skipping it.\n", 13486470930SIngo Molnar event->header.type); 13586470930SIngo Molnar return -1; 13686470930SIngo Molnar } 13786470930SIngo Molnar 138c410a338SArnaldo Carvalho de Melo if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) { 13929a9f66dSArnaldo Carvalho de Melo pr_warning("problem incrementing symbol count, " 140ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 14186470930SIngo Molnar return -1; 14286470930SIngo Molnar } 14386470930SIngo Molnar 14486470930SIngo Molnar return 0; 14586470930SIngo Molnar } 14686470930SIngo Molnar 14748fb4fddSArnaldo Carvalho de Melo struct objdump_line { 14848fb4fddSArnaldo Carvalho de Melo struct list_head node; 14948fb4fddSArnaldo Carvalho de Melo s64 offset; 15048fb4fddSArnaldo Carvalho de Melo char *line; 15148fb4fddSArnaldo Carvalho de Melo }; 15248fb4fddSArnaldo Carvalho de Melo 15348fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump_line__new(s64 offset, char *line) 15448fb4fddSArnaldo Carvalho de Melo { 15548fb4fddSArnaldo Carvalho de Melo struct objdump_line *self = malloc(sizeof(*self)); 15648fb4fddSArnaldo Carvalho de Melo 15748fb4fddSArnaldo Carvalho de Melo if (self != NULL) { 15848fb4fddSArnaldo Carvalho de Melo self->offset = offset; 15948fb4fddSArnaldo Carvalho de Melo self->line = line; 16048fb4fddSArnaldo Carvalho de Melo } 16148fb4fddSArnaldo Carvalho de Melo 16248fb4fddSArnaldo Carvalho de Melo return self; 16348fb4fddSArnaldo Carvalho de Melo } 16448fb4fddSArnaldo Carvalho de Melo 16548fb4fddSArnaldo Carvalho de Melo static void objdump_line__free(struct objdump_line *self) 16648fb4fddSArnaldo Carvalho de Melo { 16748fb4fddSArnaldo Carvalho de Melo free(self->line); 16848fb4fddSArnaldo Carvalho de Melo free(self); 16948fb4fddSArnaldo Carvalho de Melo } 17048fb4fddSArnaldo Carvalho de Melo 17148fb4fddSArnaldo Carvalho de Melo static void objdump__add_line(struct list_head *head, struct objdump_line *line) 17248fb4fddSArnaldo Carvalho de Melo { 17348fb4fddSArnaldo Carvalho de Melo list_add_tail(&line->node, head); 17448fb4fddSArnaldo Carvalho de Melo } 17548fb4fddSArnaldo Carvalho de Melo 17648fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump__get_next_ip_line(struct list_head *head, 17748fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos) 17848fb4fddSArnaldo Carvalho de Melo { 17948fb4fddSArnaldo Carvalho de Melo list_for_each_entry_continue(pos, head, node) 18048fb4fddSArnaldo Carvalho de Melo if (pos->offset >= 0) 18148fb4fddSArnaldo Carvalho de Melo return pos; 18248fb4fddSArnaldo Carvalho de Melo 18348fb4fddSArnaldo Carvalho de Melo return NULL; 18448fb4fddSArnaldo Carvalho de Melo } 18548fb4fddSArnaldo Carvalho de Melo 18648fb4fddSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, 18748fb4fddSArnaldo Carvalho de Melo struct list_head *head) 18886470930SIngo Molnar { 18959fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 19048fb4fddSArnaldo Carvalho de Melo struct objdump_line *objdump_line; 19186470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 19286470930SIngo Molnar size_t line_len; 19348fb4fddSArnaldo Carvalho de Melo s64 line_ip, offset = -1; 19486470930SIngo Molnar char *c; 19586470930SIngo Molnar 19686470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 19786470930SIngo Molnar return -1; 19848fb4fddSArnaldo Carvalho de Melo 19986470930SIngo Molnar if (!line) 20086470930SIngo Molnar return -1; 20186470930SIngo Molnar 20286470930SIngo Molnar c = strchr(line, '\n'); 20386470930SIngo Molnar if (c) 20486470930SIngo Molnar *c = 0; 20586470930SIngo Molnar 20686470930SIngo Molnar line_ip = -1; 20786470930SIngo Molnar 20886470930SIngo Molnar /* 20986470930SIngo Molnar * Strip leading spaces: 21086470930SIngo Molnar */ 21186470930SIngo Molnar tmp = line; 21286470930SIngo Molnar while (*tmp) { 21386470930SIngo Molnar if (*tmp != ' ') 21486470930SIngo Molnar break; 21586470930SIngo Molnar tmp++; 21686470930SIngo Molnar } 21786470930SIngo Molnar 21886470930SIngo Molnar if (*tmp) { 21986470930SIngo Molnar /* 22086470930SIngo Molnar * Parse hexa addresses followed by ':' 22186470930SIngo Molnar */ 22286470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 22386470930SIngo Molnar if (*tmp2 != ':') 22486470930SIngo Molnar line_ip = -1; 22586470930SIngo Molnar } 22686470930SIngo Molnar 22786470930SIngo Molnar if (line_ip != -1) { 22859fd5306SArnaldo Carvalho de Melo u64 start = map__rip_2objdump(he->ms.map, sym->start); 22948fb4fddSArnaldo Carvalho de Melo offset = line_ip - start; 23048fb4fddSArnaldo Carvalho de Melo } 23148fb4fddSArnaldo Carvalho de Melo 23248fb4fddSArnaldo Carvalho de Melo objdump_line = objdump_line__new(offset, line); 23348fb4fddSArnaldo Carvalho de Melo if (objdump_line == NULL) { 23448fb4fddSArnaldo Carvalho de Melo free(line); 23548fb4fddSArnaldo Carvalho de Melo return -1; 23648fb4fddSArnaldo Carvalho de Melo } 23748fb4fddSArnaldo Carvalho de Melo objdump__add_line(head, objdump_line); 23848fb4fddSArnaldo Carvalho de Melo 23948fb4fddSArnaldo Carvalho de Melo return 0; 24048fb4fddSArnaldo Carvalho de Melo } 24148fb4fddSArnaldo Carvalho de Melo 24248fb4fddSArnaldo Carvalho de Melo static int objdump_line__print(struct objdump_line *self, 24348fb4fddSArnaldo Carvalho de Melo struct list_head *head, 24448fb4fddSArnaldo Carvalho de Melo struct hist_entry *he, u64 len) 24548fb4fddSArnaldo Carvalho de Melo { 24659fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 24748fb4fddSArnaldo Carvalho de Melo static const char *prev_line; 24848fb4fddSArnaldo Carvalho de Melo static const char *prev_color; 24948fb4fddSArnaldo Carvalho de Melo 25048fb4fddSArnaldo Carvalho de Melo if (self->offset != -1) { 251301406b9SFrederic Weisbecker const char *path = NULL; 25286470930SIngo Molnar unsigned int hits = 0; 25386470930SIngo Molnar double percent = 0.0; 25483a0944fSIngo Molnar const char *color; 25500a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 256e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 257e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 25848fb4fddSArnaldo Carvalho de Melo s64 offset = self->offset; 25948fb4fddSArnaldo Carvalho de Melo struct objdump_line *next = objdump__get_next_ip_line(head, self); 26086470930SIngo Molnar 26148fb4fddSArnaldo Carvalho de Melo while (offset < (s64)len && 26248fb4fddSArnaldo Carvalho de Melo (next == NULL || offset < next->offset)) { 26348fb4fddSArnaldo Carvalho de Melo if (sym_ext) { 26448fb4fddSArnaldo Carvalho de Melo if (path == NULL) 265301406b9SFrederic Weisbecker path = sym_ext[offset].path; 26648fb4fddSArnaldo Carvalho de Melo percent += sym_ext[offset].percent; 26748fb4fddSArnaldo Carvalho de Melo } else 26848fb4fddSArnaldo Carvalho de Melo hits += h->ip[offset]; 26948fb4fddSArnaldo Carvalho de Melo 27048fb4fddSArnaldo Carvalho de Melo ++offset; 27148fb4fddSArnaldo Carvalho de Melo } 27248fb4fddSArnaldo Carvalho de Melo 27348fb4fddSArnaldo Carvalho de Melo if (sym_ext == NULL && h->sum) 274e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 27586470930SIngo Molnar 2761e11fd82SFrederic Weisbecker color = get_percent_color(percent); 27786470930SIngo Molnar 278301406b9SFrederic Weisbecker /* 279301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 280301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 281301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 282301406b9SFrederic Weisbecker */ 283301406b9SFrederic Weisbecker if (path) { 284301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 285301406b9SFrederic Weisbecker || color != prev_color) { 286301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 287301406b9SFrederic Weisbecker prev_line = path; 288301406b9SFrederic Weisbecker prev_color = color; 289301406b9SFrederic Weisbecker } 290301406b9SFrederic Weisbecker } 291301406b9SFrederic Weisbecker 29286470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 29386470930SIngo Molnar printf(" : "); 29448fb4fddSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line); 29586470930SIngo Molnar } else { 29648fb4fddSArnaldo Carvalho de Melo if (!*self->line) 29786470930SIngo Molnar printf(" :\n"); 29886470930SIngo Molnar else 29948fb4fddSArnaldo Carvalho de Melo printf(" : %s\n", self->line); 30086470930SIngo Molnar } 30186470930SIngo Molnar 30286470930SIngo Molnar return 0; 30386470930SIngo Molnar } 30486470930SIngo Molnar 305971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 306971738f3SFrederic Weisbecker 307971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 308971738f3SFrederic Weisbecker { 309971738f3SFrederic Weisbecker struct sym_ext *iter; 310971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 311971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 312971738f3SFrederic Weisbecker 313971738f3SFrederic Weisbecker while (*p != NULL) { 314971738f3SFrederic Weisbecker parent = *p; 315971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 316971738f3SFrederic Weisbecker 317971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 318971738f3SFrederic Weisbecker p = &(*p)->rb_left; 319971738f3SFrederic Weisbecker else 320971738f3SFrederic Weisbecker p = &(*p)->rb_right; 321971738f3SFrederic Weisbecker } 322971738f3SFrederic Weisbecker 323971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 324971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 325971738f3SFrederic Weisbecker } 326971738f3SFrederic Weisbecker 327e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 328301406b9SFrederic Weisbecker { 32959fd5306SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->ms.sym); 330e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 331301406b9SFrederic Weisbecker int i; 332301406b9SFrederic Weisbecker 333301406b9SFrederic Weisbecker if (!sym_ext) 334301406b9SFrederic Weisbecker return; 335301406b9SFrederic Weisbecker 336301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 337301406b9SFrederic Weisbecker free(sym_ext[i].path); 338301406b9SFrederic Weisbecker free(sym_ext); 339301406b9SFrederic Weisbecker 340e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 341971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 342301406b9SFrederic Weisbecker } 343301406b9SFrederic Weisbecker 344301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 345c17c2db1SFrederic Weisbecker static void 346ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 347301406b9SFrederic Weisbecker { 34859fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 349ed52ce2eSArnaldo Carvalho de Melo u64 start; 350301406b9SFrederic Weisbecker int i; 351301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 352301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 35300a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 354e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 355301406b9SFrederic Weisbecker 356e4204992SArnaldo Carvalho de Melo if (!h->sum) 357301406b9SFrederic Weisbecker return; 358301406b9SFrederic Weisbecker 359e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 360e4204992SArnaldo Carvalho de Melo if (!priv->ext) 361301406b9SFrederic Weisbecker return; 362301406b9SFrederic Weisbecker 36359fd5306SArnaldo Carvalho de Melo start = he->ms.map->unmap_ip(he->ms.map, sym->start); 364301406b9SFrederic Weisbecker 365301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 366301406b9SFrederic Weisbecker char *path = NULL; 367301406b9SFrederic Weisbecker size_t line_len; 3689cffa8d5SPaul Mackerras u64 offset; 369301406b9SFrederic Weisbecker FILE *fp; 370301406b9SFrederic Weisbecker 371e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 372301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 373301406b9SFrederic Weisbecker continue; 374301406b9SFrederic Weisbecker 375ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 376c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 377301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 378301406b9SFrederic Weisbecker if (!fp) 379301406b9SFrederic Weisbecker continue; 380301406b9SFrederic Weisbecker 381301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 382301406b9SFrederic Weisbecker goto next; 383301406b9SFrederic Weisbecker 384c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 385301406b9SFrederic Weisbecker if (!sym_ext[i].path) 386301406b9SFrederic Weisbecker goto next; 387301406b9SFrederic Weisbecker 388301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 389971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 390301406b9SFrederic Weisbecker 391301406b9SFrederic Weisbecker next: 392301406b9SFrederic Weisbecker pclose(fp); 393301406b9SFrederic Weisbecker } 394301406b9SFrederic Weisbecker } 395301406b9SFrederic Weisbecker 39683a0944fSIngo Molnar static void print_summary(const char *filename) 397971738f3SFrederic Weisbecker { 398971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 399971738f3SFrederic Weisbecker struct rb_node *node; 400971738f3SFrederic Weisbecker 401971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 402971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 403971738f3SFrederic Weisbecker 404971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 405971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 406971738f3SFrederic Weisbecker return; 407971738f3SFrederic Weisbecker } 408971738f3SFrederic Weisbecker 409971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 410971738f3SFrederic Weisbecker while (node) { 411971738f3SFrederic Weisbecker double percent; 41283a0944fSIngo Molnar const char *color; 413971738f3SFrederic Weisbecker char *path; 414971738f3SFrederic Weisbecker 415971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 416971738f3SFrederic Weisbecker percent = sym_ext->percent; 4171e11fd82SFrederic Weisbecker color = get_percent_color(percent); 418971738f3SFrederic Weisbecker path = sym_ext->path; 419971738f3SFrederic Weisbecker 420971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 421971738f3SFrederic Weisbecker node = rb_next(node); 422971738f3SFrederic Weisbecker } 423971738f3SFrederic Weisbecker } 424971738f3SFrederic Weisbecker 42548fb4fddSArnaldo Carvalho de Melo static void hist_entry__print_hits(struct hist_entry *self) 42648fb4fddSArnaldo Carvalho de Melo { 42759fd5306SArnaldo Carvalho de Melo struct symbol *sym = self->ms.sym; 42848fb4fddSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 42948fb4fddSArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 43048fb4fddSArnaldo Carvalho de Melo u64 len = sym->end - sym->start, offset; 43148fb4fddSArnaldo Carvalho de Melo 43248fb4fddSArnaldo Carvalho de Melo for (offset = 0; offset < len; ++offset) 43348fb4fddSArnaldo Carvalho de Melo if (h->ip[offset] != 0) 43448fb4fddSArnaldo Carvalho de Melo printf("%*Lx: %Lu\n", BITS_PER_LONG / 2, 43548fb4fddSArnaldo Carvalho de Melo sym->start + offset, h->ip[offset]); 43648fb4fddSArnaldo Carvalho de Melo printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); 43748fb4fddSArnaldo Carvalho de Melo } 43848fb4fddSArnaldo Carvalho de Melo 439ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 44086470930SIngo Molnar { 44159fd5306SArnaldo Carvalho de Melo struct map *map = he->ms.map; 442ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 44359fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 444439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 445439d473bSArnaldo Carvalho de Melo u64 len; 44686470930SIngo Molnar char command[PATH_MAX*2]; 44786470930SIngo Molnar FILE *file; 44848fb4fddSArnaldo Carvalho de Melo LIST_HEAD(head); 44948fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos, *n; 45086470930SIngo Molnar 45186470930SIngo Molnar if (!filename) 45286470930SIngo Molnar return; 45386470930SIngo Molnar 454d06d92b7SArnaldo Carvalho de Melo if (dso->origin == DSO__ORIG_KERNEL) { 455d06d92b7SArnaldo Carvalho de Melo if (dso->annotate_warned) 456d06d92b7SArnaldo Carvalho de Melo return; 457d06d92b7SArnaldo Carvalho de Melo dso->annotate_warned = 1; 458d06d92b7SArnaldo Carvalho de Melo pr_err("Can't annotate %s: No vmlinux file was found in the " 459d06d92b7SArnaldo Carvalho de Melo "path:\n", sym->name); 460d06d92b7SArnaldo Carvalho de Melo vmlinux_path__fprintf(stderr); 461d06d92b7SArnaldo Carvalho de Melo return; 462d06d92b7SArnaldo Carvalho de Melo } 463d06d92b7SArnaldo Carvalho de Melo 46429a9f66dSArnaldo Carvalho de Melo pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, 46529a9f66dSArnaldo Carvalho de Melo filename, sym->name, map->unmap_ip(map, sym->start), 466ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 467ed52ce2eSArnaldo Carvalho de Melo 46842976487SMike Galbraith if (full_paths) 46942976487SMike Galbraith d_filename = filename; 47042976487SMike Galbraith else 47142976487SMike Galbraith d_filename = basename(filename); 47286470930SIngo Molnar 47386470930SIngo Molnar len = sym->end - sym->start; 47486470930SIngo Molnar 475971738f3SFrederic Weisbecker if (print_line) { 476ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 477971738f3SFrederic Weisbecker print_summary(filename); 478971738f3SFrederic Weisbecker } 479971738f3SFrederic Weisbecker 480971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 48142976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 482971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 483971738f3SFrederic Weisbecker 484971738f3SFrederic Weisbecker if (verbose >= 2) 485439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 486439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 487301406b9SFrederic Weisbecker 48842976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 4897a2b6209SKirill Smelkov map__rip_2objdump(map, sym->start), 4907a2b6209SKirill Smelkov map__rip_2objdump(map, sym->end), 491ed52ce2eSArnaldo Carvalho de Melo filename, filename); 49286470930SIngo Molnar 49386470930SIngo Molnar if (verbose >= 3) 49486470930SIngo Molnar printf("doing: %s\n", command); 49586470930SIngo Molnar 49686470930SIngo Molnar file = popen(command, "r"); 49786470930SIngo Molnar if (!file) 49886470930SIngo Molnar return; 49986470930SIngo Molnar 50086470930SIngo Molnar while (!feof(file)) { 50148fb4fddSArnaldo Carvalho de Melo if (parse_line(file, he, &head) < 0) 50286470930SIngo Molnar break; 50386470930SIngo Molnar } 50486470930SIngo Molnar 50586470930SIngo Molnar pclose(file); 50648fb4fddSArnaldo Carvalho de Melo 50748fb4fddSArnaldo Carvalho de Melo if (verbose) 50848fb4fddSArnaldo Carvalho de Melo hist_entry__print_hits(he); 50948fb4fddSArnaldo Carvalho de Melo 51048fb4fddSArnaldo Carvalho de Melo list_for_each_entry_safe(pos, n, &head, node) { 51148fb4fddSArnaldo Carvalho de Melo objdump_line__print(pos, &head, he, len); 51248fb4fddSArnaldo Carvalho de Melo list_del(&pos->node); 51348fb4fddSArnaldo Carvalho de Melo objdump_line__free(pos); 51448fb4fddSArnaldo Carvalho de Melo } 51548fb4fddSArnaldo Carvalho de Melo 516971738f3SFrederic Weisbecker if (print_line) 517e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 51886470930SIngo Molnar } 51986470930SIngo Molnar 5204e4f06e4SArnaldo Carvalho de Melo static void perf_session__find_annotations(struct perf_session *self) 52186470930SIngo Molnar { 52286470930SIngo Molnar struct rb_node *nd; 52386470930SIngo Molnar 5244e4f06e4SArnaldo Carvalho de Melo for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) { 525ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 526e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 52786470930SIngo Molnar 52859fd5306SArnaldo Carvalho de Melo if (he->ms.sym == NULL) 529e4204992SArnaldo Carvalho de Melo continue; 530e4204992SArnaldo Carvalho de Melo 53159fd5306SArnaldo Carvalho de Melo priv = symbol__priv(he->ms.sym); 532e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 533e4204992SArnaldo Carvalho de Melo continue; 534e4204992SArnaldo Carvalho de Melo 535ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 536ed52ce2eSArnaldo Carvalho de Melo /* 537e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 53859fd5306SArnaldo Carvalho de Melo * he->ms.sym->hist to signal we already processed this symbol. 539ed52ce2eSArnaldo Carvalho de Melo */ 540e4204992SArnaldo Carvalho de Melo free(priv->hist); 541e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 54286470930SIngo Molnar } 54386470930SIngo Molnar } 54486470930SIngo Molnar 545301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 54655aa640fSArnaldo Carvalho de Melo .sample = process_sample_event, 54755aa640fSArnaldo Carvalho de Melo .mmap = event__process_mmap, 54855aa640fSArnaldo Carvalho de Melo .comm = event__process_comm, 54955aa640fSArnaldo Carvalho de Melo .fork = event__process_task, 550bab81b62SLi Zefan }; 551bab81b62SLi Zefan 55286470930SIngo Molnar static int __cmd_annotate(void) 55386470930SIngo Molnar { 554bab81b62SLi Zefan int ret; 55575be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 55686470930SIngo Molnar 557454c407eSTom Zanussi session = perf_session__new(input_name, O_RDONLY, force, false); 55894c744b6SArnaldo Carvalho de Melo if (session == NULL) 55994c744b6SArnaldo Carvalho de Melo return -ENOMEM; 56094c744b6SArnaldo Carvalho de Melo 561ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 562bab81b62SLi Zefan if (ret) 56394c744b6SArnaldo Carvalho de Melo goto out_delete; 56486470930SIngo Molnar 56562daacb5SArnaldo Carvalho de Melo if (dump_trace) { 56662daacb5SArnaldo Carvalho de Melo event__print_totals(); 56794c744b6SArnaldo Carvalho de Melo goto out_delete; 56862daacb5SArnaldo Carvalho de Melo } 56986470930SIngo Molnar 570da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 571b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 57286470930SIngo Molnar 573da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 574cbf69680SArnaldo Carvalho de Melo perf_session__fprintf_dsos(session, stdout); 57586470930SIngo Molnar 576eefc465cSEric B Munson perf_session__collapse_resort(&session->hists); 577eefc465cSEric B Munson perf_session__output_resort(&session->hists, session->event_total[0]); 5784e4f06e4SArnaldo Carvalho de Melo perf_session__find_annotations(session); 57994c744b6SArnaldo Carvalho de Melo out_delete: 58094c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 58186470930SIngo Molnar 582bab81b62SLi Zefan return ret; 58386470930SIngo Molnar } 58486470930SIngo Molnar 58586470930SIngo Molnar static const char * const annotate_usage[] = { 58686470930SIngo Molnar "perf annotate [<options>] <command>", 58786470930SIngo Molnar NULL 58886470930SIngo Molnar }; 58986470930SIngo Molnar 59086470930SIngo Molnar static const struct option options[] = { 59186470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 59286470930SIngo Molnar "input file name"), 593ac73c5a9SArnaldo Carvalho de Melo OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 594ac73c5a9SArnaldo Carvalho de Melo "only consider symbols in these dsos"), 59523b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 59686470930SIngo Molnar "symbol to annotate"), 597fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 598c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 59986470930SIngo Molnar "be more verbose (show symbol address, etc)"), 60086470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 60186470930SIngo Molnar "dump raw trace in ASCII"), 602b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 603b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 604b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 60542976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 606301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 607301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 60842976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 60942976487SMike Galbraith "Don't shorten the displayed pathnames"), 61086470930SIngo Molnar OPT_END() 61186470930SIngo Molnar }; 61286470930SIngo Molnar 613f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 61486470930SIngo Molnar { 615655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 616655000e7SArnaldo Carvalho de Melo 61775be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 61875be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 61975be6cf4SArnaldo Carvalho de Melo 62075be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 621b32d133aSArnaldo Carvalho de Melo return -1; 62286470930SIngo Molnar 623c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 62486470930SIngo Molnar 62586470930SIngo Molnar if (argc) { 62686470930SIngo Molnar /* 62786470930SIngo Molnar * Special case: if there's an argument left then assume tha 62886470930SIngo Molnar * it's a symbol filter: 62986470930SIngo Molnar */ 63086470930SIngo Molnar if (argc > 1) 63186470930SIngo Molnar usage_with_options(annotate_usage, options); 63286470930SIngo Molnar 63386470930SIngo Molnar sym_hist_filter = argv[0]; 63486470930SIngo Molnar } 63586470930SIngo Molnar 63686470930SIngo Molnar setup_pager(); 63786470930SIngo Molnar 638dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 63929a9f66dSArnaldo Carvalho de Melo pr_err("'.' is the only non valid --field-separator argument\n"); 64029a9f66dSArnaldo Carvalho de Melo return -1; 641dd68ada2SJohn Kacur } 642dd68ada2SJohn Kacur 64386470930SIngo Molnar return __cmd_annotate(); 64486470930SIngo Molnar } 645