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 7559fd5306SArnaldo Carvalho de Melo if (!sym || !he->ms.map) 76628ada0cSArnaldo Carvalho de Melo return 0; 77e4204992SArnaldo Carvalho de Melo 7800a192b3SArnaldo Carvalho de Melo priv = symbol__priv(sym); 79628ada0cSArnaldo Carvalho de Melo if (priv->hist == NULL && sym__alloc_hist(sym) < 0) 80628ada0cSArnaldo Carvalho de Melo return -ENOMEM; 8186470930SIngo Molnar 8286470930SIngo Molnar sym_size = sym->end - sym->start; 8386470930SIngo Molnar offset = ip - sym->start; 8486470930SIngo Molnar 8559fd5306SArnaldo Carvalho de Melo pr_debug3("%s: ip=%#Lx\n", __func__, he->ms.map->unmap_ip(he->ms.map, ip)); 86ed52ce2eSArnaldo Carvalho de Melo 8786470930SIngo Molnar if (offset >= sym_size) 88628ada0cSArnaldo Carvalho de Melo return 0; 8986470930SIngo Molnar 90e4204992SArnaldo Carvalho de Melo h = priv->hist; 91e4204992SArnaldo Carvalho de Melo h->sum++; 92e4204992SArnaldo Carvalho de Melo h->ip[offset]++; 9386470930SIngo Molnar 9459fd5306SArnaldo Carvalho de Melo pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->ms.sym->start, 9559fd5306SArnaldo Carvalho de Melo he->ms.sym->name, ip, ip - he->ms.sym->start, h->ip[offset]); 96628ada0cSArnaldo Carvalho de Melo return 0; 9786470930SIngo Molnar } 9886470930SIngo Molnar 991c02c4d2SArnaldo Carvalho de Melo static int hists__add_entry(struct hists *self, struct addr_location *al) 10086470930SIngo Molnar { 101628ada0cSArnaldo Carvalho de Melo struct hist_entry *he; 102628ada0cSArnaldo Carvalho de Melo 103628ada0cSArnaldo Carvalho de Melo if (sym_hist_filter != NULL && 104628ada0cSArnaldo Carvalho de Melo (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) { 105628ada0cSArnaldo Carvalho de Melo /* We're only interested in a symbol named sym_hist_filter */ 106628ada0cSArnaldo Carvalho de Melo if (al->sym != NULL) { 107628ada0cSArnaldo Carvalho de Melo rb_erase(&al->sym->rb_node, 108628ada0cSArnaldo Carvalho de Melo &al->map->dso->symbols[al->map->type]); 109628ada0cSArnaldo Carvalho de Melo symbol__delete(al->sym); 110628ada0cSArnaldo Carvalho de Melo } 111628ada0cSArnaldo Carvalho de Melo return 0; 112628ada0cSArnaldo Carvalho de Melo } 113628ada0cSArnaldo Carvalho de Melo 1141c02c4d2SArnaldo Carvalho de Melo he = __hists__add_entry(self, al, NULL, 1); 1159735abf1SArnaldo Carvalho de Melo if (he == NULL) 11686470930SIngo Molnar return -ENOMEM; 117628ada0cSArnaldo Carvalho de Melo 118628ada0cSArnaldo Carvalho de Melo return annotate__hist_hit(he, al->addr); 11986470930SIngo Molnar } 12086470930SIngo Molnar 121b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 12286470930SIngo Molnar { 1231ed091c4SArnaldo Carvalho de Melo struct addr_location al; 1246baa0a5aSFrederic Weisbecker 1250d755034SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc, 1260d755034SArnaldo Carvalho de Melo event->ip.pid, event->ip.ip); 12786470930SIngo Molnar 128628ada0cSArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, NULL) < 0) { 12929a9f66dSArnaldo Carvalho de Melo pr_warning("problem processing %d event, skipping it.\n", 13086470930SIngo Molnar event->header.type); 13186470930SIngo Molnar return -1; 13286470930SIngo Molnar } 13386470930SIngo Molnar 1341c02c4d2SArnaldo Carvalho de Melo if (!al.filtered && hists__add_entry(&session->hists, &al)) { 13529a9f66dSArnaldo Carvalho de Melo pr_warning("problem incrementing symbol count, " 136ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 13786470930SIngo Molnar return -1; 13886470930SIngo Molnar } 13986470930SIngo Molnar 14086470930SIngo Molnar return 0; 14186470930SIngo Molnar } 14286470930SIngo Molnar 14348fb4fddSArnaldo Carvalho de Melo struct objdump_line { 14448fb4fddSArnaldo Carvalho de Melo struct list_head node; 14548fb4fddSArnaldo Carvalho de Melo s64 offset; 14648fb4fddSArnaldo Carvalho de Melo char *line; 14748fb4fddSArnaldo Carvalho de Melo }; 14848fb4fddSArnaldo Carvalho de Melo 14948fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump_line__new(s64 offset, char *line) 15048fb4fddSArnaldo Carvalho de Melo { 15148fb4fddSArnaldo Carvalho de Melo struct objdump_line *self = malloc(sizeof(*self)); 15248fb4fddSArnaldo Carvalho de Melo 15348fb4fddSArnaldo Carvalho de Melo if (self != NULL) { 15448fb4fddSArnaldo Carvalho de Melo self->offset = offset; 15548fb4fddSArnaldo Carvalho de Melo self->line = line; 15648fb4fddSArnaldo Carvalho de Melo } 15748fb4fddSArnaldo Carvalho de Melo 15848fb4fddSArnaldo Carvalho de Melo return self; 15948fb4fddSArnaldo Carvalho de Melo } 16048fb4fddSArnaldo Carvalho de Melo 16148fb4fddSArnaldo Carvalho de Melo static void objdump_line__free(struct objdump_line *self) 16248fb4fddSArnaldo Carvalho de Melo { 16348fb4fddSArnaldo Carvalho de Melo free(self->line); 16448fb4fddSArnaldo Carvalho de Melo free(self); 16548fb4fddSArnaldo Carvalho de Melo } 16648fb4fddSArnaldo Carvalho de Melo 16748fb4fddSArnaldo Carvalho de Melo static void objdump__add_line(struct list_head *head, struct objdump_line *line) 16848fb4fddSArnaldo Carvalho de Melo { 16948fb4fddSArnaldo Carvalho de Melo list_add_tail(&line->node, head); 17048fb4fddSArnaldo Carvalho de Melo } 17148fb4fddSArnaldo Carvalho de Melo 17248fb4fddSArnaldo Carvalho de Melo static struct objdump_line *objdump__get_next_ip_line(struct list_head *head, 17348fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos) 17448fb4fddSArnaldo Carvalho de Melo { 17548fb4fddSArnaldo Carvalho de Melo list_for_each_entry_continue(pos, head, node) 17648fb4fddSArnaldo Carvalho de Melo if (pos->offset >= 0) 17748fb4fddSArnaldo Carvalho de Melo return pos; 17848fb4fddSArnaldo Carvalho de Melo 17948fb4fddSArnaldo Carvalho de Melo return NULL; 18048fb4fddSArnaldo Carvalho de Melo } 18148fb4fddSArnaldo Carvalho de Melo 18248fb4fddSArnaldo Carvalho de Melo static int parse_line(FILE *file, struct hist_entry *he, 18348fb4fddSArnaldo Carvalho de Melo struct list_head *head) 18486470930SIngo Molnar { 18559fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 18648fb4fddSArnaldo Carvalho de Melo struct objdump_line *objdump_line; 18786470930SIngo Molnar char *line = NULL, *tmp, *tmp2; 18886470930SIngo Molnar size_t line_len; 18948fb4fddSArnaldo Carvalho de Melo s64 line_ip, offset = -1; 19086470930SIngo Molnar char *c; 19186470930SIngo Molnar 19286470930SIngo Molnar if (getline(&line, &line_len, file) < 0) 19386470930SIngo Molnar return -1; 19448fb4fddSArnaldo Carvalho de Melo 19586470930SIngo Molnar if (!line) 19686470930SIngo Molnar return -1; 19786470930SIngo Molnar 19886470930SIngo Molnar c = strchr(line, '\n'); 19986470930SIngo Molnar if (c) 20086470930SIngo Molnar *c = 0; 20186470930SIngo Molnar 20286470930SIngo Molnar line_ip = -1; 20386470930SIngo Molnar 20486470930SIngo Molnar /* 20586470930SIngo Molnar * Strip leading spaces: 20686470930SIngo Molnar */ 20786470930SIngo Molnar tmp = line; 20886470930SIngo Molnar while (*tmp) { 20986470930SIngo Molnar if (*tmp != ' ') 21086470930SIngo Molnar break; 21186470930SIngo Molnar tmp++; 21286470930SIngo Molnar } 21386470930SIngo Molnar 21486470930SIngo Molnar if (*tmp) { 21586470930SIngo Molnar /* 21686470930SIngo Molnar * Parse hexa addresses followed by ':' 21786470930SIngo Molnar */ 21886470930SIngo Molnar line_ip = strtoull(tmp, &tmp2, 16); 21986470930SIngo Molnar if (*tmp2 != ':') 22086470930SIngo Molnar line_ip = -1; 22186470930SIngo Molnar } 22286470930SIngo Molnar 22386470930SIngo Molnar if (line_ip != -1) { 22459fd5306SArnaldo Carvalho de Melo u64 start = map__rip_2objdump(he->ms.map, sym->start); 22548fb4fddSArnaldo Carvalho de Melo offset = line_ip - start; 22648fb4fddSArnaldo Carvalho de Melo } 22748fb4fddSArnaldo Carvalho de Melo 22848fb4fddSArnaldo Carvalho de Melo objdump_line = objdump_line__new(offset, line); 22948fb4fddSArnaldo Carvalho de Melo if (objdump_line == NULL) { 23048fb4fddSArnaldo Carvalho de Melo free(line); 23148fb4fddSArnaldo Carvalho de Melo return -1; 23248fb4fddSArnaldo Carvalho de Melo } 23348fb4fddSArnaldo Carvalho de Melo objdump__add_line(head, objdump_line); 23448fb4fddSArnaldo Carvalho de Melo 23548fb4fddSArnaldo Carvalho de Melo return 0; 23648fb4fddSArnaldo Carvalho de Melo } 23748fb4fddSArnaldo Carvalho de Melo 23848fb4fddSArnaldo Carvalho de Melo static int objdump_line__print(struct objdump_line *self, 23948fb4fddSArnaldo Carvalho de Melo struct list_head *head, 24048fb4fddSArnaldo Carvalho de Melo struct hist_entry *he, u64 len) 24148fb4fddSArnaldo Carvalho de Melo { 24259fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 24348fb4fddSArnaldo Carvalho de Melo static const char *prev_line; 24448fb4fddSArnaldo Carvalho de Melo static const char *prev_color; 24548fb4fddSArnaldo Carvalho de Melo 24648fb4fddSArnaldo Carvalho de Melo if (self->offset != -1) { 247301406b9SFrederic Weisbecker const char *path = NULL; 24886470930SIngo Molnar unsigned int hits = 0; 24986470930SIngo Molnar double percent = 0.0; 25083a0944fSIngo Molnar const char *color; 25100a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 252e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 253e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 25448fb4fddSArnaldo Carvalho de Melo s64 offset = self->offset; 25548fb4fddSArnaldo Carvalho de Melo struct objdump_line *next = objdump__get_next_ip_line(head, self); 25686470930SIngo Molnar 25748fb4fddSArnaldo Carvalho de Melo while (offset < (s64)len && 25848fb4fddSArnaldo Carvalho de Melo (next == NULL || offset < next->offset)) { 25948fb4fddSArnaldo Carvalho de Melo if (sym_ext) { 26048fb4fddSArnaldo Carvalho de Melo if (path == NULL) 261301406b9SFrederic Weisbecker path = sym_ext[offset].path; 26248fb4fddSArnaldo Carvalho de Melo percent += sym_ext[offset].percent; 26348fb4fddSArnaldo Carvalho de Melo } else 26448fb4fddSArnaldo Carvalho de Melo hits += h->ip[offset]; 26548fb4fddSArnaldo Carvalho de Melo 26648fb4fddSArnaldo Carvalho de Melo ++offset; 26748fb4fddSArnaldo Carvalho de Melo } 26848fb4fddSArnaldo Carvalho de Melo 26948fb4fddSArnaldo Carvalho de Melo if (sym_ext == NULL && h->sum) 270e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 27186470930SIngo Molnar 2721e11fd82SFrederic Weisbecker color = get_percent_color(percent); 27386470930SIngo Molnar 274301406b9SFrederic Weisbecker /* 275301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 276301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 277301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 278301406b9SFrederic Weisbecker */ 279301406b9SFrederic Weisbecker if (path) { 280301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 281301406b9SFrederic Weisbecker || color != prev_color) { 282301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 283301406b9SFrederic Weisbecker prev_line = path; 284301406b9SFrederic Weisbecker prev_color = color; 285301406b9SFrederic Weisbecker } 286301406b9SFrederic Weisbecker } 287301406b9SFrederic Weisbecker 28886470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 28986470930SIngo Molnar printf(" : "); 29048fb4fddSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line); 29186470930SIngo Molnar } else { 29248fb4fddSArnaldo Carvalho de Melo if (!*self->line) 29386470930SIngo Molnar printf(" :\n"); 29486470930SIngo Molnar else 29548fb4fddSArnaldo Carvalho de Melo printf(" : %s\n", self->line); 29686470930SIngo Molnar } 29786470930SIngo Molnar 29886470930SIngo Molnar return 0; 29986470930SIngo Molnar } 30086470930SIngo Molnar 301971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 302971738f3SFrederic Weisbecker 303971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 304971738f3SFrederic Weisbecker { 305971738f3SFrederic Weisbecker struct sym_ext *iter; 306971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 307971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 308971738f3SFrederic Weisbecker 309971738f3SFrederic Weisbecker while (*p != NULL) { 310971738f3SFrederic Weisbecker parent = *p; 311971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 312971738f3SFrederic Weisbecker 313971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 314971738f3SFrederic Weisbecker p = &(*p)->rb_left; 315971738f3SFrederic Weisbecker else 316971738f3SFrederic Weisbecker p = &(*p)->rb_right; 317971738f3SFrederic Weisbecker } 318971738f3SFrederic Weisbecker 319971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 320971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 321971738f3SFrederic Weisbecker } 322971738f3SFrederic Weisbecker 323e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 324301406b9SFrederic Weisbecker { 32559fd5306SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->ms.sym); 326e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 327301406b9SFrederic Weisbecker int i; 328301406b9SFrederic Weisbecker 329301406b9SFrederic Weisbecker if (!sym_ext) 330301406b9SFrederic Weisbecker return; 331301406b9SFrederic Weisbecker 332301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 333301406b9SFrederic Weisbecker free(sym_ext[i].path); 334301406b9SFrederic Weisbecker free(sym_ext); 335301406b9SFrederic Weisbecker 336e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 337971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 338301406b9SFrederic Weisbecker } 339301406b9SFrederic Weisbecker 340301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 341c17c2db1SFrederic Weisbecker static void 342ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 343301406b9SFrederic Weisbecker { 34459fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 345ed52ce2eSArnaldo Carvalho de Melo u64 start; 346301406b9SFrederic Weisbecker int i; 347301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 348301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 34900a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 350e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 351301406b9SFrederic Weisbecker 352e4204992SArnaldo Carvalho de Melo if (!h->sum) 353301406b9SFrederic Weisbecker return; 354301406b9SFrederic Weisbecker 355e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 356e4204992SArnaldo Carvalho de Melo if (!priv->ext) 357301406b9SFrederic Weisbecker return; 358301406b9SFrederic Weisbecker 35959fd5306SArnaldo Carvalho de Melo start = he->ms.map->unmap_ip(he->ms.map, sym->start); 360301406b9SFrederic Weisbecker 361301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 362301406b9SFrederic Weisbecker char *path = NULL; 363301406b9SFrederic Weisbecker size_t line_len; 3649cffa8d5SPaul Mackerras u64 offset; 365301406b9SFrederic Weisbecker FILE *fp; 366301406b9SFrederic Weisbecker 367e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 368301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 369301406b9SFrederic Weisbecker continue; 370301406b9SFrederic Weisbecker 371ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 372c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 373301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 374301406b9SFrederic Weisbecker if (!fp) 375301406b9SFrederic Weisbecker continue; 376301406b9SFrederic Weisbecker 377301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 378301406b9SFrederic Weisbecker goto next; 379301406b9SFrederic Weisbecker 380c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 381301406b9SFrederic Weisbecker if (!sym_ext[i].path) 382301406b9SFrederic Weisbecker goto next; 383301406b9SFrederic Weisbecker 384301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 385971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 386301406b9SFrederic Weisbecker 387301406b9SFrederic Weisbecker next: 388301406b9SFrederic Weisbecker pclose(fp); 389301406b9SFrederic Weisbecker } 390301406b9SFrederic Weisbecker } 391301406b9SFrederic Weisbecker 39283a0944fSIngo Molnar static void print_summary(const char *filename) 393971738f3SFrederic Weisbecker { 394971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 395971738f3SFrederic Weisbecker struct rb_node *node; 396971738f3SFrederic Weisbecker 397971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 398971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 399971738f3SFrederic Weisbecker 400971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 401971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 402971738f3SFrederic Weisbecker return; 403971738f3SFrederic Weisbecker } 404971738f3SFrederic Weisbecker 405971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 406971738f3SFrederic Weisbecker while (node) { 407971738f3SFrederic Weisbecker double percent; 40883a0944fSIngo Molnar const char *color; 409971738f3SFrederic Weisbecker char *path; 410971738f3SFrederic Weisbecker 411971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 412971738f3SFrederic Weisbecker percent = sym_ext->percent; 4131e11fd82SFrederic Weisbecker color = get_percent_color(percent); 414971738f3SFrederic Weisbecker path = sym_ext->path; 415971738f3SFrederic Weisbecker 416971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 417971738f3SFrederic Weisbecker node = rb_next(node); 418971738f3SFrederic Weisbecker } 419971738f3SFrederic Weisbecker } 420971738f3SFrederic Weisbecker 42148fb4fddSArnaldo Carvalho de Melo static void hist_entry__print_hits(struct hist_entry *self) 42248fb4fddSArnaldo Carvalho de Melo { 42359fd5306SArnaldo Carvalho de Melo struct symbol *sym = self->ms.sym; 42448fb4fddSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 42548fb4fddSArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 42648fb4fddSArnaldo Carvalho de Melo u64 len = sym->end - sym->start, offset; 42748fb4fddSArnaldo Carvalho de Melo 42848fb4fddSArnaldo Carvalho de Melo for (offset = 0; offset < len; ++offset) 42948fb4fddSArnaldo Carvalho de Melo if (h->ip[offset] != 0) 43048fb4fddSArnaldo Carvalho de Melo printf("%*Lx: %Lu\n", BITS_PER_LONG / 2, 43148fb4fddSArnaldo Carvalho de Melo sym->start + offset, h->ip[offset]); 43248fb4fddSArnaldo Carvalho de Melo printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); 43348fb4fddSArnaldo Carvalho de Melo } 43448fb4fddSArnaldo Carvalho de Melo 435ed52ce2eSArnaldo Carvalho de Melo static void annotate_sym(struct hist_entry *he) 43686470930SIngo Molnar { 43759fd5306SArnaldo Carvalho de Melo struct map *map = he->ms.map; 438ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 43959fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 440439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 441439d473bSArnaldo Carvalho de Melo u64 len; 44286470930SIngo Molnar char command[PATH_MAX*2]; 44386470930SIngo Molnar FILE *file; 44448fb4fddSArnaldo Carvalho de Melo LIST_HEAD(head); 44548fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos, *n; 44686470930SIngo Molnar 44786470930SIngo Molnar if (!filename) 44886470930SIngo Molnar return; 44986470930SIngo Molnar 450d06d92b7SArnaldo Carvalho de Melo if (dso->origin == DSO__ORIG_KERNEL) { 451d06d92b7SArnaldo Carvalho de Melo if (dso->annotate_warned) 452d06d92b7SArnaldo Carvalho de Melo return; 453d06d92b7SArnaldo Carvalho de Melo dso->annotate_warned = 1; 454d06d92b7SArnaldo Carvalho de Melo pr_err("Can't annotate %s: No vmlinux file was found in the " 455d06d92b7SArnaldo Carvalho de Melo "path:\n", sym->name); 456d06d92b7SArnaldo Carvalho de Melo vmlinux_path__fprintf(stderr); 457d06d92b7SArnaldo Carvalho de Melo return; 458d06d92b7SArnaldo Carvalho de Melo } 459d06d92b7SArnaldo Carvalho de Melo 46029a9f66dSArnaldo Carvalho de Melo pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__, 46129a9f66dSArnaldo Carvalho de Melo filename, sym->name, map->unmap_ip(map, sym->start), 462ed52ce2eSArnaldo Carvalho de Melo map->unmap_ip(map, sym->end)); 463ed52ce2eSArnaldo Carvalho de Melo 46442976487SMike Galbraith if (full_paths) 46542976487SMike Galbraith d_filename = filename; 46642976487SMike Galbraith else 46742976487SMike Galbraith d_filename = basename(filename); 46886470930SIngo Molnar 46986470930SIngo Molnar len = sym->end - sym->start; 47086470930SIngo Molnar 471971738f3SFrederic Weisbecker if (print_line) { 472ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 473971738f3SFrederic Weisbecker print_summary(filename); 474971738f3SFrederic Weisbecker } 475971738f3SFrederic Weisbecker 476971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 47742976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 478971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 479971738f3SFrederic Weisbecker 480971738f3SFrederic Weisbecker if (verbose >= 2) 481439d473bSArnaldo Carvalho de Melo printf("annotating [%p] %30s : [%p] %30s\n", 482439d473bSArnaldo Carvalho de Melo dso, dso->long_name, sym, sym->name); 483301406b9SFrederic Weisbecker 48442976487SMike Galbraith sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", 4857a2b6209SKirill Smelkov map__rip_2objdump(map, sym->start), 4867a2b6209SKirill Smelkov map__rip_2objdump(map, sym->end), 487ed52ce2eSArnaldo Carvalho de Melo filename, filename); 48886470930SIngo Molnar 48986470930SIngo Molnar if (verbose >= 3) 49086470930SIngo Molnar printf("doing: %s\n", command); 49186470930SIngo Molnar 49286470930SIngo Molnar file = popen(command, "r"); 49386470930SIngo Molnar if (!file) 49486470930SIngo Molnar return; 49586470930SIngo Molnar 49686470930SIngo Molnar while (!feof(file)) { 49748fb4fddSArnaldo Carvalho de Melo if (parse_line(file, he, &head) < 0) 49886470930SIngo Molnar break; 49986470930SIngo Molnar } 50086470930SIngo Molnar 50186470930SIngo Molnar pclose(file); 50248fb4fddSArnaldo Carvalho de Melo 50348fb4fddSArnaldo Carvalho de Melo if (verbose) 50448fb4fddSArnaldo Carvalho de Melo hist_entry__print_hits(he); 50548fb4fddSArnaldo Carvalho de Melo 50648fb4fddSArnaldo Carvalho de Melo list_for_each_entry_safe(pos, n, &head, node) { 50748fb4fddSArnaldo Carvalho de Melo objdump_line__print(pos, &head, he, len); 50848fb4fddSArnaldo Carvalho de Melo list_del(&pos->node); 50948fb4fddSArnaldo Carvalho de Melo objdump_line__free(pos); 51048fb4fddSArnaldo Carvalho de Melo } 51148fb4fddSArnaldo Carvalho de Melo 512971738f3SFrederic Weisbecker if (print_line) 513e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 51486470930SIngo Molnar } 51586470930SIngo Molnar 5161c02c4d2SArnaldo Carvalho de Melo static void hists__find_annotations(struct hists *self) 51786470930SIngo Molnar { 51886470930SIngo Molnar struct rb_node *nd; 51986470930SIngo Molnar 5201c02c4d2SArnaldo Carvalho de Melo for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { 521ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 522e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 52386470930SIngo Molnar 52459fd5306SArnaldo Carvalho de Melo if (he->ms.sym == NULL) 525e4204992SArnaldo Carvalho de Melo continue; 526e4204992SArnaldo Carvalho de Melo 52759fd5306SArnaldo Carvalho de Melo priv = symbol__priv(he->ms.sym); 528e4204992SArnaldo Carvalho de Melo if (priv->hist == NULL) 529e4204992SArnaldo Carvalho de Melo continue; 530e4204992SArnaldo Carvalho de Melo 531ed52ce2eSArnaldo Carvalho de Melo annotate_sym(he); 532ed52ce2eSArnaldo Carvalho de Melo /* 533e4204992SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same symbol, free 53459fd5306SArnaldo Carvalho de Melo * he->ms.sym->hist to signal we already processed this symbol. 535ed52ce2eSArnaldo Carvalho de Melo */ 536e4204992SArnaldo Carvalho de Melo free(priv->hist); 537e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 53886470930SIngo Molnar } 53986470930SIngo Molnar } 54086470930SIngo Molnar 541301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 54255aa640fSArnaldo Carvalho de Melo .sample = process_sample_event, 54355aa640fSArnaldo Carvalho de Melo .mmap = event__process_mmap, 54455aa640fSArnaldo Carvalho de Melo .comm = event__process_comm, 54555aa640fSArnaldo Carvalho de Melo .fork = event__process_task, 546bab81b62SLi Zefan }; 547bab81b62SLi Zefan 54886470930SIngo Molnar static int __cmd_annotate(void) 54986470930SIngo Molnar { 550bab81b62SLi Zefan int ret; 55175be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 55286470930SIngo Molnar 553454c407eSTom Zanussi session = perf_session__new(input_name, O_RDONLY, force, false); 55494c744b6SArnaldo Carvalho de Melo if (session == NULL) 55594c744b6SArnaldo Carvalho de Melo return -ENOMEM; 55694c744b6SArnaldo Carvalho de Melo 557ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 558bab81b62SLi Zefan if (ret) 55994c744b6SArnaldo Carvalho de Melo goto out_delete; 56086470930SIngo Molnar 56162daacb5SArnaldo Carvalho de Melo if (dump_trace) { 56262daacb5SArnaldo Carvalho de Melo event__print_totals(); 56394c744b6SArnaldo Carvalho de Melo goto out_delete; 56462daacb5SArnaldo Carvalho de Melo } 56586470930SIngo Molnar 566da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 567b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 56886470930SIngo Molnar 569da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 570cbf69680SArnaldo Carvalho de Melo perf_session__fprintf_dsos(session, stdout); 57186470930SIngo Molnar 5721c02c4d2SArnaldo Carvalho de Melo hists__collapse_resort(&session->hists); 5731c02c4d2SArnaldo Carvalho de Melo hists__output_resort(&session->hists); 5741c02c4d2SArnaldo Carvalho de Melo hists__find_annotations(&session->hists); 57594c744b6SArnaldo Carvalho de Melo out_delete: 57694c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 57786470930SIngo Molnar 578bab81b62SLi Zefan return ret; 57986470930SIngo Molnar } 58086470930SIngo Molnar 58186470930SIngo Molnar static const char * const annotate_usage[] = { 58286470930SIngo Molnar "perf annotate [<options>] <command>", 58386470930SIngo Molnar NULL 58486470930SIngo Molnar }; 58586470930SIngo Molnar 58686470930SIngo Molnar static const struct option options[] = { 58786470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 58886470930SIngo Molnar "input file name"), 589ac73c5a9SArnaldo Carvalho de Melo OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 590ac73c5a9SArnaldo Carvalho de Melo "only consider symbols in these dsos"), 59123b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 59286470930SIngo Molnar "symbol to annotate"), 593fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 594c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 59586470930SIngo Molnar "be more verbose (show symbol address, etc)"), 59686470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 59786470930SIngo Molnar "dump raw trace in ASCII"), 598b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 599b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 600b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 60142976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 602301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 603301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 60442976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 60542976487SMike Galbraith "Don't shorten the displayed pathnames"), 60686470930SIngo Molnar OPT_END() 60786470930SIngo Molnar }; 60886470930SIngo Molnar 609f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 61086470930SIngo Molnar { 611655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 612655000e7SArnaldo Carvalho de Melo 61375be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 61475be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 61575be6cf4SArnaldo Carvalho de Melo 61675be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 617b32d133aSArnaldo Carvalho de Melo return -1; 61886470930SIngo Molnar 619c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 62086470930SIngo Molnar 62186470930SIngo Molnar if (argc) { 62286470930SIngo Molnar /* 62386470930SIngo Molnar * Special case: if there's an argument left then assume tha 62486470930SIngo Molnar * it's a symbol filter: 62586470930SIngo Molnar */ 62686470930SIngo Molnar if (argc > 1) 62786470930SIngo Molnar usage_with_options(annotate_usage, options); 62886470930SIngo Molnar 62986470930SIngo Molnar sym_hist_filter = argv[0]; 63086470930SIngo Molnar } 63186470930SIngo Molnar 63286470930SIngo Molnar setup_pager(); 63386470930SIngo Molnar 634dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 63529a9f66dSArnaldo Carvalho de Melo pr_err("'.' is the only non valid --field-separator argument\n"); 63629a9f66dSArnaldo Carvalho de Melo return -1; 637dd68ada2SJohn Kacur } 638dd68ada2SJohn Kacur 63986470930SIngo Molnar return __cmd_annotate(); 64086470930SIngo Molnar } 641