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 static const char *sym_hist_filter; 38e4204992SArnaldo Carvalho de Melo 391c02c4d2SArnaldo Carvalho de Melo static int hists__add_entry(struct hists *self, struct addr_location *al) 4086470930SIngo Molnar { 41628ada0cSArnaldo Carvalho de Melo struct hist_entry *he; 42628ada0cSArnaldo Carvalho de Melo 43628ada0cSArnaldo Carvalho de Melo if (sym_hist_filter != NULL && 44628ada0cSArnaldo Carvalho de Melo (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) { 45628ada0cSArnaldo Carvalho de Melo /* We're only interested in a symbol named sym_hist_filter */ 46628ada0cSArnaldo Carvalho de Melo if (al->sym != NULL) { 47628ada0cSArnaldo Carvalho de Melo rb_erase(&al->sym->rb_node, 48628ada0cSArnaldo Carvalho de Melo &al->map->dso->symbols[al->map->type]); 49628ada0cSArnaldo Carvalho de Melo symbol__delete(al->sym); 50628ada0cSArnaldo Carvalho de Melo } 51628ada0cSArnaldo Carvalho de Melo return 0; 52628ada0cSArnaldo Carvalho de Melo } 53628ada0cSArnaldo Carvalho de Melo 541c02c4d2SArnaldo Carvalho de Melo he = __hists__add_entry(self, al, NULL, 1); 559735abf1SArnaldo Carvalho de Melo if (he == NULL) 5686470930SIngo Molnar return -ENOMEM; 57628ada0cSArnaldo Carvalho de Melo 58ef7b93a1SArnaldo Carvalho de Melo return hist_entry__inc_addr_samples(he, al->addr); 5986470930SIngo Molnar } 6086470930SIngo Molnar 61b3165f41SArnaldo Carvalho de Melo static int process_sample_event(event_t *event, struct perf_session *session) 6286470930SIngo Molnar { 631ed091c4SArnaldo Carvalho de Melo struct addr_location al; 646baa0a5aSFrederic Weisbecker 650d755034SArnaldo Carvalho de Melo dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc, 660d755034SArnaldo Carvalho de Melo event->ip.pid, event->ip.ip); 6786470930SIngo Molnar 68628ada0cSArnaldo Carvalho de Melo if (event__preprocess_sample(event, session, &al, NULL) < 0) { 6929a9f66dSArnaldo Carvalho de Melo pr_warning("problem processing %d event, skipping it.\n", 7086470930SIngo Molnar event->header.type); 7186470930SIngo Molnar return -1; 7286470930SIngo Molnar } 7386470930SIngo Molnar 741c02c4d2SArnaldo Carvalho de Melo if (!al.filtered && hists__add_entry(&session->hists, &al)) { 7529a9f66dSArnaldo Carvalho de Melo pr_warning("problem incrementing symbol count, " 76ec218fc4SArnaldo Carvalho de Melo "skipping event\n"); 7786470930SIngo Molnar return -1; 7886470930SIngo Molnar } 7986470930SIngo Molnar 8086470930SIngo Molnar return 0; 8186470930SIngo Molnar } 8286470930SIngo Molnar 8348fb4fddSArnaldo Carvalho de Melo static int objdump_line__print(struct objdump_line *self, 8448fb4fddSArnaldo Carvalho de Melo struct list_head *head, 8548fb4fddSArnaldo Carvalho de Melo struct hist_entry *he, u64 len) 8648fb4fddSArnaldo Carvalho de Melo { 8759fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 8848fb4fddSArnaldo Carvalho de Melo static const char *prev_line; 8948fb4fddSArnaldo Carvalho de Melo static const char *prev_color; 9048fb4fddSArnaldo Carvalho de Melo 9148fb4fddSArnaldo Carvalho de Melo if (self->offset != -1) { 92301406b9SFrederic Weisbecker const char *path = NULL; 9386470930SIngo Molnar unsigned int hits = 0; 9486470930SIngo Molnar double percent = 0.0; 9583a0944fSIngo Molnar const char *color; 9600a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 97e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 98e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 9948fb4fddSArnaldo Carvalho de Melo s64 offset = self->offset; 10048fb4fddSArnaldo Carvalho de Melo struct objdump_line *next = objdump__get_next_ip_line(head, self); 10186470930SIngo Molnar 10248fb4fddSArnaldo Carvalho de Melo while (offset < (s64)len && 10348fb4fddSArnaldo Carvalho de Melo (next == NULL || offset < next->offset)) { 10448fb4fddSArnaldo Carvalho de Melo if (sym_ext) { 10548fb4fddSArnaldo Carvalho de Melo if (path == NULL) 106301406b9SFrederic Weisbecker path = sym_ext[offset].path; 10748fb4fddSArnaldo Carvalho de Melo percent += sym_ext[offset].percent; 10848fb4fddSArnaldo Carvalho de Melo } else 10948fb4fddSArnaldo Carvalho de Melo hits += h->ip[offset]; 11048fb4fddSArnaldo Carvalho de Melo 11148fb4fddSArnaldo Carvalho de Melo ++offset; 11248fb4fddSArnaldo Carvalho de Melo } 11348fb4fddSArnaldo Carvalho de Melo 11448fb4fddSArnaldo Carvalho de Melo if (sym_ext == NULL && h->sum) 115e4204992SArnaldo Carvalho de Melo percent = 100.0 * hits / h->sum; 11686470930SIngo Molnar 1171e11fd82SFrederic Weisbecker color = get_percent_color(percent); 11886470930SIngo Molnar 119301406b9SFrederic Weisbecker /* 120301406b9SFrederic Weisbecker * Also color the filename and line if needed, with 121301406b9SFrederic Weisbecker * the same color than the percentage. Don't print it 122301406b9SFrederic Weisbecker * twice for close colored ip with the same filename:line 123301406b9SFrederic Weisbecker */ 124301406b9SFrederic Weisbecker if (path) { 125301406b9SFrederic Weisbecker if (!prev_line || strcmp(prev_line, path) 126301406b9SFrederic Weisbecker || color != prev_color) { 127301406b9SFrederic Weisbecker color_fprintf(stdout, color, " %s", path); 128301406b9SFrederic Weisbecker prev_line = path; 129301406b9SFrederic Weisbecker prev_color = color; 130301406b9SFrederic Weisbecker } 131301406b9SFrederic Weisbecker } 132301406b9SFrederic Weisbecker 13386470930SIngo Molnar color_fprintf(stdout, color, " %7.2f", percent); 13486470930SIngo Molnar printf(" : "); 13548fb4fddSArnaldo Carvalho de Melo color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line); 13686470930SIngo Molnar } else { 13748fb4fddSArnaldo Carvalho de Melo if (!*self->line) 13886470930SIngo Molnar printf(" :\n"); 13986470930SIngo Molnar else 14048fb4fddSArnaldo Carvalho de Melo printf(" : %s\n", self->line); 14186470930SIngo Molnar } 14286470930SIngo Molnar 14386470930SIngo Molnar return 0; 14486470930SIngo Molnar } 14586470930SIngo Molnar 146971738f3SFrederic Weisbecker static struct rb_root root_sym_ext; 147971738f3SFrederic Weisbecker 148971738f3SFrederic Weisbecker static void insert_source_line(struct sym_ext *sym_ext) 149971738f3SFrederic Weisbecker { 150971738f3SFrederic Weisbecker struct sym_ext *iter; 151971738f3SFrederic Weisbecker struct rb_node **p = &root_sym_ext.rb_node; 152971738f3SFrederic Weisbecker struct rb_node *parent = NULL; 153971738f3SFrederic Weisbecker 154971738f3SFrederic Weisbecker while (*p != NULL) { 155971738f3SFrederic Weisbecker parent = *p; 156971738f3SFrederic Weisbecker iter = rb_entry(parent, struct sym_ext, node); 157971738f3SFrederic Weisbecker 158971738f3SFrederic Weisbecker if (sym_ext->percent > iter->percent) 159971738f3SFrederic Weisbecker p = &(*p)->rb_left; 160971738f3SFrederic Weisbecker else 161971738f3SFrederic Weisbecker p = &(*p)->rb_right; 162971738f3SFrederic Weisbecker } 163971738f3SFrederic Weisbecker 164971738f3SFrederic Weisbecker rb_link_node(&sym_ext->node, parent, p); 165971738f3SFrederic Weisbecker rb_insert_color(&sym_ext->node, &root_sym_ext); 166971738f3SFrederic Weisbecker } 167971738f3SFrederic Weisbecker 168e4204992SArnaldo Carvalho de Melo static void free_source_line(struct hist_entry *he, int len) 169301406b9SFrederic Weisbecker { 17059fd5306SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(he->ms.sym); 171e4204992SArnaldo Carvalho de Melo struct sym_ext *sym_ext = priv->ext; 172301406b9SFrederic Weisbecker int i; 173301406b9SFrederic Weisbecker 174301406b9SFrederic Weisbecker if (!sym_ext) 175301406b9SFrederic Weisbecker return; 176301406b9SFrederic Weisbecker 177301406b9SFrederic Weisbecker for (i = 0; i < len; i++) 178301406b9SFrederic Weisbecker free(sym_ext[i].path); 179301406b9SFrederic Weisbecker free(sym_ext); 180301406b9SFrederic Weisbecker 181e4204992SArnaldo Carvalho de Melo priv->ext = NULL; 182971738f3SFrederic Weisbecker root_sym_ext = RB_ROOT; 183301406b9SFrederic Weisbecker } 184301406b9SFrederic Weisbecker 185301406b9SFrederic Weisbecker /* Get the filename:line for the colored entries */ 186c17c2db1SFrederic Weisbecker static void 187ed52ce2eSArnaldo Carvalho de Melo get_source_line(struct hist_entry *he, int len, const char *filename) 188301406b9SFrederic Weisbecker { 18959fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 190ed52ce2eSArnaldo Carvalho de Melo u64 start; 191301406b9SFrederic Weisbecker int i; 192301406b9SFrederic Weisbecker char cmd[PATH_MAX * 2]; 193301406b9SFrederic Weisbecker struct sym_ext *sym_ext; 19400a192b3SArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 195e4204992SArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 196301406b9SFrederic Weisbecker 197e4204992SArnaldo Carvalho de Melo if (!h->sum) 198301406b9SFrederic Weisbecker return; 199301406b9SFrederic Weisbecker 200e4204992SArnaldo Carvalho de Melo sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); 201e4204992SArnaldo Carvalho de Melo if (!priv->ext) 202301406b9SFrederic Weisbecker return; 203301406b9SFrederic Weisbecker 20459fd5306SArnaldo Carvalho de Melo start = he->ms.map->unmap_ip(he->ms.map, sym->start); 205301406b9SFrederic Weisbecker 206301406b9SFrederic Weisbecker for (i = 0; i < len; i++) { 207301406b9SFrederic Weisbecker char *path = NULL; 208301406b9SFrederic Weisbecker size_t line_len; 2099cffa8d5SPaul Mackerras u64 offset; 210301406b9SFrederic Weisbecker FILE *fp; 211301406b9SFrederic Weisbecker 212e4204992SArnaldo Carvalho de Melo sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; 213301406b9SFrederic Weisbecker if (sym_ext[i].percent <= 0.5) 214301406b9SFrederic Weisbecker continue; 215301406b9SFrederic Weisbecker 216ed52ce2eSArnaldo Carvalho de Melo offset = start + i; 217c17c2db1SFrederic Weisbecker sprintf(cmd, "addr2line -e %s %016llx", filename, offset); 218301406b9SFrederic Weisbecker fp = popen(cmd, "r"); 219301406b9SFrederic Weisbecker if (!fp) 220301406b9SFrederic Weisbecker continue; 221301406b9SFrederic Weisbecker 222301406b9SFrederic Weisbecker if (getline(&path, &line_len, fp) < 0 || !line_len) 223301406b9SFrederic Weisbecker goto next; 224301406b9SFrederic Weisbecker 225c17c2db1SFrederic Weisbecker sym_ext[i].path = malloc(sizeof(char) * line_len + 1); 226301406b9SFrederic Weisbecker if (!sym_ext[i].path) 227301406b9SFrederic Weisbecker goto next; 228301406b9SFrederic Weisbecker 229301406b9SFrederic Weisbecker strcpy(sym_ext[i].path, path); 230971738f3SFrederic Weisbecker insert_source_line(&sym_ext[i]); 231301406b9SFrederic Weisbecker 232301406b9SFrederic Weisbecker next: 233301406b9SFrederic Weisbecker pclose(fp); 234301406b9SFrederic Weisbecker } 235301406b9SFrederic Weisbecker } 236301406b9SFrederic Weisbecker 23783a0944fSIngo Molnar static void print_summary(const char *filename) 238971738f3SFrederic Weisbecker { 239971738f3SFrederic Weisbecker struct sym_ext *sym_ext; 240971738f3SFrederic Weisbecker struct rb_node *node; 241971738f3SFrederic Weisbecker 242971738f3SFrederic Weisbecker printf("\nSorted summary for file %s\n", filename); 243971738f3SFrederic Weisbecker printf("----------------------------------------------\n\n"); 244971738f3SFrederic Weisbecker 245971738f3SFrederic Weisbecker if (RB_EMPTY_ROOT(&root_sym_ext)) { 246971738f3SFrederic Weisbecker printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); 247971738f3SFrederic Weisbecker return; 248971738f3SFrederic Weisbecker } 249971738f3SFrederic Weisbecker 250971738f3SFrederic Weisbecker node = rb_first(&root_sym_ext); 251971738f3SFrederic Weisbecker while (node) { 252971738f3SFrederic Weisbecker double percent; 25383a0944fSIngo Molnar const char *color; 254971738f3SFrederic Weisbecker char *path; 255971738f3SFrederic Weisbecker 256971738f3SFrederic Weisbecker sym_ext = rb_entry(node, struct sym_ext, node); 257971738f3SFrederic Weisbecker percent = sym_ext->percent; 2581e11fd82SFrederic Weisbecker color = get_percent_color(percent); 259971738f3SFrederic Weisbecker path = sym_ext->path; 260971738f3SFrederic Weisbecker 261971738f3SFrederic Weisbecker color_fprintf(stdout, color, " %7.2f %s", percent, path); 262971738f3SFrederic Weisbecker node = rb_next(node); 263971738f3SFrederic Weisbecker } 264971738f3SFrederic Weisbecker } 265971738f3SFrederic Weisbecker 26648fb4fddSArnaldo Carvalho de Melo static void hist_entry__print_hits(struct hist_entry *self) 26748fb4fddSArnaldo Carvalho de Melo { 26859fd5306SArnaldo Carvalho de Melo struct symbol *sym = self->ms.sym; 26948fb4fddSArnaldo Carvalho de Melo struct sym_priv *priv = symbol__priv(sym); 27048fb4fddSArnaldo Carvalho de Melo struct sym_hist *h = priv->hist; 27148fb4fddSArnaldo Carvalho de Melo u64 len = sym->end - sym->start, offset; 27248fb4fddSArnaldo Carvalho de Melo 27348fb4fddSArnaldo Carvalho de Melo for (offset = 0; offset < len; ++offset) 27448fb4fddSArnaldo Carvalho de Melo if (h->ip[offset] != 0) 27548fb4fddSArnaldo Carvalho de Melo printf("%*Lx: %Lu\n", BITS_PER_LONG / 2, 27648fb4fddSArnaldo Carvalho de Melo sym->start + offset, h->ip[offset]); 27748fb4fddSArnaldo Carvalho de Melo printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum); 27848fb4fddSArnaldo Carvalho de Melo } 27948fb4fddSArnaldo Carvalho de Melo 28046e3e055SArnaldo Carvalho de Melo static int hist_entry__tty_annotate(struct hist_entry *he) 28186470930SIngo Molnar { 28259fd5306SArnaldo Carvalho de Melo struct map *map = he->ms.map; 283ed52ce2eSArnaldo Carvalho de Melo struct dso *dso = map->dso; 28459fd5306SArnaldo Carvalho de Melo struct symbol *sym = he->ms.sym; 285439d473bSArnaldo Carvalho de Melo const char *filename = dso->long_name, *d_filename; 286439d473bSArnaldo Carvalho de Melo u64 len; 28748fb4fddSArnaldo Carvalho de Melo LIST_HEAD(head); 28848fb4fddSArnaldo Carvalho de Melo struct objdump_line *pos, *n; 28986470930SIngo Molnar 290ef7b93a1SArnaldo Carvalho de Melo if (hist_entry__annotate(he, &head) < 0) 29146e3e055SArnaldo Carvalho de Melo return -1; 29286470930SIngo Molnar 29342976487SMike Galbraith if (full_paths) 29442976487SMike Galbraith d_filename = filename; 29542976487SMike Galbraith else 29642976487SMike Galbraith d_filename = basename(filename); 29786470930SIngo Molnar 29886470930SIngo Molnar len = sym->end - sym->start; 29986470930SIngo Molnar 300971738f3SFrederic Weisbecker if (print_line) { 301ed52ce2eSArnaldo Carvalho de Melo get_source_line(he, len, filename); 302971738f3SFrederic Weisbecker print_summary(filename); 303971738f3SFrederic Weisbecker } 304971738f3SFrederic Weisbecker 305971738f3SFrederic Weisbecker printf("\n\n------------------------------------------------\n"); 30642976487SMike Galbraith printf(" Percent | Source code & Disassembly of %s\n", d_filename); 307971738f3SFrederic Weisbecker printf("------------------------------------------------\n"); 308971738f3SFrederic Weisbecker 30948fb4fddSArnaldo Carvalho de Melo if (verbose) 31048fb4fddSArnaldo Carvalho de Melo hist_entry__print_hits(he); 31148fb4fddSArnaldo Carvalho de Melo 31248fb4fddSArnaldo Carvalho de Melo list_for_each_entry_safe(pos, n, &head, node) { 31348fb4fddSArnaldo Carvalho de Melo objdump_line__print(pos, &head, he, len); 31448fb4fddSArnaldo Carvalho de Melo list_del(&pos->node); 31548fb4fddSArnaldo Carvalho de Melo objdump_line__free(pos); 31648fb4fddSArnaldo Carvalho de Melo } 31748fb4fddSArnaldo Carvalho de Melo 318971738f3SFrederic Weisbecker if (print_line) 319e4204992SArnaldo Carvalho de Melo free_source_line(he, len); 32046e3e055SArnaldo Carvalho de Melo 32146e3e055SArnaldo Carvalho de Melo return 0; 32286470930SIngo Molnar } 32386470930SIngo Molnar 3241c02c4d2SArnaldo Carvalho de Melo static void hists__find_annotations(struct hists *self) 32586470930SIngo Molnar { 32646e3e055SArnaldo Carvalho de Melo struct rb_node *first = rb_first(&self->entries), *nd = first; 32746e3e055SArnaldo Carvalho de Melo int key = KEY_RIGHT; 32886470930SIngo Molnar 32946e3e055SArnaldo Carvalho de Melo while (nd) { 330ed52ce2eSArnaldo Carvalho de Melo struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); 331e4204992SArnaldo Carvalho de Melo struct sym_priv *priv; 33286470930SIngo Molnar 33346e3e055SArnaldo Carvalho de Melo if (he->ms.sym == NULL || he->ms.map->dso->annotate_warned) 33446e3e055SArnaldo Carvalho de Melo goto find_next; 335e4204992SArnaldo Carvalho de Melo 33659fd5306SArnaldo Carvalho de Melo priv = symbol__priv(he->ms.sym); 33746e3e055SArnaldo Carvalho de Melo if (priv->hist == NULL) { 33846e3e055SArnaldo Carvalho de Melo find_next: 33946e3e055SArnaldo Carvalho de Melo if (key == KEY_LEFT) 34046e3e055SArnaldo Carvalho de Melo nd = rb_prev(nd); 34146e3e055SArnaldo Carvalho de Melo else 34246e3e055SArnaldo Carvalho de Melo nd = rb_next(nd); 343e4204992SArnaldo Carvalho de Melo continue; 34446e3e055SArnaldo Carvalho de Melo } 345e4204992SArnaldo Carvalho de Melo 34646e3e055SArnaldo Carvalho de Melo if (use_browser) { 34746e3e055SArnaldo Carvalho de Melo key = hist_entry__tui_annotate(he); 34846e3e055SArnaldo Carvalho de Melo if (is_exit_key(key)) 34946e3e055SArnaldo Carvalho de Melo break; 35046e3e055SArnaldo Carvalho de Melo switch (key) { 35146e3e055SArnaldo Carvalho de Melo case KEY_RIGHT: 35246e3e055SArnaldo Carvalho de Melo case '\t': 35346e3e055SArnaldo Carvalho de Melo nd = rb_next(nd); 35446e3e055SArnaldo Carvalho de Melo break; 35546e3e055SArnaldo Carvalho de Melo case KEY_LEFT: 35646e3e055SArnaldo Carvalho de Melo if (nd == first) 35746e3e055SArnaldo Carvalho de Melo continue; 35846e3e055SArnaldo Carvalho de Melo nd = rb_prev(nd); 35946e3e055SArnaldo Carvalho de Melo default: 36046e3e055SArnaldo Carvalho de Melo break; 36146e3e055SArnaldo Carvalho de Melo } 36246e3e055SArnaldo Carvalho de Melo } else { 36346e3e055SArnaldo Carvalho de Melo hist_entry__tty_annotate(he); 36446e3e055SArnaldo Carvalho de Melo nd = rb_next(nd); 365ed52ce2eSArnaldo Carvalho de Melo /* 36646e3e055SArnaldo Carvalho de Melo * Since we have a hist_entry per IP for the same 36746e3e055SArnaldo Carvalho de Melo * symbol, free he->ms.sym->hist to signal we already 36846e3e055SArnaldo Carvalho de Melo * processed this symbol. 369ed52ce2eSArnaldo Carvalho de Melo */ 370e4204992SArnaldo Carvalho de Melo free(priv->hist); 371e4204992SArnaldo Carvalho de Melo priv->hist = NULL; 37286470930SIngo Molnar } 37386470930SIngo Molnar } 37446e3e055SArnaldo Carvalho de Melo } 37586470930SIngo Molnar 376301a0b02SArnaldo Carvalho de Melo static struct perf_event_ops event_ops = { 37755aa640fSArnaldo Carvalho de Melo .sample = process_sample_event, 37855aa640fSArnaldo Carvalho de Melo .mmap = event__process_mmap, 37955aa640fSArnaldo Carvalho de Melo .comm = event__process_comm, 38055aa640fSArnaldo Carvalho de Melo .fork = event__process_task, 381bab81b62SLi Zefan }; 382bab81b62SLi Zefan 38386470930SIngo Molnar static int __cmd_annotate(void) 38486470930SIngo Molnar { 385bab81b62SLi Zefan int ret; 38675be6cf4SArnaldo Carvalho de Melo struct perf_session *session; 38786470930SIngo Molnar 388454c407eSTom Zanussi session = perf_session__new(input_name, O_RDONLY, force, false); 38994c744b6SArnaldo Carvalho de Melo if (session == NULL) 39094c744b6SArnaldo Carvalho de Melo return -ENOMEM; 39194c744b6SArnaldo Carvalho de Melo 392ec913369SArnaldo Carvalho de Melo ret = perf_session__process_events(session, &event_ops); 393bab81b62SLi Zefan if (ret) 39494c744b6SArnaldo Carvalho de Melo goto out_delete; 39586470930SIngo Molnar 39662daacb5SArnaldo Carvalho de Melo if (dump_trace) { 397c8446b9bSArnaldo Carvalho de Melo perf_session__fprintf_nr_events(session, stdout); 39894c744b6SArnaldo Carvalho de Melo goto out_delete; 39962daacb5SArnaldo Carvalho de Melo } 40086470930SIngo Molnar 401da21d1b5SArnaldo Carvalho de Melo if (verbose > 3) 402b3165f41SArnaldo Carvalho de Melo perf_session__fprintf(session, stdout); 40386470930SIngo Molnar 404da21d1b5SArnaldo Carvalho de Melo if (verbose > 2) 405cbf69680SArnaldo Carvalho de Melo perf_session__fprintf_dsos(session, stdout); 40686470930SIngo Molnar 4071c02c4d2SArnaldo Carvalho de Melo hists__collapse_resort(&session->hists); 4081c02c4d2SArnaldo Carvalho de Melo hists__output_resort(&session->hists); 4091c02c4d2SArnaldo Carvalho de Melo hists__find_annotations(&session->hists); 41094c744b6SArnaldo Carvalho de Melo out_delete: 41194c744b6SArnaldo Carvalho de Melo perf_session__delete(session); 41286470930SIngo Molnar 413bab81b62SLi Zefan return ret; 41486470930SIngo Molnar } 41586470930SIngo Molnar 41686470930SIngo Molnar static const char * const annotate_usage[] = { 41786470930SIngo Molnar "perf annotate [<options>] <command>", 41886470930SIngo Molnar NULL 41986470930SIngo Molnar }; 42086470930SIngo Molnar 42186470930SIngo Molnar static const struct option options[] = { 42286470930SIngo Molnar OPT_STRING('i', "input", &input_name, "file", 42386470930SIngo Molnar "input file name"), 424ac73c5a9SArnaldo Carvalho de Melo OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 425ac73c5a9SArnaldo Carvalho de Melo "only consider symbols in these dsos"), 42623b87116SIngo Molnar OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", 42786470930SIngo Molnar "symbol to annotate"), 428fa6963b2SPeter Zijlstra OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 429c0555642SIan Munsie OPT_INCR('v', "verbose", &verbose, 43086470930SIngo Molnar "be more verbose (show symbol address, etc)"), 43186470930SIngo Molnar OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 43286470930SIngo Molnar "dump raw trace in ASCII"), 433b32d133aSArnaldo Carvalho de Melo OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, 434b32d133aSArnaldo Carvalho de Melo "file", "vmlinux pathname"), 435b32d133aSArnaldo Carvalho de Melo OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 43642976487SMike Galbraith "load module symbols - WARNING: use only with -k and LIVE kernel"), 437301406b9SFrederic Weisbecker OPT_BOOLEAN('l', "print-line", &print_line, 438301406b9SFrederic Weisbecker "print matching source lines (may be slow)"), 43942976487SMike Galbraith OPT_BOOLEAN('P', "full-paths", &full_paths, 44042976487SMike Galbraith "Don't shorten the displayed pathnames"), 44186470930SIngo Molnar OPT_END() 44286470930SIngo Molnar }; 44386470930SIngo Molnar 444f37a291cSIngo Molnar int cmd_annotate(int argc, const char **argv, const char *prefix __used) 44586470930SIngo Molnar { 446655000e7SArnaldo Carvalho de Melo argc = parse_options(argc, argv, options, annotate_usage, 0); 447655000e7SArnaldo Carvalho de Melo 44846e3e055SArnaldo Carvalho de Melo setup_browser(); 44946e3e055SArnaldo Carvalho de Melo 45075be6cf4SArnaldo Carvalho de Melo symbol_conf.priv_size = sizeof(struct sym_priv); 45175be6cf4SArnaldo Carvalho de Melo symbol_conf.try_vmlinux_path = true; 45275be6cf4SArnaldo Carvalho de Melo 45375be6cf4SArnaldo Carvalho de Melo if (symbol__init() < 0) 454b32d133aSArnaldo Carvalho de Melo return -1; 45586470930SIngo Molnar 456c8829c7aSArnaldo Carvalho de Melo setup_sorting(annotate_usage, options); 45786470930SIngo Molnar 45886470930SIngo Molnar if (argc) { 45986470930SIngo Molnar /* 46086470930SIngo Molnar * Special case: if there's an argument left then assume tha 46186470930SIngo Molnar * it's a symbol filter: 46286470930SIngo Molnar */ 46386470930SIngo Molnar if (argc > 1) 46486470930SIngo Molnar usage_with_options(annotate_usage, options); 46586470930SIngo Molnar 46686470930SIngo Molnar sym_hist_filter = argv[0]; 46786470930SIngo Molnar } 46886470930SIngo Molnar 469dd68ada2SJohn Kacur if (field_sep && *field_sep == '.') { 47029a9f66dSArnaldo Carvalho de Melo pr_err("'.' is the only non valid --field-separator argument\n"); 47129a9f66dSArnaldo Carvalho de Melo return -1; 472dd68ada2SJohn Kacur } 473dd68ada2SJohn Kacur 47486470930SIngo Molnar return __cmd_annotate(); 47586470930SIngo Molnar } 476