tools/perf/util/annotate.c

   1 /*
   2  * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
   3  *
   4  * Parts came from builtin-annotate.c, see those files for further
   5  * copyright notes.
   6  *
   7  * Released under the GPL v2. (and only v2, not any later version)
   8  */
   9
  10 #include "util.h"
  11 #include "ui/ui.h"
  12 #include "sort.h"
  13 #include "build-id.h"
  14 #include "color.h"
  15 #include "cache.h"
  16 #include "symbol.h"
  17 #include "debug.h"
  18 #include "annotate.h"
  19 #include "evsel.h"
  20 #include <regex.h>
  21 #include <pthread.h>
  22 #include <linux/bitops.h>
  23
  24 const char      *disassembler_style;
  25 const char      *objdump_path;
  26 static regex_t   file_lineno;
  27
  28 static struct ins *ins__find(const char *name);
  29 static int disasm_line__parse(char *line, char **namep, char **rawp);
  30
  31 static void ins__delete(struct ins_operands *ops)
  32 {
  33         zfree(&ops->source.raw);
  34         zfree(&ops->source.name);
  35         zfree(&ops->target.raw);
  36         zfree(&ops->target.name);
  37 }
  38
  39 static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
  40                               struct ins_operands *ops)
  41 {
  42         return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);
  43 }
  44
  45 int ins__scnprintf(struct ins *ins, char *bf, size_t size,
  46                   struct ins_operands *ops)
  47 {
  48         if (ins->ops->scnprintf)
  49                 return ins->ops->scnprintf(ins, bf, size, ops);
  50
  51         return ins__raw_scnprintf(ins, bf, size, ops);
  52 }
  53
  54 static int call__parse(struct ins_operands *ops)
  55 {
  56         char *endptr, *tok, *name;
  57
  58         ops->target.addr = strtoull(ops->raw, &endptr, 16);
  59
  60         name = strchr(endptr, '<');
  61         if (name == NULL)
  62                 goto indirect_call;
  63
  64         name++;
  65
  66         tok = strchr(name, '>');
  67         if (tok == NULL)
  68                 return -1;
  69
  70         *tok = '\0';
  71         ops->target.name = strdup(name);
  72         *tok = '>';
  73
  74         return ops->target.name == NULL ? -1 : 0;
  75
  76 indirect_call:
  77         tok = strchr(endptr, '(');
  78         if (tok != NULL) {
  79                 ops->target.addr = 0;
  80                 return 0;
  81         }
  82
  83         tok = strchr(endptr, '*');
  84         if (tok == NULL)
  85                 return -1;
  86
  87         ops->target.addr = strtoull(tok + 1, NULL, 16);
  88         return 0;
  89 }
  90
  91 static int call__scnprintf(struct ins *ins, char *bf, size_t size,
  92                            struct ins_operands *ops)
  93 {
  94         if (ops->target.name)
  95                 return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name);
  96
  97         if (ops->target.addr == 0)
  98                 return ins__raw_scnprintf(ins, bf, size, ops);
  99
 100         return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
 101 }
 102
 103 static struct ins_ops call_ops = {
 104         .parse     = call__parse,
 105         .scnprintf = call__scnprintf,
 106 };
 107
 108 bool ins__is_call(const struct ins *ins)
 109 {
 110         return ins->ops == &call_ops;
 111 }
 112
 113 static int jump__parse(struct ins_operands *ops)
 114 {
 115         const char *s = strchr(ops->raw, '+');
 116
 117         ops->target.addr = strtoull(ops->raw, NULL, 16);
 118
 119         if (s++ != NULL)
 120                 ops->target.offset = strtoull(s, NULL, 16);
 121         else
 122                 ops->target.offset = UINT64_MAX;
 123
 124         return 0;
 125 }
 126
 127 static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
 128                            struct ins_operands *ops)
 129 {
 130         return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
 131 }
 132
 133 static struct ins_ops jump_ops = {
 134         .parse     = jump__parse,
 135         .scnprintf = jump__scnprintf,
 136 };
 137
 138 bool ins__is_jump(const struct ins *ins)
 139 {
 140         return ins->ops == &jump_ops;
 141 }
 142
 143 static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
 144 {
 145         char *endptr, *name, *t;
 146
 147         if (strstr(raw, "(%rip)") == NULL)
 148                 return 0;
 149
 150         *addrp = strtoull(comment, &endptr, 16);
 151         name = strchr(endptr, '<');
 152         if (name == NULL)
 153                 return -1;
 154
 155         name++;
 156
 157         t = strchr(name, '>');
 158         if (t == NULL)
 159                 return 0;
 160
 161         *t = '\0';
 162         *namep = strdup(name);
 163         *t = '>';
 164
 165         return 0;
 166 }
 167
 168 static int lock__parse(struct ins_operands *ops)
 169 {
 170         char *name;
 171
 172         ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
 173         if (ops->locked.ops == NULL)
 174                 return 0;
 175
 176         if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0)
 177                 goto out_free_ops;
 178
 179         ops->locked.ins = ins__find(name);
 180         if (ops->locked.ins == NULL)
 181                 goto out_free_ops;
 182
 183         if (!ops->locked.ins->ops)
 184                 return 0;
 185
 186         if (ops->locked.ins->ops->parse)
 187                 ops->locked.ins->ops->parse(ops->locked.ops);
 188
 189         return 0;
 190
 191 out_free_ops:
 192         zfree(&ops->locked.ops);
 193         return 0;
 194 }
 195
 196 static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
 197                            struct ins_operands *ops)
 198 {
 199         int printed;
 200
 201         if (ops->locked.ins == NULL)
 202                 return ins__raw_scnprintf(ins, bf, size, ops);
 203
 204         printed = scnprintf(bf, size, "%-6.6s ", ins->name);
 205         return printed + ins__scnprintf(ops->locked.ins, bf + printed,
 206                                         size - printed, ops->locked.ops);
 207 }
 208
 209 static void lock__delete(struct ins_operands *ops)
 210 {
 211         zfree(&ops->locked.ops);
 212         zfree(&ops->target.raw);
 213         zfree(&ops->target.name);
 214 }
 215
 216 static struct ins_ops lock_ops = {
 217         .free      = lock__delete,
 218         .parse     = lock__parse,
 219         .scnprintf = lock__scnprintf,
 220 };
 221
 222 static int mov__parse(struct ins_operands *ops)
 223 {
 224         char *s = strchr(ops->raw, ','), *target, *comment, prev;
 225
 226         if (s == NULL)
 227                 return -1;
 228
 229         *s = '\0';
 230         ops->source.raw = strdup(ops->raw);
 231         *s = ',';
 232
 233         if (ops->source.raw == NULL)
 234                 return -1;
 235
 236         target = ++s;
 237         comment = strchr(s, '#');
 238
 239         if (comment != NULL)
 240                 s = comment - 1;
 241         else
 242                 s = strchr(s, '\0') - 1;
 243
 244         while (s > target && isspace(s[0]))
 245                 --s;
 246         s++;
 247         prev = *s;
 248         *s = '\0';
 249
 250         ops->target.raw = strdup(target);
 251         *s = prev;
 252
 253         if (ops->target.raw == NULL)
 254                 goto out_free_source;
 255
 256         if (comment == NULL)
 257                 return 0;
 258
 259         while (comment[0] != '\0' && isspace(comment[0]))
 260                 ++comment;
 261
 262         comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name);
 263         comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
 264
 265         return 0;
 266
 267 out_free_source:
 268         zfree(&ops->source.raw);
 269         return -1;
 270 }
 271
 272 static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
 273                            struct ins_operands *ops)
 274 {
 275         return scnprintf(bf, size, "%-6.6s %s,%s", ins->name,
 276                          ops->source.name ?: ops->source.raw,
 277                          ops->target.name ?: ops->target.raw);
 278 }
 279
 280 static struct ins_ops mov_ops = {
 281         .parse     = mov__parse,
 282         .scnprintf = mov__scnprintf,
 283 };
 284
 285 static int dec__parse(struct ins_operands *ops)
 286 {
 287         char *target, *comment, *s, prev;
 288
 289         target = s = ops->raw;
 290
 291         while (s[0] != '\0' && !isspace(s[0]))
 292                 ++s;
 293         prev = *s;
 294         *s = '\0';
 295
 296         ops->target.raw = strdup(target);
 297         *s = prev;
 298
 299         if (ops->target.raw == NULL)
 300                 return -1;
 301
 302         comment = strchr(s, '#');
 303         if (comment == NULL)
 304                 return 0;
 305
 306         while (comment[0] != '\0' && isspace(comment[0]))
 307                 ++comment;
 308
 309         comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
 310
 311         return 0;
 312 }
 313
 314 static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
 315                            struct ins_operands *ops)
 316 {
 317         return scnprintf(bf, size, "%-6.6s %s", ins->name,
 318                          ops->target.name ?: ops->target.raw);
 319 }
 320
 321 static struct ins_ops dec_ops = {
 322         .parse     = dec__parse,
 323         .scnprintf = dec__scnprintf,
 324 };
 325
 326 static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
 327                           struct ins_operands *ops __maybe_unused)
 328 {
 329         return scnprintf(bf, size, "%-6.6s", "nop");
 330 }
 331
 332 static struct ins_ops nop_ops = {
 333         .scnprintf = nop__scnprintf,
 334 };
 335
 336 /*
 337  * Must be sorted by name!
 338  */
 339 static struct ins instructions[] = {
 340         { .name = "add",   .ops  = &mov_ops, },
 341         { .name = "addl",  .ops  = &mov_ops, },
 342         { .name = "addq",  .ops  = &mov_ops, },
 343         { .name = "addw",  .ops  = &mov_ops, },
 344         { .name = "and",   .ops  = &mov_ops, },
 345         { .name = "bts",   .ops  = &mov_ops, },
 346         { .name = "call",  .ops  = &call_ops, },
 347         { .name = "callq", .ops  = &call_ops, },
 348         { .name = "cmp",   .ops  = &mov_ops, },
 349         { .name = "cmpb",  .ops  = &mov_ops, },
 350         { .name = "cmpl",  .ops  = &mov_ops, },
 351         { .name = "cmpq",  .ops  = &mov_ops, },
 352         { .name = "cmpw",  .ops  = &mov_ops, },
 353         { .name = "cmpxch", .ops  = &mov_ops, },
 354         { .name = "dec",   .ops  = &dec_ops, },
 355         { .name = "decl",  .ops  = &dec_ops, },
 356         { .name = "imul",  .ops  = &mov_ops, },
 357         { .name = "inc",   .ops  = &dec_ops, },
 358         { .name = "incl",  .ops  = &dec_ops, },
 359         { .name = "ja",    .ops  = &jump_ops, },
 360         { .name = "jae",   .ops  = &jump_ops, },
 361         { .name = "jb",    .ops  = &jump_ops, },
 362         { .name = "jbe",   .ops  = &jump_ops, },
 363         { .name = "jc",    .ops  = &jump_ops, },
 364         { .name = "jcxz",  .ops  = &jump_ops, },
 365         { .name = "je",    .ops  = &jump_ops, },
 366         { .name = "jecxz", .ops  = &jump_ops, },
 367         { .name = "jg",    .ops  = &jump_ops, },
 368         { .name = "jge",   .ops  = &jump_ops, },
 369         { .name = "jl",    .ops  = &jump_ops, },
 370         { .name = "jle",   .ops  = &jump_ops, },
 371         { .name = "jmp",   .ops  = &jump_ops, },
 372         { .name = "jmpq",  .ops  = &jump_ops, },
 373         { .name = "jna",   .ops  = &jump_ops, },
 374         { .name = "jnae",  .ops  = &jump_ops, },
 375         { .name = "jnb",   .ops  = &jump_ops, },
 376         { .name = "jnbe",  .ops  = &jump_ops, },
 377         { .name = "jnc",   .ops  = &jump_ops, },
 378         { .name = "jne",   .ops  = &jump_ops, },
 379         { .name = "jng",   .ops  = &jump_ops, },
 380         { .name = "jnge",  .ops  = &jump_ops, },
 381         { .name = "jnl",   .ops  = &jump_ops, },
 382         { .name = "jnle",  .ops  = &jump_ops, },
 383         { .name = "jno",   .ops  = &jump_ops, },
 384         { .name = "jnp",   .ops  = &jump_ops, },
 385         { .name = "jns",   .ops  = &jump_ops, },
 386         { .name = "jnz",   .ops  = &jump_ops, },
 387         { .name = "jo",    .ops  = &jump_ops, },
 388         { .name = "jp",    .ops  = &jump_ops, },
 389         { .name = "jpe",   .ops  = &jump_ops, },
 390         { .name = "jpo",   .ops  = &jump_ops, },
 391         { .name = "jrcxz", .ops  = &jump_ops, },
 392         { .name = "js",    .ops  = &jump_ops, },
 393         { .name = "jz",    .ops  = &jump_ops, },
 394         { .name = "lea",   .ops  = &mov_ops, },
 395         { .name = "lock",  .ops  = &lock_ops, },
 396         { .name = "mov",   .ops  = &mov_ops, },
 397         { .name = "movb",  .ops  = &mov_ops, },
 398         { .name = "movdqa",.ops  = &mov_ops, },
 399         { .name = "movl",  .ops  = &mov_ops, },
 400         { .name = "movq",  .ops  = &mov_ops, },
 401         { .name = "movslq", .ops  = &mov_ops, },
 402         { .name = "movzbl", .ops  = &mov_ops, },
 403         { .name = "movzwl", .ops  = &mov_ops, },
 404         { .name = "nop",   .ops  = &nop_ops, },
 405         { .name = "nopl",  .ops  = &nop_ops, },
 406         { .name = "nopw",  .ops  = &nop_ops, },
 407         { .name = "or",    .ops  = &mov_ops, },
 408         { .name = "orl",   .ops  = &mov_ops, },
 409         { .name = "test",  .ops  = &mov_ops, },
 410         { .name = "testb", .ops  = &mov_ops, },
 411         { .name = "testl", .ops  = &mov_ops, },
 412         { .name = "xadd",  .ops  = &mov_ops, },
 413         { .name = "xbeginl", .ops  = &jump_ops, },
 414         { .name = "xbeginq", .ops  = &jump_ops, },
 415 };
 416
 417 static int ins__cmp(const void *name, const void *insp)
 418 {
 419         const struct ins *ins = insp;
 420
 421         return strcmp(name, ins->name);
 422 }
 423
 424 static struct ins *ins__find(const char *name)
 425 {
 426         const int nmemb = ARRAY_SIZE(instructions);
 427
 428         return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
 429 }
 430
 431 int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym)
 432 {
 433         struct annotation *notes = symbol__annotation(sym);
 434         pthread_mutex_init(&notes->lock, NULL);
 435         return 0;
 436 }
 437
 438 int symbol__alloc_hist(struct symbol *sym)
 439 {
 440         struct annotation *notes = symbol__annotation(sym);
 441         const size_t size = symbol__size(sym);
 442         size_t sizeof_sym_hist;
 443
 444         /* Check for overflow when calculating sizeof_sym_hist */
 445         if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64))
 446                 return -1;
 447
 448         sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64));
 449
 450         /* Check for overflow in zalloc argument */
 451         if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src))
 452                                 / symbol_conf.nr_events)
 453                 return -1;
 454
 455         notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
 456         if (notes->src == NULL)
 457                 return -1;
 458         notes->src->sizeof_sym_hist = sizeof_sym_hist;
 459         notes->src->nr_histograms   = symbol_conf.nr_events;
 460         INIT_LIST_HEAD(&notes->src->source);
 461         return 0;
 462 }
 463
 464 void symbol__annotate_zero_histograms(struct symbol *sym)
 465 {
 466         struct annotation *notes = symbol__annotation(sym);
 467
 468         pthread_mutex_lock(&notes->lock);
 469         if (notes->src != NULL)
 470                 memset(notes->src->histograms, 0,
 471                        notes->src->nr_histograms * notes->src->sizeof_sym_hist);
 472         pthread_mutex_unlock(&notes->lock);
 473 }
 474
 475 static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
 476                                       struct annotation *notes, int evidx, u64 addr)
 477 {
 478         unsigned offset;
 479         struct sym_hist *h;
 480
 481         pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
 482
 483         if (addr < sym->start || addr >= sym->end)
 484                 return -ERANGE;
 485
 486         offset = addr - sym->start;
 487         h = annotation__histogram(notes, evidx);
 488         h->sum++;
 489         h->addr[offset]++;
 490
 491         pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
 492                   ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name,
 493                   addr, addr - sym->start, evidx, h->addr[offset]);
 494         return 0;
 495 }
 496
 497 static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
 498                                     int evidx, u64 addr)
 499 {
 500         struct annotation *notes;
 501
 502         if (sym == NULL)
 503                 return 0;
 504
 505         notes = symbol__annotation(sym);
 506         if (notes->src == NULL) {
 507                 if (symbol__alloc_hist(sym) < 0)
 508                         return -ENOMEM;
 509         }
 510
 511         return __symbol__inc_addr_samples(sym, map, notes, evidx, addr);
 512 }
 513
 514 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx)
 515 {
 516         return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr);
 517 }
 518
 519 int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
 520 {
 521         return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
 522 }
 523
 524 static void disasm_line__init_ins(struct disasm_line *dl)
 525 {
 526         dl->ins = ins__find(dl->name);
 527
 528         if (dl->ins == NULL)
 529                 return;
 530
 531         if (!dl->ins->ops)
 532                 return;
 533
 534         if (dl->ins->ops->parse)
 535                 dl->ins->ops->parse(&dl->ops);
 536 }
 537
 538 static int disasm_line__parse(char *line, char **namep, char **rawp)
 539 {
 540         char *name = line, tmp;
 541
 542         while (isspace(name[0]))
 543                 ++name;
 544
 545         if (name[0] == '\0')
 546                 return -1;
 547
 548         *rawp = name + 1;
 549
 550         while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
 551                 ++*rawp;
 552
 553         tmp = (*rawp)[0];
 554         (*rawp)[0] = '\0';
 555         *namep = strdup(name);
 556
 557         if (*namep == NULL)
 558                 goto out_free_name;
 559
 560         (*rawp)[0] = tmp;
 561
 562         if ((*rawp)[0] != '\0') {
 563                 (*rawp)++;
 564                 while (isspace((*rawp)[0]))
 565                         ++(*rawp);
 566         }
 567
 568         return 0;
 569
 570 out_free_name:
 571         zfree(namep);
 572         return -1;
 573 }
 574
 575 static struct disasm_line *disasm_line__new(s64 offset, char *line,
 576                                         size_t privsize, int line_nr)
 577 {
 578         struct disasm_line *dl = zalloc(sizeof(*dl) + privsize);
 579
 580         if (dl != NULL) {
 581                 dl->offset = offset;
 582                 dl->line = strdup(line);
 583                 dl->line_nr = line_nr;
 584                 if (dl->line == NULL)
 585                         goto out_delete;
 586
 587                 if (offset != -1) {
 588                         if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0)
 589                                 goto out_free_line;
 590
 591                         disasm_line__init_ins(dl);
 592                 }
 593         }
 594
 595         return dl;
 596
 597 out_free_line:
 598         zfree(&dl->line);
 599 out_delete:
 600         free(dl);
 601         return NULL;
 602 }
 603
 604 void disasm_line__free(struct disasm_line *dl)
 605 {
 606         zfree(&dl->line);
 607         zfree(&dl->name);
 608         if (dl->ins && dl->ins->ops->free)
 609                 dl->ins->ops->free(&dl->ops);
 610         else
 611                 ins__delete(&dl->ops);
 612         free(dl);
 613 }
 614
 615 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw)
 616 {
 617         if (raw || !dl->ins)
 618                 return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw);
 619
 620         return ins__scnprintf(dl->ins, bf, size, &dl->ops);
 621 }
 622
 623 static void disasm__add(struct list_head *head, struct disasm_line *line)
 624 {
 625         list_add_tail(&line->node, head);
 626 }
 627
 628 struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos)
 629 {
 630         list_for_each_entry_continue(pos, head, node)
 631                 if (pos->offset >= 0)
 632                         return pos;
 633
 634         return NULL;
 635 }
 636
 637 double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
 638                             s64 end, const char **path)
 639 {
 640         struct source_line *src_line = notes->src->lines;
 641         double percent = 0.0;
 642
 643         if (src_line) {
 644                 size_t sizeof_src_line = sizeof(*src_line) +
 645                                 sizeof(src_line->p) * (src_line->nr_pcnt - 1);
 646
 647                 while (offset < end) {
 648                         src_line = (void *)notes->src->lines +
 649                                         (sizeof_src_line * offset);
 650
 651                         if (*path == NULL)
 652                                 *path = src_line->path;
 653
 654                         percent += src_line->p[evidx].percent;
 655                         offset++;
 656                 }
 657         } else {
 658                 struct sym_hist *h = annotation__histogram(notes, evidx);
 659                 unsigned int hits = 0;
 660
 661                 while (offset < end)
 662                         hits += h->addr[offset++];
 663
 664                 if (h->sum)
 665                         percent = 100.0 * hits / h->sum;
 666         }
 667
 668         return percent;
 669 }
 670
 671 static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
 672                       struct perf_evsel *evsel, u64 len, int min_pcnt, int printed,
 673                       int max_lines, struct disasm_line *queue)
 674 {
 675         static const char *prev_line;
 676         static const char *prev_color;
 677
 678         if (dl->offset != -1) {
 679                 const char *path = NULL;
 680                 double percent, max_percent = 0.0;
 681                 double *ppercents = &percent;
 682                 int i, nr_percent = 1;
 683                 const char *color;
 684                 struct annotation *notes = symbol__annotation(sym);
 685                 s64 offset = dl->offset;
 686                 const u64 addr = start + offset;
 687                 struct disasm_line *next;
 688
 689                 next = disasm__get_next_ip_line(&notes->src->source, dl);
 690
 691                 if (perf_evsel__is_group_event(evsel)) {
 692                         nr_percent = evsel->nr_members;
 693                         ppercents = calloc(nr_percent, sizeof(double));
 694                         if (ppercents == NULL)
 695                                 return -1;
 696                 }
 697
 698                 for (i = 0; i < nr_percent; i++) {
 699                         percent = disasm__calc_percent(notes,
 700                                         notes->src->lines ? i : evsel->idx + i,
 701                                         offset,
 702                                         next ? next->offset : (s64) len,
 703                                         &path);
 704
 705                         ppercents[i] = percent;
 706                         if (percent > max_percent)
 707                                 max_percent = percent;
 708                 }
 709
 710                 if (max_percent < min_pcnt)
 711                         return -1;
 712
 713                 if (max_lines && printed >= max_lines)
 714                         return 1;
 715
 716                 if (queue != NULL) {
 717                         list_for_each_entry_from(queue, &notes->src->source, node) {
 718                                 if (queue == dl)
 719                                         break;
 720                                 disasm_line__print(queue, sym, start, evsel, len,
 721                                                     0, 0, 1, NULL);
 722                         }
 723                 }
 724
 725                 color = get_percent_color(max_percent);
 726
 727                 /*
 728                  * Also color the filename and line if needed, with
 729                  * the same color than the percentage. Don't print it
 730                  * twice for close colored addr with the same filename:line
 731                  */
 732                 if (path) {
 733                         if (!prev_line || strcmp(prev_line, path)
 734                                        || color != prev_color) {
 735                                 color_fprintf(stdout, color, " %s", path);
 736                                 prev_line = path;
 737                                 prev_color = color;
 738                         }
 739                 }
 740
 741                 for (i = 0; i < nr_percent; i++) {
 742                         percent = ppercents[i];
 743                         color = get_percent_color(percent);
 744                         color_fprintf(stdout, color, " %7.2f", percent);
 745                 }
 746
 747                 printf(" :      ");
 748                 color_fprintf(stdout, PERF_COLOR_MAGENTA, "  %" PRIx64 ":", addr);
 749                 color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
 750
 751                 if (ppercents != &percent)
 752                         free(ppercents);
 753
 754         } else if (max_lines && printed >= max_lines)
 755                 return 1;
 756         else {
 757                 int width = 8;
 758
 759                 if (queue)
 760                         return -1;
 761
 762                 if (perf_evsel__is_group_event(evsel))
 763                         width *= evsel->nr_members;
 764
 765                 if (!*dl->line)
 766                         printf(" %*s:\n", width, " ");
 767                 else
 768                         printf(" %*s:   %s\n", width, " ", dl->line);
 769         }
 770
 771         return 0;
 772 }
 773
 774 /*
 775  * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
 776  * which looks like following
 777  *
 778  *  0000000000415500 <_init>:
 779  *    415500:       sub    $0x8,%rsp
 780  *    415504:       mov    0x2f5ad5(%rip),%rax        # 70afe0 <_DYNAMIC+0x2f8>
 781  *    41550b:       test   %rax,%rax
 782  *    41550e:       je     415515 <_init+0x15>
 783  *    415510:       callq  416e70 <__gmon_start__@plt>
 784  *    415515:       add    $0x8,%rsp
 785  *    415519:       retq
 786  *
 787  * it will be parsed and saved into struct disasm_line as
 788  *  <offset>       <name>  <ops.raw>
 789  *
 790  * The offset will be a relative offset from the start of the symbol and -1
 791  * means that it's not a disassembly line so should be treated differently.
 792  * The ops.raw part will be parsed further according to type of the instruction.
 793  */
 794 static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
 795                                       FILE *file, size_t privsize,
 796                                       int *line_nr)
 797 {
 798         struct annotation *notes = symbol__annotation(sym);
 799         struct disasm_line *dl;
 800         char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
 801         size_t line_len;
 802         s64 line_ip, offset = -1;
 803         regmatch_t match[2];
 804
 805         if (getline(&line, &line_len, file) < 0)
 806                 return -1;
 807
 808         if (!line)
 809                 return -1;
 810
 811         while (line_len != 0 && isspace(line[line_len - 1]))
 812                 line[--line_len] = '\0';
 813
 814         c = strchr(line, '\n');
 815         if (c)
 816                 *c = 0;
 817
 818         line_ip = -1;
 819         parsed_line = line;
 820
 821         /* /filename:linenr ? Save line number and ignore. */
 822         if (regexec(&file_lineno, line, 2, match, 0) == 0) {
 823                 *line_nr = atoi(line + match[1].rm_so);
 824                 return 0;
 825         }
 826
 827         /*
 828          * Strip leading spaces:
 829          */
 830         tmp = line;
 831         while (*tmp) {
 832                 if (*tmp != ' ')
 833                         break;
 834                 tmp++;
 835         }
 836
 837         if (*tmp) {
 838                 /*
 839                  * Parse hexa addresses followed by ':'
 840                  */
 841                 line_ip = strtoull(tmp, &tmp2, 16);
 842                 if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
 843                         line_ip = -1;
 844         }
 845
 846         if (line_ip != -1) {
 847                 u64 start = map__rip_2objdump(map, sym->start),
 848                     end = map__rip_2objdump(map, sym->end);
 849
 850                 offset = line_ip - start;
 851                 if ((u64)line_ip < start || (u64)line_ip >= end)
 852                         offset = -1;
 853                 else
 854                         parsed_line = tmp2 + 1;
 855         }
 856
 857         dl = disasm_line__new(offset, parsed_line, privsize, *line_nr);
 858         free(line);
 859         (*line_nr)++;
 860
 861         if (dl == NULL)
 862                 return -1;
 863
 864         if (dl->ops.target.offset == UINT64_MAX)
 865                 dl->ops.target.offset = dl->ops.target.addr -
 866                                         map__rip_2objdump(map, sym->start);
 867
 868         /* kcore has no symbols, so add the call target name */
 869         if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) {
 870                 struct addr_map_symbol target = {
 871                         .map = map,
 872                         .addr = dl->ops.target.addr,
 873                 };
 874
 875                 if (!map_groups__find_ams(&target, NULL) &&
 876                     target.sym->start == target.al_addr)
 877                         dl->ops.target.name = strdup(target.sym->name);
 878         }
 879
 880         disasm__add(&notes->src->source, dl);
 881
 882         return 0;
 883 }
 884
 885 static __attribute__((constructor)) void symbol__init_regexpr(void)
 886 {
 887         regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
 888 }
 889
 890 static void delete_last_nop(struct symbol *sym)
 891 {
 892         struct annotation *notes = symbol__annotation(sym);
 893         struct list_head *list = &notes->src->source;
 894         struct disasm_line *dl;
 895
 896         while (!list_empty(list)) {
 897                 dl = list_entry(list->prev, struct disasm_line, node);
 898
 899                 if (dl->ins && dl->ins->ops) {
 900                         if (dl->ins->ops != &nop_ops)
 901                                 return;
 902                 } else {
 903                         if (!strstr(dl->line, " nop ") &&
 904                             !strstr(dl->line, " nopl ") &&
 905                             !strstr(dl->line, " nopw "))
 906                                 return;
 907                 }
 908
 909                 list_del(&dl->node);
 910                 disasm_line__free(dl);
 911         }
 912 }
 913
 914 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
 915 {
 916         struct dso *dso = map->dso;
 917         char *filename = dso__build_id_filename(dso, NULL, 0);
 918         bool free_filename = true;
 919         char command[PATH_MAX * 2];
 920         FILE *file;
 921         int err = 0;
 922         char symfs_filename[PATH_MAX];
 923         struct kcore_extract kce;
 924         bool delete_extract = false;
 925         int lineno = 0;
 926
 927         if (filename)
 928                 symbol__join_symfs(symfs_filename, filename);
 929
 930         if (filename == NULL) {
 931                 if (dso->has_build_id) {
 932                         pr_err("Can't annotate %s: not enough memory\n",
 933                                sym->name);
 934                         return -ENOMEM;
 935                 }
 936                 goto fallback;
 937         } else if (dso__is_kcore(dso)) {
 938                 goto fallback;
 939         } else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
 940                    strstr(command, "[kernel.kallsyms]") ||
 941                    access(symfs_filename, R_OK)) {
 942                 free(filename);
 943 fallback:
 944                 /*
 945                  * If we don't have build-ids or the build-id file isn't in the
 946                  * cache, or is just a kallsyms file, well, lets hope that this
 947                  * DSO is the same as when 'perf record' ran.
 948                  */
 949                 filename = (char *)dso->long_name;
 950                 symbol__join_symfs(symfs_filename, filename);
 951                 free_filename = false;
 952         }
 953
 954         if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
 955             !dso__is_kcore(dso)) {
 956                 char bf[BUILD_ID_SIZE * 2 + 16] = " with build id ";
 957                 char *build_id_msg = NULL;
 958
 959                 if (dso->annotate_warned)
 960                         goto out_free_filename;
 961
 962                 if (dso->has_build_id) {
 963                         build_id__sprintf(dso->build_id,
 964                                           sizeof(dso->build_id), bf + 15);
 965                         build_id_msg = bf;
 966                 }
 967                 err = -ENOENT;
 968                 dso->annotate_warned = 1;
 969                 pr_err("Can't annotate %s:\n\n"
 970                        "No vmlinux file%s\nwas found in the path.\n\n"
 971                        "Please use:\n\n"
 972                        "  perf buildid-cache -vu vmlinux\n\n"
 973                        "or:\n\n"
 974                        "  --vmlinux vmlinux\n",
 975                        sym->name, build_id_msg ?: "");
 976                 goto out_free_filename;
 977         }
 978
 979         pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
 980                  filename, sym->name, map->unmap_ip(map, sym->start),
 981                  map->unmap_ip(map, sym->end));
 982
 983         pr_debug("annotating [%p] %30s : [%p] %30s\n",
 984                  dso, dso->long_name, sym, sym->name);
 985
 986         if (dso__is_kcore(dso)) {
 987                 kce.kcore_filename = symfs_filename;
 988                 kce.addr = map__rip_2objdump(map, sym->start);
 989                 kce.offs = sym->start;
 990                 kce.len = sym->end - sym->start;
 991                 if (!kcore_extract__create(&kce)) {
 992                         delete_extract = true;
 993                         strlcpy(symfs_filename, kce.extract_filename,
 994                                 sizeof(symfs_filename));
 995                         if (free_filename) {
 996                                 free(filename);
 997                                 free_filename = false;
 998                         }
 999                         filename = symfs_filename;
1000                 }
1001         }
1002
1003         snprintf(command, sizeof(command),
1004                  "%s %s%s --start-address=0x%016" PRIx64
1005                  " --stop-address=0x%016" PRIx64
1006                  " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand",
1007                  objdump_path ? objdump_path : "objdump",
1008                  disassembler_style ? "-M " : "",
1009                  disassembler_style ? disassembler_style : "",
1010                  map__rip_2objdump(map, sym->start),
1011                  map__rip_2objdump(map, sym->end),
1012                  symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
1013                  symbol_conf.annotate_src ? "-S" : "",
1014                  symfs_filename, filename);
1015
1016         pr_debug("Executing: %s\n", command);
1017
1018         file = popen(command, "r");
1019         if (!file)
1020                 goto out_free_filename;
1021
1022         while (!feof(file))
1023                 if (symbol__parse_objdump_line(sym, map, file, privsize,
1024                             &lineno) < 0)
1025                         break;
1026
1027         /*
1028          * kallsyms does not have symbol sizes so there may a nop at the end.
1029          * Remove it.
1030          */
1031         if (dso__is_kcore(dso))
1032                 delete_last_nop(sym);
1033
1034         pclose(file);
1035 out_free_filename:
1036         if (delete_extract)
1037                 kcore_extract__delete(&kce);
1038         if (free_filename)
1039                 free(filename);
1040         return err;
1041 }
1042
1043 static void insert_source_line(struct rb_root *root, struct source_line *src_line)
1044 {
1045         struct source_line *iter;
1046         struct rb_node **p = &root->rb_node;
1047         struct rb_node *parent = NULL;
1048         int i, ret;
1049
1050         while (*p != NULL) {
1051                 parent = *p;
1052                 iter = rb_entry(parent, struct source_line, node);
1053
1054                 ret = strcmp(iter->path, src_line->path);
1055                 if (ret == 0) {
1056                         for (i = 0; i < src_line->nr_pcnt; i++)
1057                                 iter->p[i].percent_sum += src_line->p[i].percent;
1058                         return;
1059                 }
1060
1061                 if (ret < 0)
1062                         p = &(*p)->rb_left;
1063                 else
1064                         p = &(*p)->rb_right;
1065         }
1066
1067         for (i = 0; i < src_line->nr_pcnt; i++)
1068                 src_line->p[i].percent_sum = src_line->p[i].percent;
1069
1070         rb_link_node(&src_line->node, parent, p);
1071         rb_insert_color(&src_line->node, root);
1072 }
1073
1074 static int cmp_source_line(struct source_line *a, struct source_line *b)
1075 {
1076         int i;
1077
1078         for (i = 0; i < a->nr_pcnt; i++) {
1079                 if (a->p[i].percent_sum == b->p[i].percent_sum)
1080                         continue;
1081                 return a->p[i].percent_sum > b->p[i].percent_sum;
1082         }
1083
1084         return 0;
1085 }
1086
1087 static void __resort_source_line(struct rb_root *root, struct source_line *src_line)
1088 {
1089         struct source_line *iter;
1090         struct rb_node **p = &root->rb_node;
1091         struct rb_node *parent = NULL;
1092
1093         while (*p != NULL) {
1094                 parent = *p;
1095                 iter = rb_entry(parent, struct source_line, node);
1096
1097                 if (cmp_source_line(src_line, iter))
1098                         p = &(*p)->rb_left;
1099                 else
1100                         p = &(*p)->rb_right;
1101         }
1102
1103         rb_link_node(&src_line->node, parent, p);
1104         rb_insert_color(&src_line->node, root);
1105 }
1106
1107 static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
1108 {
1109         struct source_line *src_line;
1110         struct rb_node *node;
1111
1112         node = rb_first(src_root);
1113         while (node) {
1114                 struct rb_node *next;
1115
1116                 src_line = rb_entry(node, struct source_line, node);
1117                 next = rb_next(node);
1118                 rb_erase(node, src_root);
1119
1120                 __resort_source_line(dest_root, src_line);
1121                 node = next;
1122         }
1123 }
1124
1125 static void symbol__free_source_line(struct symbol *sym, int len)
1126 {
1127         struct annotation *notes = symbol__annotation(sym);
1128         struct source_line *src_line = notes->src->lines;
1129         size_t sizeof_src_line;
1130         int i;
1131
1132         sizeof_src_line = sizeof(*src_line) +
1133                           (sizeof(src_line->p) * (src_line->nr_pcnt - 1));
1134
1135         for (i = 0; i < len; i++) {
1136                 free_srcline(src_line->path);
1137                 src_line = (void *)src_line + sizeof_src_line;
1138         }
1139
1140         zfree(&notes->src->lines);
1141 }
1142
1143 /* Get the filename:line for the colored entries */
1144 static int symbol__get_source_line(struct symbol *sym, struct map *map,
1145                                    struct perf_evsel *evsel,
1146                                    struct rb_root *root, int len)
1147 {
1148         u64 start;
1149         int i, k;
1150         int evidx = evsel->idx;
1151         struct source_line *src_line;
1152         struct annotation *notes = symbol__annotation(sym);
1153         struct sym_hist *h = annotation__histogram(notes, evidx);
1154         struct rb_root tmp_root = RB_ROOT;
1155         int nr_pcnt = 1;
1156         u64 h_sum = h->sum;
1157         size_t sizeof_src_line = sizeof(struct source_line);
1158
1159         if (perf_evsel__is_group_event(evsel)) {
1160                 for (i = 1; i < evsel->nr_members; i++) {
1161                         h = annotation__histogram(notes, evidx + i);
1162                         h_sum += h->sum;
1163                 }
1164                 nr_pcnt = evsel->nr_members;
1165                 sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->p);
1166         }
1167
1168         if (!h_sum)
1169                 return 0;
1170
1171         src_line = notes->src->lines = calloc(len, sizeof_src_line);
1172         if (!notes->src->lines)
1173                 return -1;
1174
1175         start = map__rip_2objdump(map, sym->start);
1176
1177         for (i = 0; i < len; i++) {
1178                 u64 offset;
1179                 double percent_max = 0.0;
1180
1181                 src_line->nr_pcnt = nr_pcnt;
1182
1183                 for (k = 0; k < nr_pcnt; k++) {
1184                         h = annotation__histogram(notes, evidx + k);
1185                         src_line->p[k].percent = 100.0 * h->addr[i] / h->sum;
1186
1187                         if (src_line->p[k].percent > percent_max)
1188                                 percent_max = src_line->p[k].percent;
1189                 }
1190
1191                 if (percent_max <= 0.5)
1192                         goto next;
1193
1194                 offset = start + i;
1195                 src_line->path = get_srcline(map->dso, offset, NULL, false);
1196                 insert_source_line(&tmp_root, src_line);
1197
1198         next:
1199                 src_line = (void *)src_line + sizeof_src_line;
1200         }
1201
1202         resort_source_line(root, &tmp_root);
1203         return 0;
1204 }
1205
1206 static void print_summary(struct rb_root *root, const char *filename)
1207 {
1208         struct source_line *src_line;
1209         struct rb_node *node;
1210
1211         printf("\nSorted summary for file %s\n", filename);
1212         printf("----------------------------------------------\n\n");
1213
1214         if (RB_EMPTY_ROOT(root)) {
1215                 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
1216                 return;
1217         }
1218
1219         node = rb_first(root);
1220         while (node) {
1221                 double percent, percent_max = 0.0;
1222                 const char *color;
1223                 char *path;
1224                 int i;
1225
1226                 src_line = rb_entry(node, struct source_line, node);
1227                 for (i = 0; i < src_line->nr_pcnt; i++) {
1228                         percent = src_line->p[i].percent_sum;
1229                         color = get_percent_color(percent);
1230                         color_fprintf(stdout, color, " %7.2f", percent);
1231
1232                         if (percent > percent_max)
1233                                 percent_max = percent;
1234                 }
1235
1236                 path = src_line->path;
1237                 color = get_percent_color(percent_max);
1238                 color_fprintf(stdout, color, " %s\n", path);
1239
1240                 node = rb_next(node);
1241         }
1242 }
1243
1244 static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
1245 {
1246         struct annotation *notes = symbol__annotation(sym);
1247         struct sym_hist *h = annotation__histogram(notes, evsel->idx);
1248         u64 len = symbol__size(sym), offset;
1249
1250         for (offset = 0; offset < len; ++offset)
1251                 if (h->addr[offset] != 0)
1252                         printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
1253                                sym->start + offset, h->addr[offset]);
1254         printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
1255 }
1256
1257 int symbol__annotate_printf(struct symbol *sym, struct map *map,
1258                             struct perf_evsel *evsel, bool full_paths,
1259                             int min_pcnt, int max_lines, int context)
1260 {
1261         struct dso *dso = map->dso;
1262         char *filename;
1263         const char *d_filename;
1264         const char *evsel_name = perf_evsel__name(evsel);
1265         struct annotation *notes = symbol__annotation(sym);
1266         struct disasm_line *pos, *queue = NULL;
1267         u64 start = map__rip_2objdump(map, sym->start);
1268         int printed = 2, queue_len = 0;
1269         int more = 0;
1270         u64 len;
1271         int width = 8;
1272         int namelen, evsel_name_len, graph_dotted_len;
1273
1274         filename = strdup(dso->long_name);
1275         if (!filename)
1276                 return -ENOMEM;
1277
1278         if (full_paths)
1279                 d_filename = filename;
1280         else
1281                 d_filename = basename(filename);
1282
1283         len = symbol__size(sym);
1284         namelen = strlen(d_filename);
1285         evsel_name_len = strlen(evsel_name);
1286
1287         if (perf_evsel__is_group_event(evsel))
1288                 width *= evsel->nr_members;
1289
1290         printf(" %-*.*s|        Source code & Disassembly of %s for %s\n",
1291                width, width, "Percent", d_filename, evsel_name);
1292
1293         graph_dotted_len = width + namelen + evsel_name_len;
1294         printf("-%-*.*s-----------------------------------------\n",
1295                graph_dotted_len, graph_dotted_len, graph_dotted_line);
1296
1297         if (verbose)
1298                 symbol__annotate_hits(sym, evsel);
1299
1300         list_for_each_entry(pos, &notes->src->source, node) {
1301                 if (context && queue == NULL) {
1302                         queue = pos;
1303                         queue_len = 0;
1304                 }
1305
1306                 switch (disasm_line__print(pos, sym, start, evsel, len,
1307                                             min_pcnt, printed, max_lines,
1308                                             queue)) {
1309                 case 0:
1310                         ++printed;
1311                         if (context) {
1312                                 printed += queue_len;
1313                                 queue = NULL;
1314                                 queue_len = 0;
1315                         }
1316                         break;
1317                 case 1:
1318                         /* filtered by max_lines */
1319                         ++more;
1320                         break;
1321                 case -1:
1322                 default:
1323                         /*
1324                          * Filtered by min_pcnt or non IP lines when
1325                          * context != 0
1326                          */
1327                         if (!context)
1328                                 break;
1329                         if (queue_len == context)
1330                                 queue = list_entry(queue->node.next, typeof(*queue), node);
1331                         else
1332                                 ++queue_len;
1333                         break;
1334                 }
1335         }
1336
1337         free(filename);
1338
1339         return more;
1340 }
1341
1342 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
1343 {
1344         struct annotation *notes = symbol__annotation(sym);
1345         struct sym_hist *h = annotation__histogram(notes, evidx);
1346
1347         memset(h, 0, notes->src->sizeof_sym_hist);
1348 }
1349
1350 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
1351 {
1352         struct annotation *notes = symbol__annotation(sym);
1353         struct sym_hist *h = annotation__histogram(notes, evidx);
1354         int len = symbol__size(sym), offset;
1355
1356         h->sum = 0;
1357         for (offset = 0; offset < len; ++offset) {
1358                 h->addr[offset] = h->addr[offset] * 7 / 8;
1359                 h->sum += h->addr[offset];
1360         }
1361 }
1362
1363 void disasm__purge(struct list_head *head)
1364 {
1365         struct disasm_line *pos, *n;
1366
1367         list_for_each_entry_safe(pos, n, head, node) {
1368                 list_del(&pos->node);
1369                 disasm_line__free(pos);
1370         }
1371 }
1372
1373 static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
1374 {
1375         size_t printed;
1376
1377         if (dl->offset == -1)
1378                 return fprintf(fp, "%s\n", dl->line);
1379
1380         printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name);
1381
1382         if (dl->ops.raw[0] != '\0') {
1383                 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
1384                                    dl->ops.raw);
1385         }
1386
1387         return printed + fprintf(fp, "\n");
1388 }
1389
1390 size_t disasm__fprintf(struct list_head *head, FILE *fp)
1391 {
1392         struct disasm_line *pos;
1393         size_t printed = 0;
1394
1395         list_for_each_entry(pos, head, node)
1396                 printed += disasm_line__fprintf(pos, fp);
1397
1398         return printed;
1399 }
1400
1401 int symbol__tty_annotate(struct symbol *sym, struct map *map,
1402                          struct perf_evsel *evsel, bool print_lines,
1403                          bool full_paths, int min_pcnt, int max_lines)
1404 {
1405         struct dso *dso = map->dso;
1406         struct rb_root source_line = RB_ROOT;
1407         u64 len;
1408
1409         if (symbol__annotate(sym, map, 0) < 0)
1410                 return -1;
1411
1412         len = symbol__size(sym);
1413
1414         if (print_lines) {
1415                 symbol__get_source_line(sym, map, evsel, &source_line, len);
1416                 print_summary(&source_line, dso->long_name);
1417         }
1418
1419         symbol__annotate_printf(sym, map, evsel, full_paths,
1420                                 min_pcnt, max_lines, 0);
1421         if (print_lines)
1422                 symbol__free_source_line(sym, len);
1423
1424         disasm__purge(&symbol__annotation(sym)->src->source);
1425
1426         return 0;
1427 }
1428
1429 int hist_entry__annotate(struct hist_entry *he, size_t privsize)
1430 {
1431         return symbol__annotate(he->ms.sym, he->ms.map, privsize);
1432 }
1433
1434 bool ui__has_annotation(void)
1435 {
1436         return use_browser == 1 && sort__has_sym;
1437 }