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         free(name);
 181
 182         if (ops->locked.ins == NULL)
 183                 goto out_free_ops;
 184
 185         if (!ops->locked.ins->ops)
 186                 return 0;
 187
 188         if (ops->locked.ins->ops->parse &&
 189             ops->locked.ins->ops->parse(ops->locked.ops) < 0)
 190                 goto out_free_ops;
 191
 192         return 0;
 193
 194 out_free_ops:
 195         zfree(&ops->locked.ops);
 196         return 0;
 197 }
 198
 199 static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
 200                            struct ins_operands *ops)
 201 {
 202         int printed;
 203
 204         if (ops->locked.ins == NULL)
 205                 return ins__raw_scnprintf(ins, bf, size, ops);
 206
 207         printed = scnprintf(bf, size, "%-6.6s ", ins->name);
 208         return printed + ins__scnprintf(ops->locked.ins, bf + printed,
 209                                         size - printed, ops->locked.ops);
 210 }
 211
 212 static void lock__delete(struct ins_operands *ops)
 213 {
 214         struct ins *ins = ops->locked.ins;
 215
 216         if (ins && ins->ops->free)
 217                 ins->ops->free(ops->locked.ops);
 218         else
 219                 ins__delete(ops->locked.ops);
 220
 221         zfree(&ops->locked.ops);
 222         zfree(&ops->target.raw);
 223         zfree(&ops->target.name);
 224 }
 225
 226 static struct ins_ops lock_ops = {
 227         .free      = lock__delete,
 228         .parse     = lock__parse,
 229         .scnprintf = lock__scnprintf,
 230 };
 231
 232 static int mov__parse(struct ins_operands *ops)
 233 {
 234         char *s = strchr(ops->raw, ','), *target, *comment, prev;
 235
 236         if (s == NULL)
 237                 return -1;
 238
 239         *s = '\0';
 240         ops->source.raw = strdup(ops->raw);
 241         *s = ',';
 242
 243         if (ops->source.raw == NULL)
 244                 return -1;
 245
 246         target = ++s;
 247         comment = strchr(s, '#');
 248
 249         if (comment != NULL)
 250                 s = comment - 1;
 251         else
 252                 s = strchr(s, '\0') - 1;
 253
 254         while (s > target && isspace(s[0]))
 255                 --s;
 256         s++;
 257         prev = *s;
 258         *s = '\0';
 259
 260         ops->target.raw = strdup(target);
 261         *s = prev;
 262
 263         if (ops->target.raw == NULL)
 264                 goto out_free_source;
 265
 266         if (comment == NULL)
 267                 return 0;
 268
 269         while (comment[0] != '\0' && isspace(comment[0]))
 270                 ++comment;
 271
 272         comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name);
 273         comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
 274
 275         return 0;
 276
 277 out_free_source:
 278         zfree(&ops->source.raw);
 279         return -1;
 280 }
 281
 282 static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
 283                            struct ins_operands *ops)
 284 {
 285         return scnprintf(bf, size, "%-6.6s %s,%s", ins->name,
 286                          ops->source.name ?: ops->source.raw,
 287                          ops->target.name ?: ops->target.raw);
 288 }
 289
 290 static struct ins_ops mov_ops = {
 291         .parse     = mov__parse,
 292         .scnprintf = mov__scnprintf,
 293 };
 294
 295 static int dec__parse(struct ins_operands *ops)
 296 {
 297         char *target, *comment, *s, prev;
 298
 299         target = s = ops->raw;
 300
 301         while (s[0] != '\0' && !isspace(s[0]))
 302                 ++s;
 303         prev = *s;
 304         *s = '\0';
 305
 306         ops->target.raw = strdup(target);
 307         *s = prev;
 308
 309         if (ops->target.raw == NULL)
 310                 return -1;
 311
 312         comment = strchr(s, '#');
 313         if (comment == NULL)
 314                 return 0;
 315
 316         while (comment[0] != '\0' && isspace(comment[0]))
 317                 ++comment;
 318
 319         comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
 320
 321         return 0;
 322 }
 323
 324 static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
 325                            struct ins_operands *ops)
 326 {
 327         return scnprintf(bf, size, "%-6.6s %s", ins->name,
 328                          ops->target.name ?: ops->target.raw);
 329 }
 330
 331 static struct ins_ops dec_ops = {
 332         .parse     = dec__parse,
 333         .scnprintf = dec__scnprintf,
 334 };
 335
 336 static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
 337                           struct ins_operands *ops __maybe_unused)
 338 {
 339         return scnprintf(bf, size, "%-6.6s", "nop");
 340 }
 341
 342 static struct ins_ops nop_ops = {
 343         .scnprintf = nop__scnprintf,
 344 };
 345
 346 /*
 347  * Must be sorted by name!
 348  */
 349 static struct ins instructions[] = {
 350         { .name = "add",   .ops  = &mov_ops, },
 351         { .name = "addl",  .ops  = &mov_ops, },
 352         { .name = "addq",  .ops  = &mov_ops, },
 353         { .name = "addw",  .ops  = &mov_ops, },
 354         { .name = "and",   .ops  = &mov_ops, },
 355         { .name = "bts",   .ops  = &mov_ops, },
 356         { .name = "call",  .ops  = &call_ops, },
 357         { .name = "callq", .ops  = &call_ops, },
 358         { .name = "cmp",   .ops  = &mov_ops, },
 359         { .name = "cmpb",  .ops  = &mov_ops, },
 360         { .name = "cmpl",  .ops  = &mov_ops, },
 361         { .name = "cmpq",  .ops  = &mov_ops, },
 362         { .name = "cmpw",  .ops  = &mov_ops, },
 363         { .name = "cmpxch", .ops  = &mov_ops, },
 364         { .name = "dec",   .ops  = &dec_ops, },
 365         { .name = "decl",  .ops  = &dec_ops, },
 366         { .name = "imul",  .ops  = &mov_ops, },
 367         { .name = "inc",   .ops  = &dec_ops, },
 368         { .name = "incl",  .ops  = &dec_ops, },
 369         { .name = "ja",    .ops  = &jump_ops, },
 370         { .name = "jae",   .ops  = &jump_ops, },
 371         { .name = "jb",    .ops  = &jump_ops, },
 372         { .name = "jbe",   .ops  = &jump_ops, },
 373         { .name = "jc",    .ops  = &jump_ops, },
 374         { .name = "jcxz",  .ops  = &jump_ops, },
 375         { .name = "je",    .ops  = &jump_ops, },
 376         { .name = "jecxz", .ops  = &jump_ops, },
 377         { .name = "jg",    .ops  = &jump_ops, },
 378         { .name = "jge",   .ops  = &jump_ops, },
 379         { .name = "jl",    .ops  = &jump_ops, },
 380         { .name = "jle",   .ops  = &jump_ops, },
 381         { .name = "jmp",   .ops  = &jump_ops, },
 382         { .name = "jmpq",  .ops  = &jump_ops, },
 383         { .name = "jna",   .ops  = &jump_ops, },
 384         { .name = "jnae",  .ops  = &jump_ops, },
 385         { .name = "jnb",   .ops  = &jump_ops, },
 386         { .name = "jnbe",  .ops  = &jump_ops, },
 387         { .name = "jnc",   .ops  = &jump_ops, },
 388         { .name = "jne",   .ops  = &jump_ops, },
 389         { .name = "jng",   .ops  = &jump_ops, },
 390         { .name = "jnge",  .ops  = &jump_ops, },
 391         { .name = "jnl",   .ops  = &jump_ops, },
 392         { .name = "jnle",  .ops  = &jump_ops, },
 393         { .name = "jno",   .ops  = &jump_ops, },
 394         { .name = "jnp",   .ops  = &jump_ops, },
 395         { .name = "jns",   .ops  = &jump_ops, },
 396         { .name = "jnz",   .ops  = &jump_ops, },
 397         { .name = "jo",    .ops  = &jump_ops, },
 398         { .name = "jp",    .ops  = &jump_ops, },
 399         { .name = "jpe",   .ops  = &jump_ops, },
 400         { .name = "jpo",   .ops  = &jump_ops, },
 401         { .name = "jrcxz", .ops  = &jump_ops, },
 402         { .name = "js",    .ops  = &jump_ops, },
 403         { .name = "jz",    .ops  = &jump_ops, },
 404         { .name = "lea",   .ops  = &mov_ops, },
 405         { .name = "lock",  .ops  = &lock_ops, },
 406         { .name = "mov",   .ops  = &mov_ops, },
 407         { .name = "movb",  .ops  = &mov_ops, },
 408         { .name = "movdqa",.ops  = &mov_ops, },
 409         { .name = "movl",  .ops  = &mov_ops, },
 410         { .name = "movq",  .ops  = &mov_ops, },
 411         { .name = "movslq", .ops  = &mov_ops, },
 412         { .name = "movzbl", .ops  = &mov_ops, },
 413         { .name = "movzwl", .ops  = &mov_ops, },
 414         { .name = "nop",   .ops  = &nop_ops, },
 415         { .name = "nopl",  .ops  = &nop_ops, },
 416         { .name = "nopw",  .ops  = &nop_ops, },
 417         { .name = "or",    .ops  = &mov_ops, },
 418         { .name = "orl",   .ops  = &mov_ops, },
 419         { .name = "test",  .ops  = &mov_ops, },
 420         { .name = "testb", .ops  = &mov_ops, },
 421         { .name = "testl", .ops  = &mov_ops, },
 422         { .name = "xadd",  .ops  = &mov_ops, },
 423         { .name = "xbeginl", .ops  = &jump_ops, },
 424         { .name = "xbeginq", .ops  = &jump_ops, },
 425 };
 426
 427 static int ins__cmp(const void *name, const void *insp)
 428 {
 429         const struct ins *ins = insp;
 430
 431         return strcmp(name, ins->name);
 432 }
 433
 434 static struct ins *ins__find(const char *name)
 435 {
 436         const int nmemb = ARRAY_SIZE(instructions);
 437
 438         return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
 439 }
 440
 441 int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym)
 442 {
 443         struct annotation *notes = symbol__annotation(sym);
 444         pthread_mutex_init(&notes->lock, NULL);
 445         return 0;
 446 }
 447
 448 int symbol__alloc_hist(struct symbol *sym)
 449 {
 450         struct annotation *notes = symbol__annotation(sym);
 451         const size_t size = symbol__size(sym);
 452         size_t sizeof_sym_hist;
 453
 454         /* Check for overflow when calculating sizeof_sym_hist */
 455         if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64))
 456                 return -1;
 457
 458         sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64));
 459
 460         /* Check for overflow in zalloc argument */
 461         if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src))
 462                                 / symbol_conf.nr_events)
 463                 return -1;
 464
 465         notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
 466         if (notes->src == NULL)
 467                 return -1;
 468         notes->src->sizeof_sym_hist = sizeof_sym_hist;
 469         notes->src->nr_histograms   = symbol_conf.nr_events;
 470         INIT_LIST_HEAD(&notes->src->source);
 471         return 0;
 472 }
 473
 474 void symbol__annotate_zero_histograms(struct symbol *sym)
 475 {
 476         struct annotation *notes = symbol__annotation(sym);
 477
 478         pthread_mutex_lock(&notes->lock);
 479         if (notes->src != NULL)
 480                 memset(notes->src->histograms, 0,
 481                        notes->src->nr_histograms * notes->src->sizeof_sym_hist);
 482         pthread_mutex_unlock(&notes->lock);
 483 }
 484
 485 static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
 486                                       struct annotation *notes, int evidx, u64 addr)
 487 {
 488         unsigned offset;
 489         struct sym_hist *h;
 490
 491         pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
 492
 493         if (addr < sym->start || addr >= sym->end)
 494                 return -ERANGE;
 495
 496         offset = addr - sym->start;
 497         h = annotation__histogram(notes, evidx);
 498         h->sum++;
 499         h->addr[offset]++;
 500
 501         pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
 502                   ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name,
 503                   addr, addr - sym->start, evidx, h->addr[offset]);
 504         return 0;
 505 }
 506
 507 static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
 508                                     int evidx, u64 addr)
 509 {
 510         struct annotation *notes;
 511
 512         if (sym == NULL)
 513                 return 0;
 514
 515         notes = symbol__annotation(sym);
 516         if (notes->src == NULL) {
 517                 if (symbol__alloc_hist(sym) < 0)
 518                         return -ENOMEM;
 519         }
 520
 521         return __symbol__inc_addr_samples(sym, map, notes, evidx, addr);
 522 }
 523
 524 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx)
 525 {
 526         return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr);
 527 }
 528
 529 int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
 530 {
 531         return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
 532 }
 533
 534 static void disasm_line__init_ins(struct disasm_line *dl)
 535 {
 536         dl->ins = ins__find(dl->name);
 537
 538         if (dl->ins == NULL)
 539                 return;
 540
 541         if (!dl->ins->ops)
 542                 return;
 543
 544         if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0)
 545                 dl->ins = NULL;
 546 }
 547
 548 static int disasm_line__parse(char *line, char **namep, char **rawp)
 549 {
 550         char *name = line, tmp;
 551
 552         while (isspace(name[0]))
 553                 ++name;
 554
 555         if (name[0] == '\0')
 556                 return -1;
 557
 558         *rawp = name + 1;
 559
 560         while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
 561                 ++*rawp;
 562
 563         tmp = (*rawp)[0];
 564         (*rawp)[0] = '\0';
 565         *namep = strdup(name);
 566
 567         if (*namep == NULL)
 568                 goto out_free_name;
 569
 570         (*rawp)[0] = tmp;
 571
 572         if ((*rawp)[0] != '\0') {
 573                 (*rawp)++;
 574                 while (isspace((*rawp)[0]))
 575                         ++(*rawp);
 576         }
 577
 578         return 0;
 579
 580 out_free_name:
 581         zfree(namep);
 582         return -1;
 583 }
 584
 585 static struct disasm_line *disasm_line__new(s64 offset, char *line,
 586                                         size_t privsize, int line_nr)
 587 {
 588         struct disasm_line *dl = zalloc(sizeof(*dl) + privsize);
 589
 590         if (dl != NULL) {
 591                 dl->offset = offset;
 592                 dl->line = strdup(line);
 593                 dl->line_nr = line_nr;
 594                 if (dl->line == NULL)
 595                         goto out_delete;
 596
 597                 if (offset != -1) {
 598                         if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0)
 599                                 goto out_free_line;
 600
 601                         disasm_line__init_ins(dl);
 602                 }
 603         }
 604
 605         return dl;
 606
 607 out_free_line:
 608         zfree(&dl->line);
 609 out_delete:
 610         free(dl);
 611         return NULL;
 612 }
 613
 614 void disasm_line__free(struct disasm_line *dl)
 615 {
 616         zfree(&dl->line);
 617         zfree(&dl->name);
 618         if (dl->ins && dl->ins->ops->free)
 619                 dl->ins->ops->free(&dl->ops);
 620         else
 621                 ins__delete(&dl->ops);
 622         free(dl);
 623 }
 624
 625 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw)
 626 {
 627         if (raw || !dl->ins)
 628                 return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw);
 629
 630         return ins__scnprintf(dl->ins, bf, size, &dl->ops);
 631 }
 632
 633 static void disasm__add(struct list_head *head, struct disasm_line *line)
 634 {
 635         list_add_tail(&line->node, head);
 636 }
 637
 638 struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos)
 639 {
 640         list_for_each_entry_continue(pos, head, node)
 641                 if (pos->offset >= 0)
 642                         return pos;
 643
 644         return NULL;
 645 }
 646
 647 double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
 648                             s64 end, const char **path)
 649 {
 650         struct source_line *src_line = notes->src->lines;
 651         double percent = 0.0;
 652
 653         if (src_line) {
 654                 size_t sizeof_src_line = sizeof(*src_line) +
 655                                 sizeof(src_line->p) * (src_line->nr_pcnt - 1);
 656
 657                 while (offset < end) {
 658                         src_line = (void *)notes->src->lines +
 659                                         (sizeof_src_line * offset);
 660
 661                         if (*path == NULL)
 662                                 *path = src_line->path;
 663
 664                         percent += src_line->p[evidx].percent;
 665                         offset++;
 666                 }
 667         } else {
 668                 struct sym_hist *h = annotation__histogram(notes, evidx);
 669                 unsigned int hits = 0;
 670
 671                 while (offset < end)
 672                         hits += h->addr[offset++];
 673
 674                 if (h->sum)
 675                         percent = 100.0 * hits / h->sum;
 676         }
 677
 678         return percent;
 679 }
 680
 681 static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start,
 682                       struct perf_evsel *evsel, u64 len, int min_pcnt, int printed,
 683                       int max_lines, struct disasm_line *queue)
 684 {
 685         static const char *prev_line;
 686         static const char *prev_color;
 687
 688         if (dl->offset != -1) {
 689                 const char *path = NULL;
 690                 double percent, max_percent = 0.0;
 691                 double *ppercents = &percent;
 692                 int i, nr_percent = 1;
 693                 const char *color;
 694                 struct annotation *notes = symbol__annotation(sym);
 695                 s64 offset = dl->offset;
 696                 const u64 addr = start + offset;
 697                 struct disasm_line *next;
 698
 699                 next = disasm__get_next_ip_line(&notes->src->source, dl);
 700
 701                 if (perf_evsel__is_group_event(evsel)) {
 702                         nr_percent = evsel->nr_members;
 703                         ppercents = calloc(nr_percent, sizeof(double));
 704                         if (ppercents == NULL)
 705                                 return -1;
 706                 }
 707
 708                 for (i = 0; i < nr_percent; i++) {
 709                         percent = disasm__calc_percent(notes,
 710                                         notes->src->lines ? i : evsel->idx + i,
 711                                         offset,
 712                                         next ? next->offset : (s64) len,
 713                                         &path);
 714
 715                         ppercents[i] = percent;
 716                         if (percent > max_percent)
 717                                 max_percent = percent;
 718                 }
 719
 720                 if (max_percent < min_pcnt)
 721                         return -1;
 722
 723                 if (max_lines && printed >= max_lines)
 724                         return 1;
 725
 726                 if (queue != NULL) {
 727                         list_for_each_entry_from(queue, &notes->src->source, node) {
 728                                 if (queue == dl)
 729                                         break;
 730                                 disasm_line__print(queue, sym, start, evsel, len,
 731                                                     0, 0, 1, NULL);
 732                         }
 733                 }
 734
 735                 color = get_percent_color(max_percent);
 736
 737                 /*
 738                  * Also color the filename and line if needed, with
 739                  * the same color than the percentage. Don't print it
 740                  * twice for close colored addr with the same filename:line
 741                  */
 742                 if (path) {
 743                         if (!prev_line || strcmp(prev_line, path)
 744                                        || color != prev_color) {
 745                                 color_fprintf(stdout, color, " %s", path);
 746                                 prev_line = path;
 747                                 prev_color = color;
 748                         }
 749                 }
 750
 751                 for (i = 0; i < nr_percent; i++) {
 752                         percent = ppercents[i];
 753                         color = get_percent_color(percent);
 754                         color_fprintf(stdout, color, " %7.2f", percent);
 755                 }
 756
 757                 printf(" :      ");
 758                 color_fprintf(stdout, PERF_COLOR_MAGENTA, "  %" PRIx64 ":", addr);
 759                 color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
 760
 761                 if (ppercents != &percent)
 762                         free(ppercents);
 763
 764         } else if (max_lines && printed >= max_lines)
 765                 return 1;
 766         else {
 767                 int width = 8;
 768
 769                 if (queue)
 770                         return -1;
 771
 772                 if (perf_evsel__is_group_event(evsel))
 773                         width *= evsel->nr_members;
 774
 775                 if (!*dl->line)
 776                         printf(" %*s:\n", width, " ");
 777                 else
 778                         printf(" %*s:   %s\n", width, " ", dl->line);
 779         }
 780
 781         return 0;
 782 }
 783
 784 /*
 785  * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
 786  * which looks like following
 787  *
 788  *  0000000000415500 <_init>:
 789  *    415500:       sub    $0x8,%rsp
 790  *    415504:       mov    0x2f5ad5(%rip),%rax        # 70afe0 <_DYNAMIC+0x2f8>
 791  *    41550b:       test   %rax,%rax
 792  *    41550e:       je     415515 <_init+0x15>
 793  *    415510:       callq  416e70 <__gmon_start__@plt>
 794  *    415515:       add    $0x8,%rsp
 795  *    415519:       retq
 796  *
 797  * it will be parsed and saved into struct disasm_line as
 798  *  <offset>       <name>  <ops.raw>
 799  *
 800  * The offset will be a relative offset from the start of the symbol and -1
 801  * means that it's not a disassembly line so should be treated differently.
 802  * The ops.raw part will be parsed further according to type of the instruction.
 803  */
 804 static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
 805                                       FILE *file, size_t privsize,
 806                                       int *line_nr)
 807 {
 808         struct annotation *notes = symbol__annotation(sym);
 809         struct disasm_line *dl;
 810         char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
 811         size_t line_len;
 812         s64 line_ip, offset = -1;
 813         regmatch_t match[2];
 814
 815         if (getline(&line, &line_len, file) < 0)
 816                 return -1;
 817
 818         if (!line)
 819                 return -1;
 820
 821         while (line_len != 0 && isspace(line[line_len - 1]))
 822                 line[--line_len] = '\0';
 823
 824         c = strchr(line, '\n');
 825         if (c)
 826                 *c = 0;
 827
 828         line_ip = -1;
 829         parsed_line = line;
 830
 831         /* /filename:linenr ? Save line number and ignore. */
 832         if (regexec(&file_lineno, line, 2, match, 0) == 0) {
 833                 *line_nr = atoi(line + match[1].rm_so);
 834                 return 0;
 835         }
 836
 837         /*
 838          * Strip leading spaces:
 839          */
 840         tmp = line;
 841         while (*tmp) {
 842                 if (*tmp != ' ')
 843                         break;
 844                 tmp++;
 845         }
 846
 847         if (*tmp) {
 848                 /*
 849                  * Parse hexa addresses followed by ':'
 850                  */
 851                 line_ip = strtoull(tmp, &tmp2, 16);
 852                 if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
 853                         line_ip = -1;
 854         }
 855
 856         if (line_ip != -1) {
 857                 u64 start = map__rip_2objdump(map, sym->start),
 858                     end = map__rip_2objdump(map, sym->end);
 859
 860                 offset = line_ip - start;
 861                 if ((u64)line_ip < start || (u64)line_ip >= end)
 862                         offset = -1;
 863                 else
 864                         parsed_line = tmp2 + 1;
 865         }
 866
 867         dl = disasm_line__new(offset, parsed_line, privsize, *line_nr);
 868         free(line);
 869         (*line_nr)++;
 870
 871         if (dl == NULL)
 872                 return -1;
 873
 874         if (dl->ops.target.offset == UINT64_MAX)
 875                 dl->ops.target.offset = dl->ops.target.addr -
 876                                         map__rip_2objdump(map, sym->start);
 877
 878         /* kcore has no symbols, so add the call target name */
 879         if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) {
 880                 struct addr_map_symbol target = {
 881                         .map = map,
 882                         .addr = dl->ops.target.addr,
 883                 };
 884
 885                 if (!map_groups__find_ams(&target, NULL) &&
 886                     target.sym->start == target.al_addr)
 887                         dl->ops.target.name = strdup(target.sym->name);
 888         }
 889
 890         disasm__add(&notes->src->source, dl);
 891
 892         return 0;
 893 }
 894
 895 static __attribute__((constructor)) void symbol__init_regexpr(void)
 896 {
 897         regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
 898 }
 899
 900 static void delete_last_nop(struct symbol *sym)
 901 {
 902         struct annotation *notes = symbol__annotation(sym);
 903         struct list_head *list = &notes->src->source;
 904         struct disasm_line *dl;
 905
 906         while (!list_empty(list)) {
 907                 dl = list_entry(list->prev, struct disasm_line, node);
 908
 909                 if (dl->ins && dl->ins->ops) {
 910                         if (dl->ins->ops != &nop_ops)
 911                                 return;
 912                 } else {
 913                         if (!strstr(dl->line, " nop ") &&
 914                             !strstr(dl->line, " nopl ") &&
 915                             !strstr(dl->line, " nopw "))
 916                                 return;
 917                 }
 918
 919                 list_del(&dl->node);
 920                 disasm_line__free(dl);
 921         }
 922 }
 923
 924 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
 925 {
 926         struct dso *dso = map->dso;
 927         char *filename = dso__build_id_filename(dso, NULL, 0);
 928         bool free_filename = true;
 929         char command[PATH_MAX * 2];
 930         FILE *file;
 931         int err = 0;
 932         char symfs_filename[PATH_MAX];
 933         struct kcore_extract kce;
 934         bool delete_extract = false;
 935         int lineno = 0;
 936
 937         if (filename)
 938                 symbol__join_symfs(symfs_filename, filename);
 939
 940         if (filename == NULL) {
 941                 if (dso->has_build_id) {
 942                         pr_err("Can't annotate %s: not enough memory\n",
 943                                sym->name);
 944                         return -ENOMEM;
 945                 }
 946                 goto fallback;
 947         } else if (dso__is_kcore(dso)) {
 948                 goto fallback;
 949         } else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
 950                    strstr(command, "[kernel.kallsyms]") ||
 951                    access(symfs_filename, R_OK)) {
 952                 free(filename);
 953 fallback:
 954                 /*
 955                  * If we don't have build-ids or the build-id file isn't in the
 956                  * cache, or is just a kallsyms file, well, lets hope that this
 957                  * DSO is the same as when 'perf record' ran.
 958                  */
 959                 filename = (char *)dso->long_name;
 960                 symbol__join_symfs(symfs_filename, filename);
 961                 free_filename = false;
 962         }
 963
 964         if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
 965             !dso__is_kcore(dso)) {
 966                 char bf[BUILD_ID_SIZE * 2 + 16] = " with build id ";
 967                 char *build_id_msg = NULL;
 968
 969                 if (dso->annotate_warned)
 970                         goto out_free_filename;
 971
 972                 if (dso->has_build_id) {
 973                         build_id__sprintf(dso->build_id,
 974                                           sizeof(dso->build_id), bf + 15);
 975                         build_id_msg = bf;
 976                 }
 977                 err = -ENOENT;
 978                 dso->annotate_warned = 1;
 979                 pr_err("Can't annotate %s:\n\n"
 980                        "No vmlinux file%s\nwas found in the path.\n\n"
 981                        "Please use:\n\n"
 982                        "  perf buildid-cache -vu vmlinux\n\n"
 983                        "or:\n\n"
 984                        "  --vmlinux vmlinux\n",
 985                        sym->name, build_id_msg ?: "");
 986                 goto out_free_filename;
 987         }
 988
 989         pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
 990                  filename, sym->name, map->unmap_ip(map, sym->start),
 991                  map->unmap_ip(map, sym->end));
 992
 993         pr_debug("annotating [%p] %30s : [%p] %30s\n",
 994                  dso, dso->long_name, sym, sym->name);
 995
 996         if (dso__is_kcore(dso)) {
 997                 kce.kcore_filename = symfs_filename;
 998                 kce.addr = map__rip_2objdump(map, sym->start);
 999                 kce.offs = sym->start;
1000                 kce.len = sym->end - sym->start;
1001                 if (!kcore_extract__create(&kce)) {
1002                         delete_extract = true;
1003                         strlcpy(symfs_filename, kce.extract_filename,
1004                                 sizeof(symfs_filename));
1005                         if (free_filename) {
1006                                 free(filename);
1007                                 free_filename = false;
1008                         }
1009                         filename = symfs_filename;
1010                 }
1011         }
1012
1013         snprintf(command, sizeof(command),
1014                  "%s %s%s --start-address=0x%016" PRIx64
1015                  " --stop-address=0x%016" PRIx64
1016                  " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand",
1017                  objdump_path ? objdump_path : "objdump",
1018                  disassembler_style ? "-M " : "",
1019                  disassembler_style ? disassembler_style : "",
1020                  map__rip_2objdump(map, sym->start),
1021                  map__rip_2objdump(map, sym->end),
1022                  symbol_conf.annotate_asm_raw ? "" : "--no-show-raw",
1023                  symbol_conf.annotate_src ? "-S" : "",
1024                  symfs_filename, filename);
1025
1026         pr_debug("Executing: %s\n", command);
1027
1028         file = popen(command, "r");
1029         if (!file)
1030                 goto out_free_filename;
1031
1032         while (!feof(file))
1033                 if (symbol__parse_objdump_line(sym, map, file, privsize,
1034                             &lineno) < 0)
1035                         break;
1036
1037         /*
1038          * kallsyms does not have symbol sizes so there may a nop at the end.
1039          * Remove it.
1040          */
1041         if (dso__is_kcore(dso))
1042                 delete_last_nop(sym);
1043
1044         pclose(file);
1045 out_free_filename:
1046         if (delete_extract)
1047                 kcore_extract__delete(&kce);
1048         if (free_filename)
1049                 free(filename);
1050         return err;
1051 }
1052
1053 static void insert_source_line(struct rb_root *root, struct source_line *src_line)
1054 {
1055         struct source_line *iter;
1056         struct rb_node **p = &root->rb_node;
1057         struct rb_node *parent = NULL;
1058         int i, ret;
1059
1060         while (*p != NULL) {
1061                 parent = *p;
1062                 iter = rb_entry(parent, struct source_line, node);
1063
1064                 ret = strcmp(iter->path, src_line->path);
1065                 if (ret == 0) {
1066                         for (i = 0; i < src_line->nr_pcnt; i++)
1067                                 iter->p[i].percent_sum += src_line->p[i].percent;
1068                         return;
1069                 }
1070
1071                 if (ret < 0)
1072                         p = &(*p)->rb_left;
1073                 else
1074                         p = &(*p)->rb_right;
1075         }
1076
1077         for (i = 0; i < src_line->nr_pcnt; i++)
1078                 src_line->p[i].percent_sum = src_line->p[i].percent;
1079
1080         rb_link_node(&src_line->node, parent, p);
1081         rb_insert_color(&src_line->node, root);
1082 }
1083
1084 static int cmp_source_line(struct source_line *a, struct source_line *b)
1085 {
1086         int i;
1087
1088         for (i = 0; i < a->nr_pcnt; i++) {
1089                 if (a->p[i].percent_sum == b->p[i].percent_sum)
1090                         continue;
1091                 return a->p[i].percent_sum > b->p[i].percent_sum;
1092         }
1093
1094         return 0;
1095 }
1096
1097 static void __resort_source_line(struct rb_root *root, struct source_line *src_line)
1098 {
1099         struct source_line *iter;
1100         struct rb_node **p = &root->rb_node;
1101         struct rb_node *parent = NULL;
1102
1103         while (*p != NULL) {
1104                 parent = *p;
1105                 iter = rb_entry(parent, struct source_line, node);
1106
1107                 if (cmp_source_line(src_line, iter))
1108                         p = &(*p)->rb_left;
1109                 else
1110                         p = &(*p)->rb_right;
1111         }
1112
1113         rb_link_node(&src_line->node, parent, p);
1114         rb_insert_color(&src_line->node, root);
1115 }
1116
1117 static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
1118 {
1119         struct source_line *src_line;
1120         struct rb_node *node;
1121
1122         node = rb_first(src_root);
1123         while (node) {
1124                 struct rb_node *next;
1125
1126                 src_line = rb_entry(node, struct source_line, node);
1127                 next = rb_next(node);
1128                 rb_erase(node, src_root);
1129
1130                 __resort_source_line(dest_root, src_line);
1131                 node = next;
1132         }
1133 }
1134
1135 static void symbol__free_source_line(struct symbol *sym, int len)
1136 {
1137         struct annotation *notes = symbol__annotation(sym);
1138         struct source_line *src_line = notes->src->lines;
1139         size_t sizeof_src_line;
1140         int i;
1141
1142         sizeof_src_line = sizeof(*src_line) +
1143                           (sizeof(src_line->p) * (src_line->nr_pcnt - 1));
1144
1145         for (i = 0; i < len; i++) {
1146                 free_srcline(src_line->path);
1147                 src_line = (void *)src_line + sizeof_src_line;
1148         }
1149
1150         zfree(&notes->src->lines);
1151 }
1152
1153 /* Get the filename:line for the colored entries */
1154 static int symbol__get_source_line(struct symbol *sym, struct map *map,
1155                                    struct perf_evsel *evsel,
1156                                    struct rb_root *root, int len)
1157 {
1158         u64 start;
1159         int i, k;
1160         int evidx = evsel->idx;
1161         struct source_line *src_line;
1162         struct annotation *notes = symbol__annotation(sym);
1163         struct sym_hist *h = annotation__histogram(notes, evidx);
1164         struct rb_root tmp_root = RB_ROOT;
1165         int nr_pcnt = 1;
1166         u64 h_sum = h->sum;
1167         size_t sizeof_src_line = sizeof(struct source_line);
1168
1169         if (perf_evsel__is_group_event(evsel)) {
1170                 for (i = 1; i < evsel->nr_members; i++) {
1171                         h = annotation__histogram(notes, evidx + i);
1172                         h_sum += h->sum;
1173                 }
1174                 nr_pcnt = evsel->nr_members;
1175                 sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->p);
1176         }
1177
1178         if (!h_sum)
1179                 return 0;
1180
1181         src_line = notes->src->lines = calloc(len, sizeof_src_line);
1182         if (!notes->src->lines)
1183                 return -1;
1184
1185         start = map__rip_2objdump(map, sym->start);
1186
1187         for (i = 0; i < len; i++) {
1188                 u64 offset;
1189                 double percent_max = 0.0;
1190
1191                 src_line->nr_pcnt = nr_pcnt;
1192
1193                 for (k = 0; k < nr_pcnt; k++) {
1194                         h = annotation__histogram(notes, evidx + k);
1195                         src_line->p[k].percent = 100.0 * h->addr[i] / h->sum;
1196
1197                         if (src_line->p[k].percent > percent_max)
1198                                 percent_max = src_line->p[k].percent;
1199                 }
1200
1201                 if (percent_max <= 0.5)
1202                         goto next;
1203
1204                 offset = start + i;
1205                 src_line->path = get_srcline(map->dso, offset, NULL, false);
1206                 insert_source_line(&tmp_root, src_line);
1207
1208         next:
1209                 src_line = (void *)src_line + sizeof_src_line;
1210         }
1211
1212         resort_source_line(root, &tmp_root);
1213         return 0;
1214 }
1215
1216 static void print_summary(struct rb_root *root, const char *filename)
1217 {
1218         struct source_line *src_line;
1219         struct rb_node *node;
1220
1221         printf("\nSorted summary for file %s\n", filename);
1222         printf("----------------------------------------------\n\n");
1223
1224         if (RB_EMPTY_ROOT(root)) {
1225                 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
1226                 return;
1227         }
1228
1229         node = rb_first(root);
1230         while (node) {
1231                 double percent, percent_max = 0.0;
1232                 const char *color;
1233                 char *path;
1234                 int i;
1235
1236                 src_line = rb_entry(node, struct source_line, node);
1237                 for (i = 0; i < src_line->nr_pcnt; i++) {
1238                         percent = src_line->p[i].percent_sum;
1239                         color = get_percent_color(percent);
1240                         color_fprintf(stdout, color, " %7.2f", percent);
1241
1242                         if (percent > percent_max)
1243                                 percent_max = percent;
1244                 }
1245
1246                 path = src_line->path;
1247                 color = get_percent_color(percent_max);
1248                 color_fprintf(stdout, color, " %s\n", path);
1249
1250                 node = rb_next(node);
1251         }
1252 }
1253
1254 static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
1255 {
1256         struct annotation *notes = symbol__annotation(sym);
1257         struct sym_hist *h = annotation__histogram(notes, evsel->idx);
1258         u64 len = symbol__size(sym), offset;
1259
1260         for (offset = 0; offset < len; ++offset)
1261                 if (h->addr[offset] != 0)
1262                         printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
1263                                sym->start + offset, h->addr[offset]);
1264         printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
1265 }
1266
1267 int symbol__annotate_printf(struct symbol *sym, struct map *map,
1268                             struct perf_evsel *evsel, bool full_paths,
1269                             int min_pcnt, int max_lines, int context)
1270 {
1271         struct dso *dso = map->dso;
1272         char *filename;
1273         const char *d_filename;
1274         const char *evsel_name = perf_evsel__name(evsel);
1275         struct annotation *notes = symbol__annotation(sym);
1276         struct disasm_line *pos, *queue = NULL;
1277         u64 start = map__rip_2objdump(map, sym->start);
1278         int printed = 2, queue_len = 0;
1279         int more = 0;
1280         u64 len;
1281         int width = 8;
1282         int namelen, evsel_name_len, graph_dotted_len;
1283
1284         filename = strdup(dso->long_name);
1285         if (!filename)
1286                 return -ENOMEM;
1287
1288         if (full_paths)
1289                 d_filename = filename;
1290         else
1291                 d_filename = basename(filename);
1292
1293         len = symbol__size(sym);
1294         namelen = strlen(d_filename);
1295         evsel_name_len = strlen(evsel_name);
1296
1297         if (perf_evsel__is_group_event(evsel))
1298                 width *= evsel->nr_members;
1299
1300         printf(" %-*.*s|        Source code & Disassembly of %s for %s\n",
1301                width, width, "Percent", d_filename, evsel_name);
1302
1303         graph_dotted_len = width + namelen + evsel_name_len;
1304         printf("-%-*.*s-----------------------------------------\n",
1305                graph_dotted_len, graph_dotted_len, graph_dotted_line);
1306
1307         if (verbose)
1308                 symbol__annotate_hits(sym, evsel);
1309
1310         list_for_each_entry(pos, &notes->src->source, node) {
1311                 if (context && queue == NULL) {
1312                         queue = pos;
1313                         queue_len = 0;
1314                 }
1315
1316                 switch (disasm_line__print(pos, sym, start, evsel, len,
1317                                             min_pcnt, printed, max_lines,
1318                                             queue)) {
1319                 case 0:
1320                         ++printed;
1321                         if (context) {
1322                                 printed += queue_len;
1323                                 queue = NULL;
1324                                 queue_len = 0;
1325                         }
1326                         break;
1327                 case 1:
1328                         /* filtered by max_lines */
1329                         ++more;
1330                         break;
1331                 case -1:
1332                 default:
1333                         /*
1334                          * Filtered by min_pcnt or non IP lines when
1335                          * context != 0
1336                          */
1337                         if (!context)
1338                                 break;
1339                         if (queue_len == context)
1340                                 queue = list_entry(queue->node.next, typeof(*queue), node);
1341                         else
1342                                 ++queue_len;
1343                         break;
1344                 }
1345         }
1346
1347         free(filename);
1348
1349         return more;
1350 }
1351
1352 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
1353 {
1354         struct annotation *notes = symbol__annotation(sym);
1355         struct sym_hist *h = annotation__histogram(notes, evidx);
1356
1357         memset(h, 0, notes->src->sizeof_sym_hist);
1358 }
1359
1360 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
1361 {
1362         struct annotation *notes = symbol__annotation(sym);
1363         struct sym_hist *h = annotation__histogram(notes, evidx);
1364         int len = symbol__size(sym), offset;
1365
1366         h->sum = 0;
1367         for (offset = 0; offset < len; ++offset) {
1368                 h->addr[offset] = h->addr[offset] * 7 / 8;
1369                 h->sum += h->addr[offset];
1370         }
1371 }
1372
1373 void disasm__purge(struct list_head *head)
1374 {
1375         struct disasm_line *pos, *n;
1376
1377         list_for_each_entry_safe(pos, n, head, node) {
1378                 list_del(&pos->node);
1379                 disasm_line__free(pos);
1380         }
1381 }
1382
1383 static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
1384 {
1385         size_t printed;
1386
1387         if (dl->offset == -1)
1388                 return fprintf(fp, "%s\n", dl->line);
1389
1390         printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name);
1391
1392         if (dl->ops.raw[0] != '\0') {
1393                 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
1394                                    dl->ops.raw);
1395         }
1396
1397         return printed + fprintf(fp, "\n");
1398 }
1399
1400 size_t disasm__fprintf(struct list_head *head, FILE *fp)
1401 {
1402         struct disasm_line *pos;
1403         size_t printed = 0;
1404
1405         list_for_each_entry(pos, head, node)
1406                 printed += disasm_line__fprintf(pos, fp);
1407
1408         return printed;
1409 }
1410
1411 int symbol__tty_annotate(struct symbol *sym, struct map *map,
1412                          struct perf_evsel *evsel, bool print_lines,
1413                          bool full_paths, int min_pcnt, int max_lines)
1414 {
1415         struct dso *dso = map->dso;
1416         struct rb_root source_line = RB_ROOT;
1417         u64 len;
1418
1419         if (symbol__annotate(sym, map, 0) < 0)
1420                 return -1;
1421
1422         len = symbol__size(sym);
1423
1424         if (print_lines) {
1425                 symbol__get_source_line(sym, map, evsel, &source_line, len);
1426                 print_summary(&source_line, dso->long_name);
1427         }
1428
1429         symbol__annotate_printf(sym, map, evsel, full_paths,
1430                                 min_pcnt, max_lines, 0);
1431         if (print_lines)
1432                 symbol__free_source_line(sym, len);
1433
1434         disasm__purge(&symbol__annotation(sym)->src->source);
1435
1436         return 0;
1437 }
1438
1439 int hist_entry__annotate(struct hist_entry *he, size_t privsize)
1440 {
1441         return symbol__annotate(he->ms.sym, he->ms.map, privsize);
1442 }
1443
1444 bool ui__has_annotation(void)
1445 {
1446         return use_browser == 1 && sort__has_sym;
1447 }