2 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
4 * Parts came from builtin-annotate.c, see those files for further
7 * Released under the GPL v2. (and only v2, not any later version)
22 #include <linux/bitops.h>
24 const char *disassembler_style;
25 const char *objdump_path;
26 static regex_t file_lineno;
28 static struct ins *ins__find(const char *name);
29 static int disasm_line__parse(char *line, char **namep, char **rawp);
31 static void ins__delete(struct ins_operands *ops)
33 zfree(&ops->source.raw);
34 zfree(&ops->source.name);
35 zfree(&ops->target.raw);
36 zfree(&ops->target.name);
39 static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
40 struct ins_operands *ops)
42 return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw);
45 int ins__scnprintf(struct ins *ins, char *bf, size_t size,
46 struct ins_operands *ops)
48 if (ins->ops->scnprintf)
49 return ins->ops->scnprintf(ins, bf, size, ops);
51 return ins__raw_scnprintf(ins, bf, size, ops);
54 static int call__parse(struct ins_operands *ops)
56 char *endptr, *tok, *name;
58 ops->target.addr = strtoull(ops->raw, &endptr, 16);
60 name = strchr(endptr, '<');
66 tok = strchr(name, '>');
71 ops->target.name = strdup(name);
74 return ops->target.name == NULL ? -1 : 0;
77 tok = strchr(endptr, '(');
83 tok = strchr(endptr, '*');
87 ops->target.addr = strtoull(tok + 1, NULL, 16);
91 static int call__scnprintf(struct ins *ins, char *bf, size_t size,
92 struct ins_operands *ops)
95 return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name);
97 if (ops->target.addr == 0)
98 return ins__raw_scnprintf(ins, bf, size, ops);
100 return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr);
103 static struct ins_ops call_ops = {
104 .parse = call__parse,
105 .scnprintf = call__scnprintf,
108 bool ins__is_call(const struct ins *ins)
110 return ins->ops == &call_ops;
113 static int jump__parse(struct ins_operands *ops)
115 const char *s = strchr(ops->raw, '+');
117 ops->target.addr = strtoull(ops->raw, NULL, 16);
120 ops->target.offset = strtoull(s, NULL, 16);
122 ops->target.offset = UINT64_MAX;
127 static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
128 struct ins_operands *ops)
130 return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
133 static struct ins_ops jump_ops = {
134 .parse = jump__parse,
135 .scnprintf = jump__scnprintf,
138 bool ins__is_jump(const struct ins *ins)
140 return ins->ops == &jump_ops;
143 static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
145 char *endptr, *name, *t;
147 if (strstr(raw, "(%rip)") == NULL)
150 *addrp = strtoull(comment, &endptr, 16);
151 name = strchr(endptr, '<');
157 t = strchr(name, '>');
162 *namep = strdup(name);
168 static int lock__parse(struct ins_operands *ops)
172 ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
173 if (ops->locked.ops == NULL)
176 if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0)
179 ops->locked.ins = ins__find(name);
180 if (ops->locked.ins == NULL)
183 if (!ops->locked.ins->ops)
186 if (ops->locked.ins->ops->parse)
187 ops->locked.ins->ops->parse(ops->locked.ops);
192 zfree(&ops->locked.ops);
196 static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
197 struct ins_operands *ops)
201 if (ops->locked.ins == NULL)
202 return ins__raw_scnprintf(ins, bf, size, ops);
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);
209 static void lock__delete(struct ins_operands *ops)
211 zfree(&ops->locked.ops);
212 zfree(&ops->target.raw);
213 zfree(&ops->target.name);
216 static struct ins_ops lock_ops = {
217 .free = lock__delete,
218 .parse = lock__parse,
219 .scnprintf = lock__scnprintf,
222 static int mov__parse(struct ins_operands *ops)
224 char *s = strchr(ops->raw, ','), *target, *comment, prev;
230 ops->source.raw = strdup(ops->raw);
233 if (ops->source.raw == NULL)
237 comment = strchr(s, '#');
242 s = strchr(s, '\0') - 1;
244 while (s > target && isspace(s[0]))
250 ops->target.raw = strdup(target);
253 if (ops->target.raw == NULL)
254 goto out_free_source;
259 while (comment[0] != '\0' && isspace(comment[0]))
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);
268 zfree(&ops->source.raw);
272 static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
273 struct ins_operands *ops)
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);
280 static struct ins_ops mov_ops = {
282 .scnprintf = mov__scnprintf,
285 static int dec__parse(struct ins_operands *ops)
287 char *target, *comment, *s, prev;
289 target = s = ops->raw;
291 while (s[0] != '\0' && !isspace(s[0]))
296 ops->target.raw = strdup(target);
299 if (ops->target.raw == NULL)
302 comment = strchr(s, '#');
306 while (comment[0] != '\0' && isspace(comment[0]))
309 comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name);
314 static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
315 struct ins_operands *ops)
317 return scnprintf(bf, size, "%-6.6s %s", ins->name,
318 ops->target.name ?: ops->target.raw);
321 static struct ins_ops dec_ops = {
323 .scnprintf = dec__scnprintf,
326 static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
327 struct ins_operands *ops __maybe_unused)
329 return scnprintf(bf, size, "%-6.6s", "nop");
332 static struct ins_ops nop_ops = {
333 .scnprintf = nop__scnprintf,
337 * Must be sorted by name!
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, },
417 static int ins__cmp(const void *name, const void *insp)
419 const struct ins *ins = insp;
421 return strcmp(name, ins->name);
424 static struct ins *ins__find(const char *name)
426 const int nmemb = ARRAY_SIZE(instructions);
428 return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp);
431 int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym)
433 struct annotation *notes = symbol__annotation(sym);
434 pthread_mutex_init(¬es->lock, NULL);
438 int symbol__alloc_hist(struct symbol *sym)
440 struct annotation *notes = symbol__annotation(sym);
441 const size_t size = symbol__size(sym);
442 size_t sizeof_sym_hist;
444 /* Check for overflow when calculating sizeof_sym_hist */
445 if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64))
448 sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64));
450 /* Check for overflow in zalloc argument */
451 if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src))
452 / symbol_conf.nr_events)
455 notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist);
456 if (notes->src == NULL)
458 notes->src->sizeof_sym_hist = sizeof_sym_hist;
459 notes->src->nr_histograms = symbol_conf.nr_events;
460 INIT_LIST_HEAD(¬es->src->source);
464 void symbol__annotate_zero_histograms(struct symbol *sym)
466 struct annotation *notes = symbol__annotation(sym);
468 pthread_mutex_lock(¬es->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(¬es->lock);
475 static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
476 struct annotation *notes, int evidx, u64 addr)
481 pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr));
483 if (addr < sym->start || addr >= sym->end)
486 offset = addr - sym->start;
487 h = annotation__histogram(notes, evidx);
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]);
497 static int symbol__inc_addr_samples(struct symbol *sym, struct map *map,
500 struct annotation *notes;
505 notes = symbol__annotation(sym);
506 if (notes->src == NULL) {
507 if (symbol__alloc_hist(sym) < 0)
511 return __symbol__inc_addr_samples(sym, map, notes, evidx, addr);
514 int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx)
516 return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr);
519 int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip)
521 return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip);
524 static void disasm_line__init_ins(struct disasm_line *dl)
526 dl->ins = ins__find(dl->name);
534 if (dl->ins->ops->parse)
535 dl->ins->ops->parse(&dl->ops);
538 static int disasm_line__parse(char *line, char **namep, char **rawp)
540 char *name = line, tmp;
542 while (isspace(name[0]))
550 while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
555 *namep = strdup(name);
562 if ((*rawp)[0] != '\0') {
564 while (isspace((*rawp)[0]))
575 static struct disasm_line *disasm_line__new(s64 offset, char *line,
576 size_t privsize, int line_nr)
578 struct disasm_line *dl = zalloc(sizeof(*dl) + privsize);
582 dl->line = strdup(line);
583 dl->line_nr = line_nr;
584 if (dl->line == NULL)
588 if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0)
591 disasm_line__init_ins(dl);
604 void disasm_line__free(struct disasm_line *dl)
608 if (dl->ins && dl->ins->ops->free)
609 dl->ins->ops->free(&dl->ops);
611 ins__delete(&dl->ops);
615 int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw)
618 return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw);
620 return ins__scnprintf(dl->ins, bf, size, &dl->ops);
623 static void disasm__add(struct list_head *head, struct disasm_line *line)
625 list_add_tail(&line->node, head);
628 struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos)
630 list_for_each_entry_continue(pos, head, node)
631 if (pos->offset >= 0)
637 double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
638 s64 end, const char **path)
640 struct source_line *src_line = notes->src->lines;
641 double percent = 0.0;
644 size_t sizeof_src_line = sizeof(*src_line) +
645 sizeof(src_line->p) * (src_line->nr_pcnt - 1);
647 while (offset < end) {
648 src_line = (void *)notes->src->lines +
649 (sizeof_src_line * offset);
652 *path = src_line->path;
654 percent += src_line->p[evidx].percent;
658 struct sym_hist *h = annotation__histogram(notes, evidx);
659 unsigned int hits = 0;
662 hits += h->addr[offset++];
665 percent = 100.0 * hits / h->sum;
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)
675 static const char *prev_line;
676 static const char *prev_color;
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;
684 struct annotation *notes = symbol__annotation(sym);
685 s64 offset = dl->offset;
686 const u64 addr = start + offset;
687 struct disasm_line *next;
689 next = disasm__get_next_ip_line(¬es->src->source, dl);
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)
698 for (i = 0; i < nr_percent; i++) {
699 percent = disasm__calc_percent(notes,
700 notes->src->lines ? i : evsel->idx + i,
702 next ? next->offset : (s64) len,
705 ppercents[i] = percent;
706 if (percent > max_percent)
707 max_percent = percent;
710 if (max_percent < min_pcnt)
713 if (max_lines && printed >= max_lines)
717 list_for_each_entry_from(queue, ¬es->src->source, node) {
720 disasm_line__print(queue, sym, start, evsel, len,
725 color = get_percent_color(max_percent);
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
733 if (!prev_line || strcmp(prev_line, path)
734 || color != prev_color) {
735 color_fprintf(stdout, color, " %s", path);
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);
748 color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr);
749 color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
751 if (ppercents != &percent)
754 } else if (max_lines && printed >= max_lines)
762 if (perf_evsel__is_group_event(evsel))
763 width *= evsel->nr_members;
766 printf(" %*s:\n", width, " ");
768 printf(" %*s: %s\n", width, " ", dl->line);
775 * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
776 * which looks like following
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
787 * it will be parsed and saved into struct disasm_line as
788 * <offset> <name> <ops.raw>
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.
794 static int symbol__parse_objdump_line(struct symbol *sym, struct map *map,
795 FILE *file, size_t privsize,
798 struct annotation *notes = symbol__annotation(sym);
799 struct disasm_line *dl;
800 char *line = NULL, *parsed_line, *tmp, *tmp2, *c;
802 s64 line_ip, offset = -1;
805 if (getline(&line, &line_len, file) < 0)
811 while (line_len != 0 && isspace(line[line_len - 1]))
812 line[--line_len] = '\0';
814 c = strchr(line, '\n');
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);
828 * Strip leading spaces:
839 * Parse hexa addresses followed by ':'
841 line_ip = strtoull(tmp, &tmp2, 16);
842 if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0')
847 u64 start = map__rip_2objdump(map, sym->start),
848 end = map__rip_2objdump(map, sym->end);
850 offset = line_ip - start;
851 if ((u64)line_ip < start || (u64)line_ip >= end)
854 parsed_line = tmp2 + 1;
857 dl = disasm_line__new(offset, parsed_line, privsize, *line_nr);
864 if (dl->ops.target.offset == UINT64_MAX)
865 dl->ops.target.offset = dl->ops.target.addr -
866 map__rip_2objdump(map, sym->start);
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 = {
872 .addr = dl->ops.target.addr,
875 if (!map_groups__find_ams(&target, NULL) &&
876 target.sym->start == target.al_addr)
877 dl->ops.target.name = strdup(target.sym->name);
880 disasm__add(¬es->src->source, dl);
885 static __attribute__((constructor)) void symbol__init_regexpr(void)
887 regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
890 static void delete_last_nop(struct symbol *sym)
892 struct annotation *notes = symbol__annotation(sym);
893 struct list_head *list = ¬es->src->source;
894 struct disasm_line *dl;
896 while (!list_empty(list)) {
897 dl = list_entry(list->prev, struct disasm_line, node);
899 if (dl->ins && dl->ins->ops) {
900 if (dl->ins->ops != &nop_ops)
903 if (!strstr(dl->line, " nop ") &&
904 !strstr(dl->line, " nopl ") &&
905 !strstr(dl->line, " nopw "))
910 disasm_line__free(dl);
914 int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
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];
922 char symfs_filename[PATH_MAX];
923 struct kcore_extract kce;
924 bool delete_extract = false;
928 symbol__join_symfs(symfs_filename, filename);
930 if (filename == NULL) {
931 if (dso->has_build_id) {
932 pr_err("Can't annotate %s: not enough memory\n",
937 } else if (dso__is_kcore(dso)) {
939 } else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
940 strstr(command, "[kernel.kallsyms]") ||
941 access(symfs_filename, R_OK)) {
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.
949 filename = (char *)dso->long_name;
950 symbol__join_symfs(symfs_filename, filename);
951 free_filename = false;
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;
959 if (dso->annotate_warned)
960 goto out_free_filename;
962 if (dso->has_build_id) {
963 build_id__sprintf(dso->build_id,
964 sizeof(dso->build_id), bf + 15);
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"
972 " perf buildid-cache -vu vmlinux\n\n"
974 " --vmlinux vmlinux\n",
975 sym->name, build_id_msg ?: "");
976 goto out_free_filename;
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));
983 pr_debug("annotating [%p] %30s : [%p] %30s\n",
984 dso, dso->long_name, sym, sym->name);
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));
997 free_filename = false;
999 filename = symfs_filename;
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);
1016 pr_debug("Executing: %s\n", command);
1018 file = popen(command, "r");
1020 goto out_free_filename;
1023 if (symbol__parse_objdump_line(sym, map, file, privsize,
1028 * kallsyms does not have symbol sizes so there may a nop at the end.
1031 if (dso__is_kcore(dso))
1032 delete_last_nop(sym);
1037 kcore_extract__delete(&kce);
1043 static void insert_source_line(struct rb_root *root, struct source_line *src_line)
1045 struct source_line *iter;
1046 struct rb_node **p = &root->rb_node;
1047 struct rb_node *parent = NULL;
1050 while (*p != NULL) {
1052 iter = rb_entry(parent, struct source_line, node);
1054 ret = strcmp(iter->path, src_line->path);
1056 for (i = 0; i < src_line->nr_pcnt; i++)
1057 iter->p[i].percent_sum += src_line->p[i].percent;
1064 p = &(*p)->rb_right;
1067 for (i = 0; i < src_line->nr_pcnt; i++)
1068 src_line->p[i].percent_sum = src_line->p[i].percent;
1070 rb_link_node(&src_line->node, parent, p);
1071 rb_insert_color(&src_line->node, root);
1074 static int cmp_source_line(struct source_line *a, struct source_line *b)
1078 for (i = 0; i < a->nr_pcnt; i++) {
1079 if (a->p[i].percent_sum == b->p[i].percent_sum)
1081 return a->p[i].percent_sum > b->p[i].percent_sum;
1087 static void __resort_source_line(struct rb_root *root, struct source_line *src_line)
1089 struct source_line *iter;
1090 struct rb_node **p = &root->rb_node;
1091 struct rb_node *parent = NULL;
1093 while (*p != NULL) {
1095 iter = rb_entry(parent, struct source_line, node);
1097 if (cmp_source_line(src_line, iter))
1100 p = &(*p)->rb_right;
1103 rb_link_node(&src_line->node, parent, p);
1104 rb_insert_color(&src_line->node, root);
1107 static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
1109 struct source_line *src_line;
1110 struct rb_node *node;
1112 node = rb_first(src_root);
1114 struct rb_node *next;
1116 src_line = rb_entry(node, struct source_line, node);
1117 next = rb_next(node);
1118 rb_erase(node, src_root);
1120 __resort_source_line(dest_root, src_line);
1125 static void symbol__free_source_line(struct symbol *sym, int len)
1127 struct annotation *notes = symbol__annotation(sym);
1128 struct source_line *src_line = notes->src->lines;
1129 size_t sizeof_src_line;
1132 sizeof_src_line = sizeof(*src_line) +
1133 (sizeof(src_line->p) * (src_line->nr_pcnt - 1));
1135 for (i = 0; i < len; i++) {
1136 free_srcline(src_line->path);
1137 src_line = (void *)src_line + sizeof_src_line;
1140 zfree(¬es->src->lines);
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)
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;
1157 size_t sizeof_src_line = sizeof(struct source_line);
1159 if (perf_evsel__is_group_event(evsel)) {
1160 for (i = 1; i < evsel->nr_members; i++) {
1161 h = annotation__histogram(notes, evidx + i);
1164 nr_pcnt = evsel->nr_members;
1165 sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->p);
1171 src_line = notes->src->lines = calloc(len, sizeof_src_line);
1172 if (!notes->src->lines)
1175 start = map__rip_2objdump(map, sym->start);
1177 for (i = 0; i < len; i++) {
1179 double percent_max = 0.0;
1181 src_line->nr_pcnt = nr_pcnt;
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;
1187 if (src_line->p[k].percent > percent_max)
1188 percent_max = src_line->p[k].percent;
1191 if (percent_max <= 0.5)
1195 src_line->path = get_srcline(map->dso, offset, NULL, false);
1196 insert_source_line(&tmp_root, src_line);
1199 src_line = (void *)src_line + sizeof_src_line;
1202 resort_source_line(root, &tmp_root);
1206 static void print_summary(struct rb_root *root, const char *filename)
1208 struct source_line *src_line;
1209 struct rb_node *node;
1211 printf("\nSorted summary for file %s\n", filename);
1212 printf("----------------------------------------------\n\n");
1214 if (RB_EMPTY_ROOT(root)) {
1215 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
1219 node = rb_first(root);
1221 double percent, percent_max = 0.0;
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);
1232 if (percent > percent_max)
1233 percent_max = percent;
1236 path = src_line->path;
1237 color = get_percent_color(percent_max);
1238 color_fprintf(stdout, color, " %s\n", path);
1240 node = rb_next(node);
1244 static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
1246 struct annotation *notes = symbol__annotation(sym);
1247 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
1248 u64 len = symbol__size(sym), offset;
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);
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)
1261 struct dso *dso = map->dso;
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;
1272 int namelen, evsel_name_len, graph_dotted_len;
1274 filename = strdup(dso->long_name);
1279 d_filename = filename;
1281 d_filename = basename(filename);
1283 len = symbol__size(sym);
1284 namelen = strlen(d_filename);
1285 evsel_name_len = strlen(evsel_name);
1287 if (perf_evsel__is_group_event(evsel))
1288 width *= evsel->nr_members;
1290 printf(" %-*.*s| Source code & Disassembly of %s for %s\n",
1291 width, width, "Percent", d_filename, evsel_name);
1293 graph_dotted_len = width + namelen + evsel_name_len;
1294 printf("-%-*.*s-----------------------------------------\n",
1295 graph_dotted_len, graph_dotted_len, graph_dotted_line);
1298 symbol__annotate_hits(sym, evsel);
1300 list_for_each_entry(pos, ¬es->src->source, node) {
1301 if (context && queue == NULL) {
1306 switch (disasm_line__print(pos, sym, start, evsel, len,
1307 min_pcnt, printed, max_lines,
1312 printed += queue_len;
1318 /* filtered by max_lines */
1324 * Filtered by min_pcnt or non IP lines when
1329 if (queue_len == context)
1330 queue = list_entry(queue->node.next, typeof(*queue), node);
1342 void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
1344 struct annotation *notes = symbol__annotation(sym);
1345 struct sym_hist *h = annotation__histogram(notes, evidx);
1347 memset(h, 0, notes->src->sizeof_sym_hist);
1350 void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
1352 struct annotation *notes = symbol__annotation(sym);
1353 struct sym_hist *h = annotation__histogram(notes, evidx);
1354 int len = symbol__size(sym), offset;
1357 for (offset = 0; offset < len; ++offset) {
1358 h->addr[offset] = h->addr[offset] * 7 / 8;
1359 h->sum += h->addr[offset];
1363 void disasm__purge(struct list_head *head)
1365 struct disasm_line *pos, *n;
1367 list_for_each_entry_safe(pos, n, head, node) {
1368 list_del(&pos->node);
1369 disasm_line__free(pos);
1373 static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
1377 if (dl->offset == -1)
1378 return fprintf(fp, "%s\n", dl->line);
1380 printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name);
1382 if (dl->ops.raw[0] != '\0') {
1383 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
1387 return printed + fprintf(fp, "\n");
1390 size_t disasm__fprintf(struct list_head *head, FILE *fp)
1392 struct disasm_line *pos;
1395 list_for_each_entry(pos, head, node)
1396 printed += disasm_line__fprintf(pos, fp);
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)
1405 struct dso *dso = map->dso;
1406 struct rb_root source_line = RB_ROOT;
1409 if (symbol__annotate(sym, map, 0) < 0)
1412 len = symbol__size(sym);
1415 symbol__get_source_line(sym, map, evsel, &source_line, len);
1416 print_summary(&source_line, dso->long_name);
1419 symbol__annotate_printf(sym, map, evsel, full_paths,
1420 min_pcnt, max_lines, 0);
1422 symbol__free_source_line(sym, len);
1424 disasm__purge(&symbol__annotation(sym)->src->source);
1429 int hist_entry__annotate(struct hist_entry *he, size_t privsize)
1431 return symbol__annotate(he->ms.sym, he->ms.map, privsize);
1434 bool ui__has_annotation(void)
1436 return use_browser == 1 && sort__has_sym;