diff options
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r-- | tools/perf/util/annotate.c | 151 |
1 files changed, 85 insertions, 66 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7eae5488ece..469eb679fb9 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -26,10 +26,10 @@ static int disasm_line__parse(char *line, char **namep, char **rawp); static void ins__delete(struct ins_operands *ops) { - free(ops->source.raw); - free(ops->source.name); - free(ops->target.raw); - free(ops->target.name); + zfree(&ops->source.raw); + zfree(&ops->source.name); + zfree(&ops->target.raw); + zfree(&ops->target.name); } static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, @@ -185,8 +185,7 @@ static int lock__parse(struct ins_operands *ops) return 0; out_free_ops: - free(ops->locked.ops); - ops->locked.ops = NULL; + zfree(&ops->locked.ops); return 0; } @@ -205,9 +204,9 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size, static void lock__delete(struct ins_operands *ops) { - free(ops->locked.ops); - free(ops->target.raw); - free(ops->target.name); + zfree(&ops->locked.ops); + zfree(&ops->target.raw); + zfree(&ops->target.name); } static struct ins_ops lock_ops = { @@ -256,8 +255,7 @@ static int mov__parse(struct ins_operands *ops) return 0; out_free_source: - free(ops->source.raw); - ops->source.raw = NULL; + zfree(&ops->source.raw); return -1; } @@ -464,17 +462,12 @@ void symbol__annotate_zero_histograms(struct symbol *sym) pthread_mutex_unlock(¬es->lock); } -int symbol__inc_addr_samples(struct symbol *sym, struct map *map, - int evidx, u64 addr) +static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, + struct annotation *notes, int evidx, u64 addr) { unsigned offset; - struct annotation *notes; struct sym_hist *h; - notes = symbol__annotation(sym); - if (notes->src == NULL) - return -ENOMEM; - pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); if (addr < sym->start || addr > sym->end) @@ -491,6 +484,33 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } +static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, + int evidx, u64 addr) +{ + struct annotation *notes; + + if (sym == NULL || use_browser != 1 || !sort__has_sym) + return 0; + + notes = symbol__annotation(sym); + if (notes->src == NULL) { + if (symbol__alloc_hist(sym) < 0) + return -ENOMEM; + } + + return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); +} + +int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) +{ + return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); +} + +int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) +{ + return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); +} + static void disasm_line__init_ins(struct disasm_line *dl) { dl->ins = ins__find(dl->name); @@ -538,8 +558,7 @@ static int disasm_line__parse(char *line, char **namep, char **rawp) return 0; out_free_name: - free(*namep); - *namep = NULL; + zfree(namep); return -1; } @@ -564,7 +583,7 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs return dl; out_free_line: - free(dl->line); + zfree(&dl->line); out_delete: free(dl); return NULL; @@ -572,8 +591,8 @@ out_delete: void disasm_line__free(struct disasm_line *dl) { - free(dl->line); - free(dl->name); + zfree(&dl->line); + zfree(&dl->name); if (dl->ins && dl->ins->ops->free) dl->ins->ops->free(&dl->ops); else @@ -825,20 +844,16 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, dl->ops.target.offset = dl->ops.target.addr - map__rip_2objdump(map, sym->start); - /* - * kcore has no symbols, so add the call target name if it is on the - * same map. - */ + /* kcore has no symbols, so add the call target name */ if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { - struct symbol *s; - u64 ip = dl->ops.target.addr; - - if (ip >= map->start && ip <= map->end) { - ip = map->map_ip(map, ip); - s = map__find_symbol(map, ip, NULL); - if (s && s->start == ip) - dl->ops.target.name = strdup(s->name); - } + struct addr_map_symbol target = { + .map = map, + .addr = dl->ops.target.addr, + }; + + if (!map_groups__find_ams(&target, NULL) && + target.sym->start == target.al_addr) + dl->ops.target.name = strdup(target.sym->name); } disasm__add(¬es->src->source, dl); @@ -879,6 +894,8 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) FILE *file; int err = 0; char symfs_filename[PATH_MAX]; + struct kcore_extract kce; + bool delete_extract = false; if (filename) { snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", @@ -902,7 +919,7 @@ fallback: * cache, or is just a kallsyms file, well, lets hope that this * DSO is the same as when 'perf record' ran. */ - filename = dso->long_name; + filename = (char *)dso->long_name; snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", symbol_conf.symfs, filename); free_filename = false; @@ -940,6 +957,23 @@ fallback: pr_debug("annotating [%p] %30s : [%p] %30s\n", dso, dso->long_name, sym, sym->name); + if (dso__is_kcore(dso)) { + kce.kcore_filename = symfs_filename; + kce.addr = map__rip_2objdump(map, sym->start); + kce.offs = sym->start; + kce.len = sym->end + 1 - sym->start; + if (!kcore_extract__create(&kce)) { + delete_extract = true; + strlcpy(symfs_filename, kce.extract_filename, + sizeof(symfs_filename)); + if (free_filename) { + free(filename); + free_filename = false; + } + filename = symfs_filename; + } + } + snprintf(command, sizeof(command), "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 @@ -972,6 +1006,8 @@ fallback: pclose(file); out_free_filename: + if (delete_extract) + kcore_extract__delete(&kce); if (free_filename) free(filename); return err; @@ -1070,24 +1106,21 @@ static void symbol__free_source_line(struct symbol *sym, int len) (sizeof(src_line->p) * (src_line->nr_pcnt - 1)); for (i = 0; i < len; i++) { - free(src_line->path); + free_srcline(src_line->path); src_line = (void *)src_line + sizeof_src_line; } - free(notes->src->lines); - notes->src->lines = NULL; + zfree(¬es->src->lines); } /* Get the filename:line for the colored entries */ static int symbol__get_source_line(struct symbol *sym, struct map *map, struct perf_evsel *evsel, - struct rb_root *root, int len, - const char *filename) + struct rb_root *root, int len) { u64 start; int i, k; int evidx = evsel->idx; - char cmd[PATH_MAX * 2]; struct source_line *src_line; struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); @@ -1115,10 +1148,7 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, start = map__rip_2objdump(map, sym->start); for (i = 0; i < len; i++) { - char *path = NULL; - size_t line_len; u64 offset; - FILE *fp; double percent_max = 0.0; src_line->nr_pcnt = nr_pcnt; @@ -1135,23 +1165,9 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, goto next; offset = start + i; - sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset); - fp = popen(cmd, "r"); - if (!fp) - goto next; - - if (getline(&path, &line_len, fp) < 0 || !line_len) - goto next_close; - - src_line->path = malloc(sizeof(char) * line_len + 1); - if (!src_line->path) - goto next_close; - - strcpy(src_line->path, path); + src_line->path = get_srcline(map->dso, offset); insert_source_line(&tmp_root, src_line); - next_close: - pclose(fp); next: src_line = (void *)src_line + sizeof_src_line; } @@ -1192,7 +1208,7 @@ static void print_summary(struct rb_root *root, const char *filename) path = src_line->path; color = get_percent_color(percent_max); - color_fprintf(stdout, color, " %s", path); + color_fprintf(stdout, color, " %s\n", path); node = rb_next(node); } @@ -1356,7 +1372,6 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, bool full_paths, int min_pcnt, int max_lines) { struct dso *dso = map->dso; - const char *filename = dso->long_name; struct rb_root source_line = RB_ROOT; u64 len; @@ -1366,9 +1381,8 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, len = symbol__size(sym); if (print_lines) { - symbol__get_source_line(sym, map, evsel, &source_line, - len, filename); - print_summary(&source_line, filename); + symbol__get_source_line(sym, map, evsel, &source_line, len); + print_summary(&source_line, dso->long_name); } symbol__annotate_printf(sym, map, evsel, full_paths, @@ -1380,3 +1394,8 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, return 0; } + +int hist_entry__annotate(struct hist_entry *he, size_t privsize) +{ + return symbol__annotate(he->ms.sym, he->ms.map, privsize); +} |