diff options
Diffstat (limited to 'tools/perf/util/annotate.c')
-rw-r--r-- | tools/perf/util/annotate.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 22cd1dbe724b..11af5f0d56cc 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -1307,6 +1307,7 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil { char linkname[PATH_MAX]; char *build_id_filename; + char *build_id_path = NULL; if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && !dso__is_kcore(dso)) @@ -1322,8 +1323,14 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil goto fallback; } + build_id_path = strdup(filename); + if (!build_id_path) + return -1; + + dirname(build_id_path); + if (dso__is_kcore(dso) || - readlink(filename, linkname, sizeof(linkname)) < 0 || + readlink(build_id_path, linkname, sizeof(linkname)) < 0 || strstr(linkname, DSO__NAME_KALLSYMS) || access(filename, R_OK)) { fallback: @@ -1335,6 +1342,7 @@ fallback: __symbol__join_symfs(filename, filename_size, dso->long_name); } + free(build_id_path); return 0; } @@ -1663,18 +1671,23 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map, src_line->nr_pcnt = nr_pcnt; for (k = 0; k < nr_pcnt; k++) { + double percent = 0.0; + h = annotation__histogram(notes, evidx + k); - src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum; + if (h->sum) + percent = 100.0 * h->addr[i] / h->sum; - if (src_line->samples[k].percent > percent_max) - percent_max = src_line->samples[k].percent; + if (percent > percent_max) + percent_max = percent; + src_line->samples[k].percent = percent; } if (percent_max <= 0.5) goto next; offset = start + i; - src_line->path = get_srcline(map->dso, offset, NULL, false); + src_line->path = get_srcline(map->dso, offset, NULL, + false, true); insert_source_line(&tmp_root, src_line); next: |