diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/unwind-libunwind.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c index f37859c04317..ee7e372297e5 100644 --- a/tools/perf/util/unwind-libunwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -319,6 +319,15 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui) thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, MAP__FUNCTION, ip, &al); + if (!al.map) { + /* + * We've seen cases (softice) where DWARF unwinder went + * through non executable mmaps, which we need to lookup + * in MAP__VARIABLE tree. + */ + thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, + MAP__VARIABLE, ip, &al); + } return al.map; } |