diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/hist.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 6b32721f829a..9438d576459d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -292,6 +292,20 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) he->ms.map->referenced = true; if (he->branch_info) { + /* + * This branch info is (a part of) allocated from + * machine__resolve_bstack() and will be freed after + * adding new entries. So we need to save a copy. + */ + he->branch_info = malloc(sizeof(*he->branch_info)); + if (he->branch_info == NULL) { + free(he); + return NULL; + } + + memcpy(he->branch_info, template->branch_info, + sizeof(*he->branch_info)); + if (he->branch_info->from.map) he->branch_info->from.map->referenced = true; if (he->branch_info->to.map) |