diff options
Diffstat (limited to 'tools/perf/util/map.c')
| -rw-r--r-- | tools/perf/util/map.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index fdd5bddb3075..a08ca276098e 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -375,8 +375,13 @@ struct symbol *map__find_symbol_by_name(struct map *map, const char *name) struct map *map__clone(struct map *from) { - struct map *map = memdup(from, sizeof(*map)); + size_t size = sizeof(struct map); + struct map *map; + + if (from->dso && from->dso->kernel) + size += sizeof(struct kmap); + map = memdup(from, size); if (map != NULL) { refcount_set(&map->refcnt, 1); RB_CLEAR_NODE(&map->rb_node); @@ -538,6 +543,16 @@ void maps__insert(struct maps *maps, struct map *map) __maps__insert(maps, map); ++maps->nr_maps; + if (map->dso && map->dso->kernel) { + struct kmap *kmap = map__kmap(map); + + if (kmap) + kmap->kmaps = maps; + else + pr_err("Internal error: kernel dso with non kernel map\n"); + } + + /* * If we already performed some search by name, then we need to add the just * inserted map and resort. @@ -549,6 +564,7 @@ void maps__insert(struct maps *maps, struct map *map) if (maps_by_name == NULL) { __maps__free_maps_by_name(maps); + up_write(&maps->lock); return; } |