diff options
| -rw-r--r-- | libass/ass_cache.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/libass/ass_cache.c b/libass/ass_cache.c index 50ae7acf10..1a1c351bb5 100644 --- a/libass/ass_cache.c +++ b/libass/ass_cache.c @@ -46,10 +46,13 @@ struct hashmap_s { int nbuckets; size_t key_size, value_size; hashmap_item_p* root; - int count; hashmap_item_dtor_t item_dtor; // a destructor for hashmap key/value pairs hashmap_key_compare_t key_compare; hashmap_hash_t hash; + // stats + int hit_count; + int miss_count; + int count; }; #define FNV1_32A_INIT (unsigned)0x811c9dc5 @@ -98,7 +101,6 @@ hashmap_t* hashmap_init(size_t key_size, size_t value_size, int nbuckets, map->nbuckets = nbuckets; map->key_size = key_size; map->value_size = value_size; - map->count = 0; map->root = calloc(nbuckets, sizeof(hashmap_item_p)); map->item_dtor = item_dtor ? item_dtor : hashmap_item_dtor; map->key_compare = key_compare ? key_compare : hashmap_key_compare; @@ -109,6 +111,11 @@ hashmap_t* hashmap_init(size_t key_size, size_t value_size, int nbuckets, void hashmap_done(hashmap_t* map) { int i; + // print stats + if (map->count > 0 || map->hit_count + map->miss_count > 0) + mp_msg(MSGT_ASS, MSGL_DBG, "cache statistics: \n total accesses: %d\n hits: %d\n misses: %d\n object count: %d\n", + map->hit_count + map->miss_count, map->hit_count, map->miss_count, map->count); + for (i = 0; i < map->nbuckets; ++i) { hashmap_item_t* item = map->root[i]; while (item) { @@ -149,10 +156,12 @@ void* hashmap_find(hashmap_t* map, void* key) hashmap_item_t* item = map->root[hash % map->nbuckets]; while (item) { if (map->key_compare(key, item->key, map->key_size)) { + map->hit_count++; return item->value; } item = item->next; } + map->miss_count++; return 0; } |