12 vn_renderer_shmem_cache_init(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_init()  argument
16    /* cache->bucket_mask is 32-bit and u_bit_scan is used */  in vn_renderer_shmem_cache_init()
17    static_assert(ARRAY_SIZE(cache->buckets) <= 32, "");  in vn_renderer_shmem_cache_init()
19    cache->renderer = renderer;  in vn_renderer_shmem_cache_init()
20    cache->destroy_func = destroy_func;  in vn_renderer_shmem_cache_init()
22    simple_mtx_init(&cache->mutex, mtx_plain);  in vn_renderer_shmem_cache_init()
24    for (uint32_t i = 0; i < ARRAY_SIZE(cache->buckets); i++) {  in vn_renderer_shmem_cache_init()
25       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[i];  in vn_renderer_shmem_cache_init()
29    cache->initialized = true;  in vn_renderer_shmem_cache_init()
33 vn_renderer_shmem_cache_fini(struct vn_renderer_shmem_cache *cache)  in vn_renderer_shmem_cache_fini()  argument
35    if (!cache->initialized)  in vn_renderer_shmem_cache_fini()
38    while (cache->bucket_mask) {  in vn_renderer_shmem_cache_fini()
39       const int idx = u_bit_scan(&cache->bucket_mask);  in vn_renderer_shmem_cache_fini()
40       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_fini()
44          cache->destroy_func(cache->renderer, shmem);  in vn_renderer_shmem_cache_fini()
47    simple_mtx_destroy(&cache->mutex);  in vn_renderer_shmem_cache_fini()
51 choose_bucket(struct vn_renderer_shmem_cache *cache,  in choose_bucket()  argument
60    if (unlikely(idx >= ARRAY_SIZE(cache->buckets)))  in choose_bucket()
64    return &cache->buckets[idx];  in choose_bucket()
69    struct vn_renderer_shmem_cache *cache, int64_t now)  in vn_renderer_shmem_cache_remove_expired_locked()  argument
71    uint32_t bucket_mask = cache->bucket_mask;  in vn_renderer_shmem_cache_remove_expired_locked()
74       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_remove_expired_locked()
88          cache->destroy_func(cache->renderer, shmem);  in vn_renderer_shmem_cache_remove_expired_locked()
94 vn_renderer_shmem_cache_add(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_add()  argument
101       choose_bucket(cache, shmem->mmap_size, &idx);  in vn_renderer_shmem_cache_add()
108    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_add()
110    vn_renderer_shmem_cache_remove_expired_locked(cache, now);  in vn_renderer_shmem_cache_add()
113    cache->bucket_mask |= 1 << idx;  in vn_renderer_shmem_cache_add()
115    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_add()
121 vn_renderer_shmem_cache_get(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_get()  argument
125    struct vn_renderer_shmem_bucket *bucket = choose_bucket(cache, size, &idx);  in vn_renderer_shmem_cache_get()
127       VN_TRACE_SCOPE("shmem cache skip");  in vn_renderer_shmem_cache_get()
128       simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_get()
129       cache->debug.cache_skip_count++;  in vn_renderer_shmem_cache_get()
130       simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_get()
136    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_get()
137    if (cache->bucket_mask & (1 << idx)) {  in vn_renderer_shmem_cache_get()
144          cache->bucket_mask &= ~(1 << idx);  in vn_renderer_shmem_cache_get()
146       cache->debug.cache_hit_count++;  in vn_renderer_shmem_cache_get()
148       VN_TRACE_SCOPE("shmem cache miss");  in vn_renderer_shmem_cache_get()
149       cache->debug.cache_miss_count++;  in vn_renderer_shmem_cache_get()
151    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_get()
158 vn_renderer_shmem_cache_debug_dump(struct vn_renderer_shmem_cache *cache)  in vn_renderer_shmem_cache_debug_dump()  argument
160    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_debug_dump()
162    vn_log(NULL, "dumping shmem cache");  in vn_renderer_shmem_cache_debug_dump()
163    vn_log(NULL, "  cache skip: %d", cache->debug.cache_skip_count);  in vn_renderer_shmem_cache_debug_dump()
164    vn_log(NULL, "  cache hit: %d", cache->debug.cache_hit_count);  in vn_renderer_shmem_cache_debug_dump()
165    vn_log(NULL, "  cache miss: %d", cache->debug.cache_miss_count);  in vn_renderer_shmem_cache_debug_dump()
167    uint32_t bucket_mask = cache->bucket_mask;  in vn_renderer_shmem_cache_debug_dump()
170       const struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_debug_dump()
179    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_debug_dump()