12 vn_renderer_shmem_cache_dump(struct vn_renderer_shmem_cache *cache)  in vn_renderer_shmem_cache_dump()  argument
14    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_dump()
16    vn_log(NULL, "dumping renderer shmem cache");  in vn_renderer_shmem_cache_dump()
17    vn_log(NULL, "  cache skip: %d", cache->debug.cache_skip_count);  in vn_renderer_shmem_cache_dump()
18    vn_log(NULL, "  cache hit: %d", cache->debug.cache_hit_count);  in vn_renderer_shmem_cache_dump()
19    vn_log(NULL, "  cache miss: %d", cache->debug.cache_miss_count);  in vn_renderer_shmem_cache_dump()
21    uint32_t bucket_mask = cache->bucket_mask;  in vn_renderer_shmem_cache_dump()
24       const struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_dump()
33    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_dump()
37 vn_renderer_shmem_cache_init(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_init()  argument
41    /* cache->bucket_mask is 32-bit and u_bit_scan is used */  in vn_renderer_shmem_cache_init()
42    static_assert(ARRAY_SIZE(cache->buckets) <= 32, "");  in vn_renderer_shmem_cache_init()
44    cache->renderer = renderer;  in vn_renderer_shmem_cache_init()
45    cache->destroy_func = destroy_func;  in vn_renderer_shmem_cache_init()
47    simple_mtx_init(&cache->mutex, mtx_plain);  in vn_renderer_shmem_cache_init()
49    for (uint32_t i = 0; i < ARRAY_SIZE(cache->buckets); i++) {  in vn_renderer_shmem_cache_init()
50       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[i];  in vn_renderer_shmem_cache_init()
54    cache->initialized = true;  in vn_renderer_shmem_cache_init()
58 vn_renderer_shmem_cache_fini(struct vn_renderer_shmem_cache *cache)  in vn_renderer_shmem_cache_fini()  argument
60    if (!cache->initialized)  in vn_renderer_shmem_cache_fini()
63    if (VN_DEBUG(CACHE))  in vn_renderer_shmem_cache_fini()
64       vn_renderer_shmem_cache_dump(cache);  in vn_renderer_shmem_cache_fini()
66    while (cache->bucket_mask) {  in vn_renderer_shmem_cache_fini()
67       const int idx = u_bit_scan(&cache->bucket_mask);  in vn_renderer_shmem_cache_fini()
68       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_fini()
72          cache->destroy_func(cache->renderer, shmem);  in vn_renderer_shmem_cache_fini()
75    simple_mtx_destroy(&cache->mutex);  in vn_renderer_shmem_cache_fini()
79 choose_bucket(struct vn_renderer_shmem_cache *cache,  in choose_bucket()  argument
88    if (unlikely(idx >= ARRAY_SIZE(cache->buckets)))  in choose_bucket()
92    return &cache->buckets[idx];  in choose_bucket()
97    struct vn_renderer_shmem_cache *cache, int64_t now)  in vn_renderer_shmem_cache_remove_expired_locked()  argument
99    uint32_t bucket_mask = cache->bucket_mask;  in vn_renderer_shmem_cache_remove_expired_locked()
102       struct vn_renderer_shmem_bucket *bucket = &cache->buckets[idx];  in vn_renderer_shmem_cache_remove_expired_locked()
116          cache->destroy_func(cache->renderer, shmem);  in vn_renderer_shmem_cache_remove_expired_locked()
122 vn_renderer_shmem_cache_add(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_add()  argument
129       choose_bucket(cache, shmem->mmap_size, &idx);  in vn_renderer_shmem_cache_add()
136    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_add()
138    vn_renderer_shmem_cache_remove_expired_locked(cache, now);  in vn_renderer_shmem_cache_add()
141    cache->bucket_mask |= 1 << idx;  in vn_renderer_shmem_cache_add()
143    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_add()
149 vn_renderer_shmem_cache_get(struct vn_renderer_shmem_cache *cache,  in vn_renderer_shmem_cache_get()  argument
153    struct vn_renderer_shmem_bucket *bucket = choose_bucket(cache, size, &idx);  in vn_renderer_shmem_cache_get()
155       VN_TRACE_SCOPE("shmem cache skip");  in vn_renderer_shmem_cache_get()
156       simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_get()
157       cache->debug.cache_skip_count++;  in vn_renderer_shmem_cache_get()
158       simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_get()
164    simple_mtx_lock(&cache->mutex);  in vn_renderer_shmem_cache_get()
165    if (cache->bucket_mask & (1 << idx)) {  in vn_renderer_shmem_cache_get()
172          cache->bucket_mask &= ~(1 << idx);  in vn_renderer_shmem_cache_get()
174       cache->debug.cache_hit_count++;  in vn_renderer_shmem_cache_get()
176       VN_TRACE_SCOPE("shmem cache miss");  in vn_renderer_shmem_cache_get()
177       cache->debug.cache_miss_count++;  in vn_renderer_shmem_cache_get()
179    simple_mtx_unlock(&cache->mutex);  in vn_renderer_shmem_cache_get()