Function Clock_find

libCacheSim/cache/eviction/Clock.c:138–151

* @brief check whether an object is in the cache * * @param cache * @param req * @param update_cache whether to update the cache, * if true, the object is promoted * and if the object is expired, it is removed from the cache * @return true on hit, false on miss */

 * @return true on hit, false on miss
 */
static cache_obj_t *Clock_find(cache_t *cache, const request_t *req, const bool update_cache) {
  Clock_params_t *params = (Clock_params_t *)cache->eviction_params;
  cache_obj_t *obj = cache_find_base(cache, req, update_cache);
  if (obj != NULL && update_cache) {
    if (obj->clock.freq < params->max_freq) {
      obj->clock.freq += 1;
    }
#ifdef USE_BELADY
    obj->next_access_vtime = req->next_access_vtime;
#endif
  }

  return obj;
}

/**
 * @brief insert an object into the cache,