Function SLRU_parse_params

libCacheSim/cache/eviction/SLRU.c:418–467

}

static void SLRU_parse_params(cache_t *cache,
                              const char *cache_specific_params) {
  SLRU_params_t *params = (SLRU_params_t *)cache->eviction_params;
  char *params_str = strdup(cache_specific_params);
  char *old_params_str = params_str;
  char *end;

  while (params_str != NULL && params_str[0] != '\0') {
    /* different parameters are separated by comma,
     * key and value are separated by = */
    char *key = strsep((char **)&params_str, "=");
    char *value = strsep((char **)&params_str, ",");

    // skip the white space
    while (params_str != NULL && *params_str == ' ') {
      params_str++;
    }

    if (strcasecmp(key, "n-seg") == 0) {
      params->n_seg = (int)strtol(value, &end, 0);
      if (strlen(end) > 2) {
        ERROR("param parsing error, find string \"%s\" after number\n", end);
      }
    } else if (strcasecmp(key, "seg-size") == 0) {
      int n_seg = 0;
      int64_t seg_size_sum = 0;
      int64_t seg_size_array[SLRU_MAX_N_SEG];
      char *v = strsep((char **)&value, ":");
      while (v != NULL) {
        seg_size_array[n_seg++] = (int64_t)strtol(v, &end, 0);
        seg_size_sum += seg_size_array[n_seg - 1];
        v = strsep((char **)&value, ":");
      }
      params->n_seg = n_seg;
      params->lru_max_n_bytes = calloc(params->n_seg, sizeof(int64_t));
      for (int i = 0; i < n_seg; i++) {
        params->lru_max_n_bytes[i] =
            (int64_t)((double)seg_size_array[i] / seg_size_sum *
                      cache->cache_size);
      }
    } else if (strcasecmp(key, "print") == 0) {
      printf("current parameters: %s\n", SLRU_current_params(cache, params));
      exit(0);
    } else {
      ERROR("%s does not have parameter %s\n", cache->cache_name, key);
      exit(1);
    }
  }
  free(old_params_str);
}

// ***********************************************************************
// ****                                                               ****