public static void debugLog(String msg, boolean logStack) {
    if (logStack) {
      logger.info(msg, new RuntimeException(msg));
    } else {
      logger.info(msg);
    }
  }
Returns a possibly empty list that contains all the Chunks used by regions.
geode-core/src/main/java/org/apache/geode/internal/offheap/MemoryAllocatorImpl.java