public static <T extends Enum<T>> void setKillPoint(T x) {
    if (CommonDescriptor.getInstance().getConfig().isIntegrationTest()) {
      String breakPointName = enumToString(x);
      if (CommonDescriptor.getInstance()
          .getConfig()
          .getEnabledKillPoints()
          .contains(breakPointName)) {
        LOGGER.info(addKillPointPrefix(breakPointName));
        try {
          TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
          Thread.currentThread().interrupt();
        }
      }
    }
  }
Call this function to print a line in log.

@param x Any enum member
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/utils/KillPoint/KillPoint.java