def METHOD_NAME(self) -> Tuple[Optional[str], bool]:
    if dist.get_local_rank() == 0:
        average_sample = np.nanmean(list(self.samples), axis=0)
        if np.nanmax(average_sample) - np.nanmin(average_sample) > self.threshold:
            message = f'Abnormal GPU utilizations: {average_sample}'
            return message, True
        else:
            message = f':+1: Normal GPU utilizations: {average_sample}'
            return message, False
    return None, False