def __init__(self, _time, milliseconds, bucket_numbers,
bucket_data_length, enabled):
self.time = _time
self.milliseconds = milliseconds
self.buckets = BucketCircular(bucket_numbers)
self.bucket_numbers = bucket_numbers
self.bucket_data_length = bucket_data_length
self.enabled = enabled
self.snapshot = PercentileSnapshot(0)
self._new_bucket_lock = RLock()
