def timestamp(self, signal:SignalType):
    """
    Enqueues a timestamp command which records the current time in a signal after all previously enqueued commands are completed.

    Args:
      signal: The signal to store the timestamp
    """

    Enqueues a timestamp command which records the current time in a signal after all previously enqueued commands are completed.

    Args:
      signal: The signal to store the timestamp
    
tinygrad/runtime/support/hcq.py