code: def start_server(port):
      """Start a profiler grpc server that listens to given port.
  
      The profiler server will exit when the process finishes. The service is
      defined in tensorflow/core/profiler/profiler_service.proto.
  
      Args:
        port: port profiler server listens to.
      Example usage: ```python tf.profiler.experimental.server.start(6009) # do
        your training here.
      """
      _pywrap_profiler.start_server(port)
  
file_path: tensorflow/tensorflow/python/profiler/profiler_v2.py
imports: import collections
  import threading
  from tensorflow.python.framework import errors
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.profiler.internal import _pywrap_profiler
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 4 for calling a global function with example usage: start_server(port) without return types