docstr: Setup profiling related status.
  
  Args:
      step (int): the index of iteration.
  Return:
      stop (bool): a signal to indicate whether profiling should stop or not.
docstr_tok: ["Setup","profiling","related","status",".","Args",":","step","(","int",")",":","the","index","of","iteration",".","Return",":","stop","(","bool",")",":","a","signal","to","indicate","whether","profiling","should","stop","or","not","."]
code: def profile_setup(self, step):
      """
      Setup profiling related status.
  
      Args:
          step (int): the index of iteration.
      Return:
          stop (bool): a signal to indicate whether profiling should stop or not.
      """
  
      if self._enable_profile and step == self._start_step:
          cuda_profile_start()
          logging.info(
              "Profiling start at %d-th iteration", self._start_step
          )
  
      if self._enable_profile and step == self._stop_step:
          cuda_profile_stop()
          logging.info(
              "Profiling stop at %d-th iteration", self._stop_step
          )
          return True
      return False
  
file_path: DALI/docs/examples/use_cases/paddle/resnet50/profile.py
imports: import os
  import logging
  from contextlib import contextmanager
  from utils.cuda_bind import cuda_profile_start, cuda_profile_stop
  from utils.cuda_bind import cuda_nvtx_range_push, cuda_nvtx_range_pop
label_desc: Use image node_id 2 for calling the Profiler obj's underlying member method code with example usage: obj.profile_setup(step) and returns: False, True