code: def _get_process_memory():
      process = psutil.Process(os.getpid())
      return process.memory_info().rss
  
file_path: airflow/tests/test_utils/perf/perf_kit/memory.py
imports: from __future__ import annotations
  import gc
  import os
  from contextlib import contextmanager
  import psutil
label_desc: Use image node_id 1 for calling a global function with example usage: _get_process_memory() and returns: process