code: def record(self):
      self.time = time.perf_counter()
  
imports: import argparse
  import copy
  import gc
  import json
  import sys
  import time
  from collections import namedtuple
  import torch
  from torch.autograd.profiler import record_function
  from .fuser import set_fuser
  from .runner import get_nn_runners
label_desc: Use image node_id 2 for calling the Event obj's underlying member method code with example usage: obj.record() without return types