code: def validate_args(args):
      if not args.metric in PERF_METRICS:
          print(f"{args.metric} is not a valid performance metrics")
          return False
  
      if not os.path.isdir(args.log_dir):
          print(f"{args.log_dir} folder is not existent")
          return False
  
      return True
  
file_path: H2O/h2o_flexgen/benchmark/third_party/DeepSpeed/csrc/aio/py_test/parse_aio_stats.py
imports: import os
  import argparse
label_desc: Use image node_id 6 for calling a global function with example usage: validate_args(args) and returns: True, False, False