code: def main(args):
      if args.image_num % args.proc_num != 0:
          raise EOFError(
              "Please make sure that image push number can be divided by multi-process number"
          )
      redis_args = {}
      with open(args.config_path) as file:
          config = yaml.full_load(file)
      redis_url = config.get("redisUrl")
      if redis_url:
          host = redis_url.split(":")[0]
          port = redis_url.split(":")[1]
          redis_args = {"host": host, "port": port}
      if config.get("redisSecureEnabled"):
          if not os.path.isdir(args.keydir):
              raise EOFError("Please set secure key path")
          redis_args["ssl"] = "True"
          redis_args["ssl_cert_reqs"] = "none"
          redis_args["ssl_certfile"] = redis_args[
              "ssl_ca_certs"
          ] = os.path.join(args.keydir, "server.crt")
          redis_args["ssl_keyfile"] = os.path.join(
              args.keydir, "server.key"
          )
      encrypt = config.get("recordEncrypted")
  
      DB = redis.StrictRedis(**redis_args)
      redis_args.pop("ssl_cert_reqs", None)
  
      try:
          print("Entering initial dequeue")
          output_api = OutputQueue(**redis_args)
          start = time.time()
          res = output_api.dequeue()
          end = time.time()
          print(
              "Dequeued",
              len(res),
              "records in",
              end - start,
              "sec, dequeue fps:",
              len(res) / (end - start),
          )
          print("Initial dequeue completed")
      except Exception:
          print("Dequeue error encountered")
  
      e2e_start = image_enqueue(
          redis_args,
          args.image_num,
          args.proc_num,
          args.image_path,
          encrypt,
      )
      e2e_end, dequeue_num, num_invalid = image_dequeue(
          DB, args.image_num
      )
      num_valid = maximum(dequeue_num - num_invalid, 0)
      duration = e2e_end - e2e_start
      print(
          "Served",
          num_valid,
          "images in",
          duration,
          "sec, e2e throughput is",
          num_valid / duration,
          "images/sec, excluded",
          num_invalid,
          "invalid results",
      )
  
file_path: analytics-zoo/scripts/cluster-serving/perf-benchmark/e2e_throughput.py
imports: from zoo.serving.client import InputQueue, OutputQueue
  from zoo.common.encryption_utils import encrypt_with_AES_GCM
  import os
  import cv2
  import json
  import time
  from optparse import OptionParser
  import base64
  from multiprocessing import Process
  import redis
  import yaml
  import argparse
  from numpy import *
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) without return types