requests==2.22.0
gevent==20.9.0
numpy==1.19.2

from __future__ import print_function
import time
import gevent
from gevent import monkey
monkey.patch_all()

import requests
from numpy import mean


users = 10 # 用户数
numbers = 100 # 请求次数
req_url = "http://127.0.0.1:8080/user/tom" # 请求URL

print("请求URL: {url}".format(url=req_url))

print("用户数：{}，循环次数: {}".format(users, numbers))

print("============== Running ===================")

pass_number = 0
fail_number = 0

run_time_list = []

def running(url):
  global fail_number
  global pass_number
  for _ in range(numbers):
    start_time = time.time()
    r = requests.get(url)
    if r.status_code == 200:
      pass_number = pass_number + 1
      print(".", end="")
    else:
      fail_number = fail_number + 1
      print("F", end="")

    end_time = time.time()
    run_time = round(end_time - start_time, 4)
    run_time_list.append(run_time)


jobs = [gevent.spawn(running, req_url) for _url in range(users)]
gevent.wait(jobs)

print("\n============== Results ===================")
print("最大:    {} s".format(str(max(run_time_list))))
print("最小:    {} s".format(str(min(run_time_list))))
print("平均:    {} s".format(str(round(mean(run_time_list), 4))))
print("请求成功", pass_number)
print("请求失败", fail_number)
print("============== end ===================")

> python3 ab.py

请求URL: http://127.0.0.1:8080/user/tom
用户数：10，循环次数: 100
============== Running ===================
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
...............................................................................................................
.
============== Results ===================
最大:    0.0352 s
最小:    0.0036 s
平均:    0.0204 s
请求成功 1000
请求失败 0
============== end ===================