python 使用多线程进行压力测试
#coding=utf-8
import urllib2
import threading
import time
TOTAL = 0 #总数
SUCC = 0 #响应成功数
FAIL = 0 #响应失败数
EXCEPT = 0 #响应异常数
MAXTIME=0 #最大响应时间
MINTIME=100 #最小响应时间，初始值为100秒
# 子类化Thread
class Mythread(threading.Thread):
def __init__(self, func, args, name=''):
threading.Thread.__init__(self)
self.name = name
self.func = func
self.args = args
def getResult(self):
return self.res
def run(self):
self.res = apply(self.func, self.args)
def request_url(url, r):
global TOTAL
global SUCC
global FAIL
global EXCEPT
try:
st = time.time()
res = urllib2.urlopen(url)
status = res.getcode()
if status == 200:
TOTAL+=1
SUCC+=1
else:
TOTAL+=1
FAIL+=1
time_span = time.time()-st
maxtime(time_span)
self.mintime(time_span)
except Exception, e:
TOTAL+=1
EXCEPT+=1
def maxtime(ts):
global MAXTIME
if ts>MAXTIME:
MAXTIME=ts
def mintime(ts):
global MINTIME
if ts<MINTIME:
MINTIME=ts
def main():
print '===========task start==========='
# 开始的时间
start_time = time.time()
# 并发的线程数
thread_count = 100
i = 0
while i <= thread_count:
t = Mythread(request_url, ("http://www.baidu.com", "x"))
t.start()
i += 1
t=0
#并发数所有都完成或大于20秒就结束
while TOTAL<thread_count|t>2:
print "total:%d,succ:%d,fail:%d,except:%d\n"%(TOTAL,SUCC,FAIL,EXCEPT)
t+=1
time.sleep(1)
print '===========task end==========='
print "total:%d,succ:%d,fail:%d,except:%d"%(TOTAL,SUCC,FAIL,EXCEPT)
print 'response maxtime:',MAXTIME
print 'response mintime',MINTIME
s = raw_input("Press any key")
print "bay!"
pass
if __name__ == "__main__":
main()
文章内容来源：
http://www.runoob.com/python/python-multithreading.html
