本文實例為大家分享了python監控進程腳本的具體代碼，供大家參考，具體內容如下

原理：

監控一個指定進程，每隔5秒鐘獲取其CPU、內存使用量超過60%即kill掉該進程，獲取其句柄數，超過300也kill掉該進程

運行環境是windows 64位系統+python 2.7 64位 ，這里需要使用到psutil 類庫，要另外安裝。腳本里面可以自動安裝，前提是你已經下載好了安裝包psutil-3.3.0.win-amd64-py2.7.exe

下面看代碼：

#!/usr/bin/env python

# -*- coding:utf-8 -*-

import time

from datetime import date,datetime,timedelta

import platform

import os

import win32ui,win32api,win32con,win32gui

import subprocess

def install():

print("install psutil...")

sysstr = platform.system()

if(sysstr =="Windows"):

print ("Call Windows tasks")

bit,type=platform.architecture()

print ("os bit: %s " % bit)

#print ("os type: %s " % type)

if(bit == "64bit"):

fileName="psutil-3.3.0.win-amd64-py2.7.exe";

else:

fileName="psutil-3.3.0.win32-py2.7.exe";

print("will install the file [%s]" % fileName)

#啟動程序--4種方法

#subprocess.Popen(fileName); #非阻塞

#subprocess.Popen(fileName).wati(); #阻塞

#os.system(fileName); #阻塞

#win32api.ShellExecute(0,'open',fileName,'',0)

label = 'Setup' #此處假設主窗口名為tt

hld = win32gui.FindWindow(None,label)

count=0

while (hld == 0 and count<20):

print("the setup is no running,will run it...")

count += 1

win32api.ShellExecute(0,0)

print("sleep 1 seconds...")

time.sleep(0.5)

#wnd = win32ui.GetForegroundWindow()

#print wnd.GetWindowText()

hld = win32gui.FindWindow(None,label)

print("hld is %s" % hld)

pwin=win32ui.FindWindow(None,label)

print("pwin is %s" % pwin)

print pwin.GetWindowText()

print("click...")

button2=win32ui.FindWindowEx(pwin,None,'下一步(&N) >') #找到按鈕

button2.SendMessage(win32con.BM_CLICK,-1)

button2=win32ui.FindWindowEx(pwin,'完成') #找到按鈕

button2.SendMessage(win32con.BM_CLICK,-1)

print("install done...")

# 鼠標點擊

#print("click...")

#win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0)

#time.sleep(0.1)

#win32api.mouse_event(win32con.MOUSEEVENTF_LEFTUP,0)

#time.sleep(1)

#win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0)

elif(sysstr == "Linux"):

print ("Call Linux tasks")

else:

print ("Other System tasks")

try:

print("import psutil...")

import psutil

except Exception,e:

print Exception,":",e

install()

import psutil

def get_proc_by_id(pid):

return psutil.Process(pid)

def get_proc_by_name(pname):

""" get process by name

return the first process if there are more than one

"""

for proc in psutil.process_iter():

try:

# return if found one

if proc.name().lower() == pname.lower():

return proc

except psutil.AccessDenied:

pass

except psutil.NoSuchProcess:

pass

return None

def getProcess(pname,day=0,hour=0,min=0,second=0):

# Init time

now = datetime.now()

strnow = now.strftime('%Y-%m-%d %H:%M:%S')

print "now:",strnow

# First next run time

period = timedelta(days=day,hours=hour,minutes=min,seconds=second)

next_time = now + period

strnext_time = next_time.strftime('%Y-%m-%d %H:%M:%S')

print "next run time:",strnext_time

while True:

# Get system current time

iter_now = datetime.now()

iter_now_time = iter_now.strftime('%Y-%m-%d %H:%M:%S')

if str(iter_now_time) == str(strnext_time):

next_time = iter_now + period

strnext_time = next_time.strftime('%Y-%m-%d %H:%M:%S')

print "next run time:",strnext_time

try:

Process=get_proc_by_name(pname)

except Exception,e:

print Exception,e

if Process != None :

print "-------Found the process : %s" % Process.name();

print("pid is (%s)" % Process.pid);

Cpu_usage = Process.cpu_percent(interval=1)

print("cpu percent is (%s)" % Cpu_usage);

if (100-Cpu_usage) < 0.1 :

print "cpu percent larger 60,now will terminate this process !";

Process.terminate();

Process.wait(timeout=3);

continue

RAM_percent = Process.memory_percent()

print("memory percent is (%s)" % RAM_percent);

if (60-RAM_percent) < 0.1 :

print "memory percent larger 60,now will terminate this process !";

Process.terminate();

Process.wait(timeout=3);

continue

all_files = list(Process.open_files());

print("open files size is (%d)" % len(all_files));

if (len(all_files)>300) :

print "open files size larger 300,now will terminate this process !";

Process.terminate();

Process.wait(timeout=3);

continue

Threads_Num=Process.num_threads()

print("threads number is (%s)" % Threads_Num);

if (Threads_Num>200) :

print "threads number larger 200,now will terminate this process !";

Process.terminate();

Process.wait(timeout=3);

continue

else :

print "-------No found the process : %s" % pname;

continue

if __name__ == '__main__':

print("main....")

getProcess("QQ.exe",second=5)

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持編程小技巧。

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