python监控进程脚本

本文实例为大家分享了python监控进程脚本的具体代码，供大家参考，具体内容如下

原理：

监控一个指定进程，每隔5秒钟获取其CPU、内存使用量超过60%即kill掉该进程，获取其句柄数，超过300也kill掉该进程

运行环境是windows 64位系统+python 2.7 64位 ，这里需要使用到psutil 类库，要另外安装。脚本里面可以自动安装，前提是你已经下载好了安装包psutil-3.3.0.win-amd64-py2.7.exe

下面看代码：

#!/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) 
   
  #启动程序--4种方法 
  #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' #此处假设主窗口名为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, 'open', fileName, '','',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,None,'下一步(&N) >') #找到按钮 
  button2.SendMessage(win32con.BM_CLICK, 0,-1) 
  button2=win32ui.FindWindowEx(pwin,None,None,'下一步(&N) >') #找到按钮 
  button2.SendMessage(win32con.BM_CLICK, 0,-1) 
  button2=win32ui.FindWindowEx(pwin,None,None,'下一步(&N) >') #找到按钮 
  button2.SendMessage(win32con.BM_CLICK, 0,-1) 
  button2=win32ui.FindWindowEx(pwin,None,None,'完成') #找到按钮 
  button2.SendMessage(win32con.BM_CLICK, 0,-1) 
  print("install done...") 
 
 
  # 鼠标点击 
  #print("click...") 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0,0) 
  #time.sleep(0.1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTUP,0,0) 
  #time.sleep(1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0,0) 
  #time.sleep(0.1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTUP,0,0) 
  #time.sleep(1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0,0) 
  #time.sleep(0.1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTUP,0,0) 
  #time.sleep(1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,0,0) 
  #time.sleep(0.1) 
  #win32api.mouse_event(win32con.MOUSEEVENTF_LEFTUP,0,0) 
   
 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: 
<span style="white-space:pre">   </span># return if found one 
   if proc.name().lower() == pname.lower():<span style="white-space:pre">   </span> 
    return proc<span style="white-space:pre">    </span> 
  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内容，希望对大家的学习有所帮助，也希望大家多多支持三水点靠木。