linux下监控某进程的详细信息并持续写入xml中（python）

骑猪看日落 2022-09-18 10:56 67阅读 0赞

# linux下监控某进程的详细信息并持续写入xml中（python） #

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 <td>1.程序采用了xml.dom和xml.etree.ElementTree等模块&nbsp; &nbsp;&nbsp;&nbsp; 2、该脚本实现监控cpu进程的功能，并把监控的结果放入xml文件中。&nbsp; &nbsp;&nbsp;&nbsp; 3、获取cpu信息分别采用了psutil库和读取io文件的方法。&nbsp; &nbsp;&nbsp;&nbsp; 4、当输出xml文件的时候首先判断此文件是否存在，如果存在尽心追加，也就是addWriteXml函数的功能。 5、程序默然情况下是5分钟写一次数据，也可以让用户通过第二个参数进行自定义，同时当用户输入-h的时候显示帮助信息。 &nbsp; &nbsp;1. # -*- coding:utf-8 -*- &nbsp; &nbsp;2. &nbsp; &nbsp;3. import os,time &nbsp; &nbsp;4. &nbsp; &nbsp;5. import sys &nbsp; &nbsp;6. &nbsp; &nbsp;7. import psutil &nbsp; &nbsp;8. &nbsp; &nbsp;9. import codecs &nbsp;&nbsp;10. &nbsp;&nbsp;11. from xml.dom import * &nbsp;&nbsp;12. &nbsp;&nbsp;13. import xml.dom.minidom as minidom &nbsp;&nbsp;14. &nbsp;&nbsp;15. import xml.etree.ElementTree as ET &nbsp;&nbsp;16. &nbsp;&nbsp;17. &nbsp;&nbsp;18. &nbsp;&nbsp;19. class CreateCovXml():&nbsp;&nbsp;#创建xml的类 &nbsp;&nbsp;20. &nbsp;&nbsp;21.&nbsp; &nbsp;&nbsp; &nbsp;def __init__(self,cov_xml_path): &nbsp;&nbsp;22. &nbsp;&nbsp;23.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__cov_path=cov_xml_path &nbsp;&nbsp;24. &nbsp;&nbsp;25.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__dom=None &nbsp;&nbsp;26. &nbsp;&nbsp;27.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__root=None &nbsp;&nbsp;28. &nbsp;&nbsp;29.&nbsp; &nbsp;&nbsp; &nbsp;def _covert_code(self, msg):&nbsp;&nbsp; &nbsp;&nbsp;30. &nbsp;&nbsp;31.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;return msg&nbsp;&nbsp; &nbsp;&nbsp;32. &nbsp;&nbsp;33.&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;34. &nbsp;&nbsp;35.&nbsp; &nbsp;&nbsp; &nbsp;def __create_new_node(self, node_name, node_text = None):&nbsp; &nbsp;#创建节点&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;36. &nbsp;&nbsp;37.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if self.__dom == None:&nbsp;&nbsp; &nbsp;&nbsp;38. &nbsp;&nbsp;39.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; raise Exception,'error' &nbsp;&nbsp;40. &nbsp;&nbsp;41.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if None == node_text:&nbsp;&nbsp; &nbsp;&nbsp;42. &nbsp;&nbsp;43.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; return self.__dom.createElement(self._covert_code(node_name))&nbsp;&nbsp; &nbsp;&nbsp;44. &nbsp;&nbsp;45.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;else:&nbsp;&nbsp; &nbsp;&nbsp;46. &nbsp;&nbsp;47.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; newNode = self.__dom.createElement(self._covert_code(node_name))&nbsp;&nbsp; &nbsp;&nbsp;48. &nbsp;&nbsp;49.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; newText = self.__dom.createTextNode(self._covert_code(node_text))&nbsp;&nbsp; &nbsp;&nbsp;50. &nbsp;&nbsp;51.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; newNode.appendChild(newText)&nbsp;&nbsp; &nbsp;&nbsp;52. &nbsp;&nbsp;53.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; return newNode&nbsp;&nbsp; &nbsp;&nbsp;54. &nbsp;&nbsp;55.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;56. &nbsp;&nbsp;57.&nbsp; &nbsp;&nbsp; &nbsp;def begin_cov(self):&nbsp;&nbsp; &nbsp;&nbsp;58. &nbsp;&nbsp;59.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;try:&nbsp;&nbsp; &nbsp;&nbsp;60. &nbsp;&nbsp;61.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; impl = minidom.getDOMImplementation()&nbsp;&nbsp; &nbsp;&nbsp;62. &nbsp;&nbsp;63.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__dom = impl.createDocument(None, u'coverages', None)&nbsp;&nbsp; &nbsp;&nbsp;64. &nbsp;&nbsp;65.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__root = self.__dom.documentElement&nbsp;&nbsp; &nbsp;&nbsp;66. &nbsp;&nbsp;67.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;except:&nbsp;&nbsp; &nbsp;&nbsp;68. &nbsp;&nbsp;69.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; traceback.print_exc()&nbsp;&nbsp; &nbsp;&nbsp;70. &nbsp;&nbsp;71.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; raise Exception&nbsp;&nbsp; &nbsp;&nbsp;72. &nbsp;&nbsp;73.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;74. &nbsp;&nbsp;75.&nbsp; &nbsp;&nbsp; &nbsp;def add_cov(self, name, pid, rms, vms, cpu, rchar,wchar,read_bytes,write_bytes,pid_tim):&nbsp;&nbsp; &nbsp;&nbsp;76. &nbsp;&nbsp;77.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if self.__root == None:&nbsp;&nbsp; &nbsp;&nbsp;78. &nbsp;&nbsp;79.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; raise Exception &nbsp;&nbsp;80. &nbsp;&nbsp;81.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;82. &nbsp;&nbsp;83.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;name_node = self.__create_new_node("Name", name)&nbsp;&nbsp; &nbsp;&nbsp;84. &nbsp;&nbsp;85.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;pid_node = self.__create_new_node("Pid", pid)&nbsp;&nbsp; &nbsp;&nbsp;86. &nbsp;&nbsp;87.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;rms_line_node = self.__create_new_node("Rms", rms)&nbsp;&nbsp; &nbsp;&nbsp;88. &nbsp;&nbsp;89.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;vms_line_node = self.__create_new_node("Vms", vms)&nbsp;&nbsp; &nbsp;&nbsp;90. &nbsp;&nbsp;91.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cpu_line_node = self.__create_new_node("Cpu", cpu)&nbsp;&nbsp; &nbsp;&nbsp;92. &nbsp;&nbsp;93.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cover_line_node = self.__create_new_node("Rchar", rchar) &nbsp;&nbsp;94. &nbsp;&nbsp;95.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cover_wchar= self.__create_new_node("Wchar", wchar) &nbsp;&nbsp;96. &nbsp;&nbsp;97.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cover_read_bytes = self.__create_new_node("Read_bytes", read_bytes) &nbsp;&nbsp;98. &nbsp;&nbsp;99.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cover_write_bytes = self.__create_new_node("Write_bytes", write_bytes) 100. 101.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;nopid_time= self.__create_new_node("Time", pid_tim) 102. 103.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node = self.__create_new_node("ProcessInfo")&nbsp;&nbsp; 104. 105.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 106. 107.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(name_node)&nbsp;&nbsp; 108. 109.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(pid_node)&nbsp;&nbsp; 110. 111.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(rms_line_node)&nbsp;&nbsp; 112. 113.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(vms_line_node)&nbsp;&nbsp; 114. 115.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(cpu_line_node)&nbsp;&nbsp; 116. 117.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(cover_line_node)&nbsp;&nbsp; 118. 119.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(cover_wchar) 120. 121.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(cover_read_bytes) 122. 123.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(cover_write_bytes) 124. 125.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;new_coverage_node.appendChild(nopid_time) 126. 127.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;self.__root.appendChild(new_coverage_node)&nbsp;&nbsp; 128. 129.&nbsp; &nbsp;&nbsp; &nbsp; 130. 131.&nbsp; &nbsp;&nbsp; &nbsp;def end_cov(self):&nbsp;&nbsp; 132. 133.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;try:&nbsp;&nbsp; 134. 135.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; f = open(self.__cov_path, 'wb')&nbsp;&nbsp; 136. 137.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; writer = codecs.lookup('utf-8')[3](f)&nbsp;&nbsp; 138. 139.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; self.__dom.writexml(writer, encoding='utf-8')&nbsp; &nbsp; 140. 141.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; writer.close()&nbsp;&nbsp; 142. 143.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; f.close()&nbsp;&nbsp; 144. 145.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; return True&nbsp;&nbsp; 146. 147.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;except Exception, err:&nbsp;&nbsp; 148. 149.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; traceback.print_exc()&nbsp; &nbsp; 150. 151.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; raise Exception 152. 153. def getProcessInfo(p): #得到进程的 pid rms vms等信息 154. 155.&nbsp; &nbsp;&nbsp;&nbsp;try: 156. 157.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cpu=int(p.get_cpu_percent(interval=0)) 158. 159.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;rms, vms = p.get_memory_info() 160. 161.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;name = p.name 162. 163.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;pid = p.pid 164. 165.&nbsp; &nbsp;&nbsp;&nbsp;except psutil.error.NoSuchProcess, e: 166. 167.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;name ="error not get name" 168. 169.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;pid = 0 170. 171.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;rms = 0 172. 173.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;vms = 0 174. 175.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;cpu = 0 176. 177.&nbsp; &nbsp;&nbsp;&nbsp;return [name.upper(),pid,rms,vms,cpu] 178. 179. 180. 181. def getProcessIo(pid): #得到进程的io信息 182. 183.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;f=open('/proc/%d/io'% pid) 184. 185.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;a=[] 186. 187.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;lines=f.readlines() 188. 189.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;for line in lines: 190. 191.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;m=line.rstrip().split(':') 192. 193.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;a.append(m[1]) 194. 195.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;f.close() 196. 197.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;return a 198. 199. 200. 201. def shuchu(input,ti=5*60): 202. 203.&nbsp; &nbsp;&nbsp;&nbsp;id=[] 204. 205.&nbsp; &nbsp;&nbsp;&nbsp;for p in psutil.process_iter(): 206. 207.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if p.name.upper()==input.upper(): 208. 209.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;id.append(p.pid) 210. 211.&nbsp; &nbsp;&nbsp;&nbsp;if os.path.isfile('/tmp/cpu2.xml')==False: 212. 213.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;test = CreateCovXml('/tmp/cpu2.xml') 214. 215.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;test.begin_cov() 216. 217.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;while True: 218. 219.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;for p in psutil.process_iter(): 220. 221.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if p.name.upper()==input.upper(): 222. 223.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;id.append(p.pid) 224. 225.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;for i in id: 226. 227.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;p=psutil.Process(i) 228. 229.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;prcIo=getProcessIo(i) 230. 231.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;prcInf=getProcessInfo(p) 232. 233.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;s=time.strftime('%Y-%m-%d %H-%M-%S',time.localtime(time.time())) 234. 235.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;test.add_cov(&nbsp;&nbsp; 236. 237.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; name = prcInf[0],&nbsp;&nbsp; 238. 239.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; pid = str(prcInf[1]),&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; 240. 241.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; rms = str(prcInf[2]), 242. 243.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; vms= str(prcInf[3]), 244. 245.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; cpu = str(prcInf[4]), 246. 247.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; rchar=str(prcIo[0]), 248. 249.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; wchar=str(prcIo[1]), 250. 251.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; read_bytes=str(prcIo[4]), 252. 253.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; write_bytes=str(prcIo[5]), 254. 255.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; pid_tim = s 256. 257.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;) 258. 259.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;time.sleep(ti)&nbsp;&nbsp; 260. 261.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;test.end_cov() 262. 263.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;#print 'endl' 264. 265.&nbsp; &nbsp;&nbsp;&nbsp;else: 266. 267.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;while True: 268. 269.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;for p in psutil.process_iter(): 270. 271.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;if p.name.upper()==input.upper(): 272. 273.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;id.append(p.pid) 274. 275.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;for i in id: 276. 277.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;p=psutil.Process(i) 278. 279.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;prcIo=getProcessIo(i) 280. 281.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;prcInf=getProcessInfo(p) 282. 283.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;addWriteXml(prcInf,prcIo) 284. 285.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;time.sleep(ti) 286. 287.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 288. 289. def addWriteXml(prcInf,prcIo):&nbsp;&nbsp;#追加xml数据 290. 291.&nbsp; &nbsp;&nbsp;&nbsp;xmlHandle=ET.parse('/tmp/cpu2.xml') 292. 293.&nbsp; &nbsp;&nbsp;&nbsp;root=xmlHandle.getroot() 294. 295.&nbsp; &nbsp;&nbsp;&nbsp;processInfo=ET.SubElement(root,'ProcessInfo') 296. 297.&nbsp; &nbsp;&nbsp;&nbsp;nameE=ET.Element('Name') 298. 299.&nbsp; &nbsp;&nbsp;&nbsp;nameE.text=prcInf[0] 300. 301.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(nameE) 302. 303.&nbsp; &nbsp;&nbsp;&nbsp;pidE=ET.Element('Pid') 304. 305.&nbsp; &nbsp;&nbsp;&nbsp;pidE.text=str(prcInf[1]) 306. 307.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(pidE) 308. 309.&nbsp; &nbsp;&nbsp;&nbsp;rmsE=ET.Element('Rms') 310. 311.&nbsp; &nbsp;&nbsp;&nbsp;rmsE.text=str(prcInf[2]) 312. 313.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(rmsE) 314. 315.&nbsp; &nbsp;&nbsp;&nbsp;vmsE=ET.Element('Vms') 316. 317.&nbsp; &nbsp;&nbsp;&nbsp;vmsE.text=str(prcInf[3]) 318. 319.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(vmsE) 320. 321.&nbsp; &nbsp;&nbsp;&nbsp;cpuE=ET.Element('Cpu') 322. 323.&nbsp; &nbsp;&nbsp;&nbsp;cpuE.text=str(prcInf[4]) 324. 325.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(cpuE) 326. 327.&nbsp; &nbsp;&nbsp;&nbsp;rcharE=ET.Element('Rchar') 328. 329.&nbsp; &nbsp;&nbsp;&nbsp;rcharE.text=str(prcIo[0]) 330. 331.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(rcharE) 332. 333.&nbsp; &nbsp;&nbsp;&nbsp;wcharE=ET.Element('Wchar') 334. 335.&nbsp; &nbsp;&nbsp;&nbsp;wcharE.text=str(prcIo[1]) 336. 337.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(wcharE) 338. 339.&nbsp; &nbsp;&nbsp;&nbsp;read_bytesE=ET.Element('Read_bytes') 340. 341.&nbsp; &nbsp;&nbsp;&nbsp;read_bytesE.text=str(prcIo[4]) 342. 343.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(read_bytesE) 344. 345.&nbsp; &nbsp;&nbsp;&nbsp;write_bytesE=ET.Element('Write_bytes') 346. 347.&nbsp; &nbsp;&nbsp;&nbsp;write_bytesE.text=str(prcIo[5]) 348. 349.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(write_bytesE) 350. 351.&nbsp; &nbsp;&nbsp;&nbsp;pid_tim=ET.Element('Time') 352. 353.&nbsp; &nbsp;&nbsp;&nbsp;pid_tim.text=time.strftime('%Y-%m-%d %H-%M-%S',time.localtime(time.time())) 354. 355.&nbsp; &nbsp;&nbsp;&nbsp;processInfo.append(pid_tim) 356. 357.&nbsp; &nbsp;&nbsp;&nbsp;xmlHandle.write('/tmp/cpu2.xml') 358. 359.&nbsp; &nbsp; 360. 361.&nbsp; &nbsp; 362. 363.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 364. 365. def help_cpu(): 366. 367.&nbsp; &nbsp;&nbsp;&nbsp;print """######################### 368. 369.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;-h list help information. 370. 371.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Executive Order python cpu.py name.exe&nbsp;&nbsp; 372. 373.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;Executive Order python cpu.py name.exe&nbsp; &nbsp;Time&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 374. 375.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;time default is 300s 376. 377.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;####################################### 378. 379.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; """ 380. 381.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 382. 383. 384. 385.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; 386. 387. if __name__=="__main__": 388. 389.&nbsp; &nbsp; sum=len(sys.argv) 390. 391.&nbsp; &nbsp; try: 392. 393.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if sum&lt;2: 394. 395.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;help_cpu() 396. 397.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;elif sum==2: 398. 399.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;input=sys.argv[1] 400. 401.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if input=='-h': 402. 403.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;help_cpu() 404. 405.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;else: 406. 407.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;shuchu(input) 408. 409.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;elif&nbsp;&nbsp;sum==3: 410. 411.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;input=sys.argv[1] 412. 413.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;input_Time=int(sys.argv[2]) 414. 415.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;shuchu(input,input_Time) 416. 417.&nbsp; &nbsp; except KeyboardInterrupt: 418. 419.&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp;print 'stopped' 复制代码</td> 
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[Link 1]: http://www.okpython.com/forum.php?mod=viewthread&tid=5566