{"id":10006372,"date":"2022-09-01T13:05:01","date_gmt":"2022-09-01T05:05:01","guid":{"rendered":"https:\/\/ityet.com\/?p=10006372"},"modified":"2022-09-01T13:05:01","modified_gmt":"2022-09-01T05:05:01","slug":"%e5%b9%b6%e5%8f%91%e7%bc%96%e7%a8%8bbug%e8%b5%b7%e6%ba%90%ef%bc%9a%e5%8f%af%e8%a7%81%e6%80%a7%e3%80%81%e6%9c%89%e5%ba%8f%e6%80%a7%e5%92%8c%e5%8e%9f%e5%ad%90%e6%80%a7%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006372","title":{"rendered":"\u5e76\u53d1\u7f16\u7a0bBug\u8d77\u6e90\uff1a\u53ef\u89c1\u6027\u3001\u6709\u5e8f\u6027\u548c\u539f\u5b50\u6027\u95ee\u9898"},"content":{"rendered":"

\u4ee5\u524d\u53e4\u8001\u7684DOS<\/code>\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u5355\u8fdb\u884c\u7684\u7cfb\u7edf\u3002\u7cfb\u7edf\u6bcf\u6b21\u53ea\u80fd\u505a\u4e00\u4ef6\u4e8b\u60c5\uff0c\u5b8c\u6210\u4e86\u4e00\u4e2a\u4efb\u52a1\u624d\u80fd\u7ee7\u7eed\u4e0b\u4e00\u4e2a\u4efb\u52a1\u3002\u6bcf\u6b21\u53ea\u80fd\u505a\u4e00\u4ef6\u4e8b\u60c5\uff0c\u6bd4\u5982\u5728\u542c\u6b4c\u7684\u65f6\u5019\u4e0d\u80fd\u6253\u5f00\u7f51\u9875\u3002\u6240\u6709\u7684\u4efb\u52a1\u64cd\u4f5c\u90fd\u6309\u7167\u4e32\u884c\u7684\u65b9\u5f0f\u4f9d\u6b21\u6267\u884c\u3002<\/p>\n

\"image.png\"<\/p>\n

\u8fd9\u7c7b\u670d\u52a1\u5668\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\uff0c\u7b49\u5f85\u64cd\u4f5c\u7684\u8fc7\u957f\uff0c\u65e0\u6cd5\u540c\u65f6\u64cd\u4f5c\u591a\u4e2a\u4efb\u52a1\uff0c\u6267\u884c\u6548\u7387\u5f88\u5dee\u3002<\/p><\/blockquote>\n

\u73b0\u5728\u7684\u64cd\u4f5c\u7cfb\u7edf\u90fd\u662f\u591a\u4efb\u52a1\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6bd4\u5982\u542c\u6b4c\u7684\u65f6\u5019\u53ef\u4ee5\u505a\u6253\u5f00\u7f51\u9875\uff0c\u8fd8\u80fd\u6253\u5f00\u5fae\u4fe1\u548c\u670b\u53cb\u804a\u5929\u3002\u8fd9\u51e0\u4e2a\u4efb\u52a1\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\uff0c\u5927\u5927\u589e\u52a0\u6267\u884c\u6548\u7387\u3002<\/p>\n

\u5e76\u53d1\u63d0\u9ad8\u6548\u7387<\/h2>\n

\u4e00\u4e2a\u5b8c\u6574\u670d\u52a1\u5668\uff0c\u90fd\u6709CPU<\/code>\u3001\u5185\u5b58<\/code>\u3001IO<\/code>,\u4e09\u8005\u4e4b\u95f4\u7684\u8fd0\u884c\u901f\u5ea6\u5b58\u5728\u660e\u663e\u7684\u5dee\u5f02:<\/p>\n

    \n
  • CPU<\/code>\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u6267\u884c\u6307\u4ee4\u4ee5\u53ca\u8bfb\u53d6CPU<\/code>\u7f13\u5b58\u7b49\u64cd\u4f5c\uff0c\u57fa\u672c\u90fd\u662f\u7eb3\u79d2<\/code>\u7ea7\u522b\u7684\u3002<\/li>\n
  • CPU<\/code>\u8bfb\u53d6\u5185\u5b58\uff0c\u8017\u65f6\u662fCPU<\/code>\u76f8\u5173\u64cd\u4f5c\u7684\u5343\u500d<\/strong>\uff0c\u57fa\u672c\u90fd\u662f\u5fae\u79d2<\/code>\u7ea7\u522b\u3002CPU<\/code>\u548c\u5185\u5b58\u4e4b\u95f4\u7684\u901f\u5ea6\u5dee\u5f02\u3002<\/li>\n
  • IO<\/code>\u64cd\u4f5c\u57fa\u672c\u662f\u6beb\u79d2\u7684\u7ea7\u522b\uff0c\u662f\u5185\u5b58\u64cd\u4f5c\u7684\u5343\u500d\uff0c\u5185\u5b58<\/code>\u548cIO<\/code>\u4e4b\u95f4\u5b58\u5728\u901f\u5ea6\u7684\u5dee\u5f02\u3002<\/li>\n<\/ul>\n

    CPU -> \u5185\u5b58 -> SSD -> \u78c1\u76d8 -> \u7f51\u7edc
    \u7eb3\u79d2 -> \u5fae\u79d2 -> \u6beb\u79d2 -> \u6beb\u79d2 -> \u79d2<\/p><\/blockquote>\n

    \u7a0b\u5e8f\u4e2d\u5927\u90e8\u5206\u7684\u8bed\u53e5\u90fd\u8981\u8bbf\u95ee\u5185\u5b58\uff0c\u6709\u4e9b\u8fd8\u8981\u8bbf\u95ee\u7684IO<\/code>\u8bfb\u5199\u3002\u4e3a\u4e86\u5408\u7406\u7684\u5229\u7528CPU<\/code>\u7684\u9ad8\u6027\u80fd\uff0c\u9ad8\u6548\u7684\u5e73\u8861\u4e09\u8005\u7684\u901f\u5ea6\u5dee\u5f02\uff0c\u64cd\u4f5c\u7cfb\u7edf\u3001\u7f16\u8bd1\u5668\u4e3b\u8981\u505a\u4e86\u4ee5\u4e0b\u6539\u8fdb\uff1a<\/p>\n

      \n
    • CPU<\/code>\u589e\u52a0\u4e86CPU\u7f13\u5b58<\/code>\uff0c\u7528\u6765\u5747\u8861CPU<\/code>\u548c\u5185\u5b58<\/code>\u7684\u901f\u5ea6\u5dee\u5f02\u3002<\/li>\n
    • \u64cd\u4f5c\u7cfb\u7edf\u589e\u52a0\u4e86\u591a\u8fdb\u7a0b\u3001\u591a\u7ebf\u7a0b\uff0c\u7528\u6765\u5206\u65f6\u590d\u7528CPU<\/code>,\u4ece\u800c\u5747\u8861CPU<\/code>\u4e0eIO<\/code>\u8bbe\u5907\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/li>\n
    • \u7f16\u8bd1\u4f18\u5316\u7a0b\u5e8f\u6267\u884c\u987a\u5e8f\uff0c\u5145\u5206\u5229\u7528\u7f13\u5b58\u3002<\/li>\n<\/ul>\n

      \u505a\u4e86\u4ee5\u4e0a\u64cd\u4f5c\u4e4b\u540e\uff0cCPU<\/code>\u8bfb\u53d6\u6216\u8005\u4fee\u6539\u6570\u636e\u4e4b\u540e\uff0c\u5c06\u6570\u636e\u7f13\u5b58\u5728CPU\u7f13\u5b58<\/code>\u4e2d\uff0cCPU<\/code>\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u4ece\u5185\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u6781\u5927\u7684\u63d0\u9ad8\u4e86CPU<\/code>\u7684\u8fd0\u884c\u901f\u5ea6\u3002\u591a\u7ebf\u7a0b\u662f\u5c06\u65f6\u95f4\u6bb5\u5207\u6210\u4e00\u4e2a\u4e2a\u5c0f\u6bb5\uff0c\u591a\u4e2a\u7ebf\u7a0b\u5728\u4e0a\u4e0b\u6587\u5207\u6362\u4e2d\uff0c\u6267\u884c\u5b8c\u4efb\u52a1\uff0c\u800c\u4e0d\u7528\u7b49\u524d\u9762\u7684\u7ebf\u7a0b\u90fd\u6267\u884c\u5b8c\u6bd5\u4e4b\u540e\u518d\u6267\u884c\u3002\u6bd4\u5982\u505a\u4e00\u4e2a\u8ba1\u7b97\uff0cCPU<\/code>\u8017\u65f61<\/code>\u7eb3\u79d2,\u800c\u4ece\u5185\u5b58\u8bfb\u53d6\u6570\u636e\u89811<\/code>\u5fae\u79d2\uff0c\u6ca1\u6709\u591a\u7ebf\u7a0b\u7684\u8bdd,N<\/code>\u4e2a\u7ebf\u7a0b\u8981\u8017\u65f6N\u5fae\u79d2<\/code>\uff0c\u6b64\u65f6CPU<\/code>\u9ad8\u6548\u6027\u5c31\u65e0\u6cd5\u4f53\u73b0\u51fa\u6765\u3002\u6709\u4e86\u591a\u7ebf\u7a0b\u4e4b\u540e\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06CPU<\/code>\u65f6\u95f4\u6bb5\u5207\u6210\u4e00\u4e2a\u4e00\u4e2a\u5c0f\u6bb5\uff0c\u591a\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u5207\u6362\uff0c\u7ebf\u7a0b\u6267\u884c\u8ba1\u7b97\u64cd\u4f5c\uff0c\u65e0\u9700\u7b49\u5f85\u5185\u5b58\u8bfb\u53d6\u64cd\u4f5c<\/code>\u3002<\/p>\n

      \u867d\u7136\u5e76\u53d1\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\uff0c\u4f46\u662f\u51e1\u4e8b\u6709\u5229\u4e5f\u6709\u5f0a\uff0c\u5e76\u53d1\u7a0b\u5e8f\u4e5f\u6709\u5f88\u591a\u8be1\u5f02\u7684bug<\/code>,\u6839\u6e90\u6709\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\u3002<\/p>\n

      \u7f13\u5b58\u5bfc\u81f4\u53ef\u89c1\u6027\u95ee\u9898<\/h2>\n

      \u4e00\u4e2a\u7ebf\u7a0b\u5bf9\u5171\u4eab\u53d8\u91cf\u7684\u4fee\u6539\uff0c\u53e6\u5916\u7ebf\u7a0b\u80fd\u7acb\u523b\u770b\u5230\uff0c\u79f0\u4e3a\u53ef\u89c1\u6027<\/strong>\u3002<\/p>\n

      \u5728\u5355\u6838\u65f6\u4ee3\uff0c\u6240\u6709\u7684\u7ebf\u7a0b\u90fd\u662f\u5728\u540c\u4e00\u4e2aCPU<\/code>\u4e0a\u8fd0\u884c\uff0c\u6240\u6709\u7684\u7ebf\u7a0b\u90fd\u662f\u64cd\u4f5c\u540c\u4e00\u4e2a\u7ebf\u7a0b\u7684CPU\u7f13\u5b58<\/code>\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u4fee\u6539\u7f13\u5b58\uff0c\u5bf9\u53e6\u5916\u4e00\u4e2a\u7ebf\u7a0b\u6765\u8bf4\u4e00\u5b9a\u662f\u53ef\u89c1\u7684\u3002\u6bd4\u5982\u5728\u4e0b\u56fe\u4e2d\uff0c\u7ebf\u7a0bA<\/code>\u548c\u7ebf\u7a0bB<\/code>\u90fd\u662f\u64cd\u4f5c\u540c\u4e00\u4e2aCPU\u7f13\u5b58<\/code>\uff0c\u6240\u4ee5\u7ebf\u7a0bA<\/code>\u66f4\u65b0\u4e86\u53d8\u91cfV<\/code>\u7684\u503c\uff0c\u7ebf\u7a0bB<\/code>\u518d\u8bbf\u95ee\u53d8\u91cfV<\/code>\u7684\u503c\uff0c\u83b7\u53d6\u7684\u4e00\u5b9a\u662fV<\/code>\u7684\u6700\u65b0\u503c\u3002\u6240\u4ee5\u53d8\u91cfV<\/code>\u5bf9\u7ebf\u7a0b\u90fd\u662f\u53ef\u89c1\u7684<\/strong>\u3002<\/p>\n

      \"image.png\"<\/p>\n

      \u5728\u591a\u6838CPU<\/code>\u4e0b\uff0c\u6bcf\u4e2aCPU<\/code>\u90fd\u6709\u81ea\u5df1\u7684\u7f13\u5b58\u3002\u5f53\u591a\u4e2a\u7ebf\u7a0b\u6267\u884c\u5728\u4e0d\u540c\u7684CPU<\/code>\u65f6\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u7684\u64cd\u4f5c\u4e5f\u662f\u5728\u5bf9\u5e94\u7684CPU\u7f13\u5b58<\/code>\u4e0a\u3002\u8fd9\u65f6\u5019\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898\u4e86\uff0c\u5728\u4e0b\u56fe\u4e2d\uff0c\u7ebf\u7a0bA<\/code>\u8fd0\u884c\u5728CPU_1<\/code>\u4e0a\uff0c\u9996\u5148\u4eceCPU_1<\/code>\u7f13\u5b58\u83b7\u53d6\u53d8\u91cfV<\/code>\uff0c\u83b7\u53d6\u4e0d\u5230\u5c31\u83b7\u53d6\u5185\u5b58\u7684\u503c\uff0c\u7136\u540e\u64cd\u4f5c\u53d8\u91cfV<\/code>\u3002\u7ebf\u7a0bB<\/code>\u4e5f\u662f\u540c\u6837\u7684\u65b9\u5f0f\u5728CPU_2<\/code>\u7f13\u5b58\u4e2d\u83b7\u53d6\u53d8\u91cfV<\/code>\u3002<\/p>\n

      \u7ebf\u7a0bA<\/code>\u64cd\u4f5c\u7684\u662fCPU_1<\/code>\u7684\u7f13\u5b58\uff0c\u7ebf\u7a0bB<\/code>\u64cd\u4f5c\u7684\u662fCPU_2<\/code>\u7684\u7f13\u5b58\uff0c\u6b64\u65f6\u7ebf\u7a0bA<\/code>\u5bf9\u53d8\u91cfV<\/code>\u7684\u64cd\u4f5c\u5bf9\u4e8e\u7ebf\u7a0bB<\/code>\u662f\u4e0d\u53ef\u89c1\u7684<\/strong>\u3002\u591a\u6838CPU\u4e00\u65b9\u9762\u63d0\u9ad8\u4e86\u8fd0\u884c\u901f\u5ea6\uff0c\u4f46\u662f\u53e6\u4e00\u65b9\u9762\u4e5f\u53ef\u80fd\u4f1a\u9020\u6210\u7ebf\u7a0b\u4e0d\u5b89\u5168<\/strong>\u7684\u95ee\u9898\u3002<\/p>\n

      \"image.png\"<\/p>\n

      \u4e0b\u9762\u4f7f\u7528\u4e00\u6bb5\u4ee3\u7801\u6765\u6d4b\u8bd5\u591a\u6838\u573a\u666f\u4e0b\u7684\u53ef\u89c1\u6027\u3002\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u7d2f\u52a0\u7684\u65b9\u6cd5add10k<\/code>\u65b9\u6cd5\uff0c\u5faa\u73af10000<\/code>\u6b21count+=1<\/code>\u7684\u64cd\u4f5c\u3002\u7136\u540e\u5728test<\/code>\u65b9\u6cd5\u91cc\u9762\u521b\u5efa\u4e24\u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u8c03\u7528add10k<\/code>\u65b9\u6cd5\uff0c\u7ed3\u679c\u662f\u591a\u5c11\u5462\uff1f<\/p>\n

      public class VisibilityTest {\n\n    private  static int count = 0;\n\n    private void add10k() {\n        int index = 0;\n        while (index++ < 10000) {\n            count += 1;\n        }\n    }\n\n    @Test\n    public void test() throws InterruptedException {\n        VisibilityTest test = new VisibilityTest();\n        Thread thread1 = new Thread(() -> test.add10k());\n        Thread thread2 = new Thread(() -> test.add10k());\n        \/\/ \u542f\u52a8\u4e24\u4e2a\u7ebf\u7a0b\n        thread1.start();\n        thread2.start();\n        \/\/ \u7b49\u5f85\u4e24\u4e2a\u7ebf\u7a0b\u6267\u884c\u7ed3\u675f\n        thread1.join();\n        thread2.join();\n        System.out.println(count);\n    }\n}<\/code><\/pre>\n
      \u6309\u7167\u76f4\u89c9\u6765\u8bf4\u7ed3\u679c\u662f20000<\/code>,\u56e0\u4e3a\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u7d2f\u52a010000<\/code>,\u4e24\u4e2a\u7ebf\u7a0b\u5c31\u662f20000<\/code>\u3002\u4f46\u662f\u5b9e\u9645\u7ed3\u679c\u662f\u4ecb\u4e8e10000~20000<\/code>\u7684\u4e4b\u95f4\uff0c\u6bcf\u6b21\u6267\u884c\u7ed3\u679c\u90fd\u662f\u8fd9\u4e2a\u8303\u56f4\u5185\u7684\u968f\u673a\u6570\u3002<\/p>\n
      \u56e0\u4e3a\u7ebf\u7a0bA\u548c\u7ebf\u7a0bB\u540c\u65f6\u5f00\u59cb\u6267\u884c\uff0c\u7b2c\u4e00\u6b21\u90fd\u4f1a\u5c06count=0<\/code>\u7f13\u5b58\u5230\u81ea\u5df1\u7684CPU\u7f13\u5b58<\/code>\u4e2d\uff0c\u6267\u884c\u5b8ccount += 1<\/code>\u4e4b\u540e\uff0c\u5199\u5165\u81ea\u5df1\u5bf9\u5e94\u7684CPU\u7f13\u5b58<\/code>\u4e2d\uff0c\u540c\u65f6\u5199\u5165\u5185\u5b58\u4e2d\uff0c\u6b64\u65f6\u5185\u5b58\u4e2d\u7684\u6570\u662f1<\/code>\uff0c\u800c\u4e0d\u662f\u671f\u671b\u76842<\/code>\u3002\u4e4b\u540eCPU<\/code>\u518d\u53d6\u5230\u81ea\u5df1\u7684CPU\u7f13\u5b58<\/code>\u518d\u8fdb\u884c\u8ba1\u7b97\uff0c\u6700\u540e\u8ba1\u7b97\u51fa\u6765\u7684count<\/code>\u503c\u90fd\u662f\u5c0f\u4e8e20000<\/code>,\u8fd9\u5c31\u662f\u7f13\u5b58\u7684\u53ef\u89c1\u6027\u95ee\u9898\u3002<\/p>\n
      \u7ebf\u7a0b\u5207\u6362\u5e26\u6765\u7684\u539f\u5b50\u6027\u95ee\u9898<\/h2>\n
      \u4e0a\u9762\u63d0\u5230\uff0c\u7531\u4e8eCPU<\/code>\u3001\u5185\u5b58<\/code>\u3001IO<\/code>\u4e4b\u95f4\u7684\u901f\u5ea6\u5b58\u5728\u5f88\u5927\u7684\u5dee\u5f02\uff0c\u5728\u5355\u8fdb\u7a0b\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u7b49\u901f\u5ea6\u6700\u6162\u7684IO<\/code>\u64cd\u4f5c\u5b8c\u6210\u4e4b\u540e\uff0c\u624d\u80fd\u63a5\u7740\u5b8c\u6210\u4e0b\u4e00\u4e2a\u4efb\u52a1\uff0cCPU<\/code>\u7684\u9ad8\u6027\u80fd\u4e5f\u65e0\u6cd5\u4f53\u73b0\u51fa\u6765\u3002\u4f46\u64cd\u4f5c\u7cfb\u7edf\u6709\u4e86\u591a\u8fdb\u7a0b\u4e4b\u540e\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06CPU<\/code>\u5207\u6210\u4e00\u4e2a\u4e00\u4e2a\u5c0f\u7247\u6bb5\uff0c\u5728\u4e0d\u540c\u7684\u65f6\u95f4\u7247\u6bb5\u5185\u6267\u884c\u4e0d\u540c\u7684\u8fdb\u7a0b\u7684\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85\u901f\u5ea6\u6162\u7684IO<\/code>\u64cd\u4f5c\uff0c\u5728\u5355\u6838\u6216\u8005\u591a\u6838\u7684CPU<\/code>\u4e0a\u53ef\u4ee5\u4e00\u8fb9\u7684\u542c\u6b4c\uff0c\u4e00\u8fb9\u7684\u804a\u5929\u3002<\/p>\n
      \u64cd\u4f5c\u7cfb\u7edf\u5c06\u65f6\u95f4\u5207\u6210\u5f88\u5c0f\u7247\uff0c\u6bd4\u4f8b20<\/code>\u6beb\u79d2,\u5f00\u59cb\u768420<\/code>\u6beb\u79d2\u6267\u884c\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4e0b\u4e00\u4e2a20<\/code>\u6beb\u79d2\u5207\u6362\u6267\u884c\u53e6\u5916\u4e00\u4e2a\u7ebf\u7a0b\uff0c20<\/code>\u6beb\u79d2\u6210\u4e3a\u65f6\u95f4\u7247<\/code>,\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
      \"\"<\/p>\n
      \u7ebf\u7a0bA<\/code>\u548c\u7ebf\u7a0bB<\/code>\u6765\u56de\u7684\u5207\u6362\u4efb\u52a1\u3002<\/p>\n
      \u5982\u679c\u4e00\u4e2a\u8fdb\u884cIO<\/code>\u64cd\u4f5c\uff0c\u4f8b\u5982\u8bfb\u53d6\u6587\u4ef6\uff0c\u8fd9\u4e2a\u65f6\u5019\u8be5\u8fdb\u7a0b\u5c31\u628a\u81ea\u5df1\u6807\u8bb0\u4e3a\u4f11\u7720\u72b6\u6001<\/code>\u5e76\u8ba9\u51faCPU<\/code>\u7684\u4f7f\u7528\u6743\uff0c\u7b49\u5b8c\u6210IO<\/code>\u64cd\u4f5c\u4e4b\u540e\uff0c\u53c8\u9700\u8981\u4f7f\u7528CPU<\/code>\u65f6\u53c8\u4f1a\u628a\u4f11\u7720\u7684\u8fdb\u7a0b\u5524\u9192\uff0c\u5524\u9192\u7684\u8fdb\u7a0b\u5c31\u53ef\u4ee5\u7b49\u5f85CPU<\/code>\u7684\u8c03\u7528\u4e86\u3002\u8ba9\u51faCPU<\/code>\u7684\u4f7f\u7528\u6743\u4e4b\u540e\uff0cCPU<\/code>\u5c31\u53ef\u4ee5\u5bf9\u5176\u4ed6\u8fdb\u7a0b\u8fdb\u884c\u64cd\u4f5c\uff0c\u8fd9\u6837CPU<\/code>\u7684\u4f7f\u7528\u7387\u5c31\u63d0\u9ad8\u4e0a\u4e86\uff0c\u7cfb\u7edf\u6574\u4f53\u7684\u8fd0\u884c\u901f\u5ea6\u4e5f\u5feb\u4e86\u5f88\u591a\u3002<\/p>\n
      \u5e76\u53d1\u7a0b\u5e8f\u5927\u591a\u6570\u90fd\u662f\u57fa\u4e8e\u591a\u7ebf\u7a0b\u7684\uff0c\u4e5f\u4f1a\u6d89\u53ca\u5230\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u7684\u5207\u6362<\/strong>\uff0c\u7ebf\u7a0b\u7684\u5207\u6362\u90fd\u662f\u5728\u5f88\u77ed\u7684\u65f6\u95f4\u7247\u6bb5\u5185\u5b8c\u6210\u7684\u3002\u6bd4\u5982\u4e0a\u9762\u4ee3\u7801\u4e2dcount += 1<\/code>\u867d\u7136\u6709\u4e00\u884c\u8bed\u53e5\uff0c\u4f46\u8fd9\u91cc\u9762\u5c31\u6709\u4e09\u6761CPU<\/code>\u6307\u4ee4\u3002<\/p>\n