{"id":51504,"date":"2024-12-03T12:48:10","date_gmt":"2024-12-03T04:48:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51504\/"},"modified":"2024-12-03T12:48:10","modified_gmt":"2024-12-03T04:48:10","slug":"%e6%8e%a2%e7%a9%b6linux%e7%b3%bb%e7%bb%9f%e4%b8%adcpu%e3%80%81sys%e7%ad%89%e8%b5%84%e6%ba%90%e5%8d%a0%e7%94%a8%e5%bc%82%e5%b8%b8%e7%9a%84%e6%a0%b9%e6%ba%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51504\/","title":{"rendered":"\u63a2\u7a76Linux\u7cfb\u7edf\u4e2dCPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u6839\u6e90"},"content":{"rendered":"

<\/b> <\/p>\n

\u63a2\u7a76Linux\u7cfb\u7edf\u4e2dCPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u6839\u6e90<\/h1>\n

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\u5728\u4f7f\u7528Linux\u64cd\u4f5c\u7cfb\u7edf\u8fc7\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230CPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u60c5\u51b5\uff0c\u8fd9\u7ed9\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u5e26\u6765\u4e86\u6311\u6218\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e9b\u5f02\u5e38\u5360\u7528\u7684\u539f\u56e0\uff0c\u6211\u4eec\u9700\u8981\u6df1\u5165\u7814\u7a76\u76f8\u5e94\u7684\u539f\u7406\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u63cf\u8ff0\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u8bf4\u660e\u5728Linux\u4e2d\u53ef\u80fd\u4f1a\u5bfc\u81f4CPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u539f\u56e0\u3002<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0ctop<\/code>\u547d\u4ee4\u662f\u4e00\u4e2a\u5e38\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u52a8\u6001\u5c55\u793a\u7cfb\u7edf\u7684\u8d44\u6e90\u5360\u7528\u60c5\u51b5\u3002\u901a\u8fc7\u89c2\u5bdftop<\/code>\u547d\u4ee4\u7684\u8f93\u51fa\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5404\u4e2a\u8fdb\u7a0b\u5360\u7528CPU\u3001Sys\u7b49\u8d44\u6e90\u7684\u60c5\u51b5\u3002\u4e0b\u9762\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684Python\u7a0b\u5e8f\u4e3a\u4f8b\uff0c\u6765\u6f14\u793a\u4e00\u4e2a\u53ef\u80fd\u5bfc\u81f4\u5f02\u5e38\u8d44\u6e90\u5360\u7528\u7684\u60c5\u51b5\u3002<\/p>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aPython\u7a0b\u5e8fresource_hog.py<\/code>\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

# resource_hog.py\n\nimport time\n\ndef main():\n    while True:\n        for i in range(1000000):\n            pass\n        time.sleep(1)\n\nif __name__ == \"__main__\":\n    main()<\/pre>\n
\u8fd9\u4e2a\u7a0b\u5e8f\u975e\u5e38\u7b80\u5355\uff0c\u5b83\u4f1a\u4e0d\u65ad\u5730\u5728\u5faa\u73af\u4e2d\u6267\u884c\u4e00\u6bb5\u7a7a\u64cd\u4f5c\uff0c\u5e76\u4e14\u6bcf\u9694\u4e00\u79d2\u949f\u8fdb\u884c\u4e00\u6b21\u4f11\u7720\u3002\u867d\u7136\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u4f46\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4CPU\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u60c5\u51b5\u3002\u5f53\u6211\u4eec\u8fd0\u884c\u8fd9\u4e2a\u7a0b\u5e8f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528top<\/code>\u547d\u4ee4\u89c2\u5bdf\u7cfb\u7edf\u8d44\u6e90\u7684\u53d8\u5316\u3002<\/p>\n
\u901a\u8fc7\u89c2\u5bdftop<\/code>\u547d\u4ee4\u7684\u8f93\u51fa\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u7a0b\u5e8fresource_hog.py<\/code>\u5360\u7528\u4e86\u5927\u91cf\u7684CPU\u8d44\u6e90\uff0c\u5bfc\u81f4\u7cfb\u7edf\u7684\u8d1f\u8f7d\u5347\u9ad8\u3002\u8fd9\u662f\u56e0\u4e3a\u7a0b\u5e8f\u5728\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u4e2d\u4e0d\u65ad\u6267\u884c\u7a7a\u64cd\u4f5c\uff0c\u5bfc\u81f4CPU\u8d44\u6e90\u88ab\u5360\u7528\uff0c\u4ece\u800c\u5f71\u54cd\u4e86\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n
\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u7a0b\u5e8f\u7684\u903b\u8f91\uff0c\u6dfb\u52a0\u5408\u9002\u7684\u4f11\u7720\u65f6\u95f4\u6216\u8005\u4f18\u5316\u4ee3\u7801\u903b\u8f91\uff0c\u4ee5\u964d\u4f4eCPU\u8d44\u6e90\u7684\u5360\u7528\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4fee\u6539resource_hog.py<\/code>\u4e2d\u7684\u4ee3\u7801\uff0c\u5c06\u7a7a\u64cd\u4f5c\u7684\u5faa\u73af\u6b21\u6570\u51cf\u5c11\u6216\u8005\u589e\u52a0\u4f11\u7720\u65f6\u95f4\uff0c\u4ee5\u8fbe\u5230\u5408\u7406\u5229\u7528\u7cfb\u7edf\u8d44\u6e90\u7684\u76ee\u7684\u3002<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u7406\u89e3Linux\u4e2dCPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u539f\u56e0\u9700\u8981\u6df1\u5165\u7814\u7a76\u7cfb\u7edf\u7684\u539f\u7406\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u63cf\u8ff0\u3002\u901a\u8fc7\u89c2\u5bdf\u548c\u5206\u6790\u7a0b\u5e8f\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\u5bfc\u81f4\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u539f\u56e0\uff0c\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u63aa\u65bd\u8fdb\u884c\u4f18\u5316\u548c\u8c03\u6574\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u63a2\u7a76Linux\u7cfb\u7edf\u4e2dCPU\u3001Sys\u7b49\u8d44\u6e90\u5360\u7528\u5f02\u5e38\u7684\u6839\u6e90\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eCPU\u5360\u7528,\u8d44\u6e90\u5f02\u5e38,Sys\u8c03\u7528\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\n
<\/dt>\n
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