{"id":52079,"date":"2024-12-03T12:00:12","date_gmt":"2024-12-03T04:00:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52079\/"},"modified":"2024-12-03T12:00:12","modified_gmt":"2024-12-03T04:00:12","slug":"linux%e5%86%85%e6%a0%b8%e7%9a%84%e6%ba%90%e4%bb%a3%e7%a0%81%e6%94%be%e5%9c%a8%e4%bb%80%e4%b9%88%e6%96%87%e4%bb%b6%e4%b8%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52079\/","title":{"rendered":"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b<\/h1>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u7c73\u4e91\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300alinux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n<\/p>\n<blockquote>\n<p>linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\/usr\/src\/linux\u76ee\u5f55\u4e0b\u3002\u5185\u6838\u6e90\u4ee3\u7801\u7684\u7ec4\u6210\uff1a1\u3001arch\u76ee\u5f55\uff0c\u5305\u542b\u4e86\u6b64\u6838\u5fc3\u6e90\u4ee3\u7801\u6240\u652f\u6301\u7684\u786c\u4ef6\u4f53\u7cfb\u7ed3\u6784\u76f8\u5173\u7684\u6838\u5fc3\u4ee3\u7801\uff1b2\u3001include\u76ee\u5f55\uff0c\u5305\u62ec\u4e86\u6838\u5fc3\u7684\u5927\u591a\u6570include\u6587\u4ef6\uff1b3\u3001init\u76ee\u5f55\uff0c\u5305\u542b\u6838\u5fc3\u542f\u52a8\u4ee3\u7801\uff1b4\u3001mm\u76ee\u5f55\uff0c\u5305\u542b\u6240\u6709\u7684\u5185\u5b58\u7ba1\u7406\u4ee3\u7801\uff1b5\u3001drivers\u76ee\u5f55\uff0c\u5305\u542b\u7cfb\u7edf\u4e2d\u6240\u6709\u7684\u8bbe\u5907\u9a71\u52a8\uff1b6\u3001Ipc\u76ee\u5f55\uff0c\u5305\u542b\u6838\u5fc3\u7684\u8fdb\u7a0b\u95f4\u901a\u8baf\u4ee3\u7801\u3002<\/p>\n<\/blockquote>\n<p><strong>linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u54ea\u91cc<\/strong><\/p>\n<p>Linux\u7684\u5185\u6838\u6e90\u4ee3\u7801\u53ef\u4ee5\u4ece\u5f88\u591a\u9014\u5f84\u5f97\u5230\u3002\u4e00\u822c\u6765\u8bb2\uff0c\u5728\u5b89\u88c5\u7684linux\u7cfb\u7edf\u4e0b\uff0c\/usr\/src\/linux\u76ee\u5f55\u4e0b\u7684\u4e1c\u897f\u5c31\u662f\u5185\u6838\u6e90\u4ee3\u7801\u3002<\/p>\n<p>\u5bf9\u4e8e\u6e90\u4ee3\u7801\u7684\u9605\u8bfb\uff0c\u8981\u60f3\u6bd4\u8f83\u987a\u5229\uff0c\u4e8b\u5148\u6700\u597d\u5bf9\u6e90\u4ee3\u7801\u7684\u77e5\u8bc6\u80cc\u666f\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\u3002<\/p>\n<p><strong>Linux\u5185\u6838\u6e90\u4ee3\u7801\u7684\u7ec4\u6210\u5982\u4e0b(\u5047\u8bbe\u76f8\u5bf9\u4e8elinux\u76ee\u5f55):<\/strong><\/p>\n<p><strong>arch<\/strong><\/p>\n<p>\u8fd9\u4e2a\u5b50\u76ee\u5f55\u5305\u542b\u4e86\u6b64\u6838\u5fc3\u6e90\u4ee3\u7801\u6240\u652f\u6301\u7684\u786c\u4ef6\u4f53\u7cfb\u7ed3\u6784\u76f8\u5173\u7684\u6838\u5fc3\u4ee3\u7801\u3002\u5982\u5bf9\u4e8eX86\u5e73\u53f0\u5c31\u662fi386\u3002<\/p>\n<p><strong>include<\/strong><\/p>\n<p>\u8fd9\u4e2a\u76ee\u5f55\u5305\u62ec\u4e86\u6838\u5fc3\u7684\u5927\u591a\u6570include\u6587\u4ef6\u3002\u53e6\u5916\u5bf9\u4e8e\u6bcf\u79cd\u652f\u6301\u7684\u4f53\u7cfb\u7ed3\u6784\u5206\u522b\u6709\u4e00\u4e2a\u5b50\u76ee\u5f55\u3002<\/p>\n<p><strong>init<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u6838\u5fc3\u542f\u52a8\u4ee3\u7801\u3002<\/p>\n<p><strong>mm<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u4e86\u6240\u6709\u7684\u5185\u5b58\u7ba1\u7406\u4ee3\u7801\u3002\u4e0e\u5177\u4f53\u786c\u4ef6\u4f53\u7cfb\u7ed3\u6784\u76f8\u5173\u7684\u5185\u5b58\u7ba1\u7406\u4ee3\u7801\u4f4d\u4e8earch\/*\/mm\u76ee\u5f55\u4e0b\uff0c\u5982\u5bf9\u5e94\u4e8eX86\u7684\u5c31\u662farch\/i386\/mm\/fault.c \u3002<\/p>\n<p><strong>drivers<\/strong><\/p>\n<p>\u7cfb\u7edf\u4e2d\u6240\u6709\u7684\u8bbe\u5907\u9a71\u52a8\u90fd\u4f4d\u4e8e\u6b64\u76ee\u5f55\u4e2d\u3002\u5b83\u53c8\u8fdb\u4e00\u6b65\u5212\u5206\u6210\u51e0\u7c7b\u8bbe\u5907\u9a71\u52a8\uff0c\u6bcf\u4e00\u79cd\u4e5f\u6709\u5bf9\u5e94\u7684\u5b50\u76ee\u5f55\uff0c\u5982\u58f0\u5361\u7684\u9a71\u52a8\u5bf9\u5e94\u4e8edrivers\/sound\u3002<\/p>\n<p><strong>Ipc<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u4e86\u6838\u5fc3\u7684\u8fdb\u7a0b\u95f4\u901a\u8baf\u4ee3\u7801\u3002<\/p>\n<p><strong>modules<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u5df2\u5efa\u597d\u53ef\u52a8\u6001\u52a0\u8f7d\u7684\u6a21\u5757\u3002<\/p>\n<p><strong>fs Linux<\/strong><\/p>\n<p>\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\u4ee3\u7801\u3002\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u6709\u4e0d\u540c\u7684\u5b50\u76ee\u5f55\u5bf9\u5e94\uff0c\u5982ext2\u6587\u4ef6\u7cfb\u7edf\u5bf9\u5e94\u7684\u5c31\u662fext2\u5b50\u76ee\u5f55\u3002<\/p>\n<p><strong>Kernel<\/strong><\/p>\n<p>\u4e3b\u8981\u6838\u5fc3\u4ee3\u7801\u3002\u540c\u65f6\u4e0e\u5904\u7406\u5668\u7ed3\u6784\u76f8\u5173\u4ee3\u7801\u90fd\u653e\u5728arch\/*\/kernel\u76ee\u5f55\u4e0b\u3002<\/p>\n<p><strong>Net<\/strong><\/p>\n<p>\u6838\u5fc3\u7684\u7f51\u7edc\u90e8\u5206\u4ee3\u7801\u3002\u91cc\u9762\u7684\u6bcf\u4e2a\u5b50\u76ee\u5f55\u5bf9\u5e94\u4e8e\u7f51\u7edc\u7684\u4e00\u4e2a\u65b9\u9762\u3002<\/p>\n<p><strong>Lib<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u4e86\u6838\u5fc3\u7684\u5e93\u4ee3\u7801\u3002\u4e0e\u5904\u7406\u5668\u7ed3\u6784\u76f8\u5173\u5e93\u4ee3\u7801\u88ab\u653e\u5728arch\/*\/lib\/\u76ee\u5f55\u4e0b\u3002<\/p>\n<p><strong>Scripts<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u5305\u542b\u7528\u4e8e\u914d\u7f6e\u6838\u5fc3\u7684\u811a\u672c\u6587\u4ef6\u3002<\/p>\n<p><strong>Documentation<\/strong><\/p>\n<p>\u6b64\u76ee\u5f55\u662f\u4e00\u4e9b\u6587\u6863\uff0c\u8d77\u53c2\u8003\u4f5c\u7528\u3002<\/p>\n<h3><strong>Linux 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decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dc4a75.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dc4a75.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe\" \/>  <\/p>\n<p>\u8fd9\u91cc\u6240\u8bf4\u7684\u4e00\u5207\u8d44\u6e90\u662f\u6307\u65e0\u8bba\u662fBaidu\u3001Google\u5927\u578b\u7f51\u7edc\u641c\u7d22\u5f15\u64ce\uff0c\u8fd8\u662f\u64cd\u4f5c\u7cfb\u7edf\u539f\u7406\u6559\u6750\u548c\u4e13\u4e1a\u4e66\u7c4d\uff0c\u4ea6\u6216\u662f\u4ed6\u4eba\u63d0\u4f9b\u7684\u7ecf\u9a8c\u548c\u8d44\u6599\uff0c\u751a\u81f3\u662fLinux\u6e90\u7801\u63d0\u4f9b\u7684\u6587\u6863\u3001\u6ce8\u91ca\u548c\u6e90\u7801\u6807\u8bc6\u7b26\u7684\u540d\u79f0\uff08\u4e0d\u8981\u5c0f\u770b\u4ee3\u7801\u4e2d\u7684\u6807\u8bc6\u7b26\u7684\u547d\u540d\uff0c\u6709\u65f6\u5b83\u4eec\u80fd\u63d0\u4f9b\u5173\u952e\u7684\u4fe1\u606f\uff09\u3002\u603b\u4e4b\u8fd9\u91cc\u7684\u4e00\u5207\u8d44\u6e90\u6307\u7684\u5c31\u662f\u4f60\u80fd\u60f3\u5230\u7684\u4e00\u5207\u53ef\u7528\u8d44\u6e90\u3002\u5f53\u7136\uff0c\u6211\u4eec\u4e0d\u592a\u53ef\u80fd\u901a\u8fc7\u8fd9\u79cd\u5f62\u5f0f\u7684\u4fe1\u606f\u641c\u96c6\u83b7\u5f97\u6240\u6709\u7684\u6211\u4eec\u60f3\u8981\u7684\u4fe1\u606f\uff0c\u6211\u4eec\u53ea\u6c42\u5c3d\u53ef\u80fd\u5168\u9762\u5373\u53ef\u3002\u56e0\u4e3a\u4fe1\u606f\u641c\u96c6\u7684\u8d8a\u5168\u9762\uff0c\u4e4b\u540e\u5206\u6790\u4ee3\u7801\u7684\u8fc7\u7a0b\u80fd\u4f7f\u7528\u7684\u4fe1\u606f\u5c31\u66f4\u591a\uff0c\u5206\u6790\u8fc7\u7a0b\u7684\u56f0\u96be\u5c31\u4f1a\u8d8a\u5c0f\u3002<\/p>\n<p>\u8fd9\u91cc\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5047\u5b9a\u6211\u4eec\u8981\u5206\u6790Linux\u7684\u53d8\u9891\u673a\u5236\u5b9e\u73b0\u7684\u4ee3\u7801\u3002\u76ee\u524d\u4e3a\u6b62\u6211\u4eec\u4ec5\u4ec5\u662f\u77e5\u9053\u8fd9\u4e2a\u540d\u8bcd\u800c\u5df2\uff0c\u900f\u8fc7\u5b57\u9762\u542b\u4e49\u6211\u4eec\u53ef\u4ee5\u5927\u81f4\u731c\u6d4b\u5b83\u5e94\u8be5\u548cCPU\u7684\u9891\u7387\u8c03\u8282\u76f8\u5173\u3002\u901a\u8fc7\u4fe1\u606f\u641c\u96c6\uff0c\u6211\u4eec\u5e94\u8be5\u80fd\u5f97\u5230\u5982\u4e0b\u7684\u76f8\u5173\u7684\u4fe1\u606f\uff1a<\/p>\n<p>1\uff0eCPUFreq\u673a\u5236\u3002<\/p>\n<p>2\uff0eperformance\u3001powersave\u3001userspace\u3001ondemand\u3001conservative\u8c03\u9891\u7b56\u7565\u3002<\/p>\n<p>3\uff0e\/driver\/cpufreq\/\u3002<\/p>\n<p>4\uff0e\/documention\/cpufreq\u3002<\/p>\n<p>5\uff0eP state\u548cC state\u3002<\/p>\n<p>\u5206\u6790Linux\u5185\u6838\u4ee3\u7801\u5982\u679c\u80fd\u641c\u96c6\u5230\u8fd9\u4e9b\u4fe1\u606f\uff0c\u5e94\u8be5\u8bf4\u662f\u975e\u5e38\u201c\u5e78\u8fd0\u201d\u4e86\u3002\u6bd5\u7adf\u6709\u5173Linux\u5185\u6838\u7684\u8d44\u6599\u786e\u5b9e\u4e0d\u5982.NET\u548cJQuery\u90a3\u4e48\u4e30\u5bcc\uff0c\u4e0d\u8fc7\u8fd9\u76f8\u6bd4\u4e8e\u5341\u6570\u5e74\u524d\uff0c\u6ca1\u6709\u5f3a\u5927\u7684\u641c\u7d22\u5f15\u64ce\uff0c\u6ca1\u6709\u76f8\u5173\u7684\u7814\u7a76\u8d44\u6599\u7684\u65f6\u671f\u5e94\u8be5\u79f0\u5f97\u4e0a\u662f\u201c\u5927\u4e30\u6536\u201d\u65f6\u4ee3\u4e86\uff01\u6211\u4eec\u901a\u8fc7\u7b80\u5355\u7684\u201c\u641c\u7d22\u201d\uff08\u53ef\u80fd\u4f1a\u82b1\u8d39\u4e00\u5230\u4e24\u5929\u7684\u65f6\u95f4\u5427\uff09\uff0c\u751a\u81f3\u627e\u5230\u4e86\u8fd9\u90e8\u5206\u4ee3\u7801\u6240\u5728\u7684\u6e90\u7801\u6587\u4ef6\u76ee\u5f55\uff0c\u4e0d\u5f97\u4e0d\u8bf4\u8fd9\u6837\u7684\u4fe1\u606f\u7b80\u76f4\u662f\u201c\u4ef7\u503c\u8fde\u57ce\u201d\uff01<\/p>\n<h4><strong>3.2 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decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dc934b.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe1\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe1\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dc934b.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe1\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe1\" \/>  <\/p>\n<p>\u6309\u7167\u641c\u7d22\u51fa\u7684\u4fe1\u606f\u6d41\u52a8\u65b9\u5411\uff0c\u6211\u4eec\u5b8c\u5168\u53ef\u4ee5\u5b9a\u4f4d\u5230\u9700\u8981\u5206\u6790\u7684\u6e90\u7801\u6587\u4ef6\u3002\u6e90\u7801\u5b9a\u4f4d\u8fd9\u4e00\u6b65\u5e76\u975e\u5341\u5206\u5173\u952e\uff0c\u56e0\u4e3a\u6211\u4eec\u4e0d\u9700\u8981\u627e\u51fa\u6240\u6709\u6e90\u7801\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u90e8\u5206\u5de5\u4f5c\u63a8\u8fdf\u5230\u5206\u6790\u4ee3\u7801\u7684\u8fc7\u7a0b\u4e2d\u3002\u6e90\u7801\u5b9a\u4f4d\u4e5f\u6bd4\u8f83\u5173\u952e\uff0c\u627e\u5230\u4e00\u90e8\u5206\u6e90\u7801\u6587\u4ef6\u662f\u5206\u6790\u6e90\u7801\u7684\u57fa\u7840\u3002<\/p>\n<h4><strong>3.3 \u7b80\u5355\u6ce8\u91ca<\/strong><\/h4>\n<p>\u7b80\u5355\u6ce8\u91ca<\/p>\n<p>\u5728\u5df2\u5b9a\u4f4d\u597d\u7684\u6e90\u7801\u6587\u4ef6\u4e2d\uff0c\u5206\u6790\u6bcf\u4e2a\u53d8\u91cf\u3001\u5b8f\u3001\u51fd\u6570\u3001\u7ed3\u6784\u4f53\u7b49\u4ee3\u7801\u5143\u7d20\u7684\u5927\u81f4\u542b\u4e49\u548c\u529f\u80fd\u3002\u4e4b\u6240\u4ee5\u79f0\u6b64\u4e3a\u7b80\u5355\u6ce8\u91ca\uff0c\u5e76\u975e\u6307\u8fd9\u90e8\u5206\u7684\u6ce8\u91ca\u5de5\u4f5c\u5f88\u7b80\u5355\uff0c\u800c\u662f\u6307\u8fd9\u90e8\u5206\u7684\u6ce8\u91ca\u53ef\u4ee5\u4e0d\u5fc5\u8fc7\u5206\u7ec6\u5316\uff0c\u53ea\u8981\u5927\u81f4\u63cf\u8ff0\u51fa\u76f8\u5173\u4ee3\u7801\u5143\u7d20\u7684\u542b\u4e49\u5373\u53ef\u3002\u76f8\u53cd\uff0c\u8fd9\u91cc\u7684\u5de5\u4f5c\u5176\u5b9e\u662f\u6574\u4e2a\u5206\u6790\u6d41\u7a0b\u4e2d\u6700\u56f0\u96be\u7684\u4e00\u6b65\u3002\u56e0\u4e3a\u8fd9\u662f\u7b2c\u4e00\u6b21\u6df1\u5165\u5230\u5185\u6838\u4ee3\u7801\u7684\u5185\u90e8\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u9996\u6b21\u5206\u6790\u5185\u6838\u6e90\u7801\u7684\u4eba\u6765\u8bf4\uff0c\u5927\u91cf\u7684\u751f\u758fGNU\u7684C\u8bed\u6cd5\u548c\u94fa\u5929\u76d6\u5730\u7684\u5b8f\u5b9a\u4e49\u4f1a\u4ee4\u4eba\u5f88\u7edd\u671b\u3002\u6b64\u65f6\u53ea\u8981\u6c89\u4e0b\u5fc3\u6765\uff0c\u5f04\u6e05\u6bcf\u4e2a\u5173\u952e\u7684\u96be\u70b9\uff0c\u624d\u80fd\u4fdd\u8bc1\u4ee5\u540e\u78b0\u5230\u7c7b\u4f3c\u7684\u96be\u70b9\u4e0d\u4f1a\u518d\u88ab\u56f0\u4f4f\u3002\u800c\u4e14\uff0c\u6211\u4eec\u5bf9\u5185\u6838\u76f8\u5173\u7684\u5176\u4ed6\u77e5\u8bc6\u4f1a\u4e0d\u65ad\u7684\u50cf\u6811\u4e00\u6837\u6269\u5c55\u5f00\u6765\u3002<\/p>\n<p>\u6bd4\u5982\u5728cpufreq.c\u6587\u4ef6\u5f00\u59cb\u5c31\u4f1a\u51fa\u73b0\u201cDEFINE_PER_CPU\u201d\u5b8f\u7684\u4f7f\u7528\uff0c\u6211\u4eec\u901a\u8fc7\u67e5\u9605\u8d44\u6599\u53ef\u4ee5\u57fa\u672c\u5f04\u6e05\u8fd9\u4e2a\u5b8f\u7684\u542b\u4e49\u548c\u529f\u80fd\u3002\u8fd9\u91cc\u4f7f\u7528\u7684\u624b\u6bb5\u548c\u4e4b\u524d\u641c\u96c6\u8d44\u6599\u4f7f\u7528\u7684\u65b9\u6cd5\u57fa\u672c\u4e00\u81f4\uff0c\u53e6\u5916\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528sourceinsight\u63d0\u4f9b\u7684\u8f6c\u5230\u5b9a\u4e49\u7b49\u529f\u80fd\u67e5\u770b\u5b83\u7684\u5b9a\u4e49\uff0c\u6216\u8005\u4f7f\u7528LKML\uff08Linux Kernel Mail List\uff09\u67e5\u9605\u3002\u603b\u4e4b\u5229\u7528\u6240\u6709\u53ef\u80fd\u7684\u624b\u6bb5\uff0c\u6211\u4eec\u603b\u80fd\u5f97\u5230\u8fd9\u4e2a\u5b8f\u7684\u542b\u4e49\u2014\u2014\u4e3a\u6bcf\u4e2aCPU\u5b9a\u4e49\u4e00\u4e2a\u72ec\u7acb\u4f7f\u7528\u7684\u53d8\u91cf\u3002<\/p>\n<p>\u6211\u4eec\u4e5f\u4e0d\u8981\u5f3a\u6c42\u4e00\u6b21\u5c31\u80fd\u628a\u6ce8\u91ca\u63cf\u8ff0\u7684\u5f88\u51c6\u786e\uff08\u6211\u4eec\u751a\u81f3\u90fd\u6ca1\u5fc5\u8981\u5f04\u6e05\u6bcf\u4e2a\u51fd\u6570\u7684\u5177\u4f53\u5b9e\u73b0\u6d41\u7a0b\uff0c\u53ea\u8981\u5f04\u6e05\u5927\u81f4\u529f\u80fd\u542b\u4e49\u5373\u53ef\uff09\uff0c\u6211\u4eec\u7ed3\u5408\u641c\u96c6\u5230\u7684\u8d44\u6599\u548c\u540e\u8fb9\u4ee3\u7801\u7684\u5206\u6790\u4e0d\u65ad\u7684\u5b8c\u5584\u6ce8\u91ca\u7684\u542b\u4e49\uff08\u6e90\u7801\u4e2d\u539f\u6709\u7684\u6ce8\u91ca\u548c\u6807\u8bc6\u7b26\u547d\u540d\u5728\u6b64\u5f88\u6709\u5229\u7528\u4ef7\u503c\uff09\u3002\u901a\u8fc7\u4e0d\u65ad\u7684\u6ce8\u91ca\uff0c\u4e0d\u65ad\u7684\u67e5\u9605\u8d44\u6599\uff0c\u4e0d\u65ad\u7684\u4fee\u6539\u6ce8\u91ca\u7684\u542b\u4e49\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dd0cc6.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe2\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe2\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dd0cc6.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe2\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe2\" \/>  <\/p>\n<p>\u5f53\u6211\u4eec\u628a\u6240\u6709\u6d89\u53ca\u7684\u6e90\u7801\u6587\u4ef6\u7b80\u5355\u6ce8\u91ca\u5b8c\u6bd5\u540e\u6211\u4eec\u53ef\u4ee5\u8fbe\u5230\u5982\u4e0b\u6548\u679c\uff1a<\/p>\n<p>1\uff0e\u57fa\u672c\u5f04\u6e05\u4e86\u6e90\u7801\u4e2d\u4ee3\u7801\u5143\u7d20\u5b58\u5728\u7684\u542b\u4e49\u3002<\/p>\n<p>2\uff0e\u627e\u51fa\u4e86\u8be5\u6a21\u5757\u6240\u6d89\u53ca\u7684\u57fa\u672c\u4e0a\u5168\u90e8\u7684\u5173\u952e\u6e90\u7801\u6587\u4ef6\u3002<\/p>\n<p>\u7ed3\u5408\u4e4b\u524d\u641c\u96c6\u5230\u7684\u4fe1\u606f\u548c\u8d44\u6599\u5bf9\u8be5\u5f85\u5206\u6790\u4ee3\u7801\u7684\u6574\u4f53\u6216\u8005\u67b6\u6784\u63cf\u8ff0\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5206\u6790\u7684\u7ed3\u679c\u548c\u8d44\u6599\u5bf9\u6bd4\uff0c\u4ee5\u786e\u5b9a\u548c\u4fee\u6b63\u6211\u4eec\u5bf9\u4ee3\u7801\u7684\u7406\u89e3\u3002\u8fd9\u6837\uff0c\u901a\u8fc7\u4e00\u904d\u7684\u7b80\u5355\u6ce8\u91ca\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4ece\u6574\u4f53\u4e0a\u628a\u63e1\u4e86\u6e90\u7801\u6a21\u5757\u7684\u4e3b\u8981\u7ed3\u6784\u3002\u8fd9\u4e5f\u8fbe\u5230\u4e86\u6211\u4eec\u7b80\u5355\u6ce8\u91ca\u7684\u57fa\u672c\u76ee\u7684\u3002<\/p>\n<h4><strong>3.4 \u8be6\u7ec6\u6ce8\u91ca<\/strong><\/h4>\n<p>\u5b8c\u6210\u4ee3\u7801\u7684\u7b80\u5355\u6ce8\u91ca\u540e\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u5bf9\u6a21\u5757\u7684\u5206\u6790\u5de5\u4f5c\u5b8c\u6210\u4e86\u4e00\u534a\u4e86\uff0c\u5269\u4e0b\u7684\u5185\u5bb9\u5c31\u662f\u5bf9\u4ee3\u7801\u7684\u6df1\u5165\u5206\u6790\u548c\u5f7b\u5e95\u7406\u89e3\u3002\u7b80\u5355\u6ce8\u91ca\u603b\u662f\u4e0d\u80fd\u5c06\u4ee3\u7801\u5143\u7d20\u7684\u5177\u4f53\u542b\u4e49\u63cf\u8ff0\u7684\u5341\u5206\u7cbe\u786e\uff0c\u56e0\u6b64\u8be6\u7ec6\u6ce8\u91ca\u662f\u5341\u5206\u6709\u5fc5\u8981\u7684\u3002\u8fd9\u4e00\u6b65\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5f04\u6e05\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>1\uff0e\u53d8\u91cf\u5b9a\u4e49\u5728\u4f55\u65f6\u88ab\u4f7f\u7528\u3002<\/p>\n<p>2\uff0e\u5b8f\u5b9a\u4e49\u7684\u4ee3\u7801\u4f55\u65f6\u88ab\u4f7f\u7528\u3002<\/p>\n<p>3\uff0e\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u542b\u4e49\u3002<\/p>\n<p>4\uff0e\u51fd\u6570\u7684\u6267\u884c\u6d41\u7a0b\u548c\u8c03\u7528\u5173\u7cfb\u3002<\/p>\n<p>5\uff0e\u7ed3\u6784\u4f53\u5b57\u6bb5\u7684\u5177\u4f53\u542b\u4e49\u548c\u4f7f\u7528\u6761\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u751a\u81f3\u53ef\u4ee5\u628a\u8fd9\u4e00\u6b65\u79f0\u4e3a\u51fd\u6570\u8be6\u7ec6\u6ce8\u91ca\uff0c\u56e0\u4e3a\u51fd\u6570\u4e4b\u5916\u7684\u4ee3\u7801\u5143\u7d20\u7684\u542b\u4e49\u57fa\u672c\u4e0a\u5728\u7b80\u5355\u6ce8\u91ca\u4e2d\u5df2\u7ecf\u6bd4\u8f83\u660e\u786e\u4e86\u3002\u800c\u51fd\u6570\u672c\u8eab\u7684\u6267\u884c\u6d41\u7a0b\u3001\u7b97\u6cd5\u7b49\u662f\u8fd9\u90e8\u5206\u6ce8\u91ca\u548c\u5206\u6790\u7684\u4e3b\u8981\u4efb\u52a1\u3002<\/p>\n<p>\u6bd4\u5982cpufreq_ondemand\u7b56\u7565\u7684\u5b9e\u73b0\u7b97\u6cd5\uff08\u51fd\u6570dbs_check_cpu\u4e2d\uff09\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u3002\u6211\u4eec\u9700\u8981\u9010\u6b65\u5206\u6790\u8be5\u51fd\u6570\u4f7f\u7528\u7684\u53d8\u91cf\u548c\u8c03\u7528\u7684\u51fd\u6570\u7b49\u4fe1\u606f\uff0c\u5f04\u6e05\u7b97\u6cd5\u7684\u6765\u9f99\u53bb\u8109\u3002\u6700\u597d\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u9700\u8981\u8fd9\u4e9b\u590d\u6742\u51fd\u6570\u7684\u6267\u884c\u6d41\u7a0b\u56fe\u548c\u51fd\u6570\u8c03\u7528\u5173\u7cfb\u56fe\uff0c\u8fd9\u662f\u6700\u76f4\u89c2\u7684\u8868\u8fbe\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dd7cdc.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe3\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe3\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dd7cdc.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe3\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe3\" \/>  <\/p>\n<p>\u901a\u8fc7\u8fd9\u4e00\u6b65\u7684\u6ce8\u91ca\uff0c\u6211\u4eec\u57fa\u672c\u4e0a\u80fd\u5b8c\u5168\u628a\u63e1\u5f85\u5206\u6790\u4ee3\u7801\u6574\u4f53\u7684\u5b9e\u73b0\u673a\u5236\u4e86\u3002\u800c\u6240\u6709\u7684\u5206\u6790\u5de5\u4f5c\u53ef\u4ee5\u8ba4\u4e3a\u5b8c\u6210\u4e8680%\u3002\u8fd9\u4e00\u6b65\u5de5\u4f5c\u5c24\u5176\u5173\u952e\uff0c\u6211\u4eec\u5fc5\u987b\u5c3d\u91cf\u8ba9\u6ce8\u91ca\u7684\u4fe1\u606f\u8db3\u591f\u7684\u51c6\u786e\uff0c\u624d\u80fd\u66f4\u597d\u7684\u7406\u89e3\u5f85\u5206\u6790\u4ee3\u7801\u7684\u5185\u90e8\u6a21\u5757\u7684\u5212\u5206\u3002\u867d\u7136Linux\u5185\u6838\u4e2d\u4f7f\u7528\u4e86\u5b8f\u8bed\u6cd5\u201cmodule_init\u201d\u548c\u201cmodule_exit\u201d\u58f0\u660e\u6a21\u5757\u6587\u4ef6\uff0c\u4f46\u662f\u5bf9\u6a21\u5757\u5185\u90e8\u5b50\u529f\u80fd\u7684\u5212\u5206\u662f\u5efa\u7acb\u5728\u5145\u5206\u4e86\u89e3\u6a21\u5757\u7684\u529f\u80fd\u57fa\u7840\u4e0a\u7684\u3002\u53ea\u6709\u6b63\u786e\u5212\u5206\u597d\u6a21\u5757\uff0c\u6211\u4eec\u624d\u80fd\u5f04\u6e05\u6a21\u5757\u63d0\u4f9b\u4e86\u54ea\u4e9b\u5916\u90e8\u51fd\u6570\u548c\u53d8\u91cf\uff08\u4f7f\u7528EXPORT_SYMBOL_GPL\u6216\u8005EXPORT_SYMBOL\u5bfc\u51fa\u7684\u7b26\u53f7\uff09\u3002\u624d\u80fd\u7ee7\u7eed\u4e0b\u4e00\u6b65\u7684\u6a21\u5757\u5185\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb\u5206\u6790\u3002<\/p>\n<h4><strong>3.5 \u6a21\u5757\u5185\u90e8\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb<\/strong><\/h4>\n<p>\u901a\u8fc7\u7b2c\u56db\u6b65\u5bf9\u4ee3\u7801\u6a21\u5757\u7684\u5212\u5206\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f88\u201c\u8f7b\u677e\u201d\u5730\u9010\u4e2a\u5bf9\u6a21\u5757\u8fdb\u884c\u5206\u6790\u3002\u4e00\u822c\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u6587\u4ef6\u5e95\u90e8\u7684\u6a21\u5757\u51fa\u5165\u53e3\u51fd\u6570\u5f00\u59cb\uff08\u201cmodule_init\u201d\u548c\u201cmodule_exit\u201d\u58f0\u660e\u7684\u51fd\u6570\uff0c\u4e00\u822c\u90fd\u5728\u6587\u4ef6\u6700\u540e\uff09\uff0c\u6839\u636e\u5b83\u4eec\u8c03\u7528\u7684\u51fd\u6570\uff08\u81ea\u5df1\u5b9a\u4e49\u7684\u6216\u8005\u5176\u4ed6\u6a21\u5757\u7684\u51fd\u6570\uff09\u548c\u4f7f\u7528\u7684\u5173\u952e\u53d8\u91cf\uff08\u672c\u6587\u4ef6\u5185\u7684\u5168\u5c40\u53d8\u91cf\u6216\u8005\u5176\u4ed6\u6a21\u5757\u7684\u5916\u90e8\u53d8\u91cf\uff09\u753b\u51fa\u201c\u51fd\u6570-\u53d8\u91cf-\u51fd\u6570\u201d\u4f9d\u8d56\u5173\u7cfb\u56fe\u2014\u2014\u6211\u4eec\u79f0\u4e3a\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb\u56fe\u3002<\/p>\n<p>\u5f53\u7136\uff0c\u6a21\u5757\u5185\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb\u5e76\u975e\u662f\u5355\u7eaf\u7684\u6811\u5f62\u7ed3\u6784\uff0c\u5f88\u591a\u60c5\u51b5\u662f\u9519\u7efc\u590d\u6742\u7684\u7f51\u7edc\u5173\u7cfb\u3002\u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u5bf9\u4ee3\u7801\u7684\u8be6\u7ec6\u6ce8\u91ca\u7684\u4f5c\u7528\u5c31\u4f53\u73b0\u51fa\u6765\u4e86\u3002\u6211\u4eec\u6839\u636e\u51fd\u6570\u672c\u8eab\u7684\u542b\u4e49\uff0c\u5c06\u6a21\u5757\u8fdb\u884c\u5b50\u529f\u80fd\u5212\u5206\uff0c\u62bd\u53d6\u51fa\u6bcf\u4e2a\u5b50\u529f\u80fd\u7684\u6807\u8bc6\u7b26\u4f9d\u8d56\u6811\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7ddbb2a.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe4\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe4\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7ddbb2a.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe4\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe4\" \/>  <\/p>\n<p>\u901a\u8fc7\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb\u5206\u6790\uff0c\u53ef\u4ee5\u5f88\u6e05\u6670\u7684\u5c55\u793a\u6a21\u5757\u5b9a\u4e49\u7684\u51fd\u6570\u8c03\u7528\u4e86\u90a3\u4e9b\u51fd\u6570\uff0c\u4f7f\u7528\u4e86\u54ea\u4e9b\u53d8\u91cf\uff0c\u4ee5\u53ca\u6a21\u5757\u5b50\u529f\u80fd\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u2014\u2014\u516c\u7528\u4e86\u54ea\u4e9b\u51fd\u6570\u548c\u53d8\u91cf\u7b49\u3002<\/p>\n<h4><strong>3.6 \u6a21\u5757\u95f4\u76f8\u4e92\u4f9d\u8d56\u5173\u7cfb<\/strong><\/h4>\n<p>\u6a21\u5757\u95f4\u76f8\u4e92\u4f9d\u8d56\u5173\u7cfb<\/p>\n<p>\u4e00\u65e6\u5c06\u6240\u6709\u7684\u6a21\u5757\u5185\u90e8\u6807\u8bc6\u7b26\u4f9d\u8d56\u5173\u7cfb\u56fe\u6574\u7406\u5b8c\u6bd5\uff0c\u6839\u636e\u6a21\u5757\u4f7f\u7528\u7684\u5176\u4ed6\u6a21\u5757\u7684\u53d8\u91cf\u6216\u51fd\u6570\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5f97\u5230\u6a21\u5757\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7ddfc42.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe5\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe5\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7ddfc42.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe5\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe5\" \/>  <\/p>\n<p>cpufreq\u4ee3\u7801\u7684\u6a21\u5757\u4f9d\u8d56\u5173\u7cfb\u53ef\u4ee5\u8868\u793a\u4e3a\u5982\u4e0b\u5173\u7cfb\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7de9df5.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe6\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe6\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7de9df5.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe6\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe6\" \/>  <\/p>\n<h4><strong>3.7 \u6a21\u5757\u67b6\u6784\u56fe<\/strong><\/h4>\n<p>\u900f\u8fc7\u6a21\u5757\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u56fe\uff0c\u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u8868\u8fbe\u6a21\u5757\u5728\u6574\u4e2a\u5f85\u5206\u6790\u4ee3\u7801\u4e2d\u7684\u5730\u4f4d\u548c\u529f\u80fd\u3002\u57fa\u4e8e\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6a21\u5757\u5206\u7c7b\uff0c\u6574\u7406\u51fa\u4ee3\u7801\u7684\u67b6\u6784\u5173\u7cfb\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dee87c.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe7\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe7\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472936614ec7dee87c.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe7\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe7\" \/>  <\/p>\n<p>\u5982cpufreq\u7684\u6a21\u5757\u4f9d\u8d56\u5173\u7cfb\u56fe\u6240\u793a\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u770b\u5230\u6240\u6709\u7684\u8c03\u9891\u7b56\u7565\u6a21\u5757\u90fd\u662f\u4f9d\u8d56\u4e8e\u6838\u5fc3\u6a21\u5757cpufreq\u3001cpufreq_stats\u548cfreq_table\u7684\u3002\u5982\u679c\u6211\u4eec\u628a\u88ab\u4f9d\u8d56\u7684\u4e09\u4e2a\u6a21\u5757\u62bd\u8c61\u4e3a\u4ee3\u7801\u7684\u6838\u5fc3\u6846\u67b6\u7684\u8bdd\uff0c\u8fd9\u4e9b\u8c03\u9891\u7b56\u7565\u6a21\u5757\u90fd\u662f\u5efa\u7acb\u5728\u8fd9\u4e2a\u6846\u67b6\u4e4b\u4e0a\u7684\uff0c\u5b83\u4eec\u8d1f\u8d23\u548c\u7528\u6237\u5c42\u4ea4\u4e92\u3002\u800c\u6838\u5fc3\u6a21\u5757cpufreq\u63d0\u4f9b\u4e86\u9a71\u52a8\u7b49\u76f8\u5173\u7684\u63a5\u53e3\u8d1f\u8d23\u4e0e\u7cfb\u7edf\u5e95\u5c42\u4ea4\u4e92\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u5982\u4e0b\u7684\u6a21\u5757\u67b6\u6784\u56fe\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472946614ec7e00b31.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe8\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe8\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20240409\/17126472946614ec7e00b31.jpg\" class=\"aligncenter\" title=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe8\" alt=\"linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u63d2\u56fe8\" \/>  <\/p>\n<p>\u5f53\u7136\uff0c\u67b6\u6784\u56fe\u5e76\u975e\u6a21\u5757\u7684\u65e0\u673a\u62fc\u63a5\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u7ed3\u5408\u67e5\u9605\u7684\u8d44\u6599\u53bb\u4e30\u5bcc\u67b6\u6784\u56fe\u7684\u542b\u4e49\u3002\u56e0\u6b64\uff0c\u8fd9\u91cc\u7684\u67b6\u6784\u56fe\u7684\u7ec6\u8282\u4f1a\u968f\u7740\u4e0d\u540c\u7684\u4eba\u7684\u7406\u89e3\u6709\u6240\u504f\u5dee\u3002\u4f46\u662f\u67b6\u6784\u56fe\u4e3b\u4f53\u7684\u542b\u4e49\u5f88\u57fa\u672c\u4e00\u81f4\u7684\u3002\u81f3\u6b64\uff0c\u6211\u4eec\u5b8c\u6210\u4e86\u5f85\u5206\u6790\u7684\u5185\u6838\u4ee3\u7801\u7684\u6240\u6709\u5206\u6790\u5de5\u4f5c\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300alinux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>linux\u5185\u6838\u7684\u6e90\u4ee3\u7801\u653e\u5728\u4ec0\u4e48\u6587\u4ef6\u4e0b 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