{"id":28990,"date":"2024-11-07T14:06:18","date_gmt":"2024-11-07T06:06:18","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=20332"},"modified":"2024-11-07T14:06:18","modified_gmt":"2024-11-07T06:06:18","slug":"ebpf%e7%ae%80%e4%bb%8b%ef%bc%9a%e4%b8%ba%e7%b3%bb%e7%bb%9f%e5%bc%80%e5%8f%91%e5%b8%a6%e6%9d%a5%e7%9a%84%e6%96%b0%e6%9c%ba%e9%81%87","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/28990.html","title":{"rendered":"eBPF\u7b80\u4ecb\uff1a\u4e3a\u7cfb\u7edf\u5f00\u53d1\u5e26\u6765\u7684\u65b0\u673a\u9047"},"content":{"rendered":"

\t\t\t\teBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u6700\u521d\u4f5c\u4e3aLinux\u5185\u6838\u7684\u4e00\u90e8\u5206\u88ab\u5f15\u5165\uff0c\u7528\u4e8e\u7f51\u7edc\u5305\u8fc7\u6ee4\u3002\u7136\u800c\uff0c\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0ceBPF<\/a>\u5df2\u7ecf\u8d85\u8d8a\u4e86\u5176\u6700\u521d\u7684\u7528\u9014\uff0c\u6210\u4e3a\u7cfb\u7edf\u5f00\u53d1\u9886\u57df\u7684\u65b0\u5ba0\u3002\u5b83\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u76d1\u63a7\u548c\u4fee\u6539\u5185\u6838\u884c\u4e3a\u7684\u80fd\u529b\uff0c\u4ece\u800c\u5e26\u6765\u4e86\u524d\u6240\u672a\u6709\u7684\u673a\u9047\u548c\u53ef\u80fd\u6027\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u5386\u53f2\u4e0e\u53d1\u5c55<\/h3>\n\n\n\n\n

eBPF\u7684\u524d\u8eab\u662fBPF\uff08Berkeley Packet Filter\uff09\uff0c\u7531Steven McCanne\u548cVan Jacobson\u57281992\u5e74\u63d0\u51fa\uff0c\u4e3b\u8981\u7528\u4e8e\u7f51\u7edc\u5305\u7684\u6355\u83b7\u548c\u5206\u6790\u3002BPF\u7684\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7\u4e00\u4e2a\u9ad8\u6548\u7684\u8fc7\u6ee4\u5668\uff0c\u53ea\u6355\u83b7\u611f\u5174\u8da3\u7684\u5305\uff0c\u4ece\u800c\u51cf\u5c11\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u6d88\u8017\u3002\u968f\u7740Linux\u5185\u6838\u7684\u53d1\u5c55\uff0cBPF\u9010\u6e10\u88ab\u96c6\u6210\u5230\u5185\u6838\u4e2d\uff0c\u5e76\u5728\u7f51\u7edc\u76d1\u63a7\u548c\u8c03\u8bd5\u5de5\u5177\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n\n\n\n\n\n

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

\u7136\u800c\uff0c\u4f20\u7edf\u7684BPF\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u4f8b\u5982\u53ea\u80fd\u5904\u7406\u7f51\u7edc\u5305\uff0c\u529f\u80fd\u8f83\u4e3a\u5355\u4e00\u3002\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u9650\u5236\uff0cLinux\u793e\u533a\u57282014\u5e74\u5f15\u5165\u4e86eBPF\uff0c\u6269\u5c55\u4e86BPF\u7684\u529f\u80fd\u548c\u5e94\u7528\u8303\u56f4\u3002eBPF\u4e0d\u4ec5\u652f\u6301\u7f51\u7edc\u5305\u8fc7\u6ee4\uff0c\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5185\u6838\u8ddf\u8e2a\u3001\u6027\u80fd\u76d1\u63a7\u3001\u5b89\u5168\u5ba1\u8ba1\u7b49\u591a\u79cd\u573a\u666f\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u6838\u5fc3\u6982\u5ff5<\/h3>\n\n\n\n\n

eBPF\u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ecBPF\u7a0b\u5e8f\u3001BPF\u6620\u5c04\uff08maps\uff09\u548cBPF\u94a9\u5b50\uff08hooks\uff09\u3002<\/p>\n\n\n\n\n

BPF\u7a0b\u5e8f<\/h4>\n\n\n\n\n

BPF\u7a0b\u5e8f\u662f\u8fd0\u884c\u5728\u5185\u6838\u4e2d\u7684\u5c0f\u578b\u4ee3\u7801\u7247\u6bb5\uff0c\u901a\u5e38\u7528C\u8bed\u8a00\u7f16\u5199\uff0c\u5e76\u901a\u8fc7BPF\u7f16\u8bd1\u5668\u8f6c\u6362\u4e3aeBPF\u6307\u4ee4\u96c6\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u88ab\u52a0\u8f7d\u548c\u6267\u884c\uff0c\u53ef\u4ee5\u52a8\u6001\u5730\u76d1\u63a7\u548c\u4fee\u6539\u5185\u6838\u884c\u4e3a\u3002BPF\u7a0b\u5e8f\u7684\u6267\u884c\u662f\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u5728\u52a0\u8f7d\u4e4b\u524d\u4f1a\u7ecf\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\uff0c\u786e\u4fdd\u4e0d\u4f1a\u5bfc\u81f4\u5185\u6838\u5d29\u6e83\u6216\u5b89\u5168\u95ee\u9898\u3002<\/p>\n\n\n\n\n

BPF\u6620\u5c04\uff08Maps\uff09<\/h4>\n\n\n\n\n

BPF\u6620\u5c04\u662f\u4e00\u79cd\u5728\u5185\u6838\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u7684\u6570\u636e\u7ed3\u6784\u3002\u901a\u8fc7\u6620\u5c04\uff0cBPF\u7a0b\u5e8f\u53ef\u4ee5\u5b58\u50a8\u548c\u68c0\u7d22\u6570\u636e\uff0c\u4f8b\u5982\u8ba1\u6570\u5668\u3001\u54c8\u5e0c\u8868\u3001\u6570\u7ec4\u7b49\u3002\u6620\u5c04\u7684\u4f7f\u7528\u6781\u5927\u5730\u6269\u5c55\u4e86BPF\u7a0b\u5e8f\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u5904\u7406\u548c\u5b58\u50a8\u6570\u636e\u3002<\/p>\n\n\n\n\n

BPF\u94a9\u5b50\uff08Hooks\uff09<\/h4>\n\n\n\n\n

BPF\u94a9\u5b50\u662f\u5185\u6838\u4e2d\u9884\u5b9a\u4e49\u7684\u6267\u884c\u70b9\uff0cBPF\u7a0b\u5e8f\u53ef\u4ee5\u6302\u8f7d\u5728\u8fd9\u4e9b\u94a9\u5b50\u4e0a\uff0c\u5728\u7279\u5b9a\u7684\u5185\u6838\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u3002\u5e38\u89c1\u7684BPF\u94a9\u5b50\u5305\u62ec\u7f51\u7edc\u5305\u5904\u7406\u94a9\u5b50\uff08\u5982XDP\uff09\u3001\u7cfb\u7edf\u8c03\u7528\u94a9\u5b50\u3001\u5185\u6838\u51fd\u6570\u5165\u53e3\/\u51fa\u53e3\u94a9\u5b50\u7b49\u3002\u901a\u8fc7\u5728\u4e0d\u540c\u7684\u94a9\u5b50\u4e0a\u6302\u8f7dBPF\u7a0b\u5e8f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u591a\u6837\u5316\u7684\u76d1\u63a7\u548c\u63a7\u5236\u529f\u80fd\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n\n

eBPF\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u6db5\u76d6\u4e86\u7f51\u7edc\u3001\u6027\u80fd\u76d1\u63a7\u3001\u5b89\u5168\u7b49\u591a\u4e2a\u9886\u57df\u3002<\/p>\n\n\n\n\n

\u7f51\u7edc\u76d1\u63a7\u4e0e\u4f18\u5316<\/h4>\n\n\n\n\n

eBPF\u5728\u7f51\u7edc\u76d1\u63a7\u548c\u4f18\u5316\u65b9\u9762\u6709\u7740\u5929\u7136\u7684\u4f18\u52bf\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884cBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u7f51\u7edc\u5305\u7684\u9ad8\u6548\u6355\u83b7\u548c\u5206\u6790\u3002\u4f8b\u5982\uff0c\u4f7f\u7528XDP\uff08eXpress Data Path\uff09\u53ef\u4ee5\u5728\u7f51\u7edc\u5305\u5230\u8fbe\u5185\u6838\u534f\u8bae\u6808\u4e4b\u524d\u8fdb\u884c\u5904\u7406\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u5305\u8fc7\u6ee4\u548c\u8f6c\u53d1\u3002<\/p>\n\n\n\n\n

\u6b64\u5916\uff0ceBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u6027\u80fd\u76d1\u63a7<\/a>\uff0c\u4f8b\u5982\u901a\u8fc7\u8ddf\u8e2a\u7f51\u7edc\u534f\u8bae\u6808\u7684\u5173\u952e\u8def\u5f84\uff0c\u5206\u6790\u7f51\u7edc\u5ef6\u8fdf\u548c\u4e22\u5305\u539f\u56e0\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n\n\n\n\n

\u6027\u80fd\u76d1\u63a7\u4e0e\u8c03\u8bd5<\/h4>\n\n\n\n\n

eBPF\u5728\u6027\u80fd\u76d1\u63a7\u548c\u8c03\u8bd5\u65b9\u9762\u4e5f\u8868\u73b0\u51fa\u8272\u3002\u901a\u8fc7\u5728\u5185\u6838\u51fd\u6570\u5165\u53e3\/\u51fa\u53e3\u5904\u6302\u8f7dBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u7684\u6027\u80fd\u6307\u6807\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u6d88\u8017\u3001I\/O\u64cd\u4f5c\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u53ef\u4ee5\u7528\u4e8e\u8bca\u65ad\u7cfb\u7edf\u74f6\u9888\uff0c\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n\n\n\n\n

eBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8ddf\u8e2a\u7528\u6237\u7a7a\u95f4\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u4f8b\u5982\u901a\u8fc7\u8ddf\u8e2a\u7cfb\u7edf\u8c03\u7528\u548c\u5e93\u51fd\u6570\u8c03\u7528\uff0c\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u6267\u884c\u8def\u5f84\u548c\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n\n\n\n\n

\u5b89\u5168\u5ba1\u8ba1\u4e0e\u9632\u62a4<\/h4>\n\n\n\n\n

eBPF\u5728\u5b89\u5168\u9886\u57df\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u901a\u8fc7\u76d1\u63a7\u5185\u6838\u548c\u7528\u6237\u7a7a\u95f4\u7684\u884c\u4e3a\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u68c0\u6d4b\u548c\u9632\u5fa1\u5404\u79cd\u5b89\u5168\u5a01\u80c1\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u8ddf\u8e2a\u7cfb\u7edf\u8c03\u7528\u548c\u6587\u4ef6\u64cd\u4f5c\uff0c\u53ef\u4ee5\u68c0\u6d4b\u5230\u5f02\u5e38\u884c\u4e3a\uff0c\u5982\u6743\u9650\u63d0\u5347\u3001\u6570\u636e\u6cc4\u9732\u7b49\u3002<\/p>\n\n\n\n\n

\u6b64\u5916\uff0ceBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u4f8b\u5982\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u52a8\u6001\u5730\u4fee\u6539\u8bbf\u95ee\u63a7\u5236\u7b56\u7565\uff0c\u5b9e\u73b0\u5bf9\u7279\u5b9a\u8d44\u6e90\u7684\u4fdd\u62a4\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u4f18\u52bf<\/h3>\n\n\n\n\n

eBPF\u4e4b\u6240\u4ee5\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\uff0c\u4e3b\u8981\u5f97\u76ca\u4e8e\u5176\u72ec\u7279\u7684\u4f18\u52bf\u3002<\/p>\n\n\n\n\n

\u9ad8\u6027\u80fd<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u8fd0\u884c\u5728\u5185\u6838\u4e2d\uff0c\u907f\u514d\u4e86\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\u4e4b\u95f4\u7684\u4e0a\u4e0b\u6587\u5207\u6362\uff0c\u4ece\u800c\u5b9e\u73b0\u4e86\u9ad8\u6027\u80fd\u7684\u6570\u636e\u5904\u7406\u3002\u6b64\u5916\uff0ceBPF\u6307\u4ee4\u96c6\u7ecf\u8fc7\u4f18\u5316\uff0c\u6267\u884c\u6548\u7387\u9ad8\uff0c\u5bf9\u7cfb\u7edf\u8d44\u6e90\u7684\u6d88\u8017\u8f83\u5c0f\u3002<\/p>\n\n\n\n\n

\u7075\u6d3b\u6027<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u52a0\u8f7d\u548c\u66f4\u65b0\uff0c\u65e0\u9700\u91cd\u542f\u7cfb\u7edf\u6216\u91cd\u65b0\u7f16\u8bd1\u5185\u6838\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9700\u8981\uff0c\u968f\u65f6\u8c03\u6574\u548c\u4f18\u5316BPF\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n

\u5b89\u5168\u6027<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u5728\u52a0\u8f7d\u4e4b\u524d\u4f1a\u7ecf\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u4e0d\u4f1a\u5bfc\u81f4\u5185\u6838\u5d29\u6e83\u6216\u5b89\u5168\u95ee\u9898\u3002\u6b64\u5916\uff0ceBPF\u7a0b\u5e8f\u7684\u6267\u884c\u6743\u9650\u53d7\u5230\u9650\u5236\uff0c\u53ea\u80fd\u8bbf\u95ee\u7279\u5b9a\u7684\u5185\u6838\u8d44\u6e90\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n\n

\u53ef\u6269\u5c55\u6027<\/h4>\n\n\n\n\n

eBPF\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u94a9\u5b50\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u548c\u9700\u6c42\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684BPF\u7a0b\u5e8f\u548c\u94a9\u5b50\uff0c\u5b9e\u73b0\u591a\u6837\u5316\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u5f00\u53d1\u5de5\u5177\u548c\u751f\u6001\u7cfb\u7edf<\/h3>\n\n\n\n\n

\u968f\u7740eBPF\u7684\u666e\u53ca\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u5f00\u53d1\u5de5\u5177\u548c\u5e93\u88ab\u63a8\u51fa\uff0c\u6781\u5927\u5730\u7b80\u5316\u4e86eBPF\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u3002<\/p>\n\n\n\n\n

BCC\uff08BPF Compiler Collection\uff09<\/h4>\n\n\n\n\n

BCC\u662f\u4e00\u4e2a\u5f00\u6e90\u7684eBPF\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5e93\u548c\u5de5\u5177\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u7f16\u5199\u3001\u7f16\u8bd1\u548c\u8c03\u8bd5BPF\u7a0b\u5e8f\u3002BCC\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5982C\u3001Python\u7b49\uff0c\u4f7f\u5f97eBPF\u7a0b\u5e8f\u7684\u5f00\u53d1\u66f4\u52a0\u4fbf\u6377\u3002<\/p>\n\n\n\n\n

bpftrace<\/h4>\n\n\n\n\n

bpftrace\u662f\u4e00\u4e2a\u9ad8\u6548\u7684eBPF\u8ddf\u8e2a\u5de5\u5177\uff0c\u7c7b\u4f3c\u4e8eawk\u3001sed\u7b49\u6587\u672c\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5feb\u901f\u7f16\u5199\u548c\u6267\u884ceBPF\u8ddf\u8e2a\u811a\u672c\u3002bpftrace\u7684\u8bed\u6cd5\u7b80\u6d01\uff0c\u6613\u4e8e\u4e0a\u624b\uff0c\u9002\u5408\u5feb\u901f\u8bca\u65ad\u548c\u8c03\u8bd5\u7cfb\u7edf\u95ee\u9898\u3002<\/p>\n\n\n\n\n

libbpf<\/h4>\n\n\n\n\n

libbpf\u662fLinux\u5185\u6838\u63d0\u4f9b\u7684\u4e00\u4e2aeBPF\u5e93\uff0c\u7528\u4e8e\u52a0\u8f7d\u548c\u7ba1\u7406BPF\u7a0b\u5e8f\u3002libbpf\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684API\uff0c\u652f\u6301\u591a\u79cdBPF\u529f\u80fd\u548c\u6570\u636e\u7ed3\u6784\uff0c\u662f\u5f00\u53d1\u590d\u6742eBPF\u5e94\u7528\u7684\u57fa\u7840\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u672a\u6765\u5c55\u671b<\/h3>\n\n\n\n\n

eBPF\u4f5c\u4e3a\u4e00\u79cd\u65b0\u5174\u7684\u6280\u672f\uff0c\u6b63\u5904\u4e8e\u5feb\u901f\u53d1\u5c55\u7684\u9636\u6bb5\u3002\u672a\u6765\uff0ceBPF\u6709\u671b\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u53d6\u5f97\u66f4\u5927\u7684\u7a81\u7834\u3002<\/p>\n\n\n\n\n

\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/h4>\n\n\n\n\n

\u968f\u7740eBPF\u529f\u80fd\u7684\u4e0d\u65ad\u6269\u5c55\u548c\u5b8c\u5584\uff0c\u5176\u5e94\u7528\u573a\u666f\u5c06\u8fdb\u4e00\u6b65\u62d3\u5bbd\u3002\u4f8b\u5982\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u66f4\u667a\u80fd\u7684\u7f51\u7edc\u8c03\u5ea6\u3001\u66f4\u7cbe\u7ec6\u7684\u8d44\u6e90\u7ba1\u7406\u3001\u66f4\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u7b49\u3002<\/p>\n\n\n\n\n

\u66f4\u5f3a\u5927\u7684\u5f00\u53d1\u5de5\u5177<\/h4>\n\n\n\n\n

\u968f\u7740eBPF\u751f\u6001\u7cfb\u7edf\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u5c06\u4f1a\u6709\u66f4\u591a\u5f3a\u5927\u7684\u5f00\u53d1\u5de5\u5177\u548c\u5e93\u88ab\u63a8\u51fa\uff0c\u8fdb\u4e00\u6b65\u7b80\u5316eBPF\u7a0b\u5e8f\u7684\u5f00\u53d1\u548c\u90e8\u7f72\u3002\u4f8b\u5982\uff0c\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u7684\u652f\u6301\u3001\u53ef\u89c6\u5316\u8c03\u8bd5\u5de5\u5177\u7b49\u3002<\/p>\n\n\n\n\n

\u66f4\u6df1\u5165\u7684\u6280\u672f\u878d\u5408<\/h4>\n\n\n\n\n

eBPF\u53ef\u4ee5\u4e0e\u5176\u4ed6\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\u3002\u4f8b\u5982\uff0c\u4e0e\u5bb9\u5668\u6280\u672f\u7ed3\u5408\uff0c\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5bb9\u5668\u7f51\u7edc\u548c\u8d44\u6e90\u7ba1\u7406\uff1b\u4e0e\u673a\u5668\u5b66\u4e60\u6280\u672f\u7ed3\u5408\uff0c\u5b9e\u73b0\u667a\u80fd\u5316\u7684\u7cfb\u7edf\u4f18\u5316\u548c\u6545\u969c\u8bca\u65ad\u3002<\/p>\n\n\n\n\n

\u66f4\u5e7f\u6cdb\u7684\u5f00\u6e90\u793e\u533a\u652f\u6301<\/h4>\n\n\n\n\n

eBPF\u7684\u5f00\u6e90\u793e\u533a\u6b63\u5728\u4e0d\u65ad\u58ee\u5927\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u5f00\u53d1\u8005\u548c\u4f01\u4e1a\u53c2\u4e0e\u5230eBPF\u7684\u5f00\u53d1\u548c\u63a8\u5e7f\u4e2d\u3002\u672a\u6765\uff0c\u968f\u7740\u793e\u533a\u529b\u91cf\u7684\u589e\u5f3a\uff0ceBPF\u7684\u6280\u672f\u6210\u719f\u5ea6\u548c\u5e94\u7528\u666e\u53ca\u5ea6\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\u3002<\/p>\n\n\n\n\n

\u7ed3\u8bed<\/h3>\n\n\n\n\n

eBPF\u4f5c\u4e3a\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u4e3a\u7cfb\u7edf\u5f00\u53d1\u5e26\u6765\u4e86\u524d\u6240\u672a\u6709\u7684\u673a\u9047\u548c\u53ef\u80fd\u6027\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u9ad8\u6548\u7684BPF\u7a0b\u5e8f\uff0ceBPF\u5b9e\u73b0\u4e86\u9ad8\u6027\u80fd\u3001\u7075\u6d3b\u3001\u5b89\u5168\u7684\u7cfb\u7edf\u76d1\u63a7\u548c\u63a7\u5236\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f51\u7edc\u3001\u6027\u80fd\u76d1\u63a7\u3001\u5b89\u5168\u7b49\u591a\u4e2a\u9886\u57df\u3002\u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0c\u5176\u5e94\u7528\u573a\u666f\u548c\u5f71\u54cd\u529b\u5c06\u8fdb\u4e00\u6b65\u6269\u5927\uff0c\u6210\u4e3a\u7cfb\u7edf\u5f00\u53d1\u9886\u57df\u7684\u91cd\u8981\u529b\u91cf\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u638c\u63e1eBPF\u6280\u672f\uff0c\u5c06\u4e3a\u5176\u5728\u7cfb\u7edf\u5f00\u53d1\u9886\u57df\u7684\u53d1\u5c55\u63d0\u4f9b\u5f3a\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n\n\n]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

\t\t\t\t\t\t<\/p>\n","protected":false},"author":5,"featured_media":20333,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-28990","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/28990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=28990"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/28990\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/20333"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=28990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=28990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=28990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}