{"id":24249,"date":"2025-01-15T13:33:21","date_gmt":"2025-01-15T05:33:21","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=24249"},"modified":"2025-01-15T13:33:21","modified_gmt":"2025-01-15T05:33:21","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8ebpf%e8%bf%9b%e8%a1%8c%e7%b3%bb%e7%bb%9f%e6%80%a7%e8%83%bd%e7%9b%91%e6%8e%a7%e4%b8%8e%e4%bc%98%e5%8c%96%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/24249.html","title":{"rendered":"\u5982\u4f55\u5229\u7528eBPF\u8fdb\u884c\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\uff1f"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[\n                \n\n<p style=\"text-align: center;\">\n\n<p><img decoding=\"async\" src=\"https:\/\/pic.zadbj010.com\/2025\/71d5baecc4aa0a8.jpg\" alt=\"\u5982\u4f55\u5229\u7528eBPF\u8fdb\u884c\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\uff1f\" 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Filter\uff09\u4f5c\u4e3a\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u6b63\u5728\u6539\u53d8\u8fd9\u4e00\u73b0\u72b6\u3002\u5b83\u4e0d\u4ec5\u80fd\u591f\u4ee5\u6781\u4f4e\u7684\u5f00\u9500\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u7cfb\u7edf\u76d1\u63a7\uff0c\u8fd8\u63d0\u4f9b\u4e86\u524d\u6240\u672a\u6709\u7684\u7075\u6d3b\u6027\u548c\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5229\u7528eBPF\u8fdb\u884c\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\uff0c\u5e2e\u52a9\u60a8\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u66f4\u53ef\u9760\u7684\u7cfb\u7edf\u3002<\/p>\n\n\n\n\n<h3>\u4ec0\u4e48\u662feBPF\uff1f<\/h3>\n\n\n\n\n<p>eBPF\u662f\u4e00\u79cd\u8fd0\u884c\u5728Linux\u5185\u6838\u4e2d\u7684\u865a\u62df\u673a\u6280\u672f\uff0c\u6700\u521d\u8bbe\u8ba1\u7528\u4e8e\u7f51\u7edc\u6570\u636e\u5305\u7684\u8fc7\u6ee4\u3002\u7136\u800c\uff0c\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0ceBPF\u5df2\u7ecf\u6269\u5c55\u5230\u4e86\u7cfb\u7edf\u76d1\u63a7\u3001\u5b89\u5168\u5ba1\u8ba1\u3001\u6027\u80fd\u4f18\u5316\u7b49\u591a\u4e2a\u9886\u57df\u3002<strong>eBPF\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176\u80fd\u591f\u5728\u65e0\u9700\u4fee\u6539\u5185\u6838\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u52a8\u6001\u6ce8\u5165\u81ea\u5b9a\u4e49\u7a0b\u5e8f\u5230\u5185\u6838\u4e2d\u6267\u884c<\/strong>\u3002\u8fd9\u79cd\u80fd\u529b\u4f7f\u5f97eBPF\u6210\u4e3a\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316\u7684\u7406\u60f3\u5de5\u5177\u3002<\/p>\n\n\n\n\n<h3>eBPF\u5728\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n\n<h4>1. <strong>\u4f4e\u5f00\u9500\u7684\u5b9e\u65f6\u76d1\u63a7<\/strong><\/h4>\n\n\n\n\n<p>\u4f20\u7edf\u7684\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff08\u5982<code>strace<\/code>\u6216<code>perf<\/code>\uff09\u901a\u5e38\u9700\u8981\u8f83\u9ad8\u7684\u7cfb\u7edf\u5f00\u9500\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u8d1f\u8f7d\u73af\u5883\u4e0b\uff0c\u53ef\u80fd\u4f1a\u5bf9\u7cfb\u7edf\u6027\u80fd\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002\u800ceBPF\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u76f4\u63a5\u8fd0\u884c\u76d1\u63a7\u7a0b\u5e8f\uff0c\u80fd\u591f\u4ee5\u6781\u4f4e\u7684\u5f00\u9500\u6355\u83b7\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u4e8b\u4ef6\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\u5173\u952e\u6570\u636e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528eBPF\u53ef\u4ee5\u8f7b\u677e\u76d1\u63a7\u67d0\u4e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u9891\u7387\uff0c\u800c\u4e0d\u4f1a\u5bf9\u7cfb\u7edf\u6027\u80fd\u9020\u6210\u660e\u663e\u8d1f\u62c5\u3002<\/p>\n\n\n\n\n<h4>2. <strong>\u7ec6\u7c92\u5ea6\u7684\u6570\u636e\u91c7\u96c6<\/strong><\/h4>\n\n\n\n\n<p>eBPF\u5141\u8bb8\u5f00\u53d1\u8005\u5b9a\u4e49\u975e\u5e38\u7ec6\u7c92\u5ea6\u7684\u76d1\u63a7\u70b9\uff0c\u4f8b\u5982\u7279\u5b9a\u51fd\u6570\u7684\u8c03\u7528\u6b21\u6570\u3001\u5185\u5b58\u5206\u914d\u7684\u5927\u5c0f\u3001\u7f51\u7edc\u6570\u636e\u5305\u7684\u5ef6\u8fdf\u7b49\u3002\u8fd9\u79cd\u7ec6\u7c92\u5ea6\u7684\u6570\u636e\u91c7\u96c6\u80fd\u529b\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u66f4\u7cbe\u51c6\u5730\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u3002\u4f8b\u5982\uff0c\u901a\u8fc7eBPF\u53ef\u4ee5\u76d1\u63a7\u67d0\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u5206\u914d\u884c\u4e3a\uff0c\u4ece\u800c\u53d1\u73b0\u6f5c\u5728\u7684\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002<\/p>\n\n\n\n\n<h4>3. <strong>\u52a8\u6001\u6ce8\u5165\u4e0e\u7075\u6d3b\u6027<\/strong><\/h4>\n\n\n\n\n<p>eBPF\u7684\u4e00\u4e2a\u663e\u8457\u7279\u70b9\u662f\u5176\u52a8\u6001\u6ce8\u5165\u80fd\u529b\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u4e0d\u91cd\u542f\u7cfb\u7edf\u7684\u60c5\u51b5\u4e0b\uff0c\u52a8\u6001\u52a0\u8f7d\u548c\u5378\u8f7deBPF\u7a0b\u5e8f\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97eBPF\u975e\u5e38\u9002\u5408\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u7684\u5b9e\u65f6\u76d1\u63a7\u4e0e\u8c03\u8bd5\u3002\u4f8b\u5982\uff0c\u5f53\u7cfb\u7edf\u51fa\u73b0\u6027\u80fd\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u7acb\u5373\u52a0\u8f7d\u4e00\u4e2aeBPF\u7a0b\u5e8f\u6765\u6355\u83b7\u76f8\u5173\u6570\u636e\uff0c\u800c\u65e0\u9700\u4e2d\u65ad\u670d\u52a1\u3002<\/p>\n\n\n\n\n<h3>eBPF\u5728\u7cfb\u7edf\u6027\u80fd\u4f18\u5316\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n\n<h4>1. 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