{"id":36908,"date":"2025-04-11T15:16:55","date_gmt":"2025-04-11T07:16:55","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=36908"},"modified":"2025-04-11T15:16:55","modified_gmt":"2025-04-11T07:16:55","slug":"ebpf%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f%e5%ae%83%e5%a6%82%e4%bd%95%e6%94%b9%e5%8f%98linux%e5%86%85%e6%a0%b8%e7%bc%96%e7%a8%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/36908.html","title":{"rendered":"eBPF\u662f\u4ec0\u4e48\uff1f\u5b83\u5982\u4f55\u6539\u53d8Linux\u5185\u6838\u7f16\u7a0b\uff1f"},"content":{"rendered":"

\n

\"eBPF\u662f\u4ec0\u4e48\uff1f\u5b83\u5982\u4f55\u6539\u53d8Linux\u5185\u6838\u7f16\u7a0b\uff1f\"<\/p>\n<\/p>\n

\n

\u5728\u6280\u672f\u6f14\u8fdb\u7684\u6d6a\u6f6e\u4e2d\uff0cLinux\u5185\u6838\u7684\u6bcf\u4e00\u6b21\u53d8\u9769\u90fd\u50cf\u4e00\u573a\u9759\u9ed8\u7684\u9769\u547d\u3002\u4f20\u7edf\u5185\u6838\u5f00\u53d1\u9700\u8981\u5f00\u53d1\u8005\u6df1\u5165\u5185\u6838\u6e90\u7801\u3001\u91cd\u65b0\u7f16\u8bd1\u6a21\u5757\u7684”\u5200\u8015\u706b\u79cd”\u6a21\u5f0f\uff0c\u66fe\u8ba9\u65e0\u6570\u7a0b\u5e8f\u5458\u5728\u7cfb\u7edf\u7a33\u5b9a\u6027\u4e0e\u529f\u80fd\u521b\u65b0\u95f4\u8270\u96be\u6743\u8861\u3002\u76f4\u5230eBPF<\/a><\/strong>\u6280\u672f\u7684\u51fa\u73b0\uff0c\u8fd9\u573a\u6301\u7eed\u4e86\u4e09\u5341\u5e74\u7684\u5f00\u53d1\u8303\u5f0f\u5f00\u59cb\u53d1\u751f\u6839\u672c\u6027\u8f6c\u53d8\u2014\u2014\u5b83\u8ba9Linux\u5185\u6838\u83b7\u5f97\u4e86\u52a8\u6001\u7f16\u7a0b\u80fd\u529b<\/strong>\uff0c\u5c31\u50cf\u4e3a\u94a2\u94c1\u5de8\u517d\u6ce8\u5165\u4e86\u7075\u52a8\u7684\u7075\u9b42\u3002<\/p>\n

\n

\u4e00\u3001\u89e3\u6784eBPF<\/a>\uff1a\u5185\u6838\u7684”\u5373\u65f6\u7f16\u8bd1\u5668”<\/h3>\n

eBPF<\/strong>\uff08Extended Berkeley Packet Filter\uff09\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u52301992\u5e74\u7684BPF\u6280\u672f\u3002\u6700\u521d\u7684BPF\u53ea\u662f\u7528\u4e8e\u7f51\u7edc\u5305\u8fc7\u6ee4\u7684\u7b80\u5355\u865a\u62df\u673a\uff0c\u800c\u7ecf\u8fc7\u4e8c\u5341\u591a\u5e74\u7684\u8fdb\u5316\uff0c\u5982\u4eca\u7684eBPF\u5df2\u7ecf\u6210\u4e3aLinux\u5185\u6838\u7684\u901a\u7528\u6267\u884c\u5f15\u64ce<\/strong>\u3002\u5b83\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u521b\u5efa\u5b89\u5168\u7684\u6c99\u7bb1\u73af\u5883\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u4fee\u6539\u5185\u6838\u6e90\u7801\u3001\u4e0d\u91cd\u542f\u7cfb\u7edf\u7684\u524d\u63d0\u4e0b\uff0c\u52a8\u6001\u52a0\u8f7d\u5e76\u8fd0\u884c\u81ea\u5b9a\u4e49\u7a0b\u5e8f\u3002<\/p>\n

\u4e0e\u4f20\u7edf\u5185\u6838\u6a21\u5757\u7684\u5bf9\u6bd4\u6700\u80fd\u51f8\u663e\u5176\u9769\u547d\u6027\uff1a<\/p>\n

    \n
  • \u5b89\u5168\u6027<\/strong>\uff1a\u6bcf\u4e2aeBPF\u7a0b\u5e8f\u5fc5\u987b\u901a\u8fc7200\u4f59\u9879\u9759\u6001\u9a8c\u8bc1\u68c0\u67e5\uff0c\u786e\u4fdd\u4e0d\u4f1a\u5f15\u53d1\u5185\u6838\u5d29\u6e83\n<\/li>\n
  • \u5373\u65f6\u6027<\/strong>\uff1a\u7a0b\u5e8f\u52a0\u8f7d\u540e\u7acb\u5373\u751f\u6548\uff0c\u65e0\u9700\u7b49\u5f85\u5185\u6838\u7f16\u8bd1\u6216\u7cfb\u7edf\u91cd\u542f\n<\/li>\n
  • \u8de8\u7248\u672c\u517c\u5bb9<\/strong>\uff1a\u540c\u4e00\u4efdeBPF\u4ee3\u7801\u53ef\u5728\u4e0d\u540c\u5185\u6838\u7248\u672c\u4e0a\u8fd0\u884c\uff0c\u89e3\u51b3\u4e86\u957f\u671f\u56f0\u6270\u5f00\u53d1\u8005\u7684\u788e\u7247\u5316\u95ee\u9898\n<\/li>\n<\/ul>\n

    \u8fd9\u5c31\u50cf\u4e3aLinux\u5185\u6838\u5b89\u88c5\u4e86\u4e00\u4e2a”\u5b9e\u65f6\u63d2\u4ef6\u7cfb\u7edf”\uff0c\u5f7b\u5e95\u6539\u53d8\u4e86\u4e0e\u5185\u6838\u4ea4\u4e92\u7684\u65b9\u5f0f\u3002<\/p>\n

    \n

    \u4e8c\u3001\u6280\u672f\u67b6\u6784\u63ed\u79d8\uff1a\u5982\u4f55\u5b9e\u73b0”\u5185\u6838\u70ed\u66f4\u65b0”<\/h3>\n

    eBPF\u7684\u6838\u5fc3\u67b6\u6784\u5efa\u7acb\u5728\u4e09\u4e2a\u5173\u952e\u7ec4\u4ef6\u4e4b\u4e0a\uff1a<\/p>\n

      \n
    1. \n

      \u9a8c\u8bc1\u5668(Verifier)<\/strong>
      \n\u8fd9\u662f\u5b88\u62a4\u5185\u6838\u5b89\u5168\u7684”\u94c1\u95f8\u95e8”\u3002\u5f53\u5f00\u53d1\u8005\u63d0\u4ea4eBPF\u5b57\u8282\u7801\u65f6\uff0c\u9a8c\u8bc1\u5668\u4f1a\u6267\u884c\u5305\u62ec\u63a7\u5236\u6d41\u5206\u6790\u3001\u5185\u5b58\u8bbf\u95ee\u68c0\u67e5\u5728\u5185\u7684\u591a\u7ef4\u5ea6\u5ba1\u67e5\u3002\u4f8b\u5982\uff0c\u5b83\u4f1a\u4e25\u683c\u7981\u6b62\u51fa\u73b0\u5faa\u73af\u7ed3\u6784\uff0c\u786e\u4fdd\u4efb\u4f55\u7a0b\u5e8f\u90fd\u80fd\u5728\u6709\u9650\u6b65\u9aa4\u5185\u5b8c\u6210\u6267\u884c\u3002<\/p>\n<\/li>\n

    2. \n

      \u5373\u65f6\u7f16\u8bd1\u5668(JIT)<\/strong>
      \n\u4e3a\u4e86\u63d0\u9ad8\u6267\u884c\u6548\u7387\uff0c\u5185\u6838\u4f1a\u5c06\u9a8c\u8bc1\u901a\u8fc7\u7684\u5b57\u8282\u7801\u52a8\u6001\u7f16\u8bd1\u4e3a\u672c\u5730\u673a\u5668\u7801\u3002\u5b9e\u6d4b\u6570\u636e\u663e\u793a\uff0c\u7ecf\u8fc7JIT\u7f16\u8bd1\u7684eBPF\u7a0b\u5e8f\u6267\u884c\u6548\u7387\u53ef\u8fbe\u539f\u751fC\u4ee3\u7801\u768490%\u4ee5\u4e0a\u3002<\/p>\n<\/li>\n

    3. \n

      \u6620\u5c04(Map)\u673a\u5236<\/strong>
      \n\u901a\u8fc7\u5171\u4eab\u5185\u5b58\u533a\u57df\uff0ceBPF\u7a0b\u5e8f\u4e0d\u4ec5\u80fd\u5728\u5185\u6838\u5185\u90e8\u4f20\u9012\u6570\u636e\uff0c\u8fd8\u80fd\u4e0e\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u5b9e\u65f6\u4ea4\u4e92\u3002\u8fd9\u79cd\u8bbe\u8ba1\u8ba9\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\u53ef\u4ee5\u6bcf\u79d2\u5904\u7406\u767e\u4e07\u7ea7\u4e8b\u4ef6\uff0c\u800c\u6027\u80fd\u635f\u8017\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u8fd9\u79cd\u7cbe\u5de7\u7684\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u50cfCilium<\/strong>\u8fd9\u6837\u7684\u7f51\u7edc\u65b9\u6848\u80fd\u591f\u5b9e\u73b0\u5fae\u79d2\u7ea7\u5ef6\u8fdf\u7684\u670d\u52a1\u7f51\u683c\uff0c\u800cFalco<\/strong>\u5b89\u5168\u5de5\u5177\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u5b9e\u65f6\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\u3002<\/p>\n

      \n

      \u4e09\u3001\u5f00\u53d1\u8303\u5f0f\u8fc1\u79fb\uff1a\u4ece”\u5185\u6838\u9ed1\u5ba2”\u5230”\u5b89\u5168\u7f16\u7a0b”<\/h3>\n

      eBPF\u5e26\u6765\u7684\u4e0d\u4ec5\u662f\u6280\u672f\u5347\u7ea7\uff0c\u66f4\u5f15\u53d1\u4e86\u5f00\u53d1\u6587\u5316\u7684\u6df1\u5c42\u53d8\u9769\uff1a<\/p>\n

        \n
      • \n

        \u5de5\u5177\u94fe\u9769\u65b0<\/strong>\uff1aLLVM\u7f16\u8bd1\u5668\u652f\u6301\u5c06C\u4ee3\u7801\u7f16\u8bd1\u4e3aeBPF\u5b57\u8282\u7801\uff0cBCC\u6846\u67b6\u63d0\u4f9b\u4e86Python\u524d\u7aef\u5e93\uff0cbpftrace\u5219\u5b9e\u73b0\u4e86\u7c7b\u4f3cAWK\u7684\u811a\u672c\u5316\u7f16\u7a0b\u3002\u5f00\u53d1\u8005\u751a\u81f3\u53ef\u4ee5\u4f7f\u7528Rust\u7b49\u73b0\u4ee3\u8bed\u8a00\u7f16\u5199eBPF\u7a0b\u5e8f\u3002<\/p>\n<\/li>\n

      • \n

        \u8c03\u8bd5\u65b9\u5f0f\u8f6c\u53d8<\/strong>\uff1a\u901a\u8fc7bpftool<\/code>\u53ef\u4ee5\u5b9e\u65f6\u89c2\u5bdf\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\uff0c\u800c\u4f20\u7edf\u7684\u5185\u6838\u8c03\u8bd5\u5f80\u5f80\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5e76\u89e6\u53d1\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n<\/li>\n

      • \n

        \u534f\u4f5c\u6a21\u5f0f\u5347\u7ea7<\/strong>\uff1a\u7528\u6237\u6001\u4e0e\u5185\u6838\u6001\u7684\u5f00\u53d1\u8005\u4e0d\u518d\u9700\u8981\u6df1\u5ea6\u8026\u5408\u3002\u4e91\u5382\u5546\u53ef\u4ee5\u901a\u8fc7eBPF\u5b9e\u73b0\u5b9a\u5236\u5316\u7f51\u7edc\u7b56\u7565\uff0c\u800c\u65e0\u9700\u7b49\u5f85\u4e0a\u6e38\u5185\u6838\u5408\u5e76\u8865\u4e01\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u57282023\u5e74Linux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u62a5\u544a\u4e2d\uff0c\u4f7f\u7528eBPF\u7684\u9879\u76ee\u6570\u91cf\u540c\u6bd4\u589e\u957f\u4e86217%\uff0c\u5176\u4e2d\u6027\u80fd\u76d1\u63a7<\/strong>\u548c\u5b89\u5168\u52a0\u56fa<\/strong>\u662f\u6700\u4e3b\u8981\u7684\u5e94\u7528\u573a\u666f\u3002\u5fae\u8f6fAzure\u5c06eBPF\u7528\u4e8e\u5206\u5e03\u5f0f\u9632\u706b\u5899\uff0cNetflix\u5219\u57fa\u4e8eeBPF\u6784\u5efa\u4e86\u6bcf\u79d2\u5904\u7406\u767e\u4e07\u7ea7\u6307\u6807\u7684\u76d1\u63a7\u7cfb\u7edf\u3002<\/p>\n

        \n

        \u56db\u3001\u771f\u5b9e\u4e16\u754c\u7684\u5f71\u54cd\uff1a\u91cd\u65b0\u5b9a\u4e49\u57fa\u7840\u8bbe\u65bd<\/h3>\n

        \u5f53\u6280\u672f\u7406\u5ff5\u7167\u8fdb\u73b0\u5b9e\uff0ceBPF\u6b63\u5728\u91cd\u5851\u6574\u4e2a\u8ba1\u7b97\u57fa\u7840\u8bbe\u65bd\uff1a<\/p>\n

          \n
        • \n

          \u4e91\u539f\u751f\u9769\u547d<\/strong>\uff1aKubernetes\u7f51\u7edc\u65b9\u6848Cilium\u901a\u8fc7eBPF\u66ff\u4ee3iptables\uff0c\u5c06\u670d\u52a1\u53d1\u73b0\u5ef6\u8fdf\u4ece\u6beb\u79d2\u7ea7\u964d\u81f3\u5fae\u79d2\u7ea7\u3002\u5728\u4e07\u8282\u70b9\u96c6\u7fa4\u4e2d\uff0c\u8fd9\u79cd\u4f18\u5316\u610f\u5473\u7740\u6bcf\u5e74\u53ef\u8282\u7701\u6570\u767e\u4e07\u7f8e\u5143\u7684\u8ba1\u7b97\u6210\u672c\u3002<\/p>\n<\/li>\n

        • \n

          \u53ef\u89c2\u6d4b\u6027\u7a81\u7834<\/strong>\uff1aBCC\u5de5\u5177\u96c6\u80fd\u591f\u4ee5\u4f4e\u4e8e1%\u7684CPU\u5f00\u9500\u6355\u83b7\u7cfb\u7edf\u8c03\u7528\u3001\u8c03\u5ea6\u4e8b\u4ef6\u7b49\u6df1\u5ea6\u6307\u6807\u3002\u8fd9\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48Datadog\u3001NewRelic\u7b49APM\u5382\u5546\u7eb7\u7eb7\u5c06eBPF\u4f5c\u4e3a\u65b0\u4e00\u4ee3\u63a2\u9488\u6280\u672f\u7684\u6838\u5fc3\u3002<\/p>\n<\/li>\n

        • \n

          \u5b89\u5168\u9632\u62a4\u8fdb\u5316<\/strong>\uff1aTracee\u5de5\u5177\u5229\u7528eBPF\u5b9e\u73b0\u4e86\u96f6\u8bef\u62a5\u7684\u5165\u4fb5\u68c0\u6d4b\uff0c\u5176\u57fa\u4e8e\u884c\u4e3a\u6a21\u5f0f\u7684\u68c0\u6d4b\u6a21\u578b\u53d1\u73b0\u4e86\u591a\u4e2aLinux\u5185\u6838\u7684\u96f6\u65e5\u6f0f\u6d1e\u3002<\/p>\n<\/li>\n<\/ul>\n

          \u66f4\u4ee4\u4eba\u632f\u594b\u7684\u662f\uff0ceBPF\u7684\u5e94\u7528\u8fb9\u754c\u4ecd\u5728\u6269\u5c55\u2014\u2014\u4ece\u5b89\u5353\u624b\u673a\u7684\u6027\u80fd\u4f18\u5316\uff0c\u5230\u81ea\u52a8\u9a7e\u9a76\u7cfb\u7edf\u7684\u5b9e\u65f6\u8bca\u65ad\uff0c\u8fd9\u9879\u6280\u672f\u6b63\u5728\u7a81\u7834\u64cd\u4f5c\u7cfb\u7edf\u7684\u4f20\u7edf\u7586\u57df\u3002<\/p>\n

          \n

          \u4e94\u3001\u5f00\u53d1\u8005\u751f\u6001\u7684\u7e41\u8363\uff1a\u4ece\u5185\u6838\u5230\u7528\u6237\u7a7a\u95f4<\/h3>\n

          Linux\u57fa\u91d1\u4f1a\u4e8e2021\u5e74\u6210\u7acb\u7684eBPF\u57fa\u91d1\u4f1a\uff0c\u6807\u5fd7\u7740\u8fd9\u9879\u6280\u672f\u8fdb\u5165\u6210\u719f\u671f\u3002\u5f53\u524d\u751f\u6001\u5305\u542b\uff1a<\/p>\n

            \n
          • \u5f00\u53d1\u6846\u67b6<\/strong>\uff1aLibbpf\u66ff\u4ee3BCC\u6210\u4e3a\u5b98\u65b9\u63a8\u8350\u5e93\uff0cCO-RE\uff08Compile Once-Run Everywhere\uff09\u6280\u672f\u89e3\u51b3\u4e86\u8de8\u5185\u6838\u7248\u672c\u517c\u5bb9\u96be\u9898\n<\/li>\n
          • \u6807\u51c6\u5de5\u5177<\/strong>\uff1abpftrace\u5df2\u6210\u4e3aLinux\u6027\u80fd\u5206\u6790\u7684\u745e\u58eb\u519b\u5200\uff0c\u5176\u5355\u884c\u811a\u672c\u5373\u53ef\u5b8c\u6210\u8fc7\u53bb\u9700\u8981\u6570\u767e\u884c\u4ee3\u7801\u7684\u8ffd\u8e2a\u4efb\u52a1\n<\/li>\n
          • \u5546\u4e1a\u652f\u6301<\/strong>\uff1aIsovalent\uff08Cilium\u6bcd\u516c\u53f8\uff09\u3001Pixie\u7b49\u521d\u521b\u516c\u53f8\u83b7\u5f97\u591a\u8f6e\u878d\u8d44\uff0cAWS\u3001Google\u4e91\u5e73\u53f0\u5747\u63a8\u51fa\u57fa\u4e8eeBPF\u7684\u6258\u7ba1\u670d\u52a1\n<\/li>\n<\/ul>\n

            \u57282023\u5e74\u7684eBPF\u5cf0\u4f1a\u4e0a\uff0cLinux\u521b\u59cb\u4ebaLinus Torvalds\u8fd9\u6837\u8bc4\u4ef7\uff1a”eBPF\u53ef\u80fd\u662f\u8fc7\u53bb\u5341\u5e74\u5185\u6838\u9886\u57df\u6700\u6fc0\u52a8\u4eba\u5fc3\u7684\u521b\u65b0\uff0c\u5b83\u8ba9\u66f4\u591a\u4eba\u80fd\u5b89\u5168\u5730\u4e0e\u5185\u6838\u5bf9\u8bdd\u3002”<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5728\u6280\u672f\u6f14\u8fdb\u7684\u6d6a\u6f6e\u4e2d\uff0cLinux\u5185\u6838\u7684\u6bcf\u4e00\u6b21\u53d8\u9769\u90fd\u50cf\u4e00\u573a\u9759\u9ed8\u7684\u9769\u547d\u3002\u4f20\u7edf\u5185\u6838\u5f00\u53d1\u9700\u8981\u5f00\u53d1\u8005\u6df1\u5165\u5185\u6838\u6e90\u7801\u3001\u91cd\u65b0\u7f16\u8bd1\u6a21\u5757\u7684”\u5200\u8015\u706b\u79cd”\u6a21\u5f0f\uff0c\u66fe\u8ba9\u65e0\u6570\u7a0b\u5e8f\u5458\u5728\u7cfb\u7edf\u7a33\u5b9a\u6027\u4e0e\u529f\u80fd\u521b\u65b0\u95f4\u8270\u96be\u6743\u8861\u3002\u76f4\u5230eBPF\u6280\u672f\u7684\u51fa\u73b0\uff0c\u8fd9\u573a\u6301\u7eed\u4e86\u4e09\u5341\u5e74\u7684\u5f00\u53d1\u8303\u5f0f\u5f00\u59cb\u53d1\u751f\u6839\u672c\u6027\u8f6c\u53d8\u2014\u2014\u5b83\u8ba9Linux\u5185\u6838\u83b7\u5f97\u4e86\u52a8\u6001\u7f16\u7a0b\u80fd\u529b\uff0c\u5c31\u50cf\u4e3a\u94a2\u94c1\u5de8\u517d\u6ce8\u5165\u4e86\u7075\u52a8\u7684\u7075\u9b42\u3002 \u4e00\u3001\u89e3\u6784eBPF\uff1a\u5185\u6838\u7684”\u5373\u65f6\u7f16\u8bd1\u5668” eBPF\uff08Extended Berkeley Packet Filter\uff09\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u52301992\u5e74\u7684BPF\u6280\u672f\u3002\u6700\u521d\u7684BPF\u53ea\u662f\u7528\u4e8e\u7f51\u7edc\u5305\u8fc7\u6ee4\u7684\u7b80\u5355\u865a\u62df\u673a\uff0c\u800c\u7ecf\u8fc7\u4e8c\u5341\u591a\u5e74\u7684\u8fdb\u5316\uff0c\u5982\u4eca\u7684eBPF\u5df2\u7ecf\u6210\u4e3aLinux\u5185\u6838\u7684\u901a\u7528\u6267\u884c\u5f15\u64ce\u3002\u5b83\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u521b\u5efa\u5b89\u5168\u7684\u6c99\u7bb1\u73af\u5883\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u4fee\u6539\u5185\u6838\u6e90\u7801\u3001\u4e0d\u91cd\u542f\u7cfb\u7edf\u7684\u524d\u63d0\u4e0b\uff0c\u52a8\u6001\u52a0\u8f7d\u5e76\u8fd0\u884c\u81ea\u5b9a\u4e49\u7a0b\u5e8f\u3002 \u4e0e\u4f20\u7edf\u5185\u6838\u6a21\u5757\u7684\u5bf9\u6bd4\u6700\u80fd\u51f8\u663e\u5176\u9769\u547d\u6027\uff1a \u5b89\u5168\u6027\uff1a\u6bcf\u4e2aeBPF\u7a0b\u5e8f\u5fc5\u987b\u901a\u8fc7200\u4f59\u9879\u9759\u6001\u9a8c\u8bc1\u68c0\u67e5\uff0c\u786e\u4fdd\u4e0d\u4f1a\u5f15\u53d1\u5185\u6838\u5d29\u6e83 \u5373\u65f6\u6027\uff1a\u7a0b\u5e8f\u52a0\u8f7d\u540e\u7acb\u5373\u751f\u6548\uff0c\u65e0\u9700\u7b49\u5f85\u5185\u6838\u7f16\u8bd1\u6216\u7cfb\u7edf\u91cd\u542f \u8de8\u7248\u672c\u517c\u5bb9\uff1a\u540c\u4e00\u4efdeBPF\u4ee3\u7801\u53ef\u5728\u4e0d\u540c\u5185\u6838\u7248\u672c\u4e0a\u8fd0\u884c\uff0c\u89e3\u51b3\u4e86\u957f\u671f\u56f0\u6270\u5f00\u53d1\u8005\u7684\u788e\u7247\u5316\u95ee\u9898 \u8fd9\u5c31\u50cf\u4e3aLinux\u5185\u6838\u5b89\u88c5\u4e86\u4e00\u4e2a”\u5b9e\u65f6\u63d2\u4ef6\u7cfb\u7edf”\uff0c\u5f7b\u5e95\u6539\u53d8\u4e86\u4e0e\u5185\u6838\u4ea4\u4e92\u7684\u65b9\u5f0f\u3002 \u4e8c\u3001\u6280\u672f\u67b6\u6784\u63ed\u79d8\uff1a\u5982\u4f55\u5b9e\u73b0”\u5185\u6838\u70ed\u66f4\u65b0” 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\u4e3a\u4e86\u63d0\u9ad8\u6267\u884c\u6548\u7387\uff0c\u5185\u6838\u4f1a\u5c06\u9a8c\u8bc1\u901a\u8fc7\u7684\u5b57\u8282\u7801\u52a8\u6001\u7f16\u8bd1\u4e3a\u672c\u5730\u673a\u5668\u7801\u3002\u5b9e\u6d4b\u6570\u636e\u663e\u793a\uff0c\u7ecf\u8fc7JIT\u7f16\u8bd1\u7684eBPF\u7a0b\u5e8f\u6267\u884c\u6548\u7387\u53ef\u8fbe\u539f\u751fC\u4ee3\u7801\u768490%\u4ee5\u4e0a\u3002 \u6620\u5c04(Map)\u673a\u5236 \u901a\u8fc7\u5171\u4eab\u5185\u5b58\u533a\u57df\uff0ceBPF\u7a0b\u5e8f\u4e0d\u4ec5\u80fd\u5728\u5185\u6838\u5185\u90e8\u4f20\u9012\u6570\u636e\uff0c\u8fd8\u80fd\u4e0e\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u5b9e\u65f6\u4ea4\u4e92\u3002\u8fd9\u79cd\u8bbe\u8ba1\u8ba9\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\u53ef\u4ee5\u6bcf\u79d2\u5904\u7406\u767e\u4e07\u7ea7\u4e8b\u4ef6\uff0c\u800c\u6027\u80fd\u635f\u8017\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002 \u8fd9\u79cd\u7cbe\u5de7\u7684\u8bbe\u8ba1\uff0c\u4f7f\u5f97\u50cfCilium\u8fd9\u6837\u7684\u7f51\u7edc\u65b9\u6848\u80fd\u591f\u5b9e\u73b0\u5fae\u79d2\u7ea7\u5ef6\u8fdf\u7684\u670d\u52a1\u7f51\u683c\uff0c\u800cFalco\u5b89\u5168\u5de5\u5177\u53ef\u4ee5\u5728\u4e0d\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u5b9e\u65f6\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\u3002 \u4e09\u3001\u5f00\u53d1\u8303\u5f0f\u8fc1\u79fb\uff1a\u4ece”\u5185\u6838\u9ed1\u5ba2”\u5230”\u5b89\u5168\u7f16\u7a0b” eBPF\u5e26\u6765\u7684\u4e0d\u4ec5\u662f\u6280\u672f\u5347\u7ea7\uff0c\u66f4\u5f15\u53d1\u4e86\u5f00\u53d1\u6587\u5316\u7684\u6df1\u5c42\u53d8\u9769\uff1a \u5de5\u5177\u94fe\u9769\u65b0\uff1aLLVM\u7f16\u8bd1\u5668\u652f\u6301\u5c06C\u4ee3\u7801\u7f16\u8bd1\u4e3aeBPF\u5b57\u8282\u7801\uff0cBCC\u6846\u67b6\u63d0\u4f9b\u4e86Python\u524d\u7aef\u5e93\uff0cbpftrace\u5219\u5b9e\u73b0\u4e86\u7c7b\u4f3cAWK\u7684\u811a\u672c\u5316\u7f16\u7a0b\u3002\u5f00\u53d1\u8005\u751a\u81f3\u53ef\u4ee5\u4f7f\u7528Rust\u7b49\u73b0\u4ee3\u8bed\u8a00\u7f16\u5199eBPF\u7a0b\u5e8f\u3002 \u8c03\u8bd5\u65b9\u5f0f\u8f6c\u53d8\uff1a\u901a\u8fc7bpftool\u53ef\u4ee5\u5b9e\u65f6\u89c2\u5bdf\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\uff0c\u800c\u4f20\u7edf\u7684\u5185\u6838\u8c03\u8bd5\u5f80\u5f80\u9700\u8981\u91cd\u65b0\u7f16\u8bd1\u5e76\u89e6\u53d1\u7cfb\u7edf\u5d29\u6e83\u3002 \u534f\u4f5c\u6a21\u5f0f\u5347\u7ea7\uff1a\u7528\u6237\u6001\u4e0e\u5185\u6838\u6001\u7684\u5f00\u53d1\u8005\u4e0d\u518d\u9700\u8981\u6df1\u5ea6\u8026\u5408\u3002\u4e91\u5382\u5546\u53ef\u4ee5\u901a\u8fc7eBPF\u5b9e\u73b0\u5b9a\u5236\u5316\u7f51\u7edc\u7b56\u7565\uff0c\u800c\u65e0\u9700\u7b49\u5f85\u4e0a\u6e38\u5185\u6838\u5408\u5e76\u8865\u4e01\u3002 \u57282023\u5e74Linux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u62a5\u544a\u4e2d\uff0c\u4f7f\u7528eBPF\u7684\u9879\u76ee\u6570\u91cf\u540c\u6bd4\u589e\u957f\u4e86217%\uff0c\u5176\u4e2d\u6027\u80fd\u76d1\u63a7\u548c\u5b89\u5168\u52a0\u56fa\u662f\u6700\u4e3b\u8981\u7684\u5e94\u7528\u573a\u666f\u3002\u5fae\u8f6fAzure\u5c06eBPF\u7528\u4e8e\u5206\u5e03\u5f0f\u9632\u706b\u5899\uff0cNetflix\u5219\u57fa\u4e8eeBPF\u6784\u5efa\u4e86\u6bcf\u79d2\u5904\u7406\u767e\u4e07\u7ea7\u6307\u6807\u7684\u76d1\u63a7\u7cfb\u7edf\u3002 \u56db\u3001\u771f\u5b9e\u4e16\u754c\u7684\u5f71\u54cd\uff1a\u91cd\u65b0\u5b9a\u4e49\u57fa\u7840\u8bbe\u65bd 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