{"id":32881,"date":"2025-03-04T11:05:45","date_gmt":"2025-03-04T03:05:45","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=32881"},"modified":"2025-03-04T11:05:45","modified_gmt":"2025-03-04T03:05:45","slug":"ebpf%e5%9c%a8%e7%89%a9%e8%81%94%e7%bd%91%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8%e5%89%8d%e6%99%af%e5%a6%82%e4%bd%95%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/32881.html","title":{"rendered":"eBPF\u5728\u7269\u8054\u7f51\u4e2d\u7684\u5e94\u7528\u524d\u666f\u5982\u4f55\uff1f"},"content":{"rendered":"

\n

\"eBPF\u5728\u7269\u8054\u7f51\u4e2d\u7684\u5e94\u7528\u524d\u666f\u5982\u4f55\uff1f\"<\/p>\n<\/p>\n

\u3010\u524d\u8a00\u3011<\/strong>
\n\u5728\u4e07\u7269\u4e92\u8054\u7684\u65f6\u4ee3\uff0c\u7269\u8054\u7f51\uff08IoT\uff09\u8bbe\u5907\u6570\u91cf\u5448\u6307\u6570\u7ea7\u589e\u957f\uff0c\u9884\u8ba1\u52302030\u5e74\u5168\u7403\u5c06\u7a81\u7834\u5343\u4ebf\u53f0\u3002\u7136\u800c\uff0c\u968f\u7740\u8bbe\u5907\u89c4\u6a21\u7684\u6269\u5927\uff0c\u4f20\u7edf\u6280\u672f\u6808\u5728\u5b9e\u65f6\u6027\u3001\u5b89\u5168\u6027\u548c\u8d44\u6e90\u6548\u7387\u4e0a\u7684\u77ed\u677f\u65e5\u76ca\u51f8\u663e\u3002\u6b64\u65f6\uff0c\u4e00\u9879\u8bde\u751f\u4e8eLinux\u5185\u6838\u7684\u6280\u672f\u2014\u2014eBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09<\/strong>\uff0c\u6b63\u6084\u7136\u6380\u8d77\u4e00\u573a\u5e95\u5c42\u53d8\u9769\u3002\u5b83\u80fd\u5426\u6210\u4e3a\u7834\u89e3\u7269\u8054\u7f51\u590d\u6742\u6027\u7684\u201c\u5bc6\u94a5\u201d\uff1f\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF<\/a>\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u5e94\u7528\u6f5c\u529b\u4e0e\u843d\u5730\u573a\u666f\u3002<\/p>\n

\n

\u4e00\u3001eBPF\uff1a\u4ece\u7f51\u7edc\u76d1\u63a7\u5230\u4e07\u7269\u4e92\u8054\u7684\u201c\u8d85\u80fd\u529b\u201d<\/strong><\/h3>\n

eBPF\u6700\u521d\u88ab\u8bbe\u8ba1\u4e3a\u7f51\u7edc\u6570\u636e\u5305\u8fc7\u6ee4\u5de5\u5177\uff0c\u4f46\u5176*\u52a8\u6001\u6ce8\u5165\u5185\u6838\u4ee3\u7801*\u7684\u80fd\u529b\u4f7f\u5176\u8fc5\u901f\u8d85\u8d8a\u4e86\u4f20\u7edf\u8fb9\u754c\u3002\u901a\u8fc7\u65e0\u9700\u4fee\u6539\u5185\u6838\u6e90\u7801\u5373\u53ef\u5b89\u5168\u8fd0\u884c\u7a0b\u5e8f<\/strong>\u7684\u7279\u6027\uff0ceBPF\u5b9e\u73b0\u4e86\u5bf9\u7cfb\u7edf\u884c\u4e3a\u7684\u7ec6\u7c92\u5ea6\u89c2\u6d4b\u4e0e\u63a7\u5236\u3002\u8fd9\u79cd\u80fd\u529b\u5728\u7269\u8054\u7f51\u573a\u666f\u4e2d\u5c24\u4e3a\u5173\u952e\uff1a<\/p>\n

    \n
  1. \u8f7b\u91cf\u7ea7\u8d44\u6e90\u6d88\u8017<\/strong>\uff1a\u7269\u8054\u7f51\u8bbe\u5907\u901a\u5e38\u53d7\u9650\u4e8e\u8ba1\u7b97\u80fd\u529b\u548c\u5185\u5b58\uff0c\u800ceBPF\u7a0b\u5e8f\u8fd0\u884c\u5728\u5185\u6838\u6001\uff0c\u907f\u514d\u4e86\u7528\u6237\u6001\u4e0e\u5185\u6838\u6001\u5207\u6362\u7684\u5f00\u9500\uff0c\u8d44\u6e90\u5360\u7528\u7387\u53ef\u964d\u4f4e\u81f3\u4f20\u7edf\u65b9\u6848\u76841\/10<\/em>\u3002\n<\/li>\n
  2. \u5b9e\u65f6\u54cd\u5e94\u673a\u5236<\/strong>\uff1a\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u4e2d\uff0c\u6beb\u79d2\u7ea7\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u751f\u4ea7\u7ebf\u6545\u969c\u3002eBPF\u652f\u6301\u4e8b\u4ef6\u9a71\u52a8\u7684\u5b9e\u65f6\u5904\u7406\uff0c\u4f8b\u5982\u76f4\u63a5\u62e6\u622a\u4f20\u611f\u5668\u6570\u636e\u6d41\u8fdb\u884c\u5206\u6790\uff0c\u800c\u975e\u4f9d\u8d56\u5468\u671f\u6027\u8f6e\u8be2\u3002\n<\/li>\n
  3. \u8de8\u5c42\u53ef\u89c1\u6027<\/strong>\uff1a\u4ece\u7269\u7406\u5c42\u8bbe\u5907\u72b6\u6001\u5230\u5e94\u7528\u5c42\u534f\u8bae\u89e3\u6790\uff0ceBPF\u80fd\u540c\u65f6\u6355\u83b7\u7f51\u7edc\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u8fdb\u7a0b\u884c\u4e3a\uff0c\u4e3a\u5f02\u6784\u7269\u8054\u7f51\u73af\u5883\u63d0\u4f9b\u7edf\u4e00\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\u3002\n<\/li>\n<\/ol>\n
    \n

    \u4e8c\u3001eBPF\u8d4b\u80fd\u7269\u8054\u7f51\u7684\u56db\u5927\u6838\u5fc3\u573a\u666f<\/strong><\/h3>\n

    1. \u667a\u80fd\u8bbe\u5907\u7684\u5b89\u5168\u9632\u62a4<\/strong><\/h4>\n

    \u7269\u8054\u7f51\u8bbe\u5907\u56e0\u56fa\u4ef6\u66f4\u65b0\u6ede\u540e\u5e38\u6210\u653b\u51fb\u5165\u53e3\u3002eBPF\u7684\u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7<\/strong>\u80fd\u529b\u53ef\u52a8\u6001\u9632\u5fa1\u96f6\u65e5\u653b\u51fb\uff1a<\/p>\n

      \n
    • \u7cfb\u7edf\u8c03\u7528\u8fc7\u6ee4<\/strong>\uff1a\u963b\u6b62\u5f02\u5e38\u8fdb\u7a0b\u521b\u5efa\uff08\u5982\u6316\u77ff\u8f6f\u4ef6\uff09\u3001\u975e\u6cd5\u6587\u4ef6\u8bbf\u95ee\u3002\n<\/li>\n
    • \u7f51\u7edc\u884c\u4e3a\u5206\u6790<\/strong>\uff1a\u5b9e\u65f6\u68c0\u6d4b\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f\uff0c\u5982\u8bbe\u5907\u7a81\u7136\u5411\u672a\u77e5IP\u53d1\u9001\u52a0\u5bc6\u6570\u636e\u3002\n<\/li>\n
    • \u6848\u4f8b\uff1a\u67d0\u667a\u80fd\u5bb6\u5c45\u5382\u5546\u901a\u8fc7eBPF\u62e6\u622a\u4e86\u5229\u7528\u6444\u50cf\u5934\u56fa\u4ef6\u6f0f\u6d1e\u7684\u6076\u610f\u6307\u4ee4\uff0c\u54cd\u5e94\u901f\u5ea6\u6bd4\u4f20\u7edfIDS\u5feb5\u500d\u3002\n<\/li>\n<\/ul>\n

      2. \u8fb9\u7f18\u8ba1\u7b97\u7684\u6027\u80fd\u4f18\u5316<\/strong><\/h4>\n

      \u5728\u8fb9\u7f18\u8282\u70b9\u90e8\u7f72eBPF\u53ef\u5b9e\u73b0\u8fd1\u6570\u636e\u6e90\u7684\u9ad8\u6548\u5904\u7406<\/em>\uff1a<\/p>\n

        \n
      • \u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u5728\u7f51\u5361\u9a71\u52a8\u5c42\u8fc7\u6ee4\u65e0\u6548\u4f20\u611f\u5668\u6570\u636e\uff0c\u51cf\u5c11\u4f20\u8f93\u81f3\u4e91\u7aef\u7684\u6570\u636e\u91cf\u3002\n<\/li>\n
      • \u534f\u8bae\u52a0\u901f<\/strong>\uff1a\u4e3aMQTT\u3001CoAP\u7b49\u7269\u8054\u7f51\u534f\u8bae\u5b9a\u5236\u89e3\u6790\u903b\u8f91\uff0c\u964d\u4f4eCPU\u5360\u7528\u7387\u3002\n<\/li>\n
      • \u5b9e\u6d4b\u8868\u660e\uff0c\u5728ARM\u67b6\u6784\u7684\u8fb9\u7f18\u7f51\u5173\u4e2d\uff0ceBPF\u53ef\u5c06MQTT\u6d88\u606f\u5904\u7406\u541e\u5410\u91cf\u63d0\u534740%\u3002\n<\/li>\n<\/ul>\n

        3. \u5927\u89c4\u6a21\u8bbe\u5907\u96c6\u7fa4\u7684\u8fd0\u7ef4\u7ba1\u7406<\/strong><\/h4>\n

        \u5f53\u6570\u4e07\u53f0\u8bbe\u5907\u5206\u6563\u90e8\u7f72\u65f6\uff0c\u4f20\u7edf\u65e5\u5fd7\u91c7\u96c6\u65b9\u6848\u9762\u4e34\u5e26\u5bbd\u4e0e\u5b58\u50a8\u538b\u529b\u3002eBPF\u63d0\u4f9b\u4e24\u79cd\u9769\u65b0\u65b9\u6848\uff1a<\/p>\n

          \n
        • \u7cbe\u51c6\u6307\u6807\u63d0\u53d6<\/strong>\uff1a\u76f4\u63a5\u91c7\u96c6\u5173\u952e\u6027\u80fd\u6307\u6807\uff08\u5982\u5185\u5b58\u6cc4\u6f0f\u51fd\u6570\u7684\u8c03\u7528\u6b21\u6570\uff09\uff0c\u907f\u514d\u5168\u91cf\u65e5\u5fd7\u4f20\u8f93\u3002\n<\/li>\n
        • \u52a8\u6001\u6545\u969c\u6ce8\u5165<\/strong>\uff1a\u6a21\u62df\u7f51\u7edc\u5ef6\u8fdf\u3001\u4e22\u5305\u7b49\u5f02\u5e38\u6761\u4ef6\uff0c\u9a8c\u8bc1\u8bbe\u5907\u96c6\u7fa4\u7684\u5bb9\u9519\u80fd\u529b\u3002\n<\/li>\n<\/ul>\n

          4. \u4f4e\u529f\u8017\u8bbe\u5907\u7684\u751f\u547d\u5468\u671f\u5ef6\u957f<\/strong><\/h4>\n

          \u5bf9\u4e8e\u4f9d\u8d56\u7535\u6c60\u7684\u7269\u8054\u7f51\u7ec8\u7aef\uff08\u5982\u73af\u5883\u4f20\u611f\u5668\uff09\uff0ceBPF\u901a\u8fc7*\u667a\u80fd\u4f11\u7720\u7b56\u7565*\u964d\u4f4e\u80fd\u8017\uff1a<\/p>\n

            \n
          • \u6309\u9700\u5524\u9192<\/strong>\uff1a\u4ec5\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e8b\u4ef6\uff08\u5982\u7279\u5b9a\u6e29\u5ea6\u9608\u503c\uff09\u89e6\u53d1\u65f6\u6fc0\u6d3b\u8bbe\u5907\u3002\n<\/li>\n
          • \u6d41\u91cf\u6574\u5f62<\/strong>\uff1a\u5408\u5e76\u591a\u4e2a\u5c0f\u578b\u6570\u636e\u5305\uff0c\u51cf\u5c11\u65e0\u7ebf\u6a21\u5757\u7684\u542f\u52a8\u6b21\u6570\u3002
            \n\u632a\u5a01\u4e00\u5bb6\u51b0\u5ddd\u76d1\u6d4b\u516c\u53f8\u91c7\u7528\u8be5\u65b9\u6848\u540e\uff0c\u8bbe\u5907\u7eed\u822a\u65f6\u95f4\u4ece3\u4e2a\u6708\u5ef6\u957f\u81f314\u4e2a\u6708\u3002\n<\/li>\n<\/ul>\n
            \n

            \u4e09\u3001\u6280\u672f\u6311\u6218\u4e0e\u6f14\u8fdb\u65b9\u5411<\/strong><\/h3>\n

            \u5c3d\u7ba1\u524d\u666f\u5e7f\u9614\uff0ceBPF\u5728\u7269\u8054\u7f51\u4e2d\u7684\u666e\u53ca\u4ecd\u9700\u7a81\u7834\u4e09\u5927\u74f6\u9888\uff1a<\/p>\n

              \n
            1. \u786c\u4ef6\u517c\u5bb9\u6027<\/strong>\uff1a\u5f53\u524deBPF\u4e25\u91cd\u4f9d\u8d56Linux\u5185\u6838\uff08\u22654.x\uff09\uff0c\u4f46\u8d85\u8fc760%\u7684\u7269\u8054\u7f51\u8bbe\u5907\u4ecd\u8fd0\u884cRTOS\u6216\u5b9a\u5236\u5316OS\u3002\u793e\u533a\u6b63\u5728\u63a8\u8fdbeBPF\u5b57\u8282\u7801\u89e3\u91ca\u5668\u7684\u8f7b\u91cf\u5316\u79fb\u690d\u3002\n<\/li>\n
            2. \u5b89\u5168\u8fb9\u754c\u754c\u5b9a<\/strong>\uff1a\u5185\u6838\u6001\u4ee3\u7801\u7684\u6f5c\u5728\u98ce\u9669\u8981\u6c42\u66f4\u4e25\u683c\u7684\u9a8c\u8bc1\u673a\u5236\uff0c*BPF Type Format\uff08BTF\uff09*\u548c\u9a8c\u8bc1\u5668\u4f18\u5316\u662f\u5173\u952e\u7814\u7a76\u65b9\u5411\u3002\n<\/li>\n
            3. \u5f00\u53d1\u8005\u751f\u6001<\/strong>\uff1a\u7269\u8054\u7f51\u5de5\u7a0b\u5e08\u8f83\u5c11\u63a5\u89e6\u5e95\u5c42\u5185\u6838\u7f16\u7a0b\uff0c\u9700\u8981\u66f4\u53cb\u597d\u7684\u5de5\u5177\u94fe\uff08\u5982\u57fa\u4e8eWasm\u7684eBPF\u5f00\u53d1\u6846\u67b6\uff09\u3002\n<\/li>\n<\/ol>\n

              \u503c\u5f97\u5173\u6ce8\u7684\u662f\uff0c2023\u5e74Linux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684*\u201ceBPF for IoT\u201d\u767d\u76ae\u4e66*\u6307\u51fa\uff0c\u672a\u6765\u4e24\u5e74\u5c06\u51fa\u73b0\u4e09\u5927\u8d8b\u52bf\uff1a<\/p>\n

                \n
              • \u4e13\u7528\u6307\u4ee4\u96c6\u6269\u5c55<\/strong>\uff1a\u4e3aARM Cortex-M\u7cfb\u5217\u82af\u7247\u8bbe\u8ba1eBPF\u786c\u4ef6\u52a0\u901f\u5355\u5143\u3002\n<\/li>\n
              • \u6df7\u5408\u6267\u884c\u6a21\u5f0f<\/strong>\uff1a\u7ed3\u5408eBPF\u4e0eWebAssembly\uff0c\u5b9e\u73b0\u5b89\u5168\u9694\u79bb\u7684\u591a\u79df\u6237\u8fb9\u7f18\u8ba1\u7b97\u3002\n<\/li>\n
              • AI\u9a71\u52a8\u7684\u7b56\u7565\u751f\u6210<\/strong>\uff1a\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u81ea\u52a8\u4f18\u5316\u8bbe\u5907\u7aef\u7684eBPF\u7a0b\u5e8f\u53c2\u6570\u3002\n<\/li>\n<\/ul>\n
                \n

                \u56db\u3001\u4ece\u5b9e\u9a8c\u5230\u91cf\u4ea7\uff1a\u4f01\u4e1a\u843d\u5730\u8def\u5f84\u53c2\u8003<\/strong><\/h3>\n

                \u5bf9\u4e8e\u5e0c\u671b\u5f15\u5165eBPF\u7684\u7269\u8054\u7f51\u4f01\u4e1a\uff0c\u5efa\u8bae\u5206\u9636\u6bb5\u5b9e\u65bd\uff1a<\/p>\n

                  \n
                1. \u6982\u5ff5\u9a8c\u8bc1<\/strong>\uff1a\u5728\u7f51\u5173\u8bbe\u5907\u90e8\u7f72\u5f00\u6e90\u7684eBPF\u76d1\u63a7\u5de5\u5177\uff08\u5982Pixie\uff09\uff0c\u9a8c\u8bc1\u5bf9MQTT\u6d41\u91cf\u7684\u5206\u6790\u6548\u7387\u3002\n<\/li>\n
                2. \u5782\u76f4\u573a\u666f\u653b\u575a<\/strong>\uff1a\u9009\u62e9\u5355\u4e00\u9ad8\u4ef7\u503c\u573a\u666f\uff08\u5982\u9884\u6d4b\u6027\u7ef4\u62a4\uff09\u5f00\u53d1\u5b9a\u5236\u63a2\u9488\uff0c\u91cf\u5316ROI\u3002\n<\/li>\n
                3. \u5e73\u53f0\u5316\u6269\u5c55<\/strong>\uff1a\u6784\u5efa\u652f\u6301eBPF\u7a0b\u5e8f\u52a8\u6001\u90e8\u7f72\u7684\u7ba1\u7406\u5e73\u53f0\uff0c\u4e0e\u73b0\u6709Kubernetes\u6216IoT Hub\u96c6\u6210\u3002\n<\/li>\n<\/ol>\n

                  \u897f\u73ed\u7259\u4e00\u5bb6\u667a\u6167\u57ce\u5e02\u670d\u52a1\u5546\u7684\u7ecf\u9a8c\u503c\u5f97\u501f\u9274\uff1a\u4ed6\u4eec\u901a\u8fc7eBPF\u7edf\u4e00\u7ba1\u740612\u7c7b\u7ec8\u7aef\u8bbe\u5907\uff0c\u5c06\u6545\u969c\u5b9a\u4f4d\u65f6\u95f4\u4ece\u5e73\u57472\u5c0f\u65f6\u7f29\u77ed\u81f38\u5206\u949f\uff0c\u540c\u65f6\u51cf\u5c1130%\u7684\u4e91\u7aef\u8ba1\u7b97\u6210\u672c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u3010\u524d\u8a00\u3011 \u5728\u4e07\u7269\u4e92\u8054\u7684\u65f6\u4ee3\uff0c\u7269\u8054\u7f51\uff08IoT\uff09\u8bbe\u5907\u6570\u91cf\u5448\u6307\u6570\u7ea7\u589e\u957f\uff0c\u9884\u8ba1\u52302030\u5e74\u5168\u7403\u5c06\u7a81\u7834\u5343\u4ebf\u53f0\u3002\u7136\u800c\uff0c\u968f\u7740\u8bbe\u5907\u89c4\u6a21\u7684\u6269\u5927\uff0c\u4f20\u7edf\u6280\u672f\u6808\u5728\u5b9e\u65f6\u6027\u3001\u5b89\u5168\u6027\u548c\u8d44\u6e90\u6548\u7387\u4e0a\u7684\u77ed\u677f\u65e5\u76ca\u51f8\u663e\u3002\u6b64\u65f6\uff0c\u4e00\u9879\u8bde\u751f\u4e8eLinux\u5185\u6838\u7684\u6280\u672f\u2014\u2014eBPF\uff08Extended Berkeley Packet Filter\uff09\uff0c\u6b63\u6084\u7136\u6380\u8d77\u4e00\u573a\u5e95\u5c42\u53d8\u9769\u3002\u5b83\u80fd\u5426\u6210\u4e3a\u7834\u89e3\u7269\u8054\u7f51\u590d\u6742\u6027\u7684\u201c\u5bc6\u94a5\u201d\uff1f\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF\u5728\u7269\u8054\u7f51\u9886\u57df\u7684\u5e94\u7528\u6f5c\u529b\u4e0e\u843d\u5730\u573a\u666f\u3002 \u4e00\u3001eBPF\uff1a\u4ece\u7f51\u7edc\u76d1\u63a7\u5230\u4e07\u7269\u4e92\u8054\u7684\u201c\u8d85\u80fd\u529b\u201d eBPF\u6700\u521d\u88ab\u8bbe\u8ba1\u4e3a\u7f51\u7edc\u6570\u636e\u5305\u8fc7\u6ee4\u5de5\u5177\uff0c\u4f46\u5176*\u52a8\u6001\u6ce8\u5165\u5185\u6838\u4ee3\u7801*\u7684\u80fd\u529b\u4f7f\u5176\u8fc5\u901f\u8d85\u8d8a\u4e86\u4f20\u7edf\u8fb9\u754c\u3002\u901a\u8fc7\u65e0\u9700\u4fee\u6539\u5185\u6838\u6e90\u7801\u5373\u53ef\u5b89\u5168\u8fd0\u884c\u7a0b\u5e8f\u7684\u7279\u6027\uff0ceBPF\u5b9e\u73b0\u4e86\u5bf9\u7cfb\u7edf\u884c\u4e3a\u7684\u7ec6\u7c92\u5ea6\u89c2\u6d4b\u4e0e\u63a7\u5236\u3002\u8fd9\u79cd\u80fd\u529b\u5728\u7269\u8054\u7f51\u573a\u666f\u4e2d\u5c24\u4e3a\u5173\u952e\uff1a \u8f7b\u91cf\u7ea7\u8d44\u6e90\u6d88\u8017\uff1a\u7269\u8054\u7f51\u8bbe\u5907\u901a\u5e38\u53d7\u9650\u4e8e\u8ba1\u7b97\u80fd\u529b\u548c\u5185\u5b58\uff0c\u800ceBPF\u7a0b\u5e8f\u8fd0\u884c\u5728\u5185\u6838\u6001\uff0c\u907f\u514d\u4e86\u7528\u6237\u6001\u4e0e\u5185\u6838\u6001\u5207\u6362\u7684\u5f00\u9500\uff0c\u8d44\u6e90\u5360\u7528\u7387\u53ef\u964d\u4f4e\u81f3\u4f20\u7edf\u65b9\u6848\u76841\/10\u3002 \u5b9e\u65f6\u54cd\u5e94\u673a\u5236\uff1a\u5728\u5de5\u4e1a\u7269\u8054\u7f51\u4e2d\uff0c\u6beb\u79d2\u7ea7\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u751f\u4ea7\u7ebf\u6545\u969c\u3002eBPF\u652f\u6301\u4e8b\u4ef6\u9a71\u52a8\u7684\u5b9e\u65f6\u5904\u7406\uff0c\u4f8b\u5982\u76f4\u63a5\u62e6\u622a\u4f20\u611f\u5668\u6570\u636e\u6d41\u8fdb\u884c\u5206\u6790\uff0c\u800c\u975e\u4f9d\u8d56\u5468\u671f\u6027\u8f6e\u8be2\u3002 \u8de8\u5c42\u53ef\u89c1\u6027\uff1a\u4ece\u7269\u7406\u5c42\u8bbe\u5907\u72b6\u6001\u5230\u5e94\u7528\u5c42\u534f\u8bae\u89e3\u6790\uff0ceBPF\u80fd\u540c\u65f6\u6355\u83b7\u7f51\u7edc\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u8fdb\u7a0b\u884c\u4e3a\uff0c\u4e3a\u5f02\u6784\u7269\u8054\u7f51\u73af\u5883\u63d0\u4f9b\u7edf\u4e00\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\u3002 \u4e8c\u3001eBPF\u8d4b\u80fd\u7269\u8054\u7f51\u7684\u56db\u5927\u6838\u5fc3\u573a\u666f 1. \u667a\u80fd\u8bbe\u5907\u7684\u5b89\u5168\u9632\u62a4 \u7269\u8054\u7f51\u8bbe\u5907\u56e0\u56fa\u4ef6\u66f4\u65b0\u6ede\u540e\u5e38\u6210\u653b\u51fb\u5165\u53e3\u3002eBPF\u7684\u8fd0\u884c\u65f6\u5b89\u5168\u76d1\u63a7\u80fd\u529b\u53ef\u52a8\u6001\u9632\u5fa1\u96f6\u65e5\u653b\u51fb\uff1a \u7cfb\u7edf\u8c03\u7528\u8fc7\u6ee4\uff1a\u963b\u6b62\u5f02\u5e38\u8fdb\u7a0b\u521b\u5efa\uff08\u5982\u6316\u77ff\u8f6f\u4ef6\uff09\u3001\u975e\u6cd5\u6587\u4ef6\u8bbf\u95ee\u3002 \u7f51\u7edc\u884c\u4e3a\u5206\u6790\uff1a\u5b9e\u65f6\u68c0\u6d4b\u5f02\u5e38\u6d41\u91cf\u6a21\u5f0f\uff0c\u5982\u8bbe\u5907\u7a81\u7136\u5411\u672a\u77e5IP\u53d1\u9001\u52a0\u5bc6\u6570\u636e\u3002 \u6848\u4f8b\uff1a\u67d0\u667a\u80fd\u5bb6\u5c45\u5382\u5546\u901a\u8fc7eBPF\u62e6\u622a\u4e86\u5229\u7528\u6444\u50cf\u5934\u56fa\u4ef6\u6f0f\u6d1e\u7684\u6076\u610f\u6307\u4ee4\uff0c\u54cd\u5e94\u901f\u5ea6\u6bd4\u4f20\u7edfIDS\u5feb5\u500d\u3002 2. \u8fb9\u7f18\u8ba1\u7b97\u7684\u6027\u80fd\u4f18\u5316 \u5728\u8fb9\u7f18\u8282\u70b9\u90e8\u7f72eBPF\u53ef\u5b9e\u73b0\u8fd1\u6570\u636e\u6e90\u7684\u9ad8\u6548\u5904\u7406\uff1a \u6570\u636e\u9884\u5904\u7406\uff1a\u5728\u7f51\u5361\u9a71\u52a8\u5c42\u8fc7\u6ee4\u65e0\u6548\u4f20\u611f\u5668\u6570\u636e\uff0c\u51cf\u5c11\u4f20\u8f93\u81f3\u4e91\u7aef\u7684\u6570\u636e\u91cf\u3002 \u534f\u8bae\u52a0\u901f\uff1a\u4e3aMQTT\u3001CoAP\u7b49\u7269\u8054\u7f51\u534f\u8bae\u5b9a\u5236\u89e3\u6790\u903b\u8f91\uff0c\u964d\u4f4eCPU\u5360\u7528\u7387\u3002 \u5b9e\u6d4b\u8868\u660e\uff0c\u5728ARM\u67b6\u6784\u7684\u8fb9\u7f18\u7f51\u5173\u4e2d\uff0ceBPF\u53ef\u5c06MQTT\u6d88\u606f\u5904\u7406\u541e\u5410\u91cf\u63d0\u534740%\u3002 3. \u5927\u89c4\u6a21\u8bbe\u5907\u96c6\u7fa4\u7684\u8fd0\u7ef4\u7ba1\u7406 \u5f53\u6570\u4e07\u53f0\u8bbe\u5907\u5206\u6563\u90e8\u7f72\u65f6\uff0c\u4f20\u7edf\u65e5\u5fd7\u91c7\u96c6\u65b9\u6848\u9762\u4e34\u5e26\u5bbd\u4e0e\u5b58\u50a8\u538b\u529b\u3002eBPF\u63d0\u4f9b\u4e24\u79cd\u9769\u65b0\u65b9\u6848\uff1a \u7cbe\u51c6\u6307\u6807\u63d0\u53d6\uff1a\u76f4\u63a5\u91c7\u96c6\u5173\u952e\u6027\u80fd\u6307\u6807\uff08\u5982\u5185\u5b58\u6cc4\u6f0f\u51fd\u6570\u7684\u8c03\u7528\u6b21\u6570\uff09\uff0c\u907f\u514d\u5168\u91cf\u65e5\u5fd7\u4f20\u8f93\u3002 \u52a8\u6001\u6545\u969c\u6ce8\u5165\uff1a\u6a21\u62df\u7f51\u7edc\u5ef6\u8fdf\u3001\u4e22\u5305\u7b49\u5f02\u5e38\u6761\u4ef6\uff0c\u9a8c\u8bc1\u8bbe\u5907\u96c6\u7fa4\u7684\u5bb9\u9519\u80fd\u529b\u3002 4. \u4f4e\u529f\u8017\u8bbe\u5907\u7684\u751f\u547d\u5468\u671f\u5ef6\u957f \u5bf9\u4e8e\u4f9d\u8d56\u7535\u6c60\u7684\u7269\u8054\u7f51\u7ec8\u7aef\uff08\u5982\u73af\u5883\u4f20\u611f\u5668\uff09\uff0ceBPF\u901a\u8fc7*\u667a\u80fd\u4f11\u7720\u7b56\u7565*\u964d\u4f4e\u80fd\u8017\uff1a \u6309\u9700\u5524\u9192\uff1a\u4ec5\u5728\u67d0\u4e9b\u7cfb\u7edf\u4e8b\u4ef6\uff08\u5982\u7279\u5b9a\u6e29\u5ea6\u9608\u503c\uff09\u89e6\u53d1\u65f6\u6fc0\u6d3b\u8bbe\u5907\u3002 \u6d41\u91cf\u6574\u5f62\uff1a\u5408\u5e76\u591a\u4e2a\u5c0f\u578b\u6570\u636e\u5305\uff0c\u51cf\u5c11\u65e0\u7ebf\u6a21\u5757\u7684\u542f\u52a8\u6b21\u6570\u3002 \u632a\u5a01\u4e00\u5bb6\u51b0\u5ddd\u76d1\u6d4b\u516c\u53f8\u91c7\u7528\u8be5\u65b9\u6848\u540e\uff0c\u8bbe\u5907\u7eed\u822a\u65f6\u95f4\u4ece3\u4e2a\u6708\u5ef6\u957f\u81f314\u4e2a\u6708\u3002 \u4e09\u3001\u6280\u672f\u6311\u6218\u4e0e\u6f14\u8fdb\u65b9\u5411 \u5c3d\u7ba1\u524d\u666f\u5e7f\u9614\uff0ceBPF\u5728\u7269\u8054\u7f51\u4e2d\u7684\u666e\u53ca\u4ecd\u9700\u7a81\u7834\u4e09\u5927\u74f6\u9888\uff1a \u786c\u4ef6\u517c\u5bb9\u6027\uff1a\u5f53\u524deBPF\u4e25\u91cd\u4f9d\u8d56Linux\u5185\u6838\uff08\u22654.x\uff09\uff0c\u4f46\u8d85\u8fc760%\u7684\u7269\u8054\u7f51\u8bbe\u5907\u4ecd\u8fd0\u884cRTOS\u6216\u5b9a\u5236\u5316OS\u3002\u793e\u533a\u6b63\u5728\u63a8\u8fdbeBPF\u5b57\u8282\u7801\u89e3\u91ca\u5668\u7684\u8f7b\u91cf\u5316\u79fb\u690d\u3002 \u5b89\u5168\u8fb9\u754c\u754c\u5b9a\uff1a\u5185\u6838\u6001\u4ee3\u7801\u7684\u6f5c\u5728\u98ce\u9669\u8981\u6c42\u66f4\u4e25\u683c\u7684\u9a8c\u8bc1\u673a\u5236\uff0c*BPF Type Format\uff08BTF\uff09*\u548c\u9a8c\u8bc1\u5668\u4f18\u5316\u662f\u5173\u952e\u7814\u7a76\u65b9\u5411\u3002 \u5f00\u53d1\u8005\u751f\u6001\uff1a\u7269\u8054\u7f51\u5de5\u7a0b\u5e08\u8f83\u5c11\u63a5\u89e6\u5e95\u5c42\u5185\u6838\u7f16\u7a0b\uff0c\u9700\u8981\u66f4\u53cb\u597d\u7684\u5de5\u5177\u94fe\uff08\u5982\u57fa\u4e8eWasm\u7684eBPF\u5f00\u53d1\u6846\u67b6\uff09\u3002 \u503c\u5f97\u5173\u6ce8\u7684\u662f\uff0c2023\u5e74Linux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684*\u201ceBPF for IoT\u201d\u767d\u76ae\u4e66*\u6307\u51fa\uff0c\u672a\u6765\u4e24\u5e74\u5c06\u51fa\u73b0\u4e09\u5927\u8d8b\u52bf\uff1a \u4e13\u7528\u6307\u4ee4\u96c6\u6269\u5c55\uff1a\u4e3aARM Cortex-M\u7cfb\u5217\u82af\u7247\u8bbe\u8ba1eBPF\u786c\u4ef6\u52a0\u901f\u5355\u5143\u3002 \u6df7\u5408\u6267\u884c\u6a21\u5f0f\uff1a\u7ed3\u5408eBPF\u4e0eWebAssembly\uff0c\u5b9e\u73b0\u5b89\u5168\u9694\u79bb\u7684\u591a\u79df\u6237\u8fb9\u7f18\u8ba1\u7b97\u3002 AI\u9a71\u52a8\u7684\u7b56\u7565\u751f\u6210\uff1a\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u81ea\u52a8\u4f18\u5316\u8bbe\u5907\u7aef\u7684eBPF\u7a0b\u5e8f\u53c2\u6570\u3002 \u56db\u3001\u4ece\u5b9e\u9a8c\u5230\u91cf\u4ea7\uff1a\u4f01\u4e1a\u843d\u5730\u8def\u5f84\u53c2\u8003 \u5bf9\u4e8e\u5e0c\u671b\u5f15\u5165eBPF\u7684\u7269\u8054\u7f51\u4f01\u4e1a\uff0c\u5efa\u8bae\u5206\u9636\u6bb5\u5b9e\u65bd\uff1a \u6982\u5ff5\u9a8c\u8bc1\uff1a\u5728\u7f51\u5173\u8bbe\u5907\u90e8\u7f72\u5f00\u6e90\u7684eBPF\u76d1\u63a7\u5de5\u5177\uff08\u5982Pixie\uff09\uff0c\u9a8c\u8bc1\u5bf9MQTT\u6d41\u91cf\u7684\u5206\u6790\u6548\u7387\u3002 \u5782\u76f4\u573a\u666f\u653b\u575a\uff1a\u9009\u62e9\u5355\u4e00\u9ad8\u4ef7\u503c\u573a\u666f\uff08\u5982\u9884\u6d4b\u6027\u7ef4\u62a4\uff09\u5f00\u53d1\u5b9a\u5236\u63a2\u9488\uff0c\u91cf\u5316ROI\u3002 \u5e73\u53f0\u5316\u6269\u5c55\uff1a\u6784\u5efa\u652f\u6301eBPF\u7a0b\u5e8f\u52a8\u6001\u90e8\u7f72\u7684\u7ba1\u7406\u5e73\u53f0\uff0c\u4e0e\u73b0\u6709Kubernetes\u6216IoT Hub\u96c6\u6210\u3002 \u897f\u73ed\u7259\u4e00\u5bb6\u667a\u6167\u57ce\u5e02\u670d\u52a1\u5546\u7684\u7ecf\u9a8c\u503c\u5f97\u501f\u9274\uff1a\u4ed6\u4eec\u901a\u8fc7eBPF\u7edf\u4e00\u7ba1\u740612\u7c7b\u7ec8\u7aef\u8bbe\u5907\uff0c\u5c06\u6545\u969c\u5b9a\u4f4d\u65f6\u95f4\u4ece\u5e73\u57472\u5c0f\u65f6\u7f29\u77ed\u81f38\u5206\u949f\uff0c\u540c\u65f6\u51cf\u5c1130%\u7684\u4e91\u7aef\u8ba1\u7b97\u6210\u672c\u3002<\/p>\n","protected":false},"author":4,"featured_media":32882,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-32881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/32881","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=32881"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/32881\/revisions"}],"predecessor-version":[{"id":32883,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/32881\/revisions\/32883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/32882"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=32881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=32881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=32881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}