{"id":21531,"date":"2024-11-14T12:19:28","date_gmt":"2024-11-14T04:19:28","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=21531"},"modified":"2024-11-14T12:19:28","modified_gmt":"2024-11-14T04:19:28","slug":"%e8%a7%a3%e8%af%bbebpf%ef%bc%9a%e6%94%b9%e5%8f%98%e5%86%85%e6%a0%b8%e8%bf%90%e8%a1%8c%e7%9a%84%e5%88%9b%e6%96%b0%e5%8a%9b%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/21531.html","title":{"rendered":"\u89e3\u8bfbeBPF\uff1a\u6539\u53d8\u5185\u6838\u8fd0\u884c\u7684\u521b\u65b0\u529b\u91cf"},"content":{"rendered":"

\t\t\t\teBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u6b63\u5728\u9010\u6b65\u6539\u53d8Linux\u5185\u6838\u7684\u8fd0\u884c\u65b9\u5f0f\u548c\u7cfb\u7edf\u7684\u53ef\u89c2\u6d4b\u6027\u3001\u7f51\u7edc\u6027\u80fd\u4ee5\u53ca\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u8bfbeBPF<\/a>\u7684\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u53ca\u5176\u5bf9\u672a\u6765\u6280\u672f\u53d1\u5c55\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u8d77\u6e90\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\u6570\u636e\u5305\u7684\u8fc7\u6ee4\u3002\u4f20\u7edf\u7684BPF\u4e3b\u8981\u7528\u4e8e\u6355\u83b7\u548c\u8fc7\u6ee4\u7f51\u7edc\u6570\u636e\u5305\uff0c\u4f46\u5176\u529f\u80fd\u76f8\u5bf9\u6709\u9650\u3002\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5bf9\u5185\u6838\u7684\u53ef\u89c2\u6d4b\u6027\u548c\u52a8\u6001\u63a7\u5236\u9700\u6c42\u65e5\u76ca\u589e\u52a0\uff0c\u4f20\u7edf\u7684BPF\u5df2\u65e0\u6cd5\u6ee1\u8db3\u8fd9\u4e9b\u9700\u6c42\u3002<\/p>\n\n\n\n\n\n\n\n\n

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

2014\u5e74\uff0cAlexei Starovoitov\u5728Linux\u5185\u6838\u4e2d\u5f15\u5165\u4e86eBPF\uff0c\u6781\u5927\u5730\u6269\u5c55\u4e86BPF\u7684\u529f\u80fd\u3002eBPF\u4e0d\u4ec5\u652f\u6301\u7f51\u7edc\u6570\u636e\u5305\u7684\u8fc7\u6ee4\uff0c\u8fd8\u80fd\u7528\u4e8e\u5185\u6838\u8ffd\u8e2a\u3001\u6027\u80fd\u76d1\u63a7\u3001\u5b89\u5168\u76d1\u63a7\u7b49\u591a\u79cd\u573a\u666f\u3002eBPF\u7684\u5f15\u5165\u6807\u5fd7\u7740\u5185\u6838\u7f16\u7a0b\u7684\u4e00\u6b21\u91cd\u5927\u53d8\u9769\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u6838\u5fc3\u539f\u7406<\/h3>\n\n\n\n\n

eBPF\u7684\u6838\u5fc3\u5728\u4e8e\u5176\u80fd\u591f\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u7528\u6237\u5b9a\u4e49\u7684\u7a0b\u5e8f\uff0c\u800c\u4e0d\u9700\u8981\u4fee\u6539\u5185\u6838\u4ee3\u7801\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u4ee5\u5b57\u8282\u7801\u7684\u5f62\u5f0f\u5b58\u5728\uff0c\u901a\u8fc7eBPF\u865a\u62df\u673a\u5728\u5185\u6838\u4e2d\u6267\u884c\u3002eBPF\u865a\u62df\u673a\u5bf9\u5b57\u8282\u7801\u8fdb\u884c\u9a8c\u8bc1\u548c\u4f18\u5316\uff0c\u786e\u4fdd\u5176\u5b89\u5168\u548c\u9ad8\u6548\u3002<\/p>\n\n\n\n\n

1. eBPF\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u9636\u6bb5\uff1a<\/p>\n\n\n\n\n

    \n\n\n
  • \u7f16\u5199<\/strong>\uff1a\u4f7f\u7528\u9ad8\u7ea7\u8bed\u8a00\uff08\u5982C\uff09\u7f16\u5199eBPF\u7a0b\u5e8f\u3002<\/li>\n\n\n\n\n
  • \u7f16\u8bd1<\/strong>\uff1a\u5c06\u9ad8\u7ea7\u8bed\u8a00\u7f16\u8bd1\u6210eBPF\u5b57\u8282\u7801\u3002<\/li>\n\n\n\n\n
  • \u52a0\u8f7d<\/strong>\uff1a\u901a\u8fc7\u7528\u6237\u7a7a\u95f4\u5de5\u5177\uff08\u5982bpftrace\u3001bcc\u7b49\uff09\u5c06\u5b57\u8282\u7801\u52a0\u8f7d\u5230\u5185\u6838\u3002<\/li>\n\n\n\n\n
  • \u9a8c\u8bc1<\/strong>\uff1a\u5185\u6838\u4e2d\u7684eBPF\u9a8c\u8bc1\u5668\u5bf9\u5b57\u8282\u7801\u8fdb\u884c\u5b89\u5168\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u4e0d\u4f1a\u5bfc\u81f4\u5185\u6838\u5d29\u6e83\u6216\u5b89\u5168\u95ee\u9898\u3002<\/li>\n\n\n\n\n
  • \u6267\u884c<\/strong>\uff1a\u9a8c\u8bc1\u901a\u8fc7\u540e\uff0ceBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u6267\u884c\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

    2. eBPF\u865a\u62df\u673a<\/h4>\n\n\n\n\n

    eBPF\u865a\u62df\u673a\u662feBPF\u6280\u672f\u7684\u6838\u5fc3\u7ec4\u4ef6\u4e4b\u4e00\u3002\u5b83\u8d1f\u8d23\u6267\u884ceBPF\u5b57\u8282\u7801\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u5957\u6307\u4ee4\u96c6\u548c\u6267\u884c\u73af\u5883\u3002eBPF\u865a\u62df\u673a\u7684\u5173\u952e\u7279\u6027\u5305\u62ec\uff1a<\/p>\n\n\n\n\n

      \n\n\n
    • \u5b89\u5168\u6027<\/strong>\uff1a\u901a\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\u673a\u5236\uff0c\u786e\u4fddeBPF\u7a0b\u5e8f\u4e0d\u4f1a\u5bf9\u5185\u6838\u9020\u6210\u5371\u5bb3\u3002<\/li>\n\n\n\n\n
    • \u9ad8\u6548\u6027<\/strong>\uff1a\u901a\u8fc7JIT\uff08Just-In-Time\uff09\u7f16\u8bd1\u6280\u672f\uff0c\u5c06eBPF\u5b57\u8282\u7801\u8f6c\u6362\u4e3a\u673a\u5668\u7801\uff0c\u63d0\u9ad8\u6267\u884c\u6548\u7387\u3002<\/li>\n\n\n\n\n
    • \u7075\u6d3b\u6027<\/strong>\uff1a\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c\uff0c\u5982maps\u3001helpers\u7b49\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

      3. eBPF Maps<\/h4>\n\n\n\n\n

      eBPF Maps\u662feBPF\u7a0b\u5e8f\u7528\u4e8e\u5b58\u50a8\u548c\u5171\u4eab\u6570\u636e\u7684\u5173\u952e\u6570\u636e\u7ed3\u6784\u3002\u5e38\u89c1\u7684eBPF Maps\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n\n\n\n\n

        \n\n\n
      • Hash Map<\/strong>\uff1a\u57fa\u4e8e\u54c8\u5e0c\u8868\u7684\u952e\u503c\u5bf9\u5b58\u50a8\u3002<\/li>\n\n\n\n\n
      • Array Map<\/strong>\uff1a\u57fa\u4e8e\u6570\u7ec4\u7684\u952e\u503c\u5bf9\u5b58\u50a8\u3002<\/li>\n\n\n\n\n
      • Per-CPU Map<\/strong>\uff1a\u4e3a\u6bcf\u4e2aCPU\u6838\u5fc3\u5b58\u50a8\u72ec\u7acb\u7684\u6570\u636e\u3002<\/li>\n\n\n\n\n
      • Ring Buffer<\/strong>\uff1a\u7528\u4e8e\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

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

        eBPF\u7684\u5f3a\u5927\u529f\u80fd\u548c\u7075\u6d3b\u6027\u4f7f\u5176\u5728\u591a\u4e2a\u9886\u57df\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n\n

        1. \u7f51\u7edc\u6027\u80fd\u4f18\u5316<\/h4>\n\n\n\n\n

        eBPF\u5728\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n\n

          \n\n\n
        • \u6d41\u91cf\u76d1\u63a7<\/strong>\uff1a\u901a\u8fc7eBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u5206\u6790\u6d41\u91cf\u6a21\u5f0f\uff0c\u8bc6\u522b\u5f02\u5e38\u6d41\u91cf\u3002<\/li>\n\n\n\n\n
        • \u8d1f\u8f7d\u5747\u8861<\/strong>\uff1aeBPF\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u63d0\u9ad8\u7f51\u7edc\u670d\u52a1\u7684\u53ef\u7528\u6027\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n\n\n\n\n
        • \u9632\u706b\u5899<\/strong>\uff1aeBPF\u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u9ad8\u6027\u80fd\u7684\u9632\u706b\u5899\uff0c\u63d0\u4f9b\u7ec6\u7c92\u5ea6\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

          2. \u5185\u6838\u8ffd\u8e2a\u4e0e\u8c03\u8bd5<\/h4>\n\n\n\n\n

          eBPF\u5728\u5185\u6838\u8ffd\u8e2a\u548c\u8c03\u8bd5\u65b9\u9762\u7684\u5e94\u7528\u4e5f\u975e\u5e38\u5e7f\u6cdb\uff1a<\/p>\n\n\n\n\n

            \n\n\n
          • \u51fd\u6570\u8ffd\u8e2a<\/strong>\uff1a\u901a\u8fc7eBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u8ffd\u8e2a\u5185\u6838\u51fd\u6570\u7684\u8c03\u7528\u548c\u8fd4\u56de\uff0c\u5206\u6790\u51fd\u6570\u6267\u884c\u65f6\u95f4\u3002<\/li>\n\n\n\n\n
          • \u4e8b\u4ef6\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7\u5185\u6838\u4e8b\u4ef6\uff0c\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u4e2d\u65ad\u7b49\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u8bca\u65ad\u7cfb\u7edf\u95ee\u9898\u3002<\/li>\n\n\n\n\n
          • \u6027\u80fd\u5206\u6790<\/strong>\uff1aeBPF\u53ef\u4ee5\u7528\u4e8e\u7cfb\u7edf\u6027\u80fd\u5206\u6790\uff0c\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

            3. \u5b89\u5168\u76d1\u63a7<\/h4>\n\n\n\n\n

            eBPF\u5728\u5b89\u5168\u76d1\u63a7\u65b9\u9762\u7684\u5e94\u7528\u5305\u62ec\uff1a<\/p>\n\n\n\n\n

              \n\n\n
            • \u884c\u4e3a\u76d1\u63a7<\/strong>\uff1a\u76d1\u63a7\u8fdb\u7a0b\u884c\u4e3a\uff0c\u8bc6\u522b\u6076\u610f\u884c\u4e3a\u3002<\/li>\n\n\n\n\n
            • \u5165\u4fb5\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7\u5206\u6790\u7f51\u7edc\u6d41\u91cf\u548c\u7cfb\u7edf\u8c03\u7528\uff0c\u68c0\u6d4b\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002<\/li>\n\n\n\n\n
            • \u5b89\u5168\u5ba1\u8ba1<\/strong>\uff1a\u8bb0\u5f55\u7cfb\u7edf\u6d3b\u52a8\uff0c\u63d0\u4f9b\u5ba1\u8ba1\u65e5\u5fd7\u3002<\/li>\n\n\n<\/ul>\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\u5f52\u56e0\u4e8e\u5176\u72ec\u7279\u7684\u4f18\u52bf\uff1a<\/p>\n\n\n\n\n

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

              eBPF\u7a0b\u5e8f\u901a\u8fc7JIT\u7f16\u8bd1\u6280\u672f\uff0c\u76f4\u63a5\u5728\u5185\u6838\u4e2d\u6267\u884c\uff0c\u907f\u514d\u4e86\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n\n

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

              eBPF\u9a8c\u8bc1\u5668\u5bf9\u52a0\u8f7d\u7684\u7a0b\u5e8f\u8fdb\u884c\u4e25\u683c\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u4e0d\u4f1a\u5bf9\u5185\u6838\u9020\u6210\u5371\u5bb3\uff0c\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n\n

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

              eBPF\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u5b9e\u73b0\u5404\u79cd\u529f\u80fd\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n\n

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

              eBPF\u7a0b\u5e8f\u53ef\u4ee5\u52a8\u6001\u52a0\u8f7d\u548c\u5378\u8f7d\uff0c\u4e0d\u9700\u8981\u91cd\u542f\u7cfb\u7edf\uff0c\u5177\u6709\u5f88\u5f3a\u7684\u53ef\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n\n

              eBPF\u7684\u672a\u6765\u53d1\u5c55<\/h3>\n\n\n\n\n

              eBPF\u6280\u672f\u4ecd\u5728\u4e0d\u65ad\u53d1\u5c55\u4e2d\uff0c\u672a\u6765\u53ef\u80fd\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u53d6\u5f97\u66f4\u5927\u7a81\u7834\uff1a<\/p>\n\n\n\n\n

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

              \u968f\u7740eBPF\u529f\u80fd\u7684\u4e0d\u65ad\u5b8c\u5584\uff0c\u5176\u5e94\u7528\u573a\u666f\u5c06\u8fdb\u4e00\u6b65\u6269\u5c55\uff0c\u6db5\u76d6\u66f4\u591a\u9886\u57df\uff0c\u5982\u5bb9\u5668\u7f16\u6392\u3001\u8fb9\u7f18\u8ba1\u7b97\u7b49\u3002<\/p>\n\n\n\n\n

              2. \u66f4\u9ad8\u6548\u7684\u6267\u884c\u673a\u5236<\/h4>\n\n\n\n\n

              \u672a\u6765\u7684eBPF\u865a\u62df\u673a\u53ef\u80fd\u4f1a\u5f15\u5165\u66f4\u9ad8\u6548\u7684\u6267\u884c\u673a\u5236\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7a0b\u5e8f\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n\n

              3. \u66f4\u5b8c\u5584\u7684\u5b89\u5168\u673a\u5236<\/h4>\n\n\n\n\n

              \u968f\u7740eBPF\u5e94\u7528\u7684\u666e\u53ca\uff0c\u5176\u5b89\u5168\u673a\u5236\u4e5f\u5c06\u4e0d\u65ad\u5b8c\u5584\uff0c\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u548c\u5b89\u5168\u3002<\/p>\n\n\n\n\n

              4. \u66f4\u597d\u7684\u5de5\u5177\u652f\u6301<\/h4>\n\n\n\n\n

              \u672a\u6765\u53ef\u80fd\u4f1a\u6709\u66f4\u591a\u5f3a\u5927\u7684\u5de5\u5177\u548c\u5e93\u652f\u6301eBPF\u5f00\u53d1\uff0c\u964d\u4f4e\u5f00\u53d1\u95e8\u69db\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n\n\n\n\n

              eBPF\u7684\u6311\u6218\u4e0e\u5e94\u5bf9<\/h3>\n\n\n\n\n

              \u5c3d\u7ba1eBPF\u5177\u6709\u8bf8\u591a\u4f18\u52bf\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4e5f\u9762\u4e34\u4e00\u4e9b\u6311\u6218\uff1a<\/p>\n\n\n\n\n

              1. \u7f16\u7a0b\u590d\u6742\u6027<\/h4>\n\n\n\n\n

              eBPF\u7f16\u7a0b\u76f8\u5bf9\u590d\u6742\uff0c\u5bf9\u5f00\u53d1\u8005\u7684\u8981\u6c42\u8f83\u9ad8\u3002\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\uff0c\u9700\u8981\u63d0\u4f9b\u66f4\u5b8c\u5584\u7684\u5f00\u53d1\u5de5\u5177\u548c\u6587\u6863\uff0c\u964d\u4f4e\u5b66\u4e60\u66f2\u7ebf\u3002<\/p>\n\n\n\n\n

              2. \u5185\u6838\u517c\u5bb9\u6027<\/h4>\n\n\n\n\n

              \u4e0d\u540c\u7248\u672c\u7684Linux\u5185\u6838\u5bf9eBPF\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\u3002\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\uff0c\u9700\u8981\u52a0\u5f3a\u5185\u6838\u7248\u672c\u7684\u6807\u51c6\u5316\u548c\u517c\u5bb9\u6027\u6d4b\u8bd5\u3002<\/p>\n\n\n\n\n

              3. \u5b89\u5168\u98ce\u9669<\/h4>\n\n\n\n\n

              \u5c3d\u7ba1eBPF\u9a8c\u8bc1\u5668\u63d0\u4f9b\u4e86\u5b89\u5168\u4fdd\u969c\uff0c\u4f46\u4ecd\u53ef\u80fd\u5b58\u5728\u672a\u88ab\u53d1\u73b0\u7684\u5b89\u5168\u6f0f\u6d1e\u3002\u5e94\u5bf9\u8fd9\u4e00\u6311\u6218\uff0c\u9700\u8981\u6301\u7eed\u52a0\u5f3a\u5b89\u5168\u7814\u7a76\u548c\u6f0f\u6d1e\u68c0\u6d4b\u3002<\/p>\n\n\n\n\n

              \u603b\u7ed3<\/h3>\n\n\n\n\n

              eBPF\u4f5c\u4e3a\u4e00\u79cd\u521b\u65b0\u6280\u672f\uff0c\u6b63\u5728\u9010\u6b65\u6539\u53d8Linux\u5185\u6838\u7684\u8fd0\u884c\u65b9\u5f0f\uff0c\u4e3a\u7cfb\u7edf\u53ef\u89c2\u6d4b\u6027\u3001\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u548c\u5b89\u5168\u6027\u5e26\u6765\u4e86\u65b0\u7684\u53ef\u80fd\u6027\u3002\u5c3d\u7ba1\u9762\u4e34\u4e00\u4e9b\u6311\u6218\uff0c\u4f46\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0ceBPF\u6709\u671b\u5728\u672a\u6765\u53d1\u6325\u66f4\u5927\u7684\u4f5c\u7528\uff0c\u6210\u4e3a\u5185\u6838\u7f16\u7a0b\u548c\u7cfb\u7edf\u4f18\u5316\u7684\u6838\u5fc3\u529b\u91cf\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u638c\u63e1eBPF\u6280\u672f\uff0c\u4e0d\u4ec5\u80fd\u591f\u63d0\u5347\u81ea\u8eab\u7684\u6280\u80fd\u6c34\u5e73\uff0c\u8fd8\u80fd\u4e3a\u7cfb\u7edf\u7684\u4f18\u5316\u548c\u5b89\u5168\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":21532,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-21531","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\/21531","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=21531"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/21531\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/21532"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=21531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=21531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=21531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}