{"id":21241,"date":"2024-11-12T12:31:25","date_gmt":"2024-11-12T04:31:25","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=21241"},"modified":"2024-11-12T12:31:25","modified_gmt":"2024-11-12T04:31:25","slug":"ebpf%e5%9f%ba%e7%a1%80%e7%a7%91%e6%99%ae%ef%bc%9a%e5%8a%a0%e9%80%9f%e7%b3%bb%e7%bb%9f%e8%bf%90%e8%a1%8c%e7%9a%84%e7%a7%98%e5%af%86%e6%ad%a6%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/21241.html","title":{"rendered":"eBPF\u57fa\u7840\u79d1\u666e\uff1a\u52a0\u901f\u7cfb\u7edf\u8fd0\u884c\u7684\u79d8\u5bc6\u6b66\u5668"},"content":{"rendered":"

\t\t\t\teBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09\u662f\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u8fd1\u5e74\u6765\u5728\u7cfb\u7edf\u548c\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u9886\u57df\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\u3002\u5b83\u4e0d\u4ec5\u80fd\u591f\u52a0\u901f\u7cfb\u7edf\u8fd0\u884c\uff0c\u8fd8\u80fd\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u5f3a\u5927\u7684\u5de5\u5177\u6765\u76d1\u63a7\u548c\u8c03\u8bd5\u7cfb\u7edf\u884c\u4e3a\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF<\/a>\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728\u7cfb\u7edf\u4f18\u5316\u4e2d\u7684\u5e94\u7528\uff0c\u63ed\u793a\u8fd9\u4e00\u79d8\u5bc6\u6b66\u5668\u7684\u5f3a\u5927\u5a01\u529b\u3002<\/p>\n\n\n\n\n

eBPF\u7684\u5386\u53f2\u80cc\u666f<\/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\u3002BPF\u7684\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7\u4e00\u4e2a\u9ad8\u6548\u7684\u865a\u62df\u673a\u6765\u6267\u884c\u8fc7\u6ee4\u7a0b\u5e8f\uff0c\u4ece\u800c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u7f51\u7edc\u6808\u5904\u7406\u3002\u7136\u800c\uff0c\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0cBPF\u7684\u5c40\u9650\u6027\u9010\u6e10\u663e\u73b0\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u590d\u6742\u4efb\u52a1\u65f6\u663e\u5f97\u529b\u4e0d\u4ece\u5fc3\u3002<\/p>\n\n\n\n\n\n\n\n\n

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

\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u9650\u5236\uff0cLinux\u5185\u6838\u57282014\u5e74\u5f15\u5165\u4e86eBPF\uff0c\u6269\u5c55\u4e86BPF\u7684\u529f\u80fd\u548c\u5e94\u7528\u8303\u56f4\u3002eBPF\u4e0d\u4ec5\u652f\u6301\u7f51\u7edc\u6570\u636e\u5305\u8fc7\u6ee4\uff0c\u8fd8\u80fd\u7528\u4e8e\u7cfb\u7edf\u76d1\u63a7\u3001\u6027\u80fd\u5206\u6790\u3001\u5b89\u5168\u68c0\u6d4b\u7b49\u591a\u4e2a\u9886\u57df\u3002<\/p>\n\n\n\n\n

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

1. eBPF\u7a0b\u5e8f<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u662f\u4e00\u6bb5\u8fd0\u884c\u5728\u5185\u6838\u4e2d\u7684\u5c0f\u578b\u4ee3\u7801\u7247\u6bb5\uff0c\u901a\u5e38\u7528C\u8bed\u8a00\u7f16\u5199\uff0c\u5e76\u7ecf\u8fc7\u7f16\u8bd1\u5668\u8f6c\u6362\u6210eBPF\u6307\u4ee4\u96c6\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u53ef\u4ee5\u5728\u7279\u5b9a\u7684\u94a9\u5b50\u70b9\uff08hook points\uff09\u4e0a\u6267\u884c\uff0c\u4f8b\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u4e8b\u4ef6\u3001\u5185\u6838\u51fd\u6570\u5165\u53e3\u7b49\u3002<\/p>\n\n\n\n\n

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

eBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u7531\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u865a\u62df\u673a\u6267\u884c\u3002\u8fd9\u4e2a\u865a\u62df\u673a\u5177\u6709\u4e25\u683c\u7684\u6c99\u76d2\u673a\u5236\uff0c\u786e\u4fddeBPF\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002eBPF\u6307\u4ee4\u96c6\u7ecf\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\uff0c\u65e2\u80fd\u6ee1\u8db3\u9ad8\u6027\u80fd\u9700\u6c42\uff0c\u53c8\u80fd\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u6267\u884c\u3002<\/p>\n\n\n\n\n

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

eBPF maps\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5728eBPF\u7a0b\u5e8f\u548c\u7528\u6237\u7a7a\u95f4\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u3002\u5e38\u89c1\u7684eBPF maps\u7c7b\u578b\u5305\u62ec\u54c8\u5e0c\u8868\u3001\u6570\u7ec4\u3001\u73af\u5f62\u7f13\u51b2\u533a\u7b49\u3002\u901a\u8fc7maps\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u5b58\u50a8\u548c\u68c0\u7d22\u72b6\u6001\u4fe1\u606f\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u903b\u8f91\u3002<\/p>\n\n\n\n\n

4. eBPF\u94a9\u5b50\u70b9<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u53ef\u4ee5\u5728\u591a\u4e2a\u94a9\u5b50\u70b9\u4e0a\u6267\u884c\uff0c\u5305\u62ec\uff1a<\/p>\n\n\n\n\n

    \n\n\n
  • \u7f51\u7edc\u94a9\u5b50\u70b9<\/strong>\uff1a\u5982XDP\uff08eXpress Data Path\uff09\u3001TC\uff08Traffic Control\uff09\u7b49\uff0c\u7528\u4e8e\u7f51\u7edc\u6570\u636e\u5305\u7684\u5904\u7406\u3002<\/li>\n\n\n\n\n
  • \u7cfb\u7edf\u94a9\u5b50\u70b9<\/strong>\uff1a\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u5185\u6838\u51fd\u6570\u5165\u53e3\u7b49\uff0c\u7528\u4e8e\u7cfb\u7edf\u884c\u4e3a\u7684\u76d1\u63a7\u548c\u5206\u6790\u3002<\/li>\n\n\n\n\n
  • \u8ddf\u8e2a\u94a9\u5b50\u70b9<\/strong>\uff1a\u5982kprobes\u3001uprobes\u7b49\uff0c\u7528\u4e8e\u52a8\u6001\u8ddf\u8e2a\u5185\u6838\u548c\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u7684\u6267\u884c\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

    eBPF\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n\n

    eBPF\u7684\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n\n

      \n\n\n
    1. \u7f16\u5199eBPF\u7a0b\u5e8f<\/strong>\uff1a\u5f00\u53d1\u8005\u4f7f\u7528C\u8bed\u8a00\u6216\u5176\u4ed6\u652f\u6301eBPF\u7684\u7f16\u7a0b\u8bed\u8a00\u7f16\u5199eBPF\u7a0b\u5e8f\u3002<\/li>\n\n\n\n\n
    2. \u7f16\u8bd1\u548c\u52a0\u8f7d<\/strong>\uff1aeBPF\u7a0b\u5e8f\u7ecf\u8fc7\u7f16\u8bd1\u5668\u8f6c\u6362\u6210eBPF\u6307\u4ee4\u96c6\uff0c\u5e76\u901a\u8fc7\u5de5\u5177\uff08\u5982bpftool\u6216libbpf\uff09\u52a0\u8f7d\u5230\u5185\u6838\u4e2d\u3002<\/li>\n\n\n\n\n
    3. \u9a8c\u8bc1\u548c\u6267\u884c<\/strong>\uff1a\u5185\u6838\u4e2d\u7684eBPF\u9a8c\u8bc1\u5668\u5bf9\u52a0\u8f7d\u7684\u7a0b\u5e8f\u8fdb\u884c\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u68c0\u67e5\uff0c\u786e\u4fdd\u5176\u7b26\u5408\u6c99\u76d2\u89c4\u5219\u3002\u9a8c\u8bc1\u901a\u8fc7\u540e\uff0ceBPF\u7a0b\u5e8f\u5728\u6307\u5b9a\u7684\u94a9\u5b50\u70b9\u4e0a\u6267\u884c\u3002<\/li>\n\n\n\n\n
    4. \u6570\u636e\u4ea4\u4e92<\/strong>\uff1aeBPF\u7a0b\u5e8f\u901a\u8fc7eBPF maps\u4e0e\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u5b58\u50a8\u548c\u68c0\u7d22\u3002<\/li>\n\n\n<\/ol>\n\n\n\n\n

      eBPF\u7684\u5e94\u7528\u573a\u666f<\/h3>\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
      • XDP<\/strong>\uff1aXDP\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u65e9\u671f\u6570\u636e\u5305\u5904\u7406\u673a\u5236\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u5305\u5230\u8fbe\u7f51\u7edc\u6808\u4e4b\u524d\u8fdb\u884c\u5904\u7406\uff0c\u4ece\u800c\u5927\u5e45\u964d\u4f4e\u5ef6\u8fdf\u548cCPU\u8d1f\u8f7d\u3002eBPF\u7a0b\u5e8f\u53ef\u4ee5\u5728XDP\u94a9\u5b50\u70b9\u4e0a\u6267\u884c\uff0c\u5b9e\u73b0\u5feb\u901f\u7684\u6570\u636e\u5305\u8fc7\u6ee4\u3001\u91cd\u5b9a\u5411\u7b49\u529f\u80fd\u3002<\/li>\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\u6536\u96c6\u5404\u79cd\u7edf\u8ba1\u4fe1\u606f\uff0c\u5982\u5e26\u5bbd\u4f7f\u7528\u3001\u8fde\u63a5\u6570\u7b49\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

        2. \u7cfb\u7edf\u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790<\/h4>\n\n\n\n\n

        eBPF\u5728\u7cfb\u7edf\u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790\u4e2d\u7684\u5e94\u7528\u4e5f\u975e\u5e38\u5e7f\u6cdb\uff1a<\/p>\n\n\n\n\n

          \n\n\n
        • \u7cfb\u7edf\u8c03\u7528\u76d1\u63a7<\/strong>\uff1a\u901a\u8fc7\u5728\u7cfb\u7edf\u8c03\u7528\u94a9\u5b50\u70b9\u4e0a\u6267\u884ceBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u76d1\u63a7\u548c\u5206\u6790\u7cfb\u7edf\u8c03\u7528\u7684\u9891\u7387\u3001\u8017\u65f6\u7b49\u4fe1\u606f\u3002<\/li>\n\n\n\n\n
        • \u5185\u6838\u51fd\u6570\u8ddf\u8e2a<\/strong>\uff1a\u5229\u7528kprobes\u548cuprobes\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u52a8\u6001\u8ddf\u8e2a\u5185\u6838\u548c\u7528\u6237\u7a7a\u95f4\u51fd\u6570\u7684\u6267\u884c\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

          3. \u5b89\u5168\u68c0\u6d4b<\/h4>\n\n\n\n\n

          eBPF\u5728\u5b89\u5168\u68c0\u6d4b\u9886\u57df\u4e5f\u5c55\u73b0\u51fa\u5f3a\u5927\u7684\u6f5c\u529b\uff1a<\/p>\n\n\n\n\n

            \n\n\n
          • \u884c\u4e3a\u76d1\u63a7<\/strong>\uff1a\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u7684\u5404\u79cd\u884c\u4e3a\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u68c0\u6d4b\u5f02\u5e38\u6d3b\u52a8\uff0c\u5982\u975e\u6cd5\u8bbf\u95ee\u3001\u6076\u610f\u4ee3\u7801\u6267\u884c\u7b49\u3002<\/li>\n\n\n\n\n
          • \u6d41\u91cf\u8fc7\u6ee4<\/strong>\uff1aeBPF\u7a0b\u5e8f\u53ef\u4ee5\u5728\u7f51\u7edc\u5c42\u8fdb\u884c\u6570\u636e\u5305\u8fc7\u6ee4\uff0c\u963b\u6b62\u6076\u610f\u6d41\u91cf\u8fdb\u5165\u7cfb\u7edf\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

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

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

            eBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u76f4\u63a5\u6267\u884c\uff0c\u907f\u514d\u4e86\u9891\u7e41\u7684\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\u5207\u6362\uff0c\u4ece\u800c\u5927\u5e45\u63d0\u5347\u4e86\u6027\u80fd\u3002\u7279\u522b\u662f\u5728\u7f51\u7edc\u6570\u636e\u5904\u7406\u65b9\u9762\uff0ceBPF\u7684\u8868\u73b0\u8fdc\u8d85\u4f20\u7edf\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n

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

            eBPF\u7a0b\u5e8f\u53ef\u4ee5\u5728\u591a\u4e2a\u94a9\u5b50\u70b9\u4e0a\u6267\u884c\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5904\u7406\u903b\u8f91\uff0c\u5177\u6709\u6781\u9ad8\u7684\u7075\u6d3b\u6027\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7f16\u5199\u5b9a\u5236\u5316\u7684eBPF\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n

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

            eBPF\u865a\u62df\u673a\u5177\u6709\u4e25\u683c\u7684\u6c99\u76d2\u673a\u5236\uff0c\u786e\u4fddeBPF\u7a0b\u5e8f\u7684\u5b89\u5168\u6267\u884c\u3002\u5185\u6838\u9a8c\u8bc1\u5668\u5bf9\u52a0\u8f7d\u7684\u7a0b\u5e8f\u8fdb\u884c\u4e25\u683c\u68c0\u67e5\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u7684\u6267\u884c\u3002<\/p>\n\n\n\n\n

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

            eBPF\u6280\u672f\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0c\u652f\u6301\u8d8a\u6765\u8d8a\u591a\u7684\u529f\u80fd\u548c\u5e94\u7528\u573a\u666f\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u793e\u533a\u8d21\u732e\u548c\u6269\u5c55eBPF\u7684\u529f\u80fd\uff0c\u6ee1\u8db3\u4e0d\u65ad\u53d8\u5316\u7684\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n\n

            eBPF\u7684\u6311\u6218\u548c\u672a\u6765<\/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

            \u7f16\u5199\u9ad8\u6548\u7684eBPF\u7a0b\u5e8f\u9700\u8981\u5f00\u53d1\u8005\u5177\u5907\u8f83\u9ad8\u7684\u5185\u6838\u77e5\u8bc6\u548c\u7f16\u7a0b\u6280\u80fd\uff0c\u5165\u95e8\u95e8\u69db\u8f83\u9ad8\u3002<\/p>\n\n\n\n\n

            2. \u5de5\u5177\u751f\u6001<\/h4>\n\n\n\n\n

            \u867d\u7136eBPF\u7684\u5de5\u5177\u751f\u6001\u5728\u4e0d\u65ad\u5b8c\u5584\uff0c\u4f46\u4ecd\u9700\u8fdb\u4e00\u6b65\u53d1\u5c55\uff0c\u4ee5\u63d0\u4f9b\u66f4\u4fbf\u6377\u7684\u5f00\u53d1\u548c\u8c03\u8bd5\u5de5\u5177\u3002<\/p>\n\n\n\n\n

            3. \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\u5bfc\u81f4\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/p>\n\n\n\n\n

            \u5c55\u671b\u672a\u6765\uff0ceBPF\u6280\u672f\u6709\u671b\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u53d6\u5f97\u66f4\u5927\u7a81\u7834\uff1a<\/p>\n\n\n\n\n

              \n\n\n
            • \u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u968f\u7740eBPF\u529f\u80fd\u7684\u4e0d\u65ad\u6269\u5c55\uff0c\u5c06\u5728\u66f4\u591a\u9886\u57df\u5f97\u5230\u5e94\u7528\uff0c\u5982\u5bb9\u5668\u7f16\u6392\u3001\u8fb9\u7f18\u8ba1\u7b97\u7b49\u3002<\/li>\n\n\n\n\n
            • \u66f4\u5b8c\u5584\u7684\u5de5\u5177\u751f\u6001<\/strong>\uff1a\u793e\u533a\u5c06\u6301\u7eed\u5f00\u53d1\u548c\u4f18\u5316eBPF\u5de5\u5177\uff0c\u964d\u4f4e\u5f00\u53d1\u95e8\u69db\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002<\/li>\n\n\n\n\n
            • \u66f4\u5f3a\u7684\u6027\u80fd\u8868\u73b0<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316eBPF\u865a\u62df\u673a\u548c\u6307\u4ee4\u96c6\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347eBPF\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002<\/li>\n\n\n<\/ul>\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\u6b63\u5728\u9010\u6b65\u6539\u53d8\u7cfb\u7edf\u548c\u7f51\u7edc\u6027\u80fd\u4f18\u5316\u7684\u683c\u5c40\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3eBPF\u7684\u57fa\u7840\u77e5\u8bc6\u3001\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528\u573a\u666f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528\u8fd9\u4e00\u79d8\u5bc6\u6b66\u5668\uff0c\u52a0\u901f\u7cfb\u7edf\u8fd0\u884c\uff0c\u63d0\u5347\u5e94\u7528\u6027\u80fd\uff0c\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168\u3002\u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0c\u76f8\u4fe1\u5176\u5728\u672a\u6765\u5c06\u53d1\u6325\u66f4\u52a0\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u6210\u4e3a\u7cfb\u7edf\u548c\u7f51\u7edc\u9886\u57df\u4e0d\u53ef\u6216\u7f3a\u7684\u5173\u952e\u6280\u672f\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":21242,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-21241","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\/21241","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=21241"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/21241\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/21242"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=21241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=21241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=21241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}