{"id":22453,"date":"2024-11-21T13:01:11","date_gmt":"2024-11-21T05:01:11","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=22453"},"modified":"2024-11-21T13:01:11","modified_gmt":"2024-11-21T05:01:11","slug":"ebpf%e6%8a%80%e6%9c%af%e5%9c%a8%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e9%9d%a9%e5%91%bd","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/22453.html","title":{"rendered":"eBPF\u6280\u672f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u9769\u547d"},"content":{"rendered":"

\t\t\t\teBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09\u6280\u672f\u8fd1\u5e74\u6765\u5728\u64cd\u4f5c\u7cfb\u7edf\u9886\u57df\u5f15\u8d77\u4e86\u5e7f\u6cdb\u5173\u6ce8\uff0c\u88ab\u89c6\u4e3a\u4e00\u573a\u9769\u547d\u6027\u7684\u6280\u672f\u53d8\u9769\u3002\u5b83\u4e0d\u4ec5\u6781\u5927\u5730\u63d0\u5347\u4e86\u7f51\u7edc\u76d1\u63a7\u548c\u6027\u80fd\u5206\u6790\u7684\u6548\u7387\uff0c\u8fd8\u5728\u5b89\u5168\u6027\u3001\u53ef\u89c2\u6d4b\u6027\u548c\u8d44\u6e90\u7ba1\u7406\u7b49\u65b9\u9762\u5c55\u73b0\u4e86\u524d\u6240\u672a\u6709\u7684\u6f5c\u529b\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF<\/a>\u6280\u672f\u7684\u8d77\u6e90\u3001\u53d1\u5c55\u3001\u6838\u5fc3\u539f\u7406\u53ca\u5176\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u63ed\u793a\u5176\u5982\u4f55\u6539\u53d8\u6211\u4eec\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u7684\u8ba4\u77e5\u548c\u4f7f\u7528\u65b9\u5f0f\u3002<\/p>\n\n\n\n\n

eBPF\u6280\u672f\u7684\u8d77\u6e90\u4e0e\u53d1\u5c55<\/h3>\n\n\n\n\n

eBPF\u6280\u672f\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u52301992\u5e74\uff0c\u5f53\u65f6Van Jacobson\u63d0\u51fa\u4e86BPF\uff08Berkeley Packet Filter\uff09\uff0c\u4e3b\u8981\u7528\u4e8e\u7f51\u7edc\u6570\u636e\u5305\u7684\u8fc7\u6ee4\u548c\u6355\u83b7\u3002BPF\u7684\u8bbe\u8ba1\u7406\u5ff5\u662f\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u7b80\u5355\u7684\u8fc7\u6ee4\u7a0b\u5e8f\uff0c\u51cf\u5c11\u4ece\u5185\u6838\u5230\u7528\u6237\u7a7a\u95f4\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u76d1\u63a7\u7684\u6548\u7387\u3002\u7136\u800c\uff0c\u4f20\u7edf\u7684BPF\u5b58\u5728\u8bf8\u591a\u5c40\u9650\u6027\uff0c\u5982\u529f\u80fd\u5355\u4e00\u3001\u8868\u8fbe\u80fd\u529b\u6709\u9650\u7b49\u3002<\/p>\n\n\n\n\n\n\n\n\n

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

\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c2014\u5e74Alexei Starovoitov\u5728Linux\u5185\u6838\u4e2d\u5f15\u5165\u4e86eBPF\uff0c\u6781\u5927\u5730\u6269\u5c55\u4e86BPF\u7684\u529f\u80fd\u548c\u5e94\u7528\u8303\u56f4\u3002eBPF\u4e0d\u4ec5\u652f\u6301\u66f4\u590d\u6742\u7684\u7a0b\u5e8f\u903b\u8f91\uff0c\u8fd8\u80fd\u5728\u5185\u6838\u4e2d\u8fd0\u884c\uff0c\u76f4\u63a5\u64cd\u4f5c\u5185\u6838\u6570\u636e\u7ed3\u6784\u3002\u8fd9\u4e00\u521b\u65b0\u4f7f\u5f97eBPF\u5728\u6027\u80fd\u76d1\u63a7\u3001\u7f51\u7edc\u4f18\u5316\u3001\u5b89\u5168\u9632\u62a4\u7b49\u9886\u57df\u5927\u653e\u5f02\u5f69\u3002<\/p>\n\n\n\n\n

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

eBPF\u7684\u6838\u5fc3\u539f\u7406\u5728\u4e8e\u5176\u72ec\u7279\u7684\u7a0b\u5e8f\u6267\u884c\u6a21\u578b\u548c\u9a8c\u8bc1\u673a\u5236\u3002eBPF\u7a0b\u5e8f\u9996\u5148\u5728\u7528\u6237\u7a7a\u95f4\u7f16\u5199\uff0c\u7136\u540e\u901a\u8fc7BPF\u7cfb\u7edf\u8c03\u7528\u52a0\u8f7d\u5230\u5185\u6838\u7a7a\u95f4\u3002\u5728\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u5185\u6838\u4f1a\u5bf9eBPF\u7a0b\u5e8f\u8fdb\u884c\u4e25\u683c\u7684\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u5b89\u5168\u6027\u3002\u9a8c\u8bc1\u901a\u8fc7\u540e\uff0ceBPF\u7a0b\u5e8f\u4f1a\u88ab\u7f16\u8bd1\u6210\u9ad8\u6548\u7684\u673a\u5668\u7801\uff0c\u5e76\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u3002<\/p>\n\n\n\n\n

1. eBPF\u7a0b\u5e8f\u7684\u7f16\u5199\u4e0e\u52a0\u8f7d<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u901a\u5e38\u4f7f\u7528\u9ad8\u7ea7\u8bed\u8a00\uff08\u5982C\u8bed\u8a00\uff09\u7f16\u5199\uff0c\u7136\u540e\u901a\u8fc7\u5de5\u5177\u94fe\uff08\u5982LLVM\uff09\u7f16\u8bd1\u6210eBPF\u5b57\u8282\u7801\u3002\u7528\u6237\u7a7a\u95f4\u7684\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7BPF\u7cfb\u7edf\u8c03\u7528\u5c06\u5b57\u8282\u7801\u52a0\u8f7d\u5230\u5185\u6838\u4e2d\u3002\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u5185\u6838\u4f1a\u5bf9\u5b57\u8282\u7801\u8fdb\u884c\u8bed\u6cd5\u548c\u8bed\u4e49\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u4e0d\u4f1a\u5bf9\u7cfb\u7edf\u7a33\u5b9a\u6027\u9020\u6210\u5a01\u80c1\u3002<\/p>\n\n\n\n\n

2. eBPF\u7a0b\u5e8f\u7684\u9a8c\u8bc1\u4e0e\u6267\u884c<\/h4>\n\n\n\n\n

\u5185\u6838\u4e2d\u7684eBPF\u9a8c\u8bc1\u5668\u662f\u786e\u4fddeBPF\u7a0b\u5e8f\u5b89\u5168\u6027\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u9a8c\u8bc1\u5668\u4f1a\u5bf9eBPF\u7a0b\u5e8f\u8fdb\u884c\u591a\u65b9\u9762\u7684\u68c0\u67e5\uff0c\u5305\u62ec\u6307\u4ee4\u5408\u6cd5\u6027\u3001\u5faa\u73af\u63a7\u5236\u3001\u5185\u5b58\u8bbf\u95ee\u7b49\u3002\u53ea\u6709\u901a\u8fc7\u9a8c\u8bc1\u7684\u7a0b\u5e8f\u624d\u4f1a\u88ab\u7f16\u8bd1\u6210\u673a\u5668\u7801\uff0c\u5e76\u5728\u5185\u6838\u4e2d\u6267\u884c\u3002<\/p>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u7684\u6267\u884c\u901a\u5e38\u4e0e\u7279\u5b9a\u7684\u94a9\u5b50\uff08hook\uff09\u70b9\u76f8\u5173\u8054\uff0c\u5982\u7f51\u7edc\u6570\u636e\u5305\u5904\u7406\u3001\u7cfb\u7edf\u8c03\u7528\u7b49\u3002\u5f53\u89e6\u53d1\u8fd9\u4e9b\u94a9\u5b50\u70b9\u65f6\uff0c\u76f8\u5e94\u7684eBPF\u7a0b\u5e8f\u4f1a\u88ab\u6267\u884c\uff0c\u5b9e\u73b0\u5bf9\u5185\u6838\u884c\u4e3a\u7684\u76d1\u63a7\u548c\u4fee\u6539\u3002<\/p>\n\n\n\n\n

eBPF\u6280\u672f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n\n

eBPF\u6280\u672f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u5e7f\u6cdb\u4e14\u6df1\u5165\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n\n

1. \u7f51\u7edc\u76d1\u63a7\u4e0e\u4f18\u5316<\/h4>\n\n\n\n\n

eBPF\u5728\u7f51\u7edc\u76d1\u63a7\u548c\u4f18\u5316\u65b9\u9762\u7684\u5e94\u7528\u662f\u6700\u4e3a\u6210\u719f\u7684\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884ceBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u7f51\u7edc\u6570\u636e\u5305\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u5206\u6790\u3002\u4f8b\u5982\uff0c\u4f7f\u7528eBPF\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u6d41\u91cf\u7edf\u8ba1\u3001\u5ef6\u8fdf\u5206\u6790\u3001\u4e22\u5305\u68c0\u6d4b\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n\n

\u6b64\u5916\uff0ceBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u6d41\u91cf\u7684\u4f18\u5316\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u52a8\u6001\u4fee\u6539\u6570\u636e\u5305\u7684\u5904\u7406\u903b\u8f91\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3001\u6d41\u91cf\u63a7\u5236\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u8457\u540d\u7684Cilium\u9879\u76ee\u5c31\u662f\u57fa\u4e8eeBPF\u6784\u5efa\u7684\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\u7684\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n\n

2. \u6027\u80fd\u5206\u6790\u4e0e\u6545\u969c\u8bca\u65ad<\/h4>\n\n\n\n\n

eBPF\u5728\u6027\u80fd\u5206\u6790\u548c\u6545\u969c\u8bca\u65ad\u65b9\u9762\u4e5f\u5c55\u73b0\u4e86\u5f3a\u5927\u7684\u80fd\u529b\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884ceBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u7684\u5404\u79cd\u6027\u80fd\u6307\u6807\uff0c\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u6d88\u8017\u3001I\/O\u5ef6\u8fdf\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888\u548c\u6545\u969c\u539f\u56e0\u3002<\/p>\n\n\n\n\n

\u4f8b\u5982\uff0cBCC\uff08BPF Compiler Collection\uff09\u5de5\u5177\u96c6\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684eBPF\u7a0b\u5e8f\u548c\u811a\u672c\uff0c\u53ef\u4ee5\u7528\u4e8e\u7cfb\u7edf\u6027\u80fd\u7684\u5168\u9762\u5206\u6790\u3002\u901a\u8fc7\u8fd9\u4e9b\u5de5\u5177\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u83b7\u53d6\u7cfb\u7edf\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u8fdb\u884c\u9ad8\u6548\u7684\u6027\u80fd\u8c03\u4f18\u3002<\/p>\n\n\n\n\n

3. \u5b89\u5168\u9632\u62a4\u4e0e\u76d1\u63a7<\/h4>\n\n\n\n\n

eBPF\u6280\u672f\u5728\u5b89\u5168\u9632\u62a4\u548c\u76d1\u63a7\u65b9\u9762\u4e5f\u5177\u6709\u91cd\u8981\u5e94\u7528\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884ceBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5bf9\u7cfb\u7edf\u7684\u5404\u79cd\u5b89\u5168\u4e8b\u4ef6\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u54cd\u5e94\u3002\u4f8b\u5982\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u68c0\u6d4b\u5f02\u5e38\u7684\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u653b\u51fb\u884c\u4e3a\u7b49\u3002<\/p>\n\n\n\n\n

\u6b64\u5916\uff0ceBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u8bbf\u95ee\u63a7\u5236\u548c\u5b89\u5168\u7b56\u7565\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u52a8\u6001\u4fee\u6539\u8bbf\u95ee\u63a7\u5236\u903b\u8f91\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u4e3a\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u5b89\u5168\u9632\u62a4\u673a\u5236\u3002<\/p>\n\n\n\n\n

4. \u8d44\u6e90\u7ba1\u7406\u4e0e\u8c03\u5ea6<\/h4>\n\n\n\n\n

eBPF\u5728\u8d44\u6e90\u7ba1\u7406\u548c\u8c03\u5ea6\u65b9\u9762\u4e5f\u5c55\u73b0\u4e86\u6f5c\u529b\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u8fd0\u884ceBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5bf9\u7cfb\u7edf\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7\u548c\u8c03\u6574\u3002\u4f8b\u5982\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u52a8\u6001\u8c03\u6574CPU\u3001\u5185\u5b58\u7b49\u8d44\u6e90\u7684\u5206\u914d\u7b56\u7565\uff0c\u4f18\u5316\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n\n\n\n\n

\u6b64\u5916\uff0ceBPF\u8fd8\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u8c03\u5ea6\u7b97\u6cd5\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u52a8\u6001\u4fee\u6539\u8c03\u5ea6\u903b\u8f91\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u4e3a\u667a\u80fd\u548c\u9ad8\u6548\u7684\u8d44\u6e90\u8c03\u5ea6\u673a\u5236\u3002<\/p>\n\n\n\n\n

eBPF\u6280\u672f\u7684\u4f18\u52bf\u4e0e\u6311\u6218<\/h3>\n\n\n\n\n

1. eBPF\u6280\u672f\u7684\u4f18\u52bf<\/h4>\n\n\n\n\n
    \n\n\n
  • \u9ad8\u6027\u80fd<\/strong>\uff1aeBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u8fd0\u884c\uff0c\u907f\u514d\u4e86\u7528\u6237\u7a7a\u95f4\u4e0e\u5185\u6838\u7a7a\u95f4\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u663e\u8457\u63d0\u5347\u4e86\u6027\u80fd\u3002<\/li>\n\n\n\n\n
  • \u7075\u6d3b\u6027<\/strong>\uff1aeBPF\u7a0b\u5e8f\u53ef\u4ee5\u52a8\u6001\u52a0\u8f7d\u548c\u66f4\u65b0\uff0c\u63d0\u4f9b\u4e86\u6781\u5927\u7684\u7075\u6d3b\u6027\uff0c\u9002\u5e94\u5404\u79cd\u590d\u6742\u573a\u666f\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n\n
  • \u5b89\u5168\u6027<\/strong>\uff1a\u5185\u6838\u4e2d\u7684eBPF\u9a8c\u8bc1\u5668\u786e\u4fdd\u4e86\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u5bf9\u7cfb\u7edf\u9020\u6210\u7834\u574f\u3002<\/li>\n\n\n\n\n
  • \u53ef\u89c2\u6d4b\u6027<\/strong>\uff1aeBPF\u6280\u672f\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u53ef\u89c2\u6d4b\u6027\uff0c\u80fd\u591f\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u7684\u5404\u79cd\u72b6\u6001\u548c\u884c\u4e3a\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

    2. eBPF\u6280\u672f\u7684\u6311\u6218<\/h4>\n\n\n\n\n
      \n\n\n
    • \u590d\u6742\u6027<\/strong>\uff1aeBPF\u6280\u672f\u7684\u5b66\u4e60\u548c\u4f7f\u7528\u95e8\u69db\u8f83\u9ad8\uff0c\u9700\u8981\u5f00\u53d1\u8005\u5177\u5907\u4e00\u5b9a\u7684\u5185\u6838\u77e5\u8bc6\u548c\u7f16\u7a0b\u6280\u80fd\u3002<\/li>\n\n\n\n\n
    • \u517c\u5bb9\u6027<\/strong>\uff1a\u4e0d\u540c\u7248\u672c\u7684Linux\u5185\u6838\u5bf9eBPF\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\uff0c\u53ef\u80fd\u4f1a\u5e26\u6765\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n\n\n\n\n
    • \u8c03\u8bd5\u96be\u5ea6<\/strong>\uff1a\u7531\u4e8eeBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u8fd0\u884c\uff0c\u8c03\u8bd5\u96be\u5ea6\u8f83\u5927\uff0c\u9700\u8981\u501f\u52a9\u4e13\u95e8\u7684\u5de5\u5177\u548c\u6280\u672f\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

      eBPF\u6280\u672f\u7684\u672a\u6765\u5c55\u671b<\/h3>\n\n\n\n\n

      \u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584\uff0c\u5176\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u524d\u666f\u5c06\u66f4\u52a0\u5e7f\u9614\u3002\u672a\u6765\uff0ceBPF\u6280\u672f\u53ef\u80fd\u4f1a\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u53d6\u5f97\u7a81\u7834\uff1a<\/p>\n\n\n\n\n

        \n\n\n
      • \u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/strong>\uff1aeBPF\u6280\u672f\u5c06\u8fdb\u4e00\u6b65\u62d3\u5c55\u5e94\u7528\u573a\u666f\uff0c\u6db5\u76d6\u66f4\u591a\u7684\u7cfb\u7edf\u529f\u80fd\u548c\u9886\u57df\u3002<\/li>\n\n\n\n\n
      • \u66f4\u9ad8\u7ea7\u7684\u5de5\u5177\u548c\u6846\u67b6<\/strong>\uff1a\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5c06\u51fa\u73b0\u66f4\u591a\u9ad8\u7ea7\u7684eBPF\u5de5\u5177\u548c\u6846\u67b6\uff0c\u7b80\u5316\u5f00\u53d1\u548c\u4f7f\u7528\u8fc7\u7a0b\u3002<\/li>\n\n\n\n\n
      • \u66f4\u597d\u7684\u517c\u5bb9\u6027\u548c\u6807\u51c6\u5316<\/strong>\uff1a\u672a\u6765\u7684eBPF\u6280\u672f\u5c06\u66f4\u52a0\u6ce8\u91cd\u517c\u5bb9\u6027\u548c\u6807\u51c6\u5316\uff0c\u63d0\u5347\u5176\u5728\u4e0d\u540c\u7cfb\u7edf\u548c\u5e73\u53f0\u4e0a\u7684\u901a\u7528\u6027\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

        \u603b\u4e4b\uff0ceBPF\u6280\u672f\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u9769\u547d\u6027\u5e94\u7528\uff0c\u4e0d\u4ec5\u63d0\u5347\u4e86\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\uff0c\u8fd8\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u53ef\u89c2\u6d4b\u6027\u548c\u7075\u6d3b\u6027\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u8fdb\u6b65\uff0ceBPF\u5fc5\u5c06\u5728\u64cd\u4f5c\u7cfb\u7edf\u7684\u672a\u6765\u53d1\u5c55\u4e2d\u626e\u6f14\u66f4\u52a0\u91cd\u8981\u7684\u89d2\u8272\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":22454,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-22453","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\/22453","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=22453"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/22453\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/22454"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=22453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=22453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=22453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}