{"id":11866,"date":"2024-09-23T13:56:21","date_gmt":"2024-09-23T05:56:21","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=11866"},"modified":"2024-09-23T13:56:21","modified_gmt":"2024-09-23T05:56:21","slug":"%e6%8e%a2%e7%b4%a2ebpf%e5%9c%a8%e6%99%ba%e8%83%bd%e5%ae%b6%e5%b1%85%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%ae%89%e5%85%a8%e4%b8%8e%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/11866.html","title":{"rendered":"\u63a2\u7d22eBPF\u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u7684\u5b89\u5168\u4e0e\u6027\u80fd\u4f18\u5316"},"content":{"rendered":"

\t\t\t\t\u63a2\u7d22eBPF<\/a>\u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u7684\u5b89\u5168\u4e0e\u6027\u80fd\u4f18\u5316<\/p>\n\n\n\n\n

\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u666e\u53ca\u4e3a\u4eba\u4eec\u7684\u751f\u6d3b\u5e26\u6765\u4e86\u6781\u5927\u7684\u4fbf\u5229\u3002\u7136\u800c\uff0c\u968f\u7740\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684\u589e\u591a\u548c\u7f51\u7edc\u8fde\u63a5\u7684\u590d\u6742\u6027\u4e0d\u65ad\u63d0\u9ad8\uff0c\u4fdd\u969c\u7cfb\u7edf\u7684\u5b89\u5168\u548c\u4f18\u5316\u6027\u80fd\u6210\u4e3a\u4e86\u81f3\u5173\u91cd\u8981\u7684\u95ee\u9898\u3002\u5176\u4e2d\uff0c\u7f51\u7edc\u6d41\u91cf\u7684\u91c7\u96c6\u5206\u53d1\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\uff0c\u800c\u4e91\u6749\u7f51\u7edc\u4f5c\u4e3a\u76f8\u5173\u9886\u57df\u7684\u6280\u672f\u63d0\u4f9b\u8005\uff0c\u4e3a\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u53d1\u5c55\u5e26\u6765\u4e86\u65b0\u7684\u601d\u8def\u548c\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n

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

\u4e00\u3001\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u7684\u7f51\u7edc\u6d41\u91cf\u7279\u70b9<\/p>\n\n\n\n\n

\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u5305\u542b\u4e86\u4f17\u591a\u7684\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u97f3\u7bb1\u3001\u667a\u80fd\u6444\u50cf\u5934\u3001\u667a\u80fd\u95e8\u9501\u7b49\uff0c\u8fd9\u4e9b\u8bbe\u5907\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u901a\u4fe1\uff0c\u4ea7\u751f\u4e86\u4e30\u5bcc\u591a\u6837\u7684\u6d41\u91cf\u3002\u5176\u7279\u70b9\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n\n

1.\u591a\u6837\u5316\u7684\u534f\u8bae\uff1a\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u7f51\u7edc\u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u5982Wi-Fi\u3001\u84dd\u7259\u3001Zigbee\u7b49\uff0c\u8fd9\u589e\u52a0\u4e86\u6d41\u91cf\u5206\u6790\u7684\u590d\u6742\u6027\u3002<\/p>\n\n\n\n\n

2.\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u5173\u952e\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u5b89\u9632\u8bbe\u5907\uff0c\u5176\u6570\u636e\u4f20\u8f93\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\uff0c\u5ef6\u8fdf\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u9690\u60a3\u3002<\/p>\n\n\n\n\n

3.\u6570\u636e\u9690\u79c1\u654f\u611f\uff1a\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u6536\u96c6\u7684\u7528\u6237\u6570\u636e\u5f80\u5f80\u6d89\u53ca\u4e2a\u4eba\u9690\u79c1\uff0c\u5982\u5bb6\u5ead\u6d3b\u52a8\u6a21\u5f0f\u3001\u5bb6\u5ead\u6210\u5458\u7684\u884c\u4e3a\u4e60\u60ef\u7b49\uff0c\u56e0\u6b64\u6d41\u91cf\u7684\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n\n

\u4e8c\u3001eBPF<\/a>\u6280\u672f\u5728\u7f51\u7edc\u6d41\u91cf\u5904\u7406\u4e2d\u7684\u4f18\u52bf<\/p>\n\n\n\n\n

eBPF\uff08ExtendedBerkeleyPacketFilter\uff09\u662f\u4e00\u79cd\u9769\u547d\u6027\u7684\u6280\u672f\uff0c\u4e3a\u7f51\u7edc\u6d41\u91cf\u7684\u5904\u7406\u5e26\u6765\u4e86\u8bf8\u591a\u4f18\u52bf\u3002<\/p>\n\n\n\n\n

1.\u9ad8\u6548\u7684\u6027\u80fd\uff1aeBPF\u5141\u8bb8\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u81ea\u5b9a\u4e49\u7684\u7a0b\u5e8f\uff0c\u76f4\u63a5\u5904\u7406\u7f51\u7edc\u6570\u636e\u5305\uff0c\u51cf\u5c11\u4e86\u6570\u636e\u4ece\u5185\u6838\u7a7a\u95f4\u5230\u7528\u6237\u7a7a\u95f4\u7684\u590d\u5236\u6b21\u6570\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u4e86\u5904\u7406\u6027\u80fd\u3002<\/p>\n\n\n\n\n

2.\u7075\u6d3b\u7684\u53ef\u7f16\u7a0b\u6027\uff1a\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528C\u8bed\u8a00\u7b49\u7f16\u5199eBPF\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u5404\u79cd\u590d\u6742\u7684\u6d41\u91cf\u8fc7\u6ee4\u3001\u76d1\u63a7\u548c\u5904\u7406\u903b\u8f91\uff0c\u6ee1\u8db3\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u9700\u6c42\u3002<\/p>\n\n\n\n\n

3.\u5b89\u5168\u53ef\u9760\uff1aeBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u53d7\u5230\u4e25\u683c\u7684\u5b89\u5168\u9650\u5236\uff0c\u9632\u6b62\u9519\u8bef\u7684\u7a0b\u5e8f\u5bfc\u81f4\u7cfb\u7edf\u5d29\u6e83\u6216\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n\n\n\n\n

\u4e09\u3001\u4e91\u6749\u7f51\u7edc\u5728\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6<\/a>\u5206\u53d1\u4e2d\u7684\u4f5c\u7528<\/p>\n\n\n\n\n

\u4e91\u6749\u7f51\u7edc\u4f5c\u4e3a\u4e13\u4e1a\u7684\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\u5546\uff0c\u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6<\/a>\u5206\u53d1\u65b9\u9762\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n\n

1.\u7cbe\u51c6\u7684\u6d41\u91cf\u91c7\u96c6\uff1a\u901a\u8fc7\u5148\u8fdb\u7684\u6280\u672f\u624b\u6bb5\uff0c\u4e91\u6749\u7f51\u7edc\u80fd\u591f\u51c6\u786e\u5730\u6355\u83b7\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u7f51\u7edc\u6d41\u91cf\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n\n

2.\u667a\u80fd\u7684\u6d41\u91cf\u5206\u53d1\uff1a\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u548c\u4f18\u5148\u7ea7\uff0c\u5c06\u91c7\u96c6\u5230\u7684\u6d41\u91cf\u5206\u53d1\u5230\u76f8\u5e94\u7684\u5904\u7406\u6a21\u5757\u6216\u7cfb\u7edf\uff0c\u63d0\u9ad8\u6d41\u91cf\u5904\u7406\u7684\u6548\u7387\u548c\u9488\u5bf9\u6027\u3002<\/p>\n\n\n\n\n

3.\u6df1\u5ea6\u7684\u6d41\u91cf\u5206\u6790\uff1a\u5229\u7528\u5927\u6570\u636e\u5206\u6790\u548c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5bf9\u91c7\u96c6\u5230\u7684\u6d41\u91cf\u8fdb\u884c\u6df1\u5165\u5206\u6790\uff0c\u6316\u6398\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u548c\u6027\u80fd\u74f6\u9888\u3002<\/p>\n\n\n\n\n

\u56db\u3001eBPF\u4e0e\u4e91\u6749\u7f51\u7edc\u7ed3\u5408\u5728\u667a\u80fd\u5bb6\u5c45\u5b89\u5168\u4e2d\u7684\u5e94\u7528<\/p>\n\n\n\n\n

1.\u5165\u4fb5\u68c0\u6d4b\u4e0e\u9632\u8303\uff1a\u901a\u8fc7eBPF\u7f16\u5199\u7684\u7a0b\u5e8f\u5b9e\u65f6\u76d1\u6d4b\u7f51\u7edc\u6d41\u91cf\uff0c\u53d1\u73b0\u5f02\u5e38\u7684\u8bbf\u95ee\u6a21\u5f0f\u548c\u6f5c\u5728\u7684\u5165\u4fb5\u884c\u4e3a\u3002\u4e91\u6749\u7f51\u7edc\u7684\u5206\u6790\u5e73\u53f0\u80fd\u591f\u53ca\u65f6\u53d1\u51fa\u8b66\u62a5\u5e76\u91c7\u53d6\u76f8\u5e94\u7684\u9632\u62a4\u63aa\u65bd\u3002<\/p>\n\n\n\n\n

2.\u6570\u636e\u9690\u79c1\u4fdd\u62a4\uff1a\u5229\u7528eBPF\u5bf9\u654f\u611f\u6570\u636e\u7684\u4f20\u8f93\u8fdb\u884c\u76d1\u63a7\u548c\u52a0\u5bc6\uff0c\u786e\u4fdd\u7528\u6237\u9690\u79c1\u5728\u7f51\u7edc\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u88ab\u6cc4\u9732\u3002\u4e91\u6749\u7f51\u7edc\u7684\u52a0\u5bc6\u6280\u672f\u548c\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n\n

3.\u6f0f\u6d1e\u68c0\u6d4b\u4e0e\u4fee\u590d\uff1a\u5206\u6790\u6d41\u91cf\u4e2d\u7684\u6570\u636e\u5305\uff0c\u53d1\u73b0\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u53ef\u80fd\u5b58\u5728\u7684\u8f6f\u4ef6\u6f0f\u6d1e\uff0c\u5e76\u53ca\u65f6\u901a\u77e5\u7528\u6237\u8fdb\u884c\u4fee\u590d\uff0c\u964d\u4f4e\u7cfb\u7edf\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n\n\n\n\n

\u4e94\u3001eBPF\u4e0e\u4e91\u6749\u7f51\u7edc\u7ed3\u5408\u5728\u667a\u80fd\u5bb6\u5c45\u6027\u80fd\u4f18\u5316\u4e2d\u7684\u5e94\u7528<\/p>\n\n\n\n\n

1.\u7f51\u7edc\u62e5\u585e\u63a7\u5236\uff1a\u901a\u8fc7\u76d1\u6d4b\u7f51\u7edc\u6d41\u91cf\u7684\u62e5\u585e\u60c5\u51b5\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u52a8\u6001\u8c03\u6574\u6570\u636e\u5305\u7684\u53d1\u9001\u901f\u7387\uff0c\u4f18\u5316\u7f51\u7edc\u5e26\u5bbd\u7684\u5229\u7528\u3002\u4e91\u6749\u7f51\u7edc\u7684\u667a\u80fd\u8c03\u5ea6\u7b97\u6cd5\u80fd\u591f\u786e\u4fdd\u5173\u952e\u8bbe\u5907\u7684\u6d41\u91cf\u4f18\u5148\u4f20\u8f93\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6574\u4f53\u54cd\u5e94\u6027\u80fd\u3002<\/p>\n\n\n\n\n

2.\u8bbe\u5907\u6027\u80fd\u76d1\u6d4b\uff1a\u91c7\u96c6\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684\u7f51\u7edc\u6d41\u91cf\u6570\u636e\uff0c\u5206\u6790\u5176\u6027\u80fd\u6307\u6807\uff0c\u5982\u5ef6\u8fdf\u3001\u4e22\u5305\u7387\u7b49\u3002\u4e91\u6749\u7f51\u7edc\u7684\u6027\u80fd\u76d1\u6d4b\u5e73\u53f0\u80fd\u591f\u63d0\u4f9b\u76f4\u89c2\u7684\u62a5\u544a\uff0c\u5e2e\u52a9\u7528\u6237\u4f18\u5316\u8bbe\u5907\u7684\u914d\u7f6e\u548c\u7f51\u7edc\u73af\u5883\u3002<\/p>\n\n\n\n\n

3.\u80fd\u8017\u4f18\u5316\uff1a\u6839\u636e\u6d41\u91cf\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u52a8\u6001\u8c03\u6574\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\uff0c\u964d\u4f4e\u8bbe\u5907\u7684\u80fd\u8017\uff0c\u5ef6\u957f\u7535\u6c60\u5bff\u547d\u3002<\/p>\n\n\n\n\n

\u516d\u3001\u9762\u4e34\u7684\u6311\u6218\u4e0e\u672a\u6765\u5c55\u671b<\/p>\n\n\n\n\n

\u5c3d\u7ba1eBPF\u4e0e\u4e91\u6749\u7f51\u7edc\u7684\u7ed3\u5408\u4e3a\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u5b89\u5168\u548c\u6027\u80fd\u4f18\u5316\u5e26\u6765\u4e86\u663e\u8457\u7684\u4f18\u52bf\uff0c\u4f46\u4ecd\u9762\u4e34\u4e00\u4e9b\u6311\u6218\u3002<\/p>\n\n\n\n\n

1.\u517c\u5bb9\u6027\u95ee\u9898\uff1a\u4e0d\u540c\u7684\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u548c\u64cd\u4f5c\u7cfb\u7edf\u5bf9eBPF\u7684\u652f\u6301\u7a0b\u5ea6\u53ef\u80fd\u4e0d\u540c\uff0c\u9700\u8981\u89e3\u51b3\u517c\u5bb9\u6027\u95ee\u9898\u4ee5\u786e\u4fdd\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n\n

2.\u6cd5\u89c4\u4e0e\u653f\u7b56\uff1a\u968f\u7740\u6570\u636e\u9690\u79c1\u4fdd\u62a4\u6cd5\u89c4\u7684\u65e5\u76ca\u4e25\u683c\uff0c\u5982\u4f55\u5728\u5229\u7528\u7f51\u7edc\u6d41\u91cf\u8fdb\u884c\u5206\u6790\u548c\u4f18\u5316\u7684\u540c\u65f6\uff0c\u786e\u4fdd\u7b26\u5408\u6cd5\u5f8b\u6cd5\u89c4\u7684\u8981\u6c42\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002<\/p>\n\n\n\n\n

\u672a\u6765\uff0c\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6211\u4eec\u53ef\u4ee5\u671f\u5f85eBPF\u5728\u667a\u80fd\u5bb6\u5c45\u9886\u57df\u7684\u5e94\u7528\u5c06\u66f4\u52a0\u6210\u719f\u548c\u5e7f\u6cdb\u3002\u4e91\u6749\u7f51\u7edc\u4e5f\u5c06\u4e0d\u65ad\u521b\u65b0\uff0c\u63d0\u4f9b\u66f4\u52a0\u667a\u80fd\u3001\u9ad8\u6548\u548c\u5b89\u5168\u7684\u7f51\u7edc\u6d41\u91cf\u91c7\u96c6\u5206\u53d1\u89e3\u51b3\u65b9\u6848\uff0c\u4e3a\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u7684\u53d1\u5c55\u4fdd\u9a7e\u62a4\u822a\uff0c\u8ba9\u4eba\u4eec\u5728\u4eab\u53d7\u667a\u80fd\u5bb6\u5c45\u5e26\u6765\u4fbf\u5229\u7684\u540c\u65f6\uff0c\u65e0\u9700\u62c5\u5fe7\u5b89\u5168\u548c\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n\n

\u603b\u4e4b\uff0c\u63a2\u7d22eBPF\u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u7684\u5b89\u5168\u4e0e\u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u5177\u6709\u91cd\u8981\u610f\u4e49\u7684\u7814\u7a76\u65b9\u5411\u3002\u901a\u8fc7\u5145\u5206\u53d1\u6325eBPF\u7684\u6280\u672f\u4f18\u52bf\uff0c\u7ed3\u5408\u4e91\u6749\u7f51\u7edc\u7684\u4e13\u4e1a\u80fd\u529b\uff0c\u6211\u4eec\u6709\u4fe1\u5fc3\u6253\u9020\u4e00\u4e2a\u66f4\u52a0\u5b89\u5168\u3001\u9ad8\u6548\u548c\u8212\u9002\u7684\u667a\u80fd\u5bb6\u5c45\u73af\u5883\uff0c\u63a8\u52a8\u667a\u80fd\u5bb6\u5c45\u884c\u4e1a\u7684\u5065\u5eb7\u53d1\u5c55\u3002<\/p>\n\n]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

\t\t\t\t\t\t<\/p>\n","protected":false},"author":5,"featured_media":11867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-11866","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\/11866","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=11866"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/11866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/11867"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=11866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=11866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=11866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}