{"id":8475,"date":"2024-09-11T09:58:04","date_gmt":"2024-09-11T01:58:04","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=8475"},"modified":"2024-09-11T09:58:04","modified_gmt":"2024-09-11T01:58:04","slug":"ebpf%e6%8a%80%e6%9c%af%ef%bc%9a%e5%9c%a8%e5%ae%9e%e6%97%b6%e7%9b%91%e6%8e%a7%e4%b8%8e%e6%95%85%e9%9a%9c%e8%af%8a%e6%96%ad%e4%b8%ad%e7%9a%84%e7%aa%81%e5%87%ba%e8%a1%a8%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/8475.html","title":{"rendered":"eBPF\u6280\u672f\uff1a\u5728\u5b9e\u65f6\u76d1\u63a7\u4e0e\u6545\u969c\u8bca\u65ad\u4e2d\u7684\u7a81\u51fa\u8868\u73b0"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[\n\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/www.yunshan.net\/blog\/wp-content\/uploads\/2024\/09\/5aq0G7.jpg\" \/><\/p>\n\n<\/p>\n\n\n\n<p>\u3000\u3000<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">eBPF<\/a>\u6280\u672f\uff1a\u5728\u5b9e\u65f6\u76d1\u63a7\u4e0e\u6545\u969c\u8bca\u65ad\u4e2d\u7684\u7a81\u51fa\u8868\u73b0<\/p>\n\n\n\n\n<p>\u3000\u3000\u5728\u5f53\u4eca\u6570\u5b57\u5316\u7684\u65f6\u4ee3\uff0c\u4f01\u4e1a\u7684IT\u7cfb\u7edf\u53d8\u5f97\u65e5\u76ca\u590d\u6742\uff0c\u5bf9\u4e8e\u7cfb\u7edf\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u6545\u969c\u8bca\u65ad\u7684\u9700\u6c42\u4e5f\u6108\u53d1\u8feb\u5207\u3002\u5728\u4f17\u591a\u7684\u6280\u672f\u4e2d\uff0c<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">eBPF<\/a>\uff08ExtendedBerkeleyPacketFilter\uff09\u6280\u672f\u4ee5\u5176\u72ec\u7279\u7684\u4f18\u52bf\uff0c\u5728\u5b9e\u65f6\u76d1\u63a7\u4e0e\u6545\u969c\u8bca\u65ad\u9886\u57df\u4e2d\u8131\u9896\u800c\u51fa\uff0c\u4e3a\u4f01\u4e1a\u7684IT\u8fd0\u8425\u5e26\u6765\u4e86\u5168\u65b0\u7684\u7a81\u7834\u3002<strong>\u4e91\u6749\u7f51\u7edc<\/strong>\u4f5c\u4e3a\u884c\u4e1a\u5185\u7684\u9886\u5148\u8005\uff0c\u5bf9<a href=\"https:\/\/www.yunshan.net\" target=\"_blank\" style=\"color:blue\" rel=\"noopener noreferrer\">eBPF<\/a>\u6280\u672f\u7684\u5e94\u7528\u548c\u53d1\u5c55\u6709\u7740\u6df1\u5165\u7684\u7814\u7a76\u548c\u5b9e\u8df5\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000<strong>\u4e00\u3001eBPF\u6280\u672f\u7b80\u4ecb<\/strong><\/p>\n\n\n\n\n<p>\u3000\u3000eBPF\u662f\u4e00\u9879\u9769\u547d\u6027\u7684\u5185\u6838\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u5728\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4e2d\u8fd0\u884c\u7528\u6237\u5b9a\u4e49\u7684\u7a0b\u5e8f\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u5185\u6838\u6e90\u4ee3\u7801\u6216\u52a0\u8f7d\u5185\u6838\u6a21\u5757\u7684\u60c5\u51b5\u4e0b\uff0c\u5b89\u5168\u6709\u6548\u5730\u8bbf\u95ee\u5185\u6838\u7684\u5404\u79cd\u6570\u636e\u548c\u529f\u80fd\u3002\u8fd9\u610f\u5473\u7740\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7f16\u5199\u81ea\u5b9a\u4e49\u7684\u903b\u8f91\u6765\u76d1\u63a7\u548c\u5904\u7406\u7cfb\u7edf\u4e8b\u4ef6\uff0c\u5982\u7f51\u7edc\u6570\u636e\u5305\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u5185\u6838\u8ddf\u8e2a\u70b9\u7b49\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u7cfb\u7edf\u7684\u6df1\u5ea6\u6d1e\u5bdf\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000eBPF\u6280\u672f\u7684\u51fa\u73b0\uff0c\u6781\u5927\u5730\u62d3\u5c55\u4e86\u7cfb\u7edf\u76d1\u63a7\u548c\u6545\u969c\u8bca\u65ad\u7684\u80fd\u529b\u3002\u5b83\u80fd\u591f\u63d0\u4f9b\u4f4e\u5f00\u9500\u3001\u9ad8\u6027\u80fd\u7684\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff0c\u540c\u65f6\u8fd8\u5177\u5907\u7075\u6d3b\u7684\u53ef\u7f16\u7a0b\u6027\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u7279\u5b9a\u9700\u6c42\u5b9a\u5236\u76d1\u63a7\u903b\u8f91\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000<strong>\u4e8c\u3001eBPF\u6280\u672f\u5728\u5b9e\u65f6\u76d1\u63a7\u4e2d\u7684\u5e94\u7528<\/strong><\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e00\uff09\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7<br \/>\n\u5728\u7f51\u7edc\u9886\u57df\uff0ceBPF\u53ef\u4ee5\u7528\u4e8e\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u6355\u83b7\u7f51\u7edc\u6570\u636e\u5305\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u5206\u6790\u548c\u8fc7\u6ee4\uff0c\u4f01\u4e1a\u53ef\u4ee5\u83b7\u5f97\u5173\u4e8e\u7f51\u7edc\u6d41\u91cf\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5982\u6e90IP\u5730\u5740\u3001\u76ee\u6807IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u3001\u534f\u8bae\u7c7b\u578b\u7b49\u3002\u8fd9\u6709\u52a9\u4e8e\u53d1\u73b0\u5f02\u5e38\u7684\u7f51\u7edc\u6d41\u91cf\u6a21\u5f0f\uff0c\u5982\u7a81\u53d1\u7684\u5927\u6d41\u91cf\u3001\u975e\u6cd5\u7684\u8bbf\u95ee\u8bf7\u6c42\u7b49\uff0c\u4ece\u800c\u53ca\u65f6\u91c7\u53d6\u63aa\u65bd\u4fdd\u969c\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e8c\uff09\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7<br \/>\n\u5bf9\u4e8e\u7cfb\u7edf\u6027\u80fd\u7684\u76d1\u63a7\uff0ceBPF\u540c\u6837\u8868\u73b0\u51fa\u8272\u3002\u5b83\u53ef\u4ee5\u5b9e\u65f6\u8ddf\u8e2a\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5982CPU\u5229\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u91cf\u3001\u78c1\u76d8I\/O\u7b49\u3002\u901a\u8fc7\u5bf9\u8fd9\u4e9b\u6570\u636e\u7684\u5206\u6790\uff0c\u80fd\u591f\u5feb\u901f\u5b9a\u4f4d\u7cfb\u7edf\u6027\u80fd\u74f6\u9888\uff0c\u4e3a\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u63d0\u4f9b\u6709\u529b\u7684\u4f9d\u636e\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e09\uff09\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u76d1\u63a7<br \/>\neBPF\u8fd8\u80fd\u591f\u6df1\u5165\u76d1\u63a7\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002\u5b83\u53ef\u4ee5\u8ddf\u8e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u51fd\u6570\u8c03\u7528\u3001\u7cfb\u7edf\u8c03\u7528\u3001\u4e0a\u4e0b\u6587\u5207\u6362\u7b49\uff0c\u4ece\u800c\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u90e8\u8fd0\u884c\u673a\u5236\u3002\u8fd9\u5bf9\u4e8e\u53d1\u73b0\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6027\u80fd\u95ee\u9898\u3001\u9519\u8bef\u884c\u4e3a\u4ee5\u53ca\u5b89\u5168\u6f0f\u6d1e\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000<strong>\u4e09\u3001eBPF\u6280\u672f\u5728\u6545\u969c\u8bca\u65ad\u4e2d\u7684\u4f18\u52bf<\/strong><\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e00\uff09\u5feb\u901f\u5b9a\u4f4d\u6545\u969c\u6e90<br \/>\n\u5f53\u7cfb\u7edf\u51fa\u73b0\u6545\u969c\u65f6\uff0ceBPF\u6280\u672f\u80fd\u591f\u5feb\u901f\u6355\u83b7\u76f8\u5173\u7684\u7cfb\u7edf\u4e8b\u4ef6\u548c\u6570\u636e\uff0c\u5e2e\u52a9\u8fd0\u7ef4\u4eba\u5458\u8fc5\u901f\u5b9a\u4f4d\u6545\u969c\u6e90\u3002\u4f8b\u5982\uff0c\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u8c03\u7528\u7684\u8fd4\u56de\u503c\u548c\u9519\u8bef\u7801\uff0c\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u7cfb\u7edf\u8c03\u7528\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u8fdb\u800c\u8ffd\u8e2a\u5230\u5bfc\u81f4\u6545\u969c\u7684\u76f8\u5173\u4ee3\u7801\u6bb5\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e8c\uff09\u5b9e\u65f6\u6570\u636e\u5206\u6790<br \/>\neBPF\u5141\u8bb8\u5728\u4e8b\u4ef6\u53d1\u751f\u7684\u77ac\u95f4\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u548c\u5206\u6790\uff0c\u63d0\u4f9b\u4e86\u5b9e\u65f6\u7684\u6545\u969c\u8bca\u65ad\u80fd\u529b\u3002\u8fd9\u4e0e\u4f20\u7edf\u7684\u57fa\u4e8e\u65e5\u5fd7\u7684\u6545\u969c\u8bca\u65ad\u65b9\u5f0f\u76f8\u6bd4\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u6545\u969c\u8bca\u65ad\u7684\u65f6\u95f4\u5ef6\u8fdf\uff0c\u63d0\u9ad8\u4e86\u6545\u969c\u89e3\u51b3\u7684\u6548\u7387\u3002<\/p>\n\n\n\n\n<p>\u3000\u3000\uff08\u4e09\uff09\u6df1\u5ea6\u5185\u6838\u6d1e\u5bdf<br 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