{"id":10006407,"date":"2022-09-06T01:11:29","date_gmt":"2022-09-05T17:11:29","guid":{"rendered":"https:\/\/ityet.com\/?p=10006407"},"modified":"2022-09-06T01:11:29","modified_gmt":"2022-09-05T17:11:29","slug":"%e5%9f%ba%e4%ba%8e-ebpf-%e7%9a%84-kubernetes-%e5%8f%af%e8%a7%82%e6%b5%8b%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006407","title":{"rendered":"\u57fa\u4e8e eBPF \u7684 Kubernetes \u53ef\u89c2\u6d4b\u5b9e\u8df5"},"content":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u6784\u5efa\u4e86 kubernetes \u7edf\u4e00\u76d1\u63a7\uff0c\u65e0\u4fb5\u5165\u5f0f\u5730\u63d0\u4f9b\u591a\u8bed\u8a00\u3001\u5e94\u7528\u6027\u80fd\u9ec4\u91d1\u6307\u6807\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u7ed3\u5408 Kubernetes \u7ba1\u63a7\u5c42\u4e0e\u7f51\u7edc\u7cfb\u7edf\u5c42\u76d1\u63a7\uff0c\u63d0\u4f9b\u5168\u6808\u4e00\u4f53\u5f0f\u7684\u53ef\u89c2\u6d4b\u4f53\u9a8c\u3002\u901a\u8fc7\u6d41\u91cf\u62d3\u6251\u3001\u94fe\u8def\u3001\u8d44\u6e90\u7684\u5173\u7cfb\uff0c\u53ef\u8fdb\u884c\u5173\u8054\u5206\u6790\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u5728 Kubernetes \u73af\u5883\u4e0b\u6392\u67e5\u95ee\u9898\u7684\u6548\u7387\u3002\u4f5c\u8005\uff1a\u5218\u6d0b\uff08\u708e\u5bfb\uff09\u00a0\u53ef\u89c2\u6d4b\u662f\u4e3a\u4e86\u89e3\u51b3\u95ee\u9898\uff0c\u6240\u4ee5\u5728\u804a\u53ef\u89c2\u6d4b\u4e4b\u524d\uff0c\u5e94\u5148\u5bf9\u95ee\u9898\u6392\u67e5\u7684\u666e\u9002\u539f\u5219\u8fdb\u884c\u4e86\u89e3\u3002\u00a0\u80cc\u666f\u4ecb\u7ecd\u00a0\u95ee\u9898\u6392\u67e5\u7684\u539f\u5219\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435295\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br 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\u53ef\u89c2\u6d4b\u6311\u6218\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435296\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br 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1\uff1a\u7aef\u5230\u7aef\u89c2\u6d4b\u590d\u6742\u5ea6\u4e0a\u5347\uff0c\u57cb\u70b9\u6210\u672c\u5c45\u9ad8\u4e0d\u4e0b\u3002\u7136\u800c\u8fd9\u53ea\u662f\u51b0\u5c71\u4e00\u89d2\uff0c\u6709\u5927\u91cf\u80fd\u529b\u4e0b\u6c89\u5230 Kubernetes \u7ba1\u63a7\u5c42\u3001\u5bb9\u5668\u8fd0\u884c\u5c42\u3001\u7f51\u7edc\u548c\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\uff0c\u8fd9\u4e9b\u57fa\u7840\u8bbe\u65bd\u80fd\u529b\u7684\u4e0b\u6c89\u5e26\u6765\u4e86\u5f88\u5927\u6311\u6218\u3002\u00a0\u6311\u6218 2\uff1a\u7531\u4e8e\u5173\u6ce8\u70b9\u7684\u5206\u79bb\uff0c\u4f7f\u5f97\u5e94\u7528\u95ee\u9898\u4e0e\u5e95\u5c42\u95ee\u9898\u65e0\u6cd5\u81ea\u9876\u5411\u4e0b\u5f62\u6210\u5173\u8054\u3002\u00a0\u6311\u6218 3\uff1a\u867d\u7136\u6709\u5f88\u591a\u5de5\u5177\uff0c\u4f46\u662f\u4e0a\u4e0b\u6587\u7f3a\u5931\u3001\u6570\u636e\u6563\u843d\uff0c\u5bfc\u81f4\u65e0\u6cd5\u901a\u8fc7\u8fd9\u4e9b\u6570\u636e\u5f88\u597d\u5730\u7406\u89e3\u5e94\u7528\uff0c\u56e0\u4e3a\u73b0\u573a\u7684\u7f3a\u5931\u65e0\u6cd5\u5173\u8054\uff0c\u800c\u4f7f\u95ee\u9898\u6392\u67e5\u6548\u7387\u4f4e\u4e0b\u3002\u00a0\u53ef\u89c2\u6d4b\u9700\u8981\u6709\u7edf\u4e00\u7684\u6280\u672f\u6765\u89e3\u51b3\u81ea\u8eab\u7684\u590d\u6742\u5ea6\u3002\u00a0\u57fa\u4e8e eBPF \u7684\u53ef\u89c2\u6d4b\u5b9e\u8df5\u5206\u4eab\u00a0eBPF \u4ecb\u7ecd\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435297\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u4ece\u4e00\u5f00\u59cb\uff0c\u5185\u6838\u5c31\u662f\u53ef\u89c2\u6d4b\u7684\u7edd\u4f73\u4f4d\u7f6e\uff0c\u7136\u800c\u7531\u4e8e\u6548\u7387\u548c\u5b89\u5168\u95ee\u9898\u4e00\u76f4\u65e0\u6cd5\u5b9e\u73b0\u3002\u7ecf\u8fc7\u591a\u5e74\u53d1\u5c55\uff0ceBPF \u6280\u672f\u4e3a\u53ef\u89c2\u6d4b\u6253\u5f00\u4e86\u65b0\u7684\u5927\u95e8\u3002\u00a0eBPF \u662f\u4e00\u9879\u53ef\u4ee5\u5b89\u5168\u5730\u5728\u5185\u6838\u4e2d\u8fd0\u884c\u6c99\u76d2\u7a0b\u5e8f\u7684\u6280\u672f\uff0c\u65e0\u9700\u4fee\u6539\u4ee3\u7801\u5373\u53ef\u5728\u5185\u6838\u7528\u6237\u6001\u7a0b\u5e8f\u4e8b\u4ef6\u53d1\u751f\u65f6\u8fd0\u884c\u3002\u5b83\u5177\u5907\u4ee5\u4e0b\u7279\u6027\uff1a\u00a0\u65e0\u4fb5\u5165\u7279\u6027\uff1a\u89c2\u6d4b\u6210\u672c\u6781\u4f4e\uff0c\u5e94\u7528\u65e0\u9700\u4fee\u6539\u4efb\u4f55\u4ee3\u7801\uff0c\u4e5f\u65e0\u9700\u91cd\u542f\u8fdb\u7a0b\u3002\u00a0\u52a8\u6001\u53ef\u7f16\u7a0b\u6027\uff1a\u65e0\u9700\u91cd\u542f\u63a2\u9488\uff0c\u52a8\u6001\u4e0b\u53d1 eBPF \u811a\u672c\u5373\u53ef\u4fee\u6539\u63a2\u9488\u4fa7\u7684\u903b\u8f91\u3002\u00a0\u9ad8\u6027\u80fd\uff1a\u81ea\u5e26 JIT \u7f16\u8bd1\uff0c\u4f7f\u63a2\u9488\u80fd\u591f\u83b7\u5f97\u5185\u6838\u672c\u5730\u8fd0\u884c\u7684\u6548\u7387\u3002\u00a0\u5b89\u5168\uff1averifier \u673a\u5236\u9650\u5236\u4e86 eBPF \u811a\u672c\u80fd\u591f\u8bbf\u95ee\u7684\u5185\u6838\u51fd\u6570\uff0c\u4fdd\u8bc1\u5185\u6838\u8fd0\u884c\u7684\u7a33\u5b9a\u3002\u00a0\u9664\u4e86\u8fd9\u4e9b\u4ee4\u4eba\u632f\u594b\u7684\u7279\u6027\u5916\uff0ceBPF \u7684\u4f7f\u7528\u6d41\u7a0b\u4e5f\u975e\u5e38\u65b9\u4fbf\u3002\u4ee5\u76d1\u63a7\u3001\u5e94\u7528\u3001\u6027\u80fd\u4e3a\u4f8b\uff0c\u53ea\u9700\u8981\u52a0\u8f7d\u7f16\u8bd1 eBPF \u7a0b\u5e8f\u76d1\u542c\u7f51\u7edc\u7684\u5185\u6838\u4e8b\u4ef6\uff0c\u89e3\u6790\u7f51\u7edc\u534f\u8bae\uff0c\u7136\u540e\u805a\u5408\u6210\u6307\u6807\uff0c\u8f93\u51fa Trace \u5373\u53ef\u3002\u00a0eBPF \u5f97\u5230\u4e86\u5f88\u591a\u5927\u516c\u53f8\u7684\u652f\u6301\uff0c\u53d1\u5c55\u5341\u5206\u8fc5\u731b\u3002\u8fc7\u53bb\u4e00\u5e74\uff0c\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u57fa\u4e8e eBPF \u6280\u672f\u6784\u5efa\u4e86\u7edf\u4e00\u53ef\u89c2\u6d4b\u5e73\u53f0\u3002\u5176\u67b6\u6784\u5982\u4e0b\u56fe\uff1a\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435298\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u57fa\u4e8e eBPF \u7684\u7edf\u4e00\u53ef\u89c2\u6d4b\u5e73\u53f0\u67b6\u6784\u00a0\u6700\u5e95\u5c42\u662f\u6570\u636e\u91c7\u96c6\u5c42\uff0c\u4e3b\u8981\u91c7\u7528 Tracepoints\u3001Kprobre\u3001eBPF \u51fd\u6570\u6293\u53d6\u76f8\u5173\u7cfb\u7edf\u8c03\u7528\uff0c\u5173\u8054\u8fdb\u7a0b\u5bb9\u5668\u4fe1\u606f\uff0c\u5f62\u6210\u539f\u59cb\u4e8b\u4ef6\uff0c\u5e76\u901a\u8fc7 eBPF \u548c sysdig \u7684\u7ed3\u5408\u652f\u6301\u591a\u5185\u6838\u7248\u672c\u3002\u540c\u65f6\u4e3a\u4e86\u89e3\u51b3\u4e8b\u4ef6\u7206\u70b8\u7684\u95ee\u9898\uff0c\u5f15\u5165\u4e86\u4e8b\u4ef6\u8fc7\u6ee4\u548c\u9ad8\u6027\u80fd\u4e8b\u4ef6\u4f20\u8f93\u673a\u5236\u3002\u00a0\u5f80\u4e0a\u662f\u6570\u636e\u5904\u7406\u5c42\u3002\u7528\u6237\u6001\u83b7\u53d6\u5230\u539f\u59cb\u4e8b\u4ef6\u540e\uff0c\u9996\u5148\u8fdb\u884c\u534f\u8bae\u7684\u89e3\u6790\uff0c\u751f\u6210\u6307\u6807\u3001\u94fe\u8def\u3001\u65e5\u5fd7\u7b49\u6570\u636e\uff0c\u8fc7\u7a0b\u4e2d\u4e5f\u4f1a\u5bf9\u4fe1\u606f\u505a\u6536\u655b\u3002\u7136\u540e\u586b\u5145\u5143\u4fe1\u606f\uff0c\u6bd4\u5982 K8s \u4fe1\u606f\u586b\u5145\u6216\u81ea\u5b9a\u4e49\u5e94\u7528\u4fe1\u606f\u586b\u5145\uff0c\u6700\u540e\u76d1\u63a7\u6570\u636e\u4f1a\u901a\u8fc7 OpenTelemetry Collector \u8f93\u51fa\u3002\u5f15\u5165 OpenTelemetry Collector \u4e3b\u8981\u4e3a\u4e86\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u4ee5\u53ca\u591a\u6570\u636e\u4f20\u8f93\u901a\u9053\uff0c\u652f\u6301\u5c06\u76d1\u63a7\u6570\u636e\u5199\u5165\u7528\u6237\u6307\u5b9a\u7684\u5b58\u50a8\u3002\u00a0\u518d\u5f80\u4e0a\u662f\u6570\u636e\u5b58\u50a8\u5c42\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6307\u6807\u4f1a\u4f7f\u7528 influxDB \u5b58\u50a8\u5728 Prometheus\uff0c\u94fe\u8def\u548c\u65e5\u5fd7\u4f7f\u7528 SLS \u5b58\u50a8\u5728 Trace\u3002\u00a0\u6700\u4e0a\u662f\u6570\u636e\u670d\u52a1\u5c42\uff0c\u901a\u8fc7 ARMS \u7684\u524d\u7aef\u4ee5\u53ca Grafana \u6700\u7ec8\u5448\u73b0\u7ed9\u7528\u6237\u591a\u79cd\u591a\u6837\u7684\u53ef\u89c2\u6d4b\u670d\u52a1\u3002\u00a0\u5982\u4f55\u8fdb\u884c\u65e0\u4fb5\u5165\u5f0f\u591a\u8bed\u8a00\u7684\u534f\u8bae\u89e3\u6790\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435299\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0ARMS \u53ef\u89c2\u6d4b\u56e2\u961f\u5173\u6ce8 eBPF \u5728\u5e94\u7528\u5c42\u7684\u5e94\u7528\uff0c\u901a\u8fc7\u76d1\u542c\u7f51\u7edc\u5185\u6838\u8c03\u7528\uff0c\u6784\u5efa\u8fde\u63a5\u8ddf\u8e2a\uff0c\u5c06\u4f20\u8f93\u7684\u7f51\u7edc\u5305\u8fdb\u884c\u534f\u8bae\u5206\u6790\uff0c\u5f97\u5230\u5e94\u7528\u5c42\u9762\u7684\u8bf7\u6c42\u54cd\u5e94\uff0c\u6700\u7ec8\u5f97\u4ee5\u65e0\u4fb5\u5165\u5f0f\u5730\u652f\u6301\u591a\u8bed\u8a00\u573a\u666f\u4e0b\u8bf7\u6c42\u6570\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u6570\u3001\u9ec4\u91d1\u6307\u6807\u7684\u76d1\u63a7\u3002\u00a0\u76ee\u524d\u6211\u4eec\u652f\u6301 HTTP\u3001 Redis \u3001DNS\u3001Kafka\u3001MySQL\u3001gRPC \u3001http2 \u7b49\u534f\u8bae\uff0c\u652f\u6301\u7684\u534f\u8bae\u5217\u8868\u4e5f\u5728\u4e0d\u65ad\u6269\u5145\u4e2d\u3002\u00a0\u7ebf\u4e0a\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6cd5\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435300\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u7ecf\u8fc7\u4e00\u5e74\u591a\u7684\u751f\u4ea7\u5b9e\u8df5\uff0c\u9047\u5230\u6700\u591a\u7684\u95ee\u9898\u4e3b\u8981\u6709\u4ee5\u4e0b\u56db\u4e2a\uff1a\u00a0\u7b2c\u4e00\uff0c\u5185\u6838\u7248\u672c\u9002\u914d\u95ee\u9898\u3002eBPF \u5728\u5185\u6838\u7248\u672c 4.14 \u4ee5\u4e0a\u624d\u6709\u8f83\u4e3a\u6210\u719f\u7684\u652f\u6301\u3002\u4f46\u662f\u7ebf\u4e0a\u4f9d\u7136\u5b58\u5728\u5f88\u591a\u8001\u7684\u5185\u6838\u7248\u672c\uff0c\u8fd9\u90e8\u5206\u9700\u8981\u4f7f\u7528 sysdig \u8fdb\u884c\u652f\u6301\u3002\u9ad8\u7248\u672c\u5728 core \u4e0d\u6210\u719f\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528\u52a8\u6001\u4e0b\u8f7d\u5185\u6838\u56fe\u6587\u4ef6\u4ee5\u53ca\u52a8\u6001\u7f16\u8bd1\u7684\u65b9\u5f0f\u8fdb\u884c\u652f\u6301\u3002\u00a0\u7b2c\u4e8c\uff0c\u5185\u6838\u4e8b\u4ef6\u7206\u70b8\u3002\u4f20\u7edf\u7684\u76d1\u542c Tracepoints\u3001Kprobre \u4f1a\u4ea7\u751f\u5de8\u5927\u7684\u4e8b\u4ef6\uff0c\u7ed9\u63a2\u9488\u7684\u6027\u80fd\u9020\u6210\u5de8\u5927\u538b\u529b\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u5f15\u5165\u4e86\u4e8b\u4ef6\u8fc7\u6ee4\u673a\u5236\uff0c\u53ea\u5904\u7406\u7f51\u7edc\u8c03\u7528\u4e8b\u4ef6\uff0c\u540c\u65f6\u4f18\u5316\u4e8b\u4ef6\u4f20\u8f93\u5e8f\u5217\u5316\uff0c\u8fbe\u5230\u9ad8\u6027\u80fd\u4e8b\u4ef6\u4f20\u8f93\u7684\u76ee\u7684\u3002\u00a0\u7b2c\u4e09\uff0c\u5728\u4e8b\u4ef6\u7684\u6d88\u8d39\u4fa7\uff0c\u534f\u8bae\u89e3\u6790\u6548\u7387\u4f4e\u4e0b\u3002\u4e3a\u6b64\u6211\u4eec\u4f18\u5316\u4e86\u9ad8\u6027\u80fd\u89e3\u6790\u7b97\u6cd5\uff0c\u6bd4\u5982\u53ef\u4ee5\u51cf\u5c11\u5206\u6790\u7684\u5b57\u8282\u6570\uff0c\u4f18\u5316\u66f4\u591a\u7684\u5339\u914d\u7b97\u6cd5\u63d0\u5347\u89e3\u6790\u7684\u6548\u7387\u3002\u540c\u65f6\u8fd8\u4f7f\u7528\u4e86\u591a\u7ebf\u7a0b\u5185\u5b58\u590d\u7528\u7b49\u5de5\u7a0b\u624b\u6bb5\u63d0\u5347\u534f\u8bae\u89e3\u6790\u6548\u7387\u3002\u00a0\u7b2c\u56db\uff0c\u6307\u6807\u65f6\u95f4\u7ebf\u7206\u70b8\u3002\u6240\u6709\u4e8b\u4ef6\u6700\u7ec8\u90fd\u4f1a\u805a\u5408\u4e3a\u6307\u6807\u3001\u94fe\u8def\u548c\u65e5\u5fd7\uff0c\u5176\u4e2d\u6307\u6807\u65b9\u9762\u7531\u4e8e\u4e2a\u522b\u7ef4\u5ea6\u53d1\u6563\uff0c\u4f1a\u5bf9\u5b58\u50a8\u7684\u7a33\u5b9a\u6027\u9020\u6210\u6781\u5927\u7684\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u652f\u6301\u5728\u5199\u6307\u6807\u7684\u65f6\u5019\u8fdb\u884c\u7ef4\u5ea6\u6536\u655b\uff0c\u6bd4\u5982\u6bcf\u4e2a\u7ef4\u5ea6\u7684\u57fa\u6570\u4e0d\u5f97\u8d85\u8fc7 100\uff0c\u8d85\u8fc7\u540e\u5c06\u6536\u655b\u6210\u661f\u53f7\uff0c\u4ee3\u8868\u901a\u7528\u7684\u6536\u655b\u6807\u8bb0\u3002\u6b64\u5916\uff0c\u8fd8\u5728\u67e5\u8be2\u4fa7\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u4e3b\u8981\u505a\u4e86\u7cbe\u5ea6\u7684\u964d\u7ea7\u3002\u00a0\u7edf\u4e00\u53ef\u89c2\u6d4b\u4ea4\u4e92\u754c\u9762\u00a0\u7edf\u4e00\u544a\u8b66\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435301\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0eBPF \u6280\u672f\u7684\u65e0\u4fb5\u5165\u6027\u4ee5\u53ca\u591a\u8bed\u8a00\u652f\u6301\u7684\u7279\u6027\u4f7f\u5f97\u5f00\u7bb1\u5373\u7528\u6210\u4e3a\u4e86\u53ef\u80fd\u3002\u57fa\u4e8e\u6b64\uff0c\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u5f00\u59cb\u6784\u5efa\u7edf\u4e00\u53ef\u89c2\u6d4b\u754c\u9762\u3002\u00a0\u9996\u5148\u662f\u7edf\u4e00\u544a\u8b66\u3002\u63a5\u5165\u963f\u91cc\u4e91 eBPF \u76d1\u63a7\uff0c\u6211\u4eec\u8bbe\u8ba1\u4e86\u4e00\u5957\u9ed8\u8ba4\u7684\u544a\u8b66\u6a21\u677f\uff0c\u6db5\u76d6\u4e86\u5e94\u7528\u5c42\u3001 K8s \u7ba1\u63a7\u5c42\u3001\u57fa\u7840\u8bbe\u65bd\u5c42\u548c\u4e91\u670d\u52a1\u5c42\uff0c\u63d0\u4f9b\u4e86\u5f00\u7bb1\u5373\u7528\u7684\u5e2e\u52a9\u7528\u6237\u53d1\u73b0\u95ee\u9898\u7684\u80fd\u529b\u3002\u00a0\u7edf\u4e00\u7684\u5173\u8054\u5206\u6790\u903b\u8f91\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435302\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u6709\u4e86 eBPF \u4fdd\u5b58\u73b0\u573a\u6570\u636e\uff0c\u52a0\u4e0a\u544a\u8b66\u7cfb\u7edf\u544a\u77e5\u5b58\u5728\u95ee\u9898\uff0c\u540e\u7eed\u5e94\u5982\u4f55\u7edf\u4e00\u8fdb\u884c\u5173\u8054\u5206\u6790\uff0c\u627e\u5230\u6839\u56e0\uff1f\u00a0\u6211\u4eec\u8ba4\u4e3a\u9700\u8981\u6709\u4e00\u4e2a\u754c\u9762\u6765\u627f\u8f7d\u5173\u8054\u5206\u6790\u903b\u8f91\u3002\u5b83\u5e94\u5f53\u76ee\u6807\u660e\u786e\uff0c\u6bd4\u5982\u8981\u89e3\u51b3\u5bb9\u91cf\u89c4\u5212\u95ee\u9898\u3001\u6210\u672c\u6d88\u8017\u95ee\u9898\u8fd8\u662f\u5e94\u7528\u6027\u80fd\u95ee\u9898\uff1b\u5b83\u5e94\u5f53\u5185\u5bb9\u4e30\u5bcc\uff0c\u5305\u542b\u89e3\u51b3\u95ee\u9898\u9700\u8981\u7684\u6240\u6709\u5185\u5bb9\uff0c\u6bd4\u5982\u6307\u6807\u3001\u94fe\u8def\u3001\u65e5\u5fd7\u3001\u4e8b\u4ef6\u3001\u95ee\u9898\u7684\u5f71\u54cd\u9762\u3001\u5173\u8054\u5173\u7cfb\u7b49\uff1b\u5b83\u5e94\u5f53\u5177\u5907\u975e\u5e38\u6e05\u6670\u7684\u4f7f\u7528\u8def\u5f84\uff0c\u80fd\u591f\u56de\u7b54\u5f53\u524d\u662f\u5426\u6709\u95ee\u9898\uff0c\u672a\u6765\u662f\u5426\u6709\u95ee\u9898\u3001\u95ee\u9898\u7684\u5f71\u54cd\u662f\u4ec0\u4e48\u3001\u95ee\u9898\u7684\u6839\u56e0\u662f\u4ec0\u4e48\u3001\u7528\u6237\u80fd\u505a\u4ec0\u4e48\u7b49\uff0c\u4ee5\u6b64\u4e00\u6b65\u6b65\u5f15\u5bfc\u7528\u6237\u89e3\u51b3\u95ee\u9898\u3002\u00a0\u7edf\u4e00 Grafana \u5927\u76d8\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435303\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u57fa\u4e8e\u4ee5\u4e0a\u8bbe\u60f3\uff0c\u6211\u4eec\u63a8\u51fa\u4e86\u7edf\u4e00\u7684 Grafana \u5927\u76d8\u3002\u5b83\u7b26\u5408\u5173\u8054\u5206\u6790\u903b\u8f91\uff0c\u65e0\u8bba\u662f\u5168\u5c40\u8fd8\u662f\u7279\u5b9a\u5b9e\u4f53\u90fd\u6709\u603b\u89c8\uff0c\u80fd\u591f\u53d1\u73b0\u95ee\u9898\u7ec6\u8282\uff0c\u80fd\u591f\u6392\u67e5\u95ee\u9898\uff1b\u5b83\u5305\u542b\u65e5\u5fd7\u3001\u4e8b\u4ef6\u3001\u6307\u6807\u7b49\u591a\u6570\u636e\u6e90\uff0c\u4ee5\u544a\u8b66\u5f02\u5e38\u9608\u503c\u4e3a\u9a71\u52a8\uff0c\u6574\u4e2a\u5927\u76d8\u53ef\u4ee5\u4ea4\u4e92\u3001\u70b9\u51fb\u8df3\u8f6c\uff0c\u53ef\u4ee5\u5b9a\u4f4d\u6839\u56e0\uff0c\u6db5\u76d6\u4e86 K8s \u96c6\u7fa4\u6700\u6838\u5fc3\u7684\u8d44\u6e90\u7c7b\u578b\u3002\u00a0\u7edf\u4e00\u62d3\u6251\u56fe\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435304\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u6211\u4eec\u4e5f\u63a8\u51fa\u4e86\u7edf\u4e00\u7684\u62d3\u6251\u5927\u56fe\uff0c\u5b83\u5177\u5907\u62d3\u6251\u611f\u77e5\u3001\u4f9d\u8d56\u5206\u6790\u3001\u6d41\u91cf\u76d1\u63a7\u3001\u4e0a\u4e0b\u6587\u5173\u8054\u7b49\u7279\u6027\uff0c\u53ef\u4ee5\u6309\u7ef4\u5ea6\u7b5b\u9009\u8282\u70b9\u548c\u8fb9\uff0c\u6784\u5efa\u4e1a\u52a1\u8bed\u4e49\u5316\u7684\u89c6\u56fe\u3002\u00a0Demo \u6f14\u793a\uff1a\u57fa\u4e8e eBPF \u7684\u7edf\u4e00\u4ea4\u4e92\u9875\u9762\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435305\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u5728\u5bb9\u5668\u670d\u52a1 ACK \u8fdb\u5165\u4e00\u4e2a\u96c6\u7fa4\u540e\uff0c\u70b9\u51fb\u8fd0\u7ef4\u7ba1\u7406\uff0c\u8fdb\u5165\u96c6\u7fa4\u62d3\u6251\u529f\u80fd\u9875\u9762\u3002\u5982\u679c\u6ca1\u6709\u5b89\u88c5 eBPF \u63a2\u9488\u5219\u4f1a\u63d0\u793a\u5b89\u88c5\uff0c\u5b89\u88c5\u5b8c\u6210\u540e\u5f00\u7bb1\u5373\u7528\uff0c\u53ef\u4ee5\u83b7\u5f97\u6574\u4e2a\u96c6\u7fa4\u7684\u6d41\u91cf\u62d3\u6251\u3002\u00a0\u9875\u9762\u5305\u542b\u4e86 deployment\u3001deamonset\u3001\u548c statfulset 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\u8bed\u53e5\u4ee5\u53ca\u7f51\u7edc\u8017\u65f6\uff0c\u6bd4\u5982\u8bf7\u6c42\u53d1\u5230\u5bf9\u7aef\u7528\u4e86\u591a\u4e45\u3001\u5bf9\u7aef\u5904\u7406\u7528\u4e86\u591a\u4e45\u3001\u54cd\u5e94\u7684\u5185\u5bb9\u4e0b\u8f7d\u8017\u65f6\u591a\u4e45\u7b49\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002\u540c\u65f6\u8fd8\u63d0\u4f9b\u4e86\u8282\u70b9\u8fc7\u6ee4\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u5feb\u901f\u8fc7\u6ee4\u51fa\u7528\u6237\u611f\u5174\u8da3\u7684\u8282\u70b9\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u641c\u7d22\u5bf9\u5e94\u7684\u8282\u70b9\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435307\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0Grafana \u7edf\u4e00\u7684\u5927\u76d8\u4e3a 1+N \u7684\u6a21\u5f0f\u30021\u662f\u6307\u96c6\u7fa4\u7684\u5168\u5c40\u5927\u76d8\u63d0\u4f9b\u4e86\u6574\u4e2a\u96c6\u7fa4\u6700\u6838\u5fc3\u7684\u8d44\u6e90\u603b\u89c8\uff0c\u5305\u542b\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u5404\u7c7b\u4e8b\u4ef6\u7684\u4e2a\u6570\u53ca\u8be6\u60c5\uff0c\u53ef\u4ee5\u67e5\u770b\u8282\u70b9\u662f\u5426\u5065\u5eb7\u3001\u65e0\u72b6\u6001\u5e94\u7528 deployment \u662f\u5426\u5065\u5eb7\u4ee5\u53ca\u6709\u72b6\u6001\u5e94\u7528\u3001deamonset \u7b49\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435308\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u6bcf\u4e00\u4e2a\u7279\u5b9a\u8d44\u6e90\u603b\u89c8\u7684\u7ed3\u6784\u4e5f\u662f\u4e00\u81f4\u7684\uff0c\u5305\u542b\u201c\u603b\u201d\u548c\u201c\u5206\u201d\u3002\u201c\u603b\u201d\u662f\u5bf9\u6574\u4e2a\u96c6\u7fa4\u8fdb\u884c\u6982\u62ec\u7684\u603b\u7ed3\uff0c\u53ef\u4ee5\u5feb\u901f\u901a\u8fc7\u9608\u503c\u786e\u8ba4\u662f\u5426\u6709\u95ee\u9898\uff0c\u6709\u95ee\u9898\u7684\u9608\u503c\u4f1a\u7528\u9c9c\u8273\u7684\u989c\u8272\u6807\u51fa\u3002\u6bd4\u5982\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\u6709 1 \u4e2a\u8282\u70b9\u7684 CPU \u8bf7\u6c42\u7387\u8fc7\u9ad8\uff0c\u800c\u5177\u4f53\u54ea\u4e00\u4e2a\u8282\u70b9\u7684\u8bf7\u6c42\u7387\u8fc7\u9ad8\uff0c\u5219\u7531\u201c\u5206\u201d\u8d1f\u8d23\u67e5\u627e\uff0c\u901a\u8fc7\u8bf7\u6c42\u7387\u6392\u5e8f\uff0c\u5feb\u901f\u627e\u5230\u95ee\u9898\u8282\u70b9\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435309\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u4e0a\u56fe\u663e\u793a\u96c6\u7fa4\u7ea7\u522b\u6709\u4e24\u4e2a Pod \u4e0d\u662f ready \u72b6\u6001\u3002\u901a\u8fc7\u5bf9 phase \u8fdb\u884c\u6392\u5e8f\u5feb\u901f\u83b7\u53d6\u4e24\u4e2a\u5904\u4e8e pending \u72b6\u6001\u7684 Pod\u3002\u4e5f\u53ef\u4ee5\u770b\u5230\u6709 15 \u4e2a Pod \u5728\u8fc7\u53bb 24 \u5c0f\u65f6\u5b58\u5728\u91cd\u542f\u884c\u4e3a\uff0c\u8fdb\u884c\u6392\u5e8f\u540e\u5373\u53ef\u5feb\u901f\u627e\u5230\u8fd9\u4e9b Pod\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435310\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u53ef\u4ee5\u70b9\u51fb\u5177\u4f53\u8282\u70b9\uff0c\u67e5\u770b\u5176 CPU \u8bf7\u6c42\u7387\u7684 top 10 \uff0c\u70b9\u51fb\u67e5\u770b\u8be6\u60c5\u540e\u53ef\u5728\u7cfb\u7edf\u8d44\u6e90\u91cc\u8fdb\u884c\u67e5\u770b\uff0c\u4ee5\u5224\u65ad\u8bf7\u6c42\u91cf\u662f\u5426\u5408\u7406\uff0c\u5e76\u8fdb\u884c\u4fee\u6b63\u3002\u00a0\u7531\u6b64\u53ef\u89c1\uff0cGrafana \u5927\u76d8\u5177\u5907\u5f88\u5f3a\u7684\u4ea4\u4e92\u80fd\u529b\u548c\u903b\u8f91\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435311\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u524d\u7aef\u5e94\u7528\u7684\u6bcf\u4e00\u4e2a deployment \u6216\u8d44\u6e90\u8be6\u60c5\u9875\u4e5f\u5177\u5907\u6392\u67e5\u903b\u8f91\u3002\u6982\u89c8\u4e2d\u5c55\u793a\u4e86\u7ba1\u63a7\u5c42\u3001CPU\u3001\u7f51\u7edc\u3001\u5185\u5b58\u7b49\u60c5\u51b5\uff0c\u4e00\u773c\u4fbf\u80fd\u77e5\u6653\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u95ee\u9898\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u95ee\u9898\u6240\u5728\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435312\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u4e0e\u6b64\u540c\u65f6\uff0c\u5927\u76d8\u8fd8\u96c6\u6210\u4e86\u65e5\u5fd7\u4ee5\u53ca 7 \u5c42\u7684\u5e94\u7528\u6027\u3002\u00a0\u4ee5\u4e0a\u80fd\u529b\u5168\u90e8\u662f\u57fa\u4e8e eBPF \u7684\u65e0\u4fb5\u5165\u6027\u63d0\u4f9b\u7684\u5f00\u7bb1\u5373\u7528\u7684\u80fd\u529b\u3002\u00a0\u603b\u7ed3\u4e0e\u5c55\u671b\u00a0\u603b\u7ed3\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435313\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u6784\u5efa\u4e86 kubernetes \u7edf\u4e00\u76d1\u63a7\uff0c\u65e0\u4fb5\u5165\u5f0f\u5730\u63d0\u4f9b\u591a\u8bed\u8a00\u3001\u5e94\u7528\u6027\u80fd\u9ec4\u91d1\u6307\u6807\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u7ed3\u5408 Kubernetes \u7ba1\u63a7\u5c42\u4e0e\u7f51\u7edc\u7cfb\u7edf\u5c42\u76d1\u63a7\uff0c\u63d0\u4f9b\u5168\u6808\u4e00\u4f53\u5f0f\u7684\u53ef\u89c2\u6d4b\u4f53\u9a8c\u3002\u901a\u8fc7\u6d41\u91cf\u62d3\u6251\u3001\u94fe\u8def\u3001\u8d44\u6e90\u7684\u5173\u7cfb\uff0c\u53ef\u8fdb\u884c\u5173\u8054\u5206\u6790\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u5728 Kubernetes \u73af\u5883\u4e0b\u6392\u67e5\u95ee\u9898\u7684\u6548\u7387\u3002\u00a0\u5c55\u671b\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435314\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u672a\u6765\uff0c\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u5c06\u8fdb\u4e00\u6b65\u6316\u6398 eBPF \u5168\u8986\u76d6\u3001\u65e0\u4fb5\u5165\u3001\u53ef\u7f16\u7a0b\u7684\u7279\u6027\uff0c\u5728\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\u6301\u7eed\u53d1\u529b\uff1a\u00a0\u7b2c\u4e00\uff0c\u53ef\u6269\u5c55 APM\uff0c\u7b80\u79f0 eAPM\u3002\u56f4\u7ed5 APM \u4e0d\u65ad\u6269\u5c55\u8fb9\u754c\uff0c\u89e3\u51b3\u5176\u4fb5\u5165\u6bcf\u79cd\u8bed\u8a00\u90fd\u9700\u8981\u5355\u72ec\u57cb\u70b9\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u5728\u5e94\u7528\u5c42\u9762\u770b\u4e0d\u5230\u7684\u5e95\u5c42\u9ed1\u76d2\u95ee\u9898\uff0c\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\u00a01. \u65e0\u4fb5\u5165\u5f0f\u7684\u591a\u8bed\u8a00\u6027\u80fd\u76d1\u63a7\u3002\u00a02. \u65e0\u4fb5\u5165\u5f0f\u7684\u5206\u5e03\u5f0f\u94fe\u8def\u8ffd\u8e2a\u3002\u00a03. \u5e94\u7528\u8bf7\u6c42\u7c92\u5ea6\u7684\u7cfb\u7edf\u4e0e\u7f51\u7edc\u5206\u6790\u3002\u00a0\u7b2c\u4e8c\uff0c\u63d0\u4f9b\u5de5\u5177\uff0c\u9488\u5bf9\u5305\u62ec tracing\u3001profiling\u3001\u52a8\u6001\u7f51\u7edc\u5305\u8ddf\u8e2a\u4ee5\u53ca\u5185\u6838\u4e8b\u4ef6\u5728\u7528\u6237\u6001\u8fdb\u884c\u5904\u7406\u7684\u5f00\u53d1\u6846\u67b6\u8fdb\u884c\u4f18\u5316\u3002\u00a0\u7b2c\u4e09\uff0c \u5b9e\u73b0 eBPF \u589e\u5f3a\u7684\u5185\u7f6e\u6307\u6807\u3001\u94fe\u8def\u548c\u65e5\u5fd7\uff0c\u4e3b\u8981\u5305\u62ec\u5bf9\u5e94\u7528\u534f\u8bae\u66f4\u591a\u7684\u652f\u6301\u4ee5\u53ca\u9ad8\u9636\u7684\u7cfb\u7edf\u6307\u6807\u548c\u7f51\u7edc\u6307\u6807\u3002\u00a0<br \/><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042435315\" alt=\"\u56fe\u7247\" title=\"\u56fe\u7247\" loading=\"lazy\"><br \/>\u00a0\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=j%2FfTiXLqlqfsqnpdhlay9w%3D%3D.PFTGtzU3w0s70%2BKLEs6XSqpAuX1pfMa4IpTyqH%2Fng0sxTZqN9wSy9ejtca%2F%2BIhEQ\" rel=\"nofollow\">https:\/\/click.aliyun.com\/m\/10&#8230;<\/a>\u672c\u6587\u4e3a\u963f\u91cc\u4e91\u539f\u521b\u5185\u5bb9\uff0c\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042435293\">https:\/\/segmentfault.com\/a\/1190000042435293<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb\uff1a\u00a0\u963f\u91cc\u4e91\u53ef\u89c2\u6d4b\u56e2\u961f\u6784\u5efa\u4e86 kubernetes \u7edf\u4e00\u76d1\u63a7\uff0c\u65e0\u4fb5\u5165\u5f0f\u5730\u63d0\u4f9b\u591a\u8bed\u8a00\u3001\u5e94\u7528\u6027\u80fd\u9ec4\u91d1\u6307\u6807\uff0c\u652f\u6301\u591a [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006407","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006407"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006407\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}