{"id":2556,"date":"2024-03-04T19:51:09","date_gmt":"2024-03-04T11:51:09","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=2556"},"modified":"2024-03-04T19:51:09","modified_gmt":"2024-03-04T11:51:09","slug":"%e5%bc%80%e5%90%af-ebpf-%e5%8f%af%e8%a7%82%e6%b5%8b%e6%80%a7%e4%b9%8b%e5%89%8d%e4%bd%a0%e9%9c%80%e8%a6%81%e4%ba%86%e8%a7%a3%e7%9a%84%e9%82%a3%e4%ba%9b%e4%ba%8b","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/2556.html","title":{"rendered":"\u5f00\u542f eBPF \u53ef\u89c2\u6d4b\u6027\u4e4b\u524d\u4f60\u9700\u8981\u4e86\u89e3\u7684\u90a3\u4e9b\u4e8b"},"content":{"rendered":"\n\t\t\t\t<![CDATA[\n<p>DeepFlow \u5f00\u6e90\u4ee5\u6765\uff0c\u793e\u533a\u53cd\u9988\u6d3b\u8dc3\uff0ceBPF \u76f8\u5173\u95ee\u9898\u4e3b\u8981\u96c6\u4e2d\u4e8e\u5b89\u5168\u3001\u6027\u80fd\u5f71\u54cd\u3001\u5185\u6838\u9002\u914d\u7b49\u65b9\u9762\u3002\u672c\u6b21\u8bae\u9898\u5206\u4eab DeepFlow \u5728\u843d\u5730 eBPF \u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u548c\u89e3\u51b3\u529e\u6cd5\uff1b\u4ecb\u7ecd DeepFlow \u9488\u5bf9 eBPF\u6027\u80fd\u5f00\u9500\u95ee\u9898\u7684\u6301\u7eed\u6d4b\u8bd5\u673a\u5236\u3001\u6d4b\u8bd5\u6570\u636e\u3001\u4ee5\u53ca\u6240\u505a\u7684\u4f18\u5316\uff1b\u5e76\u5206\u4eab DeepFlow \u843d\u5730 eBPF \u8fc7\u7a0b\u4e2d\u8e29\u8fc7\u7684\u4e00\u4e9b\u5751\u3002<br \/> CORE &#8211; \u6d45\u6790 BPF \u7a0b\u5e8f\u7684\u53ef\u79fb\u690d\u6027\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<br \/> BPF \u7a0b\u5e8f\u7684\u53ef\u79fb\u690d\u6027\u610f\u5473\u7740\u4ec0\u4e48\uff1f\u4ec0\u4e48\u662f BPF CO-RE \uff1f\u6211\u4eec\u5c06\u4e86\u89e3\u7f16\u5199\u53ef\u4ee5\u8de8\u591a\u4e2a\u5185\u6838\u7248\u672c\u5de5\u4f5c\u7684 BPF \u7a0b\u5e8f\u7684\u6311\u6218\u662f\u4ec0\u4e48\uff0c\u4ee5\u53ca BPF CO-RE 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\/> \u6211\u672c\u4eba\u5e76\u6ca1\u6709 CentOS 7 \u7684\u5b9e\u8df5\u7ecf\u9a8c\uff0c\u5728 BCC \u793e\u533a\uff0c\u90e8\u5206\u7528\u6237\u53cd\u9988\u8fc7\u53ef\u4ee5\u4f7f\u7528 BCC \u5de5\u5177\uff08\u8fd9\u53ef\u80fd\u4e5f\u9700\u8981\u5347\u7ea7\u5185\u6838\uff09<br \/> Q1\uff5ceBPF Agent \u6027\u80fd\u5360\u7528\u600e\u4e48\u6837\uff0cDeepFlow \u6709\u538b\u6d4b\u6570\u636e\u5417\uff1f<br \/> A\uff1a\u6211\u4eec\u901a\u8fc7\u81ea\u52a8\u5316\u6d4b\u8bd5\u8ddf\u8e2a DeepFlow \u8fed\u4ee3\u8fc7\u7a0b\u4e2d\u7684\u6027\u80fd\u5f71\u54cd\u53d8\u5316\uff0c\u5e76\u516c\u5f00\u4e86\u7ed3\u679c<br \/> https:\/\/ce-demo.deepflow.yunshan.net\/d\/ydfUoKB4z\/agent-performance-analysis<br \/> \u76ee\u524d deepflow-agent \u6027\u80fd\u5360\u7528\u4e3b\u8981\u6765\u81ea\u4e8e\u539f\u59cb\u5e94\u7528\u6570\u636e\u7684\u91c7\u96c6\u3001\u5e94\u7528\u534f\u8bae\u7684\u89e3\u6790\uff0c\u5176\u4e2d eBPF uprobe \u7684\u6027\u80fd\u6d88\u8017\u4f1a\u76f8\u5bf9\u8f83\u9ad8\u3002DeepFlow 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\u6570\u636e\uff0c\u4e5f\u6709\u5f00\u5173\u53ef\u5355\u72ec\u5173\u6389\u3002<br \/> Q3\uff5c\u5927\u538b\u529b\u4f1a\u4e0d\u4f1a\u53cd\u800c\u9020\u6210\u8fc7\u8f7d\uff1f<br \/> A\uff1aPPT \u4e2d\u7684\u6570\u636e\u53ef\u4ee5\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\uff0c\u5ef6\u8fdf\u663e\u8457\u589e\u957f\u5747\u662f\u53d1\u751f\u5728 CPU \u8d44\u6e90\u6fd2\u4e34\u8017\u5c3d\u7684\u65f6\u5019\uff0c\u5728CPU \u8d44\u6e90\u8db3\u591f\u65f6\uff0c\u5f15\u5165\u7684\u5f00\u9500\u589e\u957f\u8fd8\u662f\u5f88\u7a33\u5b9a\u7684\u3001\u53ef\u9884\u671f\u7684\u3002\u8d44\u6e90\u5f00\u9500\u548c\u53ef\u89c2\u6d4b\u6027\u9700\u8981\u5728\u5b9e\u9645\u843d\u5730\u4e2d\u505a\u597d\u53d6\u820d\uff0c\u5e76\u5bf9\u8d44\u6e90\u6d88\u8017\u505a\u597d\u76d1\u63a7\u3002<br \/> Q4\uff5c\u5982\u679c\u8981\u8fd8\u539f\u62a5\u6587\u5185\u5bb9\uff0c\u8fd9\u4e2a\u4ece\u5185\u6838\u6001\u5230\u7528\u6237\u6001\u7684\u4f20\u9012\uff0c\u6709\u6ca1\u6709\u6bd4\u8f83\u597d\u7684\u89e3\u51b3\u529e\u6cd5\uff1f<br \/> A\uff1aDeepFlow \u4f01\u4e1a\u7248\u652f\u6301\u5b58\u50a8\u539f\u59cb\u62a5\u6587\u5185\u5bb9\uff0c\u5e76\u4e0b\u8f7d\u4e3a PCAP \u6587\u4ef6\u3002\u76ee\u524d\u793e\u533a\u7248\u6ca1\u6709\u5f00\u653e\u6b64\u80fd\u529b\u3002<br \/> Q5\uff5c Java\u3001Erlang \u7b49\u5e26\u865a\u62df\u673a\u8bed\u8a00\u7684 SSL \u600e\u4e48\u89e3\u51b3\uff1f<br \/> A\uff1a\u5982\u679c\u5e94\u7528\u4f7f\u7528\u4e86 openssl \u5e93\u662f\u53ef\u4ee5\u652f\u6301\u7684\u3002\u4f46\u5982\u679c\u5e94\u7528\u4f7f\u7528\u7684\u662f\u8bed\u8a00\u81ea\u5df1\u7684 SSL \u5e93\uff0c\u76ee\u524d eBPF \u6ca1\u6709\u5f88\u597d\u7684\u529e\u6cd5\u6765\u91c7\u96c6\u660e\u6587\u6570\u636e\u3002<\/p>\n]]>\t\t","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t<![CDATA[]]>\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-2556","post","type-post","status-publish","format-standard","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/2556","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=2556"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/2556\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=2556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=2556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=2556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}