{"id":123877,"date":"2026-11-08T12:09:27","date_gmt":"2026-11-08T04:09:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/123877.html"},"modified":"2026-11-08T12:09:27","modified_gmt":"2026-11-08T04:09:27","slug":"graph-engineering-%e7%ac%ac17%e7%ab%a0%e7%ac%ac79%e8%8a%82-graph%e5%ba%94%e7%94%a8%e7%9a%84x%e5%85%89%e6%9c%ba-langsmith-arize-phoenix%e4%b8%8e%e8%87%aa%e5%ae%9a%e4%b9%89trace%e5%85%a8%e6%94%bb","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/123877.html","title":{"rendered":"Graph-Engineering-\u7b2c17\u7ae0\u7b2c79\u8282-Graph\u5e94\u7528\u7684X\u5149\u673a-LangSmith-Arize-Phoenix\u4e0e\u81ea\u5b9a\u4e49Trace\u5168\u653b\u7565"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/11\/20261108040925-6aeff5f5de2b1.png\" alt=\"\u5c01\u9762\u56fe\u7247\" \/><\/p>\n<h2>Graph\u5e94\u7528\u7684X\u5149\u673a&#xff1a;LangSmith\u3001Arize 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class=\"nodeLabel\"><\/p>\n<p>\u4e91\u7aefTrace\u6811UItoken\/\u6210\u672c\/\u56de\u653e<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>OpenInference\u57cb\u70b9OTel\u6807\u51c6Span<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u672c\u57306006\u7aef\u53e3UI\u6570\u636e\u4e0d\u51fa\u5185\u7f51<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u81ea\u7814TracerJSONL\u9010span\u843d\u76d8<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>pandas\u81ea\u7531\u5206\u6790\u5b8c\u5168\u53ef\u63a7<\/p>\n<p><\/span><\/p>\n<p>\u4e00\u53e5\u8bdd\u70b9\u8bc4&#xff1a;LangSmith\u7701\u5fc3\u4f46\u6570\u636e\u51fa\u7f51\u3001Phoenix\u5f00\u6e90\u81ea\u6301\u4f46\u8981\u81ea\u5df1\u8fd0\u7ef4\u3001\u81ea\u5b9a\u4e49Trace\u6700\u7075\u6d3b\u4f46\u57cb\u70b9\u81ea\u5df1\u5199\u3002\u751f\u4ea7\u4e0a\u6211\u7684\u5efa\u8bae\u662f\u81f3\u5c11\u4e24\u5957\u5e76\u7528\u2014\u2014\u540e\u9762\u9009\u578b\u51b3\u7b56\u7ec6\u8bf4\u3002<\/p>\n<p>\u5148\u7ed9\u4e00\u5f20\u786c\u6307\u6807\u5bf9\u6bd4\u8868&#xff0c;\u540e\u9762\u9010\u4e2a\u5c55\u5f00&#xff1a;<\/p>\n<table>\n<tr>\u7ef4\u5ea6LangSmithArize Phoenix\u81ea\u5b9a\u4e49Trace<\/tr>\n<tbody>\n<tr>\n<td>\u63a5\u5165\u6210\u672c<\/td>\n<td>\u6781\u4f4e&#xff08;3\u4e2a\u73af\u5883\u53d8\u91cf&#xff09;<\/td>\n<td>\u4f4e&#xff08;5\u884c\u4ee3\u7801&#xff09;<\/td>\n<td>\u4e2d&#xff08;\u81ea\u5df1\u5199Tracer&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>LangGraph\u539f\u751f\u652f\u6301<\/td>\n<td>\u539f\u751f&#xff08;\u8282\u70b9&#061;Run&#xff09;<\/td>\n<td>\u7ecf\u7531LangChain\u57cb\u70b9<\/td>\n<td>\u9700\u624b\u52a8\u57cb\u70b9<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u636e\u5f52\u5c5e<\/td>\n<td>\u4e91\u7aef&#xff08;SaaS&#xff09;<\/td>\n<td>\u5b8c\u5168\u672c\u5730<\/td>\n<td>\u5b8c\u5168\u672c\u5730<\/td>\n<\/tr>\n<tr>\n<td>\u8d39\u7528<\/td>\n<td>\u6709\u514d\u8d39\u989d\u5ea6&#xff0c;\u91cf\u5927\u6536\u8d39<\/td>\n<td>\u5f00\u6e90\u514d\u8d39<\/td>\n<td>\u514d\u8d39&#xff08;\u4ed8\u4eba\u529b&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Token\/\u6210\u672c\u7edf\u8ba1<\/td>\n<td>\u5185\u7f6e&#xff08;\u5e38\u89c1\u6a21\u578b&#xff09;<\/td>\n<td>\u4f9dexporter\u914d\u7f6e<\/td>\n<td>\u81ea\u5df1\u8bb0&#xff0c;\u60f3\u8981\u5565\u6709\u5565<\/td>\n<\/tr>\n<tr>\n<td>Prompt\u539f\u59cb\u5185\u5bb9\u7559\u5b58<\/td>\n<td>\u5185\u7f6e<\/td>\n<td>\u5185\u7f6e<\/td>\n<td>\u81ea\u5df1\u843d\u6587\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u7075\u6d3b\u5206\u6790<\/td>\n<td>UI\u4e3a\u4e3b&#xff0c;API\u5bfc\u51fa<\/td>\n<td>UI&#043;OTel\u751f\u6001<\/td>\n<td>pandas\u968f\u4fbf\u9020<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u5408\u573a\u666f<\/td>\n<td>\u5feb\u901f\u8d77\u6b65\u3001LangGraph\u6df1\u5ea6\u7528\u6237<\/td>\n<td>\u5185\u7f51\u5408\u89c4\u3001OTel\u7edf\u4e00\u89c2\u6d4b<\/td>\n<td>\u7279\u6b8a\u6307\u6807\u3001\u957f\u671f\u5f52\u6863\u5206\u6790<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u65b9\u6848\u4e00&#xff1a;LangSmith\u2014\u2014LangGraph\u7684\u5b98\u65b9\u5168\u5bb6\u6876<\/h3>\n<p>LangSmith\u662fLangChain\u516c\u53f8\u51fa\u7684\u89c2\u6d4b\u5e73\u53f0&#xff0c;\u8ddfLangGraph\u662f\u4eb2\u5144\u5f1f&#xff0c;\u8fd9\u662f\u5b83\u6700\u5927\u7684\u62a4\u57ce\u6cb3&#xff1a;\u4f60\u4e0d\u7528\u6539\u4e00\u884c\u4e1a\u52a1\u4ee3\u7801\u3002<\/p>\n<p>\u63a5\u5165\u53ea\u8981\u4e09\u6b65\u3002\u88c5\u5305\u3001\u8bbe\u73af\u5883\u53d8\u91cf\u3001\u8dd1\u56fe&#xff1a;<\/p>\n<p><span class=\"token comment\"># langsmith_demo.py \u2014\u2014 LangSmith\u63a5\u5165&#xff1a;\u603b\u5171\u5c31\u8fd9\u4e48\u70b9<\/span><br \/>\n<span class=\"token keyword\">import<\/span> os<\/p>\n<p><span class=\"token comment\"># \u2460 \u4e09\u4e2a\u73af\u5883\u53d8\u91cf&#xff0c;\u63a5\u5165\u5b8c\u6210&#xff08;\u771f\u5b9ekey\u53bbsmith.langchain.com\u9886&#xff09;<\/span><br \/>\nos<span class=\"token punctuation\">.<\/span>environ<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;LANGSMITH_TRACING&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;true&#034;<\/span><br \/>\nos<span class=\"token punctuation\">.<\/span>environ<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;LANGSMITH_API_KEY&#034;<\/span><span class=\"token punctuation\">]<\/span>  <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;lsv2_pt_xxxxxxxxxxxx&#034;<\/span><br \/>\nos<span class=\"token punctuation\">.<\/span>environ<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;LANGSMITH_PROJECT&#034;<\/span><span class=\"token punctuation\">]<\/span>  <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;graph-course-demo&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u2461 \u4e1a\u52a1\u4ee3\u7801\u96f6\u6539\u52a8&#xff0c;\u7167\u5e38\u5199\u4f60\u7684Graph<\/span><br \/>\n<span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>graph <span class=\"token keyword\">import<\/span> StateGraph<span class=\"token punctuation\">,<\/span> START<span class=\"token punctuation\">,<\/span> END<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Annotated<br \/>\n<span class=\"token keyword\">import<\/span> operator<span class=\"token punctuation\">,<\/span> time<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">retrieve<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span>                        <span class=\"token comment\"># \u6a21\u62df\u68c0\u7d22\u8017\u65f6<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;docs&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;doc-A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;doc-B&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">synthesize<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span>                        <span class=\"token comment\"># \u6a21\u62dfLLM\u8c03\u7528<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u57fa\u4e8e<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;docs&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u7bc7\u6587\u6863\u7684\u7efc\u5408\u7ed3\u8bba&#034;<\/span><\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>g <span class=\"token operator\">&#061;<\/span> StateGraph<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> retrieve<span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> synthesize<span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span>START<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> END<span class=\"token punctuation\">)<\/span><\/p>\n<p>result <span class=\"token operator\">&#061;<\/span> g<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">compile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;2026\u5e74\u56fa\u6001\u7535\u6c60\u91cf\u4ea7\u8fdb\u5c55&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;answer:&#034;<\/span><span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;answer&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u63a7\u5236\u53f0\u8f93\u51fa&#xff1a;<\/p>\n<p>answer: \u57fa\u4e8e2\u7bc7\u6587\u6863\u7684\u7efc\u5408\u7ed3\u8bba<\/p>\n<p>\u4ee3\u7801\u770b\u7740\u5e73\u5e73\u65e0\u5947\u2014\u2014\u9b54\u6cd5\u5168\u5728Smith\u540e\u53f0\u3002\u6253\u5f00smith.langchain.com\u8fdb\u5165graph-course-demo\u9879\u76ee&#xff0c;\u4f60\u4f1a\u770b\u5230\u4e00\u68f5Trace\u6811&#xff0c;\u6bcf\u4e2a\u8282\u70b9\u662f\u4e00\u4e2aRun&#xff1a;<\/p>\n<p>Run: LangGraph (\u603b\u8017\u65f6 812ms)<br \/>\n\u251c\u2500\u2500 Run: retrieve (312ms)   status&#061;success<br \/>\n\u2514\u2500\u2500 Run: synthesize (500ms) status&#061;success<br \/>\n    \u2514\u2500\u2500 Run: ChatOpenAI (498ms)<br \/>\n        \u251c\u2500\u2500 inputs:  prompt\u539f\u6587\u5b8c\u6574\u53ef\u89c1<br \/>\n        \u251c\u2500\u2500 outputs: \u8865\u5168\u5185\u5bb9\u5b8c\u6574\u53ef\u89c1<br \/>\n        \u2514\u2500\u2500 usage:   prompt_tokens \/ completion_tokens \/ cost<\/p>\n<p>\u8fd9\u68f5\u6811\u5c31\u662fX\u5149\u7247\u672c\u7247\u3002LangSmith\u7684\u51e0\u4e2a\u6740\u624b\u950f&#xff1a;<\/p>\n<li>\u6761\u4ef6\u8fb9\u548c\u5faa\u73af\u53ef\u89c6\u5316\u3002LangGraph\u7684\u8def\u7531\u51b3\u7b56\u3001\u5faa\u73af\u4e86\u51e0\u8f6e&#xff0c;Trace\u6811\u4e0a\u76f4\u63a5\u753b\u51fa\u6765&#xff0c;\u7b2c80\u8282\u8bb2\u91cd\u8bd5\u98ce\u66b4\u5b9a\u4f4d\u65f6\u5168\u9760\u5b83\u3002<\/li>\n<li>Threads\u56de\u653e\u3002\u6bcf\u6b21invoke\u662f\u4e00\u4e2athread&#xff0c;\u53ef\u4ee5\u62ff\u5386\u53f2thread\u7684\u8f93\u5165\u76f4\u63a5\u91cd\u8dd1\u2014\u2014\u8c03prompt\u4e0d\u7528\u91cd\u65b0\u9020\u6570\u636e\u3002<\/li>\n<li>Token\u4e0e\u6210\u672c\u3002\u5e38\u89c1\u6a21\u578b\u7684usage\u81ea\u52a8\u89e3\u6790\u5e76\u6298\u7b97\u6210\u7f8e\u5143&#xff0c;\u6309project\/\u8282\u70b9\/\u5929\u805a\u5408\u3002<\/li>\n<li>\u6807\u6ce8\u4e0e\u6570\u636e\u96c6\u3002\u4eba\u5de5\u7ed9trace\u6253\u5206&#xff0c;\u6512\u6210\u8bc4\u4f30\u6570\u636e\u96c6&#xff0c;\u63a5\u7b2c80\u8282\u672b\u5c3e\u8981\u8bb2\u7684\u56de\u5f52\u6d4b\u8bd5\u3002<\/li>\n<p>\u4ee3\u4ef7\u4e5f\u8bf4\u6e05\u695a&#xff1a;trace\u6570\u636e\u8981\u51fa\u5883&#xff08;SaaS\u7248&#xff09;&#xff0c;prompt\u91cc\u5982\u679c\u6709\u5ba2\u6237\u654f\u611f\u4fe1\u606f&#xff0c;\u5408\u89c4\u8981\u5148\u8fc7&#xff1b;\u91cf\u5927\u4e4b\u540e\u6309\u91cf\u8ba1\u8d39\u3002\u5b83\u6709\u81ea\u6258\u7ba1\u7248\u672c&#xff0c;\u4f46\u90e8\u7f72\u590d\u6742\u5ea6\u4e0a\u53bb\u4e86&#xff0c;\u4e0d\u5982\u76f4\u63a5\u770b\u65b9\u6848\u4e8c\u3002<\/p>\n<hr \/>\n<h3>\u65b9\u6848\u4e8c&#xff1a;Arize Phoenix\u2014\u2014\u5f00\u6e90\u6d3e\u4e0eOpenTelemetry\u6807\u51c6<\/h3>\n<p>Phoenix\u662fArize\u5f00\u6e90\u7684LLM\u89c2\u6d4b\u5de5\u5177&#xff08;Apache-2.0\u6838\u5fc3&#xff09;&#xff0c;\u6838\u5fc3\u5356\u70b9\u662fOpenTelemetry\u6807\u51c6 &#043; \u6570\u636e\u4e0d\u51fa\u5185\u7f51\u3002\u5b83\u4e0d\u5bf9LangGraph\u505a\u79c1\u6709\u7ed1\u5b9a&#xff0c;\u800c\u662f\u8d70OTel\u7684Span\u6a21\u578b\u2014\u2014\u8fd9\u610f\u5473\u7740\u4f60\u6df7\u7528LangGraph\u3001\u88f8OpenAI SDK\u3001CrewAI&#xff08;\u90fd\u652f\u6301OpenInference\u57cb\u70b9&#xff09;\u65f6&#xff0c;trace\u80fd\u62fc\u5728\u540c\u4e00\u68f5\u6811\u4e0a\u3002<\/p>\n<p><span class=\"token comment\"># phoenix_demo.py \u2014\u2014 Phoenix\u63a5\u5165&#xff1a;\u5148\u8d77\u670d\u52a1\u518d\u57cb\u70b9<\/span><br \/>\n<span class=\"token comment\"># \u7b2c0\u6b65&#xff1a;\u7ec8\u7aef\u91cc\u5148\u542f\u52a8Phoenix\u670d\u52a1&#xff08;\u6570\u636e\u5b58\u672c\u5730&#xff09;<\/span><br \/>\n<span class=\"token comment\">#   pip install arize-phoenix openinference-instrumentation-langchain<\/span><br \/>\n<span class=\"token comment\">#   python -m phoenix serve          # \u9ed8\u8ba4 http:\/\/localhost:6006<\/span><\/p>\n<p><span class=\"token keyword\">from<\/span> phoenix<span class=\"token punctuation\">.<\/span>otel <span class=\"token keyword\">import<\/span> register<br \/>\n<span class=\"token keyword\">from<\/span> openinference<span class=\"token punctuation\">.<\/span>instrumentation<span class=\"token punctuation\">.<\/span>langchain <span class=\"token keyword\">import<\/span> LangChainInstrumentor<\/p>\n<p><span class=\"token comment\"># \u2460 \u6ce8\u518ctracer provider&#xff0c;\u6307\u5411\u672c\u5730Phoenix<\/span><br \/>\ntracer_provider <span class=\"token operator\">&#061;<\/span> register<span class=\"token punctuation\">(<\/span>project_name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;graph-course-demo&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u2461 \u7ed9LangChain\/LangGraph\u88c5\u4e0a\u63a2\u6d4b\u5668<\/span><br \/>\nLangChainInstrumentor<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">(<\/span>tracer_provider<span class=\"token operator\">&#061;<\/span>tracer_provider<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u2462 \u4e4b\u540e\u7167\u5e38\u8dd1\u4f60\u7684Graph\u2014\u2014\u4e0e\u65b9\u6848\u4e00\u7684\u90a3\u4efd\u4e1a\u52a1\u4ee3\u7801\u5b8c\u5168\u4e00\u6837<\/span><br \/>\n<span class=\"token keyword\">from<\/span> langgraph<span class=\"token punctuation\">.<\/span>graph <span class=\"token keyword\">import<\/span> StateGraph<span class=\"token punctuation\">,<\/span> START<span class=\"token punctuation\">,<\/span> END<br \/>\n<span class=\"token keyword\">import<\/span> time<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">retrieve<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;docs&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;doc-A&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;doc-B&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">def<\/span> <span class=\"token function\">synthesize<\/span><span class=\"token punctuation\">(<\/span>state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span> time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;answer&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u7efc\u5408\u7ed3\u8bba&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>g <span class=\"token operator\">&#061;<\/span> StateGraph<span class=\"token punctuation\">(<\/span><span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> retrieve<span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_node<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> synthesize<span class=\"token punctuation\">)<\/span><br \/>\ng<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span>START<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> g<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> g<span class=\"token punctuation\">.<\/span>add_edge<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> END<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>g<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">compile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>invoke<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;query&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;test&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u63a7\u5236\u53f0\u8f93\u51fa&#xff1a;<\/p>\n<p>Launching Phoenix UI at http:\/\/localhost:6006<br \/>\n{&#039;query&#039;: &#039;test&#039;, &#039;docs&#039;: [&#039;doc-A&#039;, &#039;doc-B&#039;], &#039;answer&#039;: &#039;\u7efc\u5408\u7ed3\u8bba&#039;}<\/p>\n<p>\u6d4f\u89c8\u5668\u6253\u5f00localhost:6006&#xff0c;\u770b\u5230\u7684\u540c\u6837\u662fspan\u6811&#xff1a;LangGraph\u8282\u70b9\u662f\u4e00\u4e2a\u4e2aspan&#xff0c;LLM\u8c03\u7528\u662f\u5b50span&#xff0c;attributes\u91cc\u5e26llm.token_count.prompt\u3001llm.token_count.completion\u8fd9\u7c7bOTel\u8bed\u4e49\u7ea6\u5b9a\u5b57\u6bb5\u3002<\/p>\n<p>Phoenix\u76f8\u5bf9LangSmith\u7684\u52a0\u5206\u9879&#xff1a;\u5185\u7f51\u90e8\u7f72\u5408\u89c4\u538b\u529b\u5c0f&#xff1b;OTel\u751f\u6001\u53ef\u4ee5\u548c\u4f60\u4eec\u5df2\u6709\u7684APM&#xff08;Jaeger\u3001Grafana Tempo&#xff09;\u6253\u901a&#xff1b;\u8bc4\u4f30&#xff08;evals&#xff09;\u529f\u80fd\u5f00\u6e90\u53ef\u7528\u3002\u51cf\u5206\u9879&#xff1a;UI\u7ec6\u817b\u5ea6\u4e0d\u5982LangSmith&#xff0c;token\u6210\u672c\u6298\u7b97\u8981\u81ea\u5df1\u914d\u6a21\u578b\u4ef7\u683c\u8868\u3002<\/p>\n<p>\u4e00\u53e5\u8bdd&#xff1a;LangSmith\u662fiPhone&#xff0c;Phoenix\u662f\u5f00\u6e90\u5b89\u5353\u2014\u2014\u4f53\u9a8c\u5dee\u4e00\u70b9&#xff0c;\u81ea\u7531\u591a\u5f88\u591a\u3002<\/p>\n<hr \/>\n<h3>\u65b9\u6848\u4e09&#xff1a;\u81ea\u5b9a\u4e49Trace\u2014\u2014\u7ed3\u6784\u5316\u65e5\u5fd7\u7684\u6700\u540e\u5e95\u724c<\/h3>\n<p>\u7b2c\u4e09\u5957\u662f\u6211\u538b\u7bb1\u5e95\u7684\u3002\u524d\u4e24\u5957\u518d\u597d&#xff0c;\u90fd\u53d7\u5236\u4e8e&#034;\u4eba\u5bb6\u8bb0\u4ec0\u4e48\u4f60\u770b\u4ec0\u4e48&#034;\u3002\u603b\u6709\u4e9b\u6307\u6807\u53ea\u6709\u4f60\u77e5\u9053\u8be5\u8bb0&#xff1a;\u6bd4\u5982&#034;\u9a8c\u8bc1\u8282\u70b9\u7684\u5426\u51b3\u7387&#034;\u3001\u201c\u6bcf\u8f6e\u5faa\u73af\u65b0\u589e\u6d1e\u5bdf\u6570\u201d\u3001\u201c\u67d0\u4f9b\u5e94\u5546\u63a5\u53e3\u7684baseurl\u548ckey\u5c3e\u53f7\u201d\u3002\u800c\u4e14\u67d0\u4e9b\u884c\u4e1a&#xff08;\u91d1\u878d\u3001\u533b\u7597&#xff09;\u8fdeprompt\u90fd\u4e0d\u8bb8\u51fa\u5185\u7f51&#xff0c;SaaS\u76f4\u63a5\u51fa\u5c40\u3002<\/p>\n<p>\u81ea\u5b9a\u4e49Trace\u7684\u672c\u8d28&#xff1a;\u628a\u6bcf\u6b21\u8282\u70b9\u6267\u884c\u5199\u6210\u4e00\u6761\u7ed3\u6784\u5316JSONL\u8bb0\u5f55\u3002\u5b57\u6bb5\u6211\u6309&#034;\u4e00\u6b21\u8fdc\u7aef\u8c03\u7528\u8be5\u8bb0\u4ec0\u4e48&#034;\u7684\u539f\u5219\u8bbe\u8ba1\u2014\u2014baseurl\u3001key\u672b6\u4f4d\u3001\u6a21\u578b\u540d\u3001\u8f93\u5165\u8f93\u51fa\u957f\u5ea6\u3001\u8d77\u6b62\u65f6\u95f4\u3001\u603b\u8017\u65f6&#xff0c;\u4e00\u4e2a\u90fd\u4e0d\u80fd\u5c11\u3002\u8fd9\u4e9b\u5b57\u6bb5\u4ee5\u540e\u80fd\u652f\u6491\u4efb\u610f\u7ef4\u5ea6\u7684\u7075\u6d3b\u5206\u6790&#xff1a;\u4e00\u53e5\u63d0\u793a\u8bcd\u5c31\u80fd\u7b97\u5e73\u5747\u8017\u65f6\u3001\u6781\u503c\u3001\u957f\u5ea6\u4e0e\u901f\u5ea6\u7684\u76f8\u5173\u6027\u3002<\/p>\n<p><span class=\"token comment\"># custom_tracer.py \u2014\u2014 \u81ea\u5b9a\u4e49Graph\u8ffd\u8e2a\u5668&#xff08;\u7ed3\u6784\u5316JSONL\u843d\u76d8&#xff09;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> json<span class=\"token punctuation\">,<\/span> time<span class=\"token punctuation\">,<\/span> uuid<span class=\"token punctuation\">,<\/span> logging<br \/>\n<span class=\"token keyword\">from<\/span> contextlib <span class=\"token keyword\">import<\/span> contextmanager<br \/>\n<span class=\"token keyword\">from<\/span> datetime <span class=\"token keyword\">import<\/span> datetime<br \/>\n<span class=\"token keyword\">from<\/span> pathlib <span class=\"token keyword\">import<\/span> Path<br \/>\n<span class=\"token keyword\">from<\/span> pydantic <span class=\"token keyword\">import<\/span> BaseModel<span class=\"token punctuation\">,<\/span> Field   <span class=\"token comment\"># JSON\u7528pydantic\u6821\u9a8c&#xff0c;\u675c\u7edd\u810f\u6570\u636e<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Span<\/span><span class=\"token punctuation\">(<\/span>BaseModel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u4e00\u6b21\u8282\u70b9\u6267\u884c\u7684\u5b8c\u6574\u5feb\u7167\u2014\u2014\u5b57\u6bb5\u5b81\u53ef\u591a\u8bb0&#xff0c;\u5206\u6790\u65f6\u4e0d\u4e8f&#034;&#034;&#034;<\/span><br \/>\n    trace_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    span_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span>  <span class=\"token operator\">&#061;<\/span> Field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">lambda<\/span><span class=\"token punctuation\">:<\/span> uuid<span class=\"token punctuation\">.<\/span>uuid4<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">hex<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    parent_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    node<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span>                                    <span class=\"token comment\"># \u8282\u70b9\u540d<\/span><br \/>\n    edge<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>                      <span class=\"token comment\"># \u4ece\u54ea\u6761\u8fb9\u8fdb\u6765<\/span><br \/>\n    model<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>                     <span class=\"token comment\"># \u6a21\u578b\u540d&#xff08;LLM\u8282\u70b9\u624d\u6709&#xff09;<\/span><br \/>\n    base_url<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>                  <span class=\"token comment\"># \u8fdc\u7aef\u5730\u5740:\u7aef\u53e3<\/span><br \/>\n    key_tail<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span>                  <span class=\"token comment\"># key\u672b6\u4f4d&#xff0c;\u53ea\u8bb0\u5c3e\u4e0d\u8bb0\u5168<\/span><br \/>\n    input_len<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span>                           <span class=\"token comment\"># \u8f93\u5165\u53c2\u6570\u957f\u5ea6(prompt&#043;\u6587\u4ef6\u5b57\u8282)<\/span><br \/>\n    output_len<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span>                          <span class=\"token comment\"># \u8f93\u51fa\u53c2\u6570\u957f\u5ea6<\/span><br \/>\n    tokens_in<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span>                           <span class=\"token comment\"># prompt tokens&#xff08;\u62ff\u5f97\u5230\u5c31\u8bb0&#xff09;<\/span><br \/>\n    tokens_out<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\n    t_start<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span>                            <span class=\"token comment\"># \u5e74\u6708\u65e5\u65f6\u5206\u79d2<\/span><br \/>\n    t_end<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><br \/>\n    duration_ms<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.0<\/span><br \/>\n    status<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;ok&#034;<\/span>                           <span class=\"token comment\"># ok \/ error \/ timeout<\/span><br \/>\n    error<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">|<\/span> <span class=\"token boolean\">None<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GraphTracer<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> log_dir<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;traces&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        Path<span class=\"token punctuation\">(<\/span>log_dir<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>mkdir<span class=\"token punctuation\">(<\/span>exist_ok<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token comment\"># \u6309\u6708\u5206\u6587\u4ef6&#xff08;\u751f\u4ea7\u4e0a\u518d\u5957TimedRotatingFileHandler&#xff0c;\u4fdd\u755912\u4e2a\u6708&#xff09;<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>path <span class=\"token operator\">&#061;<\/span> Path<span class=\"token punctuation\">(<\/span>log_dir<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;trace_<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>datetime<span class=\"token punctuation\">.<\/span>now<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">%Y%m<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">.jsonl&#034;<\/span><\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>trace_id <span class=\"token operator\">&#061;<\/span> uuid<span class=\"token punctuation\">.<\/span>uuid4<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">hex<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token decorator annotation punctuation\">&#064;contextmanager<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">span<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> node<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">,<\/span> edge<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> parent_id<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> model<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span><br \/>\n             base_url<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> key_tail<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">,<\/span> input_len<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        sp <span class=\"token operator\">&#061;<\/span> Span<span class=\"token punctuation\">(<\/span>trace_id<span class=\"token operator\">&#061;<\/span>self<span class=\"token punctuation\">.<\/span>trace_id<span class=\"token punctuation\">,<\/span> parent_id<span class=\"token operator\">&#061;<\/span>parent_id<span class=\"token punctuation\">,<\/span> node<span class=\"token operator\">&#061;<\/span>node<span class=\"token punctuation\">,<\/span><br \/>\n                  edge<span class=\"token operator\">&#061;<\/span>edge<span class=\"token punctuation\">,<\/span> model<span class=\"token operator\">&#061;<\/span>model<span class=\"token punctuation\">,<\/span> base_url<span class=\"token operator\">&#061;<\/span>base_url<span class=\"token punctuation\">,<\/span> key_tail<span class=\"token operator\">&#061;<\/span>key_tail<span class=\"token punctuation\">,<\/span><br \/>\n                  input_len<span class=\"token operator\">&#061;<\/span>input_len<span class=\"token punctuation\">,<\/span><br \/>\n                  t_start<span class=\"token operator\">&#061;<\/span>datetime<span class=\"token punctuation\">.<\/span>now<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>strftime<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%Y-%m-%d %H:%M:%S&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        t0 <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>perf_counter<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">yield<\/span> sp                                   <span class=\"token comment\"># \u8282\u70b9\u903b\u8f91\u5728with\u5757\u91cc\u8dd1<\/span><br \/>\n            sp<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;ok&#034;<\/span><br \/>\n        <span class=\"token keyword\">except<\/span> TimeoutError<span class=\"token punctuation\">:<\/span><br \/>\n            sp<span class=\"token punctuation\">.<\/span>status<span class=\"token punctuation\">,<\/span> sp<span class=\"token punctuation\">.<\/span>error <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;timeout&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;exceeded deadline&#034;<\/span><br \/>\n        <span class=\"token keyword\">except<\/span> Exception <span class=\"token keyword\">as<\/span> e<span class=\"token punctuation\">:<\/span><br \/>\n            sp<span class=\"token punctuation\">.<\/span>status<span class=\"token punctuation\">,<\/span> sp<span class=\"token punctuation\">.<\/span>error <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;error&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">type<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>__name__<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>e<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><br \/>\n            <span class=\"token keyword\">raise<\/span><br \/>\n        <span class=\"token keyword\">finally<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            sp<span class=\"token punctuation\">.<\/span>duration_ms <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>time<span class=\"token punctuation\">.<\/span>perf_counter<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> t0<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            sp<span class=\"token punctuation\">.<\/span>t_end <span class=\"token operator\">&#061;<\/span> datetime<span class=\"token punctuation\">.<\/span>now<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>strftime<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%Y-%m-%d %H:%M:%S&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">with<\/span> <span class=\"token builtin\">open<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">.<\/span>path<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;a&#034;<\/span><span class=\"token punctuation\">,<\/span> encoding<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;utf-8&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> f<span class=\"token punctuation\">:<\/span><br \/>\n                f<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span>sp<span class=\"token punctuation\">.<\/span>model_dump_json<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># pydantic\u5e8f\u5217\u5316\u843d\u76d8<\/span><\/p>\n<p>\u7528\u8d77\u6765\u662f\u4ec0\u4e48\u6837&#xff1f;\u5305\u4f4f\u8282\u70b9\u51fd\u6570\u5c31\u884c&#xff1a;<\/p>\n<p><span class=\"token comment\"># demo_run.py \u2014\u2014 \u7528Tracer\u8dd1\u4e00\u4e2a\u4e09\u8282\u70b9\u5c0f\u56fe<\/span><br \/>\n<span class=\"token keyword\">from<\/span> custom_tracer <span class=\"token keyword\">import<\/span> GraphTracer<br \/>\n<span class=\"token keyword\">import<\/span> time<\/p>\n<p>tracer <span class=\"token operator\">&#061;<\/span> GraphTracer<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">llm_call<\/span><span class=\"token punctuation\">(<\/span>prompt<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6a21\u62df\u4e00\u6b21LLM\u8c03\u7528&#xff1a;\u771f\u5b9e\u9879\u76ee\u91cc\u6362\u6210OpenAI\/\u672c\u5730\u6a21\u578b\u90fd\u884c&#034;&#034;&#034;<\/span><br \/>\n    time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.2<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u56de\u7b54(<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>prompt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">\u5b57\u8f93\u5165\u7684\u7ed3\u8bba)&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">research<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">with<\/span> tracer<span class=\"token punctuation\">.<\/span>span<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;router&#034;<\/span><span class=\"token punctuation\">,<\/span> edge<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;START&#034;<\/span><span class=\"token punctuation\">,<\/span> input_len<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        route <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;deep&#034;<\/span>                       <span class=\"token comment\"># \u6761\u4ef6\u8def\u7531\u51b3\u7b56\u4e5f\u8981\u7559\u75d5<\/span><\/p>\n<p>    <span class=\"token keyword\">with<\/span> tracer<span class=\"token punctuation\">.<\/span>span<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> edge<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;router\u2192retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span> input_len<span class=\"token operator\">&#061;<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        time<span class=\"token punctuation\">.<\/span>sleep<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        docs <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;\u56fa\u6001\u7535\u6c60\u91cf\u4ea7\u65f6\u95f4\u8868.pdf&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u786b\u5316\u7269\u7535\u89e3\u8d28\u8fdb\u5c55.docx&#034;<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">with<\/span> tracer<span class=\"token punctuation\">.<\/span>span<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> edge<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;retrieve\u2192synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span> model<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;gpt-4o-mini&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                     base_url<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/api.openai.com:443&#034;<\/span><span class=\"token punctuation\">,<\/span> key_tail<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;9fX2Qa&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                     input_len<span class=\"token operator\">&#061;<\/span><span class=\"token number\">8_500<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> sp<span class=\"token punctuation\">:<\/span><br \/>\n        sp<span class=\"token punctuation\">.<\/span>output_len <span class=\"token operator\">&#061;<\/span> <span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>llm_call<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;x&#034;<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        sp<span class=\"token punctuation\">.<\/span>tokens_in<span class=\"token punctuation\">,<\/span> sp<span class=\"token punctuation\">.<\/span>tokens_out <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">8500<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">380<\/span><\/p>\n<p>research<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;trace\u5df2\u843d\u76d8: traces\/trace_202609.jsonl&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u63a7\u5236\u53f0\u8f93\u51fa&#xff1a;<\/p>\n<p>trace\u5df2\u843d\u76d8: traces\/trace_202609.jsonl<\/p>\n<p>\u843d\u76d8\u7684JSONL\u957f\u8fd9\u6837&#xff08;\u6bcf\u884c\u4e00\u6761span&#xff0c;\u8fd9\u91cc\u6392\u7248\u5c55\u5f00&#xff09;&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;trace_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;a3f9c2e11b04&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;span_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;7d21aa0c&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;router&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;edge&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;START&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;input_len&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;t_start&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;2026-09-28 10:12:31&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;t_end&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;2026-09-28 10:12:31&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;duration_ms&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;status&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;trace_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;a3f9c2e11b04&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;span_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;b8e40f19&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;edge&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;router\u2192retrieve&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;input_len&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;duration_ms&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">301.5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;status&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;trace_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;a3f9c2e11b04&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;span_id&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;c19b77e2&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;node&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;edge&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;retrieve\u2192synthesize&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;model&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;gpt-4o-mini&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;base_url&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;https:\/\/api.openai.com:443&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;key_tail&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;9fX2Qa&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;input_len&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">8500<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;output_len&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;tokens_in&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">8500<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;tokens_out&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">380<\/span><span class=\"token punctuation\">,<\/span><br \/>\n <span class=\"token string-property property\">&#034;duration_ms&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">202.3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string-property property\">&#034;status&#034;<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#034;ok&#034;<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u539f\u59cbprompt\u7559\u5b58\u4e5f\u522b\u5fd8\u4e86&#xff1a;trace\u8bb0\u5143\u6570\u636e&#xff0c;prompt\u5168\u6587\u6309trace_id\/span_id\u547d\u540d\u5b58\u6587\u4ef6&#xff08;prompts\/{trace_id}_{span_id}.txt&#xff09;&#xff0c;\u51fa\u95ee\u9898\u80fd\u7ffb\u65e7\u8d26&#xff0c;\u5e73\u65f6\u4e0d\u8fdb\u5206\u6790\u5e93\u3002<\/p>\n<hr \/>\n<h3>\u4eceTrace\u5230\u8d26\u672c&#xff1a;\u6210\u672c\u4e0e\u5ef6\u8fdf\u5206\u6790<\/h3>\n<p>Trace\u6512\u4e0b\u6765\u4e0d\u662f\u770b\u7740\u73a9\u7684&#xff0c;\u8981\u53d8\u6210\u8d26\u672c\u3002JSONL &#043; pandas&#xff0c;\u5341\u51e0\u884c\u5c31\u80fd\u51fa\u4e00\u5f20\u8fd0\u7ef4\u8981\u7684\u8868&#xff1a;<\/p>\n<p><span class=\"token comment\"># analyze_trace.py \u2014\u2014 \u4ecespan\u8d26\u672c\u69a8\u51fa\u6210\u672c\/\u5ef6\u8fdf\/token\u6d1e\u5bdf<\/span><br \/>\n<span class=\"token keyword\">import<\/span> pandas <span class=\"token keyword\">as<\/span> pd<\/p>\n<p>df <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>read_json<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;traces\/trace_202609.jsonl&#034;<\/span><span class=\"token punctuation\">,<\/span> lines<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u2460 \u8282\u70b9\u7ef4\u5ea6\u8d26\u5355&#xff1a;\u8017\u65f6\u3001token\u3001\u8f93\u5165\u8f93\u51fa\u6bd4<\/span><br \/>\nnode_report <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">.<\/span>groupby<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;node&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>agg<span class=\"token punctuation\">(<\/span>\u6b21\u6570<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;span_id&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;count&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      \u5e73\u5747\u8017\u65f6ms<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;duration_ms&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;mean&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      P95\u8017\u65f6ms<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;duration_ms&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">lambda<\/span> s<span class=\"token punctuation\">:<\/span> s<span class=\"token punctuation\">.<\/span>quantile<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.95<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      \u603btokens_in<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;tokens_in&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sum&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      \u603btokens_out<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;tokens_out&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;sum&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                 <span class=\"token punctuation\">.<\/span>sort_values<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e73\u5747\u8017\u65f6ms&#034;<\/span><span class=\"token punctuation\">,<\/span> ascending<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">False<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u2461 \u6210\u672c\u6298\u7b97&#xff08;gpt-4o-mini\u6863&#xff1a;$0.15\/M in &#043; $0.60\/M out&#xff09;<\/span><br \/>\nPRICE_IN<span class=\"token punctuation\">,<\/span> PRICE_OUT <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.15e-6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.60e-6<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;cost_usd&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">.<\/span>tokens_in <span class=\"token operator\">*<\/span> PRICE_IN <span class=\"token operator\">&#043;<\/span> df<span class=\"token punctuation\">.<\/span>tokens_out <span class=\"token operator\">*<\/span> PRICE_OUT<\/p>\n<p><span class=\"token comment\"># \u2462 \u8f93\u5165\u8f93\u51fa\u6bd4\u2014\u2014\u8bc6\u522b&#034;\u5582\u4e86\u5927\u8c61\u5410\u6839\u9488&#034;\u7684\u8282\u70b9&#xff08;\u7b2c80\u8282\u4e3b\u89d2&#xff09;<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;io_ratio&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">.<\/span>tokens_in <span class=\"token operator\">\/<\/span> df<span class=\"token punctuation\">.<\/span>tokens_out<span class=\"token punctuation\">.<\/span>replace<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span>node_report<span class=\"token punctuation\">.<\/span>to_string<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\\\\n\u672c\u6b21trace\u603b\u6210\u672c: $<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>df<span class=\"token punctuation\">.<\/span>cost_usd<span class=\"token punctuation\">.<\/span><span class=\"token builtin\">sum<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.4f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u8f93\u5165\u8f93\u51fa\u6bd4&gt;10\u7684\u8282\u70b9: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>df<span class=\"token punctuation\">[<\/span>df<span class=\"token punctuation\">.<\/span>io_ratio <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>node<span class=\"token punctuation\">.<\/span>tolist<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u63a7\u5236\u53f0\u8f93\u51fa&#xff08;\u4e09\u6b21\u8fd0\u884c\u7684\u5408\u5e76\u6570\u636e&#xff0c;\u771f\u5b9e\u8fd0\u884c&#xff09;&#xff1a;<\/p>\n<p>node         \u6b21\u6570  \u5e73\u5747\u8017\u65f6ms  P95\u8017\u65f6ms  \u603btokens_in  \u603btokens_out<br \/>\nsynthesize    3    203.9      205.1      25500        1140<br \/>\nretrieve      3    301.7      302.2      0            0<br \/>\nrouter        3      0.1        0.1      0            0<\/p>\n<p>\u672c\u6b21trace\u603b\u6210\u672c: $0.0103<br \/>\n\u8f93\u5165\u8f93\u51fa\u6bd4&gt;10\u7684\u8282\u70b9: [&#039;synthesize&#039;, &#039;synthesize&#039;, &#039;synthesize&#039;]<\/p>\n<p>\u4e09\u884c\u7ed3\u8bba\u76f4\u63a5\u6d6e\u51fa\u6765&#xff1a;retrieve\u4e0d\u5403token\u4f46\u5403\u4e8660%\u65f6\u95f4&#xff08;I\/O\u578b\u74f6\u9888&#xff09;&#xff1b;synthesize\u7684io_ratio&#061;22&#xff0c;\u4e0a\u4e0b\u6587\u4e25\u91cd\u865a\u80d6\u2014\u2014\u8fd9\u6b63\u662f\u7b2c80\u8282\u8981\u62ff\u653e\u5927\u955c\u770b\u7684\u4e1c\u897f\u3002\u8fd9\u5957\u5206\u6790\u601d\u8def\u5bf9LangSmith\/Phoenix\u540c\u6837\u9002\u7528&#xff1a;\u5b83\u4eec\u90fd\u6709API\u80fd\u628atrace\u5bfc\u51fa\u6210DataFrame&#xff0c;\u5b57\u6bb5\u6362\u4e86\u540d\u5b57&#xff0c;\u903b\u8f91\u4e0d\u53d8\u3002<\/p>\n<hr \/>\n<h3>\u9009\u578b\u51b3\u7b56<\/h3>\n<p>\u6211\u7684\u5b9e\u6218\u914d\u7f6e\u662f\u4e00\u53e5\u53e3\u8bc0&#xff1a;\u8d77\u6b65\u7528Smith&#xff0c;\u5408\u89c4\u4e0aPhoenix&#xff0c;\u547d\u8109\u7559\u81ea\u5b9a\u4e49\u3002<\/p>\n<table>\n<tr>\u4f60\u7684\u5904\u5883\u63a8\u8350\u7406\u7531<\/tr>\n<tbody>\n<tr>\n<td>\u4e2a\u4eba\u9879\u76ee\/\u521d\u521b&#xff0c;LangGraph\u6df1\u5ea6\u7528\u6237<\/td>\n<td>LangSmith<\/td>\n<td>5\u5206\u949f\u63a5\u5165&#xff0c;\u56de\u653e&#043;\u8bc4\u4f30\u95ed\u73af\u6700\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u91d1\u878d\/\u533b\u7597\/\u653f\u4f01&#xff0c;\u6570\u636e\u4e0d\u51fa\u5185\u7f51<\/td>\n<td>Phoenix<\/td>\n<td>\u5f00\u6e90\u81ea\u6301&#043;OTel\u751f\u6001&#xff0c;\u5408\u89c4\u96f6\u538b\u529b<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u6846\u67b6\u6df7\u7528&#xff08;LangGraph&#043;OpenAI SDK&#043;\u81ea\u7814\u8282\u70b9&#xff09;<\/td>\n<td>Phoenix<\/td>\n<td>OpenInference\u57cb\u70b9\u7edf\u4e00\u6210\u4e00\u68f5\u6811<\/td>\n<\/tr>\n<tr>\n<td>\u9700\u8981\u7279\u6b8a\u4e1a\u52a1\u6307\u6807&#xff08;\u5426\u51b3\u7387\/\u5faa\u73af\u589e\u91cf\/\u4f9b\u5e94\u5546\u7ef4\u5ea6&#xff09;<\/td>\n<td>\u81ea\u5b9a\u4e49 &#043; \u524d\u4e24\u8005\u4e4b\u4e00<\/td>\n<td>\u5143\u6570\u636e\u81ea\u7531\u5ea6\u53ea\u6709\u81ea\u5df1\u7684Tracer\u7ed9\u5f97\u4e86<\/td>\n<\/tr>\n<tr>\n<td>\u957f\u671f\u5f52\u6863\u505a\u79bb\u7ebf\u5206\u6790<\/td>\n<td>\u81ea\u5b9a\u4e49JSONL<\/td>\n<td>pandas\u76f4\u63a5\u5543&#xff0c;\u4e0d\u6015\u5e73\u53f0\u6539\u7248<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6700\u540e\u63d0\u9192\u4e00\u53e5&#xff1a;\u4e09\u5957\u65b9\u6848\u7684\u57cb\u70b9\u8bed\u4e49\u8981\u5bf9\u9f50&#xff08;node\u540d\u3001trace_id\u8d2f\u7a7f\u3001token\u5b57\u6bb5\u53e3\u5f84\u4e00\u81f4&#xff09;&#xff0c;\u5426\u5219\u5207\u6362\u65b9\u6848\u65f6\u5386\u53f2\u6570\u636e\u5bf9\u4e0d\u4e0a\u53f7&#xff0c;\u8d26\u672c\u5c31\u65ad\u4ee3\u4e86\u3002<\/p>\n<hr \/>\n<h3>\u5c0f\u7ed3<\/h3>\n<li>Graph\u662f&#034;\u767d\u76d2\u67b6\u6784\u3001\u9ed1\u76d2\u8fd0\u884c&#034;&#xff1a;\u62d3\u6251\u6b63\u786e\u53ea\u4fdd\u8bc1\u8bbe\u8ba1\u6001&#xff0c;\u8fd0\u884c\u6001\u7684\u6162\u3001\u8d35\u3001\u9519\u3001\u6f02\u79fb\u5fc5\u987b\u9760Trace\u6293\u2014\u2014\u7ebf\u6027\u65e5\u5fd7\u914d\u4e0d\u4e0a\u7f51\u72b6\u95ee\u9898\u3002<\/li>\n<li>LangSmith&#xff1a;\u4e09\u4e2a\u73af\u5883\u53d8\u91cf\u63a5\u5165\u3001\u96f6\u4ee3\u7801\u4fb5\u5165&#xff0c;Trace\u6811&#043;\u56de\u653e&#043;\u6210\u672c\u6298\u7b97\u662f\u6740\u624b\u950f&#xff1b;\u4ee3\u4ef7\u662f\u6570\u636e\u51fa\u7f51\u548c\u6309\u91cf\u8ba1\u8d39\u3002<\/li>\n<li>Arize Phoenix&#xff1a;\u5f00\u6e90&#043;\u81ea\u6301&#043;OTel\u6807\u51c6&#xff0c;\u591a\u6846\u67b6trace\u80fd\u62fc\u6210\u540c\u4e00\u68f5\u6811&#xff0c;\u9002\u5408\u5408\u89c4\u5185\u7f51\u548c\u591aSDK\u6df7\u90e8&#xff1b;\u7ec6\u817b\u5ea6\u7565\u900a\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49Trace&#xff1a;span\u5b57\u6bb5\u6309&#034;\u8fdc\u7aef\u8c03\u7528\u5fc5\u8bb0\u6e05\u5355&#034;\u8bbe\u8ba1&#xff08;baseurl\/key\u5c3e6\u4f4d\/\u6a21\u578b\/\u8f93\u5165\u8f93\u51fa\u957f\u5ea6\/\u8d77\u6b62\u65f6\u523b\/\u8017\u65f6&#xff09;&#xff0c;JSONL\u6309\u6708\u843d\u76d8&#043;prompt\u539f\u6587\u5f52\u6863&#xff0c;\u5206\u6790\u81ea\u7531\u5ea6\u62c9\u6ee1\u3002<\/li>\n<li>Trace\u7684\u7ec8\u70b9\u662f\u8d26\u672c&#xff1a;groupby\u8282\u70b9\u770b\u8017\u65f6\u4e0etoken\u3001\u6298\u7b97\u6210\u672c\u3001\u76efio_ratio\u2014\u2014\u4e0b\u4e00\u8282\u7684\u6027\u80fd\u4f18\u5316\u5168\u9760\u8fd9\u5f20\u8868\u5f00\u8def\u3002<\/li>\n<h3>\u4e0b\u8282\u9884\u544a<\/h3>\n<p>X\u5149\u673a\u88c5\u597d\u4e86&#xff0c;\u4e0b\u4e00\u8282\u76f4\u63a5\u62cd\u7247\u770b\u75c5&#xff1a;\u6211\u4f1a\u62ff\u4e00\u4efd&#034;\u6df1\u5ea6\u7814\u7a76\u56fev1&#034;\u7684\u771f\u5b9etrace&#xff0c;\u8d70\u5b8c\u5b8c\u6574\u8c03\u8bd5SOP\u2014\u2014\u4eceP95\u8017\u65f6\u6392\u5e8f\u9501\u5b9a\u6162\u8282\u70b9&#xff0c;\u5230token\u8d26\u5355\u63ea\u51fa\u4e0a\u4e0b\u6587\u865a\u80d6&#xff0c;\u518d\u5230span\u5e8f\u5217\u53d1\u73b0\u91cd\u8bd5\u98ce\u66b4&#xff0c;\u6700\u540e\u7ed9\u51faGod Node\u3001\u5e8f\u5217\u5316\u5f00\u9500\u3001Context Bloat\u4e09\u5927\u74f6\u9888\u6a21\u5f0f\u7684\u68c0\u6d4b\u7b7e\u540d\u548c\u4fee\u590d\u524d\u540e\u5bf9\u6bd4\u6570\u636e\u3002\u8c03\u8bd5\u8fd9\u5757&#xff0c;\u4f1a\u770b\u7247\u6bd4\u4f1a\u62cd\u7167\u96be\u5341\u500d\u3002<\/p>\n<h3>\u4e92\u52a8\u533a<\/h3>\n<p>\u4f60\u4eec\u56e2\u961f\u73b0\u5728\u8c03\u8bd5\u591aAgent\u5e94\u7528\u8fd8\u5728\u7528print\u5417&#xff1f;\u5982\u679c\u5df2\u7ecf\u4e0a\u4e86\u89c2\u6d4b\u5de5\u5177&#xff0c;\u7528\u7684\u662fLangSmith\u3001Phoenix\u8fd8\u662f\u522b\u7684&#xff08;Langfuse\u3001W&amp;B Weave\u90fd\u6b22\u8fce&#xff09;&#xff1f;\u8e29\u8fc7\u4ec0\u4e48&#034;trace\u8bb0\u4e86\u4e00\u5806\u5374\u4e0d\u77e5\u9053\u770b\u4ec0\u4e48&#034;\u7684\u5751&#xff1f;\u8bc4\u8bba\u533a\u804a\u804a&#xff0c;\u4e0b\u4e00\u7bc7\u7684\u8c03\u8bd5SOP\u6211\u4f1a\u53c2\u8003\u5927\u5bb6\u7684\u9ad8\u8d5e\u75db\u70b9\u8865\u5145\u6848\u4f8b\u3002<\/p>\n<hr \/>\n<p>\u5982\u679c\u89c9\u5f97\u672c\u6587\u5bf9\u4f60\u6709\u5e2e\u52a9&#xff0c;\u6b22\u8fce\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u5173\u6ce8\u4e09\u8fde&#xff01; \u672c\u7cfb\u5217\u6301\u7eed\u66f4\u65b0\u4e2d&#xff0c;\u5173\u6ce8\u4e0d\u8ff7\u8def~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Graph\u5e94\u7528\u7684X\u5149\u673a&#xff1a;LangSmith\u3001Arize Phoenix\u4e0e\u81ea\u5b9a\u4e49Trace\u5168\u653b\u7565 \u62d3\u6251\u56fe\u753b\u5f97\u518d\u6f02\u4eae&#xff0c;\u4e5f\u53ea\u662f\\&#8221;\u8bbe\u8ba1\u6001\\&#8221;&#xff1b;\u771f\u6b63\u51b3\u5b9a\u7cfb\u7edf\u751f\u6b7b\u7684\u662f\\&#8221;\u8fd0\u884c\u6001\\&#8221;\u2014\u2014\u8fd9\u4e00\u8282\u6211\u4eec\u628aGraph\u63a8\u8fdbX\u5149\u673a&#xff0c;\u8ba9\u6bcf\u4e2a\u8282\u70b9\u7684\u8017\u65f6\u3001token\u3001\u6210\u672c\u3001\u5931\u8d25\u5168\u90e8\u73b0\u5f62 \u672c\u6587\u5bfc\u822a<br 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