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TaoChenOSU merged 2 commits into from
Mar 26, 2026
+3 −4
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.NET: Improve observability sample #4917

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7a0e516
Improve .Net observability sample
TaoChenOSU Mar 25, 2026
6332fbc
Update dotnet/samples/02-agents/AgentOpenTelemetry/Program.cs
TaoChenOSU Mar 26, 2026
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7 changes: 3 additions & 4 deletions dotnet/samples/02-agents/AgentOpenTelemetry/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@

#region Setup Telemetry

// Source name for this sample's custom ActivitySource and Meter; other instrumentation uses their own sources/categories.
const string SourceName = "OpenTelemetryAspire.ConsoleApp";
const string ServiceName = "AgentOpenTelemetry";

Expand All @@ -40,7 +41,6 @@
var tracerProviderBuilder = Sdk.CreateTracerProviderBuilder()
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(ServiceName, serviceVersion: "1.0.0"))
.AddSource(SourceName) // Our custom activity source
.AddSource("*Microsoft.Agents.AI") // Agent Framework telemetry
.AddHttpClientInstrumentation() // Capture HTTP calls to OpenAI
.AddOtlpExporter(options => options.Endpoint = new Uri(otlpEndpoint));

Expand All @@ -54,8 +54,7 @@
// Setup metrics with resource and instrument name filtering
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService(ServiceName, serviceVersion: "1.0.0"))
.AddMeter(SourceName) // Our custom meter
.AddMeter("*Microsoft.Agents.AI") // Agent Framework metrics
.AddMeter(SourceName) // Our custom meter source
.AddHttpClientInstrumentation() // HTTP client metrics
.AddRuntimeInstrumentation() // .NET runtime metrics
.AddOtlpExporter(options => options.Endpoint = new Uri(otlpEndpoint))
Expand Down Expand Up @@ -128,7 +127,7 @@ static async Task<string> GetWeatherAsync([Description("The location to get the
instructions: "You are a helpful assistant that provides concise and informative responses.",
tools: [AIFunctionFactory.Create(GetWeatherAsync)])
.AsBuilder()
.UseOpenTelemetry(SourceName, configure: (cfg) => cfg.EnableSensitiveData = true) // enable telemetry at the agent level
.UseOpenTelemetry(sourceName: SourceName, configure: (cfg) => cfg.EnableSensitiveData = true) // enable telemetry at the agent level
.Build();

var session = await agent.CreateSessionAsync();
Expand Down
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