From 637ddcfe4cac91e70dba82859ecf958272aa1d4b Mon Sep 17 00:00:00 2001
From: Cijo Thomas <cijo.thomas@gmail.com>
Date: Tue, 24 Oct 2023 10:33:31 -0700
Subject: [PATCH] Benchmarks for metrics modified to have a metric reader
 (#4974)

---
 .../AspNetCoreInstrumentationNewBenchmarks.cs          | 10 ++++++++++
 .../HttpClientInstrumentationBenchmarks.cs             | 10 ++++++++++
 2 files changed, 20 insertions(+)

diff --git a/test/Benchmarks/Instrumentation/AspNetCoreInstrumentationNewBenchmarks.cs b/test/Benchmarks/Instrumentation/AspNetCoreInstrumentationNewBenchmarks.cs
index 1adb679d8f..13e41f0d2b 100644
--- a/test/Benchmarks/Instrumentation/AspNetCoreInstrumentationNewBenchmarks.cs
+++ b/test/Benchmarks/Instrumentation/AspNetCoreInstrumentationNewBenchmarks.cs
@@ -139,9 +139,14 @@ public void GetRequestForAspNetCoreAppGlobalSetup()
             this.StartWebApplication();
             this.httpClient = new HttpClient();
 
+            var exportedItems = new List<Metric>();
             this.meterProvider = Sdk.CreateMeterProviderBuilder()
                 .ConfigureServices(services => services.AddSingleton<IConfiguration>(configuration))
                 .AddAspNetCoreInstrumentation()
+                .AddInMemoryExporter(exportedItems, metricReaderOptions =>
+                {
+                    metricReaderOptions.PeriodicExportingMetricReaderOptions.ExportIntervalMilliseconds = 1000;
+                })
                 .Build();
         }
         else if (this.EnableInstrumentation.HasFlag(EnableInstrumentationOption.Traces) &&
@@ -155,9 +160,14 @@ public void GetRequestForAspNetCoreAppGlobalSetup()
                 .AddAspNetCoreInstrumentation()
                 .Build();
 
+            var exportedItems = new List<Metric>();
             this.meterProvider = Sdk.CreateMeterProviderBuilder()
                 .ConfigureServices(services => services.AddSingleton<IConfiguration>(configuration))
                 .AddAspNetCoreInstrumentation()
+                .AddInMemoryExporter(exportedItems, metricReaderOptions =>
+                {
+                    metricReaderOptions.PeriodicExportingMetricReaderOptions.ExportIntervalMilliseconds = 1000;
+                })
                 .Build();
         }
     }
diff --git a/test/Benchmarks/Instrumentation/HttpClientInstrumentationBenchmarks.cs b/test/Benchmarks/Instrumentation/HttpClientInstrumentationBenchmarks.cs
index c58dbb013c..530dedfd80 100644
--- a/test/Benchmarks/Instrumentation/HttpClientInstrumentationBenchmarks.cs
+++ b/test/Benchmarks/Instrumentation/HttpClientInstrumentationBenchmarks.cs
@@ -92,8 +92,13 @@ public void HttpClientRequestGlobalSetup()
             this.StartWebApplication();
             this.httpClient = new HttpClient();
 
+            var exportedItems = new List<Metric>();
             this.meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddHttpClientInstrumentation()
+                .AddInMemoryExporter(exportedItems, metricReaderOptions =>
+                {
+                    metricReaderOptions.PeriodicExportingMetricReaderOptions.ExportIntervalMilliseconds = 1000;
+                })
                 .Build();
         }
         else if (this.EnableInstrumentation.HasFlag(EnableInstrumentationOption.Traces) &&
@@ -106,8 +111,13 @@ public void HttpClientRequestGlobalSetup()
                 .AddHttpClientInstrumentation()
                 .Build();
 
+            var exportedItems = new List<Metric>();
             this.meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddHttpClientInstrumentation()
+                .AddInMemoryExporter(exportedItems, metricReaderOptions =>
+                {
+                    metricReaderOptions.PeriodicExportingMetricReaderOptions.ExportIntervalMilliseconds = 1000;
+                })
                 .Build();
         }
     }