[AOT] suppress IL2026

src/OpenTelemetry/Internal/OpenTelemetrySdkEventSource.cs

@@ -17,6 +17,9 @@
 #nullable enable
 
 using System.Diagnostics;
+#if NET6_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#endif
 using System.Diagnostics.Tracing;
 
 namespace OpenTelemetry.Internal
@@ -197,12 +200,18 @@ public void NoDroppedExportProcessorItems(string exportProcessorName, string exp
             this.WriteEvent(31, exportProcessorName, exporterName);
         }
 
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "Parameters to this method are primitive and are trimmer safe.")]
+#endif
         [Event(32, Message = "'{0}' exporting to '{1}' dropped '{2}' item(s) due to buffer full.", Level = EventLevel.Warning)]
         public void ExistsDroppedExportProcessorItems(string exportProcessorName, string exporterName, long droppedCount)
         {
             this.WriteEvent(32, exportProcessorName, exporterName, droppedCount);
         }
 
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "Parameters to this method are primitive and are trimmer safe.")]
+#endif
         [Event(33, Message = "Measurements from Instrument '{0}', Meter '{1}' will be ignored. Reason: '{2}'. Suggested action: '{3}'", Level = EventLevel.Warning)]
         public void MetricInstrumentIgnored(string instrumentName, string meterName, string reason, string fix)
         {
@@ -233,6 +242,9 @@ public void ProviderDisposed(string providerName)
             this.WriteEvent(37, providerName);
         }
 
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "Parameters to this method are primitive and are trimmer safe.")]
+#endif
         [Event(38, Message = "Duplicate Instrument '{0}', Meter '{1}' encountered. Reason: '{2}'. Suggested action: '{3}'", Level = EventLevel.Warning)]
         public void DuplicateMetricInstrument(string instrumentName, string meterName, string reason, string fix)
         {
@@ -251,6 +263,9 @@ public void MetricReaderEvent(string message)
             this.WriteEvent(40, message);
         }
 
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "Parameters to this method are primitive and are trimmer safe.")]
+#endif
         [Event(41, Message = "View Configuration ignored for Instrument '{0}', Meter '{1}'. Reason: '{2}'. Measurements from the instrument will use default configuration for Aggregation. Suggested action: '{3}'", Level = EventLevel.Warning)]
         public void MetricViewIgnored(string instrumentName, string meterName, string reason, string fix)
         {
@@ -263,6 +278,9 @@ public void UnsupportedAttributeType(string type, string key)
             this.WriteEvent(42, type.ToString(), key);
         }
 
+#if NET6_0_OR_GREATER
+        [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "Parameters to this method are primitive and are trimmer safe.")]
+#endif
         [Event(43, Message = "ForceFlush invoked for processor type '{0}' returned result '{1}'.", Level = EventLevel.Verbose)]
         public void ProcessorForceFlushInvoked(string processorType, bool result)
         {

test/OpenTelemetry.AotCompatibility.Tests/AotCompatibilityTests.cs

@@ -85,7 +85,7 @@ public void EnsureAotCompatibility()
             Assert.True(process.ExitCode == 0, "Publishing the AotCompatibility app failed. See test output for more details.");
 
             var warnings = expectedOutput.ToString().Split('\n', '\r').Where(line => line.Contains("warning IL"));
-            Assert.Equal(77, warnings.Count());
+            Assert.Equal(62, warnings.Count());
         }
     }
 }