Merge branch 'main' into feature/prometheus-scope-info

test/Benchmarks/Benchmarks.csproj

@@ -24,12 +24,6 @@
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Instrumentation.AspNetCore\OpenTelemetry.Instrumentation.AspNetCore.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Compile Include="$(RepoRoot)\src\Shared\DiagnosticSourceInstrumentation\DiagnosticSourceListener.cs" Link="Includes\DiagnosticSourceListener.cs" />
-    <Compile Include="$(RepoRoot)\src\Shared\DiagnosticSourceInstrumentation\DiagnosticSourceSubscriber.cs" Link="Includes\DiagnosticSourceSubscriber.cs" />
-    <Compile Include="$(RepoRoot)\src\Shared\DiagnosticSourceInstrumentation\ListenerHandler.cs" Link="Includes\ListenerHandler.cs" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry\OpenTelemetry.csproj" />
     <ProjectReference Include="$(RepoRoot)\src\OpenTelemetry.Exporter.InMemory\OpenTelemetry.Exporter.InMemory.csproj" />

test/Benchmarks/Logs/LogBenchmarks.cs

@@ -20,23 +20,21 @@
 using OpenTelemetry.Logs;
 
 /*
-// * Summary *
-
-BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1466 (21H2)
-Intel Core i7-4790 CPU 3.60GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
-.NET SDK=6.0.101
-  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
-  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
-
-
-|                                 Method |       Mean |     Error |    StdDev |  Gen 0 | Allocated |
-|--------------------------------------- |-----------:|----------:|----------:|-------:|----------:|
-|                             NoListener |  72.365 ns | 0.9425 ns | 0.8817 ns | 0.0153 |      64 B |
-|   NoListenerWithLoggerMessageGenerator |   4.769 ns | 0.0161 ns | 0.0142 ns |      - |         - |
-|                           OneProcessor | 168.330 ns | 0.6198 ns | 0.5494 ns | 0.0553 |     232 B |
-| OneProcessorWithLoggerMessageGenerator | 142.898 ns | 0.5233 ns | 0.4086 ns | 0.0401 |     168 B |
-|                          TwoProcessors | 173.727 ns | 0.5978 ns | 0.4992 ns | 0.0553 |     232 B |
-|                        ThreeProcessors | 174.295 ns | 0.7697 ns | 0.7200 ns | 0.0553 |     232 B |
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+
+
+| Method                                 | Mean       | Error     | StdDev    | Median     | Gen0   | Allocated |
+|--------------------------------------- |-----------:|----------:|----------:|-----------:|-------:|----------:|
+| NoListener                             |  44.633 ns | 0.8442 ns | 1.9733 ns |  43.683 ns | 0.0102 |      64 B |
+| NoListenerWithLoggerMessageGenerator   |   1.880 ns | 0.0141 ns | 0.0125 ns |   1.879 ns |      - |         - |
+| OneProcessor                           | 126.857 ns | 1.1861 ns | 1.0514 ns | 126.730 ns | 0.0165 |     104 B |
+| OneProcessorWithLoggerMessageGenerator | 112.677 ns | 1.0021 ns | 0.8884 ns | 112.605 ns | 0.0063 |      40 B |
+| TwoProcessors                          | 129.967 ns | 0.8315 ns | 0.7371 ns | 129.850 ns | 0.0165 |     104 B |
+| ThreeProcessors                        | 130.117 ns | 1.1359 ns | 1.0626 ns | 129.991 ns | 0.0165 |     104 B |
 */
 
 namespace Benchmarks.Logs;

test/Benchmarks/Logs/LogScopeBenchmarks.cs

@@ -19,6 +19,19 @@
 using Microsoft.Extensions.Logging;
 using OpenTelemetry.Logs;
 
+/*
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+
+
+| Method       | Mean     | Error    | StdDev   | Allocated |
+|------------- |---------:|---------:|---------:|----------:|
+| ForEachScope | 74.29 ns | 0.605 ns | 0.536 ns |         - |
+*/
+
 namespace Benchmarks.Logs;
 
 public class LogScopeBenchmarks
@@ -27,8 +40,10 @@ public class LogScopeBenchmarks
 
     private readonly Action<LogRecordScope, object> callback = (LogRecordScope scope, object state) =>
     {
-        foreach (KeyValuePair<string, object> scopeItem in scope)
+        foreach (var scopeItem in scope)
         {
+            _ = scopeItem.Key;
+            _ = scopeItem.Value;
         }
     };
 
@@ -39,19 +54,21 @@ public LogScopeBenchmarks()
         this.scopeProvider.Push(new ReadOnlyCollection<KeyValuePair<string, object>>(
             new List<KeyValuePair<string, object>>
             {
-                new KeyValuePair<string, object>("item1", "value1"),
-                new KeyValuePair<string, object>("item2", "value2"),
+                new("item1", "value1"),
+                new("item2", "value2"),
             }));
+
         this.scopeProvider.Push(new ReadOnlyCollection<KeyValuePair<string, object>>(
             new List<KeyValuePair<string, object>>
             {
-                new KeyValuePair<string, object>("item3", "value3"),
+                new("item3", "value3"),
             }));
+
         this.scopeProvider.Push(new ReadOnlyCollection<KeyValuePair<string, object>>(
             new List<KeyValuePair<string, object>>
             {
-                new KeyValuePair<string, object>("item4", "value4"),
-                new KeyValuePair<string, object>("item5", "value5"),
+                new("item4", "value4"),
+                new("item5", "value5"),
             }));
 
 #pragma warning disable CS0618 // Type or member is obsolete

test/Benchmarks/Trace/OpenTelemetrySdkBenchmarksActivity.cs → test/Benchmarks/Trace/ActivityCreationBenchmarks.cs

@@ -1,4 +1,4 @@
-// <copyright file="OpenTelemetrySdkBenchmarksActivity.cs" company="OpenTelemetry Authors">
+// <copyright file="ActivityCreationBenchmarks.cs" company="OpenTelemetry Authors">
 // Copyright The OpenTelemetry Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -21,27 +21,25 @@
 using OpenTelemetry.Trace;
 
 /*
-// * Summary *
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
 
-BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19044.2130/21H2/November2021Update)
-Intel Core i7-4790 CPU 3.60GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
-.NET SDK=7.0.100-preview.7.22377.5
-  [Host]     : .NET 6.0.10 (6.0.1022.47605), X64 RyuJIT AVX2
-  DefaultJob : .NET 6.0.10 (6.0.1022.47605), X64 RyuJIT AVX2
 
-
-|                                                   Method |     Mean |   Error |  StdDev |   Gen0 | Allocated |
-|--------------------------------------------------------- |---------:|--------:|--------:|-------:|----------:|
-|                             CreateActivity_NoopProcessor | 457.9 ns | 1.39 ns | 1.23 ns | 0.0992 |     416 B |
-|           CreateActivity_WithParentContext_NoopProcessor | 104.8 ns | 0.43 ns | 0.36 ns |      - |         - |
-|                CreateActivity_WithParentId_NoopProcessor | 221.9 ns | 0.44 ns | 0.39 ns | 0.0343 |     144 B |
-|              CreateActivity_WithAttributes_NoopProcessor | 541.4 ns | 3.32 ns | 2.94 ns | 0.1488 |     624 B |
-|                    CreateActiviti_WithKind_NoopProcessor | 437.5 ns | 2.05 ns | 1.92 ns | 0.0992 |     416 B |
+| Method                                         | Mean      | Error    | StdDev   | Gen0   | Allocated |
+|----------------------------------------------- |----------:|---------:|---------:|-------:|----------:|
+| CreateActivity_NoopProcessor                   | 307.12 ns | 5.769 ns | 6.172 ns | 0.0663 |     416 B |
+| CreateActivity_WithParentContext_NoopProcessor |  75.18 ns | 0.399 ns | 0.354 ns |      - |         - |
+| CreateActivity_WithParentId_NoopProcessor      | 156.52 ns | 1.609 ns | 1.426 ns | 0.0229 |     144 B |
+| CreateActivity_WithAttributes_NoopProcessor    | 372.34 ns | 6.215 ns | 4.852 ns | 0.0992 |     624 B |
+| CreateActivity_WithKind_NoopProcessor          | 302.24 ns | 5.859 ns | 8.402 ns | 0.0663 |     416 B |
 */
 
 namespace Benchmarks.Trace;
 
-public class OpenTelemetrySdkBenchmarksActivity
+public class ActivityCreationBenchmarks
 {
     private readonly ActivitySource benchmarkSource = new("Benchmark");
     private readonly ActivityContext parentCtx = new(ActivityTraceId.CreateRandom(), ActivitySpanId.CreateRandom(), ActivityTraceFlags.None);
@@ -76,5 +74,5 @@ public void GlobalCleanup()
     public void CreateActivity_WithAttributes_NoopProcessor() => ActivityCreationScenarios.CreateActivityWithAttributes(this.benchmarkSource);
 
     [Benchmark]
-    public void CreateActiviti_WithKind_NoopProcessor() => ActivityCreationScenarios.CreateActivityWithKind(this.benchmarkSource);
+    public void CreateActivity_WithKind_NoopProcessor() => ActivityCreationScenarios.CreateActivityWithKind(this.benchmarkSource);
 }

test/Benchmarks/Trace/SamplerBenchmarks.cs

@@ -20,21 +20,18 @@
 using OpenTelemetry.Trace;
 
 /*
-// * Summary *
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
 
-BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1889 (21H2)
-Intel Core i7-4790 CPU 3.60GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
-.NET SDK=7.0.100-preview.7.22377.5
-  [Host]     : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT
-  DefaultJob : .NET 6.0.8 (6.0.822.36306), X64 RyuJIT
 
-
-|                        Method |     Mean |   Error |  StdDev |  Gen 0 | Allocated |
+| Method                        | Mean     | Error   | StdDev  | Gen0   | Allocated |
 |------------------------------ |---------:|--------:|--------:|-------:|----------:|
-| SamplerNotModifyingTraceState | 398.6 ns | 7.48 ns | 7.68 ns | 0.0782 |     328 B |
-|    SamplerModifyingTraceState | 411.8 ns | 2.38 ns | 2.11 ns | 0.0782 |     328 B |
-|    SamplerAppendingTraceState | 428.5 ns | 2.54 ns | 2.25 ns | 0.0916 |     384 B |
-
+| SamplerNotModifyingTraceState | 293.3 ns | 3.55 ns | 3.15 ns | 0.0520 |     328 B |
+| SamplerModifyingTraceState    | 289.4 ns | 5.64 ns | 6.27 ns | 0.0520 |     328 B |
+| SamplerAppendingTraceState    | 312.7 ns | 6.07 ns | 8.10 ns | 0.0610 |     384 B |
 */
 
 namespace Benchmarks.Trace;

test/Benchmarks/Trace/OpenTelemetrySdkBenchmarks.cs → test/Benchmarks/Trace/SpanCreationBenchmarks.cs

@@ -1,4 +1,4 @@
-// <copyright file="OpenTelemetrySdkBenchmarks.cs" company="OpenTelemetry Authors">
+// <copyright file="SpanCreationBenchmarks.cs" company="OpenTelemetry Authors">
 // Copyright The OpenTelemetry Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,9 +19,31 @@
 using OpenTelemetry;
 using OpenTelemetry.Trace;
 
+/*
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+
+
+| Method                           | Mean       | Error     | StdDev     | Ratio | RatioSD | Gen0   | Allocated |
+|--------------------------------- |-----------:|----------:|-----------:|------:|--------:|-------:|----------:|
+| CreateSpan_Sampled               | 357.256 ns | 2.1430 ns |  1.7895 ns | 61.41 |    0.40 | 0.0701 |     440 B |
+| CreateSpan_ParentContext         | 354.797 ns | 2.4225 ns |  2.2660 ns | 60.93 |    0.46 | 0.0787 |     496 B |
+| CreateSpan_Attributes_Sampled    | 460.082 ns | 8.7219 ns | 16.3818 ns | 81.52 |    2.88 | 0.1135 |     712 B |
+| CreateSpan_WithSpan              | 439.489 ns | 8.7722 ns | 21.3526 ns | 79.36 |    2.81 | 0.1030 |     648 B |
+| CreateSpan_Active                | 348.698 ns | 4.3437 ns |  3.8506 ns | 59.98 |    0.64 | 0.0701 |     440 B |
+| CreateSpan_Active_GetCurrent     | 357.866 ns | 7.1779 ns |  9.0777 ns | 62.41 |    1.51 | 0.0701 |     440 B |
+| CreateSpan_Attributes_NotSampled | 360.546 ns | 3.6948 ns |  3.2753 ns | 61.96 |    0.63 | 0.0815 |     512 B |
+| CreateSpan_Noop                  |   5.818 ns | 0.0248 ns |  0.0207 ns |  1.00 |    0.00 |      - |         - |
+| CreateSpan_Attributes_Noop       |  15.953 ns | 0.3446 ns |  0.3539 ns |  2.75 |    0.07 | 0.0115 |      72 B |
+| CreateSpan_Propagate_Noop        |  12.320 ns | 0.2486 ns |  0.2326 ns |  2.12 |    0.04 |      - |         - |
+*/
+
 namespace Benchmarks.Trace;
 
-public class OpenTelemetrySdkBenchmarks
+public class SpanCreationBenchmarks
 {
     private Tracer alwaysSampleTracer;
     private Tracer neverSampleTracer;

test/Benchmarks/Trace/TraceBenchmarks.cs

@@ -20,29 +20,26 @@
 using OpenTelemetry.Trace;
 
 /*
-// * Summary *
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
 
-BenchmarkDotNet=v0.13.2, OS=Windows 10 (10.0.19044.2130/21H2/November2021Update)
-Intel Core i7-4790 CPU 3.60GHz(Haswell), 1 CPU, 8 logical and 4 physical cores
-.NET SDK= 7.0.100-preview.7.22377.5
-    [Host]     : .NET 6.0.10 (6.0.1022.47605), X64 RyuJIT AVX2
-    DefaultJob : .NET 6.0.10 (6.0.1022.47605), X64 RyuJIT AVX2
 
-
-|                           Method |      Mean |    Error |   StdDev |   Gen0 | Allocated |
+| Method                           | Mean      | Error    | StdDev   | Gen0   | Allocated |
 |--------------------------------- |----------:|---------:|---------:|-------:|----------:|
-|                       NoListener |  20.86 ns | 0.379 ns | 0.336 ns |      - |         - |
-|           PropagationDataListner | 376.51 ns | 1.361 ns | 1.273 ns | 0.0992 |     416 B |
-|                   AllDataListner | 377.38 ns | 2.715 ns | 2.407 ns | 0.0992 |     416 B |
-|        AllDataAndRecordedListner | 375.79 ns | 3.393 ns | 3.008 ns | 0.0992 |     416 B |
-|                     OneProcessor | 432.98 ns | 1.562 ns | 1.461 ns | 0.0992 |     416 B |
-|                    TwoProcessors | 430.16 ns | 2.538 ns | 2.250 ns | 0.0992 |     416 B |
-|                  ThreeProcessors | 427.39 ns | 3.243 ns | 2.875 ns | 0.0992 |     416 B |
-|               OneInstrumentation | 411.56 ns | 2.310 ns | 2.161 ns | 0.0992 |     416 B |
-|              TwoInstrumentations | 422.27 ns | 3.304 ns | 2.929 ns | 0.0992 |     416 B |
-|    LegacyActivity_ExactMatchMode | 726.59 ns | 4.852 ns | 4.301 ns | 0.0992 |     416 B |
-| LegacyActivity_WildcardMatchMode | 825.79 ns | 7.846 ns | 6.955 ns | 0.0992 |     416 B |
-
+| NoListener                       |  14.00 ns | 0.173 ns | 0.162 ns |      - |         - |
+| PropagationDataListner           | 265.96 ns | 4.022 ns | 3.762 ns | 0.0663 |     416 B |
+| AllDataListner                   | 255.14 ns | 1.819 ns | 1.702 ns | 0.0663 |     416 B |
+| AllDataAndRecordedListner        | 258.32 ns | 2.387 ns | 2.116 ns | 0.0663 |     416 B |
+| OneProcessor                     | 277.12 ns | 2.059 ns | 1.926 ns | 0.0663 |     416 B |
+| TwoProcessors                    | 276.82 ns | 4.442 ns | 4.155 ns | 0.0663 |     416 B |
+| ThreeProcessors                  | 283.12 ns | 1.970 ns | 1.645 ns | 0.0663 |     416 B |
+| OneInstrumentation               | 281.13 ns | 2.199 ns | 2.057 ns | 0.0663 |     416 B |
+| TwoInstrumentations              | 273.99 ns | 2.792 ns | 2.475 ns | 0.0663 |     416 B |
+| LegacyActivity_ExactMatchMode    | 471.38 ns | 2.211 ns | 1.960 ns | 0.0658 |     416 B |
+| LegacyActivity_WildcardMatchMode | 496.84 ns | 2.138 ns | 2.000 ns | 0.0658 |     416 B |
 */
 
 namespace Benchmarks.Trace;

test/Benchmarks/Trace/TraceShimBenchmarks.cs

@@ -19,6 +19,22 @@
 using OpenTelemetry;
 using OpenTelemetry.Trace;
 
+/*
+BenchmarkDotNet v0.13.10, Windows 11 (10.0.23424.1000)
+Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores
+.NET SDK 8.0.100
+  [Host]     : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+  DefaultJob : .NET 8.0.0 (8.0.23.53103), X64 RyuJIT AVX2
+
+
+| Method          | Mean       | Error     | StdDev    | Gen0   | Allocated |
+|---------------- |-----------:|----------:|----------:|-------:|----------:|
+| NoListener      |   5.322 ns | 0.0314 ns | 0.0262 ns |      - |         - |
+| OneProcessor    | 326.566 ns | 3.4034 ns | 3.0170 ns | 0.0701 |     440 B |
+| TwoProcessors   | 335.646 ns | 3.8341 ns | 3.3988 ns | 0.0701 |     440 B |
+| ThreeProcessors | 336.069 ns | 6.5628 ns | 8.5335 ns | 0.0701 |     440 B |
+*/
+
 namespace Benchmarks.Trace;
 
 public class TraceShimBenchmarks