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* Add logging event source * Track timing information in the generator driver - Expose via runrunresult and ETW - Extract out helper from event source - Add extension methods to create a start/stop pair of events the driver can use
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using System; | ||
| using System.Diagnostics.Tracing; | ||
| using Roslyn.Utilities; | ||
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| namespace Microsoft.CodeAnalysis | ||
| { | ||
| [EventSource(Name = "Microsoft-CodeAnalysis-General")] | ||
| internal sealed class CodeAnalysisEventSource : EventSource | ||
| { | ||
| public static readonly CodeAnalysisEventSource Log = new CodeAnalysisEventSource(); | ||
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| public static class Keywords | ||
| { | ||
| public const EventKeywords Performance = (EventKeywords)1; | ||
| } | ||
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| public static class Tasks | ||
| { | ||
| public const EventTask GeneratorDriverRunTime = (EventTask)1; | ||
| public const EventTask SingleGeneratorRunTime = (EventTask)2; | ||
| } | ||
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| private CodeAnalysisEventSource() { } | ||
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| [Event(1, Keywords = Keywords.Performance, Level = EventLevel.Informational, Opcode = EventOpcode.Start, Task = Tasks.GeneratorDriverRunTime)] | ||
| internal void StartGeneratorDriverRunTime(string id) => WriteEvent(1, id); | ||
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| [Event(2, Message = "Generators ran for {0} ticks", Keywords = Keywords.Performance, Level = EventLevel.Informational, Opcode = EventOpcode.Stop, Task = Tasks.GeneratorDriverRunTime)] | ||
| internal void StopGeneratorDriverRunTime(long elapsedTicks, string id) => WriteEvent(2, elapsedTicks, id); | ||
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| [Event(3, Keywords = Keywords.Performance, Level = EventLevel.Informational, Opcode = EventOpcode.Start, Task = Tasks.SingleGeneratorRunTime)] | ||
| internal void StartSingleGeneratorRunTime(string generatorName, string assemblyPath, string id) => WriteEvent(3, generatorName, assemblyPath, id); | ||
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| [Event(4, Message = "Generator {0} ran for {2} ticks", Keywords = Keywords.Performance, Level = EventLevel.Informational, Opcode = EventOpcode.Stop, Task = Tasks.SingleGeneratorRunTime)] | ||
| internal void StopSingleGeneratorRunTime(string generatorName, string assemblyPath, long elapsedTicks, string id) => WriteEvent(4, generatorName, assemblyPath, elapsedTicks, id); | ||
| } | ||
| } |
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76 changes: 76 additions & 0 deletions
76
src/Compilers/Core/Portable/SourceGeneration/GeneratorTimerExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics.Tracing; | ||
| using System.Text; | ||
| using Roslyn.Utilities; | ||
| using static Microsoft.CodeAnalysis.CodeAnalysisEventSource; | ||
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| namespace Microsoft.CodeAnalysis | ||
| { | ||
| internal static class GeneratorTimerExtensions | ||
| { | ||
| public static RunTimer CreateGeneratorDriverRunTimer(this CodeAnalysisEventSource eventSource) | ||
| { | ||
| if (eventSource.IsEnabled(EventLevel.Informational, Keywords.Performance)) | ||
| { | ||
| var id = Guid.NewGuid().ToString(); | ||
| eventSource.StartGeneratorDriverRunTime(id); | ||
| return new RunTimer(t => eventSource.StopGeneratorDriverRunTime(t.Ticks, id)); | ||
| } | ||
| else | ||
| { | ||
| return new RunTimer(); | ||
| } | ||
| } | ||
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| public static RunTimer CreateSingleGeneratorRunTimer(this CodeAnalysisEventSource eventSource, ISourceGenerator generator) | ||
| { | ||
| if (eventSource.IsEnabled(EventLevel.Informational, Keywords.Performance)) | ||
| { | ||
| var id = Guid.NewGuid().ToString(); | ||
| var type = generator.GetGeneratorType(); | ||
| eventSource.StartSingleGeneratorRunTime(type.FullName!, type.Assembly.Location, id); | ||
| return new RunTimer(t => eventSource.StopSingleGeneratorRunTime(type.FullName!, type.Assembly.Location, t.Ticks, id)); | ||
| } | ||
| else | ||
| { | ||
| return new RunTimer(); | ||
| } | ||
| } | ||
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| internal readonly struct RunTimer : IDisposable | ||
| { | ||
| private readonly SharedStopwatch _timer; | ||
| private readonly Action<TimeSpan>? _callback; | ||
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| public TimeSpan Elapsed => _timer.Elapsed; | ||
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| public RunTimer() | ||
| { | ||
| // start twice to improve accuracy. See AnalyzerExecutor.ExecuteAndCatchIfThrows for more details | ||
| _ = SharedStopwatch.StartNew(); | ||
| _timer = SharedStopwatch.StartNew(); | ||
| _callback = null; | ||
| } | ||
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| public RunTimer(Action<TimeSpan> callback) | ||
| : this() | ||
| { | ||
| _callback = callback; | ||
| } | ||
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| public void Dispose() | ||
| { | ||
| if (_callback is not null) | ||
| { | ||
| var elapsed = _timer.Elapsed; | ||
| _callback(elapsed); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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