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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
#if WINDOWS
using System.Linq;
using Microsoft.Xunit.Performance.Sdk;
using Microsoft.Diagnostics.Tracing.Parsers.Clr;
/// <summary>
/// This file contains a number of GC-related metrics that are provided to xunit-performance.
/// Each one of these derives from GCMetric, which manages the creation of the GC object model
/// from an ETL trace - these classes are only responsible for using it to produce a meaningful
/// metric.
///
/// Each one of these metrics should be fairly self-explanatory.
/// </summary>
namespace GCPerfTestFramework.Metrics
{
#region Maximum Pause Duration
internal class GCMaxPauseMetric : GCMetric
{
public GCMaxPauseMetric()
: base("GCMaxPause", "Maximum GC Pause Duraction", PerformanceMetricUnits.Milliseconds)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCMaxPauseEvaluator(context);
}
}
internal class GCMaxPauseEvaluator : GCEvaluator
{
public GCMaxPauseEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Total.MaxPauseDurationMSec;
}
}
#endregion
#region Mean Pause Duration
internal class GCMeanPauseMetric : GCMetric
{
public GCMeanPauseMetric()
: base("GCMeanPause", "Mean GC Pause Duraction", PerformanceMetricUnits.Milliseconds)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCMeanPauseEvaluator(context);
}
}
internal class GCMeanPauseEvaluator : GCEvaluator
{
public GCMeanPauseEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Total.MeanPauseDurationMSec;
}
}
#endregion
#region Peak Virtual Memory Size
internal class GCPeakVirtualMemoryMetric : GCMetric
{
public GCPeakVirtualMemoryMetric()
: base("GCPeakVirtualMemory", "Process Peak Virtual Memory", PerformanceMetricUnits.Bytes)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCPeakVirtualMemoryMetricEvaluator(context);
}
}
internal class GCPeakVirtualMemoryMetricEvaluator : GCEvaluator
{
public GCPeakVirtualMemoryMetricEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.PeakVirtualMB * GCMetric.BytesInMegabyte;
}
}
#endregion
#region Peak Working Set Size
internal class GCPeakWorkingSetMetric : GCMetric
{
public GCPeakWorkingSetMetric()
: base("GCPeakWorkingSet", "Process Peak Working Set", PerformanceMetricUnits.Bytes)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCPeakWorkingSetMetricEvaluator(context);
}
}
internal class GCPeakWorkingSetMetricEvaluator : GCEvaluator
{
public GCPeakWorkingSetMetricEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.PeakWorkingSetMB * GCMetric.BytesInMegabyte;
}
}
#endregion
#region Total Pause Time
internal class GCTotalPauseTimeMetric : GCMetric
{
public GCTotalPauseTimeMetric()
: base("GCTotalPauseTime", "Total time spent paused due to GC activity", PerformanceMetricUnits.Milliseconds)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCTotalPauseTimeMetricEvaluator(context);
}
}
internal class GCTotalPauseTimeMetricEvaluator : GCEvaluator
{
public GCTotalPauseTimeMetricEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Total.TotalPauseTimeMSec;
}
}
#endregion
#region CPU time in GC
internal class GCCpuTimeInGCMetric : GCMetric
{
public GCCpuTimeInGCMetric()
: base("GCCpuTimeInGC", "Total CPU time spent in GC activity", PerformanceMetricUnits.Milliseconds)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCCpuTimeInGCMetricEvaluator(context);
}
}
internal class GCCpuTimeInGCMetricEvaluator : GCEvaluator
{
public GCCpuTimeInGCMetricEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Total.TotalGCCpuMSec;
}
}
#endregion
#region Generation Zero Mean Pause Duration
internal class GCGenZeroMeanPauseDuration : GCMetric
{
public GCGenZeroMeanPauseDuration()
: base("GCGenZeroMeanPauseDuration", "Mean pause duration for Gen0 collections", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenZeroMeanPauseDurationEvaluator(context);
}
}
internal class GCGenZeroMeanPauseDurationEvaluator : GCEvaluator
{
public GCGenZeroMeanPauseDurationEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Generations[0].MeanPauseDurationMSec;
}
}
#endregion
#region Generation One Mean Pause Duration
internal class GCGenOneMeanPauseDuration : GCMetric
{
public GCGenOneMeanPauseDuration()
: base("GCGenOneMeanPauseDuration", "Mean pause duration for Gen1 collections", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenOneMeanPauseDurationEvaluator(context);
}
}
internal class GCGenOneMeanPauseDurationEvaluator : GCEvaluator
{
public GCGenOneMeanPauseDurationEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Generations[0].MeanPauseDurationMSec;
}
}
#endregion
#region Generation Two Mean Pause Duration
internal class GCGenTwoMeanPauseDuration : GCMetric
{
public GCGenTwoMeanPauseDuration()
: base("GCGenTwoMeanPauseDuration", "Mean pause duration for Gen2 collections", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenTwoMeanPauseDurationEvaluator(context);
}
}
internal class GCGenTwoMeanPauseDurationEvaluator : GCEvaluator
{
public GCGenTwoMeanPauseDurationEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Generations[2].MeanPauseDurationMSec;
}
}
#endregion
#region Generation Zero GC Count
internal class GCGenZeroCount : GCMetric
{
public GCGenZeroCount()
: base("GCGenZeroCount", "Number of Generation 0 GCs", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenZeroCountEvaluator(context);
}
}
internal class GCGenZeroCountEvaluator : GCEvaluator
{
public GCGenZeroCountEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Generations[0].GCCount;
}
}
#endregion
#region Generation One GC Count
internal class GCGenOneCount : GCMetric
{
public GCGenOneCount()
: base("GCGenOneCount", "Number of Generation 1 GCs", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenOneCountEvaluator(context);
}
}
internal class GCGenOneCountEvaluator : GCEvaluator
{
public GCGenOneCountEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Generations[1].GCCount;
}
}
#endregion
#region Generation 2 Background GC Count
internal class GCGenTwoBGCCount : GCMetric
{
public GCGenTwoBGCCount()
: base("GCGenTwoBGCCount", "Number of Generation 2 background GCs", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenTwoBGCCountEvaluator(context);
}
}
internal class GCGenTwoBGCCountEvaluator : GCEvaluator
{
public GCGenTwoBGCCountEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Events.Count(e => e.Generation == 2 && e.Type == GCType.BackgroundGC);
}
}
#endregion
#region Generation 2 Blocking GC Count
internal class GCGenTwoGCCount : GCMetric
{
public GCGenTwoGCCount()
: base("GCGenTwoGCCount", "Number of Generation 2 blocking GCs", PerformanceMetricUnits.Count)
{
}
public override PerformanceMetricEvaluator CreateEvaluator(PerformanceMetricEvaluationContext context)
{
return new GCGenTwoGCCountEvaluator(context);
}
}
internal class GCGenTwoGCCountEvaluator : GCEvaluator
{
public GCGenTwoGCCountEvaluator(PerformanceMetricEvaluationContext context)
: base(context)
{
}
protected override double YieldMetric()
{
return ProcessInfo.Events.Count(e => e.Generation == 2 && e.Type == GCType.NonConcurrentGC);
}
}
#endregion
}
#endif
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