public static void Log(Summary summary, ITestOutputHelper output)
{
var logger = new OutputLogger(output);
// We construct HostEnvironmentInfo manually, so that we can have the HardwareTimerKind enum as text, rather than an integer
// SimpleJson serializer doesn't seem to have an enum String/Value option (to-be-fair, it is meant to be "Simple")
//var environmentInfo = new
//{
// HostEnvironmentInfo.BenchmarkDotNetCaption,
// summary.HostEnvironmentInfo.BenchmarkDotNetVersion,
// OsVersion = summary.HostEnvironmentInfo.OsVersion.Value,
// ProcessorName = ProcessorBrandStringHelper.Prettify(summary.HostEnvironmentInfo.CpuInfo.Value),
// summary.HostEnvironmentInfo.CpuInfo.Value?.PhysicalProcessorCount,
// summary.HostEnvironmentInfo.CpuInfo.Value?.PhysicalCoreCount,
// summary.HostEnvironmentInfo.CpuInfo.Value?.LogicalCoreCount,
// summary.HostEnvironmentInfo.RuntimeVersion,
// summary.HostEnvironmentInfo.Architecture,
// summary.HostEnvironmentInfo.HasAttachedDebugger,
// summary.HostEnvironmentInfo.HasRyuJit,
// summary.HostEnvironmentInfo.Configuration,
// DotNetCliVersion = summary.HostEnvironmentInfo.DotNetSdkVersion.Value,
// summary.HostEnvironmentInfo.ChronometerFrequency,
// HardwareTimerKind = summary.HostEnvironmentInfo.HardwareTimerKind.ToString()
//};
// If we just ask SimpleJson to serialize the entire "summary" object it throws several errors.
// So we are more specific in what we serialize (plus some fields/properties aren't relevant)
var benchmarks = summary.Reports.Select(report =>
{
var data = new Dictionary <string, object>
{
// We don't need Benchmark.ShortInfo, that info is available via Benchmark.Parameters below
{ "DisplayInfo", report.BenchmarkCase.DisplayInfo },
{ "Namespace", report.BenchmarkCase.Descriptor.Type.Namespace },
{ "Type", GetTypeName(report.BenchmarkCase.Descriptor.Type) },
{ "Method", report.BenchmarkCase.Descriptor.WorkloadMethod.Name },
{ "MethodTitle", report.BenchmarkCase.Descriptor.WorkloadMethodDisplayInfo },
{ "Parameters", report.BenchmarkCase.Parameters.PrintInfo },
{ "FullName", FullNameProvider.GetBenchmarkName(report.BenchmarkCase) }, // do NOT remove this property, it is used for xunit-performance migration
{ "ExecutionTime", $"{report.ResultStatistics.Mean.ToTimeStr(TimeUnit.GetBestTimeUnit(report.ResultStatistics.Mean))}" },
};
// We show MemoryDiagnoser's results only if it is being used
if (report.BenchmarkCase.Config.HasMemoryDiagnoser())
{
data.Add("Memory", report.GcStats);
}
return(data);
});
logger.WriteLine(JsonConvert.SerializeObject(new Dictionary <string, object>
{
{ "Title", summary.Title },
// { "HostEnvironmentInfo", environmentInfo },
{ "Benchmarks", benchmarks }
}, Formatting.Indented));
}
protected virtual IReadOnlyDictionary <string, object> GetDataToSerialize(BenchmarkReport report)
{
var benchmark = new Dictionary <string, object>
{
// We don't need Benchmark.ShortInfo, that info is available via Benchmark.Parameters below
{ "DisplayInfo", report.BenchmarkCase.DisplayInfo },
{ "Namespace", report.BenchmarkCase.Descriptor.Type.Namespace },
{ "Type", FullNameProvider.GetTypeName(report.BenchmarkCase.Descriptor.Type) },
{ "Method", report.BenchmarkCase.Descriptor.WorkloadMethod.Name },
{ "MethodTitle", report.BenchmarkCase.Descriptor.WorkloadMethodDisplayInfo },
{ "Parameters", report.BenchmarkCase.Parameters.PrintInfo },
{
"FullName", FullNameProvider.GetBenchmarkName(report.BenchmarkCase)
}, // do NOT remove this property, it is used for xunit-performance migration
// Hardware Intrinsics can be disabled using env vars, that is why they might be different per benchmark and are not exported as part of HostEnvironmentInfo
{ "HardwareIntrinsics", report.GetHardwareIntrinsicsInfo() ?? "" },
// { "Properties", r.Benchmark.Job.ToSet().ToDictionary(p => p.Name, p => p.Value) }, // TODO
{ "Statistics", report.ResultStatistics }
};
// We show MemoryDiagnoser's results only if it is being used
if (report.BenchmarkCase.Config.HasMemoryDiagnoser())
{
benchmark.Add("Memory", new
{
report.GcStats.Gen0Collections,
report.GcStats.Gen1Collections,
report.GcStats.Gen2Collections,
report.GcStats.TotalOperations,
BytesAllocatedPerOperation = report.GcStats.GetBytesAllocatedPerOperation(report.BenchmarkCase)
});
}
if (ExcludeMeasurements == false)
{
// We construct Measurements manually, so that we can have the IterationMode enum as text, rather than an integer
benchmark.Add("Measurements",
report.AllMeasurements.Select(m => new
{
IterationMode = m.IterationMode.ToString(),
IterationStage = m.IterationStage.ToString(),
m.LaunchIndex,
m.IterationIndex,
m.Operations,
m.Nanoseconds
}));
if (report.Metrics.Any())
{
benchmark.Add("Metrics", report.Metrics.Values);
}
}
return(benchmark);
}
protected static string GetSessionName(BenchmarkCase benchmarkCase)
{
string benchmarkName = FullNameProvider.GetBenchmarkName(benchmarkCase);
if (benchmarkName.Length <= MaxSessionNameLength)
{
return(benchmarkName);
}
// session name is not really used by humans, we can just give it the hashcode value
return($"BenchmarkDotNet.EtwProfiler.Session_{Hashing.HashString(benchmarkName)}");
}
private static string GetBenchmarkName(BenchmarkCase benchmark)
{
var fullName = FullNameProvider.GetBenchmarkName(benchmark);
// FullBenchmarkName is passed to Process.Start as an argument and each OS limits the max argument length, so we have to limit it too
// Windows limit is 32767 chars, Unix is 128*1024 but we use 1024 as a common sense limit
if (fullName.Length < 1024)
{
return(fullName);
}
string typeName = FullNameProvider.GetTypeName(benchmark.Descriptor.Type);
string methodName = benchmark.Descriptor.WorkloadMethod.Name;
string paramsHash = benchmark.HasParameters
? "paramsHash_" + Hashing.HashString(FullNameProvider.GetMethodName(benchmark)).ToString()
: string.Empty;
return($"{typeName}.{methodName}({paramsHash})");
}
private void AssertBenchmarkName <T>(string expectedBenchmarkName)
{
var benchmark = BenchmarkConverter.TypeToBenchmarks(typeof(T)).BenchmarksCases.Single();
Assert.Equal(expectedBenchmarkName, FullNameProvider.GetBenchmarkName(benchmark));
}
public override void ExportToLog(Summary summary, ILogger logger)
{
// We construct HostEnvironmentInfo manually, so that we can have the HardwareTimerKind enum as text, rather than an integer
// SimpleJson serializer doesn't seem to have an enum String/Value option (to-be-fair, it is meant to be "Simple")
var environmentInfo = new
{
HostEnvironmentInfo.BenchmarkDotNetCaption,
summary.HostEnvironmentInfo.BenchmarkDotNetVersion,
OsVersion = summary.HostEnvironmentInfo.OsVersion.Value,
ProcessorName = ProcessorBrandStringHelper.Prettify(summary.HostEnvironmentInfo.CpuInfo.Value?.ProcessorName ?? ""),
summary.HostEnvironmentInfo.CpuInfo.Value?.PhysicalProcessorCount,
summary.HostEnvironmentInfo.CpuInfo.Value?.PhysicalCoreCount,
summary.HostEnvironmentInfo.CpuInfo.Value?.LogicalCoreCount,
summary.HostEnvironmentInfo.RuntimeVersion,
summary.HostEnvironmentInfo.Architecture,
summary.HostEnvironmentInfo.HasAttachedDebugger,
summary.HostEnvironmentInfo.HasRyuJit,
summary.HostEnvironmentInfo.Configuration,
summary.HostEnvironmentInfo.JitModules,
DotNetCliVersion = summary.HostEnvironmentInfo.DotNetSdkVersion.Value,
summary.HostEnvironmentInfo.ChronometerFrequency,
HardwareTimerKind = summary.HostEnvironmentInfo.HardwareTimerKind.ToString()
};
// If we just ask SimpleJson to serialise the entire "summary" object it throws several errors.
// So we are more specific in what we serialise (plus some fields/properties aren't relevant)
var benchmarks = summary.Reports.Select(r =>
{
var data = new Dictionary <string, object>
{
// We don't need Benchmark.ShortInfo, that info is available via Benchmark.Parameters below
{ "DisplayInfo", r.BenchmarkCase.DisplayInfo },
{ "Namespace", r.BenchmarkCase.Descriptor.Type.Namespace },
{ "Type", FullNameProvider.GetTypeName(r.BenchmarkCase.Descriptor.Type) },
{ "Method", r.BenchmarkCase.Descriptor.WorkloadMethod.Name },
{ "MethodTitle", r.BenchmarkCase.Descriptor.WorkloadMethodDisplayInfo },
{ "Parameters", r.BenchmarkCase.Parameters.PrintInfo },
{ "FullName", FullNameProvider.GetBenchmarkName(r.BenchmarkCase) }, // do NOT remove this property, it is used for xunit-performance migration
// { "Properties", r.Benchmark.Job.ToSet().ToDictionary(p => p.Name, p => p.Value) }, // TODO
{ "Statistics", r.ResultStatistics }
};
// We show MemoryDiagnoser's results only if it is being used
if (summary.Config.HasMemoryDiagnoser())
{
data.Add("Memory", r.GcStats);
}
if (ExcludeMeasurements == false)
{
// We construct Measurements manually, so that we can have the IterationMode enum as text, rather than an integer
data.Add("Measurements",
r.AllMeasurements.Select(m => new
{
IterationMode = m.IterationMode.ToString(),
IterationStage = m.IterationStage.ToString(),
m.LaunchIndex,
m.IterationIndex,
m.Operations,
m.Nanoseconds
}));
}
return(data);
});
JsonSerializer.CurrentJsonSerializerStrategy.Indent = IndentJson;
logger.WriteLine(JsonSerializer.SerializeObject(new Dictionary <string, object>
{
{ "Title", summary.Title },
{ "HostEnvironmentInfo", environmentInfo },
{ "Benchmarks", benchmarks }
}));
}
public static void RunCore(IHost host, BenchmarkCase benchmarkCase, BenchmarkActionCodegen codegenMode, IConfig config)
{
var target = benchmarkCase.Descriptor;
var job = benchmarkCase.Job; // TODO: filter job (same as SourceCodePresenter does)?
int unrollFactor = benchmarkCase.Job.ResolveValue(RunMode.UnrollFactorCharacteristic, EnvironmentResolver.Instance);
// DONTTOUCH: these should be allocated together
var instance = Activator.CreateInstance(benchmarkCase.Descriptor.Type);
var workloadAction = BenchmarkActionFactory.CreateWorkload(target, instance, codegenMode, unrollFactor);
var overheadAction = BenchmarkActionFactory.CreateOverhead(target, instance, codegenMode, unrollFactor);
var globalSetupAction = BenchmarkActionFactory.CreateGlobalSetup(target, instance);
var globalCleanupAction = BenchmarkActionFactory.CreateGlobalCleanup(target, instance);
var iterationSetupAction = BenchmarkActionFactory.CreateIterationSetup(target, instance);
var iterationCleanupAction = BenchmarkActionFactory.CreateIterationCleanup(target, instance);
var dummy1 = BenchmarkActionFactory.CreateDummy();
var dummy2 = BenchmarkActionFactory.CreateDummy();
var dummy3 = BenchmarkActionFactory.CreateDummy();
FillMembers(instance, benchmarkCase);
host.WriteLine();
foreach (string infoLine in BenchmarkEnvironmentInfo.GetCurrent().ToFormattedString())
{
host.WriteLine("// {0}", infoLine);
}
host.WriteLine("// Job: {0}", job.DisplayInfo);
host.WriteLine();
var engineParameters = new EngineParameters
{
Host = host,
WorkloadActionNoUnroll = invocationCount =>
{
for (int i = 0; i < invocationCount; i++)
{
workloadAction.InvokeSingle();
}
},
WorkloadActionUnroll = workloadAction.InvokeMultiple,
Dummy1Action = dummy1.InvokeSingle,
Dummy2Action = dummy2.InvokeSingle,
Dummy3Action = dummy3.InvokeSingle,
OverheadActionNoUnroll = invocationCount =>
{
for (int i = 0; i < invocationCount; i++)
{
overheadAction.InvokeSingle();
}
},
OverheadActionUnroll = overheadAction.InvokeMultiple,
GlobalSetupAction = globalSetupAction.InvokeSingle,
GlobalCleanupAction = globalCleanupAction.InvokeSingle,
IterationSetupAction = iterationSetupAction.InvokeSingle,
IterationCleanupAction = iterationCleanupAction.InvokeSingle,
TargetJob = job,
OperationsPerInvoke = target.OperationsPerInvoke,
MeasureGcStats = config.HasMemoryDiagnoser(),
BenchmarkName = FullNameProvider.GetBenchmarkName(benchmarkCase)
};
using (var engine = job
.ResolveValue(InfrastructureMode.EngineFactoryCharacteristic, InfrastructureResolver.Instance)
.CreateReadyToRun(engineParameters))
{
var results = engine.Run();
host.ReportResults(results); // printing costs memory, do this after runs
}
}
public override void ExportToLog(Summary summary, ILogger logger)
{
var reporter = Reporter.CreateReporter();
if (!reporter.InLab) // not running in the perf lab
{
return;
}
DisassemblyDiagnoser disassemblyDiagnoser = summary.Reports
.FirstOrDefault()? // dissasembler was either enabled for all or none of them (so we use the first one)
.BenchmarkCase.Config.GetDiagnosers().OfType <DisassemblyDiagnoser>().FirstOrDefault();
foreach (var report in summary.Reports)
{
var test = new Test();
test.Name = FullNameProvider.GetBenchmarkName(report.BenchmarkCase);
test.Categories = report.BenchmarkCase.Descriptor.Categories;
var results = from result in report.AllMeasurements
where result.IterationMode == Engines.IterationMode.Workload && result.IterationStage == Engines.IterationStage.Result
orderby result.LaunchIndex, result.IterationIndex
select new { result.Nanoseconds, result.Operations };
var overheadResults = from result in report.AllMeasurements
where result.IsOverhead() && result.IterationStage != Engines.IterationStage.Jitting
orderby result.LaunchIndex, result.IterationIndex
select new { result.Nanoseconds, result.Operations };
test.Counters.Add(new Counter
{
Name = "Duration of single invocation",
TopCounter = true,
DefaultCounter = true,
HigherIsBetter = false,
MetricName = "ns",
Results = (from result in results
select result.Nanoseconds / result.Operations).ToList()
});
test.Counters.Add(new Counter
{
Name = "Overhead invocation",
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = false,
MetricName = "ns",
Results = (from result in overheadResults
select result.Nanoseconds / result.Operations).ToList()
});
test.Counters.Add(new Counter
{
Name = "Duration",
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = false,
MetricName = "ms",
Results = (from result in results
select result.Nanoseconds).ToList()
});
test.Counters.Add(new Counter
{
Name = "Operations",
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = true,
MetricName = "Count",
Results = (from result in results
select(double) result.Operations).ToList()
});
foreach (var metric in report.Metrics.Keys)
{
var m = report.Metrics[metric];
test.Counters.Add(new Counter
{
Name = m.Descriptor.DisplayName,
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = m.Descriptor.TheGreaterTheBetter,
MetricName = m.Descriptor.Unit,
Results = new[] { m.Value }
});
}
if (disassemblyDiagnoser != null && disassemblyDiagnoser.Results.TryGetValue(report.BenchmarkCase, out var disassemblyResult))
{
string disassembly = DiffableDisassemblyExporter.BuildDisassemblyString(disassemblyResult, disassemblyDiagnoser.Config);
test.AdditionalData["disasm"] = disassembly;
}
reporter.AddTest(test);
}
logger.WriteLine(reporter.GetJson());
}
public UserSession(DiagnoserActionParameters details, EtwProfilerConfig config, DateTime creationTime)
: base(FullNameProvider.GetBenchmarkName(details.BenchmarkCase), details, config, creationTime)
{
}
public override void ExportToLog(Summary summary, ILogger logger)
{
var reporter = Reporter.CreateReporter();
if (reporter == null) // not running in the perf lab
{
return;
}
foreach (var report in summary.Reports)
{
var test = new Test();
test.Name = FullNameProvider.GetBenchmarkName(report.BenchmarkCase);
test.Categories = report.BenchmarkCase.Descriptor.Categories;
var results = from result in report.AllMeasurements
where result.IterationMode == Engines.IterationMode.Workload && result.IterationStage == Engines.IterationStage.Result
orderby result.LaunchIndex, result.IterationIndex
select new { result.Nanoseconds, result.Operations };
test.Counters.Add(new Counter
{
Name = "Duration of single invocation",
TopCounter = true,
DefaultCounter = true,
HigherIsBetter = false,
MetricName = "ns",
Results = (from result in results
select result.Nanoseconds / result.Operations).ToList()
});
test.Counters.Add(new Counter
{
Name = "Duration",
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = false,
MetricName = "ms",
Results = (from result in results
select result.Nanoseconds).ToList()
});
test.Counters.Add(new Counter
{
Name = "Operations",
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = true,
MetricName = "Count",
Results = (from result in results
select(double) result.Operations).ToList()
});
foreach (var metric in report.Metrics.Keys)
{
var m = report.Metrics[metric];
test.Counters.Add(new Counter
{
Name = m.Descriptor.DisplayName,
TopCounter = false,
DefaultCounter = false,
HigherIsBetter = m.Descriptor.TheGreaterTheBetter,
MetricName = m.Descriptor.Unit,
Results = new[] { m.Value }
});
}
reporter.AddTest(test);
}
logger.WriteLine(reporter.GetJson());
}
public BenchmarkId(int value, BenchmarkCase benchmarkCase)
{
Value = value;
FullBenchmarkName = FullNameProvider.GetBenchmarkName(benchmarkCase);
JobId = benchmarkCase.Job.Id;
}