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Add DOTNET_ environment vars #2643

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merged 2 commits into from
Sep 22, 2024
Merged

Add DOTNET_ environment vars #2643

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0026ebb
Add DOTNET_ environment vars
am11 Sep 22, 2024
086ce74
Update tests/BenchmarkDotNet.IntegrationTests/MemoryDiagnoserTests.cs
timcassell Sep 22, 2024
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9 changes: 5 additions & 4 deletions samples/BenchmarkDotNet.Samples/IntroEnvVars.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,14 @@ public class IntroEnvVars
{
private class ConfigWithCustomEnvVars : ManualConfig
{
private const string JitNoInline = "COMPlus_JitNoInline";

public ConfigWithCustomEnvVars()
{
AddJob(Job.Default.WithRuntime(CoreRuntime.Core80).WithId("Inlining enabled"));
AddJob(Job.Default.WithRuntime(CoreRuntime.Core80)
.WithEnvironmentVariables(new EnvironmentVariable(JitNoInline, "1"))
.WithEnvironmentVariables([
new EnvironmentVariable("DOTNET_JitNoInline", "1"),
new EnvironmentVariable("COMPlus_JitNoInline", "1")
])
.WithId("Inlining disabled"));
}
}
Expand All @@ -27,4 +28,4 @@ public void Foo()
// Benchmark body
}
}
}
}
30 changes: 18 additions & 12 deletions src/BenchmarkDotNet/Extensions/ProcessExtensions.cs
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Expand Up @@ -125,18 +125,18 @@ public static bool TrySetAffinity(
internal static void SetEnvironmentVariables(this ProcessStartInfo start, BenchmarkCase benchmarkCase, IResolver resolver)
{
if (benchmarkCase.Job.Environment.Runtime is ClrRuntime clrRuntime && !string.IsNullOrEmpty(clrRuntime.Version))
start.EnvironmentVariables["COMPLUS_Version"] = clrRuntime.Version;
SetClrEnvironmentVariables(start, "Version", clrRuntime.Version);

if (benchmarkCase.Job.Environment.Runtime is MonoRuntime monoRuntime && !string.IsNullOrEmpty(monoRuntime.MonoBclPath))
start.EnvironmentVariables["MONO_PATH"] = monoRuntime.MonoBclPath;

if (benchmarkCase.Config.HasPerfCollectProfiler())
{
// enable tracing configuration inside of CoreCLR (https://github.com/dotnet/coreclr/blob/master/Documentation/project-docs/linux-performance-tracing.md#collecting-a-trace)
start.EnvironmentVariables["COMPlus_PerfMapEnabled"] = "1";
start.EnvironmentVariables["COMPlus_EnableEventLog"] = "1";
SetClrEnvironmentVariables(start, "PerfMapEnabled", "1");
SetClrEnvironmentVariables(start, "EnableEventLog", "1");
// enable BDN Event Source (https://github.com/dotnet/coreclr/blob/master/Documentation/project-docs/linux-performance-tracing.md#filtering)
start.EnvironmentVariables["COMPlus_EventSourceFilter"] = EngineEventSource.SourceName;
SetClrEnvironmentVariables(start, "EventSourceFilter", EngineEventSource.SourceName);
// workaround for https://github.com/dotnet/runtime/issues/71786, will be solved by next perf version
start.EnvironmentVariables["DOTNET_EnableWriteXorExecute"] = "0";
}
Expand Down Expand Up @@ -258,21 +258,27 @@ private static void SetCoreRunEnvironmentVariables(this ProcessStartInfo start,
{
var gcMode = benchmarkCase.Job.Environment.Gc;

start.EnvironmentVariables["COMPlus_gcServer"] = gcMode.ResolveValue(GcMode.ServerCharacteristic, resolver) ? "1" : "0";
start.EnvironmentVariables["COMPlus_gcConcurrent"] = gcMode.ResolveValue(GcMode.ConcurrentCharacteristic, resolver) ? "1" : "0";
SetClrEnvironmentVariables(start, "gcServer", gcMode.ResolveValue(GcMode.ServerCharacteristic, resolver) ? "1" : "0");
SetClrEnvironmentVariables(start, "gcConcurrent", gcMode.ResolveValue(GcMode.ConcurrentCharacteristic, resolver) ? "1" : "0");

if (gcMode.HasValue(GcMode.CpuGroupsCharacteristic))
start.EnvironmentVariables["COMPlus_GCCpuGroup"] = gcMode.ResolveValue(GcMode.CpuGroupsCharacteristic, resolver) ? "1" : "0";
SetClrEnvironmentVariables(start, "GCCpuGroup", gcMode.ResolveValue(GcMode.CpuGroupsCharacteristic, resolver) ? "1" : "0");
if (gcMode.HasValue(GcMode.AllowVeryLargeObjectsCharacteristic))
start.EnvironmentVariables["COMPlus_gcAllowVeryLargeObjects"] = gcMode.ResolveValue(GcMode.AllowVeryLargeObjectsCharacteristic, resolver) ? "1" : "0";
SetClrEnvironmentVariables(start, "gcAllowVeryLargeObjects", gcMode.ResolveValue(GcMode.AllowVeryLargeObjectsCharacteristic, resolver) ? "1" : "0");
if (gcMode.HasValue(GcMode.RetainVmCharacteristic))
start.EnvironmentVariables["COMPlus_GCRetainVM"] = gcMode.ResolveValue(GcMode.RetainVmCharacteristic, resolver) ? "1" : "0";
SetClrEnvironmentVariables(start, "GCRetainVM", gcMode.ResolveValue(GcMode.RetainVmCharacteristic, resolver) ? "1" : "0");
if (gcMode.HasValue(GcMode.NoAffinitizeCharacteristic))
start.EnvironmentVariables["COMPlus_GCNoAffinitize"] = gcMode.ResolveValue(GcMode.NoAffinitizeCharacteristic, resolver) ? "1" : "0";
SetClrEnvironmentVariables(start, "GCNoAffinitize", gcMode.ResolveValue(GcMode.NoAffinitizeCharacteristic, resolver) ? "1" : "0");
if (gcMode.HasValue(GcMode.HeapAffinitizeMaskCharacteristic))
start.EnvironmentVariables["COMPlus_GCHeapAffinitizeMask"] = gcMode.HeapAffinitizeMask.ToString("X");
SetClrEnvironmentVariables(start, "GCHeapAffinitizeMask", gcMode.HeapAffinitizeMask.ToString("X"));
if (gcMode.HasValue(GcMode.HeapCountCharacteristic))
start.EnvironmentVariables["COMPlus_GCHeapCount"] = gcMode.HeapCount.ToString("X");
SetClrEnvironmentVariables(start, "GCHeapCount", gcMode.HeapCount.ToString("X"));
}

private static void SetClrEnvironmentVariables(ProcessStartInfo start, string suffix, string value)
{
start.EnvironmentVariables[$"DOTNET_{suffix}"] = value;
start.EnvironmentVariables[$"COMPlus_{suffix}"] = value;
}
}
}
6 changes: 5 additions & 1 deletion tests/BenchmarkDotNet.IntegrationTests/MemoryDiagnoserTests.cs
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Expand Up @@ -321,7 +321,11 @@ private IConfig CreateConfig(IToolchain toolchain)
.WithGcForce(false)
.WithGcServer(false)
.WithGcConcurrent(false)
.WithEnvironmentVariable("COMPlus_TieredCompilation", "0") // Tiered JIT can allocate some memory on a background thread, let's disable it to make our tests less flaky (#1542)
.WithEnvironmentVariables([
// Tiered JIT can allocate some memory on a background thread, let's disable it to make our tests less flaky (#1542)
new EnvironmentVariable("DOTNET_TieredCompilation", "0"),
new EnvironmentVariable("COMPlus_TieredCompilation", "0")
])
.WithToolchain(toolchain))
.AddColumnProvider(DefaultColumnProviders.Instance)
.AddDiagnoser(MemoryDiagnoser.Default)
Expand Down
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