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Original file line number Diff line number Diff line change
Expand Up @@ -92,14 +92,19 @@ internal sealed partial class SqlClientMetrics
private string? _instanceName;
#endif

public SqlClientMetrics(SqlClientEventSource eventSource)
public SqlClientMetrics(SqlClientEventSource eventSource, bool enableMetrics)
{
_eventSource = eventSource;

#if NETFRAMEWORK
// On .NET Framework, metrics are exposed as performance counters and are always enabled.
// On .NET Core, metrics are exposed as EventCounters, and require explicit enablement.
EnablePerformanceCounters();
#else
if (enableMetrics)
{
EnableEventCounters();
}
#endif
}

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Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,13 @@ namespace Microsoft.Data.SqlClient
[EventSource(Name = "Microsoft.Data.SqlClient.EventSource")]
internal partial class SqlClientEventSource : EventSource
{
private static bool s_initialMetricsEnabled = false;

// Defines the singleton instance for the Resources ETW provider
public static readonly SqlClientEventSource Log = new();

// Provides access to metrics.
public static readonly SqlClientMetrics Metrics = new SqlClientMetrics(Log);
public static readonly SqlClientMetrics Metrics = new SqlClientMetrics(Log, s_initialMetricsEnabled);

private SqlClientEventSource() { }

Expand All @@ -33,7 +35,14 @@ protected override void OnEventCommand(EventCommandEventArgs command)

if (command.Command == EventCommand.Enable)
{
Metrics.EnableEventCounters();
if (Metrics == null)
{
s_initialMetricsEnabled = true;
}
else
{
Metrics.EnableEventCounters();
}
}
}
#endif
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,7 @@
<OutputPath>$(BinFolder)$(Configuration).$(Platform)\$(AssemblyName)</OutputPath>
</PropertyGroup>
<ItemGroup>
<ProjectReference Condition="'$(TargetGroup)'=='netcoreapp' AND $(ReferenceType)=='Project'" Include="$(NetCoreSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="'$(TargetGroup)'=='netfx' AND $(ReferenceType)=='Project'" Include="$(NetFxSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="!$(ReferenceType.Contains('Package'))" Include="$(SqlServerSource)Microsoft.SqlServer.Server.csproj" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.Data.SqlClient" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.SqlServer.Server" />
</ItemGroup>
</Project>
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,7 @@
<OutputPath>$(BinFolder)$(Configuration).$(Platform)\$(AssemblyName)</OutputPath>
</PropertyGroup>
<ItemGroup>
<ProjectReference Condition="'$(TargetGroup)'=='netcoreapp' AND $(ReferenceType)=='Project'" Include="$(NetCoreSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="'$(TargetGroup)'=='netfx' AND $(ReferenceType)=='Project'" Include="$(NetFxSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="!$(ReferenceType.Contains('Package'))" Include="$(SqlServerSource)Microsoft.SqlServer.Server.csproj" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.Data.SqlClient" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.SqlServer.Server" />
</ItemGroup>
</Project>
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,7 @@
<OutputPath>$(BinFolder)$(Configuration).$(Platform)\$(AssemblyName)</OutputPath>
</PropertyGroup>
<ItemGroup>
<ProjectReference Condition="'$(TargetGroup)'=='netcoreapp' AND $(ReferenceType)=='Project'" Include="$(NetCoreSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="'$(TargetGroup)'=='netfx' AND $(ReferenceType)=='Project'" Include="$(NetFxSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="!$(ReferenceType.Contains('Package'))" Include="$(SqlServerSource)Microsoft.SqlServer.Server.csproj" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.Data.SqlClient" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.SqlServer.Server" />
</ItemGroup>
</Project>
Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,7 @@
<OutputPath>$(BinFolder)$(Configuration).$(Platform)\$(AssemblyName)</OutputPath>
</PropertyGroup>
<ItemGroup>
<ProjectReference Condition="'$(TargetGroup)'=='netcoreapp' AND $(ReferenceType)=='Project'" Include="$(NetCoreSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="'$(TargetGroup)'=='netfx' AND $(ReferenceType)=='Project'" Include="$(NetFxSource)src\Microsoft.Data.SqlClient.csproj" />
<ProjectReference Condition="!$(ReferenceType.Contains('Package'))" Include="$(SqlServerSource)Microsoft.SqlServer.Server.csproj" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.Data.SqlClient" />
<PackageReference Condition="$(ReferenceType.Contains('Package'))" Include="Microsoft.SqlServer.Server" />
</ItemGroup>
</Project>
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