<PackageReference Include="OpenTelemetry" Version="1.21.0-rc.1" />

OpenTelemetry.Internal.StripedCounter

sealed class StripedCounter
A counter of in-flight operations which is split across per-processor slots so that threads entering and leaving concurrently do not all serialize on a single cache line.
namespace OpenTelemetry.Internal { internal sealed class StripedCounter { public int Enter(); public void Exit(int slot); public bool IsZero(); public StripedCounter(); } }