1 // Licensed to the .NET Foundation under one or more agreements. 2 // The .NET Foundation licenses this file to you under the MIT license. 3 // See the LICENSE file in the project root for more information. 4 5 namespace System 6 { 7 internal static class HighPerformanceCounter 8 { 9 public static ulong TickCount => Interop.Sys.GetHighPrecisionCount(); 10 11 // Cache the frequency on the managed side to avoid the cost of P/Invoke on every access to Frequency 12 public static ulong Frequency { get; } = Interop.Sys.GetHighPrecisionCounterFrequency(); 13 } 14 } 15