Add benchmark

osu.Framework.Benchmarks/BenchmarkInvalidationList.cs

@@ -0,0 +1,20 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using BenchmarkDotNet.Attributes;
+using osu.Framework.Graphics;
+using osu.Framework.Layout;
+
+namespace osu.Framework.Benchmarks
+{
+    public class BenchmarkInvalidationList
+    {
+        private InvalidationList list;
+
+        [Benchmark]
+        public void Invalidate() => list.Invalidate(InvalidationSource.Self, Invalidation.All);
+
+        [Benchmark]
+        public void Validate() => list.Validate(Invalidation.All);
+    }
+}