[Perf] Linux/x64: 1 Regression on 6/9/2026 7:14:42 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [aa035b95d4edf04fb4a6c8fc8a0da83f23aa9a5a](https://github.com/dotnet/runtime/commit/aa035b95d4edf04fb4a6c8fc8a0da83f23aa9a5a)
Compare | [4a1d144788851d4fcae6157f4c6cf9d938158da0](https://github.com/dotnet/runtime/commit/4a1d144788851d4fcae6157f4c6cf9d938158da0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/aa035b95d4edf04fb4a6c8fc8a0da83f23aa9a5a...4a1d144788851d4fcae6157f4c6cf9d938158da0)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Regressions in PerfLabTests.LowLevelPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

• [NewDelegateClassEmptyInstanceFn - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

![graph]()
[Test Report]()

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.LowLevelPerf*'
```

### PerfLabTests.LowLevelPerf.NewDelegateClassEmptyInstanceFn

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)