dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 1 Regression on 5/3/2026 8:13:42 PM +00:00

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arch-wasm arch-x64 branch-refs/heads/main compilationmode-wasm kind-micro os-linux perf-regression runkind-micro runtimetype-coreclr triage-error untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [805d59a0082767fa7bb2f510a8451cda0623261e](https://github.com/dotnet/runtime/commit/805d59a0082767fa7bb2f510a8451cda0623261e)
Compare | [b6b7d929d43ec150af954e2e963ccb9b024274ba](https://github.com/dotnet/runtime/commit/b6b7d929d43ec150af954e2e963ccb9b024274ba)
Diff | [Diff](https://github.com/dotnet/runtime/compare/805d59a0082767fa7bb2f510a8451cda0623261e...b6b7d929d43ec150af954e2e963ccb9b024274ba)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Regressions in System.Threading.Tests.Perf_Thread

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

  • [CurrentThread - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 376.51 ns | 403.37 ns | 1.07 | 0.23 | False | | |

![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 'System.Threading.Tests.Perf_Thread*'
```

### System.Threading.Tests.Perf_Thread.CurrentThread

#### 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)

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Assessment

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