dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 1 Regression on 3/17/2026 4:11:41 PM +00:00

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arch-x64 branch-refs/heads/main kind-micro Look Again os-linux perf-regression runtime-coreclr
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [fc529276b042443bd335adc6b5a26526e7ac9905](https://github.com/dotnet/runtime/commit/fc529276b042443bd335adc6b5a26526e7ac9905)
Compare | [c31475ea97de93297d055374284e1b1d4769332d](https://github.com/dotnet/runtime/commit/c31475ea97de93297d055374284e1b1d4769332d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/fc529276b042443bd335adc6b5a26526e7ac9905...c31475ea97de93297d055374284e1b1d4769332d)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in System.Net.Sockets.Tests.SocketSendReceivePerfTest

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

  • [SendAsyncThenReceiveAsync_SocketAsyncEventArgs - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 73.72 ms | 79.93 ms | 1.08 | 0.10 | 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.Net.Sockets.Tests.SocketSendReceivePerfTest*'
```

### System.Net.Sockets.Tests.SocketSendReceivePerfTest.SendAsyncThenReceiveAsync_SocketAsyncEventArgs

#### 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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