[Perf] Linux/x64: 2 Regressions on 10/3/2025 9:18:21 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [e25633993143c2f05f28686bf515ff187ad53301](https://github.com/dotnet/runtime/commit/e25633993143c2f05f28686bf515ff187ad53301)
Compare | [00827336cc507d8c6f934b90e61790f9d24ca42d](https://github.com/dotnet/runtime/commit/00827336cc507d8c6f934b90e61790f9d24ca42d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e25633993143c2f05f28686bf515ff187ad53301...00827336cc507d8c6f934b90e61790f9d24ca42d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Interop.ComWrappersTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ParallelRCWLookUp - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Interop.ComWrappersTests.ParallelRCWLookUp.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Interop/ComWrappers.cs#L43-#L58>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 324.60 ms | 376.68 ms | 1.16 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_07_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Interop.ComWrappersTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_07_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Interop.ComWrappersTests.html>)

### 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 'Interop.ComWrappersTests*'
```

<details>

### Interop.ComWrappersTests.ParallelRCWLookUp

#### 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)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [e25633993143c2f05f28686bf515ff187ad53301](https://github.com/dotnet/runtime/commit/e25633993143c2f05f28686bf515ff187ad53301)
Compare | [00827336cc507d8c6f934b90e61790f9d24ca42d](https://github.com/dotnet/runtime/commit/00827336cc507d8c6f934b90e61790f9d24ca42d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e25633993143c2f05f28686bf515ff187ad53301...00827336cc507d8c6f934b90e61790f9d24ca42d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in Benchmark.GetChildKeysTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AddChainedConfigurationEmpty - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/Microsoft.Extensions.Configuration/GetChildKeysTests.cs#L100-#L102>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACl2RUW/bIBSF3yPlP7C8kGhu7FRtU2VCWutFm1T1pY22Z2auYzYMFlzWWO3+ey+289KXi4B7D985GECGEJAJ9pXfg62aVvq/6++AZaONeoA+HOg6rO+UKhupLajS2Vofo5eond23Hfb8y3xmSEjWCJ6UlERA3cLysri8vihuL4rtodjurq92xWa9vb3ZbG6uPhfFrihW06SHztEgVw4tYO6jTfNn3d9eEli691CHvAGpQt4SzLmhGpDSy72Vra6Wr7x0bafNwPjoFPAd46jBg+IZ40/RPmir0iF1e8f/JxAy/UMHdF5X0nyTKH9pbJKO9Do4G5YpKJFKNloVQ80GepFKNqGKcckmMDEuq/nsjXXe/YEK2TN4DSFj95FiPpDZZ5Rtl7Gf0kQQKfPSUQrgnyBEg3f/wMsjzGd5/sZeGjIyKbBPJI6URWCLBbr9qTJRwWLB8pztTyRpgLma1dqQlrZH5iJ9FAvDcALyYBX9Wsq7aqRH9kKu2XJsEGfMU+VMbK34iNuP50EM3NSHGg0ITvEBJd1P20eQIXpowSJfvQOgl12YdAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 8.35 ms | 12.63 ms | 1.51 | 0.43 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_07_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Benchmark.GetChildKeysTests_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_07_2025/refs/heads/main_x64_ubuntu%2022.04_Regression/Benchmark.GetChildKeysTests.html>)

### 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 'Benchmark.GetChildKeysTests*'
```

<details>

### Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty

#### 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)

</details>

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[Perf] Linux/x64: 2 Regressions on 10/3/2025 9:18:21 PM +00:00 #120470

Run Information

Regressions in Interop.ComWrappersTests

Repro

Interop.ComWrappersTests.ParallelRCWLookUp

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in Benchmark.GetChildKeysTests

Repro

Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

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Projects

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Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	e25633993143c2f05f28686bf515ff187ad53301
Compare	00827336cc507d8c6f934b90e61790f9d24ca42d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/x64: 2 Regressions on 10/3/2025 9:18:21 PM +00:00 #120470

Description

Run Information

Regressions in Interop.ComWrappersTests

Repro

Interop.ComWrappersTests.ParallelRCWLookUp

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in Benchmark.GetChildKeysTests

Repro

Benchmark.GetChildKeysTests.AddChainedConfigurationEmpty

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions