[Perf] Linux/arm64: 2 Regressions on 9/22/2024 6:41:54 PM

[performanceautofiler[bot]]

Run Information

Name	Value
Architecture	arm64
OS	ubuntu 22.04
Queue	AmpereUbuntu
Baseline	a3d1e1cdb61a65b64246dee45998f2701c8987b8
Compare	b5833d2cd22f474485f74696609f6a6c3617cd15
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Environment

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
[GetEnvironmentVariable - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Tests.Perf_Environment.GetEnvironmentVariable.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	358.80 ns	399.37 ns	1.11	0.04	False
[ExpandEnvironmentVariables - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 22.04/System.Tests.Perf_Environment.ExpandEnvironmentVariables.html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	416.88 ns	449.79 ns	1.08	0.03	False

Test Report

Repro

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

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Environment*'

### System.Tests.Perf_Environment.GetEnvironmentVariable #### ETL Files #### Histogram #### JIT Disasms ### System.Tests.Perf_Environment.ExpandEnvironmentVariables #### 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)

[LoopedBard3]

Looks like noise, but should check to see if it goes back down after another week just incase.