dotnet-ci-benchmarking
dotnet-ci-benchmarking
Continuous benchmarking guidance for detecting performance regressions in CI pipelines. Covers baseline file management with BenchmarkDotNet JSON exporters, GitHub Actions workflows for artifact-based baseline comparison, regression detection patterns with configurable thresholds, and alerting strategies for performance degradation.
Version assumptions: BenchmarkDotNet v0.14+ for JSON export, GitHub Actions runner environment. Examples use actions/upload-artifact@v4 and actions/download-artifact@v4.
Out of scope: BenchmarkDotNet setup, benchmark class design, memory diagnosers, and common pitfalls are owned by this epic's companion skill -- see [skill:dotnet-benchmarkdotnet]. Performance-oriented architecture patterns are owned by [skill:dotnet-performance-patterns]. Profiling tools (dotnet-counters, dotnet-trace, dotnet-dump) are covered by dotnet-profiling. OpenTelemetry metrics collection and distributed tracing -- see [skill:dotnet-observability]. Composable CI/CD workflow design and matrix build strategies -- see [skill:dotnet-gha-patterns]. Architecture patterns (caching, resilience) -- see [skill:dotnet-architecture-patterns].
Cross-references: [skill:dotnet-benchmarkdotnet] for benchmark class setup and JSON exporter configuration, [skill:dotnet-observability] for correlating benchmark regressions with runtime metrics changes, [skill:dotnet-gha-patterns] for composable workflow patterns (reusable workflows, composite actions, matrix builds).
Baseline File Management
BenchmarkDotNet JSON Export
BenchmarkDotNet's JSON exporter produces machine-readable results for automated comparison. Configure the exporter in benchmark classes:
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