detecting-performance-regressions

by foryourhealth111-pixel

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SKILL.md About

---
name: detecting-performance-regressions
description: |
  Compare current benchmark results against historical baselines to spot performance regressions.
  Use as an explicit/manual helper for build-to-build degradation review, not for broad optimization strategy or low-level profiling ownership.
version: 1.0.0
allowed-tools: "Read, Write, Edit, Grep, Glob, Bash(ci:*), Bash(metrics:*), Bash(testing:*)"
license: MIT
author: Jeremy Longshore <jeremy@intentsolutions.io>
---
# Performance Regression Detector

## Positioning

Treat this skill as an explicit/manual helper for benchmark comparison work.

## When to Use

Use this skill when:
- Identify performance regressions in a CI/CD pipeline.
- Analyze performance metrics for potential degradation.
- Compare current performance against historical baselines.

## Not For / Boundaries

- Broad optimization roadmap or tuning backlog: use `providing-performance-optimization-advice`
- Root-cause debugging of a specific slow path: use `systematic-debugging`
- General test artifact packaging without regression judgment: use `generating-test-reports`

## Typical Outputs

- A baseline-vs-current regression summary
- Severity-ranked regressed metrics
- Follow-up questions for deeper profiling or investigation

## Related Skills

- `performance-testing` for benchmark generation
- `providing-performance-optimization-advice` after the regression is confirmed