164-java-profiling-verify
Use when you need to verify Java performance optimizations by comparing profiling results before and after refactoring — including baseline validation, post-refactoring report generation, quantitative before/after metrics comparison, side-by-side flamegraph analysis, regression detection, or creating profiling-comparison-analysis and profiling-final-results documentation. This should trigger for requests such as Verify performance fix; Verify the performance; Verify the memory; Verify the threading; Compare before and after profiling results; Check for performance regressions after refactoring. Part of Plinth Toolkit
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/jabrena/plinth --skill 164-java-profiling-verify- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads 164-java-profiling-verify automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Java Profiling Workflow / Step 4 / Verify results
Verify performance optimizations through rigorous before/after comparison: ensure baseline and post-refactoring profiling data use identical test conditions, generate post-refactoring reports, compare metrics (memory, CPU, GC, threading), perform side-by-side flamegraph analysis, document findings in profiling-comparison-analysis-YYYYMMDD.md and profiling-final-results-YYYYMMDD.md, and validate success criteria.
What is covered in this Skill?
- Pre-refactoring baseline: run profiler with same load before changes
- Post-refactoring: generate new reports with identical test conditions
- Comparison: memory (leaks, allocations, GC), CPU (hotspots, contention), visual flamegraph comparison
- Documentation: profiler/docs/profiling-comparison-analysis-YYYYMMDD.md, profiler/docs/profiling-final-results-YYYYMMDD.md
- File naming: baseline/after suffixes, timestamp-based organization
- Validation: verify reports exist, compare metrics, identify regressions
Scope: Identical test conditions are critical. Document test scenarios. Validate application runs with refactored code before generating new reports.
Constraints
Use identical test conditions between baseline and post-refactoring. Verify both report sets are complete. Document test scenarios.
- CONSISTENCY: Use identical test conditions and load patterns for baseline and post-refactoring
- VALIDATE: Ensure both baseline and post-refactoring reports exist and are non-empty before comparison
- DOCUMENT: Record test scenarios and load patterns for reproduction
- BEFORE APPLYING: Read the reference for comparison templates and validation steps
- EDGE CASE: If request scope is ambiguous, stop and ask a clarifying question before applying changes
- EDGE CASE: If required inputs, files, or tooling are missing, report what is missing and ask whether to proceed with setup guidance
When to use this skill
- Verify performance fix
- Verify the performance
- Verify the memory
- Verify the threading
- Verify the GC
- Verify the profiling
- Compare before and after profiling results
- Performance benchmark
- Check for performance regressions after refactoring
Workflow
- Read verification reference and confirm baseline data
Read references/164-java-profiling-verify.md and verify baseline artifacts exist and are non-empty.
- Generate post-refactoring profiling data
Run profiling with identical load/test conditions to produce comparable post-refactoring artifacts.
- Compare before/after metrics and visuals
Perform quantitative comparisons for memory/CPU/GC/threading and side-by-side flamegraph analysis.
- Document final verification outcome
Create comparison and final results reports with regressions, gains, and reproducible scenario details.
Reference
For detailed guidance, examples, and constraints, see references/164-java-profiling-verify.md.
FAQ
What does the 164-java-profiling-verify skill do?
Use when you need to verify Java performance optimizations by comparing profiling results before and after refactoring — including baseline validation, post-refactoring report generation, quantitative before/after metrics comparison, side-by-side flamegraph analysis, regression detection, or creating profiling-comparison-analysis and profiling-final-results documentation. This should trigger for requests such as Verify performance fix; Verify the performance; Verify the memory; Verify the threading; Compare before and after profiling results; Check for performance regressions after refactoring. Part of Plinth Toolkit
How do I install 164-java-profiling-verify?
Run npx skills add https://github.com/jabrena/plinth --skill 164-java-profiling-verify in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/164-java-profiling-verify/ (personal) or .claude/skills/164-java-profiling-verify/ (project).
Which AI agents can use 164-java-profiling-verify?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is 164-java-profiling-verify safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains 164-java-profiling-verify?
It is published by jabrena in jabrena/plinth. It has 336 recorded installs.
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