# Profiler

> Performance profiling tools reference. Covers Chrome DevTools Performance/Memory, clinic.js flame graphs, cProfile, py-spy, Scalene, memray for Python, Go pprof, Linux perf, Web Vitals, and profiling methodology.

- Skill: `bytesagain/profiler` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add bytesagain/profiler`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/profiler/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bytesagain/profiler

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# Profiler Reference

Performance profiling tools.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Profiling types, methodology |
| `javascript` | DevTools, clinic.js, 0x |
| `python_systems` | cProfile, py-spy, pprof, perf |