Performance Profiler

Profile Node.js, Python, and Go applications to identify CPU, memory, and I/O bottlenecks.

Updated Mar 4, 2026

Search Tags:#performance #python #optimization #go #profiling #load testing #nodejs

Ready to run

npx skills add https://github.com/Tonybleything76/more-claude-skills --skill performance-profiler-tonybleything76

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Performance Profiler
Source: https://github.com/Tonybleything76/more-claude-skills/tree/main/engineering/performance-profiler
Command: npx skills add https://github.com/Tonybleything76/more-claude-skills --skill performance-profiler-tonybleything76

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps developers systematically identify and resolve performance bottlenecks in their Node.js, Python, and Go applications, ensuring faster and more efficient software.

Core Features & Use Cases

Bottleneck Identification: Pinpoints CPU, memory, and I/O issues using specialized profiling tools.
Optimization Guidance: Provides actionable steps for optimizing code, database queries, and bundle sizes.
Load Testing: Integrates with k6 and Artillery to simulate user traffic and measure performance under stress.
Use Case: Your web application's response time has increased significantly. Use this Skill to profile the backend, identify the slow database queries or inefficient code paths, and implement optimizations.

Quick Start

Use the performance profiler skill to generate a CPU flamegraph for your Node.js application.

Frequently Asked Questions about Performance Profiler

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I identify CPU and memory bottlenecks in my Node.js application?▼

You can identify CPU and memory bottlenecks in Node.js by generating CPU flamegraphs and analyzing memory usage patterns. This Skill provides systematic profiling to pinpoint inefficient code paths and detect memory leaks for targeted optimization.

What is the best way to profile a Python application for slow database queries?▼

The best way to profile Python applications for slow database queries is by using systematic I/O bottleneck identification. This Skill analyzes query execution and provides actionable optimization guidance to resolve database latency issues.

Can I use k6 and Artillery for load testing Go applications?▼

Yes, you can use k6 and Artillery integration to load test Go applications. This Skill simulates user traffic to measure performance under stress, helping verify that your Go backend maintains acceptable response times during peak load.

How do I generate a flamegraph to visualize CPU usage in my backend code?▼

To generate a flamegraph for visualizing CPU usage, you apply specialized profiling tools to your Node.js, Python, or Go code. This Skill processes the runtime data to produce flamegraphs that pinpoint exact CPU bottlenecks requiring optimization.

Does performance profiling require measuring metrics before and after optimization?▼

Yes, performance profiling requires measuring metrics before and after optimization. This Skill emphasizes verifying improvements by comparing baseline performance data against post-optimization results to ensure bottlenecks are actually resolved.

Why does my web application response time increase under heavy traffic?▼

Your web application response time increases under heavy traffic due to CPU, memory, or I/O bottlenecks. This Skill profiles your backend to identify slow database queries or inefficient code paths causing the latency during peak load.