perf-profiler

Profile CPU and memory usage to diagnose performance bottlenecks.

1|1|Updated Feb 3, 2026
One-click install
npx skills add https://github.com/gitgoodordietrying/moltbook-app --skill perf-profiler
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: perf-profiler
Source: https://github.com/gitgoodordietrying/moltbook-app/tree/main/skills/perf-profiler
Command: npx skills add https://github.com/gitgoodordietrying/moltbook-app --skill perf-profiler

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Performance bottlenecks across applications can be hard to identify without proper profiling. This Skill provides systematic methods to measure CPU and memory usage, locate hot paths, and spot leaks, enabling targeted optimizations.

Core Features & Use Cases

  • CPU profiling to pinpoint hot functions and code paths.
  • Memory analysis with heap snapshots to detect leaks and growth.
  • Flame graphs to visualize hotspots and optimize bottlenecks.
  • Benchmarking and load testing to validate performance under realistic workloads.
  • Language-specific profiling patterns for Node.js, Python, and Go.

Quick Start

Start by profiling your running application, generate a flame graph, and review the top hot paths to guide optimization.

Frequently Asked Questions about perf-profiler

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

FAQPage Schema
How do I profile CPU and memory usage to find performance bottlenecks?

Profile CPU and memory usage by capturing runtime metrics with language-specific tools to locate hot paths and memory leaks. This Skill provides systematic methods to measure resource consumption, enabling targeted optimizations across codebases, APIs, and services.

How do I generate a flame graph to visualize application hotspots?

Generate a flame graph by profiling your running application and visualizing the collected stack traces. This Skill helps you create flame graphs to pinpoint hot functions and code paths, visually highlighting bottlenecks to guide your optimization efforts.

Does this profiling approach work with Node.js, Python, and Go runtimes?

Yes, this profiling approach works with Node.js, Python, and Go runtimes. It requires specific tooling like the Node.js V8 inspector, Python profilers such as cProfile and memory_profiler, and Go pprof on compatible Linux, macOS, or Windows environments.

Can I run load testing and benchmarking to validate performance under workloads?

Yes, you can run load testing and benchmarking to validate performance under realistic workloads. This Skill enables you to simulate traffic and measure how your application behaves, ensuring stability and identifying degradation before production deployment.

What is the best way to detect memory leaks using heap snapshots?

Detect memory leaks by analyzing heap snapshots to spot unexpected memory growth and orphaned objects. This Skill provides memory analysis patterns that help you compare snapshots over time, identifying leaks within your application's lifecycle.

Why does my application have slow performance and how do I locate the hot paths?

Slow performance often stems from inefficient code paths and resource bottlenecks. You can locate hot paths by CPU profiling your application, which pinpoints the exact functions consuming the most execution time and guides your targeted optimizations.