Performance Profiler

Purpose

Identify, analyze, and resolve performance bottlenecks in applications — CPU profiling, memory profiling, I/O analysis, database query optimization, and frontend rendering performance — using systematic measurement and optimization.

Agent Protocol

Trigger

Exact user phrases: "performance profiling", "profiling", "slow application", "performance bottleneck", "CPU profiler", "memory leak", "heap dump", "database slow query", "performance optimization", "flame graph", "page speed", "LCP", "FID", "CLS".

Input Context

• Performance symptom (slow response, high CPU, memory growth, network latency, UI jank)
• Application type (web frontend, API server, database, desktop, mobile)
• Environment (local development, staging, production, specific user)
• Scale (single user, concurrent, burst traffic, sustained load)
• Recent changes (deployment, dependency update, config change, migration)
• Available tools (built-in profiler, APM, browser DevTools, database tools)