Perfetto FAQs

Question 1

What is Perfetto MCP and what does it do?

Accepted Answer

Perfetto MCP (Model Context Protocol) is a powerful tool that transforms natural-language prompts into precise Perfetto queries. It allows developers to analyze complex trace data for performance issues, ANRs, and memory leaks without needing to manually write Perfetto SQL.

Question 2

What types of performance problems can Perfetto help me diagnose?

Accepted Answer

Perfetto helps diagnose a wide range of issues, including Application Not Responding (ANRs), CPU hotspots, UI jank, thread contention and synchronization bottlenecks, memory leaks, and Binder IPC performance problems. It provides detailed analysis to pinpoint root causes.

Question 3

Do I need to know Perfetto SQL to use this tool effectively?

Accepted Answer

No, that's the primary advantage of Perfetto! You can simply ask questions or describe your analysis needs in plain English, and Perfetto will automatically generate and execute the necessary Perfetto SQL queries for you.

Question 4

How do I integrate Perfetto MCP into my existing development workflow?

Accepted Answer

Perfetto offers seamless integration with popular IDEs and code editors like Cursor, Claude Code, VS Code, and Codex. You can also install and run it locally via `uvx` or `pip`, making it versatile for various development environments.

Question 5

What information does Perfetto require to perform a trace analysis?

Accepted Answer

To analyze a trace, Perfetto requires the absolute path to your Perfetto trace file (e.g., `/path/to/trace.perfetto-trace`) and the target process/application name (e.g., `com.example.app`) that you wish to investigate.

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