---
title: Performance module
description: "Runtime process metrics — CPU, memory, event loop, and GC for instrumented services."
section: Modules
order: 8
updatedAt: 2026-04-27
slug: modules/performance
---
# Performance module

The performance module captures lightweight process-level metrics: CPU, memory, event-loop lag, GC pauses. It is **not** an APM — it complements Datadog/Honeycomb rather than replacing them.