Performance analysis

Overview

Use Instruments to detect hangs and hitches in your app, and to analyze long view body updates and frequently occurring SwiftUI updates that can contribute to hangs and hitches.

Topics

Essentials

• Understanding user interface responsiveness
• Understanding hangs in your app
• Understanding hitches in your app

Analyzing SwiftUI performance

• Understanding and improving SwiftUI performance

See Also

Tool support

• Previews in Xcode
• Xcode library customization