Debugging and Instruments

Diagnose crashes, memory leaks, hangs, and performance bottlenecks using LLDB, Xcode Memory Graph Debugger, unified logging/signposts, and Instruments.

Scope Boundary: Route command-line .memgraph analysis to ios-memgraph-analysis and ETTrace tracing to ios-ettrace-performance.

Contents

• LLDB Debugging Workflow
• Memory Graph & Retain Cycles
• Hangs & Signpost Diagnostics
• Instruments Profiling
• iOS 27 Updates
• Common Mistakes
• Review Checklist
• References

LLDB Debugging Workflow