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5 articles
Learn to read Flame Graphs, audit async tasks with Swift Tasks, and push Processor Trace to its limits with a real CLI project that uses Swift Concurrency intensively.
Learn to diagnose performance issues as a scientific process. Master Weight vs Self-Weight, Charge/Prune/Flatten, and scale profiling with xctrace.
Viscerally understand what happens when your code runs. Visualize malloc, free, reference counting, and retain cycles with interactive components.
Understand how your app manages memory, why dSYMs are critical, and how to detect performance issues before opening Instruments.
Learn to think like a performance detective. We break down Instruments from mental models to practical hang resolution and code instrumentation with Signposts.
