Chapter 24

  1. What does the Time Profiler do?

c) Shows you how much time is spent in certain methods.

  1. What does the Allocations instrument do?

a) Shows you your app's memory usage over time.

  1. Which of the following does not necessarily indicate a memory leak?

a) Growing memory in the memory graph.

  1. What does Xcode's memory debugger show you?

b) The relationship between different objects that are in memory.

  1. What are is signpost logging?

a) A low-overhead log to measure your app's performance.

  1. Which elements does an Instruments Package have?

a) Metadata, a schema, and the instrument itself.