• Launching Instruments

• Creating a Trace Document

• A Tour of the Trace Document Window

• Example: Performing a Quick Trace

• What’s Next?

• Using the Instrument Library

• Changing the Library View Mode

• Finding an Instrument in the Library

• Creating Custom Instrument Groups

• Creating a Static Group

• Creating a Smart Group

• Adding and Removing Instruments

• Configuring an Instrument

• Choosing Which Process to Trace

• Tracing All Processes

• Attaching to an Existing Process

• Launching an Executable from Instruments

• Specifying a Different Target for Each Instrument

• Recording Trace Data

• Launching Instruments Using Quick Start Keys

• Running in Mini Mode

• Running Instruments from Xcode

• Recording a User Interface Track

• Rerecording a User Interface Track

• Replaying a User Interface Track

• Tools for Viewing Data

• The Track Pane

• Viewing Trace Runs

• Displaying Multiple Data Sets for an Instrument

• Changing the Display Style of a Track

• Zooming in the Track Pane

• The Detail Pane

• Changing the Display Style of the Detail Pane

• Sorting in the Detail Pane

• Searching in the Detail Pane

• Viewing Data for a Range of Time

• The Extended Detail Pane

• The Run Browser

• Analysis Techniques

• Analyzing Data with the Sampler Instrument

• Analyzing the Call Stack Data

• Filtering the Contents of the Detail Pane

• Analyzing Data with the ObjectAlloc Instrument

• Analyzing the Object Allocation Data

• Tracking Reference Counting Events

• Filtering the Contents of the Detail Pane

• Looking for Memory Leaks

• Analyzing Core Data Applications

• Saving a Trace Document

• Saving an Instruments Trace Template

• Exporting Track Data

• Importing Data from the Sample Tool

• Working With DTrace Data

• About Custom Instruments

• Creating a Custom Instrument

• Adding and Deleting Probes

• Specifying the Probe Provider

• Adding Predicates to a Probe

• Adding Actions to a Probe

• Tips for Writing Custom Scripts

• Writing BEGIN and END Scripts

• Accessing Kernel Data from Custom Scripts

• Scoping Variables Appropriately

• Finding Script Errors

• Exporting DTrace Scripts

• Core Data

• Core Data Saves

• Core Data Fetches

• Core Data Faults

• Core Data Cache Misses

• File System

• File Locks

• File Attributes

• File Activity

• Directory I/O

• Garbage Collection

• GC Total

• Garbage Collection

• Graphics

• OpenGL Driver

• Input/Output

• Reads/Writes

• Master Tracks

• User Interface

• Memory

• Shared Memory

• ObjectAlloc

• Leaks

• System

• Spin Monitor

• Sampler

• Process

• Network Activity Monitor

• Memory Monitor

• Disk Monitor

• CPU Monitor

• Activity Monitor

• Threads/Locks

• Java Thread

• User Interface

• Cocoa Events

• Carbon Events