Memory profiling and leak detection

Tools for measuring how much memory Firefox uses, and for tracking down memory that is never released.

Measuring memory usage

• about:memory
• Memory Reporters
• Are We Slim Yet (AWSY)
• Bloatview

Leak detection

• Leak hunting strategies and tips
• Debugging a “leaked until shutdown” problem using cycle collector logs
• Refcount Tracing and Balancing
• GC and CC logs

Heap profiling with DMD

• Dark Matter Detector (DMD)
• DMD heap scan mode

The DevTools Memory panel

• Memory Tools
• Basic operations
• Aggregate view
• Tree map view
• Dominators
• Dominators view
• DOM allocation example
• Monster example slug