Analyzing Memory Usage and Finding Errors

Neutrino consists of a microkernel (proncto) and various processes. Each process runs in its own virtual memory space. The advantage of using virtual memory is that one process can't corrupt another process's memory space.

• Memory management in QNX Neutrino
  
• Virtual memory
  
• Memory optimization
  
• Process memory
  
• Inspecting your process memory distribution
  
• Performance of heap allocations
  
• Preparing for a memory profiling session
  
• Analyzing allocation patterns
  
• Optimizing heap memory
  
• Memory leaks
  
• Enabling memory leak detection
  
• Inspecting outstanding allocations
  
• Types of allocation overhead
  
• Estimating the average allocation size
  
• Tuning the allocator
  
• Optimizing static and stack memory
  
• Finding memory errors and leaks
  
• Testing an application for memory leaks using the System Information Tool
  
• Using Memory Analysis tooling
  
• Memory leaks
  
• Enabling leak detection
  
• Detecting leaks on demand during program execution
  
• Interpreting leaks
  
• Memory errors
  
• Configuring the IDE for error analysis
  
• Changing error detection options at runtime
  
• Interpreting memory errors
  
• Using Mudflap
  
• Configuring Mudflap to find errors
  
• Options for Mudflap
  
• Mudflap Violations view
  
• Interpreting Mudflap output
  
• The Memory Analysis tool
  
• Advanced topics
  
• Analyzing a running program
  
• Memory analysis of shared objects
  
• GUI interface options and environment variables for the Memory Analysis Tool
  
• Launching your program with Memory Analysis
  
• Launching from the command line with Memory Analysis enabled
  
• Performing a postmortem memory analysis
  
• Attaching to a running process
  
• The Memory Analysis tooling API
  
• Viewing Memory Analysis data
  
• Memory Analysis editor
  
• Selecting data
  
• Controlling the page layout
  
• Controlling the overview
  
• Controlling the detail pane
  
• Allocations tab
  
• Bins tab
  
• Bands tab
  
• Usage tab
  
• Settings tab
  
• Memory Problems view
  
• Memory Problems Filter
  
• Memory Problems Preferences
  
• Viewing statistics for memory problems
  
• Memory Events view
  
• Memory Events Filter
  
• Memory Events Preferences
  
• Viewing statistics for memory events
  
• Memory Backtrace view
  
• Interpreting errors during memory analysis
  
• Illegal deallocation of memory
  
• NULL pointer dereference
  
• Buffer overflow
  
• Using freed memory
  
• Reading uninitialized memory
  
• Resource (memory) leaks
  
• Functions checked for memory errors during memory analysis
  
• Summary of error messages for Memory Analysis
  
• Managing Memory Analysis sessions: The Session view
  
• Opening a session
  
• Deleting a session
  
• Closing a session
  
• Exporting session data
  
• Filtering information for a session
  
• Importing session information
  
• Showing information about a session
  
• Renaming a session
  
• Importing memory analysis data
  
• Importing session information from an XML file
  
• Importing event information
  
• Exporting memory analysis data
  
• Exporting memory analysis session data
  
• Memory result formats
  

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