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Memory Analysis Patterns
Multiple Exceptions (user mode) - Modeling Example
Multiple Exceptions (kernel mode)
Multiple Exceptions (managed space)- Multiple Exceptions (stowed)
Dynamic Memory Corruption (process heap)
Dynamic Memory Corruption (kernel pool)- Dynamic Memory Corruption (managed heap)
False Positive Dump
Lateral Damage
Optimized Code
Invalid Pointer (general)
NULL Pointer (code)
NULL Pointer (data)
Inconsistent Dump
Hidden Exception (user space)- Hidden Exception (kernel space)
- Hidden Exception (managed space)
Deadlock (critical sections)
Deadlock (executive resources)
Deadlock (mixed objects, user space)
Deadlock (LPC)
Deadlock (mixed objects, kernel space)
Deadlock (self)- Deadlock (managed space)
- Deadlock (.NET Finalizer)
Changed Environment
Incorrect Stack Trace
OMAP Code Optimization
No Component Symbols
Insufficient Memory (committed memory)
Insufficient Memory (handle leak)
Insufficient Memory (kernel pool)
Insufficient Memory (PTE)
Insufficient Memory (module fragmentation)
Insufficient Memory (physical memory)
Insufficient Memory (control blocks)- Insufficient Memory (reserved virtual memory)
- Insufficient Memory (session pool)
- Insufficient Memory (stack trace database)
- Insufficient Memory (region)
- Insufficient Memory (stack)
Spiking Thread
Module Variety
Stack Overflow (kernel mode)
Stack Overflow (user mode)
Stack Overflow (software implementation)
Managed Code Exception
Truncated Dump
Waiting Thread Time (kernel dumps)
Waiting Thread Time (user dumps)
Memory Leak (process heap) - Modeling Example
Memory Leak (.NET heap)- Memory Leak (page tables)
- Memory Leak (I/O completion packets)
- Memory Leak (regions)
Missing Thread
Unknown Component
Double Free (process heap)
Double Free (kernel pool)
Coincidental Symbolic Information
Stack Trace- Stack Trace (I/O request)
- Stack Trace (file system filters)
- Stack Trace (database)
- Stack Trace (I/O devices)
Virtualized Process (WOW64)
Stack Trace Collection (unmanaged space)- Stack Trace Collection (managed space)
- Stack Trace Collection (predicate)
- Stack Trace Collection (I/O requests)
- Stack Trace Collection (CPUs)
Coupled Processes (strong)
Coupled Processes (weak)
Coupled Processes (semantics)
High Contention (executive resources)
High Contention (critical sections)
High Contention (processors)- High Contention (.NET CLR monitors)
- High Contention (.NET heap)
Accidental Lock
Passive Thread (user space)
Passive System Thread (kernel space)
Main Thread
Busy System
Historical Information
Object Distribution Anomaly (IRP)- Object Distribution Anomaly (.NET heap)
Local Buffer Overflow
Early Crash Dump
Hooked Functions (user space)
Hooked Functions (kernel space)- Hooked Modules
Custom Exception Handler (user space)
Custom Exception Handler (kernel space)
Special Stack Trace
Manual Dump (kernel)
Manual Dump (process)
Wait Chain (general)
Wait Chain (critical sections)
Wait Chain (executive resources)
Wait Chain (thread objects)
Wait Chain (LPC/ALPC)
Wait Chain (process objects)
Wait Chain (RPC)
Wait Chain (window messaging)
Wait Chain (named pipes)- Wait Chain (mutex objects)
- Wait Chain (pushlocks)
- Wait Chain (CLR monitors)
- Wait Chain (RTL_RESOURCE)
- Wait Chain (modules)
- Wait Chain (nonstandard synchronization)
- Wait Chain (C++11, condition variable)
- Wait Chain (SRW lock)
Corrupt Dump
Dispatch Level Spin
No Process Dumps
No System Dumps
Suspended Thread
Special Process
Frame Pointer Omission
False Function Parameters
Message Box
Self-Dump
Blocked Thread (software)
Blocked Thread (hardware)- Blocked Thread (timeout)
Zombie Processes
Wild Pointer
Wild Code
Hardware Error
Handle Limit (GDI, kernel space)- Handle Limit (GDI, user space)
Missing Component (general)
Missing Component (static linking, user mode)
Execution Residue (unmanaged space)- Execution Residue (managed space)
Optimized VM Layout- Invalid Handle (general)
- Invalid Handle (managed space)
- Overaged System
- Thread Starvation (realtime priority)
- Thread Starvation (normal priority)
- Duplicated Module
- Not My Version (software)
- Not My Version (hardware)
- Data Contents Locality
- Nested Exceptions (unmanaged code)
- Nested Exceptions (managed code)
- Affine Thread
- Self-Diagnosis (user mode)
- Self-Diagnosis (kernel mode)
- Self-Diagnosis (registry)
- Inline Function Optimization (unmanaged code)
- Inline Function Optimization (managed code)
- Critical Section Corruption
- Lost Opportunity
- Young System
- Last Error Collection
- Hidden Module
- Data Alignment (page boundary)
- C++ Exception
- Divide by Zero (user mode)
- Divide by Zero (kernel mode)
- Swarm of Shared Locks
- Process Factory
- Paged Out Data
- Semantic Split
- Pass Through Function
- JIT Code (.NET)
- JIT Code (Java)
- Ubiquitous Component (user space)
- Ubiquitous Component (kernel space)
- Nested Offender
- Virtualized System
- Effect Component
- Well-Tested Function
- Mixed Exception
- Random Object
- Missing Process
- Platform-Specific Debugger
- Value Deviation (stack trace)
- Value Deviation (structure field)
- CLR Thread
- Coincidental Frames
- Fault Context
- Hardware Activity
- Incorrect Symbolic Information
- Message Hooks - Modeling Example
- Coupled Machines
- Abridged Dump
- Exception Stack Trace
- Distributed Spike
- Instrumentation Information
- Template Module
- Invalid Exception Information
- Shared Buffer Overwrite
- Pervasive System
- Problem Exception Handler
- Same Vendor
- Crash Signature
- Blocked Queue (LPC/ALPC)
- Fat Process Dump
- Invalid Parameter (process heap)
- Invalid Parameter (runtime function)
- String Parameter
- Well-Tested Module
- Embedded Comment
- Hooking Level
- Blocking Module
- Dual Stack Trace
- Environment Hint
- Top Module
- Livelock
- Technology-Specific Subtrace (COM interface invocation)
- Technology-Specific Subtrace (dynamic memory)
- Technology-Specific Subtrace (JIT .NET code)
- Technology-Specific Subtrace (COM client call)
- Dialog Box
- Instrumentation Side Effect
- Semantic Structure (PID.TID)
- Directing Module
- Least Common Frame
- Truncated Stack Trace
- Data Correlation (function parameters)
- Data Correlation (CPU times)
- Module Hint
- Version-Specific Extension
- Cloud Environment
- No Data Types
- Managed Stack Trace
- Coupled Modules
- Thread Age
- Unsynchronized Dumps
- Pleiades
- Quiet Dump
- Blocking File
- Problem Vocabulary
- Activation Context
- Stack Trace Set
- Double IRP Completion
- Caller-n-Callee
- Annotated Disassembly (JIT .NET code)
- Handled Exception (user space)
- Handled Exception (.NET CLR)
- Handled Exception (kernel space)
- Duplicate Extension
- Special Thread (.NET CLR)
- Hidden Parameter
- FPU Exception
- Module Variable
- System Object
- Value References
- Debugger Bug
- Empty Stack Trace
- Problem Module
- Disconnected Network Adapter
- Network Packet Buildup
- Unrecognizable Symbolic Information
- Translated Exception
- Regular Data
- Late Crash Dump
- Blocked DPC
- Coincidental Error Code
- Punctuated Memory Leak
- No Current Thread
- Value Adding Process
- Activity Resonance
- Stored Exception
- Spike Interval
- Stack Trace Change
- Unloaded Module
- Deviant Module
- Paratext
- Incomplete Session
- Error Reporting Fault
- First Fault Stack Trace
- Frozen Process
- Disk Packet Buildup
- Hidden Process
- Active Thread (Mac OS X)
- Active Thread (Windows)
- Critical Stack Trace
- Handle Leak
- Module Collection
- Module Collection (predicate)
- Deviant Token
- Step Dumps
- Broken Link
- Debugger Omission
- Glued Stack Trace
- Reduced Symbolic Information
- Injected Symbols
- Distributed Wait Chain
- One-Thread Process
- Module Product Process
- Crash Signature Invariant
- Small Value
- Shared Structure
- Thread Cluster
- False Effective Address
- Screwbolt Wait Chain
- Design Value
- Hidden IRP
- Tampered Dump
- Memory Fluctuation (process heap)
- Last Object
- Rough Stack Trace
- Past Stack Trace
- Ghost Thread
- Dry Weight
- Exception Module
- Reference Leak
- Origin Module
- Hidden Call
- Corrupt Structure
- Software Exception
- Crashed Process
- Variable Subtrace
- User Space Evidence
- Internal Stack Trace
- Distributed Exception (managed code)
- Thread Poset
- Stack Trace Surface
- Hidden Stack Trace
- Evental Dumps
- Clone Dump
- Parameter Flow
- Critical Region
- Diachronic Module
- Constant Subtrace
- Not My Thread
- Window Hint
- Place Trace
- Stack Trace Signature
- Relative Memory Leak
- Quotient Stack Trace
- Module Stack Trace
- Foreign Module Frame
- Unified Stack Trace
- Mirror Dump Set
- Memory Fibration
- Aggregated Frames
- Frame Regularity
- Stack Trace Motif
- System Call
- Stack Trace Race
- Hyperdump
- Disassembly Ambiguity
- Exception Reporting Thread
- Active Space
Software Trace and Memory Dump Analysis: Patterns, Tools, Processes and Best Practices
Presentation of pattern-driven software trace analysis with examples from application and desktop delivery environments at E2E Virtualization Conference (PubForum) in Dublin on 13th of May, 2011.
Topics include a case study covering simultaneous analysis of software traces and memory dumps. The full transcript with extras will be published afterwards.