Accelerated .NET Memory Dump Analysis
Accelerated .NET Memory Dump Analysis
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Accelerated .NET Memory Dump Analysis

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Completed on 2019-12-26

About the Book

The full transcript of Software Diagnostics Services training with 13 step-by-step exercises, notes, source code of specially created modelling applications and selected Q&A. Covers 22 .NET memory dump analysis patterns plus additional 11 unmanaged patterns. Learn how to analyse CLR 4 .NET application and service crashes and freezes, navigate through memory dump space (managed and unmanaged code) and diagnose corruption, leaks, CPU spikes, blocked threads, deadlocks, wait chains, resource contention, and much more. The training consists of practical step-by-step exercises using Microsoft WinDbg debugger to diagnose patterns in 64-bit and 32-bit process memory dumps. The training uses a unique and innovative pattern-oriented analysis approach to speed up the learning curve. The third edition was fully reworked to use the latest WinDbg version and Windows 10. It also includes 9 optional legacy exercises from the previous editions covering CLR 2 and 4, Windows Vista and Windows 7. Prerequisites: Basic .NET programming and debugging. Audience: Software technical support and escalation engineers, system administrators, DevOps, performance and reliability engineers, software developers and quality assurance engineers.

About the Author

Dmitry Vostokov
Dmitry Vostokov

Dmitry Vostokov is an internationally recognized expert, speaker, educator, scientist and author. He is the founder of pattern-oriented software diagnostics, forensics and prognostics discipline and Software Diagnostics Institute. Vostokov has also authored more than 50 books on software diagnostics, anomaly detection and analysis, software and memory forensics, root cause analysis and problem solving, memory dump analysis, debugging, software trace and log analysis, reverse engineering and malware analysis. He has more than 25 years of experience in software architecture, design, development and maintenance in a variety of industries including leadership, technical and people management roles. Dmitry also founded Syndromatix, Anolog.io, BriteTrace, DiaThings, Logtellect, OpenTask Iterative and Incremental Publishing and Software Diagnostics Technology and Services (former Memory Dump Analysis Services) and Software Prognostics. In his spare time, he presents various topics on Debugging TV and explores Software Narratology, its further development as Narratology of Things and Diagnostics of Things (DoT), and Software Pathology. His current areas of interest are theoretical software diagnostics and its mathematical and computer science foundations, application of artificial intelligence, machine learning and data mining to diagnostics and anomaly detection, software diagnostics engineering and diagnostics-driven development, diagnostics workflow and interaction.

Table of Contents

About the Author 5

Introduction 7

Practice Exercises 23

Exercise 0: Download, setup and verify your WinDbg installation 28

Exercise PN1: Analysis of an application process dump (ApplicationA, 64-bit) 37

Exercise PN2: Analysis of an application process dump (ApplicationA, 32-bit) 56

Exercise PN3: Analysis of an application process dump (LINQPadB, 64-bit) 72

Exercise PN4: Analysis of an application process dump (LINQPadB, 32-bit) 95

Exercise PN5: Analysis of an application process dump (LINQPadC, 64-bit) 118

Exercise PN6: Analysis of an application process dump (LINQPadC, 32-bit) 133

Exercise PN7: Analysis of an application process dump (ApplicationD, 64-bit) 152

Exercise PN8: Analysis of an application process dump (ApplicationD, 32-bit) 179

Exercise PN9: Analysis of an application process dump (LINQPadD, 64-bit) 194

Exercise PN10: Analysis of an application process dump (LINQPadD, 32-bit) 210

Exercise PN11: Analysis of an application process dump (LINQPadE, 64-bit) 227

Exercise PN12: Analysis of an application process dump (LINQPadE, 32-bit) 237

Legacy Exercises 253

Exercise Legacy.0: Download, setup and verify your WinDbg installation 255

Exercise Legacy.PN1: Analysis of an application process dump (ApplicationA, 32-bit, CLR2) 260

Exercise Legacy.PN2: Analysis of an application process dump (ApplicationA, 32-bit, CLR4) 270

Exercise Legacy.PN3: Analysis of an application process dump (LINQPadB, 64-bit, CLR4) 284

Exercise Legacy.PN4: Analysis of an application process dump (LINQPadB, 32-bit, CLR2) 306

Exercise Legacy.PN5: Analysis of an application process dump (LINQPadC, 64-bit, CLR4) 324

Exercise Legacy.PN6: Analysis of an application process dump (LINQPadC, 32-bit, CLR4) 344

Exercise Legacy.PN7: Analysis of an application process dump (LINQPadD, 32-bit, CLR4) 364

Exercise Legacy.PN8: Analysis of an application process dump (LINQPadE, 32-bit, CLR4) 403

Application Source Code 413

ApplicationA 415

LinqB 416

LinqC 417

ApplicationD 419

LinqD 421

LinqE 423

Selected Q&A 425

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