Crash & Hang Analysis on macOS
Master crash and hang analysis on macOS (arm64) using C++ and Xcode, with a deep focus on interpreting crash reports, Mach exceptions, stack traces, and debug symbols. Learn how to symbolicate raw addresses and map them back to source code, and diagnose hangs using tools like sample, spindump, and Time Profiler. Build a systematic, production-grade workflow to identify root causes such as memory errors, deadlocks, and main-thread blocking in real-world applications.
Course Description
This course provides a practical, system-level approach to crash and hang analysis on macOS (Apple Silicon, arm64) using C++ and Xcode. It covers how macOS crash reports are structured, how to interpret Mach exceptions, and how to analyze stack traces and thread states. It also explains debug symbols and dSYM files, enabling accurate symbolication to map raw memory addresses back to source code.
The course then focuses on hang analysis, where applications become unresponsive without crashing. Using tools such as `sample`, `spindump`, and Time Profiler, it demonstrates how to diagnose issues like deadlocks, thread contention, and main-thread blocking. Each topic is supported by reproducible examples and structured investigation workflows designed for real-world debugging scenarios.
Curriculum
Understand in detail on what is planned under each module
Why Do This Course
Learn proven techniques to diagnose and fix memory issues, crashes, and hangs that impact stability and performance in your C/C++ applications.
Become proficient with Xcode’s debugging and profiling tools to analyze runtime behavior with precision.
Detect complex memory errors such as buffer overflows, use-after-free, and leaks using tools like AddressSanitizer and libgmalloc.
Analyze crash reports, understand Mach exceptions, and perform symbolication to identify root causes of application failures.
Diagnose UI hangs and threading issues using tools like sample, spindump, and Time Profiler.
Gain practical experience with Instruments (Allocations, Leaks, Time Profiler) to deeply analyze memory usage and CPU performance.
Requirements
- Basic knowledge of C++
- Xcode 16.0 on macOS
Reviews
See what other students have to say about the course
Good Course, nice explanation of concepts along with practical application.
Pushp
The course is really well structured and helps a lot
Anusha
learnt a lot of things, especially address sanitizer can be very helpful for memeory issues.
Himanshu
Very Nice Content
Vinay
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Instructor
- Hello! I'm Umar Lone
I've educated and mentored students and professionals globally, leveraging over 20 years of experience in C++, Object-Oriented Programming, Design Patterns, and related technologies. My professional background includes significant contributions to C++, Java, and C# projects with esteemed companies, alongside providing specialized project consultation & mentoring.
My current focus is on delivering comprehensive video courses that distill this extensive knowledge. I specialize in transforming intricate concepts into clear, practical, and actionable insights, supported by real-world examples. This approach is designed to equip you with the necessary clarity and confidence for sustained growth and impactful contributions within your projects and career trajectory.
Begin your learning journey with me now and unlock the advanced understanding and practical expertise essential for making a significant impact in your field.
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