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facebook/FBRetainCycleDetector

0
View on GitHub↗
4,233 stars·606 forks·Objective-C++·21 views

FBRetainCycleDetector

FBRetainCycleDetector is a runtime memory profiling tool and analyzer for iOS applications. It identifies circular references and retain cycles within the Objective-C object graph to prevent memory leaks.

The tool analyzes the live memory heap and inspects runtime metadata to discover object relationships. It identifies closed-loop reference chains, including those involving associated objects and timers, and uses custom logic to filter out known safe cycles from reports.

The project covers memory management capabilities including allocation tracking by class name, runtime object graph analysis, and heap traversal to map connectivity between objects.

Features

  • iOS Memory Leak Detectors - Provides a specialized tool for identifying unfreed objects and retain cycles in iOS applications.
  • iOS Memory Optimization - Monitors object allocations and relationships while an app is running to ensure efficient memory management.
  • Heap Traversal Mechanisms - Iterates through memory addresses to map the connectivity between objects and identify closed-loop reference chains.
  • Runtime Introspection - Leverages the Objective-C runtime to dynamically discover object relationships and property links during execution.
  • Objective-C Runtime Analyzers - Inspects the Objective-C object graph and associated objects to find memory management errors.
  • Retain Cycle Detection - Identifies strong reference cycles in memory-managed environments that prevent objects from being reclaimed.
  • Object Graph Debugging - Analyzes complex networks of related objects at runtime to identify the cause of memory leaks.
  • Allocation Registries - Monitors the creation and existence of object instances by class name to provide candidates for cycle analysis.
  • Allocation Trackers - Monitors instance creation by class name to maintain a registry of candidate objects for leak analysis.
  • Reference Counting - Analyzes ownership patterns and reference counting to resolve leaks caused by strong reference cycles.
  • Runtime Association Trackers - Provides mechanisms to inspect hidden runtime-associated pointers and strong reference associations to identify memory leaks.
  • Memory Profilers - Captures and analyzes heap snapshots to track object allocations and isolate genuine memory leaks.
  • Code Quality - Detects retain cycles at runtime.
  • Memory Analysis - Detect retain cycles at runtime in iOS apps.
  • UI Debugging Tools - Detect retain cycles using runtime analysis.

Star history

Star history chart for facebook/fbretaincycledetectorStar history chart for facebook/fbretaincycledetector

How this analysis was created: This summary and feature list are AI-generated from collected project material and can contain mistakes. Stars, license and language are imported from GitHub. Inclusion does not mean that we have tested or audited this project. Check the source documentation for any feature you depend on. Learn more on our About page.

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Projects sharing features with FBRetainCycleDetector

These projects share indexed features with FBRetainCycleDetector. Shared tags can include platform or build tooling; verify the primary use case before treating a result as a replacement.
  • tencent/mleaksfinderTencent avatar

    Tencent/MLeaksFinder

    5,437View on GitHub↗

    MLeaksFinder is a diagnostic framework and profiling utility designed for the automatic detection of memory leaks and unfreed objects in iOS applications. It functions as a memory leak detector and profiling tool that identifies retain cycles and analyzes object lifecycles for both Swift and Objective-C code. The tool identifies circular dependencies by tracing reference chains and traversing object graphs, starting from a root view controller. It provides precise debugging data by capturing the allocation stacks of leaked objects to trace the origin of the memory leak. The framework include

    Objective-C
    View on GitHub↗5,437
  • samsaffron/memory_profilerSamSaffron avatar

    SamSaffron/memory_profiler

    1,765View on GitHub↗

    Memory Profiler is a diagnostic library for Ruby applications designed to monitor runtime memory consumption and object lifecycles. It provides tools to track object allocations and memory usage, enabling the identification of performance bottlenecks and potential memory leaks that affect software stability. The tool functions by observing memory behavior during program execution, allowing developers to distinguish between short-lived data and objects that persist beyond their intended lifecycle. It captures the execution context of allocations by walking the call stack, which helps attribute

    Ruby
    View on GitHub↗1,765
  • facebook/memlabfacebook avatar

    facebook/memlab

    4,981View on GitHub↗

    Memlab is an automated browser memory profiler and JavaScript memory leak analyzer. It provides a toolkit for detecting and analyzing memory leaks by inspecting and comparing heap snapshots to identify unbound object growth and detached DOM elements. The system distinguishes itself through an automated leak testing framework that executes end-to-end browser interaction sequences to programmatically isolate memory regressions. It utilizes heap snapshot diffing, retainer chain tracing, and heuristic-based filtering to determine why objects remain in memory and to map the shortest path from garb

    TypeScriptdetectore2efacebook
    View on GitHub↗4,981
  • bloomberg/memraybloomberg avatar

    bloomberg/memray

    14,885View on GitHub↗

    Memray is a memory profiler for Python that tracks heap allocations in both Python code and native C or C++ extensions. It captures memory events by hooking into the language runtime and traversing call stacks, providing a comprehensive view of how an application consumes memory. The tool is designed to minimize performance impact on the target application by using thread-local buffering and streaming data to an external process or file. The project distinguishes itself through its ability to monitor complex, multi-threaded systems and child processes in real-time. It provides diagnostic util

    Pythonhacktoberfestmemorymemory-leak
    View on GitHub↗14,885
Compare all 30 related projects→

Frequently asked questions

What does facebook/fbretaincycledetector do?

FBRetainCycleDetector is a runtime memory profiling tool and analyzer for iOS applications. It identifies circular references and retain cycles within the Objective-C object graph to prevent memory leaks.

What are the main features of facebook/fbretaincycledetector?

The main features of facebook/fbretaincycledetector are: iOS Memory Leak Detectors, iOS Memory Optimization, Heap Traversal Mechanisms, Runtime Introspection, Objective-C Runtime Analyzers, Retain Cycle Detection, Object Graph Debugging, Allocation Registries.

Which projects share features with facebook/fbretaincycledetector?

Projects with overlapping indexed features include: tencent/mleaksfinder — MLeaksFinder is a diagnostic framework and profiling utility designed for the automatic detection of memory leaks and… samsaffron/memory_profiler — Memory Profiler is a diagnostic library for Ruby applications designed to monitor runtime memory consumption and… facebook/memlab — Memlab is an automated browser memory profiler and JavaScript memory leak analyzer. It provides a toolkit for… bloomberg/memray — Memray is a memory profiler for Python that tracks heap allocations in both Python code and native C or C++… gperftools/gperftools — gperftools is a collection of specialized tools for profiling CPU usage, detecting memory errors, and providing… odin-lang/odin — Odin is a compiled, statically typed systems programming language designed for high-performance software development.…