Android memory tools and best practices
summary
Android memory management details, concrete tools and actionable steps: use Native Memory Profiler (stack traces of malloc/free) to find native leaks and missing deallocations and run malloc/free instead of custom mmap pools; use heapprofd to compare 32‑bit vs 64‑bit sizes (Tencent finds structure growth of ~10 MB after pointer doubling); detect pointer bugs with Hardware ASan (Android 10+, Pixel flash an AOSP ASan image, disable Play Services, build 64‑bit with modified build.gradle/CMakeLists), and watch OnTrimMemory/adb bugreport for lowmemorykiller kills.
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chapters (6)
- 0:00Android memory management
- 0:48Low memory handling tips
- 1:46Native memory profiling
- 3:25Case study: PUBG Mobile
- 4:20Hardware address sanitizer
- 5:44Implementing hardware ASan
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