HarmonyOS Developer Technology
Aug 19, 2026 · Mobile Development
HarmonyOS 6 Diagnostic Tools Deep Dive: Pinpoint App Stability Issues from Memory Leaks to Freezes
This article details six HarmonyOS diagnostic tools—GWPAsan for buffer overflows, AppFreeze enhanced logs for main-thread stalls, JSLeakWatcher for ArkTS memory leaks, AppFreeze-Analysis for AI-driven freeze diagnosis, APMS for proactive alerting, and DevEco Profiler for native memory leaks—explaining each tool's mechanism, core value, and target scenarios to help developers quickly resolve stability issues.
AppFreezeDevEco ProfilerGWPAsan
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