HarmonyOS Developer Technology

Aug 7, 2026 · Mobile Development

HarmonyOS APMS Fault Metrics: Multi-Dimensional App Health Monitoring

This article details HarmonyOS Application Performance Monitoring Service (APMS) fault metrics, explaining access via AppGallery Connect, four core functions — metric query, version comparison, dimension distribution, and TOP problem aggregation — and how real-time crash, freeze, OOM, and resource leak data enable proactive app health inspection.