ByteDance Terminal Technology
Jan 19, 2022 · Mobile Development
Understanding and Optimizing iOS App Freeze and Lag Monitoring with Heimdallr
This article explains the definitions, causes, and monitoring strategies for iOS app freezes and lags, describes the Heimdallr solution based on Runloop event callbacks, discusses ANR and WatchDog handling, and presents practical optimizations and lessons learned for reliable performance monitoring.
ANRHeimdallrMobile Development
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