Coolpad Technology Team

Nov 6, 2021 · Mobile Development

Analysis of Intermittent Unresponsive Touch Events in Feishu Caused by Process D State and Memory Compression

The article investigates why the Feishu app sometimes fails to respond to swipe gestures after a hot start, tracing the issue to the app entering a D (uninterruptible) state during memory compression, and demonstrates how adjusting CPU priority for compression threads can reduce the problem's occurrence.