1# HiCollie 2 3## Overview 4 5Provides the APIs for detecting service thread jank and stuck events. Note that these APIs must be called in non-main threads. The following capabilities are supported:<br>(1) Register a periodic detection task for application service thread stuck events.<br>(2) Register a callback for the detection of application service thread jank events.<br>(3) Report application service thread stuck events. 6 7**Since**: 12 8## Files 9 10| Name| Description| 11| -- | -- | 12| [hicollie.h](capi-hicollie-h.md) | HiCollie provides APIs for detecting service thread stuck and jank events and reporting stuck events.| 13