1e41f4b71Sopenharmony_ci# hicollie.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciDefines APIs for debugging. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**Library**: libohhicollie.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**System capability**: SystemCapability.HiviewDFX.HiCollie 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Since**: 12 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci**Related module**: [HiCollie](_hi_hicollie.md) 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci## Summary 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci### Functions 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci| Name| Description| 24e41f4b71Sopenharmony_ci| -------- | -------- | 25e41f4b71Sopenharmony_ci| HiCollie_ErrorCode [OH_HiCollie_Init_StuckDetection](_hi_hicollie.md#oh_hicollie_init_stuckdetection)(OH_HiCollie_Task task) | Registers a callback to periodically detect service thread stuck events. | 26e41f4b71Sopenharmony_ci| HiCollie_ErrorCode [OH_HiCollie_Init_JankDetection](_hi_hicollie.md#oh_hicollie_init_jankdetection)(OH_HiCollie_BeginFunc\* beginFunc, OH_HiCollie_EndFunc\* endFunc, HiCollie_DetectionParam param) | Registers a callback to detect service thread jank events. To monitor service thread jank events, you can implement two callbacks as instrumentation functions, placing them before and after the service thread processes the event. | 27e41f4b71Sopenharmony_ci| HiCollie_ErrorCode [OH_HiCollie_Report](_hi_hicollie.md#oh_hicollie_report)(bool\* isSixSecond) | Reports service thread stuck events and generates timeout logs to help locate application timeout events. | 28