1e41f4b71Sopenharmony_ci# DFX Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.hiviewdfx.1 System Event Logging Frequency Limit Changed for the write API of the HiSysEvent Module 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ciThis allows the **write** API to adapt to service scenarios that require frequent system event logging. 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci - Changed the maximum number of times the **write** API can be called for system event logging within 5 seconds from 10 to 100. 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Change Impact** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe **write** API is able to adapt to service scenarios that require frequent system event logging. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Key API/Component Changes** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciInvolved APIs: 16e41f4b71Sopenharmony_ci - Rust: hisysevent::write; 17e41f4b71Sopenharmony_ci - JS: hiSysEvent.write; 18e41f4b71Sopenharmony_ci - C++: HiSysEventWrite; 19e41f4b71Sopenharmony_ci - C: HiSysEvent_Write; 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Adaptation Guide** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ciNo additional adaptation is required. 24