1# DFX 2 3- [Development of Application Event Logging](hiappevent-guidelines.md) 4- [Development of Distributed Call Chain Tracing](hitracechain-guidelines.md) 5- [HiLog Development (Native)](hilog-guidelines.md) 6- Performance Tracing 7 - [Development of Performance Tracing (ArkTS)](hitracemeter-guidelines.md) 8 - [Development of Performance Tracing (Native)](hitracemeter-native-guidelines.md) 9- Error Management 10 - [Development of Error Manager](errormanager-guidelines.md) 11 - [Development of Application Recovery](apprecovery-guidelines.md) 12- Log Management 13 - [Application Freeze (appfreeze) Log Analysis](appfreeze-guidelines.md) 14 - [Process Crash (cppcrash) Log Analysis](cppcrash-guidelines.md) 15