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