Barman uses a simple abstraction layer for handling the storage of collected data. Typically, the data that Barman collects is stored in a RAM buffer on the target.
You can choose from the following data storage modes provided:
Data collection stops when the buffer is full. This mode ensures that no collected data is lost, but no further data can be recorded.
Data collection continues after the buffer is full and the oldest data is lost as the newest data overwrites it. This mode gives you control over when the data collection ends.
System Trace Macrocell (STM) data is collected on a DSTREAM device that is connected to the target, or by another similar method. You then dump the STM trace into a host directory, which you can import into Streamline for analysis.
Instrumentation Trace Macrocell (ITM) data is collected on a DSTREAM device that is connected to the target, or by another similar method. You then dump the ITM trace into a host directory, which you can import into Streamline for analysis.