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Debuggers for safety-critical V2X software development and testing
Tasking
FNet Bridge Multi SoC synchronization enables the coordination of two separate BlueBox debuggers via the FNet communication network. This setup facilitates synchronous debugging and tracing across multiple systems, achieving low-latency synchronization typically within a few microseconds.
The synchronized debug start/stop operations and trace clock propagation through FNet ensure that both systems operate in a coordinated manner, essential for accurate and efficient system analysis and debugging. Performing a synchronized trace recording requires the following steps:
First, alignment of BlueBox time offset, which is necessary for the trace visualization in the profiler timeline view. The time offset alignment aligns the time offset from time 0 to the first trace recording in each profiler timeline. It does not influence the overall trace synchronization accuracy.
Second, the start of both trace recorders, which starts the generation of trace messages on the target. However, as the BlueBox recorder is set to ON Trigger, the BlueBox will not record any trace data until the occurrence of the trace trigger.
Third, Trace Trigger – a trace trigger can be injected either on the slave or on the master winIDEA. The trigger is propagated via FNet to the master and slave BlueBox trace recorders. The propagation delay of the trace trigger via FNet does not influence the accuracy of the overall trace synchronization.
Booth 3064