RISC-V Summit

The Unformatted Trace and Diagnostic Data Packet Encapsulation for RISC-V specification was recently ratified. The standard was developed in response to a need for a standard encapsulation format for Efficient Trace for RISC-V (E-Trace) packets, that would support a variety of widely used transport protocols. However, the resulting standard is broader than this, and is suitable for encapsulating any kind of unformatted diagnostic data.

This presentation explores the properties and benefits of this standard and shows how it can be applied to E-Trace (as well as other types of diagnostic data such as bus utilization metrics, bus or logic analyzer trace and code profiling instrumentation) for transport via AMBA ATB or the Siemens Messaging Infrastructure.

This session covers how simultaneous multithreading (SMT) with RISC-V Hardware threads (harts) increases the throughput efficiency of a processing subsystem for automotive applications.