> I'm new to this project, and have no clue about the failure, > could experts at this project provide > > some help about the following failure? > > + sudo babeltrace > /home/runner/work/dpdk/dpdk/build/app/test/suites/rte-2025-04-30-AM-02- > 25-21 > > Error: at line 2819: token "time_t": syntax error, unexpected > IDENTIFIER > Error: Error creating AST > > > I think this time_t type you added is not described in CTF. > Have a look at 2114521cff91 ("trace: fix size_t field emitter"). > > Copying the trace framework maintainers who will have a better idea.
time_t is not defined in CTF spec. See https://diamon.org/ctf/v1.8.3/#specification. You can create new type using typealias with integer or structure as backend type. See meta_data_type_emit() in DPDK code base where we created new types.