Hello Joel,
On 16/12/2020 22:59, Joel Sherrill wrote:
Hi
First, we have successfully managed to get the user extension and IRQ
trace records off a target and see them on the host. Now I'm wondering
how more of the predefined ones get turned on.
In recorddata.h, I see 100s of events defined for standard RTEMS
operations but there don't appear to be calls which record those
events. How do those get turned on?
the original plan was to add a wrapper library and then use the GNU ld
--wrap feature:
https://lists.rtems.org/pipermail/devel/2019-August/027574.html
This could be used to map the record events to LTTNG user space events:
https://archive.eclipse.org/tracecompass/doc/stable/org.eclipse.tracecompass.doc.user/LTTng-UST-Analyses.html
We haven't tried the GCC option -finstrument-functions but that seems
more geared to user code and wouldn't generate the standard predefined
events.
This works quite well. For custom instrumentation you can use the
rtems_record_line* rtems_record_caller_* functions.
How are the RTEMS_RECORD_xxx that are already defined enabled to be
generated?
There is no out of the box support for them.
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