On 20.03.21 01:29, Craig Ringer wrote:
> There is already support for that. See the documentation at the end of
> this page:
> https://www.postgresql.org/docs/devel/dynamic-trace.html#DEFINING-TRACE-POINTS
> <https://www.postgresql.org/docs/devel/dynamic-trace.html#DEFINING-TRACE-POINTS>
>
>
> Pretty sure it won't work right now.
>
> To use systemtap semaphores (the _ENABLED macros) you need to run dtrace
> -g to generate a probes.o then link that into postgres.
>
> I don't think we do that. I'll double check soon.
We do that. (It's -G.)