> I'm having a problem with USDT probes on FreeBSD. What probes should the > child process have when the parent is the one who installs USDT probes? > I see a problem with postgresql where drti.o installs the USDT probes but > then postgresql forks and the new child(s) don't install any new probes. From > my understand of the code, this was expected. > > Any idea what should be happening here?
When a process with registered USDT probes forks, those probes should be copied into the child process. We do this from cfork() where the interesting part is here: http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/common/dtrace/dtrace.c#dtrace_helpers_duplicate Adam _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
