On 7 Sep 2010, at 17:38, Adam Leventhal wrote: >> 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
This makes more sense now. Thanks! Regards, -- Rui Paulo _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
