On Tue, 2009-01-06 at 19:18 -0600, Mike Abbott wrote: > > I don't see dtrace-dovecot.h included in it. > > dtrace-dovecot.h is generated from dtrace-dovecot.d by the command > "dtrace -h -s $(DTRACE_SOURCE)" in src/lib/Makefile.am. See the > section "BUILDING CODE CONTAINING USDT PROBES" in > http://developer.apple.com/documentation/Darwin/Reference/ManPages/man1/dtrace.1.html > > . Sorry I should have mentioned that up front. > > > Couldn't the DOVECOT_OD_LOOKUP_START() macro be changed > > Unfortunately that's out of my control: those macros are generated. > But I suppose they could be replaced with an intermediate level of > macros that are undefined when not wanted, and combine the enabled- > check and the probe-trigger when wanted, just to remove the in-line > ifdefs.
PostgreSQL is doing something like this: http://archives.postgresql.org/pgsql-patches/2008-02/msg00159.php For example: PG_TRACE2(lwlock__startwait, lockid, mode); Would that be possible with Dovecot too?
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