Re: [patch] executor and slru dtrace probes

--On 9. Dezember 2009 19:08:07 -0500 Theo Schlossnagle <jesus@omniti.com> 
wrote:

> Now, there was some indication that there was a better place to probe
> that would be more comprehensive -- that should be addressed.

For now there exists no consensus where they should go in. Tom pointed out 
various issues with ExecProcNode() and he's worried about the performance 
penalty those probes might introduce. I admit I'm not very experienced with 
dtrace, but maybe some worries exists because an expensive instrumented 
executor probe can cause forged results?


-- 
Thanks

	Bernd