Re: [PATCH] dtrace probes for memory manager

Joshua D. Drake <jd@commandprompt.com>

From: "Joshua D. Drake" <jd@commandprompt.com>
To: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>, Zdenek Kotala <Zdenek.Kotala@Sun.COM>
Date: 2009-11-13T21:25:33Z
Lists: pgsql-hackers
On Fri, 2009-11-13 at 15:22 -0600, Kevin Grittner wrote:
> "Joshua D. Drake" <jd@commandprompt.com> wrote:
>  
> > Is it possible to have a set of probes that would only be enabled
> > with say, --enable-debug compile time option?
>  
> But we routinely build with that for normal production use so that if
> we get a core dump or need to backtrace a problem process, we will get
> meaningful results.  Please don't create a performance penalty for
> compiling with debug info.  (We'd probably wind up disabling it....)

Good point but I still say that the probes are useful. I am not sure we
have a good compile time flag for it right now but it seems that would
be the way to do it.

Joshua D. Drake


>  
> -Kevin
> 


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