Re: [PATCH] dtrace probes for memory manager

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <jd(at)commandprompt(dot)com>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "Zdenek Kotala" <Zdenek(dot)Kotala(at)Sun(dot)COM>
Subject: Re: [PATCH] dtrace probes for memory manager
Date: 2009-11-13 21:22:38
Message-ID: 4AFD79BE020000250002C81B@gw.wicourts.gov
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"Joshua D. Drake" <jd(at)commandprompt(dot)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....)

-Kevin

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