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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: The emacs_backtrace "feature"
Date: Sat, 29 Sep 2012 22:01:12 +0200
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To: Juri Linkov <juri@jurta.org>
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> From: Juri Linkov <juri@jurta.org>
> Cc: Eli Zaretskii <eliz@gnu.org>,  emacs-devel@gnu.org
> Date: Sat, 29 Sep 2012 22:31:27 +0300
> 
> Would be better to increase the number of lines to 24 or 32
> or any other round number.

Instead of guessing, I'd suggest a small research: collect all the
backtraces reported to the bug tracker, and build the historgram of
their sizes.  Then decide based on that.

I would also suggest some heuristics, e.g. if the crash is in GC, the
number will have to be much larger.