From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!.POSTED!not-for-mail
From: Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups: gmane.emacs.devel
Subject: Re: Strange profiling report
Date: Fri, 14 Oct 2016 09:06:13 -0400
Message-ID: <jwv37jzkrsh.fsf-monnier+gmane.emacs.devel@gnu.org>
References: <CAFgFV9NXZWspH4j0n_0M7AFdJ07XcR31T5N_f7nmzk4-Y6bg7w@mail.gmail.com>
NNTP-Posting-Host: blaine.gmane.org
Mime-Version: 1.0
Content-Type: text/plain
X-Trace: blaine.gmane.org 1476450422 12003 195.159.176.226 (14 Oct 2016 13:07:02 GMT)
X-Complaints-To: usenet@blaine.gmane.org
NNTP-Posting-Date: Fri, 14 Oct 2016 13:07:02 +0000 (UTC)
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)
To: emacs-devel@gnu.org
Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 14 15:06:59 2016
Return-path: <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Envelope-to: ged-emacs-devel@m.gmane.org
Original-Received: from lists.gnu.org ([208.118.235.17])
	by blaine.gmane.org with esmtp (Exim 4.84_2)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1bv2CH-0001Sb-3m
	for ged-emacs-devel@m.gmane.org; Fri, 14 Oct 2016 15:06:49 +0200
Original-Received: from localhost ([::1]:47199 helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>)
	id 1bv2CF-0005T9-NZ
	for ged-emacs-devel@m.gmane.org; Fri, 14 Oct 2016 09:06:47 -0400
Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48157)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1bv2C9-0005Sw-M5
	for emacs-devel@gnu.org; Fri, 14 Oct 2016 09:06:42 -0400
Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1bv2C5-000615-Fe
	for emacs-devel@gnu.org; Fri, 14 Oct 2016 09:06:41 -0400
Original-Received: from [195.159.176.226] (port=57402 helo=blaine.gmane.org)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1bv2C5-0005zh-7o
	for emacs-devel@gnu.org; Fri, 14 Oct 2016 09:06:37 -0400
Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2)
	(envelope-from <ged-emacs-devel@m.gmane.org>) id 1bv2Bw-0007nB-78
	for emacs-devel@gnu.org; Fri, 14 Oct 2016 15:06:28 +0200
X-Injected-Via-Gmane: http://gmane.org/
Original-Lines: 11
Original-X-Complaints-To: usenet@blaine.gmane.org
Cancel-Lock: sha1:C+GytmFELnFw/G6wpaujHoPlE7k=
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]
X-Received-From: 195.159.176.226
X-BeenThere: emacs-devel@gnu.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: "Emacs development discussions." <emacs-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-devel/>
List-Post: <mailto:emacs-devel@gnu.org>
List-Help: <mailto:emacs-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-devel>,
	<mailto:emacs-devel-request@gnu.org?subject=subscribe>
Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org
Original-Sender: "Emacs-devel" <emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org>
Xref: news.gmane.org gmane.emacs.devel:208242
Archived-At: <http://permalink.gmane.org/gmane.emacs.devel/208242>

> The buffer-stale--default-function worries me: how could it use so
> much time ?  Moreover, it is an elisp function, so why the profiler
> doesn't report about the inner functions?

Good questions.  I think you'd need to instrument the code to try and
get more detailed info in order to figure that out.

Seeing how many times it's called might give a bit more of a clue?


        Stefan