From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Jason Rumney Newsgroups: gmane.emacs.devel Subject: Re: 100% CPU on TCP servers Date: Sat, 10 Sep 2005 08:47:06 +0100 Message-ID: References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1126340223 15934 80.91.229.2 (10 Sep 2005 08:17:03 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Sat, 10 Sep 2005 08:17:03 +0000 (UTC) Cc: Emacs Devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Sep 10 10:16:58 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EE0X3-00045P-U2 for ged-emacs-devel@m.gmane.org; Sat, 10 Sep 2005 10:16:18 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EE0X2-00087R-Vx for ged-emacs-devel@m.gmane.org; Sat, 10 Sep 2005 04:16:17 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EE0Pg-0006Tm-GO for emacs-devel@gnu.org; Sat, 10 Sep 2005 04:08:40 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EE0Mr-00063a-UC for emacs-devel@gnu.org; Sat, 10 Sep 2005 04:05:48 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EE0J7-0005In-LO for emacs-devel@gnu.org; Sat, 10 Sep 2005 04:01:53 -0400 Original-Received: from [194.106.33.237] (helo=outmail.freedom2surf.net) by monty-python.gnu.org with esmtp (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA:24) (Exim 4.34) id 1EE06I-0002IE-PR for emacs-devel@gnu.org; Sat, 10 Sep 2005 03:48:39 -0400 Original-Received: from wanchan.jasonrumney.net (i-83-67-23-108.freedom2surf.net [83.67.23.108]) by outmail.freedom2surf.net (8.12.10/8.12.10) with ESMTP id j8A7mQch025402; Sat, 10 Sep 2005 08:48:26 +0100 Original-Received: from TONKOTSU-RAMEN (tonkotsu-ramen.jasonrumney.net [10.0.0.28]) by wanchan.jasonrumney.net (Postfix) with ESMTP id 83CDBDDD56; Sat, 10 Sep 2005 08:48:26 +0100 (BST) Original-To: Juanma Barranquero In-Reply-To: (Juanma Barranquero's message of "Thu, 18 Aug 2005 17:51:41 +0200") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (windows-nt) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:42801 Archived-At: Juanma Barranquero writes: > (A question for process-savvy people) > > It seems like > >> (make-network-process :name "test" :server t :service t) > > on Windows makes the server process to call server_accept_connection() > continuously (in a 2.8 GHz Pentium IV I've measured around 10,200 > calls in 3,5 s, almost 2,900 calls per second). It's no wonder Emacs > is munching 50% CPU. > > Any idea why that can be happening? Probably a bug in sys_select() in w32proc.c