From: storm@cua.dk (Kim F. Storm)
Cc: Juanma Barranquero <lekktu@gmail.com>, Emacs Devel <emacs-devel@gnu.org>
Subject: Re: 100% CPU on TCP servers
Date: Sun, 11 Sep 2005 01:01:35 +0200 [thread overview]
Message-ID: <m31x3wy1bk.fsf@kfs-l.imdomain.dk> (raw)
In-Reply-To: <ur7bxmkjp.fsf@jasonrumney.net> (Jason Rumney's message of "Sat, 10 Sep 2005 08:47:06 +0100")
Jason Rumney <jasonr@gnu.org> writes:
> Juanma Barranquero <lekktu@gmail.com> 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
Sounds like it, indeed!
Juanma or Jason, could you try to single step through it to see why
it fails to wait on the server socket...
--
Kim F. Storm <storm@cua.dk> http://www.cua.dk
next prev parent reply other threads:[~2005-09-10 23:01 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-06 18:38 100% CPU on TCP servers Juanma Barranquero
2005-08-18 15:51 ` Juanma Barranquero
2005-09-09 12:53 ` Kim F. Storm
2005-09-09 15:25 ` Juanma Barranquero
2005-09-10 7:47 ` Jason Rumney
2005-09-10 23:01 ` Kim F. Storm [this message]
2005-10-12 15:07 ` Kim F. Storm
2005-10-12 22:42 ` Juanma Barranquero
2006-07-13 22:35 ` 100% CPU on TCP servers (on Windoze) Kim F. Storm
2006-07-14 8:15 ` Jason Rumney
2006-07-14 9:54 ` Kim F. Storm
2006-07-14 10:54 ` Juanma Barranquero
2006-07-14 9:51 ` Jason Rumney
2006-07-14 10:23 ` Kim F. Storm
2006-07-14 10:43 ` Jason Rumney
2006-07-14 11:14 ` Eli Zaretskii
2006-07-14 10:50 ` Juanma Barranquero
2006-07-14 11:16 ` Kim F. Storm
2006-07-14 11:42 ` Kim F. Storm
2006-07-14 12:27 ` Juanma Barranquero
2006-07-14 13:08 ` Eli Zaretskii
2006-07-14 13:59 ` Jason Rumney
2006-07-14 14:22 ` Kim F. Storm
2006-07-14 14:41 ` Jason Rumney
2006-07-14 17:29 ` Eli Zaretskii
2006-07-14 18:12 ` Stefan Monnier
2006-07-14 15:43 ` Stuart D. Herring
2006-07-14 13:24 ` Kim F. Storm
2006-07-14 13:40 ` Eli Zaretskii
2006-07-14 14:04 ` Kim F. Storm
2006-07-14 15:28 ` Juanma Barranquero
2006-07-14 22:07 ` Kim F. Storm
2006-07-14 23:23 ` Juanma Barranquero
2006-07-15 0:50 ` Kim F. Storm
2006-07-15 2:09 ` Juanma Barranquero
2006-07-15 9:05 ` Eli Zaretskii
2006-07-15 13:54 ` Juanma Barranquero
2006-07-15 14:59 ` Stefan Monnier
2006-07-15 15:30 ` Juanma Barranquero
2006-07-15 20:38 ` Eli Zaretskii
2006-07-15 22:07 ` Stefan Monnier
2006-07-15 17:16 ` Richard Stallman
2006-07-15 2:04 ` Stefan Monnier
2006-07-15 2:11 ` Juanma Barranquero
2006-07-15 11:52 ` Stefan Monnier
2006-07-15 13:50 ` Juanma Barranquero
2006-07-15 14:58 ` Stefan Monnier
2006-07-15 15:24 ` Juanma Barranquero
2006-07-15 22:02 ` Stefan Monnier
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