From owner-freebsd-current@FreeBSD.ORG Thu Dec 20 14:20:19 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 08E1B816; Thu, 20 Dec 2012 14:20:19 +0000 (UTC) (envelope-from freebsd-listen@fabiankeil.de) Received: from smtprelay04.ispgateway.de (smtprelay04.ispgateway.de [80.67.31.31]) by mx1.freebsd.org (Postfix) with ESMTP id 40E038FC13; Thu, 20 Dec 2012 14:20:18 +0000 (UTC) Received: from [84.44.155.174] (helo=fabiankeil.de) by smtprelay04.ispgateway.de with esmtpsa (SSLv3:AES128-SHA:128) (Exim 4.68) (envelope-from ) id 1Tlg97-0004Zw-Mf; Thu, 20 Dec 2012 14:26:45 +0100 Date: Thu, 20 Dec 2012 14:26:00 +0100 From: Fabian Keil To: Alexander Motin Subject: Re: [RFC/RFT] calloutng Message-ID: <20121220142600.22c4796a@fabiankeil.de> In-Reply-To: <50D2F923.2020303@FreeBSD.org> References: <50CCAB99.4040308@FreeBSD.org> <50CE5B54.3050905@FreeBSD.org> <50D03173.9080904@FreeBSD.org> <20121220115629.3379a261@fabiankeil.de> <50D2F923.2020303@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/uFbUm3EGx7QcS.bD5WwSjDW"; protocol="application/pgp-signature" X-Df-Sender: Nzc1MDY3 Cc: FreeBSD Current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2012 14:20:19 -0000 --Sig_/uFbUm3EGx7QcS.bD5WwSjDW Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Alexander Motin wrote: > On 20.12.2012 12:56, Fabian Keil wrote: > > Alexander Motin wrote: > > > >> Experiments with dummynet shown ineffective support for very short > >> tick-based callouts. New version fixes that, allowing to get as many > >> tick-based callout events as hz value permits, while still be able to > >> aggregate events and generating minimum of interrupts. > >> > >> Also this version modifies system load average calculation to fix some > >> cases existing in HEAD and 9 branches, that could be fixed with new > >> direct callout functionality. > >> > >> http://people.freebsd.org/~mav/calloutng_12_17.patch > > > > With this patch (and the previous one, I didn't test the others) > > my mouse cursor is occasionally not reacting for short amounts of > > time (less than a second, but long enough to be noticeable). > > > > Every now and then the window manager (i3-wm) changes window focus > > which could be explained by either phantom keyboard or mouse input, > > or terminal lines are marked as if the cursor was moved with the > > left button pressed. > > > > The problems happen a couple of times per hour but I haven't > > been able to intentionally reproduce them. They only seem to > > occur while I'm moving the cursor, but of course I wouldn't > > otherwise notice a unresponsive cursor anyway. > > > > While the cursor is unresponsive, keyboard input and the rest > > of the system works as expected as far as I can tell. > > > > If I set debug.psm.loglevel=3D4 I get a "psm0: lost interrupt?" > > message once per second when not moving the mouse, however that > > also happens without the patch and thus might be unrelated. > > > > I'm using moused. >=20 > Could you try to revert part of the patch, related to dev/atkbdc? I am=20 > not strong in details of that hardware, but in comments there mention=20 > that they are related. May be lost keyboard interrupts (which polling=20 > rate was increased to 1 second) cause PS/2 mouse delays. =20 I reverted the changes to sys/dev/atkbdc/* about an hour ago and so far it's looking good. I'll report back tomorrow after some more testing. Fabian --Sig_/uFbUm3EGx7QcS.bD5WwSjDW Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlDTEeoACgkQBYqIVf93VJ230wCfUAzgX3NHWp740rDEI6jL1UAN 8oMAoLCRJeaz0RNq13WmT4wlFWjCg/9s =5VtW -----END PGP SIGNATURE----- --Sig_/uFbUm3EGx7QcS.bD5WwSjDW--