From: Edgar Toernig <froese@gmx.de>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: Bodo Eggert <7eggert@gmx.de>, Joseph Fannin <jfannin@gmail.com>,
Stas Sergeev <stsp@aknet.ru>,
dtor_core@ameritech.net,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch 1/1] pc-speaker: add SND_SILENT
Date: Fri, 31 Mar 2006 23:06:35 +0200 [thread overview]
Message-ID: <20060331230635.4a11e618.froese@gmx.de> (raw)
In-Reply-To: <20060331074605.GC5871@suse.cz>
Vojtech Pavlik wrote:
>
> On Fri, Mar 31, 2006 at 01:07:34AM +0200, Edgar Toernig wrote:
> >
> > Latency is no problem. I'm using a userspace daemon to emulate
> > the console beeper for about 6 months now and it work's very well.
> >
> > The daemon listens on /dev/input/eventX and when receiving a
>
> It needs to use /dev/input/uinput, not eventX. SND_TONE events are not
> sent to the event devices.
Well, I get them - stock 2.6.16.
> > Latency isn't noticable and memory footprint is small.
>
> It needs to have the sample ready in memory and not swapped out. Then
> the latency will be OK, but if it needs to read it in from the disk, it
> may be very noticeable.
Yeah, if one ever cares one could mlock the samples, or (as I do) run
without swap. Fixing the 'air' latency of 3ms/m is harder though *g*
Ciao, ET.
next prev parent reply other threads:[~2006-03-31 21:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5TCqf-E6-49@gated-at.bofh.it>
[not found] ` <5TCqf-E6-51@gated-at.bofh.it>
[not found] ` <5TCqf-E6-53@gated-at.bofh.it>
[not found] ` <5TCqg-E6-55@gated-at.bofh.it>
[not found] ` <5TCqf-E6-47@gated-at.bofh.it>
2006-03-24 22:43 ` Bodo Eggert
2006-03-26 9:52 ` Stas Sergeev
2006-03-26 11:24 ` Bodo Eggert
2006-03-26 18:46 ` Jan Engelhardt
2006-03-26 20:15 ` Kyle Moffett
2006-03-27 16:34 ` Dmitry Torokhov
2006-03-27 17:36 ` Stas Sergeev
2006-04-08 8:02 ` Stas Sergeev
2006-03-28 18:31 ` Joseph Fannin
2006-03-28 18:43 ` Bodo Eggert
2006-03-28 18:51 ` Vojtech Pavlik
2006-03-30 23:07 ` Edgar Toernig
2006-03-31 7:46 ` Vojtech Pavlik
2006-03-31 21:06 ` Edgar Toernig [this message]
2006-04-01 6:11 ` Vojtech Pavlik
[not found] <200603220652.k2M6qZgi020656@shell0.pdx.osdl.net>
[not found] ` <d120d5000603221332n6a6f9208x5651dc9ec993f4bf@mail.gmail.com>
[not found] ` <4422318C.407@aknet.ru>
[not found] ` <d120d5000603230651p6b43aad9ocad1aa3c2b51b388@mail.gmail.com>
2006-03-23 18:03 ` Stas Sergeev
2006-03-23 18:12 ` Dmitry Torokhov
2006-03-23 18:31 ` Stas Sergeev
2006-03-23 18:47 ` Dmitry Torokhov
2006-03-23 19:34 ` Stas Sergeev
2006-03-23 20:36 ` Dmitry Torokhov
2006-03-24 4:59 ` Stas Sergeev
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