From: pavel@suse.cz (Pavel Machek)
To: Henrique de Moraes Holschuh <hmh@debian.org>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
lm-sensors@lm-sensors.org, linux-kernel@vger.kernel.org,
hdaps-devel@lists.sourceforge.net,
Stelian Pop <stelian@popies.net>,
Michael Hanselmann <linux-kernel@hansmi.ch>
Subject: [lm-sensors] Generic interface for accelerometers (AMS, HDAPS,
Date: Thu, 06 Jul 2006 01:12:22 +0000 [thread overview]
Message-ID: <20060706011222.GA5303@elf.ucw.cz> (raw)
In-Reply-To: <20060705135816.GA8452@khazad-dum.debian.net>
Hi!
> > > > I don't know about AMS, but talking to HDAPS when
> > > > you don't need to does waste enough system resources and power to actually
> > > > justify implementing this.
> >
> > I'd doubt any of the accelerometer implementations would consume much
> > power or CPU.
Actually polling at 100Hz probably _is_ going to be measurable on
modern CPUs -- because it means that CPU has to exit C4. It will not
be too bad, hopefully.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@suse.cz>
To: Henrique de Moraes Holschuh <hmh@debian.org>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
lm-sensors@lm-sensors.org, linux-kernel@vger.kernel.org,
hdaps-devel@lists.sourceforge.net,
Stelian Pop <stelian@popies.net>,
Michael Hanselmann <linux-kernel@hansmi.ch>
Subject: Re: Generic interface for accelerometers (AMS, HDAPS, ...)
Date: Thu, 6 Jul 2006 03:12:22 +0200 [thread overview]
Message-ID: <20060706011222.GA5303@elf.ucw.cz> (raw)
In-Reply-To: <20060705135816.GA8452@khazad-dum.debian.net>
Hi!
> > > > I don't know about AMS, but talking to HDAPS when
> > > > you don't need to does waste enough system resources and power to actually
> > > > justify implementing this.
> >
> > I'd doubt any of the accelerometer implementations would consume much
> > power or CPU.
Actually polling at 100Hz probably _is_ going to be measurable on
modern CPUs -- because it means that CPU has to exit C4. It will not
be too bad, hopefully.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2006-07-06 1:12 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-03 12:48 [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, ...) Henrique de Moraes Holschuh
2006-07-03 12:48 ` Henrique de Moraes Holschuh
2006-07-04 7:59 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Pavel Machek
2006-07-04 7:59 ` Generic interface for accelerometers (AMS, HDAPS, ...) Pavel Machek
2006-07-04 10:26 ` [lm-sensors] [Hdaps-devel] Generic interface for accelerometers Shem Multinymous
2006-07-04 10:26 ` [Hdaps-devel] Generic interface for accelerometers (AMS, HDAPS, ...) Shem Multinymous
2006-07-04 10:33 ` [lm-sensors] [Hdaps-devel] Generic interface for accelerometers Shem Multinymous
2006-07-04 10:57 ` Pavel Machek
2006-07-04 10:57 ` [Hdaps-devel] Generic interface for accelerometers (AMS, HDAPS, ...) Pavel Machek
2006-07-04 15:02 ` Thomas Tuttle
2006-07-05 3:13 ` [lm-sensors] [Hdaps-devel] Generic interface for accelerometers Dmitry Torokhov
2006-07-05 3:13 ` [Hdaps-devel] Generic interface for accelerometers (AMS, HDAPS, ...) Dmitry Torokhov
2006-07-05 8:00 ` [lm-sensors] [Hdaps-devel] Generic interface for accelerometers Johannes Berg
2006-07-05 8:00 ` [Hdaps-devel] Generic interface for accelerometers (AMS, HDAPS, ...) Johannes Berg
2006-07-05 14:06 ` [lm-sensors] [Hdaps-devel] Generic interface for accelerometers Henrique de Moraes Holschuh
2006-07-05 14:06 ` [Hdaps-devel] Generic interface for accelerometers (AMS, HDAPS, ...) Henrique de Moraes Holschuh
2006-07-04 16:23 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Henrique de Moraes Holschuh
2006-07-04 16:23 ` Generic interface for accelerometers (AMS, HDAPS, ...) Henrique de Moraes Holschuh
2006-07-04 23:57 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Pavel Machek
2006-07-04 23:57 ` Generic interface for accelerometers (AMS, HDAPS, ...) Pavel Machek
2006-07-05 7:34 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Vojtech Pavlik
2006-07-05 7:34 ` Generic interface for accelerometers (AMS, HDAPS, ...) Vojtech Pavlik
2006-07-05 13:58 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Henrique de Moraes Holschuh
2006-07-05 13:58 ` Generic interface for accelerometers (AMS, HDAPS, ...) Henrique de Moraes Holschuh
2006-07-06 1:12 ` Pavel Machek [this message]
2006-07-06 1:12 ` Pavel Machek
2006-07-05 7:59 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Jean Delvare
2006-07-05 7:59 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, ...) Jean Delvare
[not found] <fa.GOQkHC8inXir2wbg4bZayOWXzAY@ifi.uio.no>
[not found] ` <fa.qLWuLxQd7Mhcnixy/TLVs/nPwig@ifi.uio.no>
2006-07-05 23:59 ` [lm-sensors] Generic interface for accelerometers (AMS, HDAPS, Robert Hancock
2006-07-06 6:19 ` Vojtech Pavlik
2006-07-07 2:46 ` Henrique de Moraes Holschuh
2006-07-07 5:28 ` Robert Hancock
2006-07-07 9:31 ` Vojtech Pavlik
[not found] <fa.+TBrYxvBPaXCptm9JXDjMT6wk58@ifi.uio.no>
[not found] ` <fa.KtXXXVDoa0Coj62aBgf3NuqbZMo@ifi.uio.no>
2006-07-07 1:40 ` Robert Hancock
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