From: Vojtech Pavlik <vojtech@suse.cz>
To: Shem Multinymous <multinymous@gmail.com>
Cc: "Valdis.Kletnieks@vt.edu" <Valdis.Kletnieks@vt.edu>,
Pavel Machek <pavel@suse.cz>, "Brown, Len" <len.brown@intel.com>,
Matthew Garrett <mjg59@srcf.ucam.org>,
kernel list <linux-kernel@vger.kernel.org>,
linux-thinkpad@linux-thinkpad.org, linux-acpi@vger.kernel.org
Subject: Re: Generic battery interface
Date: Sat, 29 Jul 2006 12:17:30 +0200 [thread overview]
Message-ID: <20060729101730.GA7438@suse.cz> (raw)
In-Reply-To: <41840b750607290248r5999d1fen41f9d3044d385857@mail.gmail.com>
On Sat, Jul 29, 2006 at 12:48:51PM +0300, Shem Multinymous wrote:
> I don't think "update frequency" is a good abstraction. The hardware's
> update may not be variable and irrregular (e.g., event-based), and
> there's there's an issue of phase sync to avoid unnecessary latency.
>
> The lazy polling approach I described in my last post to Vojtech
> ("block until there's a new readout or N milliseconds have passed,
> whichever is later") looks like a more general, accurate and efficient
> interface.
If "N" is given by the kernel, then it's identical to an event-based
approach. ;) Just described in different words.
--
Vojtech Pavlik
Director SuSE Labs
next prev parent reply other threads:[~2006-07-29 10:17 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-27 20:06 Generic battery interface Brown, Len
2006-07-27 20:06 ` Brown, Len
2006-07-27 20:32 ` Shem Multinymous
2006-07-27 23:24 ` Vojtech Pavlik
2006-07-28 0:27 ` Shem Multinymous
2006-07-28 0:36 ` Matthew Garrett
2006-07-28 7:42 ` Vojtech Pavlik
2006-07-28 12:25 ` Pavel Machek
2006-07-28 13:43 ` Vojtech Pavlik
2006-07-28 15:38 ` Shem Multinymous
2006-07-28 15:57 ` Valdis.Kletnieks
2006-07-28 22:10 ` Shem Multinymous
2006-07-28 23:14 ` Valdis.Kletnieks
2006-07-29 9:48 ` Shem Multinymous
2006-07-29 10:17 ` Vojtech Pavlik [this message]
2006-07-29 10:30 ` Shem Multinymous
2006-07-29 10:37 ` Mark Underwood
2006-07-29 10:37 ` Mark Underwood
2006-07-29 11:35 ` Shem Multinymous
2006-07-30 8:35 ` Valdis.Kletnieks
2006-07-30 11:44 ` Vojtech Pavlik
2006-07-30 11:48 ` Shem Multinymous
2006-07-31 0:58 ` Valdis.Kletnieks
2006-07-31 1:34 ` Shem Multinymous
2006-07-30 9:18 ` Pavel Machek
2006-07-30 10:14 ` Shem Multinymous
2006-07-30 11:33 ` Shem Multinymous
2006-07-28 12:25 ` Dmitry Torokhov
2006-07-28 13:44 ` Vojtech Pavlik
2006-07-28 15:19 ` Shem Multinymous
2006-07-28 16:10 ` Dmitry Torokhov
2006-07-30 8:55 ` Greg KH
2006-07-30 9:52 ` Shem Multinymous
2006-07-30 11:47 ` Vojtech Pavlik
2006-07-30 12:50 ` Shem Multinymous
2006-07-30 14:29 ` Tomasz Torcz
2006-07-30 14:48 ` Shem Multinymous
2006-07-30 11:46 ` Vojtech Pavlik
2006-07-28 15:14 ` Shem Multinymous
2006-07-28 20:23 ` Vojtech Pavlik
2006-07-28 22:48 ` Shem Multinymous
2006-07-28 23:17 ` Pavel Machek
2006-07-29 10:36 ` Vojtech Pavlik
2006-07-29 11:32 ` Shem Multinymous
2006-07-29 12:04 ` Vojtech Pavlik
2006-07-29 12:51 ` Shem Multinymous
2006-07-29 13:42 ` Vojtech Pavlik
2006-07-30 9:00 ` Greg KH
2006-07-29 21:06 ` Shem Multinymous
2006-07-30 10:05 ` Pavel Machek
2006-07-30 10:34 ` Shem Multinymous
2006-07-30 10:37 ` Pavel Machek
2006-07-30 18:37 ` Shem Multinymous
[not found] ` <20060731113735.GA22081@creature.apm.etc.tu-bs.de>
2006-07-31 15:18 ` [ltp] " Shem Multinymous
[not found] ` <20060731183719.GB22081@creature.apm.etc.tu-bs.de>
2006-07-31 22:45 ` Shem Multinymous
[not found] ` <20060801114303.GA13000@creature.apm.etc.tu-bs.de>
2006-08-02 21:59 ` Shem Multinymous
2006-07-31 21:35 ` Jean Delvare
2006-07-31 22:34 ` Shem Multinymous
2006-07-31 23:01 ` Pavel Machek
2006-08-02 7:18 ` Jean Delvare
2006-08-02 7:46 ` Marek Wawrzyczny
2006-08-03 11:29 ` Thomas Renninger
2006-08-03 16:33 ` Pavel Machek
2006-07-27 22:16 ` Pavel Machek
2006-07-27 22:56 ` Shem Multinymous
2006-07-27 23:08 ` Greg KH
2006-07-27 23:24 ` Pavel Machek
2006-07-27 23:24 ` [lm-sensors] " Pavel Machek
2006-07-30 12:29 ` Jean Delvare
2006-07-30 12:29 ` [lm-sensors] " Jean Delvare
2006-08-02 19:51 ` Pavel Machek
2006-08-02 19:51 ` [lm-sensors] " Pavel Machek
2006-08-03 9:20 ` Jean Delvare
2006-08-03 9:20 ` [lm-sensors] " Jean Delvare
2006-07-27 22:56 ` Greg KH
2006-07-27 23:31 ` Vojtech Pavlik
2006-07-28 0:35 ` Shem Multinymous
2006-07-28 10:11 ` Vojtech Pavlik
-- strict thread matches above, loose matches on Subject: below --
2006-07-28 4:05 Brown, Len
2006-07-28 4:05 ` Brown, Len
2006-07-28 8:22 ` Johan Vromans
2006-07-28 8:22 ` Johan Vromans
2006-07-28 9:58 ` Matthew Garrett
2006-07-28 10:10 ` Vojtech Pavlik
2006-07-28 12:21 ` Pavel Machek
2006-07-28 14:13 ` Shem Multinymous
2006-07-27 23:20 Brown, Len
2006-07-27 23:20 ` Brown, Len
2006-07-28 0:10 ` Shem Multinymous
2006-07-27 15:40 Brown, Len
2006-07-27 15:40 ` Brown, Len
2006-07-27 16:23 ` Shem Multinymous
2006-07-27 16:50 ` Daniel Barkalow
2006-07-27 20:07 ` Shem Multinymous
2006-07-27 0:20 Pavel Machek
2006-07-27 14:05 ` Matthew Garrett
2006-07-27 14:39 ` Shem Multinymous
2006-07-27 14:44 ` Matthew Garrett
2006-07-27 22:42 ` Greg KH
2006-07-27 14:59 ` Pavel Machek
2006-07-27 15:10 ` Shem Multinymous
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