[ohm] monitoring INPUT state

[Rob Taylor]

Koen Kooi wrote:
> Rob Taylor schreef:
>> Gross, Mark wrote:
>>>> -----Original Message-----
>>>> From: ohm-devel-bounces at lists.freedesktop.org [mailto:ohm-devel-
>>>> bounces at lists.freedesktop.org] On Behalf Of Nils Faerber
>>>> Sent: Monday, July 09, 2007 8:28 AM
>>>> To: ohm-devel
>>>> Subject: Re: [ohm] monitoring INPUT state
>>>>
>>>> Gross, Mark schrieb:
>>>> [...]
>>>>>> For the idle usecase say... as a third source you could have a
>>>>>> deliberate "unidle" source, i.e. an application could want to
>>> trogger
>>>>>> the idle "watchdog" manually. This would be a third source (i.e.
>>> X11,
>>>>>> input/event/*, manual unidle). This could be useful for applications
>>>>>> that want to prevent the system to perform idle actions - not very
>>>>>> brilliant example since it could also disable the idle timer but
>>> then
>>>>> it
>>>>>> could clash with the service that sets that values (which should be
>>>>>> session settings?).
>>>>> This sounds scary to me.  We don't want to make the processor more
>>> busy
>>>>> when trying to save battery life buy running a busy loop daemon for
>>>>> kicking a watch dog looking for inactivity at the UI level.
>>>>>
>>>>> I like the idea of an inactivity watch dog facility.  It would help
>>> to
>>>>> understand the different classes of subsystem inactivity one needs a
>>>>> watchdog on.  From this thread I see we only have xorg inactivity.
>>>> And this xorg idle is bound to input devices which is IMHO pretty weak.
>>> It would be good to drill down on what's weak about it, and try to get
>>> into a requirement definition mind set for the sub system's Ohm depends
>>> on.
>> I've pretty much decided on using xorg idle for the default idle plugin
>> - with the next release of xorg, X will listen to all input devices
>> advertised in HAL.
> 
> Xorg is of course installed on all headless systems, right?

A headless system can just use a different idle plugin, as I mentioned
right below that line...

The case of a large multihead server is actually quite a bit more
interesting, but I'm gonna ignore that usecase for now...

-- 
Rob Taylor, Codethink Ltd. -  http://codethink.co.uk