[ltp] New PowerTOP utility for Linux 2.6.21+ from Intel

[Martin Milata]

On Sun, May 20, 2007 at 01:49:40AM +1000, André Wyrwa wrote:
> Hei,
> 
> > What I meant was to export hdaps status as character device file, from
> > which hdapsd could read() fixed amount of data and which would block the
> > reader if there were no new hardware poll since last read. As Henrique
> > said, something similar will be achieved using the input layer. 
> 
> sorry, but i don't seem to get it. You want hdapsd to constantly read
> from supposed character device file, only that this constant reading is
> blocked as long as no new value drops in. Like on a socket, right?
> 
> But as long as the hdaps driver is only exporting the values, how does
> this give any benefit? hdapsd would still read the file constantly and
> never block, since the driver emits values constantly.
> 
> The other way would be to have the hdaps driver do more and already
> process the values agains some threshold, but why would you need hdapsd
> then at all? And then you would also not need such kind of device file,
> because the hdaps driver could directly cause the harddisk to be parked.
> 
> Or am i missing something?
> 
> André.
> 

Never mind, it was just sub-optimal idea and trying to explain it with
my poor english would be only a waste of time when better solution
already exists;)

-MM