Hi,

Thanks, How the "ticktime" and "timeval" structure are used in calculating
the "interval"?
To write my own logger i need to understand, how currently it is done?
Also how i can invoke the powertop in batch mode?

Thanks and Regards,
- Nisha


On Wed, Jan 20, 2010 at 4:32 PM, Kok, Auke <[email protected]> wrote:

> nisha jain wrote:
> > Hi Auke,
> >
> > Thanks, I need to get information more frequently so i need to set the
> timeout value much lesser where currently it is set to 10 s.
> > Please let me know how i can achieve this as i need to draw the c states
> and p states curves with time and the power
> > curve drawn from battery.
>
> well, that's not what powertop is meant for. if you want that information,
> and
> accurately, you're probably better off doing either of the following:
>
> - use powertop's batch mode instead
> - write your own C/P state and power consumption logger (all the
> information is in
> sysfs)
>
> The latter approach would be more suitable since you get to ignore all the
> process
> data and suggestions that powertop does at each interval, which add
> considerable
> overhad. That's also the reason this isn't done by default: shorter
> intervals make
> powertop less accurate quickly.
>
> Auke
>
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