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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