Wow thanks - that works - 1,3 wakeups (without X) :) ---> 11.5 watts longterm ;)
Peter Am Montag 12 November 2007 19:40:39 schrieb Ganesha Bhaskara > Peter Hüwe wrote: > > Hi, > > > >> If you managed to get improvements yourself, please let us know on the > > > > mailing list. > > > > So here are my results: > > > > On my old laptop (celeron m 1,3Ghz) I played around with the different > > kernel options and to some extend with different versions. > > > > I started with a 2.6.16 kernel - powertop showed me that > > - it receives 1000 wakeups (is that related to the 1000hz option? ) > > - it uses 15,4 Watts (with lowest background-brightness of the display) > > - and the cpu is stuck in C0 / C1 > > - 163 mhz while idle* (100%) > > (and of course no timer stats available) > > > > (*idle = fluxbox + eterm (running powertop)) > > > > using powertop hints and upgrading the kernel to a 2.6.24-rc2 got me to > > following: > > - 40 wakeups (mostly due to extra_timer_interrupt (29)) > > - 11,7 watts longterm (with lowest background-brightness) > > - cpu reaches now c3 (95%) > > - 163 mhz while idle* (100%) > > - HPET doesn't work :/ > > > > So almost 25% saved power! > > (Unfortunately it doesn't really improve my battery runtime - as the > > battery somehow is broken (10 minutes ! when charged full)) > > > > ---> To put it in a nutshell - upgrading the kernel and configuring it > > with help of powertop + wise choosing of application saves a lot of > > power. > > > > > > ---> Do you think there is still room for improvement? > > ---> I have an intel ICH4 Chipset -> Hpet possible? > > try kernel command line parameter > > hpet=force > > -G > > > Anyways - I thanks for that great app. > > > > > > Regards, > > Peter > > > > _______________________________________________ > > Power mailing list > > [email protected] > > http://www.bughost.org/mailman/listinfo/power > > _______________________________________________ > Power mailing list > [email protected] > http://www.bughost.org/mailman/listinfo/power _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
