On Thu, Jun 05, 2014 at 10:53:38AM +0200, Johan Svensson wrote: > On 06/05/14 00:53, STeve Andre' wrote: > >On 06/04/14 17:08, Johan Svensson wrote: > >>I'm trying to migrate from Linux to Openbsd on my laptop > >>(thinkpad x201). > >> > >>The first problem that i came across was that the Cpu fanspeed > >>was running constantly at 3500RPM. > >>After the acpithinkpad.c patch from jcs (and i modified to make > >>it work on the openbsd-current(link: > >>http://exclude.se/patch/jcs_mod_by_js.diff) > >> > >>Another thing that i noticed is that the battery lifetime is really bad. > >>In Linux i get around ~5,5 hours. > >>In OpenBSD i get around 2 hours. > >> > >>when i ran : sysctl hw.sensors | grep -i consumption. > >>the output of the cpu was 6W. > >> > >>in Linux it's around 1,5W. > >> > >>with: apmd -C and apmd -L it's the same. > >>dmesg: http://exclude.se/openbsd/dmesg.txt > >> > >>Is there anyway to fix this? > >> > >>Regards > >>Johan Svensson > >> > >> > >Take a look at hw.setperf in sysctl. I think you are running at the > >maximum cpu speed? On my 2.8GHz W500 I can run at 800, 1600, > >2133 and 2801. 800MHz makes a huge difference. You have to > >try different values for setperf to see what happens. sysctl will > >also tell you the speed in hw.cpuspeed. > > > >--STeve Andre' > This my output from sysctl and apm when running on the lowest clockspeed: > # sysctl hw | grep -iE "cpuspeed|setperf|fan|consumption" > hw.sensors.acpithinkpad0.fan0=1959 RPM > hw.sensors.itherm0.power0=6.00 W (CPU power consumption) > hw.cpuspeed=1199 > hw.setperf=0 > # apm > Battery state: high, 70% remaining, 111 minutes life estimate > A/C adapter state: not connected > Performance adjustment mode: manual (1199 MHz) > > > This is the output when i use apm -H: > # sysctl hw | grep -iE "cpuspeed|setperf|fan|consumption" > hw.sensors.acpithinkpad0.fan0=1972 RPM > hw.sensors.itherm0.power0=6.00 W (CPU power consumption) > hw.cpuspeed=2666 > hw.setperf=100 > # apm > Battery state: high, 68% remaining, 107 minutes life estimate > A/C adapter state: not connected > Performance adjustment mode: manual (2666 MHz) > > The energy consumption is the same which is odd. > > --Johan >
This may be a bug in itherm(4), I'll take a look.
