On Friday 28 December 2007 16:39, Ben Branch wrote: > > Greetings, > > I have just upgraded to Ubuntu Gusty Gibbon, and eagerly have started using > powerTOP to investigate my power use. (Firefox is often the prime > offender, probably > some animations on a web site). > > However, although my system has a T7400 mobile CPU, powerTOP says that no > C-state information is available because it's only available on Mobile CPUs. > > My system is a homebuilt MoTD (Mobile on the Desktop) with the T7400 CPU, > AOpen i945GTm-VHL micro-ATX motherboard, 2 x 1 GB SODIMM for RAM, an > Nvidia 7300 GS PCIe-16 video card, onboard sound, and 2 2.5" notebook > drives in > software RAID-1 (mdadm). > > I don't know enough to speculate on why powerTOP doesn't see my CPU. > When booting, the BIOS reports that the CPU is C1E enabled (I forget the > exact syntax, will check on the next reboot). > > Someone who knows more about how powerTOP works may be able to > describe what's going on or make some suggestions ...
cat /proc/acpi/processor/*/power will tell you what the kernel sees and is exporting to powertop. -Len _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
