Hello, On Tue, Sep 7, 2010 at 5:20 PM, Len Brown <lenb@xxxxxxxxxx> wrote: >> I'm getting around 75% in C4, the rest almost exclusively in C0. > > This 25% in C0 is likely all of your battery life problem. > > use top and powertop to find out what is running and why, > and see if it is something you can prevent from running. > > If your CPU is more than 1% buys when "profoundly idle", > then it has a significant software or configuration problem. As mentioned in another e-mail, it was a problem with the broadcom driver. I have an atheros 9285 card on order, let's see how that one holds, the USB one did ok. > cheers, > Len Brown, Intel Open Source Technology Center > > ps. note for comparisons... Âyour XP partition should have a > "perfmon" application that can draw a pretty graph of cpu usage, > including adding counters for the various C-states. > Using Server 2008 for tests, currently broken. Alternatives? Best regards, Tiago -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
