On Wed, Jun 02, 2010 at 11:04:09AM +0800, yakui.zhao@xxxxxxxxx wrote: > From: Zhao Yakui <yakui.zhao@xxxxxxxxx> > > The C-state idle time is not calculated correctly, which will return the wrong > residency time in C-state. It will have the following effects: > 1. The system can't choose the deeper C-state when it is idle next time. > Of course the system power is increased. E.g. On one server machine about 40W > idle power is increased. > 2. The powertop shows that it will stay in C0 running state about 95% time > although the system is idle at most time. What kind of system was this seen on? -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html