On Thu, Jun 19, 2008 at 01:29:39AM -0400, Haydn Solomon wrote: > Hi List, > > When testing power usage of a windows xp guest using powertop utility, > I'm noticing high wakeup rates. The following is the output of > powertop for an idle windows xp guest. > > > ============================== > =========================== > Wakeups-from-idle per second : 2716.6 interval: 10.0s > no ACPI power usage estimate available > > Top causes for wakeups: > 52.4% (2434.4) qemu-system-x86 : sys_timer_settime (posix_timer_fn) > 21.5% (996.7) qemu-system-x86 : __kvm_migrate_pit_timer (pit_timer_fn) > 15.0% (697.4) <interrupt> : extra timer interrupt > 4.9% (227.6) <kernel IPI> : Rescheduling interrupts > 1.6% ( 72.9) USB device 6-2 : Optical USB Mouse (Logitech) > 1.3% ( 61.7) <interrupt> : nvidia > 1.3% ( 59.0) <interrupt> : uhci_hcd:usb4, uhci_hcd:usb6, HDA Intel > =================================================================== > > I'm getting similar values when running a Fedora 9 guest.
What difference do you see when closing the VNC client ? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
