> > The USB HID devices implement the SET_IDLE command, so the polling > > interval will have no real effect on performance. > > On a Linux guest (F12), I see 125 USB interrupts per second with no > mouse movement, so something is broken (on the guest or host). Turns out to be a a bug in the UHCI emulation. It should only raise an interrupt if the transfer actually completes (i.e. the active bit is set to zero). Fixed by 5bd2c0d7. I was testing with an OHCI controller, which does not have this bug. Paul -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
