>>> Hi all, >>> >>> If I press the one of "Insert/Delete/Home/End/PageUp/PageDown/UpArrow/ >>> DownArrow/LeftArrow/RightArrow" key w/o releasing, then lots of interrupts >>> will be injected to vm(win7/win2008), about 8000/s, the system become very slow, >>> bringing very bad experience. But the other keys are okay. >> >> Sorry for wrong description, the interrupt rate is normal, >> but huge numbers of vmexit induced by PIO were produced. > >This is expected when running Windows without paravirtualized time >counter (-cpu ...,hv_time). > I tested win-server-2008 with "-cpu core2duo,hv_spinlocks=0xffff,hv_relaxed,hv_time", this problem still happened, about 200,000 vmexits per-second, bringing very bad experience, just like being stuck. Thanks, Zhang Haoyu >Paolo -- 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
