the gpa caused ept violation is below: most of them is F2020000.(4060217344) error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 error gpa is 4060217344 other is F20A0000(4060741632). error gpa is 4060741632 error gpa is 4060741632 2010/11/15, lidong chen <chen.lidong.kernel@xxxxxxxxx>: > i use the virtio dirvier of rhle6, the guest os version is 2.6.16. > > the vm exits which caused by io instruction and apic access reduce a lot. > the total number of vm exits decreased by 50% :) > > but the ept violation seem increase on cpu 0, cpu 1, cpu 2, cpu3. > > (KVM)100000 times on cpu 2, > 0, 1989 > 1, 9937 > 7, 7951 > 12, 2709 > 28, 20 > 30, 18536 > 44, 29058 > 48, 29800 > > and not all cpu have this problem: cpu4,cpu5,cpu6,cpu7 > 100000 times on cpu 5, > 0, 13934 > 1, 35955 > 7, 26 > 12, 3841 > 28, 11224 > 30, 29389 > 44, 5631 > > I bind vcpu like this: > virsh vcpupin brd1vm4 0 7 > virsh vcpupin brd3vm4 0 0 > virsh vcpupin brd3vm4 1 4 > virsh vcpupin brd5vm4 0 1 > virsh vcpupin brd5vm4 1 5 > virsh vcpupin brd9vm4 0 2 > virsh vcpupin brd9vm4 1 6 > virsh vcpupin brd11vm4 0 3 > virsh vcpupin brd11vm4 1 7 > > the /proc/interrupt of guest os is below: > CPU0 CPU1 > 0: 1896802 0 IO-APIC-edge timer > 1: 8 0 IO-APIC-edge i8042 > 4: 14 0 IO-APIC-edge serial > 8: 0 0 IO-APIC-edge rtc > 9: 0 0 IO-APIC-level acpi > 10: 0 0 IO-APIC-level virtio1, virtio2, virtio5 > 11: 1 0 IO-APIC-level virtio0, virtio3, virtio4 > 12: 104 0 IO-APIC-edge i8042 > 50: 1 0 PCI-MSI-X virtio2-output > 58: 0 0 PCI-MSI-X virtio3-config > 66: 2046985 0 PCI-MSI-X virtio3-input > 74: 2 0 PCI-MSI-X virtio3-output > 82: 0 0 PCI-MSI-X virtio4-config > 90: 217 0 PCI-MSI-X virtio4-input > 98: 0 0 PCI-MSI-X virtio4-output > 177: 0 0 PCI-MSI-X virtio0-config > 185: 341831 0 PCI-MSI-X virtio0-input > 193: 1 0 PCI-MSI-X virtio0-output > 201: 0 0 PCI-MSI-X virtio1-config > 209: 188747 0 PCI-MSI-X virtio1-input > 217: 1 0 PCI-MSI-X virtio1-output > 225: 0 0 PCI-MSI-X virtio2-config > 233: 2204149 0 PCI-MSI-X virtio2-input > NMI: 1455767 1426226 > LOC: 1896099 1896637 > ERR: 0 > MIS: 0 > > the application on all vcpu is the same. so i think the new pv driver > caused ept violation . > > > 2010/11/10 Avi Kivity <avi@xxxxxxxxxx>: >> On 11/10/2010 09:09 AM, lidong chen wrote: >>> >>> after slove the ept violation problem, i found the vm exits times is >>> still more than xen. >>> >>> and i found most of them is caused by io instruction. then i stat the >>> port number, most of them is caused by virio_net. >> >> This is also solved by the msi-capable virtio driver. >> >> -- >> error compiling committee.c: too many arguments to function >> >> > -- 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
