On 11/08/2010 02:15 PM, lidong chen wrote:
I run my application both on xen and kvm, and I found the performance on kvm is worse than xen. kvm: 2.6.32-60.el6.x86_64 redhat 6 bate 2 xen: xen3.4.2 then i stat the vm exit reason, and i found the ept violation reason, kvm is much more than xen. the static result is : __ratelimit: 387 callbacks suppressed error gpa is 4273995776 error gpa is 4273995776 error gpa is 4273995776 error gpa is 4273995776 error gpa is 4273995776
fec00000, this is the IOAPIC. What workload is this? Are you using virtio?
error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 __ratelimit: 387 callbacks suppressed error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336 error gpa is 782336
bf000, this is the display. What display mode are you using? is the workload display intensive?
Please provide reports using $ trace-cmd record -e kvm:kvm_page_fault ^C $ trace-cmd report -- 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
