[Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues

2013-05-24 Thread C Cormier
@Paolo yes, when i was doing that testing i was able to consistently reproduce those results in #23, but it was a red herring, as of now i cannot reproduce the results in #23 consistently (i suspect it may have had something to do with the order i was executing tests but didn’t chase it any furthe

[Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues

2013-05-08 Thread C Cormier
Update: >From our testing this bug affects KVM Hypervisors on Intel processors that have the EPT feature enabled with Kernels 3.0 and greater. A list of Intel EPT supported CPUs here (http://ark.intel.com/Products/VirtualizationTechnology). When using a KVM Hypervisor Host with Linux kernel 3.0 o

[Qemu-devel] [Bug 1100843] Re: Live Migration Causes Performance Issues

2013-04-16 Thread C Cormier
Can you clarify what's not 100% reproducible? The only time that it is not reproducible on my system is between different qemu machine types as I listed. If tests are performed on same machine-type they are reproducible 100% of the time on the same host and vm guest as shown in comment #23. I hav