RE: Guest performance is reduced after live migration

2013-01-16 Thread Mark Petersen
ubuntu-10.04 - post live migration == Simple syscall: 0.0526 microseconds Simple read: 0.1075 microseconds Simple write: 0.0951 microseconds Simple open/close: 1.0413 microseconds Regards, mark On Wed, Dec 19, 2012 at 12:43:37AM +, Mark Petersen wrote

RE: Guest performance is reduced after live migration

2013-01-09 Thread Mark Petersen
Using phoronix pts/compilation ImageMagick - 43.29s Linux Kernel 3.1 - 76.67s Mplayer - 45.41s PHP - 29.1s -Original Message- From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of Mark Petersen Sent: Wednesday, January 02, 2013 7:32 PM To: Marcelo Tosatti Cc

RE: Guest performance is reduced after live migration

2013-01-02 Thread Mark Petersen
, in the destination (don't recall the interface for retrieving number of hugepages for a given process, probably somewhere in /proc/pid/). On Wed, Dec 19, 2012 at 12:43:37AM +, Mark Petersen wrote: Hello KVM, I'm seeing something similar to this (http://thread.gmane.org

RE: Guest performance is reduced after live migration

2013-01-02 Thread Mark Petersen
0.0.0.0 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -Original Message- From: Marcelo Tosatti [mailto:mtosa...@redhat.com] Sent: Wednesday, January 02, 2013 6:49 PM To: Mark Petersen Cc: kvm@vger.kernel.org; shouta.ueh...@jp.yokogawa.com Subject: Re: Guest

Guest performance is reduced after live migration

2012-12-18 Thread Mark Petersen
Hello KVM, I'm seeing something similar to this (http://thread.gmane.org/gmane.comp.emulators.kvm.devel/100592) as well when doing live migrations on Ubuntu 12.04 (Host and Guest) with a backported libvirt 1.0 and qemu-kvm 1.2 (improved performance for live migrations on guests with large