Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-08-01 Thread Gleb Natapov
On Tue, Jul 30, 2013 at 09:04:56AM +, Zhanghaoyu (A) wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-30 Thread Zhanghaoyu (A)
hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-29 Thread Andrea Arcangeli
Hi, On Sat, Jul 27, 2013 at 07:47:49AM +, Zhanghaoyu (A) wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-29 Thread Marcelo Tosatti
On Sat, Jul 27, 2013 at 07:47:49AM +, Zhanghaoyu (A) wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-27 Thread Zhanghaoyu (A)
hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest, https://lists.gnu.org/archive/html/qemu-devel/2013-05/msg00098.html

[Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Zhanghaoyu (A)
hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest, https://lists.gnu.org/archive/html/qemu-devel/2013-05/msg00098.html

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Michael S. Tsirkin
On Thu, Jul 11, 2013 at 09:36:47AM +, Zhanghaoyu (A) wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Gleb Natapov
On Thu, Jul 11, 2013 at 09:36:47AM +, Zhanghaoyu (A) wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Xiao Guangrong
Hi, Could you please test this patch? From 48df7db2ec2721e35d024a8d9850dbb34b557c1c Mon Sep 17 00:00:00 2001 From: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com Date: Thu, 6 Sep 2012 16:56:01 +0800 Subject: [PATCH 10/11] using huge page on fast page fault path --- arch/x86/kvm/mmu.c | 27

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Andreas Färber
Hi, Am 11.07.2013 11:36, schrieb Zhanghaoyu (A): I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Zhang Haoyu
Hi, Could you please test this patch? I tried this patch, but the problem still be there. Thanks, Zhang Haoyu From 48df7db2ec2721e35d024a8d9850dbb34b557c1c Mon Sep 17 00:00:00 2001 From: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com Date: Thu, 6 Sep 2012 16:56:01 +0800 Subject: [PATCH 10/11]

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Bruce Rogers
On 7/11/2013 at 03:36 AM, Zhanghaoyu (A) haoyu.zh...@huawei.com wrote: hi all, I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,

Re: [Qemu-devel] vm performance degradation after kvm live migration or save-restore with ETP enabled

2013-07-11 Thread Zhanghaoyu (A)
Hi, Am 11.07.2013 11:36, schrieb Zhanghaoyu (A): I met similar problem to these, while performing live migration or save-restore test on the kvm platform (qemu:1.4.0, host:suse11sp2, guest:suse11sp2), running tele-communication software suite in guest,