Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-05 Thread Liuqiming (John)
On 2015/2/6 3:26, Konrad Rzeszutek Wilk wrote: On Thu, Feb 05, 2015 at 11:04:37AM +0800, Liuqiming (John) wrote: > On 2015/2/5 10:57, Liuqiming (John) wrote: >> sorry for late replay >> >> On 2015/2/3 23:32, Konrad Rzeszutek Wilk wrote: >>> On Tue, Feb 03, 2015 at 10:24:08AM +0800, Liuqiming (Joh

Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-05 Thread Konrad Rzeszutek Wilk
On Thu, Feb 05, 2015 at 11:04:37AM +0800, Liuqiming (John) wrote: > On 2015/2/5 10:57, Liuqiming (John) wrote: > >sorry for late replay > > > >On 2015/2/3 23:32, Konrad Rzeszutek Wilk wrote: > >> On Tue, Feb 03, 2015 at 10:24:08AM +0800, Liuqiming (John) wrote: > >> > On 2015/2/2 22:59, Konrad Rzes

Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-04 Thread Liuqiming (John)
On 2015/2/5 10:57, Liuqiming (John) wrote: sorry for late replay On 2015/2/3 23:32, Konrad Rzeszutek Wilk wrote: > On Tue, Feb 03, 2015 at 10:24:08AM +0800, Liuqiming (John) wrote: > > On 2015/2/2 22:59, Konrad Rzeszutek Wilk wrote: > >> On Mon, Feb 02, 2015 at 09:58:57PM +0800, Liuqiming (John)

Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-02 Thread Konrad Rzeszutek Wilk
On Mon, Feb 02, 2015 at 09:58:57PM +0800, Liuqiming (John) wrote: > Hi Jan, > Thanks for the reply. > > On 2015/2/2 18:12, Jan Beulich wrote: > On 31.01.15 at 11:29, wrote: > >> Recently I met an odd performance problem: when I turn on APIC > >> Virtualization feature (apicv=1), the ne

Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-02 Thread Liuqiming (John)
Hi Jan, Thanks for the reply. On 2015/2/2 18:12, Jan Beulich wrote: >>> On 31.01.15 at 11:29, wrote: > Recently I met an odd performance problem: when I turn on APIC > Virtualization feature (apicv=1), the network performance of a windows > guest become worse. > > My test case like

Re: [Xen-devel] apic-v reduce network performance in my test case

2015-02-02 Thread Jan Beulich
>>> On 31.01.15 at 11:29, wrote: > Recently I met an odd performance problem: when I turn on APIC > Virtualization feature (apicv=1), the network performance of a windows > guest become worse. > > My test case like this: host only have one windows 2008 R2 HVM > guest running,and this

[Xen-devel] apic-v reduce network performance in my test case

2015-01-31 Thread Liuqiming (John)
Hi all, Recently I met an odd performance problem: when I turn on APIC Virtualization feature (apicv=1), the network performance of a windows guest become worse. My test case like this: host only have one windows 2008 R2 HVM guest running,and this guest has a SR-IOV VF network passth