Il giorno 08 marzo 2012 16:13, Cyrill Gorcunov <gorcunov@xxxxxxxxxx> ha scritto: > > On Thu, Mar 08, 2012 at 05:11:16PM +0200, Pekka Enberg wrote: > > On Thu, Mar 8, 2012 at 4:32 PM, Daniele Carollo <carollo.dani@xxxxxxxxx> > > wrote: > > > for an university study, I'm doing some network test between two vm > > > using native linux kvm tool and connected via tap/virtio/vhost. > > > When I run my script (several consecutive iperf tcp and udp > > > execution), the first vm freeze with a message like: "hrtimer: > > > interrupt took * ns". > > > Is this a bug? (In order to complete the test i had to set the number > > > of guest cpu to 1) > > > > > > Do you know what is the expected throughput between two vm using > > > virtio/vhost? > > > > I don't really use the tap interface so lets CC Asias. Which guest > > kernel are you using, btw? > > > > Yup, Asias was using it, if my memory doesn't betray me. Also both -- host > and guest kernel versions might be useful to know. iirc we were emulating > rtc only while anything else passes through to kvm kernel driver. > > Cyrill As guest I'm using debian 6.0 squeeze found here http://people.debian.org/~aurel32/qemu/i386/debian_squeeze_i386_standard.qcow2 while on the host I'm using Opensuse 11.2 with kernel 3.3.0-rc1KVM gitted from here http://git.kernel.org/pub/scm/virt/kvm/kvm.git Daniele -- 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
