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 -- 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
