On 04/18/2013 09:25 AM, Stefan Hajnoczi wrote: Hi Stefan, > I see. That's a good reason to carefully monitor the host for things > that could interfere with guest performance. > > Stefan Seems that today is a bad day for our server. We had to give him the boot (again). Also the results of the pidstat output do not seem to yield much additional information on what could be the problem. In order to avoid spilling this mailing list, here is some data gathered on the host: http://pastebin.com/8q7UgXkJ ...and this is the data from the guest: http://pastebin.com/xLTYZjGp Best regards, Martin -- 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