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[Xen-devel] Some questions about how to test I/O performance in Virtualization in Xen

Dear ALL,

My name is Heron.laterly I was learning the virtualization technology.I want to find how much time was spent in DomainU,Xen and Domain0,when DomainU send socket packets to the Internet via Domain0.Laterly I use Xentrace to trace the send route,but can not find out the answer.Xenoprof can not solve the question too.I had searched for a long time,but find nothing,I appreciate it so much if you can give me some suggestiongs about how to do the experiment and the tools to do that.Thanks a lot.
                                            Looking forward to your reply.
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