Re: [Xen-devel] Question about network performance difference between dom0 and host

2014-11-28 Thread Zoltan Kiss
Hi, I would check whether GRO is enabled under Dom0 or not (ethtool -k ethX). Comparing top during test (especially that which context use how many percentage), and the number of interrupts per second (grep eth /proc/interrupts) would be interesting too. Regards, Zoltan On 28/11/14 02:29,

[Xen-devel] Question about network performance difference between dom0 and host

2014-11-27 Thread zhangleiqiang
I have done some network performance testing under XEN, and found the result which is somehow strange: When testing between Hosts (Sender and receiver servers are both booting from kernel-default), running only one netperf process will be enough to reach the upper limit of NIC. However, wh