On Tue, 07 Jun 2011 20:58:06 +0800 Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> wrote: > The performance test result: > > Netperf (TCP_RR): > =========================== > ept is enabled: > > Before After > 1st 709.58 734.60 > 2nd 715.40 723.75 > 3rd 713.45 724.22 > > ept=0 bypass_guest_pf=0: > > Before After > 1st 706.10 709.63 > 2nd 709.38 715.80 > 3rd 695.90 710.70 > In what condition, does TCP_RR perform so bad? On 1Gbps network, directly connecting two Intel servers, I got 20 times better result before. Even when I used a KVM guest as the netperf client, I got more than 10 times better result. Could you tell me a bit more details of your test? > Kernbech (do not redirect output to /dev/null) > ========================== > ept is enabled: > > Before After > 1st 2m34.749s 2m33.482s > 2nd 2m34.651s 2m33.161s > 3rd 2m34.543s 2m34.271s > > ept=0 bypass_guest_pf=0: > > Before After > 1st 4m43.467s 4m41.873s > 2nd 4m45.225s 4m41.668s > 3rd 4m47.029s 4m40.128s > -- 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