From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zoltan Kiss Subject: Re: Question about network performance difference between dom0 and host Date: Fri, 28 Nov 2014 10:27:14 +0000 Message-ID: <54784E02.2090605@linaro.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="gbk"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: zhangleiqiang , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org SGksCgpJIHdvdWxkIGNoZWNrIHdoZXRoZXIgR1JPIGlzIGVuYWJsZWQgdW5kZXIgRG9tMCBvciBu b3QgKGV0aHRvb2wgLWsgCmV0aFgpLiBDb21wYXJpbmcgdG9wIGR1cmluZyB0ZXN0IChlc3BlY2lh bGx5IHRoYXQgd2hpY2ggY29udGV4dCB1c2UgaG93IAptYW55IHBlcmNlbnRhZ2UpLCBhbmQgdGhl IG51bWJlciBvZiBpbnRlcnJ1cHRzIHBlciBzZWNvbmQgKGdyZXAgZXRoIAovcHJvYy9pbnRlcnJ1 cHRzKSB3b3VsZCBiZSBpbnRlcmVzdGluZyB0b28uCgpSZWdhcmRzLAoKWm9sdGFuCgpPbiAyOC8x MS8xNCAwMjoyOSwgemhhbmdsZWlxaWFuZyB3cm90ZToKPgo+ICAgSSBoYXZlIGRvbmUgc29tZSBu ZXR3b3JrIHBlcmZvcm1hbmNlIHRlc3RpbmcgdW5kZXIgWEVOLCBhbmQgZm91bmQgdGhlIHJlc3Vs dCB3aGljaCBpcyBzb21laG93IHN0cmFuZ2U6Cj4KPiAgICAgV2hlbiB0ZXN0aW5nIGJldHdlZW4g SG9zdHMgKFNlbmRlciBhbmQgcmVjZWl2ZXIgc2VydmVycyBhcmUgYm90aCBib290aW5nIGZyb20g a2VybmVsLWRlZmF1bHQpLCBydW5uaW5nIG9ubHkgb25lIG5ldHBlcmYgcHJvY2VzcyB3aWxsIGJl IGVub3VnaCB0byByZWFjaCB0aGUgdXBwZXIgbGltaXQgb2YgTklDLiBIb3dldmVyLCB3aGVuIHRl c3RpbmcgYmV0d2VlbiBEb20wcyAoU2VuZGVyIGFuZCByZWNlaXZlciBzZXJ2ZXJzIGFyZSBib3Ro IGJvb3RpbmcgZnJvbSBrZXJuZWwteGVuKSwgd2UgbXVzdCBydW4gbW9yZSBjb3VudCBvZiBuZXRw ZXJmIHByb2Nlc3MgdG8gcmVhY2ggdGhlIHVwcGVyIGxpbWl0IG9mIE5JQywgcnVubmluZyBvbmx5 IG9uZSBuZXRwZXJmIHByb2Nlc3MgdGhlIHRocm91Z2hvdXQgd2FzIGxvdy4gVGhlIHJlc3VsdHMg dXNpbmcgb25lIG5ldHBlcmYgcHJvY2VzcyBhcmUgYXMgZm9sbG93czoKPgo+ICAgICAgICAgICBU Q1AgNTEyICAgIFRDUCAxNDYwICAgICBUQ1AgNDA5NiAgICBUQ1AgODUwMAo+IEhvc3RzOiAgICA5 MTM0LjI0ICAgIDk0NDQuODQgIDk0NDguMDUgICAgICA5NDQ3LjU4ICAgIChNYnMpCj4gRG9tMHM6 ICAgIDIwNjMuOSAgICAzMDE4Ljk1ICAgICA2NTYxLjI5ICAgICAgICAgNTAwOC4xNyAgICAoTWJz KQo+Cj4gICAgVGhlIHF1ZXN0aW9uIGlzIHdoeSBvbmUgbmV0cGVyZiBwcm9jZXNzIGNhbm5vdCBy ZWFjaCB0aGUgbWF4IHRocm91Z2hvdXQgb2YgTklDIHVuZGVyIERvbTAgPyBJIGtub3cgdGhhdCBE b20wIHdpbGwgaGF2ZSBleHRyYSBvdmVyaGVhZCB3aGVuIGhhbmRsaW5nIGludGVycnVwdCB3aGlj aCBtdXN0IGJlIGhhbmRsZWQgYnkgaHlwZXJ2aXNvciBmaXJzdCwgYnV0IEkgdGhpbmsgaXQgaXMg bm90IHRoZSByZWFzb24gZm9yIGl0Lgo+Cj4gICAgVGhlIHRlc3RpbmcgZW52aXJvbm1lbnQgZGV0 YWlscyBhcmUgYXMgZm9sbG93czoKPgo+ICAgICAxLiBIYXJkd2FyZQo+ICAgICAgICAgYS4gQ1BV OiBJbnRlbChSKSBYZW9uKFIpIENQVSBFNTY0NSBAIDIuNDBHSHosIDIgQ1BVIDYgQ29yZXMgd2l0 aCBIeXBlciBUaHJlYWQgZW5hYmxlZAo+ICAgICAgICAgYi4gTklDOiBJbnRlbCBDb3Jwb3JhdGlv biA4MjU5OUVCIDEwLUdpZ2FiaXQgU0ZJL1NGUCsgTmV0d29yayBDb25uZWN0aW9uIChyZXYgMDEp Cj4gICAgIDIuIFNvZndhcmU6Cj4gICAgICAgICBhLiBIb3N0T1M6IFNVU0UgU0xFUyAxMSBTUDMg KEtlcm5lbCAzLjAuNzYpCj4gICAgICAgICBiLiBOSUMgRHJpdmVyOiBJWEdCRSAzLjIxLjIKPiAg ICAgICAgIGMuIE9WUzogMi4xLjMKPiAgICAgICAgIGQuIE1UVTogMTYwMAo+ICAgICAgICAgZS4g RG9tMKO6NlU2Rwo+ICAgICAzLiBOZXR3b3JraW5nIEVudmlyb25tZW50Ogo+ICAgICAgICAgYS4g QWxsIG5ldHdvcmsgZmxvd3MgYXJlIHRyYW5zbWl0L3JlY2VpdmUgdGhyb3VnaCBPVlMKPiAgICAg ICAgIGIuIFNlbmRlciBzZXJ2ZXIgYW5kIHJlY2VpdmVyIHNlcnZlciBhcmUgY29ubmVjdGVkIGRp cmVjdGx5IGJldHdlZW4gMTBHRSBOSUMKPiAgICAgNC4gVGVzdGluZyBUb29sczoKPiAgICAgICAg IGEuIFNlbmRlcjogbmV0cGVyZgo+ICAgICAgICAgYi4gUmVjZWl2ZXI6IG5ldHNlcnZlcgo+Cj4K PiAtLS0tLS0tLS0tCj4gemhhbmdsZWlxaWFuZyAoVHJ1bXApCj4KPiBCZXN0IFJlZ2FyZHMKPiBf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IFhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKPiBYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwo+IGh0dHA6Ly9saXN0cy54 ZW4ub3JnL3hlbi1kZXZlbAo+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3Jn Cmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=