From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 30218682E for ; Thu, 28 Aug 2014 05:59:31 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 27 Aug 2014 21:03:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,415,1406617200"; d="scan'208";a="594352446" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by orsmga002.jf.intel.com with ESMTP; 27 Aug 2014 21:03:36 -0700 Received: from fmsmsx111.amr.corp.intel.com (10.18.116.5) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 27 Aug 2014 21:03:36 -0700 Received: from shsmsx152.ccr.corp.intel.com (10.239.6.52) by fmsmsx111.amr.corp.intel.com (10.18.116.5) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 27 Aug 2014 21:03:36 -0700 Received: from shsmsx102.ccr.corp.intel.com ([169.254.2.246]) by SHSMSX152.ccr.corp.intel.com ([169.254.6.147]) with mapi id 14.03.0195.001; Thu, 28 Aug 2014 12:03:34 +0800 From: "Liang, Cunming" To: Alex Markuze , "Venkatesan, Venky" , "Zhou, Danny" , "Patel, Rashmin N" Thread-Topic: [dpdk-dev] overcommitting CPUs Thread-Index: Ac/BSK4Ie9dEDL+WSrSuFei6WRfr+f//gOWA//91kbCAAUy5AIAAGnEAgAAwF4CAAGhigP/+poPg Date: Thu, 28 Aug 2014 04:03:33 +0000 Message-ID: References: <20140826093837.4e3d1d4b@urahara> <53FDF11D.3040504@intel.com> In-Reply-To: <53FDF11D.3040504@intel.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] overcommitting CPUs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Aug 2014 03:59:32 -0000 UE1EIGlzIGNvbWJpbmVkIG9mICdQTScgLSBhIHRocmVhZCBtb2RlbCBhbmQgJ0QnIC0gYSB1c2Vy IHNwYWNlIGRyaXZlci4NCkRQREsgcHJvdmlkZXMgb3B0aW1pemVkIFJYIGFuZCBUWCBpbiBEcml2 ZXIgb24gZmFzdCBwYXRoLg0KRFBESyBwcm92aWRlcyBhIHNpbmdsZSB0aHJlYWQgY29yZSBhZmZp bml0eSBtb2RlbCB0byBkZW1vbnN0cmF0ZSB0aGUgYmVzdCBJTyB3aXRoIG1pbmltdW0gbm9pc3kg cGVuYWx0eS4NClRoZXkgYXJlIG5vdCB0aWdodCBjb3VwbGluZyBhcyBWZW5reSBzYWlkLg0KDQpJ biBzb21lIGNhc2VzLCB5b3UgbWF5IG9ubHkgcGljayB1cCB0aGUgUlgvVFggYnV0IGdpdmUgdXAg dGhlIHRocmVhZCBtb2RlbCBEUERLIHByb3ZpZGVkLg0KSnVzdCB0YWtlIGNhcmUgdG8gd2VsbCBo YW5kbGUgdGhlIHBlbmFsdHkgbWF5IGV4aXN0IGluIHRoZSBzcGVjaWZpYyB0aHJlYWQgbW9kZWwu DQoNCkZvciBEUERLLCB3ZSBkbyB0aGluayBvbiBpdCwgYW5kIHN0YXJ0IHRvIGRlYWwgd2l0aCB0 aGUgbmVnYXRpdmUgZmFjdG9yLg0KSW4gYW5vdGhlciBwZXJzcGVjdGl2ZSwgdGhlIG1vcmUgY3lj bGVzIHdlIGdhaW4gb24gJ0QnIHNpZGUgdGhlIG1vcmUgd2UgY291bGQgc3BlbmQgb24gJ1BNJyBz aWRlIHRvIGNhbmNlbCB0aGUgcGVuYWx0eSBvdXQuDQpNYXliZSBhIHNhbXBsZSB1c2luZyBSWC9U WCB3aXRob3V0IGRlYWQgcG9sbGluZyBpcyBhIGdvb2Qgc3RhcnQuDQpCdXQgY2Fubm90IGV4cGVj dCBtb3JlIG9uIHVzZXIgc3BhY2Ugd2FrZSB1cCBsYXRlbmN5IHNvIGZhci4NCg0KUmVnYXJkcywN CkxpYW5nIEN1bm1pbmcNCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBk ZXYgW21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIFZlbmthdGVzYW4s IFZlbmt5DQo+IFNlbnQ6IFdlZG5lc2RheSwgQXVndXN0IDI3LCAyMDE0IDEwOjU0IFBNDQo+IFRv OiBkZXZAZHBkay5vcmcNCj4gU3ViamVjdDogUmU6IFtkcGRrLWRldl0gb3ZlcmNvbW1pdHRpbmcg Q1BVcw0KPiANCj4gRFBESyBjdXJyZW50bHkgaXNuJ3QgZXhhY3RseSBwb2xsIG1vZGUgLSBpdCBo YXMgYW4gQVBJIHRoYXQgcmVjZWl2ZXMgYW5kDQo+IHRyYW5zbWl0cyBwYWNrZXRzLiBIb3cgeW91 IGVudGVyIHRoYXQgQVBJIGNvdWxkIGJlIGludGVycnVwdCBvciBwb2xsZWQNCj4gLXdlJ3ZlIGxl ZnQgdGhhdCB1cCB0byB0aGUgYXBwbGljYXRpb24gdG8gZGVjaWRlLCByYXRoZXIgdGhhbiBmb3Jj ZSBhDQo+IGludGVycnVwdC9OQVBJIHR5cGUgYXJjaGl0ZWN0dXJlLiBJIGRvIGFncmVlIHdpdGgg QWxleCBpbiB0aGF0DQo+IGltcGxlbWVudGluZyBhIGludGVycnVwdC9sb2FkIGRyaXZlbiBlbnRy eSBwb2ludCBhcyBhbiBvcHRpb24gd2lsbCBtYWtlDQo+IGl0IHVzYWJsZSBtb3JlIHdpZGVseS4g VGhlcmUgYXJlIG11bHRpcGxlIGNoYWxsZW5nZXMgaGVyZSAtIG1hbmFnaW5nIHRoZQ0KPiBsYXRl bmN5IG9mIGFuIGludGVycnVwdCBkcml2ZW4gc2NoZW1lIGluIGEgdXNlci1zcGFjZSBjb250ZXh0 LCBub3QgdG8NCj4gbWVudGlvbiB2ZXJ5IGhpZ2ggaml0dGVyIHJhdGVzIHRvIG1lbnRpb24gYSBm ZXcuDQo+IA0KPiBUaGF0IHNhaWQsIG92ZXJjb21taXRtZW50IG9mIENQVXMgY2FuIGJlIGFjaGll dmVkIGluIG90aGVyIHdheXMgYXMgd2VsbC4NCj4gWW91IGNvdWxkIGFsbG9jYXRlIGFuZCBlbmZv cmNlIENQVSBzaGFyaW5nIHZpYSBjZ3JvdXBzLCBhbmQgYWxsb2NhdGUgeCUNCj4gb2YgYSBjb3Jl IHRvIHRoZSBEUERLIHB0aHJlYWQuIEl0IGRvZXMgaW50cm9kdWNlIGEgZGVncmVlIG9mDQo+IGlu ZGV0ZXJtaW5pc20gdG8gd2hlbiB0aGUgRFBESyBwdGhyZWFkIGdldHMgc2NoZWR1bGVkIGJhY2sg aW4gKGRlcGVuZGluZw0KPiBvbiBob3cgbWFueSBvdGhlciB0aHJlYWRzIGFyZSBydW5uaW5nIG9u IHRoYXQgY29yZSkuIEJ1dCBpdCBpcyBhbm90aGVyDQo+IG9wdGlvbiAuLi4NCj4gDQo+IFJlZ2Fy ZHMsDQo+IC1WZW5reQ0KPiANCj4gT24gOC8yNy8yMDE0IDE6NDAgQU0sIEFsZXggTWFya3V6ZSB3 cm90ZToNCj4gPiBJTUhPIGFkZGluZyAiSW50ZXJydXB0IE1vZGUiIHRvIGRwZGsgaXMgaW1wb3J0 YW50IGFzIHRoaXMgY2FuIG9wZW4NCj4gPiBEUERLIHRvIGEgbGFyZ2VyIHB1YmxpYyBvZiBjb25z dW1lcnMsIEkgY2FuIGVhc2lseSBpbWFnaW5lIHNvbWVvbmUNCj4gPiB0cnlpbmcgdG8gZmluZCB1 c2VyIHNwYWNlIG5ldHdvcmtpbmcgIHNvbHV0aW9uIChBbmQgZGVjaWRpbmcgYWdhaW5zdA0KPiA+ IHZlcmJzIC0gUkRNQSkgZm9yIHRoZSBvYnZpb3VzIHJlYXNvbnMgYW5kIG5vdCBuZWVkaW5nIGRl dGVybWluaXN0aWMNCj4gPiBsYXRlbmN5Lg0KPiA+DQo+ID4gQSBmZXcgdGhvdWdodHM6DQo+ID4N Cj4gPiBEZXRlcm1pbmlzdGljIExhdGVuY3k6IEl0cyBhIGZpY3Rpb24gaW4gYSBzZW5jZSB0aGF0 ICB0aGlzIHNvbWV0aGluZw0KPiA+IHlvdSB3aWxsIGJlIGFibGUgdG8gc2VlIG9ubHkgaW4gYSBz bWFsbCBjb250cm9sbGVkIGVudmlyb25tZW50LiBBcw0KPiA+IG5ldHdvcmsgbGF0ZW5jaWVzIGlu IERhdGEgQ2VudHJlcyhEQykgYXJlIGRvbWluYXRlZCBieSBzd2l0Y2ggcXVldWluZw0KPiA+IChP bmUgZ29vZCByZWZlcmVuY2UgaXMgaHR0cDovL2Zhc3RwYXNzLm1pdC5lZHUgdGhhdCBWaW5jZW50 IHNoYXJlZCBhDQo+ID4gZmV3IGRheXMgYmFjaykuDQo+ID4NCj4gPiBWaXJ0dWFsIGVudmlyb25t ZW50czogSW4gdmlydHVhbCBlbnZpcm9ubWVudHMgdGhpcyBpcyBlc3BlY2lhbGx5DQo+ID4gaW50 ZXJlc3RpbmcgYXMgdGhlIE5JQyBkcml2ZXIoSHlwZXJ2aXNvcikgaXMgd29ya2luZyBpbiBJUlEg bW9kZSB3aGljaA0KPiA+IHVubGVzcyB0aGUgSW50ZXJydXB0cyBhcmUgcGlubmVkIHRvIGRpZmZl cmVudCBjcHVzIHRoZW4gdGhlIFZNIHdpbGwNCj4gPiBoYXZlIGEgZGlzcnVwdGl2ZSBlZmZlY3Qg b24gdGhlIFZNJ3MgcGVyZm9ybWFuY2UuIE1vdmluZyB0byBpbnRlcnJ1cHQNCj4gPiBtb2RlIG1v ZGUgaW4gcGFyYXZpcnR1YWxpc2VkIGVudmlyb25tZW50cyBtYWtlcyBzZW5zZSBhcyBpbiBhbnkN Cj4gPiBlbnZpcm9ubWVudCB0aGF0IGlzIG5vdCBjYXJlZnVsbHkgY3JhZnRlZCB5b3Ugc2hvdWxk IG5vdCBleHBlY3QgYW55DQo+ID4gZGV0ZXJtaW5pc3RpYyBndWFyYW50aWVzIGFuZCB3b3VsZCBv cHQgZm9yIGEgc2ltcGxlciBwcm9ncmFtbWluZyBtb2RlbA0KPiA+IC0gbGlrZSBpbnRlcnJ1cHQg bW9kZS4NCj4gPg0KPiA+IE5BUEk6IFdpdGggMTBHIE5JQ3MgTW9zdCBDUFVzIHBvbGwgcmF0ZSBp cyBmYXN0ZXIgdGhlbiB0aGUgTklDIG1lc3NhZ2UNCj4gPiByYXRlIHJlc3VsdGluZyBpbiAxOjEg bmFwaV9wb2xsIGNhbGxiYWNrIHRvIElSUSByYXRpbyB0aGlzIGlzIHRydWUNCj4gPiBldmVuIHdp dGggc21hbGwgcGFja2V0cy4gSW4gc29tZSBjYXNlcyB3aGVyZSB0aGUgQ1BVIGlzIHdvcmtpbmcg c2xvd2VyDQo+ID4gLSBmb3IgZXhhbXBsZSB3aGVuIGludGVsX2lvbW11PW9uLHN0cmljdCBpcyBz ZXQgLCB5b3UgY2FuIGFjdHVhbGx5IHNlZQ0KPiA+IGEgcGVyZm9ybWFuY2UgaW52ZXJzaW9uIHdo ZXJlIHRoZSAic2xvd2VyIiBDUFUgY2FuIHJlYWNoIGhpZ2hlciBCL1cNCj4gPiBiZWNhdXNlIHRo ZSBzbG93ZG93biBtYWtlcyBOQVBJIHdvcmsgd2l0aCB0aGUga2VybmVsIGVmZmVjdGl2ZWx5DQo+ ID4gbW92aW5nIHRvIHBvbGxpbmcgbW9kZS4NCj4gPg0KPiA+IEkgdGhpbmsgdGhhdCBhIHNtYXJ0 ZXIgRFBESy1OQVBJIGlzIGltcG9ydGFudCwgYnV0IGl0IGlzIGEgbmV4dCBzdGVwDQo+ID4gSUZG IHRoZSBpbnRlcnJ1cHQgbW9kZSBpcyBhZG9wdGVkLg0KPiA+DQo+ID4gT24gV2VkLCBBdWcgMjcs IDIwMTQgYXQgODo0OCBBTSwgUGF0ZWwsIFJhc2htaW4gTg0KPiA+IDxyYXNobWluLm4ucGF0ZWxA aW50ZWwuY29tPiB3cm90ZToNCj4gPj4gWW91J3JlIHJpZ2h0IGFuZCBJJ3ZlIGZlbHQgdGhlIHNh bWUgaGFyZGVyIHBhcnQgb2YgZGV0ZXJtaW5pc20gd2l0aCBvdGhlcg0KPiBoeXBlcnZpc29ycycg c29mdCBzd2l0Y2ggc29sdXRpb25zIGFzIHdlbGwuIEkgdGhpbmsgaXQncyB3b3J0aCB0aGlua2lu ZyBhYm91dC4NCj4gPj4NCj4gPj4gVGhhbmtzLA0KPiA+PiBSYXNobWluDQo+ID4+DQo+ID4+IE9u IEF1ZyAyNiwgMjAxNCA5OjE1IFBNLCBTdGVwaGVuIEhlbW1pbmdlcg0KPiA8c3RlcGhlbkBuZXR3 b3JrcGx1bWJlci5vcmc+IHdyb3RlOg0KPiA+PiBUaGUgd2F5IHRvIGhhbmRsZSBzd2l0Y2ggYmV0 d2VlbiBvdXQgb2YgcG9sbCBtb2RlIGlzIHRvIHVzZSBJUlEgY29hbGVzY2luZw0KPiA+PiBwYXJh bWV0ZXJzLg0KPiA+PiBZb3Ugd2FudCB0byBob2xkIG9mZiBJUlEgdW50aWwgdGhlcmUgYXJlIGEg Y291cGxlIHBhY2tldHMgb3IgYSBzaG9ydCBkZWxheS4NCj4gPj4gR29pbmcgb3V0IG9mIHBvbGwg bW9kZQ0KPiA+PiBpcyBoYXJkZXIgdG8gZGV0ZXJtaW5lLg0KPiA+Pg0KPiA+Pg0KPiA+PiBPbiBU dWUsIEF1ZyAyNiwgMjAxNCBhdCA5OjU5IEFNLCBaaG91LCBEYW5ueSA8ZGFubnkuemhvdUBpbnRl bC5jb20+DQo+IHdyb3RlOg0KPiA+Pg0KPiA+Pj4+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0t DQo+ID4+Pj4gRnJvbTogZGV2IFttYWlsdG86ZGV2LWJvdW5jZXNAZHBkay5vcmddIE9uIEJlaGFs ZiBPZiBTdGVwaGVuDQo+IEhlbW1pbmdlcg0KPiA+Pj4+IFNlbnQ6IFdlZG5lc2RheSwgQXVndXN0 IDI3LCAyMDE0IDEyOjM5IEFNDQo+ID4+Pj4gVG86IE1pY2hhZWwgTWFyY2hldHRpDQo+ID4+Pj4g Q2M6IGRldkBkcGRrLm9yZw0KPiA+Pj4+IFN1YmplY3Q6IFJlOiBbZHBkay1kZXZdIG92ZXJjb21t aXR0aW5nIENQVXMNCj4gPj4+Pg0KPiA+Pj4+IE9uIFR1ZSwgMjYgQXVnIDIwMTQgMTY6Mjc6MTQg KzAwMDANCj4gPj4+PiAiTWljaGFlbCAgTWFyY2hldHRpIiA8bW1hcmNoZXR0aUBzYW5kdmluZS5j b20+IHdyb3RlOg0KPiA+Pj4+DQo+ID4+Pj4+IEhpLCBoYXMgdGhlcmUgYmVlbiBhbnkgY29uc2lk ZXJhdGlvbiB0byBpbnRyb2R1Y2UgYSBub24tc3Bpbm5pbmcNCj4gPj4+IG5ldHdvcmsgZHJpdmVy IChpbnRlcnJ1cHQgYmFzZWQpLCBmb3IgdGhlIHB1cnBvc2Ugb2Ygb3ZlcmNvbW1pdHRpbmcNCj4g Pj4+PiBDUFVzIGluIGEgdmlydHVhbGl6ZWQgZW52aXJvbm1lbnQ/ICBUaGlzIHdvdWxkIG9idmlv dXNseSBoYXZlIHJlZHVjZWQNCj4gPj4+IGhpZ2gtZW5kIHBlcmZvcm1hbmNlIGJ1dCB3b3VsZCBh bGxvdyBmb3IgaW5jcmVhc2VkIGd1ZXN0DQo+ID4+Pj4gZGVuc2l0eSAoc2hhcmluZyBvZiBwaHlz aWNhbCBDUFVzKSBvbiBhIGhvc3QuDQo+ID4+Pj4+IEkgYW0gaW50ZXJlc3RlZCBpbiBhZGRpbmcg c3VwcG9ydCBmb3IgdGhpcyBraW5kIG9mIG9wZXJhdGlvbiwgaXMgdGhlcmUNCj4gPj4+IGFueSBp bnRlcmVzdCBpbiB0aGUgY29tbXVuaXR5Pw0KPiA+Pj4+PiBUaGFua3MsDQo+ID4+Pj4+DQo+ID4+ Pj4+IE1pa2UuDQo+ID4+Pj4gQmV0dGVyIHRvIGltcGxlbWVudCBhIE5BUEkgbGlrZSBhbGdvcml0 aG0gdGhhdCBhZGFwdHMgZnJvbSBwb2xsIHRvDQo+ID4+PiBpbnRlcnJ1cHQuDQo+ID4+Pg0KPiA+ Pj4gQWdyZWVkLCBidXQgRFBESyBpcyBjdXJyZW50bHkgcHVyZSBwb2xsLW1vZGUgYmFzZWQsIHNv IHVubGlrZSB0aGUgTkFQSScNCj4gPj4+IHNpbXBsZSBhbGdvcml0aG0sIHRoZSBuZXcgaGV1cmlz dGljIGFsZ29yaXRobSBzaG91bGQgbm90IHN3aXRjaCBmcm9tDQo+ID4+PiBwb2xsLW1vZGUgdG8g aW50ZXJydXB0LW1vZGUgaW1tZWRpYXRlbHkgb25jZSB0aGVyZSBpcyBubyBwYWNrZXQgaW4gdGhl DQo+ID4+PiByZWNlbnQgcG9sbC4gT3RoZXJ3aXNlLCBtb2RlIHN3aXRjaGluZyB3aWxsIGJlIHRv byBmcmVxdWVudCB3aGljaCBicmluZ3MNCj4gPj4+IHNlcmlvdXMgbmVnYXRpdmUgcGVyZm9ybWFu Y2UgaW1wYWN0IHRvIERQREsuDQo+ID4+Pg0KDQo=