From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7EDBF41C58 for ; Fri, 10 Feb 2023 02:59:08 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EC83240EE6; Fri, 10 Feb 2023 02:59:07 +0100 (CET) Received: from CNSHPPMGWESA01.NOKIA-SBELL.COM (cnshjsmin03.app.nokia-sbell.com [116.246.26.71]) by mails.dpdk.org (Postfix) with ESMTP id 71FA140EE3 for ; Fri, 10 Feb 2023 02:59:04 +0100 (CET) X-IronPort-AV: E=Sophos;i="5.97,285,1669046400"; d="scan'208";a="10683633" Received: from unknown (HELO CNSHPPEXCH1601.nsn-intra.net) ([135.251.51.101]) by CNSHPPMGWESA01.NOKIA-SBELL.COM with ESMTP; 10 Feb 2023 09:59:02 +0800 Received: from CNSHPPEXCH1601.nsn-intra.net (135.251.51.101) by CNSHPPEXCH1601.nsn-intra.net (135.251.51.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 10 Feb 2023 09:59:02 +0800 Received: from CNSHPPEXCH1601.nsn-intra.net ([135.251.51.101]) by CNSHPPEXCH1601.nsn-intra.net ([135.251.51.101]) with mapi id 15.01.2375.034; Fri, 10 Feb 2023 09:59:02 +0800 From: "Xiaoping Yan (NSB)" To: Stephen Hemminger CC: "users@dpdk.org" Subject: RE: cache miss increases when change rx descriptor from 512 to 2048 Thread-Topic: cache miss increases when change rx descriptor from 512 to 2048 Thread-Index: Adk8OQsj9xJt7PEUSNOohuqhMMgO6gAKM7OAACQ2JVA= Date: Fri, 10 Feb 2023 01:59:02 +0000 Message-ID: <56bfdfd02a484084aceb37699b8fc043@nokia-sbell.com> References: <4b132ffd05594663b5abb71f42e6f97f@nokia-sbell.com> <20230209083815.753f41ea@hermes.local> In-Reply-To: <20230209083815.753f41ea@hermes.local> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [135.251.51.115] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org SGkgU3RlcGhlbiwNCg0KQ2FuIHlvdSBoZWxwIHRvIGVsYWJvcmF0ZSBhIGJpdCBvbiAiIHNpbmNl IGRlc2NyaXB0b3JzIGFyZSB1c2VkIExJRk8gdGhlIHJ4IGRlc2NyaXB0b3IgYW5kIG1idWYgd2ls bCBub3QgYmUgaW4gY2FjaGUuIj8NCkxhc3QgaW4gbWVhbnMgdGhlIG1idWYganVzdCB1c2VkIGFu ZCBmcmVlZD8gQW5kIEZPIG1lYW5zIHN1Y2ggbWJ1ZiAoTEkpIHdpbGwgYmUgdXNlZCBmaXJzdCwg d291bGQgaXQgbWVhbiB0aGF0IGl0IGhhcyBnb29kIGNoYW5jZSBpdCBpcyBzdGlsbCBpbiBjYWNo ZT8NCg0KVGhhbmsgeW91IGEgbG90Lg0KDQpCciwgWGlhb3BpbmcNCg0KLS0tLS1PcmlnaW5hbCBN ZXNzYWdlLS0tLS0NCkZyb206IFN0ZXBoZW4gSGVtbWluZ2VyIDxzdGVwaGVuQG5ldHdvcmtwbHVt YmVyLm9yZz4gDQpTZW50OiAyMDIzxOoy1MIxMMjVIDA6MzgNClRvOiBYaWFvcGluZyBZYW4gKE5T QikgPHhpYW9waW5nLnlhbkBub2tpYS1zYmVsbC5jb20+DQpDYzogdXNlcnNAZHBkay5vcmcNClN1 YmplY3Q6IFJlOiBjYWNoZSBtaXNzIGluY3JlYXNlcyB3aGVuIGNoYW5nZSByeCBkZXNjcmlwdG9y IGZyb20gNTEyIHRvIDIwNDgNCg0KT24gVGh1LCA5IEZlYiAyMDIzIDAzOjU4OjU2ICswMDAwDQoi WGlhb3BpbmcgWWFuIChOU0IpIiA8eGlhb3BpbmcueWFuQG5va2lhLXNiZWxsLmNvbT4gd3JvdGU6 DQoNCj4gSGkgZXhwZXJ0cywNCj4gDQo+IEkgaGFkIGEgdHJhZmZpYyB0aHJvdWdocHV0IHRlc3Qg Zm9yIG15IGRwZGsgYXBwbGljYXRpb24sIHdpdGggc2FtZSBzb2Z0d2FyZSBhbmQgdGVzdCBjYXNl LCBvbmx5IGRpZmZlcmVuY2UgaXMgdGhlIG51bWJlciBvZiByeC90eCBkZXNjcmlwdG9yOg0KPiBS eC90eCBkZXNjcmlwdG9yIDUxMiwgdGVzdCByZXN1bHQgMy4ybXBwcyBSeC90eCBkZXNjcmlwdG9y IDIwNDgsIHRlc3QgDQo+IHJlc3VsdCAzbXBwIEZyb20gcGVyZiBkYXRhLCByeCBkZXNjcmlwdG9y IDIwNDggY2FzZSBoYXMgbW9yZSBjYWNoZSANCj4gbWlzcywgYW5kIGxvd2VyIGluc3RydWN0aW9u IHBlciBjeWNsZSBQZXJmIGZvciA1MTIgcnggZGVzY3JpcHRvcg0KPiAgICAgICAxMTQyODkyMzc3 OTIgICAgICBjcHUtY3ljbGVzDQo+ICAgICAgIDM2NTQwODQwMjM5NSAgICAgIGluc3RydWN0aW9u cyAgICAgICAgICAgICAgIyAgICAzLjIwICBpbnNuIHBlciBjeWNsZQ0KPiAgICAgICAgNzQxODYy ODk5MzIgICAgICBicmFuY2hlcw0KPiAgICAgICAgICAgMzYwMjA3OTMgICAgICBicmFuY2gtbWlz c2VzICAgICAgICAgICAgICMgICAgMC4wNSUgb2YgYWxsIGJyYW5jaGVzDQo+ICAgICAgICAgMTI5 ODc0MTM4OCAgICAgIGJ1cy1jeWNsZXMNCj4gICAgICAgICAgICAzNDEzNDYwICAgICAgY2FjaGUt bWlzc2VzICAgICAgICAgICAgICAjICAgIDAuNzIzICUgb2YgYWxsIGNhY2hlIHJlZnMNCj4gICAg ICAgICAgNDcyMzYzNjU0ICAgICAgY2FjaGUtcmVmZXJlbmNlcw0KPiBQZXJmIGZvciAyMDQ4IHJ4 IGRlc2NyaXB0b3I6DQo+ICAgICAgICA1NzAzODQ1MTE4NSAgICAgIGNwdS1jeWNsZXMNCj4gICAg ICAgMTczODA1NDg1NTczICAgICAgaW5zdHJ1Y3Rpb25zICAgICAgICAgICAgICAjICAgIDMuMDUg IGluc24gcGVyIGN5Y2xlDQo+ICAgICAgICAzNTI4OTYwNzM4OSAgICAgIGJyYW5jaGVzDQo+ICAg ICAgICAgICAxNTQxODg4NSAgICAgIGJyYW5jaC1taXNzZXMgICAgICAgICAgICAgIyAgICAwLjA0 JSBvZiBhbGwgYnJhbmNoZXMNCj4gICAgICAgICAgNjQ4MTY0MjM5ICAgICAgYnVzLWN5Y2xlcw0K PiAgICAgICAgICAgMTMxNzA1OTYgICAgICBjYWNoZS1taXNzZXMgICAgICAgICAgICAgICMgICAg MS43MDIgJSBvZiBhbGwgY2FjaGUgcmVmcw0KPiAgICAgICAgICA3NzM3NjUyNjMgICAgICBjYWNo ZS1yZWZlcmVuY2VzDQo+IA0KPiBJIHVuZGVyc3RhbmQgaXQgbWVhbnMgbW9yZSByeCBkZXNjcmlw dG9yIHNvbWVob3cgY2F1c2VzIG1vcmUgY2FjaGUgbWlzcyBhbmQgdGhlbiBsZXNzIGluc3RydWN0 aW9uIHBlciBjeWNsZSwgc28gbG93ZXIgcGVyZm9ybWFuY2UuDQo+IA0KPiBBbnkgb25lIG9ic2Vy dmUgc2ltaWxhciByZXN1bHRzPw0KPiBBbnkgaWRlYSB0byBtaXRpZ2F0ZSAob3IgaW52ZXN0aWdh dGUgZnVydGhlcikgdGhlIGltcGFjdD8gKHdlIHdhbnQgdG8gDQo+IHVzZSAyMDQ4IHRvIGJldHRl ciB0b2xlcmF0ZSBzb21lIGppdHRlci9idXJzdCkgQW55IGNvbW1lbnQ/DQo+IA0KPiBUaGFuayB5 b3UuDQo+IA0KPiBCciwgWGlhb3BpbmcNCj4gDQoNCklmIG51bWJlciBvZiBSWCBkZXNjcmlwdG9y cyBpcyBzbWFsbCwgdGhlcmUgaXMgYSBoaWdoZXIgY2hhbmNlIHRoYXQgd2hlbiB0aGUgZGV2aWNl IGRyaXZlciB3YWxrcyB0aGUgZGVzY3JpcHRvciB0YWJsZSBvciBpcyB1c2luZyB0aGUgcmVzdWx0 aW5nIG1idWYgdGhhdCB0aGUgZGF0YSBpcyBzdGlsbCBpbiBjYWNoZS4NCg0KV2l0aCBsYXJnZSBu dW1iZXIgb2YgZGVzY3JpcHRvcnMsIHNpbmNlIGRlc2NyaXB0b3JzIGFyZSB1c2VkIExJRk8gdGhl IHJ4IGRlc2NyaXB0b3IgYW5kIG1idWYgd2lsbCBub3QgYmUgaW4gY2FjaGUuDQo=