From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 4898C1B28A for ; Wed, 27 Dec 2017 07:19:44 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Dec 2017 22:19:44 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,464,1508828400"; d="scan'208";a="190240652" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by fmsmga006.fm.intel.com with ESMTP; 26 Dec 2017 22:19:44 -0800 Received: from fmsmsx156.amr.corp.intel.com (10.18.116.74) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 26 Dec 2017 22:19:40 -0800 Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by fmsmsx156.amr.corp.intel.com (10.18.116.74) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 26 Dec 2017 22:19:38 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX104.ccr.corp.intel.com ([169.254.5.152]) with mapi id 14.03.0319.002; Wed, 27 Dec 2017 14:18:58 +0800 From: "Wu, Jingjing" To: "Xing, Beilei" CC: "dev@dpdk.org" Thread-Topic: [PATCH] net/i40e: change VF default ITR interval Thread-Index: AQHTftgfbWqWCzT+JUOgSmLRcd70kqNWtycA Date: Wed, 27 Dec 2017 06:18:57 +0000 Message-ID: <9BB6961774997848B5B42BEC655768F810EECA47@SHSMSX103.ccr.corp.intel.com> References: <1514354509-146422-1-git-send-email-beilei.xing@intel.com> In-Reply-To: <1514354509-146422-1-git-send-email-beilei.xing@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiZGY2NDE2NzUtY2U1My00Zjk2LThhZmMtMDdjNTJiODUyNGY1IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE2LjUuOS4zIiwiVHJ1c3RlZExhYmVsSGFzaCI6ImtGaUFGbTFSZFwvc1wvYSsydXhScFwvazdHekpNS01MTWczR2JBWTQxNUVTMlE9In0= x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] net/i40e: change VF default ITR interval X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Dec 2017 06:19:45 -0000 > -----Original Message----- > From: Xing, Beilei > Sent: Wednesday, December 27, 2017 2:02 PM > To: Wu, Jingjing > Cc: dev@dpdk.org > Subject: [PATCH] net/i40e: change VF default ITR interval >=20 > Current default ITR interval I40E_QUEUE_ITR_INTERVAL_DEFAULT is > used by both DPDK PF and DPDK VF, but this ITR interval value > will cause lots of interrupts when using VF. This patch modifies > VF default ITR interval to reduce interrupts. > ITR interval can be configured by RTE_LIBRTE_I40E_ITR_INTERVAL > if expecting low latency. >=20 > Signed-off-by: Beilei Xing Acked-by: Jingjing Wu