From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 86CE21B00B for ; Tue, 9 Jan 2018 08:52:42 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2018 23:52:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,334,1511856000"; d="scan'208";a="9783965" Received: from fmsmsx105.amr.corp.intel.com ([10.18.124.203]) by orsmga006.jf.intel.com with ESMTP; 08 Jan 2018 23:52:41 -0800 Received: from fmsmsx113.amr.corp.intel.com (10.18.116.7) by FMSMSX105.amr.corp.intel.com (10.18.124.203) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 8 Jan 2018 23:52:40 -0800 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by FMSMSX113.amr.corp.intel.com (10.18.116.7) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 8 Jan 2018 23:52:40 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.159]) with mapi id 14.03.0319.002; Tue, 9 Jan 2018 15:52:37 +0800 From: "Zhang, Helin" To: "Wu, Jingjing" , "Xing, Beilei" CC: "dev@dpdk.org" Thread-Topic: [PATCH] net/i40e: change VF default ITR interval Thread-Index: AQHTftrIk69xFdtElkWNbHeUaDMNKKNrP9Hg Date: Tue, 9 Jan 2018 07:52:36 +0000 Message-ID: References: <1514354509-146422-1-git-send-email-beilei.xing@intel.com> <9BB6961774997848B5B42BEC655768F810EECA47@SHSMSX103.ccr.corp.intel.com> In-Reply-To: <9BB6961774997848B5B42BEC655768F810EECA47@SHSMSX103.ccr.corp.intel.com> Accept-Language: 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="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: Tue, 09 Jan 2018 07:52:42 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wu, Jingjing > Sent: Wednesday, December 27, 2017 2:19 PM > To: Xing, Beilei > Cc: dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] net/i40e: change VF default ITR interval >=20 >=20 >=20 > > -----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 > > > > 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. > > > > Signed-off-by: Beilei Xing >=20 > Acked-by: Jingjing Wu Applied to dpdk-next-net-intel, thanks! /Helin