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GET /api/patches/119810/?format=api
{ "id": 119810, "url": "http://patches.dpdk.org/api/patches/119810/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20221113092137.1252803-1-matan@nvidia.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20221113092137.1252803-1-matan@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20221113092137.1252803-1-matan@nvidia.com", "date": "2022-11-13T09:21:37", "name": "doc: improve event core description in vDPA mlx5", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "3b686b79fc50f466189336e7ee00cd4186024507", "submitter": { "id": 1911, "url": "http://patches.dpdk.org/api/people/1911/?format=api", "name": "Matan Azrad", "email": "matan@nvidia.com" }, "delegate": { "id": 2642, "url": "http://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20221113092137.1252803-1-matan@nvidia.com/mbox/", "series": [ { "id": 25742, "url": "http://patches.dpdk.org/api/series/25742/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=25742", "date": "2022-11-13T09:21:37", "name": "doc: improve event core description in vDPA mlx5", "version": 1, "mbox": "http://patches.dpdk.org/series/25742/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/119810/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/119810/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 8DC05A0560;\n\tSun, 13 Nov 2022 10:22:17 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 267C7410E5;\n\tSun, 13 Nov 2022 10:22:17 +0100 (CET)", "from NAM11-CO1-obe.outbound.protection.outlook.com\n (mail-co1nam11on2063.outbound.protection.outlook.com [40.107.220.63])\n by mails.dpdk.org (Postfix) with ESMTP id DBA6840150\n for <dev@dpdk.org>; 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helo=mail.nvidia.com; pr=C", "From": "Matan Azrad <matan@nvidia.com>", "To": "Maxime Coquelin <maxime.coquelin@redhat.com>", "CC": "<dev@dpdk.org>", "Subject": "[PATCH] doc: improve event core description in vDPA mlx5", "Date": "Sun, 13 Nov 2022 11:21:37 +0200", "Message-ID": "<20221113092137.1252803-1-matan@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[10.126.230.35]", "X-ClientProxiedBy": "rnnvmail201.nvidia.com (10.129.68.8) To\n rnnvmail201.nvidia.com (10.129.68.8)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "BN8NAM11FT058:EE_|SJ1PR12MB6051:EE_", "X-MS-Office365-Filtering-Correlation-Id": "028873dd-1456-41f1-98e8-08dac5588cba", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n ien0ODt/hdfDolgeGtO7EAP3rRJJ5A4fBSsmOBiZnWe8qzWioJUCjsMsBp5CrfslzRaa8dgnwctyAXgdWpn3J3bMHmwruiMsFYBuEuFO433bY/qjoQDRWU2M7zfH8SABUP1Z4PrjwtImsfzhr7crTfBMHKulR2dZJnSrKWVeflcqy+xuSlJH6w3qWefluP5QRnuzJxFEK3SGcgfcDqwf2LzWIiQGhBOOn0/uYuIo7NHsP22jOgV1pLa0bS4JjHGbRLMGrfCF7y25jhIXcvRHCA/p2xojjX5ruRYVx7DRi/cvLl2H3FVBfQbrsEL+g+kl0RLkcmBLCgQL7M4Y6NO/HUTCGd2W50UACzSrWChwrJ+m3CQg2CmMmBXUaMDo1B8By7IN75PKEImv3u1XSfZw8sucuHz/X5jzj3bch75z3p6LVaygHiuJAwcn1DiL61tkzNpUypRl6XVeDg2+8bhPCKWGEgUMrvWu+99NiWSjjihUeSKnPbJDo0lcc8PrBXxsFtIhHycQcmOSUOqpG54luag2rH2P5dxF7Z/jRYAmIebVSOi98X4LugVQIIkRoj6ksJHbbY+930DQmhjxFRaqDmtN1EbvzQa7fagnfJ0lHokKO5PclB2Viuj+/g/euXDCW0OPirE1zDUMEZi3ui7oZIHgUT8NCHfp0gILkf0EMlG3BbjkHpLzByY7cPGE8pjHVNn+amU2TL4vOznU26GyuLsscZnwjEFNdf8I1zb/qBgoGRrXBmjb+p+Mz63OxjTKYMZyrAW3oCoJ6MVSnIT7xw==", "X-Forefront-Antispam-Report": "CIP:216.228.117.161; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE;\n SFS:(13230022)(4636009)(39860400002)(396003)(376002)(136003)(346002)(451199015)(36840700001)(46966006)(40470700004)(36860700001)(83380400001)(316002)(86362001)(82740400003)(356005)(7636003)(40460700003)(2906002)(41300700001)(82310400005)(4326008)(5660300002)(8936002)(40480700001)(7696005)(6666004)(55016003)(6286002)(26005)(2616005)(186003)(16526019)(47076005)(426003)(336012)(6916009)(70586007)(70206006)(1076003)(8676002)(478600001)(36756003);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 Nov 2022 09:22:13.3148 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 028873dd-1456-41f1-98e8-08dac5588cba", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n BN8NAM11FT058.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "SJ1PR12MB6051", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "The event core is mlx5 vDPA driver devarg that selects the CPU core for\nthe internal timer thread used to manage data-path events into the\ndriver.\n\nEmphasize that this CPU should be isolated for vDPA mlx5 devices only in\norder to save the performance and latency of the device.\n\nSigned-off-by: Matan Azrad <matan@nvidia.com>\n---\n doc/guides/vdpadevs/mlx5.rst | 9 +++++++--\n 1 file changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/doc/guides/vdpadevs/mlx5.rst b/doc/guides/vdpadevs/mlx5.rst\nindex 9767fbe42d..3b5ce6df38 100644\n--- a/doc/guides/vdpadevs/mlx5.rst\n+++ b/doc/guides/vdpadevs/mlx5.rst\n@@ -86,8 +86,13 @@ for an additional list of options shared with other mlx5 drivers.\n \n - ``event_core`` parameter [int]\n \n- CPU core number to set polling thread affinity to, default to control plane\n- cpu.\n+ The CPU core number of the timer thread, default: EAL main lcore.\n+\n+.. note::\n+\n+ This core can be shared among different mlx5 vDPA devices as `event_core` but\n+ using it also for other tasks may affect the performance and the latency of the\n+ mlx5 vDPA devices.\n \n - ``max_conf_threads`` parameter [int]\n \n", "prefixes": [] }