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 0AECDA054D; Mon, 21 Nov 2022 02:39:00 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id ADD094014F; Mon, 21 Nov 2022 02:38:59 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by mails.dpdk.org (Postfix) with ESMTP id D008540041 for ; Mon, 21 Nov 2022 02:38:57 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1668994738; x=1700530738; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=X6w0urATPjApSY7nCa62N3uS6Y81SxQ4yY0HD5dJF4k=; b=T2A+DCp7u9b3zAYajZ857vf2yHkgSU2t5HZRYszj3PJPvFuDz2igckN+ oTRQAv3neVzcA1jP/JMaHj4etraLISytKXYWcR3pUGOWQb1NSkHty3EMR hWdqsi6LREjjlzJYI5/y56+RxrNLaenXzodX2OIMm8sxJtFVzoVRqW98F X7vRp6Y+DdEaAu1r/pqHWL70mYG5tU419Fr3oksLJT3DhG0gj6LaBXIVq OF+Iz8Ov/vweecr9I/la6m/cZOIoVqvGkcdd9fj26JaSUBUArcJ60CcWv fire3aeMCOP87v2iVBi+d3A/QnTFGMlBu6DgkkDQlrGy2QLjx8o11JEb+ g==; X-IronPort-AV: E=McAfee;i="6500,9779,10537"; a="314600115" X-IronPort-AV: E=Sophos;i="5.96,180,1665471600"; d="scan'208";a="314600115" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2022 17:38:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10537"; a="591605865" X-IronPort-AV: E=Sophos;i="5.96,180,1665471600"; d="scan'208";a="591605865" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by orsmga003.jf.intel.com with ESMTP; 20 Nov 2022 17:38:56 -0800 Received: from fmsmsx603.amr.corp.intel.com (10.18.126.83) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sun, 20 Nov 2022 17:38:55 -0800 Received: from fmsedg601.ED.cps.intel.com (10.1.192.135) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31 via Frontend Transport; Sun, 20 Nov 2022 17:38:55 -0800 Received: from NAM02-DM3-obe.outbound.protection.outlook.com (104.47.56.46) by edgegateway.intel.com (192.55.55.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2375.31; Sun, 20 Nov 2022 17:38:55 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IqpvUIkI8VEEM9WGk9aOjiM0e4N82WvX79mYwUI6EZrcdrbeEQy6IhtC0Bl7sryIkWnitRBxWAE47V9CJ/t6j/bRVXTr8ojiBmRNEgqHQups80OSORoeVn0sg1UjA5iGWNzMfGvBe7mpk810vIn/QhtHE83mCSWccateTI2MXotANE/qE7xPjoUVT5ZdKNQbpK+yK9BCGMTHVYrh+vns3qGoPYfJnZha9wDk3vw+SzGePUUKmRcav3bV694ixtsE7e8ClqLtUn+ydCyJiTkKInc5zLgkw3Hj+l8UkexBtIx0L3gD7tp+nDFJwENLzJE9p/lUPXQNmOyhYXxDzXFE7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/bnRVsLT4SB/tyGvz3bJZMwv+i7dzMCl5P0fZ+PCwz8=; b=GBZHkalmNkU0Wr6aOnIjMuMxxhg19Hs8Jahdjjc7VEdUoLrNANi7Tbj/9JssAwtLns0ekhTheGp3pMMmKrqcdGEMIkIoz1kICTJlXS+M4OxGbRroyWEfbTT3YRbGXr2Do5R8JLGbHvJXVcWIOZnyMgkJDJTep8BNGkMP8GTTxRgXHVl+auwBVDihI6kMjxNXWB9BDYT/C2pwz3j1BHnhR9rsK5Iy30c5h43dk/MGg+lzAhsaTaPr0xzCoopeZGBuNkvlw+Xp0AMlogUN97CYsuq4HaqOSonFdj9/Z/pff8ETxvJ+vKKdwParDBhOq85RXE3dGSMMnsIiTQhkNzSbvg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from SN6PR11MB3504.namprd11.prod.outlook.com (2603:10b6:805:d0::17) by DM4PR11MB5312.namprd11.prod.outlook.com (2603:10b6:5:393::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5834.15; Mon, 21 Nov 2022 01:38:49 +0000 Received: from SN6PR11MB3504.namprd11.prod.outlook.com ([fe80::3c6a:7a7c:129d:aecb]) by SN6PR11MB3504.namprd11.prod.outlook.com ([fe80::3c6a:7a7c:129d:aecb%4]) with mapi id 15.20.5834.011; Mon, 21 Nov 2022 01:38:48 +0000 From: "Xia, Chenbo" To: Matan Azrad , Maxime Coquelin CC: "dev@dpdk.org" Subject: RE: [PATCH] doc: improve event core description in vDPA mlx5 Thread-Topic: [PATCH] doc: improve event core description in vDPA mlx5 Thread-Index: AQHY90F+UlYgDVYvhk6WhrraDVDFJK5IpUfw Date: Mon, 21 Nov 2022 01:38:48 +0000 Message-ID: References: <20221113092137.1252803-1-matan@nvidia.com> In-Reply-To: <20221113092137.1252803-1-matan@nvidia.com> Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SN6PR11MB3504:EE_|DM4PR11MB5312:EE_ x-ms-office365-filtering-correlation-id: 985a0b3e-5b01-4d46-5e9e-08dacb6122fe x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SN6PR11MB3504.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230022)(366004)(396003)(376002)(136003)(39860400002)(346002)(451199015)(71200400001)(478600001)(66556008)(66946007)(66446008)(9686003)(110136005)(76116006)(41300700001)(8676002)(66476007)(4326008)(64756008)(186003)(8936002)(52536014)(26005)(33656002)(5660300002)(6506007)(53546011)(316002)(7696005)(83380400001)(2906002)(82960400001)(86362001)(55016003)(38100700002)(38070700005)(122000001); DIR:OUT; SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?6D9SSj9iPgQUEj/pkateH4tGDqRJI39uZH1oL54fob37M4C6sPd+AvuTmevf?= =?us-ascii?Q?bsYsQ4kZVKQVyWNV0RQ2d8XnmjHn12B8zUQ00phLKnqZUIe64qiniEdEGDI9?= =?us-ascii?Q?OUDpD5z6G0dfYFj1j/0XU0MZwqMM1KMWjmRp2n8JAnqAsoBmAJDLayigENqJ?= =?us-ascii?Q?FZ7Rdk7K5IbYNttgjXfd7qYbwkeeHXaRoR0WZJ9aNeZmuqhLKZxC7k4wzrHZ?= =?us-ascii?Q?5LLFOGGypeaJZrE9G0x5pMRR0brhTFA4t2hQvPpa3Fekh+OH8tJYs2gnvpdz?= =?us-ascii?Q?caR5Yn6sDMVr3e6mj+3KBKcRt78KkXOk96Hah3zMKZM3/rT57ZCVQsusotjE?= =?us-ascii?Q?+a7prRm59Xfg8xHFcpuymhXwZ2RNvw4nEzNwk4kcK43IrDY0J7J4meu68PRH?= =?us-ascii?Q?6CybM+cmfq7CkMFi78HxUhEGkpC7tmuz4hO0cxzHa2yyQS7NJ/oeWMsp6172?= =?us-ascii?Q?pF6XvmRhsvi2ay12UyXWf93cKrOtLRG3v55H/1RIL+NUKMijiwnXs9EGjzBO?= =?us-ascii?Q?ZfEpr/hv8CtbXg9Q88pxCPN7KthzTd+9q4u+KqfeYA8bsE7chuX1dGrhrNkz?= =?us-ascii?Q?iifjdm8k20U1TVn5OK4tGeJ7MCb9KEddmxjtSwYqT9vuWym8jTLysa4/2oU1?= =?us-ascii?Q?ryy8m8GRkqWdLeqHzJjsO6OGsiln7g1AFr6+nfkoDdEq/n8hjAMNKhBYoxm0?= =?us-ascii?Q?WwSshwiJSatQvaoeUpZaFO7nRwg5cd06cz8vG9K6ySkTNAfDmRxOGo5VXDal?= =?us-ascii?Q?jYZ5NI67gSfkvkhK4GwgwrXoO3tui9fAgY8lF5ejWT1oJqdQL2thW++bueEA?= =?us-ascii?Q?TbZ2E2wPMcS9rPxjKkGAORGmwoT4XPmxuu1PJbFdtEjbCA4fU4V2yirlBg/p?= =?us-ascii?Q?5lwq+8OzbdYnOhvHHtpVKF56RgeIqHy7Ws/tX6eAU1N6VHX8Cmw+/tXh4pkm?= =?us-ascii?Q?WbB4iNTH+YTPjlLegevjpg4jnehNTzQHDRNTHZrE4AEgzmd1U58oJmqvC+IA?= =?us-ascii?Q?HfFETY4Tt/J23+ccd/rQVhSJ9DAFK6pA2Tavse9EJnHXHBohesdNzmOBgtCN?= =?us-ascii?Q?u4sadQhmDWTZbxK69Q3kpLT5wsxfKA+bZApJB/x95vImAgJIOa4SIvCjg8PP?= =?us-ascii?Q?5VX8KqfTtHD5MUSOeUYS1xJnOPxZPqsvrUorw9oQbdmJR9uIOiF1JDQ/I4dy?= =?us-ascii?Q?MsRR5PVgb0vYOMkGwq9N5n4dtXDq3pvgn9Z+eGJFKKqb3RXJ0691yFqW9ESF?= =?us-ascii?Q?Bh3ehhQj3Hek8l1+hKxsuAppHQxzEk9rctKJeU8u5j8f+G5jXWlZsGNbH5rm?= =?us-ascii?Q?jBkehJ6qQO+FFrU+itbjFkcsH0qf2i43/QAQWzV/9bSlPyXHj9iU/LNhnAqe?= =?us-ascii?Q?VuIRryRVIAwYLIvqsTIWdwsugRH1cDlpiKkZ3WQGgIHTKEKDwnZ0xFeMpBgW?= =?us-ascii?Q?k+CLD4B2oiJXADefvbCrCOULC5hk6bZHo2jmjTJ7mTdkSwnu+WQUbVWuxwGp?= =?us-ascii?Q?RJTqEr0ZbilpSOPdhqNKWJGptaFUixlY4nLWCXbIgm3IkJLwsXqbeUrwYxEI?= =?us-ascii?Q?6K9OBO5pIDCoruwb9UrHjVHs8HvaUU2zP6SRBaFx?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB3504.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 985a0b3e-5b01-4d46-5e9e-08dacb6122fe X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Nov 2022 01:38:48.5239 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: pHQ2OOud6FH+oWgU0xrHTR5yvCof9EA1LIa51cKX0srbJXgqpSG54IfD2kRzcBG7TclWI617PoGm0TwZ8N/npA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB5312 X-OriginatorOrg: intel.com X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Matan Azrad > Sent: Sunday, November 13, 2022 5:22 PM > To: Maxime Coquelin > Cc: dev@dpdk.org > Subject: [PATCH] doc: improve event core description in vDPA mlx5 >=20 > The event core is mlx5 vDPA driver devarg that selects the CPU core for > the internal timer thread used to manage data-path events into the > driver. >=20 > Emphasize that this CPU should be isolated for vDPA mlx5 devices only in > order to save the performance and latency of the device. >=20 > Signed-off-by: Matan Azrad > --- > doc/guides/vdpadevs/mlx5.rst | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) >=20 > diff --git a/doc/guides/vdpadevs/mlx5.rst b/doc/guides/vdpadevs/mlx5.rst > index 9767fbe42d..3b5ce6df38 100644 > --- a/doc/guides/vdpadevs/mlx5.rst > +++ b/doc/guides/vdpadevs/mlx5.rst > @@ -86,8 +86,13 @@ for an additional list of options shared with other > mlx5 drivers. >=20 > - ``event_core`` parameter [int] >=20 > - CPU core number to set polling thread affinity to, default to control > plane > - cpu. > + The CPU core number of the timer thread, default: EAL main lcore. > + > +.. note:: > + > + This core can be shared among different mlx5 vDPA devices as > `event_core` but > + using it also for other tasks may affect the performance and the > latency of the > + mlx5 vDPA devices. >=20 > - ``max_conf_threads`` parameter [int] >=20 > -- > 2.25.1 Reviewed-by: Chenbo Xia