From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id CFFA0A0C41;
	Thu, 30 Sep 2021 11:00:41 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id 539C440DDA;
	Thu, 30 Sep 2021 11:00:41 +0200 (CEST)
Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com
 [67.231.148.174])
 by mails.dpdk.org (Postfix) with ESMTP id 8B9884067E
 for <dev@dpdk.org>; Thu, 30 Sep 2021 11:00:39 +0200 (CEST)
Received: from pps.filterd (m0045849.ppops.net [127.0.0.1])
 by mx0a-0016f401.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18U2Z5h7027849; 
 Thu, 30 Sep 2021 02:00:38 -0700
Received: from nam02-bn1-obe.outbound.protection.outlook.com
 (mail-bn1nam07lp2046.outbound.protection.outlook.com [104.47.51.46])
 by mx0a-0016f401.pphosted.com with ESMTP id 3bd47dsf3w-1
 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT);
 Thu, 30 Sep 2021 02:00:38 -0700
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none;
 b=B376DJgPpki4fDSdJntccZxNqoSmkW/hFHtEKxyNNzX+K5/SH4F5UeQohTQmAX+wBcOLXGJwrd735T2nXGT8WvIzgqyOtcIRU8jrP41BM2CByZqdKU0xhxZYvg8dKtm10f7nBaU0lc3Klxv5T9ipjkZOSMIpgZSxW9TNxEfBVn2EqdRUj3MAAapCj7KFdnpER2QdC/3DRMzo8/A0ig6+/ixg4Nw9AvAwfx+t5Jt80ewpam1SDlP0mllwKt0a4DEG63O9bXcsCchGNeoLki1DMhcGnBWs4RD2/gFYuMd4GvNjhNDAgooqAkWyrahAp0bjz9XJZySh9Yz/vqL0cYxv/Q==
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; 
 bh=2FAChwHeg+USgwrZnqu3b5sl2Jg5w2qmpd/MbnpFSHY=;
 b=iuUAtqz+hgIxtC5YwPiV78AA1r2Y/pIBg8QdDwlqwCq/oSe2peJxRHioWxE08DloVJTIfUhI0KmLF/7Yc8KTJwZnVkvvB377po4Yvxlv8IZ9+3R6GeFiO4v50Yz3oPaJ8bGnGAFBwzn2LT8zrv4cBIikTUdxeJOUca3WccpjroP7gu1Grjz4hcvMDY01PrUz48YelRJ5ng+ZlB0cWzFcwI9ChlAT3ZnfG6BS9MjKzvdhrMh23LPuqlWZAouyE20qBgjVt3hMw4wjSBMSs81HqfKDllHhBj5vkzoWjO2xB3TixxbV/TtwwJnS0hMiVS7TjD1Z00HBdeELCBHxMRk6Jw==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass
 smtp.mailfrom=marvell.com; dmarc=pass action=none header.from=marvell.com;
 dkim=pass header.d=marvell.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=marvell.onmicrosoft.com; s=selector1-marvell-onmicrosoft-com;
 h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;
 bh=2FAChwHeg+USgwrZnqu3b5sl2Jg5w2qmpd/MbnpFSHY=;
 b=cYjNxNcPIDLOMI975uRSZSA5/3DgEL6QqUFukG+ZuGPtdBknhMFGvffmyji4DnPnz4wh7WJSh+Thsu4l32EVFRXhxrj4+T7xc/8vfIZMiqUwlWg9eHbK+Bmp96wL/sPkh/IdqSf596x/QHOlvMFeYYFq7UdfShTUQMeOkqhXF5w=
Received: from CO1PR18MB4714.namprd18.prod.outlook.com (2603:10b6:303:e9::18)
 by CO1PR18MB4572.namprd18.prod.outlook.com (2603:10b6:303:ff::5) with
 Microsoft SMTP Server (version=TLS1_2,
 cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4566.15; Thu, 30 Sep
 2021 09:00:35 +0000
Received: from CO1PR18MB4714.namprd18.prod.outlook.com
 ([fe80::8c05:ddeb:f02:7b5c]) by CO1PR18MB4714.namprd18.prod.outlook.com
 ([fe80::8c05:ddeb:f02:7b5c%9]) with mapi id 15.20.4544.021; Thu, 30 Sep 2021
 09:00:35 +0000
From: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
To: "Power, Ciara" <ciara.power@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "Richardson, Bruce" <bruce.richardson@intel.com>
Thread-Topic: [v2] telemetry: fix json output buffer size
Thread-Index: AQHXrtg6MmPSd4ObGUu60JBuDu7u+auvyKWAgAFW1WCACzKDAIAAAs8g
Date: Thu, 30 Sep 2021 09:00:35 +0000
Message-ID: <CO1PR18MB471471AFF50635A07511E699CBAA9@CO1PR18MB4714.namprd18.prod.outlook.com>
References: <5a95b25b81e7ee57edfdcea73b9266bc8dae8d77.1631120194.git.gmuthukrishn@marvell.com>
 <20210921110243.1919933-1-gmuthukrishn@marvell.com>
 <MN2PR11MB3821B4990DCE4198F8D70FAEE6A29@MN2PR11MB3821.namprd11.prod.outlook.com>
 <CO1PR18MB47148E73A33D30A785A8D5F7CBA39@CO1PR18MB4714.namprd18.prod.outlook.com>
 <MN2PR11MB3821207B63FDBDB78B2DDF45E6AA9@MN2PR11MB3821.namprd11.prod.outlook.com>
In-Reply-To: <MN2PR11MB3821207B63FDBDB78B2DDF45E6AA9@MN2PR11MB3821.namprd11.prod.outlook.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 015390db-3067-4886-7942-08d983f0c3f7
x-ms-traffictypediagnostic: CO1PR18MB4572:
x-microsoft-antispam-prvs: <CO1PR18MB4572891F24BE303E91E8C112CBAA9@CO1PR18MB4572.namprd18.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:6430;
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:CO1PR18MB4714.namprd18.prod.outlook.com; PTR:; CAT:NONE;
 SFS:(4636009)(366004)(2906002)(508600001)(122000001)(38100700002)(52536014)(110136005)(71200400001)(316002)(4326008)(64756008)(66556008)(66476007)(55016002)(7696005)(186003)(83380400001)(76116006)(86362001)(66946007)(4744005)(9686003)(6506007)(66446008)(8936002)(38070700005)(33656002)(5660300002)(26005)(8676002);
 DIR:OUT; SFP:1101; 
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?1Yr8SbPUPY2Z+2tGg9+4mhfZhkaF8awhllzzxvjloJnI25wj7ZM3YFl8XdOj?=
 =?us-ascii?Q?rf2E4UQ/gHyB6HnfAVnORY0AdkjCXvkA4JAFydbg52RrNYq6CzrZvhs2/+lm?=
 =?us-ascii?Q?diq5Ta4zMDsJwaqMviMVXtmdncJTmeClvqxhJP0uuJg2ZJUk8bY5PQ4x3Utb?=
 =?us-ascii?Q?yhnVrRHyCf7HJwDlI8nJj4R3P8gJV9YdVq2E9Nf51vALDxZBn3pDw4dPVi6y?=
 =?us-ascii?Q?mC6etXeRY2pMKmhL/HTurxhfFvJ15+BO+P4cMl3h09HtssRzScVBpFJeZqEq?=
 =?us-ascii?Q?DlWnpPBA4xzh1Z/VJ4Fwrrlj6WKLUdrhQp9pVfUHfJYAOKRz8eYRyzijzZav?=
 =?us-ascii?Q?zf7ulJF49CmuQo0YBKkmwaGsdM2a2li/rRqPtgUd3ZMCTtLl2iKWKpZpzI2X?=
 =?us-ascii?Q?GtBNRYtxQbYZpqrw5C87afUwzNyDtkezbL/XU8UUMZSSxIrEV4vKCoMvfBpn?=
 =?us-ascii?Q?3/j7PWhGAVWpnIndvn7tC06Jq1TvPQB2D70WrB/vuMSBAR/Hl/eqCbHWz+MS?=
 =?us-ascii?Q?ldBoOgOUHPvwBa7ugILRxB2asNqocXHKcCgpZmeTDy7CXG+DHNpHXZXbCef3?=
 =?us-ascii?Q?GoavdTCc1HmyMg04angC+v9wkPrtLhw4UgWhfPyrdGCMEeNpDougyTOsxQ+c?=
 =?us-ascii?Q?rBnaq7LPiS76vqhD3qVZDWD3TbgFWGQ/Qu53cRTYibN8QZDugccwOMsKmdLq?=
 =?us-ascii?Q?czCkjDrjg1NfZj+Yo7R/hVmsu184/pa0p+Z7xcIAD6NvGYFO4Qi/3BdJ6VEl?=
 =?us-ascii?Q?D4LxQKdvWbCDwhudFoIngGIZKAhmkcVJPGw32Jj2KZM/SazMnC6lUpV8l2dm?=
 =?us-ascii?Q?PEf57oW/00d9pyH87eK1pXiLMIU2AIcVveAlc2SMbei5K+mEF89q9PayQtdn?=
 =?us-ascii?Q?Y/FVbt9kEskif/2FlMEc65z7zw8biPsYUJ6vJ4z/QtiVlIHJn4tp8K02WT3/?=
 =?us-ascii?Q?vnHRIgmGGumP9Efh/C5zMeGAkIbJX2rRTsD5voBW+p93Zer1dD6v5q02Zskp?=
 =?us-ascii?Q?uHMqFTroNbSiX2ey0iXdyAn5UNaeGJS5eNyRIKNKUT8Dln19xAp+nGHyu66n?=
 =?us-ascii?Q?t901017RIHJjDpNK/BbUzKTiHz8aW2aCp8VduBNZbAo/Y/ZDHRuEn65eHOE7?=
 =?us-ascii?Q?SiLWKNS04N304BXAuu6LeyPzefXozBqxe3MOa0mQlRYfkEu1ArVGk0+FlFNG?=
 =?us-ascii?Q?JSDD8WZTkiVgTe2KjcxnrW4Jll7G1Vwk4UjRqd3divmK+kpysSfGchuBlhuN?=
 =?us-ascii?Q?dCDmr9baP3LQkRMo2OjpMkDdH+NwJH91ln4O/fjeHwWS+xTvhIxzU3rcfmjw?=
 =?us-ascii?Q?fo18R3Z1bAO6o5BWRidcxOdy?=
x-ms-exchange-transport-forked: True
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: marvell.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: CO1PR18MB4714.namprd18.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 015390db-3067-4886-7942-08d983f0c3f7
X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Sep 2021 09:00:35.1586 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: od449RUbgQIhU1zt2Hf7vIKbdPtkGrBgTAq0sIDevUAkpqvvT+U5oVC93Z97Fu26dLL2w3u0cmMSjkqThizh/LV6zqky2EEMw5JQyWUjKIQ=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR18MB4572
X-Proofpoint-GUID: NYEWvoMoiSblF1W9_ZhVmK70Mluz_i72
X-Proofpoint-ORIG-GUID: NYEWvoMoiSblF1W9_ZhVmK70Mluz_i72
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475
 definitions=2021-09-30_02,2021-09-29_01,2020-04-07_01
Subject: Re: [dpdk-dev] [v2] telemetry: fix json output buffer size
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>,
 <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>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

> >Also, I propose if we can have platform defined upper limits (esp
> >MAX_CMD_LEN, MAX_SINGLE_STRING_LEN etc) so that, we need not revisit
> >lib/telemetry for platform needs (and I don't think one size fits all
> >platform, may be excess too).
> >Thoughts ?
>=20
> I am not sure why it is needed to have limits defined per platform - can =
you
> explain further about why it is necessary?
>=20

Mainly, for the endpoint in driver. In case, if the endpoint data is bigger=
 than MAX_SINGLE_STRING_LEN
at the worst case, endpoint will not work correctly.

Thanks,
Gowrishankar