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Fri, 10 Jul 2020 14:59:09 +0000 From: "Montorsi, Francesco" To: "dev@dpdk.org" Thread-Topic: Using valgrind with DPDK app Thread-Index: AdZWygtky2xmuhSTQd2jUbXFJHRF0A== Date: Fri, 10 Jul 2020 14:59:09 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=none action=none header.from=empirix.com; x-originating-ip: [83.216.166.194] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 7187482f-b979-43ac-420d-08d824e1cd0c x-ms-traffictypediagnostic: MN2PR17MB2863: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: aZ2xp0dbL3pbd87SDwhwcPmlEe5yEEt/wqIEJ23O5Q/xJ//f/dXE+TBlfghhZ8WdQbwpW56NQe9JuloHA0W3QQJ5tz1Ulx8qjx2bmTdEYZ3rg/DSsFf+kBL9MXdrbEH2009roMAYbnPUW8Dz1bybrXR9zbPQP/haRsKGe07oWSz9i9TYAtkhG/rlM0s0ZjqUdBgcW1rNTMGaMguY+qiuK9xEF8wCwcFq6Ce+XKr+Xirary0FWBJCZquDNWBECfby511dE2nPxD/ZJXfmaCdX3ZAmYLcmYv+Od8tP7YqZziQ70H4iyPAZJDCDor/JoZFD2ZbKCFczeApfRPeyTRm0gZdEMHZB9py+si0FwKbsNJM+rfAEDthtFYsj9d1h+JxThNQGyfCD0GQzp65YouP6PA== x-forefront-antispam-report: CIP:255.255.255.255; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR17MB3853.namprd17.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7187482f-b979-43ac-420d-08d824e1cd0c X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Jul 2020 14:59:09.7318 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 229c55e8-b8e2-41f6-9f3b-d58074cde942 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: J7VgjlAfkKsltCp3AN/VgRFbgRvu3gg9RyoRhJmJI4BrUD7ko5xSaoYRSMjSDrvHOFnq2RnNVhEfmoUoDAFfGw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR17MB2863 X-OriginatorOrg: empirix.com Subject: [dpdk-dev] Using valgrind with DPDK app 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi all, I would like to know if it's possible to run my DPDK application (I'm using= DPDK 19.11) under Valgrind. I tried but it gets stuck apparently while accessing hugepages: ---- AL: Detected memory type: socket_id:0 hugepage_sz:1073741824 EAL: Detected memory type: socket_id:1 hugepage_sz:1073741824 EAL: Creating 4 segment lists: n_segs:32 socket_id:0 hugepage_sz:1073741824 EAL: Ask a virtual area of 0x1000 bytes EAL: Virtual area found at 0x100033000 (size =3D 0x1000) EAL: Memseg list allocated: 0x100000kB at socket 0 EAL: Ask a virtual area of 0x800000000 bytes EAL: Virtual area found at 0x140000000 (size =3D 0x800000000) EAL: Ask a virtual area of 0x1000 bytes EAL: Virtual area found at 0x940000000 (size =3D 0x1000) EAL: Memseg list allocated: 0x100000kB at socket 0 EAL: Ask a virtual area of 0x800000000 bytes EAL: WARNING! Base virtual address hint (0xa80001000 !=3D 0x1040000000) not= respected! EAL: This may cause issues with mapping memory into secondary processes EAL: Virtual area found at 0x1040000000 (size =3D 0x800000000) EAL: Ask a virtual area of 0x1000 bytes EAL: Virtual area found at 0xac0001000 (size =3D 0x1000) EAL: Memseg list allocated: 0x100000kB at socket 0 EAL: Ask a virtual area of 0x800000000 bytes ---- I've seen there was some attempt a few years ago: http://mails.dpdk.org/archives/dev/2016-February/033108.html has anything changed since that? Also I see that Luca has created a project here https://github.com/bluca/valgrind-dpdk but seems like there were no changes since 3 years... I wonder if that work= s or not with recent DPDK versions... Thanks for any hint, Francesco Montorsi