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GET /api/patches/98851/?format=api
{ "id": 98851, "url": "http://patches.dpdk.org/api/patches/98851/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20210914103456.535427-1-dkozlyuk@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": "<20210914103456.535427-1-dkozlyuk@nvidia.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20210914103456.535427-1-dkozlyuk@nvidia.com", "date": "2021-09-14T10:34:53", "name": "[v3,0/3] eal: add memory pre-allocation from existing files", "commit_ref": null, "pull_url": null, "state": null, "archived": false, "hash": null, "submitter": { "id": 2248, "url": "http://patches.dpdk.org/api/people/2248/?format=api", "name": "Dmitry Kozlyuk", "email": "dkozlyuk@nvidia.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20210914103456.535427-1-dkozlyuk@nvidia.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/98851/comments/", "check": "pending", "checks": "http://patches.dpdk.org/api/patches/98851/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 B167BA0C46;\n\tTue, 14 Sep 2021 12:35:22 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 773164068F;\n\tTue, 14 Sep 2021 12:35:22 +0200 (CEST)", "from NAM04-DM6-obe.outbound.protection.outlook.com\n (mail-dm6nam08on2087.outbound.protection.outlook.com [40.107.102.87])\n by mails.dpdk.org (Postfix) with ESMTP id 73ED54003C\n for <dev@dpdk.org>; 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helo=mail.nvidia.com;", "From": "Dmitry Kozlyuk <dkozlyuk@nvidia.com>", "To": "<dev@dpdk.org>", "CC": "Anatoly Burakov <anatoly.burakov@intel.com>", "Date": "Tue, 14 Sep 2021 13:34:53 +0300", "Message-ID": "<20210914103456.535427-1-dkozlyuk@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210716110806.2566788-1-dkozlyuk@nvidia.com>", "References": "<20210716110806.2566788-1-dkozlyuk@nvidia.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[172.20.187.5]", "X-ClientProxiedBy": "HQMAIL111.nvidia.com (172.20.187.18) To\n DRHQMAIL107.nvidia.com (10.27.9.16)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "ad4673ab-b95c-4c85-779b-08d9776b595a", "X-MS-TrafficTypeDiagnostic": "MN2PR12MB3069:", "X-Microsoft-Antispam-PRVS": "\n <MN2PR12MB306936813F0E9126734FB136B9DA9@MN2PR12MB3069.namprd12.prod.outlook.com>", "X-MS-Oob-TLC-OOBClassifiers": "OLM:5797;", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:216.228.112.34; CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid03.nvidia.com; CAT:NONE;\n SFS:(4636009)(46966006)(36840700001)(7696005)(70206006)(6916009)(70586007)(316002)(1076003)(82310400003)(4326008)(7636003)(83380400001)(8936002)(5660300002)(36906005)(2906002)(47076005)(36756003)(2616005)(16526019)(8676002)(186003)(426003)(336012)(508600001)(6666004)(26005)(36860700001)(356005)(6286002)(55016002)(86362001);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "14 Sep 2021 10:35:19.2823 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n ad4673ab-b95c-4c85-779b-08d9776b595a", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n CO1NAM11FT048.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MN2PR12MB3069", "Subject": "[dpdk-dev] [PATCH v3 0/3] eal: add memory pre-allocation from\n existing files", "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", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Hugepage allocation from the system takes time, resulting in slow\nstartup or sporadic delays later. Most of the time spent in kernel\nis zero-filling memory for security reasons, which may be irrelevant\nin a controlled environment. The bottleneck is memory access speed,\nso for speeduup the amount of memory cleared must be reduced.\nWe propose a new EAL option --mem-file FILE1,FILE2,... to quickly\nallocate dirty pages from existing files and clean it as necessary.\nA new malloc_perf_autotest is provided to estimate the impact.\nMore details are explained in relevant patches.\n\nv3: fix hugepage mount point detection\nv2: fix CI failures\n\nDmitry Kozlyuk (2):\n eal/linux: make hugetlbfs analysis reusable\n app/test: add allocator performance autotest\n\nViacheslav Ovsiienko (1):\n eal: add memory pre-allocation from existing files\n\n app/test/meson.build | 2 +\n app/test/test_malloc_perf.c | 157 +++++++++\n doc/guides/linux_gsg/linux_eal_parameters.rst | 17 +\n lib/eal/common/eal_common_dynmem.c | 6 +\n lib/eal/common/eal_common_options.c | 23 ++\n lib/eal/common/eal_internal_cfg.h | 4 +\n lib/eal/common/eal_memalloc.h | 8 +-\n lib/eal/common/eal_options.h | 2 +\n lib/eal/common/malloc_elem.c | 5 +\n lib/eal/common/malloc_heap.h | 8 +\n lib/eal/common/rte_malloc.c | 16 +-\n lib/eal/include/rte_memory.h | 4 +-\n lib/eal/linux/eal.c | 28 ++\n lib/eal/linux/eal_hugepage_info.c | 158 ++++++---\n lib/eal/linux/eal_hugepage_info.h | 39 +++\n lib/eal/linux/eal_memalloc.c | 328 +++++++++++++++++-\n 16 files changed, 735 insertions(+), 70 deletions(-)\n create mode 100644 app/test/test_malloc_perf.c\n create mode 100644 lib/eal/linux/eal_hugepage_info.h", "diff": null, "prefixes": [ "v3", "0/3" ] }