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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": "Fri, 16 Jul 2021 14:08:03 +0300", "Message-ID": "<20210716110806.2566788-1-dkozlyuk@nvidia.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210705124950.902701-1-dkozlyuk@nvidia.com>", "References": "<20210705124950.902701-1-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 HQMAIL107.nvidia.com (172.20.187.13)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-Office365-Filtering-Correlation-Id": "be281bd2-3838-49e8-1490-08d9484a07b4", "X-MS-TrafficTypeDiagnostic": "BN6PR12MB1873:", "X-Microsoft-Antispam-PRVS": "\n <BN6PR12MB18733D0DE7893180189D96F5B9119@BN6PR12MB1873.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)(346002)(396003)(136003)(39860400002)(376002)(46966006)(36840700001)(7696005)(478600001)(186003)(70206006)(356005)(6666004)(4326008)(36860700001)(6916009)(2906002)(26005)(36756003)(5660300002)(7636003)(82740400003)(86362001)(16526019)(8936002)(6286002)(83380400001)(2616005)(47076005)(426003)(8676002)(1076003)(70586007)(316002)(336012)(36906005)(55016002)(34020700004)(82310400003);\n DIR:OUT; SFP:1101;", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "16 Jul 2021 11:08:24.1858 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n be281bd2-3838-49e8-1490-08d9484a07b4", "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 DM6NAM11FT027.eop-nam11.prod.protection.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BN6PR12MB1873", "Subject": "[dpdk-dev] [PATCH 21.11 v2 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\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" }