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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jul 2021 12:50:05.3271 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6dd7eada-2e40-4e1c-4871-08d93fb369ae X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT059.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4229 Subject: [dpdk-dev] [PATCH 21.11 0/3] eal: add memory pre-allocation from 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>, <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> Hugepage allocation from the system takes time, resulting in slow startup or sporadic delays later. Most of the time spent in kernel is zero-filling memory for security reasons, which may be irrelevant in a controlled environment. The bottleneck is memory access speed, so for speeduup the amount of memory cleared must be reduced. We propose a new EAL option --mem-file FILE1,FILE2,... to quickly allocate dirty pages from existing files and clean it as necessary. A new malloc_perf_autotest is provided to estimate the impact. More details are explained in relevant patches. Dmitry Kozlyuk (2): eal/linux: make hugetlbfs analysis reusable app/test: add allocator performance autotest Viacheslav Ovsiienko (1): eal: add memory pre-allocation from existing files app/test/meson.build | 2 + app/test/test_malloc_perf.c | 155 +++++++++ doc/guides/linux_gsg/linux_eal_parameters.rst | 17 + lib/eal/common/eal_common_dynmem.c | 6 + lib/eal/common/eal_common_options.c | 23 ++ lib/eal/common/eal_internal_cfg.h | 4 + lib/eal/common/eal_memalloc.h | 8 +- lib/eal/common/eal_options.h | 2 + lib/eal/common/malloc_elem.c | 5 + lib/eal/common/malloc_heap.h | 8 + lib/eal/common/rte_malloc.c | 16 +- lib/eal/include/rte_memory.h | 4 +- lib/eal/linux/eal.c | 28 ++ lib/eal/linux/eal_hugepage_info.c | 158 ++++++--- lib/eal/linux/eal_hugepage_info.h | 39 +++ lib/eal/linux/eal_memalloc.c | 328 +++++++++++++++++- 16 files changed, 733 insertions(+), 70 deletions(-) create mode 100644 app/test/test_malloc_perf.c create mode 100644 lib/eal/linux/eal_hugepage_info.h -- 2.25.1