From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 4357C5F5B for ; Wed, 7 Mar 2018 17:57:16 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Mar 2018 08:57:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.47,436,1515484800"; d="scan'208";a="206261556" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga005.jf.intel.com with ESMTP; 07 Mar 2018 08:57:11 -0800 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id w27GvA2q032374; Wed, 7 Mar 2018 16:57:10 GMT Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id w27GvAnD006680; Wed, 7 Mar 2018 16:57:10 GMT Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id w27GvAK1006676; Wed, 7 Mar 2018 16:57:10 GMT From: Anatoly Burakov To: dev@dpdk.org Cc: keith.wiles@intel.com, jianfeng.tan@intel.com, andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com, benjamin.walker@intel.com, bruce.richardson@intel.com, thomas@monjalon.net, konstantin.ananyev@intel.com, kuralamudhan.ramakrishnan@intel.com, louise.m.daly@intel.com, nelio.laranjeiro@6wind.com, yskoh@mellanox.com, pepperjo@japf.ch, jerin.jacob@caviumnetworks.com, hemant.agrawal@nxp.com, olivier.matz@6wind.com Date: Wed, 7 Mar 2018 16:56:38 +0000 Message-Id: <191e3ab33c918296c8b01e9dbb50c14b598788a4.1520428025.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v2 10/41] eal: add "single file segments" command-line option 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: , X-List-Received-Date: Wed, 07 Mar 2018 16:57:16 -0000 For now, this option does nothing, but it will be useful in dynamic memory allocation down the line. Currently, DPDK stores all pages as separate files in hugetlbfs. This option will allow storing all pages in one file (one file per socket, per page size). Signed-off-by: Anatoly Burakov --- lib/librte_eal/common/eal_common_options.c | 4 ++++ lib/librte_eal/common/eal_internal_cfg.h | 4 ++++ lib/librte_eal/common/eal_options.h | 2 ++ lib/librte_eal/linuxapp/eal/eal.c | 1 + 4 files changed, 11 insertions(+) diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 0be80cb..dbc3fb5 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -73,6 +73,7 @@ eal_long_options[] = { {OPT_VDEV, 1, NULL, OPT_VDEV_NUM }, {OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM }, {OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM }, + {OPT_SINGLE_FILE_SEGMENTS, 0, NULL, OPT_SINGLE_FILE_SEGMENTS_NUM}, {0, 0, NULL, 0 } }; @@ -1161,6 +1162,9 @@ eal_parse_common_option(int opt, const char *optarg, core_parsed = LCORE_OPT_MAP; break; + case OPT_SINGLE_FILE_SEGMENTS_NUM: + conf->single_file_segments = 1; + break; /* don't know what to do, leave this to caller */ default: diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h index a0082d1..d4c02d6 100644 --- a/lib/librte_eal/common/eal_internal_cfg.h +++ b/lib/librte_eal/common/eal_internal_cfg.h @@ -47,6 +47,10 @@ struct internal_config { volatile unsigned force_sockets; volatile uint64_t socket_mem[RTE_MAX_NUMA_NODES]; /**< amount of memory per socket */ uintptr_t base_virtaddr; /**< base address to try and reserve memory from */ + volatile unsigned single_file_segments; + /**< true if storing all pages within single files (per-page-size, + * per-node). + */ volatile int syslog_facility; /**< facility passed to openlog() */ /** default interrupt mode for VFIO */ volatile enum rte_intr_mode vfio_intr_mode; diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h index e86c711..a4b80d5 100644 --- a/lib/librte_eal/common/eal_options.h +++ b/lib/librte_eal/common/eal_options.h @@ -55,6 +55,8 @@ enum { OPT_VFIO_INTR_NUM, #define OPT_VMWARE_TSC_MAP "vmware-tsc-map" OPT_VMWARE_TSC_MAP_NUM, +#define OPT_SINGLE_FILE_SEGMENTS "single-file-segments" + OPT_SINGLE_FILE_SEGMENTS_NUM, OPT_LONG_MAX_NUM }; diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c index 2ecd07b..c84e6bf 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -348,6 +348,7 @@ eal_usage(const char *prgname) " --"OPT_BASE_VIRTADDR" Base virtual address\n" " --"OPT_CREATE_UIO_DEV" Create /dev/uioX (usually done by hotplug)\n" " --"OPT_VFIO_INTR" Interrupt mode for VFIO (legacy|msi|msix)\n" + " --"OPT_SINGLE_FILE_SEGMENTS" Put all hugepage memory in single files\n" "\n"); /* Allow the application to print its usage message too if hook is set */ if ( rte_application_usage_hook ) { -- 2.7.4