From patchwork Tue Dec 19 11:14:35 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anatoly Burakov X-Patchwork-Id: 32454 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 29CB31B052; Tue, 19 Dec 2017 12:15:06 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 49DBA1B01B for ; Tue, 19 Dec 2017 12:14:54 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2017 03:14:54 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,426,1508828400"; d="scan'208";a="3913246" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga007.jf.intel.com with ESMTP; 19 Dec 2017 03:14:52 -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 vBJBEqks003107; Tue, 19 Dec 2017 11:14:52 GMT Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id vBJBEqB9010230; Tue, 19 Dec 2017 11:14:52 GMT Received: (from aburakov@localhost) by sivswdev01.ir.intel.com with LOCAL id vBJBEp1s010226; Tue, 19 Dec 2017 11:14:51 GMT From: Anatoly Burakov To: dev@dpdk.org Cc: andras.kovacs@ericsson.com, laszlo.vadkeri@ericsson.com, keith.wiles@intel.com, benjamin.walker@intel.com, bruce.richardson@intel.com, thomas@monjalon.net Date: Tue, 19 Dec 2017 11:14:35 +0000 Message-Id: <8cf0f1b4a35b5f49fc0849dc06886a317e534eb9.1513681966.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] [RFC v2 08/23] 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 | 3 +++ lib/librte_eal/common/eal_options.h | 2 ++ lib/librte_eal/linuxapp/eal/eal.c | 1 + 4 files changed, 10 insertions(+) diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 996a034..c3f7c41 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -98,6 +98,7 @@ 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 } }; @@ -1158,6 +1159,9 @@ eal_parse_common_option(int opt, const char *optarg, } core_parsed = 1; 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 fa6ccbe..484a32e 100644 --- a/lib/librte_eal/common/eal_internal_cfg.h +++ b/lib/librte_eal/common/eal_internal_cfg.h @@ -76,6 +76,9 @@ 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 30e6bb4..26a682a 100644 --- a/lib/librte_eal/common/eal_options.h +++ b/lib/librte_eal/common/eal_options.h @@ -83,6 +83,8 @@ 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 229eec9..2a3127f 100644 --- a/lib/librte_eal/linuxapp/eal/eal.c +++ b/lib/librte_eal/linuxapp/eal/eal.c @@ -366,6 +366,7 @@ 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 ) {