From patchwork Thu Dec 10 16:36:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerin Jacob X-Patchwork-Id: 9471 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 403F68E85; Thu, 10 Dec 2015 17:37:21 +0100 (CET) Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2on0058.outbound.protection.outlook.com [207.46.100.58]) by dpdk.org (Postfix) with ESMTP id A50728E74 for ; Thu, 10 Dec 2015 17:37:19 +0100 (CET) Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Jerin.Jacob@caviumnetworks.com; Received: from localhost.localdomain.localdomain (122.166.129.221) by BLUPR0701MB1715.namprd07.prod.outlook.com (10.163.85.141) with Microsoft SMTP Server (TLS) id 15.1.337.19; Thu, 10 Dec 2015 16:37:15 +0000 From: Jerin Jacob To: Date: Thu, 10 Dec 2015 22:06:18 +0530 Message-ID: <1449765378-29563-5-git-send-email-jerin.jacob@caviumnetworks.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1449765378-29563-1-git-send-email-jerin.jacob@caviumnetworks.com> References: <1449417564-29600-1-git-send-email-jerin.jacob@caviumnetworks.com> <1449765378-29563-1-git-send-email-jerin.jacob@caviumnetworks.com> MIME-Version: 1.0 X-Originating-IP: [122.166.129.221] X-ClientProxiedBy: MAXPR01CA0058.INDPRD01.PROD.OUTLOOK.COM (25.164.146.158) To BLUPR0701MB1715.namprd07.prod.outlook.com (25.163.85.141) X-Microsoft-Exchange-Diagnostics: 1; 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BLUPR0701MB1715; 5:eKgBRIyGDwezGWznS+OXDZNPM9e9QpMJnwhZlGBhzJSdGu/gRBbSOqNrqH11bT36rkUENtg0cmGSl141RynvHOqmCSLeKCztLQfZrFn07g3lCklzFCBG6GvrPf9XL7tDImgtBxRFfnm8d9R4tJvXQw==; 24:HOm6NthCSIaFcq3ymSn1aw5IR0ZuKIFk2j2MyBiaNiUtXsWK9vhB4ehc1fLf0IWVJyUQo3LYM78gVyY/2sLRqQ96Z9Q1v0W5bsmR4ngI0hE= SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2015 16:37:15.8121 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR0701MB1715 Subject: [dpdk-dev] [PATCH v2 4/4] cache/slow-path: reduce cache align requirement for 128-byte cache targets X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" slow-path data structures need not be 128-byte cache aligned. Reduce the alignment to 64-byte to save the memory. No behavior change for 64-byte cache aligned systems as minimum cache line size as 64. Signed-off-by: Jerin Jacob --- lib/librte_ether/rte_ethdev.h | 4 ++-- lib/librte_mempool/rte_mempool.h | 2 +- lib/librte_ring/rte_ring.h | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index bada8ad..4dbf73b 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -863,7 +863,7 @@ struct rte_eth_rxq_info { struct rte_eth_rxconf conf; /**< queue config parameters. */ uint8_t scattered_rx; /**< scattered packets RX supported. */ uint16_t nb_desc; /**< configured number of RXDs. */ -} __rte_cache_aligned; +} __rte_cache_min_aligned; /** * Ethernet device TX queue information structure. @@ -872,7 +872,7 @@ struct rte_eth_rxq_info { struct rte_eth_txq_info { struct rte_eth_txconf conf; /**< queue config parameters. */ uint16_t nb_desc; /**< configured number of TXDs. */ -} __rte_cache_aligned; +} __rte_cache_min_aligned; /** Maximum name length for extended statistics counters */ #define RTE_ETH_XSTATS_NAME_SIZE 64 diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h index 6e2390a..8e5d10c 100644 --- a/lib/librte_mempool/rte_mempool.h +++ b/lib/librte_mempool/rte_mempool.h @@ -92,7 +92,7 @@ struct rte_mempool_debug_stats { uint64_t get_success_objs; /**< Objects successfully allocated. */ uint64_t get_fail_bulk; /**< Failed allocation number. */ uint64_t get_fail_objs; /**< Objects that failed to be allocated. */ -} __rte_cache_aligned; +} __rte_cache_min_aligned; #endif #if RTE_MEMPOOL_CACHE_MAX_SIZE > 0 diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h index de036ce..33166aa 100644 --- a/lib/librte_ring/rte_ring.h +++ b/lib/librte_ring/rte_ring.h @@ -123,7 +123,7 @@ struct rte_ring_debug_stats { uint64_t deq_success_objs; /**< Objects successfully dequeued. */ uint64_t deq_fail_bulk; /**< Failed dequeues number. */ uint64_t deq_fail_objs; /**< Objects that failed to be dequeued. */ -} __rte_cache_aligned; +} __rte_cache_min_aligned; #endif #define RTE_RING_NAMESIZE 32 /**< The maximum length of a ring name. */