From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 73BB4A0524; Fri, 4 Jun 2021 11:47:25 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9DFF0410EE; Fri, 4 Jun 2021 11:47:07 +0200 (CEST) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mails.dpdk.org (Postfix) with ESMTP id F094640E78 for ; Fri, 4 Jun 2021 11:47:05 +0200 (CEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 78ACA1063; Fri, 4 Jun 2021 02:47:05 -0700 (PDT) Received: from net-arm-n1sdp.shanghai.arm.com (net-arm-n1sdp.shanghai.arm.com [10.169.208.222]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9E0203F73D; Fri, 4 Jun 2021 02:47:02 -0700 (PDT) From: Joyce Kong To: thomas@monjalon.net, david.marchand@redhat.com, olivier.matz@6wind.com, andrew.rybchenko@oktetlabs.ru, harry.van.haaren@intel.com, honnappa.nagarahalli@arm.com, ruifeng.wang@arm.com Cc: dev@dpdk.org, nd@arm.com Date: Fri, 4 Jun 2021 04:46:22 -0500 Message-Id: <20210604094624.31308-7-joyce.kong@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210604094624.31308-1-joyce.kong@arm.com> References: <20210604094624.31308-1-joyce.kong@arm.com> Subject: [dpdk-dev] [PATCH v1 6/8] test/mempool_perf: use GCC atomic builtins for lcores sync X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" Convert rte_atomic usages to GCC atomic builtins for lcores sync in mempool_perf testcases. Meanwhile, remove unnecessary synchro init as it would be set to 0 when launching cores. Signed-off-by: Joyce Kong Reviewed-by: Ruifeng Wang --- app/test/test_mempool_perf.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/app/test/test_mempool_perf.c b/app/test/test_mempool_perf.c index d7d0aaa33..9271378aa 100644 --- a/app/test/test_mempool_perf.c +++ b/app/test/test_mempool_perf.c @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include @@ -83,7 +82,7 @@ static int use_external_cache; static unsigned external_cache_size = RTE_MEMPOOL_CACHE_MAX_SIZE; -static rte_atomic32_t synchro; +static uint32_t synchro; /* number of objects in one bulk operation (get or put) */ static unsigned n_get_bulk; @@ -145,7 +144,8 @@ per_lcore_mempool_test(void *arg) /* wait synchro for workers */ if (lcore_id != rte_get_main_lcore()) - while (rte_atomic32_read(&synchro) == 0); + while (__atomic_load_n(&synchro, __ATOMIC_RELAXED) == 0) + ; start_cycles = rte_get_timer_cycles(); @@ -198,7 +198,7 @@ launch_cores(struct rte_mempool *mp, unsigned int cores) int ret; unsigned cores_save = cores; - rte_atomic32_set(&synchro, 0); + __atomic_store_n(&synchro, 0, __ATOMIC_RELAXED); /* reset stats */ memset(stats, 0, sizeof(stats)); @@ -223,7 +223,7 @@ launch_cores(struct rte_mempool *mp, unsigned int cores) } /* start synchro and launch test on main */ - rte_atomic32_set(&synchro, 1); + __atomic_store_n(&synchro, 1, __ATOMIC_RELAXED); ret = per_lcore_mempool_test(mp); @@ -288,8 +288,6 @@ test_mempool_perf(void) const char *default_pool_ops; int ret = -1; - rte_atomic32_init(&synchro); - /* create a mempool (without cache) */ mp_nocache = rte_mempool_create("perf_test_nocache", MEMPOOL_SIZE, MEMPOOL_ELT_SIZE, 0, 0, -- 2.17.1