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intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.34 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.34; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.34) by DM6NAM11FT010.mail.protection.outlook.com (10.13.172.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4108.25 via Frontend Transport; Mon, 10 May 2021 16:19:50 +0000 Received: from nvidia.com (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 10 May 2021 16:19:48 +0000 From: Xueming Li To: Pavan Nikhilesh CC: Luca Boccassi , Erik Gabriel Carrillo , dpdk stable Date: Tue, 11 May 2021 00:01:55 +0800 Message-ID: <20210510160258.30982-166-xuemingl@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210510160258.30982-1-xuemingl@nvidia.com> References: <20210510160258.30982-1-xuemingl@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 09f9bd23-faf3-4b9f-ada5-08d913cf7021 X-MS-TrafficTypeDiagnostic: BN8PR12MB3265: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:10000; 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PTR:schybrid03.nvidia.com; CAT:NONE; SFS:(4636009)(136003)(346002)(39860400002)(396003)(376002)(36840700001)(46966006)(1076003)(47076005)(54906003)(36860700001)(83380400001)(6666004)(6916009)(82310400003)(55016002)(70206006)(36906005)(36756003)(2906002)(70586007)(7636003)(336012)(316002)(16526019)(356005)(6286002)(966005)(82740400003)(5660300002)(8676002)(53546011)(4326008)(2616005)(86362001)(8936002)(26005)(186003)(478600001)(7696005)(426003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 May 2021 16:19:50.8939 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 09f9bd23-faf3-4b9f-ada5-08d913cf7021 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: DM6NAM11FT010.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR12MB3265 Subject: [dpdk-stable] patch 'app/eventdev: fix timeout accuracy' has been queued to stable release 20.11.2 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi, FYI, your patch has been queued to stable release 20.11.2 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 05/12/21. So please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://github.com/steevenlee/dpdk This queued commit can be viewed at: https://github.com/steevenlee/dpdk/commit/dc7e8df00fad3c0e072401632b40798b69ca912a Thanks. Xueming Li --- >From dc7e8df00fad3c0e072401632b40798b69ca912a Mon Sep 17 00:00:00 2001 From: Pavan Nikhilesh Date: Thu, 25 Feb 2021 17:31:43 +0530 Subject: [PATCH] app/eventdev: fix timeout accuracy Cc: Luca Boccassi [ upstream commit 626b12a8d3bb018f7fc9e2eae356a375fb2d38dc ] Round timeout ticks when converting from nanoseconds, this prevents loss of accuracy and deviation from requested timeout value. Fixes: d008f20bce23 ("app/eventdev: add event timer adapter as a producer") Signed-off-by: Pavan Nikhilesh Reviewed-by: Erik Gabriel Carrillo --- app/test-eventdev/test_perf_common.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/app/test-eventdev/test_perf_common.c b/app/test-eventdev/test_perf_common.c index 955edb7526..2fe15ed447 100644 --- a/app/test-eventdev/test_perf_common.c +++ b/app/test-eventdev/test_perf_common.c @@ -2,6 +2,8 @@ * Copyright(c) 2017 Cavium, Inc */ +#include + #include "test_perf_common.h" int @@ -95,11 +97,13 @@ perf_event_timer_producer(void *arg) uint64_t timeout_ticks = opt->expiry_nsec / opt->timer_tick_nsec; memset(&tim, 0, sizeof(struct rte_event_timer)); - timeout_ticks = opt->optm_timer_tick_nsec ? - (timeout_ticks * opt->timer_tick_nsec) - / opt->optm_timer_tick_nsec : timeout_ticks; + timeout_ticks = + opt->optm_timer_tick_nsec + ? ceil((double)(timeout_ticks * opt->timer_tick_nsec) / + opt->optm_timer_tick_nsec) + : timeout_ticks; timeout_ticks += timeout_ticks ? 0 : 1; - tim.ev.event_type = RTE_EVENT_TYPE_TIMER; + tim.ev.event_type = RTE_EVENT_TYPE_TIMER; tim.ev.op = RTE_EVENT_OP_NEW; tim.ev.sched_type = t->opt->sched_type_list[0]; tim.ev.queue_id = p->queue_id; @@ -159,11 +163,13 @@ perf_event_timer_producer_burst(void *arg) uint64_t timeout_ticks = opt->expiry_nsec / opt->timer_tick_nsec; memset(&tim, 0, sizeof(struct rte_event_timer)); - timeout_ticks = opt->optm_timer_tick_nsec ? - (timeout_ticks * opt->timer_tick_nsec) - / opt->optm_timer_tick_nsec : timeout_ticks; + timeout_ticks = + opt->optm_timer_tick_nsec + ? ceil((double)(timeout_ticks * opt->timer_tick_nsec) / + opt->optm_timer_tick_nsec) + : timeout_ticks; timeout_ticks += timeout_ticks ? 0 : 1; - tim.ev.event_type = RTE_EVENT_TYPE_TIMER; + tim.ev.event_type = RTE_EVENT_TYPE_TIMER; tim.ev.op = RTE_EVENT_OP_NEW; tim.ev.sched_type = t->opt->sched_type_list[0]; tim.ev.queue_id = p->queue_id; -- 2.25.1 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2021-05-10 23:59:30.905146200 +0800 +++ 0167-app-eventdev-fix-timeout-accuracy.patch 2021-05-10 23:59:26.610000000 +0800 @@ -1 +1 @@ -From 626b12a8d3bb018f7fc9e2eae356a375fb2d38dc Mon Sep 17 00:00:00 2001 +From dc7e8df00fad3c0e072401632b40798b69ca912a Mon Sep 17 00:00:00 2001 @@ -4,0 +5,3 @@ +Cc: Luca Boccassi + +[ upstream commit 626b12a8d3bb018f7fc9e2eae356a375fb2d38dc ] @@ -10 +12,0 @@ -Cc: stable@dpdk.org @@ -19 +21 @@ -index 34cded3739..cc100650c2 100644 +index 955edb7526..2fe15ed447 100644