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emacs 29.4 From: Petr Machata To: Jakub Kicinski CC: , , , , , , , Subject: Re: [PATCH net-next] selftests: drv-net: test drivers sleeping in ndo_get_stats64 Date: Mon, 6 Jan 2025 18:14:22 +0100 In-Reply-To: <20250105011525.1718380-1-kuba@kernel.org> Message-ID: <87plkzlv9h.fsf@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF00004684:EE_|CYYPR12MB9015:EE_ X-MS-Office365-Filtering-Correlation-Id: 3b714a70-9543-4033-7a60-08dd2e75a43f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?2ypg1GrE1m3CgpEpmdgIwuXj0tB8roO7ae3JVOtLZGwAfa5k8pzIiwlO/kQJ?= =?us-ascii?Q?ATGwwuXN0t4jSArqNAfNyLdIbinSjyDWLz5gkvRgEcKlA7Z/yByXzPiPpAhF?= =?us-ascii?Q?GKWJCIrP5BN/5gxJGOe3SgWan3QGjdqZ+Hi6oVMqxC2IFGF57h7W3akKjMVE?= =?us-ascii?Q?v7kFsUSgUj+CMSTSflb+ZX9krLSVZkG/l44BBnZJwD3uysp08Z2m7uNL9wQr?= =?us-ascii?Q?s7mnHszlB258izxFaowKOEwxKm54rreHKaZDApXgBLqZJ4+/Sok+VNENbPhJ?= =?us-ascii?Q?i2F2n0Uidp0wYAVxbxJ3R8saM8BQYAXV4CjnXlcewRfpZf1RBpkQ+2ypT15S?= =?us-ascii?Q?jQ4MWJbX+g/dc3yURdhb3DI+WzjrBj38HOuxAtA4ryN/uZ4J7Es/4M0wwOkF?= =?us-ascii?Q?hk3b6SXvgmHv+QV3XvL/Eqnecr5AgoBz6GO5R4tI9Tc1WYuAXdBdEdWuWS2d?= =?us-ascii?Q?PbL3W1MUMHH9hpSmGHu7xycAt8jAYNmvKVhxzDOJ8WC39PZq2wvhrI1tCKbZ?= =?us-ascii?Q?/DA4zB5GczwiY5AsYysqARwL+glGVNMPu+vfm4N38Xk1RlUJd0IsvN480UCS?= =?us-ascii?Q?RuHTqa6WiTPJETN4Tuw/gdRgCaHgfBXJpY0lGUdpSwPu1aQdRkpWyZk+I4IA?= =?us-ascii?Q?ZnJjPKl/eLVDuxdEzn/PmiOCIlaNUv4wIrX5xhG7mCPO3ldsfumGDKDa8pWf?= =?us-ascii?Q?eADtGeF/TMSker2JZCkKFqvRVI5BzgYB//n15JgW5tlmmFmHCUydc8Jsta20?= =?us-ascii?Q?Zb2kW43EBlA9ei8ZblpqAYCCmdcgbSM/fjHsUZ79D6vSEIDDboHfJTKl2y6v?= =?us-ascii?Q?Jbc2JdoqHSFEbLsg5EIA3JZur7g7HUF3kuuWGU78AQHgtbZsq8LP9l0//L70?= =?us-ascii?Q?d20YebRD8JKLtBrGAvz4gFw/quUduNyHBWhmM9C7jqosTGSpfI+efIGbeXt+?= =?us-ascii?Q?ZR8dOJNb1RxR0ur6pUmK4nQKbxS09TFB3FZ5FRnQ/drbwpvWveYXMX+bmpsg?= =?us-ascii?Q?1LpfPtd5WrOqsQnFNizV2zLYQkfx9b9av3M3noiNM9RypVIvMFLrqAM1Ose/?= =?us-ascii?Q?qO+VsbvAHOtgU5cTHZ4Aesc6F5u+9CV8medli2TlOfFYUudsuSojodVaKMiX?= =?us-ascii?Q?CRQZx3ffPYpd6x9yPhd2Fm6ltqsKpvS/2tq8kUKvmK+gayH4ykjkdvqGbfyK?= =?us-ascii?Q?K9n5avjhwFtYffOY7VIZfQHO6ONUQ5tHW4o4E6kPb7EMVma0dz/ADQTetLbo?= =?us-ascii?Q?CP2sKdrhQ5/LM8IRSp4k8j/qjfM/myBd7krl2QuZYT3lF8NzQW+9b3Tfx19/?= =?us-ascii?Q?UetjMzMXCtYfREtGXJY7qs0imloQoSurZbaZJ1igWpm3+KETUqMtPQNp/+yg?= =?us-ascii?Q?0by2J5+9MS8dmVcGjLoduDbEqjQkz3XD5sIX+vKrl3VJRRRcJUy3JeG5lDRX?= =?us-ascii?Q?Lfu52IYEiYYQhYOBzeTk87P902i1QZOFUPZjWP7G0E80s3Xz238osm4cu7JZ?= =?us-ascii?Q?oYfmsPFx7xAuB+w=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2025 17:14:55.6122 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3b714a70-9543-4033-7a60-08dd2e75a43f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN1PEPF00004684.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR12MB9015 Jakub Kicinski writes: > Most of our tests use rtnetlink to read device stats, so they > don't expose the drivers much to paths in which device stats > are read under RCU. Add tests which hammer profcs reads to > make sure drivers: > - don't sleep while reporting stats, > - can handle parallel reads, > - can handle device going down while reading. > > Set ifname on the env class in NetDrvEnv, we already do that > in NetDrvEpEnv. > > KTAP version 1 > 1..7 > ok 1 stats.check_pause > ok 2 stats.check_fec > ok 3 stats.pkt_byte_sum > ok 4 stats.qstat_by_ifindex > ok 5 stats.check_down > ok 6 stats.procfs_hammer > # completed up/down cycles: 6 > ok 7 stats.procfs_downup_hammer > # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0 > > Signed-off-by: Jakub Kicinski Reviewed-by: Petr Machata