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Mon, 12 Jun 2023 00:57:38 -0700 From: Vlad Buslov To: , , , , , , CC: , , , , , Vlad Buslov Subject: [PATCH net 3/4] selftests/tc-testing: Fix SFB db test Date: Mon, 12 Jun 2023 09:57:11 +0200 Message-ID: <20230612075712.2861848-4-vladbu@nvidia.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230612075712.2861848-1-vladbu@nvidia.com> References: <20230612075712.2861848-1-vladbu@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044F1:EE_|DM4PR12MB5915:EE_ X-MS-Office365-Filtering-Correlation-Id: 0d0995ce-b83e-45cc-f7ad-08db6b1abb52 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(376002)(136003)(396003)(346002)(39860400002)(451199021)(36840700001)(40470700004)(46966006)(36756003)(86362001)(2906002)(82310400005)(7416002)(40480700001)(47076005)(7696005)(6666004)(426003)(336012)(186003)(36860700001)(83380400001)(107886003)(26005)(1076003)(7636003)(82740400003)(356005)(40460700003)(110136005)(54906003)(70206006)(4326008)(316002)(2616005)(478600001)(70586007)(41300700001)(5660300002)(8936002)(8676002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2023 07:57:55.7593 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0d0995ce-b83e-45cc-f7ad-08db6b1abb52 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000044F1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5915 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, SPF_HELO_PASS,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Setting very small value of db like 10ms introduces rounding errors when converting to/from jiffies on some kernel configs. For example, on 250hz the actual value will be set to 12ms which causes the test to fail: # $ sudo ./tdc.py -d eth2 -e 3410 # -- ns/SubPlugin.__init__ # Test 3410: Create SFB with db setting # # All test results: # # 1..1 # not ok 1 3410 - Create SFB with db setting # Could not match regex pattern. Verify command output: # qdisc sfb 1: root refcnt 2 rehash 600s db 12ms limit 1000p max 25p target 20p increment 0.000503548 decrement 4.57771e-05 penalty_rate 10pps penalty_burst 20p Set the value to 100ms instead which currently seem to work on 100hz, 250hz, 300hz and 1000hz kernel configs. Fixes: 6ad92dc56fca ("selftests/tc-testing: add selftests for sfb qdisc") Signed-off-by: Vlad Buslov --- tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json index ba2f5e79cdbf..e21c7f22c6d4 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json +++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfb.json @@ -58,10 +58,10 @@ "setup": [ "$IP link add dev $DUMMY type dummy || /bin/true" ], - "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfb db 10", + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfb db 100", "expExitCode": "0", "verifyCmd": "$TC qdisc show dev $DUMMY", - "matchPattern": "qdisc sfb 1: root refcnt [0-9]+ rehash 600s db 10ms", + "matchPattern": "qdisc sfb 1: root refcnt [0-9]+ rehash 600s db 100ms", "matchCount": "1", "teardown": [ "$TC qdisc del dev $DUMMY handle 1: root",