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Fri, 3 Feb 2023 15:12:51 +0000 Received: from DS0PR11MB7309.namprd11.prod.outlook.com ([fe80::aaba:abb7:8794:def]) by DS0PR11MB7309.namprd11.prod.outlook.com ([fe80::aaba:abb7:8794:def%7]) with mapi id 15.20.6064.024; Fri, 3 Feb 2023 15:12:51 +0000 Date: Fri, 3 Feb 2023 15:12:44 +0000 From: Bruce Richardson To: "Van Haaren, Harry" CC: David Marchand , "dev@dpdk.org" , "dpdklab@iol.unh.edu" , "ci@dpdk.org" , "Honnappa.Nagarahalli@arm.com" , mattias.ronnblom , "thomas@monjalon.net" , Morten =?iso-8859-1?Q?Br=F8rup?= , Tyler Retzlaff , Aaron Conole Subject: Re: [PATCH v3] test/service: fix spurious failures by extending timeout Message-ID: References: <20221006081729.578475-1-harry.van.haaren@intel.com> <20221006125247.1018265-1-harry.van.haaren@intel.com> <98CBD80474FA8B44BF855DF32C47DC35D873A1@smartserver.smartshare.dk> Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: LO2P265CA0302.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:a5::26) To DS0PR11MB7309.namprd11.prod.outlook.com (2603:10b6:8:13e::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB7309:EE_|IA1PR11MB7776:EE_ X-MS-Office365-Filtering-Correlation-Id: 6d708f2b-2362-483d-05c4-08db05f91dbf X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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dpdklab@iol.unh.edu; ci@dpdk.org; > > Honnappa.Nagarahalli@arm.com; mattias.ronnblom > > ; thomas@monjalon.net; Morten Brørup > > ; Tyler Retzlaff ; > > Aaron Conole > > Subject: RE: [PATCH v3] test/service: fix spurious failures by extending timeout > > > > > > > > The timeout approach just does not have its place in a functional test. > > > Either this test is rewritten, or it must go to the performance tests > > > list so that we stop getting false positives. > > > Can you work on this? > > > > I'll investigate various approaches on Thursday and reply here with suggested > > next steps. > > I've identified 3 checks that fail in CI (from the above log outputs), all 3 cases > Have different dlays: 100 ms delay, 200 ms delay and 1000ms. > In the CI, the service-core just hasn't been scheduled (yet) and causes the "failure". > For me, the question is - why hasn't the service-core been scheduled? Can we use sched-yield or some other mechanism to force a wakeup of it? /Bruce