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Thu, 11 Sep 2025 08:23:45 +0000 Date: Thu, 11 Sep 2025 16:23:35 +0800 From: Oliver Sang To: Steven Rostedt CC: Pu Lehui , , , , , , , , Subject: Re: [PATCH] tracing: Fix missing errno when zero parser->idx in trace_pid_write Message-ID: References: <20250821071721.3609109-1-pulehui@huaweicloud.com> <202509022339.ae20a8bb-lkp@intel.com> <20250905150312.02bef848@gandalf.local.home> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20250905150312.02bef848@gandalf.local.home> X-ClientProxiedBy: SG2PR04CA0159.apcprd04.prod.outlook.com (2603:1096:4::21) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|MW4PR11MB6716:EE_ X-MS-Office365-Filtering-Correlation-Id: 9480321c-42fe-4d93-5e3e-08ddf10c8621 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; 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It's huge, complex, and I never can get it working. > > I did the following: > > # lkp split-job jobs/perf-sanity-tests.yaml > # lkp install -f ./perf-sanity-tests-defaults.yaml > > [ had to fix python up a little because it wanted python3.9 where I had 3.13 ] > > # lkp run ./perf-sanity-tests-defaults.yaml > /work/git/lkp-tests.git/programs/perf-sanity-tests/run: 7: .: cannot open /work/git/lkp-tests.git/lib/tests/perf_test.sh: No such file > kill 37975 vmstat --timestamp -n 10 > kill 37973 dmesg --follow --decode > wait for background processes: 37978 meminfo > > > I have no idea where this "perf_test.sh" is supposed to come from, and why > it doesn't exist :-p sorry for inconvenience. for this "perf_test.sh" issue, we pushed a fix https://github.com/intel/lkp-tests/commit/3ab6496813796e537d277242d220c4571790a363 however, we found there are other issues which block reproducer to work out of our cluster env that we can not resolve shortly. but if you have any debug/fix patch, we'll be very glad to test/verify. > > > -- Steve