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charset="UTF-8" Content-ID: <44005527954437498DB634F1E5929266@EURPRD10.PROD.OUTLOOK.COM> MIME-Version: 1.0 X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AS8PR10MB7875.EURPRD10.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-Network-Message-Id: ea86677b-787a-4340-daac-08de12f41a39 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Oct 2025 11:54:35.3911 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: L5jXEzBjrtSZANFkPlzGZjbezK4XMVVrdA66RyO5+iD5LjXnqiq1geFqGiBC/+v89gtKP8wuVkk7vMHDX5D3Jb2ZyLSBXZgPMbkmfidTUQk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR10MB3174 X-Original-Sender: cedric.hombourger@siemens.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=selector2 header.b=S51vfvIX; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of cedric.hombourger@siemens.com designates 2a01:111:f403:c20a::7 as permitted sender) smtp.mailfrom=cedric.hombourger@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: "cedric.hombourger@siemens.com" Reply-To: "cedric.hombourger@siemens.com" Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,RCVD_IN_RP_CERTIFIED, RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: v4z3nvBuUS/H On Thu, 2025-10-23 at 11:05 +0000, 'MOESSBAUER, Felix' via isar-users wrote: > On Thu, 2025-10-23 at 12:42 +0200, Baurzhan Ismagulov wrote: > > Hello Jan, > > > > On 2025-10-23 07:52, Jan Kiszka wrote: > > > Patches that carry "Fixes:" tag and address build breakages > > > should be on > > > a fast path for QA and merge. I'm pointing colleagues to [1] and > > > [2] > > > almost on a daily basis, but those are just two recent examples. > > > > > > [1] > > > https://patchwork.isar-build.org/project/isar/patch/20251017085344.2647058-1-felix.moessbauer@siemens.com/ > > > [2] > > > https://patchwork.isar-build.org/project/isar/patch/0f16240d-aca7-4f03-b0f7-1567c5b4c26f@siemens.com/ > > > > I acknowledge the desire to have fast path for "Fixes:" and build > > breakages. > > We've merged #2. The full results for #1 will be available > > tomorrow. There is a > > number of failures due to e.g. external networking issues; we'll be > > sharing > > patches for those. > > That's one of the core problems: The test suite itself is too > unstable > and also way too complicated to be executed on each addition > (actually > tests should be executed on a per-commit level, not per patch-series > level). > > > > > I think introducing fast path for certain changes is the easiest > > part of the > > equation. > > > > That's at least something which can be implemented process-wise > without > a major refactoring of the testsuite. > > > In #2, you also express regret that there is no testcase for the > > feature in question. In general, we should think about adding > > testcases on use > > case introduction and bug fixes -- here I agree with Cedric. > > > > I fully agree, but guidance is needed regarding how to write the > tests > (e.g. to which tag to add them). Also, the test execution takes WAY > too > long. We should consider allowing the use of the sstate cache and > download caching in the tests to significantly speedup the test > execution. That's also what Yocto is doing. > > Regarding the test-execution itself: What we need is a simply CLI to > execute the tests in a container (this CLI should offer options to > list > the testcases without executing them and executing just some tests). > Some weeks back, we have added some hints on how to start a container where you may run the test-suite with all of its dependencies installed: kas/kas-container shell \ --command /work/isar/scripts/ci_setup.sh kas.yml I think we can add a simple wrapper to make it even easier to invoke (I always have to open the contributing guide to look it up). I could modify the entry script to give a few hints such as: - run "avocado list citest.py" to list existing tests - use "avocado -p sstate=1 run citest.py" to use sstate (thanks Felix for that hint!) - use "avocado run citest.py:TestClass.test_method" to run a specific test As I am modifying some test cases to catch some of the recent breakages, I am volunteering to enhance the documentation to get the ball rolling > > I think this has > > larger contribution to the quality, benefits all downstreams and > > saves the > > overall fixing effort, as every applied change could break the > > feature. Once a > > fix goes in, a testcase never follows. Currently, we are developing > > testcases > > for certain changes from the list; longer-term, this will not work. > > Also agree, but we need to start somewhere. In the long term, I > envision test automation based on the ML, so whenever you send a > patch > to the ML a set of possibly related tests is executed and the result > is > sent back to the ML. For that, the cost of the test execution needs > to > be reduced (e.g. executing a per-patch test run must not take longer > than 10 mins) and hardware needs to be setup. > > > > > The Linux "tested by many" model helps only to some extent. We also > > see e.g. > > conflicting changes being applied back and forth, even in Linux. > > Having the use > > case view backed by tests at the Isar level would avoid this. > > With syzcaller and alike being added to Linux, this model is anyways > no > longer the only used one. > > Best regards, > Felix > > > > > To summarize, we'll evaluate this proposal and also invite for more > > collaboration on testcases. > > > > With kind regards, > > Baurzhan > > -- > Siemens AG > Linux Expert Center > Friedrich-Ludwig-Bauer-Str. 3 > 85748 Garching, Germany > -- Cedric Hombourger Siemens AG www.siemens.com -- You received this message because you are subscribed to the Google Groups "isar-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to isar-users+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/isar-users/44608f2ccd231c60eed3e8d446c2e89023d5e303.camel%40siemens.com.