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smtp.kernel.org (Postfix) with ESMTPSA id 432BBC4CEEB; Tue, 22 Jul 2025 06:05:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753164309; bh=F134i57yThMGkReks3hjElxUss2HLVKAnAIFuY7jQ0c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZYfk9ddfFwsuAZUSdq0PnLLV9IqxxB3vO44fsKlyRJ3eK5koOvZ5xVgpsHhmBIMI5 yMoKPCcjyyyRAdDelkmmPF2gpBoAmIeH9Rf+Vaw1KozDPOkUDbFeCTUE2iZXRwPE0i NVB+aZ5WyeEK7QO1dDEcRLbCEbl9iZRXpxZuKagZcjzPbNG3XphQPCQb9dkttTsSvp MpInKMkZ3Rut53qZAVHQxpqAWZyKfimTVZdtXDkwom23jSg9eTsgJDtn8Kj4UqiHg4 0YO+b93RQuwYPThTPwdkH8pz2bq9bkdmYHkm2nkErTJ1G9lmqTAZgG4MNH0a8trm/3 0mR7uQAu2Jknw== From: SeongJae Park To: kernel test robot Cc: SeongJae Park , oe-lkp@lists.linux.dev, lkp@intel.com, Andrew Morton , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org Subject: Re: [linux-next:master] [selftests/damon] 4ece018976: kernel-selftests.damon.sysfs.py.fail Date: Mon, 21 Jul 2025 23:05:06 -0700 Message-Id: <20250722060506.56112-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <202507220707.9c5d6247-lkp@intel.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 418DAC0005 X-Stat-Signature: wwnk38aeta9ihcq4a1o8xaj7xij6m9j4 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1753164310-522484 X-HE-Meta: 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 ZqI3W0yT ZqPerh41wcAnLpzakV7/3EyiOr2SfQ6+ZtbpNPWXQ2jnpXdpQBhyAcOYrTU2NoUPkoBYfBMCb6a1Y4bMgVuTjv3qN8+RJ/nCsgulBDJO8GVhIphLUn9eULx5NXNwKFkIDKHTr5ss8+CcuHCAvpTHBXhYa9OUnFZZ4WYB6ksLVJ9qFjiIjZZN8StqyZRqg/G8S6PSOU/Lvp8pIoXvVeGriDrJEZCDDnIU5yISWgwdcuDCWhykz6IzO2XBvjyaimwLZ9fTO X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 22 Jul 2025 13:36:02 +0800 kernel test robot wrote: > > > Hello, > > kernel test robot noticed "kernel-selftests.damon.sysfs.py.fail" on: > > commit: 4ece01897627ddeefcede4ac709cd99763994dc4 ("selftests/damon: add python and drgn-based DAMON sysfs test") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > [test failed on linux-next/master d086c886ceb9f59dea6c3a9dae7eb89e780a20c9] > > in testcase: kernel-selftests > version: kernel-selftests-x86_64-7ff71e6d9239-1_20250215 > with following parameters: > > group: damon > > > config: x86_64-rhel-9.4-kselftests > compiler: gcc-12 > test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > besides the failure of this new added test, we also noticed below tests failed > while passing on parent. > > e227472ebf00b6b5 4ece01897627ddeefcede4ac709 > ---------------- --------------------------- > fail:runs %reproduction fail:runs > | | | > :6 100% 6:6 kernel-selftests.damon.damon_nr_regions.py.fail > :6 100% 6:6 kernel-selftests.damon.damos_quota.py.fail > :6 100% 6:6 kernel-selftests.damon.damos_quota_goal.py.fail > :6 100% 6:6 kernel-selftests.damon.damos_tried_regions.py.fail > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-lkp/202507220707.9c5d6247-lkp@intel.com > > > > # timeout set to 300 > # selftests: damon: sysfs.py > # Traceback (most recent call last): > # File "/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-4ece01897627ddeefcede4ac709cd99763994dc4/tools/testing/selftests/damon/./sysfs.py", line 42, in > # main() > # File "/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-4ece01897627ddeefcede4ac709cd99763994dc4/tools/testing/selftests/damon/./sysfs.py", line 31, in main > # status, err = dump_damon_status_dict(kdamonds.kdamonds[0].pid) > # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > # File "/usr/src/perf_selftests-x86_64-rhel-9.4-kselftests-4ece01897627ddeefcede4ac709cd99763994dc4/tools/testing/selftests/damon/./sysfs.py", line 13, in dump_damon_status_dict > # rc = subprocess.call(['drgn', dump_script, pid, 'damon_dump_output'], > # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > # File "/usr/lib/python3.11/subprocess.py", line 389, in call > # with Popen(*popenargs, **kwargs) as p: > # ^^^^^^^^^^^^^^^^^^^^^^^^^^^ > # File "/usr/lib/python3.11/subprocess.py", line 1024, in __init__ > # self._execute_child(args, executable, preexec_fn, close_fds, > # File "/usr/lib/python3.11/subprocess.py", line 1901, in _execute_child > # raise child_exception_type(errno_num, err_msg, err_filename) > # FileNotFoundError: [Errno 2] No such file or directory: 'drgn' > not ok 2 selftests: damon: sysfs.py # exit=1 Thank you for this report! I just posted a fix: https://lore.kernel.org/20250722060330.56068-1-sj@kernel.org Thanks, SJ [...]