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b=GlO6a+zBcL8nUOw9+1ngXmZzojMVpnSCtjCLKUMlv9sOd/QF89mW7yGkv72BMnv+g dzU9cbXzql1yjIQrCUZ6q6uVghbkAxovnoaxvSuRrMQnYF2jS5cSzbSaUM+aVCRmNZ Zl+Byvk2A5t5GijhzxawGKsQJl2uwdSz9bTDYu1Z5ze5pVEcjuqhjMcuo69Miv2cPE 80wxT1Dxmixv9WCT1Fc0RORvdhSo97itef6kvUTg6e3DEfGBT73SnCf3/3yvjbPg0j A0eg0dXK7X9XnwPncabF+mAjJ4IsShizBJG5rEl1xf4tIAx3JT6R4RAdpS8D4Y8Svk ZHdYPZQYqjvsw== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Shuah Khan , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 4/6] selftests/damon/sysfs.py: test monitoring attribute parameters Date: Sun, 22 Jun 2025 14:03:28 -0700 Message-Id: <20250622210330.40490-5-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250622210330.40490-1-sj@kernel.org> References: <20250622210330.40490-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: BE4ED160008 X-Stat-Signature: xtp8te6dz18j9kd8koibounj6w5xhmen X-Rspam-User: X-HE-Tag: 1750626219-479552 X-HE-Meta: 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 O7SiLSae G4rK4qsBIp2iTMwWwVgotq23McNJhu0dulfUQg+sZg4PBZqFZ7cw3IdXHEi55Nqq0OLk4KzWHfFt2xbyvGWR8FE6TTbCWHUPT+j8KWfcjumRUWxJOWXPGZatWsgAvgoJmeeOuJuOjxfEaNfzpOtUbXtkaIV9wj6AXxHBo+yrStS7n5aNCFcQCwUpeXgPjjnqHj9UNgRvN0w3saLfyNNtQDwan3+ynO4OwxY55FUSLXpmSNw4= 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: Add DAMON sysfs interface functionality tests for DAMON monitoring attribute parameters, including intervals, intervals tuning goals, and min/max number of regions. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/sysfs.py | 34 ++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py index 4ff99db0d247..a721901a880d 100755 --- a/tools/testing/selftests/damon/sysfs.py +++ b/tools/testing/selftests/damon/sysfs.py @@ -20,6 +20,11 @@ def dump_damon_status_dict(pid): except Exception as e: return None, 'json.load fail (%s)' % e +def fail(expectation, status): + print('unexpected %s' % expectation) + print(json.dumps(status, indent=4)) + exit(1) + def main(): kdamonds = _damon_sysfs.Kdamonds( [_damon_sysfs.Kdamond(contexts=[_damon_sysfs.DamonCtx()])]) @@ -34,8 +39,33 @@ def main(): exit(1) if len(status['contexts']) != 1: - print('number of contexts: %d' % len(status['contexts'])) - exit(1) + fail('number of contexts', status) + + ctx = status['contexts'][0] + attrs = ctx['attrs'] + if attrs['sample_interval'] != 5000: + fail('sample interval', status) + if attrs['aggr_interval'] != 100000: + fail('aggr interval', status) + if attrs['ops_update_interval'] != 1000000: + fail('ops updte interval', status) + + if attrs['intervals_goal'] != { + 'access_bp': 0, 'aggrs': 0, + 'min_sample_us': 0, 'max_sample_us': 0}: + fail('intervals goal') + + if attrs['min_nr_regions'] != 10: + fail('min_nr_regions') + if attrs['max_nr_regions'] != 1000: + fail('max_nr_regions') + + if ctx['adaptive_targets'] != []: + fail('adaptive_targets') + + if ctx['schemes'] != []: + fail('schemes') + kdamonds.stop() if __name__ == '__main__': -- 2.39.5