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b=a+1h9UwEZaZS/LPsNopIbxUopaZwtYXF5cy6VF5yz/Pgd2MDcvXnWiuJ4RC2iarxy msyBKMzITR7W4HjhpBDCgS+m9coNH5OrpkjFpLdYaBgogX0+jSFYWKHEC6dHxpCyct xxOf0zvTjF4Owsd2/u++FG/pjc18Saq763HqQbf0ErieyrnBGx+SmmtaShumWFFAbZ Zpy9K4QwX8nBqUEBGsLKsPc5pyZy1s2SlYlmr5oikfLXyVOhIUBS+AkYwIWEASPB7X 2eRX6NuJcbBk3vznlwN7/85hWDz3B5lwbv6YEorLlaVgRhQJdB70najlGv+gcQAcSE xw5+nP8jKn/aA== From: SeongJae Park To: Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v5.1 09/11] selftests/damon/_damon_sysfs: support failed region quota charge ratio Date: Sat, 11 Apr 2026 09:49:02 -0700 Message-ID: <20260411164908.77189-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260411164908.77189-1-sj@kernel.org> References: <20260411164908.77189-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 68FF8C0007 X-Stat-Signature: fjdsnnjr7899o57b6d7czfbi3ji19x13 X-Rspam-User: X-HE-Tag: 1775926171-30954 X-HE-Meta: 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 uR1+HR6H +bWe3vT1U1jhxVbXRB8GsvdSov5Jb+s1VONG4KtLi5YlO4UK8sU72tHPwQE0taM1C4qScq3nxXunzN8uaWxva+wIzanPvPJMj+/3ZoaS3R82pvv619UdaGKys43IjcyKO0/eInM2bpjCGy0kB4QtfYHHLEJxoj9utgmTQ9LbqXPRPCd7qc6ocI8KJ0xF0IdQI5P4KyiQUAbV1Qp7Pzq5VfMYZxwBjYXpUkoPv+yjV3K3gFBGJWExsfwRscdzlIG1zodsQufmHwwEBO1Gbm3En12InxwOrNZYx6wRPGweMvoCXWDaSnfnYBhDQPdbuj34liS20oJZ/CIXe8d0cQTt9jdVFGaOmfz01T8ZATU39/B2/tXV5q1WF3mhtrQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Extend _damon_sysfs.py for DAMOS action failed regions quota charge ratio setup, so that we can add kselftest for the new feature. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 21 +++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 120b96ecbd741..8b12cc0484405 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -132,14 +132,17 @@ class DamosQuota: goals = None # quota goals goal_tuner = None # quota goal tuner reset_interval_ms = None # quota reset interval + fail_charge_num = None + fail_charge_denom = None weight_sz_permil = None weight_nr_accesses_permil = None weight_age_permil = None scheme = None # owner scheme def __init__(self, sz=0, ms=0, goals=None, goal_tuner='consist', - reset_interval_ms=0, weight_sz_permil=0, - weight_nr_accesses_permil=0, weight_age_permil=0): + reset_interval_ms=0, fail_charge_num=0, fail_charge_denom=0, + weight_sz_permil=0, weight_nr_accesses_permil=0, + weight_age_permil=0): self.sz = sz self.ms = ms self.reset_interval_ms = reset_interval_ms @@ -151,6 +154,8 @@ class DamosQuota: for idx, goal in enumerate(self.goals): goal.idx = idx goal.quota = self + self.fail_charge_num = fail_charge_num + self.fail_charge_denom = fail_charge_denom def sysfs_dir(self): return os.path.join(self.scheme.sysfs_dir(), 'quotas') @@ -197,6 +202,18 @@ class DamosQuota: os.path.join(self.sysfs_dir(), 'goal_tuner'), self.goal_tuner) if err is not None: return err + + err = write_file( + os.path.join(self.sysfs_dir(), 'fail_charge_num'), + self.fail_charge_num) + if err is not None: + return err + err = write_file( + os.path.join(self.sysfs_dir(), 'fail_charge_denom'), + self.fail_charge_denom) + if err is not None: + return err + return None class DamosWatermarks: -- 2.47.3