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b=AoaL4d7pmxfMgt9EFFeZzqIPSiLvPK2MG0/aV3/+v8PoP/2jL4y2mn85aok/vAeWS lUu0fcxy0JU3ldWr3YOHtd2OFM5v5K6Yb7OTnX/kU9eU0/0vaO42Fk9/UmCzb2O93Q sXxZbMM+xN7z5pu8vzfffpXx6Xjt3suKivPtQzXhpFMlwUaz1zOTkcuPU+3viyCnL0 +Vdfxr8Mz5AaQ9YgLBYxkhybS8lTH0Suds41A7n32kjeVKLmA5uRyq7FifaZMNrnkv W2q1BeImO185lV+9iFHQnaD9FtHcIe+FCUYtcXbqquPEsLI/JvtNHEK6pmFhyAyl95 jmW5MVuTEI/Zg== 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 v5.2 09/11] selftests/damon/_damon_sysfs: support failed region quota charge ratio Date: Sun, 12 Apr 2026 09:19:52 -0700 Message-ID: <20260412161957.82835-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260412161957.82835-1-sj@kernel.org> References: <20260412161957.82835-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: C305A140004 X-Stat-Signature: xt347p7jqt1oe7xreybfmig3c19g4iry X-Rspamd-Server: rspam06 X-HE-Tag: 1776010806-766527 X-HE-Meta: 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 O6R23Tph hYGUHP+4sA4qtj5Ok87XlP7qRJLWiVbgdmhGqfKYzUywpC94DFQUn4IIYJzbZX6bsndW6+5f2MBJ7uWz1Q7+tFv3oalMw9fUsBEP2229q9/7WMOT9/nfMijzBCzsW4Rx0uV5Iga17i9h2ys7AS5KoZ7DELv0zjm6jdlgWT6NWO7Wjxiq9HfXHb8ju1O4PGsYemiA3V3cueujeSQVd01s1XBQhM1k0HBoztNjI8DDYJLnvfQhuVU8K4ovXdTWF141E8jsbcPLNO43adZUbvTVV3pSVu1ZP2Or+7Sqz52hbwrhqMQyFbbKYY9GHsuOi1UmArhPz3VA80WVUkPOqYYGFwr4Rg35r7WTZN388zUsCcoe2j733O9N4jC6SDQ== 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