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b=ODU85TTZFKTroXbh8r0wzowseIcB6UbnnIAZwvCjg596LBqHtS4B2P2VMF8DO++xp 9i4el1WvytI0Bb+pqpNW/22vs+gwu1q8gvvBQh7icRxckaDeR3PTqwCnr6lCK209FS YJqWZwCxiMtSZsrqMGQ08yhHIGwiTcLn41+MTks8Fhi2KkOVJPoLKZQhJUyBZstGDc YKMq3altvB5TtX2OkOSNIdCTwIpUS+6m1PQ9jPXkLG/3sSxajMicrOx2GUXNaLHy9+ AJwQaN2AzfFKY5evddqDeXbEtsKAhg4Xk7v/O4IJy49aPax9GHmZFUPDo2BLwAj029 k8+fmjjZw5oSA== 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 v3 08/10] selftests/damon/_damon_sysfs: support failed region quota charge ratio Date: Mon, 6 Apr 2026 18:05:30 -0700 Message-ID: <20260407010536.83603-9-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260407010536.83603-1-sj@kernel.org> References: <20260407010536.83603-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 3EC6EC000A X-Stat-Signature: xw3wen9c9he3538tixmbp6spf79bgdam X-Rspam-User: X-HE-Tag: 1775523944-724607 X-HE-Meta: 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 wH5X9R/s UgKcNBAXeabKZrP2m3FzqgEtwNpsFADFo9/DwJq1d2MqF3RE/w/EFU4u9XHKFPmyxHLsN 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