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b=TBd1tRlRVlUqZHJkb40DOR3rwB5ijHVT51HL8st3yLtEpNxnDr+V5LAgnRMS1h9tc bht0kR/NS2eydwDBc5GlVomCWgRW794wKrHKjCJu0XsfbpaL3D73rhO70ToMAL3vuE avJZQ6i1ArYdQ/FPNjN1ZgO5LVoSGSaDyLJb8P0OSecsfu8p6JPlbg8OFi5Ok+SdXR n+HpS2It8SRcWONBGR0ta44BtwsPw6LVWt+Np+OWz0d1uLG2PpIOfpamR88LKOU7wm wziYjYnsnItV8m9AGxYcLVk33LIIOfM8wK2P/4wXK0f0gqm+OA7SceMsuBaWIv9OT2 NHzZqGLhifP8A== 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 v2 7/9] selftets/damon/_damon_sysfs: support failed region quota charge ratio Date: Sun, 5 Apr 2026 08:12:25 -0700 Message-ID: <20260405151232.102690-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260405151232.102690-1-sj@kernel.org> References: <20260405151232.102690-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: F1680C0007 X-Stat-Signature: t6fy1aagqawedmmnt8xa1crc7krdw1c4 X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1775401960-783273 X-HE-Meta: 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 neTS/3E4 OJHpTgRr3B3OzrWlqjE+YJ+SNfAiRoEDYOVxv8xWLckfj7EMANDoviEw7uyVbcEwk9o6ffRsU0vfrgaUfUVMxBebgteMEG29Pjtci9NQMnQmab/mxlvf96UTP1KWFJyVLED0b2LWNOqj6PJ/Yca8ZKxMw3OdRCJ9AWBJXsfPMeLHE6T4v/T3hi+OsR0EdlYP2T+l70L0HbCipFPyvuGtgkBFhu+eupwjbNqoo2r+r5pKSk/0tBxWOD2At7i8vQqlhif8GnlE+UPTT0x9LVUlHAJmFYZAJtMgcYtpcPvSsucNR7ZM80juNzxDsv2mzYLQL6fbqmUwaYk7W4MjHOnyoJyKWJgX/4IutiJQZfMxipqqLZPUtY6sgwg1IDQ== 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