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b=i6VubvumcioSchjh+1b19ck1CIzXLp3OIteNf1x5P11TUWwbaPqCHAh7Q4F4ItntZ vKArxr1U2GaVMl5oPmNpkxuaNKFrYDQva9f3nFQeTxwYl+VqobL7e+TBIvwamp2wzi I9E4lQf382pmXXOVvNr/WpqFOa38NYi11cCvgTSE0+OcjwVHygFOHn/dtdGSLv1T3f H67wD5++m0OB9RE+ggR8BWSQ472rISOZHMn51os9FM22LSJCKWn9+s5LZx3+ON9+I8 KHIhaebJjzIHMtra/dZVtdYXr2+Jwa7JBWrwlCCJJzKg64bKzA2VNuJHiagOx94IqE +mRMaDzx2TWqA== 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 7/9] selftets/damon/_damon_sysfs: support failed region quota charge ratio Date: Sat, 4 Apr 2026 09:39:37 -0700 Message-ID: <20260404163943.89278-8-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260404163943.89278-1-sj@kernel.org> References: <20260404163943.89278-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Stat-Signature: u1ainu416sp79idmb54aajt3j3wqmmic X-Rspamd-Queue-Id: DF4CBA000C X-Rspam-User: X-HE-Tag: 1775320797-51015 X-HE-Meta: U2FsdGVkX1+tmurEx83T20fxvkpbvOdNEMYD7pFBe8Cn8LCzvSKxrdB4a60D4+neqcLG3dPcLGsBIxWQ6xwE7+ezDORuAtrTWabtjFClNltBD5+QR4ksuAb6Zv/RbVHIyLNBckSmAQOhqnRYA4AO9XGaoHutwjq1Xrr5oQ+w/SOgrTc2gQ97Y9gsGmJmeqwvArouYQBj23kcrEU1/5qCqnHXQMm4xsnrrTuTfNV9fCBrxt2rq1bZXCJyvbpOPtPM4FtseNIGzZ4EZAyJ6hhuROEtvKFdW7bjjV1rer62bDKiqsoizhLZvmmJ0T0hT/+UbE6ZUilr67KF12Qx4tNiHrEi3JIiBFlcnNWvrrQZ+xZwGYppRkZYo4Srn00yr0BBc4Ba4tLy+reeuiotA5hOszDSDWjuNp93t7oU4eTKE/G9NvsmQYbmPeNA8h7G4LgYnFP3IO36QxSPoGA64ocmiDfeTiGJuUw3Ky+Ysjhh8W7XnAjfGBclMPGanaRFoXV1IfTs+OM2CLxWFHf1DLbipQUyYitDMkyuXPjo6eRk3AtG5N4oSkMmw6kdPo8V+MJcSDpUBdsEuSJo+lSSjRtlt91ogsTSzTnRtJvCwJhzvjjtX9l/MTzs3cGAOiX4o6XDCEOfVDswC0mDf9HwV8RWbtnbyXtw8//lShAumxCjPw9yghuP0xBQLS+EU8b+HN5Ze8PLUTzxKx0+dacEAbZGho2upMq+9PXVh4xwTG58tuIugxcAsb28LnaLV4sYeGdq5eHQGG+fdEsk/BnZvWPbnw/FMhomkDaWQSzoaP/vJh7sdP/bMg/BMFpYc4W6gnA2TbU5zS65zfy3gP79eEuvAxlE0bGDLZ0csRpHU8aaJnV47MdKndLKuO80318yNxbO3WCqIP+K4tWn6puheucFeGX9Y1yFsUX4X8hyMP5I+8zWyOvtASywVua3Jye1DvohE6w5CcQB2FMxstSMrR4 XfITyV0c /fKL+LkOffrAkV+hg+HPGCnTOwu5KyoPMrRtx64YJAaYx2rX3lLNDYB/ECMAJ8bKnfIRkE9GlWsihLmwLGywrPS8hcbvX9NY654watTS4Qj/QqrEggx53dVUsoO3+EFfoe1LS1i7W/1bR7KlTfMPLRgZf/A+Xj5x5NpiFETHiR0mdPq/k9fuiCPemmU7P9R9WbKDvvBY+NFk16HCnih3zkjlTyO3XjItvx3QGSoLkRJ5uckPcJbcNgsnDFp2Z3rj9oUOQOqqrF54SADBF8U43Urskzr4gSNjb0HsCqVUDXzkGTaJQAaDl/i4cLSnKzPOVRvl3pdCikGB5j+JQFZCXOQekzlf5N1pfbQKZRUCWuIPSs2IVVvJdUa4sFw== 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