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b=hIfVawCJQa9bYg3f7JUHsBC/cPW2bdAnnuZpTLNWgt9P9RklDCFBYGMDfUdzC6G3V 5Q6H8vmJ5r/SXhNnueZA+Ey/nacn36kqUhS+83S5h3P0gCKdxYb5zNgPnb8G9s0Ro+ hkwLzCze0vumYA5pjIi2s/Jp1bCMlT5Fw2Upw6OuJZ8qVpIftBr96LBsgKqGqQr7GP IvdSJKLYsM8VsSYj1FS9tsTVXKxisFssiekxS3kf4eJTse9g77xFLA50oQn1oeDbfZ +eBa8bJMqIfcoJu5dsafmpwPdSiUn4mfAdE8X/gWSS5tX0s37m241rujWZyOr51eEE Fa/SNDczfXaVQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 09/11] selftests/damon/_damon_sysfs: support goal_tuner setup Date: Mon, 9 Mar 2026 18:05:25 -0700 Message-ID: <20260310010529.91162-10-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310010529.91162-1-sj@kernel.org> References: <20260310010529.91162-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: ADD4CA0004 X-Stat-Signature: 1iqi6hdhqeo3ccswqawxwzxepiq7ohxm X-HE-Tag: 1773104742-289663 X-HE-Meta: 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 crbVotae 1UQ5E Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add support of goal_tuner setup to the test-purpose DAMON sysfs interface control helper, _damon_sysfs.py. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 748778b563cd2..2b4df655d9fd0 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -130,15 +130,16 @@ class DamosQuota: sz = None # size quota, in bytes ms = None # time quota goals = None # quota goals + goal_tuner = None # quota goal tuner reset_interval_ms = None # quota reset interval 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, reset_interval_ms=0, - weight_sz_permil=0, weight_nr_accesses_permil=0, - weight_age_permil=0): + 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): self.sz = sz self.ms = ms self.reset_interval_ms = reset_interval_ms @@ -146,6 +147,7 @@ class DamosQuota: self.weight_nr_accesses_permil = weight_nr_accesses_permil self.weight_age_permil = weight_age_permil self.goals = goals if goals is not None else [] + self.goal_tuner = goal_tuner for idx, goal in enumerate(self.goals): goal.idx = idx goal.quota = self @@ -191,6 +193,10 @@ class DamosQuota: err = goal.stage() if err is not None: return err + err = write_file( + os.path.join(self.sysfs_dir(), 'goal_tuner'), self.goal_tuner) + if err is not None: + return err return None class DamosWatermarks: -- 2.47.3