From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2B60437FF54; Wed, 4 Mar 2026 04:41:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772599290; cv=none; b=Lhxf6Wlwkkr4jaD+xVdylL4eth+nZBaSBYsi6K0kZKLZe3rqatYfYdFqckk7AfKUj1DDNCD0abObK+55V6zOheckHTlxyvcCTYbFJiidxxumSb4TqmfyVwD444qPDu7U+IXmIT2oLDrem2h2/l2AU62awWTyjVwLYlJJnsbXvQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772599290; c=relaxed/simple; bh=+HQX6Y6KyyaMrF3l90vkRlVOFR5aGGsrQWEn3/nSaHo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M8HFgXMA4FIdHGM3F6UQY5gvyseV/72ZVkw8FAMR4VeO+VtrxDUTAKTk8V8w50hlvDI3wa3PHVrhcC3W84Gh9HyU7muN+OV8V7yERC9GIpdgte4BKF867XEKWU/vJ5mMjqh/g9CxLCUmwf/qt7EdYMBzExUHf7LGQA4Xw6Ippss= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jOANUg29; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jOANUg29" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5FACC19423; Wed, 4 Mar 2026 04:41:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772599289; bh=+HQX6Y6KyyaMrF3l90vkRlVOFR5aGGsrQWEn3/nSaHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jOANUg29JEMAPQXfb4thilzOeD36TUkrZ81dBj5gH2D+LNQbIVWdhnWG5NHTwV0pZ gG5GLW/GaATT0afiYCs/w1glhlFTps9RK/5ybhSFNVvFX0V5NViHW/ctN2HDu/Z2Aq mtpPZ4/4ZZpbdqEi0YG/gxt3qLkkXLk4g+I6ehv1K+oeAGE55FuFmZnvH7/IxWptKF G0C+VJ6uqiqehkVxHiXaUMwNJnLv5OF+d0cFcHtqjAwx6ZtX3d4NO946bS5hQDgall mQYiEqdUxGwqtcN0JhOJlh4FYTk7WjklMh//kBC8zIx+bv9x73r2wIPIJ3BNRN85mZ ZGAOB8wTvryUQ== 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 08/10] selftests/damon/_damon_sysfs: support goal_tuner setup Date: Tue, 3 Mar 2026 20:41:17 -0800 Message-ID: <20260304044122.79394-9-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260304044122.79394-1-sj@kernel.org> References: <20260304044122.79394-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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