From patchwork Sun Jun 22 21:03:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 899161 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 D27AD222561; Sun, 22 Jun 2025 21:03:42 +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=1750626222; cv=none; b=nJoQ84DvZ34XacrwrTpQndpcWyJa3OG0RIv7qF05wFioUvlbQL+VeIC+dmTClB+y4YP3KfWXKLx489yhQZ7I0E7Nqj9x/Us1sx3E4pcmtxrTIpOUuti5Zp/uz8dkDgO59c9J0roFGaUJxgGPfoDSZJS55iyC2c6WDzAixR2qvxg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750626222; c=relaxed/simple; bh=CR4mzDVLH9lzs9or4TF7dOJ0izoFCJ1YoukXbycwrC8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hCgA3pMlysSNjlgwg+E4ZDHOtPV3SLpemM8laJZQ9Wn7TRq1yc7xFF/S0szCM7A1RNygd6ADNClMafth+oGozjdrjn6ArCVXP54KXH2o9oDVnNsGUvTiY2YM5rmdO3Z2/ATgsacMdD5t3LrkaszzzVf0r2tCSPWPMuO8chgJKb4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pNud93s6; 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="pNud93s6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 341A5C4CEED; Sun, 22 Jun 2025 21:03:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750626222; bh=CR4mzDVLH9lzs9or4TF7dOJ0izoFCJ1YoukXbycwrC8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pNud93s6qSRE2V1pdjrSodSG5/YV8dkAhP0AXa7Ckh4nHqDDcZ8kpKYu8dUyXDCbV XGex9qXl94srCsIuUeNPqldNomDb9fjBSPmgfHaF8LZbyvrO0IhkwrNkZ6NdsNjUOL A7yz2ZGNDs4eYkhVdNe3SwIcvYsIt84eYAlj/xBLumTlQ73JIxfBpb0cmd/yT+BGuW 8T2rHrsLo7mBWF18WGDhTXyeiSQRulKOoH+WJ4t1H60eXZ9L5WpTbzVi0gx72Dcajm /buyKh9LyCnfqxvhwxrG0PU0F+BHzETLErcJaiiLOBHHbkcv+FdjRaWGvdzBLh9JH9 YJiWTmtiH8R9A== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Shuah Khan , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 6/6] selftests/damon/sysfs.py: test DAMOS schemes parameters setup Date: Sun, 22 Jun 2025 14:03:30 -0700 Message-Id: <20250622210330.40490-7-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250622210330.40490-1-sj@kernel.org> References: <20250622210330.40490-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add DAMON sysfs interface functionality tests for basic DAMOS schemes parameters setup. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/sysfs.py | 46 ++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py index 3b085268f342..e67008fd055d 100755 --- a/tools/testing/selftests/damon/sysfs.py +++ b/tools/testing/selftests/damon/sysfs.py @@ -29,7 +29,9 @@ def main(): kdamonds = _damon_sysfs.Kdamonds( [_damon_sysfs.Kdamond( contexts=[_damon_sysfs.DamonCtx( - targets=[_damon_sysfs.DamonTarget(pid=-1)])])]) + targets=[_damon_sysfs.DamonTarget(pid=-1)], + schemes=[_damon_sysfs.Damos()], + )])]) err = kdamonds.start() if err is not None: print('kdamond start failed: %s' % err) @@ -66,8 +68,46 @@ def main(): { 'pid': 0, 'nr_regions': 0, 'regions_list': []}]: fail('adaptive targets', status) - if ctx['schemes'] != []: - fail('schemes') + if len(ctx['schemes']) != 1: + fail('number of schemes', status) + + scheme = ctx['schemes'][0] + if scheme['pattern'] != { + 'min_sz_region': 0, + 'max_sz_region': 2**64 - 1, + 'min_nr_accesses': 0, + 'max_nr_accesses': 2**32 - 1, + 'min_age_region': 0, + 'max_age_region': 2**32 - 1, + }: + fail('damos pattern', status) + if scheme['action'] != 9: # stat + fail('damos action', status) + if scheme['apply_interval_us'] != 0: + fail('damos apply interval', status) + if scheme['target_nid'] != -1: + fail('damos target nid', status) + + if scheme['quota'] != { + 'reset_interval': 0, + 'ms': 0, + 'sz': 0, + 'goals': [], + 'esz': 0, + 'weight_sz': 0, + 'weight_nr_accesses': 0, + 'weight_age': 0, + }: + fail('damos quota', status) + + if scheme['wmarks'] != { + 'metric': 0, + 'interval': 0, + 'high': 0, + 'mid': 0, + 'low': 0, + }: + fail('damos wmarks', status) kdamonds.stop()