From nobody Sat Feb 7 12:01:04 2026 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 C80CA223702; Thu, 23 Oct 2025 01:25:44 +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=1761182744; cv=none; b=G8we3bFEuByi3vNV6BbQF2aA70XjPNnCKytx1jQbB+RrujKwsYctGrZSwHcNvoQGRKI9nr/B1PzQInbaHy7FiqX3T6oCN0MLKSqSSOKtSQONfIJIvAG2nH8sesVv/20ycSEgWjwMYVLS02SKZVmxxrkQxMSiL4w9mZNPGuH9kow= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761182744; c=relaxed/simple; bh=RKBfxsBzDKUrYjFTiKbvh8ntTnFoyVwTsTEd+4eRipY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CR18YmiIF1KDYgtONUH8AvrvJRNIgJco9/M0kkNqW8pU37j0YRxuior6MXAFw1NH5f20SFmt6px2pDAGk/+jvcrMPL56pYKp3WPlW4OsYsLC8rqjnk55rX0VQB6Ap54Aff1yuDBLC9br2jNBJZh1n9TYgN1f0wK8mTa2QZAscDA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uezsR/zJ; 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="uezsR/zJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D239CC116B1; Thu, 23 Oct 2025 01:25:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761182744; bh=RKBfxsBzDKUrYjFTiKbvh8ntTnFoyVwTsTEd+4eRipY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uezsR/zJxoo+BgYu1GbfDfbFJOX02+pWxKCRXgxjhRtIgWFIdTDzahq7STAK6a6Ex rCrmY3omr5ZoSoytdOgy+5pemZYlaOTn9TYlJ5MWCInC6i9a+iSEW5FmDweM4cWmq8 eF8lAvypVFdPAQWzr0Fgjoy3uFf4NAHp9k31Z59kaD9CO1/gsAyXVTGUAPkNLGmnAV 9U+xiEEjvBqaUy9fYV/hQ7NC/EoqYvW/WUPbHBgMtDU7duCDO3vofznEhm8GBQG8CS ZdhiWEbkBx6au3ai7F53rC3/3HkKNyC7AfU0zLLBoZ0jBZviOiu/Q/5SrWGXHWyllF obXd6bIItSOKQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Bijan Tabatabai , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 6/9] selftests/damon/_damon_sysfs: support obsolete_target file Date: Wed, 22 Oct 2025 18:25:30 -0700 Message-ID: <20251023012535.69625-7-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251023012535.69625-1-sj@kernel.org> References: <20251023012535.69625-1-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: quoted-printable Content-Type: text/plain; charset="utf-8" A DAMON sysfs file, namely obsolete_target, has been newly introduced. Add a support of that file to _damon_sysfs.py so that DAMON selftests for the file can be easily written. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/= selftests/damon/_damon_sysfs.py index a0e6290833fb..748778b563cd 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -475,12 +475,14 @@ class Damos: =20 class DamonTarget: pid =3D None + obsolete =3D None # todo: Support target regions if test is made idx =3D None context =3D None =20 - def __init__(self, pid): + def __init__(self, pid, obsolete=3DFalse): self.pid =3D pid + self.obsolete =3D obsolete =20 def sysfs_dir(self): return os.path.join( @@ -491,8 +493,13 @@ class DamonTarget: os.path.join(self.sysfs_dir(), 'regions', 'nr_regions'), '= 0') if err is not None: return err - return write_file( + err =3D write_file( os.path.join(self.sysfs_dir(), 'pid_target'), self.pid) + if err is not None: + return err + return write_file( + os.path.join(self.sysfs_dir(), 'obsolete_target'), + 'Y' if self.obsolete else 'N') =20 class IntervalsGoal: access_bp =3D None --=20 2.47.3