From nobody Wed Oct 8 12:33:57 2025 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 7DC6224A046; Sat, 28 Jun 2025 16:04:34 +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=1751126674; cv=none; b=tevsHdau7IvmTmZ/Q7XjQ1k6rO8tEpUl0KYWeRjE8vB+XoZk7uBFs5tShFeWdQUSnbNNGekcGujMKNf4S4EZzVoZRWRUOPm981Dg7FppGCNaILuc09caSCnYug2x60vhXCzTMLjBJVqqiSMuTiE93rWXCwio1efa4YoqFjhbHEQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751126674; c=relaxed/simple; bh=/RUstGJfkJjRI+Pr6WW5egPsetwstPl+AsaLyBk7JE4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=o5S7z9Spk5Z60uL2MFB9fqO21IJz5/zdIub9ADyppnwJGIZF3KDMwc2fZqQD56q0ZUCEOkaO8NjS2xmMkDe5c4wVB6pAe3I+NvIQ16VxrJoiJu4mqcadVcgmNi4FDpGt8u/19jTv7g/V2fM9Yg9gLDz6qnRLxJqyB+M8NfqmvEc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AL3CjV8R; 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="AL3CjV8R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0B039C4CEF0; Sat, 28 Jun 2025 16:04:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751126674; bh=/RUstGJfkJjRI+Pr6WW5egPsetwstPl+AsaLyBk7JE4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AL3CjV8RIxzxWxM0CBi6GhgIMqaf9qt6luLN0tmydUTgFd+kG6t/FoisMMGa+eE/7 sT34yBMVuQTiXpRS7fxFl6+/bzgfvu3Xp4VcdlVWLUM00qeumc63oD3hbfNntsc6tA uxPFbiM/CqYQHJNsuH6CX1SWnn2ilDD3htKqZFui/qo7Qnm/LQqIjR+XPqLBEUaTfX zHUHKT4zKiJs45m1KEvgkG24rlK5H3yI8hkbM/ZSd7ZP64/uNDuj3HHvGNzlVmzBsA 2enrh9+qZoK2oNklSK1BRvbaHgH9d2kvsjfI6ON0/mMvOzjB+l3sj8DfFX8WNfqbGK XNW4o+oz7ABVQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , 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: [PATCH 2/6] selftests/damon/_damon_sysfs: set Kdamond.pid in start() Date: Sat, 28 Jun 2025 09:04:24 -0700 Message-Id: <20250628160428.53115-3-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250628160428.53115-1-sj@kernel.org> References: <20250628160428.53115-1-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" _damon_sysfs.py is a Python module for reading and writing DAMON sysfs for testing. It is not reading resulting kdamond pids. Read and update those when starting kdamonds. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/= selftests/damon/_damon_sysfs.py index 5b1cb6b3ce4e..f587e117472e 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -408,6 +408,9 @@ class Kdamond: if err is not None: return err err =3D write_file(os.path.join(self.sysfs_dir(), 'state'), 'on') + if err is not None: + return err + self.pid, err =3D read_file(os.path.join(self.sysfs_dir(), 'pid')) return err =20 def stop(self): --=20 2.39.5