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bh=zYB54nSNsC1cSvePQMmqCTyhvQRTVTX+nG90R7aX3cM=; b=go9uYhpBkfsLNRwhh1vQXkqwpbowTvADO7vlMVKh6B0S3DIDDogS2PwlcemgZqjJvw4rJ+ 9VFzlsFCilI4y+YNXY+c1TrLBuqCBm5FRMPnhEnwQsfAWR09OWxBt7pEfSXTN/HBrozofc 2nUFDsUQvCsLf/3ct2+io9HZQILrXPM= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=NUK0R1dE; spf=pass (imf06.hostedemail.com: domain of sj@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id B735140160; Mon, 29 Jun 2026 14:49:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6434A1F000E9; Mon, 29 Jun 2026 14:49:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782744575; bh=zYB54nSNsC1cSvePQMmqCTyhvQRTVTX+nG90R7aX3cM=; h=From:To:Cc:Subject:Date; b=NUK0R1dEJcu8e5K+/EOxUGDzwIFsmYJ7Y9pvkPMQgkPlafcii5zsPnhsJZ6mn4d9I jgGj0DA3FIN7j+ceIyVFKqrAZOrxU3rAzB8RKswIOOEpzQqKc6gZC/h+vp74Qz7Q7F 3D2XcEn9v9jgwMdf7JmLrOPI298bp+xG8yWlbnYDqE9hvljayGzNKvPrGmi8XQGdUr MnLNZlWnO5bcm9D8Mmkrfsha3tayGPlqGFMjR2zKOCcI9LzFuJLbJgVQ1nlf8UdBH8 UK0anGAEX9uC3BkyY49RU55YN07nk5fMnrUJ/SgLMpt5fjDIfDg7dRqv42gd7Ml7px fQZ7Nh9YqxdlA== From: SJ Park To: Andrew Morton Cc: SJ Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 0/2] selftests/damon: test kdamond refresh_ms Date: Mon, 29 Jun 2026 07:49:24 -0700 Message-ID: <20260629144927.134237-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: ds9ibpenjnd3qcchbihkty5e1ywugoyz X-Rspamd-Queue-Id: 8548F180012 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1782744576-905599 X-HE-Meta: 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 WVeBAR50 n4VnL60Cdi91K2oXaX+V0g0/R4AQbKS/Cv8wpoCBPrQrD7AbCm/mlB+2PqEaSr6CUSV7tthyuHYEhkqQ895MMjyOo8gjG9mz85ODKEE5LrD/qhb1/34dWsV7sI3WvhW0Yn1SVUDddBGVJwG3dCF6fEbkg/VkadQKyZ9fHQTImHodT86jkgFAkwrg/ZSzrG0LwWr09big7VVFFLoVVNvLHt4+Hz/e1SEE1SEIP7lEdnGYXD9FEuOJNexZ/nXnYEYRGNYJhqwLjuvkob1uQPjO4w4/OCTblldTpSHTm0vsF9hM3D3i6KDX0dNvVKQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The kdamond 'refresh_ms' sysfs file makes DAMON periodically update its read-only sysfs files (DAMOS stats, tuned monitoring intervals and the kdamond pid) on its own, so users don't have to write update keywords such as 'update_schemes_stats' to the 'state' file. It has no selftest coverage. The first patch adds refresh_ms support to the _damon_sysfs.py test control module. The second adds a test that sets refresh_ms and confirms a scheme's stats are updated under sysfs without an explicit update request; the test skips on kernels that predate the refresh_ms file. Tested on current mainline under a DAMON-enabled kernel: the new test passes and the existing DAMON selftests show no new failures. Changes from v1 - v1: https://lore.kernel.org/20260602131217.2210912-1-linuxoid@gmail.com - Add R-b: from SJ. - Rebase to latest mm-new. Ruslan Valiyev (2): selftests/damon/_damon_sysfs: support kdamond refresh_ms selftests/damon/sysfs_refresh: test kdamond refresh_ms tools/testing/selftests/damon/Makefile | 1 + tools/testing/selftests/damon/_damon_sysfs.py | 9 ++- .../testing/selftests/damon/sysfs_refresh.py | 75 +++++++++++++++++++ 3 files changed, 84 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/damon/sysfs_refresh.py base-commit: f46247bcce72b9e62868c347711c772657b00ce6 -- 2.47.3