From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6BA113368AE; Mon, 29 Jun 2026 14:46:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782744416; cv=none; b=r0niGyP+8vneLi5mXGEVYnLrP68UlPd0fkd3c4fE7Nm4WGh0mzC3u+gA9W35eRbf4lJRRRZDGM31fRAqhiamedXDfTC5x7HD2+J5fw1JfPwWlSQIGVJZHTelTQglwVjhVG1NbrsUxRLaYI8vo1Z6XlLyR/hWMfFbyaruREpXZB4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782744416; c=relaxed/simple; bh=1uD40Df7jwFfKJSPyd6V6VHZU1QHl2suPb391IzKnHo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=eIHkEUbdxpaBfSllI3hqd0XOLYl9zd4tzfgyaHBZZwJDiXnontKl1DaSCoaziBiqgoWvN/mp7yE7w7WcQ0yqfjeJx8GOIpetULAyWiuXPiY7YJ7JjtjMxQQ+tqZh/yYRATEYN/iUaH/qlWMmJ2cykoNufSkkwe/+D8PJ8hrxncI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IAD50WWI; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IAD50WWI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFC6F1F000E9; Mon, 29 Jun 2026 14:46:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782744414; bh=svLSRV5+v1TtKAkU6LuPybep7uMwQKca4/P6Ar1kw+k=; h=From:To:Cc:Subject:Date; b=IAD50WWIyFXg021KYJrKVqnI+of89mmlTSbWh/RW4ZYIs/eOGjIFA9X0f0TZCqxWk BBQ1VQ+Hu4rUoGaNxktmFdXXaymIrOfbhwYHyzIMdNh58sFKhqOEPfSinO26RqgGeI AB0COGQyob1YpARJ/6QElQuT+Lm0R+QnM5AcZ8pGDKNn0WP5ArcNdceBXZnV6z6n7M DkGD0x2ojQuTFwO41hRkNCCaYRVJmD9U2d24yCfgPSF6dn7i1p4wWM50FlL4y5ACyt 8oVvsQwgekQ5JNVkTHXxgYR2tkIJ9Pq3CId/LqNGi1a+tZ6cb3OtC5hNGGAu588eGK +h1duhrIhcKAQ== From: SJ Park To: Andrew Morton Cc: SJ Park , Kunwu Chan , Shuah Khan , Wang Lian , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v3 0/3] selftests/damon: misc fixes for test bugs Date: Mon, 29 Jun 2026 07:46:43 -0700 Message-ID: <20260629144648.134092-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series fixes several bugs in the DAMON selftests. Most are trivial but makes test output wrong or even silently pass the one test case for 'avail_operation' file existence check. Patch 1 fixes mutable default arguments in DamonCtx.__init__() that cause state to leak between test instances. Patch 2 fixes wrong operator precedence and join TypeError in damos_tried_regions.py. Patch 3 fixes several wrong strings that produce dead elif branches, skipped file existence checks, and broken dict key lookups. Changes from v2: - v2: https://lore.kernel.org/20260601032314.424013-1-kunwu.chan@linux.dev - Rebase to latest mm-new. Changes from v1: - v1: https://lore.kernel.org/20260531085633.48626-1-kunwu.chan@linux.dev - Fix From:/Signed-off-by mismatch. - Add Reviewed-by tags from SJ Park. - Drop the duplicate memcg_path fix. - Drop the empty aggregation-cycle retry fix pending root-cause investigation. - No code change Kunwu Chan (3): selftests/damon: prevent cross-context state pollution in DamonCtx selftests/damon/damos_tried_regions: fix expectation output and join TypeError selftests/damon: fix dead code, skipped checks, and broken lookups tools/testing/selftests/damon/_damon_sysfs.py | 12 +++++++++--- .../testing/selftests/damon/damos_apply_interval.py | 2 +- tools/testing/selftests/damon/damos_quota_goal.py | 2 +- tools/testing/selftests/damon/damos_tried_regions.py | 4 ++-- .../selftests/damon/drgn_dump_damon_status.py | 2 +- tools/testing/selftests/damon/sysfs.py | 4 ++-- tools/testing/selftests/damon/sysfs.sh | 6 +++--- ...fs_update_schemes_tried_regions_wss_estimation.py | 2 +- 8 files changed, 20 insertions(+), 14 deletions(-) base-commit: 1f7264da0cec89427b167cc51930dd8c169dade4 -- 2.47.3