From mboxrd@z Thu Jan 1 00:00:00 1970 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 CCD69522A for ; Sun, 29 Jun 2025 22:48:02 +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=1751237282; cv=none; b=TAK2z6MadnGkurSq05yXlgzvgsDy9LxY0pzslF9oLLJkUjsw4Rn+RLkMYxKVx1ArTXdyrK/UH5VISm2T8F/fL1JN+//msYDVWR5yNs4wAxF6qdWnBAffbgDxS4mvyu1gBgekeyusuaRlixjf1g40dGaNjydEZWQaymWuYzjwCVA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751237282; c=relaxed/simple; bh=rhg12gBuybCgRfwy3J7nJYbZzSdUxK8AfWZmDvtL27g=; h=Date:To:From:Subject:Message-Id; b=m/qbDtdrjGXNgLQJGY6g95wlJzuln7gLNbYkzrkz7enuxjuuuCXj1YU7226hSWrbjcJtlNdpmRc7Ki14GCllzpgE+INji8d+Q3AIiGl18JhjxasfdipH0382Aw810KAF/P2kwLk2MMGQ5fq1rB7RM3OBEHQ8JnWGK1NkKry1rr0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=AUezD0VR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="AUezD0VR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EB71C4CEEB; Sun, 29 Jun 2025 22:48:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1751237282; bh=rhg12gBuybCgRfwy3J7nJYbZzSdUxK8AfWZmDvtL27g=; h=Date:To:From:Subject:From; b=AUezD0VRGnIQJ4Ce0SPgdUlxARXueWQlgTBwv25DG16+Y4QNkjOWYsHGplshBtNfb xWKDGxx722DyZfTA1m1u9xt86ZhOE8J1+Oba1AmVcPaePN6M3Xu3AcQ4/RmgCXgWtW NxRQAzMbXZEz/olKbcHOXjpwDtY+qMR/r2PSRzXA= Date: Sun, 29 Jun 2025 15:48:01 -0700 To: mm-commits@vger.kernel.org,shuah@kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-damon-sysfspy-test-monitoring-attribute-parameters.patch added to mm-new branch Message-Id: <20250629224802.4EB71C4CEEB@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: selftests/damon/sysfs.py: test monitoring attribute parameters has been added to the -mm mm-new branch. Its filename is selftests-damon-sysfspy-test-monitoring-attribute-parameters.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-damon-sysfspy-test-monitoring-attribute-parameters.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: SeongJae Park Subject: selftests/damon/sysfs.py: test monitoring attribute parameters Date: Sat, 28 Jun 2025 09:04:26 -0700 Add DAMON sysfs interface functionality tests for DAMON monitoring attribute parameters, including intervals, intervals tuning goals, and min/max number of regions. Link: https://lkml.kernel.org/r/20250628160428.53115-5-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/damon/sysfs.py | 34 +++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) --- a/tools/testing/selftests/damon/sysfs.py~selftests-damon-sysfspy-test-monitoring-attribute-parameters +++ a/tools/testing/selftests/damon/sysfs.py @@ -20,6 +20,11 @@ def dump_damon_status_dict(pid): except Exception as e: return None, 'json.load fail (%s)' % e +def fail(expectation, status): + print('unexpected %s' % expectation) + print(json.dumps(status, indent=4)) + exit(1) + def main(): kdamonds = _damon_sysfs.Kdamonds( [_damon_sysfs.Kdamond(contexts=[_damon_sysfs.DamonCtx()])]) @@ -34,8 +39,33 @@ def main(): exit(1) if len(status['contexts']) != 1: - print('number of contexts: %d' % len(status['contexts'])) - exit(1) + fail('number of contexts', status) + + ctx = status['contexts'][0] + attrs = ctx['attrs'] + if attrs['sample_interval'] != 5000: + fail('sample interval', status) + if attrs['aggr_interval'] != 100000: + fail('aggr interval', status) + if attrs['ops_update_interval'] != 1000000: + fail('ops updte interval', status) + + if attrs['intervals_goal'] != { + 'access_bp': 0, 'aggrs': 0, + 'min_sample_us': 0, 'max_sample_us': 0}: + fail('intervals goal') + + if attrs['min_nr_regions'] != 10: + fail('min_nr_regions') + if attrs['max_nr_regions'] != 1000: + fail('max_nr_regions') + + if ctx['adaptive_targets'] != []: + fail('adaptive_targets') + + if ctx['schemes'] != []: + fail('schemes') + kdamonds.stop() if __name__ == '__main__': _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-core-handle-damon_call_control-as-normal-under-kdmond-deactivation.patch mm-damon-introduce-damon_stat-module.patch mm-damon-introduce-damon_stat-module-fix.patch mm-damon-stat-calculate-and-expose-estimated-memory-bandwidth.patch mm-damon-stat-calculate-and-expose-idle-time-percentiles.patch docs-admin-guide-mm-damon-add-damon_stat-usage-document.patch mm-damon-paddr-use-alloc_migartion_target-with-no-migration-fallback-nodemask.patch revert-mm-rename-alloc_demote_folio-to-alloc_migrate_folio.patch revert-mm-make-alloc_demote_folio-externally-invokable-for-migration.patch selftets-damon-add-a-test-for-memcg_path-leak.patch mm-damon-sysfs-schemes-decouple-from-damos_quota_goal_metric.patch mm-damon-sysfs-schemes-decouple-from-damos_action.patch mm-damon-sysfs-schemes-decouple-from-damos_wmark_metric.patch mm-damon-sysfs-schemes-decouple-from-damos_filter_type.patch mm-damon-sysfs-decouple-from-damon_ops_id.patch selftests-damon-add-drgn-script-for-extracting-damon-status.patch selftests-damon-_damon_sysfs-set-kdamondpid-in-start.patch selftests-damon-add-python-and-drgn-based-damon-sysfs-test.patch selftests-damon-sysfspy-test-monitoring-attribute-parameters.patch selftests-damon-sysfspy-test-adaptive-targets-parameter.patch selftests-damon-sysfspy-test-damos-schemes-parameters-setup.patch