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 564642E36FD for ; Tue, 22 Jul 2025 03:11:27 +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=1753153887; cv=none; b=TuRAA5iBkgcnyKN+wZA9+fSo9QkeY9BDNF/SzKLio86b7hKuy1JsZhxlgCaPMk8pvq9UeqQxWz7CBedSg/xjJQyKpYbgqw6KRg35GjU0b+rpmRdudvn7wYmC5cm1nadY8gIgS0Kp36+T12DhZHIS06d97l+qNs0QQn/pwdD6XDk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753153887; c=relaxed/simple; bh=MCNivxIRM1z39HTzx3sc49gQTsFgnwDtoY0yIZsE/Ow=; h=Date:To:From:Subject:Message-Id; b=n29N3GJCp09MFFKWMZmlFlCoitHUI7aC1N7MOaPyEhYqaAMhABTcf/pMC8WGMIiU7aEIu31uNpao2Fqp5MEMwWM+n7dVqUxXkd7FroDXRtcIM0R0vcnF2zFcpspfaYGS9XZ8yt8IPy2jzW+/Kf53zKLC7tiUjU1SNNpg1e1eies= 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=t60BJFE7; 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="t60BJFE7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21C13C4CEED; Tue, 22 Jul 2025 03:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1753153887; bh=MCNivxIRM1z39HTzx3sc49gQTsFgnwDtoY0yIZsE/Ow=; h=Date:To:From:Subject:From; b=t60BJFE7a4P+Cn0p9qs1HRuusrNINFejXJkcn8ES3i2UwGUIWGBS3wIjnxUPM76hG bYcFuPozqF+9A9pqWrjIe5qNv35YCS/IemcLF7j4x6mVOiXnLVOjwtPXvzg38yiyg7 Td+uqF3SQ85EQL5WyJ6t6s2QWC1SWjU93VyhA+fM= Date: Mon, 21 Jul 2025 20:11:26 -0700 To: mm-commits@vger.kernel.org,shuah@kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-damon-_damon_sysfs-support-monitoring-intervals-goal-setup.patch added to mm-new branch Message-Id: <20250722031127.21C13C4CEED@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/_damon_sysfs: support monitoring intervals goal setup has been added to the -mm mm-new branch. Its filename is selftests-damon-_damon_sysfs-support-monitoring-intervals-goal-setup.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-damon-_damon_sysfs-support-monitoring-intervals-goal-setup.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/_damon_sysfs: support monitoring intervals goal setup Date: Sun, 20 Jul 2025 10:16:33 -0700 _damon_sysfs.py contains code for test-purpose DAMON sysfs interface control. Add support of the monitoring intervals auto-tune goal setup for more tests. Link: https://lkml.kernel.org/r/20250720171652.92309-4-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/damon/_damon_sysfs.py | 43 +++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) --- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-support-monitoring-intervals-goal-setup +++ a/tools/testing/selftests/damon/_damon_sysfs.py @@ -405,18 +405,56 @@ class DamonTarget: return write_file( os.path.join(self.sysfs_dir(), 'pid_target'), self.pid) +class IntervalsGoal: + access_bp = None + aggrs = None + min_sample_us = None + max_sample_us = None + attrs = None # owner DamonAttrs + + def __init__(self, access_bp=0, aggrs=0, min_sample_us=0, max_sample_us=0): + self.access_bp = access_bp + self.aggrs = aggrs + self.min_sample_us = min_sample_us + self.max_sample_us = max_sample_us + + def sysfs_dir(self): + return os.path.join(self.attrs.interval_sysfs_dir(), 'intervals_goal') + + def stage(self): + err = write_file( + os.path.join(self.sysfs_dir(), 'access_bp'), self.access_bp) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'aggrs'), self.aggrs) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'min_sample_us'), + self.min_sample_us) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'max_sample_us'), + self.max_sample_us) + if err is not None: + return err + return None + class DamonAttrs: sample_us = None aggr_us = None + intervals_goal = None update_us = None min_nr_regions = None max_nr_regions = None context = None - def __init__(self, sample_us=5000, aggr_us=100000, update_us=1000000, + def __init__(self, sample_us=5000, aggr_us=100000, + intervals_goal=IntervalsGoal(), update_us=1000000, min_nr_regions=10, max_nr_regions=1000): self.sample_us = sample_us self.aggr_us = aggr_us + self.intervals_goal = intervals_goal + self.intervals_goal.attrs = self self.update_us = update_us self.min_nr_regions = min_nr_regions self.max_nr_regions = max_nr_regions @@ -438,6 +476,9 @@ class DamonAttrs: self.aggr_us) if err is not None: return err + err = self.intervals_goal.stage() + if err is not None: + return err err = write_file(os.path.join(self.interval_sysfs_dir(), 'update_us'), self.update_us) if err is not None: _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-core-commit-damos_quota_goal-nid.patch mm-damon-sysfs-implement-refresh_ms-file-under-kdamond-directory.patch mm-damon-sysfs-implement-refresh_ms-file-internal-work.patch docs-admin-guide-mm-damon-usage-document-refresh_ms-file.patch docs-abi-damon-update-for-refresh_ms.patch mm-damon-ops-common-ignore-migration-request-to-invalid-nodes.patch selftests-damon-_damon_sysfs-support-damos-watermarks-setup.patch selftests-damon-_damon_sysfs-support-damos-filters-setup.patch selftests-damon-_damon_sysfs-support-monitoring-intervals-goal-setup.patch selftests-damon-_damon_sysfs-support-damos-quota-weights-setup.patch selftests-damon-_damon_sysfs-support-damos-quota-goal-nid-setup.patch selftests-damon-_damon_sysfs-support-damos-action-dests-setup.patch selftests-damon-_damon_sysfs-support-damos-target_nid-setup.patch selftests-damon-_damon_sysfs-use-232-1-as-max-nr_accesses-and-age.patch selftests-damon-drgn_dump_damon_status-dump-damos-migrate_dests.patch selftests-damon-drgn_dump_damon_status-dump-ctx-opsid.patch selftests-damon-drgn_dump_damon_status-dump-damos-filters.patch selftests-damon-sysfspy-generalize-damos-watermarks-commit-assertion.patch selftests-damon-sysfspy-generalize-damosquota-commit-assertion.patch selftests-damon-sysfspy-test-quota-goal-commitment.patch selftests-damon-sysfspy-test-damos-destinations-commitment.patch selftests-damon-sysfspy-generalize-damos-access-pattern-commit-assertion.patch selftests-damon-sysfspy-test-damos-filters-commitment.patch selftests-damon-sysfspy-generalize-damos-schemes-commit-assertion.patch selftests-damon-sysfspy-generalize-monitoring-attributes-commit-assertion.patch selftests-damon-sysfspy-generalize-damon-context-commit-assertion.patch selftests-damon-sysfspy-test-non-default-parameters-runtime-commit.patch selftests-damon-sysfspy-test-runtime-reduction-of-damon-parameters.patch