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 D105A2E36FD for ; Tue, 22 Jul 2025 03:11:25 +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=1753153885; cv=none; b=c42LHh4ksT7n8Lb/GRMXdMUXszS+kPYNQrWN3seFJjlASC2FKONn27tt8MD5gTGvfXU/SubQySwFp+qM86e2rT2xSNis85TzGWCm/td+mMJ/7344yAaM0btDZch5uncj3tfOlYoDEj3PBGH9+ejzqwyEaZRBR83bKhoqjXQ6qRw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753153885; c=relaxed/simple; bh=C2t2ASHXEVjRak+Hthl/eFzP4Zfcsv7Xe6iQrhV/lZw=; h=Date:To:From:Subject:Message-Id; b=Q8TcTUhHViUtWT9z+11jVveAftaVbej0V1fCu4P9X7Af1+oGcAGZ1I2gZWkjSbGEBievS65CEgwH5386cI1mv2VpU7YVxmSN2oB1LyvG15eNfEVSuSmKeyRJS/gWHQmlUxRiahUg8X1UbdgEXXDL3z0QyX3P1deDQT3HfMmo1Uk= 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=g9m0R1Jq; 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="g9m0R1Jq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 454B6C4CEED; Tue, 22 Jul 2025 03:11:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1753153885; bh=C2t2ASHXEVjRak+Hthl/eFzP4Zfcsv7Xe6iQrhV/lZw=; h=Date:To:From:Subject:From; b=g9m0R1Jqw2qr0KfkdcMP4SC5IT8Np2sDVWnQJUYPMCQPc3CU+edIaNF/FOvIkz4xs BUphdYyujsY81qbd6U/FicMi+B/ck6NvVOTMb09ZPrEnormbsQ9qvJMbKnCYD4I9SZ pSJcxIicLUjBEqKs9utrG9whDeacKO/SXMEn6bb4= Date: Mon, 21 Jul 2025 20:11:24 -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-damos-filters-setup.patch added to mm-new branch Message-Id: <20250722031125.454B6C4CEED@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 DAMOS filters setup has been added to the -mm mm-new branch. Its filename is selftests-damon-_damon_sysfs-support-damos-filters-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-damos-filters-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 DAMOS filters setup Date: Sun, 20 Jul 2025 10:16:32 -0700 _damon_sysfs.py contains code for test-purpose DAMON sysfs interface control. Add support of DAMOS filters setup for more tests. Link: https://lkml.kernel.org/r/20250720171652.92309-3-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/damon/_damon_sysfs.py | 115 +++++++++++++++- 1 file changed, 111 insertions(+), 4 deletions(-) --- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-support-damos-filters-setup +++ a/tools/testing/selftests/damon/_damon_sysfs.py @@ -201,6 +201,96 @@ class DamosWatermarks: if err is not None: return err +class DamosFilter: + type_ = None + matching = None + allow = None + memcg_path = None + addr_start = None + addr_end = None + target_idx = None + min_ = None + max_ = None + idx = None + filters = None # owner filters + + def __init__(self, type_='anon', matching=False, allow=False, + memcg_path='', addr_start=0, addr_end=0, target_idx=0, min_=0, + max_=0): + self.type_ = type_ + self.matching = matching + self.allow = allow + self.memcg_path = memcg_path, + self.addr_start = addr_start + self.addr_end = addr_end + self.target_idx = target_idx + self.min_ = min_ + self.max_ = max_ + + def sysfs_dir(self): + return os.path.join(self.filters.sysfs_dir(), '%d' % self.idx) + + def stage(self): + err = write_file(os.path.join(self.sysfs_dir(), 'type'), self.type_) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'matching'), + self.matching) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'allow'), self.allow) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'memcg_path'), + self.memcg_path) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'addr_start'), + self.addr_start) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'addr_end'), + self.addr_end) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'damon_target_idx'), + self.target_idx) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'min'), self.min_) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'max'), self.max_) + if err is not None: + return err + return None + +class DamosFilters: + name = None + filters = None + scheme = None # owner scheme + + def __init__(self, name, filters=[]): + self.name = name + self.filters = filters + for idx, filter_ in enumerate(self.filters): + filter_.idx = idx + filter_.filters = self + + def sysfs_dir(self): + return os.path.join(self.scheme.sysfs_dir(), self.name) + + def stage(self): + err = write_file(os.path.join(self.sysfs_dir(), 'nr_filters'), + len(self.filters)) + if err is not None: + return err + for filter_ in self.filters: + err = filter_.stage() + if err is not None: + return err + return None + class DamosStats: nr_tried = None sz_tried = None @@ -227,8 +317,10 @@ class Damos: access_pattern = None quota = None watermarks = None + core_filters = None + ops_filters = None + filters = None apply_interval_us = None - # todo: Support watermarks, stats idx = None context = None tried_bytes = None @@ -237,6 +329,7 @@ class Damos: def __init__(self, action='stat', access_pattern=DamosAccessPattern(), quota=DamosQuota(), watermarks=DamosWatermarks(), + core_filters=[], ops_filters=[], filters=[], apply_interval_us=0): self.action = action self.access_pattern = access_pattern @@ -245,6 +338,16 @@ class Damos: self.quota.scheme = self self.watermarks = watermarks self.watermarks.scheme = self + + self.core_filters = DamosFilters(name='core_filters', + filters=core_filters) + self.core_filters.scheme = self + self.ops_filters = DamosFilters(name='ops_filters', + filters=ops_filters) + self.ops_filters.scheme = self + self.filters = DamosFilters(name='filters', filters=filters) + self.filters.scheme = self + self.apply_interval_us = apply_interval_us def sysfs_dir(self): @@ -271,9 +374,13 @@ class Damos: if err is not None: return err - # disable filters - err = write_file( - os.path.join(self.sysfs_dir(), 'filters', 'nr_filters'), '0') + err = self.core_filters.stage() + if err is not None: + return err + err = self.ops_filters.stage() + if err is not None: + return err + err = self.filters.stage() if err is not None: return err _ 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