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 1EB4F2E36FD for ; Tue, 22 Jul 2025 03:11:32 +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=1753153893; cv=none; b=VsEAF93O+IeaiKA485m10F3luESUd9KsR3x53d7wgbqxPKa2qKrxjbU9TY9zgZuEFE4tlWcP7zqYmqRIuE4ini5ECSZRjrFl8W30TgV9tPpgRoPat4GIH3zHd4uYAI5ACjvjnjtreeUdtZnXIrELh38Jdwuox9rUYpDyY09bYk8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753153893; c=relaxed/simple; bh=kthYgPVgN7nqHLrOserNb8liWl+JBs8iUGloaH4++VA=; h=Date:To:From:Subject:Message-Id; b=dhAaj43bBmHTOfzCSDP1/SXPG7HAqi6q/bBvZS0SSauoFubqEH9ETqUKp/FKQ7I+waBurxxujQ9sCq+tnsTXpZdIhSI4Txmti1Nl7FN64lZ6kkWYv63DM3emngAR5fZchud62EsD7pXqWhlIsXYfatJTqxdIYqrLmbxVVlmrBJs= 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=ZdZn/TML; 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="ZdZn/TML" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A75EDC4CEED; Tue, 22 Jul 2025 03:11:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1753153892; bh=kthYgPVgN7nqHLrOserNb8liWl+JBs8iUGloaH4++VA=; h=Date:To:From:Subject:From; b=ZdZn/TMLGqTcn5O8P054mACwwfACRPa0LNMmeW3CCc1yIoxI4btCpPRKsBegzJDSi 73fqPW+XnRyvGWJpCJFN8vbYr7dBN8hRAzkd6IP0C/hR24MQfm2hR0lk6CRhqQgb2a 00+B8NLymSYhigza0RJt54zgAEcCmxu06Qxb4r1w= Date: Mon, 21 Jul 2025 20:11:32 -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-action-dests-setup.patch added to mm-new branch Message-Id: <20250722031132.A75EDC4CEED@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 action dests setup has been added to the -mm mm-new branch. Its filename is selftests-damon-_damon_sysfs-support-damos-action-dests-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-action-dests-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 action dests setup Date: Sun, 20 Jul 2025 10:16:36 -0700 _damon_sysfs.py contains code for test-purpose DAMON sysfs interface control. Add support of DAMOS action destinations setup for more tests. Link: https://lkml.kernel.org/r/20250720171652.92309-7-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/damon/_damon_sysfs.py | 56 +++++++++++++++- 1 file changed, 55 insertions(+), 1 deletion(-) --- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-support-damos-action-dests-setup +++ a/tools/testing/selftests/damon/_damon_sysfs.py @@ -319,6 +319,52 @@ class DamosFilters: return err return None +class DamosDest: + id = None + weight = None + idx = None + dests = None # owner dests + + def __init__(self, id=0, weight=0): + self.id = id + self.weight = weight + + def sysfs_dir(self): + return os.path.join(self.dests.sysfs_dir(), '%d' % self.idx) + + def stage(self): + err = write_file(os.path.join(self.sysfs_dir(), 'id'), self.id) + if err is not None: + return err + err = write_file(os.path.join(self.sysfs_dir(), 'weight'), self.weight) + if err is not None: + return err + return None + +class DamosDests: + dests = None + scheme = None # owner scheme + + def __init__(self, dests=[]): + self.dests = dests + for idx, dest in enumerate(self.dests): + dest.idx = idx + dest.dests = self + + def sysfs_dir(self): + return os.path.join(self.scheme.sysfs_dir(), 'dests') + + def stage(self): + err = write_file(os.path.join(self.sysfs_dir(), 'nr_dests'), + len(self.dests)) + if err is not None: + return err + for dest in self.dests: + err = dest.stage() + if err is not None: + return err + return None + class DamosStats: nr_tried = None sz_tried = None @@ -349,6 +395,7 @@ class Damos: ops_filters = None filters = None apply_interval_us = None + dests = None idx = None context = None tried_bytes = None @@ -358,7 +405,7 @@ class Damos: def __init__(self, action='stat', access_pattern=DamosAccessPattern(), quota=DamosQuota(), watermarks=DamosWatermarks(), core_filters=[], ops_filters=[], filters=[], - apply_interval_us=0): + dests=DamosDests(), apply_interval_us=0): self.action = action self.access_pattern = access_pattern self.access_pattern.scheme = self @@ -376,6 +423,9 @@ class Damos: self.filters = DamosFilters(name='filters', filters=filters) self.filters.scheme = self + self.dests = dests + self.dests.scheme = self + self.apply_interval_us = apply_interval_us def sysfs_dir(self): @@ -412,6 +462,10 @@ class Damos: if err is not None: return err + err = self.dests.stage() + if err is not None: + return err + class DamonTarget: pid = None # todo: Support target regions if test is made _ 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