From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org
Subject: + selftests-damon-_damon_sysfs-support-goal_tuner-setup.patch added to mm-new branch
Date: Tue, 10 Mar 2026 11:01:01 -0700 [thread overview]
Message-ID: <20260310180102.7472DC19423@smtp.kernel.org> (raw)
The patch titled
Subject: selftests/damon/_damon_sysfs: support goal_tuner setup
has been added to the -mm mm-new branch. Its filename is
selftests-damon-_damon_sysfs-support-goal_tuner-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-goal_tuner-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.
The mm-new branch of mm.git is not included in linux-next
If a few days of testing in mm-new is successful, the patch will me moved
into mm.git's mm-unstable branch, which is included in linux-next
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------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: selftests/damon/_damon_sysfs: support goal_tuner setup
Date: Mon, 9 Mar 2026 18:05:25 -0700
Add support of goal_tuner setup to the test-purpose DAMON sysfs interface
control helper, _damon_sysfs.py.
Link: https://lkml.kernel.org/r/20260310010529.91162-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/damon/_damon_sysfs.py | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
--- a/tools/testing/selftests/damon/_damon_sysfs.py~selftests-damon-_damon_sysfs-support-goal_tuner-setup
+++ a/tools/testing/selftests/damon/_damon_sysfs.py
@@ -130,15 +130,16 @@ class DamosQuota:
sz = None # size quota, in bytes
ms = None # time quota
goals = None # quota goals
+ goal_tuner = None # quota goal tuner
reset_interval_ms = None # quota reset interval
weight_sz_permil = None
weight_nr_accesses_permil = None
weight_age_permil = None
scheme = None # owner scheme
- def __init__(self, sz=0, ms=0, goals=None, reset_interval_ms=0,
- weight_sz_permil=0, weight_nr_accesses_permil=0,
- weight_age_permil=0):
+ def __init__(self, sz=0, ms=0, goals=None, goal_tuner='consist',
+ reset_interval_ms=0, weight_sz_permil=0,
+ weight_nr_accesses_permil=0, weight_age_permil=0):
self.sz = sz
self.ms = ms
self.reset_interval_ms = reset_interval_ms
@@ -146,6 +147,7 @@ class DamosQuota:
self.weight_nr_accesses_permil = weight_nr_accesses_permil
self.weight_age_permil = weight_age_permil
self.goals = goals if goals is not None else []
+ self.goal_tuner = goal_tuner
for idx, goal in enumerate(self.goals):
goal.idx = idx
goal.quota = self
@@ -191,6 +193,10 @@ class DamosQuota:
err = goal.stage()
if err is not None:
return err
+ err = write_file(
+ os.path.join(self.sysfs_dir(), 'goal_tuner'), self.goal_tuner)
+ if err is not None:
+ return err
return None
class DamosWatermarks:
_
Patches currently in -mm which might be from sj@kernel.org are
mm-damon-core-set-quota-score-histogram-with-core-filters.patch
mm-damon-core-do-non-safe-region-walk-on-kdamond_apply_schemes.patch
mm-damon-core-split-regions-for-min_nr_regions.patch
mm-damon-vaddr-do-not-split-regions-for-min_nr_regions.patch
mm-damon-test-core-kunit-add-damon_apply_min_nr_regions-test.patch
mm-damon-add-config_damon_debug_sanity.patch
mm-damon-core-add-damon_new_region-debug_sanity-check.patch
mm-damon-core-add-damon_del_region-debug_sanity-check.patch
mm-damon-core-add-damon_nr_regions-debug_sanity-check.patch
mm-damon-core-add-damon_merge_two_regions-debug_sanity-check.patch
mm-damon-core-add-damon_merge_regions_of-debug_sanity-check.patch
mm-damon-core-add-damon_split_region_at-debug_sanity-check.patch
mm-damon-core-add-damon_reset_aggregated-debug_sanity-check.patch
mm-damon-tests-kunitconifg-enable-damon_debug_sanity.patch
selftests-damon-config-enable-damon_debug_sanity.patch
mm-damon-tests-core-kunit-add-a-test-for-damon_commit_ctx.patch
docs-mm-damon-design-document-the-power-of-two-limitation-for-addr_unit.patch
mm-damon-core-remove-damos_set_next_apply_sis-duplicates.patch
mm-damon-core-use-time_before-for-next_apply_sis.patch
mm-damon-core-use-time_after_eq-in-kdamond_fn.patch
mm-damon-core-use-mult_frac.patch
mm-damon-tests-core-kunit-add-a-test-for-damon_is_last_region.patch
mm-damon-core-clarify-damon_set_attrs-usages.patch
mm-damon-document-non-zero-length-damon_region-assumption.patch
docs-admin-guide-mm-damn-lru_sort-fix-intervals-autotune-parameter-name.patch
docs-mm-damon-maintainer-profile-use-flexible-review-cadence.patch
docs-mm-damon-index-fix-typo-autoamted-automated.patch
mm-damon-core-introduce-damos_quota_goal_tuner.patch
mm-damon-core-allow-quota-goals-set-zero-effective-size-quota.patch
mm-damon-core-introduce-damos_quota_goal_tuner_temporal.patch
mm-damon-sysfs-schemes-implement-quotas-goal_tuner-file.patch
docs-mm-damon-design-document-the-goal-based-quota-tuner-selections.patch
docs-admin-guide-mm-damon-usage-document-goal_tuner-sysfs-file.patch
docs-abi-damon-update-for-goal_tuner.patch
mm-damon-tests-core-kunit-test-goal_tuner-commit.patch
selftests-damon-_damon_sysfs-support-goal_tuner-setup.patch
selftests-damon-drgn_dump_damon_status-support-quota-goal_tuner-dumping.patch
selftests-damon-sysfspy-test-goal_tuner-commit.patch
reply other threads:[~2026-03-10 18:01 UTC|newest]
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