+ selftests-damon-drgn_dump_damon_status-dump-probes.patch added to mm-unstable branch

+ selftests-damon-drgn_dump_damon_status-dump-probes.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: selftests/damon/drgn_dump_damon_status: dump probes
has been added to the -mm mm-unstable branch.  Its filename is
     selftests-damon-drgn_dump_damon_status-dump-probes.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-damon-drgn_dump_damon_status-dump-probes.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: SJ Park <sj@kernel.org>
Subject: selftests/damon/drgn_dump_damon_status: dump probes
Date: Wed, 2 Sep 2026 07:03:10 -0700

Extend drgn_dump_damon_status.py to dump damon_ctx->probes.  It will be
used to see if in-kernel DAMON status are changed as the user sets the
probes via sysfs.

Link: https://lore.kernel.org/20260902140313.85983-5-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@davidgow.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/damon/drgn_dump_damon_status.py |   32 ++++++++++
 1 file changed, 32 insertions(+)

--- a/tools/testing/selftests/damon/drgn_dump_damon_status.py~selftests-damon-drgn_dump_damon_status-dump-probes
+++ a/tools/testing/selftests/damon/drgn_dump_damon_status.py
@@ -48,6 +48,37 @@ def attrs_to_dict(attrs):
         ['max_nr_regions', int],
         ])
 
+def filter_to_dict(damon_filter):
+    filter_type_keyword = {
+            0: 'anon',
+            1: 'memcg',
+            }
+    dict_ = {
+            'type': filter_type_keyword[int(damon_filter.type)],
+            'matching': bool(damon_filter.matching),
+            'allow': bool(damon_filter.allow),
+            }
+    type_ = dict_['type']
+    if type_ == 'memcg':
+        dict_['memcg_id'] = int(damon_filter.memcg_id)
+    return dict_
+
+def filters_to_list(filters):
+    return [filter_to_dict(f)
+            for f in list_for_each_entry(
+                'struct damon_filter', filters.address_of_(), 'list')]
+
+def probe_to_dict(probe):
+    return to_dict(probe, [
+        ['weight', int],
+        ['filters', filters_to_list],
+        ])
+
+def probes_to_list(probes):
+    return [probe_to_dict(p)
+            for p in list_for_each_entry(
+                'struct damon_probe', probes.address_of_(), 'list')]
+
 def addr_range_to_dict(addr_range):
     return to_dict(addr_range, [
         ['start', int],
@@ -199,6 +230,7 @@ def damon_ctx_to_dict(ctx):
     return to_dict(ctx, [
         ['ops', ops_to_dict],
         ['attrs', attrs_to_dict],
+        ['probes', probes_to_list],
         ['adaptive_targets', targets_to_list],
         ['schemes', schemes_to_list],
         ['pause', bool],
_

Patches currently in -mm which might be from sj@kernel.org are

mm-damon-vaddr-avoid-hw-driven-pte-updates-during-damon_hugetlb_mkold.patch
mm-damon-core-skip-applying-scheme-if-region-split-for-quota-fails.patch
mm-damon-paddr-respect-folio-end-for-damos_stat.patch
mm-damon-paddr-respect-folio-end-for-damos-actions-except-stat.patch
mm-damon-vaddr-respect-folio-end-for-damos_stat.patch
mm-damon-vaddr-respect-folio-end-for-damos_migrate_hotcold.patch
mm-damon-core-handle-extreme-memory-state-in-damon_get_node_mem_bp.patch
mm-damon-core-handle-extreme-memory-state-in-get_node_memcg_used_bp.patch
mm-damon-core-handle-extreme-memory-state-in-get_in_active_mem_bp.patch
mm-damon-core-introduce-damon_filter_type_pgidle_unset.patch
mm-damon-paddr-support-pgidle_unset-probe-filter-type.patch
mm-damon-sysfs-support-pgidle_unset-probe-filter-type.patch
docs-mm-damon-design-document-pgidle_unset-probe-filter-type.patch
mm-damon-core-introduce-damon_prep-struct.patch
mm-damon-core-commit-preps.patch
mm-damon-core-introduce-damon_operations-prep_probes.patch
mm-damon-paddr-support-damon_prep.patch
mm-damon-sysfs-implement-preps-directory.patch
mm-damon-sysfs-implement-preps-nr_preps-file.patch
mm-damon-sysfs-create-directories-for-nr_preps-writes.patch
mm-damon-sysfs-implement-prep_action-file.patch
mm-damon-sysfs-pass-preps-to-damon-core.patch
selftests-damon-sysfssh-test-probe-prep-sysfs-files.patch
docs-mm-damon-design-document-probe-preps.patch
docs-admin-guide-mm-damon-usage-document-probe-preps-sysfs-files.patch
docs-abi-damon-document-probe-prep-sysfs-files.patch
mm-damon-tests-core-kunit-test-committing-psi-goal-to-psi-goal.patch
mm-damon-core-handle-uninitialized-damos_quota_goal-last_psi_total.patch
mm-damon-core-copy-nid-for-eligible_mem_bp-damos-quota-goal-commit.patch
mm-damon-sysfs-set-next-refresh-jiffies-per-sysfs-context.patch
mm-damon-tests-core-kunit-test-damon_commit_filter.patch
mm-damon-tests-core-kunit-add-damon_commit_probes-test.patch
selftests-damon-_damon_sysfs-implement-damonprobes.patch
selftests-damon-drgn_dump_damon_status-dump-probes.patch
selftests-damon-sysfspy-extend-commit-assertion-function-for-probes.patch
selftests-damon-sysfspy-test-damon-probes.patch
mm-damon-core-use-damon_nr_samples_per_aggr-for-max-merge-threshold.patch
mm-damon-core-remove-debug-messages.patch
mm-damon-core-remove-debug-messages-fix.patch
mm-damon-vaddr-remove-a-debug-message.patch
mm-damon-core-validate-number-of-probes-in-valid_probe_params.patch
mm-damon-sysfs-remove-probes-number-validation.patch
mm-damon-tests-core-kunit-extend-set_regions-test-for-error-case.patch
mm-damon-tests-core-kunit-test-=0-size-damon_set_regions-inputs.patch
mm-damon-tests-core-kunit-test-overlapping-ranges-for-set_regions.patch
mm-damon-tests-core-kunit-test-damon_nr_samples_per_aggr.patch
selftests-damon-sysfssh-test-hugepage_mem_bp-quota-goal.patch
docs-mm-damon-maintainer-profile-update-ai-review-for-sashiko-replies.patch
docs-abi-damon-recommend-subsystem-doc-instead-of-admin-guide.patch
mm-damon-core-error-damos_commit_quota_goal-for-zero-target_value.patch
revert-mm-damon-lru_sort-error-out-for-10000-active_mem_bp.patch
revert-samples-damon-mtier-error-out-for-zero-quota-goal-target-values.patch
mm-damon-core-handle-null-ctx-parameter-in-damon_call.patch
mm-damon-core-set-ctx-call_controls_obsolete-in-damon_new_ctx.patch
mm-damon-reclaim-remove-unnecessary-damon_call-param-validation.patch
mm-damon-lru_sort-remove-unnecessary-damon_call-param-validation.patch