From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5A59C4A092A for ; Tue, 8 Sep 2026 23:10:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788909043; cv=none; b=kNhpad/N+udIVDMH8ap5fWz0cFccKdIho7VnyYdDARC0uE2t/iWyi8qpu2rvR1FcwkIlRq1ZbobZEVyr+3eDAHcn5oDLFumNlurWfdV12GTQcVkj4ZH9f336x7oLu1a7wnXRAdf4iIxnf1Qc8W/DV0BWjtobaBxJkVpdk+0/I18= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788909043; c=relaxed/simple; bh=HFVIvA4QmMaBU+P8CYkw935mnyAjM4EKcKgy+rmH7Ks=; h=Date:To:From:Subject:Message-Id; b=LWw+Sm+YB/v/wAO/2TLidGNqg4/zq0MklT8rtBWQ4YgCP5qqJcnHdoQxylq41gOASkHK36UX6eZWuWuUZXaM4HuiS5WMm+Tv069zoMVOIBlssc3gC1W6Oz/hGz3s+4jgLyWlslSHs0SBwkgfJeeeM+aJfEbsG7CjWd2bi4lJiDE= 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=hNGAtlgB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="hNGAtlgB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D42BC1F00A3D; Tue, 8 Sep 2026 23:10:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1788909041; bh=/o10BW8kKDFmbemyms1DVeKsYf6fPmaMlhMOOT1atB0=; h=Date:To:From:Subject; b=hNGAtlgBu3892V9UnlJp9T2xA4Gr8E7u/3tBkGF95fq/Y9BTfElphml53wNQQqkN0 4r0vqn9XnwjmJyAmQMStvwSAfP/TaPAwawE+vBFypwDoR8+0g+V/ArrGnqkuqBJ7Zi nVjpxoEi7tJnlj3h+NUtfRHwfHHqlsilgmmA8GXc= Date: Tue, 08 Sep 2026 16:10:41 -0700 To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + selftests-damon-drgn_dump_damon_status-dump-probes.patch added to mm-unstable branch Message-Id: <20260908231041.D42BC1F00A3D@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/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 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 various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: SJ Park 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 Cc: Brendan Higgins Cc: David Gow Cc: Shuah Khan Signed-off-by: Andrew Morton --- 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