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b=fKYKFRM1R/OCPGoBU0BaoGq5cV55Eouhc7kW5fvTzrjoeWnw8oGVfX+lv7uNM0mZx myBMSUGwVzIeXaC/JNHrEzKyxK4zU7SX7y9ZIY+Qnc+pl705brcx9LdRU7kuim0A+9 MKvsuXs/1j1DkoIEkuIUYjhgTVxQAhFmxTziyPxA374uAbpu8v+89AD5XP7zOrz+Hi z9OaJle3nahczWGdsxGqfpB84eqEvkXd3XCCKEQwzZu9fB8xWH4hRvMsK2FmYUa2Ne DDh1AQP6GTWFWRWXeUN/fDrC6VKMwoXjYLd2Lvd7ilJBNNkb9N6jZ4ka0mwSelx9a+ E/Ev/kw7oFB0Q== From: SJ Park To: Cc: SJ Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 4/6] selftests/damon/drgn_dump_damon_status: dump probes Date: Wed, 29 Jul 2026 07:47:35 -0700 Message-ID: <20260729144738.90895-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260729144738.90895-1-sj@kernel.org> References: <20260729144738.90895-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 12B3A2000C X-Rspam-User: X-Stat-Signature: abx5qtt7d39jdphgpfw19ow4xpkw3ict X-HE-Tag: 1785336464-135080 X-HE-Meta: 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 IHlymG0I ZIbitWktJkwDa5WLOWDGW7ooSbuw3SA4sQXx8r9qlk1T64fpdj4eadDT4AmzbVxqPaiXra8kFyQmIHYZZ2u1qCbiMz6kj45EkyZNZyOKyF5osjPYvdPkKqrUWV3R/r5Q+aZJKxp/ZvO+xDEgbIQhCOWzdpn1u4A5gaIdnjuiXEjy96nf30PC2pw3MTNYSCplGJQX1z6TLloOiVeZr+n9KBvU5qaT2REkIUs1FsQjkLL1/9nnWxjJRKUHH1YszJfgyoWDblC9eEL+oKaKm/iMnEF+VYw54sTf+krHo17Qh39lCh+TI/qrOk5Du3o//yanPr7NbwzwdtKDJdjJorgdWxhktYg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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. Signed-off-by: SJ Park --- .../selftests/damon/drgn_dump_damon_status.py | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tools/testing/selftests/damon/drgn_dump_damon_status.py b/tools/testing/selftests/damon/drgn_dump_damon_status.py index 09552e91bc782..4622046fd0118 100755 --- a/tools/testing/selftests/damon/drgn_dump_damon_status.py +++ b/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], -- 2.47.3