selftests/damon/drgn_dump_damon_status: support failed region quota charge ratio

Extend drgn_dump_damon_status.py to dump DAMON internal state for DAMOS
action failed regions quota charge ratio, to be able to show if the
internal state for the feature is working, with future DAMON selftests.

Link: https://lore.kernel.org/20260428013402.115171-11-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/tools/testing/selftests/damon/drgn_dump_damon_status.py b/tools/testing/selftests/damon/drgn_dump_damon_status.py
index af99b07a4f5654012c2a3f1d863239dfdc5db0fc..b5c56233a92313f10eaa60e95810b5d8fe7b7ce7 100755 (executable)
--- a/tools/testing/selftests/damon/drgn_dump_damon_status.py
+++ b/tools/testing/selftests/damon/drgn_dump_damon_status.py
@@ -112,6 +112,8 @@ def damos_quota_to_dict(quota):
         ['goals', damos_quota_goals_to_list],
         ['goal_tuner', int],
         ['esz', int],
+        ['fail_charge_num', int],
+        ['fail_charge_denom', int],
         ['weight_sz', int],
         ['weight_nr_accesses', int],
         ['weight_age', int],