[RFC PATCH 5/6] selftests/damon/sysfs.py: extend commit assertion function for probes

From: SJ Park

Date: Wed Jul 29 2026 - 11:01:03 EST


Extend DAMON sysfs testing commit assertion helper function to check
probes too.

Signed-off-by: SJ Park <sj@xxxxxxxxxx>
---
tools/testing/selftests/damon/sysfs.py | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index 88a26422ff44c..159cbeac067f8 100755
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -178,6 +178,24 @@ def assert_monitoring_attrs_committed(attrs, dump):
assert_true(dump['max_nr_regions'] == attrs.max_nr_regions,
'max_nr_regions', dump)

+def assert_damon_filters_committed(filters, dump):
+ assert_true(len(dump) == len(filters.filters), 'probe filters', dump)
+ for idx, damon_filter in enumerate(filters.filters):
+ filter_dump = dump[idx]
+ assert_true(filter_dump['type'] == damon_filter.type_, 'type',
+ filter_dump)
+ assert_true(filter_dump['matching'] == damon_filter.matching,
+ 'matching', filter_dump)
+ assert_true(filter_dump['allow'] == damon_filter.allow, 'allow',
+ filter_dump)
+
+def assert_probes_committed(probes, dump):
+ assert_true(len(dump) == len(probes.probes), 'probes length', dump)
+ for idx, probe in enumerate(probes.probes):
+ probe_dump = dump[idx]
+ assert_true(probe.weight == probe_dump['weight'], 'weight', probe_dump)
+ assert_damon_filters_committed(probe.filters, probe_dump['filters'])
+
def assert_monitoring_target_committed(target, dump):
# target.pid is the pid "number", while dump['pid'] is 'struct pid'
# pointer, and hence cannot be compared.
@@ -196,6 +214,7 @@ def assert_ctx_committed(ctx, dump):
}
assert_true(dump['ops']['id'] == ops_val[ctx.ops], 'ops_id', dump)
assert_monitoring_attrs_committed(ctx.monitoring_attrs, dump['attrs'])
+ assert_probes_committed(ctx.monitoring_attrs.probes, dump['probes'])
assert_monitoring_targets_committed(ctx.targets, dump['adaptive_targets'])
assert_schemes_committed(ctx.schemes, dump['schemes'])
assert_true(dump['pause'] == ctx.pause, 'pause', dump)
--
2.47.3