linux-kernel - [PATCH 19/22] selftests/damon/sysfs.py: generalize monitoring attributes commit assertion

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Message-Id: <20250720171652.92309-20-sj@kernel.org>
Date: Sun, 20 Jul 2025 10:16:49 -0700
From: SeongJae Park <sj@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: SeongJae Park <sj@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH 19/22] selftests/damon/sysfs.py: generalize monitoring attributes commit assertion

DAMON monitoring attributes commitment assertion is hard-coded for a
specific test case.  Split it out into a general version that can be
reused for different test cases.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 tools/testing/selftests/damon/sysfs.py | 42 +++++++++++++++-----------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index 9e5c72804edf..ed4c3e9fc972 100755
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -137,6 +137,29 @@ def assert_schemes_committed(schemes, dump):
     for idx, scheme in enumerate(schemes):
         assert_scheme_committed(scheme, dump[idx])
 
+def assert_monitoring_attrs_committed(attrs, dump):
+    assert_true(dump['sample_interval'] == attrs.sample_us, 'sample_interval',
+                dump)
+    assert_true(dump['aggr_interval'] == attrs.aggr_us, 'aggr_interval', dump)
+    assert_true(dump['intervals_goal']['access_bp'] ==
+                attrs.intervals_goal.access_bp, 'access_bp',
+                dump['intervals_goal'])
+    assert_true(dump['intervals_goal']['aggrs'] == attrs.intervals_goal.aggrs,
+                'aggrs', dump['intervals_goal'])
+    assert_true(dump['intervals_goal']['min_sample_us'] ==
+                attrs.intervals_goal.min_sample_us, 'min_sample_us',
+                dump['intervals_goal'])
+    assert_true(dump['intervals_goal']['max_sample_us'] ==
+                attrs.intervals_goal.max_sample_us, 'max_sample_us',
+                dump['intervals_goal'])
+
+    assert_true(dump['ops_update_interval'] == attrs.update_us,
+                'ops_update_interval', dump)
+    assert_true(dump['min_nr_regions'] == attrs.min_nr_regions,
+                'min_nr_regions', dump)
+    assert_true(dump['max_nr_regions'] == attrs.max_nr_regions,
+                'max_nr_regions', dump)
+
 def main():
     kdamonds = _damon_sysfs.Kdamonds(
             [_damon_sysfs.Kdamond(
@@ -158,23 +181,8 @@ def main():
         fail('number of contexts', status)
 
     ctx = status['contexts'][0]
-    attrs = ctx['attrs']
-    if attrs['sample_interval'] != 5000:
-        fail('sample interval', status)
-    if attrs['aggr_interval'] != 100000:
-        fail('aggr interval', status)
-    if attrs['ops_update_interval'] != 1000000:
-        fail('ops updte interval', status)
-
-    if attrs['intervals_goal'] != {
-            'access_bp': 0, 'aggrs': 0,
-            'min_sample_us': 0, 'max_sample_us': 0}:
-        fail('intervals goal')
-
-    if attrs['min_nr_regions'] != 10:
-        fail('min_nr_regions')
-    if attrs['max_nr_regions'] != 1000:
-        fail('max_nr_regions')
+
+    assert_monitoring_attrs_committed(_damon_sysfs.DamonAttrs(), ctx['attrs'])
 
     if ctx['adaptive_targets'] != [
             { 'pid': 0, 'nr_regions': 0, 'regions_list': []}]:
-- 
2.39.5