linux-kernel - [PATCH 21/22] selftests/damon/sysfs.py: test non-default parameters runtime commit

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Message-Id: <20250720171652.92309-22-sj@kernel.org>
Date: Sun, 20 Jul 2025 10:16:51 -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 21/22] selftests/damon/sysfs.py: test non-default parameters runtime commit

sysfs.py is testing only the default and minimum DAMON parameters.  Add
another test case for more non-default additional DAMON parameters
commitment on runtime.

Signed-off-by: SeongJae Park <sj@...nel.org>
---
 tools/testing/selftests/damon/sysfs.py | 53 ++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index 429865e5ac9c..b2cb178dda15 100755
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -194,6 +194,59 @@ def main():
 
     assert_ctxs_committed(kdamonds.kdamonds[0].contexts, status['contexts'])
 
+    context = _damon_sysfs.DamonCtx(
+            monitoring_attrs=_damon_sysfs.DamonAttrs(
+                sample_us=100000, aggr_us=2000000,
+                intervals_goal=_damon_sysfs.IntervalsGoal(
+                    access_bp=400, aggrs=3, min_sample_us=5000,
+                    max_sample_us=10000000),
+                update_us=2000000),
+            schemes=[_damon_sysfs.Damos(
+                action='pageout',
+                access_pattern=_damon_sysfs.DamosAccessPattern(
+                    size=[4096, 2**10],
+                    nr_accesses=[3, 317],
+                    age=[5,71]),
+                quota=_damon_sysfs.DamosQuota(
+                    sz=100*1024*1024, ms=100,
+                    goals=[_damon_sysfs.DamosQuotaGoal(
+                        metric='node_mem_used_bp',
+                        target_value=9950,
+                        nid=1)],
+                    reset_interval_ms=1500,
+                    weight_sz_permil=20,
+                    weight_nr_accesses_permil=200,
+                    weight_age_permil=1000),
+                watermarks=_damon_sysfs.DamosWatermarks(
+                    metric = 'free_mem_rate', interval = 500000, # 500 ms
+                    high = 500, mid = 400, low = 50),
+                target_nid=1,
+                apply_interval_us=1000000,
+                dests=_damon_sysfs.DamosDests(
+                    dests=[_damon_sysfs.DamosDest(id=1, weight=30),
+                           _damon_sysfs.DamosDest(id=0, weight=70)]),
+                core_filters=[
+                    _damon_sysfs.DamosFilter(type_='addr', matching=True,
+                                             allow=False, addr_start=42,
+                                             addr_end=4242),
+                    ],
+                ops_filters=[
+                    _damon_sysfs.DamosFilter(type_='anon', matching=True,
+                                             allow=True),
+                    ],
+                )])
+    context.idx = 0
+    context.kdamond = kdamonds.kdamonds[0]
+    kdamonds.kdamonds[0].contexts = [context]
+    kdamonds.kdamonds[0].commit()
+
+    status, err = dump_damon_status_dict(kdamonds.kdamonds[0].pid)
+    if err is not None:
+        print(err)
+        exit(1)
+
+    assert_ctxs_committed(kdamonds.kdamonds[0].contexts, status['contexts'])
+
     kdamonds.stop()
 
 if __name__ == '__main__':
-- 
2.39.5