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selftests/damon/sysfs.py: test non-default parameters runtime commit

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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.

Link: https://lkml.kernel.org/r/20250720171652.92309-22-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2025-07-20 10:16:51 -07:00 • committed by Andrew Morton
parent 16797a55aa
commit 62b7b1ffa2
1 changed files with 53 additions and 0 deletions
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53
tools/testing/selftests/damon/sysfs.py
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@ -199,6 +199,59 @@ 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__':