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selftests/damon/sysfs.py: generalize DAMOS scheme commit assertion

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DAMOS scheme 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.

Link: https://lkml.kernel.org/r/20250720171652.92309-17-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
2025-07-26 15:08:20 -07:00
committed by Andrew Morton
parent bd0487a774
commit f22ff7b5a5
1 changed files with 37 additions and 22 deletions
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tools/testing/selftests/damon/sysfs.py
+37 -22
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@@ -80,6 +80,42 @@ def assert_migrate_dests_committed(dests, dump):
assert_true(dump['node_id_arr'][idx] == dest.id, 'node_id', dump)
assert_true(dump['weight_arr'][idx] == dest.weight, 'weight', dump)
def assert_access_pattern_committed(pattern, dump):
assert_true(dump['min_sz_region'] == pattern.size[0], 'min_sz_region',
dump)
assert_true(dump['max_sz_region'] == pattern.size[1], 'max_sz_region',
dump)
assert_true(dump['min_nr_accesses'] == pattern.nr_accesses[0],
'min_nr_accesses', dump)
assert_true(dump['max_nr_accesses'] == pattern.nr_accesses[1],
'max_nr_accesses', dump)
assert_true(dump['min_age_region'] == pattern.age[0], 'min_age_region',
dump)
assert_true(dump['max_age_region'] == pattern.age[1], 'miaxage_region',
dump)
def assert_scheme_committed(scheme, dump):
assert_access_pattern_committed(scheme.access_pattern, dump['pattern'])
action_val = {
'willneed': 0,
'cold': 1,
'pageout': 2,
'hugepage': 3,
'nohugeapge': 4,
'lru_prio': 5,
'lru_deprio': 6,
'migrate_hot': 7,
'migrate_cold': 8,
'stat': 9,
}
assert_true(dump['action'] == action_val[scheme.action], 'action', dump)
assert_true(dump['apply_interval_us'] == scheme. apply_interval_us,
'apply_interval_us', dump)
assert_true(dump['target_nid'] == scheme.target_nid, 'target_nid', dump)
assert_migrate_dests_committed(scheme.dests, dump['migrate_dests'])
assert_quota_committed(scheme.quota, dump['quota'])
assert_watermarks_committed(scheme.watermarks, dump['wmarks'])
def main():
kdamonds = _damon_sysfs.Kdamonds(
[_damon_sysfs.Kdamond(
@@ -127,28 +163,7 @@ def main():
if len(ctx['schemes']) != 1:
fail('number of schemes', status)
scheme = ctx['schemes'][0]
if scheme['pattern'] != {
'min_sz_region': 0,
'max_sz_region': 2**64 - 1,
'min_nr_accesses': 0,
'max_nr_accesses': 2**32 - 1,
'min_age_region': 0,
'max_age_region': 2**32 - 1,
}:
fail('damos pattern', status)
if scheme['action'] != 9: # stat
fail('damos action', status)
if scheme['apply_interval_us'] != 0:
fail('damos apply interval', status)
if scheme['target_nid'] != -1:
fail('damos target nid', status)
assert_migrate_dests_committed(_damon_sysfs.DamosDests(),
scheme['migrate_dests'])
assert_quota_committed(_damon_sysfs.DamosQuota(), scheme['quota'])
assert_watermarks_committed(_damon_sysfs.DamosWatermarks(),
scheme['wmarks'])
assert_scheme_committed(_damon_sysfs.Damos(), ctx['schemes'][0])
kdamonds.stop()