| From: SeongJae Park <sj@kernel.org> |
| Subject: selftests/damon/sysfs.py: test non-default parameters runtime commit |
| Date: Sun, 20 Jul 2025 10:16:51 -0700 |
| |
| 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> |
| --- |
| |
| tools/testing/selftests/damon/sysfs.py | 53 +++++++++++++++++++++++ |
| 1 file changed, 53 insertions(+) |
| |
| --- a/tools/testing/selftests/damon/sysfs.py~selftests-damon-sysfspy-test-non-default-parameters-runtime-commit |
| +++ a/tools/testing/selftests/damon/sysfs.py |
| @@ -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__': |
| _ |
