Commit 62b7b1ff authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
Browse files

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.

Link: https://lkml.kernel.org/r/20250720171652.92309-22-sj@kernel.org


Signed-off-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 16797a55

tools/testing/selftests/damon/sysfs.py

+53 −0
Original line number Diff line number Diff line
@@ -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__':