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selftests/damon/_damon_sysfs: support goal_tuner setup

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Add support of goal_tuner setup to the test-purpose DAMON sysfs interface
control helper, _damon_sysfs.py.

Link: https://lkml.kernel.org/r/20260310010529.91162-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2026-03-09 18:05:25 -07:00 committed by Andrew Morton
parent d972d68d50
commit c00863bc7c
1 changed files with 9 additions and 3 deletions
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12
tools/testing/selftests/damon/_damon_sysfs.py
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@ -130,15 +130,16 @@ class DamosQuota:
sz = None # size quota, in bytes
ms = None # time quota
goals = None # quota goals
goal_tuner = None # quota goal tuner
reset_interval_ms = None # quota reset interval
weight_sz_permil = None
weight_nr_accesses_permil = None
weight_age_permil = None
scheme = None # owner scheme
def __init__(self, sz=0, ms=0, goals=None, reset_interval_ms=0,
weight_sz_permil=0, weight_nr_accesses_permil=0,
weight_age_permil=0):
def __init__(self, sz=0, ms=0, goals=None, goal_tuner='consist',
reset_interval_ms=0, weight_sz_permil=0,
weight_nr_accesses_permil=0, weight_age_permil=0):
self.sz = sz
self.ms = ms
self.reset_interval_ms = reset_interval_ms
@ -146,6 +147,7 @@ class DamosQuota:
self.weight_nr_accesses_permil = weight_nr_accesses_permil
self.weight_age_permil = weight_age_permil
self.goals = goals if goals is not None else []
self.goal_tuner = goal_tuner
for idx, goal in enumerate(self.goals):
goal.idx = idx
goal.quota = self
@ -191,6 +193,10 @@ class DamosQuota:
err = goal.stage()
if err is not None:
return err
err = write_file(
os.path.join(self.sysfs_dir(), 'goal_tuner'), self.goal_tuner)
if err is not None:
return err
return None
class DamosWatermarks: