[PATCH 5/8] selftests/damon/_damon_sysfs: implement kdamonds stop function

SeongJae Park
2024-06-25T18:05:47Z

Implement DAMON stop function on the test-purpose DAMON sysfs interface
wrapper Python module, _damon_sysfs.py. This feature will be used by
future DAMON tests that need to start/stop DAMON multiple times.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
tools/testing/selftests/damon/_damon_sysfs.py | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py
index f975742f29b3..17352b9d204d 100644
--- a/tools/testing/selftests/damon/_damon_sysfs.py
+++ b/tools/testing/selftests/damon/_damon_sysfs.py
@@ -406,6 +406,10 @@ class Kdamond:
err = write_file(os.path.join(self.sysfs_dir(), 'state'), 'on')
return err

+ def stop(self):
+ err = write_file(os.path.join(self.sysfs_dir(), 'state'), 'off')
+ return err
+
def update_schemes_tried_regions(self):
err = write_file(os.path.join(self.sysfs_dir(), 'state'),
'update_schemes_tried_regions')
@@ -511,3 +515,10 @@ class Kdamonds:
if err is not None:
return err
return None
+
+ def stop(self):
+ for kdamond in self.kdamonds:
+ err = kdamond.stop()
+ if err is not None:
+ return err
+ return None
--
2.39.2