diff mbox series

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

Message ID 20240625180538.73134-6-sj@kernel.org (mailing list archive)
State New
Headers show
Series selftests/damon: test DAMOS tried regions and {min,max}_nr_regions | expand

Commit Message

SeongJae Park June 25, 2024, 6:05 p.m. UTC 
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 mbox series

Patch

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