Commit f6063604 authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
Browse files

selftests/damon/_damon_sysfs: implement kdamonds stop function 

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.

Link: https://lkml.kernel.org/r/20240625180538.73134-6-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 c9a3003a

tools/testing/selftests/damon/_damon_sysfs.py

+11 −0
Original line number Diff line number Diff line
@@ -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