A DAMON sysfs file, namely obsolete_target, has been newly introduced. Add a support of that file to _damon_sysfs.py so that DAMON selftests for the file can be easily written.
Signed-off-by: SeongJae Park sj@kernel.org --- tools/testing/selftests/damon/_damon_sysfs.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index a0e6290833fb..748778b563cd 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -475,12 +475,14 @@ class Damos:
class DamonTarget: pid = None + obsolete = None # todo: Support target regions if test is made idx = None context = None
- def __init__(self, pid): + def __init__(self, pid, obsolete=False): self.pid = pid + self.obsolete = obsolete
def sysfs_dir(self): return os.path.join( @@ -491,8 +493,13 @@ class DamonTarget: os.path.join(self.sysfs_dir(), 'regions', 'nr_regions'), '0') if err is not None: return err - return write_file( + err = write_file( os.path.join(self.sysfs_dir(), 'pid_target'), self.pid) + if err is not None: + return err + return write_file( + os.path.join(self.sysfs_dir(), 'obsolete_target'), + 'Y' if self.obsolete else 'N')
class IntervalsGoal: access_bp = None