Commit badfa436 authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
Browse files

selftests/damon/_damon_sysfs: support obsolete_target file 

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.

Link: https://lkml.kernel.org/r/20251023012535.69625-7-sj@kernel.org


Signed-off-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Bijan Tabatabai <bijan311@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 9abe8d05

tools/testing/selftests/damon/_damon_sysfs.py

+9 −2
Original line number Diff line number Diff line
@@ -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