kernel/linux.git/tools/testing/selftests/damon, branch v6.18.22

selftests/damon/access_memory_even: remove unused header file

2025-09-13T23:55:02+00:00

Since the time.h header file is not actually needed in this code, we can safely remove its inclusion. Link: https://lkml.kernel.org/r/20250814125417.659937-1-lienze@kylinos.cn Signed-off-by: Enze Li Reviewed-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon: fix damon selftests by installing _common.sh

2025-09-13T23:54:59+00:00

_common.sh was recently introduced but is not installed and then triggers an error when trying to run the damon selftests: selftests: damon: sysfs.sh ./sysfs.sh: line 4: _common.sh: No such file or directory Install this file to avoid this error. Link: https://lkml.kernel.org/r/20250812-alex-fixes_manual-v1-1-c4e99b1f80e4@rivosinc.com Fixes: 511914506d19 ("selftests/damon: introduce _common.sh to host shared function") Signed-off-by: Alexandre Ghiti Tested-by: Sang-Heon Jeon Reviewed-by: SeongJae Park Tested-by: Enze Li Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon: test no-op commit broke DAMON status

2025-09-13T23:54:55+00:00

Add test to verify that DAMON status is not changed after a no-op commit. [ekffu200098@gmail.com: change wrong json.dump usage to json.dumps] Link: https://lkml.kernel.org/r/20250816014033.190451-1-ekffu200098@gmail.com Link: https://lkml.kernel.org/r/20250810124354.16456-1-ekffu200098@gmail.com Signed-off-by: Sang-Heon Jeon Reviewed-by: SeongJae Park Cc: Honggyu Kim Signed-off-by: Andrew Morton

selftests/damon: fix selftests by installing drgn related script

2025-08-19T23:35:55+00:00

drgn_dump_damon_status is not installed during kselftest setup. It can break other tests which depend on drgn_dump_damon_status. Install drgn_dump_damon_status files to fix broken test. Link: https://lkml.kernel.org/r/20250812140046.660486-1-ekffu200098@gmail.com Fixes: f3e8e1e51362 ("selftests/damon: add drgn script for extracting damon status") Signed-off-by: Sang-Heon Jeon Reviewed-by: SeongJae Park Cc: Alexandre Ghiti Cc: Honggyu Kim Signed-off-by: Andrew Morton

selftests/damon: introduce _common.sh to host shared function

2025-07-26T22:08:21+00:00

The current test scripts contain duplicated root permission checks in multiple locations. This patch consolidates these checks into _common.sh to eliminate code redundancy. Link: https://lkml.kernel.org/r/20250718064217.299300-1-lienze@kylinos.cn Signed-off-by: Enze Li Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton

selftests/damon/sysfs.py: test runtime reduction of DAMON parameters

2025-07-26T22:08:21+00:00

sysfs.py is testing if non-default additional parameters can be committed. Add a test case for further reducing the parameters to the default set. Link: https://lkml.kernel.org/r/20250720171652.92309-23-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon/sysfs.py: test non-default parameters runtime commit

2025-07-26T22:08:21+00:00

sysfs.py is testing only the default and minimum DAMON parameters. Add another test case for more non-default additional DAMON parameters commitment on runtime. Link: https://lkml.kernel.org/r/20250720171652.92309-22-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon/sysfs.py: generalize DAMON context commit assertion

2025-07-26T22:08:21+00:00

DAMON context commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-21-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon/sysfs.py: generalize monitoring attributes commit assertion

2025-07-26T22:08:20+00:00

DAMON monitoring attributes commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-20-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton

selftests/damon/sysfs.py: generalize DAMOS schemes commit assertion

2025-07-26T22:08:20+00:00

DAMOS schemes commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-19-sj@kernel.org Signed-off-by: SeongJae Park Cc: Shuah Khan Signed-off-by: Andrew Morton