On Tue, 2 Jun 2026 15:12:17 +0200 Ruslan Valiyev <[email protected]> wrote:
> Writing a non-zero value to a kdamond's 'refresh_ms' sysfs file should > make DAMON periodically update the read-only sysfs files on its own, > without the user writing update keywords such as 'update_schemes_stats' > to the 'state' file. This behavior has no test coverage. > > Add a test that starts a kdamond with refresh_ms set and a 'stat' scheme > whose default access pattern matches every monitored region, then polls > the scheme's 'nr_tried' stats file directly, without requesting an > update. The value can become non-zero only via the periodic refresh, so > the test confirms refresh_ms works; with refresh_ms disabled the stat > stays zero and the test fails. Thank you for adding this nice test! > > Signed-off-by: Ruslan Valiyev <[email protected]> Reviewed-by: SeongJae Park <[email protected]> Thanks, SJ [...]

