diff options
| author | SeongJae Park <sj@kernel.org> | 2023-01-19 01:38:31 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:26 -0800 |
| commit | f4c978b6594b7452ef22a2fcff376debafcf25eb (patch) | |
| tree | 8bf49d4e66b1a792e9cab3e703c67cca9d494b32 /mm/damon | |
| parent | 2f5bef5a590be4bf4111ee8f49d97a8613a3e980 (diff) | |
| download | linux-f4c978b6594b7452ef22a2fcff376debafcf25eb.tar.gz | |
mm/damon/core-test: add a test for damon_update_monitoring_results()
Add a simple unit test for damon_update_monitoring_results() function.
Link: https://lkml.kernel.org/r/20230119013831.1911-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon')
| -rw-r--r-- | mm/damon/core-test.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mm/damon/core-test.h b/mm/damon/core-test.h index 3db9b73687562..fae64d32b9257 100644 --- a/mm/damon/core-test.h +++ b/mm/damon/core-test.h @@ -289,6 +289,35 @@ static void damon_test_set_regions(struct kunit *test) damon_destroy_target(t); } +static void damon_test_update_monitoring_result(struct kunit *test) +{ + struct damon_attrs old_attrs = { + .sample_interval = 10, .aggr_interval = 1000,}; + struct damon_attrs new_attrs; + struct damon_region *r = damon_new_region(3, 7); + + r->nr_accesses = 15; + r->age = 20; + + new_attrs = (struct damon_attrs){ + .sample_interval = 100, .aggr_interval = 10000,}; + damon_update_monitoring_result(r, &old_attrs, &new_attrs); + KUNIT_EXPECT_EQ(test, r->nr_accesses, 15); + KUNIT_EXPECT_EQ(test, r->age, 2); + + new_attrs = (struct damon_attrs){ + .sample_interval = 1, .aggr_interval = 1000}; + damon_update_monitoring_result(r, &old_attrs, &new_attrs); + KUNIT_EXPECT_EQ(test, r->nr_accesses, 150); + KUNIT_EXPECT_EQ(test, r->age, 2); + + new_attrs = (struct damon_attrs){ + .sample_interval = 1, .aggr_interval = 100}; + damon_update_monitoring_result(r, &old_attrs, &new_attrs); + KUNIT_EXPECT_EQ(test, r->nr_accesses, 150); + KUNIT_EXPECT_EQ(test, r->age, 20); +} + static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_test_target), KUNIT_CASE(damon_test_regions), @@ -299,6 +328,7 @@ static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_test_split_regions_of), KUNIT_CASE(damon_test_ops_registration), KUNIT_CASE(damon_test_set_regions), + KUNIT_CASE(damon_test_update_monitoring_result), {}, }; |