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mm/damon/core-test: add a test for damon_update_monitoring_results()

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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>
This commit is contained in:
SeongJae Park 2023-01-19 01:38:31 +00:00 committed by Andrew Morton
parent 2f5bef5a59
commit f4c978b659
1 changed files with 30 additions and 0 deletions
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30
mm/damon/core-test.h
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@ -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),
{},
};