Commit 299a88f6 authored by SeongJae Park's avatar SeongJae Park Committed by Andrew Morton
Browse files

mm/damon/tests/core-kunit: add damos_commit() test 

Add a new unit test for damos_commit().

Link: https://lkml.kernel.org/r/20251111184415.141757-11-sj@kernel.org


Signed-off-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent eec573b8

mm/damon/tests/core-kunit.h

+92 −0
Original line number Diff line number Diff line
@@ -873,6 +873,97 @@ static void damos_test_commit_filter(struct kunit *test) 
			});

}



static void damos_test_help_initailize_scheme(struct damos *scheme)

{

	INIT_LIST_HEAD(&scheme->quota.goals);

	INIT_LIST_HEAD(&scheme->filters);

	INIT_LIST_HEAD(&scheme->ops_filters);

}



static void damos_test_commit_for(struct kunit *test, struct damos *dst,

		struct damos *src)

{

	int err;



	damos_test_help_initailize_scheme(dst);

	damos_test_help_initailize_scheme(src);



	err = damos_commit(dst, src);

	if (err)

		kunit_skip(test, "damos_commit fail");



	KUNIT_EXPECT_EQ(test, dst->pattern.min_sz_region,

			src->pattern.min_sz_region);

	KUNIT_EXPECT_EQ(test, dst->pattern.max_sz_region,

			src->pattern.max_sz_region);

	KUNIT_EXPECT_EQ(test, dst->pattern.min_nr_accesses,

			src->pattern.min_nr_accesses);

	KUNIT_EXPECT_EQ(test, dst->pattern.max_nr_accesses,

			src->pattern.max_nr_accesses);

	KUNIT_EXPECT_EQ(test, dst->pattern.min_age_region,

			src->pattern.min_age_region);

	KUNIT_EXPECT_EQ(test, dst->pattern.max_age_region,

			src->pattern.max_age_region);



	KUNIT_EXPECT_EQ(test, dst->action, src->action);

	KUNIT_EXPECT_EQ(test, dst->apply_interval_us, src->apply_interval_us);



	KUNIT_EXPECT_EQ(test, dst->wmarks.metric, src->wmarks.metric);

	KUNIT_EXPECT_EQ(test, dst->wmarks.interval, src->wmarks.interval);

	KUNIT_EXPECT_EQ(test, dst->wmarks.high, src->wmarks.high);

	KUNIT_EXPECT_EQ(test, dst->wmarks.mid, src->wmarks.mid);

	KUNIT_EXPECT_EQ(test, dst->wmarks.low, src->wmarks.low);



	switch (src->action) {

	case DAMOS_MIGRATE_COLD:

	case DAMOS_MIGRATE_HOT:

		KUNIT_EXPECT_EQ(test, dst->target_nid, src->target_nid);

		break;

	default:

		break;

	}

}



static void damos_test_commit(struct kunit *test)

{

	damos_test_commit_for(test,

			&(struct damos){

				.pattern = (struct damos_access_pattern){

					1, 2, 3, 4, 5, 6},

				.action = DAMOS_PAGEOUT,

				.apply_interval_us = 1000000,

				.wmarks = (struct damos_watermarks){

					DAMOS_WMARK_FREE_MEM_RATE,

					900, 100, 50},

			},

			&(struct damos){

				.pattern = (struct damos_access_pattern){

					2, 3, 4, 5, 6, 7},

				.action = DAMOS_PAGEOUT,

				.apply_interval_us = 2000000,

				.wmarks = (struct damos_watermarks){

					DAMOS_WMARK_FREE_MEM_RATE,

					800, 50, 30},

			});

	damos_test_commit_for(test,

			&(struct damos){

				.pattern = (struct damos_access_pattern){

					1, 2, 3, 4, 5, 6},

				.action = DAMOS_PAGEOUT,

				.apply_interval_us = 1000000,

				.wmarks = (struct damos_watermarks){

					DAMOS_WMARK_FREE_MEM_RATE,

					900, 100, 50},

			},

			&(struct damos){

				.pattern = (struct damos_access_pattern){

					2, 3, 4, 5, 6, 7},

				.action = DAMOS_MIGRATE_HOT,

				.apply_interval_us = 2000000,

				.target_nid = 5,

			});

}



static void damos_test_filter_out(struct kunit *test)

{

	struct damon_target *t;
@@ -1078,6 +1169,7 @@ static struct kunit_case damon_test_cases[] = { 
	KUNIT_CASE(damos_test_commit_quota),

	KUNIT_CASE(damos_test_commit_dests),

	KUNIT_CASE(damos_test_commit_filter),

	KUNIT_CASE(damos_test_commit),

	KUNIT_CASE(damos_test_filter_out),

	KUNIT_CASE(damon_test_feed_loop_next_input),

	KUNIT_CASE(damon_test_set_filters_default_reject),