The patch titled
Subject: mm/damon/core-test: add a unit test for damon_moving_sum()
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-core-test-add-a-unit-test-for-damon_moving_sum.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-core-test-add-a-unit-test-for-damon_moving_sum.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: SeongJae Park <sj@xxxxxxxxxx>
Subject: mm/damon/core-test: add a unit test for damon_moving_sum()
Date: Fri, 15 Sep 2023 02:52:47 +0000
Add a simple unit test for the pseudo moving-sum function
(damon_moving_sum()).
Link: https://lkml.kernel.org/r/20230915025251.72816-5-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/core-test.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
--- a/mm/damon/core-test.h~mm-damon-core-test-add-a-unit-test-for-damon_moving_sum
+++ a/mm/damon/core-test.h
@@ -341,6 +341,21 @@ static void damon_test_set_attrs(struct
KUNIT_EXPECT_EQ(test, damon_set_attrs(c, &invalid_attrs), -EINVAL);
}
+static void damon_test_moving_sum(struct kunit *test)
+{
+ unsigned int mvsum = 50000, nomvsum = 50000, len_window = 10;
+ unsigned int new_values[] = {10000, 0, 10000, 0, 0, 0, 10000, 0, 0, 0};
+ unsigned int expects[] = {55000, 50000, 55000, 50000, 45000, 40000,
+ 45000, 40000, 35000, 30000};
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(new_values); i++) {
+ mvsum = damon_moving_sum(mvsum, nomvsum, len_window,
+ new_values[i]);
+ KUNIT_EXPECT_EQ(test, mvsum, expects[i]);
+ }
+}
+
static void damos_test_new_filter(struct kunit *test)
{
struct damos_filter *filter;
@@ -425,6 +440,7 @@ static struct kunit_case damon_test_case
KUNIT_CASE(damon_test_set_regions),
KUNIT_CASE(damon_test_update_monitoring_result),
KUNIT_CASE(damon_test_set_attrs),
+ KUNIT_CASE(damon_test_moving_sum),
KUNIT_CASE(damos_test_new_filter),
KUNIT_CASE(damos_test_filter_out),
{},
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
docs-admin-guide-mm-damon-usage-fixup-missed-ref-keyword.patch
docs-admin-guide-mm-damon-usage-place-debugfs-usage-at-the-bottom.patch
docs-admin-guide-mm-damon-usage-move-debugfs-intro-to-the-bottom-of-the-section.patch
docs-mm-damon-design-explicitly-introduce-nr_accesses.patch
docs-admin-guide-mm-damon-usage-explain-the-format-of-damon_aggregate-tracepoint.patch
docs-mm-damon-design-add-a-section-for-kdamond-and-damon-context.patch
docs-admin-guide-mm-damon-usage-link-design-doc-for-details-of-kdamond-and-context.patch
mm-damon-core-fix-a-comment-about-damon_set_attrs-call-timings.patch
mm-damon-core-add-more-comments-for-nr_accesses.patch
mm-damon-core-remove-duplicated-comment-for-watermarks-based-deactivation.patch
mm-damon-core-remove-struct-target-parameter-from-damon_aggregated-tracepoint.patch
mm-damon-core-add-a-tracepoint-for-damos-apply-target-regions.patch
docs-admin-guide-mm-damon-usage-document-damos_before_apply-tracepoint.patch
mm-damon-core-use-number-of-passed-access-sampling-as-a-timer.patch
mm-damon-core-define-and-use-a-dedicated-function-for-region-access-rate-update.patch
mm-damon-vaddr-call-damon_update_region_access_rate-always.patch
mm-damon-core-implement-a-pseudo-moving-sum-function.patch
mm-damon-core-test-add-a-unit-test-for-damon_moving_sum.patch
mm-damon-core-introduce-nr_accesses_bp.patch
mm-damon-core-use-pseudo-moving-sum-for-nr_accesses_bp.patch
mm-damon-core-skip-updating-nr_accesses_bp-for-each-aggregation-interval.patch
mm-damon-core-mark-damon_moving_sum-as-a-static-function.patch
