From nobody Sun Sep 14 20:38:30 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFFE4C678D6 for ; Thu, 19 Jan 2023 01:50:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229681AbjASBtq (ORCPT ); Wed, 18 Jan 2023 20:49:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229960AbjASBpl (ORCPT ); Wed, 18 Jan 2023 20:45:41 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4E286CCC2 for ; Wed, 18 Jan 2023 17:38:40 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7480561781 for ; Thu, 19 Jan 2023 01:38:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 640F5C43396; Thu, 19 Jan 2023 01:38:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674092319; bh=4x0hnDy4BX61lB/pbgUpUZC1nSP8lE0d4hLy0MishdY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kg1+ilbzWZybIQkILRS0j625AZhP7sNVWI2JBN+aHXZ2odIdbzI0kIXodhRrbj8ig ZMlQ4qeSzaSsYFpuRnzk1VeYWQRxyj3bxvcHY4BsmNvGwxGvezui3C/8oY8XHTfMr1 riwUIv17ty8xmzBgdHfrQcUrlhG/vmLian0Hf13hjJTOKFHuNoMjtcPWMyym5tVu2W Z2l+vaKdgROZU4t5MbhLxAXrs0ziF63YtDE1YtWY33j47VgUn7nJ579EToCzI5pPi+ ETtxqdK8+Gl28xqf7e28CIgB8kJEL99OCQ7yiOS28Z5gqgwE3vjfd2dFLeexDvyU9g HDsnVYKUsQkew== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , brendanhiggins@google.com, kunit-dev@googlegroups.com, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/3] mm/damon/core-test: add a test for damon_update_monitoring_results() Date: Thu, 19 Jan 2023 01:38:31 +0000 Message-Id: <20230119013831.1911-4-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230119013831.1911-1-sj@kernel.org> References: <20230119013831.1911-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add a simple unit test for damon_update_monitoring_results() function. Signed-off-by: SeongJae Park --- mm/damon/core-test.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/mm/damon/core-test.h b/mm/damon/core-test.h index 3db9b7368756..fae64d32b925 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); } =20 +static void damon_test_update_monitoring_result(struct kunit *test) +{ + struct damon_attrs old_attrs =3D { + .sample_interval =3D 10, .aggr_interval =3D 1000,}; + struct damon_attrs new_attrs; + struct damon_region *r =3D damon_new_region(3, 7); + + r->nr_accesses =3D 15; + r->age =3D 20; + + new_attrs =3D (struct damon_attrs){ + .sample_interval =3D 100, .aggr_interval =3D 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 =3D (struct damon_attrs){ + .sample_interval =3D 1, .aggr_interval =3D 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 =3D (struct damon_attrs){ + .sample_interval =3D 1, .aggr_interval =3D 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[] =3D { KUNIT_CASE(damon_test_target), KUNIT_CASE(damon_test_regions), @@ -299,6 +328,7 @@ static struct kunit_case damon_test_cases[] =3D { 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), {}, }; =20 --=20 2.25.1