From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DA71C433EF for ; Tue, 12 Oct 2021 20:57:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41F1A60F3A for ; Tue, 12 Oct 2021 20:57:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235349AbhJLU7f (ORCPT ); Tue, 12 Oct 2021 16:59:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:34256 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232246AbhJLU7c (ORCPT ); Tue, 12 Oct 2021 16:59:32 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DEA6160E90; Tue, 12 Oct 2021 20:57:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1634072250; bh=dIzGTs3S2h6xBXJp02bhYZBaLj6puUdqW2ci75lTKtk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j/U1Y17qQpNwwjr1HMIYe7G1DbWCJ9YwRkRRmsltZJBjEhUtnPbBbAObVtySV5wCD DhvZmq8yyqwDpb8vb6PYd4KbizkrQSfx5Gu/UaDOelpzevkHi1enqPZsxPWS5XvK6b Bobjfix9DYgn5v1axsBUTmZX6mb6PFw4LOKUuq4KT//ZrOxYok7y4f1m24zUZhU5oh k+fY9RpR8h5v0lDizkoPk0Hk5c7N2X5zRHEa/3R5oUrNuIps94jH+yo9IvzptcY9tL Ky9lGQ4TpvwaWw3qBas2dpRZ5pkkJripbf6cWXXvd7lTNWhLK/b8096F143mEKyZQN VTk7INaXTZy8Q== From: SeongJae Park To: akpm@linux-foundation.org Cc: SeongJae Park , Jonathan.Cameron@Huawei.com, amit@kernel.org, benh@kernel.crashing.org, corbet@lwn.net, david@redhat.com, dwmw@amazon.com, elver@google.com, foersleo@amazon.de, gthelen@google.com, markubo@amazon.de, rientjes@google.com, shakeelb@google.com, shuah@kernel.org, linux-damon@amazon.com, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/7] mm/damon/dbgfs-test: Add a unit test case for 'init_regions' Date: Tue, 12 Oct 2021 20:57:06 +0000 Message-Id: <20211012205711.29216-3-sj@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211012205711.29216-1-sj@kernel.org> References: <20211012205711.29216-1-sj@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org This commit adds another test case for the new feature, 'init_regions'. Signed-off-by: SeongJae Park Reviewed-by: Brendan Higgins --- mm/damon/dbgfs-test.h | 54 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/mm/damon/dbgfs-test.h b/mm/damon/dbgfs-test.h index 4eddcfa73996..104b22957616 100644 --- a/mm/damon/dbgfs-test.h +++ b/mm/damon/dbgfs-test.h @@ -109,9 +109,63 @@ static void damon_dbgfs_test_set_targets(struct kunit *test) dbgfs_destroy_ctx(ctx); } +static void damon_dbgfs_test_set_init_regions(struct kunit *test) +{ + struct damon_ctx *ctx = damon_new_ctx(); + unsigned long ids[] = {1, 2, 3}; + /* Each line represents one region in `` `` */ + char * const valid_inputs[] = {"2 10 20\n 2 20 30\n2 35 45", + "2 10 20\n", + "2 10 20\n1 39 59\n1 70 134\n 2 20 25\n", + ""}; + /* Reading the file again will show sorted, clean output */ + char * const valid_expects[] = {"2 10 20\n2 20 30\n2 35 45\n", + "2 10 20\n", + "1 39 59\n1 70 134\n2 10 20\n2 20 25\n", + ""}; + char * const invalid_inputs[] = {"4 10 20\n", /* target not exists */ + "2 10 20\n 2 14 26\n", /* regions overlap */ + "1 10 20\n2 30 40\n 1 5 8"}; /* not sorted by address */ + char *input, *expect; + int i, rc; + char buf[256]; + + damon_set_targets(ctx, ids, 3); + + /* Put valid inputs and check the results */ + for (i = 0; i < ARRAY_SIZE(valid_inputs); i++) { + input = valid_inputs[i]; + expect = valid_expects[i]; + + rc = set_init_regions(ctx, input, strnlen(input, 256)); + KUNIT_EXPECT_EQ(test, rc, 0); + + memset(buf, 0, 256); + sprint_init_regions(ctx, buf, 256); + + KUNIT_EXPECT_STREQ(test, (char *)buf, expect); + } + /* Put invlid inputs and check the return error code */ + for (i = 0; i < ARRAY_SIZE(invalid_inputs); i++) { + input = invalid_inputs[i]; + pr_info("input: %s\n", input); + rc = set_init_regions(ctx, input, strnlen(input, 256)); + KUNIT_EXPECT_EQ(test, rc, -EINVAL); + + memset(buf, 0, 256); + sprint_init_regions(ctx, buf, 256); + + KUNIT_EXPECT_STREQ(test, (char *)buf, ""); + } + + damon_set_targets(ctx, NULL, 0); + damon_destroy_ctx(ctx); +} + static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_dbgfs_test_str_to_target_ids), KUNIT_CASE(damon_dbgfs_test_set_targets), + KUNIT_CASE(damon_dbgfs_test_set_init_regions), {}, }; -- 2.17.1