From patchwork Tue Oct 25 17:36:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 10910 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp1132454wru; Tue, 25 Oct 2022 10:38:51 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4OFx3q0S3sPPQqqdI4KzghZZ0rPrOf7oysvV/JclIL6klCXujvBIoTKBuYrA5R/IRQ1CVu X-Received: by 2002:a65:6bc4:0:b0:439:8ff8:e2e1 with SMTP id e4-20020a656bc4000000b004398ff8e2e1mr33919155pgw.91.1666719530705; Tue, 25 Oct 2022 10:38:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1666719530; cv=none; d=google.com; s=arc-20160816; b=tVUR3twBPySwGOSFMATiN14+h36+/nscMjTBzhwhvYzTjGmN8NdNcz+Eujv4pjUalt +EjOWwj8Hpzfe3uTXfgF9Pb7kfty3XHIhE5+hMGCiGVWQi81GAzLeXs7WUCaqqNMzI1z zfxlxQ+5P1CWZCYDLLlDS4a+cbsWGDEJQdqxzKrmacZIgYMUAFLQf/rV1+nKqsK5UrI0 ezpQNBKy2qQ+hjGLzCbANXXACS92a9Q0NroYkfkkMueRmEBNeKsoFsqa6YEOtCMZV/8R LmsXvTayqhGk+1eh8AHCFJVkELxYHx9MtZ1ac+TJ4QLcAHsFXIIv40gqUW7zSU6jR9fr 7JCQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=2wKGoxKdaq1OYo2G77Vhp+AG9/JOTHIXaym/ZbHlTDc=; b=mjErR3U7dJpzSzD2P0XDmAANrDbwoGLwtmxjCuhNsQVLAVtat+upeyE3q8P2JtkpPi R225LrKqtc8xnRiYzePPfplzPbjDaom3LL4b+tCw/ixlupDz9/yA6K5ZScFaGZBOvnWp 4y9a5UZHKgqOxjyFZ8JrrQTcK9XG4keux5HlLJWgl+bIcmz8HQn2dzOg90BPBs3OXCSn 12SXVDBBU9UTxbMIKqylVG4kiuwI7w0q97K/dbo162h9iTazePDjC7tAQE7LVG3HUyzg cUcXVcbadI+ioKACPmk4deE4MwcdoknGafWyzQIKg8VlFNu3FdJJ6eC+Iok+c8/P7b3r AKjg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=OkdC3Pae; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x3-20020a1709027c0300b00186a45f4e8asi3483836pll.274.2022.10.25.10.38.27; Tue, 25 Oct 2022 10:38:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=OkdC3Pae; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232041AbiJYRhS (ORCPT + 99 others); Tue, 25 Oct 2022 13:37:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231455AbiJYRg7 (ORCPT ); Tue, 25 Oct 2022 13:36:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D7C8101D2; Tue, 25 Oct 2022 10:36:58 -0700 (PDT) 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 2647161A94; Tue, 25 Oct 2022 17:36:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D997C433D6; Tue, 25 Oct 2022 17:36:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666719418; bh=zeB8cawVzfOV+gbJUOEQJ5p17R71STbXoreipmlZFTk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OkdC3Pae44Lo+tzDZU5ZqUGPIRcR8H7h0UL4JIPf3l/+1SJBAIwYIN5kpodxDhGCb K4isG0kLPGg82hLpEYWbjZTmiYeMI0X7N9G1AEs8ADtPwpvnYhxUW2YJaPP/R1w7fK wWaYIjpO1rxbPbYrSjPMKYsE3RdYeQCvRai7TzKwAQyHzn99okFHcdGOHs2eDE1ubT lFpWPXQsz+UUPb8FGDteoPbcjbnidXr8B+aDAgoL9NnPJAWHzJiqNl96M2WWDxQNyi /3K09Ik3vPGIfj+mqhw3T5J5bm0PU5jzMpx7Juh+ygmAJTK+xAHl0/a5NR3Ums0Ag6 6tsQRbsBPUA4Q== From: SeongJae Park To: Andrew Morton Cc: Shuah Khan , linux-kernel@vger.kernel.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, SeongJae Park Subject: [PATCH 4/4] selftests/damon: add tests for DAMON_LRU_SORT's enabled parameter Date: Tue, 25 Oct 2022 17:36:50 +0000 Message-Id: <20221025173650.90624-5-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221025173650.90624-1-sj@kernel.org> References: <20221025173650.90624-1-sj@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747682098927566029?= X-GMAIL-MSGID: =?utf-8?q?1747682098927566029?= Adds simple test cases for DAMON_LRU_SORT's 'enabled' parameter. Those tests are focusing on the synchronous behavior of DAMON_RECLAIM enabling and disabling. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/Makefile | 2 +- tools/testing/selftests/damon/lru_sort.sh | 41 +++++++++++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/damon/lru_sort.sh diff --git a/tools/testing/selftests/damon/Makefile b/tools/testing/selftests/damon/Makefile index dbbf18cb3e6b..af490acc5348 100644 --- a/tools/testing/selftests/damon/Makefile +++ b/tools/testing/selftests/damon/Makefile @@ -8,6 +8,6 @@ TEST_PROGS = debugfs_attrs.sh debugfs_schemes.sh debugfs_target_ids.sh TEST_PROGS += debugfs_empty_targets.sh debugfs_huge_count_read_write.sh TEST_PROGS += debugfs_duplicate_context_creation.sh TEST_PROGS += sysfs.sh -TEST_PROGS += reclaim.sh +TEST_PROGS += reclaim.sh lru_sort.sh include ../lib.mk diff --git a/tools/testing/selftests/damon/lru_sort.sh b/tools/testing/selftests/damon/lru_sort.sh new file mode 100755 index 000000000000..61b80197c896 --- /dev/null +++ b/tools/testing/selftests/damon/lru_sort.sh @@ -0,0 +1,41 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +if [ $EUID -ne 0 ] +then + echo "Run as root" + exit $ksft_skip +fi + +damon_lru_sort_enabled="/sys/module/damon_lru_sort/parameters/enabled" +if [ ! -f "$damon_lru_sort_enabled" ] +then + echo "No 'enabled' file. Maybe DAMON_LRU_SORT not built" + exit $ksft_skip +fi + +nr_kdamonds=$(pgrep kdamond | wc -l) +if [ "$nr_kdamonds" -ne 0 ] +then + echo "Another kdamond is running" + exit $ksft_skip +fi + +echo Y > "$damon_lru_sort_enabled" +nr_kdamonds=$(pgrep kdamond | wc -l) +if [ "$nr_kdamonds" -ne 1 ] +then + echo "kdamond is not turned on" + exit 1 +fi + +echo N > "$damon_lru_sort_enabled" +nr_kdamonds=$(pgrep kdamond | wc -l) +if [ "$nr_kdamonds" -ne 0 ] +then + echo "kdamond is not turned off" + exit 1 +fi