From patchwork Fri Sep 9 07:51:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhao Gongyi X-Patchwork-Id: 12971203 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 5AC42C6FA8D for ; Fri, 9 Sep 2022 07:57:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231337AbiIIH5T (ORCPT ); Fri, 9 Sep 2022 03:57:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231289AbiIIH4y (ORCPT ); Fri, 9 Sep 2022 03:56:54 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8800410B567; Fri, 9 Sep 2022 00:55:38 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MP7Xh0fJvzHnfF; Fri, 9 Sep 2022 15:53:40 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 9 Sep 2022 15:55:36 +0800 From: Zhao Gongyi To: , , , CC: , , , , , Zhao Gongyi Subject: [PATCH -next 2/5] selftests/memory-hotplug: Use 'printf' instead of 'echo' Date: Fri, 9 Sep 2022 15:51:57 +0800 Message-ID: <20220909075200.198363-3-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220909075200.198363-1-zhaogongyi@huawei.com> References: <20220909075200.198363-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Fault injection uses debugfs in a way that the provided values via sysfs are interpreted as u64. Providing negative numbers results in errors: # sh mem-on-off-test.sh ... mem-on-off-test.sh: line 267: echo: write error: Invalid argument ... mem-on-off-test.sh: line 283: echo: write error: Invalid argument ... # Signed-off-by: Zhao Gongyi --- tools/testing/selftests/memory-hotplug/mem-on-off-test.sh | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) -- 2.17.1 diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh index 46a97f318f58..f1a9d81b934c 100755 --- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh +++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh @@ -264,7 +264,8 @@ done # # Test memory hot-add error handling (offline => online) # -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error +printf %#x $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/erro + for memory in `hotpluggable_offline_memory`; do online_memory_expect_fail $memory done @@ -280,7 +281,7 @@ done # # Test memory hot-remove error handling (online => offline) # -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error +printf %#x $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error for memory in `hotpluggable_online_memory`; do if [ $((RANDOM % 100)) -lt $ratio ]; then offline_memory_expect_fail $memory