From patchwork Wed Apr 17 02:20:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 13632808 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7AB546FBE for ; Wed, 17 Apr 2024 02:28:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713320938; cv=none; b=F3XP7ChDrTSNUfCsj9zcL5aLV1SXlSEgD81w+Jmjo4VToWAh0JOFiuUPQr1a3vlzLzjKxoRlCtCXnEoOGfQoER+YY2W1zBkpO3mV/RW1Mt86IInpwLJ96hKzfj/5D9O/uBwV72yxb4Fstq9HUiw3NC2MOreYiz7N4wYW+U86Yqw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713320938; c=relaxed/simple; bh=M/yDhWAvN868jyzyqCs8S/BdaNUmTOLOiP2hKqzU270=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fHHCBpbio4BIzKJvlRuqQ8F7ktPEh5sPL4Miq/qg2nfRyFPohtwP//6X+G8kOPdIm6DXUs9BLGtxdPTQK79iS8EKq966+kqIc05h62YCf8tFk6oE9CJjslpRhtEI2/maZWSxxofKDUctSeeBo/7E1iNUoZitQKxyFAPNL0jh7as= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4VK4bP4dbXz4f3mW2 for ; Wed, 17 Apr 2024 10:28:49 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.112]) by mail.maildlp.com (Postfix) with ESMTP id 465D91A058D for ; Wed, 17 Apr 2024 10:28:54 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP1 (Coremail) with SMTP id cCh0CgBHGBHiMx9mtJvAKA--.38748S9; Wed, 17 Apr 2024 10:28:54 +0800 (CST) From: Yu Kuai To: saranyamohan@google.com, tj@kernel.org, axboe@kernel.dk Cc: linux-block@vger.kernel.org, yukuai3@huawei.com, yukuai1@huaweicloud.com, yangerkun@huawei.com Subject: [PATCH v2 blktests 5/5] tests/throtl: add a new test 005 Date: Wed, 17 Apr 2024 10:20:05 +0800 Message-Id: <20240417022005.1410525-6-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240417022005.1410525-1-yukuai1@huaweicloud.com> References: <20240417022005.1410525-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgBHGBHiMx9mtJvAKA--.38748S9 X-Coremail-Antispam: 1UD129KBjvJXoW7tw13KryrJF48Wr4xtrWfAFb_yoW8XrW3pa y2ka1Fkw4xWFnrKr4fGa17WayrZr4kZr4UA3srWr13ZFyjq34UGFn2gw1IyrZayFnrZryx u3W0qFW8KF4UZa7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9C14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F 4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq 3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxGrw CFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE 14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2 IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxK x2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI 0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUQSdkUUUUU= X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ From: Yu Kuai Test change config while IO is throttled, regression test for: commit a880ae93e5b5 ("blk-throttle: fix io hung due to configuration updates") Signed-off-by: Yu Kuai --- tests/throtl/005 | 37 +++++++++++++++++++++++++++++++++++++ tests/throtl/005.out | 3 +++ 2 files changed, 40 insertions(+) create mode 100755 tests/throtl/005 create mode 100644 tests/throtl/005.out diff --git a/tests/throtl/005 b/tests/throtl/005 new file mode 100755 index 0000000..5ee5e7d --- /dev/null +++ b/tests/throtl/005 @@ -0,0 +1,37 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-3.0+ +# Copyright (C) 2024 Yu Kuai +# +# Test change config while IO is throttled, regression test for +# commit a880ae93e5b5 ("blk-throttle: fix io hung due to configuration updates") + +. tests/throtl/rc + +DESCRIPTION="change config with throttled IO" +QUICK=1 + +test() { + echo "Running ${TEST_NAME}" + + if ! _set_up_test nr_devices=1; then + return 1; + fi + + _set_limits wbps=$((512 * 1024)) + + { + sleep 0.1 + _issue_io write 1M 1 + } & + + pid=$! + echo "$pid" > $TEST_DIR/cgroup.procs + + sleep 1 + _set_limits wbps=$((256 * 1024)) + wait $pid + _remove_limits + + _clean_up_test + echo "Test complete" +} diff --git a/tests/throtl/005.out b/tests/throtl/005.out new file mode 100644 index 0000000..1d23210 --- /dev/null +++ b/tests/throtl/005.out @@ -0,0 +1,3 @@ +Running throtl/005 +3 +Test complete