From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) (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 762E010E9 for ; Sat, 14 Sep 2024 02:15:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.255 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726280154; cv=none; b=NmYFP9vu+52rrmEDNdcok4cBpyY/h5TQLEVG36bJhlYJQ/uV2AnfTE65VsotdjIMZR7UANG7Z+HNcbqBrYVSZabWCcBtAYrCYasflD6hVFnino842Zu1xP9TdA1hLXc4nNjr4inCtYRrS5sg7CPvdtxayPUKTs4APBhtv3aKQeo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726280154; c=relaxed/simple; bh=vuUUoejhfm66HVV/NQ+foywGWQ+O4eWCJYgHgnozVLs=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=LloDVrB5hyfZFLXXSvj/8dLlB08OvmC7S3gx6CXDBByL2pjK5AXD6C5XEMOScyD8Ph2S3+WtqYyAaTlbwaIde/gENoUJCalRh/jEmDxCAGEg0iBP3vTF0QLaUVWWt0j2uWtVl/lrb6XdURgpgDTyjWwMB3ehMKpL+i7l1SV7ybc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.255 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.105]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4X5F9p58tyz1RCRB; Sat, 14 Sep 2024 10:14:38 +0800 (CST) Received: from kwepemd500019.china.huawei.com (unknown [7.221.188.86]) by mail.maildlp.com (Postfix) with ESMTPS id C1D5B140137; Sat, 14 Sep 2024 10:15:48 +0800 (CST) Received: from [10.67.109.61] (10.67.109.61) by kwepemd500019.china.huawei.com (7.221.188.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 14 Sep 2024 10:15:48 +0800 Message-ID: <672a45a5-722f-af57-dad4-a285acb0e53a@huawei.com> Date: Sat, 14 Sep 2024 10:15:47 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: =?UTF-8?Q?Re=3a_=5bQuestion=5d_sched=ef=bc=9athe_load_is_unbalanced?= =?UTF-8?Q?_in_the_VM_overcommitment_scenario?= To: Waiman Long , , , , , , , , , , Frederic Weisbecker , , , , CC: References: <20240725120315.212428-1-zhengzucheng@huawei.com> <3e68ccda-1606-9494-f57a-75be9668b83d@huawei.com> <9982cb8d-9346-0640-dd9f-f68390f922e9@huawei.com> <3fd8aa75-ce1b-4d5a-aada-0b2cfbedb36c@redhat.com> From: zhengzucheng In-Reply-To: <3fd8aa75-ce1b-4d5a-aada-0b2cfbedb36c@redhat.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemd500019.china.huawei.com (7.221.188.86) 在 2024/9/14 1:17, Waiman Long 写道: > you don't actually need to use 2 different cpusets if they all get the > same set of CPUs and memory nodes Yes, you're right. The purpose of setting two different cpusets is to simulate the scenario of two VMs. each cpuset is a VM. For example, the VM configuration is as follows:   master   8   1